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🎨 Extract parser__halt_parse function

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This commit is contained in:
Max Brunsfeld 2017-05-01 14:41:55 -07:00
parent 74f5ceddf7
commit e8a9bb7a51
1 changed files with 25 additions and 21 deletions
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46
src/runtime/parser.c
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@ -991,6 +991,30 @@ static void parser__handle_error(Parser *self, StackVersion version,
}
}
static void parser__halt_parse(Parser *self) {
LOG("halting_parse");
LOG_STACK();
ts_lexer_advance_to_end(&self->lexer);
Length remaining_length = length_sub(
self->lexer.current_position,
ts_stack_top_position(self->stack, 0)
);
Tree *filler_node = ts_tree_make_error(remaining_length, length_zero(), 0);
filler_node->visible = false;
parser__push(self, 0, filler_node, 0);
TreeArray children = array_new();
Tree *root_error = ts_tree_make_error_node(&children);
parser__push(self, 0, root_error, 0);
TSSymbolMetadata metadata = ts_language_symbol_metadata(self->language, ts_builtin_sym_end);
Tree *eof = ts_tree_make_leaf(ts_builtin_sym_end, length_zero(), length_zero(), metadata);
parser__accept(self, 0, eof);
ts_tree_release(eof);
}
static void parser__recover(Parser *self, StackVersion version, TSStateId state,
Tree *lookahead) {
if (lookahead->symbol == ts_builtin_sym_end) {
@ -1227,27 +1251,7 @@ Tree *parser_parse(Parser *self, TSInput input, Tree *old_tree, bool halt_on_err
CondenseResult condense_result = parser__condense_stack(self);
if (halt_on_error && (condense_result & CondenseResultAllVersionsHadError)) {
LOG("halting_parse");
LOG_STACK();
ts_lexer_advance_to_end(&self->lexer);
Length remaining_length = length_sub(
self->lexer.current_position,
ts_stack_top_position(self->stack, 0)
);
Tree *filler_node = ts_tree_make_error(remaining_length, length_zero(), 0);
filler_node->visible = false;
parser__push(self, 0, filler_node, 0);
TreeArray children = array_new();
Tree *root_error = ts_tree_make_error_node(&children);
parser__push(self, 0, root_error, 0);
TSSymbolMetadata metadata = ts_language_symbol_metadata(self->language, ts_builtin_sym_end);
Tree *eof = ts_tree_make_leaf(ts_builtin_sym_end, length_zero(), length_zero(), metadata);
parser__accept(self, 0, eof);
ts_tree_release(eof);
parser__halt_parse(self);
break;
}