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Fix bug when reusing formerly extra trees as non-extra trees

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This commit is contained in:
Max Brunsfeld 2016-06-12 17:26:15 -07:00
parent e1c51556f2
commit ef2c3a10e3
1 changed files with 2 additions and 2 deletions
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4
src/runtime/parser.c
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@ -348,7 +348,7 @@ static bool ts_parser__push(TSParser *self, StackVersion version, TSTree *tree,
static bool ts_parser__shift(TSParser *self, StackVersion version,
TSStateId state, TSTree *lookahead, bool extra) {
if (extra) {
if (extra != lookahead->extra) {
TSSymbolMetadata metadata =
ts_language_symbol_metadata(self->language, lookahead->symbol);
if (metadata.structural && ts_stack_version_count(self->stack) > 1) {
@ -356,7 +356,7 @@ static bool ts_parser__shift(TSParser *self, StackVersion version,
} else {
ts_tree_retain(lookahead);
}
lookahead->extra = true;
lookahead->extra = extra;
} else {
ts_tree_retain(lookahead);
}