From d7f3e0c5d0b0af0dcb5f8168e1184f15a0554a4e Mon Sep 17 00:00:00 2001 From: graydon Date: Wed, 10 Aug 2005 03:15:21 +0000 Subject: 2005-08-09 Graydon Hoare * staptree.{cxx,h} (target_symbol): New struct. (*_visitor::visit_target_symbol): Support it. (visitor::active_lvalues) (visitor::is_active_lvalue) (visitor::push_active_lvalue) (visitor::pop_active_lvalue): Support lvalue-detection. (delete_statement::visit) (pre_crement::visit) (post_crement::visit) (assignment::visit): Push and pop lvalue expressions. * elaborate.{cxx,h} (lvalule_aware_traversing_visitor): Remove class. (no_map_mutation_during_iteration_check) (mutated_map_collector): Update lvalue logic. (typeresolution_info::visit_target_symbol): Add, throw error. * parse.{cxx,h} (tt2str) (tok_is) (parser::expect_*) (parser::peek_*): New helpers. (parser::parse_symbol): Rewrite, support target_symbols. * translate.cxx (c_unparser::visit_target_symbol): Implement. * tapsets.cxx (var_expanding_copy_visitor): Update lvalue logic, change visit_symbol to visit_target_symbol. --- parse.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'parse.h') diff --git a/parse.h b/parse.h index 7e5b90a4..316f8258 100644 --- a/parse.h +++ b/parse.h @@ -92,6 +92,17 @@ private: const token* last_t; // the last value returned by peek() or next() const token* next_t; // lookahead token + + // expectations + const token* expect_known (token_type tt, std::string const & expected); + const token* expect_unknown (token_type tt, std::string & target); + + // convenience forms + const token* expect_op (std::string const & expected); + const token* expect_kw (std::string const & expected); + const token* expect_ident (std::string & target); + bool peek_op (std::string const & op); + bool peek_kw (std::string const & kw); void print_error (const parse_error& pe); unsigned num_errors; -- cgit