/*** $Id: luac.c,v 1.72 2015/01/06 03:09:13 lhf Exp $** Lua compiler (saves bytecodes to files; also lists bytecodes)** See Copyright Notice in lua.h*/ #define luac_c#define LUA_CORE #include "lprefix.h" #include <ctype.h>#include <errno.h>#include <stdio.h>#include <stdlib.h>#include <string.h> #include "lua.h"#include "lauxlib.h" #include "lobject.h"#include "lstate.h"#include "lundump.h" static void PrintFunction(const Proto* f, int full);#define luaU_print PrintFunction #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 '%s'\n",progname,message); else fprintf(stderr,"%s: %s\n",progname,message); fprintf(stderr, "usage: %s [options] [filenames]\n" "Available options are:\n" " -l list (use -l -l for full listing)\n" " -o name output to file 'name' (default is \"%s\")\n" " -p parse only\n" " -s strip debug information\n" " -v show version information\n" " -- stop handling options\n" " - stop handling options and process stdin\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 || (*output=='-' && output[1]!=0)) usage("'-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\n",LUA_COPYRIGHT); if (version==argc-1) exit(EXIT_SUCCESS); } return i;} #define FUNCTION "(function()end)();" static const char* reader(lua_State *L, void *ud, size_t *size){ UNUSED(L); if ((*(int*)ud)--) { *size=sizeof(FUNCTION)-1; return FUNCTION; } else { *size=0; return NULL; }} #define toproto(L,i) getproto(L->top+(i)) static const Proto* combine(lua_State* L, int n){ if (n==1) return toproto(L,-1); else { Proto* f; int i=n; if (lua_load(L,reader,&i,"=(" PROGNAME ")",NULL)!=LUA_OK) fatal(lua_tostring(L,-1)); f=toproto(L,-1); for (i=0; i<n; i++) { f->p[i]=toproto(L,i-n-1); if (f->p[i]->sizeupvalues>0) f->p[i]->upvalues[0].instack=0; } f->sizelineinfo=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);} static int pmain(lua_State* L){ int argc=(int)lua_tointeger(L,1); char** argv=(char**)lua_touserdata(L,2); 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)!=LUA_OK) 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; int i=doargs(argc,argv); argc-=i; argv+=i; if (argc<=0) usage("no input files given"); L=luaL_newstate(); if (L==NULL) fatal("cannot create state: not enough memory"); lua_pushcfunction(L,&pmain); lua_pushinteger(L,argc); lua_pushlightuserdata(L,argv); if (lua_pcall(L,2,0,0)!=LUA_OK) fatal(lua_tostring(L,-1)); lua_close(L); return EXIT_SUCCESS;} /*** $Id: print.c,v 1.76 2015/01/05 16:12:50 lhf Exp $** print bytecodes** See Copyright Notice in lua.h*/ #include <ctype.h>#include <stdio.h> #define luac_c#define LUA_CORE #include "ldebug.h"#include "lobject.h"#include "lopcodes.h" #define VOID(p) ((const void*)(p)) static void PrintString(const TString* ts){ const char* s=getstr(ts); size_t i,n=ts->len; printf("%c",'"'); for (i=0; i<n; i++) { int c=(int)(unsigned char)s[i]; switch (c) { case '"': printf("\\\""); break; case '\\': printf("\\\\"); break; case '\a': printf("\\a"); break; case '\b': printf("\\b"); break; case '\f': printf("\\f"); break; case '\n': printf("\\n"); break; case '\r': printf("\\r"); break; case '\t': printf("\\t"); break; case '\v': printf("\\v"); break; default: if (isprint(c)) printf("%c",c); else printf("\\%03d",c); } } printf("%c",'"');} static void PrintConstant(const Proto* f, int i){ const TValue* o=&f->k[i]; switch (ttype(o)) { case LUA_TNIL: printf("nil"); break; case LUA_TBOOLEAN: printf(bvalue(o) ? "true" : "false"); break; case LUA_TNUMFLT: { char buff[100]; sprintf(buff,LUA_NUMBER_FMT,fltvalue(o)); printf("%s",buff); if (buff[strspn(buff,"-0123456789")]=='\0') printf(".0"); break; } case LUA_TNUMINT: printf(LUA_INTEGER_FMT,ivalue(o)); break; case LUA_TSHRSTR: case LUA_TLNGSTR: PrintString(tsvalue(o)); break; default: /* cannot happen */ printf("? type=%d",ttype(o)); break; }} #define UPVALNAME(x) ((f->upvalues[x].name) ? getstr(f->upvalues[x].name) : "-")#define MYK(x) (-1-(x)) static void PrintCode(const Proto* f){ const Instruction* code=f->code; int pc,n=f->sizecode; for (pc=0; pc<n; pc++) { Instruction i=code[pc]; OpCode o=GET_OPCODE(i); int a=GETARG_A(i); int b=GETARG_B(i); int c=GETARG_C(i); int ax=GETARG_Ax(i); int bx=GETARG_Bx(i); int sbx=GETARG_sBx(i); int line=getfuncline(f,pc); printf("\t%d\t",pc+1); if (line>0) printf("[%d]\t",line); else printf("[-]\t"); printf("%-9s\t",luaP_opnames[o]); switch (getOpMode(o)) { case iABC: printf("%d",a); if (getBMode(o)!=OpArgN) printf(" %d",ISK(b) ? (MYK(INDEXK(b))) : b); if (getCMode(o)!=OpArgN) printf(" %d",ISK(c) ? (MYK(INDEXK(c))) : c); break; case iABx: printf("%d",a); if (getBMode(o)==OpArgK) printf(" %d",MYK(bx)); if (getBMode(o)==OpArgU) printf(" %d",bx); break; case iAsBx: printf("%d %d",a,sbx); break; case iAx: printf("%d",MYK(ax)); break; } switch (o) { case OP_LOADK: printf("\t; "); PrintConstant(f,bx); break; case OP_GETUPVAL: case OP_SETUPVAL: printf("\t; %s",UPVALNAME(b)); break; case OP_GETTABUP: printf("\t; %s",UPVALNAME(b)); if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); } break; case OP_SETTABUP: printf("\t; %s",UPVALNAME(a)); if (ISK(b)) { printf(" "); PrintConstant(f,INDEXK(b)); } if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); } break; case OP_GETTABLE: case OP_SELF: if (ISK(c)) { printf("\t; "); PrintConstant(f,INDEXK(c)); } break; case OP_SETTABLE: case OP_ADD: case OP_SUB: case OP_MUL: case OP_POW: case OP_DIV: case OP_IDIV: case OP_BAND: case OP_BOR: case OP_BXOR: case OP_SHL: case OP_SHR: case OP_EQ: case OP_LT: case OP_LE: if (ISK(b) || ISK(c)) { printf("\t; "); if (ISK(b)) PrintConstant(f,INDEXK(b)); else printf("-"); printf(" "); if (ISK(c)) PrintConstant(f,INDEXK(c)); else printf("-"); } break; case OP_JMP: case OP_FORLOOP: case OP_FORPREP: case OP_TFORLOOP: printf("\t; to %d",sbx+pc+2); break; case OP_CLOSURE: printf("\t; %p",VOID(f->p[bx])); break; case OP_SETLIST: if (c==0) printf("\t; %d",(int)code[++pc]); else printf("\t; %d",c); break; case OP_EXTRAARG: printf("\t; "); PrintConstant(f,ax); break; default: break; } printf("\n"); }} #define SS(x) ((x==1)?"":"s")#define S(x) (int)(x),SS(x) static void PrintHeader(const Proto* f){ const char* s=f->source ? getstr(f->source) : "=?"; if (*s=='@' || *s=='=') s++; else if (*s==LUA_SIGNATURE[0]) s="(bstring)"; else s="(string)"; printf("\n%s <%s:%d,%d> (%d instruction%s at %p)\n", (f->linedefined==0)?"main":"function",s, f->linedefined,f->lastlinedefined, S(f->sizecode),VOID(f)); printf("%d%s param%s, %d slot%s, %d upvalue%s, ", (int)(f->numparams),f->is_vararg?"+":"",SS(f->numparams), S(f->maxstacksize),S(f->sizeupvalues)); printf("%d local%s, %d constant%s, %d function%s\n", S(f->sizelocvars),S(f->sizek),S(f->sizep));} static void PrintDebug(const Proto* f){ int i,n; n=f->sizek; printf("constants (%d) for %p:\n",n,VOID(f)); for (i=0; i<n; i++) { printf("\t%d\t",i+1); PrintConstant(f,i); printf("\n"); } n=f->sizelocvars; printf("locals (%d) for %p:\n",n,VOID(f)); for (i=0; i<n; i++) { printf("\t%d\t%s\t%d\t%d\n", i,getstr(f->locvars[i].varname),f->locvars[i].startpc+1,f->locvars[i].endpc+1); } n=f->sizeupvalues; printf("upvalues (%d) for %p:\n",n,VOID(f)); for (i=0; i<n; i++) { printf("\t%d\t%s\t%d\t%d\n", i,UPVALNAME(i),f->upvalues[i].instack,f->upvalues[i].idx); }} static void PrintFunction(const Proto* f, int full){ int i,n=f->sizep; PrintHeader(f); PrintCode(f); if (full) PrintDebug(f); for (i=0; i<n; i++) PrintFunction(f->p[i],full);}
/*
** $Id: luac.c,v 1.72 2015/01/06 03:09:13 lhf Exp $
** Lua compiler (saves bytecodes to files; also lists bytecodes)
** See Copyright Notice in lua.h
*/
#define luac_c
#define LUA_CORE
#include "lprefix.h"
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "lobject.h"
#include "lstate.h"
#include "lundump.h"
static void PrintFunction(const Proto* f, int full);
#define luaU_print PrintFunction
#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 '%s'\n",progname,message);
else
fprintf(stderr,"%s: %s\n",progname,message);
fprintf(stderr,
"usage: %s [options] [filenames]\n"
"Available options are:\n"
" -l list (use -l -l for full listing)\n"
" -o name output to file 'name' (default is \"%s\")\n"
" -p parse only\n"
" -s strip debug information\n"
" -v show version information\n"
" -- stop handling options\n"
" - stop handling options and process stdin\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 || (*output=='-' && output[1]!=0))
usage("'-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\n",LUA_COPYRIGHT);
if (version==argc-1) exit(EXIT_SUCCESS);
}
return i;
}
#define FUNCTION "(function()end)();"
static const char* reader(lua_State *L, void *ud, size_t *size)
{
UNUSED(L);
if ((*(int*)ud)--)
{
*size=sizeof(FUNCTION)-1;
return FUNCTION;
}
else
{
*size=0;
return NULL;
}
}
#define toproto(L,i) getproto(L->top+(i))
static const Proto* combine(lua_State* L, int n)
{
if (n==1)
return toproto(L,-1);
else
{
Proto* f;
int i=n;
if (lua_load(L,reader,&i,"=(" PROGNAME ")",NULL)!=LUA_OK) fatal(lua_tostring(L,-1));
f=toproto(L,-1);
for (i=0; i<n; i++)
{
f->p[i]=toproto(L,i-n-1);
if (f->p[i]->sizeupvalues>0) f->p[i]->upvalues[0].instack=0;
}
f->sizelineinfo=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);
}
static int pmain(lua_State* L)
{
int argc=(int)lua_tointeger(L,1);
char** argv=(char**)lua_touserdata(L,2);
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)!=LUA_OK) 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;
int i=doargs(argc,argv);
argc-=i; argv+=i;
if (argc<=0) usage("no input files given");
L=luaL_newstate();
if (L==NULL) fatal("cannot create state: not enough memory");
lua_pushcfunction(L,&pmain);
lua_pushinteger(L,argc);
lua_pushlightuserdata(L,argv);
if (lua_pcall(L,2,0,0)!=LUA_OK) fatal(lua_tostring(L,-1));
lua_close(L);
return EXIT_SUCCESS;
}
/*
** $Id: print.c,v 1.76 2015/01/05 16:12:50 lhf Exp $
** print bytecodes
** See Copyright Notice in lua.h
*/
#include <ctype.h>
#include <stdio.h>
#define luac_c
#define LUA_CORE
#include "ldebug.h"
#include "lobject.h"
#include "lopcodes.h"
#define VOID(p) ((const void*)(p))
static void PrintString(const TString* ts)
{
const char* s=getstr(ts);
size_t i,n=ts->len;
printf("%c",'"');
for (i=0; i<n; i++)
{
int c=(int)(unsigned char)s[i];
switch (c)
{
case '"': printf("\\\""); break;
case '\\': printf("\\\\"); break;
case '\a': printf("\\a"); break;
case '\b': printf("\\b"); break;
case '\f': printf("\\f"); break;
case '\n': printf("\\n"); break;
case '\r': printf("\\r"); break;
case '\t': printf("\\t"); break;
case '\v': printf("\\v"); break;
default: if (isprint(c))
printf("%c",c);
else
printf("\\%03d",c);
}
}
printf("%c",'"');
}
static void PrintConstant(const Proto* f, int i)
{
const TValue* o=&f->k[i];
switch (ttype(o))
{
case LUA_TNIL:
printf("nil");
break;
case LUA_TBOOLEAN:
printf(bvalue(o) ? "true" : "false");
break;
case LUA_TNUMFLT:
{
char buff[100];
sprintf(buff,LUA_NUMBER_FMT,fltvalue(o));
printf("%s",buff);
if (buff[strspn(buff,"-0123456789")]=='\0') printf(".0");
break;
}
case LUA_TNUMINT:
printf(LUA_INTEGER_FMT,ivalue(o));
break;
case LUA_TSHRSTR: case LUA_TLNGSTR:
PrintString(tsvalue(o));
break;
default: /* cannot happen */
printf("? type=%d",ttype(o));
break;
}
}
#define UPVALNAME(x) ((f->upvalues[x].name) ? getstr(f->upvalues[x].name) : "-")
#define MYK(x) (-1-(x))
static void PrintCode(const Proto* f)
{
const Instruction* code=f->code;
int pc,n=f->sizecode;
for (pc=0; pc<n; pc++)
{
Instruction i=code[pc];
OpCode o=GET_OPCODE(i);
int a=GETARG_A(i);
int b=GETARG_B(i);
int c=GETARG_C(i);
int ax=GETARG_Ax(i);
int bx=GETARG_Bx(i);
int sbx=GETARG_sBx(i);
int line=getfuncline(f,pc);
printf("\t%d\t",pc+1);
if (line>0) printf("[%d]\t",line); else printf("[-]\t");
printf("%-9s\t",luaP_opnames[o]);
switch (getOpMode(o))
{
case iABC:
printf("%d",a);
if (getBMode(o)!=OpArgN) printf(" %d",ISK(b) ? (MYK(INDEXK(b))) : b);
if (getCMode(o)!=OpArgN) printf(" %d",ISK(c) ? (MYK(INDEXK(c))) : c);
break;
case iABx:
printf("%d",a);
if (getBMode(o)==OpArgK) printf(" %d",MYK(bx));
if (getBMode(o)==OpArgU) printf(" %d",bx);
break;
case iAsBx:
printf("%d %d",a,sbx);
break;
case iAx:
printf("%d",MYK(ax));
break;
}
switch (o)
{
case OP_LOADK:
printf("\t; "); PrintConstant(f,bx);
break;
case OP_GETUPVAL:
case OP_SETUPVAL:
printf("\t; %s",UPVALNAME(b));
break;
case OP_GETTABUP:
printf("\t; %s",UPVALNAME(b));
if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); }
break;
case OP_SETTABUP:
printf("\t; %s",UPVALNAME(a));
if (ISK(b)) { printf(" "); PrintConstant(f,INDEXK(b)); }
if (ISK(c)) { printf(" "); PrintConstant(f,INDEXK(c)); }
break;
case OP_GETTABLE:
case OP_SELF:
if (ISK(c)) { printf("\t; "); PrintConstant(f,INDEXK(c)); }
break;
case OP_SETTABLE:
case OP_ADD:
case OP_SUB:
case OP_MUL:
case OP_POW:
case OP_DIV:
case OP_IDIV:
case OP_BAND:
case OP_BOR:
case OP_BXOR:
case OP_SHL:
case OP_SHR:
case OP_EQ:
case OP_LT:
case OP_LE:
if (ISK(b) || ISK(c))
{
printf("\t; ");
if (ISK(b)) PrintConstant(f,INDEXK(b)); else printf("-");
printf(" ");
if (ISK(c)) PrintConstant(f,INDEXK(c)); else printf("-");
}
break;
case OP_JMP:
case OP_FORLOOP:
case OP_FORPREP:
case OP_TFORLOOP:
printf("\t; to %d",sbx+pc+2);
break;
case OP_CLOSURE:
printf("\t; %p",VOID(f->p[bx]));
break;
case OP_SETLIST:
if (c==0) printf("\t; %d",(int)code[++pc]); else printf("\t; %d",c);
break;
case OP_EXTRAARG:
printf("\t; "); PrintConstant(f,ax);
break;
default:
break;
}
printf("\n");
}
}
#define SS(x) ((x==1)?"":"s")
#define S(x) (int)(x),SS(x)
static void PrintHeader(const Proto* f)
{
const char* s=f->source ? getstr(f->source) : "=?";
if (*s=='@' || *s=='=')
s++;
else if (*s==LUA_SIGNATURE[0])
s="(bstring)";
else
s="(string)";
printf("\n%s <%s:%d,%d> (%d instruction%s at %p)\n",
(f->linedefined==0)?"main":"function",s,
f->linedefined,f->lastlinedefined,
S(f->sizecode),VOID(f));
printf("%d%s param%s, %d slot%s, %d upvalue%s, ",
(int)(f->numparams),f->is_vararg?"+":"",SS(f->numparams),
S(f->maxstacksize),S(f->sizeupvalues));
printf("%d local%s, %d constant%s, %d function%s\n",
S(f->sizelocvars),S(f->sizek),S(f->sizep));
}
static void PrintDebug(const Proto* f)
{
int i,n;
n=f->sizek;
printf("constants (%d) for %p:\n",n,VOID(f));
for (i=0; i<n; i++)
{
printf("\t%d\t",i+1);
PrintConstant(f,i);
printf("\n");
}
n=f->sizelocvars;
printf("locals (%d) for %p:\n",n,VOID(f));
for (i=0; i<n; i++)
{
printf("\t%d\t%s\t%d\t%d\n",
i,getstr(f->locvars[i].varname),f->locvars[i].startpc+1,f->locvars[i].endpc+1);
}
n=f->sizeupvalues;
printf("upvalues (%d) for %p:\n",n,VOID(f));
for (i=0; i<n; i++)
{
printf("\t%d\t%s\t%d\t%d\n",
i,UPVALNAME(i),f->upvalues[i].instack,f->upvalues[i].idx);
}
}
static void PrintFunction(const Proto* f, int full)
{
int i,n=f->sizep;
PrintHeader(f);
PrintCode(f);
if (full) PrintDebug(f);
for (i=0; i<n; i++) PrintFunction(f->p[i],full);
}