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-rw-r--r--engines/sci/engine/cfsml.pl1183
1 files changed, 0 insertions, 1183 deletions
diff --git a/engines/sci/engine/cfsml.pl b/engines/sci/engine/cfsml.pl
deleted file mode 100644
index 982a536b70..0000000000
--- a/engines/sci/engine/cfsml.pl
+++ /dev/null
@@ -1,1183 +0,0 @@
-#! /usr/bin/env perl
-# The C File Storage Meta Language "reference" implementation
-# This implementation is supposed to conform to version
-$version = "0.8.2";
-# of the spec. Please contact the maintainer if it doesn't.
-#
-# cfsml.pl Copyright (C) 1999, 2000, 2001 Christoph Reichenbach
-#
-#
-# This program may be modified and copied freely according to the terms of
-# the GNU general public license (GPL), as long as the above copyright
-# notice and the licensing information contained herein are preserved.
-#
-# Please refer to www.gnu.org for licensing details.
-#
-# This work is provided AS IS, without warranty of any kind, expressed or
-# implied, including but not limited to the warranties of merchantibility,
-# noninfringement, and fitness for a specific purpose. The author will not
-# be held liable for any damage caused by this work or derivatives of it.
-#
-# By using this source code, you agree to the licensing terms as stated
-# above.
-#
-#
-# Please contact the maintainer for bug reports or inquiries.
-#
-# Current Maintainer:
-#
-# Christoph Reichenbach (CJR) [jameson@linuxgames.com]
-#
-#
-# Warning: This is still a "bit" messy. Sorry for that.
-#
-
-#$debug = 1;
-
-$write_lines = "true";
-$source_file = "CFSML source file";
-$type_integer = "integer";
-$type_string = "string";
-$type_record = "RECORD";
-$type_pointer = "POINTER";
-$type_abspointer = "ABSPOINTER";
-
-%types; # Contains all type bindings
-%records; # Contains all record bindings
-
-$mode = undef;
-while ($op = shift @ARGV) {
- if ($mode eq undef) {
- if ($op eq "-f") {
- $mode = "fname";
- } elsif ($op eq "-l") {
- $write_lines = undef;
- } elsif ($op eq "-v") {
- print "cfsml.pl, the CFSML code generator, version $version\n";
- print "This program is provided WITHOUT WARRANTY of any kind. It may be\n";
- print "copied and modified freely according to the terms of the GNU\n";
- print "General Public License.\n";
- exit(0);
- } elsif ($op eq "-h") {
- print "CFSML help:\n";
- print "Usage: cat source | cfsml.pl [-v] [-h] [-l] [-f <filename>] > dest\n";
- print " -h : help\n";
- print " -v : print version\n";
- print " -l : disable line number printing in dest file\n";
- print " -f : specify file name for line number printing\n";
- exit(0);
- } else {
- die "Unknown option '$op'\n";
- }
- } elsif ($mode eq "fname") {
- $source_file = $op;
- $mode = 0;
- } else {
- die "Invalid internal state '$mode'\n";
- }
-}
-
-sub write_line_pp
-# write_line_pp(int line_nr, bool input_file?)
-{
- my $line_nr = shift;
- my $_file = shift;
- my $filename = "cfsml.pl";
-
- if (_file) {
- $filename = $source_file;
- }
-
- if ($write_lines) {
- print "#line $line_nr \"$filename\"\n";
- }
-}
-
-sub create_string_functions
- {
- $firstline = __LINE__;
- $firstline += 4;
- write_line_pp($firstline, 0);
- print <<'EOF';
-
-#include <stdarg.h> /* We need va_lists */
-#include "sci/include/sci_memory.h"
-
-#ifdef CFSML_DEBUG_MALLOC
-/*
-#define free(p) dbg_sci_free(p)
-#define malloc(s) dbg_sci_malloc(s)
-#define calloc(n, s) dbg_sci_calloc(n, s)
-#define realloc(p, s) dbg_sci_realloc(p, s)
-*/
-#define free dbg_sci_free
-#define malloc dbg_sci_malloc
-#define calloc dbg_sci_calloc
-#define realloc dbg_sci_realloc
-#endif
-
-static void
-_cfsml_error(const char *fmt, ...)
-{
- va_list argp;
-
- fprintf(stderr, "Error: ");
- va_start(argp, fmt);
- vfprintf(stderr, fmt, argp);
- va_end(argp);
-
-}
-
-
-static struct _cfsml_pointer_refstruct {
- struct _cfsml_pointer_refstruct *next;
- void *ptr;
-} *_cfsml_pointer_references = NULL;
-
-static struct _cfsml_pointer_refstruct **_cfsml_pointer_references_current = &_cfsml_pointer_references;
-
-static char *_cfsml_last_value_retrieved = NULL;
-static char *_cfsml_last_identifier_retrieved = NULL;
-
-static void
-_cfsml_free_pointer_references_recursively(struct _cfsml_pointer_refstruct *refs, int free_pointers)
-{
- if (!refs)
- return;
- #ifdef CFSML_DEBUG_MALLOC
- SCI_MEMTEST;
- #endif
-
- _cfsml_free_pointer_references_recursively(refs->next, free_pointers);
- #ifdef CFSML_DEBUG_MALLOC
- SCI_MEMTEST;
-
- fprintf(stderr,"Freeing ptrref %p [%p] %s\n", refs->ptr, refs, free_pointers?
- "ALL": "cleanup only");
- #endif
-
- if (free_pointers)
- free(refs->ptr);
-
- #ifdef CFSML_DEBUG_MALLOC
- SCI_MEMTEST;
- #endif
- free(refs);
- #ifdef CFSML_DEBUG_MALLOC
- SCI_MEMTEST;
- #endif
-}
-
-static void
-_cfsml_free_pointer_references(struct _cfsml_pointer_refstruct **meta_ref, int free_pointers)
-{
- _cfsml_free_pointer_references_recursively(*meta_ref, free_pointers);
- *meta_ref = NULL;
- _cfsml_pointer_references_current = meta_ref;
-}
-
-static struct _cfsml_pointer_refstruct **
-_cfsml_get_current_refpointer()
-{
- return _cfsml_pointer_references_current;
-}
-
-static void _cfsml_register_pointer(void *ptr)
-{
- struct _cfsml_pointer_refstruct *newref = (struct _cfsml_pointer_refstruct*)sci_malloc(sizeof (struct _cfsml_pointer_refstruct));
- #ifdef CFSML_DEBUG_MALLOC
- SCI_MEMTEST;
- fprintf(stderr,"Registering ptrref %p [%p]\n", ptr, newref);
- #endif
- newref->next = *_cfsml_pointer_references_current;
- newref->ptr = ptr;
- *_cfsml_pointer_references_current = newref;
-}
-
-
-static char *
-_cfsml_mangle_string(const char *s)
-{
- const char *source = s;
- char c;
- char *target = (char *) sci_malloc(1 + strlen(s) * 2); /* We will probably need less than that */
- char *writer = target;
-
- while ((c = *source++)) {
-
- if (c < 32) { /* Special character? */
- *writer++ = '\\'; /* Escape... */
- c += ('a' - 1);
- } else if (c == '\\' || c == '"')
- *writer++ = '\\'; /* Escape, but do not change */
- *writer++ = c;
-
- }
- *writer = 0; /* Terminate string */
-
- return (char *) sci_realloc(target, strlen(target) + 1);
-}
-
-
-static char *
-_cfsml_unmangle_string(const char *s, unsigned int length)
-{
- char *target = (char *) sci_malloc(1 + strlen(s));
- char *writer = target;
- const char *source = s;
- const char *end = s + length;
- char c;
-
- while ((source != end) && (c = *source++) && (c > 31)) {
- if (c == '\\') { /* Escaped character? */
- c = *source++;
- if ((c != '\\') && (c != '"')) /* Un-escape 0-31 only */
- c -= ('a' - 1);
- }
- *writer++ = c;
- }
- *writer = 0; /* Terminate string */
-
- return (char *) sci_realloc(target, strlen(target) + 1);
-}
-
-
-static char *
-_cfsml_get_identifier(FILE *fd, int *line, int *hiteof, int *assignment)
-{
- int c;
- int mem = 32;
- int pos = 0;
- int done = 0;
- char *retval = (char *) sci_malloc(mem);
-
- if (_cfsml_last_identifier_retrieved) {
- free(_cfsml_last_identifier_retrieved);
- _cfsml_last_identifier_retrieved = NULL;
- }
-
- while (isspace(c = fgetc(fd)) && (c != EOF));
- if (c == EOF) {
- _cfsml_error("Unexpected end of file at line %d\n", *line);
- free(retval);
- *hiteof = 1;
- return NULL;
- }
-
- ungetc(c, fd);
-
- while (((c = fgetc(fd)) != EOF) && ((pos == 0) || (c != '\n')) && (c != '=')) {
-
- if (pos == mem - 1) /* Need more memory? */
- retval = (char *) sci_realloc(retval, mem *= 2);
-
- if (!isspace(c)) {
- if (done) {
- _cfsml_error("Single word identifier expected at line %d\n", *line);
- free(retval);
- return NULL;
- }
- retval[pos++] = c;
- } else
- if (pos != 0)
- done = 1; /* Finished the variable name */
- else if (c == '\n')
- ++(*line);
- }
-
- if (c == EOF) {
- _cfsml_error("Unexpected end of file at line %d\n", *line);
- free(retval);
- *hiteof = 1;
- return NULL;
- }
-
- if (c == '\n') {
- ++(*line);
- if (assignment)
- *assignment = 0;
- } else
- if (assignment)
- *assignment = 1;
-
- if (pos == 0) {
- _cfsml_error("Missing identifier in assignment at line %d\n", *line);
- free(retval);
- return NULL;
- }
-
- if (pos == mem - 1) /* Need more memory? */
- retval = (char *) sci_realloc(retval, mem += 1);
-
- retval[pos] = 0; /* Terminate string */
-EOF
-
-if ($debug) {
- print " printf(\"identifier is '%s'\\n\", retval);\n";
-}
-
- $firstline = __LINE__;
- $firstline += 4;
- write_line_pp($firstline, 0);
- print <<'EOF2';
-
- return _cfsml_last_identifier_retrieved = retval;
-}
-
-
-static char *
-_cfsml_get_value(FILE *fd, int *line, int *hiteof)
-{
- int c;
- int mem = 64;
- int pos = 0;
- char *retval = (char *) sci_malloc(mem);
-
- if (_cfsml_last_value_retrieved) {
- free(_cfsml_last_value_retrieved);
- _cfsml_last_value_retrieved = NULL;
- }
-
- while (((c = fgetc(fd)) != EOF) && (c != '\n')) {
-
- if (pos == mem - 1) /* Need more memory? */
- retval = (char *) sci_realloc(retval, mem *= 2);
-
- if (pos || (!isspace(c)))
- retval[pos++] = c;
-
- }
-
- while ((pos > 0) && (isspace(retval[pos - 1])))
- --pos; /* Strip trailing whitespace */
-
- if (c == EOF)
- *hiteof = 1;
-
- if (pos == 0) {
- _cfsml_error("Missing value in assignment at line %d\n", *line);
- free(retval);
- return NULL;
- }
-
- if (c == '\n')
- ++(*line);
-
- if (pos == mem - 1) /* Need more memory? */
- retval = (char *) sci_realloc(retval, mem += 1);
-
- retval[pos] = 0; /* Terminate string */
-EOF2
-
- if ($debug) {
- print " printf(\"value is '%s'\\n\", retval);\n";
- }
-
- $firstline = __LINE__;
- $firstline += 4;
- write_line_pp($firstline, 0);
- print <<'EOF3';
- return (_cfsml_last_value_retrieved = (char *) sci_realloc(retval, strlen(retval) + 1));
- /* Re-allocate; this value might be used for quite some while (if we are
- ** restoring a string)
- */
-}
-EOF3
- }
-
-
-# Call with $expression as a simple expression, like "tos + 1".
-# Returns (in this case) ("tos", "-1").
-sub lvaluize
- {
- my @retval;
-# print "//DEBUG: $expression [";
- my @tokens = split (/([+-\/\*])/, $expression);
-# print join(",", @tokens);
- $retval[0] = $tokens[0];
-
- my $rightvalue = "";
- for ($i = 1; $tokens[$i]; $i++) {
-
- if ($tokens[$i] eq "+") {
- $rightvalue .= "-";
- } elsif ($tokens[$i] eq "-") {
- $rightvalue .= "+";
- } elsif ($tokens[$i] eq "/") {
- $rightvalue .= "*";
- } elsif ($tokens[$i] eq "*") {
- $rightvalue .= "/";
- } else {
- $rightvalue .= $tokens[$i];
- }
- }
-
- $retval[1] = $rightvalue;
-
-# print "] => ($retval[0];$retval[1])\n";
-
- return @retval;
- }
-
-
-
-sub create_declaration
- {
- $typename = $type;
- $ctype = $types{$type}->{'ctype'};
-
- if (not $types{$type}->{'external'}) {
- $types{$type}{'writer'} = "_cfsml_write_" . $typename;
- $types{$type}{'reader'} = "_cfsml_read_" . $typename;
- write_line_pp(__LINE__, 0);
- print "static void\n$types{$type}{'writer'}(FILE *fh, $ctype* save_struc);\n";
- print "static int\n$types{$type}{'reader'}(FILE *fh, $ctype* save_struc, const char *lastval,".
- " int *line, int *hiteof);\n\n";
- };
-
- }
-
-sub create_writer
- {
- $typename = $type;
- $ctype = $types{$type}{'ctype'};
-
- write_line_pp(__LINE__, 0);
- print "static void\n_cfsml_write_$typename(FILE *fh, $ctype* save_struc)\n{\n";
- if ($types{$type}{'type'} eq $type_record) {
- print " int min, max, i;\n\n";
- }
-
- if ($types{$type}{'type'} eq $type_integer) {
- print " fprintf(fh, \"%li\", (long) *save_struc);\n";
- }
- elsif ($types{$type}{'type'} eq $type_string) {
- write_line_pp(__LINE__, 0);
- print " if (!(*save_struc))\n";
- print " fprintf(fh, \"\\\\null\\\\\");\n";
- print " else {\n";
- print " char *token = _cfsml_mangle_string((const char *) *save_struc);\n";
- print " fprintf(fh, \"\\\"%s\\\"\", token);\n";
- print " free(token);\n";
- print " }\n";
- }
- elsif ($types{$type}{'type'} eq $type_record) {
- write_line_pp(__LINE__, 0);
- print " fprintf(fh, \"{\\n\");\n";
-
- for $n (@{$records{$type}}) {
-
- print " fprintf(fh, \"$n->{'name'} = \");\n";
-
- if ($n->{'array'}) { # Check for arrays
-
- if ($n->{'array'} eq 'static' or $n->{'size'} * 2) { # fixed integer value?
- print " min = max = $n->{'size'};\n";
- }
- else { # No, a variable
- print " min = max = save_struc->$n->{'size'};\n";
- }
-
- if ($n->{'maxwrite'}) { # A write limit?
- print " if (save_struc->$n->{'maxwrite'} < min)\n";
- print " min = save_struc->$n->{'maxwrite'};\n";
- }
-
- if ($n->{'array'} eq 'dynamic') {
- print " if (!save_struc->$n->{'name'})\n";
- print " min = max = 0; /* Don't write if it points to NULL */\n";
- }
-
- write_line_pp(__LINE__, 0);
- print " fprintf(fh, \"[%d][\\n\", max);\n";
- print " for (i = 0; i < min; i++) {\n";
- print " $types{$n->{'type'}}{'writer'}";
- my $subscribstr = "[i]"; # To avoid perl interpolation problems
- print "(fh, &(save_struc->$n->{'name'}$subscribstr));\n";
- print " fprintf(fh, \"\\n\");\n";
- print " }\n";
- print " fprintf(fh, \"]\");\n";
-
- } elsif ($n->{'type'} eq $type_pointer) { # Relative pointer
-
- print " fprintf(fh, \"%d\", save_struc->$n->{'name'} - save_struc->$n->{'anchor'});" .
- " /* Relative pointer */\n";
-
- } elsif ($n->{'type'} eq $type_abspointer) { # Absolute pointer
-
- print " if (!save_struc->$n->{'name'})\n";
- print " fprintf(fh, \"\\\\null\\\\\");\n";
- print " else \n";
- print " $types{$n->{'reftype'}}{'writer'}";
- print "(fh, save_struc->$n->{'name'});\n";
-
- } else { # Normal record entry
-
- print " $types{$n->{'type'}}{'writer'}";
- print "(fh, ($types{$n->{'type'}}{'ctype'}*) &(save_struc->$n->{'name'}));\n";
-
- }
-
- print " fprintf(fh, \"\\n\");\n";
- }
-
- print " fprintf(fh, \"}\");\n";
- }
- else {
- print STDERR "Warning: Attempt to create_writer for invalid type '$types{$type}{'type'}'\n";
- }
- print "}\n\n";
-
- }
-
-
-sub create_reader
- {
- $typename = $type;
- $ctype = $types{$type}{'ctype'};
-
- write_line_pp(__LINE__, 0);
- print "static int\n_cfsml_read_$typename";
- print "(FILE *fh, $ctype* save_struc, const char *lastval, int *line, int *hiteof)\n{\n";
-
- print " char *token;\n";
- if ($types{$type}{'type'} eq $type_record) {
- print "int min, max, i;\n";
- }
- my $reladdress_nr = 0; # Number of relative addresses needed
- my $reladdress = 0; # Current relative address number
- my $reladdress_resolver = ""; # Relative addresses are resolved after the main while block
-
- if ($types{$type}{'type'} eq $type_record) {
-
- foreach $n (@{$records{$type}}) { # Count relative addresses we need
- if ($n->{'type'} eq $type_pointer) {
- ++$reladdress_nr;
- }
- }
-
- if ($reladdress_nr) { # Allocate stack space for all relative addresses needed
- print " int reladdresses[$reladdress_nr] = {0};\n";
- }
- }
-
- if ($types{$type}{'type'} eq $type_integer) {
- write_line_pp(__LINE__, 0);
- print "\n *save_struc = strtol(lastval, &token, 0);\n";
- print " if ( (*save_struc == 0) && (token == lastval) ) {\n";
- print " _cfsml_error(\"strtol failed at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " if (*token != 0) {\n";
- print " _cfsml_error(\"Non-integer encountered while parsing int value at line %d\\n\",";
- print " *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " return CFSML_SUCCESS;\n";
- } elsif ($types{$type}{'type'} eq $type_string) {
- write_line_pp(__LINE__, 0);
- print "\n";
- print " if (strcmp(lastval, \"\\\\null\\\\\")) { /* null pointer? */\n";
- print " unsigned int length = strlen(lastval);\n";
- print " if (*lastval == '\"') { /* Quoted string? */\n";
- print " while (lastval[length] != '\"')\n";
- print " --length;\n\n";
- print " if (!length) { /* No matching double-quotes? */\n";
- print " _cfsml_error(\"Unbalanced quotes at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n\n";
- print " lastval++; /* ...and skip the opening quotes locally */\n";
- print " length--;\n";
- print " }\n";
- print " *save_struc = _cfsml_unmangle_string(lastval, length);\n";
- print " _cfsml_register_pointer(*save_struc);\n";
- print " return CFSML_SUCCESS;\n";
- print " } else {\n";
- print " *save_struc = NULL;\n";
- print " return CFSML_SUCCESS;\n";
- print " }\n";
- } elsif ($types{$type}{'type'} eq $type_record) {
- write_line_pp(__LINE__, 0);
- print " int assignment, closed, done;\n\n";
- print " if (strcmp(lastval, \"{\")) {\n";
- print " _cfsml_error(\"Reading record $type; expected opening braces in line %d, got \\\"%s\\\"\\n\",";
- print "*line, lastval);\n";
- print " return CFSML_FAILURE;\n";
- print " };\n";
- print " closed = 0;\n";
- print " do {\n";
- print " const char *value;\n";
- print " token = _cfsml_get_identifier(fh, line, hiteof, &assignment);\n\n";
- print " if (!token) {\n";
- print " _cfsml_error(\"Expected token at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " if (!assignment) {\n";
- print " if (!strcmp(token, \"}\")) \n";
- print " closed = 1;\n";
- print " else {\n";
- print " _cfsml_error(\"Expected assignment or closing braces in line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " } else {\n";
- print " value = \"\";\n";
- print " while (!value || !strcmp(value, \"\"))\n";
- print " value = _cfsml_get_value(fh, line, hiteof);\n";
- print " if (!value) {\n";
- print " _cfsml_error(\"Expected token at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
-# print " }\n";
-
-
- foreach $n (@{$records{$type}}) { # Now take care of all record elements
-
- my $type = $n->{'type'};
- my $reference = undef;
- if ($type eq $type_abspointer) {
- $reference = 1;
- $type = $n->{'reftype'};
- }
- my $name = $n->{'name'};
- my $reader = $types{$type}{'reader'};
- my $size = $n->{'size'};
-
- print " if (!strcmp(token, \"$name\")) {\n";
-
- if ($type eq $type_pointer) { # A relative pointer
-
- $reader = $types{'int'}{'reader'}; # Read relpointer as int
-
- write_line_pp(__LINE__, 0);
- print " if ($reader(fh, &(reladdresses[$reladdress]), value, line, hiteof)) {\n";
- print " _cfsml_error(\"Expected token at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
-
- # Make sure that the resulting variable is interpreted correctly
- $reladdress_resolver .= " save_struc->$n->{'name'} =".
- " save_struc->$n->{'anchor'} + reladdresses[$reladdress];\n";
-
- ++$reladdress; # Prepare reladdress for next element
-
- } elsif ($n->{'array'}) { # Is it an array?
- write_line_pp(__LINE__, 0);
- print " if ((value[0] != '[') || (value[strlen(value) - 1] != '[')) {\n";
- # The value must end with [, since we're starting array data, and it must also
- # begin with [, since this is either the only character in the line, or it starts
- # the "amount of memory to allocate" block
- print " _cfsml_error(\"Opening brackets expected at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
-
- if ($n->{'array'} eq 'dynamic') {
- write_line_pp(__LINE__, 0);
- # We need to allocate the array first
- print " /* Prepare to restore dynamic array */\n";
- # Read amount of memory to allocate
- print " max = strtol(value + 1, NULL, 0);\n";
- print " if (max < 0) {\n";
- print " _cfsml_error(\"Invalid number of elements to allocate for dynamic ";
- print "array '%s' at line %d\\n\", token, *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n\n";
-
- print " if (max) {\n";
- print " save_struc->$name = ($n->{'type'} *) sci_malloc(max * sizeof($type));\n";
- print "#ifdef SATISFY_PURIFY\n";
- print " memset(save_struc->$name, 0, max * sizeof($type));\n";
- print "#endif\n";
- print " _cfsml_register_pointer(save_struc->$name);\n";
- print " }\n";
- print " else\n";
- print " save_struc->$name = NULL;\n"
-
- } else { # static array
- print " /* Prepare to restore static array */\n";
- print " max = $size;\n";
- }
-
- write_line_pp(__LINE__, 0);
- print " done = i = 0;\n";
- print " do {\n";
- if ($type eq $type_record) {
- print " if (!(value = _cfsml_get_value(fh, line, hiteof))) {\n";
- } else {
- print " if (!(value = _cfsml_get_identifier(fh, line, hiteof, NULL))) {\n";
- }
- write_line_pp(__LINE__, 0);
-
- print " _cfsml_error(\"Token expected at line %d\\n\", *line);\n";
- print " return 1;\n";
- print " }\n";
- print " if (strcmp(value, \"]\")) {\n";
- print " if (i == max) {\n";
- print " _cfsml_error(\"More elements than space available (%d) in '%s' at ";
- print "line %d\\n\", max, token, *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- my $helper = "[i++]";
- print " if ($reader(fh, &(save_struc->$name$helper), value, line, hiteof)) {\n";
- print " _cfsml_error(\"Token expected by $reader() for $name$helper at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " } else done = 1;\n";
- print " } while (!done);\n";
-
- if ($n->{'array'} eq "dynamic") {
- my @xpr = lvaluize($expression = $n->{'size'});
- print " save_struc->$xpr[0] = max $xpr[1]; /* Set array size accordingly */\n";
- }
-
- if ($n->{'maxwrite'}) {
- my @xpr = lvaluize($expression = $n->{'maxwrite'});
- print " save_struc->$xpr[0] = i $xpr[1]; /* Set number of elements */\n";
- }
-
- }
- elsif ($reference) {
- write_line_pp(__LINE__, 0);
- print " if (strcmp(value, \"\\\\null\\\\\")) { /* null pointer? */\n";
- print " save_struc->$name = sci_malloc(sizeof ($type));\n";
- print " _cfsml_register_pointer(save_struc->$name);\n";
- print " if ($reader(fh, save_struc->$name, value, line, hiteof)) {\n";
- print " _cfsml_error(\"Token expected by $reader() for $name at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " } else save_struc->$name = NULL;\n";
- }
- else { # It's a simple variable or a struct
- write_line_pp(__LINE__, 0);
- print " if ($reader(fh, ($types{$type}{'ctype'}*) &(save_struc->$name), value, line, hiteof)) {\n";
- print " _cfsml_error(\"Token expected by $reader() for $name at line %d\\n\", *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- }
- print " } else\n";
-
- }
- write_line_pp(__LINE__, 0);
- print " {\n";
- print " _cfsml_error(\"$type: Assignment to invalid identifier '%s' in line %d\\n\",";
- print " token, *line);\n";
- print " return CFSML_FAILURE;\n";
- print " }\n";
- print " }\n";
-
- print " } while (!closed); /* Until closing braces are hit */\n";
-
- print $reladdress_resolver; # Resolves any relative addresses
-
- print " return CFSML_SUCCESS;\n";
- } else {
- print STDERR "Warning: Attempt to create_reader for invalid type '$types{$type}{'type'}'\n";
- }
-
- print "}\n\n";
- }
-
-# Built-in types
-
-%types = (
- 'int' => {
- 'type' => $type_integer,
- 'ctype' => "int",
- },
-
- 'string' => {
- 'type' => $type_string,
- 'ctype' => "char *",
- },
- );
-
-
-
-sub create_function_block {
- print "\n/* Auto-generated CFSML declaration and function block */\n\n";
- write_line_pp(__LINE__, 0);
- print "#define CFSML_SUCCESS 0\n";
- print "#define CFSML_FAILURE 1\n\n";
- create_string_functions;
-
- foreach $n ( keys %types ) {
- create_declaration($type = $n);
- }
-
- foreach $n ( keys %types ) {
- if (not $types{$n}->{'external'}) {
- create_writer($type = $n);
- create_reader($type = $n);
- }
- }
- print "\n/* Auto-generated CFSML declaration and function block ends here */\n";
- print "/* Auto-generation performed by cfsml.pl $version */\n";
-}
-
-
-# Gnerates code to read a data type
-# Parameters: $type: Type to read
-# $datap: Pointer to the write destination
-# $fh: Existing filehandle of an open file to use
-# $eofvar: Variable to store _cfsml_eof into
-sub insert_reader_code {
- print "/* Auto-generated CFSML data reader code */\n";
- write_line_pp(__LINE__, 0);
- print " {\n";
- if (!$linecounter) {
- write_line_pp(__LINE__, 0);
- print " int _cfsml_line_ctr = 0;\n";
- $linecounter = '_cfsml_line_ctr';
- }
- if ($atomic) {
- write_line_pp(__LINE__, 0);
- print " struct _cfsml_pointer_refstruct **_cfsml_myptrrefptr = _cfsml_get_current_refpointer();\n";
- }
- write_line_pp(__LINE__, 0);
- print " int _cfsml_eof = 0, _cfsml_error;\n";
- print " int dummy;\n";
-
- if ($firsttoken) {
- write_line_pp(__LINE__, 0);
- print " const char *_cfsml_inp = $firsttoken;\n";
- } else {
- write_line_pp(__LINE__, 0);
- print " const char *_cfsml_inp =".
- " _cfsml_get_identifier($fh, &($linecounter), &_cfsml_eof, &dummy);\n\n";
- }
-
- write_line_pp(__LINE__, 0);
- print " _cfsml_error =".
- " $types{$type}{'reader'}($fh, $datap, _cfsml_inp, &($linecounter), &_cfsml_eof);\n";
-
- if ($eofvar) {
- write_line_pp(__LINE__, 0);
- print " $eofvar = _cfsml_error;\n";
- }
- if ($atomic) {
- write_line_pp(__LINE__, 0);
- print " _cfsml_free_pointer_references(_cfsml_myptrrefptr, _cfsml_error);\n";
- }
- write_line_pp(__LINE__, 0);
- print " if (_cfsml_last_value_retrieved) {\n";
- print " free(_cfsml_last_value_retrieved);\n";
- print " _cfsml_last_value_retrieved = NULL;\n";
- print " }\n";
- print " if (_cfsml_last_identifier_retrieved) {\n";
- print " free(_cfsml_last_identifier_retrieved);\n";
- print " _cfsml_last_identifier_retrieved = NULL;\n";
- print " }\n";
- print " }\n";
- print "/* End of auto-generated CFSML data reader code */\n";
-}
-
-# Generates code to write a data type
-# Parameters: $type: Type to write
-# $datap: Pointer to the write destination
-# $fh: Existing filehandle of an open file to use
-sub insert_writer_code {
- write_line_pp(__LINE__, 0);
- print "/* Auto-generated CFSML data writer code */\n";
- print " $types{$type}{'writer'}($fh, $datap);\n";
- print " fprintf($fh, \"\\n\");\n";
- print "/* End of auto-generated CFSML data writer code */\n";
-}
-
-
-################
-# Main program #
-################
-
-$parsing = 0;
-$struct = undef; # Not working on a struct
-$commentmode = undef;
-$line = 0;
-
-while (<STDIN>) {
-
- $line++;
-
- if ($parsing) {
- ($data) = split "#"; # Remove shell-style comments
- @_ = ($data);
-
- s/\/\*.*\*\///g; # Remove C-style one-line comments
-
- ($data) = split "\/\/"; # Remove C++-style comments
- @_ = ($data);
-
- if ($commentmode) {
-
- if (grep /\*\//, $_) {
- ($empty, $_) = split /\*\//;
- } else {
- @_ = (); # Empty line
- }
-
- } else {
- if (grep /\/\*/, $_) {
- $commentmode = 1;
- ($_) = split /\/\*/;
- }
- }
-
-
- # Now tokenize:
- s/;//;
- split /(\".*\"|[,\[\]\(\)\{\}])|\s+/;
-
- @items = @_;
-
- @tokens = ();
-
- $tokens_nr = 0;
- for ($n = 0; $n < scalar @items; $n++) { # Get rid of all undefs
- if ($_[$n]) {
- $_ = $items[$n];
- s/\"//g;
- $tokens[$tokens_nr++] = $_;
- }
- }
-
- # Now all tokens are in @tokens, and we have $tokens_nr of them.
-
-# print "//DEBUG: " . join ("|", @tokens) . "\n";
-
- if ($tokens_nr) {
- if ($tokens_nr == 2 && $tokens[0] eq "%END" && $tokens[1] eq "CFSML") {
-
- $struct && die "Record $struct needs closing braces in intput file (line $line).";
-
- $parsing = 0;
- create_function_block;
- my $linep = $line + 1;
- write_line_pp($linep, 1);
- } elsif ($struct) { # Parsing struct
- if ($tokens_nr == 1) {
- if ($tokens[0] eq "}") {
- $struct = undef;
- } else { die "Invalid declaration of $token[0] in input file (line $line)\n";};
- } else { # Must be a member declaration
-
- my @structrecs = (@{$records{$struct}});
- my $newidx = (scalar @structrecs) or "0";
- my %member = ();
- $member{'name'} = $tokens[1];
- $member{'type'} = $tokens[0];
-
- if ($tokens_nr == 3 && $tokens[1] == "*") {
- $tokens_nr = 2;
- $member{'name'} = $tokens[2];
- $member{'reftype'} = $tokens[0];
- $member{'type'} = $type_abspointer;
- }
-
- if ($tokens_nr == 4 and $tokens[0] eq $type_pointer) { # Relative pointer
-
- if (not $tokens[2] eq "RELATIVETO") {
- die "Invalid relative pointer declaration in input file (line $line)\n";
- }
-
- $member{'anchor'} = $tokens[3]; # RelPointer anchor
-
- } else { # Non-pointer
-
- if (not $types{$tokens[0]}) {
- die "Unknown type $tokens[0] used in input file (line $line)\n";
- }
-
- if ($tokens_nr > 2) { # Array
-
- if ($tokens[2] ne "[") {
- die "Invalid token '$tokens[2]' in input file (line $line)\n";
- }
-
- $member{'array'} = "static";
-
- if ($tokens[$tokens_nr - 1] ne "]") {
- die "Array declaration incorrectly terminated in input file (line $line)\n";
- }
-
- $parsepos = 3;
-
- while ($parsepos < $tokens_nr) {
-
- if ($tokens[$parsepos] eq ",") {
-
- $parsepos++;
-
- } elsif ($tokens[$parsepos] eq "STATIC") {
-
- $member{'array'} = "static";
- $parsepos++;
-
- } elsif ($tokens[$parsepos] eq "DYNAMIC") {
-
- $member{'array'} = "dynamic";
- $parsepos++;
-
- } elsif ($tokens[$parsepos] eq "MAXWRITE") {
-
- $member{'maxwrite'} = $tokens[$parsepos + 1];
- $parsepos += 2;
-
- } elsif ($tokens[$parsepos] eq "]") {
-
- $parsepos++;
- if ($parsepos != $tokens_nr) {
- die "Error: Invalid tokens after array declaration in input file (line $line)\n";
-
- }
- } else {
-
- if ($member{'size'}) {
- die "Attempt to use more than one array size in input file (line $line)\n" .
- "(Original size was \"$member->{'size'}\", new size is \"$tokens[$parsepos]\"\n";
- }
-
- $member{'size'} = $tokens[$parsepos];
- $parsepos++;
- }
- }
-
-
- unless ($member{'size'}) {
- die "Array declaration without size in input file (line $line)\n";
- }
- }
- }
-
- @{$records{$struct}}->[$newidx] = \%member;
- }
- } else { # not parsing struct; normal operation.
-
- if ($tokens[0] eq "TYPE") { # Simple type declaration
-
- my $newtype = $tokens[1];
-
- $types{$newtype}->{'ctype'} = $tokens[2];
-
- if ($tokens_nr == 5) { # must be ...LIKE...
-
- unless ($tokens[3] eq "LIKE") {
- die "Invalid TYPE declaration in input file (line $line)\n";
- }
-
- $types{$newtype}->{'type'} = $types{$tokens[4]}->{'type'};
- $types{$newtype}->{'reader'} = $types{$tokens[4]}->{'reader'};
- $types{$newtype}->{'writer'} = $types{$tokens[4]}->{'writer'};
-
- } elsif ($tokens_nr == 6) { # must be ...USING...
-
- unless ($tokens[3] eq "USING") {
- die "Invalid TYPE declaration in input file (line $line)\n";
- }
-
- $types{$newtype}->{'writer'} = $tokens[4];
- $types{$newtype}->{'reader'} = $tokens[5];
- $types{$newtype}->{'external'} = 'T';
-
- } else {
- die "Invalid TYPE declaration in input file (line $line)\n";
- }
-
- } elsif ($tokens[0] eq "RECORD") {
-
- $struct = $tokens[1];
- if ($types{$struct}) {
- die "Attempt to re-define existing type $struct as a struct in input file (line $line)";
- }
- $types{$struct}{'type'} = $type_record;
- if ($tokens_nr < 3 or $tokens_nr > 6 or $tokens[$tokens_nr - 1] ne "{") {
- die "Invalid record declaration in input file (line $line)";
- }
-
- my $extoffset = 2;
-
- if ($tokens_nr > 3) {
- if ($tokens[2] ne "EXTENDS") { # Record declaration with explicit c type
- $types{$struct}{'ctype'} = $tokens[2];
- $extoffset = 3;
- } else { # Record name is the same as the c type name
- $types{$struct}{'ctype'} = $struct;
- }
- } elsif ($tokens_nr == 3) {
- $types{$struct}{'ctype'} = $struct;
- }
-
- if (($tokens_nr > $extoffset + 1) && ($extoffset + 1 <= $tokens_nr)) {
- if ($tokens[$extoffset] ne "EXTENDS") {
- die "Invalid or improper keyword \"$tokens[$extoffset]\" in input file (line $line)";
- }
- if ($extoffset + 2 >= $tokens_nr) {
- die "RECORD \"$struct\" extends on unspecified type in input file (line $line)";
- }
- my $ext_type = $tokens[$extoffset + 1];
-
- if (!($types{$ext_type}{type} eq $type_record)) {
- print "$types{$ext_type}{type}";
- die "RECORD \"$struct\" attempts to extend non-existing or non-record type \"$ext_type\" in input file (line $line)";
- }
-
- (@{$records{$struct}}) = (@{$records{$ext_type}}); # Copy type information from super type
- }
-
- } else {
- die "Invalid declaration \"$tokens[0]\" in line $line";
- }
- }
- }
-
-
- } else {
-
- ($subtoken) = split ";"; # Get rid of trailing ;s
- $tokens_nr = @tokens = split " ", $subtoken;
-
- if ($tokens_nr == 1 && $tokens[0] eq "%CFSML") {
-
- $parsing = 1;
-
- } elsif ($tokens[0] eq "%CFSMLWRITE" and $tokens[3] eq "INTO" and $tokens_nr >= 5) {
-
- insert_writer_code($type = $tokens[1], $datap = $tokens[2], $fh = $tokens[4]);
- my $templine = $line + 1;
- write_line_pp($templine, 1); # Yes, this sucks.
-
- } elsif (($tokens[0] eq "%CFSMLREAD") or ($tokens[0] eq "%CFSMLREAD-ATOMIC") and $tokens[3] eq "FROM" and $tokens_nr >= 5) {
-
- my $myeofvar = 0;
- my $myfirsttoken = 0;
- my $mylinecounter = 0;
-
- my $idcounter = 5;
-
- while ($idcounter < $tokens_nr) {
- if ($tokens[$idcounter] eq "ERRVAR" and $tokens_nr >= $idcounter + 2) {
- $myeofvar = $tokens[$idcounter + 1];
- $idcounter += 2;
- } elsif ($tokens[$idcounter] eq "FIRSTTOKEN" and $tokens_nr >= $idcounter + 2) {
- $myfirsttoken = $tokens[$idcounter + 1];
- $idcounter += 2;
- } elsif ($tokens[$idcounter] eq "LINECOUNTER" and $tokens_nr >= $idcounter + 2) {
- $mylinecounter = $tokens[$idcounter + 1];
- $idcounter += 2;
- } else {
- die "Unknown %CFSMLREAD operational token: $tokens[$idcounter]\n";
- }
- }
- insert_reader_code($type = $tokens[1], $datap = $tokens[2],
- $fh = $tokens[4], $eofvar = $myeofvar, $firsttoken = $myfirsttoken,
- $linecounter = $mylinecounter, $atomic = ($tokens[0] eq "%CFSMLREAD-ATOMIC"));
- my $templine = $line + 1;
- write_line_pp($templine, 1); # Yes, this sucks, too.
-
- } else {
- print;
- }
- }
-
-}
-
-if ($parsing) {
- print <STDERR>, "Warning: Missing %END CFSML\n";
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 04:08:38 +0000