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new API function lua_pushlocked & lua_checkstack is a macro

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This commit is contained in:
Waldemar Celes 1995-01-27 15:19:06 -02:00
parent f83db16cab
commit 8795aab83e
1 changed files with 23 additions and 16 deletions
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39
opcode.c
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@ -3,7 +3,7 @@
** TecCGraf - PUC-Rio
*/
char *rcs_opcode="$Id: opcode.c,v 3.30 1994/12/28 12:55:47 roberto Exp roberto $";
char *rcs_opcode="$Id: opcode.c,v 3.31 1994/12/30 17:45:11 roberto Exp celes $";
#include <setjmp.h>
#include <stdio.h>
@ -96,22 +96,21 @@ static void lua_initstack (void)
/*
** Check stack overflow and, if necessary, realloc vector
*/
static void lua_checkstack (StkId n)
#define lua_checkstack(n) if ((Long)(n) > maxstack) checkstack(n)
static void checkstack (StkId n)
{
if ((Long)n > maxstack)
{
StkId t;
if (stack == NULL)
lua_initstack();
if (maxstack >= MAX_INT)
lua_error("stack size overflow");
t = top-stack;
maxstack *= 2;
if (maxstack >= MAX_INT)
maxstack = MAX_INT;
stack = growvector(stack, maxstack, Object);
top = stack + t;
}
StkId t;
if (stack == NULL)
lua_initstack();
if (maxstack >= MAX_INT)
lua_error("stack size overflow");
t = top-stack;
maxstack *= 2;
if (maxstack >= MAX_INT)
maxstack = MAX_INT;
stack = growvector(stack, maxstack, Object);
top = stack + t;
}
@ -565,6 +564,14 @@ lua_Object lua_getlocked (int ref)
}
void lua_pushlocked (int ref)
{
lua_checkstack(top-stack+1);
*top = *luaI_getlocked(ref);
top++;
}
int lua_lock (void)
{
adjustC(1);