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Add ts_language_alias_at helper function

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This commit is contained in:
Max Brunsfeld 2020-06-15 09:58:07 -07:00
parent de53b82e2c
commit 6a46dff89a
4 changed files with 84 additions and 61 deletions
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8
lib/src/subtree.c
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@ -360,7 +360,7 @@ void ts_subtree_set_children(
self.ptr->has_external_tokens = false;
self.ptr->dynamic_precedence = 0;
uint32_t non_extra_index = 0;
uint32_t structural_index = 0;
const TSSymbol *alias_sequence = ts_language_alias_sequence(language, self.ptr->production_id);
uint32_t lookahead_end_byte = 0;
@ -387,9 +387,9 @@ void ts_subtree_set_children(
self.ptr->dynamic_precedence += ts_subtree_dynamic_precedence(child);
self.ptr->node_count += ts_subtree_node_count(child);
if (alias_sequence && alias_sequence[non_extra_index] != 0 && !ts_subtree_extra(child)) {
if (alias_sequence && alias_sequence[structural_index] != 0 && !ts_subtree_extra(child)) {
self.ptr->visible_child_count++;
if (ts_language_symbol_metadata(language, alias_sequence[non_extra_index]).named) {
if (ts_language_symbol_metadata(language, alias_sequence[structural_index]).named) {
self.ptr->named_child_count++;
}
} else if (ts_subtree_visible(child)) {
@ -407,7 +407,7 @@ void ts_subtree_set_children(
self.ptr->parse_state = TS_TREE_STATE_NONE;
}
if (!ts_subtree_extra(child)) non_extra_index++;
if (!ts_subtree_extra(child)) structural_index++;
}
self.ptr->lookahead_bytes = lookahead_end_byte - self.ptr->size.bytes - self.ptr->padding.bytes;