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new definition for luaD_call' and luaD_adjusttop'

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This commit is contained in:
Roberto Ierusalimschy 2001-06-08 16:01:38 -03:00
parent 4905fdd135
commit cbc59592ff
9 changed files with 94 additions and 95 deletions
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16
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 1.142 2001/06/05 18:17:01 roberto Exp roberto $
** $Id: lapi.c,v 1.143 2001/06/06 18:00:19 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -95,11 +95,13 @@ LUA_API int lua_gettop (lua_State *L) {
LUA_API void lua_settop (lua_State *L, int index) {
lua_lock(L);
if (index >= 0)
luaD_adjusttop(L, L->ci->base, index);
if (index >= 0) {
api_check(L, index <= L->stack_last - L->ci->base);
luaD_adjusttop(L, L->ci->base+index);
}
else {
api_check(L, -(index+1) <= (L->top - L->ci->base));
L->top = L->top+index+1; /* index is negative */
L->top += index+1; /* `subtract' index (index is negative) */
}
lua_unlock(L);
}
@ -545,9 +547,13 @@ LUA_API int lua_ref (lua_State *L, int lock) {
*/
LUA_API void lua_rawcall (lua_State *L, int nargs, int nresults) {
StkId func;
lua_lock(L);
api_checknelems(L, nargs+1);
luaD_call(L, L->top-(nargs+1), nresults);
func = L->top - (nargs+1);
luaD_call(L, func);
if (nresults != LUA_MULTRET)
luaD_adjusttop(L, func + nresults);
lua_unlock(L);
}