diff options
Diffstat (limited to 'src/predicate.cc')
| -rw-r--r-- | src/predicate.cc | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/src/predicate.cc b/src/predicate.cc index c3c3cba7..d5b41362 100644 --- a/src/predicate.cc +++ b/src/predicate.cc @@ -242,7 +242,39 @@ query_parser_t::parse_query_term(query_lexer_t::token_t::kind_t tok_context) case query_lexer_t::token_t::TERM: assert(tok.value); if (tok_context == query_lexer_t::token_t::TOK_META) { - assert(0); + node = new expr_t::op_t(expr_t::op_t::O_CALL); + + expr_t::ptr_op_t ident; + ident = new expr_t::op_t(expr_t::op_t::IDENT); + ident->set_ident("has_tag"); + node->set_left(ident); + + expr_t::ptr_op_t arg1; + arg1 = new expr_t::op_t(expr_t::op_t::VALUE); + arg1->set_value(mask_t(*tok.value)); + + tok = lexer.peek_token(); + if (tok.kind == query_lexer_t::token_t::TOK_EQ) { + tok = lexer.next_token(); + tok = lexer.next_token(); + if (tok.kind != query_lexer_t::token_t::TERM) + throw_(parse_error, + _("Metadata equality operator not followed by term")); + + expr_t::ptr_op_t cons; + cons = new expr_t::op_t(expr_t::op_t::O_CONS); + + expr_t::ptr_op_t arg2; + arg2 = new expr_t::op_t(expr_t::op_t::VALUE); + assert(tok.value); + arg2->set_value(mask_t(*tok.value)); + + cons->set_left(arg1); + cons->set_right(arg2); + node->set_right(cons); + } else { + node->set_right(arg1); + } } else { node = new expr_t::op_t(expr_t::op_t::O_MATCH); |