* Override YYMALLOC and YYFREE so that we can call AT[un]protectMemory

on the Bison parse stack.  Otherwise, a garbage collect during
  parsing could lead to a crash.
This commit is contained in:
Eelco Dolstra 2006-02-13 13:09:23 +00:00
parent 0ca0a4da9f
commit 2d2e28d02c

View file

@ -44,6 +44,26 @@ static Pos makeCurPos(YYLTYPE * loc, void * data)
#define CUR_POS makeCurPos(yylocp, data)
/* Make sure that the parse stack is scanned by the ATerm garbage
collector. */
static void * mallocAndProtect(size_t size)
{
void * p = malloc(size);
if (p) ATprotectMemory(p, size);
return p;
}
static void freeAndUnprotect(void * p)
{
ATunprotectMemory(p);
free(p);
}
#define YYMALLOC mallocAndProtect
#define YYFREE freeAndUnprotect
%}
%union {