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Allow queries with no patterns

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This commit is contained in:
Max Brunsfeld 2019-09-26 15:58:41 -07:00
parent c153711539
commit 4c17af3ecd
2 changed files with 11 additions and 3 deletions
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10
cli/src/tests/query_test.rs
View file

@ -1029,6 +1029,16 @@ fn test_query_capture_names() {
});
}
#[test]
fn test_query_with_no_patterns() {
allocations::record(|| {
let language = get_language("javascript");
let query = Query::new(language, "").unwrap();
assert!(query.capture_names().is_empty());
assert_eq!(query.pattern_count(), 0);
});
}
#[test]
fn test_query_comments() {
allocations::record(|| {

4
lib/src/query.c
View file

@ -789,7 +789,7 @@ TSQuery *ts_query_new(
Stream stream = stream_new(source, source_len);
stream_skip_whitespace(&stream);
uint32_t start_step_index;
for (;;) {
while (stream.input < stream.end) {
start_step_index = self->steps.size;
uint32_t capture_count = 0;
array_push(&self->start_bytes_by_pattern, stream.input - source);
@ -824,8 +824,6 @@ TSQuery *ts_query_new(
if (capture_count > self->max_capture_count) {
self->max_capture_count = capture_count;
}
if (stream.input == stream.end) break;
}
ts_query__finalize_steps(self);