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Cleanup debug logging in parser

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This commit is contained in:
Max Brunsfeld 2015-09-20 23:41:40 -07:00
parent 7be067a2e9
commit aba8af9e5b
3 changed files with 21 additions and 20 deletions
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36
src/runtime/parser.c
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@ -80,8 +80,8 @@ static void ts_parser__pop_reusable_subtree(TSParser *parser) {
* at the correct position in the parser's previous tree, use that. Otherwise,
* run the lexer.
*/
static void ts_parser__get_next_lookahead(TSParser *parser, bool error_mode) {
while (!error_mode && parser->reusable_subtree) {
static void ts_parser__get_next_lookahead(TSParser *parser) {
while (parser->reusable_subtree) {
if (parser->reusable_subtree_pos > parser->lexer.current_position.chars) {
break;
}
@ -96,10 +96,8 @@ static void ts_parser__get_next_lookahead(TSParser *parser, bool error_mode) {
ts_tree_is_fragile(parser->reusable_subtree) ||
ts_tree_is_extra(parser->reusable_subtree)) {
DEBUG("breakdown sym:%s", SYM_NAME(parser->reusable_subtree->symbol));
if (!ts_parser__breakdown_reusable_subtree(parser)) {
DEBUG("cant_reuse sym:%s", SYM_NAME(parser->reusable_subtree->symbol));
if (!ts_parser__breakdown_reusable_subtree(parser))
ts_parser__pop_reusable_subtree(parser);
}
continue;
}
@ -107,6 +105,7 @@ static void ts_parser__get_next_lookahead(TSParser *parser, bool error_mode) {
TSSymbol symbol = parser->reusable_subtree->symbol;
if (ts_language__action(parser->language, top_state, symbol).type ==
TSParseActionTypeError) {
DEBUG("cant_reuse sym:%s", SYM_NAME(parser->reusable_subtree->symbol));
ts_parser__pop_reusable_subtree(parser);
continue;
}
@ -121,11 +120,9 @@ static void ts_parser__get_next_lookahead(TSParser *parser, bool error_mode) {
return;
}
TSStateId lex_state =
error_mode
? ts_lex_state_error
: parser->language->lex_states[ts_stack_top_state(parser->stack, 0)];
TSStateId parse_state = ts_stack_top_state(parser->stack, 0);
TSStateId lex_state = parser->language->lex_states[parse_state];
DEBUG("lex state:%d", lex_state);
parser->lookahead = parser->language->lex_fn(&parser->lexer, lex_state);
}
@ -240,7 +237,8 @@ static bool ts_parser__handle_error(TSParser *parser, int head) {
*/
DEBUG("skip token:%s", SYM_NAME(parser->lookahead->symbol));
ts_parser__shift(parser, head, ts_stack_top_state(parser->stack, head));
ts_parser__get_next_lookahead(parser, true);
parser->lookahead =
parser->language->lex_fn(&parser->lexer, ts_lex_state_error);
error_token_count++;
/*
@ -302,16 +300,16 @@ static ParserNextResult ts_parser__next(TSParser *parser, int head_to_advance) {
TSParseAction action = *next_action;
head = next_head;
DEBUG("action state:%d, head:%d", state, head);
next_action++;
if (next_action->type == 0) {
next_action = NULL;
} else {
next_head = ts_stack_split(parser->stack, head);
DEBUG("split head:%d, created:%d", head, next_head);
DEBUG("split created_head:%d", next_head);
}
DEBUG("iteration state:%d, head:%d", state, head);
// TODO: Remove this by making a separate symbol for errors returned from
// the lexer.
if (parser->lookahead->symbol == ts_builtin_sym_error)
@ -344,7 +342,7 @@ static ParserNextResult ts_parser__next(TSParser *parser, int head_to_advance) {
break;
case TSParseActionTypeReduce:
DEBUG("reduce sym:%s, count:%u", SYM_NAME(action.data.symbol),
DEBUG("reduce sym:%s, child_count:%u", SYM_NAME(action.data.symbol),
action.data.child_count);
ts_parser__reduce(parser, head, action.data.symbol,
action.data.child_count, false, false);
@ -407,10 +405,12 @@ TSTree *ts_parser_parse(TSParser *parser, TSInput input, TSTree *previous_tree)
ts_parser__start(parser, input, previous_tree);
for (;;) {
ts_parser__get_next_lookahead(parser, false);
ts_parser__get_next_lookahead(parser);
DEBUG("lookahead sym:%s", SYM_NAME(parser->lookahead->symbol));
DEBUG("head_count: %d", ts_stack_head_count(parser->stack));
DEBUG("lookahead sym:%s, pos:%lu, head_count:%d",
SYM_NAME(parser->lookahead->symbol),
parser->lexer.current_position.chars,
ts_stack_head_count(parser->stack));
int head = 0;
while (head < ts_stack_head_count(parser->stack)) {