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Clean up build_error_node function

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This commit is contained in:
Max Brunsfeld 2014-08-26 08:40:21 -07:00
parent 77941c85ff
commit 0470b34f2f
1 changed files with 7 additions and 11 deletions
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18
src/runtime/parser.c
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@ -49,21 +49,17 @@ static size_t breakdown_stack(TSParser *parser, TSInputEdit *edit) {
}
static TSTree *build_error_node(TSParser *parser) {
size_t expected_symbol_count = 0;
const TSParseAction *actions =
actions_for_state(parser->language, ts_stack_top_state(&parser->stack));
for (size_t i = 0; i < parser->language->symbol_count; i++)
if (actions[i].type != TSParseActionTypeError)
expected_symbol_count++;
TSStateId state = ts_stack_top_state(&parser->stack);
unsigned char lookahead = ts_lexer_lookahead_char(&parser->lexer);
TSSymbol *expected_symbols = malloc(parser->language->symbol_count * sizeof(TSSymbol *));
size_t n = 0;
TSSymbol *expected_symbols = malloc(expected_symbol_count * sizeof(TSSymbol *));
size_t count = 0;
const TSParseAction *actions = actions_for_state(parser->language, state);
for (TSSymbol i = 0; i < parser->language->symbol_count; i++)
if (actions[i].type != TSParseActionTypeError)
expected_symbols[n++] = i;
expected_symbols[count++] = i;
return ts_tree_make_error(ts_lexer_lookahead_char(&parser->lexer),
expected_symbol_count, expected_symbols, 0, 0);
return ts_tree_make_error(lookahead, count, expected_symbols, 0, 0);
}
static void shift(TSParser *parser, TSStateId parse_state) {