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fix(lib): fix segfault on ts_query_new with incompatible grammar version, close #1318

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This commit is contained in:
Andrew Hlynskyi 2021-09-03 12:49:42 +03:00
parent 0e26fbe5e6
commit 52e6c900c3
5 changed files with 72 additions and 38 deletions
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9
lib/src/query.c
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@ -2069,6 +2069,15 @@ TSQuery *ts_query_new(
uint32_t *error_offset,
TSQueryError *error_type
) {
if (
!language ||
language->version > TREE_SITTER_LANGUAGE_VERSION ||
language->version < TREE_SITTER_MIN_COMPATIBLE_LANGUAGE_VERSION
) {
*error_type = TSQueryErrorLanguage;
return NULL;
}
TSQuery *self = ts_malloc(sizeof(TSQuery));
*self = (TSQuery) {
.steps = array_new(),