LemonJS/parser_template/parser.y

%name Parser

%token_prefix TOKEN_

%left OR.
%left AND.
%right NOT.

%include {
    // include something
}

%code {
    var _result = {
        error: false
    };
    var LemonJS = function(_input) {
        _result = Object.create(null);
        var parser = new Parser();
        var lexer = new Lexer(_input);
        var token;
        var lexemes = [];
        while (token = lexer.next()) {
            switch(token.error){
                case 0:
                    console.log("PARSE", token.lexeme);
                    parser.parse(parser["TOKEN_" + token.lexeme], token);
                    lexemes.push(token);
                    break;
                case -2:
                    // end of search
                    // do nothing
                    break;
                case -1:
                    // empty string or not found any lexemes
                    // do nothing
                    break;
                case 1:
                    return {
                        success: false,
                        message: "Found unknown symbol on position",
                        error: 1,
                        token: token
                    };
                case 2:
                    return {
                        success: false,
                        message: "Not found close quote",
                        error: 2,
                        token: token
                    };
                case 3:
                    return {
                        success: false,
                        message: "Unexpected symbol in oid structure",
                        error: 3,
                        token: token
                    };
                case 4:
                    return {
                        success: false,
                        message: "Not found close bracket for Oid",
                        error: 3,
                        token: token
                    };
            }

            if(_result.error) {
                return {
                    success: false,
                    message: "Syntax error",
                    error: 0
                }
            }
        }
        parser.parse();
        if (_result.root_node !== undefined) {
            return {
                success: true,
                tree: _result.root_node,
                lexemes: lexemes
            };
        } else {
            return { success: false }
        }
    };
}

%syntax_error {
    _result.error = "true";
    console.log("Syntax error");
}

&&REPLACER{rules.y}&&