356 lines
9.8 KiB
C
356 lines
9.8 KiB
C
|
/*
|
||
|
|
** $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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define LUAC_CROSS_FILE
|
||
|
|
#define luac_c
|
||
|
|
#define LUA_CORE
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <time.h>
|
||
|
|
|
||
|
|
|
||
|
|
#include "lua.h"
|
||
|
|
#include "lauxlib.h"
|
||
|
|
#include "lualib.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 int flash=0; /* output flash image */
|
||
|
|
static lu_int32 address=0; /* output flash image at absolute location */
|
||
|
|
static lu_int32 maxSize=0x40000; /* maximuum uncompressed image size */
|
||
|
|
static int lookup=0; /* output lookup-style master combination header */
|
||
|
|
static char Output[]={ OUTPUT }; /* default output file name */
|
||
|
|
static const char* output=Output; /* actual output file name */
|
||
|
|
static const char* execute; /* executed a Lua file */
|
||
|
|
static const char* progname=PROGNAME; /* actual program name */
|
||
|
|
static DumpTargetInfo target;
|
||
|
|
|
||
|
|
void luac_fatal(const char* message)
|
||
|
|
{
|
||
|
|
fprintf(stderr,"%s: %s\n",progname,message);
|
||
|
|
exit(EXIT_FAILURE);
|
||
|
|
}
|
||
|
|
#define fatal(s) luac_fatal(s)
|
||
|
|
|
||
|
|
|
||
|
|
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"
|
||
|
|
" -e name execute a lua source file\n"
|
||
|
|
" -f output a flash image file\n"
|
||
|
|
" -a addr generate an absolute, rather than position independent flash image file\n"
|
||
|
|
" -i generate lookup combination master (default with option -f)\n"
|
||
|
|
" -m size maximum LFS image in bytes\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)
|
||
|
|
#define IROM0_SEG 0x40210000ul
|
||
|
|
#define IROM0_SEGMAX 0x00100000ul
|
||
|
|
|
||
|
|
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("-e")) /* execute a lua source file file */
|
||
|
|
{
|
||
|
|
execute=argv[++i];
|
||
|
|
if (execute ==NULL || *execute==0 || *execute=='-' )
|
||
|
|
usage(LUA_QL("-e") " needs argument");
|
||
|
|
}
|
||
|
|
else if (IS("-f")) /* Flash image file */
|
||
|
|
{
|
||
|
|
flash=lookup=1;
|
||
|
|
}
|
||
|
|
else if (IS("-a")) /* Absolue flash image file */
|
||
|
|
{
|
||
|
|
flash=lookup=1;
|
||
|
|
address=strtol(argv[++i],NULL,0);
|
||
|
|
size_t offset = (unsigned) (address -IROM0_SEG);
|
||
|
|
if (offset > IROM0_SEGMAX)
|
||
|
|
usage(LUA_QL("-e") " absolute address must be valid flash address");
|
||
|
|
}
|
||
|
|
else if (IS("-i")) /* lookup */
|
||
|
|
lookup = 1;
|
||
|
|
else if (IS("-l")) /* list */
|
||
|
|
++listing;
|
||
|
|
else if (IS("-m")) /* specify a maximum image size */
|
||
|
|
{
|
||
|
|
flash=lookup=1;
|
||
|
|
maxSize=strtol(argv[++i],NULL,0);
|
||
|
|
if (maxSize & 0xFFF)
|
||
|
|
usage(LUA_QL("-e") " maximum size must be a multiple of 4,096");
|
||
|
|
}
|
||
|
|
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 TString *corename(lua_State *L, const TString *filename)
|
||
|
|
{
|
||
|
|
const char *fn = getstr(filename)+1;
|
||
|
|
const char *s = strrchr(fn, '/');
|
||
|
|
if (!s) s = strrchr(fn, '\\');
|
||
|
|
s = s ? s + 1 : fn;
|
||
|
|
while (*s == '.') s++;
|
||
|
|
const char *e = strchr(s, '.');
|
||
|
|
int l = e ? e - s: strlen(s);
|
||
|
|
return l ? luaS_newlstr (L, s, l) : luaS_new(L, fn);
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* If the luac command line includes multiple files or has the -f option
|
||
|
|
* then luac generates a main function to reference all sub-main prototypes.
|
||
|
|
* This is one of two types:
|
||
|
|
* Type 0 The standard luac combination main
|
||
|
|
* Type 1 A lookup wrapper that facilitates indexing into the generated protos
|
||
|
|
*/
|
||
|
|
static const Proto* combine(lua_State* L, int n, int type)
|
||
|
|
{
|
||
|
|
if (n==1 && type == 0)
|
||
|
|
return toproto(L,-1);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
Instruction *pc;
|
||
|
|
Proto* f=luaF_newproto(L);
|
||
|
|
setptvalue2s(L,L->top,f); incr_top(L);
|
||
|
|
f->source=luaS_newliteral(L,"=(" PROGNAME ")");
|
||
|
|
f->p=luaM_newvector(L,n,Proto*);
|
||
|
|
f->sizep=n;
|
||
|
|
for (i=0; i<n; i++)
|
||
|
|
f->p[i]=toproto(L,i-n-1);
|
||
|
|
pc=0;
|
||
|
|
|
||
|
|
if (type == 0) {
|
||
|
|
/*
|
||
|
|
* Type 0 is as per the standard luac, which is just a main routine which
|
||
|
|
* invokes all of the compiled functions sequentially. This is fine if
|
||
|
|
* they are self registering modules, but useless otherwise.
|
||
|
|
*/
|
||
|
|
f->numparams = 0;
|
||
|
|
f->maxstacksize = 1;
|
||
|
|
f->sizecode = 2*n + 1 ;
|
||
|
|
f->sizek = 0;
|
||
|
|
f->code = luaM_newvector(L, f->sizecode , Instruction);
|
||
|
|
f->k = luaM_newvector(L,f->sizek,TValue);
|
||
|
|
|
||
|
|
for (i=0, pc = f->code; i<n; i++) {
|
||
|
|
*pc++ = CREATE_ABx(OP_CLOSURE,0,i);
|
||
|
|
*pc++ = CREATE_ABC(OP_CALL,0,1,1);
|
||
|
|
}
|
||
|
|
*pc++ = CREATE_ABC(OP_RETURN,0,1,0);
|
||
|
|
} else {
|
||
|
|
/*
|
||
|
|
* The Type 1 main() is a lookup which takes a single argument, the name to
|
||
|
|
* be resolved. If this matches root name of one of the compiled files then
|
||
|
|
* a closure to this file main is returned. Otherwise the Unixtime of the
|
||
|
|
* compile and the list of root names is returned.
|
||
|
|
*/
|
||
|
|
if (n > LFIELDS_PER_FLUSH) {
|
||
|
|
#define NO_MOD_ERR_(n) ": Number of modules > " #n
|
||
|
|
#define NO_MOD_ERR(n) NO_MOD_ERR_(n)
|
||
|
|
usage(LUA_QL("-f") NO_MOD_ERR(LFIELDS_PER_FLUSH));
|
||
|
|
}
|
||
|
|
f->numparams = 1;
|
||
|
|
f->maxstacksize = n + 3;
|
||
|
|
f->sizecode = 5*n + 5 ;
|
||
|
|
f->sizek = n + 1;
|
||
|
|
f->sizelocvars = 0;
|
||
|
|
f->code = luaM_newvector(L, f->sizecode , Instruction);
|
||
|
|
f->k = luaM_newvector(L,f->sizek,TValue);
|
||
|
|
for (i=0, pc = f->code; i<n; i++)
|
||
|
|
{
|
||
|
|
/* if arg1 == FnameA then return function (...) -- funcA -- end end */
|
||
|
|
setsvalue2n(L,f->k+i,corename(L, f->p[i]->source));
|
||
|
|
*pc++ = CREATE_ABC(OP_EQ,0,0,RKASK(i));
|
||
|
|
*pc++ = CREATE_ABx(OP_JMP,0,MAXARG_sBx+2);
|
||
|
|
*pc++ = CREATE_ABx(OP_CLOSURE,1,i);
|
||
|
|
*pc++ = CREATE_ABC(OP_RETURN,1,2,0);
|
||
|
|
}
|
||
|
|
|
||
|
|
setnvalue(f->k+n, (lua_Number) time(NULL));
|
||
|
|
|
||
|
|
*pc++ = CREATE_ABx(OP_LOADK,1,n);
|
||
|
|
*pc++ = CREATE_ABC(OP_NEWTABLE,2,luaO_int2fb(i),0);
|
||
|
|
for (i=0; i<n; i++)
|
||
|
|
*pc++ = CREATE_ABx(OP_LOADK,i+3,i);
|
||
|
|
*pc++ = CREATE_ABC(OP_SETLIST,2,i,1);
|
||
|
|
*pc++ = CREATE_ABC(OP_RETURN,1,3,0);
|
||
|
|
*pc++ = CREATE_ABC(OP_RETURN,0,1,0);
|
||
|
|
}
|
||
|
|
lua_assert((pc-f->code) == f->sizecode);
|
||
|
|
|
||
|
|
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;
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) || defined(__MINGW32__)
|
||
|
|
typedef unsigned int uint;
|
||
|
|
#endif
|
||
|
|
extern uint dumpToFlashImage (lua_State* L,const Proto *main, lua_Writer w,
|
||
|
|
void* data, int strip,
|
||
|
|
lu_int32 address, lu_int32 maxSize);
|
||
|
|
|
||
|
|
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");
|
||
|
|
if (execute)
|
||
|
|
{
|
||
|
|
luaL_openlibs(L);
|
||
|
|
if (luaL_loadfile(L,execute)!=0) fatal(lua_tostring(L,-1));
|
||
|
|
lua_pushstring(L, execute);
|
||
|
|
if (lua_pcall(L, 1, 1, 0)) fatal(lua_tostring(L,-1));
|
||
|
|
if (!lua_isfunction(L, -1))
|
||
|
|
{
|
||
|
|
lua_pop(L,1);
|
||
|
|
if(argc == 0) return 0;
|
||
|
|
execute = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
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 + (execute ? 1: 0), lookup);
|
||
|
|
if (listing) luaU_print(f,listing>1);
|
||
|
|
if (dumping)
|
||
|
|
{
|
||
|
|
int result;
|
||
|
|
FILE* D= (output==NULL) ? stdout : fopen(output,"wb");
|
||
|
|
if (D==NULL) cannot("open");
|
||
|
|
lua_lock(L);
|
||
|
|
if (flash)
|
||
|
|
{
|
||
|
|
result=dumpToFlashImage(L,f,writer, D, stripping, address, maxSize);
|
||
|
|
} else
|
||
|
|
{
|
||
|
|
result=luaU_dump_crosscompile(L,f,writer,D,stripping,target);
|
||
|
|
}
|
||
|
|
lua_unlock(L);
|
||
|
|
if (result==LUA_ERR_CC_INTOVERFLOW) fatal("value too big or small for target integer type");
|
||
|
|
if (result==LUA_ERR_CC_NOTINTEGER) fatal("target lua_Number is integral but fractional value found");
|
||
|
|
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 test=1;
|
||
|
|
target.little_endian=*(char*)&test;
|
||
|
|
target.sizeof_int=sizeof(int);
|
||
|
|
target.sizeof_strsize_t=sizeof(strsize_t);
|
||
|
|
target.sizeof_lua_Number=sizeof(lua_Number);
|
||
|
|
target.lua_Number_integral=(((lua_Number)0.5)==0);
|
||
|
|
target.is_arm_fpa=0;
|
||
|
|
|
||
|
|
int i=doargs(argc,argv);
|
||
|
|
argc-=i; argv+=i;
|
||
|
|
if (argc<=0 && execute==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;
|
||
|
|
}
|