108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
#include "./language.h"
|
|
#include "./subtree.h"
|
|
#include "./error_costs.h"
|
|
#include <string.h>
|
|
|
|
void ts_language_table_entry(const TSLanguage *self, TSStateId state,
|
|
TSSymbol symbol, TableEntry *result) {
|
|
if (symbol == ts_builtin_sym_error || symbol == ts_builtin_sym_error_repeat) {
|
|
result->action_count = 0;
|
|
result->is_reusable = false;
|
|
result->actions = NULL;
|
|
} else {
|
|
assert(symbol < self->token_count);
|
|
uint32_t action_index = ts_language_lookup(self, state, symbol);
|
|
const TSParseActionEntry *entry = &self->parse_actions[action_index];
|
|
result->action_count = entry->count;
|
|
result->is_reusable = entry->reusable;
|
|
result->actions = (const TSParseAction *)(entry + 1);
|
|
}
|
|
}
|
|
|
|
uint32_t ts_language_symbol_count(const TSLanguage *language) {
|
|
return language->symbol_count + language->alias_count;
|
|
}
|
|
|
|
uint32_t ts_language_version(const TSLanguage *language) {
|
|
return language->version;
|
|
}
|
|
|
|
TSSymbolMetadata ts_language_symbol_metadata(const TSLanguage *language, TSSymbol symbol) {
|
|
if (symbol == ts_builtin_sym_error) {
|
|
return (TSSymbolMetadata){.visible = true, .named = true};
|
|
} else if (symbol == ts_builtin_sym_error_repeat) {
|
|
return (TSSymbolMetadata){.visible = false, .named = false};
|
|
} else {
|
|
return language->symbol_metadata[symbol];
|
|
}
|
|
}
|
|
|
|
const char *ts_language_symbol_name(const TSLanguage *language, TSSymbol symbol) {
|
|
if (symbol == ts_builtin_sym_error) {
|
|
return "ERROR";
|
|
} else if (symbol == ts_builtin_sym_error_repeat) {
|
|
return "_ERROR";
|
|
} else {
|
|
return language->symbol_names[symbol];
|
|
}
|
|
}
|
|
|
|
TSSymbol ts_language_symbol_for_name(const TSLanguage *self, const char *name) {
|
|
if (!strcmp(name, "ERROR")) return ts_builtin_sym_error;
|
|
|
|
uint32_t count = ts_language_symbol_count(self);
|
|
for (TSSymbol i = 0; i < count; i++) {
|
|
if (!strcmp(self->symbol_names[i], name)) {
|
|
return i;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
TSSymbolType ts_language_symbol_type(const TSLanguage *language, TSSymbol symbol) {
|
|
TSSymbolMetadata metadata = ts_language_symbol_metadata(language, symbol);
|
|
if (metadata.named) {
|
|
return TSSymbolTypeRegular;
|
|
} else if (metadata.visible) {
|
|
return TSSymbolTypeAnonymous;
|
|
} else {
|
|
return TSSymbolTypeAuxiliary;
|
|
}
|
|
}
|
|
|
|
uint32_t ts_language_field_count(const TSLanguage *self) {
|
|
if (self->version >= TREE_SITTER_LANGUAGE_VERSION_WITH_FIELDS) {
|
|
return self->field_count;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
const char *ts_language_field_name_for_id(const TSLanguage *self, TSFieldId id) {
|
|
uint32_t count = ts_language_field_count(self);
|
|
if (count) {
|
|
return self->field_names[id];
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
TSFieldId ts_language_field_id_for_name(
|
|
const TSLanguage *self,
|
|
const char *name,
|
|
uint32_t name_length
|
|
) {
|
|
uint32_t count = ts_language_field_count(self);
|
|
for (TSSymbol i = 1; i < count + 1; i++) {
|
|
switch (strncmp(name, self->field_names[i], name_length)) {
|
|
case 0:
|
|
return i;
|
|
case -1:
|
|
return 0;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|