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authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2002-11-21 15:19:11 -0200
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2002-11-21 15:19:11 -0200
commit5142e630bf91e2353f4397e03593ab56b3a07b86 (patch)
tree1402e556c77f5c45e956ea6cd3192cffaf2e28d1 /ldo.h
parent010bbd9d9c8c6e7d38062df79e886466de5a835a (diff)
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new macro `condhardstacktests' to control hard stack tests
Diffstat (limited to 'ldo.h')
-rw-r--r--ldo.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/ldo.h b/ldo.h
index d2787b29..36b48e71 100644
--- a/ldo.h
+++ b/ldo.h
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: ldo.h,v 1.52 2002/09/02 20:00:41 roberto Exp roberto $ 2** $Id: ldo.h,v 1.53 2002/11/21 16:46:16 roberto Exp roberto $
3** Stack and Call structure of Lua 3** Stack and Call structure of Lua
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -13,10 +13,21 @@
13#include "lzio.h" 13#include "lzio.h"
14 14
15 15
16/*
17** macro to control inclusion of some hard tests on stack reallocation
18*/
19#ifndef CONDHARDSTACKTESTS
20#define condhardstacktests(x) { /* empty */ }
21#else
22#define condhardstacktests(x) x
23#endif
24
16 25
17#define luaD_checkstack(L,n) \ 26#define luaD_checkstack(L,n) \
18 if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TObject)) \ 27 if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TObject)) \
19 luaD_growstack(L, n) 28 luaD_growstack(L, n); \
29 else condhardstacktests(luaD_reallocstack(L, L->stacksize));
30
20 31
21#define incr_top(L) {luaD_checkstack(L,1); L->top++;} 32#define incr_top(L) {luaD_checkstack(L,1); L->top++;}
22 33