diff options
Diffstat (limited to 'src/lexer/ast.cc')
| -rw-r--r-- | src/lexer/ast.cc | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/src/lexer/ast.cc b/src/lexer/ast.cc index 72ad016..55b4c42 100644 --- a/src/lexer/ast.cc +++ b/src/lexer/ast.cc @@ -40,7 +40,7 @@ int T_lexer::get_pivot_order(enum_token_type x) string s = symbol_enum2string(x); if (s != "") { - return symbol_property[s].pivot_priority; + return symbol_property.at(s).pivot_priority; } // not found return -1; @@ -48,16 +48,10 @@ int T_lexer::get_pivot_order(enum_token_type x) bool T_lexer::is_operator(enum_token_type x) { - switch(x) - { - case LOGIC_AND: - case LOGIC_OR: - case PIPE: - case ASYNC: - return true; - default: - return false; - } + string s = symbol_enum2string(x); + if (s != "") + return (symbol_property.at(s).pivot_priority >= 0) ? true : false; + return false; } // region [begin, end) @@ -109,32 +103,32 @@ void T_lexer::parse(size_t cmd_begin, size_t cmd_end, size_t ast_vec) string token_str = symbol_enum2string(token[found_pos].token_type); // miss left - if (symbol_property[token_str].left == child_existence_type::EXIST && cmd_begin == found_pos) + if (symbol_property.at(token_str).left == child_existence_type::EXIST && cmd_begin == found_pos) throw T_error{error_code::AST_MISS_LEFT_CHILD, "parse: missing left child"}; // miss right - if (symbol_property[token_str].right == child_existence_type::EXIST && cmd_end-1 == found_pos) + if (symbol_property.at(token_str).right == child_existence_type::EXIST && cmd_end-1 == found_pos) throw T_error{error_code::AST_MISS_RIGHT_CHILD, "parse: missing right child"}; // should not exist left - if (symbol_property[token_str].left == child_existence_type::NOT_EXIST && cmd_begin != found_pos) + if (symbol_property.at(token_str).left == child_existence_type::NOT_EXIST && cmd_begin != found_pos) throw T_error{error_code::AST_EXIST_LEFT_CHILLD, "parse: left child should NOT exist"}; // should not exist right - if (symbol_property[token_str].right == child_existence_type::NOT_EXIST && cmd_end-1 != found_pos) + if (symbol_property.at(token_str).right == child_existence_type::NOT_EXIST && cmd_end-1 != found_pos) throw T_error{error_code::AST_EXIST_LEFT_CHILLD, "parse: right child should NOT exist"}; ast[ast_vec].token_type = token[found_pos].token_type; loggerln("Parse sub: {}, {}, {}", cmd_begin, found_pos, cmd_end); - if (symbol_property[token_str].left == child_existence_type::EXIST - || symbol_property[token_str].left == child_existence_type::OPTIONAL) + if (symbol_property.at(token_str).left == child_existence_type::EXIST + || symbol_property.at(token_str).left == child_existence_type::OPTIONAL) { size_t l = alloc_ast(); ast[ast_vec].left = l; parse(cmd_begin, found_pos, l); } - if (symbol_property[token_str].left == child_existence_type::EXIST - || symbol_property[token_str].left == child_existence_type::OPTIONAL) + if (symbol_property.at(token_str).right == child_existence_type::EXIST + || symbol_property.at(token_str).right == child_existence_type::OPTIONAL) { size_t r = alloc_ast(); ast[ast_vec].right = r; |