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out-of-memory handling in LL(k), LR, and GLR backends

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This commit is contained in:
Sven M. Hallberg 2015-11-30 18:07:33 +01:00
parent 5996477a5e
commit d5f3e13309
3 changed files with 31 additions and 0 deletions
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11
src/backends/llk.c
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@ -561,6 +561,17 @@ HParseResult *h_llk_parse(HAllocator* mm__, const HParser* parser, HInputStream*
{
HLLkState *s = llk_parse_start_(mm__, parser);
// out-of-memory handling
jmp_buf except;
h_arena_set_except(s->arena, &except);
h_arena_set_except(s->tarena, &except);
if(setjmp(except)) {
h_delete_arena(s->arena);
h_delete_arena(s->tarena);
h_free(s);
return NULL;
}
assert(stream->last_chunk);
s->seq = llk_parse_chunk_(s, parser, stream);