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Retrieve current lookahead state before it can be removed in reduce

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This commit is contained in:
Max Brunsfeld 2016-03-10 11:44:23 -08:00
parent a8774831e8
commit 288a164823
1 changed files with 1 additions and 1 deletions
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2
src/runtime/parser.c
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@ -373,6 +373,7 @@ static ReduceResult ts_parser__reduce(TSParser *self, int head, TSSymbol symbol,
int child_count, bool extra, bool fragile) {
TSSymbolMetadata metadata =
ts_language_symbol_metadata(self->language, symbol);
LookaheadState lookahead_state = *array_get(&self->lookahead_states, head);
StackPopResult pop = ts_stack_pop_count(self->stack, head, child_count);
if (!pop.slices.size)
goto error;
@ -418,7 +419,6 @@ static ReduceResult ts_parser__reduce(TSParser *self, int head, TSSymbol symbol,
}
LOG("split_during_reduce new_head:%d", new_head);
LookaheadState lookahead_state = *array_get(&self->lookahead_states, head);
if (!array_push(&self->lookahead_states, lookahead_state))
goto error;
}