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* 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.
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1 changed files with 20 additions and 0 deletions
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@ -44,6 +44,26 @@ static Pos makeCurPos(YYLTYPE * loc, void * data)
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#define CUR_POS makeCurPos(yylocp, data)
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/* Make sure that the parse stack is scanned by the ATerm garbage
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collector. */
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static void * mallocAndProtect(size_t size)
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{
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void * p = malloc(size);
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if (p) ATprotectMemory(p, size);
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return p;
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}
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static void freeAndUnprotect(void * p)
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{
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ATunprotectMemory(p);
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free(p);
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}
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#define YYMALLOC mallocAndProtect
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#define YYFREE freeAndUnprotect
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%}
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%union {
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