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/*
** Lua compiler (saves bytecodes to files; also list bytecodes)
** Highly hacked by Nicolas "Pixel" Noble to be transformed into a
** small form-factor LUA compiler.
** See Copyright Notice in lua.h
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "lfunc.h"
#include "lmem.h"
#include "lobject.h"
#include "lopcodes.h"
#include "lstring.h"
#include "lundump.h"
#include "ldo.h"
#ifndef PROGNAME
#define PROGNAME "luacomp" /* program name */
#endif
const char * progname = PROGNAME; /* actual program name */
#define toproto(L, i) (clvalue(L->top + (i))->l.p)
static Proto * combine(lua_State * L, int n) {
if (n == 1)
return toproto(L, -1);
else {
int i, pc = 0;
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;
}
}
#ifdef __cplusplus
extern "C" void luacmain(lua_State * L, int stripping, lua_Chunkwriter w, void *uD, int listing);
#endif
void luacmain(lua_State * L, int stripping, lua_Chunkwriter w, void *uD, int listing) {
Proto * f;
f = combine(L, lua_gettop(L));
if (listing)
luaU_print(f, listing > 1);
lua_lock(L);
luaU_dump(L, f, w, uD, stripping);
lua_unlock(L);
}
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