void ansi_c_convert_typet::read(const typet &type) { clear(); location = type.location(); read_rec(type); }
void cpp_typecheckt::typecheck_enum_type(typet &type) { // first save qualifiers c_qualifierst qualifiers; qualifiers.read(type); // these behave like special struct types // replace by type symbol cpp_enum_typet &enum_type=to_cpp_enum_type(type); bool anonymous=!enum_type.has_tag(); irep_idt base_name; if(anonymous) { // we fabricate a tag based on the enum constants contained base_name=enum_type.generate_anon_tag(); } else { const cpp_namet &tag=enum_type.tag(); if(tag.is_simple_name()) base_name=tag.get_base_name(); else { err_location(type); throw "enum tag is expected to be a simple name"; } } bool has_body=enum_type.has_body(); bool tag_only_declaration=enum_type.get_tag_only_declaration(); cpp_scopet &dest_scope= tag_scope(base_name, has_body, tag_only_declaration); const irep_idt symbol_name= dest_scope.prefix+"tag."+id2string(base_name); // check if we have it symbol_tablet::symbolst::iterator previous_symbol= symbol_table.symbols.find(symbol_name); if(previous_symbol!=symbol_table.symbols.end()) { // we do! symbolt &symbol=previous_symbol->second; if(has_body) { err_location(type); str << "error: enum symbol `" << base_name << "' declared previously" << std::endl; str << "location of previous definition: " << symbol.location << std::endl; throw 0; } } else if(has_body) { std::string pretty_name= cpp_scopes.current_scope().prefix+id2string(base_name); symbolt symbol; symbol.name=symbol_name; symbol.base_name=base_name; symbol.value.make_nil(); symbol.location=type.location(); symbol.mode=ID_cpp; symbol.module=module; symbol.type.swap(type); symbol.is_type=true; symbol.is_macro=false; symbol.pretty_name=pretty_name; // move early, must be visible before doing body symbolt *new_symbol; if(symbol_table.move(symbol, new_symbol)) throw "cpp_typecheckt::typecheck_enum_type: symbol_table.move() failed"; // put into scope cpp_idt &scope_identifier= cpp_scopes.put_into_scope(*new_symbol, dest_scope); scope_identifier.id_class=cpp_idt::CLASS; typecheck_enum_body(*new_symbol); } else { err_location(type); str << "use of enum `" << base_name << "' without previous declaration"; throw 0; } // create type symbol type=typet(ID_symbol); type.set(ID_identifier, symbol_name); qualifiers.write(type); }