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path: root/src/libs/3rdparty/lua/src/luac.c
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-rw-r--r--src/libs/3rdparty/lua/src/luac.c723
1 files changed, 723 insertions, 0 deletions
diff --git a/src/libs/3rdparty/lua/src/luac.c b/src/libs/3rdparty/lua/src/luac.c
new file mode 100644
index 0000000000..5f4a141bdd
--- /dev/null
+++ b/src/libs/3rdparty/lua/src/luac.c
@@ -0,0 +1,723 @@
+/*
+** $Id: luac.c $
+** 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 "ldebug.h"
+#include "lobject.h"
+#include "lopcodes.h"
+#include "lopnames.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 TString **tmname;
+
+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)();\n"
+
+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(s2v(L->top.p+(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;
+ }
+ 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;
+ tmname=G(L)->tmname;
+ 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;
+}
+
+/*
+** print bytecodes
+*/
+
+#define UPVALNAME(x) ((f->upvalues[x].name) ? getstr(f->upvalues[x].name) : "-")
+#define VOID(p) ((const void*)(p))
+#define eventname(i) (getstr(tmname[i]))
+
+static void PrintString(const TString* ts)
+{
+ const char* s=getstr(ts);
+ size_t i,n=tsslen(ts);
+ printf("\"");
+ 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);
+ break;
+ }
+ }
+ printf("\"");
+}
+
+static void PrintType(const Proto* f, int i)
+{
+ const TValue* o=&f->k[i];
+ switch (ttypetag(o))
+ {
+ case LUA_VNIL:
+ printf("N");
+ break;
+ case LUA_VFALSE:
+ case LUA_VTRUE:
+ printf("B");
+ break;
+ case LUA_VNUMFLT:
+ printf("F");
+ break;
+ case LUA_VNUMINT:
+ printf("I");
+ break;
+ case LUA_VSHRSTR:
+ case LUA_VLNGSTR:
+ printf("S");
+ break;
+ default: /* cannot happen */
+ printf("?%d",ttypetag(o));
+ break;
+ }
+ printf("\t");
+}
+
+static void PrintConstant(const Proto* f, int i)
+{
+ const TValue* o=&f->k[i];
+ switch (ttypetag(o))
+ {
+ case LUA_VNIL:
+ printf("nil");
+ break;
+ case LUA_VFALSE:
+ printf("false");
+ break;
+ case LUA_VTRUE:
+ printf("true");
+ break;
+ case LUA_VNUMFLT:
+ {
+ char buff[100];
+ sprintf(buff,LUA_NUMBER_FMT,fltvalue(o));
+ printf("%s",buff);
+ if (buff[strspn(buff,"-0123456789")]=='\0') printf(".0");
+ break;
+ }
+ case LUA_VNUMINT:
+ printf(LUA_INTEGER_FMT,ivalue(o));
+ break;
+ case LUA_VSHRSTR:
+ case LUA_VLNGSTR:
+ PrintString(tsvalue(o));
+ break;
+ default: /* cannot happen */
+ printf("?%d",ttypetag(o));
+ break;
+ }
+}
+
+#define COMMENT "\t; "
+#define EXTRAARG GETARG_Ax(code[pc+1])
+#define EXTRAARGC (EXTRAARG*(MAXARG_C+1))
+#define ISK (isk ? "k" : "")
+
+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 sb=GETARG_sB(i);
+ int sc=GETARG_sC(i);
+ int sbx=GETARG_sBx(i);
+ int isk=GETARG_k(i);
+ int line=luaG_getfuncline(f,pc);
+ printf("\t%d\t",pc+1);
+ if (line>0) printf("[%d]\t",line); else printf("[-]\t");
+ printf("%-9s\t",opnames[o]);
+ switch (o)
+ {
+ case OP_MOVE:
+ printf("%d %d",a,b);
+ break;
+ case OP_LOADI:
+ printf("%d %d",a,sbx);
+ break;
+ case OP_LOADF:
+ printf("%d %d",a,sbx);
+ break;
+ case OP_LOADK:
+ printf("%d %d",a,bx);
+ printf(COMMENT); PrintConstant(f,bx);
+ break;
+ case OP_LOADKX:
+ printf("%d",a);
+ printf(COMMENT); PrintConstant(f,EXTRAARG);
+ break;
+ case OP_LOADFALSE:
+ printf("%d",a);
+ break;
+ case OP_LFALSESKIP:
+ printf("%d",a);
+ break;
+ case OP_LOADTRUE:
+ printf("%d",a);
+ break;
+ case OP_LOADNIL:
+ printf("%d %d",a,b);
+ printf(COMMENT "%d out",b+1);
+ break;
+ case OP_GETUPVAL:
+ printf("%d %d",a,b);
+ printf(COMMENT "%s",UPVALNAME(b));
+ break;
+ case OP_SETUPVAL:
+ printf("%d %d",a,b);
+ printf(COMMENT "%s",UPVALNAME(b));
+ break;
+ case OP_GETTABUP:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT "%s",UPVALNAME(b));
+ printf(" "); PrintConstant(f,c);
+ break;
+ case OP_GETTABLE:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_GETI:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_GETFIELD:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_SETTABUP:
+ printf("%d %d %d%s",a,b,c,ISK);
+ printf(COMMENT "%s",UPVALNAME(a));
+ printf(" "); PrintConstant(f,b);
+ if (isk) { printf(" "); PrintConstant(f,c); }
+ break;
+ case OP_SETTABLE:
+ printf("%d %d %d%s",a,b,c,ISK);
+ if (isk) { printf(COMMENT); PrintConstant(f,c); }
+ break;
+ case OP_SETI:
+ printf("%d %d %d%s",a,b,c,ISK);
+ if (isk) { printf(COMMENT); PrintConstant(f,c); }
+ break;
+ case OP_SETFIELD:
+ printf("%d %d %d%s",a,b,c,ISK);
+ printf(COMMENT); PrintConstant(f,b);
+ if (isk) { printf(" "); PrintConstant(f,c); }
+ break;
+ case OP_NEWTABLE:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT "%d",c+EXTRAARGC);
+ break;
+ case OP_SELF:
+ printf("%d %d %d%s",a,b,c,ISK);
+ if (isk) { printf(COMMENT); PrintConstant(f,c); }
+ break;
+ case OP_ADDI:
+ printf("%d %d %d",a,b,sc);
+ break;
+ case OP_ADDK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_SUBK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_MULK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_MODK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_POWK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_DIVK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_IDIVK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_BANDK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_BORK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_BXORK:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT); PrintConstant(f,c);
+ break;
+ case OP_SHRI:
+ printf("%d %d %d",a,b,sc);
+ break;
+ case OP_SHLI:
+ printf("%d %d %d",a,b,sc);
+ break;
+ case OP_ADD:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_SUB:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_MUL:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_MOD:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_POW:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_DIV:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_IDIV:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_BAND:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_BOR:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_BXOR:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_SHL:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_SHR:
+ printf("%d %d %d",a,b,c);
+ break;
+ case OP_MMBIN:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT "%s",eventname(c));
+ break;
+ case OP_MMBINI:
+ printf("%d %d %d %d",a,sb,c,isk);
+ printf(COMMENT "%s",eventname(c));
+ if (isk) printf(" flip");
+ break;
+ case OP_MMBINK:
+ printf("%d %d %d %d",a,b,c,isk);
+ printf(COMMENT "%s ",eventname(c)); PrintConstant(f,b);
+ if (isk) printf(" flip");
+ break;
+ case OP_UNM:
+ printf("%d %d",a,b);
+ break;
+ case OP_BNOT:
+ printf("%d %d",a,b);
+ break;
+ case OP_NOT:
+ printf("%d %d",a,b);
+ break;
+ case OP_LEN:
+ printf("%d %d",a,b);
+ break;
+ case OP_CONCAT:
+ printf("%d %d",a,b);
+ break;
+ case OP_CLOSE:
+ printf("%d",a);
+ break;
+ case OP_TBC:
+ printf("%d",a);
+ break;
+ case OP_JMP:
+ printf("%d",GETARG_sJ(i));
+ printf(COMMENT "to %d",GETARG_sJ(i)+pc+2);
+ break;
+ case OP_EQ:
+ printf("%d %d %d",a,b,isk);
+ break;
+ case OP_LT:
+ printf("%d %d %d",a,b,isk);
+ break;
+ case OP_LE:
+ printf("%d %d %d",a,b,isk);
+ break;
+ case OP_EQK:
+ printf("%d %d %d",a,b,isk);
+ printf(COMMENT); PrintConstant(f,b);
+ break;
+ case OP_EQI:
+ printf("%d %d %d",a,sb,isk);
+ break;
+ case OP_LTI:
+ printf("%d %d %d",a,sb,isk);
+ break;
+ case OP_LEI:
+ printf("%d %d %d",a,sb,isk);
+ break;
+ case OP_GTI:
+ printf("%d %d %d",a,sb,isk);
+ break;
+ case OP_GEI:
+ printf("%d %d %d",a,sb,isk);
+ break;
+ case OP_TEST:
+ printf("%d %d",a,isk);
+ break;
+ case OP_TESTSET:
+ printf("%d %d %d",a,b,isk);
+ break;
+ case OP_CALL:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT);
+ if (b==0) printf("all in "); else printf("%d in ",b-1);
+ if (c==0) printf("all out"); else printf("%d out",c-1);
+ break;
+ case OP_TAILCALL:
+ printf("%d %d %d%s",a,b,c,ISK);
+ printf(COMMENT "%d in",b-1);
+ break;
+ case OP_RETURN:
+ printf("%d %d %d%s",a,b,c,ISK);
+ printf(COMMENT);
+ if (b==0) printf("all out"); else printf("%d out",b-1);
+ break;
+ case OP_RETURN0:
+ break;
+ case OP_RETURN1:
+ printf("%d",a);
+ break;
+ case OP_FORLOOP:
+ printf("%d %d",a,bx);
+ printf(COMMENT "to %d",pc-bx+2);
+ break;
+ case OP_FORPREP:
+ printf("%d %d",a,bx);
+ printf(COMMENT "exit to %d",pc+bx+3);
+ break;
+ case OP_TFORPREP:
+ printf("%d %d",a,bx);
+ printf(COMMENT "to %d",pc+bx+2);
+ break;
+ case OP_TFORCALL:
+ printf("%d %d",a,c);
+ break;
+ case OP_TFORLOOP:
+ printf("%d %d",a,bx);
+ printf(COMMENT "to %d",pc-bx+2);
+ break;
+ case OP_SETLIST:
+ printf("%d %d %d",a,b,c);
+ if (isk) printf(COMMENT "%d",c+EXTRAARGC);
+ break;
+ case OP_CLOSURE:
+ printf("%d %d",a,bx);
+ printf(COMMENT "%p",VOID(f->p[bx]));
+ break;
+ case OP_VARARG:
+ printf("%d %d",a,c);
+ printf(COMMENT);
+ if (c==0) printf("all out"); else printf("%d out",c-1);
+ break;
+ case OP_VARARGPREP:
+ printf("%d",a);
+ break;
+ case OP_EXTRAARG:
+ printf("%d",ax);
+ break;
+#if 0
+ default:
+ printf("%d %d %d",a,b,c);
+ printf(COMMENT "not handled");
+ break;
+#endif
+ }
+ 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);
+ PrintType(f,i);
+ 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 00:39:56 +0000