Ejemplo n.º 1
0
static void close_func (LexState *ls) {
  lua_State *L = ls->L;
  FuncState *fs = ls->fs;
  Proto *f = fs->f;
  removevars(ls, 0);
  luaK_codeABC(fs, OP_RETURN, 0, 1, 0);  /* final return */
  luaM_setname(L, "Lua_parser_code");
  luaM_reallocvector(L, f->code, f->sizecode, fs->pc, Instruction);
  f->sizecode = fs->pc;
  luaM_setname(L, "Lua_parser_lineinfo");
  luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, int);
  f->sizelineinfo = fs->pc;
  luaM_setname(L, "Lua_parser_constants");
  luaM_reallocvector(L, f->k, f->sizek, fs->nk, TObject);
  f->sizek = fs->nk;
  luaM_setname(L, "Lua_parser_proto");
  luaM_reallocvector(L, f->p, f->sizep, fs->np, Proto *);
  f->sizep = fs->np;
  luaM_setname(L, "Lua_parser_locals");
  luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars, LocVar);
  f->sizelocvars = fs->nlocvars;
  luaM_setname(L, "Lua_parser_upvalues");
  luaM_reallocvector(L, f->upvalues, f->sizeupvalues, f->nups, TString *);
  f->sizeupvalues = f->nups;
  lua_assert(luaG_checkcode(f));
  lua_assert(fs->bl == NULL);
  ls->fs = fs->prev;
#if LUA_REFCOUNT
  __ReleaseDirect(L, (GCObject*)fs->h);
#endif LUA_REFCOUNT
}
Ejemplo n.º 2
0
static void close_func (LexState *ls) {
  lua_State *L = ls->L;
  FuncState *fs = ls->fs;
  Proto *f = fs->f;
  removevars(ls, 0);
  luaK_ret(fs, 0, 0);  /* final return */
  luaM_reallocvector(L, f->code, f->sizecode, fs->pc, Instruction);
  f->sizecode = fs->pc;
  luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, int);
  f->sizelineinfo = fs->pc;
  luaM_reallocvector(L, f->k, f->sizek, fs->nk, TValue);
  f->sizek = fs->nk;
  luaM_reallocvector(L, f->p, f->sizep, fs->np, Proto *);
  f->sizep = fs->np;
  luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars, LocVar);
  f->sizelocvars = fs->nlocvars;
  luaM_reallocvector(L, f->upvalues, f->sizeupvalues, f->nups, TString *);
  f->sizeupvalues = f->nups;
  lua_assert(luaG_checkcode(f));
  lua_assert(fs->bl == NULL);
  ls->fs = fs->prev;
  L->top -= 2;  /* remove table and prototype from the stack */
  /* last token read was anchored in defunct function; must reanchor it */
  if (fs) anchor_token(ls);
}
Ejemplo n.º 3
0
static Proto * LoadFunction(LoadState * S, TString * p)
{
	Proto* f;

	if(++S->L->nCcalls > LUAI_MAXCCALLS)
		error(S,"code too deep");

	f=luaF_newproto(S->L);
	setptvalue2s(S->L,S->L->top,f); incr_top(S->L);

	f->source=LoadString(S);
	if(f->source==NULL)
		f->source=p;
	f->linedefined=LoadInt(S);
	f->lastlinedefined=LoadInt(S);
	f->nups=LoadByte(S);
	f->numparams=LoadByte(S);
	f->is_vararg=LoadByte(S);
	f->maxstacksize=LoadByte(S);
	LoadCode(S,f);
	LoadConstants(S,f);
	LoadDebug(S,f);
	IF (!luaG_checkcode(f), "bad code");
	S->L->top--;
	S->L->nCcalls--;
	return f;
}
Ejemplo n.º 4
0
static void close_func (LexState *ls) {
  lua_State *L = ls->L;
  FuncState *fs = ls->fs;
  Proto *f = fs->f;
  removevars(ls, 0);
  luaK_ret(fs, 0, 0);  /* final return */
#if LUA_MEMORY_STATS
  luaM_setname(L, "lua.parser.code");
#endif /* LUA_MEMORY_STATS */
  luaM_reallocvector(L, f->code, f->sizecode, fs->pc, Instruction);
  f->sizecode = fs->pc;
#if LUA_MEMORY_STATS
  luaM_setname(L, "lua.parser.lineinfo");
#endif /* LUA_MEMORY_STATS */
  luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, int);
  f->sizelineinfo = fs->pc;
#if LUA_MEMORY_STATS
  luaM_setname(L, "lua.parser.constants");
#endif /* LUA_MEMORY_STATS */
  luaM_reallocvector(L, f->k, f->sizek, fs->nk, TValue);
  f->sizek = fs->nk;
#if LUA_MEMORY_STATS
  luaM_setname(L, "lua.parser.proto");
#endif /* LUA_MEMORY_STATS */
  luaM_reallocvector(L, f->p, f->sizep, fs->np, Proto *);
  f->sizep = fs->np;
#if LUA_MEMORY_STATS
  luaM_setname(L, "lua.parser.locals");
#endif /* LUA_MEMORY_STATS */
  luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars, LocVar);
  f->sizelocvars = fs->nlocvars;
#if LUA_MEMORY_STATS
  luaM_setname(L, "lua.parser.upvalues");
#endif /* LUA_MEMORY_STATS */
  luaM_reallocvector(L, f->upvalues, f->sizeupvalues, f->nups, TString *);
#if LUA_MEMORY_STATS
  luaM_setname(L, 0);
#endif /* LUA_MEMORY_STATS */
  f->sizeupvalues = f->nups;
  lua_assert(luaG_checkcode(f));
  lua_assert(fs->bl == NULL);
  ls->fs = fs->prev;
  L->top -= 2;  /* remove table and prototype from the stack */
  /* last token read was anchored in defunct function; must reanchor it */
  if (fs) anchor_token(ls);
#if LUA_REFCOUNT
  setnilvalue(L->top + 1);
  setnilvalue(L->top);
  luarc_releasetable(L, fs->h);
#endif /* LUA_REFCOUNT */
}
Ejemplo n.º 5
0
Archivo: lgc.c Proyecto: gitrider/wxsj2
static void traverseproto (GCState *st, Proto *f) {
  int i;
  stringmark(f->source);
  for (i=0; i<f->sizek; i++) {  /* mark literal strings */
    if (ttisstring(f->k+i) || ttiswstring(f->k+i))
      stringmark(tsvalue(f->k+i));
  }
  for (i=0; i<f->sizeupvalues; i++)  /* mark upvalue names */
    stringmark(f->upvalues[i]);
  for (i=0; i<f->sizep; i++)  /* mark nested protos */
    markvalue(st, f->p[i]);
  for (i=0; i<f->sizelocvars; i++)  /* mark local-variable names */
    stringmark(f->locvars[i].varname);
  lua_assert(luaG_checkcode(f));
}
Ejemplo n.º 6
0
static Proto* LoadFunction (LoadState* S, TString* p)
{
 Proto* f=luaF_newproto(S->L);
 f->source=LoadString(S); if (f->source==NULL) f->source=p;
 f->lineDefined=LoadInt(S);
 f->nups=LoadByte(S);
 f->numparams=LoadByte(S);
 f->is_vararg=LoadByte(S);
 f->maxstacksize=LoadByte(S);
 LoadLines(S,f);
 LoadLocals(S,f);
 LoadUpvalues(S,f);
 LoadConstants(S,f);
 LoadCode(S,f);
#ifndef TRUST_BINARIES
 if (!luaG_checkcode(f)) luaG_runerror(S->L,"bad code in %s",S->name);
#endif
 return f;
}
Ejemplo n.º 7
0
static Proto* LoadFunction(LoadState* S, TString* p)
{
 Proto* f=luaF_newproto(S->L);
 setptvalue2s(S->L,S->L->top,f); incr_top(S->L);
 f->source=LoadString(S); if (f->source==NULL) f->source=p;
 f->linedefined=LoadInt(S);
 f->lastlinedefined=LoadInt(S);
 f->nups=LoadByte(S);
 f->numparams=LoadByte(S);
 f->is_vararg=LoadByte(S);
 f->maxstacksize=LoadByte(S);
 LoadLines(S,f);
 LoadLocals(S,f);
 LoadUpvalues(S,f);
 LoadConstants(S,f);
 LoadCode(S,f);
 IF (!luaG_checkcode(f), "bad code");
 S->L->top--;
 return f;
}
Ejemplo n.º 8
0
static void close_func (LexState *ls) {
  lua_State *L = ls->L;
  FuncState *fs = ls->fs;
  Proto *f = fs->f;
  removevars(ls, 0);
  luaK_codeABC(fs, OP_RETURN, 0, 1, 0);  /* final return */
  luaM_reallocvector(L, f->code, f->sizecode, fs->pc, Instruction);
  f->sizecode = fs->pc;
  luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc, int);
  f->sizelineinfo = fs->pc;
  luaM_reallocvector(L, f->k, f->sizek, fs->nk, TObject);
  f->sizek = fs->nk;
  luaM_reallocvector(L, f->p, f->sizep, fs->np, Proto *);
  f->sizep = fs->np;
  luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars, LocVar);
  f->sizelocvars = fs->nlocvars;
  luaM_reallocvector(L, f->upvalues, f->sizeupvalues, f->nups, TString *);
  f->sizeupvalues = f->nups;
  lua_assert(luaG_checkcode(f));
  lua_assert(fs->bl == NULL);
  ls->fs = fs->prev;
}
Ejemplo n.º 9
0
static void close_func (LexState *ls)
{
    lua_State *L = ls->L;
    FuncState *fs = (FuncState*)ls->fsList.GetFirst();
    Proto *f = fs->f;

    removevars(ls, 0);
    luaK_ret(fs, 0, 0);  /* final return */
    luaM_reallocvector(L, f->code, f->sizecode, fs->pc);
    f->sizecode = fs->pc;
    luaM_reallocvector(L, f->lineinfo, f->sizelineinfo, fs->pc);
    f->sizelineinfo = fs->pc;
    luaM_reallocvector(L, f->k, f->sizek, fs->nk);
    f->sizek = fs->nk;
    luaM_reallocvector(L, f->p, f->sizep, fs->np);
    f->sizep = fs->np;
    luaM_reallocvector(L, f->locvars, f->sizelocvars, fs->nlocvars);
    f->sizelocvars = fs->nlocvars;
    luaM_reallocvector(L, f->upvalues, f->sizeupvalues, f->nups);
    f->sizeupvalues = f->nups;
    lua_assert(luaG_checkcode(f) == true);
    lua_assert(fs->blockList.IsEmpty() == true);
    
    // Remove this function state from existence.
    ls->fsList.RemoveFirst();

    // Dereference the table again.
    // We keep the reference on the proto, because it is the result object.
    fs->h->DereferenceGC( L );

    /* last token read was anchored in defunct function; must reanchor it */
    if ( fs )
    {
        anchor_token(ls);
    }
}