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-rw-r--r--core/bgdc/src/Makefile680
-rw-r--r--core/bgdc/src/Makefile.am26
-rw-r--r--core/bgdc/src/Makefile.in680
-rw-r--r--core/bgdc/src/bgdc.icobin0 -> 19230 bytes
-rw-r--r--core/bgdc/src/bgdc.rc118
-rw-r--r--core/bgdc/src/c_code.c4164
-rw-r--r--core/bgdc/src/c_data.c960
-rw-r--r--core/bgdc/src/c_debug.c84
-rw-r--r--core/bgdc/src/c_main.c1285
-rw-r--r--core/bgdc/src/codeblock.c426
-rw-r--r--core/bgdc/src/constants.c110
-rw-r--r--core/bgdc/src/dcbw.c1258
-rw-r--r--core/bgdc/src/error.c204
-rw-r--r--core/bgdc/src/identifier.c255
-rw-r--r--core/bgdc/src/main.c496
-rw-r--r--core/bgdc/src/main_core.c134
-rw-r--r--core/bgdc/src/procedure.c192
-rw-r--r--core/bgdc/src/resource.h16
-rw-r--r--core/bgdc/src/segment.c233
-rw-r--r--core/bgdc/src/strings.c241
-rw-r--r--core/bgdc/src/sysstub.c239
-rw-r--r--core/bgdc/src/token.c1424
-rw-r--r--core/bgdc/src/typedef.c242
-rw-r--r--core/bgdc/src/varspace.c256
24 files changed, 13723 insertions, 0 deletions
diff --git a/core/bgdc/src/Makefile b/core/bgdc/src/Makefile
new file mode 100644
index 0000000..35d93ab
--- /dev/null
+++ b/core/bgdc/src/Makefile
@@ -0,0 +1,680 @@
+# Makefile.in generated by automake 1.12.1 from Makefile.am.
+# bgdc/src/Makefile. Generated from Makefile.in by configure.
+
+# Copyright (C) 1994-2012 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+
+
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+ case $$am__flg in \
+ *=*|--*) ;; \
+ *n*) am__dry=yes; break;; \
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+ done;; \
+ esac; \
+ test $$am__dry = yes; \
+ }
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+NORMAL_UNINSTALL = :
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+host_triplet = arm-unknown-linux-gnu
+target_triplet = arm-unknown-linux-gnu
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+ $(top_srcdir)/configure.in
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+ $(ACLOCAL_M4)
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+CONFIG_CLEAN_VPATH_FILES =
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+ codeblock.c c_main.c c_data.c c_code.c c_debug.c dcbw.c \
+ error.c sysstub.c typedef.c ../../common/debug.c \
+ ../../common/b_crypt.c ../../common/files.c \
+ ../../common/xctype.c bgdc.rc
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+ codeblock.$(OBJEXT) c_main.$(OBJEXT) c_data.$(OBJEXT) \
+ c_code.$(OBJEXT) c_debug.$(OBJEXT) dcbw.$(OBJEXT) \
+ error.$(OBJEXT) sysstub.$(OBJEXT) typedef.$(OBJEXT) \
+ debug.$(OBJEXT) b_crypt.$(OBJEXT) files.$(OBJEXT) \
+ xctype.$(OBJEXT)
+am_bgdc_OBJECTS = $(am__objects_1)
+#am_bgdc_OBJECTS = $(am__objects_1) bgdc.$(OBJEXT)
+bgdc_OBJECTS = $(am_bgdc_OBJECTS)
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+ --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
+ $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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+ sysstub.c typedef.c \
+ ../../common/debug.c \
+ ../../common/b_crypt.c \
+ ../../common/files.c \
+ ../../common/xctype.c
+
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+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-binPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+ clean-generic clean-libtool cscopelist ctags distclean \
+ distclean-compile distclean-generic distclean-libtool \
+ distclean-tags distdir dvi dvi-am html html-am info info-am \
+ install install-am install-binPROGRAMS install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am uninstall-binPROGRAMS
+
+
+.rc.o:
+ $(WINDRES) $< -I../../include -o $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/core/bgdc/src/bgdc.ico b/core/bgdc/src/bgdc.ico
new file mode 100644
index 0000000..675a60f
--- /dev/null
+++ b/core/bgdc/src/bgdc.ico
Binary files differ
diff --git a/core/bgdc/src/bgdc.rc b/core/bgdc/src/bgdc.rc
new file mode 100644
index 0000000..5112bbb
--- /dev/null
+++ b/core/bgdc/src/bgdc.rc
@@ -0,0 +1,118 @@
+//Microsoft Developer Studio generated resource script.
+//
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "afxres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// Spanish (Modern) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ESN)
+#ifdef _WIN32
+LANGUAGE LANG_SPANISH, SUBLANG_SPANISH_MODERN
+#pragma code_page(1252)
+#endif //_WIN32
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_ICON1 ICON DISCARDABLE "bgdc.ico"
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE DISCARDABLE
+BEGIN
+ "resource.h\0"
+END
+
+2 TEXTINCLUDE DISCARDABLE
+BEGIN
+ "#include ""afxres.h""\r\n"
+ "\0"
+END
+
+3 TEXTINCLUDE DISCARDABLE
+BEGIN
+ "\r\n"
+ "\0"
+END
+
+#endif // APSTUDIO_INVOKED
+
+
+#ifndef _MAC
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION 1,0,0,1
+ PRODUCTVERSION 1,0,0,1
+ FILEFLAGSMASK 0x3fL
+#ifdef _DEBUG
+ FILEFLAGS 0x1L
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS 0x4L
+ FILETYPE 0x1L
+ FILESUBTYPE 0x0L
+BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+ BLOCK "0c0a04b0"
+ BEGIN
+ VALUE "Comments", "Distributed under GNU General Public License\0"
+ VALUE "CompanyName", "SplinterGU 2006-2009\0"
+ VALUE "FileDescription", "BGDC - Bennu Game Development Compiler\0"
+ VALUE "FileVersion", "1, 0, 0, 1\0"
+ VALUE "InternalName", "BGDC\0"
+ VALUE "LegalCopyright", "Copyright © 2006-2009 SplinterGU\0"
+ VALUE "LegalTrademarks", "Distributed under GNU General Public License\0"
+ VALUE "OriginalFilename", "BGDC.exe\0"
+ VALUE "PrivateBuild", "\0"
+ VALUE "ProductName", "Bennu Game Development Compiler\0"
+ VALUE "ProductVersion", "1, 0, 0, 1\0"
+ VALUE "SpecialBuild", "\0"
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+ VALUE "Translation", 0xc0a, 1200
+ END
+END
+
+#endif // !_MAC
+
+#endif // Spanish (Modern) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif // not APSTUDIO_INVOKED
+
diff --git a/core/bgdc/src/c_code.c b/core/bgdc/src/c_code.c
new file mode 100644
index 0000000..2e4ca1e
--- /dev/null
+++ b/core/bgdc/src/c_code.c
@@ -0,0 +1,4164 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+
+extern int autodeclare ;
+
+int reduce_arrays = 1;
+
+/* ---------------------------------------------------------------------- */
+/* Compilador de expresiones y sentencias. En este módulo están todas las */
+/* funciones de compilado que generan código efectivo. */
+/* ---------------------------------------------------------------------- */
+
+PROCDEF * proc ;
+CODEBLOCK * code ;
+
+/* Comprueba que los parámetros de una expresión binaria sean datos
+ * numéricos. Devuelve el tipo de operación(MN_FLOAT o MN_DWORD) */
+
+static int check_integer_type( expresion_result *exp )
+{
+ if ( typedef_is_pointer( exp->type ) || typedef_base( exp->type ) == TYPE_CHAR )
+ {
+/* codeblock_add(code, MN_POINTER2BOL, 0) ; */
+ exp->type = typedef_new( TYPE_DWORD ) ;
+ }
+
+ if ( typedef_is_integer( exp->type ) )
+ {
+ BASETYPE t = typedef_base( exp->type ) ;
+ switch (t)
+ {
+ case TYPE_SHORT :
+ case TYPE_WORD :
+ return MN_WORD ;
+
+ case TYPE_SBYTE :
+ case TYPE_BYTE :
+ return MN_BYTE ;
+
+ case TYPE_UNDEFINED :
+ case TYPE_INT :
+ case TYPE_DWORD :
+ case TYPE_CHAR :
+ case TYPE_FLOAT :
+ case TYPE_STRING :
+ case TYPE_ARRAY :
+ case TYPE_STRUCT :
+ case TYPE_POINTER :
+ break;
+ }
+ return MN_DWORD ;
+ }
+
+ compile_error( MSG_INTEGER_REQUIRED ) ;
+ return 0;
+}
+
+static int check_integer_types( expresion_result *left, expresion_result *right )
+{
+ if ( typedef_is_pointer( left->type ) || typedef_base( left->type ) == TYPE_CHAR )
+ {
+/* codeblock_add(code, MN_POINTER2BOL, 1) ; */
+ left->type = typedef_new( TYPE_DWORD ) ;
+ }
+
+ if ( typedef_is_pointer( right->type ) || typedef_base( right->type ) == TYPE_CHAR )
+ {
+/* codeblock_add(code, MN_POINTER2BOL, 0) ; */
+ right->type = typedef_new( TYPE_DWORD ) ;
+ }
+
+ if ( typedef_is_integer( left->type ) )
+ {
+ if ( typedef_is_integer( right->type ) )
+ {
+ if ( typedef_base( left->type ) == typedef_base( right->type ) )
+ {
+ BASETYPE t = typedef_base( left->type ) ;
+ switch (t)
+ {
+ case TYPE_SHORT :
+ case TYPE_WORD :
+ return MN_WORD ;
+
+ case TYPE_SBYTE :
+ case TYPE_BYTE :
+ return MN_BYTE ;
+
+ case TYPE_UNDEFINED :
+ case TYPE_INT :
+ case TYPE_DWORD :
+ case TYPE_CHAR :
+ case TYPE_FLOAT :
+ case TYPE_STRING :
+ case TYPE_ARRAY :
+ case TYPE_STRUCT :
+ case TYPE_POINTER :
+ break;
+ }
+ }
+ return MN_DWORD ;
+ }
+ }
+
+ compile_error( MSG_INTEGER_REQUIRED ) ;
+ return 0;
+}
+
+static int check_numeric_types( expresion_result *left, expresion_result *right )
+{
+ if ( typedef_base( left->type ) == TYPE_FLOAT )
+ {
+ if ( typedef_base( right->type ) == TYPE_FLOAT ) return MN_FLOAT ;
+
+ if ( typedef_is_integer( right->type ) )
+ {
+ codeblock_add( code, MN_INT2FLOAT | mntype( right->type, 0 ), 0 ) ;
+ right->fvalue = ( float )right->value ;
+ return MN_FLOAT ;
+ }
+ }
+
+ if ( typedef_is_integer( left->type ) || typedef_is_pointer( left->type ) )
+ {
+ if ( typedef_is_integer( right->type ) || typedef_is_pointer( right->type ) )
+ {
+ if ( typedef_base( left->type ) == typedef_base( right->type ) ) return mntype( left->type, 0 );
+ if ( typedef_base( left->type ) < typedef_base( right->type ) ) return mntype( left->type, 0 ) ;
+ return mntype( right->type, 0 ) ;
+ }
+
+ if ( typedef_base( right->type ) == TYPE_FLOAT )
+ {
+ codeblock_add( code, MN_INT2FLOAT, 1 ) ;
+ left->fvalue = ( float )left->value ;
+ return MN_FLOAT ;
+ }
+ }
+
+ if ( typedef_base( left->type ) == TYPE_CHAR )
+ {
+ if ( typedef_base( right->type ) == TYPE_STRING )
+ {
+ codeblock_add( code, MN_STR2CHR, 0 );
+ if ( right->constant == 1 ) right->value = ( unsigned char ) * ( string_get( right->value ) );
+ right->type = typedef_new( TYPE_CHAR );
+ return MN_BYTE;
+ }
+ if ( typedef_base( right->type ) == TYPE_CHAR || typedef_is_integer( right->type ) ) return MN_BYTE;
+ }
+
+ if ( typedef_base( right->type ) == TYPE_CHAR )
+ {
+ if ( typedef_base( left->type ) == TYPE_STRING )
+ {
+ codeblock_add( code, MN_STR2CHR, 1 );
+ if ( left->constant == 1 ) left->value = ( unsigned char ) * ( string_get( left->value ) );
+ left->type = typedef_new( TYPE_CHAR );
+ return MN_BYTE;
+ }
+ if ( typedef_base( left->type ) == TYPE_CHAR || typedef_is_integer( left->type ) ) return MN_BYTE;
+ }
+
+ compile_error( MSG_INCOMP_TYPES ) ;
+ return 0 ;
+}
+
+/* Comprueba que los parámetros de una expresión binaria sean cadenas
+ * o datos numéricos. Devuelve MN_STRING o el tipo de dato numérico */
+
+static int check_numeric_or_string_types( expresion_result * left, expresion_result * right )
+{
+ if ( typedef_is_array( left->type ) && left->type.chunk[1].type == TYPE_CHAR && typedef_is_string( right->type ) )
+ {
+ left->type = typedef_new( TYPE_STRING );
+ left->lvalue = 0;
+ codeblock_add( code, MN_A2STR, 1 ) ;
+ return MN_STRING;
+ }
+ if ( typedef_is_array( right->type ) && right->type.chunk[1].type == TYPE_CHAR && typedef_is_string( left->type ) )
+ {
+ right->type = typedef_new( TYPE_STRING );
+ right->lvalue = 0;
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ return MN_STRING;
+ }
+ if (
+ typedef_is_array( right->type ) && right->type.chunk[1].type == TYPE_CHAR &&
+ typedef_is_array( left->type ) && left->type.chunk[1].type == TYPE_CHAR )
+ {
+ left->type = typedef_new( TYPE_STRING );
+ right->type = typedef_new( TYPE_STRING );
+ left->lvalue = 0;
+ right->lvalue = 0;
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ codeblock_add( code, MN_A2STR, 1 ) ;
+ return MN_STRING;
+ }
+
+ if ( typedef_base( left->type ) == TYPE_CHAR && typedef_base( right->type ) == TYPE_STRING )
+ {
+ codeblock_add( code, MN_CHR2STR, 1 );
+ left->lvalue = 0;
+ left->type = typedef_new( TYPE_STRING );
+ return MN_STRING;
+ }
+
+ if ( typedef_base( right->type ) == TYPE_CHAR && typedef_base( left->type ) == TYPE_STRING )
+ {
+ codeblock_add( code, MN_CHR2STR, 0 );
+ right->lvalue = 0;
+ right->type = typedef_new( TYPE_STRING );
+ return MN_STRING;
+ }
+
+ if ( typedef_is_string( left->type ) && typedef_is_string( right->type ) ) return MN_STRING ;
+ if ( typedef_is_string( left->type ) || typedef_is_string( right->type ) ) compile_error( MSG_INCOMP_TYPES ) ;
+
+ return check_numeric_types( left, right ) ;
+}
+
+/* Devuelve el código que hay que adjuntar a un mnemónico para producir
+ * una variante del mismo, adecuada al tipo de dato concreto */
+
+int mntype( TYPEDEF type, int accept_structs )
+{
+ BASETYPE t ;
+
+ while ( typedef_is_array( type ) ) type = typedef_reduce( type ) ;
+
+ t = typedef_base( type ) ;
+ switch (t)
+ {
+ case TYPE_DWORD : return MN_DWORD | MN_UNSIGNED;
+ case TYPE_INT : return MN_DWORD;
+ case TYPE_WORD : return MN_WORD | MN_UNSIGNED;
+ case TYPE_SHORT : return MN_WORD ;
+ case TYPE_BYTE : return MN_BYTE | MN_UNSIGNED;
+ case TYPE_SBYTE : return MN_BYTE ;
+ case TYPE_CHAR : return MN_BYTE ;
+ case TYPE_FLOAT : return MN_FLOAT ;
+ case TYPE_STRING : return MN_STRING;
+ case TYPE_POINTER : return MN_DWORD ;
+ case TYPE_UNDEFINED :
+ case TYPE_ARRAY :
+ case TYPE_STRUCT :
+ break;
+ }
+
+ if ( t == TYPE_STRUCT && accept_structs ) return 0;
+
+ compile_error( MSG_INCOMP_TYPE ) ;
+ return 0;
+}
+
+/* Compila el acceso a una VARIABLE global, local, privada o publica */
+
+expresion_result compile_sublvalue( VARSPACE * from, int base_offset, VARSPACE * remote )
+{
+ VARIABLE * var = NULL ;
+ VARSPACE * here = from ;
+ VARSPACE * privars = ( proc ? proc->privars : NULL ) ;
+ VARSPACE * pubvars = ( proc ? proc->pubvars : NULL ) ;
+ expresion_result res, ind ;
+
+ if ( here ) token_next() ;
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_IDENTIFIER_EXP ) ;
+
+ if ( !here && !remote )
+ {
+ /* Splinter, se agrega localidad... */
+ if ( proc )
+ {
+ here = privars ;
+ var = varspace_search( here, token.code ) ;
+ if ( !var )
+ {
+ here = pubvars ;
+ var = varspace_search( here, token.code ) ;
+ }
+ }
+ if ( !var )
+ {
+ here = &local ;
+ var = varspace_search( here, token.code ) ;
+ }
+ if ( !var )
+ {
+ here = &global ;
+ var = varspace_search( here, token.code ) ;
+ }
+ }
+ else
+ {
+ if ( remote )
+ {
+ here = remote ;
+ var = varspace_search( here, token.code ) ;
+ }
+
+ if ( !var )
+ {
+ here = from;
+ var = varspace_search( here, token.code ) ;
+ }
+ }
+ if ( !var ) compile_error( MSG_UNKNOWN_IDENTIFIER ) ;
+
+ if ( var->offset - base_offset != 0 ||
+ here == &global ||
+ here == &local ||
+ ( privars && ( here == privars ) ) ||
+ ( pubvars && ( here == pubvars ) ) ||
+ ( remote && ( here == remote ) )
+ )
+ {
+ codeblock_add( code, (
+ ( remote && ( here == remote ) ) ? MN_REMOTE_PUBLIC :
+ here == &global ? MN_GLOBAL :
+ (( here == &local ) && ( here == from ) ) ? MN_REMOTE :
+ here == &local ? MN_LOCAL :
+ ( privars && ( here == privars ) ) ? MN_PRIVATE :
+ ( pubvars && ( here == pubvars ) ) ? MN_PUBLIC :
+ MN_INDEX
+ ) | mntype( var->type, 1 ), var->offset - base_offset ) ;
+
+
+ if (( pubvars && ( here == pubvars ) ) || ( remote && ( here == remote ) ) ) /* Tambien las locales remotas ? */
+ {
+ proc->flags |= PROC_USES_PUBLICS;
+ }
+
+ if ( here == &local )
+ {
+ proc->flags |= PROC_USES_LOCALS;
+ }
+ }
+
+ token_next() ;
+
+ res.type = var->type ;
+ res.lvalue = 1 ;
+ res.asignation = 0 ;
+ res.constant = 0 ;
+ res.call = 0 ;
+ res.value = 0 ;
+ res.count = 1 ;
+
+ /* Indexado vía [...] */
+
+ while ( token.type == IDENTIFIER && token.code == identifier_leftb ) /* "[" */
+ {
+ /* De estructuras o arrays */
+ if ( typedef_is_struct( res.type ) && typedef_count( res.type ) == 1 ) compile_error( MSG_NOT_AN_ARRAY ) ;
+
+ /* Cadenas y punteros se indexan en otro nivel */
+ if ( typedef_is_pointer( res.type ) || typedef_is_string( res.type ) ) break ;
+
+ if ( !typedef_is_struct( res.type ) && !typedef_is_array( res.type ) ) compile_error( MSG_NOT_AN_ARRAY ) ;
+
+ ind = compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ if ( ind.lvalue ) codeblock_add( code, MN_PTR | mntype( ind.type, 0 ), 0 ) ;
+
+ if ( ind.constant && ( ind.value < 0 || ind.value >= typedef_count( res.type ) ) ) compile_error( MSG_BOUND ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ; /* "]" */
+
+ if ( typedef_is_array( res.type ) )
+ {
+ res.type = typedef_reduce( res.type ) ;
+ codeblock_add( code, MN_ARRAY, typedef_size( res.type ) ) ;
+ }
+ else /* estructura */
+ {
+ codeblock_add( code, MN_ARRAY, typedef_size( res.type ) / typedef_count( res.type ) ) ;
+ }
+
+ token_next() ;
+ }
+
+ /* Un acceso a un array es un acceso a su primer elemento */
+/*
+ res.count = 1;
+ if ( reduce_arrays == 1 && typedef_is_array( res.type ) )
+ {
+ if ( res.type.chunk[1].type != TYPE_CHAR )
+ {
+ while ( typedef_is_array( res.type ) )
+ {
+ res.count *= ( typedef_count( res.type ) ? typedef_count( res.type ) : 1 );
+ res.type = typedef_reduce( res.type ) ;
+ }
+ }
+ }
+*/
+
+ token_back() ;
+
+ return res ;
+}
+
+/* Compila el tamaño de una VARIABLE o estructura local, global, privada o publica */
+
+#define MAX_EXPR_LEVEL 256
+
+int compile_sizeof( VARSPACE * here, int * content_size, char * content_type, int * parent_count )
+{
+ VARIABLE * var = NULL ;
+ expresion_result ind ;
+ int base = 0 ;
+ TYPEDEF type, * usertype ;
+ int _content_size = 0;
+ char * _content_type = NULL;
+ int _parent_count = 0;
+ int check_datatype = 0;
+ int tcode;
+ int index_pointer = 0;
+
+ if ( !content_size ) content_size = &_content_size;
+ if ( !content_type ) content_type = _content_type = (char *)calloc( MAX_EXPR_LEVEL, sizeof( int ) );
+ if ( !parent_count ) parent_count = &_parent_count;
+
+ /* Basics datatypes */
+
+ token_next() ;
+ if ( token.type != IDENTIFIER && ( token.code == identifier_unsigned || token.code == identifier_signed ) ) /* "UNSIGNED" or "SIGNED" */
+ {
+ check_datatype = 1;
+ token_next();
+ }
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INCOMP_TYPE ) ;
+
+ /* Base datatypes */
+
+ if ( token.code == identifier_dword ) base = 4 ;
+ else if ( token.code == identifier_int ) base = 4 ;
+ else if ( token.code == identifier_string ) base = 4 ;
+ else if ( token.code == identifier_float ) base = 4 ;
+ else if ( token.code == identifier_short ) base = 2 ;
+ else if ( token.code == identifier_word ) base = 2 ;
+ else if ( token.code == identifier_char ) base = 1 ;
+ else if ( token.code == identifier_byte ) base = 1 ;
+ else
+ {
+ usertype = typedef_by_name( token.code ) ;
+ if ( usertype ) base = typedef_size( *usertype ) ;
+ }
+
+ if ( base )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code != identifier_point )
+ {
+ token_back() ;
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && ( token.code == identifier_pointer || token.code == identifier_multiply ) ) /* "POINTER" */
+ {
+ base = 4 ;
+ continue ;
+ }
+ token_back() ;
+ break ;
+ }
+ return base ;
+ }
+ token_back() ;
+ }
+
+ if ( check_datatype ) compile_error( MSG_INVALID_TYPE ) ;
+
+ /* Expressions datatypes */
+
+ /* Count "*" or "[" */
+
+ while ( token.type == IDENTIFIER && ( token.code == identifier_multiply || token.code == identifier_leftb || token.code == identifier_leftp ) )
+ {
+ if ( *content_size == MAX_EXPR_LEVEL ) compile_error( MSG_TOO_COMPLEX );
+ if ( token.code == identifier_leftp )( *parent_count )++;
+ content_type[( *content_size )++] = token.code;
+ token_next() ;
+ }
+
+ if ( !here )
+ {
+ /* Splinter, se agrega localidad... */
+ here = proc->privars ;
+ var = varspace_search( here, token.code ) ;
+ if ( !var )
+ {
+ here = proc->pubvars ;
+ var = varspace_search( here, token.code ) ;
+ }
+ if ( !var )
+ {
+ here = &local ;
+ var = varspace_search( here, token.code ) ;
+ }
+ if ( !var )
+ {
+ here = &global ;
+ var = varspace_search( here, token.code ) ;
+ }
+ }
+ else
+ {
+ var = varspace_search( here, token.code ) ;
+ }
+
+ if ( !var ) compile_error( MSG_UNKNOWN_IDENTIFIER ) ;
+
+ type = var->type;
+
+ token_next() ;
+
+ /* Indexado de arrays */
+
+ while ( token.type == IDENTIFIER && token.code == identifier_leftb ) /* "[" */
+ {
+ CODEBLOCK_POS p = codeblock_pos( code );
+
+ /* Cadenas y punteros se indexan en otro nivel */
+ if ( typedef_is_pointer( type ) || typedef_is_string( type ) ) break ;
+
+ /* De estructuras o arrays */
+ if ( typedef_is_struct( type ) && typedef_count( type ) == 1 ) compile_error( MSG_NOT_AN_ARRAY ) ;
+
+ if ( !typedef_is_struct( type ) && !typedef_is_array( type ) ) compile_error( MSG_NOT_AN_ARRAY ) ;
+
+ ind = compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ if ( !ind.constant || ( ind.value < 0 || ind.value >= typedef_count( type ) ) ) compile_error( MSG_BOUND ) ;
+
+ codeblock_setpos( code, p );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ; /* "]" */
+
+ if ( typedef_is_array( type ) )
+ type = typedef_reduce( type ) ;
+ else
+ break ;
+
+ token_next() ;
+
+ }
+
+ if ( token.type == IDENTIFIER && token.code == identifier_leftb &&
+ ( typedef_is_pointer( type ) || typedef_is_string( type ) ) ) /* Indexado de punteros ptr[0] o cadenas */
+ {
+ /* Ningun array entra por aca */
+ CODEBLOCK_POS p = codeblock_pos( code );
+
+ ind = compile_subexpresion() ;
+ if ( !typedef_is_integer( ind.type ) ) compile_error( MSG_INTEGER_REQUIRED ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ; /* "]" */
+
+ codeblock_setpos( code, p );
+
+ if ( typedef_is_pointer( type ) )
+ {
+ type = typedef_reduce( type );
+ token_next();
+ index_pointer = 1;
+ }
+ else if ( typedef_is_string( type ) )
+ return 1; /* Indexado de cadenas */
+ }
+
+ /* Check for pointer by ']' or ')' */
+ while ( token.type == IDENTIFIER && ( token.code == identifier_rightb || token.code == identifier_rightp ) )
+ {
+ if ( token.code == identifier_rightp ) /* ')' */
+ {
+ if ( !*content_size || !*parent_count ) break;
+
+ while (( *content_size ) && content_type[( *content_size )-1] == identifier_multiply ) /* only '*', '[]' must be already process */
+ {
+ if ( !typedef_is_pointer( type ) ) compile_error( MSG_NOT_A_POINTER ) ;
+ type = typedef_reduce( type );
+ ( *content_size )--;
+ }
+
+ if ( content_type[--( *content_size )] != identifier_leftp ) compile_error( MSG_INVALID_EXP );
+ ( *parent_count )--;
+ token_next() ;
+ }
+ else
+ {
+ if ( !*content_size ) compile_error( MSG_EXTRA_CHAR );
+
+ while ( *content_size &&
+ (
+ ( tcode = content_type[( *content_size )-1] ) == identifier_leftb ||
+ tcode == identifier_multiply
+ )
+ )
+ {
+ /* '[' or '*' */
+ if ( !typedef_is_pointer( type ) ) compile_error( MSG_NOT_A_POINTER ) ;
+
+ type = typedef_reduce( type );
+ ( *content_size )--;
+ if ( tcode == identifier_leftb )
+ {
+ token_next() ;
+ break ;
+ }
+ }
+ }
+ }
+
+ if ( index_pointer && ( token.type != IDENTIFIER || token.code != identifier_point ) ) /* "." */
+ {
+ token_back();
+ return typedef_size( type ); /* Indexado de punteros ptr[0] */
+ }
+
+ if ( token.type == IDENTIFIER && token.code == identifier_point ) /* "." */
+ {
+ if ( typedef_is_pointer( type ) ) type = typedef_reduce( type ) ;
+ if ( !typedef_is_struct( type ) &&
+ typedef_base( type ) != TYPE_DWORD && typedef_base( type ) != TYPE_INT /* Soporte de process type para publicas */
+ )
+ compile_error( MSG_STRUCT_REQUIRED ) ;
+
+ if ( typedef_is_struct( type ) || typedef_is_pointer( type ) ||
+ typedef_base( type ) == TYPE_DWORD || typedef_base( type ) == TYPE_INT )
+ return compile_sizeof( typedef_members( type ), content_size, content_type, parent_count ) ;
+
+ return compile_sizeof( &local, content_size, content_type, parent_count ) ;
+ }
+
+ /* Process "*ptr|**ptr|***ptr|..." */
+ while (( *content_size )-- )
+ {
+ if ( content_type[*content_size] != identifier_multiply ) compile_error( MSG_INVALID_EXP );
+ if ( !typedef_is_pointer( type ) ) compile_error( MSG_NOT_A_POINTER ) ;
+ type = typedef_reduce( type );
+ }
+
+ if ( _content_type ) free( _content_type );
+
+ token_back() ;
+ return typedef_size( type ) ;
+
+}
+
+/* Static utility function for compile_bestproc */
+
+static void strdelchars( char * str, char * chars )
+{
+ while ( *str )
+ {
+ if ( strchr( chars, *str ) )
+ strcpy( str, str + 1 ) ;
+ else
+ str++ ;
+ }
+}
+
+/*
+ * FUNCTION : compile_bestproc
+ *
+ * Compile a system call, given a list of system functions
+ * with the same name
+ *
+ * PARAMS:
+ * procs List of system functions
+ *
+ * RETURN VALUE:
+ * Identifier code allocated for the function
+ */
+
+SYSPROC * compile_bestproc( SYSPROC ** procs )
+{
+ int n, proc_count = 0 ;
+ expresion_result res ;
+ int count = 0 ;
+ char validtypes[32] ;
+ char type = -1 ;
+ int min_params = 0 ;
+ const char * proc_name = procs[0]->name ;
+
+ int param_diff, params = 0;
+ CODEBLOCK_POS code_pos_code;
+ tok_pos token_save;
+
+ /* --------------------------------------------------- */
+
+ while ( procs[proc_count] ) proc_count++ ;
+
+ /* Get the minimum number of parameters */
+
+ for ( n = 0 ; n < proc_count ; n++ )
+ if ( procs[n]->params > min_params )
+ min_params = procs[n]->params ;
+
+ /* --------------------------------------------------- */
+
+ /* count function params */
+
+ code_pos_code = codeblock_pos( code );
+ token_save = token_pos();
+
+ params = 0;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_rightp ) /* ")" */
+ {
+ token_back() ;
+ break ;
+ }
+ token_back() ;
+
+ params++ ;
+
+ res = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_comma ) /* "," */
+ {
+ token_back() ;
+ break ;
+ }
+ }
+
+ codeblock_setpos(code, code_pos_code);
+ token_set_pos(token_save);
+
+ /* Eliminate any process that has not as many parameters */
+
+ param_diff = 0;
+ for ( n = 0 ; n < proc_count ; n++ )
+ {
+ char * p = procs[n]->paramtypes;
+
+ param_diff = 0;
+
+ while( ( *p ) ) if ( *(p++) == '+' ) param_diff++;
+
+ if ( procs[n]->params - param_diff != params )
+ {
+ memmove( &procs[n], &procs[n+1], sizeof( SYSPROC* ) *( proc_count - n ) ) ;
+ proc_count-- ;
+ n-- ;
+ }
+ }
+
+ count = 0;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_rightp ) /* ")" */
+ {
+ token_back() ;
+ break ;
+ }
+ token_back() ;
+
+ count++ ;
+
+ /* Eliminate any process that has not as many parameters */
+/*
+ for ( n = 0 ; n < proc_count ; n++ )
+ {
+ if ( procs[n]->params < count )
+ {
+ memmove( &procs[n], &procs[n+1], sizeof( SYSPROC* ) *( proc_count - n ) ) ;
+ proc_count-- ;
+ n-- ;
+ }
+ }
+*/
+ if ( proc_count == 0 ) compile_error( MSG_INCORRECT_PARAMC, proc_name, min_params ) ;
+
+ /* Find all the available types */
+
+ validtypes[0] = 0 ;
+ for ( n = 0 ; n < proc_count ; n++ )
+ {
+ if ( !strchr( validtypes, procs[n]->paramtypes[count-1] ) )
+ {
+ validtypes[strlen( validtypes )+1] = 0 ;
+ validtypes[strlen( validtypes )] = procs[n]->paramtypes[count-1];
+ }
+ }
+
+ if ( strlen( validtypes ) == 1 )
+ {
+ /* Same type for any function variant */
+
+ if ( validtypes[0] == 'V' )
+ {
+ /* Function will receive a varspace struct */
+ reduce_arrays = 0;
+ res = compile_expresion( 0, 1, 0, TYPE_UNDEFINED );
+ reduce_arrays = 1;
+ /*
+ while ( typedef_is_pointer( res.type ) )
+ {
+ codeblock_add( code, MN_PTR, 0 );
+ res.type = typedef_reduce( res.type );
+ }
+ */
+ if ( typedef_is_struct( res.type ) )
+ {
+ int size = res.type.varspace->count * sizeof( DCB_TYPEDEF );
+ int nvar;
+
+ segment_alloc( globaldata, size );
+ codeblock_add( code, MN_GLOBAL, globaldata->current ) ;
+ for ( nvar = 0 ; nvar < res.type.varspace->count ; nvar++ )
+ {
+ DCB_TYPEDEF type;
+ dcb_settype( &type, &res.type.varspace->vars[nvar].type );
+ memcpy(( uint8_t* )globaldata->bytes + globaldata->current, &type, sizeof( DCB_TYPEDEF ) );
+ globaldata->current += sizeof( DCB_TYPEDEF );
+ }
+ codeblock_add( code, MN_PUSH, res.type.varspace->count );
+ count += 2;
+ }
+ else
+ {
+ DCB_TYPEDEF type;
+ dcb_settype( &type, &res.type );
+ segment_alloc( globaldata, sizeof( TYPEDEF ) );
+ codeblock_add( code, MN_GLOBAL, globaldata->current ) ;
+ memcpy(( uint8_t* )globaldata->bytes + globaldata->current, &type, sizeof( DCB_TYPEDEF ) );
+ globaldata->current += sizeof( DCB_TYPEDEF );
+ codeblock_add( code, MN_PUSH, 1 );
+ count += 2;
+ }
+ }
+ else
+ {
+ switch ( validtypes[0] )
+ {
+ case 'I':
+ type = TYPE_DWORD ;
+ break ;
+ case 'B':
+ type = TYPE_BYTE ;
+ break ;
+ case 'W':
+ type = TYPE_WORD ;
+ break ;
+ case 'S':
+ type = TYPE_STRING ;
+ break ;
+ case 'P':
+ type = TYPE_POINTER ;
+ break ;
+ case 'F':
+ type = TYPE_FLOAT ;
+ break ;
+ default:
+ compile_error( MSG_INVALID_PARAMT ) ;
+ }
+
+ res = compile_expresion( 0, 0, 0, (BASETYPE)type ) ;
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+ }
+ }
+ else
+ {
+ /* Different types availables */
+
+ res = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+
+ /* Eliminate any incompatible data type, but allow some
+ * conversions if no exact match is available */
+
+ switch ( typedef_base( res.type ) )
+ {
+ case TYPE_DWORD:
+ case TYPE_SHORT:
+ case TYPE_BYTE:
+ case TYPE_SBYTE:
+ case TYPE_WORD:
+ case TYPE_INT:
+ strdelchars( validtypes, "SFP" ) ;
+ break ;
+ case TYPE_FLOAT:
+ if ( strchr( validtypes, 'F' ) )
+ strdelchars( validtypes, "SPIWB" ) ;
+ else
+ strdelchars( validtypes, "SP" ) ;
+ break ;
+ case TYPE_STRING:
+ if ( strchr( validtypes, 'S' ) )
+ strdelchars( validtypes, "FPIWB" ) ;
+ else
+ strdelchars( validtypes, "P" ) ;
+ break ;
+ case TYPE_POINTER:
+ strdelchars( validtypes, "SFIWB" ) ;
+ break ;
+ default:
+ break ;
+ }
+
+ if ( strlen( validtypes ) != 1 ) compile_error( MSG_INVALID_PARAMT ) ;
+
+ /* Eliminate all functions that are not selected */
+
+ for ( n = 0 ; n < proc_count ; n++ )
+ {
+ if ( procs[n]->paramtypes[count-1] != validtypes[0] )
+ {
+ memmove( &procs[n], &procs[n+1], sizeof( SYSPROC* ) *( proc_count - n ) ) ;
+ proc_count-- ;
+ n-- ;
+ }
+ }
+
+ if ( strlen( validtypes ) > 1 ) continue ;
+
+ /* Convert the result to the appropiate type, if needed */
+
+ switch ( validtypes[0] )
+ {
+ case 'I':
+ type = TYPE_DWORD ;
+ break ;
+ case 'B':
+ type = TYPE_BYTE ;
+ break ;
+ case 'W':
+ type = TYPE_WORD ;
+ break ;
+ case 'S':
+ type = TYPE_STRING ;
+ break ;
+ case 'P':
+ type = TYPE_POINTER ;
+ break ;
+ case 'F':
+ type = TYPE_FLOAT ;
+ break ;
+ default:
+ compile_error( MSG_INVALID_PARAMT ) ;
+ }
+ res = convert_result_type( res, (BASETYPE)type ) ;
+ }
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_comma ) /* "," */
+ {
+ token_back() ;
+ break ;
+ }
+ }
+
+ /* Eliminate any process that has too many parameters */
+
+ for ( n = 0 ; n < proc_count ; n++ )
+ {
+ if ( procs[n]->params != count )
+ {
+ memmove( &procs[n], &procs[n+1], sizeof( SYSPROC* ) *( proc_count - n ) ) ;
+ proc_count-- ;
+ n-- ;
+ }
+ }
+
+ if ( proc_count > 1 ) compile_error( MSG_MULTIPLE_PROCS_FOUND, proc_name );
+ if ( proc_count == 0 ) compile_error( MSG_INCORRECT_PARAMC, proc_name, min_params ) ;
+ codeblock_add( code, MN_SYSCALL, procs[0]->code ) ;
+
+ return procs[0] ;
+}
+
+/* Compila una lista de parámetros */
+
+int compile_paramlist( BASETYPE * types, const char * paramtypes )
+{
+ expresion_result res ;
+ int count = 0, type ;
+
+ for ( ;; )
+ {
+ type = types ? *types : TYPE_UNDEFINED ;
+ if ( paramtypes )
+ {
+ switch ( *paramtypes++ )
+ {
+ case 'I':
+ type = TYPE_DWORD ;
+ break ;
+ case 'B':
+ type = TYPE_BYTE ;
+ break ;
+ case 'W':
+ type = TYPE_WORD ;
+ break ;
+ case 'S':
+ type = TYPE_STRING ;
+ break ;
+ case 'P':
+ type = TYPE_POINTER ;
+ break ;
+ case 'F':
+ type = TYPE_FLOAT ;
+ break ;
+ default:
+ compile_error( MSG_INVALID_PARAMT ) ;
+ }
+ }
+
+ res = compile_expresion( 0, 0, 0, (BASETYPE)type ) ;
+
+ if ( types )
+ {
+ if ( *types == TYPE_UNDEFINED )
+ *types = typedef_base( res.type ) ;
+ types++ ;
+ }
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+ count++ ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_comma ) continue ; /* "," */
+ token_back() ;
+ break ;
+ }
+ return count ;
+}
+
+/*
+ * FUNCTION : compile_cast
+ *
+ * Compiles a cast operator(c-like type conversion:([type])value)
+ *
+ * PARAMS :
+ * None
+ *
+ * RETURN VALUE :
+ * Returns the expression result
+ *
+ */
+
+expresion_result compile_cast()
+{
+ TYPEDEF type;
+ BASETYPE basetype = TYPE_INT;
+ int tokens = 0;
+
+ int signed_prefix = 0;
+ int unsigned_prefix = 0;
+
+ expresion_result res;
+
+ token_next();
+
+ /* Check for signed/unsigned prefix */
+
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code == identifier_signed )
+ {
+ signed_prefix = 1;
+ tokens++;
+ token_next();
+ }
+ else if ( token.code == identifier_unsigned )
+ {
+ unsigned_prefix = 1;
+ tokens++;
+ token_next();
+ }
+ }
+
+ /* Create the data type definition */
+
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code == identifier_dword )
+ {
+ basetype = signed_prefix ? TYPE_INT : TYPE_DWORD;
+ signed_prefix = unsigned_prefix = 0;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_word )
+ {
+ basetype = signed_prefix ? TYPE_SHORT : TYPE_WORD;
+ signed_prefix = unsigned_prefix = 0;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_byte )
+ {
+ basetype = signed_prefix ? TYPE_SBYTE : TYPE_BYTE;
+ signed_prefix = unsigned_prefix = 0;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_int )
+ {
+ basetype = unsigned_prefix ? TYPE_DWORD : TYPE_INT;
+ signed_prefix = unsigned_prefix = 0;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_short )
+ {
+ basetype = unsigned_prefix ? TYPE_WORD : TYPE_SHORT;
+ signed_prefix = unsigned_prefix = 0;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_char )
+ {
+ basetype = TYPE_CHAR;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_float )
+ {
+ basetype = TYPE_FLOAT ;
+ tokens++;
+ token_next() ;
+ }
+ else if ( token.code == identifier_string )
+ {
+ basetype = TYPE_STRING ;
+ tokens++;
+ token_next() ;
+ }
+ }
+
+ /* Don't allow a signed/unsigned prefix in non-integer types */
+
+ if ( signed_prefix || unsigned_prefix ) compile_error( MSG_INVALID_TYPE );
+
+ /* If type is not a basic one: check for user-defined types */
+
+ if ( tokens == 0 )
+ {
+ TYPEDEF * typep = typedef_by_name( token.code );
+ if ( typep == NULL )
+ {
+/* type = typedef_new(TYPE_INT); */
+ compile_error( MSG_INVALID_TYPE );
+ }
+ type = *typep;
+ token_next();
+ }
+ else
+ type = typedef_new( basetype );
+
+ /* Check for pointers to defined types */
+
+ while ( token.type == IDENTIFIER && ( token.code == identifier_pointer || token.code == identifier_multiply ) ) /* "POINTER" or "*" */
+ {
+ type = typedef_pointer( type );
+/* tokens++; */
+ token_next() ;
+ }
+
+ /* Check for the right parent */
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ); /* ")" */
+
+ /* Do the cast */
+
+ res = compile_value();
+
+ if ( typedef_is_equal( res.type, type ) ) return res;
+
+ if ( typedef_is_pointer( type ) )
+ {
+ /* Conversion of pointer to pointer of another type */
+
+ if ( typedef_is_pointer( res.type ) || typedef_is_integer( res.type ) )
+ {
+ res.type = type;
+ return res;
+ }
+ else if ( typedef_is_float( res.type ) )
+ {
+ codeblock_add( code, MN_FLOAT2INT, 0 );
+ res.type = type;
+ return res;
+ }
+ compile_error( MSG_PTR_CONVERSION );
+ }
+ else if ( typedef_is_float( type ) )
+ {
+ /* Conversion of integer to float */
+
+ if ( typedef_is_integer( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_INT2FLOAT, 0 );
+ res.type = type;
+ }
+ else
+ compile_error( MSG_CONVERSION );
+ }
+ else if ( typedef_base( type ) == TYPE_CHAR )
+ {
+ if ( typedef_is_string( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, MN_PTR | MN_STRING, 0 );
+ res.lvalue = 0;
+ }
+ /*
+ codeblock_add(code, MN_STR2INT, 0);
+ res.type = typedef_new(TYPE_INT);
+ */
+ codeblock_add( code, MN_STR2CHR, 0 );
+ res.type = typedef_new( TYPE_CHAR );
+ }
+ else if ( typedef_is_array( res.type ) && res.type.chunk[1].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 );
+ codeblock_add( code, MN_STR2CHR, 0 );
+ res.type = typedef_new( TYPE_CHAR );
+ }
+ else
+ {
+ compile_error( MSG_CONVERSION );
+ }
+ }
+ else if ( typedef_is_integer( type ) )
+ {
+ /* Conversion of float, string or integer to integer */
+
+ if ( typedef_is_float( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, MN_PTR | MN_FLOAT, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_FLOAT2INT, 0 );
+ res.type = typedef_new( TYPE_INT );
+ }
+ else if ( typedef_is_string( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, MN_PTR | MN_STRING, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_STR2INT, 0 );
+ res.type = typedef_new( TYPE_INT );
+ }
+ else if ( typedef_is_array( res.type ) && res.type.chunk[1].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 );
+ codeblock_add( code, MN_STR2INT, 0 );
+ res.type = typedef_new( TYPE_INT );
+ }
+ else if ( typedef_is_integer( res.type ) || typedef_is_pointer( res.type ) || typedef_base( res.type ) == TYPE_CHAR )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 );
+ res.lvalue = 0;
+ }
+ }
+ else
+ {
+ compile_error( MSG_CONVERSION );
+ }
+
+ if ( type.chunk[0].type == TYPE_BYTE && typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2BYTE, 0 );
+ res.type = type;
+ }
+ else if ( type.chunk[0].type == TYPE_SBYTE && typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2BYTE, 0 );
+ res.type = type;
+ }
+ else if ( type.chunk[0].type == TYPE_WORD && typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2WORD, 0 );
+ res.type = type;
+ }
+ else if ( type.chunk[0].type == TYPE_SHORT && typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2WORD, 0 );
+ res.type = type;
+ }
+ }
+ else if ( typedef_is_string( type ) )
+ {
+ /* Conversión de puntero, float, entero o cadena de ancho fijo a cadena */
+
+ if ( typedef_is_array( res.type ) && res.type.chunk[1].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 );
+ res.type = typedef_new( TYPE_STRING );
+ }
+ else if ( typedef_is_pointer( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_A2STR, 0 );
+ res.type = typedef_new( TYPE_STRING );
+ }
+ else if ( res.type.chunk[0].type == TYPE_CHAR )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_CHR2STR, 0 );
+ res.type = typedef_new( TYPE_STRING );
+ }
+ else if ( typedef_is_integer( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_INT2STR | mntype( res.type, 0 ), 0 );
+ res.type = typedef_new( TYPE_STRING );
+ }
+ else if ( typedef_is_float( res.type ) )
+ {
+ if ( res.lvalue )
+ {
+ codeblock_add( code, MN_PTR, 0 );
+ res.lvalue = 0;
+ }
+ codeblock_add( code, MN_FLOAT2STR, 0 );
+ res.type = typedef_new( TYPE_STRING );
+ }
+ else
+ compile_error( MSG_CONVERSION );
+ }
+ else if ( typedef_is_struct( type ) )
+ {
+ res.type = type;
+ }
+ else
+ compile_error( MSG_CONVERSION );
+
+ return res;
+}
+
+/* Compila un valor (elemento más pequeño del lenguaje) */
+
+expresion_result compile_value()
+{
+ CONSTANT * c ;
+ SYSPROC * sysproc ;
+ PROCDEF * cproc ;
+ int param_count, id ;
+
+ expresion_result res ;
+
+ token_next() ;
+
+ /* ( ... ) */
+
+ if ( token.type == IDENTIFIER )
+ {
+
+ if ( token.code == identifier_leftp ) /* "(" */
+ {
+ /* Check for cast-type expressions */
+
+ token_next();
+ if ( token.type == IDENTIFIER && identifier_is_type( token.code ) )
+ {
+ token_back();
+ return compile_cast();
+ }
+ token_back();
+
+ res = compile_subexpresion() ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ) ; /* ")" */
+ return res ;
+ }
+
+ if ( token.code == identifier_type ) /* "TYPE" */
+ {
+ token_next( );
+ /* "TYPE mouse" */
+ if ( token.type == IDENTIFIER && token.code == identifier_mouse ) /* "MOUSE" - Hack */
+ {
+ codeblock_add( code, MN_PUSH, -1 ) ;
+ res.value = -1 ;
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.constant = 1 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.type = typedef_new( TYPE_INT ) ;
+ return res ;
+ }
+ if ( token.type != IDENTIFIER || token.code < reserved_words ) compile_error( MSG_PROCESS_NAME_EXP ) ;
+
+ codeblock_add( code, MN_TYPE, token.code ) ;
+ res.fvalue = 0.0 ;
+ res.value = 0 ;
+ res.lvalue = 0 ;
+ res.constant = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.type = typedef_new( TYPE_INT ) ;
+ return res ;
+ }
+
+ if ( token.code == identifier_offset || token.code == identifier_bandoffset ) /* "OFFSET" or "&" */
+ {
+ res = compile_factor() ; /* Para permitir &a.b */
+ if ( !res.lvalue ) compile_error( MSG_NOT_AN_LVALUE ) ;
+
+ res.lvalue = 0 ;
+ res.type = typedef_pointer( res.type ) ;
+ return res ;
+ }
+
+ if ( token.code == identifier_leftb ) /* "[" */ /* POINTER */
+ {
+ res = compile_subexpresion() ;
+ if ( !typedef_is_pointer( res.type ) ) compile_error( MSG_NOT_A_POINTER ) ;
+
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+
+ res.type = typedef_reduce( res.type ) ;
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ; /* "]" */
+
+ res.lvalue = 1 ;
+ return res ;
+ }
+
+ if ( token.code == identifier_multiply ) /* "*" */
+ {
+ res = compile_factor() ; /* Para aceptar *ptr++ */
+ if ( !typedef_is_pointer( res.type ) ) compile_error( MSG_NOT_A_POINTER ) ;
+
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+
+ res.type = typedef_reduce( res.type ) ;
+ res.lvalue = 1 ;
+ return res ;
+ }
+
+ /* SIZEOF */
+
+ if ( token.code == identifier_sizeof ) /* "SIZEOF" */
+ {
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) compile_error( MSG_EXPECTED, "(" ) ; /* "(" */
+
+ res.value = compile_sizeof( 0, NULL, NULL, NULL ) ;
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.constant = 1 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.type = typedef_new( TYPE_DWORD ) ;
+ codeblock_add( code, MN_PUSH, res.value ) ;
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ) ; /* ")" */
+
+ return res ;
+ }
+ }
+
+ switch ( token.type )
+ {
+ case NUMBER: /* Numbers */
+ codeblock_add( code, MN_PUSH, token.code ) ;
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.constant = 1 ;
+ res.call = 0 ;
+ res.value = token.code ;
+ res.type = typedef_new( TYPE_INT ) ;
+ return res ;
+
+ case FLOAT:
+ codeblock_add( code, MN_PUSH, *( int * )&token.value ) ;
+ res.value = 0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.constant = 1 ;
+ res.call = 0 ;
+ res.fvalue = token.value ;
+ res.type = typedef_new( TYPE_FLOAT ) ;
+ return res ;
+
+ case STRING: /* Strings */
+ codeblock_add( code, MN_PUSH | MN_STRING, token.code ) ;
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.constant = 1 ;
+ res.call = 0 ;
+ res.value = token.code ;
+ res.type = typedef_new( TYPE_STRING ) ;
+ return res ;
+
+ case IDENTIFIER: /* Constants */
+ c = constants_search( token.code ) ;
+ if ( c )
+ {
+ if ( typedef_is_string( c->type ) )
+ codeblock_add( code, MN_PUSH | MN_STRING, c->value ) ;
+ else
+ codeblock_add( code, MN_PUSH, c->value ) ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.constant = 1 ;
+ res.call = 0 ;
+ res.value = c->value ;
+ res.fvalue = *( float * ) & c->value;
+ res.type = c->type ;
+ return res ;
+ }
+ break;
+
+ default:
+ compile_error( MSG_UNKNOWN_IDENTIFIER ) ;
+ break;
+ }
+
+ /* Llamada a un procedimiento o función del sistema */
+
+ id = token.code ;
+
+ token_next() ;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_leftp ) /* "(" */
+ {
+ SYSPROC ** sysproc_list = sysproc_getall( id ) ;
+
+ if ( sysproc_list )
+ {
+ sysproc = compile_bestproc( sysproc_list );
+ free( sysproc_list );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ) ; /* ")" */
+
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.constant = 0 ;
+ res.call = 1 ;
+ res.value = 0 ;
+ res.type = typedef_new( sysproc->type ) ;
+ return res ;
+ }
+
+ /* Llama a un procedimiento del usuario */
+
+ cproc = procdef_search( id ) ;
+ if ( !cproc )
+ {
+ if ( autodeclare )
+ cproc = procdef_new( procdef_getid(), id ) ;
+ else
+ {
+ token_back() ;
+ compile_error( MSG_UNDEFINED_PROC ) ;
+ }
+ }
+
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ {
+ token_back() ;
+ param_count = compile_paramlist( cproc->paramtype, 0 ) ;
+ token_next() ;
+ }
+ else
+ {
+ param_count = 0 ;
+ }
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ) ; /* ")" */
+
+ if ( cproc->params == -1 )
+ {
+ cproc->params = param_count ;
+ }
+ else if ( cproc->params != param_count )
+ {
+ compile_error( MSG_INCORRECT_PARAMC, identifier_name( cproc->identifier ), cproc->params ) ;
+ }
+
+ codeblock_add( code, MN_CALL, id ) ;
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.constant = 0 ;
+ res.call = 1 ;
+ res.value = 0 ;
+ res.type = typedef_new( cproc->type ) ;
+ return res ;
+ }
+
+ token_back() ;
+
+ /* Valor asignable */
+
+ return compile_sublvalue( 0, 0, NULL ) ;
+
+}
+
+expresion_result compile_factor()
+{
+ expresion_result res, part ;
+
+ token_next() ;
+
+ res.value = 0 ;
+ res.fvalue = 0 ;
+ res.lvalue = 0 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.asignation = 0 ;
+
+ /* "+2" (Positivo) */
+ if ( token.type == IDENTIFIER && token.code == identifier_plus ) token_next() ; /* "+" */
+
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code == identifier_minus ) /* "-" */ /* "-2" (Negativo) */
+ {
+ part = compile_factor() ;
+ if ( part.lvalue ) codeblock_add( code, mntype( part.type, 0 ) | MN_PTR, 0 ) ;
+ codeblock_add( code, ( mntype( part.type, 0 ) == MN_FLOAT ? MN_FLOAT : 0 ) | MN_NEG, 0 ) ;
+ res.type = part.type ;
+ if ( typedef_is_numeric( part.type ) )
+ {
+ res.constant = part.constant ;
+ res.value = -part.value ;
+ res.fvalue = -part.fvalue ;
+ return res ;
+ }
+ compile_error( MSG_NUMBER_REQUIRED ) ;
+ }
+ else if ( token.code == identifier_not ) /* "NOT" or "!" */
+ {
+ part = compile_factor() ;
+ if ( part.lvalue ) codeblock_add( code, mntype( part.type, 0 ) | MN_PTR, 0 ) ;
+ if ( typedef_is_pointer( part.type ) )
+ {
+ /* codeblock_add (code, mntype(part.type, 0) | MN_POINTER2BOL, 0) ; */
+ part.type = typedef_new( TYPE_DWORD ) ;
+ }
+ codeblock_add( code, ( mntype( part.type, 0 ) == MN_FLOAT ? MN_FLOAT : 0 ) | MN_NOT, 0 ) ;
+ if ( typedef_is_numeric( part.type ) || typedef_is_pointer( part.type ) )
+ {
+ res.constant = part.constant ;
+ res.value = !part.value ;
+ res.fvalue = ( float )!part.fvalue ;
+ res.type = part.type ;
+ return res ;
+ }
+ compile_error( MSG_NUMBER_REQUIRED ) ;
+ return res ;
+ }
+ else if ( token.code == identifier_bnot ) /* "BNOT" or "~" */
+ {
+ part = compile_factor() ;
+ if ( part.lvalue ) codeblock_add( code, mntype( part.type, 0 ) | MN_PTR, 0 ) ;
+ if ( typedef_is_pointer( part.type ) )
+ {
+ /* codeblock_add (code, mntype(part.type, 0) | MN_POINTER2BOL, 0) ; */
+ part.type = typedef_new( TYPE_DWORD ) ;
+ }
+
+ if ( mntype( part.type, 0 ) == MN_FLOAT ) compile_error( MSG_INTEGER_REQUIRED );
+
+ codeblock_add( code, mntype( part.type, 0 ) | MN_BNOT, 0 ) ;
+ if ( typedef_is_numeric( part.type ) )
+ {
+ res.constant = part.constant ;
+ res.value = ~part.value ;
+ res.type = part.type /*typedef_new( TYPE_INT )*/ ;
+ return res ;
+ }
+ compile_error( MSG_NUMBER_REQUIRED ) ;
+ return res ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_plusplus ) /* "++" */
+ {
+ part = compile_factor() ;
+ if ( !part.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ if ( typedef_is_string( part.type ) ) compile_error( MSG_INCOMP_TYPE ) ;
+ if ( typedef_is_pointer( part.type ) )
+ codeblock_add( code, MN_INC, typedef_size( typedef_reduce( part.type ) ) ) ;
+ else
+ codeblock_add( code, mntype( part.type, 0 ) | MN_INC, 1 ) ;
+ res.asignation = 1 ;
+ res.lvalue = 1 ;
+ res.type = part.type ;
+ return res ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_minusminus ) /* "--" */
+ {
+ part = compile_factor() ;
+ if ( !part.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ if ( typedef_is_string( part.type ) ) compile_error( MSG_INCOMP_TYPE ) ;
+ if ( typedef_is_pointer( part.type ) )
+ codeblock_add( code, MN_DEC, typedef_size( typedef_reduce( part.type ) ) ) ;
+ else
+ codeblock_add( code, mntype( part.type, 0 ) | MN_DEC, 1 ) ;
+ res.asignation = 1 ;
+ res.lvalue = 1 ;
+ res.type = part.type ;
+ return res ;
+ }
+ }
+ token_back() ;
+
+ part = compile_value() ;
+
+ /* Sufijos (operadores ., [], etc) */
+
+ for ( ;; )
+ {
+ token_next() ;
+
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code == identifier_point ) /* "." */ /* Operador "." */
+ {
+ if ( typedef_is_array( part.type ) )
+ {
+ while ( typedef_is_array ( part.type = typedef_reduce( part.type ) ) ) ;
+ }
+
+ if ( typedef_is_pointer( part.type ) )
+ {
+ part.type = typedef_reduce( part.type ) ;
+ if ( !typedef_is_struct( part.type ) ) compile_error( MSG_STRUCT_REQUIRED ) ;
+ codeblock_add( code, MN_PTR, 0 ) ;
+ }
+
+ if ( typedef_is_struct( part.type ) )
+ {
+ VARSPACE * v = typedef_members( part.type ) ;
+ if ( !v->vars ) compile_error( MSG_STRUCT_REQUIRED ) ;
+
+ part = compile_sublvalue( v, v->vars[0].offset, NULL ) ;
+ }
+ else
+ {
+ VARSPACE * v = typedef_members( part.type ) ;
+ if ( typedef_base( part.type ) != TYPE_DWORD && typedef_base( part.type ) != TYPE_INT ) compile_error( MSG_INTEGER_REQUIRED ) ;
+ if ( part.lvalue ) codeblock_add( code, mntype( part.type, 0 ) | MN_PTR, 0 ) ;
+
+ part = compile_sublvalue( &local, 0, v ) ; /* referenciada REMOTA por proceso (Splinter) */
+ }
+ continue ;
+ }
+ else if ( token.code == identifier_plusplus ) /* Operador ++ posterior */
+ {
+ if ( !part.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ if ( typedef_is_string( part.type ) ) compile_error( MSG_INCOMP_TYPE ) ;
+ if ( typedef_is_pointer( part.type ) )
+ codeblock_add( code, MN_POSTINC, typedef_size( typedef_reduce( part.type ) ) ) ;
+ else
+ codeblock_add( code, mntype( part.type, 0 ) | MN_POSTINC, 1 ) ;
+ part.asignation = 1 ;
+ part.lvalue = 0 ;
+ continue ;
+ }
+ else if ( token.code == identifier_minusminus ) /* Operador -- posterior */
+ {
+ if ( !part.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ if ( typedef_is_string( part.type ) ) compile_error( MSG_INCOMP_TYPE ) ;
+ if ( typedef_is_pointer( part.type ) )
+ codeblock_add( code, MN_POSTDEC, typedef_size( typedef_reduce( part.type ) ) ) ;
+ else
+ codeblock_add( code, mntype( part.type, 0 ) | MN_POSTDEC, 1 ) ;
+ part.asignation = 1 ;
+ part.lvalue = 0 ;
+ continue ;
+ }
+ }
+
+ /* Indexado vía [...] */
+
+ if ( token.type == IDENTIFIER && token.code == identifier_leftb ) /* "[" */
+ {
+ if ( typedef_is_pointer( part.type ) ) /* De punteros */
+ {
+ if ( part.lvalue ) codeblock_add( code, mntype( part.type, 0 ) | MN_PTR, 0 ) ;
+ part.type = typedef_reduce( part.type ) ;
+
+ res = compile_subexpresion() ;
+ if ( !typedef_is_integer( res.type ) ) compile_error( MSG_INTEGER_REQUIRED ) ;
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+
+ codeblock_add( code, MN_ARRAY, typedef_size( part.type ) ) ;
+ part.lvalue = 1 ;
+
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ; /* "]" */
+ continue ;
+ }
+
+ if ( typedef_is_string( part.type ) ) /* De cadenas */
+ {
+ if ( part.lvalue ) codeblock_add( code, MN_STRING | MN_PTR, 0 ) ;
+
+ res = compile_subexpresion() ;
+ if ( !typedef_is_integer( res.type ) ) compile_error( MSG_INTEGER_REQUIRED ) ;
+ if ( res.lvalue ) codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+
+ codeblock_add( code, MN_STRI2CHR, 0 ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ; /* "]" */
+/* part.type = typedef_new( TYPE_STRING ) ; */
+ part.type = typedef_new( TYPE_CHAR ) ;
+ part.lvalue = 0 ;
+ }
+ continue ;
+ }
+
+ break ;
+ }
+
+ token_back() ;
+
+ return part ;
+}
+
+/* Paso 7 */
+expresion_result compile_operand()
+{
+ expresion_result left = compile_factor(), right, res ;
+ int op, t ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_multiply ) /* "*" */
+ {
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+
+ right = compile_factor();
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ t = check_numeric_types( &left, &right ) ;
+ codeblock_add( code, MN_MUL | t, 0 ) ;
+
+ res.constant = ( right.constant && left.constant ) ;
+
+ if ( t == MN_FLOAT )
+ {
+ res.value = 0 ;
+ res.fvalue = left.fvalue * right.fvalue ;
+ res.type = typedef_new( TYPE_FLOAT ) ;
+ }
+ else
+ {
+ res.fvalue = 0.0 ;
+ res.type = typedef_new( TYPE_INT ) ;
+ res.value = left.value * right.value ;
+ }
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+
+ left = res ;
+ continue ;
+ }
+ else if ( token.type == IDENTIFIER && ( token.code == identifier_divide || token.code == identifier_mod ) ) /* "/" or "%" */
+ {
+ op = token.code == identifier_mod ? MN_MOD : MN_DIV ;
+ if ( op == MN_MOD && typedef_base( left.type ) == TYPE_FLOAT ) compile_error( MSG_INTEGER_REQUIRED ) ;
+
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+
+ right = compile_factor();
+ if ( op == MN_MOD && typedef_base( right.type ) == TYPE_FLOAT ) compile_error( MSG_INTEGER_REQUIRED ) ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ t = check_numeric_types( &left, &right ) ;
+ codeblock_add( code, op | t, 0 ) ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = 0 ;
+ res.fvalue = 0.0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.type = typedef_new( t == MN_FLOAT ? TYPE_FLOAT : TYPE_INT ) ;
+
+ if ( res.constant )
+ {
+ if ( t == MN_FLOAT )
+ {
+ if ( op == MN_MOD ) compile_error( MSG_NUMBER_REQUIRED ) ;
+ res.fvalue = left.fvalue / right.fvalue ;
+ res.type = typedef_new( TYPE_FLOAT ) ;
+ res.value = 0 ;
+ }
+ else
+ {
+ if ( right.value == 0 ) compile_error( MSG_DIVIDE_BY_ZERO ) ;
+ res.value = op == MN_MOD ? left.value % right.value : left.value / right.value ;
+ res.type = typedef_new( TYPE_INT ) ;
+ res.fvalue = 0.0 ;
+ }
+ }
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break ;
+ }
+
+ return left ;
+}
+
+/* Paso 6 */
+expresion_result compile_operation()
+{
+ expresion_result left = compile_operand(), right, res ;
+ int op, t ;
+
+ for ( ;; )
+ {
+ token_next() ;
+
+ /* Suma(o resta) de un entero a un puntero */
+
+ if (
+ typedef_is_pointer( left.type ) && token.type == IDENTIFIER &&
+ ( token.code == identifier_plus || token.code == identifier_minus ) ) /* "+" o "-" */
+ {
+ TYPEDEF ptr_t = typedef_reduce( left.type ) ;
+
+ op = token.code == identifier_plus ? MN_ADD : MN_SUB ;
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+
+ right = compile_operand() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ if ( !typedef_is_integer( right.type ) && !typedef_is_pointer( right.type )) compile_error( MSG_INCOMP_TYPES ) ;
+
+ if ( typedef_size( ptr_t ) > 1 )
+ codeblock_add( code, MN_ARRAY, ( op == MN_ADD ? 1 : -1 ) * typedef_size( ptr_t ) ) ;
+ else
+ codeblock_add( code, op, 0 ) ;
+
+ res.value = 0 ;
+ res.fvalue = 0.0 ;
+ res.constant = 0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.type = left.type ;
+
+ left = res ;
+ continue ;
+ }
+
+ /* Suma de cadenas */
+
+ if ( typedef_is_array( left.type ) && left.lvalue &&
+ token.type == IDENTIFIER && token.code == identifier_plus && left.type.chunk[1].type == TYPE_CHAR ) /* "+" */
+ {
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ left.lvalue = 0 ;
+ left.type = typedef_new( TYPE_STRING ) ;
+ }
+
+ /* Suma/resta de valores numéricos */
+
+ if ( token.type == IDENTIFIER && ( token.code == identifier_plus || token.code == identifier_minus ) ) /* "+" or "-" */
+ {
+ op = token.code == identifier_plus ? MN_ADD : MN_SUB ;
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+ right = compile_operand() ;
+
+ /* Concatenación de cadenas */
+
+ if (( typedef_is_string( left.type ) || typedef_is_string( right.type ) ) && op == MN_ADD )
+ {
+ if ( typedef_is_array( right.type ) && right.lvalue && right.type.chunk[1].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ right.type = typedef_new( TYPE_STRING ) ;
+ right.lvalue = 0 ;
+ }
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ if ( typedef_is_integer( right.type ) )
+ codeblock_add( code, MN_INT2STR | mntype( right.type, 0 ), 0 ) ;
+ else if ( typedef_is_float( right.type ) )
+ codeblock_add( code, MN_FLOAT2STR, 0 ) ;
+ else if ( typedef_is_pointer( right.type ) )
+ codeblock_add( code, MN_POINTER2STR, 0 ) ;
+ else if ( typedef_base( right.type ) == TYPE_CHAR )
+ codeblock_add( code, MN_CHR2STR, 0 );
+ else if ( !typedef_is_string( right.type ) )
+ compile_error( MSG_INCOMP_TYPES ) ;
+
+ if ( typedef_is_integer( left.type ) )
+ codeblock_add( code, MN_INT2STR | mntype( left.type, 0 ), 1 ) ;
+ else if ( typedef_is_float( left.type ) )
+ codeblock_add( code, MN_FLOAT2STR, 1 ) ;
+ else if ( typedef_is_pointer( left.type ) )
+ codeblock_add( code, MN_POINTER2STR, 1 ) ;
+ else if ( typedef_base( left.type ) == TYPE_CHAR )
+ codeblock_add( code, MN_CHR2STR, 1 );
+ else if ( !typedef_is_string( left.type ) )
+ compile_error( MSG_INCOMP_TYPES ) ;
+
+ codeblock_add( code, MN_STRING | MN_ADD, 0 ) ;
+ res.fvalue = 0.0 ;
+ res.value = 0 ;
+ res.constant = 0 ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.type = typedef_new( TYPE_STRING ) ;
+
+ left = res ;
+ continue ;
+ }
+
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ t = check_numeric_types( &left, &right ) ;
+ if ( t != MN_FLOAT ) t = MN_DWORD ;
+
+ codeblock_add( code, op | t, 0 ) ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ if ( t == MN_FLOAT )
+ {
+ res.value = 0.0 ;
+ res.type = typedef_new( TYPE_FLOAT ) ;
+ res.fvalue = op == MN_ADD ? left.fvalue + right.fvalue : left.fvalue - right.fvalue ;
+ }
+ else
+ {
+ res.fvalue = 0.0 ;
+ res.type = left.type /*typedef_new( TYPE_INT )*/ ;
+ res.value = op == MN_ADD ? left.value + right.value : left.value - right.value ;
+ }
+
+ left = res ;
+ continue ;
+ }
+ token_back() ;
+ break ;
+ }
+
+ return left ;
+}
+
+/* Paso 5 */
+expresion_result compile_rotation()
+{
+ expresion_result left = compile_operation(), right, res ;
+ int op ;
+ BASETYPE t ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && ( token.code == identifier_ror || token.code == identifier_rol ) ) /* ">>" or "<<" */
+ {
+ op = token.code == identifier_ror ? MN_ROR : MN_ROL ;
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+
+ right = compile_operation() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ t = check_numeric_types( &left, &right ) ;
+ codeblock_add( code, op | mntype( left.type, 0 ), 0 ) ;
+
+ res.constant = ( right.constant && left.constant ) ;
+
+ if ( t == MN_FLOAT ) compile_error( MSG_INTEGER_REQUIRED ) ;
+
+ res.type = left.type /*typedef_new( TYPE_DWORD ) */;
+ res.value = ( op == MN_ROR ? ( left.value >> right.value ) : ( left.value << right.value ) ) ;
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+/* Paso 4 */
+expresion_result compile_comparison_1()
+{
+ expresion_result left = compile_rotation(), right, res ;
+ int op, t ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if (token.type == IDENTIFIER && (
+ token.code == identifier_gt || /* ">" */
+ token.code == identifier_lt || /* "<" */
+ token.code == identifier_gte || /* ">=" or "=>" */
+ token.code == identifier_lte ) ) /* "<=" or "=<" */
+ {
+ int is_unsigned = 0;
+
+ op = token.code ;
+ if ( left.lvalue && ( left.type.chunk[0].type != TYPE_ARRAY || left.type.chunk[1].type != TYPE_CHAR ) )
+ codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+
+ right = compile_rotation() ;
+ if ( right.lvalue && ( right.type.chunk[0].type != TYPE_ARRAY || right.type.chunk[1].type != TYPE_CHAR ) )
+ codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ t = check_numeric_or_string_types( &left, &right ) ;
+ if ( t != MN_FLOAT && t != MN_STRING ) t = MN_DWORD ;
+
+ if (
+ ( typedef_is_unsigned( left.type ) || typedef_is_unsigned( right.type ) ) &&
+ ( typedef_is_integer( left.type ) && typedef_is_integer( right.type ) )
+ )
+ is_unsigned = MN_UNSIGNED;
+
+ res.value = 0 ;
+ if ( op == identifier_gt ) /* ">" */
+ {
+ codeblock_add( code, t | MN_GT | is_unsigned, 0 ) ;
+ if ( left.constant && right.constant )
+ {
+ if ( t == MN_DWORD )
+ res.value = left.value > right.value;
+ else if ( t == MN_FLOAT )
+ res.value = ( left.fvalue > right.fvalue );
+ else
+ res.value = strcmp( string_get( left.value ), string_get( right.value ) ) > 0;
+ }
+ }
+ else if ( op == identifier_lt ) /* "<" */
+ {
+ codeblock_add( code, t | MN_LT | is_unsigned, 0 ) ;
+ if ( left.constant && right.constant )
+ {
+ if ( t == MN_DWORD )
+ res.value = left.value < right.value;
+ else if ( t == MN_FLOAT )
+ res.value = ( left.fvalue < right.fvalue );
+ else
+ res.value = strcmp( string_get( left.value ), string_get( right.value ) ) < 0;
+ }
+ }
+ else if ( op == identifier_gte ) /* ">=" or "=>" */
+ {
+ codeblock_add( code, t | MN_GTE | is_unsigned, 0 ) ;
+ if ( left.constant && right.constant )
+ {
+ if ( t == MN_DWORD )
+ res.value = left.value >= right.value;
+ else if ( t == MN_FLOAT )
+ res.value = ( left.fvalue >= right.fvalue );
+ else
+ res.value = strcmp( string_get( left.value ), string_get( right.value ) ) >= 0;
+ }
+ }
+ else if ( op == identifier_lte ) /* "<=" or "=<" */
+ {
+ codeblock_add( code, t | MN_LTE | is_unsigned, 0 ) ;
+ if ( left.constant && right.constant )
+ {
+ if ( t == MN_DWORD )
+ res.value = left.value <= right.value;
+ else if ( t == MN_FLOAT )
+ res.value = ( left.fvalue <= right.fvalue );
+ else
+ res.value = strcmp( string_get( left.value ), string_get( right.value ) ) <= 0;
+ }
+ }
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.type = typedef_new( TYPE_INT ) ;
+ left = res;
+ continue;
+ }
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+expresion_result compile_comparison_2()
+{
+ expresion_result left = compile_comparison_1(), right, res ;
+ int op, t ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && ( token.code == identifier_eq || /* "==" */
+ token.code == identifier_ne ) ) /* "!=" or "<>" */
+ {
+ int is_unsigned = 0;
+
+ op = token.code ;
+ if ( left.lvalue && ( left.type.chunk[0].type != TYPE_ARRAY || left.type.chunk[1].type != TYPE_CHAR ) )
+ codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+
+ right = compile_comparison_1();
+ if ( right.lvalue && ( right.type.chunk[0].type != TYPE_ARRAY || right.type.chunk[1].type != TYPE_CHAR ) )
+ codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ t = check_numeric_or_string_types( &left, &right ) ;
+ if ( t != MN_FLOAT && t != MN_STRING ) t = MN_DWORD ;
+
+ if ( typedef_is_unsigned( left.type ) && typedef_is_unsigned( right.type ) ) is_unsigned = MN_UNSIGNED;
+
+ res.value = 0 ;
+
+ if ( op == identifier_eq ) /* "==" */
+ {
+ codeblock_add( code, t | MN_EQ, 0 ) ;
+ if ( left.constant && right.constant )
+ {
+ if ( t == MN_DWORD )
+ res.value = left.value == right.value;
+ else if ( t == MN_FLOAT )
+ res.value = ( left.fvalue == right.fvalue );
+ else
+ res.value = strcmp( string_get( left.value ), string_get( right.value ) ) == 0;
+ }
+ }
+ else if ( op == identifier_ne ) /* "!=" or "<>" */
+ {
+ codeblock_add( code, t | MN_NE, 0 ) ;
+ if ( left.constant && right.constant )
+ {
+ if ( t == MN_DWORD )
+ res.value = left.value != right.value;
+ else if ( t == MN_FLOAT )
+ res.value = ( left.fvalue != right.fvalue );
+ else
+ res.value = strcmp( string_get( left.value ), string_get( right.value ) ) != 0;
+ }
+ }
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.type = typedef_new( TYPE_INT ) ;
+
+ left = res ;
+ continue;
+ }
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+expresion_result compile_bitwise_and()
+{
+ expresion_result left = compile_comparison_2(), right, res ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && ( token.code == identifier_band || token.code == identifier_bandoffset ) ) /* "BAND" or "&" */
+ {
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+ right = compile_comparison_2() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+ check_integer_types( &left, &right ) ;
+
+ codeblock_add( code, MN_BAND, 0 ) ;
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = ( left.value & right.value ) ;
+ res.type = left.type /* typedef_new( TYPE_INT )*/ ;
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+expresion_result compile_bitwise_xor()
+{
+ expresion_result left = compile_bitwise_and(), right, res ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_bxor ) /* "BXOR" or "^" */
+ {
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+ right = compile_bitwise_and() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+ check_integer_types( &left, &right ) ;
+
+ codeblock_add( code, MN_BXOR, 0 ) ;
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = ( left.value ^ right.value ) ;
+ res.type = left.type /* typedef_new( TYPE_INT )*/ ;
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+/* Paso 3 */
+expresion_result compile_bitwise_or()
+{
+ expresion_result left = compile_bitwise_xor(), right, res ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_bor ) /* "BOR" or "|" */
+ {
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+ right = compile_bitwise_xor() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+ check_integer_types( &left, &right ) ;
+
+ codeblock_add( code, MN_BOR, 0 ) ;
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = ( left.value | right.value ) ;
+ res.type = left.type /*typedef_new( TYPE_INT )*/ ;
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break;
+ }
+ return left ;
+}
+
+
+/* Paso 2 */
+expresion_result compile_logical_and()
+{
+ expresion_result left = compile_bitwise_or(), right, res ;
+ int et1;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_and ) /* "AND" or "&&" */
+ {
+ et1 = codeblock_label_add( code, -1 );
+
+ if ( left.lvalue ) codeblock_add( code, MN_PTR | mntype( left.type, 0 ), 0 ) ;
+ check_integer_type( &left ) ;
+ codeblock_add( code, MN_JTFALSE, et1 ) ;
+ right = compile_bitwise_or() ;
+ if ( right.lvalue ) codeblock_add( code, MN_PTR | mntype( right.type, 0 ), 0 ) ;
+ check_integer_type( &right ) ;
+
+ codeblock_add( code, MN_AND, 0 ) ;
+
+ codeblock_label_set( code, et1, code->current ) ;
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = ( left.value && right.value ) ;
+ res.type = typedef_new( TYPE_INT ) ;
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+/* Paso 2 */
+expresion_result compile_logical_xor()
+{
+ expresion_result left = compile_logical_and(), right, res ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_xor ) /* "XOR" or "^^" */
+ {
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+ right = compile_logical_and() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+ check_integer_types( &left, &right ) ;
+
+ codeblock_add( code, MN_XOR, 0 ) ;
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = (( left.value != 0 ) ^( right.value != 0 ) ) ;
+ res.type = typedef_new( TYPE_INT ) ;
+
+ left = res ;
+ continue ;
+ }
+
+ token_back() ;
+ break;
+ }
+
+ return left ;
+}
+
+/* Paso 2 */
+expresion_result compile_logical_or()
+{
+ expresion_result left = compile_logical_xor(), right, res ;
+ int et1;
+ int et2;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_or ) /* "OR" or "||" */
+ {
+ et1 = codeblock_label_add( code, -1 );
+ et2 = codeblock_label_add( code, -1 );
+
+ if ( left.lvalue ) codeblock_add( code, mntype( left.type, 0 ) | MN_PTR, 0 ) ;
+ check_integer_type( &left ) ;
+ codeblock_add( code, MN_JTFALSE, et1 ) ;
+
+ codeblock_add( code, MN_POP, 0 );
+ codeblock_add( code, MN_PUSH, 1 );
+ codeblock_add( code, MN_JUMP, et2 );
+
+ codeblock_label_set( code, et1, code->current ) ;
+
+ right = compile_logical_xor() ;
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+ check_integer_type( &right ) ;
+
+ codeblock_add( code, MN_OR, 0 ) ;
+
+ codeblock_label_set( code, et2, code->current ) ;
+
+ res.lvalue = 0 ;
+ res.asignation = 0 ;
+ res.call = 0 ;
+ res.constant = ( right.constant && left.constant ) ;
+ res.value = ( left.value || right.value ) ;
+ res.type = typedef_new( TYPE_INT ) ;
+
+ left = res ;
+ continue;
+ }
+
+ token_back() ;
+ break ;
+ }
+ return left ;
+}
+
+/* Paso 1 */
+expresion_result compile_ternarycond()
+{
+ CODEBLOCK_POS pos ;
+
+ if ( code ) pos = codeblock_pos( code );
+
+ expresion_result base = compile_logical_or(), right, res ;
+ int et1, et2 ;
+
+ token_next() ;
+ /* Operador EXPR ? TRUE : FALSE */
+ if ( token.type == IDENTIFIER && token.code == identifier_question ) /* "?" */
+ {
+ if ( base.lvalue ) codeblock_add( code, mntype( base.type, 0 ) | MN_PTR, 0 ) ;
+
+ if ( base.constant )
+ {
+ codeblock_setpos( code, pos );
+
+ if (
+ ( typedef_is_integer( base.type ) && base.value ) ||
+ ( typedef_is_float( base.type ) && base.fvalue )
+ )
+ {
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED );
+ if ( code ) pos = codeblock_pos( code );
+ token_next();
+ if ( token.type != IDENTIFIER || token.code != identifier_colon ) compile_error( MSG_EXPECTED, ":" ); /* ":" */
+ res = compile_expresion( 0, 0, 0, right.type.chunk[0].type );
+ codeblock_setpos( code, pos );
+
+ }
+ else
+ {
+ if ( code ) pos = codeblock_pos( code );
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED );
+ codeblock_setpos( code, pos );
+ token_next();
+ if ( token.type != IDENTIFIER || token.code != identifier_colon ) compile_error( MSG_EXPECTED, ":" ); /* ":" */
+ res = compile_expresion( 0, 0, 0, right.type.chunk[0].type );
+ }
+ }
+ else
+ {
+ et1 = codeblock_label_add( code, -1 );
+ et2 = codeblock_label_add( code, -1 );
+ codeblock_add( code, MN_JFALSE, et1 );
+
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED );
+ codeblock_add( code, MN_JUMP, et2 );
+
+ codeblock_label_set( code, et1, code->current );
+ token_next();
+
+ if ( token.type != IDENTIFIER || token.code != identifier_colon ) compile_error( MSG_EXPECTED, ":" ); /* ":" */
+
+ res = compile_expresion( 0, 0, 0, right.type.chunk[0].type );
+ codeblock_label_set( code, et2, code->current );
+ }
+
+ if ( base.constant && res.constant && right.constant )
+ {
+ if ( typedef_is_integer( base.type ) )
+ {
+ return base.value ? right : res;
+ }
+ else if ( typedef_is_float( base.type ) )
+ {
+ return base.fvalue ? right : res;
+ }
+ }
+
+ res.constant = 0;
+ res.lvalue = ( right.lvalue && res.lvalue );
+
+ return res;
+ }
+
+ token_back() ;
+ return base;
+}
+
+
+/* Paso 1 */
+expresion_result compile_subexpresion()
+{
+ expresion_result base = compile_ternarycond(), right, res ;
+ int op, type ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER )
+ {
+ /* Asignaciones */
+ if ( token.code == identifier_equal ) /* "=" */
+ {
+ if ( typedef_is_array( base.type ) && base.lvalue && base.type.chunk[1].type == TYPE_CHAR ) /* Asignaciones a cadenas de ancho fijo */
+ {
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+ if ( typedef_is_integer( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (INTEGER to CHAR[])" );
+ codeblock_add( code, MN_INT2STR | mntype( right.type, 0 ), 0 ) ;
+ }
+ else if ( typedef_is_float( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (FLOAT to CHAR[])" );
+ codeblock_add( code, MN_FLOAT2STR, 0 ) ;
+ }
+ else if ( !typedef_is_string( right.type ) )
+ {
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+ codeblock_add( code, MN_STR2A, base.type.chunk[0].count - 1 ) ;
+ right.asignation = 1 ;
+
+ return right ;
+ }
+
+ if ( typedef_is_pointer( base.type ) ) /* Asignaciones a punteros */
+ {
+ TYPEDEF pointer_type ;
+
+ pointer_type = typedef_reduce( base.type ) ;
+ if ( !base.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+
+ if (( typedef_base( right.type ) == TYPE_DWORD || typedef_base( right.type ) == TYPE_INT ) && right.constant && right.value == 0 )
+ {
+ right.type = base.type ;
+ }
+
+ if ( typedef_base( right.type ) == TYPE_FLOAT )
+ {
+ compile_warning( 1, "implicit conversion (FLOAT to POINTER)" );
+ codeblock_add( code, MN_FLOAT2INT, 0 );
+ right.type = base.type;
+ }
+
+ /* Un puntero "void" puede asignarse a otro cualquiera */
+ right.type = typedef_pointer( pointer_type ) ;
+ if ( typedef_base( typedef_reduce( right.type ) ) != typedef_base( pointer_type ) ) compile_error( MSG_TYPES_NOT_THE_SAME ) ;
+
+ codeblock_add( code, MN_DWORD | MN_LET, 0 ) ;
+
+ res.lvalue = 1 ;
+ res.asignation = 1 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.value = 0 ;
+ res.type = base.type ;
+
+ return res ;
+ }
+
+ if ( typedef_base( base.type ) == TYPE_CHAR ) /* Asignaciones a chars */
+ {
+ if ( !base.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+
+ if ( typedef_is_string( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (STRING to CHAR)" );
+ codeblock_add( code, MN_STR2CHR, 0 ) ;
+ }
+ else if ( typedef_base( right.type ) == TYPE_FLOAT )
+ {
+ compile_warning( 1, "implicit conversion (FLOAT to CHAR)" );
+ codeblock_add( code, MN_FLOAT2INT, 0 ) ;
+ }
+ else if ( !typedef_is_numeric( right.type ) )
+ {
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+
+ codeblock_add( code, MN_LET | MN_BYTE, 0 ) ;
+
+ res.lvalue = 1 ;
+ res.asignation = 1 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.value = 0 ;
+ res.type = typedef_new( TYPE_CHAR ) ;
+
+ return res ;
+ }
+
+ if ( typedef_is_string( base.type ) ) /* Asignaciones a cadenas */
+ {
+ if ( !base.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+
+ if ( typedef_base( right.type ) == TYPE_CHAR )
+ {
+ compile_warning( 1, "implicit conversion (CHAR to STRING)" );
+ codeblock_add( code, MN_CHR2STR, 0 ) ;
+ }
+ else if ( typedef_is_integer( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (INTEGER to STRING)" );
+ codeblock_add( code, MN_INT2STR | mntype( right.type, 0 ), 0 ) ;
+ }
+ else if ( typedef_is_float( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (FLOAT to STRING)" );
+ codeblock_add( code, MN_FLOAT2STR, 0 ) ;
+ }
+ else if ( typedef_is_pointer( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (POINTER to STRING)" );
+ codeblock_add( code, MN_POINTER2STR, 0 ) ;
+ }
+ else if ( !typedef_is_string( right.type ) )
+ {
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+ codeblock_add( code, MN_STRING | MN_LET, 0 ) ;
+
+ res.lvalue = 1 ;
+ res.asignation = 1 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.value = 0 ;
+ res.type = typedef_new( TYPE_STRING ) ;
+
+ return res ;
+ }
+ }
+
+ /* Puntero += entero */
+
+ if ( typedef_is_pointer( base.type ) && ( token.code == identifier_plusequal || token.code == identifier_minusequal ) ) /* "+=" or "-=" */
+ {
+ TYPEDEF pointer_type ;
+
+ op = ( token.code == identifier_plusequal ? MN_VARADD : MN_VARSUB ) ;
+ pointer_type = typedef_reduce( base.type ) ;
+ if ( !base.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+
+ if ( !typedef_is_integer( right.type ) ) compile_error( MSG_INCOMP_TYPES ) ;
+
+ if ( typedef_size( pointer_type ) > 1 )
+ codeblock_add( code, MN_ARRAY, ( op == MN_VARADD ? 1 : -1 ) * typedef_size( pointer_type ) ) ;
+ else
+ codeblock_add( code, op, 0 ) ;
+
+ res.lvalue = 1 ;
+ res.asignation = 1 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.value = 0 ;
+ res.type = typedef_new( TYPE_STRING ) ;
+
+ return res ;
+ }
+
+ /* Increment and assign */
+
+ if ( token.code == identifier_plusequal ) /* "+=" */
+ {
+ if ( typedef_is_array( base.type ) && base.lvalue && base.type.chunk[1].type == TYPE_CHAR ) /* Cadena += cadena fija */
+ {
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+ if ( typedef_is_integer( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (INTEGER to CHAR[])" );
+ codeblock_add( code, MN_INT2STR | mntype( right.type, 0 ), 0 ) ;
+ }
+ else if ( typedef_is_float( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (FLOAT to CHAR[])" );
+ codeblock_add( code, MN_FLOAT2STR, 0 ) ;
+ }
+ else if ( typedef_base( right.type ) == TYPE_CHAR )
+ {
+ compile_warning( 1, "implicit conversion (CHAR to CHAR[])" );
+ codeblock_add( code, MN_CHR2STR, 0 );
+ }
+ else if ( !typedef_is_string( right.type ) )
+ {
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+ codeblock_add( code, MN_STRACAT, base.type.chunk[0].count ) ;
+ right.asignation = 1 ;
+
+ return right ;
+ }
+
+ if ( typedef_is_string( base.type ) )
+ {
+ if ( !base.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+ if ( typedef_is_integer( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (INTEGER to STRING)" );
+ codeblock_add( code, MN_INT2STR | mntype( right.type, 0 ), 0 ) ;
+ }
+ else if ( typedef_is_float( right.type ) )
+ {
+ compile_warning( 1, "implicit conversion (FLOAT to STRING)" );
+ codeblock_add( code, MN_FLOAT2STR, 0 ) ;
+ }
+ else if ( typedef_base( right.type ) == TYPE_CHAR )
+ {
+ compile_warning( 1, "implicit conversion (CHAR to STRING)" );
+ codeblock_add( code, MN_CHR2STR, 0 );
+ }
+ else if ( !typedef_is_string( right.type ) )
+ {
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+ codeblock_add( code, MN_STRING | MN_VARADD, 0 ) ;
+
+ res.lvalue = 1 ;
+ res.asignation = 1 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.value = 0 ;
+ res.type = typedef_new( TYPE_STRING ) ;
+
+ return res ;
+ }
+ }
+
+ /* Otra posible combinación(for not string/char[]/pointers) */
+
+ if ( token.code == identifier_plusequal /* "+=" */
+ || token.code == identifier_minusequal /* "-=" */
+ || token.code == identifier_multequal /* "*=" */
+ || token.code == identifier_divequal /* "/=" */
+ || token.code == identifier_modequal /* "%=" */
+ || token.code == identifier_andequal /* "&=" */
+ || token.code == identifier_xorequal /* "^=" */
+ || token.code == identifier_orequal /* "|=" */
+ || token.code == identifier_rolequal /* "<<=" */
+ || token.code == identifier_rorequal /* ">>=" */
+ || token.code == identifier_equal ) /* "=" */
+ {
+ SYSPROC * proc_copy = sysproc_get( identifier_search_or_add( "#COPY#" ) );
+ SYSPROC * proc_memcopy = sysproc_get( identifier_search_or_add( "#MEMCOPY#" ) );
+ SYSPROC * proc_copy_string_array = sysproc_get( identifier_search_or_add( "#COPYSTRA#" ) );
+ int size, nvar;
+
+ op = token.code ;
+
+ /* Assignation to struct: struct copy */
+ if ( typedef_is_struct( base.type ) )
+ {
+ if ( token.code != identifier_equal ) compile_error( MSG_EXPECTED, "=" ) ; /* "=" */
+
+ right = compile_expresion( 0, 0, 0, TYPE_UNDEFINED );
+ while ( typedef_is_array( right.type ) ) right.type = typedef_reduce( right.type );
+
+ if ( typedef_base( right.type ) != TYPE_POINTER ) compile_error( MSG_STRUCT_REQUIRED );
+
+ if ( !typedef_is_struct( typedef_reduce( right.type ) ) )
+ {
+ compile_error( MSG_STRUCT_REQUIRED );
+ }
+ else if ( right.type.varspace != base.type.varspace )
+ {
+ compile_error( MSG_TYPES_NOT_THE_SAME );
+ }
+ else
+ {
+ /*
+ * Struct copy operator
+ */
+
+ while ( typedef_is_pointer( base.type ) )
+ {
+ codeblock_add( code, MN_PTR, 0 );
+ res.type = typedef_reduce( base.type );
+ }
+
+ if ( typedef_base( base.type ) != TYPE_STRUCT )
+ compile_error( MSG_STRUCT_REQUIRED );
+ else
+ {
+ size = right.type.varspace->count * sizeof( DCB_TYPEDEF );
+
+ if ( right.type.varspace->stringvar_count > 0 )
+ {
+ /* True struct copy version */
+
+ segment_alloc( globaldata, size );
+ codeblock_add( code, MN_GLOBAL, globaldata->current ) ;
+ for ( nvar = 0 ; nvar < right.type.varspace->count ; nvar++ )
+ {
+ DCB_TYPEDEF type;
+ dcb_settype( &type, &right.type.varspace->vars[nvar].type );
+ memcpy(( uint8_t* )globaldata->bytes + globaldata->current, &type, sizeof( DCB_TYPEDEF ) );
+ globaldata->current += sizeof( DCB_TYPEDEF );
+ }
+ codeblock_add( code, MN_PUSH, right.type.varspace->count );
+ codeblock_add( code, MN_PUSH, right.count ? right.count : 1 );
+ codeblock_add( code, MN_SYSCALL, proc_copy->code );
+ }
+ else
+ {
+ /* Optimized fast memcopy version */
+ codeblock_add( code, MN_PUSH, right.type.varspace->size*( right.count ? right.count : 1 ) );
+ codeblock_add( code, MN_SYSCALL, proc_memcopy->code );
+ }
+ }
+ base.type = right.type;
+ base.constant = 0;
+ base.lvalue = 0;
+ base.call = 1;
+ }
+ return base;
+ }
+
+ if ( op != identifier_equal && typedef_is_array( base.type ) ) compile_error( MSG_EXPECTED, "[" ) ;
+
+ if ( !base.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ right = compile_expresion( 0, 0, 0, typedef_base( base.type ) ) ;
+
+ /* Array copy */
+ if ( op == identifier_equal && typedef_is_array( base.type ) && typedef_is_array( right.type ) )
+ {
+ int size;
+
+ if ( !typedef_is_equal( base.type, right.type ) ) compile_error( MSG_TYPES_NOT_THE_SAME );
+
+ size = typedef_size( base.type );
+
+ while ( typedef_is_array( base.type ) )
+ {
+ base.type = typedef_reduce( base.type ) ;
+ right.type = typedef_reduce( right.type ) ;
+ }
+
+ /* Optimized fast memcopy version */
+ if ( typedef_is_string( base.type ) )
+ {
+ codeblock_add( code, MN_PUSH, size / sizeof( int ) );
+ codeblock_add( code, MN_SYSCALL, proc_copy_string_array->code );
+ }
+ else
+ {
+ codeblock_add( code, MN_PUSH, size );
+ codeblock_add( code, MN_SYSCALL, proc_memcopy->code );
+ }
+
+ base.type = right.type;
+ base.constant = 0;
+ base.lvalue = 0;
+ base.call = 1;
+
+ return base;
+ }
+
+ if ( right.lvalue ) codeblock_add( code, mntype( right.type, 0 ) | MN_PTR, 0 ) ;
+
+ type = check_numeric_types( &base, &right ) ;
+
+ if ( op == identifier_plusequal ) /* "+=" */
+ codeblock_add( code, type | MN_VARADD, 0 ) ;
+ else if ( op == identifier_minusequal ) /* "-=" */
+ codeblock_add( code, type | MN_VARSUB, 0 ) ;
+ else if ( op == identifier_multequal ) /* "*=" */
+ codeblock_add( code, type | MN_VARMUL, 0 ) ;
+ else if ( op == identifier_divequal ) /* "/=" */
+ codeblock_add( code, type | MN_VARDIV, 0 ) ;
+ else if ( op == identifier_modequal ) /* "%=" */
+ codeblock_add( code, type | MN_VARMOD, 0 ) ;
+ else if ( op == identifier_orequal ) /* "|=" */
+ codeblock_add( code, type | MN_VAROR, 0 ) ;
+ else if ( op == identifier_andequal ) /* "&=" */
+ codeblock_add( code, type | MN_VARAND, 0 ) ;
+ else if ( op == identifier_xorequal ) /* "^=" */
+ codeblock_add( code, type | MN_VARXOR, 0 ) ;
+ else if ( op == identifier_rorequal ) /* ">>=" */
+ codeblock_add( code, type | MN_VARROR, 0 ) ;
+ else if ( op == identifier_rolequal ) /* "<<=" */
+ codeblock_add( code, type | MN_VARROL, 0 ) ;
+ else if ( op == identifier_equal ) /* "=" */
+ codeblock_add( code, type | MN_LET, 0 ) ;
+
+ res.lvalue = 1 ;
+ res.asignation = 1 ;
+ res.call = 0 ;
+ res.constant = 0 ;
+ res.value = 0 ;
+ res.type = right.type ;
+
+ return res ;
+ }
+ else
+ {
+ token_back() ;
+ }
+ }
+ else
+ {
+ token_back() ;
+ }
+
+ return base ;
+}
+
+expresion_result compile_expresion( int need_constant, int need_lvalue, int discart_code, BASETYPE t )
+{
+ expresion_result res ;
+
+ CODEBLOCK_POS pos ;
+
+ if ( code ) pos = codeblock_pos( code );
+
+ res = compile_subexpresion() ;
+
+ /* Interpreta una estructura tal cual como un puntero a la misma */
+
+ if ( res.lvalue && typedef_base( res.type ) == TYPE_STRUCT && !need_lvalue )
+ {
+ res.type = typedef_pointer( res.type ) ;
+ res.lvalue = 0 ;
+ res.constant = 0 ;
+ }
+
+ /* Interpretar arrays de byte como cadenas */
+
+ if ( typedef_base( res.type ) == TYPE_ARRAY && res.type.chunk[1].type == TYPE_CHAR && res.lvalue && !need_lvalue )
+ {
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ res.type = typedef_new( TYPE_STRING ) ; /* Array 2 String */
+ res.lvalue = 0 ;
+ }
+
+ /* Quita los lvalue */
+
+ if ( !need_lvalue && res.lvalue && !typedef_is_array( res.type ) )
+ {
+ res.lvalue = 0 ;
+ codeblock_add( code, mntype( res.type, 0 ) | MN_PTR, 0 ) ;
+ }
+
+ /* Conversiones de tipo */
+
+ if ( t != TYPE_UNDEFINED ) res = convert_result_type( res, t ) ;
+
+ /* Optimización de datos constantes */
+
+ if ( res.constant )
+ {
+ if ( code ) codeblock_setpos( code, pos );
+ if ( typedef_base( res.type ) == TYPE_FLOAT )
+ codeblock_add( code, MN_PUSH, *( int * )&res.fvalue ) ;
+ else if ( typedef_base( res.type ) == TYPE_STRING )
+ codeblock_add( code, MN_PUSH | MN_STRING, res.value ) ;
+ else
+ codeblock_add( code, MN_PUSH, res.value ) ;
+ }
+
+ if ( need_lvalue && !res.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+
+ if ( need_constant && !res.constant ) compile_error( MSG_CONSTANT_EXP ) ;
+
+ if ( discart_code && code ) codeblock_setpos( code, pos );
+
+ return res ;
+}
+
+/*
+ * FUNCTION : convert_result_type
+ *
+ * Given an expresion result in the current context, convert it
+ * if possible to the basic type given(and emit the necessary code)
+ *
+ * PARAMS:
+ * res Result of expression at current context
+ * t Basic type required
+ *
+ * RETURN VALUE:
+ * The converted type result
+ */
+
+expresion_result convert_result_type( expresion_result res, BASETYPE t )
+{
+ /* Conversiones de tipo */
+
+ if ( t < 9 && typedef_is_integer( res.type ) )
+ {
+ res.type = typedef_new( t );
+ }
+ else if ( typedef_base( res.type ) == TYPE_POINTER && t == TYPE_STRING )
+ {
+ codeblock_add( code, MN_POINTER2STR, 0 ) ;
+ res.type = typedef_new( t ) ; /* Pointer 2 String */
+ }
+ else if ( typedef_is_integer( res.type ) /*&& res.constant && res.value == 0*/ && t == TYPE_POINTER )
+ {
+ res.type = typedef_new( t ) ; /* pointer */
+ }
+ else if ( typedef_base( res.type ) == TYPE_POINTER && t < 8 )
+ {
+ res.type = typedef_new( t ) ; /* Pointer 2 Int */
+ }
+ else if ( typedef_base( res.type ) == TYPE_FLOAT && t < 8 )
+ {
+ codeblock_add( code, MN_FLOAT2INT, 0 ) ;
+
+ res.type = typedef_new( t ) ;
+ res.value = ( int )res.fvalue ;
+ }
+ else if ( t == TYPE_FLOAT && typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2FLOAT, 0 ) ;
+ res.type = typedef_new( TYPE_FLOAT ) ;
+ res.fvalue = ( float )res.value ;
+ }
+ else if (( t == TYPE_BYTE || t == TYPE_WORD || t == TYPE_DWORD ) && typedef_is_integer( res.type ) )
+ {
+ res.type = typedef_new( t ) ;
+ }
+ else if ( t == TYPE_STRING && typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2STR | mntype( res.type, 0 ), 0 ) ;
+ if ( res.constant )
+ {
+ char buffer[32] ;
+ switch ( res.type.chunk[0].type )
+ {
+ case TYPE_INT:
+ sprintf( buffer, "%d", res.value ) ;
+ break;
+
+ case TYPE_WORD:
+ sprintf( buffer, "%d", ( uint16_t )res.value ) ;
+ break;
+
+ case TYPE_BYTE:
+ sprintf( buffer, "%d", ( uint8_t )res.value ) ;
+ break;
+
+ case TYPE_SHORT:
+ sprintf( buffer, "%d", ( int16_t )res.value ) ;
+ break;
+
+ case TYPE_SBYTE:
+ sprintf( buffer, "%d", ( int8_t )res.value ) ;
+ break;
+
+ case TYPE_DWORD:
+ sprintf( buffer, "%u", ( int32_t )res.value ) ;
+ break;
+
+ case TYPE_UNDEFINED :
+ case TYPE_CHAR :
+ case TYPE_FLOAT :
+ case TYPE_STRING :
+ case TYPE_ARRAY :
+ case TYPE_STRUCT :
+ case TYPE_POINTER :
+ break;
+ }
+ res.value = string_new( buffer ) ;
+ }
+ res.type = typedef_new( t ) ;
+ }
+ else if ( t == TYPE_STRING && typedef_base( res.type ) == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_CHR2STR, 0 ) ;
+ if ( res.constant )
+ {
+ char buffer[2] ;
+ buffer[0] = res.value;
+ buffer[1] = 0;
+ res.value = string_new( buffer ) ;
+ }
+ res.type = typedef_new( t ) ;
+ }
+ else if ( t != TYPE_UNDEFINED && typedef_base( res.type ) != t )
+ {
+ switch ( t )
+ {
+ case TYPE_CHAR:
+
+ /* Allow string-to-char conversions */
+
+ if ( typedef_is_string( res.type ) )
+ {
+ codeblock_add( code, MN_STR2CHR, 0 ) ;
+ if ( res.constant == 1 ) res.value = ( unsigned char ) * ( string_get( res.value ) );
+ }
+ else
+ compile_error( MSG_INTEGER_REQUIRED ) ;
+ break ;
+
+ case TYPE_DWORD:
+ case TYPE_INT:
+ case TYPE_WORD:
+ case TYPE_SHORT:
+ case TYPE_BYTE:
+ case TYPE_SBYTE:
+ if ( typedef_is_array( res.type ) && res.lvalue &&
+ res.type.chunk[1].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ codeblock_add( code, MN_STR2INT, 0 ) ;
+ res.lvalue = 0 ;
+ res.constant = 0;
+ }
+ else if ( typedef_is_string( res.type ) )
+ {
+ codeblock_add( code, MN_STR2INT, 0 ) ;
+ if ( res.constant == 1 ) res.value = atoi( string_get( res.value ) );
+ }
+ else if ( typedef_base( res.type ) == TYPE_CHAR )
+ {
+ res.type = typedef_new( t );
+ }
+ else
+ compile_error( MSG_INTEGER_REQUIRED ) ;
+ break ;
+
+ case TYPE_FLOAT:
+ if ( typedef_is_string( res.type ) )
+ {
+ codeblock_add( code, MN_STR2FLOAT, 0 ) ;
+ if ( res.constant == 1 ) res.fvalue = ( float )atof( string_get( res.value ) );
+ }
+ else
+ compile_error( MSG_NUMBER_REQUIRED ) ;
+ break ;
+
+ case TYPE_STRING:
+ if ( typedef_is_array( res.type ) && res.lvalue &&
+ res.type.chunk[1].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ res.lvalue = 0 ;
+ }
+ else if ( typedef_is_integer( res.type ) )
+ {
+ codeblock_add( code, MN_INT2STR | mntype( res.type, 0 ), 0 ) ;
+ if ( res.constant )
+ {
+ char buffer[32] ;
+ sprintf( buffer, "%d", res.value ) ;
+ res.value = string_new( buffer ) ;
+ }
+ }
+ else if ( typedef_is_float( res.type ) )
+ {
+ codeblock_add( code, MN_FLOAT2STR, 0 ) ;
+ if ( res.constant )
+ {
+ char buffer[32] ;
+ sprintf( buffer, "%g", res.fvalue ) ;
+ res.value = string_new( buffer ) ;
+ }
+ }
+ else
+ compile_error( MSG_STRING_EXP ) ;
+ break ;
+
+ default:
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+ res.type = typedef_new( t ) ;
+ }
+
+ return res ;
+}
+
+int compile_sentence_end()
+{
+ token_next() ;
+
+ if ( token.type == NOTOKEN ) return 1;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_semicolon ) return 0 ; /* ";" */
+
+ /*
+ if (token.type == IDENTIFIER && token.code == identifier_end)
+ {
+ token_back() ;
+ return 1 ;
+ }
+ */
+
+ compile_error( MSG_EXPECTED, ";" ) ;
+ return 0;
+}
+
+extern int dcb_options ;
+
+void basetype_describe( char * buffer, BASETYPE t )
+{
+ switch ( t )
+ {
+ case TYPE_INT:
+ sprintf( buffer, "INT" ) ;
+ return ;
+
+ case TYPE_DWORD:
+ sprintf( buffer, "DWORD" ) ;
+ return ;
+
+ case TYPE_SHORT:
+ sprintf( buffer, "SHORT" ) ;
+ return ;
+
+ case TYPE_WORD:
+ sprintf( buffer, "WORD" ) ;
+ return ;
+
+ case TYPE_BYTE:
+ sprintf( buffer, "BYTE" ) ;
+ return ;
+
+ case TYPE_CHAR:
+ sprintf( buffer, "CHAR" ) ;
+ return ;
+
+ case TYPE_SBYTE:
+ sprintf( buffer, "SIGNED BYTE" ) ;
+ return ;
+
+ case TYPE_STRING:
+ sprintf( buffer, "STRING" ) ;
+ return ;
+
+ case TYPE_FLOAT:
+ sprintf( buffer, "FLOAT" ) ;
+ return ;
+
+ case TYPE_STRUCT:
+ sprintf( buffer, "STRUCT" ) ;
+
+ case TYPE_ARRAY:
+ sprintf( buffer, "ARRAY" ) ;
+ return ;
+
+ case TYPE_POINTER:
+ sprintf( buffer, "POINTER" ) ;
+ return ;
+
+ case TYPE_UNDEFINED:
+ default:
+ sprintf( buffer, "<UNDEFINED>" ) ;
+ return ;
+ }
+}
+
+void compile_block( PROCDEF * p )
+{
+ int loop, last_loop, et1, et2 ;
+ expresion_result res, from, to ;
+ int codelabel;
+
+ proc = p ;
+ code = &p->code ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == NOTOKEN ) break ;
+
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code == identifier_end || /* "END" */
+ token.code == identifier_until || /* "UNTIL" */
+ token.code == identifier_else || /* "ELSE" */
+ token.code == identifier_elseif ) /* "ELSEIF" */
+ break ;
+
+ if ( token.code == identifier_semicolon ) /* ";" */
+ continue ;
+
+ if ( token.code == identifier_colon ) /* ":" */
+ continue ;
+
+ if ( token.code == identifier_continue ) /* "CONTINUE" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ if ( !code->loop_active ) compile_error( MSG_NO_LOOP ) ;
+
+ codeblock_add( code, MN_REPEAT, code->loop_active ) ;
+ compile_sentence_end() ;
+ continue ;
+ }
+
+ if ( token.code == identifier_break ) /* "BREAK" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ if ( !code->loop_active ) compile_error( MSG_NO_LOOP ) ;
+
+ codeblock_add( code, MN_BREAK, code->loop_active ) ;
+ compile_sentence_end() ;
+ continue ;
+ }
+
+ if ( token.code == identifier_frame || token.code == identifier_yield ) /* "FRAME or YIELD " */
+ {
+ if ( proc->type != TYPE_INT && proc->type != TYPE_DWORD )
+ if ( !( proc->flags & PROC_FUNCTION ) ) compile_error( MSG_FRAME_REQUIRES_INT );
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ {
+ token_back() ;
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ codeblock_add( code, MN_FRAME, 0 ) ;
+ compile_sentence_end() ;
+ }
+ else
+ {
+ codeblock_add( code, MN_PUSH, 100 ) ;
+ codeblock_add( code, MN_FRAME, 0 ) ;
+ }
+ proc->flags |= PROC_USES_FRAME;
+ continue ;
+ }
+
+ if ( token.code == identifier_debug ) /* "DEBUG" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ codeblock_add( code, MN_DEBUG, 0 ) ;
+ compile_sentence_end() ;
+ continue ;
+ }
+
+ if ( token.code == identifier_return ) /* "RETURN" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ {
+ token_back() ;
+ compile_expresion( 0, 0, 0, p->type ) ;
+ codeblock_add( code, MN_RETURN, 0 ) ;
+ compile_sentence_end() ;
+ }
+ else
+ {
+ codeblock_add( code, MN_END, 0 ) ;
+ }
+ continue ;
+ }
+
+ if ( token.code == identifier_clone ) /* "CLONE" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ et1 = codeblock_label_add( code, -1 ) ;
+ codeblock_add( code, MN_CLONE, et1 ) ;
+ compile_block( p ) ;
+ codeblock_label_set( code, et1, code->current ) ;
+ proc->flags |= PROC_USES_FRAME;
+ continue ;
+ }
+
+ if ( token.code == identifier_if ) /* "IF" */
+ {
+ /* Label at the end of a IF/ELSEIF/ELSEIF/ELSE chain */
+ int end_of_chain = -1;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) /* "(" */
+ {
+ token_back() ;
+ compile_expresion( 0, 0, 0, TYPE_DWORD );
+ token_next() ;
+ if ( token.type != IDENTIFIER || ( token.code != identifier_semicolon && token.code != identifier_colon ) ) /* ";" or ":" */
+ compile_error( MSG_EXPECTED, ";" MSG_OR ":" ) ;
+ }
+ else
+ {
+ compile_expresion( 0, 0, 0, TYPE_DWORD );
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ compile_error( MSG_EXPECTED, ")" ) ;
+ }
+
+ et1 = codeblock_label_add( code, -1 ) ;
+ codeblock_add( code, MN_JFALSE, et1 ) ;
+ compile_block( p ) ;
+ if ( token.type == IDENTIFIER && token.code == identifier_else ) /* "ELSE" */
+ {
+ et2 = codeblock_label_add( code, -1 ) ;
+ codeblock_add( code, MN_JUMP, et2 ) ;
+ codeblock_label_set( code, et1, code->current ) ;
+ compile_block( p ) ;
+ codeblock_label_set( code, et2, code->current ) ;
+ break;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_elseif ) /* "ELSEIF" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+ if ( end_of_chain == -1 ) end_of_chain = codeblock_label_add( code, -1 ) ;
+ codeblock_add( code, MN_JUMP, end_of_chain );
+ codeblock_label_set( code, et1, code->current ) ;
+ continue;
+ }
+ else
+ {
+ codeblock_label_set( code, et1, code->current ) ;
+ break;
+ }
+ }
+ if ( end_of_chain != -1 ) codeblock_label_set( code, end_of_chain, code->current ) ;
+ continue ;
+ }
+
+ if ( token.code == identifier_for ) /* "FOR" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ loop = codeblock_loop_add( code ) ;
+ et1 = codeblock_label_add( code, -1 ) ;
+ et2 = codeblock_label_add( code, -1 ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) /* "(" */
+ compile_error( MSG_EXPECTED, "(" ) ;
+
+ /* Inicializadores */
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ {
+ token_back() ;
+ do
+ {
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ codeblock_add( code, MN_POP, 0 ) ;
+ token_next() ;
+ }
+ while ( token.type == IDENTIFIER && token.code == identifier_comma ) ; /* "," */
+ }
+
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ compile_error( MSG_EXPECTED, ";" ) ;
+
+ codeblock_label_set( code, et1, code->current ) ;
+
+ /* Condiciones */
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+ token_back() ;
+ do
+ {
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ codeblock_add( code, MN_BRFALSE, loop ) ;
+ token_next() ;
+ }
+ while ( token.type == IDENTIFIER && token.code == identifier_comma ) ; /* "," */
+ }
+
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ compile_error( MSG_EXPECTED, ";" ) ;
+
+ codeblock_add( code, MN_JUMP, et2 ) ;
+
+ /* Incrementos */
+ codeblock_loop_start( code, loop, code->current ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+ token_back() ;
+ do
+ {
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ codeblock_add( code, MN_POP, 0 ) ;
+ token_next() ;
+ }
+ while ( token.type == IDENTIFIER && token.code == identifier_comma ) ; /* "," */
+ }
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ compile_error( MSG_EXPECTED, ")" ) ;
+
+ codeblock_add( code, MN_JUMP, et1 ) ;
+
+ /* Bloque */
+ codeblock_label_set( code, et2, code->current ) ;
+
+ last_loop = code->loop_active ;
+ code->loop_active = loop ;
+ compile_block( p ) ;
+ code->loop_active = last_loop ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ codeblock_add( code, MN_REPEAT, loop ) ;
+ codeblock_loop_end( code, loop, code->current ) ;
+ continue ;
+ }
+
+ if ( token.code == identifier_switch ) /* "SWITCH" */
+ {
+ BASETYPE switch_type = TYPE_UNDEFINED;
+ expresion_result switch_exp ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) /* "(" */
+ compile_error( MSG_EXPECTED, "(" ) ;
+
+ switch_exp = compile_expresion( 0, 0, 0, TYPE_UNDEFINED ) ;
+ switch_type = typedef_base( switch_exp.type );
+
+ if ( switch_type == TYPE_ARRAY && switch_exp.type.chunk[0].type == TYPE_CHAR )
+ {
+ codeblock_add( code, MN_A2STR, 0 ) ;
+ switch_type = TYPE_STRING;
+ }
+ else if ( typedef_is_integer( switch_exp.type ) )
+ {
+ switch_exp = convert_result_type( switch_exp, TYPE_INT );
+ switch_type = TYPE_INT;
+ }
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ compile_error( MSG_EXPECTED, ")" );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || ( token.code != identifier_semicolon && token.code != identifier_colon ) ) /* ";" or ":" */
+ token_back() ;
+
+ if ( switch_type == TYPE_STRING )
+ codeblock_add( code, MN_SWITCH | MN_STRING, 0 ) ;
+ else
+ codeblock_add( code, MN_SWITCH, 0 ) ;
+
+ et1 = codeblock_label_add( code, -1 ) ;
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_case ) /* "CASE" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_colon ) /* ":" */
+ break ;
+ if ( token.type == IDENTIFIER && token.code == identifier_comma ) /* "," */
+ continue ;
+ token_back() ;
+
+ compile_expresion( 0, 0, 0, switch_type ) ;
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_twopoints ) /* ".." */
+ {
+ compile_expresion( 0, 0, 0, switch_type ) ;
+ if ( switch_type == TYPE_STRING )
+ {
+ codeblock_add( code, MN_CASE_R | MN_STRING, 0 ) ;
+ }
+ else
+ {
+ codeblock_add( code, MN_CASE_R, 0 ) ;
+ }
+ token_next() ;
+ }
+ else
+ {
+ if ( switch_type == TYPE_STRING )
+ {
+ codeblock_add( code, MN_CASE | MN_STRING, 0 ) ;
+ }
+ else
+ {
+ codeblock_add( code, MN_CASE, 0 ) ;
+ }
+ }
+
+ if ( token.type == IDENTIFIER && token.code == identifier_colon ) /* ":" */
+ break ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_comma ) /* "," */
+ compile_error( MSG_EXPECTED, "," ) ;
+ }
+ et2 = codeblock_label_add( code, -1 ) ;
+ codeblock_add( code, MN_JNOCASE, et2 ) ;
+ compile_block( p ) ;
+ codeblock_add( code, MN_JUMP, et1 ) ;
+ codeblock_label_set( code, et2, code->current ) ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_default ) /* "DEFAULT" */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_colon ) /* ":" */
+ compile_error( MSG_EXPECTED, ":" ) ;
+
+ compile_block( p ) ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_semicolon ) /* ";" */
+ continue ;
+ else if ( token.type == IDENTIFIER && token.code == identifier_end ) /* "END" */
+ break ;
+ else
+ compile_error( MSG_EXPECTED, "CASE" );
+ }
+ codeblock_label_set( code, et1, code->current ) ;
+ continue ;
+ }
+
+ if ( token.code == identifier_loop ) /* "LOOP" */
+ {
+ loop = codeblock_loop_add( code ) ;
+ codeblock_loop_start( code, loop, code->current ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ last_loop = code->loop_active ;
+ code->loop_active = loop ;
+ compile_block( p ) ;
+ code->loop_active = last_loop ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ codeblock_add( code, MN_REPEAT, loop ) ;
+ codeblock_loop_end( code, loop, code->current ) ;
+ continue ;
+ }
+
+ /* FROM ... TO */
+
+ if ( token.code == identifier_from ) /* "FROM" */
+ {
+ int inc = 1 ;
+ CODEBLOCK_POS var_pos;
+ CODEBLOCK_POS var_end;
+ int is_unsigned = 0;
+ int is_float = 0;
+ BASETYPE res_type = TYPE_UNDEFINED;
+
+ et1 = codeblock_label_add( code, -1 ) ;
+
+ /* Compile the variable access */
+
+ loop = codeblock_loop_add( code ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ var_pos = codeblock_pos( code );
+
+ res = compile_value() ;
+ res_type = typedef_base( res.type );
+
+ if ( typedef_is_unsigned( res.type ) ) is_unsigned = MN_UNSIGNED;
+ if ( typedef_is_float( res.type ) ) is_float = MN_FLOAT;
+
+ var_end = codeblock_pos( code );
+ if ( !res.lvalue ) compile_error( MSG_VARIABLE_REQUIRED ) ;
+ if ( !typedef_is_numeric( res.type ) ) compile_error( MSG_NUMBER_REQUIRED );
+
+ /* Compile the assignation of first value */
+
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_equal ) /* "=" */
+ compile_error( MSG_EXPECTED, "=" ) ;
+
+ from = compile_expresion( 0, 0, 0, res_type );
+ codeblock_add( code, MN_LETNP | mntype( res.type, 0 ), 0 );
+
+ /* Compile the loop termination check */
+
+ codeblock_label_set( code, et1, code->current ) ;
+
+ codeblock_add_block( code, var_pos, var_end );
+ codeblock_add( code, MN_PTR | mntype( res.type, 0 ), 0 );
+ token_next() ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_to ) /* "TO" */
+ compile_error( MSG_EXPECTED, "TO" ) ;
+
+ to = compile_expresion( 0, 0, 0, res_type ) ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_step ) /* "STEP" */
+ {
+ CODEBLOCK_POS p = codeblock_pos( code );
+ expresion_result r = compile_expresion( 1, 0, 0, res_type ) ;
+ if ( !r.constant ) compile_error( MSG_CONSTANT_EXP );
+ if ( !typedef_is_numeric( r.type ) ) compile_error( MSG_NUMBER_REQUIRED );
+
+ if ( res_type == TYPE_FLOAT )
+ {
+ if ( r.fvalue == 0.0 ) compile_error( MSG_INVALID_STEP ) ;
+ inc = *( int * ) & r.fvalue;
+ }
+ else
+ {
+ if ( r.value == 0 ) compile_error( MSG_INVALID_STEP ) ;
+ inc = r.value;
+ }
+
+ codeblock_setpos( code, p );
+ if (( res_type == TYPE_FLOAT && r.fvalue > 0 ) || ( res_type != TYPE_FLOAT && r.value > 0 ) )
+ codeblock_add( code, MN_LTE | is_float | is_unsigned, 0 ) ;
+ else
+ codeblock_add( code, MN_GTE | is_float | is_unsigned, 0 ) ;
+ }
+ else
+ {
+ if ( from.constant && to.constant )
+ {
+ int dec = 0;
+ if ( res_type == TYPE_FLOAT && from.fvalue > to.fvalue )
+ {
+ float v = -1;
+ inc = *(( int * ) & v );
+ dec = 1;
+ }
+ else if ( from.value > to.value )
+ {
+ inc = -1;
+ dec = 1;
+ }
+ codeblock_add( code, ( dec ? MN_GTE : MN_LTE ) | is_float | is_unsigned, 0 ) ;
+ }
+ else
+ codeblock_add( code, MN_LTE | is_float | is_unsigned, 0 ) ;
+ token_back() ;
+ }
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ compile_error( MSG_EXPECTED, ";" ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ codeblock_add( code, MN_BRFALSE, loop ) ;
+
+ /* Compile the loop block contents */
+
+ last_loop = code->loop_active ;
+ code->loop_active = loop ;
+ compile_block( p ) ;
+ code->loop_active = last_loop ;
+
+ /* Compile the increment and looping code */
+
+ codeblock_loop_start( code, loop, code->current ) ;
+
+ codeblock_add_block( code, var_pos, var_end );
+ if ( inc == 1 )
+ codeblock_add( code, MN_INC | mntype( res.type, 0 ), 1 ) ;
+ else if ( inc == -1 )
+ codeblock_add( code, MN_DEC | mntype( res.type, 0 ), 1 ) ;
+ else
+ {
+ codeblock_add( code, MN_PUSH, inc ) ;
+ codeblock_add( code, MN_VARADD | mntype( res.type, 0 ), 0 ) ;
+ }
+ codeblock_add( code, MN_POP, 0 ) ;
+ codeblock_add( code, MN_JUMP, et1 ) ;
+
+ codeblock_loop_end( code, loop, code->current ) ;
+ continue ;
+ }
+
+ /* REPEAT ... UNTIL */
+
+ if ( token.code == identifier_repeat ) /* "REPEAT" */
+ {
+ et1 = codeblock_label_add( code, -1 ) ;
+ et2 = codeblock_label_add( code, -1 ) ;
+
+ loop = codeblock_loop_add( code ) ;
+
+ codeblock_add( code, MN_JUMP, et1 ) ;
+
+ codeblock_loop_start( code, loop, code->current ) ;
+
+ codeblock_add( code, MN_JUMP, et2 ) ;
+ codeblock_label_set( code, et1, code->current ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ last_loop = code->loop_active ;
+ code->loop_active = loop ;
+ compile_block( p ) ;
+ code->loop_active = last_loop ;
+
+ codeblock_label_set( code, et2, code->current ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_until ) /* "UNTIL" */
+ compile_error( MSG_EXPECTED, "UNTIL" ) ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_leftp ) /* "(" */
+ {
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ compile_error( MSG_EXPECTED, ")" ) ;
+ }
+ else
+ {
+ token_back() ;
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) /* ";" */
+ compile_error( MSG_EXPECTED, ";" ) ;
+ }
+ codeblock_add( code, MN_JFALSE, et1 ) ;
+ codeblock_loop_end( code, loop, code->current ) ;
+ continue ;
+ }
+
+ /* WHILE ... END */
+
+ if ( token.code == identifier_while ) /* "WHILE" */
+ {
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) /* "(" */
+ {
+ token_back() ;
+ loop = codeblock_loop_add( code ) ;
+ codeblock_loop_start( code, loop, code->current ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || ( token.code != identifier_semicolon && token.code != identifier_colon ) ) /* ";" or ":" */
+ compile_error( MSG_EXPECTED, ";" MSG_OR ":" ) ;
+ }
+ else
+ {
+ loop = codeblock_loop_add( code ) ;
+ codeblock_loop_start( code, loop, code->current ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ compile_expresion( 0, 0, 0, TYPE_DWORD ) ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) /* ")" */
+ compile_error( MSG_EXPECTED, ")" ) ;
+ }
+
+ codeblock_add( code, MN_BRFALSE, loop ) ;
+
+ last_loop = code->loop_active ;
+ code->loop_active = loop ;
+ compile_block( p ) ;
+ code->loop_active = last_loop ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ codeblock_add( code, MN_REPEAT, loop ) ;
+ codeblock_loop_end( code, loop, code->current ) ;
+ continue ;
+ }
+
+ if ( token.code == identifier_jmp ) /* JMP */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next();
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INVALID_PARAM );
+
+ if (( codelabel = codeblock_label_get_id_by_name( code, token.code ) ) == -1 )
+ codelabel = codeblock_label_add( code, token.code );
+
+ codeblock_add( code, MN_JUMP, codelabel );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) compile_error( MSG_EXPECTED, ";" ) ;
+ continue;
+ }
+
+ if ( token.code == identifier_call ) /* CALL */
+ {
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next();
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INVALID_PARAM );
+
+ if (( codelabel = codeblock_label_get_id_by_name( code, token.code ) ) == -1 )
+ codelabel = codeblock_label_add( code, token.code );
+
+ codeblock_add( code, MN_NCALL, codelabel );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) compile_error( MSG_EXPECTED, ";" ) ;
+ continue;
+ }
+
+ if ( token.code == identifier_on ) /* ON EXIT/ON ERROR */
+ {
+ int on_req = 0;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_next();
+
+ if ( token.type != IDENTIFIER || ( token.code != identifier_exit && token.code != identifier_error ) ) compile_error( MSG_ON_PARAM_ERR );
+
+ on_req = token.code;
+
+ token_next();
+ if ( token.type != IDENTIFIER || token.code != identifier_jmp ) compile_error( MSG_GOTO_EXP );
+
+ token_next();
+ if ( token.type == NUMBER && token.code == 0 )
+ codelabel = -1;
+ else if (( codelabel = codeblock_label_get_id_by_name( code, token.code ) ) == -1 )
+ codelabel = codeblock_label_add( code, token.code );
+
+ codeblock_add( code, on_req == identifier_exit ? MN_EXITHNDLR : MN_ERRHNDLR, codelabel );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) compile_error( MSG_EXPECTED, ";" ) ;
+ continue;
+ }
+ }
+
+ if ( token.type == LABEL || /* Label */
+ ( token.type == IDENTIFIER && ( token.code == identifier_onexit || token.code == identifier_onerror ) ) /* ONEXIT or ONERROR */
+ )
+ {
+ if ( token.code == identifier_onexit ) /* "ONEXIT" */
+ {
+ /* Finalizo el bloque actual y todo el codigo a continuacion es onexit */
+ codeblock_add( code, MN_END, 0 ) ;
+ p->exitcode = code->current;
+ }
+
+ if ( token.code == identifier_onerror ) /* "ONERROR" */
+ {
+ /* Finalizo el bloque actual y todo el codigo a continuacion es onerror */
+ codeblock_add( code, MN_END, 0 ) ;
+ p->errorcode = code->current;
+ }
+
+ if (( codelabel = codeblock_label_get_id_by_name( code, token.code ) ) != -1 )
+ {
+ if ( codeblock_label_get( code, codelabel ) != -1 )
+ compile_error( "Label already defined" );
+ }
+ else
+ {
+ codelabel = codeblock_label_add( code, token.code );
+ }
+
+ codeblock_label_set( code, codelabel, code->current ) ;
+ continue;
+ }
+
+ if ( token.type != IDENTIFIER ) /* || token.code < reserved_words) */ compile_error( MSG_INVALID_SENTENCE ) ;
+
+ if ( dcb_options & DCB_DEBUG ) codeblock_add( code, MN_SENTENCE, line_count + ( current_file << 20 ) ) ;
+
+ token_back() ;
+
+ /* Asignation */
+
+ res = compile_subexpresion() ;
+ if ( !res.asignation && !res.call )
+ compile_error( MSG_INVALID_SENTENCE ) ;
+ if ( typedef_is_string( res.type ) && !res.lvalue )
+ codeblock_add( code, MN_POP | MN_STRING, 0 ) ;
+ else
+ codeblock_add( code, MN_POP, 0 ) ;
+
+ if ( compile_sentence_end() ) break ;
+ }
+}
+
diff --git a/core/bgdc/src/c_data.c b/core/bgdc/src/c_data.c
new file mode 100644
index 0000000..83ef97d
--- /dev/null
+++ b/core/bgdc/src/c_data.c
@@ -0,0 +1,960 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#ifdef TARGET_BEOS
+#include <posix/assert.h>
+#else
+#include <assert.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+
+#include "bgdc.h"
+#include "xctype.h"
+
+/* ---------------------------------------------------------------------- */
+/* Este módulo contiene las funciones que compilan definiciones de datos: */
+/* declaraciones de variables e inicialización de las mismas */
+/* ---------------------------------------------------------------------- */
+
+int compile_array_data( VARSPACE * n, segment * data, int size, int subsize, BASETYPE *t )
+{
+ int block, count = 0, base, remaining = size ;
+ int base_offset, total_length ;
+
+ expresion_result res ;
+
+ for ( ;; )
+ {
+ if ( !remaining && size )
+ {
+ token_back();
+ break;
+// compile_error( MSG_TOO_MANY_INIT ) ;
+ }
+
+ token_next() ;
+ /*
+ if (*t == TYPE_UNDEFINED && token.type == STRING)
+ {
+ *t = typedef_base(typedef_new(TYPE_STRING)) ;
+ }
+ */
+ if ( token.type == STRING && *t == TYPE_CHAR )
+ {
+ const char * str = string_get( token.code ) ;
+ int subcount = 0 ;
+
+ if ( subsize == 0 ) subsize = strlen( str ) + 1;
+
+ if (( int )strlen( str ) > subsize ) compile_error( MSG_TOO_MANY_INIT ) ;
+ while ( *str )
+ {
+ segment_add_as( data, *str++, *t ) ;
+ subcount++ ;
+ }
+ while ( subcount++ < subsize ) segment_add_as( data, 0, *t ) ;
+ count += subsize ;
+ remaining -= subsize ;
+ }
+ else if ( token.type == IDENTIFIER && ( token.code == identifier_rightp || token.code == identifier_semicolon ) )
+ {
+ token_back() ;
+ break ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_leftp )
+ {
+ block = compile_array_data( n, data, remaining, remaining, t ) ;
+ remaining -= block ;
+ count += block ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp )
+ compile_error( MSG_EXPECTED, ")" ) ;
+ }
+ else
+ {
+ token_back() ;
+ res = compile_expresion( 1, 0, 0, *t ) ;
+ if ( *t == TYPE_UNDEFINED )
+ {
+ *t = typedef_base( res.type ) ;
+ if ( *t == TYPE_UNDEFINED )
+ {
+ compile_error( MSG_INCOMP_TYPE ) ;
+ }
+ }
+ base = res.value ;
+ if ( *t == TYPE_FLOAT ) base = *( int * ) & res.fvalue ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_dup )
+ {
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) compile_error( MSG_EXPECTED, "(" ) ;
+ base_offset = data->current ;
+ block = compile_array_data( n, data, remaining, remaining, t ) ;
+ total_length = data->current - base_offset ;
+ if ( size && block * base > remaining )
+ {
+ break; /* MSG_TOO_MANY_INIT */
+ }
+ count += block * base ;
+ if ( size ) remaining -= block * base ;
+ while ( base-- > 1 )
+ {
+ segment_copy( data, base_offset, total_length ) ;
+ base_offset += total_length ;
+ }
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp )
+ compile_error( MSG_EXPECTED, ")" ) ;
+ }
+ else
+ {
+ token_back() ;
+ if ( *t == TYPE_STRING ) varspace_varstring( n, data->current ) ;
+ segment_add_as( data, base, *t ) ;
+ count ++ ;
+ if ( size ) remaining -- ;
+ }
+ }
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_comma )
+ {
+ if ( !size && *t == TYPE_CHAR ) compile_error( MSG_TOO_MANY_INIT );
+ continue ;
+ }
+ token_back() ;
+ break ;
+ }
+
+ return count ;
+}
+
+static BASETYPE get_basetype( VARSPACE * v )
+{
+ TYPEDEF t ;
+ BASETYPE type = TYPE_UNDEFINED, newtype ;
+ int n ;
+
+ for ( n = 0 ; n < v->count ; n++ )
+ {
+ t = v->vars[n].type ;
+ while ( typedef_is_array( t ) )
+ {
+ t = typedef_reduce( t ) ;
+ }
+
+ if ( typedef_is_struct( t ) )
+ {
+ newtype = get_basetype( typedef_members( t ) ) ;
+ }
+ else
+ {
+ newtype = typedef_base( t ) ;
+ }
+
+ if ( type != TYPE_UNDEFINED && type != newtype )
+ {
+ return TYPE_UNDEFINED ;
+ }
+
+ type = newtype ;
+ }
+ return type ;
+}
+
+/*
+ * FUNCTION : compile_struct_data
+ *
+ * Compile the values of an struct initialization
+ * Does not suppor parenthized sections or the DUP operator
+ *
+ * PARAMS:
+ * n Current variable space
+ * data Current data segment
+ * size Size (total number of variables) of the array
+ * including all dimensions (1 for single struct)
+ * sub 1 if the struct we'are initializing is part of
+ * another one
+ * (the function will then ignore a trailing comma)
+ *
+ * RETURN VALUE:
+ * Number of structs initialized
+ */
+
+int compile_struct_data( VARSPACE * n, segment * data, int size, int sub )
+{
+ int elements = 0 ;
+ int position = 0 ;
+ expresion_result res ;
+
+ for ( ;; )
+ {
+ token_next() ;
+
+ /* Allow parenthized struct initialization */
+ if ( token.type == IDENTIFIER && token.code == identifier_leftp )
+ {
+ if (( elements % n->count ) != 0 ) compile_error( MSG_NOT_ENOUGH_INIT );
+
+ /* Note - don't ignore a trailing comma! */
+ elements = compile_struct_data( n, data, size, 0 ) ;
+
+ if ( elements >= n->count ) size -= ( elements / n->count );
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ) ;
+
+ token_next() ;
+ if (( elements % n->count ) == 0 && size > 0 && token.type == IDENTIFIER && token.code == identifier_comma )
+ continue;
+
+ token_back() ;
+ return elements ;
+ }
+
+ /* Allow empty initialization */
+ if ( token.type == IDENTIFIER && token.code == identifier_semicolon ) return 0 ;
+
+ token_back() ;
+
+ for ( ;; )
+ {
+ TYPEDEF next_type = n->vars[position].type ;
+
+ /* Next variable is a pointer */
+
+ if ( typedef_is_pointer( next_type ) )
+ {
+ res = compile_expresion( 1, 0, 0, TYPE_DWORD ) ;
+ if ( !res.constant ) compile_error( MSG_INCORRECT_PTR_INIT );
+ segment_add_as( data, 0, TYPE_POINTER ) ;
+ }
+ else if ( typedef_is_array( next_type ) ) /* Next variable is an array */
+ {
+ int elements = typedef_tcount( next_type ) ;
+ BASETYPE base;
+
+ /* Get the array base type */
+
+ while ( typedef_is_array( next_type ) ) next_type = typedef_reduce( next_type );
+
+ base = typedef_base( next_type );
+
+ /* Special case: array of structs */
+
+ if ( base == TYPE_STRUCT )
+ {
+ compile_struct_data( next_type.varspace, data, elements, 1 );
+
+ }
+ else
+ {
+ token_next();
+
+ /* Special case: intializing char[] strings */
+
+ if ( token.type == STRING && next_type.chunk[1].type == TYPE_CHAR )
+ {
+ const char * str = string_get( token.code ) ;
+ int subcount = 0 ;
+
+ if (( int )strlen( str ) > typedef_count( next_type ) - 1 ) compile_error( MSG_TOO_MANY_INIT ) ;
+
+ while ( *str )
+ {
+ segment_add_as( data, *str++, TYPE_CHAR ) ;
+ subcount++ ;
+ }
+
+ while ( subcount++ < typedef_count( next_type ) ) segment_add_as( data, 0, TYPE_CHAR ) ;
+
+ }
+ else /* Initializing normal arrays */
+ {
+ int has_parents = 1;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp )
+ {
+ has_parents = 0;
+ token_back();
+ }
+
+ compile_array_data( n, data, elements, elements, &base ) ;
+
+ if ( has_parents )
+ {
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightp ) compile_error( MSG_EXPECTED, ")" ) ;
+ }
+ }
+ }
+ }
+ else if ( typedef_is_struct( next_type ) ) /* Next variable is another struct */
+ {
+ compile_struct_data( next_type.varspace, data, 1, 1 ) ;
+ }
+ else /* Next variable is a single type */
+ {
+ res = compile_expresion( 1, 0, 0, typedef_base( next_type ) ) ;
+ if ( !res.constant ) compile_error( MSG_CONSTANT_EXP );
+ segment_add_as( data, typedef_base( next_type ) == TYPE_FLOAT ? *( int* )&res.fvalue : res.value, typedef_base( next_type ) ) ;
+ }
+
+ position++ ;
+ elements++ ;
+
+ if ( position == n->count && size < 2 && sub ) break ;
+
+ /* A comma should be here */
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_semicolon )
+ {
+ token_back();
+ break ;
+ }
+
+ if ( token.type == IDENTIFIER && token.code == identifier_rightp )
+ {
+ token_back() ;
+ break ;
+ }
+
+ if ( token.type != IDENTIFIER || token.code != identifier_comma ) compile_error( MSG_EXPECTED, "," ) ;
+
+ /* Wrap around for the next struct */
+
+ if ( position == n->count )
+ {
+ if ( size == 1 && !sub ) compile_error( MSG_TOO_MANY_INIT ) ;
+ size--;
+ position = 0;
+ }
+ }
+ break;
+ }
+
+ return elements ;
+}
+
+static void set_type( TYPEDEF * t, BASETYPE type )
+{
+/*
+ int n ;
+
+ for ( n = 0 ; n < t->depth ; n++ )
+ if ( t->chunk[n].type == TYPE_UNDEFINED )
+ {
+ t->chunk[n].type = type ;
+ break ;
+ }
+ return ;
+*/
+ t->chunk[t->depth-1].type = type ;
+}
+
+/*
+ * FUNCTION : compile_varspace
+ *
+ * Compile a variable space (a LOCAL, PRIVATE or GLOBAL section, or part of a STRUCT data)
+ *
+ * PARAMS :
+ * n Pointer to the VARSPACE object (already initialized)
+ * data Pointer to the data segment. All variables are added at end.
+ * additive 1 if the compiling is additive (the struct members have non-local offset; GLOBAL case)
+ * or not (STRUCT case)
+ * copies Number of data copies (if the STRUCT is part of an array)
+ * collision Check this varspace array for name collisions (NULL = end of array),
+ * if nonzero (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com)
+ * alignment Byte size for member alignment. Empty data will be added
+ * to the varspace if its size is not multiple of this value.
+ *
+ * In any case, nested varspaces (structs) will have an alignment of 0.
+ *
+ * RETURN VALUE :
+ * None
+ *
+ */
+
+int compile_varspace( VARSPACE * n, segment * data, int additive, int copies, int padding, VARSPACE ** collision, int alignment, int duplicateignore )
+{
+ int i, j, total_count, last_count = 0 ;
+ int base_offset = data->current ;
+ int total_length ;
+ int size, count ;
+ int code ;
+ expresion_result res ;
+ VARIABLE * var ;
+ int unsigned_prefix = 0;
+ int signed_prefix = 0;
+
+ BASETYPE basetype = TYPE_UNDEFINED ;
+ TYPEDEF type, typeaux;
+ segment * segm = NULL ;
+ PROCDEF * proc = NULL;
+
+ /* Backup vars */
+ BASETYPE basetypeb = TYPE_UNDEFINED ;
+ TYPEDEF typeb;
+ segment * segmb = NULL ;
+
+ /* Initialize some stuffs */
+
+ type = typedef_new( TYPE_UNDEFINED ) ;
+ typeb = typedef_new( TYPE_UNDEFINED ) ;
+
+ for ( ;; )
+ {
+ if ( n->reserved == n->count ) varspace_alloc( n, 16 ) ;
+
+ if ( alignment && ( n->size % alignment ) > 0 )
+ {
+ int extra = alignment - ( n->size % alignment );
+ if ( n->reserved <= n->count + extra )
+ {
+ varspace_alloc( n, extra + 16 );
+ }
+ if ( data->reserved <= data->current + extra )
+ {
+ segment_alloc( data, extra + 16 );
+ }
+ n->size += extra;
+ data->current += extra;
+ }
+
+ token_next() ;
+
+ /* Se salta comas y puntos y coma */
+
+ if ( token.type == NOTOKEN ) break ;
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INCOMP_TYPE ) ;
+
+ if ( token.code == identifier_comma )
+ {
+ basetype = basetypeb ;
+ type = typeb ;
+
+ segm = segmb ;
+
+ continue ;
+ }
+ else if ( token.code == identifier_semicolon )
+ {
+ basetype = TYPE_UNDEFINED ;
+ set_type( &type, TYPE_UNDEFINED ) ;
+
+ basetypeb = basetype ;
+ typeb = type ;
+
+ segm = NULL ;
+ proc = NULL ;
+
+ continue ;
+ }
+ else if ( token.code == identifier_end )
+ {
+ break ;
+ }
+
+ /* "Unsigned" */
+
+ if ( token.code == identifier_unsigned )
+ {
+ unsigned_prefix = 1;
+ token_next();
+ }
+ else if ( token.code == identifier_signed )
+ {
+ signed_prefix = 1;
+ token_next();
+ }
+
+ /* Tipos de datos básicos */
+
+ if ( token.code == identifier_dword )
+ {
+ basetype = signed_prefix ? TYPE_INT : TYPE_DWORD ;
+ signed_prefix = unsigned_prefix = 0;
+ token_next() ;
+ }
+ else if ( token.code == identifier_word )
+ {
+ basetype = signed_prefix ? TYPE_SHORT : TYPE_WORD ;
+ signed_prefix = unsigned_prefix = 0;
+ token_next() ;
+ }
+ else if ( token.code == identifier_byte )
+ {
+ basetype = signed_prefix ? TYPE_SBYTE : TYPE_BYTE ;
+ signed_prefix = unsigned_prefix = 0;
+ token_next() ;
+ }
+ else if ( token.code == identifier_int )
+ {
+ basetype = unsigned_prefix ? TYPE_DWORD : TYPE_INT;
+ signed_prefix = unsigned_prefix = 0;
+ token_next() ;
+ }
+ else if ( token.code == identifier_short )
+ {
+ basetype = unsigned_prefix ? TYPE_WORD : TYPE_SHORT;
+ signed_prefix = unsigned_prefix = 0;
+ token_next() ;
+ }
+ else if ( token.code == identifier_char )
+ {
+ basetype = TYPE_CHAR ;
+ token_next() ;
+ }
+ else if ( token.code == identifier_float )
+ {
+ basetype = TYPE_FLOAT ;
+ token_next() ;
+ }
+ else if ( token.code == identifier_string )
+ {
+ basetype = TYPE_STRING ;
+ token_next() ;
+ }
+ else
+ {
+ if ( !proc && ( proc = procdef_search( token.code ) ) ) /* Variables tipo proceso, Splinter */
+ {
+ basetype = TYPE_INT ;
+ token_next();
+ }
+ else
+ {
+ if (
+ token.type == IDENTIFIER &&
+ token.code >= reserved_words &&
+ !segment_by_name( token.code ) )
+ {
+ int code = token.code;
+ token_next();
+ if ( token.type == IDENTIFIER && token.code >= reserved_words )
+ {
+ proc = procdef_new( procdef_getid(), code );
+ basetype = TYPE_INT ;
+ }
+ else
+ {
+ token_back();
+ }
+ }
+ }
+ }
+
+ if ( signed_prefix || unsigned_prefix ) compile_error( MSG_INVALID_TYPE );
+ if ( basetype != TYPE_STRUCT ) type = typedef_new( basetype ) ;
+ if ( basetype == TYPE_UNDEFINED ) type = typedef_new( TYPE_INT ) ;
+
+ /* Tipos de datos definidos por el usuario */
+ if ( basetype != TYPE_STRUCT && ( segm = segment_by_name( token.code ) ) )
+ {
+ basetype = TYPE_STRUCT ;
+ type = * typedef_by_name( token.code ) ;
+ token_next() ;
+ }
+
+ if ( token.type == IDENTIFIER && token.code == identifier_struct )
+ {
+ type.chunk[0].type = TYPE_STRUCT ;
+ type.chunk[0].count = 1 ;
+ type.depth = 1 ;
+ token_next() ;
+ segm = 0 ;
+ }
+
+ basetypeb = basetype ;
+ typeb = type ;
+ segmb = segm ;
+
+ /* Tipos de datos derivados */
+ while ( token.type == IDENTIFIER && ( token.code == identifier_pointer || token.code == identifier_multiply ) )
+ {
+ type = typedef_enlarge( type ) ;
+ type.chunk[0].type = TYPE_POINTER ;
+ basetype = TYPE_POINTER ;
+ segm = NULL ;
+ token_next() ;
+ }
+
+ /* Nombre del dato */
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_IDENTIFIER_EXP ) ;
+
+ if ( token.code < reserved_words )
+ {
+ if ( proc ) compile_error( MSG_VARIABLE_ERROR );
+ token_back() ;
+ break ;
+ }
+
+ if (( var = varspace_search( n, token.code ) ) )
+ {
+ if ( duplicateignore )
+ {
+ int skip_all_until_semicolon = 0;
+ int skip_equal = 0;
+
+ if ( debug ) compile_warning( 0, MSG_VARIABLE_REDECLARE ) ;
+
+ for ( ;; )
+ {
+ token_next() ;
+
+ /* Se salta todo hasta el puntos y coma o en el end o la coma si no hay asignacion */
+
+ if ( token.type == NOTOKEN ) break ;
+
+ if ( token.type == IDENTIFIER )
+ {
+ if ( !skip_equal && token.code == identifier_equal )
+ {
+ skip_all_until_semicolon = 1;
+ continue;
+ }
+
+ if ( !skip_all_until_semicolon && token.code == identifier_comma ) break;
+ if ( token.code == identifier_semicolon ) break ;
+ if ( token.code == identifier_end ) break ;
+ }
+ }
+ token_back();
+ continue;
+ }
+ else
+ compile_error( MSG_VARIABLE_REDECLARE ) ;
+ }
+
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ if ( collision )
+ for ( i = 0; collision[i];i++ )
+ if ( varspace_search( collision[i], token.code ) ) compile_error( MSG_VARIABLE_REDECLARE ) ;
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+
+ if ( constants_search( token.code ) ) compile_error( MSG_CONSTANT_REDECLARED_AS_VARIABLE ) ;
+
+ code = token.code ;
+ n->vars[n->count].code = token.code ;
+ n->vars[n->count].offset = data->current;
+
+ /* Non-additive STRUCT; use zero-based member offsets */
+
+ if ( !additive ) n->vars[n->count].offset -= base_offset;
+
+ token_next() ;
+
+ /* Compila una estructura no predefinida */
+
+ if ( !segm && typedef_is_struct( type ) )
+ {
+ VARSPACE * members ;
+
+ type.chunk[0].count = 1 ;
+ count = 1 ;
+ while ( token.type == IDENTIFIER && token.code == identifier_leftb )
+ {
+ res = compile_expresion( 1, 0, 0, TYPE_INT ) ;
+ if ( !typedef_is_integer( res.type ) ) compile_error( MSG_INTEGER_REQUIRED ) ;
+ count *= res.value + 1 ;
+ type = typedef_enlarge( type ) ;
+ type.chunk[0].type = TYPE_ARRAY ;
+ type.chunk[0].count = res.value + 1 ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ;
+ token_next() ;
+ }
+ token_back() ;
+
+ /* Da la vuelta a los índices [10][5] -> [5][10] */
+
+ for ( i = 0 ; i < type.depth ; i++ ) if ( type.chunk[i].type != TYPE_ARRAY ) break ;
+ i--;
+ for ( j = 0 ; j <= i ; j++ ) typeaux.chunk[ j ] = type.chunk[ i - j ];
+ for ( j = 0 ; j <= i ; j++ ) type.chunk[ j ] = typeaux.chunk[ j ];
+
+ members = ( VARSPACE * )calloc( 1, sizeof( VARSPACE ) ) ;
+ if ( !members )
+ {
+ fprintf( stdout, "compile_varspace: out of memory\n" ) ;
+ exit( 1 ) ;
+ }
+ varspace_init( members ) ;
+
+ size = compile_varspace( members, data, 0, count, 0, NULL, 0, duplicateignore ) ;
+
+ type.varspace = members ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_equal )
+ {
+ i = data->current ;
+ data->current = n->vars[n->count].offset ;
+ compile_struct_data( members, data, count, 0 );
+ data->current = i ;
+ }
+ else
+ {
+ token_back() ;
+ }
+
+ for ( i = 0 ; i < members->stringvar_count ; i++ )
+ varspace_varstring( n, members->stringvars[i] ) ;
+
+ n->size += typedef_size( type ) ;
+ n->vars[n->count].type = type ;
+ n->count++ ;
+
+ continue ; /* No ; */
+
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_leftb ) /* Compila un array */
+ {
+ total_count = 1 ;
+
+ while ( token.type == IDENTIFIER && token.code == identifier_leftb )
+ {
+ if ( type.depth == MAX_TYPECHUNKS ) compile_error( MSG_TOO_MANY_AL ) ;
+
+ type = typedef_enlarge( type ) ;
+ type.chunk[0].type = TYPE_ARRAY ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_rightb )
+ {
+ type.chunk[0].count = 0 ;
+ if ( total_count != 1 ) compile_error( MSG_VTA ) ;
+ total_count = 0 ;
+ last_count = 0 ;
+ }
+ else
+ {
+ token_back() ;
+ res = compile_expresion( 1, 0, 0, TYPE_DWORD ) ;
+ if ( !total_count ) compile_error( MSG_VTA ) ;
+ total_count *= res.value + 1 ;
+ last_count = res.value + 1 ;
+ type.chunk[0].count = res.value + 1 ;
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_rightb ) compile_error( MSG_EXPECTED, "]" ) ;
+ }
+
+ token_next() ;
+ }
+
+ /* Da la vuelta a los índices [10][5] -> [5][10] */
+
+ for ( i = 0 ; i < type.depth ; i++ ) if ( type.chunk[i].type != TYPE_ARRAY ) break ;
+ i--;
+ for ( j = 0 ; j <= i ; j++ ) typeaux.chunk[ j ] = type.chunk[ i - j ];
+ for ( j = 0 ; j <= i ; j++ ) type.chunk[ j ] = typeaux.chunk[ j ];
+
+ if ( segm && token.type == IDENTIFIER && token.code == identifier_equal )
+ {
+ for ( i = 0 ; i < total_count ; i++ ) segment_add_from( data, segm ) ;
+ i = data->current ;
+ data->current = n->vars[n->count].offset ;
+ compile_struct_data( type.varspace, data, typedef_count( type ), 0 );
+
+ if ( !type.chunk[0].count )
+ type.chunk[0].count = ( data->current - i ) / typedef_size( typeb );
+ else
+ data->current = i; /* Solo si ya habia sido alocada */
+
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_equal )
+ {
+ /* if (basetype == TYPE_UNDEFINED) basetype = TYPE_INT; */
+ i = compile_array_data( n, data, total_count, last_count, &basetype ) ;
+ assert( basetype != TYPE_UNDEFINED ) ;
+ set_type( &type, basetype ) ;
+ if ( total_count == 0 )
+ {
+ type.chunk[0].count = i;
+ }
+ else if ( i < total_count )
+ {
+ for ( ; i < total_count; i++ )
+ {
+ if ( basetype == TYPE_STRING ) varspace_varstring( n, data->current ) ;
+ segment_add_as( data, 0, basetype ) ;
+ }
+ }
+ }
+ else if ( segm )
+ {
+ int string_offset = 0, j;
+
+ if ( total_count == 0 ) compile_error( MSG_EXPECTED, "=" ) ;
+
+ for ( i = 0; i < total_count; i++ )
+ {
+ segment_add_from( data, segm ) ;
+ for ( j = 0; j < type.varspace->stringvar_count; j++ )
+ varspace_varstring( n, type.varspace->stringvars[j] + string_offset );
+ string_offset += type.varspace->size;
+ }
+ token_back() ;
+ }
+ else
+ {
+ if ( basetype == TYPE_UNDEFINED )
+ {
+ basetype = TYPE_INT;
+ set_type( &type, basetype ) ;
+ }
+
+ if ( type.chunk[0].count == 0 ) compile_error( MSG_EXPECTED, "=" ) ;
+
+ for ( i = 0; i < total_count; i++ )
+ {
+ if ( basetype == TYPE_STRING ) varspace_varstring( n, data->current ) ;
+ segment_add_as( data, 0, basetype ) ;
+ }
+ token_back() ;
+ }
+ }
+ else if ( segm && token.type == IDENTIFIER && token.code == identifier_equal ) /* Compila una asignación de valores por defecto */
+ {
+ segment_add_from( data, segm ) ;
+ i = data->current ;
+ data->current = n->vars[n->count].offset ;
+ if ( !additive ) data->current += base_offset;
+ compile_struct_data( type.varspace, data, 1, 0 );
+ data->current = i ;
+
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_equal )
+ {
+ res = compile_expresion( 1, 0, 0, basetype ) ;
+
+ if ( basetype == TYPE_UNDEFINED )
+ {
+ basetype = typedef_base( res.type ) ;
+ if ( basetype == TYPE_UNDEFINED ) compile_error( MSG_INCOMP_TYPE ) ;
+ set_type( &type, basetype ) ;
+ }
+
+ if ( basetype == TYPE_FLOAT )
+ {
+ segment_add_as( data, *( int * )&res.fvalue, basetype ) ;
+ }
+ else
+ {
+ if ( basetype == TYPE_STRING ) varspace_varstring( n, data->current ) ;
+ segment_add_as( data, res.value, basetype ) ;
+ }
+
+ }
+ else if ( !segm ) /* Asigna valores por defecto (0) */
+ {
+ if ( basetype == TYPE_UNDEFINED )
+ {
+ basetype = TYPE_INT;
+ set_type( &type, basetype ) ;
+ }
+
+ if ( basetype == TYPE_STRING ) varspace_varstring( n, data->current ) ;
+ segment_add_as( data, 0, basetype ) ;
+ token_back() ;
+
+ }
+ else
+ {
+ if ( typedef_is_struct( type ) )
+ for ( i = 0 ; i < type.varspace->stringvar_count ; i++ )
+ varspace_varstring( n, type.varspace->stringvars[i] + n->size );
+ segment_add_from( data, segm ) ;
+ token_back() ;
+ }
+
+ n->size += typedef_size( type ) ;
+ n->vars[n->count].type = type ;
+
+ /* Variables tipo proceso, asigno varspace al tipo. Splinter */
+ if ( proc ) n->vars[n->count].type.varspace = proc->pubvars;
+
+ n->count++ ;
+
+ token_next() ;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_comma )
+ {
+ token_back() ;
+ continue ;
+ }
+
+ if ( token.type == IDENTIFIER && token.code == identifier_semicolon )
+ {
+ token_back() ;
+ continue ;
+ }
+
+ compile_error( MSG_EXPECTED, ";" ) ;
+ token_back() ;
+ break ;
+ }
+
+ if ( padding && ( data->current % padding ) > 0 )
+ {
+ padding -= data->current % padding;
+ data->current += padding;
+ n->size += padding;
+
+ if ( data->reserved <= data->current )
+ segment_alloc( data, data->reserved - data->current + 32 );
+ }
+
+ n->last_offset = data->current ;
+ total_length = data->current - base_offset ;
+
+ /* n->size *= copies ; */
+ while ( copies-- > 1 )
+ {
+ int i ;
+
+ for ( i = 0 ; i < n->stringvar_count ; i++ )
+ {
+ if ( n->stringvars[i] >= base_offset && n->stringvars[i] < base_offset + total_length )
+ {
+ varspace_varstring( n, n->stringvars[i] - base_offset + data->current ) ;
+ }
+ }
+
+ segment_copy( data, base_offset, total_length ) ;
+ base_offset += total_length ;
+ }
+
+ return total_length ;
+}
diff --git a/core/bgdc/src/c_debug.c b/core/bgdc/src/c_debug.c
new file mode 100644
index 0000000..75e3c32
--- /dev/null
+++ b/core/bgdc/src/c_debug.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef TARGET_BEOS
+#include <posix/assert.h>
+#else
+#include <assert.h>
+#endif
+
+#include "bgdc.h"
+
+/* ---------------------------------------------------------------------- */
+/* Este módulo contiene funciones que muestran el equivalente en texto de */
+/* una instrucción o mnemónico, o de un bloque de código completo */
+/* ---------------------------------------------------------------------- */
+
+void codeblock_dump (CODEBLOCK * c)
+{
+ int i, n, showdir ;
+ for (i = 0 ; i < c->current ; i += MN_PARAMS(c->data[i])+1)
+ {
+ showdir = 0 ;
+ for (n = 0 ; n < c->label_count ; n++)
+ {
+ if (c->labels[n] == i)
+ {
+ if (!showdir) printf ("\n") ;
+ printf ("Label %d:\n", n) ;
+ showdir = 1 ;
+ }
+ }
+ for (n = 1 ; n < c->loop_count ; n++)
+ {
+ if (c->loops[n*2] == i)
+ {
+ if (!showdir) printf ("\n") ;
+ printf("Start %d:\n", n) ;
+ showdir = 1 ;
+ }
+ if (c->loops[n*2+1] == i)
+ {
+ if (!showdir) printf ("\n") ;
+ printf("End %d:\n", n) ;
+ showdir = 1 ;
+ }
+ }
+ if (showdir) printf ("\n%d:\n", i) ;
+
+ printf ("\t") ;
+
+ mnemonic_dump (c->data[i], c->data[i+1] );
+
+ }
+ printf ("%d:\n", i) ;
+}
+
+/* ---------------------------------------------------------------------- */
diff --git a/core/bgdc/src/c_main.c b/core/bgdc/src/c_main.c
new file mode 100644
index 0000000..24e7c16
--- /dev/null
+++ b/core/bgdc/src/c_main.c
@@ -0,0 +1,1285 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <loadlib.h> /* Must be first include */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+
+#include "bgdc.h"
+
+#include <bgddl.h>
+
+/* ---------------------------------------------------------------------- */
+
+extern void token_dump() ;
+
+static char * import_filename = NULL;
+static int import_line = 0;
+
+int imports_aux[512] ; /* Modules */
+int nimports_aux = 0 ;
+int imports[512] ; /* Modules */
+int nimports = 0 ;
+
+/* ---------------------------------------------------------------------- */
+/* Módulo principal del compilador. Contiene código que inicializa los */
+/* identificadores conocidos, así como las funciones de compilado de */
+/* nivel más alto */
+/* ---------------------------------------------------------------------- */
+
+/* Tipos */
+int identifier_dword ;
+int identifier_word ;
+int identifier_byte ;
+int identifier_int ;
+int identifier_short ;
+int identifier_char ;
+int identifier_unsigned ;
+int identifier_signed ;
+int identifier_string ;
+int identifier_float ;
+int identifier_struct ;
+int identifier_type ;
+
+int identifier_declare ;
+
+int identifier_program ;
+int identifier_debug ;
+int identifier_begin ;
+int identifier_end ;
+int identifier_global ;
+int identifier_local ;
+int identifier_public ;
+int identifier_private ;
+int identifier_const ;
+int identifier_dup ;
+int identifier_from ;
+int identifier_step ;
+int identifier_to ;
+int identifier_if ;
+int identifier_else ;
+int identifier_elseif ;
+int identifier_for ;
+int identifier_while ;
+int identifier_frame ;
+int identifier_clone ;
+
+int identifier_yield ;
+
+int identifier_onexit ;
+int identifier_onerror ;
+
+int identifier_on ;
+int identifier_exit ;
+int identifier_error ;
+int identifier_resume ;
+int identifier_stm_next ;
+
+int identifier_jmp ;
+int identifier_call ;
+
+int identifier_switch ;
+int identifier_case ;
+int identifier_default ;
+int identifier_repeat ;
+int identifier_until ;
+int identifier_loop ;
+int identifier_break ;
+int identifier_continue ;
+int identifier_return ;
+int identifier_process ;
+int identifier_function ;
+int identifier_bandoffset ;
+int identifier_offset ;
+int identifier_sizeof ;
+int identifier_pointer ;
+
+int identifier_and ;
+int identifier_or ;
+int identifier_xor ;
+int identifier_not ;
+
+int identifier_band ;
+int identifier_bor ;
+int identifier_bxor ;
+int identifier_bnot ;
+
+int identifier_plus ;
+int identifier_minus ;
+int identifier_plusplus ;
+int identifier_minusminus ;
+int identifier_equal ;
+int identifier_multiply ;
+int identifier_mod ;
+int identifier_divide ;
+int identifier_semicolon ;
+int identifier_colon ;
+int identifier_comma ;
+int identifier_ror ;
+int identifier_rol ;
+int identifier_rightp ;
+int identifier_leftp ;
+int identifier_rightb ;
+int identifier_leftb ;
+int identifier_point ;
+int identifier_twopoints ;
+
+int identifier_eq ;
+int identifier_ne ;
+int identifier_gte ;
+int identifier_lte ;
+int identifier_lt ;
+int identifier_gt ;
+int identifier_question ;
+
+int identifier_plusequal ;
+int identifier_minusequal ;
+int identifier_multequal ;
+int identifier_divequal ;
+int identifier_modequal ;
+int identifier_orequal ;
+int identifier_xorequal ;
+int identifier_andequal ;
+int identifier_rorequal ;
+int identifier_rolequal ;
+int identifier_mouse ;
+int identifier_include ;
+
+int identifier_import ;
+int reserved_words ;
+int debug = 0 ;
+
+/* ---------------------------------------------------------------------- */
+
+void compile_init()
+{
+ /* Initialize reserved words */
+
+ identifier_dword = identifier_add( "DWORD" ) ;
+ identifier_word = identifier_add( "WORD" ) ;
+ identifier_byte = identifier_add( "BYTE" ) ;
+ identifier_int = identifier_add( "INT" ) ;
+ identifier_short = identifier_add( "SHORT" ) ;
+ identifier_char = identifier_add( "CHAR" ) ;
+ identifier_unsigned = identifier_add( "UNSIGNED" ) ;
+ identifier_signed = identifier_add( "SIGNED" ) ;
+ identifier_float = identifier_add( "FLOAT" ) ;
+ identifier_string = identifier_add( "STRING" ) ;
+ identifier_struct = identifier_add( "STRUCT" ) ;
+
+ identifier_declare = identifier_add( "DECLARE" ) ;
+
+ identifier_include = identifier_add( "INCLUDE" ) ;
+
+ identifier_program = identifier_add( "PROGRAM" ) ;
+ identifier_debug = identifier_add( "DEBUG" ) ;
+ identifier_const = identifier_add( "CONST" ) ;
+ identifier_begin = identifier_add( "BEGIN" ) ;
+ identifier_end = identifier_add( "END" ) ;
+ identifier_process = identifier_add( "PROCESS" ) ;
+ identifier_function = identifier_add( "FUNCTION" ) ;
+ identifier_global = identifier_add( "GLOBAL" ) ;
+ identifier_local = identifier_add( "LOCAL" ) ;
+ identifier_public = identifier_add( "PUBLIC" ) ;
+ identifier_private = identifier_add( "PRIVATE" ) ;
+ identifier_dup = identifier_add( "DUP" ) ;
+ identifier_from = identifier_add( "FROM" ) ;
+ identifier_to = identifier_add( "TO" ) ;
+ identifier_step = identifier_add( "STEP" ) ;
+ identifier_for = identifier_add( "FOR" ) ;
+ identifier_while = identifier_add( "WHILE" ) ;
+ identifier_repeat = identifier_add( "REPEAT" ) ;
+ identifier_until = identifier_add( "UNTIL" ) ;
+ identifier_switch = identifier_add( "SWITCH" ) ;
+ identifier_case = identifier_add( "CASE" ) ;
+ identifier_default = identifier_add( "DEFAULT" ) ;
+ identifier_loop = identifier_add( "LOOP" ) ;
+ identifier_break = identifier_add( "BREAK" ) ;
+ identifier_continue = identifier_add( "CONTINUE" ) ;
+ identifier_return = identifier_add( "RETURN" ) ;
+ identifier_if = identifier_add( "IF" ) ;
+ identifier_else = identifier_add( "ELSE" ) ;
+ identifier_elseif = identifier_add( "ELSEIF" ) ;
+ identifier_frame = identifier_add( "FRAME" ) ;
+ identifier_clone = identifier_add( "CLONE" ) ;
+
+ identifier_yield = identifier_add( "YIELD" ) ;
+
+ identifier_onexit = identifier_add( "ONEXIT" ) ;
+ identifier_onerror = identifier_add( "ONERROR" ) ;
+
+ identifier_on = identifier_add( "ON" ) ;
+ identifier_exit = identifier_add( "EXIT" ) ;
+ identifier_error = identifier_add( "ERROR" ) ;
+ identifier_resume = identifier_add( "RESUME" ) ;
+ identifier_stm_next = identifier_add( "NEXT" ) ;
+
+ identifier_jmp = identifier_add( "JMP" ) ;
+ identifier_add_as( "GOTO", identifier_jmp ) ;
+
+ identifier_call = identifier_add( "CALL" ) ;
+
+ identifier_and = identifier_add( "AND" );
+ identifier_or = identifier_add( "OR" );
+ identifier_xor = identifier_add( "XOR" );
+ identifier_not = identifier_add( "NOT" );
+
+ identifier_band = identifier_add( "BAND" );
+ identifier_bor = identifier_add( "BOR" );
+ identifier_bxor = identifier_add( "BXOR" );
+ identifier_bnot = identifier_add( "BNOT" );
+
+ identifier_sizeof = identifier_add( "SIZEOF" );
+ identifier_offset = identifier_add( "OFFSET" );
+ identifier_pointer = identifier_add( "POINTER" );
+ identifier_type = identifier_add( "TYPE" );
+
+ identifier_bandoffset = identifier_add( "&" );
+
+ identifier_add_as( "!", identifier_not ) ;
+ identifier_add_as( "&&", identifier_and ) ;
+ identifier_add_as( "||", identifier_or ) ;
+ identifier_add_as( "^^", identifier_xor ) ;
+
+ identifier_add_as( "~", identifier_bnot ) ;
+ identifier_add_as( "|", identifier_bor ) ;
+ identifier_add_as( "^", identifier_bxor ) ;
+
+ identifier_plus = identifier_add( "+" ) ;
+ identifier_minus = identifier_add( "-" ) ;
+ identifier_plusplus = identifier_add( "++" ) ;
+ identifier_minusminus = identifier_add( "--" ) ;
+ identifier_multiply = identifier_add( "*" ) ;
+ identifier_mod = identifier_add( "%" ) ;
+ identifier_divide = identifier_add( "/" ) ;
+ identifier_equal = identifier_add( "=" ) ;
+ identifier_semicolon = identifier_add( ";" ) ;
+ identifier_comma = identifier_add( "," ) ;
+ identifier_ror = identifier_add( ">>" ) ;
+ identifier_rol = identifier_add( "<<" ) ;
+ identifier_rightp = identifier_add( ")" ) ;
+ identifier_leftp = identifier_add( "(" ) ;
+ identifier_rightb = identifier_add( "]" ) ;
+ identifier_leftb = identifier_add( "[" ) ;
+ identifier_point = identifier_add( "." ) ;
+ identifier_twopoints = identifier_add( ".." ) ;
+ identifier_question = identifier_add( "?" ) ;
+
+ identifier_add_as( "MOD", identifier_mod ) ;
+ identifier_add_as( "ELIF", identifier_elseif );
+ identifier_add_as( "ELSIF", identifier_elseif );
+
+
+ identifier_colon = identifier_add( ":" ) ;
+
+ identifier_eq = identifier_add( "==" ) ;
+ identifier_ne = identifier_add( "!=" ) ;
+ identifier_gt = identifier_add( ">" ) ;
+ identifier_lt = identifier_add( "<" ) ;
+ identifier_gte = identifier_add( ">=" ) ;
+ identifier_lte = identifier_add( "<=" ) ;
+
+ identifier_add_as( "<>", identifier_ne ) ;
+ identifier_add_as( "=>", identifier_gte ) ;
+ identifier_add_as( "=<", identifier_lte ) ;
+
+ identifier_plusequal = identifier_add( "+=" ) ;
+ identifier_andequal = identifier_add( "&=" ) ;
+ identifier_xorequal = identifier_add( "^=" ) ;
+ identifier_orequal = identifier_add( "|=" ) ;
+ identifier_divequal = identifier_add( "/=" ) ;
+ identifier_modequal = identifier_add( "%=" ) ;
+ identifier_multequal = identifier_add( "*=" ) ;
+ identifier_minusequal = identifier_add( "-=" ) ;
+ identifier_rorequal = identifier_add( ">>=" ) ;
+ identifier_rolequal = identifier_add( "<<=" ) ;
+
+ identifier_import = identifier_add( "IMPORT" ) ;
+
+ reserved_words = identifier_next_code() ;
+
+ identifier_mouse = identifier_add( "MOUSE" ) ; /* Hack */
+
+ varspace_init( &global ) ;
+ varspace_init( &local ) ;
+ globaldata = segment_new() ;
+ localdata = segment_new() ;
+
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_error( const char *fmt, ... )
+{
+ char text[4000] ;
+ char * fname = ( import_filename ) ? import_filename : (( current_file != -1 && files[current_file] && *files[current_file] ) ? files[current_file] : NULL );
+
+ va_list ap;
+ va_start( ap, fmt );
+ vsprintf( text, fmt, ap );
+ va_end( ap );
+
+ fprintf( stdout, MSG_COMPILE_ERROR,
+ ( fname && ( fname[0] != '/' && fname[0] != '\\' && fname[1] != ':' ) ) ? main_path : "",
+ fname ? fname : "N/A",
+ ( import_filename ) ? import_line : line_count,
+ text ) ;
+ fprintf( stdout, " ( token error: " );
+ token_dump() ;
+ fprintf( stdout, " ).\n" );
+ exit( 2 ) ;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_warning( int notoken, const char *fmt, ... )
+{
+ char text[4000] ;
+ char * fname = ( import_filename ) ? import_filename : (( current_file != -1 && files[current_file] && *files[current_file] ) ? files[current_file] : NULL );
+
+ va_list ap;
+ va_start( ap, fmt );
+ vsprintf( text, fmt, ap );
+ va_end( ap );
+
+ fprintf( stdout, MSG_COMPILE_WARNING,
+ ( fname && ( fname[0] != '/' && fname[0] != '\\' && fname[1] != ':' ) ) ? main_path : "",
+ fname ? fname : "N/A",
+ ( import_filename ) ? import_line : line_count,
+ text ) ;
+ if ( !notoken )
+ {
+ fprintf( stdout, " ( token warning: " );
+ token_dump() ;
+ fprintf( stdout, " ).\n" );
+ } else {
+ fprintf( stdout, ".\n" );
+ }
+
+}
+
+/* ---------------------------------------------------------------------- */
+
+static char * trim( char * ptr )
+{
+ char * ostr = ptr;
+ char * bptr = ptr;
+
+ while ( *ptr == ' ' || *ptr == '\n' || *ptr == '\r' || *ptr == '\t' ) ptr++;
+
+ while ( *ptr ) *bptr++ = *ptr++;
+
+ while ( bptr > ostr && ( bptr[-1] == ' ' || bptr[-1] == '\n' || bptr[-1] == '\r' || bptr[-1] == '\t' ) ) bptr--;
+
+ *bptr = 0;
+
+ return ( ostr );
+}
+
+/* ---------------------------------------------------------------------- */
+
+static int import_exists( char * libname )
+{
+ int n;
+ for ( n = 0; n < nimports_aux; n++ ) if ( !strcmp( libname, string_get( imports_aux[n] ) ) ) return n;
+ return -1;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_type()
+{
+ int code;
+ segment * s = segment_new() ;
+ VARSPACE * v = varspace_new() ;
+ TYPEDEF t = typedef_new( TYPE_STRUCT );
+
+ t.chunk[0].count = 1 ;
+
+ token_next() ;
+ if (( code = token.code ) < reserved_words || token.type != IDENTIFIER ) compile_error( MSG_INVALID_TYPE ) ;
+
+ t.varspace = v ;
+ typedef_name( t, code ) ;
+ segment_name( s, code ) ;
+
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ compile_varspace( v, s, 0, 1, 0, NULL, 0, 0 ) ;
+ if ( token.code != identifier_end ) compile_error( MSG_NO_END ) ;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static char * modules_exts[] =
+{
+ ".dll",
+ ".dylib",
+ ".so",
+ NULL
+} ;
+
+static char * dlsearchpath[] =
+{
+ "modules",
+ "mod",
+ "mods",
+ "extensions",
+ "plugins",
+ "data",
+ NULL
+};
+
+static void import_module( const char * filename )
+{
+ int libid ;
+ void * library = NULL;
+
+ char ** globals_def = NULL;
+ char ** locals_def = NULL;
+ DLCONSTANT * constants_def = NULL;
+ DLSYSFUNCS * functions_exports = NULL;
+ char ** modules_dependency = NULL;
+ char ** types_def = NULL;
+
+ char soname[ __MAX_PATH ], fullsoname[ __MAX_PATH ], **spath ;
+ char * ptr;
+ char ** pex;
+
+#if defined( WIN32 )
+#define DLLEXT ".dll"
+#elif defined(TARGET_MAC)
+#define DLLEXT ".dylib"
+#else
+#define DLLEXT ".so"
+#endif
+
+ strncpy( soname, filename, sizeof( soname ) );
+
+ for ( ptr = soname; *ptr; ptr++ )
+ {
+ if ( *ptr == PATH_CHAR_SEP ) *ptr = PATH_CHAR_ISEP ;
+ else *ptr = TOLOWER( *ptr );
+ }
+
+ pex = modules_exts;
+ while ( pex && * pex )
+ {
+ int nlen = strlen( soname );
+ int elen = strlen( *pex );
+ if ( nlen > elen && strcmp( &soname[nlen - elen], *pex ) == 0 )
+ {
+ soname[nlen - elen] = '\0' ;
+ pex = modules_exts;
+ }
+ else
+ {
+ pex++;
+ }
+ }
+
+ if ( import_exists(( char * )soname ) != -1 ) return;
+
+ filename = soname;
+ libid = string_new( soname );
+
+ imports_aux[nimports_aux++] = libid;
+
+ strcat( soname, DLLEXT );
+
+ fullsoname[0] = '\0';
+
+ spath = dlsearchpath;
+ while( !library && spath && *spath )
+ {
+ sprintf( fullsoname, "%s%s/%s", appexepath, *spath, filename );
+ library = dlibopen( fullsoname ) ;
+ spath++;
+ }
+
+ if ( !library ) library = dlibopen( filename ) ;
+
+ if ( !library ) compile_error( MSG_LIBRARY_NOT_FOUND, filename ) ;
+
+ modules_dependency = ( char ** ) _dlibaddr( library, "modules_dependency" ) ;
+
+ if ( modules_dependency )
+ {
+ char * old_import_filename = import_filename;
+ while ( *modules_dependency )
+ {
+ if ( import_exists( *modules_dependency ) == -1 )
+ {
+ import_filename = *modules_dependency ;
+ import_module( *modules_dependency );
+ import_filename = NULL ;
+ }
+ modules_dependency++;
+ }
+ import_filename = old_import_filename;
+ }
+
+ imports[nimports++] = libid;
+
+ constants_def = ( DLCONSTANT * ) _dlibaddr( library, "constants_def" ) ;
+ if ( constants_def )
+ {
+ while ( constants_def->name )
+ {
+ int code = identifier_search_or_add( constants_def->name ) ;
+ constants_add( code, typedef_new( constants_def->type ), constants_def->code ) ;
+ constants_def++ ;
+ }
+ }
+
+ types_def = ( char ** ) _dlibaddr( library, "types_def" ) ;
+ if ( types_def && *types_def )
+ {
+ token_init( *types_def, -1 ) ;
+ token_next();
+ while ( token.type == IDENTIFIER && token.code == identifier_type )
+ {
+ compile_type() ;
+ token_next();
+ }
+ }
+
+ globals_def = ( char ** ) _dlibaddr( library, "globals_def" ) ;
+ if ( globals_def && *globals_def )
+ {
+ VARSPACE * v[] = {&local, NULL};
+ token_init( *globals_def, -1 ) ;
+ compile_varspace( &global, globaldata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 1 ) ;
+ }
+
+ locals_def = ( char ** ) _dlibaddr( library, "locals_def" ) ;
+ if ( locals_def && *locals_def )
+ {
+ VARSPACE * v[] = {&global, NULL};
+
+ token_init( *locals_def, -1 ) ;
+ compile_varspace( &local, localdata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 1 ) ;
+ }
+
+ functions_exports = ( DLSYSFUNCS * ) _dlibaddr( library, "functions_exports" ) ;
+ if ( functions_exports )
+ {
+ while ( functions_exports->name )
+ {
+ sysproc_add( functions_exports->name, functions_exports->paramtypes, functions_exports->type, functions_exports->func );
+ functions_exports++;
+ }
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+void import_files( char * filename )
+{
+ file * fp = file_open( filename, "rb0" );
+ char libname[__MAX_PATH];
+
+ if ( !fp ) return;
+
+ import_line = 0;
+
+ while ( !file_eof( fp ) )
+ {
+ import_line++;
+ if ( !file_gets( fp, libname, sizeof( libname ) ) ) break;
+ trim( libname );
+ if ( *libname == '\0' ) continue;
+ if ( import_exists( libname ) != -1 ) continue;
+ import_filename = filename ;
+ import_module( libname );
+ import_filename = NULL ;
+ }
+
+ file_close( fp );
+}
+
+/* ---------------------------------------------------------------------- */
+
+void import_mod( char * libname )
+{
+ import_line = 0;
+ if ( import_exists( libname ) != -1 ) return;
+ import_filename = libname ;
+ import_module( libname );
+ import_filename = NULL ;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_import( void )
+{
+ no_include_this_file = 1;
+
+ token_next() ;
+ if ( token.type != STRING ) compile_error( MSG_STRING_EXP ) ;
+
+ import_module( string_get( token.code ) );
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_constants()
+{
+ int code;
+ expresion_result res;
+
+ for ( ;; )
+ {
+ token_next() ;
+ if ( token.type == NOTOKEN ) break ;
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_CONSTANT_NAME_EXP ) ;
+
+ if ( token.code == identifier_semicolon ) continue ;
+
+ if ( token.code == identifier_begin ||
+ token.code == identifier_local ||
+ token.code == identifier_public ||
+ token.code == identifier_private ||
+ token.code == identifier_global )
+ {
+ token_back() ;
+ return ;
+ }
+
+ if ( token.code == identifier_end ) return ;
+
+ if ( token.code < reserved_words ) compile_error( MSG_INVALID_IDENTIFIER );
+
+ code = token.code ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_equal ) compile_error( MSG_EXPECTED, "=" ) ;
+
+ res = compile_expresion( 1, 0, 0, 0 ) ;
+ if ( !typedef_is_float( res.type ) && !typedef_is_string( res.type ) && !typedef_is_integer( res.type ) ) compile_error( MSG_INVALID_TYPE );
+
+ constants_add( code, res.type, typedef_base( res.type ) == TYPE_FLOAT ? *( int * )&res.fvalue : res.value ) ;
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_semicolon ) continue ;
+
+ compile_error( MSG_EXPECTED, ";" ) ;
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_process()
+{
+ PROCDEF * proc, * external_proc ;
+ VARIABLE * var ;
+ int is_declare = 0 ;
+ int is_function = 0 ;
+ int type_implicit = 1;
+ int code, tcode, params ;
+ BASETYPE type, typeb ;
+ TYPEDEF ctype, ctypeb ;
+
+ int signed_prefix = 0;
+ int unsigned_prefix = 0;
+
+ tcode = token.code ;
+
+ if ( tcode == identifier_declare ) /* Es una declaracion? */
+ {
+ is_declare = 1;
+ token_next() ;
+ tcode = token.code;
+ }
+
+ /* Es funcion? */
+ if ( tcode == identifier_function ) is_function = 1;
+
+ if (( tcode == identifier_process || tcode == identifier_function ) ) /* Si proceso o funcion, obtengo el signo */
+ {
+ token_next() ;
+ tcode = token.code;
+ }
+
+ if ( token.code == identifier_signed ) /* signed */
+ {
+ signed_prefix = 1;
+ token_next();
+ tcode = token.code;
+ }
+ else if ( token.code == identifier_unsigned ) /* unsigned */
+ {
+ unsigned_prefix = 1;
+ token_next();
+ tcode = token.code;
+ }
+
+ if ( segment_by_name( token.code ) ) /* Nombre del Segmento al que pertenece */
+ {
+ tcode = identifier_pointer ;
+ token_next() ;
+ }
+
+ if ( identifier_is_basic_type( token.code ) ) /* Salto identificador de tipo basico */
+ {
+ tcode = token.code ;
+ token_next();
+ }
+
+ while ( token.code == identifier_pointer || token.code == identifier_multiply ) /* Salto el indentificador POINTER */
+ {
+ tcode = token.code ;
+ token_next() ;
+ }
+
+ /* Check if the process name is valid */
+
+ if ( token.type != IDENTIFIER || token.code < reserved_words ) compile_error( MSG_PROCNAME_EXP ) ;
+
+ code = token.code ;
+
+ /* Create the process if it is not defined already */
+ proc = procdef_search( code ) ;
+ if ( !proc ) proc = procdef_new( procdef_getid(), code ) ;
+ else if ( proc->defined ) compile_error( MSG_PROC_ALREADY_DEFINED );
+ else if ( is_declare && proc->declared ) compile_error( MSG_PROC_ALREADY_DECLARED );
+
+ /* is declaration? */
+ if ( !is_declare ) proc->defined = 1 ;
+
+ /* is a function? */
+ if ( is_function )
+ {
+ if ( is_declare && proc->declared && !( proc->flags & PROC_FUNCTION ) ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->flags |= PROC_FUNCTION;
+ }
+
+ /* Get function/process return type */
+
+ if ( tcode == identifier_float )
+ {
+ if ( is_declare && proc->declared && proc->type != TYPE_FLOAT ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = TYPE_FLOAT ;
+ }
+
+ if ( tcode == identifier_string )
+ {
+ if ( is_declare && proc->declared && proc->type != TYPE_STRING ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = TYPE_STRING ;
+ }
+
+ if ( tcode == identifier_word )
+ {
+ if ( is_declare && proc->declared && proc->type != ( signed_prefix ? TYPE_SHORT : TYPE_WORD ) ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = signed_prefix ? TYPE_SHORT : TYPE_WORD;
+ signed_prefix = unsigned_prefix = 0;
+ }
+
+ if ( tcode == identifier_dword )
+ {
+ if ( is_declare && proc->declared && proc->type != ( signed_prefix ? TYPE_INT : TYPE_DWORD ) ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = signed_prefix ? TYPE_INT : TYPE_DWORD;
+ signed_prefix = unsigned_prefix = 0;
+ }
+
+ if ( tcode == identifier_byte )
+ {
+ if ( is_declare && proc->declared && proc->type != ( signed_prefix ? TYPE_SBYTE : TYPE_BYTE ) ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = signed_prefix ? TYPE_SBYTE : TYPE_BYTE;
+ signed_prefix = unsigned_prefix = 0;
+ }
+
+ if ( tcode == identifier_int )
+ {
+ if ( is_declare && proc->declared && proc->type != ( unsigned_prefix ? TYPE_DWORD : TYPE_INT ) ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = unsigned_prefix ? TYPE_DWORD : TYPE_INT;
+ signed_prefix = unsigned_prefix = 0;
+ }
+
+ if ( tcode == identifier_short )
+ {
+ if ( is_declare && proc->declared && proc->type != ( unsigned_prefix ? TYPE_WORD : TYPE_SHORT ) ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = unsigned_prefix ? TYPE_WORD : TYPE_SHORT;
+ signed_prefix = unsigned_prefix = 0;
+ }
+
+ if ( tcode == identifier_char )
+ {
+ if ( is_declare && proc->declared && proc->type != TYPE_CHAR ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = TYPE_CHAR;
+ }
+
+ if ( tcode == identifier_pointer || tcode == identifier_multiply )
+ {
+ if ( is_declare && proc->declared && proc->type != TYPE_POINTER ) compile_error( MSG_PROTO_ERROR ) ;
+ proc->type = TYPE_POINTER ;
+ }
+
+ if ( signed_prefix || unsigned_prefix ) compile_error( MSG_INVALID_TYPE );
+
+ /* Parse the process parameters */
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) compile_error( MSG_EXPECTED, "(" ) ;
+
+ token_next() ;
+
+ params = 0 ;
+ type = TYPE_INT;
+ typeb = TYPE_INT;
+ type_implicit = 1;
+ ctype = typedef_new( type ) ;
+ ctypeb = ctype ;
+ signed_prefix = unsigned_prefix = 0;
+ external_proc = NULL;
+
+ while ( token.type != IDENTIFIER || token.code != identifier_rightp )
+ {
+ type = typeb;
+ ctype = ctypeb;
+
+ /* Recogo signo del parametro */
+ if ( token.type == IDENTIFIER && token.code == identifier_unsigned )
+ {
+ unsigned_prefix = 1;
+ token_next();
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_signed )
+ {
+ signed_prefix = 1;
+ token_next();
+ }
+
+ /* Recogo tipo del parametro */
+ if ( token.type == IDENTIFIER && token.code == identifier_dword )
+ {
+ type_implicit = 0;
+ type = signed_prefix ? TYPE_INT : TYPE_DWORD;
+ unsigned_prefix = signed_prefix = 0;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_int )
+ {
+ type_implicit = 0;
+ type = unsigned_prefix ? TYPE_DWORD : TYPE_INT;
+ unsigned_prefix = signed_prefix = 0;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_word )
+ {
+ type_implicit = 0;
+ type = signed_prefix ? TYPE_SHORT : TYPE_WORD ;
+ unsigned_prefix = signed_prefix = 0;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_short )
+ {
+ type_implicit = 0;
+ type = unsigned_prefix ? TYPE_WORD : TYPE_SHORT;
+ unsigned_prefix = signed_prefix = 0;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_byte )
+ {
+ type_implicit = 0;
+ type = signed_prefix ? TYPE_SBYTE : TYPE_BYTE ;
+ unsigned_prefix = signed_prefix = 0;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_char )
+ {
+ type_implicit = 0;
+ type = TYPE_CHAR ;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_string )
+ {
+ type_implicit = 0;
+ type = TYPE_STRING ;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_float )
+ {
+ type_implicit = 0;
+ type = TYPE_FLOAT ;
+ ctype = typedef_new( type ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( token.type == IDENTIFIER && segment_by_name( token.code ) )
+ {
+ type_implicit = 0;
+ type = TYPE_STRUCT ;
+ ctype = *typedef_by_name( token.code ) ;
+ external_proc = NULL;
+ token_next() ;
+ }
+ else if ( !external_proc && ( external_proc = procdef_search( token.code ) ) ) /* Variables tipo proceso, Splinter */
+ {
+ type_implicit = 0;
+ type = TYPE_INT ;
+ ctype = typedef_new( type ) ;
+ token_next();
+ }
+
+ if ( signed_prefix || unsigned_prefix )
+ {
+ compile_error( MSG_INVALID_TYPE );
+ signed_prefix = unsigned_prefix = 0;
+ }
+
+ typeb = type;
+ ctypeb = ctype;
+
+ while ( token.type == IDENTIFIER && ( token.code == identifier_pointer || token.code == identifier_multiply ) )
+ {
+ type_implicit = 0;
+ type = TYPE_POINTER ;
+ ctype = typedef_pointer( ctype ) ;
+ token_next() ;
+ }
+
+ if ( type == TYPE_STRUCT )
+ {
+ type_implicit = 0;
+ type = TYPE_POINTER ;
+ ctype = typedef_pointer( ctype ) ;
+ }
+
+ if ( token.type != IDENTIFIER || token.code < reserved_words ) compile_error( MSG_INVALID_PARAM ) ;
+
+ if ( constants_search( token.code ) ) compile_error( MSG_CONSTANT_REDECLARED_AS_VARIABLE ) ;
+
+ /* Check if the process was used before declared */
+ if ( !proc->declared )
+ {
+ var = varspace_search( &local, token.code ) ;
+ if ( var )
+ {
+ /* El parámetro es en realidad un local */
+ if ( type_implicit )
+ {
+ type = typedef_base( var->type );
+ ctype = var->type;
+ }
+ if ( typedef_base( var->type ) != type )
+ {
+ if ( typedef_is_integer( var->type ) && typedef_is_integer( typedef_new( type ) ) )
+ {
+ /*
+ A parameter was used before the process is declared. The
+ data type declared is different from the data type used,
+ but both are integers. The error is ignored, but no
+ conversion is done. This can lead to type conversion issues.
+ */
+ }
+ else
+ compile_error( MSG_INVALID_PARAMT ) ;
+ }
+ codeblock_add( &proc->code, MN_LOCAL, var->offset ) ;
+ codeblock_add( &proc->code, MN_PRIVATE, proc->pridata->current ) ;
+ codeblock_add( &proc->code, MN_PTR, 0 ) ;
+
+ if ( typedef_base( var->type ) == TYPE_STRING ) codeblock_add( &proc->code, MN_LET | MN_STRING, 0 ) ;
+ else codeblock_add( &proc->code, MN_LET, 0 ) ;
+
+ codeblock_add( &proc->code, MN_POP, 0 ) ;
+
+ if ( proc->privars->reserved == proc->privars->count ) varspace_alloc( proc->privars, 16 ) ;
+
+ proc->privars->vars[proc->privars->count].type = typedef_new( TYPE_DWORD );
+ proc->privars->vars[proc->privars->count].offset = proc->pridata->current ;
+ proc->privars->vars[proc->privars->count].code = -1 ;
+
+ proc->privars->count++ ;
+
+ segment_add_dword( proc->pridata, 0 ) ;
+ }
+ else
+ {
+ var = varspace_search( &global, token.code );
+ if ( var )
+ {
+ /* El parámetro es en realidad un global */
+ if ( type_implicit )
+ {
+ type = typedef_base( var->type );
+ ctype = var->type;
+ }
+
+ if ( typedef_base( var->type ) != type ) compile_error( MSG_INVALID_PARAMT ) ;
+
+ codeblock_add( &proc->code, MN_GLOBAL, var->offset ) ;
+ codeblock_add( &proc->code, MN_PRIVATE, proc->pridata->current ) ;
+ codeblock_add( &proc->code, MN_PTR, 0 ) ;
+
+ if ( typedef_base( var->type ) == TYPE_STRING ) codeblock_add( &proc->code, MN_LET | MN_STRING, 0 ) ;
+ else codeblock_add( &proc->code, MN_LET, 0 ) ;
+
+ codeblock_add( &proc->code, MN_POP, 0 ) ;
+
+ if ( proc->privars->reserved == proc->privars->count ) varspace_alloc( proc->privars, 16 ) ;
+
+ proc->privars->vars[proc->privars->count].type = typedef_new( TYPE_DWORD );
+ proc->privars->vars[proc->privars->count].offset = proc->pridata->current ;
+ proc->privars->vars[proc->privars->count].code = -1 ;
+
+ proc->privars->count++ ;
+
+ segment_add_dword( proc->pridata, 0 ) ;
+ }
+ else
+ {
+ /* Crear la variable privada */
+ if ( proc->privars->reserved == proc->privars->count ) varspace_alloc( proc->privars, 16 ) ;
+
+ if ( type == TYPE_STRING ) varspace_varstring( proc->privars, proc->pridata->current ) ;
+
+ proc->privars->vars[proc->privars->count].type = ctype;
+ proc->privars->vars[proc->privars->count].offset = proc->pridata->current ;
+ proc->privars->vars[proc->privars->count].code = token.code ;
+ if ( external_proc ) proc->privars->vars[proc->privars->count].type.varspace = external_proc->pubvars;
+
+ proc->privars->count++ ;
+
+ segment_add_dword( proc->pridata, 0 ) ;
+ }
+ }
+ }
+ else
+ {
+ if ( proc->paramtype[params] != type || proc->paramname[params] != token.code ) compile_error( MSG_PROTO_ERROR );
+ }
+
+ if ( proc->params != -1 )
+ {
+ /* El proceso fue usado previamente */
+
+ if ( proc->paramtype[params] == TYPE_UNDEFINED ) proc->paramtype[params] = type ;
+ else if (( proc->paramtype[params] == TYPE_DWORD || proc->paramtype[params] == TYPE_INT ) &&
+ ( type == TYPE_DWORD ||
+ type == TYPE_INT ||
+ type == TYPE_BYTE ||
+ type == TYPE_WORD ||
+ type == TYPE_SHORT ||
+ type == TYPE_SBYTE
+ ) ) proc->paramtype[params] = type ;
+ else if ( type == TYPE_DWORD && ( proc->paramtype[params] == TYPE_BYTE || proc->paramtype[params] == TYPE_WORD ) ) proc->paramtype[params] = type ;
+ else if ( proc->paramtype[params] != type ) compile_error( MSG_INVALID_PARAMT ) ;
+ }
+ else proc->paramtype[params] = type;
+
+ proc->paramname[params] = token.code;
+
+ params++ ;
+
+ if ( params == MAX_PARAMS ) compile_error( MSG_TOO_MANY_PARAMS ) ;
+
+ token_next() ;
+// if ( token.type == IDENTIFIER && token.code == identifier_comma ) token_next() ;
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code != identifier_rightp && token.code != identifier_comma ) compile_error( MSG_EXPECTED, "," );
+ if ( token.code == identifier_comma ) token_next() ;
+ }
+
+ } /* END while (token.type != IDENTIFIER || token.code != identifier_rightp) */
+
+ if ( proc->params == -1 ) proc->params = params ;
+ else if ( proc->params != params ) compile_error( MSG_INCORRECT_PARAMC, identifier_name( code ), proc->params ) ;
+
+ token_next() ;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_semicolon ) token_next() ;
+
+ /* Compile LOCAL/PRIVATE/PUBLIC sections on process/function.
+ NOTE: LOCAL section here considere as PUBLIC section */
+
+ while ( token.type == IDENTIFIER && (
+ token.code == identifier_local ||
+ token.code == identifier_public ||
+ token.code == identifier_private ) )
+ {
+ if (( !proc->declared ) && ( token.code == identifier_local || token.code == identifier_public ) )
+ {
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ /* Ahora las declaraciones locales, son solo locales al proceso, pero visibles desde todo proceso */
+ /* Se permite declarar local/publica una variable que haya sido declarada global, es una variable propia, no es la global */
+ VARSPACE * v[] = {&local, proc->privars, NULL};
+ compile_varspace( proc->pubvars, proc->pubdata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 0 ) ;
+ }
+ else if ( token.code == identifier_private )
+ {
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ /* Se permite declarar privada una variable que haya sido declarada global, es una variable propia, no es la global */
+ VARSPACE * v[] = {&local, proc->pubvars, NULL};
+ compile_varspace( proc->privars, proc->pridata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 0 ) ;
+ }
+
+ token_next() ;
+ }
+
+ /* Gestiona procesos cuyos parámetros son variables locales */
+
+ if ( !is_declare )
+ {
+ if ( token.type != IDENTIFIER || token.code != identifier_begin ) compile_error( MSG_NO_BEGIN ) ;
+
+ compile_block( proc ) ;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_else ) compile_error( MSG_ELSE_WOUT_IF ) ;
+ }
+
+ if ( token.type != IDENTIFIER || token.code != identifier_end ) compile_error( MSG_NO_END ) ;
+
+ if ( !is_declare ) codeblock_add( &proc->code, MN_END, 0 ) ;
+
+ proc->declared = 1 ;
+
+}
+
+/* ---------------------------------------------------------------------- */
+
+void compile_program()
+{
+ /* Ahora lo del program es opcional :-P */
+
+ token_next() ;
+ if ( token.type == IDENTIFIER && token.code == identifier_program )
+ {
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code < reserved_words ) compile_error( MSG_PROGRAM_NAME_EXP ) ;
+
+ token_next() ;
+ if ( token.type != IDENTIFIER || token.code != identifier_semicolon ) compile_error( MSG_EXPECTED, ";" ) ;
+ }
+ else token_back() ;
+
+ for ( ;; )
+ {
+ token_next() ;
+
+ while ( token.type == IDENTIFIER && token.code == identifier_semicolon ) token_next() ;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_import ) compile_import() ;
+ else if ( token.type == IDENTIFIER && token.code == identifier_const ) compile_constants() ;
+ else if ( token.type == IDENTIFIER && token.code == identifier_local )
+ {
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ VARSPACE * v[] = { &global, NULL };
+ compile_varspace( &local, localdata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 0 ) ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_global )
+ {
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ VARSPACE * v[] = { &local, NULL };
+ compile_varspace( &global, globaldata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 0 ) ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_private )
+ {
+ /* (2006/11/19 19:34 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ VARSPACE * v[] = { &local, &global, NULL };
+ compile_varspace( mainproc->privars, mainproc->pridata, 1, 1, 0, v, DEFAULT_ALIGNMENT, 0 ) ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_begin )
+ {
+ if ( mainproc->defined )
+ {
+ /* Hack para poder redefinir el proceso principal */
+ mainproc->code.current -= 1 ;
+ }
+
+ mainproc->defined = 1 ;
+
+ compile_block( mainproc ) ;
+
+ if ( token.type == IDENTIFIER && token.code == identifier_else ) compile_error( MSG_ELSE_WOUT_IF ) ;
+
+ if ( token.type != IDENTIFIER || token.code != identifier_end ) compile_error( MSG_NO_END ) ;
+
+ codeblock_add( &mainproc->code, MN_END, 0 ) ;
+ }
+ else if ( token.type == IDENTIFIER && token.code == identifier_type ) compile_type(); /* Tipo de dato definido por el usuario */
+ else if ( token.type == IDENTIFIER &&
+ (
+ token.code == identifier_process ||
+ token.code == identifier_function ||
+ token.code == identifier_declare ||
+ identifier_is_basic_type( token.type )
+ ) ) compile_process() ; /* Definición de proceso */
+ else if ( segment_by_name( token.code ) ) compile_process() ;
+ else break ;
+ }
+
+ if ( global.count && debug )
+ {
+ printf( "\n---- Global variables\n\n" ) ;
+ varspace_dump( &global, 0 ) ;
+ }
+
+ if ( local.count && debug )
+ {
+ printf( "\n---- Local variables\n\n" ) ;
+ varspace_dump( &local, 0 ) ;
+ /* segment_dump (localdata) ; */
+ }
+
+ if ( token.type != NOTOKEN ) compile_error( MSG_UNEXPECTED_TOKEN ) ;
+
+ program_postprocess() ;
+
+ if ( debug ) program_dumpprocesses() ;
+
+ if ( !libmode && !mainproc->defined ) compile_error( MSG_NO_MAIN ) ;
+
+ if ( debug )
+ {
+ identifier_dump() ;
+ string_dump( NULL ) ;
+ }
+}
+
+/* ---------------------------------------------------------------------- */
diff --git a/core/bgdc/src/codeblock.c b/core/bgdc/src/codeblock.c
new file mode 100644
index 0000000..d99808f
--- /dev/null
+++ b/core/bgdc/src/codeblock.c
@@ -0,0 +1,426 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "bgdc.h"
+
+/*
+ * FUNCTION : codeblock_postprocess
+ *
+ * After every codeblock has been completed (all the source code is
+ * compiled), update a codeblock with all things that couldn't be
+ * done before. This function does the following:
+ *
+ * - Updates all user procedure/function calls with the process
+ * number instead of its identifier id. Emits a compiler error
+ * if a process what user but never defined.
+ *
+ * - Updates all jumps so that they go to absolute opcode offsets
+ * inside the procedure, instead of refering to the label table
+ *
+ * This function will be called once for each existing code block.
+ *
+ * PARAMS :
+ * code Pointer to the codeblock to modify
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void codeblock_postprocess (CODEBLOCK * code)
+{
+ int * ptr = code->data ;
+ PROCDEF * proc, * my = procdef_search_by_codeblock( code ) ;
+
+ while (ptr < code->data + code->current)
+ {
+ if ( !libmode && ( *ptr == MN_CALL || *ptr == MN_PROC || *ptr == MN_TYPE ))
+ {
+ proc = procdef_search(ptr[1]) ;
+ if (!proc || !proc->defined)
+ {
+ token.type = IDENTIFIER ;
+ token.code = ptr[1] ;
+ /* Patch so linecount gets right */
+ line_count = identifier_line(token.code) ;
+ current_file = identifier_file(token.code) ;
+ compile_error (MSG_UNDEFINED_PROC) ;
+ }
+ ptr[1] = proc->typeid ;
+ }
+ if ( !my->imported )
+ {
+ if (*ptr == MN_JUMP || *ptr == MN_NCALL ||
+ *ptr == MN_JFALSE || *ptr == MN_JTFALSE ||
+ *ptr == MN_JTRUE || *ptr == MN_JTTRUE ||
+ *ptr == MN_JNOCASE || *ptr == MN_CLONE ||
+ *ptr == MN_EXITHNDLR || *ptr == MN_ERRHNDLR
+ )
+ {
+ ptr++ ;
+ if (*ptr == -1)
+ {
+// *ptr = 0;
+ ptr++;
+ continue;
+ }
+ if (code->labels[*ptr] == -1)
+ {
+ token.type = LABEL ;
+ token.code = code->labelsextra[*ptr].name ;
+ /* Patch so linecount gets right */
+ line_count = code->labelsextra[*ptr].line ;
+ current_file = code->labelsextra[*ptr].file ;
+ compile_error ("Undefined label") ;
+ }
+ *ptr = code->labels[*ptr] ;
+ ptr++ ;
+ continue ;
+ }
+ if (*ptr == MN_REFALSE)
+ {
+ *ptr++ = MN_JFALSE ;
+ *ptr = code->loops[*ptr*2] ;
+ ptr++ ;
+ continue ;
+ }
+ if (*ptr == MN_REPEAT || *ptr == MN_RETRUE)
+ {
+ *ptr = (*ptr == MN_REPEAT ? MN_JUMP : MN_JTRUE) ;
+ ptr++ ;
+ *ptr = code->loops[*ptr*2] ;
+ ptr++ ;
+ continue ;
+ }
+ if (*ptr == MN_BREAK || *ptr == MN_BRFALSE)
+ {
+ *ptr = (*ptr == MN_BREAK ? MN_JUMP : MN_JFALSE) ;
+ ptr++ ;
+ *ptr = code->loops[*ptr*2 + 1] ;
+ ptr++ ;
+ continue ;
+ }
+ }
+ ptr+=MN_PARAMS(*ptr)+1 ;
+ }
+}
+
+/*
+ * FUNCTION : codeblock_init
+ *
+ * Initializes a new code block and allocates initial data
+ * for all its internal structs.
+ *
+ * PARAMS :
+ * c Pointer to the codeblock to initialize
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void codeblock_init(CODEBLOCK * c)
+{
+ c->data = (int *) calloc (64, sizeof(int)) ;
+ c->reserved = 64 ;
+
+ c->loops = (int *) calloc (16, sizeof(int)) ;
+ c->loop_reserved = 8 ;
+ c->loop_count = 1 ;
+ c->loop_active = 0 ;
+
+ c->labels = (int *) calloc (16, sizeof(int)) ;
+ c->labelsextra = (struct _labelsextra *) calloc (16, sizeof(struct _labelsextra)) ;
+ c->label_count = 0 ;
+ c->label_reserved = 16 ;
+
+ c->current = 0 ;
+ c->previous = 0 ;
+ c->previous2 = 0 ;
+
+ if (!c->data || !c->loops || !c->labels || !c->labelsextra)
+ {
+ fprintf (stdout, "CODEBLOCK: out of memory\n") ;
+ exit (1) ;
+ }
+}
+
+/*
+ * FUNCTION : codeblock_alloc
+ * codeblock_loop_alloc
+ * codeblock_label_alloc
+ *
+ * Internal functions that alloc more memory for an
+ * internal data of the code block. Shouldn't be used
+ * outside this module.
+ *
+ * PARAMS :
+ * c Pointer to the codeblock
+ * count Additional size in number of members
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void codeblock_alloc (CODEBLOCK * c, int count)
+{
+ c->reserved += count ;
+ c->data = (int *) realloc (c->data, c->reserved * sizeof(int)) ;
+ if (!c->data)
+ {
+ fprintf (stdout, "CODEBLOCK: out of memory\n") ;
+ exit (1) ;
+ }
+}
+
+static void codeblock_loop_alloc (CODEBLOCK * c, int count)
+{
+ c->loop_reserved += count ;
+ c->loops = (int *) realloc (c->loops, c->loop_reserved * sizeof(int) * 2) ;
+ if (!c->loops)
+ {
+ fprintf (stdout, "CODEBLOCK: out of memory\n") ;
+ exit (1) ;
+ }
+}
+
+static void codeblock_label_alloc (CODEBLOCK * c, int count)
+{
+ c->label_reserved += count ;
+ c->labels = (int *) realloc (c->labels, c->label_reserved * sizeof(int)) ;
+ c->labelsextra = (struct _labelsextra *) realloc (c->labelsextra, c->label_reserved * sizeof(struct _labelsextra)) ;
+ if (!c->labels)
+ {
+ fprintf (stdout, "CODEBLOCK: out of memory\n") ;
+ exit (1) ;
+ }
+}
+
+int codeblock_loop_add (CODEBLOCK * c)
+{
+ return c->loop_count++ ;
+}
+
+void codeblock_loop_start (CODEBLOCK * c, int loop, int begin)
+{
+ if (c->loop_reserved <= loop)
+ codeblock_loop_alloc (c, loop + 8 - c->loop_reserved) ;
+ if (c->loop_count <= loop)
+ c->loop_count = loop+1 ;
+ c->loops[loop*2] = begin ;
+}
+
+void codeblock_loop_end (CODEBLOCK * c, int loop, int end)
+{
+ if (c->loop_reserved <= loop)
+ codeblock_loop_alloc (c, loop + 8 - c->loop_reserved) ;
+ if (c->loop_count <= loop)
+ c->loop_count = loop+1 ;
+ c->loops[loop*2+1] = end ;
+}
+
+int codeblock_label_add (CODEBLOCK * c, int identifier)
+{
+ if (c->label_count == c->label_reserved) codeblock_label_alloc (c, c->label_count + 16) ;
+ c->labels[c->label_count] = -1;
+ c->labelsextra[c->label_count].name = identifier;
+ c->labelsextra[c->label_count].file = current_file;
+ c->labelsextra[c->label_count].line = line_count;
+ c->label_count++ ;
+ return c->label_count - 1 ;
+}
+
+void codeblock_label_set (CODEBLOCK * c, int label, int offset)
+{
+ c->labels[label] = offset ;
+}
+
+int codeblock_label_get (CODEBLOCK * c, int label)
+{
+ return c->labels[label] ;
+}
+
+int codeblock_label_get_id_by_name (CODEBLOCK * c, int identifier)
+{
+ int i;
+ for (i = 0; i < c->label_count; i++) if (c->labelsextra[i].name != -1 && c->labelsextra[i].name == identifier) return i;
+ return -1;
+}
+
+void codeblock_stepback (CODEBLOCK * c)
+{
+ int code = c->data[c->previous];
+ int param = 0;
+
+ if (MN_PARAMS(code) > 0)
+ param = c->data[c->previous+1];
+
+ if (c->previous != c->previous2)
+ {
+ c->current = c->previous;
+ c->previous = c->previous2;
+ codeblock_add (c, code, param);
+ }
+}
+
+CODEBLOCK_POS codeblock_pos(CODEBLOCK * c)
+{
+ CODEBLOCK_POS p;
+
+ p.current = c->current;
+ p.previous = c->previous;
+ p.previous2 = c->previous2;
+ return p;
+}
+
+void codeblock_setpos(CODEBLOCK * c, CODEBLOCK_POS p)
+{
+ c->current = p.current;
+ c->previous = p.previous;
+ c->previous2 = p.previous2;
+}
+
+void codeblock_add_block (CODEBLOCK * c, CODEBLOCK_POS from, CODEBLOCK_POS to)
+{
+ if (c->current+(to.current - from.current)+2 >= c->reserved)
+ codeblock_alloc (c, (to.current - from.current + 34) & 0x1F) ;
+
+ memcpy (c->data + c->current, c->data + from.current, 4*(to.current - from.current));
+ c->current += to.current - from.current;
+ c->previous = c->current - (to.current - to.previous);
+ if (to.current - from.current > 2)
+ c->previous2 = c->current - (to.current - to.previous2);
+ else
+ c->previous2 = c->previous;
+}
+
+void codeblock_add (CODEBLOCK * c, int code, int param)
+{
+ if (!c) return ;
+
+ if (MN_PARAMS(code) == 0 && param)
+ fprintf (stdout, "WARNING: mnemonic 0x%02X don't get params\n", code) ;
+
+ if (c->current > 0)
+ {
+ if (code == MN_ARRAY && c->data[c->previous] == MN_PUSH)
+ {
+ c->data[c->previous] = MN_INDEX ;
+ c->data[c->previous+1] *= param ;
+ codeblock_stepback(c);
+ return ;
+ }
+ else if (code == MN_ADD && c->data[c->previous] == MN_PUSH)
+ {
+ c->data[c->previous] = MN_INDEX ;
+ codeblock_stepback(c);
+ return ;
+ }
+ else if (code == MN_SUB && c->data[c->previous] == MN_PUSH)
+ {
+ c->data[c->previous] = MN_INDEX ;
+ c->data[c->previous+1] = -c->data[c->previous+1] ;
+ codeblock_stepback(c);
+ return ;
+ }
+ else if ((code & MN_MASK) == MN_INDEX)
+ {
+ if (c->data[c->previous] == MN_INDEX)
+ {
+ c->data[c->previous+1] += param ;
+ return ;
+ }
+ if ((c->data[c->previous] & MN_MASK) == MN_GLOBAL
+ || (c->data[c->previous] & MN_MASK) == MN_LOCAL
+ || (c->data[c->previous] & MN_MASK) == MN_PUBLIC
+ || (c->data[c->previous] & MN_MASK) == MN_REMOTE_PUBLIC
+ || (c->data[c->previous] & MN_MASK) == MN_PRIVATE
+ || (c->data[c->previous] & MN_MASK) == MN_REMOTE)
+ {
+ c->data[c->previous+1] += param ;
+ return ;
+ }
+ }
+ else if (code == MN_POP)
+ {
+ switch (c->data[c->previous] & MN_MASK)
+ {
+ case MN_LET:
+ c->data[c->previous] = MN_LETNP | (c->data[c->previous] & ~MN_MASK);
+ return ;
+ case MN_CALL:
+ c->data[c->previous] = MN_PROC ;
+ return ;
+ case MN_SYSCALL:
+ c->data[c->previous] = MN_SYSPROC ;
+ return ;
+ }
+ }
+ else if ((code & MN_MASK) == MN_PTR)
+ {
+ /* Mismo caso */
+
+ switch (c->data[c->previous] & MN_MASK)
+ {
+ case MN_PRIVATE:
+ c->data[c->previous] = MN_GET_PRIV | (code & ~MN_MASK) ;
+ return ;
+ case MN_LOCAL:
+ c->data[c->previous] = MN_GET_LOCAL | (code & ~MN_MASK) ;
+ return ;
+ case MN_PUBLIC:
+ c->data[c->previous] = MN_GET_PUBLIC | (code & ~MN_MASK) ;
+ return ;
+ case MN_REMOTE_PUBLIC:
+ c->data[c->previous] = MN_GET_REMOTE_PUBLIC | (code & ~MN_MASK) ;
+ return ;
+ case MN_GLOBAL:
+ c->data[c->previous] = MN_GET_GLOBAL | (code & ~MN_MASK) ;
+ return ;
+ case MN_REMOTE:
+ c->data[c->previous] = MN_GET_REMOTE | (code & ~MN_MASK) ;
+ return ;
+ case MN_PUSH:
+ return ;
+ }
+ }
+ }
+
+ c->previous2 = c->previous;
+ c->previous = c->current ;
+ c->data[c->current++] = code ;
+
+ if (MN_PARAMS(code) > 0) {
+ c->data[c->current++] = param ;
+ }
+
+ if (c->current+2 >= c->reserved) codeblock_alloc (c, 32) ;
+}
+
diff --git a/core/bgdc/src/constants.c b/core/bgdc/src/constants.c
new file mode 100644
index 0000000..d9b63a4
--- /dev/null
+++ b/core/bgdc/src/constants.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "bgdc.h"
+
+#include "varspace.h"
+
+/* ---------------------------------------------------------------------- */
+/* Gestor de constantes */
+/* ---------------------------------------------------------------------- */
+
+static CONSTANT * constants ;
+static int constants_used ;
+static int constants_reserved ;
+
+void constants_init()
+{
+ constants = ( CONSTANT * ) calloc( 16, sizeof( CONSTANT ) );
+ constants_reserved = 16 ;
+ constants_used = 0 ;
+}
+
+void constants_alloc( int count )
+{
+ constants = ( CONSTANT * ) realloc( constants, ( constants_reserved += count ) * sizeof( CONSTANT ) ) ;
+ if ( !constants )
+ {
+ fprintf( stdout, "constants_alloc: out of memory\n" ) ;
+ exit( 1 ) ;
+ }
+}
+
+CONSTANT * constants_search( int code )
+{
+ int i ;
+
+ for ( i = 0 ; i < constants_used ; i++ ) if ( constants[i].code == code ) return &constants[i] ;
+ return 0 ;
+}
+
+void constants_add( int code, TYPEDEF type, int value )
+{
+ CONSTANT * c;
+
+ if ( constants_used == constants_reserved ) constants_alloc( 16 ) ;
+
+ if ( varspace_search( &global, code ) )
+ {
+ token.code = code;
+ token.type = IDENTIFIER;
+ compile_error( MSG_VARIABLE_REDECLARED_AS_CONSTANT ) ;
+ }
+
+ if ( varspace_search( &local, code ) )
+ {
+ token.code = code;
+ token.type = IDENTIFIER;
+ compile_error( MSG_VARIABLE_REDECLARED_AS_CONSTANT ) ;
+ }
+
+ if (( c = constants_search( code ) ) && ( !typedef_is_equal( c->type, type ) || c->value != value ) )
+ {
+ token.code = string_new( identifier_name( code ) );
+ token.type = STRING;
+ compile_error( "Constant redefined" );
+ }
+
+ constants[constants_used].code = code ;
+ constants[constants_used].type = type ;
+ constants[constants_used].value = value ;
+ constants_used++ ;
+}
+
+void constants_dump()
+{
+ int i ;
+
+ printf( "---- %d constants of %d ----\n", constants_used, constants_reserved ) ;
+ for ( i = 0 ; i < constants_used ; i++ )
+ printf( "%4d: %-16s= %d\n", i,
+ identifier_name( constants[i].code ), constants[i].value ) ;
+}
diff --git a/core/bgdc/src/dcbw.c b/core/bgdc/src/dcbw.c
new file mode 100644
index 0000000..987a947
--- /dev/null
+++ b/core/bgdc/src/dcbw.c
@@ -0,0 +1,1258 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdlib.h>
+
+#ifdef TARGET_BEOS
+#include <posix/assert.h>
+#else
+#include <assert.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+#include "bgdc.h"
+#include "dcb.h"
+
+#define SYSPROCS_ONLY_DECLARE
+#include "sysprocs.h"
+
+#define FREEM(m) if(m) { free(m); m = NULL; }
+
+/* dirty declare external vars */
+
+extern char * string_mem;
+extern int * string_offset;
+extern int string_count, string_used;
+extern int procdef_count;
+extern int identifier_count;
+extern PROCDEF ** procs;
+
+extern int debug;
+
+/* List of files to include in DCB file managment */
+
+DCB_FILE * dcb_files = 0;
+int dcb_ef_alloc = 0;
+int dcb_filecount = 0;
+char ** dcb_fullname = 0;
+int dcb_options = 0;
+
+void dcb_add_file( const char * filename )
+{
+ file * fp;
+ long size;
+ int i;
+ char buffer[1024];
+
+ if ( filename[0] == '@' )
+ {
+ fp = file_open( filename + 1, "rb" );
+ if ( !fp ) return;
+ while ( !file_eof( fp ) )
+ {
+ char *p;
+ file_qgets( fp, buffer, sizeof( buffer ) );
+ if ( ( p = strchr( buffer, '\n' ) ) ) *p = '\0';
+ if ( ( p = strchr( buffer, '\r' ) ) ) *p = '\0';
+ if ( buffer[0] == '#' || !buffer[0] ) continue;
+ dcb_add_file( buffer );
+ }
+ file_close( fp );
+ return;
+ }
+
+ /* Dinamyc libraries aren't included in the stub */
+/*
+ if ( strlen( filename ) > 4 && !strncmp( filename + strlen( filename ) - 4, ".dll", 4 ) ) return;
+ if ( strlen( filename ) > 3 && !strncmp( filename + strlen( filename ) - 3, ".so", 3 ) ) return;
+ if ( strlen( filename ) > 6 && !strncmp( filename + strlen( filename ) - 6, ".dylib", 6 ) ) return;
+*/
+ for ( i = 0; filename[i]; i++ ) if ( filename[i] == '\\' ) buffer[i] = '/'; else buffer[i] = filename[i];
+ buffer[i] = '\0';
+
+ filename = ( const char * ) buffer;
+
+ fp = file_open( filename, "rb" );
+ if ( !fp ) return;
+ size = file_size( fp );
+ file_close( fp );
+
+ if ( dcb_ef_alloc == dcb_filecount )
+ {
+ dcb_files = ( DCB_FILE * )realloc( dcb_files, sizeof( DCB_FILE ) * ( dcb_ef_alloc += 16 ) );
+ if ( !dcb_files ) compile_error( "dcb_add_file: out of memory" );
+ }
+
+ /* file is already included ? */
+
+ for ( i = 0; i < dcb_filecount; i++ )
+ if ( strcmp( filename, (const char *)dcb_files[i].Name ) == 0 ) return;
+
+ dcb_files[dcb_filecount].Name = (uint8_t *) strdup( filename );
+ dcb_files[dcb_filecount].SFile = size;
+
+ dcb_filecount++;
+}
+
+/* Hack for set ID's to varspaces */
+
+VARSPACE ** dcb_orig_varspace = 0;
+int dcb_varspaces = 0;
+
+static int dcb_varspace( VARSPACE * v )
+{
+ int n, result;
+
+ for ( n = 0; n < dcb_varspaces; n++ )
+ if ( dcb_orig_varspace[n] == v ) return n;
+
+ dcb.varspace = ( DCB_VARSPACE * ) realloc( dcb.varspace, sizeof( DCB_VARSPACE ) * ( dcb_varspaces + 1 ) );
+ dcb_orig_varspace = ( VARSPACE ** ) realloc( dcb_orig_varspace, sizeof( VARSPACE * ) * ( dcb_varspaces + 1 ) );
+
+ dcb_orig_varspace[dcb_varspaces] = v;
+
+ dcb.varspace[dcb_varspaces].NVars = v->count; ARRANGE_DWORD( &dcb.varspace[dcb_varspaces].NVars ); /* Used Only for dcb */
+ result = dcb_varspaces++;
+
+ for ( n = 0; n < v->count; n++ )
+ if ( v->vars[n].type.varspace ) dcb_varspace( v->vars[n].type.varspace );
+
+ return result;
+}
+
+/* TYPEDEF converts (used in compile time) */
+
+void dcb_settype( DCB_TYPEDEF * d, TYPEDEF * t )
+{
+ int n;
+
+ for ( n = 0; n < MAX_TYPECHUNKS; n++ )
+ {
+ d->BaseType[n] = t->chunk[n].type; /* 8 bits */
+ d->Count [n] = t->chunk[n].count;
+ }
+
+ if ( t->varspace )
+ d->Members = dcb_varspace( t->varspace );
+ else
+ d->Members = NO_MEMBERS;
+}
+
+
+/* TYPEDEF converts (used in save time) */
+
+void dcb_prepare_type( DCB_TYPEDEF * d, TYPEDEF * t )
+{
+ int n;
+
+ for ( n = 0; n < MAX_TYPECHUNKS; n++ )
+ {
+ d->BaseType[n] = t->chunk[n].type; /* 8 bits */
+ d->Count [n] = t->chunk[n].count; ARRANGE_DWORD( &d->Count[n] );
+ }
+
+ if ( t->varspace )
+ d->Members = dcb_varspace( t->varspace );
+ else
+ d->Members = NO_MEMBERS;
+
+ ARRANGE_DWORD( &d->Members );
+}
+
+/* Make DCB file (see dcb.h) */
+
+DCB_HEADER dcb;
+
+int dcb_save( const char * filename, int options, const char * stubname )
+{
+ file * fp;
+ uint32_t n, i, size;
+ long offset;
+ identifier * id;
+ long stubsize = 0;
+ void * stubdata;
+
+ int NPriVars = 0;
+ int NPubVars = 0;
+
+ int SCode = 0;
+ int SPrivate = 0;
+ int SPublic = 0;
+ int OFilesTab = 0;
+
+ DCB_SYSPROC_CODE sdcb;
+ SYSPROC * s;
+ int NSysProcs = 0;
+
+ fp = file_open( filename, "wb0" );
+ if ( !fp )
+ {
+ fprintf( stdout, "ERROR: can't open %s\n", filename );
+ return 0;
+ }
+
+ /* Write the stub file */
+ if ( stubname )
+ {
+ file * stub = file_open( stubname, "rb0" );
+
+ if ( !stub )
+ {
+ fprintf( stdout, "ERROR: can't open %s\n", stubname );
+ return 0;
+ }
+
+ stubsize = file_size( stub );
+ stubdata = calloc( stubsize, sizeof( char ) );
+ if ( !stubdata )
+ {
+ fprintf( stdout, "ERROR: Stub %s too big\n", stubname );
+ return 0;
+ }
+ if ( file_read( stub, stubdata, stubsize ) != stubsize )
+ {
+ fprintf( stdout, "ERROR: error reading stub %s\n", stubname );
+ return 0;
+ }
+ file_write( fp, stubdata, stubsize );
+ if ( stubsize & 15 )
+ {
+ file_write( fp, stubdata, 16 - ( stubsize & 15 ) );
+ stubsize += 16 - ( stubsize & 15 );
+ }
+ free( stubdata );
+ file_close( stub );
+ }
+
+ /* Refresh sysprocs list */
+
+ for ( s = sysprocs; s->name; s++ )
+ {
+ if ( s->id == 0 ) s->id = identifier_search_or_add( s->name );
+ NSysProcs++;
+ }
+
+ /* We can asume that dcb.varspace is already filled */
+
+ /* Splinter, fix to save neccessary info only */
+ if ( !( options & DCB_DEBUG ) ) n_files = 0;
+
+ /* 1. Fill header */
+
+ if ( libmode )
+ memcpy( dcb.data.Header, DCL_MAGIC, sizeof( DCL_MAGIC ) - 1 );
+ else
+ memcpy( dcb.data.Header, DCB_MAGIC, sizeof( DCB_MAGIC ) - 1 );
+
+ dcb.data.Version = DCB_VERSION; ARRANGE_DWORD( &dcb.data.Version );
+
+ dcb.data.NProcs = procdef_count; ARRANGE_DWORD( &dcb.data.NProcs );
+ dcb.data.NFiles = dcb_filecount; ARRANGE_DWORD( &dcb.data.NFiles );
+ dcb.data.NID = identifier_count; ARRANGE_DWORD( &dcb.data.NID );
+ dcb.data.NStrings = string_count; ARRANGE_DWORD( &dcb.data.NStrings );
+ dcb.data.NLocVars = local.count; ARRANGE_DWORD( &dcb.data.NLocVars );
+ dcb.data.NLocStrings = local.stringvar_count; ARRANGE_DWORD( &dcb.data.NLocStrings );
+ dcb.data.NGloVars = global.count; ARRANGE_DWORD( &dcb.data.NGloVars );
+
+ dcb.data.SGlobal = globaldata->current; ARRANGE_DWORD( &dcb.data.SGlobal );
+ dcb.data.SLocal = localdata->current; ARRANGE_DWORD( &dcb.data.SLocal );
+ dcb.data.SText = string_used; ARRANGE_DWORD( &dcb.data.SText );
+
+ dcb.data.NImports = nimports; ARRANGE_DWORD( &dcb.data.NImports );
+
+ dcb.data.NSourceFiles = n_files; ARRANGE_DWORD( &dcb.data.NSourceFiles );
+
+ dcb.data.NSysProcsCodes = NSysProcs; ARRANGE_DWORD( &dcb.data.NSysProcsCodes );
+
+ /* 2. Build process table */
+
+ dcb.proc = ( DCB_PROC * ) calloc( procdef_count, sizeof( DCB_PROC ) );
+
+ for ( n = 0; n < procdef_count; n++ )
+ {
+ dcb.proc[n].data.ID = procs[n]->identifier; ARRANGE_DWORD( &dcb.proc[n].data.ID );
+ dcb.proc[n].data.Flags = procs[n]->flags; ARRANGE_DWORD( &dcb.proc[n].data.Flags );
+ dcb.proc[n].data.NParams = procs[n]->params; ARRANGE_DWORD( &dcb.proc[n].data.NParams );
+
+ dcb.proc[n].data.NPriVars = procs[n]->privars->count; ARRANGE_DWORD( &dcb.proc[n].data.NPriVars );
+ dcb.proc[n].data.NPriStrings = procs[n]->privars->stringvar_count; ARRANGE_DWORD( &dcb.proc[n].data.NPriStrings );
+
+ dcb.proc[n].data.NPubVars = procs[n]->pubvars->count; ARRANGE_DWORD( &dcb.proc[n].data.NPubVars );
+ dcb.proc[n].data.NPubStrings = procs[n]->pubvars->stringvar_count; ARRANGE_DWORD( &dcb.proc[n].data.NPubStrings );
+
+ dcb.proc[n].data.NSentences = procs[n]->sentence_count; ARRANGE_DWORD( &dcb.proc[n].data.NSentences );
+
+ dcb.proc[n].data.SPrivate = procs[n]->pridata->current; ARRANGE_DWORD( &dcb.proc[n].data.SPrivate );
+ dcb.proc[n].data.SPublic = procs[n]->pubdata->current; ARRANGE_DWORD( &dcb.proc[n].data.SPublic );
+
+ dcb.proc[n].data.SCode = procs[n]->code.current * 4; ARRANGE_DWORD( &dcb.proc[n].data.SCode );
+
+ dcb.proc[n].data.OExitCode = procs[n]->exitcode ; ARRANGE_DWORD( &dcb.proc[n].data.OExitCode );
+ dcb.proc[n].data.OErrorCode = procs[n]->errorcode ; ARRANGE_DWORD( &dcb.proc[n].data.OErrorCode );
+
+ SCode += procs[n]->code.current * 4;
+
+ NPriVars += procs[n]->privars->count;
+ NPubVars += procs[n]->pubvars->count;
+
+ SPrivate += procs[n]->pridata->current;
+ SPublic += procs[n]->pubdata->current;
+
+ dcb.proc[n].sentence = ( DCB_SENTENCE * ) calloc( procs[n]->sentence_count, sizeof( DCB_SENTENCE ) );
+
+ for ( i = 0; i < procs[n]->sentence_count; i++ )
+ {
+ dcb.proc[n].sentence[i].NFile = 0; ARRANGE_DWORD( &dcb.proc[n].sentence[i].NFile );
+ dcb.proc[n].sentence[i].NLine = procs[n]->sentences[i].line; ARRANGE_DWORD( &dcb.proc[n].sentence[i].NLine );
+ dcb.proc[n].sentence[i].NCol = procs[n]->sentences[i].col; ARRANGE_DWORD( &dcb.proc[n].sentence[i].NCol );
+ dcb.proc[n].sentence[i].OCode = procs[n]->sentences[i].offset; ARRANGE_DWORD( &dcb.proc[n].sentence[i].OCode );
+ }
+
+ /* Splinter, tipos de parametros */
+
+ dcb.proc[n].privar = ( DCB_VAR * ) calloc( procs[n]->privars->count, sizeof( DCB_VAR ) );
+ for ( i = 0; i < procs[n]->privars->count; i++ )
+ {
+ dcb_prepare_type( &dcb.proc[n].privar[i].Type, &procs[n]->privars->vars[i].type );
+
+ dcb.proc[n].privar[i].ID = procs[n]->privars->vars[i].code; ARRANGE_DWORD( &dcb.proc[n].privar[i].ID );
+ dcb.proc[n].privar[i].Offset = procs[n]->privars->vars[i].offset; ARRANGE_DWORD( &dcb.proc[n].privar[i].Offset );
+ }
+
+ dcb.proc[n].pubvar = ( DCB_VAR * ) calloc( procs[n]->pubvars->count, sizeof( DCB_VAR ) );
+ for ( i = 0; i < procs[n]->pubvars->count; i++ )
+ {
+ dcb_prepare_type( &dcb.proc[n].pubvar[i].Type, &procs[n]->pubvars->vars[i].type );
+
+ dcb.proc[n].pubvar[i].ID = procs[n]->pubvars->vars[i].code; ARRANGE_DWORD( &dcb.proc[n].pubvar[i].ID );
+ dcb.proc[n].pubvar[i].Offset = procs[n]->pubvars->vars[i].offset; ARRANGE_DWORD( &dcb.proc[n].pubvar[i].Offset );
+ }
+ }
+
+ /* 3. Build global tables */
+
+ dcb.id = ( DCB_ID * ) calloc( identifier_count, sizeof( DCB_ID ) );
+
+ id = identifier_first();
+
+ for ( n = 0; n < identifier_count; n++ )
+ {
+ assert( id != 0 );
+ strncpy( (char *)dcb.id[n].Name, id->name, sizeof( dcb.id[n].Name ) );
+ dcb.id[n].Code = id->code; ARRANGE_DWORD( &dcb.id[n].Code );
+
+ id = identifier_next( id );
+ }
+
+ dcb.glovar = ( DCB_VAR * ) calloc( global.count, sizeof( DCB_VAR ) );
+ dcb.locvar = ( DCB_VAR * ) calloc( local.count, sizeof( DCB_VAR ) );
+
+ for ( n = 0; n < global.count; n++ )
+ {
+ dcb_prepare_type( &dcb.glovar[n].Type, &global.vars[n].type );
+
+ dcb.glovar[n].ID = global.vars[n].code; ARRANGE_DWORD( &dcb.glovar[n].ID );
+ dcb.glovar[n].Offset = global.vars[n].offset; ARRANGE_DWORD( &dcb.glovar[n].Offset );
+ }
+
+ for ( n = 0; n < local.count; n++ )
+ {
+ dcb_prepare_type( &dcb.locvar[n].Type, &local.vars[n].type );
+
+ dcb.locvar[n].ID = local.vars[n].code; ARRANGE_DWORD( &dcb.locvar[n].ID );
+ dcb.locvar[n].Offset = local.vars[n].offset; ARRANGE_DWORD( &dcb.locvar[n].Offset );
+ }
+
+ dcb.data.NVarSpaces = dcb_varspaces;
+
+ dcb.file = dcb_files;
+
+ /* 4. Calculate offsets */
+
+ offset = sizeof( DCB_HEADER_DATA );
+
+ dcb.data.OProcsTab = offset; offset += sizeof( DCB_PROC_DATA ) * procdef_count; ARRANGE_DWORD( &dcb.data.OProcsTab );
+ dcb.data.OStrings = offset; offset += 4 * string_count; ARRANGE_DWORD( &dcb.data.OStrings );
+ dcb.data.OGloVars = offset; offset += sizeof( DCB_VAR ) * global.count; ARRANGE_DWORD( &dcb.data.OGloVars );
+ dcb.data.OLocVars = offset; offset += sizeof( DCB_VAR ) * local.count; ARRANGE_DWORD( &dcb.data.OLocVars );
+ dcb.data.OLocStrings = offset; offset += 4 * local.stringvar_count; ARRANGE_DWORD( &dcb.data.OLocStrings );
+ dcb.data.OID = offset; offset += sizeof( DCB_ID ) * identifier_count; ARRANGE_DWORD( &dcb.data.OID );
+ dcb.data.OVarSpaces = offset; offset += sizeof( DCB_VARSPACE ) * dcb_varspaces; ARRANGE_DWORD( &dcb.data.OVarSpaces );
+ dcb.data.OText = offset; offset += string_used; ARRANGE_DWORD( &dcb.data.OText );
+ dcb.data.OImports = offset; offset += 4 * nimports; ARRANGE_DWORD( &dcb.data.OImports );
+ dcb.data.OGlobal = offset; offset += globaldata->current; ARRANGE_DWORD( &dcb.data.OGlobal );
+ dcb.data.OLocal = offset; offset += localdata->current; ARRANGE_DWORD( &dcb.data.OLocal );
+
+ dcb.data.OSourceFiles = offset; ARRANGE_DWORD( &dcb.data.OSourceFiles );
+
+ /* sources */
+ for ( n = 0; n < n_files; n++ )
+ offset += sizeof( uint32_t ) + strlen( files[n] ) + 1;
+
+ dcb.data.OSysProcsCodes = offset; ARRANGE_DWORD( &dcb.data.OSysProcsCodes );
+ for ( s = sysprocs; s->name; s++ )
+ {
+ offset += sizeof( DCB_SYSPROC_CODE );
+ offset += s->params;
+ }
+
+ for ( n = 0; n < dcb_varspaces; n++ )
+ {
+ dcb.varspace[n].OVars = offset; ARRANGE_DWORD( &dcb.varspace[n].OVars );
+ offset += sizeof( DCB_VAR ) * dcb_orig_varspace[n]->count;
+ }
+
+ for ( n = 0; n < procdef_count; n++ )
+ {
+ dcb.proc[n].data.OSentences = offset; offset += sizeof( DCB_SENTENCE ) * procs[n]->sentence_count; ARRANGE_DWORD( &dcb.proc[n].data.OSentences );
+
+ /* Private */
+ dcb.proc[n].data.OPriVars = offset; offset += sizeof( DCB_VAR ) * procs[n]->privars->count; ARRANGE_DWORD( &dcb.proc[n].data.OPriVars );
+ dcb.proc[n].data.OPriStrings = offset; offset += 4 * procs[n]->privars->stringvar_count; ARRANGE_DWORD( &dcb.proc[n].data.OPriStrings );
+ dcb.proc[n].data.OPrivate = offset; offset += procs[n]->pridata->current; ARRANGE_DWORD( &dcb.proc[n].data.OPrivate );
+
+ /* Publics */
+ dcb.proc[n].data.OPubVars = offset; offset += sizeof( DCB_VAR ) * procs[n]->pubvars->count; ARRANGE_DWORD( &dcb.proc[n].data.OPubVars );
+ dcb.proc[n].data.OPubStrings = offset; offset += 4 * procs[n]->pubvars->stringvar_count; ARRANGE_DWORD( &dcb.proc[n].data.OPubStrings );
+ dcb.proc[n].data.OPublic = offset; offset += procs[n]->pubdata->current; ARRANGE_DWORD( &dcb.proc[n].data.OPublic );
+
+ /* Code */
+ dcb.proc[n].data.OCode = offset; offset += procs[n]->code.current * 4; ARRANGE_DWORD( &dcb.proc[n].data.OCode );
+ }
+
+ /* Archivos incluidos */
+ OFilesTab = offset;
+ dcb.data.OFilesTab = OFilesTab; ARRANGE_DWORD( &dcb.data.OFilesTab );
+
+ /* FullPathName */
+ dcb_fullname = calloc( dcb_filecount, sizeof( char * ) );
+
+ /* Cada uno de los archivos incluidos */
+ for ( n = 0; n < dcb_filecount; n++ )
+ {
+ dcb_fullname[n] = (char *)dcb.file[n].Name; /* Guardo el Name, porque lo destruyo en SName (es un union) */
+ dcb.file[n].SName = strlen( (const char *)dcb.file[n].Name ) + 1; /* Todavia no hago el ARRANGE de este dato, lo hago luego cuando lo voy a grabar */
+ offset += sizeof( DCB_FILE ) + dcb.file[n].SName;
+ }
+
+ /* Data de los archivos incluidos */
+ for ( n = 0; n < dcb_filecount; n++ )
+ {
+ dcb.file[n].OFile = offset; ARRANGE_DWORD( &dcb.file[n].OFile );
+ offset += dcb.file[n].SFile; ARRANGE_DWORD( &dcb.file[n].SFile );
+ }
+
+ /* ************************************** */
+ /* ************************************** */
+ /* 5. Guardar todo en disco ordenadamente */
+ /* ************************************** */
+ /* ************************************** */
+
+ file_write( fp, &dcb, sizeof( DCB_HEADER_DATA ) );
+
+ for ( n = 0; n < procdef_count; n++ )
+ file_write( fp, &dcb.proc[n], sizeof( DCB_PROC_DATA ) );
+
+ file_writeUint32A( fp, (uint32_t *)string_offset, string_count );
+ file_write( fp, dcb.glovar, sizeof( DCB_VAR ) * global.count ); /* Ya procesado el byteorder */
+ file_write( fp, dcb.locvar, sizeof( DCB_VAR ) * local.count ); /* Ya procesado el byteorder */
+ file_writeUint32A( fp, (uint32_t *)local.stringvars, local.stringvar_count );
+ file_write( fp, dcb.id, sizeof( DCB_ID ) * identifier_count ); /* Ya procesado el byteorder */
+ file_write( fp, dcb.varspace, sizeof( DCB_VARSPACE ) * dcb_varspaces ); /* Ya procesado el byteorder */
+ file_write( fp, string_mem, string_used ); /* No necesita byteorder */
+ file_writeUint32A( fp, (uint32_t *)imports, nimports );
+ file_write( fp, globaldata->bytes, globaldata->current ); /* ****** */
+ file_write( fp, localdata->bytes, localdata->current ); /* ****** */
+
+ if ( dcb_options & DCB_DEBUG )
+ {
+ for ( n = 0; n < n_files; n++ )
+ {
+ size = strlen( files[n] ) + 1;
+ file_writeUint32( fp, &size );
+ file_write( fp, files[n], size );
+ }
+ }
+
+ for ( s = sysprocs; s->name; s++ )
+ {
+ int l = s->params;
+ sdcb.Id = s->id; ARRANGE_DWORD( &sdcb.Id );
+ sdcb.Type = s->type; ARRANGE_DWORD( &sdcb.Type );
+ sdcb.Params = l; ARRANGE_DWORD( &sdcb.Params );
+ sdcb.Code = s->code; ARRANGE_DWORD( &sdcb.Code );
+ file_write( fp, &sdcb, sizeof( DCB_SYSPROC_CODE ) );
+ file_write( fp, s->paramtypes, l );
+ }
+
+ for ( n = 0; n < dcb_varspaces; n++ )
+ {
+ VARIABLE * var;
+ DCB_VAR v;
+
+ memset (&v, '\0', sizeof(v));
+
+ var = &dcb_orig_varspace[n]->vars[0];
+
+ for ( i = 0; i < dcb_orig_varspace[n]->count; i++, var++ )
+ {
+ dcb_prepare_type( &v.Type, &var->type );
+ v.ID = var->code; ARRANGE_DWORD( &v.ID );
+ v.Offset = var->offset; ARRANGE_DWORD( &v.Offset );
+
+ file_write( fp, &v, sizeof( DCB_VAR ) );
+ }
+ }
+
+ for ( n = 0; n < procdef_count; n++ )
+ {
+ file_write( fp, dcb.proc[n].sentence, sizeof( DCB_SENTENCE ) * procs[n]->sentence_count ); /* Ya procesado el byteorder */
+
+ /* Privadas */
+ file_write( fp, dcb.proc[n].privar, sizeof( DCB_VAR ) * procs[n]->privars->count ); /* Ya procesado el byteorder */
+ file_writeUint32A( fp, (uint32_t *)procs[n]->privars->stringvars, procs[n]->privars->stringvar_count );
+ file_write( fp, procs[n]->pridata->bytes, procs[n]->pridata->current ); /* ****** */
+
+ /* Publicas */
+ file_write( fp, dcb.proc[n].pubvar, sizeof( DCB_VAR ) * procs[n]->pubvars->count ); /* Ya procesado el byteorder */
+ file_writeUint32A( fp, (uint32_t *)procs[n]->pubvars->stringvars, procs[n]->pubvars->stringvar_count );
+ file_write( fp, procs[n]->pubdata->bytes, procs[n]->pubdata->current ); /* ****** */
+
+ /* Code */
+ file_writeUint32A( fp, (uint32_t *)procs[n]->code.data, procs[n]->code.current );
+ }
+
+ /* Cada uno de los archivos incluidos */
+ for ( n = 0; n < dcb_filecount; n++ )
+ {
+ int siz = dcb.file[n].SName;
+ ARRANGE_DWORD( &dcb.file[n].SName );
+ ARRANGE_DWORD( &dcb.file[n].SFile );
+ ARRANGE_DWORD( &dcb.file[n].OFile );
+ file_write( fp, &dcb.file[n], sizeof( DCB_FILE ) );
+ file_write( fp, dcb_fullname[n], siz );
+ }
+
+ for ( n = 0; n < dcb_filecount; n++ )
+ {
+ char buffer[8192];
+ file * fp_r = file_open ( dcb_fullname[n], "rb" );
+ int chunk_size, siz = 0;
+
+ assert( fp_r );
+ while ( !file_eof( fp_r ) )
+ {
+ siz += chunk_size = file_read( fp_r, buffer, 8192 );
+ file_write( fp, buffer, chunk_size );
+ if ( chunk_size < 8192 ) break;
+ }
+ file_close( fp_r );
+ }
+
+ /* Write the stub signature */
+
+ if ( stubname != NULL )
+ {
+ dcb_signature dcb_signature;
+
+ /* Voy al final del archivo */
+
+ strcpy( dcb_signature.magic, DCB_STUB_MAGIC );
+ dcb_signature.dcb_offset = ( int )stubsize;
+
+ ARRANGE_DWORD( &dcb_signature.dcb_offset );
+
+ file_write( fp, &dcb_signature, sizeof( dcb_signature ) );
+ }
+
+ file_close( fp );
+
+ /* 6. Mostrar estad�sticas */
+
+ printf( "\nFile %s compiled (%ld bytes):\n\n", filename, offset );
+ printf( " Processes %8d\n", procdef_count );
+ printf( " Global data %8d bytes\n", globaldata->current );
+ printf( " Local data %8d bytes\n", localdata->current );
+ printf( " Private data %8d bytes\n", SPrivate );
+ printf( " Public data %8d bytes\n", SPublic );
+ printf( " Code %8d bytes\n", SCode );
+ printf( " System processes %8d\n", NSysProcs );
+
+ printf( " Globals vars %8d\n", global.count );
+ printf( " Locals vars %8d\n", local.count );
+ printf( " Private vars %8d\n", NPriVars );
+ printf( " Publics vars %8d\n", NPubVars );
+ printf( " Identifiers %8d\n", identifier_count );
+ printf( " Structs %8d\n", dcb_varspaces );
+ printf( " Strings %8d (%d bytes)\n", string_count, string_used );
+
+ if ( dcb_filecount )
+ printf( " Files added %8d (%ld bytes)\n", dcb_filecount, offset - OFilesTab );
+
+ printf( "\n" );
+
+ return 1;
+}
+
+/* ---------------------------------------------------------------------------
+ * load_dcb as library
+ * --------------------------------------------------------------------------- */
+
+int * newid = NULL;
+int * stringid = NULL;
+int * fileid = NULL;
+
+/* --------------------------------------------------------------------------- */
+
+void * glodata = NULL ;
+void * locdata = NULL ;
+
+DCB_SYSPROC_CODE2 * sysproc_code_ref = NULL ;
+
+/* ---------------------------------------------------------------------- */
+
+typedef struct
+{
+ int offstart;
+ int offend;
+ int offnew;
+} range;
+
+range * glovaroffs = NULL;
+range * locvaroffs = NULL;
+
+VARSPACE * varspaces = NULL;
+
+/* ---------------------------------------------------------------------- */
+
+void dcb_varspaces_load( file * fp, VARSPACE * vs, VARSPACE * vs_array, int count )
+{
+ int n, m;
+ DCB_VAR vars;
+ VARIABLE var;
+ TYPEDEF type;
+
+ for ( n = 0; n < count; n++ )
+ {
+ file_read( fp, &vars, sizeof( DCB_VAR ) ) ;
+ ARRANGE_DWORD( &vars.ID );
+ ARRANGE_DWORD( &vars.Offset );
+ for ( m = 0; m < MAX_TYPECHUNKS; m++ ) ARRANGE_DWORD( &vars.Type.Count[m] );
+ ARRANGE_DWORD( &vars.Type.Members );
+
+ type.depth = 0;
+ for ( m = 0; m < MAX_TYPECHUNKS; m++ )
+ {
+ type.chunk[m].type = vars.Type.BaseType[m];
+ type.chunk[m].count = vars.Type.Count[m];
+ if ( type.chunk[m].type != TYPE_UNDEFINED ) type.depth++;
+ }
+
+ if ( vars.Type.Members != NO_MEMBERS )
+ type.varspace = &vs_array[vars.Type.Members];
+ else
+ type.varspace = NULL;
+
+ var.code = newid[vars.ID];
+ var.type = type;
+ var.offset = vars.Offset;
+ varspace_add( vs, var );
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+void dcb_vars_load( file * fp, VARSPACE * vs, segment * data, char * data_source, int count, range ** offs, int totalsize )
+{
+ int n, m;
+ DCB_VAR * vars = calloc( count, sizeof( DCB_VAR ) );
+ VARIABLE var, * v;
+ TYPEDEF type;
+
+ if ( offs ) *offs = calloc( count, sizeof( range ) );
+
+ for ( n = 0; n < count; n++ )
+ {
+ file_read( fp, &vars[n], sizeof( DCB_VAR ) ) ;
+ ARRANGE_DWORD( &vars[n].ID );
+ ARRANGE_DWORD( &vars[n].Offset );
+ for ( m = 0; m < MAX_TYPECHUNKS; m++ ) ARRANGE_DWORD( &vars[n].Type.Count[m] );
+ ARRANGE_DWORD( &vars[n].Type.Members );
+ }
+
+ for ( n = 0; n < count; n++ )
+ {
+ type.depth = 0;
+
+ for ( m = 0; m < MAX_TYPECHUNKS; m++ )
+ {
+ type.chunk[m].type = vars[n].Type.BaseType[m];
+ type.chunk[m].count = vars[n].Type.Count[m];
+ if ( type.chunk[m].type != TYPE_UNDEFINED ) type.depth++;
+ }
+
+ if ( vars[n].Type.Members != NO_MEMBERS )
+ type.varspace = &varspaces[vars[n].Type.Members];
+ else
+ type.varspace = NULL;
+
+ var.code = newid[vars[n].ID];
+ var.type = type;
+ var.offset = data->current;
+
+ if ( ( v = varspace_search( vs, newid[vars[n].ID] ) ) )
+ {
+ int sz;
+
+ if ( !typedef_is_equal( v->type, type ) )
+ {
+ printf( "ERROR: var %s already exits in varspace but is different\n", identifier_name( newid[vars[n].ID] ) );
+ exit ( -1 );
+ }
+
+ sz = typedef_size( v->type );
+ if ( sz & 0x0003 ) sz = ( sz & ~0x0003 ) + 4;
+
+ if ( offs )
+ {
+ (*offs)[n].offstart = vars[n].Offset;
+ (*offs)[n].offend = vars[n].Offset + sz - 1;
+ (*offs)[n].offnew = v->offset;
+ }
+ }
+ else
+ {
+ int sz;
+ if ( n < count - 1 )
+ sz = vars[n+1].Offset - vars[n].Offset;
+ else
+ sz = totalsize - vars[n].Offset;
+
+ segment_alloc(data, sz);
+ var.offset = data->current;
+ varspace_add( vs, var );
+
+ if ( offs )
+ {
+ (*offs)[n].offstart = vars[n].Offset;
+ (*offs)[n].offend = vars[n].Offset + sz - 1;
+ (*offs)[n].offnew = var.offset;
+ }
+
+ memmove( &((char *)data->bytes)[var.offset], &data_source[vars[n].Offset], sz );
+
+ data->current += sz;
+ }
+ }
+
+ free( vars );
+}
+
+/* ---------------------------------------------------------------------- */
+
+int get_new_off( int off, range * offs, int noffs )
+{
+ int n;
+
+ for ( n = 0; n < noffs; n++ )
+ if ( off >= offs[n].offstart && off <= offs[n].offend )
+ return off - offs[n].offstart + offs[n].offnew;
+
+ return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void codeblock_adjust(CODEBLOCK * code)
+{
+ int * ptr = code->data ;
+ int n;
+
+ while (ptr < code->data + code->current)
+ {
+ if (*ptr == MN_CALL || *ptr == MN_PROC || *ptr == MN_TYPE)
+ {
+ ptr[1] = newid[ptr[1]];
+ }
+
+ if (MN_TYPEOF(*ptr) == MN_STRING && (*ptr & MN_MASK) == MN_PUSH)
+ {
+ ptr[1] = stringid[ptr[1]];
+ }
+
+ if ( (*ptr & MN_MASK) == MN_GLOBAL)
+ {
+ ptr[1] = get_new_off( ptr[1], glovaroffs, dcb.data.NGloVars );
+ }
+
+ if ( (*ptr & MN_MASK) == MN_LOCAL)
+ {
+ ptr[1] = get_new_off( ptr[1], locvaroffs, dcb.data.NLocVars );
+ }
+
+ if ( (*ptr & MN_MASK) == MN_SENTENCE )
+ {
+ if ( dcb.data.Version == 0x0700 )
+ ptr[1] = (ptr[1] & 0xfffff) | ( fileid[ptr[1]>>24] << 20 );
+ else
+ ptr[1] = (ptr[1] & 0xfffff) | ( fileid[ptr[1]>>20] << 20 );
+ }
+
+ if ( (*ptr & MN_MASK) == MN_SYSCALL || (*ptr & MN_MASK) == MN_SYSPROC )
+ {
+ DCB_SYSPROC_CODE2 * s = sysproc_code_ref ;
+ int found = 0;
+ for ( n = 0; n < dcb.data.NSysProcsCodes && !found; n++, s++ )
+ {
+ if ( s->Code == ptr[1] )
+ {
+ SYSPROC * p = sysproc_get( newid[ s->Id ] );
+ for ( ; p && !found; p = p->next )
+ {
+ if ( p->type == s->Type && p->params == s->Params &&
+ !strcmp( (const char *)s->ParamTypes, p->paramtypes ) )
+ {
+ ptr[1] = p->code;
+ found = 1;
+ }
+ }
+ }
+ }
+ }
+ ptr += MN_PARAMS(*ptr)+1 ;
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+int dcb_load_lib( const char * filename )
+{
+ unsigned int n ;
+ file * fp ;
+ PROCDEF * proc;
+
+ /* check for existence of the DCB FILE */
+ if ( !file_exists( filename ) ) return 0 ;
+
+ fp = file_open( filename, "rb0" ) ;
+ if ( !fp )
+ {
+ fprintf( stderr, "ERROR: Runtime error - Could not open file (%s)\n", filename ) ;
+ exit( 1 );
+ }
+
+ /* Read Header */
+
+ file_seek( fp, 0, SEEK_SET );
+ file_read( fp, &dcb, sizeof( DCB_HEADER_DATA ) ) ;
+
+ ARRANGE_DWORD( &dcb.data.Version );
+ ARRANGE_DWORD( &dcb.data.NProcs );
+ ARRANGE_DWORD( &dcb.data.NFiles );
+ ARRANGE_DWORD( &dcb.data.NID );
+ ARRANGE_DWORD( &dcb.data.NStrings );
+ ARRANGE_DWORD( &dcb.data.NLocVars );
+ ARRANGE_DWORD( &dcb.data.NLocStrings );
+ ARRANGE_DWORD( &dcb.data.NGloVars );
+
+ ARRANGE_DWORD( &dcb.data.SGlobal );
+ ARRANGE_DWORD( &dcb.data.SLocal );
+ ARRANGE_DWORD( &dcb.data.SText );
+
+ ARRANGE_DWORD( &dcb.data.NImports );
+
+ ARRANGE_DWORD( &dcb.data.NSourceFiles );
+
+ ARRANGE_DWORD( &dcb.data.NSysProcsCodes );
+
+ ARRANGE_DWORD( &dcb.data.OProcsTab );
+ ARRANGE_DWORD( &dcb.data.OID );
+ ARRANGE_DWORD( &dcb.data.OStrings );
+ ARRANGE_DWORD( &dcb.data.OText );
+ ARRANGE_DWORD( &dcb.data.OGlobal );
+ ARRANGE_DWORD( &dcb.data.OGloVars );
+ ARRANGE_DWORD( &dcb.data.OLocal );
+ ARRANGE_DWORD( &dcb.data.OLocVars );
+ ARRANGE_DWORD( &dcb.data.OLocStrings );
+ ARRANGE_DWORD( &dcb.data.OVarSpaces );
+ ARRANGE_DWORD( &dcb.data.OFilesTab );
+ ARRANGE_DWORD( &dcb.data.OImports );
+
+ ARRANGE_DWORD( &dcb.data.OSourceFiles );
+ ARRANGE_DWORD( &dcb.data.OSysProcsCodes );
+
+ if ( memcmp( dcb.data.Header, DCL_MAGIC, sizeof( DCL_MAGIC ) - 1 ) != 0 ) return 0 ;
+ if ( dcb.data.Version < 0x0710 ) return -1 ;
+
+ /* Load identifiers */
+
+ if ( dcb.data.NID )
+ {
+ dcb.id = ( DCB_ID * ) calloc( dcb.data.NID, sizeof( DCB_ID ) ) ;
+
+ FREEM( newid );
+ newid = calloc( dcb.data.NID, sizeof( int ) );
+
+ file_seek( fp, dcb.data.OID, SEEK_SET ) ;
+ for ( n = 0; n < dcb.data.NID; n++ )
+ {
+ file_read( fp, &dcb.id[n], sizeof( DCB_ID ) ) ;
+ ARRANGE_DWORD( &dcb.id[n].Code );
+ newid[dcb.id[n].Code] = identifier_search_or_add( ( const char * ) dcb.id[n].Name );
+ }
+ free( dcb.id );
+ }
+
+ /* Load strings */
+
+ if ( dcb.data.NStrings )
+ {
+ char * strdata = calloc( 1, dcb.data.SText );
+ uint32_t * stroffs = calloc( dcb.data.NStrings, sizeof( uint32_t ) );
+
+ FREEM( stringid );
+ stringid = calloc( dcb.data.NStrings, sizeof( int ) );
+
+ file_seek(( file * )fp, dcb.data.OStrings, SEEK_SET ) ;
+ file_readUint32A(( file * )fp, stroffs, dcb.data.NStrings ) ;
+
+ file_seek(( file * )fp, dcb.data.OText, SEEK_SET ) ;
+ file_read(( file * )fp, strdata, dcb.data.SText ) ;
+
+ for ( n = 0; n < dcb.data.NStrings; n++ ) stringid[n] = string_new( &strdata[stroffs[n]] );
+
+ free( strdata );
+ free( stroffs );
+ }
+
+ /* Load imports */
+
+ if ( dcb.data.NImports )
+ {
+ dcb.imports = ( uint32_t * )calloc( dcb.data.NImports, sizeof( uint32_t ) ) ;
+ file_seek( fp, dcb.data.OImports, SEEK_SET ) ;
+ file_readUint32A( fp, dcb.imports, dcb.data.NImports ) ;
+ for ( n = 0; n < dcb.data.NImports; n++ ) import_mod( ( char * ) string_get( stringid[dcb.imports[n]] ) );
+ FREEM( dcb.imports );
+ }
+
+ /* Recupero tabla de fixup de sysprocs */
+
+ sysproc_code_ref = calloc( dcb.data.NSysProcsCodes, sizeof( DCB_SYSPROC_CODE2 ) ) ;
+ file_seek( fp, dcb.data.OSysProcsCodes, SEEK_SET ) ;
+ for ( n = 0; n < dcb.data.NSysProcsCodes; n++ )
+ {
+ DCB_SYSPROC_CODE sdcb;
+ file_read( fp, &sdcb, sizeof( DCB_SYSPROC_CODE ) ) ;
+
+ ARRANGE_DWORD( &sdcb.Id );
+ ARRANGE_DWORD( &sdcb.Type );
+ ARRANGE_DWORD( &sdcb.Params );
+ ARRANGE_DWORD( &sdcb.Code );
+
+ sysproc_code_ref[n].Id = sdcb.Id ;
+ sysproc_code_ref[n].Type = sdcb.Type ;
+ sysproc_code_ref[n].Params = sdcb.Params ;
+ sysproc_code_ref[n].Code = sdcb.Code ;
+ sysproc_code_ref[n].ParamTypes = ( uint8_t * ) calloc( sdcb.Params + 1, sizeof( char ) );
+ if ( sdcb.Params ) file_read( fp, sysproc_code_ref[n].ParamTypes, sdcb.Params ) ;
+ }
+
+ /* Load sources */
+
+ if ( dcb.data.NSourceFiles )
+ {
+ char filename[__MAX_PATH] ;
+
+ fileid = calloc( dcb.data.NSourceFiles, sizeof( int ) );
+
+ dcb.sourcecount = ( uint32_t * ) calloc( dcb.data.NSourceFiles, sizeof( uint32_t ) ) ;
+ dcb.sourcelines = ( uint8_t *** ) calloc( dcb.data.NSourceFiles, sizeof( char ** ) ) ;
+ dcb.sourcefiles = ( uint8_t ** ) calloc( dcb.data.NSourceFiles, sizeof( char * ) ) ;
+ file_seek( fp, dcb.data.OSourceFiles, SEEK_SET ) ;
+ for ( n = 0; n < dcb.data.NSourceFiles; n++ )
+ {
+ int m;
+ uint32_t size;
+ file_readUint32( fp, &size ) ;
+ file_read( fp, filename, size ) ;
+ fileid[n] = -1;
+ for( m = 0; m < n_files; m++ ) if ( !strcmp( filename, files[m] ) ) fileid[n] = m;
+ if ( fileid[n] == -1 )
+ {
+ strcpy( files[n_files], filename );
+ fileid[n] = n_files++;
+ }
+ }
+ }
+
+ /* Load datas */
+
+ glodata = ( void * ) calloc( dcb.data.SGlobal, 1 ) ;
+ locdata = ( void * ) calloc( dcb.data.SLocal, 1 ) ;
+
+ /* Recupera las zonas de datos globales */
+
+ file_seek( fp, dcb.data.OGlobal, SEEK_SET ) ;
+ file_read( fp, glodata, dcb.data.SGlobal ) ; /* **** */
+
+ file_seek( fp, dcb.data.OLocal, SEEK_SET ) ;
+ file_read( fp, locdata, dcb.data.SLocal ) ; /* **** */
+
+ /* Varspaces Load */
+
+ if ( dcb.data.NVarSpaces )
+ {
+ varspaces = ( VARSPACE * ) calloc( dcb.data.NVarSpaces, sizeof( VARSPACE ) ) ;
+ dcb.varspace = ( DCB_VARSPACE * ) calloc( dcb.data.NVarSpaces, sizeof( DCB_VARSPACE ) ) ;
+
+ file_seek( fp, dcb.data.OVarSpaces, SEEK_SET ) ;
+ for ( n = 0; n < dcb.data.NVarSpaces; n++ )
+ {
+ file_read( fp, &dcb.varspace[n], sizeof( DCB_VARSPACE ) ) ;
+ ARRANGE_DWORD( &dcb.varspace[n].NVars );
+ ARRANGE_DWORD( &dcb.varspace[n].OVars );
+ }
+
+ for ( n = 0; n < dcb.data.NVarSpaces; n++ )
+ {
+ if ( !dcb.varspace[n].NVars ) continue ;
+ file_seek( fp, dcb.varspace[n].OVars, SEEK_SET ) ;
+ dcb_varspaces_load( fp, &varspaces[n], varspaces, dcb.varspace[n].NVars );
+ }
+ }
+
+ if ( dcb.data.NGloVars )
+ {
+ file_seek( fp, dcb.data.OGloVars, SEEK_SET ) ;
+ dcb_vars_load( fp, &global, globaldata, glodata, dcb.data.NGloVars, &glovaroffs, dcb.data.SGlobal );
+ }
+
+ if ( dcb.data.NLocVars )
+ {
+ file_seek( fp, dcb.data.OLocVars, SEEK_SET ) ;
+ dcb_vars_load( fp, &local, localdata, locdata, dcb.data.NLocVars, &locvaroffs, dcb.data.SLocal );
+ }
+
+ if ( dcb.data.NLocStrings )
+ {
+ int o, newoff, found, m;
+ int * locstr = ( int * ) calloc( dcb.data.NLocStrings + 4, sizeof( int ) ) ;
+
+ file_seek( fp, dcb.data.OLocStrings, SEEK_SET ) ;
+ file_readUint32A( fp, (uint32_t *)locstr, dcb.data.NLocStrings ) ;
+ for ( m = 0; m < dcb.data.NLocStrings; m++ )
+ {
+ newoff = get_new_off( locstr[m], locvaroffs, dcb.data.NLocStrings );
+ for ( found = 0, o = 0; o < local.stringvar_count; o++ ) if ( newoff == local.stringvars[o] ) { found = 1; break; }
+ if ( !found ) varspace_varstring( &local, newoff );
+ }
+ FREEM( locstr );
+ }
+
+ /* Load process */
+
+ dcb.proc = ( DCB_PROC * ) calloc(( 1 + dcb.data.NProcs ), sizeof( DCB_PROC ) ) ;
+
+ file_seek( fp, dcb.data.OProcsTab, SEEK_SET ) ;
+ for ( n = 0; n < dcb.data.NProcs; n++ )
+ {
+ file_read( fp, &dcb.proc[n], sizeof( DCB_PROC_DATA ) ) ;
+
+ ARRANGE_DWORD( &dcb.proc[n].data.ID );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.Flags );
+ ARRANGE_DWORD( &dcb.proc[n].data.NParams );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.NPriVars );
+ ARRANGE_DWORD( &dcb.proc[n].data.NPriStrings );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.NPubVars );
+ ARRANGE_DWORD( &dcb.proc[n].data.NPubStrings );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.NSentences );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.SPrivate );
+ ARRANGE_DWORD( &dcb.proc[n].data.SPublic );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.SCode );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.OExitCode );
+ ARRANGE_DWORD( &dcb.proc[n].data.OErrorCode );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.OSentences );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.OPriVars );
+ ARRANGE_DWORD( &dcb.proc[n].data.OPriStrings );
+ ARRANGE_DWORD( &dcb.proc[n].data.OPrivate );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.OPubVars );
+ ARRANGE_DWORD( &dcb.proc[n].data.OPubStrings );
+ ARRANGE_DWORD( &dcb.proc[n].data.OPublic );
+
+ ARRANGE_DWORD( &dcb.proc[n].data.OCode );
+ }
+
+ for ( n = 0; n < dcb.data.NProcs; n++ )
+ {
+ char * pridata = NULL, *pubdata = NULL;
+ range * prioffs = NULL, * puboffs = NULL;
+
+ if ( !dcb.proc[n].data.SCode )
+ {
+ continue;
+ }
+ else if ( procdef_search( newid[dcb.proc[n].data.ID] ) )
+ {
+ if ( debug )
+ {
+ token.type = IDENTIFIER;
+ token.code = newid[dcb.proc[n].data.ID];
+ compile_warning(0, MSG_PROC_ALREADY_DEFINED);
+ }
+ continue;
+ }
+
+ proc = procdef_new(procdef_getid(), newid[dcb.proc[n].data.ID]);
+
+ codeblock_alloc(&proc->code, dcb.proc[n].data.SCode);
+
+ file_seek( fp, dcb.proc[n].data.OCode, SEEK_SET ) ;
+ file_readUint32A( fp, (uint32_t *)proc->code.data, dcb.proc[n].data.SCode / sizeof(uint32_t) ) ;
+ proc->code.current = dcb.proc[n].data.SCode / sizeof(uint32_t);
+
+ if ( dcb.proc[n].data.OExitCode )
+ proc->exitcode = dcb.proc[n].data.OExitCode ;
+ else
+ proc->exitcode = 0 ;
+
+ if ( dcb.proc[n].data.OErrorCode )
+ proc->errorcode = dcb.proc[n].data.OErrorCode ;
+ else
+ proc->errorcode = 0 ;
+
+ proc->defined = 1;
+ proc->declared = 1;
+ proc->imported = 1;
+ proc->flags = dcb.proc[n].data.Flags ;
+
+ proc->params = dcb.proc[n].data.NParams ;
+
+ if ( dcb.proc[n].data.SPrivate )
+ {
+ pridata = calloc(dcb.proc[n].data.SPrivate, 1);
+ file_seek( fp, dcb.proc[n].data.OPrivate, SEEK_SET ) ;
+ file_read( fp, pridata, dcb.proc[n].data.SPrivate ) ; /* *** */
+ }
+
+ if ( dcb.proc[n].data.SPublic )
+ {
+ pubdata = calloc(dcb.proc[n].data.SPublic, 1);
+ file_seek( fp, dcb.proc[n].data.OPublic, SEEK_SET ) ;
+ file_read( fp, pubdata, dcb.proc[n].data.SPublic ) ; /* *** */
+ }
+
+ if ( dcb.proc[n].data.NPriVars )
+ {
+ prioffs = calloc( dcb.proc[n].data.NPriVars, sizeof( range ) );
+ file_seek( fp, dcb.proc[n].data.OPriVars, SEEK_SET ) ;
+ dcb_vars_load( fp, proc->privars, proc->pridata, pridata, dcb.proc[n].data.NPriVars, &prioffs, dcb.proc[n].data.SPrivate );
+ }
+
+ if ( dcb.proc[n].data.NPubVars )
+ {
+ puboffs = calloc( dcb.proc[n].data.NPubVars, sizeof( range ) );
+ file_seek( fp, dcb.proc[n].data.OPubVars, SEEK_SET ) ;
+ dcb_vars_load( fp, proc->pubvars, proc->pubdata, pubdata, dcb.proc[n].data.NPubVars, &puboffs, dcb.proc[n].data.SPublic );
+ }
+
+ if ( dcb.proc[n].data.NPriStrings )
+ {
+ int m, * sv = ( int * )calloc( dcb.proc[n].data.NPriStrings, sizeof( int ) ) ;
+ file_seek( fp, dcb.proc[n].data.OPriStrings, SEEK_SET ) ;
+ file_readUint32A( fp, (uint32_t *)sv, dcb.proc[n].data.NPriStrings ) ;
+ for ( m = 0; m < dcb.proc[n].data.NPriStrings; m++ ) varspace_varstring( proc->privars, get_new_off( sv[m], prioffs, dcb.proc[n].data.NPriVars ));
+ FREEM( sv );
+ }
+
+ if ( dcb.proc[n].data.NPubStrings )
+ {
+ int m, * sv = ( int * )calloc( dcb.proc[n].data.NPubStrings, sizeof( int ) ) ;
+ file_seek( fp, dcb.proc[n].data.OPubStrings, SEEK_SET ) ;
+ file_readUint32A( fp, (uint32_t *)sv, dcb.proc[n].data.NPubStrings ) ;
+ for ( m = 0; m < dcb.proc[n].data.NPubStrings; m++ ) varspace_varstring( proc->pubvars, get_new_off( sv[m], puboffs, dcb.proc[n].data.NPubVars ));
+ FREEM( sv );
+ }
+
+ codeblock_adjust( &proc->code );
+
+ FREEM( pridata )
+ FREEM( pubdata )
+ FREEM( prioffs )
+ FREEM( puboffs )
+ }
+
+ FREEM( sysproc_code_ref );
+ FREEM( fileid );
+ FREEM( newid );
+ FREEM( stringid );
+ FREEM( glodata );
+ FREEM( locdata );
+ FREEM( glovaroffs );
+ FREEM( locvaroffs );
+
+ /* Recupera los ficheros incluídos */
+/* N/A
+ if ( dcb.data.NFiles )
+ {
+ DCB_FILE dcbfile;
+ char fname[__MAX_PATH];
+
+ xfile_init( dcb.data.NFiles );
+ file_seek( fp, dcb.data.OFilesTab, SEEK_SET ) ;
+ for ( n = 0 ; n < dcb.data.NFiles; n++ )
+ {
+ file_read( fp, &dcbfile, sizeof( DCB_FILE ) ) ;
+
+ ARRANGE_DWORD( &dcbfile.SName );
+ ARRANGE_DWORD( &dcbfile.SFile );
+ ARRANGE_DWORD( &dcbfile.OFile );
+
+ file_read( fp, &fname, dcbfile.SName ) ;
+ file_add_xfile( fp, NULL, dcbfile.OFile, fname, dcbfile.SFile ) ;
+ }
+ }
+*/
+ file_close( fp );
+
+ return 1 ;
+}
+
+/* ---------------------------------------------------------------------- */
diff --git a/core/bgdc/src/error.c b/core/bgdc/src/error.c
new file mode 100644
index 0000000..f18551e
--- /dev/null
+++ b/core/bgdc/src/error.c
@@ -0,0 +1,204 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+#include "errors.h"
+#include "files.h"
+
+/* Errors indexed table */
+struct _errindex errtable[10] ;
+
+/*
+ * Generate & populate the error table
+ */
+
+void err_buildErrorTable()
+{
+
+ file * fp ;
+ char fname[64] ;
+ char line[1024] ;
+ char * token ;
+ int code ;
+ int size ;
+ char * msg = NULL ;
+ struct _errmsg * err = NULL ;
+ int len;
+
+ /* open the desired localized error file, check for existence if not open EN default */
+ strcpy( fname, "msg/" ) ;
+ strcat( fname, langinfo ) ;
+ strcat( fname, ".msg" ) ;
+
+ if ( !file_exists( fname ) ) strcpy( fname, "msg/en.msg" ) ;
+
+ fp = file_open( fname, "r" ) ;
+
+ if ( fp )
+ {
+ while ( !file_eof( fp ) )
+ {
+ len = file_qgets( fp, line, 1024 );
+ if ( file_eof( fp ) ) break;
+ if ( !len ) continue;
+ /* Check for multiline... */
+ if ( line[0] == '_' )
+ {
+ /* must resize the string and concatenate */
+ if ( err )
+ {
+ size = strlen( err->msg ) + strlen( line ) ;
+ msg = ( char * )calloc( size, sizeof( char ) ) ;
+ strcpy( msg, err->msg ) ;
+ line[0] = '\n' ;
+ strcat( msg, line ) ;
+ free( err->msg ) ;
+ err->msg = strdup( msg ) ;
+ }
+ }
+ else
+ {
+ /* Check for comment */
+ token = strtok( line, "#" ) ;
+ code = 0 ;
+ while ( token != NULL )
+ {
+ /* don't process comments */
+ if ( strlen( token ) == 0 ) break ;
+ if ( !code ) code = atoi( token ) ;
+ else msg = token ;
+ token = strtok( NULL, "#" ) ;
+ }
+ if ( code ) err = err_addError( code, msg ) ;
+ }
+ }
+ file_close( fp ) ;
+ }
+}
+
+struct _errmsg * err_addError( int code, const char * msg )
+{
+
+ int idx ;
+ struct _errmsg * err ;
+ struct _errmsg * cerr ;
+
+ /* build error object */
+
+ err = calloc( 1, sizeof( struct _errmsg ) ) ;
+ if ( err )
+ {
+ err->code = code ;
+ err->msg = strdup( msg ) ;
+ err->prev = NULL ;
+ err->next = NULL ;
+
+ /* determine index to use... */
+ idx = code / 100 ;
+
+ /* find insertion point */
+
+ cerr = errtable[idx].errlist ;
+
+ if ( cerr )
+ {
+ while ( cerr->next ) cerr = cerr->next ;
+ cerr->next = err ;
+ err->prev = cerr ;
+ }
+ else
+ {
+ errtable[idx].errlist = err ;
+ }
+
+ errtable[idx].count++ ;
+ }
+
+ return err ;
+}
+
+void err_delError( struct _errmsg * err )
+{
+
+ int idx ;
+
+ if ( !err ) return ;
+
+ idx = err->code / 100 ;
+
+ if ( err->next )
+ {
+ err->next->prev = err->prev ;
+ }
+
+ if ( err->prev )
+ err->prev->next = err->next ;
+ else
+ errtable[idx].errlist = err->next ;
+
+ free( err->msg ) ;
+ free( err ) ;
+
+ errtable[idx].count-- ;
+
+}
+
+void err_destroyErrorTable( void )
+{
+
+ int i ;
+
+ for ( i = 0;i < 10;i++ )
+ {
+ while ( errtable[i].count > 0 )
+ {
+ err_delError( errtable[i].errlist ) ;
+ }
+ }
+}
+
+const char * err_getErrorByCode( int code )
+{
+
+ int idx ;
+ struct _errmsg * err ;
+
+ idx = code / 100 ;
+
+ err = errtable[idx].errlist ;
+
+ while ( err && err->code != code ) err = err->next ;
+
+ if ( !err ) return 0 ;
+
+ return err->msg ;
+}
diff --git a/core/bgdc/src/identifier.c b/core/bgdc/src/identifier.c
new file mode 100644
index 0000000..8ecaf23
--- /dev/null
+++ b/core/bgdc/src/identifier.c
@@ -0,0 +1,255 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "token.h"
+#include "identifiers.h"
+#include "compiler.h"
+
+/* ---------------------------------------------------------------------- */
+/* Gestor de identificadores */
+/* ---------------------------------------------------------------------- */
+
+static identifier * identifier_hash[64] ;
+static int identifier_code = 1 ;
+int identifier_count = 0 ;
+
+int identifier_hash_value(const char * string)
+{
+ int t = 0 ;
+ const char * ptr = string ;
+
+/* while (*ptr) t = (t << 1) | *ptr++ ; */
+ while (*ptr) t = (t << 3) | ( (*ptr++) & 0x07 ) ; /* Mejor dispersion en el hashing */
+
+ return (t & 63) ;
+}
+
+identifier * identifier_first()
+{
+ int n ;
+
+ for (n = 0 ; n < 64 ; n++)
+ {
+ if (identifier_hash[n])
+ return identifier_hash[n] ;
+ }
+ return 0 ;
+}
+
+identifier * identifier_next(identifier * id)
+{
+ int n ;
+
+ if (id->next) return id->next ;
+
+ n = identifier_hash_value(id->name) ;
+ for (n++ ; n < 64 ; n++)
+ {
+ if (identifier_hash[n])
+ return identifier_hash[n] ;
+ }
+ return 0 ;
+}
+
+void identifier_init()
+{
+ int i ;
+
+ for (i = 0 ; i < 64 ; i++) identifier_hash[i] = 0 ;
+
+ identifier_count = 0 ;
+ identifier_code = 1 ;
+}
+
+void identifier_dump()
+{
+ int i, ii ;
+ identifier * ptr ;
+
+ printf("\n---- %d identifiers ----\n\n", identifier_count) ;
+ for (i = 0 ; i < 64 ; i++)
+ {
+ ptr = identifier_hash[i] ;
+ ii = 0;
+ while (ptr)
+ {
+ ii++;
+ printf("%4d: %-32s [%04d] [%3d]\n", ptr->code, ptr->name, i, ii) ;
+ ptr = ptr->next ;
+ }
+ }
+}
+
+int identifier_add_as(const char * string, int code)
+{
+ int hash = identifier_hash_value(string) ;
+ identifier * w = (identifier *)calloc(1, sizeof(identifier)) ;
+
+ if (!w)
+ {
+ fprintf(stdout, "identifier_add: out of memory\n") ;
+ exit(1);
+ }
+
+ w->name = strdup(string) ;
+ if (!w->name)
+ {
+ fprintf(stdout, "identifier_add: out of memory\n") ;
+ exit(1);
+ }
+ w->line = line_count ; /* Save First appearance */
+ w->f = current_file ; /* Save File info */
+ w->code = code ;
+ w->next = identifier_hash[hash] ;
+ identifier_hash[hash] = w ;
+ identifier_count++ ;
+
+ return 1 ;
+}
+
+int identifier_add(const char * string)
+{
+ int code = identifier_code++ ;
+ if (!identifier_add_as(string, code)) return 0 ;
+ return code ;
+}
+
+int identifier_search(const char * string)
+{
+ int hash = identifier_hash_value(string) ;
+ identifier * ptr = identifier_hash[hash] ;
+
+ while (ptr)
+ {
+ if (!ptr->name) return 0;
+ if (ptr->name[0] == *string)
+ {
+ if (strcmp(string, ptr->name) == 0) break ;
+ }
+ ptr = ptr->next ;
+ }
+ return ptr ? ptr->code : 0 ;
+}
+
+/* Return line for the identifier */
+int identifier_line(int code)
+{
+ int i ;
+ identifier * ptr ;
+
+ for (i = 0 ; i < 64 ; i++)
+ {
+ ptr = identifier_hash[i] ;
+ while (ptr)
+ {
+ if (ptr->code == code) {
+ return ptr->line ;
+ }
+ ptr = ptr->next ;
+ }
+ }
+ return 0 ;
+}
+
+/* Return file for the identifier */
+int identifier_file(int code)
+{
+ int i ;
+ identifier * ptr ;
+
+ for (i = 0 ; i < 64 ; i++)
+ {
+ ptr = identifier_hash[i] ;
+ while (ptr)
+ {
+ if (ptr->code == code) {
+ return ptr->f ;
+ }
+ ptr = ptr->next ;
+ }
+ }
+ return 0 ;
+}
+
+const char * identifier_name(int code)
+{
+ int i ;
+ identifier * ptr ;
+
+ for (i = 0 ; i < 64 ; i++)
+ {
+ ptr = identifier_hash[i] ;
+ while (ptr)
+ {
+ if (ptr->code == code) {
+ return ptr->name ;
+ }
+ ptr = ptr->next ;
+ }
+ }
+ return 0 ;
+}
+
+int identifier_search_or_add(const char * string)
+{
+ int result ;
+
+ result = identifier_search(string) ;
+ return result ? result : identifier_add(string) ;
+}
+
+int identifier_next_code()
+{
+ return identifier_code ;
+}
+
+int identifier_is_basic_type(int id)
+{
+ return (
+ id == identifier_int ||
+ id == identifier_short ||
+ id == identifier_char ||
+ id == identifier_dword ||
+ id == identifier_word ||
+ id == identifier_byte ||
+ id == identifier_signed ||
+ id == identifier_unsigned ||
+ id == identifier_float ||
+ id == identifier_string
+ );
+}
+
+int identifier_is_type(int id)
+{
+ return identifier_is_basic_type(id) || segment_by_name(id) != NULL;
+}
+
diff --git a/core/bgdc/src/main.c b/core/bgdc/src/main.c
new file mode 100644
index 0000000..6b80154
--- /dev/null
+++ b/core/bgdc/src/main.c
@@ -0,0 +1,496 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <time.h>
+
+#ifdef WIN32
+/* NEEDED FOR LOCALE DETECTION */
+#include <windows.h>
+#include <windef.h>
+#include <winnls.h>
+#include "shlwapi.h"
+#endif
+
+#include "bgdc.h"
+
+#include "errors.h"
+
+/* --------------------------------------------------------------------------- */
+
+#define REMOVE_EXT(s) {char *p; if ((p = strrchr(s, '.')) && (p > strrchr(s, '\\') && p > strrchr(s, '/'))) * p = '\0';}
+
+extern int load_file( char * filename );
+extern void import_files( char * filename );
+extern void add_simple_define( char * macro, char *text );
+extern int dcb_options;
+
+extern int dcb_load_lib( const char * filename );
+
+/* --------------------------------------------------------------------------- */
+
+char langinfo[64];
+
+extern int debug;
+int autodeclare = 1;
+int libmode = 0;
+
+char * main_path = NULL;
+
+char * appexename = NULL;
+char * appexepath = NULL;
+char * appexefullpath = NULL;
+
+/* --------------------------------------------------------------------------- */
+
+static char timebuff[11]; /* YYYY/MM/DD or HH:MM:SS */
+static char _tmp[128];
+
+/* --------------------------------------------------------------------------- */
+
+int main( int argc, char *argv[] )
+{
+ time_t curtime;
+ struct tm *loctime;
+ int value, code;
+ char * d, *d1;
+
+ char * sourcefile = 0;
+ char basepathname[__MAX_PATH] = "";
+ char dcbname[__MAX_PATH] = "";
+ char stubname[__MAX_PATH] = "";
+ char importname[__MAX_PATH] = "";
+ char compilerimport[__MAX_PATH] = "";
+ int i, j;
+ char *ptr;
+
+ /* get my executable name */
+ ptr = argv[0] + strlen( argv[0] );
+ while ( ptr > argv[0] && ptr[-1] != '\\' && ptr[-1] != '/' ) ptr-- ;
+ appexename = strdup( ptr );
+
+ /* get executable full pathname */
+ appexefullpath = getfullpath( argv[0] );
+ if ( ( !strchr( argv[0], '\\' ) && !strchr( argv[0], '/' ) ) && !file_exists( appexefullpath ) )
+ {
+ char *p = whereis( appexename );
+ if ( p )
+ {
+ char * tmp = calloc( 1, strlen( p ) + strlen( appexename ) + 2 );
+ free( appexefullpath );
+ sprintf( tmp, "%s/%s", p, appexename );
+ appexefullpath = getfullpath( tmp );
+ free( tmp );
+ }
+ }
+
+ /* get pathname of executable */
+ ptr = strstr( appexefullpath, appexename );
+ appexepath = calloc( 1, ptr - appexefullpath + 1 );
+ strncpy( appexepath, appexefullpath, ptr - appexefullpath );
+
+ printf( BGDC_VERSION "\n"
+ "Bennu Game Development Compiler\n"
+ "\n"
+ "Copyright (c) 2006-2016 SplinterGU (Fenix/BennuGD)\n"
+ "Copyright (c) 2002-2006 Fenix Team (Fenix)\n"
+ "Copyright (c) 1999-2002 José Luis Cebrián Pagüe (Fenix)\n"
+ "\n" );
+
+ /* Default lang to EN */
+ strcpy( langinfo, "EN" );
+ /* LANG detect */
+#ifdef WIN32
+ GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_SABBREVCTRYNAME, langinfo, 64 );
+ strlwr( langinfo );
+#else
+ if ( getenv( "LANG" ) != NULL && strlen( getenv( "LANG" ) ) >= 2 )
+ strcpy( langinfo, getenv( "LANG" ) );
+#endif
+ langinfo[2] = 0;
+
+ srand( time( NULL ) );
+
+ /* build error messages list */
+ err_buildErrorTable();
+
+ init_c_type();
+ identifier_init();
+ constants_init();
+ string_init();
+ compile_init();
+
+ mainproc = procdef_new( procdef_getid(), identifier_search_or_add( "MAIN" ) ) ;
+
+ /* Init vars */
+
+ char tmp_version[ 32 ];
+ sprintf( tmp_version, "\"%s\"", VERSION );
+ add_simple_define( "COMPILER_VERSION", tmp_version );
+ add_simple_define( "__VERSION__", tmp_version );
+
+ curtime = time( NULL ); /* Get the current time. */
+ loctime = localtime( &curtime ); /* Convert it to local time representation. */
+
+ strftime( timebuff, sizeof( timebuff ), "%Y/%m/%d", loctime );
+ value = string_new( timebuff );
+ code = identifier_search_or_add( "__DATE__" ) ;
+ constants_add( code, typedef_new( TYPE_STRING ), value ) ;
+
+ strftime( timebuff, sizeof( timebuff ), "%H:%M:%S", loctime );
+ value = string_new( timebuff );
+ code = identifier_search_or_add( "__TIME__" ) ;
+ constants_add( code, typedef_new( TYPE_STRING ), value ) ;
+/*
+ value = string_new( VERSION );
+ code = identifier_search_or_add( "__VERSION__" ) ;
+ constants_add( code, typedef_new( TYPE_STRING ), value ) ;
+ code = identifier_search_or_add( "COMPILER_VERSION" ) ;
+ constants_add( code, typedef_new( TYPE_STRING ), value ) ;
+*/
+ strcpy( _tmp, VERSION );
+ d = strchr( _tmp, '.' ); *d = '\0'; add_simple_define( "__BGD__", _tmp );
+ d1 = d + 1; d = strchr( d1, '.' ); *d = '\0'; add_simple_define( "__BGD_MINOR__", d1 );
+ d1 = d + 1; add_simple_define( "__BGD_PATCHLEVEL__", d1 );
+
+ memset( &dcb, 0, sizeof( dcb ) );
+
+ core_init();
+ sysproc_init();
+
+ /* Get command line parameters */
+
+ for ( i = 1 ; i < argc ; i++ )
+ {
+ if ( argv[i][0] == '-' )
+ {
+ if ( !strcmp( argv[i], "--pedantic" ) )
+ {
+ autodeclare = 0 ;
+ continue;
+ }
+
+ if ( !strcmp( argv[i], "--libmode" ) )
+ {
+ libmode = 1 ;
+ continue;
+ }
+
+ j = 1;
+ while ( argv[i][j] )
+ {
+ if ( argv[i][j] == 'd' )
+ {
+ if ( argv[i][j + 1] >= '0' && argv[i][j + 1] <= '9' )
+ {
+ debug = atoi( &argv[i][j + 1] );
+ }
+ else
+ {
+ debug = 1;
+ }
+ }
+
+ if ( argv[i][j] == 'o' )
+ {
+ if ( argv[i][j + 1] )
+ strncpy( dcbname, &argv[i][j + 1], sizeof( dcbname ) );
+ else if ( argv[i + 1] && argv[i + 1][0] != '-' )
+ strncpy( dcbname, argv[++i], sizeof( dcbname ) );
+ break;
+ }
+
+ if ( argv[i][j] == 'c' ) dos_chars = 1;
+
+ if ( argv[i][j] == 'a' ) autoinclude = 1;
+
+ if ( argv[i][j] == 'g' ) dcb_options |= DCB_DEBUG;
+
+ if ( argv[i][j] == 'p' ) autodeclare = 0 ;
+
+ if ( argv[i][j] == 's' )
+ {
+ /* -s "stub": Use a stub */
+
+ if ( argv[i][j + 1] )
+ strncpy( stubname, &argv[i][j + 1], __MAX_PATH );
+ else if ( argv[i + 1] && argv[i + 1][0] != '-' )
+ strncpy( stubname, argv[++i], __MAX_PATH );
+ break;
+ }
+
+ if ( argv[i][j] == 'f' )
+ {
+ /* -f "file": Embed a file to the DCB */
+
+ if ( argv[i][j + 1] )
+ dcb_add_file( &argv[i][j + 1] );
+ else while ( argv[i + 1] )
+ {
+ if ( argv[i + 1][0] == '-' ) break;
+ dcb_add_file( argv[i + 1] );
+ i++;
+ }
+ break;
+ }
+
+ if ( argv[i][j] == 'i' )
+ {
+ /* -i "path": add a file to the path for include files */
+
+ if ( argv[i][j + 1] == 0 )
+ {
+ if ( i == argc - 1 )
+ {
+ printf( MSG_DIRECTORY_MISSING "\n" );
+ exit( 1 );
+ }
+ file_addp( argv[i + 1] );
+ i++;
+ break;
+ }
+ file_addp( &argv[i][j + 1] );
+ break;
+ }
+
+ if ( argv[i][j] == 'l' )
+ {
+ /* -lLANG: Set the language for errors and messages */
+
+ if ( argv[i][j + 1] == 0 )
+ {
+ if ( i != argc - 1 )
+ {
+ strcpy( langinfo, argv[i + 1] );
+ }
+ i++;
+ break;
+ }
+ strcpy( langinfo, &argv[i][j + 1] );
+ break;
+ }
+
+ if ( argv[i][j] == 'D' )
+ {
+ char * macro = NULL ;
+ char * text = NULL ;
+
+ /* -D<macro>=<text> */
+
+ if ( argv[i][j + 1] )
+ {
+ macro = strdup( &argv[i][j + 1] );
+ }
+ else
+ {
+ if ( argv[i + 1][0] == '-' ) break;
+ macro = strdup( argv[i + 1] );
+ i++;
+ }
+
+ if (( text = strchr( macro, '=' ) ) )
+ {
+ * text = '\0';
+ text++;
+ }
+ else
+ {
+ text = "";
+ }
+
+ add_simple_define( macro, text );
+ free( macro );
+ break;
+ }
+
+ if ( argv[i][j] == 'C' )
+ {
+ if ( argv[i][j + 1] == 'a' ) autodeclare = 1 ;
+ break;
+ }
+
+ if ( argv[i][j] == 'L' )
+ {
+ int r = 1;
+ char * f;
+ if ( argv[i][j + 1] )
+ r = dcb_load_lib( ( f = &argv[i][j + 1] ) );
+ else if ( argv[i + 1] && argv[i + 1][0] != '-' )
+ {
+ r = dcb_load_lib( ( f = argv[i + 1] ) );
+ i++;
+ }
+
+ switch ( r )
+ {
+ case 0:
+ printf( "ERROR: %s doesn't exist or isn't version DCB compatible\n", f ) ;
+ exit( -1 );
+
+ case -1:
+ printf( "ERROR: %s isn't 7.10 DCB version, you need a 7.10 version or greater for use this feature\n", f ) ;
+ exit( -1 );
+ }
+ break;
+ }
+
+ j++;
+ }
+ }
+ else
+ {
+/*
+ if ( sourcefile )
+ {
+ printf( MSG_TOO_MANY_FILES "\n" );
+ return 0;
+ }
+*/
+ char * p, * pathend = NULL;
+
+ sourcefile = argv[i];
+ p = main_path = strdup( argv[i] );
+ while ( p && *p )
+ {
+ if ( *p == ':' || *p == '\\' || *p == '/' ) pathend = p;
+ p++;
+ }
+ if ( pathend )
+ {
+ *( pathend + 1 ) = '\0';
+ file_addp( main_path );
+ }
+ else
+ {
+ free( main_path );
+ main_path = getcwd(malloc(__MAX_PATH), __MAX_PATH);
+ strcat(main_path, PATH_SEP);
+ }
+
+ /* Files names */
+
+ strcpy( basepathname, sourcefile );
+ REMOVE_EXT( basepathname );
+
+ /* Default compiler imports */
+ strcpy( compilerimport, argv[0] );
+#ifdef WIN32
+ REMOVE_EXT( compilerimport );
+#endif
+ strcat( compilerimport, ".imp" );
+ import_files( compilerimport );
+ strcat( compilerimport, "ort" ); /* name.import */
+ import_files( compilerimport );
+
+ /* Project imports */
+ strcpy( importname, basepathname ); strcat( importname, ".imp" );
+ import_files( importname );
+
+ strcat( importname, "ort" ); /* name.import */
+ import_files( importname );
+
+ /* Load Main Source File */
+ load_file( sourcefile );
+
+ if ( !dcbname[0] )
+ {
+ strcpy( dcbname, basepathname ); strcat( dcbname, !libmode ? ".dcb" : ".dcl" );
+ }
+ }
+ }
+
+ if ( !sourcefile )
+ {
+ printf( MSG_USING
+ MSG_OPTION_D
+ MSG_OPTIONS
+ MSG_LICENSE, argv[0] );
+ return 0;
+ }
+
+ compile_program();
+
+ if ( stubname[0] != 0 )
+ {
+ if ( !file_exists( stubname ) )
+ {
+#ifdef WIN32
+ char exepath[__MAX_PATH];
+
+ GetModuleFileName( NULL, exepath, sizeof( exepath ) );
+ PathRemoveFileSpec( exepath );
+ strcat( exepath, "\\" );
+ memmove( stubname + strlen( exepath ), stubname, strlen( stubname ) + 1 );
+ memcpy( stubname, exepath, strlen( exepath ) );
+#else
+ const char * ptr = argv[0] + strlen( argv[0] );
+ while ( ptr > argv[0] && *ptr != '\\' && *ptr != '/' ) ptr--;
+ if ( *ptr == '\\' || *ptr == '/' ) ptr++;
+ if ( ptr > argv[0] )
+ {
+ memmove( stubname + ( ptr - argv[0] ), stubname, strlen( stubname ) + 1 );
+ memcpy( stubname, argv[0], ptr - argv[0] );
+ }
+#endif
+ if ( !file_exists( stubname ) )
+ {
+#ifdef WIN32
+ strcat( stubname, ".exe" );
+ if ( !file_exists( stubname ) )
+ {
+#endif
+ compile_error( "Can't open stub file %s", stubname );
+#ifdef WIN32
+ return -1;
+ }
+#endif
+
+ }
+ }
+
+ REMOVE_EXT( dcbname );
+#ifdef WIN32
+ strcat( dcbname, ".exe" );
+#endif
+ dcb_save( dcbname, dcb_options, stubname );
+ }
+ else
+ {
+ dcb_save( dcbname, dcb_options, NULL );
+ }
+
+ /* destroy error messages list */
+ err_destroyErrorTable();
+
+ return 1;
+}
+
+/* --------------------------------------------------------------------------- */
diff --git a/core/bgdc/src/main_core.c b/core/bgdc/src/main_core.c
new file mode 100644
index 0000000..4040e66
--- /dev/null
+++ b/core/bgdc/src/main_core.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+
+/* ----------------------------------------------------------------------- */
+/* Este módulo contiene las definiciones de constantes, globales y locales */
+/* predefinidos, así como el código que los carga y define cada una de las */
+/* funciones del sistema (es llamado antes de empezar a compilar). */
+/* ----------------------------------------------------------------------- */
+
+static struct
+{
+ char * name ;
+ int type ;
+ int code ;
+}
+constants_def[] =
+{
+ { "STATUS_DEAD" , TYPE_DWORD, STATUS_DEAD },
+ { "STATUS_KILLED" , TYPE_DWORD, STATUS_KILLED },
+ { "STATUS_RUNNING" , TYPE_DWORD, STATUS_RUNNING },
+ { "STATUS_SLEEPING" , TYPE_DWORD, STATUS_SLEEPING },
+ { "STATUS_FROZEN" , TYPE_DWORD, STATUS_FROZEN },
+ { "STATUS_WAITING" , TYPE_DWORD, STATUS_WAITING_MASK },
+
+ { "NULL" , TYPE_DWORD, 0 },
+
+ { "FALSE" , TYPE_DWORD, 0 },
+ { "TRUE" , TYPE_DWORD, !0 },
+
+ { "OS_WIN32" , TYPE_DWORD, OS_WIN32 },
+ { "OS_LINUX" , TYPE_DWORD, OS_LINUX },
+ { "OS_BEOS" , TYPE_DWORD, OS_BEOS },
+ { "OS_MACOS" , TYPE_DWORD, OS_MACOS },
+ { "OS_GP32" , TYPE_DWORD, OS_GP32 },
+ { "OS_DC" , TYPE_DWORD, OS_DC },
+ { "OS_BSD" , TYPE_DWORD, OS_BSD },
+ { "OS_GP2X" , TYPE_DWORD, OS_GP2X },
+ { "OS_GP2X_WIZ" , TYPE_DWORD, OS_GP2X_WIZ },
+ { "OS_CAANOO" , TYPE_DWORD, OS_CAANOO },
+ { "OS_DINGUX_A320" , TYPE_DWORD, OS_DINGUX_A320 },
+ { "OS_WII" , TYPE_DWORD, OS_WII },
+ { "OS_ANDROID" , TYPE_DWORD, OS_ANDROID },
+ { "OS_IOS" , TYPE_DWORD, OS_IOS },
+
+ { "MIN_INT" , TYPE_INT , -2147483647L - 1 },
+ { "MAX_INT" , TYPE_INT , 2147483647L },
+ { "MIN_DWORD" , TYPE_DWORD, 0 },
+ { "MAX_DWORD" , TYPE_DWORD, 0xffffffff },
+
+ { "MIN_SHORT" , TYPE_SHORT, -32768 },
+ { "MAX_SHORT" , TYPE_SHORT, 32767 },
+ { "MIN_WORD" , TYPE_WORD , 0 },
+ { "MAX_WORD" , TYPE_WORD , 0xffff },
+
+ { "MIN_SBYTE" , TYPE_SBYTE, -128 },
+ { "MAX_SBYTE" , TYPE_SBYTE, 127 },
+ { "MIN_BYTE" , TYPE_BYTE , 0 },
+ { "MAX_BYTE" , TYPE_BYTE , 0xff },
+
+ { "MIN_CHAR" , TYPE_BYTE , 0 },
+ { "MAX_CHAR" , TYPE_BYTE , 0xff },
+
+ { NULL , 0 , 0 }
+} ;
+
+static char * globals_def =
+ "argc;\n"
+ "string argv[32];\n"
+ "os_id = -1;\n";
+
+static char * locals_def =
+ "id;\n"
+ "STRUCT reserved\n"
+ "process_type;\n"
+ "frame_percent;\n"
+ "status = STATUS_RUNNING;\n"
+ "saved_status = STATUS_RUNNING;\n"
+ "saved_priority;\n"
+ "END\n"
+
+ "father;\n"
+ "son;\n"
+ "smallbro;\n"
+ "bigbro;\n"
+ "priority;\n";
+
+void core_init()
+{
+ int i = 0, code ;
+
+ while ( constants_def[i].name )
+ {
+ code = identifier_search_or_add( constants_def[i].name ) ;
+ constants_add( code, typedef_new( constants_def[i].type ), constants_def[i].code ) ;
+ i++ ;
+ }
+
+ token_init( globals_def, -1 ) ;
+ compile_varspace( &global, globaldata, 1, 1, 0, NULL, DEFAULT_ALIGNMENT, 0 ) ;
+
+ token_init( locals_def, -1 ) ;
+ compile_varspace( &local, localdata, 1, 1, 0, NULL, DEFAULT_ALIGNMENT, 0 ) ;
+}
diff --git a/core/bgdc/src/procedure.c b/core/bgdc/src/procedure.c
new file mode 100644
index 0000000..09ca829
--- /dev/null
+++ b/core/bgdc/src/procedure.c
@@ -0,0 +1,192 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef TARGET_BEOS
+#include <posix/assert.h>
+#else
+#include <assert.h>
+#endif
+
+#include "bgdc.h"
+
+/* ---------------------------------------------------------------------- */
+/* Gestor de procesos y bloques de código. Este módulo contiene funciones */
+/* de utilidad para crear procesos y bloques de código así como otras que */
+/* se emplean durante y después del compilado. */
+/* ---------------------------------------------------------------------- */
+
+PROCDEF * mainproc = 0 ;
+int procdef_count = 0 ;
+
+int procdef_maxid = -1 ;
+PROCDEF ** procs = 0 ;
+int procs_allocated = 0 ;
+
+int procdef_getid()
+{
+ return ++procdef_maxid ;
+}
+
+PROCDEF * procdef_new (int typeid, int id)
+{
+ PROCDEF * proc = (PROCDEF *) calloc (1, sizeof(PROCDEF)) ;
+ int n ;
+
+ if (!proc)
+ {
+ fprintf (stdout, "procdef_new: out of memory\n") ;
+ exit (1) ;
+ }
+
+ proc->pridata = segment_new() ;
+ proc->privars = varspace_new() ;
+
+ /* (2006/11/19 23:15 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ proc->pubdata = segment_new() ;
+ proc->pubvars = varspace_new() ;
+ /* (2006/11/19 23:15 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+
+ proc->params = -1 ;
+ proc->defined = 0 ;
+ proc->declared = 0 ;
+ proc->type = TYPE_DWORD ;
+ proc->flags = 0 ;
+ proc->imported = 0 ;
+
+ proc->sentence_count = 0 ;
+ proc->sentences = 0 ;
+
+ if (typeid >= procs_allocated)
+ {
+ procs_allocated = typeid + 15 ;
+ procs = (PROCDEF **) realloc (procs, sizeof(PROCDEF **) * procs_allocated) ;
+ if (!procs)
+ {
+ fprintf (stdout, "procdef_new: out of memory\n") ;
+ exit (1) ;
+ }
+ }
+ proc->typeid = typeid ;
+ proc->identifier = id ;
+ procs[typeid] = proc ;
+
+ for (n = 0 ; n < MAX_PARAMS ; n++)
+ proc->paramtype[n] = TYPE_UNDEFINED ;
+
+ proc->exitcode = 0 ;
+ proc->errorcode = 0 ;
+
+ codeblock_init (&proc->code) ;
+ procdef_count++ ;
+ return proc ;
+}
+
+PROCDEF * procdef_search (int id)
+{
+ int n ;
+
+ for (n = 0 ; n <= procdef_maxid; n++)
+ if (procs[n]->identifier == id) return procs[n] ;
+
+ return 0 ;
+}
+
+PROCDEF * procdef_search_by_codeblock (CODEBLOCK * p)
+{
+ int n ;
+
+ for (n = 0 ; n <= procdef_maxid; n++)
+ if (&procs[n]->code == p) return procs[n] ;
+
+ return 0 ;
+}
+
+PROCDEF * procdef_get (int typeid)
+{
+ return procs_allocated > typeid ? procs[typeid] : 0 ;
+}
+
+void procdef_destroy (PROCDEF * proc)
+{
+ varspace_destroy (proc->privars) ;
+ segment_destroy (proc->pridata) ;
+
+ /* (2006/11/20 01:09 GMT-03:00, Splinter - jj_arg@yahoo.com) */
+ varspace_destroy (proc->pubvars);
+ segment_destroy (proc->pubdata) ;
+
+ procs[proc->typeid] = 0 ;
+ free (proc->code.data) ;
+ free (proc->code.loops) ;
+ free (proc->code.labels) ;
+ free (proc) ;
+
+ procdef_count-- ;
+}
+
+
+/* Realiza acciones posteriores al compilado sobre el código:
+ * - Convierte saltos de código de etiqueta a offset
+ * - Convierte identificador de procesos en CALL o TYPE a typeid */
+
+void program_postprocess ()
+{
+ int n ;
+ for (n = 0; n <= procdef_maxid; n++) codeblock_postprocess (&procs[n]->code) ;
+}
+
+void program_dumpprocesses()
+{
+ int n;
+ for (n = 0; n <= procdef_maxid; n++) procdef_dump( procs[n] );
+}
+
+void procdef_dump( PROCDEF * proc )
+{
+ printf( "\n\n---------- Process %d (%s)\n\n", proc->typeid, identifier_name( proc->identifier ) ) ;
+
+ if ( proc->privars->count )
+ {
+ printf( "---- Private variables\n" ) ;
+ varspace_dump( proc->privars, 0 ) ;
+ printf( "\n" ) ;
+ }
+
+ if ( proc->pubvars->count )
+ {
+ printf( "---- Public variables\n" ) ;
+ varspace_dump( proc->pubvars, 0 ) ;
+ printf( "\n" ) ;
+ }
+
+ /* segment_dump (proc->pridata) ; */
+ codeblock_dump( &proc->code ) ;
+}
diff --git a/core/bgdc/src/resource.h b/core/bgdc/src/resource.h
new file mode 100644
index 0000000..2bcfd14
--- /dev/null
+++ b/core/bgdc/src/resource.h
@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Developer Studio generated include file.
+// Used by bgdc.rc
+//
+#define IDI_ICON1 101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE 102
+#define _APS_NEXT_COMMAND_VALUE 40001
+#define _APS_NEXT_CONTROL_VALUE 1000
+#define _APS_NEXT_SYMED_VALUE 101
+#endif
+#endif
diff --git a/core/bgdc/src/segment.c b/core/bgdc/src/segment.c
new file mode 100644
index 0000000..93e5348
--- /dev/null
+++ b/core/bgdc/src/segment.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+
+static int max_id = 0 ;
+static int free_id[1024] ;
+static int free_count = 0 ;
+
+static segment ** segments = 0 ;
+static int segments_reserved = 0 ;
+
+segment * globaldata, * localdata ;
+
+static void segment_register (segment * s)
+{
+ /* Saves the segment in the global array */
+
+ if (!segments)
+ {
+ segments = (segment **)calloc (16, sizeof(segment *)) ;
+ segments_reserved = 16 ;
+ }
+ if (segments_reserved <= s->id)
+ {
+ segments_reserved = s->id + 16 ;
+ segments = (segment **)calloc (segments_reserved, sizeof(segment *)) ;
+ }
+ if (!segments) compile_error ("segment_new: out of memory\n") ;
+ segments[s->id] = s ;
+}
+
+segment * segment_new ()
+{
+ /* Creates the segment */
+
+ segment * s = (segment *)calloc (1, sizeof(segment)) ;
+ if (!s) compile_error ("segment_new: out of memory\n") ;
+
+ if (free_count)
+ s->id = free_id[--free_count] ;
+ else
+ s->id = max_id++ ;
+
+ s->current = 0 ;
+ s->reserved = 128 ;
+
+ s->bytes = (int *) calloc(s->reserved, sizeof(char)) ; /* Tamaño en bytes */
+ if (!s->bytes) compile_error ("segment_new: out of memory\n") ;
+
+ segment_register (s) ;
+ return s ;
+}
+
+segment * segment_duplicate (segment * b)
+{
+ segment * s = (segment *)calloc (1, sizeof(segment)) ;
+ if (!s) compile_error ("segment_new: out of memory\n") ;
+
+ if (free_count)
+ s->id = free_id[--free_count] ;
+ else
+ s->id = max_id++ ;
+
+ s->current = b->current ;
+ s->reserved = b->reserved ;
+
+ s->bytes = (int *) calloc(s->reserved, sizeof(char)) ; /* Tamaño en bytes */
+ if (!s->bytes) compile_error ("segment_new: out of memory\n") ;
+ memcpy (s->bytes, b->bytes, s->current) ;
+
+ segment_register (s) ;
+ return s ;
+}
+
+void segment_destroy (segment * s)
+{
+ segments[s->id] = 0 ;
+ if (free_count < 1024) free_id[free_count++] = s->id ;
+
+ free (s->bytes) ;
+ free (s) ;
+}
+
+void segment_alloc (segment * n, int count)
+{
+ n->reserved += count ;
+ n->bytes = realloc (n->bytes, n->reserved) ;
+ if (!n->bytes) compile_error ("segment_alloc: out of memory\n") ;
+}
+
+int segment_add_as (segment * n, int32_t value, BASETYPE t)
+{
+ switch (t)
+ {
+ case TYPE_DWORD:
+ case TYPE_INT:
+ case TYPE_FLOAT:
+ case TYPE_STRING:
+ case TYPE_POINTER:
+ return segment_add_dword (n, (int32_t)value) ;
+
+ case TYPE_WORD:
+ case TYPE_SHORT:
+ return segment_add_word (n, (int16_t)value) ;
+
+ case TYPE_BYTE:
+ case TYPE_SBYTE:
+ case TYPE_CHAR:
+ return segment_add_byte (n, (int8_t)value) ;
+
+ default:
+ compile_error (MSG_INCOMP_TYPE) ;
+ return 0 ;
+ }
+}
+
+int segment_add_from (segment * n, segment * s)
+{
+ if (n->current+s->current >= n->reserved) segment_alloc (n, s->current) ;
+ memcpy ((uint8_t *)n->bytes + n->current, s->bytes, s->current) ;
+ return n->current += s->current ;
+}
+
+int segment_add_byte (segment * n, int8_t value)
+{
+ if (n->current+1 >= n->reserved) segment_alloc (n, 64) ;
+ *((int8_t *)n->bytes + n->current) = value ;
+ return n->current ++ ;
+}
+
+int segment_add_word (segment * n, int16_t value)
+{
+ if (n->current+2 >= n->reserved) segment_alloc (n, 64) ;
+ *(int16_t *)((uint8_t *)n->bytes + n->current) = value ;
+ n->current += 2 ;
+ return n->current - 2 ;
+}
+
+int segment_add_dword (segment * n, int32_t value)
+{
+ if (n->current+4 >= n->reserved) segment_alloc (n, 64) ;
+ *(int32_t *)((uint8_t *)n->bytes + n->current) = value ;
+ n->current += 4 ;
+ return n->current - 4 ;
+}
+
+segment * segment_get (int id)
+{
+ return segments[id] ;
+}
+
+void segment_dump (segment * s)
+{
+ int i ;
+
+ for (i = 0 ; i < s->current ; i++) printf ("%02X ", *((uint8_t*)s->bytes + i)) ;
+ printf ("\n") ;
+}
+
+void segment_copy(segment *s, int base_offset, int total_length)
+{
+ if (s->reserved < s->current + total_length) segment_alloc (s, total_length) ;
+ memcpy ((uint8_t *)s->bytes + s->current, (uint8_t *)s->bytes + base_offset, total_length) ;
+ s->current += total_length ;
+}
+
+VARIABLE * variable_new ()
+{
+ VARIABLE * v = (VARIABLE *) calloc (1, sizeof(VARIABLE)) ;
+
+ if (!v) compile_error ("variable_new: out of memory\n") ;
+ return v;
+}
+
+/* Segmentos nombrados */
+
+static segment ** named_segs = NULL ;
+static int * named_codes = NULL ;
+static int named_count = 0 ;
+static int named_reserved = 0;
+
+segment * segment_by_name (int code)
+{
+ int n ;
+
+ for (n = 0 ; n < named_count ; n++)
+ if (named_codes[n] == code) return named_segs[n] ;
+ return 0 ;
+}
+
+void segment_name (segment * s, int code)
+{
+ if (named_count >= named_reserved)
+ {
+ named_reserved += 16;
+ named_segs = realloc(named_segs, named_reserved * sizeof (segment *));
+ named_codes = realloc(named_codes, named_reserved * sizeof (int));
+ if (!named_segs || !named_codes) compile_error ("segment_name: out of memory\n") ;
+ }
+ named_segs[named_count] = s ;
+ named_codes[named_count] = code ;
+ named_count++ ;
+}
diff --git a/core/bgdc/src/strings.c b/core/bgdc/src/strings.c
new file mode 100644
index 0000000..1939862
--- /dev/null
+++ b/core/bgdc/src/strings.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef TARGET_BEOS
+#include <posix/assert.h>
+#else
+#include <assert.h>
+#endif
+
+#include "bgdc.h"
+
+/* ---------------------------------------------------------------------- */
+/* Gestor de cadenas */
+/* ---------------------------------------------------------------------- */
+
+char * string_mem = 0 ;
+int string_allocated = 0 ;
+int string_used = 0 ;
+
+int * string_offset = 0 ;
+int string_max = 0 ;
+int string_count = 0 ;
+
+int autoinclude = 0 ;
+
+void string_init()
+{
+ string_mem = ( char * ) calloc( 4096, sizeof( char ) ) ;
+ string_allocated = 4096 ;
+ string_used = 1 ;
+ string_count = 1 ;
+ string_offset = ( int * ) calloc( 1024, sizeof( int ) ) ;
+ string_max = 1024 ;
+ string_mem[ 0 ] = 0 ;
+ string_offset[ 0 ] = 0 ;
+}
+
+void string_alloc( int bytes )
+{
+ string_mem = ( char * ) realloc( string_mem, string_allocated += bytes ) ;
+ if ( !string_mem )
+ {
+ fprintf( stdout, "string_alloc: out of memory\n" ) ;
+ exit( 1 ) ;
+ }
+}
+
+void string_dump( void ( *wlog )( const char *fmt, ... ) )
+{
+ int i ;
+ printf( "\n---- %d strings ----\n\n", string_count ) ;
+ for ( i = 0 ; i < string_count ; i++ )
+ printf( "%4d: %s\n", i, string_mem + string_offset[ i ] ) ;
+}
+
+int string_new( const char * text )
+{
+ int len = strlen( text ) + 1 ;
+ int i;
+
+ /* Reuse strings */
+ for ( i = 0; i < string_count; i++ ) if ( !strcmp( text, string_mem + string_offset[ i ] ) ) return i;
+
+ if ( string_count == string_max )
+ {
+ string_max += 1024 ;
+ string_offset = ( int * ) realloc( string_offset, string_max * sizeof( int ) ) ;
+ if ( string_offset == 0 )
+ {
+ fprintf( stdout, "Too many strings\n" ) ;
+ exit( 1 ) ;
+ }
+ }
+
+ while ( string_used + len >= string_allocated ) string_alloc( 1024 ) ;
+
+ string_offset[ string_count ] = string_used ;
+ strcpy( string_mem + string_used, text ) ;
+ string_used += len ;
+ return string_count++ ;
+}
+
+
+char * validchars = "\\/.";
+char * invalidchars = \
+ "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F" \
+ "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F" \
+ "*?\"<>|";
+
+int check_for_valid_pathname( char * pathname )
+{
+ int n, l;
+
+ if ( !pathname || ( l = strlen( pathname ) ) > __MAX_PATH ) return 0;
+
+#if WIN32
+ /* Only ':' with this sintax: "L:..." */
+ if ( pathname[ 0 ] == ':' || ( l > 2 && strchr( pathname + 2, ':' ) ) ) return 0;
+#endif
+
+ /* Some invalid character? */
+ for ( n = 0; n < strlen( invalidchars ); n++ )
+ if ( strchr( pathname, invalidchars[ n ] ) ) return 0;
+
+ return 1;
+}
+
+int no_include_this_file = 0;
+
+int string_compile( const char ** source )
+{
+ char c = *( *source ) ++, conv ;
+ const char * ptr ;
+ int string_used_back = string_used;
+
+ if ( string_count == string_max )
+ {
+ string_max += 1024 ;
+ string_offset = ( int * ) realloc( string_offset, string_max * sizeof( int ) ) ;
+ if ( string_offset == 0 )
+ {
+ fprintf( stdout, "Too many strings\n" ) ;
+ exit( 1 ) ;
+ }
+ }
+
+ string_offset[ string_count ] = string_used ;
+
+ while ( *( *source ) )
+ {
+ if ( *( *source ) == c ) /* Termina la string? */
+ {
+ ( *source ) ++ ;
+ if ( *( *source ) == c ) /* Comienza una nueva? (esto es para strings divididas) */
+ {
+ ( *source ) ++ ;
+ }
+ else
+ {
+ /* Elimino todos los espacios para buscar si hay otra string, esto es para strings divididas */
+ ptr = ( *source ) ;
+ while ( ISSPACE( *ptr ) )
+ {
+ if ( *ptr == '\n' ) line_count++ ;
+ ptr++ ;
+ }
+ /* Si despues de saltar todos los espacios, no tengo un delimitador de string, salgo */
+ if ( *ptr != c )
+ {
+ ( *source ) = ptr; /* Fix: Splinter, por problema con numeracion de lineas */
+ break ;
+ }
+
+ /* Obtengo delimitador de string, me posiciono en el caracter siguiente, dentro de la string */
+ ( *source ) = ptr + 1 ;
+ continue ;
+ }
+ }
+ else if ( *( *source ) == '\n' )
+ {
+ line_count++ ;
+ string_mem[ string_used++ ] = '\n' ;
+
+ ( *source ) ++ ;
+ }
+ else
+ {
+#ifdef __USE_C_STRING_ESCAPE
+ if ( *( *source ) == '\\' && *( *source + 1 ) == c ) ( *source ) ++ ;
+#endif
+ conv = convert( *( *source ) ) ;
+ string_mem[ string_used++ ] = conv ;
+
+ ( *source ) ++ ;
+ }
+
+ if ( string_used >= string_allocated )
+ string_alloc( 1024 ) ;
+ }
+
+ string_mem[ string_used++ ] = 0 ;
+
+ int i;
+
+ /* Reuse strings */
+
+ for ( i = 0; i < string_count; i++ )
+ {
+ if ( !strcmp( string_mem + string_used_back, string_mem + string_offset[ i ] ) )
+ {
+ string_used = string_used_back;
+ return i;
+ }
+ }
+
+ if ( string_used >= string_allocated ) string_alloc( 1024 ) ;
+
+ /* Hack: añade el posible fichero al DCB */
+
+ if ( !no_include_this_file && autoinclude && check_for_valid_pathname( string_mem + string_offset[ string_count ] ) )
+ dcb_add_file( string_mem + string_offset[ string_count ] ) ;
+
+ no_include_this_file = 0;
+
+ return string_count++ ;
+}
+
+const char * string_get( int code )
+{
+ assert( code < string_count && code >= 0 ) ;
+ return string_mem + string_offset[ code ] ;
+}
+
diff --git a/core/bgdc/src/sysstub.c b/core/bgdc/src/sysstub.c
new file mode 100644
index 0000000..853fb20
--- /dev/null
+++ b/core/bgdc/src/sysstub.c
@@ -0,0 +1,239 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+
+/* Fast access sysproc list, by identifier code */
+
+SYSPROC ** sysproc_list = NULL ;
+int sysproc_maxid = 0 ;
+
+/* Este fichero contiene sólo las definiciones de las funciones del sistema */
+
+#define SYSMACRO(a) 0
+#include "sysprocs.h"
+
+/*
+ * FUNCTION : sysproc_init
+ *
+ * Initilize the module
+ *
+ * PARAMS:
+ * none
+ *
+ * RETURN VALUE:
+ * none
+ */
+
+void sysproc_init( void )
+{
+}
+
+/*
+ * FUNCTION : sysproc_add
+ *
+ * Add a new system function to the internal system function list
+ *
+ * PARAMS:
+ * name Name of the process
+ * paramtypes String representation of the parameter
+ * type Type of the returning value
+ * func Pointer to the function itself or a stub
+ *
+ * RETURN VALUE:
+ * Identifier code allocated for the function
+ */
+
+int sysproc_add( char * name, char * paramtypes, int type, void * func )
+{
+ static SYSPROC * sysproc_new = 0 ;
+ static int sysproc_maxcode = 0 ;
+ static int sysproc_count = 0 ;
+
+ if ( !sysproc_new )
+ {
+ sysproc_new = sysprocs ;
+ while ( sysproc_new->name )
+ {
+ if ( sysproc_new->code > sysproc_maxcode ) sysproc_maxcode = sysproc_new->code ;
+ sysproc_new++ ;
+ sysproc_count++ ;
+ }
+ }
+
+ if ( sysproc_count >= MAX_SYSPROCS ) compile_error( MSG_TOO_MANY_SYSPROCS ) ;
+
+ sysproc_maxcode++;
+
+ sysproc_new->code = sysproc_maxcode ;
+ sysproc_new->name = name ;
+ sysproc_new->paramtypes = paramtypes ;
+ sysproc_new->params = strlen( paramtypes ) ;
+ sysproc_new->type = type ;
+ sysproc_new->id = identifier_search_or_add( name ) ;
+ sysproc_new->next = NULL ;
+
+ sysproc_new++ ;
+ sysproc_count++ ;
+
+ /* If the fast-access list is already filled, free it to fill it again
+ * in sysproc_get. We should add the new process to the list, but this
+ * is a very rare possibility and we're lazy */
+
+ if ( sysproc_list != NULL )
+ {
+ free( sysproc_list );
+ sysproc_list = NULL;
+ sysproc_maxid = 0;
+ }
+
+ return sysproc_new->code ;
+}
+
+/*
+ * FUNCTION : sysproc_get
+ *
+ * Search for a system function by name and return a pointer
+ * to the first ocurrence or NULL if none exists
+ *
+ * PARAMS:
+ * id Unique code of the identifier of the name
+ *
+ * RETURN VALUE:
+ * Pointer to the SYSPROC object or NULL if none exists
+ */
+
+SYSPROC * sysproc_get( int id )
+{
+ SYSPROC * s ;
+
+ /* If the table is filled, get the process with direct access */
+
+ if ( id < sysproc_maxid ) return sysproc_list[id];
+
+ /* Fill the table */
+
+ if ( sysproc_list == NULL )
+ {
+ /* Alloc IDs if necessary and get the maximum one */
+
+ for ( s = sysprocs ; s->name ; s++ )
+ {
+ if ( s->id == 0 ) s->id = identifier_search_or_add( s->name ) ;
+ if ( s->id > sysproc_maxid ) sysproc_maxid = s->id;
+
+ s->next = NULL;
+ }
+
+ /* Alloc the table */
+
+ sysproc_maxid = (( sysproc_maxid + 1 ) & ~31 ) + 32;
+ sysproc_list = ( SYSPROC ** ) calloc( sysproc_maxid, sizeof( SYSPROC * ) );
+ if ( sysproc_list == NULL ) abort();
+
+ /* Fill it */
+
+ for ( s = sysprocs ; s->name ; s++ )
+ {
+ if ( s->id > 0 )
+ {
+ s->next = sysproc_list[s->id];
+ sysproc_list[s->id] = s;
+ }
+ }
+
+ if ( id < sysproc_maxid ) return sysproc_list[id];
+ }
+
+ return NULL;
+}
+
+/*
+ * FUNCTION : sysproc_getall
+ *
+ * Search for a system function by name and return a pointer
+ * to a zero-terminated table with pointers to all ocurrences.
+ * Up to 31 occurences can be found with this function.
+ *
+ * PARAMS:
+ * id Unique code of the identifier of the name
+ *
+ * RETURN VALUE:
+ * Pointer to a new SYSPROC table allocated with malloc()
+ * NULL if no process with this id exists
+ */
+
+SYSPROC ** sysproc_getall( int id )
+{
+ SYSPROC * s = sysproc_get( id ) ;
+ SYSPROC ** table;
+ int found = 0 ;
+
+ if ( s == NULL ) return NULL;
+
+ table = calloc( 32, sizeof( SYSPROC * ) ) ;
+ do
+ {
+ table[found++] = s;
+ s = s->next;
+ }
+ while ( s && found <= 31 );
+ table[found] = NULL;
+ return table ;
+}
+
+/*
+ * FUNCTION : sysproc_name
+ *
+ * Return the name of a given system function
+ *
+ * PARAMS:
+ * code Internal code of the function
+ *
+ * RETURN VALUE:
+ * Pointer to the name or NULL if it was not found
+ */
+
+/* ---------------------------------------------------------------------- */
+
+char * sysproc_name( int code )
+{
+ SYSPROC * s = sysprocs ;
+
+ while ( s->name )
+ {
+ if ( s->code == code ) return s->name ;
+ s++ ;
+ }
+ return 0 ;
+}
+
diff --git a/core/bgdc/src/token.c b/core/bgdc/src/token.c
new file mode 100644
index 0000000..5d47b98
--- /dev/null
+++ b/core/bgdc/src/token.c
@@ -0,0 +1,1424 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+/* Pending: no newline at end of file */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "bgdc.h"
+
+
+/* ---------------------------------------------------------------------- */
+/* Tokenizador. La función token_next, ampliamente utilizada, recoge el */
+/* siguiente token (identificador, operador, etc) del código fuente, y */
+/* rellena la estructura global "token" con los datos del mismo. */
+/* ---------------------------------------------------------------------- */
+
+int line_count = 0 ; /* Se pone a 0, ya que lo incremente con cada \n, y hasta no obtener un \n no se procesa la linea (Splinter) */
+int current_file = 0 ;
+
+static int prepro_sp = 0 ;
+static int prepro_stack[1024] ;
+
+static int disable_prepro = 0 ;
+static int disable_expand_defines = 0 ;
+static int identifiers_as_strings = 0 ;
+
+struct _token token ;
+struct _token token_prev ;
+struct _token token_saved ;
+static int use_saved = 0 ;
+
+typedef struct _define
+{
+ int code;
+ char * text;
+ int param_count;
+ int param_id[MAX_MACRO_PARAMS];
+}
+DEFINE;
+
+static const char * source_ptr;
+static char * source_start;
+static const char * old_sources[MAX_SOURCES];
+static char * old_sources_start[MAX_SOURCES];
+static int old_line_counts[MAX_SOURCES];
+static int old_current_file[MAX_SOURCES];
+static int sources = 0;
+static DEFINE * defines = NULL;
+static int defines_allocated = 0;
+static int defines_count = 0;
+static int id_define;
+static int id_undef;
+static int id_ifdef;
+static int id_ifndef;
+static int id_endif;
+static int id_else;
+static int id_if;
+
+/* --------------------------------------------------------------------------- */
+
+static int token_endfile();
+
+/* ---------------------------------------------------------------------- */
+
+#define SKIP_C89_COMMENTS \
+ if (*source_ptr && *source_ptr == '/' && *(source_ptr + 1) == '*') { \
+ * ((char *) source_ptr++) = ' '; * ((char *) source_ptr++) = ' '; \
+ while (*source_ptr && (*source_ptr != '*' || *(source_ptr + 1) != '/')) { \
+ if (*source_ptr == '\n') { line_count++; * ((char *) source_ptr++) = ' '; continue ;} \
+ * ((char *) source_ptr++) = ' '; \
+ } \
+ if (*source_ptr == '*' && *(source_ptr + 1) == '/') { \
+ * ((char *) source_ptr++) = ' '; * ((char *) source_ptr++) = ' '; \
+ } \
+ continue;\
+ }
+
+
+#define SKIP_C99_COMMENTS \
+ if (*source_ptr && *source_ptr == '/' && *(source_ptr + 1) == '/') { \
+ * ((char *) source_ptr++) = ' '; * ((char *) source_ptr++) = ' '; \
+ while (*source_ptr && *source_ptr != '\n') { \
+ if (*source_ptr == '\\' && *(source_ptr + 1) == '\n') { line_count++; * ((char *) source_ptr++) = ' ';} \
+ * ((char *) source_ptr++) = ' '; \
+ } \
+ continue; \
+ }
+
+
+#define SKIP_COMMENTS \
+ SKIP_C89_COMMENTS \
+ SKIP_C99_COMMENTS
+
+#define SKIP_COMMENTS2 \
+ while(1) { \
+ SKIP_C89_COMMENTS \
+ SKIP_C99_COMMENTS \
+ break; \
+ }
+
+
+#define SKIP_SPACES \
+ SKIP_COMMENTS2;\
+ while (ISSPACE(*source_ptr) || (*source_ptr == '\\' && *(source_ptr + 1) == '\n')) { \
+ if (*source_ptr == '\\' && *(source_ptr + 1) == '\n') { source_ptr += 2; line_count++; continue; } \
+ if (*source_ptr == '\n') { line_count++; source_ptr++; continue; } \
+ SKIP_COMMENTS;\
+ source_ptr++; \
+ }
+
+
+#define SKIP_SPACES_UNTIL_LF \
+ SKIP_COMMENTS2;\
+ while (ISSPACE(*source_ptr) || (*source_ptr == '\\' && *(source_ptr + 1) == '\n')) { \
+ if (*source_ptr == '\\' && *(source_ptr + 1) == '\n') { source_ptr += 2; continue; } \
+ if (*source_ptr == '\n') break; \
+ SKIP_COMMENTS;\
+ source_ptr++; \
+ }
+
+
+#define SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES \
+ SKIP_COMMENTS2;\
+ while (ISSPACE(*source_ptr) || (*source_ptr == '\\' && *(source_ptr + 1) == '\n')) { \
+ if (*source_ptr == '\\' && *(source_ptr + 1) == '\n') { source_ptr += 2; line_count++; continue; } \
+ if (*source_ptr == '\n') { line_count++; break; } \
+ SKIP_COMMENTS;\
+ source_ptr++; \
+ }
+
+
+#define SKIP_ALL_UNTIL_LF \
+ SKIP_COMMENTS2;\
+ while (*source_ptr || (*source_ptr == '\\' && *(source_ptr + 1) == '\n')) { \
+ if (*source_ptr == '\\' && *(source_ptr + 1) == '\n') { source_ptr += 2; continue; } \
+ if (*source_ptr == '\n') break; \
+ SKIP_COMMENTS;\
+ source_ptr++; \
+ }
+
+
+#define SKIP_ALL_UNTIL_LF_AND_COUNT_LINES \
+ SKIP_COMMENTS2;\
+ while (*source_ptr || (*source_ptr == '\\' && *(source_ptr + 1) == '\n')) { \
+ if (*source_ptr == '\\' && *(source_ptr + 1) == '\n') { source_ptr += 2; line_count++; continue; } \
+ if (*source_ptr == '\n') { line_count++; break; } \
+ SKIP_COMMENTS;\
+ source_ptr++; \
+ }
+
+
+#define GET_NEXT_TOKEN_IN_TMPBUFFER \
+ buffer_ptr = buffer; \
+ while (ISWORDCHAR(*source_ptr)) \
+ { \
+ if (buffer_ptr == buffer+1023) compile_error (MSG_IDENTIFIER_TOO_LONG); \
+ *buffer_ptr++ = TOUPPER(*source_ptr++); \
+ } \
+ *buffer_ptr++ = 0; \
+ token.code = identifier_search_or_add(buffer); \
+ token.type = IDENTIFIER;
+
+/* ---------------------------------------------------------------------- */
+
+int n_files = 0; /* Includes */
+char files[MAX_SOURCES][__MAX_PATH]; /* Includes */
+char *source_data[MAX_SOURCES]; /* Includes */
+
+/* ---------------------------------------------------------------------- */
+
+int load_file( char * filename )
+{
+ long size;
+ file * fp = file_open( filename, "rb0" );
+ int n;
+
+ for( n = 0; n < n_files; n++ ) if ( !strcmp( files[n], filename ) ) break;
+
+ if ( n >= n_files )
+ {
+ if ( n_files == MAX_SOURCES ) compile_error( MSG_TOO_MANY_FILES );
+ strcpy( files[n_files], filename );
+ if ( !fp ) compile_error( MSG_FILE_NOT_FOUND, filename );
+ size = file_size( fp );
+ source_data[n_files] = ( char * ) calloc( size + 1, sizeof( char ) );
+ if ( !source_data[n_files] ) compile_error( MSG_FILE_TOO_BIG, filename );
+ if ( size == 0 ) compile_error( MSG_FILE_EMPTY, filename );
+ if ( !file_read( fp, source_data[n_files], size ) ) compile_error( MSG_READ_ERROR, filename );
+
+ source_data[n_files][size] = 0;
+ file_close( fp );
+ n = n_files++;
+ }
+
+ token_init( source_data[n], n );
+ return n;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void include_file( int bprepro )
+{
+ static char buffer[1024];
+ char * buffer_ptr = buffer;
+ int actual_line = line_count;
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr == '"' )
+ {
+ source_ptr++;
+ buffer_ptr = buffer;
+ while ( *source_ptr && *source_ptr != '"' )
+ {
+ if ( buffer_ptr == buffer + 1023 ) compile_error( MSG_IDENTIFIER_TOO_LONG );
+ *buffer_ptr++ = *source_ptr++;
+ }
+ if ( *source_ptr == '"' ) source_ptr++;
+ *buffer_ptr = 0;
+ if ( bprepro )
+ {
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr == '\n' ) line_count--;
+ }
+ else
+ {
+ SKIP_SPACES;
+ }
+ if ( *source_ptr == ';' )
+ {
+ if ( bprepro )
+ {
+ compile_warning( 0,"extra tokens at end of #include directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr == '\n' ) line_count--;
+ }
+ else
+ token_next();
+ }
+
+ load_file( buffer );
+ token_next();
+ return;
+ }
+ line_count = actual_line;
+ compile_error( MSG_FILENAME_EXP );
+}
+
+/* ---------------------------------------------------------------------- */
+
+int find_define( int code )
+{
+ int i;
+
+ /* Search for if already defined */
+ for ( i = 0; i < defines_count; i++ ) if ( defines[i].code == code ) return i;
+
+ return -1;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void add_simple_define( char * macro, char *text )
+{
+ int code = identifier_search_or_add( macro );
+
+ if ( find_define( code ) != -1 ) compile_error( MSG_MACRO_ERROR, identifier_name( code ) );
+
+ /* Allocate the macro */
+
+ if ( defines_allocated == defines_count )
+ {
+ defines_allocated += 8;
+ defines = ( DEFINE * ) realloc( defines, sizeof( DEFINE ) * defines_allocated );
+ }
+
+ defines[defines_count].param_count = -1;
+ defines[defines_count].code = code;
+ defines[defines_count].text = strdup( text );
+ defines_count++;
+}
+
+/* ---------------------------------------------------------------------- */
+/*
+ * FUNCTION : preprocessor_jumpto
+ *
+ * Ignores all of the remaining source file, until
+ * a preprocessor directive with identifier id1
+ * (or id2 if non-zero), and moves the source_ptr
+ * source code pointer just after it.
+ *
+ * This function is used by preprocessor()
+ * with a #ifdef, #ifndef or #if directive.
+ *
+ * PARAMS :
+ * id1 Identifier of ending directive (i.e. id_endif)
+ * id2 Alternative ending directive (i.e. id_else) or 0 if none
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void preprocessor_jumpto( int id, int id2 )
+{
+ int depth = 1;
+ use_saved = 0;
+
+ disable_prepro = 1;
+
+ while ( depth > 0 && *source_ptr )
+ {
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr == '\n' )
+ {
+ source_ptr++;
+
+ SKIP_SPACES;
+
+ if ( *source_ptr == '#' )
+ {
+ source_ptr++;
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr == '\n' ) line_count--;
+
+ token_next();
+ if ( token.type == IDENTIFIER )
+ {
+ if ( token.code == id_endif )
+ {
+ int stck_code = prepro_stack[--prepro_sp];
+
+ if ( prepro_sp < 0 || (
+ stck_code != id_else &&
+ stck_code != id_if &&
+ stck_code != id_ifdef &&
+ stck_code != id_ifndef ) )
+ compile_error( "#endif without #if" );
+ }
+ if ( token.code == id_else )
+ {
+ int stck_code = prepro_stack[--prepro_sp];
+
+ if ( prepro_sp < 0 ||
+ (
+ stck_code != id_if &&
+ stck_code != id_ifdef &&
+ stck_code != id_ifndef
+ )
+ )
+ {
+ if ( stck_code == id_else )
+ {
+ compile_error( "#else after #else" );
+ }
+ else
+ {
+ compile_error( "#else without #if" );
+ }
+ }
+ prepro_stack[prepro_sp++] = token.code;
+ }
+ else if ( token.code == id_ifdef || token.code == id_ifndef || token.code == id_if )
+ {
+ prepro_stack[prepro_sp++] = token.code;
+ }
+
+ if ( token.code == id_endif /*id || (id2 && token.code == id2)*/ )
+ {
+ depth--;
+ }
+ else if ( token.code == id_else )
+ {
+ depth--;
+ if ( !depth ) break;
+ depth++;
+ }
+ else if ( token.code == id_ifdef || token.code == id_ifndef || token.code == id_if )
+ {
+ depth++;
+ }
+ }
+ continue;
+ }
+ }
+ source_ptr++;
+ }
+
+ if ( token.code != id && ( id2 && token.code != id2 ) ) compile_error( "unbalanced #if/#else/#endif" );
+
+ if ( depth > 0 ) compile_error( "unterminate #if" );
+
+ disable_prepro = 0;
+
+}
+
+/*
+ * FUNCTION : preprocessor_expand
+ *
+ * Expands a macro to a malloc'ed text area and moves the
+ * token processing to it using token_init(). This function
+ * is called just after the macro name is read (next token
+ * should be a '(' if any parameters needed)
+ *
+ * PARAMS :
+ * None
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void preprocessor_expand( DEFINE * def )
+{
+ const char * param_left[MAX_MACRO_PARAMS];
+ const char * param_right[MAX_MACRO_PARAMS];
+ const char * begin = NULL;
+ const char * old_source = NULL;
+ char * text;
+ int i, count, depth, allocated, size, part, actual_line_count;
+
+ /* No params - easy case */
+
+ if ( def->param_count == -1 )
+ {
+ int line = line_count - 1;
+ token_init( def->text, current_file );
+ line_count = line;
+ return;
+ }
+
+ /* Find left parenthesis */
+
+ disable_expand_defines++;
+ token_next();
+ disable_expand_defines--;
+ if ( token.type != IDENTIFIER || token.code != identifier_leftp ) compile_error( MSG_EXPECTED, "(" );
+
+ /* Mark parameters' starting and ending positions */
+
+ if ( def->param_count > 0 )
+ {
+ for ( count = 0; count < def->param_count; count++ )
+ {
+ depth = 0;
+ param_left[count] = source_ptr;
+
+ while ( *source_ptr && ( depth > 0 || ( *source_ptr != ')' && *source_ptr != ',' ) ) )
+ {
+ if ( *source_ptr == '"' || *source_ptr == '\'' )
+ {
+ begin = source_ptr++;
+ while ( *source_ptr && *source_ptr != *begin ) source_ptr++;
+ if ( !*source_ptr ) compile_error( MSG_EXPECTED, "\"" );
+ source_ptr++;
+ continue;
+ }
+ if ( *source_ptr == '(' ) depth++;
+ if ( *source_ptr == ')' ) depth--;
+ source_ptr++;
+ }
+ param_right[count] = source_ptr;
+ if ( !*source_ptr ) compile_error( MSG_EXPECTED, ")" );
+ if ( *source_ptr == ')' ) break;
+ source_ptr++;
+ }
+
+ if ( count != def->param_count - 1 || *source_ptr != ')' )
+ compile_error( MSG_INCORRECT_PARAMC, identifier_name( def->code ), def->param_count - 1 );
+ }
+ else
+ {
+ if ( *source_ptr != ')' )
+ compile_error( MSG_INCORRECT_PARAMC, identifier_name( def->code ), def->param_count );
+ }
+
+ source_ptr++;
+
+ /* Expand the macro */
+
+ allocated = 128;
+ size = 0;
+ text = ( char * )calloc( allocated, sizeof( char ) );
+ old_source = source_ptr;
+ source_ptr = def->text;
+ actual_line_count = line_count;
+
+ while ( *source_ptr )
+ {
+ SKIP_SPACES_UNTIL_LF;
+ if ( *source_ptr == '\n' ) break;
+
+ begin = source_ptr;
+ SKIP_SPACES_UNTIL_LF;
+ if ( *source_ptr )
+ {
+ SKIP_SPACES_UNTIL_LF;
+ if ( !*source_ptr ) break;
+ if ( *source_ptr != '\n' )
+ {
+ disable_expand_defines++;
+ token_next();
+ disable_expand_defines--;
+ if ( token.type == NOTOKEN ) break;
+ if ( token.type == IDENTIFIER )
+ {
+ /* Next token is an identifier. Search for parameter */
+
+ for ( i = 0; i < def->param_count; i++ )
+ if ( def->param_id[i] == token.code ) break;
+
+ if ( i != def->param_count ) /* Parameter found - expand it */
+ {
+
+ part = param_right[i] - param_left[i];
+ if ( size + part + 1 >= allocated )
+ {
+ allocated += (( part + 256 ) & ~ 127 );
+ text = ( char * )realloc( text, allocated );
+ }
+ text[size++] = ' ';
+ memcpy( text + size, param_left[i], part );
+ size += part;
+ continue;
+ }
+ }
+
+ /* No parameter found - copy the token */
+
+ part = source_ptr - begin;
+ if ( size + part + 1 >= allocated )
+ {
+ allocated += (( part + 256 ) & ~127 );
+ text = ( char * )realloc( text, allocated );
+ }
+ memcpy( text + size, begin, part );
+ size += part;
+ }
+ else
+ {
+ line_count++;
+ source_ptr++;
+ }
+ }
+ }
+
+ text[size] = 0;
+ source_ptr = old_source;
+ line_count = actual_line_count;
+
+ /* Now "include" the expanded text "file" */
+
+ token_init( text, current_file );
+ line_count = actual_line_count - 1;
+
+ free( text );
+}
+
+/*
+ * FUNCTION : preprocessor
+ *
+ * Evaluates a preprocessor directive. This function is called
+ * just after a '#' symbol is found after an end-of-line.
+ *
+ * The function moves source_ptr to the next line.
+ *
+ * PARAMS :
+ * None
+ *
+ * RETURN VALUE :
+ * 1 - Include identifier
+ * 0 - Other identifier
+ */
+
+void preprocessor()
+{
+ int i, ifdef;
+ char * ptr;
+ int actual_line_count;
+
+ static int initialized = 0;
+
+ if ( !initialized )
+ {
+ id_define = identifier_search_or_add( "DEFINE" );
+ id_undef = identifier_search_or_add( "UNDEF" );
+ id_ifdef = identifier_search_or_add( "IFDEF" );
+ id_ifndef = identifier_search_or_add( "IFNDEF" );
+ id_else = identifier_search_or_add( "ELSE" );
+ id_endif = identifier_search_or_add( "ENDIF" );
+ id_if = identifier_search_or_add( "IF" );
+ initialized = 1;
+ }
+
+ token_next();
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_UNKNOWN_PREP );
+
+ /* #define TEXT value */
+
+ if ( token.code == id_define )
+ {
+ disable_expand_defines++;
+
+ token_next();
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INVALID_IDENTIFIER );
+
+ if ( find_define( token.code ) != -1 ) compile_error( MSG_MACRO_ERROR, identifier_name( token.code ) );
+
+ /* Allocate the macro */
+
+ if ( defines_allocated == defines_count )
+ {
+ defines_allocated += 8;
+ defines = ( DEFINE * ) realloc( defines, sizeof( DEFINE ) * defines_allocated );
+ }
+
+ defines[defines_count].code = token.code;
+
+ /* Check for parameters: no space allowed between name and ( */
+
+ if ( *source_ptr == '(' )
+ {
+ source_ptr++;
+ for ( defines[defines_count].param_count = i = 0; *source_ptr != ')'; )
+ {
+ if ( !*source_ptr ) compile_error( MSG_EXPECTED, ")" );
+ if ( i == MAX_MACRO_PARAMS ) compile_error( MSG_TOO_MANY_PARAMS );
+ token_next();
+
+ if ( token.type != IDENTIFIER || token.code < reserved_words ) compile_error( MSG_INVALID_IDENTIFIER );
+
+ defines[defines_count].param_id[i++] = token.code;
+ defines[defines_count].param_count++;
+
+ SKIP_SPACES;
+ if ( *source_ptr == ',' ) source_ptr++;
+ }
+ source_ptr++;
+ }
+ else
+ {
+ /* No parameters and no parenthesis */
+ defines[defines_count].param_count = -1;
+ }
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+
+ ptr = ( char * ) source_ptr;
+
+ while ( *ptr && *ptr != '\n' )
+ if ( *ptr == '\\' && *( ptr + 1 ) == '\n' )
+ {
+ *ptr = ' ';
+ ptr++;
+ *ptr = ' ';
+ ptr++;
+ line_count++;
+ }
+ else
+ ptr++;
+
+ while ( ptr > source_ptr && ( !*ptr || ISSPACE( *ptr ) ) ) ptr--;
+
+ defines[defines_count].text = ( char * )calloc( ptr - source_ptr + 2, sizeof( char ) );
+ strncpy( defines[defines_count].text, source_ptr, ptr - source_ptr + 1 );
+ defines[defines_count].text[ptr - source_ptr + 1] = 0;
+
+ defines_count++;
+
+ source_ptr = ptr + 1;
+
+ disable_expand_defines--;
+
+ return;
+ }
+
+ /* #undef TEXT */
+
+ if ( token.code == id_undef )
+ {
+ disable_expand_defines++;
+
+ token_next();
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INVALID_IDENTIFIER );
+
+ if (( i = find_define( token.code ) ) != -1 )
+ {
+ defines_count--;
+ if ( defines[i].text ) free( defines[i].text );
+ memmove( &defines[i], &defines[i+1], ( defines_count - i ) * sizeof( DEFINE ) );
+ }
+
+ disable_expand_defines--;
+
+ return;
+ }
+
+ /* #ifdef CONST / #ifndef CONST*/
+
+ if ( token.code == id_ifdef || token.code == id_ifndef )
+ {
+ ifdef = token.code == id_ifdef;
+
+ prepro_stack[prepro_sp++] = token.code;
+
+ disable_expand_defines++;
+ token_next();
+ disable_expand_defines--;
+
+ if ( token.type != IDENTIFIER ) compile_error( MSG_INVALID_IDENTIFIER );
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr && *source_ptr != '\n' )
+ {
+ if ( ifdef ) compile_warning( 0,"extra tokens at end of #ifdef directive" );
+ else compile_warning( 0,"extra tokens at end of #ifndef directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ }
+
+ if ( *source_ptr == '\n' ) line_count--;
+
+ for ( i = 0; i < defines_count; i++ )
+ {
+ if ( defines[i].code == token.code )
+ {
+ if ( ifdef ) return;
+ break;
+ }
+ }
+ if ( !ifdef && i == defines_count ) return;
+
+
+ preprocessor_jumpto( id_else, id_endif );
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr && *source_ptr != '\n' )
+ {
+ if ( token.code == id_else ) compile_warning( 0,"extra tokens at end of #else directive" );
+ else if ( token.code == id_endif ) compile_warning( 0,"extra tokens at end of #endif directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ }
+ if ( *source_ptr == '\n' ) line_count--;
+ return;
+ }
+
+ /* #if */
+
+ if ( token.code == id_if )
+ {
+ int actual_sources;
+ expresion_result res;
+ char c;
+
+ prepro_stack[prepro_sp++] = token.code;
+
+ ptr = ( char * ) source_ptr;
+
+ while ( *ptr && *ptr != '\n' && *ptr != ';' )
+ if ( *ptr == '\\' && *( ptr + 1 ) == '\n' )
+ {
+ *ptr = ' ';
+ ptr++;
+ *ptr = ' ';
+ ptr++;
+ line_count++;
+ }
+ else
+ ptr++;
+
+ c = *ptr;
+ *ptr = '\0';
+
+ actual_line_count = line_count;
+ actual_sources = sources;
+
+ token_init( source_ptr, current_file );
+
+ identifiers_as_strings = 1;
+ res = compile_expresion( 0, 0, 1, TYPE_DWORD );
+ identifiers_as_strings = 0;
+ /*
+ printf ("exp: asignation: [%d] call: [%d] lvalue: [%d] constant: [%d] value: [%d] lvalue: [%f] type: [%d]\n",
+ res.asignation,
+ res.call,
+ res.lvalue,
+ res.constant,
+ res.value,
+ res.fvalue,
+ typedef_base(res.type));
+ */
+ if ( sources != actual_sources ) token_endfile();
+ *ptr = c;
+ source_ptr = ptr;
+ line_count = actual_line_count;
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr && *source_ptr != '\n' )
+ {
+ compile_warning( 0,"extra tokens at end of #if directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ }
+ if ( *source_ptr == '\n' ) line_count--;
+
+ use_saved = 0;
+ if ( !res.constant ) compile_error( MSG_CONSTANT_EXP );
+ if ( !res.value )
+ {
+ preprocessor_jumpto( id_else, id_endif );
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr && *source_ptr != '\n' )
+ {
+ if ( token.code == id_else ) compile_warning( 0,"extra tokens at end of #else directive" );
+ else if ( token.code == id_endif ) compile_warning( 0,"extra tokens at end of #endif directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ }
+ if ( *source_ptr == '\n' ) line_count--;
+ }
+
+ return;
+ }
+
+ /* #else */
+
+ if ( token.code == id_else )
+ {
+ if ( !prepro_sp ) compile_error( "#else without #if" );
+
+ int stck_code = prepro_stack[--prepro_sp];
+
+ if ( prepro_sp < 0 ||
+ (
+ stck_code != id_if &&
+ stck_code != id_ifdef &&
+ stck_code != id_ifndef
+ )
+ )
+ {
+ if ( stck_code == id_else )
+ {
+ compile_error( "#else after #else" );
+ }
+ else
+ {
+ compile_error( "#else without #if" );
+ }
+ }
+ prepro_stack[prepro_sp++] = token.code;
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr && *source_ptr != '\n' )
+ {
+ compile_warning( 0,"extra tokens at end of #else directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ }
+ if ( *source_ptr == '\n' ) line_count--;
+
+ preprocessor_jumpto( id_endif, 0 );
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr && *source_ptr != '\n' )
+ {
+ compile_warning( 0,"extra tokens at end of #endif directive" );
+ SKIP_ALL_UNTIL_LF_AND_COUNT_LINES;
+ }
+ if ( *source_ptr == '\n' ) line_count--;
+ return;
+ }
+
+ /* #endif */
+
+ if ( token.code == id_endif )
+ {
+ int stck_code = prepro_stack[--prepro_sp];
+
+ if ( prepro_sp < 0 || (
+ stck_code != id_else &&
+ stck_code != id_if &&
+ stck_code != id_ifdef &&
+ stck_code != id_ifndef ) ) compile_error( "#endif without #if" );
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+ if ( *source_ptr == '\n' ) line_count--;
+ return;
+ }
+
+ /* Unknown preprocessor directive */
+ compile_error( MSG_UNKNOWN_PREP );
+}
+
+void token_init( const char * source, int file )
+{
+ char * ptr;
+ char * clean_source;
+
+ if ( sources == MAX_SOURCES ) compile_error( MSG_TOO_MANY_INCLUDES );
+
+ if ( !source )
+ {
+ fprintf( stdout, "token_init: no source\n" );
+ exit( 1 );
+ }
+
+ /* Perform cleaning of the source file */
+
+ clean_source = ( char * ) calloc( strlen( source ) + 2, sizeof( char ) );
+ ptr = clean_source;
+ *ptr++ = '\n'; /* Adds a blank line to detect first-line # directives */
+ while ( *source )
+ {
+ if ( *source == '\r' && source[1] == '\n' )
+ {
+ source += 2;
+ *ptr++ = '\n';
+ }
+ else
+ {
+ *ptr++ = *source++;
+ }
+ }
+ *ptr = 0;
+
+ /* Store the old source pointer */
+
+ old_line_counts [sources] = line_count;
+ old_current_file [sources] = current_file;
+ old_sources [sources] = source_ptr;
+ old_sources_start [sources] = source_start;
+ sources++;
+
+ /* Use the new source */
+
+ line_count = 0;
+ current_file = file;
+ source_ptr = clean_source;
+ source_start = clean_source;
+
+ use_saved = 0;
+}
+
+int token_endfile()
+{
+ if ( source_start )
+ {
+ free( source_start );
+ source_start = 0;
+ }
+ if ( sources > 0 )
+ {
+ sources--;
+ line_count = old_line_counts[sources];
+ current_file = old_current_file[sources];
+ source_ptr = old_sources[sources];
+ source_start = old_sources_start[sources];
+ use_saved = 0;
+ }
+
+ if ( sources < 1 )
+ {
+ if ( prepro_sp > 0 ) compile_error( "unbalanced #if/#else/#endif" );
+ }
+ return 0;
+}
+
+void token_dump()
+{
+ if ( token.type == NUMBER ) fprintf( stdout, "%d", token.code );
+ else if ( token.type == FLOAT ) fprintf( stdout, "%f", token.value );
+ else if ( token.type == STRING ) fprintf( stdout, "\"%s\"", string_get( token.code ) );
+ else if ( token.type == IDENTIFIER ) fprintf( stdout, "\"%s\"", identifier_name( token.code ) );
+ else if ( token.type == LABEL ) fprintf( stdout, "\"%s\"", identifier_name( token.code ) );
+ else if ( token.type == NOTOKEN ) fprintf( stdout, "EOF" );
+ else fprintf( stdout, "unknown" );
+}
+
+extern int c_type_initialized;
+
+void token_next()
+{
+ static int i, len;
+ static char buffer[1024];
+ char * buffer_ptr = buffer;
+
+ if ( !source_ptr )
+ {
+ token.type = NOTOKEN;
+ return;
+ }
+
+ if ( use_saved )
+ {
+ token = token_saved;
+ line_count = token.line;
+ current_file = token.file;
+ use_saved = 0;
+ return;
+ }
+ token.line = line_count;
+ token.file = current_file;
+ token_prev = token;
+
+ while ( 1 )
+ {
+ SKIP_SPACES;
+
+ if ( !disable_prepro && *source_ptr == '#' )
+ {
+ int line;
+ const char * old_source_ptr;
+
+ identifiers_as_strings = 0;
+
+ /* Comandos de preprocesador */
+ source_ptr++;
+
+ line = line_count;
+
+ SKIP_SPACES_UNTIL_LF_AND_COUNT_LINES;
+
+ if ( *source_ptr == '\n' )
+ {
+ token.code = identifier_search_or_add( "#" );
+ token.type = IDENTIFIER;
+ line_count = line;
+ compile_error( MSG_IDENTIFIER_EXP );
+ }
+
+ old_source_ptr = source_ptr;
+
+ if ( ISWORDFIRST( *source_ptr ) )
+ {
+ GET_NEXT_TOKEN_IN_TMPBUFFER;
+
+ /* #include "file.h" */
+
+ if ( token.code == identifier_include && !use_saved )
+ {
+ include_file( 1 );
+ return;
+ }
+
+ source_ptr = old_source_ptr;
+ }
+
+ preprocessor();
+
+ buffer_ptr = buffer;
+ *buffer_ptr = '\0';
+ continue;
+ }
+
+ if ( !*source_ptr )
+ {
+ /* Casos de bloques manuales */
+ if ( current_file == -1 )
+ {
+ token_endfile();
+ token.type = NOTOKEN;
+ return;
+ }
+
+ while ( !*source_ptr )
+ {
+ if ( sources == 0 )
+ {
+ token.type = NOTOKEN;
+ return;
+ }
+
+ token_endfile();
+
+ if ( !source_ptr )
+ {
+ token.type = NOTOKEN;
+ return;
+ }
+ }
+ continue;
+ }
+
+ /* Ignora comentarios */
+
+ SKIP_COMMENTS;
+ if ( !*source_ptr )
+ {
+ token.type = NOTOKEN;
+ return;
+ }
+
+ /* Cadenas */
+
+ if ( *source_ptr == '"' || *source_ptr == '\'' )
+ {
+ token.type = STRING;
+ token.code = string_compile( &source_ptr );
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+
+ /* Operadores de más de un caracter */
+
+ len = 0;
+
+ if ( *source_ptr == '<' )
+ {
+ if ( source_ptr[1] == '<' )
+ {
+ if ( source_ptr[2] == '=' ) len = 3;
+ else len = 2;
+ }
+ else if ( source_ptr[1] == '>' ) len = 2;
+ else if ( source_ptr[1] == '=' ) len = 2;
+ else len = 1;
+ }
+ else if ( *source_ptr == '>' )
+ {
+ if ( source_ptr[1] == '>' )
+ {
+ if ( source_ptr[2] == '=' ) len = 3;
+ else len = 2;
+ }
+ else if ( source_ptr[1] == '=' ) len = 2;
+ else if ( source_ptr[1] == '>' ) len = 2;
+ else len = 1;
+ }
+ else if ( *source_ptr == '|' )
+ {
+ if ( source_ptr[1] == '|' )
+ {
+ if ( source_ptr[2] == '=' ) len = 3;
+ else len = 2;
+ }
+ else if ( source_ptr[1] == '=' ) len = 2;
+ else len = 1;
+ }
+ else if ( *source_ptr == '=' )
+ {
+ if ( source_ptr[1] == '=' ) len = 2;
+ else if ( source_ptr[1] == '>' ) len = 2;
+ else if ( source_ptr[1] == '<' ) len = 2;
+ else len = 1;
+ }
+ else if ( *source_ptr == '.' )
+ {
+ if ( source_ptr[1] == '.' ) len = 2;
+ else len = 1;
+ }
+ else if ( strchr( "!&^%*+-/", *source_ptr ) )
+ {
+ if ( source_ptr[1] == '=' ) len = 2;
+ else if ( strchr( "+-&^", *source_ptr ) && source_ptr[1] == *source_ptr ) len = 2;
+ else len = 1;
+ }
+
+ if ( len )
+ {
+ strncpy( buffer, source_ptr, len );
+ buffer[len] = 0;
+ source_ptr += len;
+ token.code = identifier_search_or_add( buffer );
+ token.type = IDENTIFIER;
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+
+ /* Numbers */
+
+ if ( ISNUM( *source_ptr ) )
+ {
+ const char * ptr;
+ double num = 0, dec;
+ int base = 10;
+
+ /* Hex/Bin/Octal numbers with the h/b/o sufix */
+ ptr = source_ptr;
+ while ( ISNUM( *ptr ) || ( *ptr >= 'a' && *ptr <= 'f' ) || ( *ptr >= 'A' && *ptr <= 'F' ) ) ptr++;
+
+ if ( *ptr != 'h' && *ptr != 'H' && *ptr != 'o' && *ptr != 'O' && ( ptr[-1] == 'b' || ptr[-1] == 'B' ) ) ptr--;
+
+ if ( *ptr == 'b' || *ptr == 'B' )
+ base = 2;
+ if ( *ptr == 'h' || *ptr == 'H' )
+ base = 16;
+ if ( *ptr == 'o' || *ptr == 'O' )
+ base = 8;
+
+ token.code = 0 ; /* for ints values */
+
+ /* Calculate the number value */
+
+ while ( ISNUM( *source_ptr ) || ( base > 10 && ISALNUM( *source_ptr ) ) )
+ {
+ if ( base == 2 && *source_ptr != '0' && *source_ptr != '1' ) break;
+ if ( base == 8 && ( *source_ptr < '0' || *source_ptr > '7' ) ) break;
+ if ( base == 10 && !ISNUM( *source_ptr ) ) break;
+ if ( base == 16 && !ISNUM( *source_ptr ) && ( TOUPPER( *source_ptr ) < 'A' || TOUPPER( *source_ptr ) > 'F' ) ) break;
+
+ if ( ISNUM( *source_ptr ) )
+ {
+ num = num * base + ( *source_ptr - '0' );
+ token.code = token.code * base + ( *source_ptr - '0' );
+ source_ptr++;
+ continue;
+ }
+ if ( *source_ptr >= 'a' && *source_ptr <= 'f' && base > 10 )
+ {
+ num = num * base + ( *source_ptr - 'a' + 10 );
+ token.code = token.code * base + ( *source_ptr - 'a' + 10 );
+ source_ptr++;
+ continue;
+ }
+ if ( *source_ptr >= 'A' && *source_ptr <= 'F' && base > 10 )
+ {
+ num = num * base + ( *source_ptr - 'A' + 10 );
+ token.code = token.code * base + ( *source_ptr - 'A' + 10 );
+ source_ptr++;
+ continue;
+ }
+ }
+ token.type = NUMBER;
+ token.value = ( float )num;
+
+ /* We have the integer part now - convert to int/float */
+
+ if ( *source_ptr == '.' && base == 10 )
+ {
+ source_ptr++;
+ if ( !ISNUM( *source_ptr ) )
+ source_ptr--;
+ else
+ {
+ dec = 1.0 / ( double )base;
+ while ( ISNUM( *source_ptr ) || ( base > 100 && ISALNUM( *source_ptr ) ) )
+ {
+ if ( ISNUM( *source_ptr ) ) num = num + dec * ( *source_ptr++ - '0' );
+ if ( *source_ptr >= 'a' && *source_ptr <= 'f' && base > 10 ) num = num + dec * ( *source_ptr++ - 'a' + 10 );
+ if ( *source_ptr >= 'A' && *source_ptr <= 'F' && base > 10 ) num = num + dec * ( *source_ptr++ - 'A' + 10 );
+ dec /= ( double )base;
+ }
+ token.type = FLOAT;
+ token.value = ( float )num;
+ }
+ }
+
+ /* Skip the base sufix */
+
+ if ( base == 16 && ( *source_ptr == 'h' || *source_ptr == 'H' ) ) source_ptr++;
+ if ( base == 8 && ( *source_ptr == 'o' || *source_ptr == 'O' ) ) source_ptr++;
+ if ( base == 2 && ( *source_ptr == 'b' || *source_ptr == 'B' ) ) source_ptr++;
+
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+
+ /* Identificadores */
+ if ( ISWORDFIRST( *source_ptr ) )
+ {
+ int maybe_label = source_ptr[-1] == '\n';
+ GET_NEXT_TOKEN_IN_TMPBUFFER;
+
+ token.line = line_count;
+ token.file = current_file;
+
+ if ( maybe_label && *source_ptr == ':' && identifier_search( buffer ) > reserved_words )
+ {
+ source_ptr++;
+ token.code = identifier_search_or_add( buffer );
+ token.type = LABEL;
+ return;
+ }
+
+ /* Search for #define constant inclusion at this point */
+
+ if ( !disable_expand_defines )
+ {
+ if ( !strcmp( buffer, "__FILE__" ) )
+ {
+ token.type = STRING;
+ token.code = string_new(( current_file != -1 && files[current_file] && *files[current_file] ) ? files[current_file] : "N/A" );
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+
+ if ( !strcmp( buffer, "__LINE__" ) )
+ {
+ token.type = NUMBER;
+ token.code = ( int )line_count;
+ token.value = ( float )line_count;
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+
+ for ( i = 0; i < defines_count; i++ )
+ {
+ if ( defines[i].code == token.code )
+ {
+ preprocessor_expand( &defines[i] );
+ token_next();
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+ }
+ }
+
+ /* In a #if, all identifiers are strings */
+
+ if ( identifiers_as_strings )
+ {
+ token.type = STRING;
+ token.code = string_new( buffer );
+ token.line = line_count;
+ token.file = current_file;
+ return;
+ }
+
+ /* Include */
+
+ if ( !disable_prepro && token.code == identifier_include && !use_saved )
+ {
+ include_file( 0 );
+ return;
+ }
+ return;
+ }
+
+ /* 1-char operator or invalid symbol */
+
+ if ( !*source_ptr ) break;
+
+ if ( *source_ptr > 0 && *source_ptr < 32 ) compile_error( MSG_INVALID_CHAR );
+
+ *buffer_ptr++ = *source_ptr++;
+ *buffer_ptr = 0;
+
+ token.code = identifier_search_or_add( buffer );
+ token.type = IDENTIFIER;
+ token.line = line_count;
+ token.file = current_file;
+
+ return;
+ }
+
+ token.type = NOTOKEN;
+ return; /* End-of-file */
+}
+
+void token_back()
+{
+ if ( use_saved )
+ {
+ fprintf( stdout, "Error: two token_back in a row\n" );
+ exit( 1 );
+ }
+
+ token.line = line_count;
+ token.file = current_file;
+ token_saved = token;
+
+ token = token_prev;
+
+ line_count = token.line;
+ current_file = token.file;
+
+ use_saved = 1;
+}
+
+tok_pos token_pos()
+{
+ tok_pos tp;
+
+ tp.use_saved = use_saved;
+ tp.token_saved = token_saved;
+ tp.token = token;
+ tp.line_count = line_count;
+ tp.current_file = current_file;
+ tp.token_prev = token_prev;
+ tp.source_ptr = source_ptr;
+
+ return tp;
+}
+
+void token_set_pos( tok_pos tp )
+{
+ use_saved = tp.use_saved;
+ token_saved = tp.token_saved;
+ token = tp.token;
+ line_count = tp.line_count;
+ current_file = tp.current_file;
+ token_prev = tp.token_prev;
+ source_ptr = tp.source_ptr;
+}
+
diff --git a/core/bgdc/src/typedef.c b/core/bgdc/src/typedef.c
new file mode 100644
index 0000000..e7ac992
--- /dev/null
+++ b/core/bgdc/src/typedef.c
@@ -0,0 +1,242 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+
+TYPEDEF typedef_new( BASETYPE type )
+{
+ TYPEDEF t ;
+
+ memset (&t, '\0', sizeof(t));
+
+ t.chunk[0].type = type ;
+ if ( type == TYPE_POINTER )
+ {
+ t.depth = 2 ;
+ t.chunk[1].type = TYPE_UNDEFINED ;
+ }
+ else t.depth = 1 ;
+ t.varspace = 0 ;
+ return t ;
+}
+
+TYPEDEF typedef_reduce( TYPEDEF base )
+{
+ TYPEDEF t = base ;
+
+ memmove( &t.chunk[0], &t.chunk[1], sizeof( TYPECHUNK ) * ( MAX_TYPECHUNKS - 1 ) ) ;
+ t.depth-- ;
+ return t ;
+}
+
+TYPEDEF typedef_enlarge( TYPEDEF base )
+{
+ TYPEDEF t = base ;
+
+ memmove( &t.chunk[1], &t.chunk[0], sizeof( TYPECHUNK ) * ( MAX_TYPECHUNKS - 1 ) ) ;
+ t.depth++ ;
+ return t ;
+}
+
+TYPEDEF typedef_pointer( TYPEDEF base )
+{
+ TYPEDEF t = typedef_enlarge( base ) ;
+
+ t.chunk[0].type = TYPE_POINTER ;
+ return t ;
+}
+
+void typedef_describe( char * buffer, TYPEDEF t )
+{
+ switch ( t.chunk[0].type )
+ {
+ case TYPE_INT:
+ sprintf( buffer, "INT" ) ;
+ return ;
+
+ case TYPE_DWORD:
+ sprintf( buffer, "DWORD" ) ;
+ return ;
+
+ case TYPE_SHORT:
+ sprintf( buffer, "SHORT" ) ;
+ return ;
+
+ case TYPE_WORD:
+ sprintf( buffer, "WORD" ) ;
+ return ;
+
+ case TYPE_BYTE:
+ sprintf( buffer, "BYTE" ) ;
+ return ;
+
+ case TYPE_CHAR:
+ sprintf( buffer, "CHAR" ) ;
+ return ;
+
+ case TYPE_SBYTE:
+ sprintf( buffer, "SIGNED BYTE" ) ;
+ return ;
+
+ case TYPE_STRING:
+ sprintf( buffer, "STRING" ) ;
+ return ;
+
+ case TYPE_FLOAT:
+ sprintf( buffer, "FLOAT" ) ;
+ return ;
+
+ case TYPE_STRUCT:
+ if ( t.chunk[0].count > 1 )
+ sprintf( buffer, "STRUCT [%d]", t.chunk[0].count ) ;
+ else
+ sprintf( buffer, "STRUCT" ) ;
+ return ;
+
+ case TYPE_ARRAY:
+ sprintf( buffer, "ARRAY [%d] OF ", t.chunk[0].count ) ;
+ typedef_describe( buffer + strlen( buffer ), typedef_reduce( t ) ) ;
+ return ;
+
+ case TYPE_POINTER:
+ sprintf( buffer, "POINTER TO " ) ;
+ typedef_describe( buffer + strlen( buffer ), typedef_reduce( t ) ) ;
+ return ;
+
+ case TYPE_UNDEFINED:
+ default:
+ sprintf( buffer, "<UNDEFINED>" ) ;
+ return ;
+ }
+}
+
+int typedef_subsize( TYPEDEF t, int c )
+{
+ switch ( t.chunk[c].type )
+ {
+ case TYPE_BYTE:
+ case TYPE_SBYTE:
+ case TYPE_CHAR:
+ return 1 ;
+
+ case TYPE_WORD:
+ case TYPE_SHORT:
+ return 2 ;
+
+ case TYPE_DWORD:
+ case TYPE_INT:
+ case TYPE_FLOAT:
+ case TYPE_STRING:
+ case TYPE_POINTER:
+ return 4 ;
+
+ case TYPE_ARRAY:
+ return t.chunk[c].count * typedef_subsize( t, c + 1 ) ;
+
+ case TYPE_STRUCT:
+ return t.varspace->size ;
+
+ default:
+ compile_error( MSG_INCOMP_TYPE ) ;
+ return 0 ;
+ }
+}
+
+int typedef_size( TYPEDEF t )
+{
+ return typedef_subsize( t, 0 ) ;
+}
+
+/* Tipos nombrados (structs, típicamente) */
+
+static TYPEDEF * named_types = NULL;
+static int * named_codes = NULL;
+static int named_count = 0 ;
+static int named_reserved = 0;
+
+TYPEDEF * typedef_by_name( int code )
+{
+ int n ;
+
+ for ( n = 0 ; n < named_count ; n++ )
+ if ( named_codes[n] == code ) return &named_types[n] ;
+ return 0 ;
+}
+
+void typedef_name( TYPEDEF t, int code )
+{
+ if ( named_count >= named_reserved )
+ {
+ named_reserved += 16;
+ named_types = ( TYPEDEF * ) realloc( named_types, named_reserved * sizeof( TYPEDEF ) );
+ named_codes = ( int * ) realloc( named_codes, named_reserved * sizeof( int ) );
+ if ( !named_types || !named_codes ) compile_error( "typedef_name: out of memory\n" ) ;
+ }
+ named_codes[named_count] = code ;
+ named_types[named_count] = t ;
+ named_count++ ;
+}
+
+int typedef_tcount( TYPEDEF t )
+{
+ int n ;
+ int count = 1 ;
+
+ if ( t.chunk[0].type == TYPE_STRUCT ) return t.chunk[0].count ;
+ for ( n = 0; t.chunk[n].type == TYPE_ARRAY; n++ ) count *= t.chunk[n].count ;
+ return count ;
+}
+
+int typedef_is_equal( TYPEDEF a, TYPEDEF b )
+{
+ int n;
+
+ if ( a.depth != b.depth ) return 0;
+
+ for ( n = 0; n < a.depth; n++ )
+ {
+ if ( a.chunk[n].type == TYPE_STRUCT && b.chunk[n].type == TYPE_STRUCT && a.varspace != b.varspace )
+ {
+ int m;
+ if ( a.varspace->count != b.varspace->count ) return 0;
+ for ( m = 0; m < a.varspace->count; m++ )
+ {
+ if ( !typedef_is_equal( a.varspace->vars[m].type, b.varspace->vars[m].type ) ) return 0;
+ }
+ return 1;
+ }
+ if ( a.chunk[n].type != b.chunk[n].type ) return 0;
+ if ( a.chunk[n].type == TYPE_ARRAY && a.chunk[n].count != b.chunk[n].count ) return 0;
+ }
+ return 1;
+}
+
diff --git a/core/bgdc/src/varspace.c b/core/bgdc/src/varspace.c
new file mode 100644
index 0000000..51ad1bc
--- /dev/null
+++ b/core/bgdc/src/varspace.c
@@ -0,0 +1,256 @@
+/*
+ * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd)
+ * Copyright © 2002-2006 Fenix Team (Fenix)
+ * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ * This file is part of Bennu - Game Development
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "bgdc.h"
+
+/* ---------------------------------------------------------------------- */
+/* Este módulo contiene funciones de utilidad para crear e ir rellenando */
+/* varspaces (tablas con identificador, offset y tipo de cada VARIABLE) */
+/* y segmentos de datos */
+/* ---------------------------------------------------------------------- */
+
+VARSPACE global, local ;
+
+/*
+ * FUNCTION : varspace_dump
+ *
+ * Dumps descriptively the variables of a given varspace to the
+ * standard output. Recursively describes struct types.
+ *
+ * PARAMS :
+ * n Pointer to the varspace
+ * indent Left indentation in chars (internal; use 0)
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void varspace_dump( VARSPACE * n, int indent )
+{
+ int i, t, to ;
+ char buffer[128] ;
+
+ for ( i = 0 ; i < n->count ; i++ )
+ {
+ if ( i < n->count - 1 )
+ to = n->vars[i+1].offset - 1 ;
+ else
+ to = n->last_offset - 1 ;
+
+ printf( "[%04d:%04d]\t", n->vars[i].offset, to ) ;
+ for ( t = 0 ; t < indent ; t++ ) printf( " + " ) ;
+ typedef_describe( buffer, n->vars[i].type ) ;
+ printf( "%s %s", buffer, identifier_name( n->vars[i].code ) ) ;
+
+ /* Describe arrays of structs */
+
+ if ( typedef_is_array( n->vars[i].type ) )
+ {
+ TYPEDEF r = typedef_reduce( n->vars[i].type );
+ while ( typedef_is_array( r ) )
+ r = typedef_reduce( r );
+ if ( typedef_is_struct( r ) )
+ {
+ printf( ":\n" ) ;
+ varspace_dump( typedef_members( r ), indent + 1 ) ;
+ }
+ else
+ printf( "\n" );
+ }
+
+ /* Describe structs */
+
+ else if ( typedef_is_struct( n->vars[i].type ) )
+ {
+ printf( ":\n" ) ;
+ varspace_dump( typedef_members( n->vars[i].type ), indent + 1 ) ;
+ }
+
+ else printf( "\n" ) ;
+ }
+}
+
+/*
+ * FUNCTION : varspace_new
+ *
+ * Create a new varspace in dynamic memory, and initialize
+ * it using varspace_init
+ *
+ * PARAMS :
+ * None
+ *
+ * RETURN VALUE :
+ * Pointer to the new varspace
+ */
+
+VARSPACE * varspace_new()
+{
+ VARSPACE * v = ( VARSPACE * ) calloc( 1, sizeof( VARSPACE ) ) ;
+ if ( !v ) compile_error( "varspace_new: out of memory\n" ) ;
+ varspace_init( v ) ;
+ return v ;
+}
+
+
+/*
+ * FUNCTION : varspace_destroy
+ *
+ * Destroy a dynamic varspace created with varspace_new
+ *
+ * PARAMS :
+ * v Pointer to the varspace
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void varspace_destroy( VARSPACE * v )
+{
+ free( v->vars ) ;
+ free( v ) ;
+}
+
+/*
+ * FUNCTION : varspace_init
+ *
+ * Initialize all members of a varspace. Use this function
+ * to initialize a varspace that is created in local
+ * memory instead of a dynamic one created with varspace_new.
+ *
+ * PARAMS :
+ * n Pointer to the not-initialized varspace
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void varspace_init( VARSPACE * n )
+{
+ n->vars = ( VARIABLE * ) calloc( 16, sizeof( VARIABLE ) ) ;
+ n->reserved = 16 ;
+ n->count = 0 ;
+ n->size = 0 ;
+ n->stringvars = 0 ;
+ n->stringvar_reserved = 0 ;
+ n->stringvar_count = 0 ;
+ if ( !n->vars ) compile_error( "varspace_init: out of memory\n" ) ;
+}
+
+/*
+ * FUNCTION : varspace_varstring
+ *
+ * Add a new string offset to the varspace. A varspace has
+ * a count of every string variable it contains, but this
+ * list is not updated automatically. You should mark
+ * every string you create using this function.
+ *
+ * PARAMS :
+ * n Pointer to the varspace
+ * offset Offset of the new string
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void varspace_varstring( VARSPACE * n, int offset )
+{
+ if ( n->stringvar_reserved == n->stringvar_count )
+ {
+ n->stringvars = ( int * ) realloc( n->stringvars, ( n->stringvar_reserved += 16 ) * sizeof( int ) ) ;
+ if ( !n->stringvars ) compile_error( "varspace_varstring: out of memory\n" ) ;
+ }
+ n->stringvars[n->stringvar_count++] = offset ;
+}
+
+/*
+ * FUNCTION : varspace_alloc
+ *
+ * Allocate space for new variables in the varspace. This
+ * is an internal function. Use varspace_add instead.
+ *
+ * PARAMS :
+ * n Pointer to the varspace
+ * count Number of new variables of space to reserve
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void varspace_alloc( VARSPACE * n, int count )
+{
+ n->vars = ( VARIABLE * ) realloc( n->vars, sizeof( VARIABLE ) * ( n->reserved += count ) ) ;
+ if ( !n->vars ) compile_error( "varspace_alloc: out of memory\n" ) ;
+}
+
+/*
+ * FUNCTION : varspace_add
+ *
+ * Add a new variable to a given varspace. This function does not
+ * mark string variables. You should use varspace_varstring after
+ * adding new strings to a varspace.
+ *
+ * PARAMS :
+ * n Pointer to the varspace
+ * v Variable to add
+ *
+ * RETURN VALUE :
+ * None
+ */
+
+void varspace_add( VARSPACE * n, VARIABLE v )
+{
+ if ( n->count == n->reserved ) varspace_alloc( n, 16 ) ;
+ n->vars[n->count++] = v ;
+ n->size += typedef_size( v.type ) ;
+}
+
+/*
+ * FUNCTION : varspace_search
+ *
+ * Search a variable in a varspace by its identifier.
+ *
+ * PARAMS :
+ * n Pointer to the varspace
+ * code Identifier of the variable
+ *
+ * RETURN VALUE :
+ * Pointer to the variable found or NULL if none
+ */
+
+VARIABLE * varspace_search( VARSPACE * n, int code )
+{
+ int i ;
+
+ for ( i = 0 ; i < n->count ; i++ )
+ if ( n->vars[i].code == code ) return &n->vars[i] ;
+ return 0 ;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 01:04:29 +0000