From 80c7fcede046bf3443535217e4d5b08b851cfbaf Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Wed, 13 Oct 2010 11:24:53 +0000
Subject: SWORD25: Remove the unused LUA compiler

svn-id: r53411
---
 engines/sword25/module.mk       |   1 -
 engines/sword25/util/lua/luac.c | 200 ----------------------------------------
 2 files changed, 201 deletions(-)
 delete mode 100644 engines/sword25/util/lua/luac.c

diff --git a/engines/sword25/module.mk b/engines/sword25/module.mk
index ebe50976af..76d44cc3fc 100644
--- a/engines/sword25/module.mk
+++ b/engines/sword25/module.mk
@@ -91,7 +91,6 @@ MODULE_OBJS := \
 	util/lua/ltablib.o \
 	util/lua/ltm.o \
 	util/lua/lua.o \
-	util/lua/luac.o \
 	util/lua/lundump.o \
 	util/lua/lvm.o \
 	util/lua/lzio.o \
diff --git a/engines/sword25/util/lua/luac.c b/engines/sword25/util/lua/luac.c
deleted file mode 100644
index d07017391b..0000000000
--- a/engines/sword25/util/lua/luac.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
-** $Id: luac.c,v 1.54 2006/06/02 17:37:11 lhf Exp $
-** Lua compiler (saves bytecodes to files; also list bytecodes)
-** See Copyright Notice in lua.h
-*/
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define luac_c
-#define LUA_CORE
-
-#include "lua.h"
-#include "lauxlib.h"
-
-#include "ldo.h"
-#include "lfunc.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lopcodes.h"
-#include "lstring.h"
-#include "lundump.h"
-
-#define PROGNAME	"luac"		/* default program name */
-#define	OUTPUT		PROGNAME ".out"	/* default output file */
-
-static int listing=0;			/* list bytecodes? */
-static int dumping=1;			/* dump bytecodes? */
-static int stripping=0;			/* strip debug information? */
-static char Output[]={ OUTPUT };	/* default output file name */
-static const char* output=Output;	/* actual output file name */
-static const char* progname=PROGNAME;	/* actual program name */
-
-static void fatal(const char* message)
-{
- fprintf(stderr,"%s: %s\n",progname,message);
- exit(EXIT_FAILURE);
-}
-
-static void cannot(const char* what)
-{
- fprintf(stderr,"%s: cannot %s %s: %s\n",progname,what,output,strerror(errno));
- exit(EXIT_FAILURE);
-}
-
-static void usage(const char* message)
-{
- if (*message=='-')
-  fprintf(stderr,"%s: unrecognized option " LUA_QS "\n",progname,message);
- else
-  fprintf(stderr,"%s: %s\n",progname,message);
- fprintf(stderr,
- "usage: %s [options] [filenames].\n"
- "Available options are:\n"
- "  -        process stdin\n"
- "  -l       list\n"
- "  -o name  output to file " LUA_QL("name") " (default is \"%s\")\n"
- "  -p       parse only\n"
- "  -s       strip debug information\n"
- "  -v       show version information\n"
- "  --       stop handling options\n",
- progname,Output);
- exit(EXIT_FAILURE);
-}
-
-#define	IS(s)	(strcmp(argv[i],s)==0)
-
-static int doargs(int argc, char* argv[])
-{
- int i;
- int version=0;
- if (argv[0]!=NULL && *argv[0]!=0) progname=argv[0];
- for (i=1; i<argc; i++)
- {
-  if (*argv[i]!='-')			/* end of options; keep it */
-   break;
-  else if (IS("--"))			/* end of options; skip it */
-  {
-   ++i;
-   if (version) ++version;
-   break;
-  }
-  else if (IS("-"))			/* end of options; use stdin */
-   break;
-  else if (IS("-l"))			/* list */
-   ++listing;
-  else if (IS("-o"))			/* output file */
-  {
-   output=argv[++i];
-   if (output==NULL || *output==0) usage(LUA_QL("-o") " needs argument");
-   if (IS("-")) output=NULL;
-  }
-  else if (IS("-p"))			/* parse only */
-   dumping=0;
-  else if (IS("-s"))			/* strip debug information */
-   stripping=1;
-  else if (IS("-v"))			/* show version */
-   ++version;
-  else					/* unknown option */
-   usage(argv[i]);
- }
- if (i==argc && (listing || !dumping))
- {
-  dumping=0;
-  argv[--i]=Output;
- }
- if (version)
- {
-  printf("%s  %s\n",LUA_RELEASE,LUA_COPYRIGHT);
-  if (version==argc-1) exit(EXIT_SUCCESS);
- }
- return i;
-}
-
-#define toproto(L,i) (clvalue(L->top+(i))->l.p)
-
-static const Proto* combine(lua_State* L, int n)
-{
- if (n==1)
-  return toproto(L,-1);
- else
- {
-  int i,pc;
-  Proto* f=luaF_newproto(L);
-  setptvalue2s(L,L->top,f); incr_top(L);
-  f->source=luaS_newliteral(L,"=(" PROGNAME ")");
-  f->maxstacksize=1;
-  pc=2*n+1;
-  f->code=luaM_newvector(L,pc,Instruction);
-  f->sizecode=pc;
-  f->p=luaM_newvector(L,n,Proto*);
-  f->sizep=n;
-  pc=0;
-  for (i=0; i<n; i++)
-  {
-   f->p[i]=toproto(L,i-n-1);
-   f->code[pc++]=CREATE_ABx(OP_CLOSURE,0,i);
-   f->code[pc++]=CREATE_ABC(OP_CALL,0,1,1);
-  }
-  f->code[pc++]=CREATE_ABC(OP_RETURN,0,1,0);
-  return f;
- }
-}
-
-static int writer(lua_State* L, const void* p, size_t size, void* u)
-{
- UNUSED(L);
- return (fwrite(p,size,1,(FILE*)u)!=1) && (size!=0);
-}
-
-struct Smain {
- int argc;
- char** argv;
-};
-
-static int pmain(lua_State* L)
-{
- struct Smain* s = (struct Smain*)lua_touserdata(L, 1);
- int argc=s->argc;
- char** argv=s->argv;
- const Proto* f;
- int i;
- if (!lua_checkstack(L,argc)) fatal("too many input files");
- for (i=0; i<argc; i++)
- {
-  const char* filename=IS("-") ? NULL : argv[i];
-  if (luaL_loadfile(L,filename)!=0) fatal(lua_tostring(L,-1));
- }
- f=combine(L,argc);
- if (listing) luaU_print(f,listing>1);
- if (dumping)
- {
-  FILE* D= (output==NULL) ? stdout : fopen(output,"wb");
-  if (D==NULL) cannot("open");
-  lua_lock(L);
-  luaU_dump(L,f,writer,D,stripping);
-  lua_unlock(L);
-  if (ferror(D)) cannot("write");
-  if (fclose(D)) cannot("close");
- }
- return 0;
-}
-
-int main(int argc, char* argv[])
-{
- lua_State* L;
- struct Smain s;
- int i=doargs(argc,argv);
- argc-=i; argv+=i;
- if (argc<=0) usage("no input files given");
- L=lua_open();
- if (L==NULL) fatal("not enough memory for state");
- s.argc=argc;
- s.argv=argv;
- if (lua_cpcall(L,pmain,&s)!=0) fatal(lua_tostring(L,-1));
- lua_close(L);
- return EXIT_SUCCESS;
-}
-- 
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