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Use a separate type for storing field map headers

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This commit is contained in:
Max Brunsfeld 2019-02-08 16:06:29 -08:00
parent 51a9f14f7d
commit d8a2c0dda2
5 changed files with 50 additions and 31 deletions
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16
lib/src/language.h
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@ -90,18 +90,12 @@ ts_language_alias_sequence(const TSLanguage *self, uint32_t child_info_id) {
static inline void ts_language_field_map(
const TSLanguage *self,
uint32_t child_info_id,
const TSFieldMapping **start,
const TSFieldMapping **end
const TSFieldMapEntry **start,
const TSFieldMapEntry **end
) {
// To find the field mappings for a given child info id, first index
// into the field map using the child info id directly. This 'header'
// row contains two values:
// * the index where the field mappings start
// * the number of field mappings.
const TSFieldMapping *field_map = self->field_map;
TSFieldMapping header = field_map[child_info_id];
*start = &field_map[header.field_id];
*end = &field_map[header.field_id] + header.child_index;
TSFieldMapSlice slice = self->field_map_slices[child_info_id];
*start = &self->field_map_entries[slice.index];
*end = &self->field_map_entries[slice.index] + slice.length;
}
#ifdef __cplusplus