numenor/lib/ExpressionParser.js

Customizable, safe evaluator of JavaScript-like expressions.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ExpressionParser = void 0;

var _Parser2 = require("./Parser");

var _Lexer = require("./Lexer");

var _Value = require("./Parser/Parselet/Value");

var _Assignment = require("./Parser/Parselet/Assignment");

var _BinaryOperator = require("./Parser/Parselet/BinaryOperator");

var Precedence = _interopRequireWildcard(require("./Parser/Precedence"));

var _Sequence = require("./Parser/Parselet/Sequence");

var _Conditional = require("./Parser/Parselet/Conditional");

var _UnaryOperator = require("./Parser/Parselet/UnaryOperator");

var _MemberAccess = require("./Parser/Parselet/MemberAccess");

var _Call = require("./Parser/Parselet/Call");

var _Group = require("./Parser/Parselet/Group");

var _ArrayLiteral = require("./Parser/Parselet/ArrayLiteral");

var _ObjectLiteral = require("./Parser/Parselet/ObjectLiteral");

var _Await = require("./Parser/Parselet/Await");

var _Lambda = require("./Parser/Parselet/Lambda");

var _Spread = require("./Parser/Parselet/Spread");

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var ExpressionParser =
/*#__PURE__*/
function (_Parser) {
  _inherits(ExpressionParser, _Parser);

  function ExpressionParser(lexer) {
    var _this;

    _classCallCheck(this, ExpressionParser);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(ExpressionParser).call(this, lexer));

    _this.ignore(_Lexer.TokenType.Whitespace);

    _this.ignore(_Lexer.TokenType.LineTerminator);

    _this.setInfix(_Lexer.TokenType.Comma, _Sequence.Sequence);

    _this.setInfix(_Lexer.TokenType.Eq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Eq));

    _this.setInfix(_Lexer.TokenType.PlusEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Plus));

    _this.setInfix(_Lexer.TokenType.MinusEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Minus));

    _this.setInfix(_Lexer.TokenType.StarEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Star));

    _this.setInfix(_Lexer.TokenType.StarStarEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.StarStar));

    _this.setInfix(_Lexer.TokenType.SlashEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Slash));

    _this.setInfix(_Lexer.TokenType.PercentEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Percent));

    _this.setInfix(_Lexer.TokenType.AmpEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Amp));

    _this.setInfix(_Lexer.TokenType.PipeEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Pipe));

    _this.setInfix(_Lexer.TokenType.CaretEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Caret));

    _this.setInfix(_Lexer.TokenType.TildeEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.Tilde));

    _this.setInfix(_Lexer.TokenType.QuestionQuestionEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.QuestionQuestion));

    _this.setInfix(_Lexer.TokenType.LtLtEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.LtLt));

    _this.setInfix(_Lexer.TokenType.GtGtEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.GtGt));

    _this.setInfix(_Lexer.TokenType.GtGtGtEq, (0, _Assignment.makeAssignmentParselet)(_Lexer.TokenType.GtGtGt));

    _this.setInfix(_Lexer.TokenType.Question, _Conditional.Conditional);

    _this.setInfix(_Lexer.TokenType.QuestionQuestion, _Conditional.NullCoalesce);

    _this.setInfix(_Lexer.TokenType.PipePipe, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.PipePipe, Precedence.LogicalOr));

    _this.setInfix(_Lexer.TokenType.AmpAmp, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.AmpAmp, Precedence.LogicalAnd));

    _this.setInfix(_Lexer.TokenType.Pipe, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Pipe, Precedence.BitwiseOr));

    _this.setInfix(_Lexer.TokenType.Caret, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Caret, Precedence.BitwiseXor));

    _this.setInfix(_Lexer.TokenType.Amp, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Amp, Precedence.BitwiseAnd));

    _this.setInfix(_Lexer.TokenType.EqEq, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.EqEq, Precedence.Equality));

    _this.setInfix(_Lexer.TokenType.BangEq, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.BangEq, Precedence.Equality));

    _this.setInfix(_Lexer.TokenType.EqEqEq, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.EqEqEq, Precedence.Equality));

    _this.setInfix(_Lexer.TokenType.BangEqEq, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.BangEqEq, Precedence.Equality));

    _this.setInfix(_Lexer.TokenType.Lt, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Lt, Precedence.Relational));

    _this.setInfix(_Lexer.TokenType.LtEq, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.LtEq, Precedence.Relational));

    _this.setInfix(_Lexer.TokenType.Gt, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Gt, Precedence.Relational));

    _this.setInfix(_Lexer.TokenType.GtEq, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.GtEq, Precedence.Relational));

    _this.setInfix(_Lexer.TokenType.In, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.In, Precedence.Relational));

    _this.setInfix(_Lexer.TokenType.LtLt, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.LtLt, Precedence.BitwiseShift));

    _this.setInfix(_Lexer.TokenType.GtGt, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.GtGt, Precedence.BitwiseShift));

    _this.setInfix(_Lexer.TokenType.GtGtGt, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.GtGtGt, Precedence.BitwiseShift));

    _this.setInfix(_Lexer.TokenType.Plus, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Plus, Precedence.Additive));

    _this.setInfix(_Lexer.TokenType.Minus, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Minus, Precedence.Additive));

    _this.setInfix(_Lexer.TokenType.Star, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Star, Precedence.Multiplicative));

    _this.setInfix(_Lexer.TokenType.Slash, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Slash, Precedence.Multiplicative));

    _this.setInfix(_Lexer.TokenType.Percent, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.Percent, Precedence.Multiplicative));

    _this.setInfix(_Lexer.TokenType.StarStar, (0, _BinaryOperator.makeBinaryOperatorParselet)(_Lexer.TokenType.StarStar, Precedence.Power, _BinaryOperator.RightAssociative));

    _this.setPrefix(_Lexer.TokenType.Await, _Await.Await);

    _this.setPrefix(_Lexer.TokenType.Bang, (0, _UnaryOperator.makePrefixOperatorParselet)(_Lexer.TokenType.Bang));

    _this.setPrefix(_Lexer.TokenType.Tilde, (0, _UnaryOperator.makePrefixOperatorParselet)(_Lexer.TokenType.Tilde));

    _this.setPrefix(_Lexer.TokenType.Plus, (0, _UnaryOperator.makePrefixOperatorParselet)(_Lexer.TokenType.Plus));

    _this.setPrefix(_Lexer.TokenType.Minus, (0, _UnaryOperator.makePrefixOperatorParselet)(_Lexer.TokenType.Minus));

    _this.setPrefix(_Lexer.TokenType.PlusPlus, (0, _UnaryOperator.makePrefixAccessMutatorParselet)());

    _this.setPrefix(_Lexer.TokenType.MinusMinus, (0, _UnaryOperator.makePrefixAccessMutatorParselet)());

    _this.setInfix(_Lexer.TokenType.PlusPlus, (0, _UnaryOperator.makePostfixAccessMutatorParselet)(_Lexer.TokenType.PlusPlus));

    _this.setInfix(_Lexer.TokenType.MinusMinus, (0, _UnaryOperator.makePostfixAccessMutatorParselet)(_Lexer.TokenType.MinusMinus));

    _this.setInfix(_Lexer.TokenType.Dot, _MemberAccess.MemberAccess);

    _this.setInfix(_Lexer.TokenType.LBracket, _MemberAccess.ComputedMemberAccess);

    _this.setInfix(_Lexer.TokenType.LParen, _Call.Call);

    _this.setInfix(_Lexer.TokenType.QuestionDot, _Conditional.NullConditional);

    _this.setPrefix(_Lexer.TokenType.Ellipsis, _Spread.Spread);

    _this.setInfix(_Lexer.TokenType.RightArrow, _Lambda.Lambda);

    _this.setPrefix(_Lexer.TokenType.LParen, _Group.Group);

    _this.setPrefix(_Lexer.TokenType.Identifier, _Value.Identifier);

    _this.setPrefix(_Lexer.TokenType.NumberLiteral, _Value.NumberLiteral);

    _this.setPrefix(_Lexer.TokenType.StringLiteral, _Value.StringLiteral);

    _this.setPrefix(_Lexer.TokenType.BooleanLiteral, _Value.BooleanLiteral);

    _this.setPrefix(_Lexer.TokenType.NullLiteral, _Value.NullLiteral);

    _this.setPrefix(_Lexer.TokenType.UndefinedLiteral, _Value.UndefinedLiteral);

    _this.setPrefix(_Lexer.TokenType.LBracket, _ArrayLiteral.ArrayLiteral);

    _this.setPrefix(_Lexer.TokenType.LBrace, _ObjectLiteral.ObjectLiteral);

    return _this;
  }

  return ExpressionParser;
}(_Parser2.Parser);

exports.ExpressionParser = ExpressionParser;