6843 lines
215 KiB
JavaScript
6843 lines
215 KiB
JavaScript
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/*! jsonpath 1.1.1 */
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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.jsonpath = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"./aesprim":[function(require,module,exports){
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/*
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Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
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Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
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Copyright (C) 2013 Mathias Bynens <mathias@qiwi.be>
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Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
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Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
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Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
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Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
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Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
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Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
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Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*jslint bitwise:true plusplus:true */
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/*global esprima:true, define:true, exports:true, window: true,
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throwErrorTolerant: true,
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throwError: true, generateStatement: true, peek: true,
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parseAssignmentExpression: true, parseBlock: true, parseExpression: true,
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parseFunctionDeclaration: true, parseFunctionExpression: true,
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parseFunctionSourceElements: true, parseVariableIdentifier: true,
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parseLeftHandSideExpression: true,
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parseUnaryExpression: true,
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parseStatement: true, parseSourceElement: true */
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(function (root, factory) {
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'use strict';
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// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
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// Rhino, and plain browser loading.
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/* istanbul ignore next */
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if (typeof define === 'function' && define.amd) {
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define(['exports'], factory);
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} else if (typeof exports !== 'undefined') {
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factory(exports);
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} else {
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factory((root.esprima = {}));
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}
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}(this, function (exports) {
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'use strict';
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var Token,
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TokenName,
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FnExprTokens,
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Syntax,
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PropertyKind,
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Messages,
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Regex,
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SyntaxTreeDelegate,
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source,
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strict,
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index,
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lineNumber,
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lineStart,
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length,
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delegate,
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lookahead,
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state,
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extra;
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Token = {
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BooleanLiteral: 1,
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EOF: 2,
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Identifier: 3,
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Keyword: 4,
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NullLiteral: 5,
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NumericLiteral: 6,
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Punctuator: 7,
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StringLiteral: 8,
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RegularExpression: 9
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};
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TokenName = {};
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TokenName[Token.BooleanLiteral] = 'Boolean';
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TokenName[Token.EOF] = '<end>';
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TokenName[Token.Identifier] = 'Identifier';
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TokenName[Token.Keyword] = 'Keyword';
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TokenName[Token.NullLiteral] = 'Null';
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TokenName[Token.NumericLiteral] = 'Numeric';
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TokenName[Token.Punctuator] = 'Punctuator';
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TokenName[Token.StringLiteral] = 'String';
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TokenName[Token.RegularExpression] = 'RegularExpression';
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// A function following one of those tokens is an expression.
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FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
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'return', 'case', 'delete', 'throw', 'void',
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// assignment operators
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'=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=',
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'&=', '|=', '^=', ',',
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// binary/unary operators
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'+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
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'|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
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'<=', '<', '>', '!=', '!=='];
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Syntax = {
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AssignmentExpression: 'AssignmentExpression',
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ArrayExpression: 'ArrayExpression',
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BlockStatement: 'BlockStatement',
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BinaryExpression: 'BinaryExpression',
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BreakStatement: 'BreakStatement',
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CallExpression: 'CallExpression',
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CatchClause: 'CatchClause',
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ConditionalExpression: 'ConditionalExpression',
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ContinueStatement: 'ContinueStatement',
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DoWhileStatement: 'DoWhileStatement',
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DebuggerStatement: 'DebuggerStatement',
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EmptyStatement: 'EmptyStatement',
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ExpressionStatement: 'ExpressionStatement',
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ForStatement: 'ForStatement',
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ForInStatement: 'ForInStatement',
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FunctionDeclaration: 'FunctionDeclaration',
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FunctionExpression: 'FunctionExpression',
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Identifier: 'Identifier',
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IfStatement: 'IfStatement',
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Literal: 'Literal',
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LabeledStatement: 'LabeledStatement',
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LogicalExpression: 'LogicalExpression',
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MemberExpression: 'MemberExpression',
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NewExpression: 'NewExpression',
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ObjectExpression: 'ObjectExpression',
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Program: 'Program',
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Property: 'Property',
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ReturnStatement: 'ReturnStatement',
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SequenceExpression: 'SequenceExpression',
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SwitchStatement: 'SwitchStatement',
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SwitchCase: 'SwitchCase',
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ThisExpression: 'ThisExpression',
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ThrowStatement: 'ThrowStatement',
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TryStatement: 'TryStatement',
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UnaryExpression: 'UnaryExpression',
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UpdateExpression: 'UpdateExpression',
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VariableDeclaration: 'VariableDeclaration',
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VariableDeclarator: 'VariableDeclarator',
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WhileStatement: 'WhileStatement',
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WithStatement: 'WithStatement'
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};
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PropertyKind = {
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Data: 1,
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Get: 2,
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Set: 4
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};
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// Error messages should be identical to V8.
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Messages = {
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UnexpectedToken: 'Unexpected token %0',
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UnexpectedNumber: 'Unexpected number',
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UnexpectedString: 'Unexpected string',
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UnexpectedIdentifier: 'Unexpected identifier',
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UnexpectedReserved: 'Unexpected reserved word',
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UnexpectedEOS: 'Unexpected end of input',
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NewlineAfterThrow: 'Illegal newline after throw',
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InvalidRegExp: 'Invalid regular expression',
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UnterminatedRegExp: 'Invalid regular expression: missing /',
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InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
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InvalidLHSInForIn: 'Invalid left-hand side in for-in',
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MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
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NoCatchOrFinally: 'Missing catch or finally after try',
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UnknownLabel: 'Undefined label \'%0\'',
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Redeclaration: '%0 \'%1\' has already been declared',
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IllegalContinue: 'Illegal continue statement',
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IllegalBreak: 'Illegal break statement',
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IllegalReturn: 'Illegal return statement',
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StrictModeWith: 'Strict mode code may not include a with statement',
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StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
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StrictVarName: 'Variable name may not be eval or arguments in strict mode',
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StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
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StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
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StrictFunctionName: 'Function name may not be eval or arguments in strict mode',
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StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
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StrictDelete: 'Delete of an unqualified identifier in strict mode.',
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StrictDuplicateProperty: 'Duplicate data property in object literal not allowed in strict mode',
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AccessorDataProperty: 'Object literal may not have data and accessor property with the same name',
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AccessorGetSet: 'Object literal may not have multiple get/set accessors with the same name',
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StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode',
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StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode',
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StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode',
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StrictReservedWord: 'Use of future reserved word in strict mode'
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};
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// See also tools/generate-unicode-regex.py.
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Regex = {
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NonAsciiIdentifierStart: new RegExp('[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F0\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\u
|
||
|
|
NonAsciiIdentifierPart: new RegExp('[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0\u08A2-\u08AC\u08E4-\u08FE\u0900-\u0963\u0966-\u096F\u0971-\u0977\u0979-\u097F\u0981-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C01-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58\u0C59\u0C60-\u0C63\u0C66-\u0C6F\u0C82\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D02\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D57\u0D60-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F0\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191C\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1CD0-\u1CD2\u1CD4-\u1CF6\u1D00-\u1DE6\u1DFC-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200C\u200D\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u
|
||
|
|
};
|
||
|
|
|
||
|
|
// Ensure the condition is true, otherwise throw an error.
|
||
|
|
// This is only to have a better contract semantic, i.e. another safety net
|
||
|
|
// to catch a logic error. The condition shall be fulfilled in normal case.
|
||
|
|
// Do NOT use this to enforce a certain condition on any user input.
|
||
|
|
|
||
|
|
function assert(condition, message) {
|
||
|
|
/* istanbul ignore if */
|
||
|
|
if (!condition) {
|
||
|
|
throw new Error('ASSERT: ' + message);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function isDecimalDigit(ch) {
|
||
|
|
return (ch >= 48 && ch <= 57); // 0..9
|
||
|
|
}
|
||
|
|
|
||
|
|
function isHexDigit(ch) {
|
||
|
|
return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
function isOctalDigit(ch) {
|
||
|
|
return '01234567'.indexOf(ch) >= 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// 7.2 White Space
|
||
|
|
|
||
|
|
function isWhiteSpace(ch) {
|
||
|
|
return (ch === 0x20) || (ch === 0x09) || (ch === 0x0B) || (ch === 0x0C) || (ch === 0xA0) ||
|
||
|
|
(ch >= 0x1680 && [0x1680, 0x180E, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(ch) >= 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.3 Line Terminators
|
||
|
|
|
||
|
|
function isLineTerminator(ch) {
|
||
|
|
return (ch === 0x0A) || (ch === 0x0D) || (ch === 0x2028) || (ch === 0x2029);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.6 Identifier Names and Identifiers
|
||
|
|
|
||
|
|
function isIdentifierStart(ch) {
|
||
|
|
return (ch == 0x40) || (ch === 0x24) || (ch === 0x5F) || // $ (dollar) and _ (underscore)
|
||
|
|
(ch >= 0x41 && ch <= 0x5A) || // A..Z
|
||
|
|
(ch >= 0x61 && ch <= 0x7A) || // a..z
|
||
|
|
(ch === 0x5C) || // \ (backslash)
|
||
|
|
((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
|
||
|
|
}
|
||
|
|
|
||
|
|
function isIdentifierPart(ch) {
|
||
|
|
return (ch === 0x24) || (ch === 0x5F) || // $ (dollar) and _ (underscore)
|
||
|
|
(ch >= 0x41 && ch <= 0x5A) || // A..Z
|
||
|
|
(ch >= 0x61 && ch <= 0x7A) || // a..z
|
||
|
|
(ch >= 0x30 && ch <= 0x39) || // 0..9
|
||
|
|
(ch === 0x5C) || // \ (backslash)
|
||
|
|
((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.6.1.2 Future Reserved Words
|
||
|
|
|
||
|
|
function isFutureReservedWord(id) {
|
||
|
|
switch (id) {
|
||
|
|
case 'class':
|
||
|
|
case 'enum':
|
||
|
|
case 'export':
|
||
|
|
case 'extends':
|
||
|
|
case 'import':
|
||
|
|
case 'super':
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function isStrictModeReservedWord(id) {
|
||
|
|
switch (id) {
|
||
|
|
case 'implements':
|
||
|
|
case 'interface':
|
||
|
|
case 'package':
|
||
|
|
case 'private':
|
||
|
|
case 'protected':
|
||
|
|
case 'public':
|
||
|
|
case 'static':
|
||
|
|
case 'yield':
|
||
|
|
case 'let':
|
||
|
|
return true;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function isRestrictedWord(id) {
|
||
|
|
return id === 'eval' || id === 'arguments';
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.6.1.1 Keywords
|
||
|
|
|
||
|
|
function isKeyword(id) {
|
||
|
|
if (strict && isStrictModeReservedWord(id)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 'const' is specialized as Keyword in V8.
|
||
|
|
// 'yield' and 'let' are for compatiblity with SpiderMonkey and ES.next.
|
||
|
|
// Some others are from future reserved words.
|
||
|
|
|
||
|
|
switch (id.length) {
|
||
|
|
case 2:
|
||
|
|
return (id === 'if') || (id === 'in') || (id === 'do');
|
||
|
|
case 3:
|
||
|
|
return (id === 'var') || (id === 'for') || (id === 'new') ||
|
||
|
|
(id === 'try') || (id === 'let');
|
||
|
|
case 4:
|
||
|
|
return (id === 'this') || (id === 'else') || (id === 'case') ||
|
||
|
|
(id === 'void') || (id === 'with') || (id === 'enum');
|
||
|
|
case 5:
|
||
|
|
return (id === 'while') || (id === 'break') || (id === 'catch') ||
|
||
|
|
(id === 'throw') || (id === 'const') || (id === 'yield') ||
|
||
|
|
(id === 'class') || (id === 'super');
|
||
|
|
case 6:
|
||
|
|
return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
|
||
|
|
(id === 'switch') || (id === 'export') || (id === 'import');
|
||
|
|
case 7:
|
||
|
|
return (id === 'default') || (id === 'finally') || (id === 'extends');
|
||
|
|
case 8:
|
||
|
|
return (id === 'function') || (id === 'continue') || (id === 'debugger');
|
||
|
|
case 10:
|
||
|
|
return (id === 'instanceof');
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.4 Comments
|
||
|
|
|
||
|
|
function addComment(type, value, start, end, loc) {
|
||
|
|
var comment, attacher;
|
||
|
|
|
||
|
|
assert(typeof start === 'number', 'Comment must have valid position');
|
||
|
|
|
||
|
|
// Because the way the actual token is scanned, often the comments
|
||
|
|
// (if any) are skipped twice during the lexical analysis.
|
||
|
|
// Thus, we need to skip adding a comment if the comment array already
|
||
|
|
// handled it.
|
||
|
|
if (state.lastCommentStart >= start) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
state.lastCommentStart = start;
|
||
|
|
|
||
|
|
comment = {
|
||
|
|
type: type,
|
||
|
|
value: value
|
||
|
|
};
|
||
|
|
if (extra.range) {
|
||
|
|
comment.range = [start, end];
|
||
|
|
}
|
||
|
|
if (extra.loc) {
|
||
|
|
comment.loc = loc;
|
||
|
|
}
|
||
|
|
extra.comments.push(comment);
|
||
|
|
if (extra.attachComment) {
|
||
|
|
extra.leadingComments.push(comment);
|
||
|
|
extra.trailingComments.push(comment);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function skipSingleLineComment(offset) {
|
||
|
|
var start, loc, ch, comment;
|
||
|
|
|
||
|
|
start = index - offset;
|
||
|
|
loc = {
|
||
|
|
start: {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart - offset
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
ch = source.charCodeAt(index);
|
||
|
|
++index;
|
||
|
|
if (isLineTerminator(ch)) {
|
||
|
|
if (extra.comments) {
|
||
|
|
comment = source.slice(start + offset, index - 1);
|
||
|
|
loc.end = {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart - 1
|
||
|
|
};
|
||
|
|
addComment('Line', comment, start, index - 1, loc);
|
||
|
|
}
|
||
|
|
if (ch === 13 && source.charCodeAt(index) === 10) {
|
||
|
|
++index;
|
||
|
|
}
|
||
|
|
++lineNumber;
|
||
|
|
lineStart = index;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (extra.comments) {
|
||
|
|
comment = source.slice(start + offset, index);
|
||
|
|
loc.end = {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart
|
||
|
|
};
|
||
|
|
addComment('Line', comment, start, index, loc);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function skipMultiLineComment() {
|
||
|
|
var start, loc, ch, comment;
|
||
|
|
|
||
|
|
if (extra.comments) {
|
||
|
|
start = index - 2;
|
||
|
|
loc = {
|
||
|
|
start: {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart - 2
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
ch = source.charCodeAt(index);
|
||
|
|
if (isLineTerminator(ch)) {
|
||
|
|
if (ch === 0x0D && source.charCodeAt(index + 1) === 0x0A) {
|
||
|
|
++index;
|
||
|
|
}
|
||
|
|
++lineNumber;
|
||
|
|
++index;
|
||
|
|
lineStart = index;
|
||
|
|
if (index >= length) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
} else if (ch === 0x2A) {
|
||
|
|
// Block comment ends with '*/'.
|
||
|
|
if (source.charCodeAt(index + 1) === 0x2F) {
|
||
|
|
++index;
|
||
|
|
++index;
|
||
|
|
if (extra.comments) {
|
||
|
|
comment = source.slice(start + 2, index - 2);
|
||
|
|
loc.end = {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart
|
||
|
|
};
|
||
|
|
addComment('Block', comment, start, index, loc);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
++index;
|
||
|
|
} else {
|
||
|
|
++index;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
function skipComment() {
|
||
|
|
var ch, start;
|
||
|
|
|
||
|
|
start = (index === 0);
|
||
|
|
while (index < length) {
|
||
|
|
ch = source.charCodeAt(index);
|
||
|
|
|
||
|
|
if (isWhiteSpace(ch)) {
|
||
|
|
++index;
|
||
|
|
} else if (isLineTerminator(ch)) {
|
||
|
|
++index;
|
||
|
|
if (ch === 0x0D && source.charCodeAt(index) === 0x0A) {
|
||
|
|
++index;
|
||
|
|
}
|
||
|
|
++lineNumber;
|
||
|
|
lineStart = index;
|
||
|
|
start = true;
|
||
|
|
} else if (ch === 0x2F) { // U+002F is '/'
|
||
|
|
ch = source.charCodeAt(index + 1);
|
||
|
|
if (ch === 0x2F) {
|
||
|
|
++index;
|
||
|
|
++index;
|
||
|
|
skipSingleLineComment(2);
|
||
|
|
start = true;
|
||
|
|
} else if (ch === 0x2A) { // U+002A is '*'
|
||
|
|
++index;
|
||
|
|
++index;
|
||
|
|
skipMultiLineComment();
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else if (start && ch === 0x2D) { // U+002D is '-'
|
||
|
|
// U+003E is '>'
|
||
|
|
if ((source.charCodeAt(index + 1) === 0x2D) && (source.charCodeAt(index + 2) === 0x3E)) {
|
||
|
|
// '-->' is a single-line comment
|
||
|
|
index += 3;
|
||
|
|
skipSingleLineComment(3);
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else if (ch === 0x3C) { // U+003C is '<'
|
||
|
|
if (source.slice(index + 1, index + 4) === '!--') {
|
||
|
|
++index; // `<`
|
||
|
|
++index; // `!`
|
||
|
|
++index; // `-`
|
||
|
|
++index; // `-`
|
||
|
|
skipSingleLineComment(4);
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanHexEscape(prefix) {
|
||
|
|
var i, len, ch, code = 0;
|
||
|
|
|
||
|
|
len = (prefix === 'u') ? 4 : 2;
|
||
|
|
for (i = 0; i < len; ++i) {
|
||
|
|
if (index < length && isHexDigit(source[index])) {
|
||
|
|
ch = source[index++];
|
||
|
|
code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
|
||
|
|
} else {
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return String.fromCharCode(code);
|
||
|
|
}
|
||
|
|
|
||
|
|
function getEscapedIdentifier() {
|
||
|
|
var ch, id;
|
||
|
|
|
||
|
|
ch = source.charCodeAt(index++);
|
||
|
|
id = String.fromCharCode(ch);
|
||
|
|
|
||
|
|
// '\u' (U+005C, U+0075) denotes an escaped character.
|
||
|
|
if (ch === 0x5C) {
|
||
|
|
if (source.charCodeAt(index) !== 0x75) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
++index;
|
||
|
|
ch = scanHexEscape('u');
|
||
|
|
if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
id = ch;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
ch = source.charCodeAt(index);
|
||
|
|
if (!isIdentifierPart(ch)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
++index;
|
||
|
|
id += String.fromCharCode(ch);
|
||
|
|
|
||
|
|
// '\u' (U+005C, U+0075) denotes an escaped character.
|
||
|
|
if (ch === 0x5C) {
|
||
|
|
id = id.substr(0, id.length - 1);
|
||
|
|
if (source.charCodeAt(index) !== 0x75) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
++index;
|
||
|
|
ch = scanHexEscape('u');
|
||
|
|
if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
id += ch;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return id;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getIdentifier() {
|
||
|
|
var start, ch;
|
||
|
|
|
||
|
|
start = index++;
|
||
|
|
while (index < length) {
|
||
|
|
ch = source.charCodeAt(index);
|
||
|
|
if (ch === 0x5C) {
|
||
|
|
// Blackslash (U+005C) marks Unicode escape sequence.
|
||
|
|
index = start;
|
||
|
|
return getEscapedIdentifier();
|
||
|
|
}
|
||
|
|
if (isIdentifierPart(ch)) {
|
||
|
|
++index;
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return source.slice(start, index);
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanIdentifier() {
|
||
|
|
var start, id, type;
|
||
|
|
|
||
|
|
start = index;
|
||
|
|
|
||
|
|
// Backslash (U+005C) starts an escaped character.
|
||
|
|
id = (source.charCodeAt(index) === 0x5C) ? getEscapedIdentifier() : getIdentifier();
|
||
|
|
|
||
|
|
// There is no keyword or literal with only one character.
|
||
|
|
// Thus, it must be an identifier.
|
||
|
|
if (id.length === 1) {
|
||
|
|
type = Token.Identifier;
|
||
|
|
} else if (isKeyword(id)) {
|
||
|
|
type = Token.Keyword;
|
||
|
|
} else if (id === 'null') {
|
||
|
|
type = Token.NullLiteral;
|
||
|
|
} else if (id === 'true' || id === 'false') {
|
||
|
|
type = Token.BooleanLiteral;
|
||
|
|
} else {
|
||
|
|
type = Token.Identifier;
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
type: type,
|
||
|
|
value: id,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// 7.7 Punctuators
|
||
|
|
|
||
|
|
function scanPunctuator() {
|
||
|
|
var start = index,
|
||
|
|
code = source.charCodeAt(index),
|
||
|
|
code2,
|
||
|
|
ch1 = source[index],
|
||
|
|
ch2,
|
||
|
|
ch3,
|
||
|
|
ch4;
|
||
|
|
|
||
|
|
switch (code) {
|
||
|
|
|
||
|
|
// Check for most common single-character punctuators.
|
||
|
|
case 0x2E: // . dot
|
||
|
|
case 0x28: // ( open bracket
|
||
|
|
case 0x29: // ) close bracket
|
||
|
|
case 0x3B: // ; semicolon
|
||
|
|
case 0x2C: // , comma
|
||
|
|
case 0x7B: // { open curly brace
|
||
|
|
case 0x7D: // } close curly brace
|
||
|
|
case 0x5B: // [
|
||
|
|
case 0x5D: // ]
|
||
|
|
case 0x3A: // :
|
||
|
|
case 0x3F: // ?
|
||
|
|
case 0x7E: // ~
|
||
|
|
++index;
|
||
|
|
if (extra.tokenize) {
|
||
|
|
if (code === 0x28) {
|
||
|
|
extra.openParenToken = extra.tokens.length;
|
||
|
|
} else if (code === 0x7B) {
|
||
|
|
extra.openCurlyToken = extra.tokens.length;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: String.fromCharCode(code),
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
|
||
|
|
default:
|
||
|
|
code2 = source.charCodeAt(index + 1);
|
||
|
|
|
||
|
|
// '=' (U+003D) marks an assignment or comparison operator.
|
||
|
|
if (code2 === 0x3D) {
|
||
|
|
switch (code) {
|
||
|
|
case 0x2B: // +
|
||
|
|
case 0x2D: // -
|
||
|
|
case 0x2F: // /
|
||
|
|
case 0x3C: // <
|
||
|
|
case 0x3E: // >
|
||
|
|
case 0x5E: // ^
|
||
|
|
case 0x7C: // |
|
||
|
|
case 0x25: // %
|
||
|
|
case 0x26: // &
|
||
|
|
case 0x2A: // *
|
||
|
|
index += 2;
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: String.fromCharCode(code) + String.fromCharCode(code2),
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
|
||
|
|
case 0x21: // !
|
||
|
|
case 0x3D: // =
|
||
|
|
index += 2;
|
||
|
|
|
||
|
|
// !== and ===
|
||
|
|
if (source.charCodeAt(index) === 0x3D) {
|
||
|
|
++index;
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: source.slice(start, index),
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 4-character punctuator: >>>=
|
||
|
|
|
||
|
|
ch4 = source.substr(index, 4);
|
||
|
|
|
||
|
|
if (ch4 === '>>>=') {
|
||
|
|
index += 4;
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: ch4,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// 3-character punctuators: === !== >>> <<= >>=
|
||
|
|
|
||
|
|
ch3 = ch4.substr(0, 3);
|
||
|
|
|
||
|
|
if (ch3 === '>>>' || ch3 === '<<=' || ch3 === '>>=') {
|
||
|
|
index += 3;
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: ch3,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Other 2-character punctuators: ++ -- << >> && ||
|
||
|
|
ch2 = ch3.substr(0, 2);
|
||
|
|
|
||
|
|
if ((ch1 === ch2[1] && ('+-<>&|'.indexOf(ch1) >= 0)) || ch2 === '=>') {
|
||
|
|
index += 2;
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: ch2,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// 1-character punctuators: < > = ! + - * % & | ^ /
|
||
|
|
if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
|
||
|
|
++index;
|
||
|
|
return {
|
||
|
|
type: Token.Punctuator,
|
||
|
|
value: ch1,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.8.3 Numeric Literals
|
||
|
|
|
||
|
|
function scanHexLiteral(start) {
|
||
|
|
var number = '';
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (!isHexDigit(source[index])) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
number += source[index++];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (number.length === 0) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isIdentifierStart(source.charCodeAt(index))) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
type: Token.NumericLiteral,
|
||
|
|
value: parseInt('0x' + number, 16),
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanOctalLiteral(start) {
|
||
|
|
var number = '0' + source[index++];
|
||
|
|
while (index < length) {
|
||
|
|
if (!isOctalDigit(source[index])) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
number += source[index++];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
type: Token.NumericLiteral,
|
||
|
|
value: parseInt(number, 8),
|
||
|
|
octal: true,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanNumericLiteral() {
|
||
|
|
var number, start, ch;
|
||
|
|
|
||
|
|
ch = source[index];
|
||
|
|
assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'),
|
||
|
|
'Numeric literal must start with a decimal digit or a decimal point');
|
||
|
|
|
||
|
|
start = index;
|
||
|
|
number = '';
|
||
|
|
if (ch !== '.') {
|
||
|
|
number = source[index++];
|
||
|
|
ch = source[index];
|
||
|
|
|
||
|
|
// Hex number starts with '0x'.
|
||
|
|
// Octal number starts with '0'.
|
||
|
|
if (number === '0') {
|
||
|
|
if (ch === 'x' || ch === 'X') {
|
||
|
|
++index;
|
||
|
|
return scanHexLiteral(start);
|
||
|
|
}
|
||
|
|
if (isOctalDigit(ch)) {
|
||
|
|
return scanOctalLiteral(start);
|
||
|
|
}
|
||
|
|
|
||
|
|
// decimal number starts with '0' such as '09' is illegal.
|
||
|
|
if (ch && isDecimalDigit(ch.charCodeAt(0))) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
while (isDecimalDigit(source.charCodeAt(index))) {
|
||
|
|
number += source[index++];
|
||
|
|
}
|
||
|
|
ch = source[index];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ch === '.') {
|
||
|
|
number += source[index++];
|
||
|
|
while (isDecimalDigit(source.charCodeAt(index))) {
|
||
|
|
number += source[index++];
|
||
|
|
}
|
||
|
|
ch = source[index];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ch === 'e' || ch === 'E') {
|
||
|
|
number += source[index++];
|
||
|
|
|
||
|
|
ch = source[index];
|
||
|
|
if (ch === '+' || ch === '-') {
|
||
|
|
number += source[index++];
|
||
|
|
}
|
||
|
|
if (isDecimalDigit(source.charCodeAt(index))) {
|
||
|
|
while (isDecimalDigit(source.charCodeAt(index))) {
|
||
|
|
number += source[index++];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isIdentifierStart(source.charCodeAt(index))) {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
type: Token.NumericLiteral,
|
||
|
|
value: parseFloat(number),
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// 7.8.4 String Literals
|
||
|
|
|
||
|
|
function scanStringLiteral() {
|
||
|
|
var str = '', quote, start, ch, code, unescaped, restore, octal = false, startLineNumber, startLineStart;
|
||
|
|
startLineNumber = lineNumber;
|
||
|
|
startLineStart = lineStart;
|
||
|
|
|
||
|
|
quote = source[index];
|
||
|
|
assert((quote === '\'' || quote === '"'),
|
||
|
|
'String literal must starts with a quote');
|
||
|
|
|
||
|
|
start = index;
|
||
|
|
++index;
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
ch = source[index++];
|
||
|
|
|
||
|
|
if (ch === quote) {
|
||
|
|
quote = '';
|
||
|
|
break;
|
||
|
|
} else if (ch === '\\') {
|
||
|
|
ch = source[index++];
|
||
|
|
if (!ch || !isLineTerminator(ch.charCodeAt(0))) {
|
||
|
|
switch (ch) {
|
||
|
|
case 'u':
|
||
|
|
case 'x':
|
||
|
|
restore = index;
|
||
|
|
unescaped = scanHexEscape(ch);
|
||
|
|
if (unescaped) {
|
||
|
|
str += unescaped;
|
||
|
|
} else {
|
||
|
|
index = restore;
|
||
|
|
str += ch;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'n':
|
||
|
|
str += '\n';
|
||
|
|
break;
|
||
|
|
case 'r':
|
||
|
|
str += '\r';
|
||
|
|
break;
|
||
|
|
case 't':
|
||
|
|
str += '\t';
|
||
|
|
break;
|
||
|
|
case 'b':
|
||
|
|
str += '\b';
|
||
|
|
break;
|
||
|
|
case 'f':
|
||
|
|
str += '\f';
|
||
|
|
break;
|
||
|
|
case 'v':
|
||
|
|
str += '\x0B';
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if (isOctalDigit(ch)) {
|
||
|
|
code = '01234567'.indexOf(ch);
|
||
|
|
|
||
|
|
// \0 is not octal escape sequence
|
||
|
|
if (code !== 0) {
|
||
|
|
octal = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (index < length && isOctalDigit(source[index])) {
|
||
|
|
octal = true;
|
||
|
|
code = code * 8 + '01234567'.indexOf(source[index++]);
|
||
|
|
|
||
|
|
// 3 digits are only allowed when string starts
|
||
|
|
// with 0, 1, 2, 3
|
||
|
|
if ('0123'.indexOf(ch) >= 0 &&
|
||
|
|
index < length &&
|
||
|
|
isOctalDigit(source[index])) {
|
||
|
|
code = code * 8 + '01234567'.indexOf(source[index++]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
str += String.fromCharCode(code);
|
||
|
|
} else {
|
||
|
|
str += ch;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
++lineNumber;
|
||
|
|
if (ch === '\r' && source[index] === '\n') {
|
||
|
|
++index;
|
||
|
|
}
|
||
|
|
lineStart = index;
|
||
|
|
}
|
||
|
|
} else if (isLineTerminator(ch.charCodeAt(0))) {
|
||
|
|
break;
|
||
|
|
} else {
|
||
|
|
str += ch;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (quote !== '') {
|
||
|
|
throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
type: Token.StringLiteral,
|
||
|
|
value: str,
|
||
|
|
octal: octal,
|
||
|
|
startLineNumber: startLineNumber,
|
||
|
|
startLineStart: startLineStart,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function testRegExp(pattern, flags) {
|
||
|
|
var value;
|
||
|
|
try {
|
||
|
|
value = new RegExp(pattern, flags);
|
||
|
|
} catch (e) {
|
||
|
|
throwError({}, Messages.InvalidRegExp);
|
||
|
|
}
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanRegExpBody() {
|
||
|
|
var ch, str, classMarker, terminated, body;
|
||
|
|
|
||
|
|
ch = source[index];
|
||
|
|
assert(ch === '/', 'Regular expression literal must start with a slash');
|
||
|
|
str = source[index++];
|
||
|
|
|
||
|
|
classMarker = false;
|
||
|
|
terminated = false;
|
||
|
|
while (index < length) {
|
||
|
|
ch = source[index++];
|
||
|
|
str += ch;
|
||
|
|
if (ch === '\\') {
|
||
|
|
ch = source[index++];
|
||
|
|
// ECMA-262 7.8.5
|
||
|
|
if (isLineTerminator(ch.charCodeAt(0))) {
|
||
|
|
throwError({}, Messages.UnterminatedRegExp);
|
||
|
|
}
|
||
|
|
str += ch;
|
||
|
|
} else if (isLineTerminator(ch.charCodeAt(0))) {
|
||
|
|
throwError({}, Messages.UnterminatedRegExp);
|
||
|
|
} else if (classMarker) {
|
||
|
|
if (ch === ']') {
|
||
|
|
classMarker = false;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (ch === '/') {
|
||
|
|
terminated = true;
|
||
|
|
break;
|
||
|
|
} else if (ch === '[') {
|
||
|
|
classMarker = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!terminated) {
|
||
|
|
throwError({}, Messages.UnterminatedRegExp);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Exclude leading and trailing slash.
|
||
|
|
body = str.substr(1, str.length - 2);
|
||
|
|
return {
|
||
|
|
value: body,
|
||
|
|
literal: str
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanRegExpFlags() {
|
||
|
|
var ch, str, flags, restore;
|
||
|
|
|
||
|
|
str = '';
|
||
|
|
flags = '';
|
||
|
|
while (index < length) {
|
||
|
|
ch = source[index];
|
||
|
|
if (!isIdentifierPart(ch.charCodeAt(0))) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
++index;
|
||
|
|
if (ch === '\\' && index < length) {
|
||
|
|
ch = source[index];
|
||
|
|
if (ch === 'u') {
|
||
|
|
++index;
|
||
|
|
restore = index;
|
||
|
|
ch = scanHexEscape('u');
|
||
|
|
if (ch) {
|
||
|
|
flags += ch;
|
||
|
|
for (str += '\\u'; restore < index; ++restore) {
|
||
|
|
str += source[restore];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
index = restore;
|
||
|
|
flags += 'u';
|
||
|
|
str += '\\u';
|
||
|
|
}
|
||
|
|
throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
} else {
|
||
|
|
str += '\\';
|
||
|
|
throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
flags += ch;
|
||
|
|
str += ch;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
value: flags,
|
||
|
|
literal: str
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function scanRegExp() {
|
||
|
|
var start, body, flags, pattern, value;
|
||
|
|
|
||
|
|
lookahead = null;
|
||
|
|
skipComment();
|
||
|
|
start = index;
|
||
|
|
|
||
|
|
body = scanRegExpBody();
|
||
|
|
flags = scanRegExpFlags();
|
||
|
|
value = testRegExp(body.value, flags.value);
|
||
|
|
|
||
|
|
if (extra.tokenize) {
|
||
|
|
return {
|
||
|
|
type: Token.RegularExpression,
|
||
|
|
value: value,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
literal: body.literal + flags.literal,
|
||
|
|
value: value,
|
||
|
|
start: start,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function collectRegex() {
|
||
|
|
var pos, loc, regex, token;
|
||
|
|
|
||
|
|
skipComment();
|
||
|
|
|
||
|
|
pos = index;
|
||
|
|
loc = {
|
||
|
|
start: {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
regex = scanRegExp();
|
||
|
|
loc.end = {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart
|
||
|
|
};
|
||
|
|
|
||
|
|
/* istanbul ignore next */
|
||
|
|
if (!extra.tokenize) {
|
||
|
|
// Pop the previous token, which is likely '/' or '/='
|
||
|
|
if (extra.tokens.length > 0) {
|
||
|
|
token = extra.tokens[extra.tokens.length - 1];
|
||
|
|
if (token.range[0] === pos && token.type === 'Punctuator') {
|
||
|
|
if (token.value === '/' || token.value === '/=') {
|
||
|
|
extra.tokens.pop();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
extra.tokens.push({
|
||
|
|
type: 'RegularExpression',
|
||
|
|
value: regex.literal,
|
||
|
|
range: [pos, index],
|
||
|
|
loc: loc
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
return regex;
|
||
|
|
}
|
||
|
|
|
||
|
|
function isIdentifierName(token) {
|
||
|
|
return token.type === Token.Identifier ||
|
||
|
|
token.type === Token.Keyword ||
|
||
|
|
token.type === Token.BooleanLiteral ||
|
||
|
|
token.type === Token.NullLiteral;
|
||
|
|
}
|
||
|
|
|
||
|
|
function advanceSlash() {
|
||
|
|
var prevToken,
|
||
|
|
checkToken;
|
||
|
|
// Using the following algorithm:
|
||
|
|
// https://github.com/mozilla/sweet.js/wiki/design
|
||
|
|
prevToken = extra.tokens[extra.tokens.length - 1];
|
||
|
|
if (!prevToken) {
|
||
|
|
// Nothing before that: it cannot be a division.
|
||
|
|
return collectRegex();
|
||
|
|
}
|
||
|
|
if (prevToken.type === 'Punctuator') {
|
||
|
|
if (prevToken.value === ']') {
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
if (prevToken.value === ')') {
|
||
|
|
checkToken = extra.tokens[extra.openParenToken - 1];
|
||
|
|
if (checkToken &&
|
||
|
|
checkToken.type === 'Keyword' &&
|
||
|
|
(checkToken.value === 'if' ||
|
||
|
|
checkToken.value === 'while' ||
|
||
|
|
checkToken.value === 'for' ||
|
||
|
|
checkToken.value === 'with')) {
|
||
|
|
return collectRegex();
|
||
|
|
}
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
if (prevToken.value === '}') {
|
||
|
|
// Dividing a function by anything makes little sense,
|
||
|
|
// but we have to check for that.
|
||
|
|
if (extra.tokens[extra.openCurlyToken - 3] &&
|
||
|
|
extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') {
|
||
|
|
// Anonymous function.
|
||
|
|
checkToken = extra.tokens[extra.openCurlyToken - 4];
|
||
|
|
if (!checkToken) {
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
} else if (extra.tokens[extra.openCurlyToken - 4] &&
|
||
|
|
extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') {
|
||
|
|
// Named function.
|
||
|
|
checkToken = extra.tokens[extra.openCurlyToken - 5];
|
||
|
|
if (!checkToken) {
|
||
|
|
return collectRegex();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
// checkToken determines whether the function is
|
||
|
|
// a declaration or an expression.
|
||
|
|
if (FnExprTokens.indexOf(checkToken.value) >= 0) {
|
||
|
|
// It is an expression.
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
// It is a declaration.
|
||
|
|
return collectRegex();
|
||
|
|
}
|
||
|
|
return collectRegex();
|
||
|
|
}
|
||
|
|
if (prevToken.type === 'Keyword') {
|
||
|
|
return collectRegex();
|
||
|
|
}
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
|
||
|
|
function advance() {
|
||
|
|
var ch;
|
||
|
|
|
||
|
|
skipComment();
|
||
|
|
|
||
|
|
if (index >= length) {
|
||
|
|
return {
|
||
|
|
type: Token.EOF,
|
||
|
|
lineNumber: lineNumber,
|
||
|
|
lineStart: lineStart,
|
||
|
|
start: index,
|
||
|
|
end: index
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
ch = source.charCodeAt(index);
|
||
|
|
|
||
|
|
if (isIdentifierStart(ch)) {
|
||
|
|
return scanIdentifier();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Very common: ( and ) and ;
|
||
|
|
if (ch === 0x28 || ch === 0x29 || ch === 0x3B) {
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
|
||
|
|
// String literal starts with single quote (U+0027) or double quote (U+0022).
|
||
|
|
if (ch === 0x27 || ch === 0x22) {
|
||
|
|
return scanStringLiteral();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Dot (.) U+002E can also start a floating-point number, hence the need
|
||
|
|
// to check the next character.
|
||
|
|
if (ch === 0x2E) {
|
||
|
|
if (isDecimalDigit(source.charCodeAt(index + 1))) {
|
||
|
|
return scanNumericLiteral();
|
||
|
|
}
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isDecimalDigit(ch)) {
|
||
|
|
return scanNumericLiteral();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Slash (/) U+002F can also start a regex.
|
||
|
|
if (extra.tokenize && ch === 0x2F) {
|
||
|
|
return advanceSlash();
|
||
|
|
}
|
||
|
|
|
||
|
|
return scanPunctuator();
|
||
|
|
}
|
||
|
|
|
||
|
|
function collectToken() {
|
||
|
|
var loc, token, range, value;
|
||
|
|
|
||
|
|
skipComment();
|
||
|
|
loc = {
|
||
|
|
start: {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
token = advance();
|
||
|
|
loc.end = {
|
||
|
|
line: lineNumber,
|
||
|
|
column: index - lineStart
|
||
|
|
};
|
||
|
|
|
||
|
|
if (token.type !== Token.EOF) {
|
||
|
|
value = source.slice(token.start, token.end);
|
||
|
|
extra.tokens.push({
|
||
|
|
type: TokenName[token.type],
|
||
|
|
value: value,
|
||
|
|
range: [token.start, token.end],
|
||
|
|
loc: loc
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
return token;
|
||
|
|
}
|
||
|
|
|
||
|
|
function lex() {
|
||
|
|
var token;
|
||
|
|
|
||
|
|
token = lookahead;
|
||
|
|
index = token.end;
|
||
|
|
lineNumber = token.lineNumber;
|
||
|
|
lineStart = token.lineStart;
|
||
|
|
|
||
|
|
lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
|
||
|
|
|
||
|
|
index = token.end;
|
||
|
|
lineNumber = token.lineNumber;
|
||
|
|
lineStart = token.lineStart;
|
||
|
|
|
||
|
|
return token;
|
||
|
|
}
|
||
|
|
|
||
|
|
function peek() {
|
||
|
|
var pos, line, start;
|
||
|
|
|
||
|
|
pos = index;
|
||
|
|
line = lineNumber;
|
||
|
|
start = lineStart;
|
||
|
|
lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
|
||
|
|
index = pos;
|
||
|
|
lineNumber = line;
|
||
|
|
lineStart = start;
|
||
|
|
}
|
||
|
|
|
||
|
|
function Position(line, column) {
|
||
|
|
this.line = line;
|
||
|
|
this.column = column;
|
||
|
|
}
|
||
|
|
|
||
|
|
function SourceLocation(startLine, startColumn, line, column) {
|
||
|
|
this.start = new Position(startLine, startColumn);
|
||
|
|
this.end = new Position(line, column);
|
||
|
|
}
|
||
|
|
|
||
|
|
SyntaxTreeDelegate = {
|
||
|
|
|
||
|
|
name: 'SyntaxTree',
|
||
|
|
|
||
|
|
processComment: function (node) {
|
||
|
|
var lastChild, trailingComments;
|
||
|
|
|
||
|
|
if (node.type === Syntax.Program) {
|
||
|
|
if (node.body.length > 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (extra.trailingComments.length > 0) {
|
||
|
|
if (extra.trailingComments[0].range[0] >= node.range[1]) {
|
||
|
|
trailingComments = extra.trailingComments;
|
||
|
|
extra.trailingComments = [];
|
||
|
|
} else {
|
||
|
|
extra.trailingComments.length = 0;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (extra.bottomRightStack.length > 0 &&
|
||
|
|
extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments &&
|
||
|
|
extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments[0].range[0] >= node.range[1]) {
|
||
|
|
trailingComments = extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments;
|
||
|
|
delete extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Eating the stack.
|
||
|
|
while (extra.bottomRightStack.length > 0 && extra.bottomRightStack[extra.bottomRightStack.length - 1].range[0] >= node.range[0]) {
|
||
|
|
lastChild = extra.bottomRightStack.pop();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lastChild) {
|
||
|
|
if (lastChild.leadingComments && lastChild.leadingComments[lastChild.leadingComments.length - 1].range[1] <= node.range[0]) {
|
||
|
|
node.leadingComments = lastChild.leadingComments;
|
||
|
|
delete lastChild.leadingComments;
|
||
|
|
}
|
||
|
|
} else if (extra.leadingComments.length > 0 && extra.leadingComments[extra.leadingComments.length - 1].range[1] <= node.range[0]) {
|
||
|
|
node.leadingComments = extra.leadingComments;
|
||
|
|
extra.leadingComments = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (trailingComments) {
|
||
|
|
node.trailingComments = trailingComments;
|
||
|
|
}
|
||
|
|
|
||
|
|
extra.bottomRightStack.push(node);
|
||
|
|
},
|
||
|
|
|
||
|
|
markEnd: function (node, startToken) {
|
||
|
|
if (extra.range) {
|
||
|
|
node.range = [startToken.start, index];
|
||
|
|
}
|
||
|
|
if (extra.loc) {
|
||
|
|
node.loc = new SourceLocation(
|
||
|
|
startToken.startLineNumber === undefined ? startToken.lineNumber : startToken.startLineNumber,
|
||
|
|
startToken.start - (startToken.startLineStart === undefined ? startToken.lineStart : startToken.startLineStart),
|
||
|
|
lineNumber,
|
||
|
|
index - lineStart
|
||
|
|
);
|
||
|
|
this.postProcess(node);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (extra.attachComment) {
|
||
|
|
this.processComment(node);
|
||
|
|
}
|
||
|
|
return node;
|
||
|
|
},
|
||
|
|
|
||
|
|
postProcess: function (node) {
|
||
|
|
if (extra.source) {
|
||
|
|
node.loc.source = extra.source;
|
||
|
|
}
|
||
|
|
return node;
|
||
|
|
},
|
||
|
|
|
||
|
|
createArrayExpression: function (elements) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ArrayExpression,
|
||
|
|
elements: elements
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createAssignmentExpression: function (operator, left, right) {
|
||
|
|
return {
|
||
|
|
type: Syntax.AssignmentExpression,
|
||
|
|
operator: operator,
|
||
|
|
left: left,
|
||
|
|
right: right
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createBinaryExpression: function (operator, left, right) {
|
||
|
|
var type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression :
|
||
|
|
Syntax.BinaryExpression;
|
||
|
|
return {
|
||
|
|
type: type,
|
||
|
|
operator: operator,
|
||
|
|
left: left,
|
||
|
|
right: right
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createBlockStatement: function (body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.BlockStatement,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createBreakStatement: function (label) {
|
||
|
|
return {
|
||
|
|
type: Syntax.BreakStatement,
|
||
|
|
label: label
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createCallExpression: function (callee, args) {
|
||
|
|
return {
|
||
|
|
type: Syntax.CallExpression,
|
||
|
|
callee: callee,
|
||
|
|
'arguments': args
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createCatchClause: function (param, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.CatchClause,
|
||
|
|
param: param,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createConditionalExpression: function (test, consequent, alternate) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ConditionalExpression,
|
||
|
|
test: test,
|
||
|
|
consequent: consequent,
|
||
|
|
alternate: alternate
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createContinueStatement: function (label) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ContinueStatement,
|
||
|
|
label: label
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createDebuggerStatement: function () {
|
||
|
|
return {
|
||
|
|
type: Syntax.DebuggerStatement
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createDoWhileStatement: function (body, test) {
|
||
|
|
return {
|
||
|
|
type: Syntax.DoWhileStatement,
|
||
|
|
body: body,
|
||
|
|
test: test
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createEmptyStatement: function () {
|
||
|
|
return {
|
||
|
|
type: Syntax.EmptyStatement
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createExpressionStatement: function (expression) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ExpressionStatement,
|
||
|
|
expression: expression
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createForStatement: function (init, test, update, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ForStatement,
|
||
|
|
init: init,
|
||
|
|
test: test,
|
||
|
|
update: update,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createForInStatement: function (left, right, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ForInStatement,
|
||
|
|
left: left,
|
||
|
|
right: right,
|
||
|
|
body: body,
|
||
|
|
each: false
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createFunctionDeclaration: function (id, params, defaults, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.FunctionDeclaration,
|
||
|
|
id: id,
|
||
|
|
params: params,
|
||
|
|
defaults: defaults,
|
||
|
|
body: body,
|
||
|
|
rest: null,
|
||
|
|
generator: false,
|
||
|
|
expression: false
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createFunctionExpression: function (id, params, defaults, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.FunctionExpression,
|
||
|
|
id: id,
|
||
|
|
params: params,
|
||
|
|
defaults: defaults,
|
||
|
|
body: body,
|
||
|
|
rest: null,
|
||
|
|
generator: false,
|
||
|
|
expression: false
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createIdentifier: function (name) {
|
||
|
|
return {
|
||
|
|
type: Syntax.Identifier,
|
||
|
|
name: name
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createIfStatement: function (test, consequent, alternate) {
|
||
|
|
return {
|
||
|
|
type: Syntax.IfStatement,
|
||
|
|
test: test,
|
||
|
|
consequent: consequent,
|
||
|
|
alternate: alternate
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createLabeledStatement: function (label, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.LabeledStatement,
|
||
|
|
label: label,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createLiteral: function (token) {
|
||
|
|
return {
|
||
|
|
type: Syntax.Literal,
|
||
|
|
value: token.value,
|
||
|
|
raw: source.slice(token.start, token.end)
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createMemberExpression: function (accessor, object, property) {
|
||
|
|
return {
|
||
|
|
type: Syntax.MemberExpression,
|
||
|
|
computed: accessor === '[',
|
||
|
|
object: object,
|
||
|
|
property: property
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createNewExpression: function (callee, args) {
|
||
|
|
return {
|
||
|
|
type: Syntax.NewExpression,
|
||
|
|
callee: callee,
|
||
|
|
'arguments': args
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createObjectExpression: function (properties) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ObjectExpression,
|
||
|
|
properties: properties
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createPostfixExpression: function (operator, argument) {
|
||
|
|
return {
|
||
|
|
type: Syntax.UpdateExpression,
|
||
|
|
operator: operator,
|
||
|
|
argument: argument,
|
||
|
|
prefix: false
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createProgram: function (body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.Program,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createProperty: function (kind, key, value) {
|
||
|
|
return {
|
||
|
|
type: Syntax.Property,
|
||
|
|
key: key,
|
||
|
|
value: value,
|
||
|
|
kind: kind
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createReturnStatement: function (argument) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ReturnStatement,
|
||
|
|
argument: argument
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createSequenceExpression: function (expressions) {
|
||
|
|
return {
|
||
|
|
type: Syntax.SequenceExpression,
|
||
|
|
expressions: expressions
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createSwitchCase: function (test, consequent) {
|
||
|
|
return {
|
||
|
|
type: Syntax.SwitchCase,
|
||
|
|
test: test,
|
||
|
|
consequent: consequent
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createSwitchStatement: function (discriminant, cases) {
|
||
|
|
return {
|
||
|
|
type: Syntax.SwitchStatement,
|
||
|
|
discriminant: discriminant,
|
||
|
|
cases: cases
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createThisExpression: function () {
|
||
|
|
return {
|
||
|
|
type: Syntax.ThisExpression
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createThrowStatement: function (argument) {
|
||
|
|
return {
|
||
|
|
type: Syntax.ThrowStatement,
|
||
|
|
argument: argument
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createTryStatement: function (block, guardedHandlers, handlers, finalizer) {
|
||
|
|
return {
|
||
|
|
type: Syntax.TryStatement,
|
||
|
|
block: block,
|
||
|
|
guardedHandlers: guardedHandlers,
|
||
|
|
handlers: handlers,
|
||
|
|
finalizer: finalizer
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createUnaryExpression: function (operator, argument) {
|
||
|
|
if (operator === '++' || operator === '--') {
|
||
|
|
return {
|
||
|
|
type: Syntax.UpdateExpression,
|
||
|
|
operator: operator,
|
||
|
|
argument: argument,
|
||
|
|
prefix: true
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
type: Syntax.UnaryExpression,
|
||
|
|
operator: operator,
|
||
|
|
argument: argument,
|
||
|
|
prefix: true
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createVariableDeclaration: function (declarations, kind) {
|
||
|
|
return {
|
||
|
|
type: Syntax.VariableDeclaration,
|
||
|
|
declarations: declarations,
|
||
|
|
kind: kind
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createVariableDeclarator: function (id, init) {
|
||
|
|
return {
|
||
|
|
type: Syntax.VariableDeclarator,
|
||
|
|
id: id,
|
||
|
|
init: init
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createWhileStatement: function (test, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.WhileStatement,
|
||
|
|
test: test,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
createWithStatement: function (object, body) {
|
||
|
|
return {
|
||
|
|
type: Syntax.WithStatement,
|
||
|
|
object: object,
|
||
|
|
body: body
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Return true if there is a line terminator before the next token.
|
||
|
|
|
||
|
|
function peekLineTerminator() {
|
||
|
|
var pos, line, start, found;
|
||
|
|
|
||
|
|
pos = index;
|
||
|
|
line = lineNumber;
|
||
|
|
start = lineStart;
|
||
|
|
skipComment();
|
||
|
|
found = lineNumber !== line;
|
||
|
|
index = pos;
|
||
|
|
lineNumber = line;
|
||
|
|
lineStart = start;
|
||
|
|
|
||
|
|
return found;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Throw an exception
|
||
|
|
|
||
|
|
function throwError(token, messageFormat) {
|
||
|
|
var error,
|
||
|
|
args = Array.prototype.slice.call(arguments, 2),
|
||
|
|
msg = messageFormat.replace(
|
||
|
|
/%(\d)/g,
|
||
|
|
function (whole, index) {
|
||
|
|
assert(index < args.length, 'Message reference must be in range');
|
||
|
|
return args[index];
|
||
|
|
}
|
||
|
|
);
|
||
|
|
|
||
|
|
if (typeof token.lineNumber === 'number') {
|
||
|
|
error = new Error('Line ' + token.lineNumber + ': ' + msg);
|
||
|
|
error.index = token.start;
|
||
|
|
error.lineNumber = token.lineNumber;
|
||
|
|
error.column = token.start - lineStart + 1;
|
||
|
|
} else {
|
||
|
|
error = new Error('Line ' + lineNumber + ': ' + msg);
|
||
|
|
error.index = index;
|
||
|
|
error.lineNumber = lineNumber;
|
||
|
|
error.column = index - lineStart + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
error.description = msg;
|
||
|
|
throw error;
|
||
|
|
}
|
||
|
|
|
||
|
|
function throwErrorTolerant() {
|
||
|
|
try {
|
||
|
|
throwError.apply(null, arguments);
|
||
|
|
} catch (e) {
|
||
|
|
if (extra.errors) {
|
||
|
|
extra.errors.push(e);
|
||
|
|
} else {
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Throw an exception because of the token.
|
||
|
|
|
||
|
|
function throwUnexpected(token) {
|
||
|
|
if (token.type === Token.EOF) {
|
||
|
|
throwError(token, Messages.UnexpectedEOS);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (token.type === Token.NumericLiteral) {
|
||
|
|
throwError(token, Messages.UnexpectedNumber);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (token.type === Token.StringLiteral) {
|
||
|
|
throwError(token, Messages.UnexpectedString);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (token.type === Token.Identifier) {
|
||
|
|
throwError(token, Messages.UnexpectedIdentifier);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (token.type === Token.Keyword) {
|
||
|
|
if (isFutureReservedWord(token.value)) {
|
||
|
|
throwError(token, Messages.UnexpectedReserved);
|
||
|
|
} else if (strict && isStrictModeReservedWord(token.value)) {
|
||
|
|
throwErrorTolerant(token, Messages.StrictReservedWord);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
throwError(token, Messages.UnexpectedToken, token.value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// BooleanLiteral, NullLiteral, or Punctuator.
|
||
|
|
throwError(token, Messages.UnexpectedToken, token.value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Expect the next token to match the specified punctuator.
|
||
|
|
// If not, an exception will be thrown.
|
||
|
|
|
||
|
|
function expect(value) {
|
||
|
|
var token = lex();
|
||
|
|
if (token.type !== Token.Punctuator || token.value !== value) {
|
||
|
|
throwUnexpected(token);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Expect the next token to match the specified keyword.
|
||
|
|
// If not, an exception will be thrown.
|
||
|
|
|
||
|
|
function expectKeyword(keyword) {
|
||
|
|
var token = lex();
|
||
|
|
if (token.type !== Token.Keyword || token.value !== keyword) {
|
||
|
|
throwUnexpected(token);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return true if the next token matches the specified punctuator.
|
||
|
|
|
||
|
|
function match(value) {
|
||
|
|
return lookahead.type === Token.Punctuator && lookahead.value === value;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return true if the next token matches the specified keyword
|
||
|
|
|
||
|
|
function matchKeyword(keyword) {
|
||
|
|
return lookahead.type === Token.Keyword && lookahead.value === keyword;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return true if the next token is an assignment operator
|
||
|
|
|
||
|
|
function matchAssign() {
|
||
|
|
var op;
|
||
|
|
|
||
|
|
if (lookahead.type !== Token.Punctuator) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
op = lookahead.value;
|
||
|
|
return op === '=' ||
|
||
|
|
op === '*=' ||
|
||
|
|
op === '/=' ||
|
||
|
|
op === '%=' ||
|
||
|
|
op === '+=' ||
|
||
|
|
op === '-=' ||
|
||
|
|
op === '<<=' ||
|
||
|
|
op === '>>=' ||
|
||
|
|
op === '>>>=' ||
|
||
|
|
op === '&=' ||
|
||
|
|
op === '^=' ||
|
||
|
|
op === '|=';
|
||
|
|
}
|
||
|
|
|
||
|
|
function consumeSemicolon() {
|
||
|
|
var line;
|
||
|
|
|
||
|
|
// Catch the very common case first: immediately a semicolon (U+003B).
|
||
|
|
if (source.charCodeAt(index) === 0x3B || match(';')) {
|
||
|
|
lex();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
line = lineNumber;
|
||
|
|
skipComment();
|
||
|
|
if (lineNumber !== line) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lookahead.type !== Token.EOF && !match('}')) {
|
||
|
|
throwUnexpected(lookahead);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return true if provided expression is LeftHandSideExpression
|
||
|
|
|
||
|
|
function isLeftHandSide(expr) {
|
||
|
|
return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.1.4 Array Initialiser
|
||
|
|
|
||
|
|
function parseArrayInitialiser() {
|
||
|
|
var elements = [], startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
expect('[');
|
||
|
|
|
||
|
|
while (!match(']')) {
|
||
|
|
if (match(',')) {
|
||
|
|
lex();
|
||
|
|
elements.push(null);
|
||
|
|
} else {
|
||
|
|
elements.push(parseAssignmentExpression());
|
||
|
|
|
||
|
|
if (!match(']')) {
|
||
|
|
expect(',');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
lex();
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createArrayExpression(elements), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.1.5 Object Initialiser
|
||
|
|
|
||
|
|
function parsePropertyFunction(param, first) {
|
||
|
|
var previousStrict, body, startToken;
|
||
|
|
|
||
|
|
previousStrict = strict;
|
||
|
|
startToken = lookahead;
|
||
|
|
body = parseFunctionSourceElements();
|
||
|
|
if (first && strict && isRestrictedWord(param[0].name)) {
|
||
|
|
throwErrorTolerant(first, Messages.StrictParamName);
|
||
|
|
}
|
||
|
|
strict = previousStrict;
|
||
|
|
return delegate.markEnd(delegate.createFunctionExpression(null, param, [], body), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseObjectPropertyKey() {
|
||
|
|
var token, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
|
||
|
|
// Note: This function is called only from parseObjectProperty(), where
|
||
|
|
// EOF and Punctuator tokens are already filtered out.
|
||
|
|
|
||
|
|
if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
|
||
|
|
if (strict && token.octal) {
|
||
|
|
throwErrorTolerant(token, Messages.StrictOctalLiteral);
|
||
|
|
}
|
||
|
|
return delegate.markEnd(delegate.createLiteral(token), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseObjectProperty() {
|
||
|
|
var token, key, id, value, param, startToken;
|
||
|
|
|
||
|
|
token = lookahead;
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
if (token.type === Token.Identifier) {
|
||
|
|
|
||
|
|
id = parseObjectPropertyKey();
|
||
|
|
|
||
|
|
// Property Assignment: Getter and Setter.
|
||
|
|
|
||
|
|
if (token.value === 'get' && !match(':')) {
|
||
|
|
key = parseObjectPropertyKey();
|
||
|
|
expect('(');
|
||
|
|
expect(')');
|
||
|
|
value = parsePropertyFunction([]);
|
||
|
|
return delegate.markEnd(delegate.createProperty('get', key, value), startToken);
|
||
|
|
}
|
||
|
|
if (token.value === 'set' && !match(':')) {
|
||
|
|
key = parseObjectPropertyKey();
|
||
|
|
expect('(');
|
||
|
|
token = lookahead;
|
||
|
|
if (token.type !== Token.Identifier) {
|
||
|
|
expect(')');
|
||
|
|
throwErrorTolerant(token, Messages.UnexpectedToken, token.value);
|
||
|
|
value = parsePropertyFunction([]);
|
||
|
|
} else {
|
||
|
|
param = [ parseVariableIdentifier() ];
|
||
|
|
expect(')');
|
||
|
|
value = parsePropertyFunction(param, token);
|
||
|
|
}
|
||
|
|
return delegate.markEnd(delegate.createProperty('set', key, value), startToken);
|
||
|
|
}
|
||
|
|
expect(':');
|
||
|
|
value = parseAssignmentExpression();
|
||
|
|
return delegate.markEnd(delegate.createProperty('init', id, value), startToken);
|
||
|
|
}
|
||
|
|
if (token.type === Token.EOF || token.type === Token.Punctuator) {
|
||
|
|
throwUnexpected(token);
|
||
|
|
} else {
|
||
|
|
key = parseObjectPropertyKey();
|
||
|
|
expect(':');
|
||
|
|
value = parseAssignmentExpression();
|
||
|
|
return delegate.markEnd(delegate.createProperty('init', key, value), startToken);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseObjectInitialiser() {
|
||
|
|
var properties = [], property, name, key, kind, map = {}, toString = String, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
expect('{');
|
||
|
|
|
||
|
|
while (!match('}')) {
|
||
|
|
property = parseObjectProperty();
|
||
|
|
|
||
|
|
if (property.key.type === Syntax.Identifier) {
|
||
|
|
name = property.key.name;
|
||
|
|
} else {
|
||
|
|
name = toString(property.key.value);
|
||
|
|
}
|
||
|
|
kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set;
|
||
|
|
|
||
|
|
key = '$' + name;
|
||
|
|
if (Object.prototype.hasOwnProperty.call(map, key)) {
|
||
|
|
if (map[key] === PropertyKind.Data) {
|
||
|
|
if (strict && kind === PropertyKind.Data) {
|
||
|
|
throwErrorTolerant({}, Messages.StrictDuplicateProperty);
|
||
|
|
} else if (kind !== PropertyKind.Data) {
|
||
|
|
throwErrorTolerant({}, Messages.AccessorDataProperty);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (kind === PropertyKind.Data) {
|
||
|
|
throwErrorTolerant({}, Messages.AccessorDataProperty);
|
||
|
|
} else if (map[key] & kind) {
|
||
|
|
throwErrorTolerant({}, Messages.AccessorGetSet);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
map[key] |= kind;
|
||
|
|
} else {
|
||
|
|
map[key] = kind;
|
||
|
|
}
|
||
|
|
|
||
|
|
properties.push(property);
|
||
|
|
|
||
|
|
if (!match('}')) {
|
||
|
|
expect(',');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
expect('}');
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createObjectExpression(properties), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.1.6 The Grouping Operator
|
||
|
|
|
||
|
|
function parseGroupExpression() {
|
||
|
|
var expr;
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
expr = parseExpression();
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// 11.1 Primary Expressions
|
||
|
|
|
||
|
|
function parsePrimaryExpression() {
|
||
|
|
var type, token, expr, startToken;
|
||
|
|
|
||
|
|
if (match('(')) {
|
||
|
|
return parseGroupExpression();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (match('[')) {
|
||
|
|
return parseArrayInitialiser();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (match('{')) {
|
||
|
|
return parseObjectInitialiser();
|
||
|
|
}
|
||
|
|
|
||
|
|
type = lookahead.type;
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
if (type === Token.Identifier) {
|
||
|
|
expr = delegate.createIdentifier(lex().value);
|
||
|
|
} else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
|
||
|
|
if (strict && lookahead.octal) {
|
||
|
|
throwErrorTolerant(lookahead, Messages.StrictOctalLiteral);
|
||
|
|
}
|
||
|
|
expr = delegate.createLiteral(lex());
|
||
|
|
} else if (type === Token.Keyword) {
|
||
|
|
if (matchKeyword('function')) {
|
||
|
|
return parseFunctionExpression();
|
||
|
|
}
|
||
|
|
if (matchKeyword('this')) {
|
||
|
|
lex();
|
||
|
|
expr = delegate.createThisExpression();
|
||
|
|
} else {
|
||
|
|
throwUnexpected(lex());
|
||
|
|
}
|
||
|
|
} else if (type === Token.BooleanLiteral) {
|
||
|
|
token = lex();
|
||
|
|
token.value = (token.value === 'true');
|
||
|
|
expr = delegate.createLiteral(token);
|
||
|
|
} else if (type === Token.NullLiteral) {
|
||
|
|
token = lex();
|
||
|
|
token.value = null;
|
||
|
|
expr = delegate.createLiteral(token);
|
||
|
|
} else if (match('/') || match('/=')) {
|
||
|
|
if (typeof extra.tokens !== 'undefined') {
|
||
|
|
expr = delegate.createLiteral(collectRegex());
|
||
|
|
} else {
|
||
|
|
expr = delegate.createLiteral(scanRegExp());
|
||
|
|
}
|
||
|
|
peek();
|
||
|
|
} else {
|
||
|
|
throwUnexpected(lex());
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.markEnd(expr, startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.2 Left-Hand-Side Expressions
|
||
|
|
|
||
|
|
function parseArguments() {
|
||
|
|
var args = [];
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
if (!match(')')) {
|
||
|
|
while (index < length) {
|
||
|
|
args.push(parseAssignmentExpression());
|
||
|
|
if (match(')')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
expect(',');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
return args;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseNonComputedProperty() {
|
||
|
|
var token, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
|
||
|
|
if (!isIdentifierName(token)) {
|
||
|
|
throwUnexpected(token);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseNonComputedMember() {
|
||
|
|
expect('.');
|
||
|
|
|
||
|
|
return parseNonComputedProperty();
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseComputedMember() {
|
||
|
|
var expr;
|
||
|
|
|
||
|
|
expect('[');
|
||
|
|
|
||
|
|
expr = parseExpression();
|
||
|
|
|
||
|
|
expect(']');
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseNewExpression() {
|
||
|
|
var callee, args, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
expectKeyword('new');
|
||
|
|
callee = parseLeftHandSideExpression();
|
||
|
|
args = match('(') ? parseArguments() : [];
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createNewExpression(callee, args), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseLeftHandSideExpressionAllowCall() {
|
||
|
|
var previousAllowIn, expr, args, property, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
previousAllowIn = state.allowIn;
|
||
|
|
state.allowIn = true;
|
||
|
|
expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
|
||
|
|
state.allowIn = previousAllowIn;
|
||
|
|
|
||
|
|
for (;;) {
|
||
|
|
if (match('.')) {
|
||
|
|
property = parseNonComputedMember();
|
||
|
|
expr = delegate.createMemberExpression('.', expr, property);
|
||
|
|
} else if (match('(')) {
|
||
|
|
args = parseArguments();
|
||
|
|
expr = delegate.createCallExpression(expr, args);
|
||
|
|
} else if (match('[')) {
|
||
|
|
property = parseComputedMember();
|
||
|
|
expr = delegate.createMemberExpression('[', expr, property);
|
||
|
|
} else {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
delegate.markEnd(expr, startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseLeftHandSideExpression() {
|
||
|
|
var previousAllowIn, expr, property, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
previousAllowIn = state.allowIn;
|
||
|
|
expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
|
||
|
|
state.allowIn = previousAllowIn;
|
||
|
|
|
||
|
|
while (match('.') || match('[')) {
|
||
|
|
if (match('[')) {
|
||
|
|
property = parseComputedMember();
|
||
|
|
expr = delegate.createMemberExpression('[', expr, property);
|
||
|
|
} else {
|
||
|
|
property = parseNonComputedMember();
|
||
|
|
expr = delegate.createMemberExpression('.', expr, property);
|
||
|
|
}
|
||
|
|
delegate.markEnd(expr, startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.3 Postfix Expressions
|
||
|
|
|
||
|
|
function parsePostfixExpression() {
|
||
|
|
var expr, token, startToken = lookahead;
|
||
|
|
|
||
|
|
expr = parseLeftHandSideExpressionAllowCall();
|
||
|
|
|
||
|
|
if (lookahead.type === Token.Punctuator) {
|
||
|
|
if ((match('++') || match('--')) && !peekLineTerminator()) {
|
||
|
|
// 11.3.1, 11.3.2
|
||
|
|
if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
|
||
|
|
throwErrorTolerant({}, Messages.StrictLHSPostfix);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isLeftHandSide(expr)) {
|
||
|
|
throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
|
||
|
|
}
|
||
|
|
|
||
|
|
token = lex();
|
||
|
|
expr = delegate.markEnd(delegate.createPostfixExpression(token.value, expr), startToken);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.4 Unary Operators
|
||
|
|
|
||
|
|
function parseUnaryExpression() {
|
||
|
|
var token, expr, startToken;
|
||
|
|
|
||
|
|
if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
|
||
|
|
expr = parsePostfixExpression();
|
||
|
|
} else if (match('++') || match('--')) {
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
expr = parseUnaryExpression();
|
||
|
|
// 11.4.4, 11.4.5
|
||
|
|
if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
|
||
|
|
throwErrorTolerant({}, Messages.StrictLHSPrefix);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isLeftHandSide(expr)) {
|
||
|
|
throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
|
||
|
|
}
|
||
|
|
|
||
|
|
expr = delegate.createUnaryExpression(token.value, expr);
|
||
|
|
expr = delegate.markEnd(expr, startToken);
|
||
|
|
} else if (match('+') || match('-') || match('~') || match('!')) {
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
expr = parseUnaryExpression();
|
||
|
|
expr = delegate.createUnaryExpression(token.value, expr);
|
||
|
|
expr = delegate.markEnd(expr, startToken);
|
||
|
|
} else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
expr = parseUnaryExpression();
|
||
|
|
expr = delegate.createUnaryExpression(token.value, expr);
|
||
|
|
expr = delegate.markEnd(expr, startToken);
|
||
|
|
if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
|
||
|
|
throwErrorTolerant({}, Messages.StrictDelete);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
expr = parsePostfixExpression();
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
function binaryPrecedence(token, allowIn) {
|
||
|
|
var prec = 0;
|
||
|
|
|
||
|
|
if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (token.value) {
|
||
|
|
case '||':
|
||
|
|
prec = 1;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '&&':
|
||
|
|
prec = 2;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '|':
|
||
|
|
prec = 3;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '^':
|
||
|
|
prec = 4;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '&':
|
||
|
|
prec = 5;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '==':
|
||
|
|
case '!=':
|
||
|
|
case '===':
|
||
|
|
case '!==':
|
||
|
|
prec = 6;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '<':
|
||
|
|
case '>':
|
||
|
|
case '<=':
|
||
|
|
case '>=':
|
||
|
|
case 'instanceof':
|
||
|
|
prec = 7;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'in':
|
||
|
|
prec = allowIn ? 7 : 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '<<':
|
||
|
|
case '>>':
|
||
|
|
case '>>>':
|
||
|
|
prec = 8;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '+':
|
||
|
|
case '-':
|
||
|
|
prec = 9;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case '*':
|
||
|
|
case '/':
|
||
|
|
case '%':
|
||
|
|
prec = 11;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return prec;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.5 Multiplicative Operators
|
||
|
|
// 11.6 Additive Operators
|
||
|
|
// 11.7 Bitwise Shift Operators
|
||
|
|
// 11.8 Relational Operators
|
||
|
|
// 11.9 Equality Operators
|
||
|
|
// 11.10 Binary Bitwise Operators
|
||
|
|
// 11.11 Binary Logical Operators
|
||
|
|
|
||
|
|
function parseBinaryExpression() {
|
||
|
|
var marker, markers, expr, token, prec, stack, right, operator, left, i;
|
||
|
|
|
||
|
|
marker = lookahead;
|
||
|
|
left = parseUnaryExpression();
|
||
|
|
|
||
|
|
token = lookahead;
|
||
|
|
prec = binaryPrecedence(token, state.allowIn);
|
||
|
|
if (prec === 0) {
|
||
|
|
return left;
|
||
|
|
}
|
||
|
|
token.prec = prec;
|
||
|
|
lex();
|
||
|
|
|
||
|
|
markers = [marker, lookahead];
|
||
|
|
right = parseUnaryExpression();
|
||
|
|
|
||
|
|
stack = [left, token, right];
|
||
|
|
|
||
|
|
while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) {
|
||
|
|
|
||
|
|
// Reduce: make a binary expression from the three topmost entries.
|
||
|
|
while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
|
||
|
|
right = stack.pop();
|
||
|
|
operator = stack.pop().value;
|
||
|
|
left = stack.pop();
|
||
|
|
expr = delegate.createBinaryExpression(operator, left, right);
|
||
|
|
markers.pop();
|
||
|
|
marker = markers[markers.length - 1];
|
||
|
|
delegate.markEnd(expr, marker);
|
||
|
|
stack.push(expr);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Shift.
|
||
|
|
token = lex();
|
||
|
|
token.prec = prec;
|
||
|
|
stack.push(token);
|
||
|
|
markers.push(lookahead);
|
||
|
|
expr = parseUnaryExpression();
|
||
|
|
stack.push(expr);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Final reduce to clean-up the stack.
|
||
|
|
i = stack.length - 1;
|
||
|
|
expr = stack[i];
|
||
|
|
markers.pop();
|
||
|
|
while (i > 1) {
|
||
|
|
expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
|
||
|
|
i -= 2;
|
||
|
|
marker = markers.pop();
|
||
|
|
delegate.markEnd(expr, marker);
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// 11.12 Conditional Operator
|
||
|
|
|
||
|
|
function parseConditionalExpression() {
|
||
|
|
var expr, previousAllowIn, consequent, alternate, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
expr = parseBinaryExpression();
|
||
|
|
|
||
|
|
if (match('?')) {
|
||
|
|
lex();
|
||
|
|
previousAllowIn = state.allowIn;
|
||
|
|
state.allowIn = true;
|
||
|
|
consequent = parseAssignmentExpression();
|
||
|
|
state.allowIn = previousAllowIn;
|
||
|
|
expect(':');
|
||
|
|
alternate = parseAssignmentExpression();
|
||
|
|
|
||
|
|
expr = delegate.createConditionalExpression(expr, consequent, alternate);
|
||
|
|
delegate.markEnd(expr, startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.13 Assignment Operators
|
||
|
|
|
||
|
|
function parseAssignmentExpression() {
|
||
|
|
var token, left, right, node, startToken;
|
||
|
|
|
||
|
|
token = lookahead;
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
node = left = parseConditionalExpression();
|
||
|
|
|
||
|
|
if (matchAssign()) {
|
||
|
|
// LeftHandSideExpression
|
||
|
|
if (!isLeftHandSide(left)) {
|
||
|
|
throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.13.1
|
||
|
|
if (strict && left.type === Syntax.Identifier && isRestrictedWord(left.name)) {
|
||
|
|
throwErrorTolerant(token, Messages.StrictLHSAssignment);
|
||
|
|
}
|
||
|
|
|
||
|
|
token = lex();
|
||
|
|
right = parseAssignmentExpression();
|
||
|
|
node = delegate.markEnd(delegate.createAssignmentExpression(token.value, left, right), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
return node;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11.14 Comma Operator
|
||
|
|
|
||
|
|
function parseExpression() {
|
||
|
|
var expr, startToken = lookahead;
|
||
|
|
|
||
|
|
expr = parseAssignmentExpression();
|
||
|
|
|
||
|
|
if (match(',')) {
|
||
|
|
expr = delegate.createSequenceExpression([ expr ]);
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (!match(',')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
lex();
|
||
|
|
expr.expressions.push(parseAssignmentExpression());
|
||
|
|
}
|
||
|
|
|
||
|
|
delegate.markEnd(expr, startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.1 Block
|
||
|
|
|
||
|
|
function parseStatementList() {
|
||
|
|
var list = [],
|
||
|
|
statement;
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (match('}')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
statement = parseSourceElement();
|
||
|
|
if (typeof statement === 'undefined') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
list.push(statement);
|
||
|
|
}
|
||
|
|
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseBlock() {
|
||
|
|
var block, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
expect('{');
|
||
|
|
|
||
|
|
block = parseStatementList();
|
||
|
|
|
||
|
|
expect('}');
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createBlockStatement(block), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.2 Variable Statement
|
||
|
|
|
||
|
|
function parseVariableIdentifier() {
|
||
|
|
var token, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
|
||
|
|
if (token.type !== Token.Identifier) {
|
||
|
|
throwUnexpected(token);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseVariableDeclaration(kind) {
|
||
|
|
var init = null, id, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
id = parseVariableIdentifier();
|
||
|
|
|
||
|
|
// 12.2.1
|
||
|
|
if (strict && isRestrictedWord(id.name)) {
|
||
|
|
throwErrorTolerant({}, Messages.StrictVarName);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (kind === 'const') {
|
||
|
|
expect('=');
|
||
|
|
init = parseAssignmentExpression();
|
||
|
|
} else if (match('=')) {
|
||
|
|
lex();
|
||
|
|
init = parseAssignmentExpression();
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createVariableDeclarator(id, init), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseVariableDeclarationList(kind) {
|
||
|
|
var list = [];
|
||
|
|
|
||
|
|
do {
|
||
|
|
list.push(parseVariableDeclaration(kind));
|
||
|
|
if (!match(',')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
lex();
|
||
|
|
} while (index < length);
|
||
|
|
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseVariableStatement() {
|
||
|
|
var declarations;
|
||
|
|
|
||
|
|
expectKeyword('var');
|
||
|
|
|
||
|
|
declarations = parseVariableDeclarationList();
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
return delegate.createVariableDeclaration(declarations, 'var');
|
||
|
|
}
|
||
|
|
|
||
|
|
// kind may be `const` or `let`
|
||
|
|
// Both are experimental and not in the specification yet.
|
||
|
|
// see http://wiki.ecmascript.org/doku.php?id=harmony:const
|
||
|
|
// and http://wiki.ecmascript.org/doku.php?id=harmony:let
|
||
|
|
function parseConstLetDeclaration(kind) {
|
||
|
|
var declarations, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
expectKeyword(kind);
|
||
|
|
|
||
|
|
declarations = parseVariableDeclarationList(kind);
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createVariableDeclaration(declarations, kind), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.3 Empty Statement
|
||
|
|
|
||
|
|
function parseEmptyStatement() {
|
||
|
|
expect(';');
|
||
|
|
return delegate.createEmptyStatement();
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.4 Expression Statement
|
||
|
|
|
||
|
|
function parseExpressionStatement() {
|
||
|
|
var expr = parseExpression();
|
||
|
|
consumeSemicolon();
|
||
|
|
return delegate.createExpressionStatement(expr);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.5 If statement
|
||
|
|
|
||
|
|
function parseIfStatement() {
|
||
|
|
var test, consequent, alternate;
|
||
|
|
|
||
|
|
expectKeyword('if');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
test = parseExpression();
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
consequent = parseStatement();
|
||
|
|
|
||
|
|
if (matchKeyword('else')) {
|
||
|
|
lex();
|
||
|
|
alternate = parseStatement();
|
||
|
|
} else {
|
||
|
|
alternate = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createIfStatement(test, consequent, alternate);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.6 Iteration Statements
|
||
|
|
|
||
|
|
function parseDoWhileStatement() {
|
||
|
|
var body, test, oldInIteration;
|
||
|
|
|
||
|
|
expectKeyword('do');
|
||
|
|
|
||
|
|
oldInIteration = state.inIteration;
|
||
|
|
state.inIteration = true;
|
||
|
|
|
||
|
|
body = parseStatement();
|
||
|
|
|
||
|
|
state.inIteration = oldInIteration;
|
||
|
|
|
||
|
|
expectKeyword('while');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
test = parseExpression();
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
if (match(';')) {
|
||
|
|
lex();
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createDoWhileStatement(body, test);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseWhileStatement() {
|
||
|
|
var test, body, oldInIteration;
|
||
|
|
|
||
|
|
expectKeyword('while');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
test = parseExpression();
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
oldInIteration = state.inIteration;
|
||
|
|
state.inIteration = true;
|
||
|
|
|
||
|
|
body = parseStatement();
|
||
|
|
|
||
|
|
state.inIteration = oldInIteration;
|
||
|
|
|
||
|
|
return delegate.createWhileStatement(test, body);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseForVariableDeclaration() {
|
||
|
|
var token, declarations, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
token = lex();
|
||
|
|
declarations = parseVariableDeclarationList();
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createVariableDeclaration(declarations, token.value), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseForStatement() {
|
||
|
|
var init, test, update, left, right, body, oldInIteration;
|
||
|
|
|
||
|
|
init = test = update = null;
|
||
|
|
|
||
|
|
expectKeyword('for');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
if (match(';')) {
|
||
|
|
lex();
|
||
|
|
} else {
|
||
|
|
if (matchKeyword('var') || matchKeyword('let')) {
|
||
|
|
state.allowIn = false;
|
||
|
|
init = parseForVariableDeclaration();
|
||
|
|
state.allowIn = true;
|
||
|
|
|
||
|
|
if (init.declarations.length === 1 && matchKeyword('in')) {
|
||
|
|
lex();
|
||
|
|
left = init;
|
||
|
|
right = parseExpression();
|
||
|
|
init = null;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
state.allowIn = false;
|
||
|
|
init = parseExpression();
|
||
|
|
state.allowIn = true;
|
||
|
|
|
||
|
|
if (matchKeyword('in')) {
|
||
|
|
// LeftHandSideExpression
|
||
|
|
if (!isLeftHandSide(init)) {
|
||
|
|
throwErrorTolerant({}, Messages.InvalidLHSInForIn);
|
||
|
|
}
|
||
|
|
|
||
|
|
lex();
|
||
|
|
left = init;
|
||
|
|
right = parseExpression();
|
||
|
|
init = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof left === 'undefined') {
|
||
|
|
expect(';');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof left === 'undefined') {
|
||
|
|
|
||
|
|
if (!match(';')) {
|
||
|
|
test = parseExpression();
|
||
|
|
}
|
||
|
|
expect(';');
|
||
|
|
|
||
|
|
if (!match(')')) {
|
||
|
|
update = parseExpression();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
oldInIteration = state.inIteration;
|
||
|
|
state.inIteration = true;
|
||
|
|
|
||
|
|
body = parseStatement();
|
||
|
|
|
||
|
|
state.inIteration = oldInIteration;
|
||
|
|
|
||
|
|
return (typeof left === 'undefined') ?
|
||
|
|
delegate.createForStatement(init, test, update, body) :
|
||
|
|
delegate.createForInStatement(left, right, body);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.7 The continue statement
|
||
|
|
|
||
|
|
function parseContinueStatement() {
|
||
|
|
var label = null, key;
|
||
|
|
|
||
|
|
expectKeyword('continue');
|
||
|
|
|
||
|
|
// Optimize the most common form: 'continue;'.
|
||
|
|
if (source.charCodeAt(index) === 0x3B) {
|
||
|
|
lex();
|
||
|
|
|
||
|
|
if (!state.inIteration) {
|
||
|
|
throwError({}, Messages.IllegalContinue);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createContinueStatement(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (peekLineTerminator()) {
|
||
|
|
if (!state.inIteration) {
|
||
|
|
throwError({}, Messages.IllegalContinue);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createContinueStatement(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lookahead.type === Token.Identifier) {
|
||
|
|
label = parseVariableIdentifier();
|
||
|
|
|
||
|
|
key = '$' + label.name;
|
||
|
|
if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
|
||
|
|
throwError({}, Messages.UnknownLabel, label.name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
if (label === null && !state.inIteration) {
|
||
|
|
throwError({}, Messages.IllegalContinue);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createContinueStatement(label);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.8 The break statement
|
||
|
|
|
||
|
|
function parseBreakStatement() {
|
||
|
|
var label = null, key;
|
||
|
|
|
||
|
|
expectKeyword('break');
|
||
|
|
|
||
|
|
// Catch the very common case first: immediately a semicolon (U+003B).
|
||
|
|
if (source.charCodeAt(index) === 0x3B) {
|
||
|
|
lex();
|
||
|
|
|
||
|
|
if (!(state.inIteration || state.inSwitch)) {
|
||
|
|
throwError({}, Messages.IllegalBreak);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createBreakStatement(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (peekLineTerminator()) {
|
||
|
|
if (!(state.inIteration || state.inSwitch)) {
|
||
|
|
throwError({}, Messages.IllegalBreak);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createBreakStatement(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lookahead.type === Token.Identifier) {
|
||
|
|
label = parseVariableIdentifier();
|
||
|
|
|
||
|
|
key = '$' + label.name;
|
||
|
|
if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
|
||
|
|
throwError({}, Messages.UnknownLabel, label.name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
if (label === null && !(state.inIteration || state.inSwitch)) {
|
||
|
|
throwError({}, Messages.IllegalBreak);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createBreakStatement(label);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.9 The return statement
|
||
|
|
|
||
|
|
function parseReturnStatement() {
|
||
|
|
var argument = null;
|
||
|
|
|
||
|
|
expectKeyword('return');
|
||
|
|
|
||
|
|
if (!state.inFunctionBody) {
|
||
|
|
throwErrorTolerant({}, Messages.IllegalReturn);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 'return' followed by a space and an identifier is very common.
|
||
|
|
if (source.charCodeAt(index) === 0x20) {
|
||
|
|
if (isIdentifierStart(source.charCodeAt(index + 1))) {
|
||
|
|
argument = parseExpression();
|
||
|
|
consumeSemicolon();
|
||
|
|
return delegate.createReturnStatement(argument);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (peekLineTerminator()) {
|
||
|
|
return delegate.createReturnStatement(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!match(';')) {
|
||
|
|
if (!match('}') && lookahead.type !== Token.EOF) {
|
||
|
|
argument = parseExpression();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
return delegate.createReturnStatement(argument);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.10 The with statement
|
||
|
|
|
||
|
|
function parseWithStatement() {
|
||
|
|
var object, body;
|
||
|
|
|
||
|
|
if (strict) {
|
||
|
|
// TODO(ikarienator): Should we update the test cases instead?
|
||
|
|
skipComment();
|
||
|
|
throwErrorTolerant({}, Messages.StrictModeWith);
|
||
|
|
}
|
||
|
|
|
||
|
|
expectKeyword('with');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
object = parseExpression();
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
body = parseStatement();
|
||
|
|
|
||
|
|
return delegate.createWithStatement(object, body);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.10 The swith statement
|
||
|
|
|
||
|
|
function parseSwitchCase() {
|
||
|
|
var test, consequent = [], statement, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
if (matchKeyword('default')) {
|
||
|
|
lex();
|
||
|
|
test = null;
|
||
|
|
} else {
|
||
|
|
expectKeyword('case');
|
||
|
|
test = parseExpression();
|
||
|
|
}
|
||
|
|
expect(':');
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (match('}') || matchKeyword('default') || matchKeyword('case')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
statement = parseStatement();
|
||
|
|
consequent.push(statement);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createSwitchCase(test, consequent), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseSwitchStatement() {
|
||
|
|
var discriminant, cases, clause, oldInSwitch, defaultFound;
|
||
|
|
|
||
|
|
expectKeyword('switch');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
discriminant = parseExpression();
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
expect('{');
|
||
|
|
|
||
|
|
cases = [];
|
||
|
|
|
||
|
|
if (match('}')) {
|
||
|
|
lex();
|
||
|
|
return delegate.createSwitchStatement(discriminant, cases);
|
||
|
|
}
|
||
|
|
|
||
|
|
oldInSwitch = state.inSwitch;
|
||
|
|
state.inSwitch = true;
|
||
|
|
defaultFound = false;
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (match('}')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
clause = parseSwitchCase();
|
||
|
|
if (clause.test === null) {
|
||
|
|
if (defaultFound) {
|
||
|
|
throwError({}, Messages.MultipleDefaultsInSwitch);
|
||
|
|
}
|
||
|
|
defaultFound = true;
|
||
|
|
}
|
||
|
|
cases.push(clause);
|
||
|
|
}
|
||
|
|
|
||
|
|
state.inSwitch = oldInSwitch;
|
||
|
|
|
||
|
|
expect('}');
|
||
|
|
|
||
|
|
return delegate.createSwitchStatement(discriminant, cases);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.13 The throw statement
|
||
|
|
|
||
|
|
function parseThrowStatement() {
|
||
|
|
var argument;
|
||
|
|
|
||
|
|
expectKeyword('throw');
|
||
|
|
|
||
|
|
if (peekLineTerminator()) {
|
||
|
|
throwError({}, Messages.NewlineAfterThrow);
|
||
|
|
}
|
||
|
|
|
||
|
|
argument = parseExpression();
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
return delegate.createThrowStatement(argument);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.14 The try statement
|
||
|
|
|
||
|
|
function parseCatchClause() {
|
||
|
|
var param, body, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
expectKeyword('catch');
|
||
|
|
|
||
|
|
expect('(');
|
||
|
|
if (match(')')) {
|
||
|
|
throwUnexpected(lookahead);
|
||
|
|
}
|
||
|
|
|
||
|
|
param = parseVariableIdentifier();
|
||
|
|
// 12.14.1
|
||
|
|
if (strict && isRestrictedWord(param.name)) {
|
||
|
|
throwErrorTolerant({}, Messages.StrictCatchVariable);
|
||
|
|
}
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
body = parseBlock();
|
||
|
|
return delegate.markEnd(delegate.createCatchClause(param, body), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseTryStatement() {
|
||
|
|
var block, handlers = [], finalizer = null;
|
||
|
|
|
||
|
|
expectKeyword('try');
|
||
|
|
|
||
|
|
block = parseBlock();
|
||
|
|
|
||
|
|
if (matchKeyword('catch')) {
|
||
|
|
handlers.push(parseCatchClause());
|
||
|
|
}
|
||
|
|
|
||
|
|
if (matchKeyword('finally')) {
|
||
|
|
lex();
|
||
|
|
finalizer = parseBlock();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (handlers.length === 0 && !finalizer) {
|
||
|
|
throwError({}, Messages.NoCatchOrFinally);
|
||
|
|
}
|
||
|
|
|
||
|
|
return delegate.createTryStatement(block, [], handlers, finalizer);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12.15 The debugger statement
|
||
|
|
|
||
|
|
function parseDebuggerStatement() {
|
||
|
|
expectKeyword('debugger');
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
return delegate.createDebuggerStatement();
|
||
|
|
}
|
||
|
|
|
||
|
|
// 12 Statements
|
||
|
|
|
||
|
|
function parseStatement() {
|
||
|
|
var type = lookahead.type,
|
||
|
|
expr,
|
||
|
|
labeledBody,
|
||
|
|
key,
|
||
|
|
startToken;
|
||
|
|
|
||
|
|
if (type === Token.EOF) {
|
||
|
|
throwUnexpected(lookahead);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (type === Token.Punctuator && lookahead.value === '{') {
|
||
|
|
return parseBlock();
|
||
|
|
}
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
if (type === Token.Punctuator) {
|
||
|
|
switch (lookahead.value) {
|
||
|
|
case ';':
|
||
|
|
return delegate.markEnd(parseEmptyStatement(), startToken);
|
||
|
|
case '(':
|
||
|
|
return delegate.markEnd(parseExpressionStatement(), startToken);
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (type === Token.Keyword) {
|
||
|
|
switch (lookahead.value) {
|
||
|
|
case 'break':
|
||
|
|
return delegate.markEnd(parseBreakStatement(), startToken);
|
||
|
|
case 'continue':
|
||
|
|
return delegate.markEnd(parseContinueStatement(), startToken);
|
||
|
|
case 'debugger':
|
||
|
|
return delegate.markEnd(parseDebuggerStatement(), startToken);
|
||
|
|
case 'do':
|
||
|
|
return delegate.markEnd(parseDoWhileStatement(), startToken);
|
||
|
|
case 'for':
|
||
|
|
return delegate.markEnd(parseForStatement(), startToken);
|
||
|
|
case 'function':
|
||
|
|
return delegate.markEnd(parseFunctionDeclaration(), startToken);
|
||
|
|
case 'if':
|
||
|
|
return delegate.markEnd(parseIfStatement(), startToken);
|
||
|
|
case 'return':
|
||
|
|
return delegate.markEnd(parseReturnStatement(), startToken);
|
||
|
|
case 'switch':
|
||
|
|
return delegate.markEnd(parseSwitchStatement(), startToken);
|
||
|
|
case 'throw':
|
||
|
|
return delegate.markEnd(parseThrowStatement(), startToken);
|
||
|
|
case 'try':
|
||
|
|
return delegate.markEnd(parseTryStatement(), startToken);
|
||
|
|
case 'var':
|
||
|
|
return delegate.markEnd(parseVariableStatement(), startToken);
|
||
|
|
case 'while':
|
||
|
|
return delegate.markEnd(parseWhileStatement(), startToken);
|
||
|
|
case 'with':
|
||
|
|
return delegate.markEnd(parseWithStatement(), startToken);
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
expr = parseExpression();
|
||
|
|
|
||
|
|
// 12.12 Labelled Statements
|
||
|
|
if ((expr.type === Syntax.Identifier) && match(':')) {
|
||
|
|
lex();
|
||
|
|
|
||
|
|
key = '$' + expr.name;
|
||
|
|
if (Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
|
||
|
|
throwError({}, Messages.Redeclaration, 'Label', expr.name);
|
||
|
|
}
|
||
|
|
|
||
|
|
state.labelSet[key] = true;
|
||
|
|
labeledBody = parseStatement();
|
||
|
|
delete state.labelSet[key];
|
||
|
|
return delegate.markEnd(delegate.createLabeledStatement(expr, labeledBody), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
consumeSemicolon();
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createExpressionStatement(expr), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 13 Function Definition
|
||
|
|
|
||
|
|
function parseFunctionSourceElements() {
|
||
|
|
var sourceElement, sourceElements = [], token, directive, firstRestricted,
|
||
|
|
oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
expect('{');
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (lookahead.type !== Token.StringLiteral) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
token = lookahead;
|
||
|
|
|
||
|
|
sourceElement = parseSourceElement();
|
||
|
|
sourceElements.push(sourceElement);
|
||
|
|
if (sourceElement.expression.type !== Syntax.Literal) {
|
||
|
|
// this is not directive
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
directive = source.slice(token.start + 1, token.end - 1);
|
||
|
|
if (directive === 'use strict') {
|
||
|
|
strict = true;
|
||
|
|
if (firstRestricted) {
|
||
|
|
throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (!firstRestricted && token.octal) {
|
||
|
|
firstRestricted = token;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
oldLabelSet = state.labelSet;
|
||
|
|
oldInIteration = state.inIteration;
|
||
|
|
oldInSwitch = state.inSwitch;
|
||
|
|
oldInFunctionBody = state.inFunctionBody;
|
||
|
|
|
||
|
|
state.labelSet = {};
|
||
|
|
state.inIteration = false;
|
||
|
|
state.inSwitch = false;
|
||
|
|
state.inFunctionBody = true;
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
if (match('}')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
sourceElement = parseSourceElement();
|
||
|
|
if (typeof sourceElement === 'undefined') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
sourceElements.push(sourceElement);
|
||
|
|
}
|
||
|
|
|
||
|
|
expect('}');
|
||
|
|
|
||
|
|
state.labelSet = oldLabelSet;
|
||
|
|
state.inIteration = oldInIteration;
|
||
|
|
state.inSwitch = oldInSwitch;
|
||
|
|
state.inFunctionBody = oldInFunctionBody;
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createBlockStatement(sourceElements), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseParams(firstRestricted) {
|
||
|
|
var param, params = [], token, stricted, paramSet, key, message;
|
||
|
|
expect('(');
|
||
|
|
|
||
|
|
if (!match(')')) {
|
||
|
|
paramSet = {};
|
||
|
|
while (index < length) {
|
||
|
|
token = lookahead;
|
||
|
|
param = parseVariableIdentifier();
|
||
|
|
key = '$' + token.value;
|
||
|
|
if (strict) {
|
||
|
|
if (isRestrictedWord(token.value)) {
|
||
|
|
stricted = token;
|
||
|
|
message = Messages.StrictParamName;
|
||
|
|
}
|
||
|
|
if (Object.prototype.hasOwnProperty.call(paramSet, key)) {
|
||
|
|
stricted = token;
|
||
|
|
message = Messages.StrictParamDupe;
|
||
|
|
}
|
||
|
|
} else if (!firstRestricted) {
|
||
|
|
if (isRestrictedWord(token.value)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictParamName;
|
||
|
|
} else if (isStrictModeReservedWord(token.value)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictReservedWord;
|
||
|
|
} else if (Object.prototype.hasOwnProperty.call(paramSet, key)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictParamDupe;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
params.push(param);
|
||
|
|
paramSet[key] = true;
|
||
|
|
if (match(')')) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
expect(',');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
expect(')');
|
||
|
|
|
||
|
|
return {
|
||
|
|
params: params,
|
||
|
|
stricted: stricted,
|
||
|
|
firstRestricted: firstRestricted,
|
||
|
|
message: message
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseFunctionDeclaration() {
|
||
|
|
var id, params = [], body, token, stricted, tmp, firstRestricted, message, previousStrict, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
|
||
|
|
expectKeyword('function');
|
||
|
|
token = lookahead;
|
||
|
|
id = parseVariableIdentifier();
|
||
|
|
if (strict) {
|
||
|
|
if (isRestrictedWord(token.value)) {
|
||
|
|
throwErrorTolerant(token, Messages.StrictFunctionName);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (isRestrictedWord(token.value)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictFunctionName;
|
||
|
|
} else if (isStrictModeReservedWord(token.value)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictReservedWord;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
tmp = parseParams(firstRestricted);
|
||
|
|
params = tmp.params;
|
||
|
|
stricted = tmp.stricted;
|
||
|
|
firstRestricted = tmp.firstRestricted;
|
||
|
|
if (tmp.message) {
|
||
|
|
message = tmp.message;
|
||
|
|
}
|
||
|
|
|
||
|
|
previousStrict = strict;
|
||
|
|
body = parseFunctionSourceElements();
|
||
|
|
if (strict && firstRestricted) {
|
||
|
|
throwError(firstRestricted, message);
|
||
|
|
}
|
||
|
|
if (strict && stricted) {
|
||
|
|
throwErrorTolerant(stricted, message);
|
||
|
|
}
|
||
|
|
strict = previousStrict;
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createFunctionDeclaration(id, params, [], body), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseFunctionExpression() {
|
||
|
|
var token, id = null, stricted, firstRestricted, message, tmp, params = [], body, previousStrict, startToken;
|
||
|
|
|
||
|
|
startToken = lookahead;
|
||
|
|
expectKeyword('function');
|
||
|
|
|
||
|
|
if (!match('(')) {
|
||
|
|
token = lookahead;
|
||
|
|
id = parseVariableIdentifier();
|
||
|
|
if (strict) {
|
||
|
|
if (isRestrictedWord(token.value)) {
|
||
|
|
throwErrorTolerant(token, Messages.StrictFunctionName);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (isRestrictedWord(token.value)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictFunctionName;
|
||
|
|
} else if (isStrictModeReservedWord(token.value)) {
|
||
|
|
firstRestricted = token;
|
||
|
|
message = Messages.StrictReservedWord;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
tmp = parseParams(firstRestricted);
|
||
|
|
params = tmp.params;
|
||
|
|
stricted = tmp.stricted;
|
||
|
|
firstRestricted = tmp.firstRestricted;
|
||
|
|
if (tmp.message) {
|
||
|
|
message = tmp.message;
|
||
|
|
}
|
||
|
|
|
||
|
|
previousStrict = strict;
|
||
|
|
body = parseFunctionSourceElements();
|
||
|
|
if (strict && firstRestricted) {
|
||
|
|
throwError(firstRestricted, message);
|
||
|
|
}
|
||
|
|
if (strict && stricted) {
|
||
|
|
throwErrorTolerant(stricted, message);
|
||
|
|
}
|
||
|
|
strict = previousStrict;
|
||
|
|
|
||
|
|
return delegate.markEnd(delegate.createFunctionExpression(id, params, [], body), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 14 Program
|
||
|
|
|
||
|
|
function parseSourceElement() {
|
||
|
|
if (lookahead.type === Token.Keyword) {
|
||
|
|
switch (lookahead.value) {
|
||
|
|
case 'const':
|
||
|
|
case 'let':
|
||
|
|
return parseConstLetDeclaration(lookahead.value);
|
||
|
|
case 'function':
|
||
|
|
return parseFunctionDeclaration();
|
||
|
|
default:
|
||
|
|
return parseStatement();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lookahead.type !== Token.EOF) {
|
||
|
|
return parseStatement();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseSourceElements() {
|
||
|
|
var sourceElement, sourceElements = [], token, directive, firstRestricted;
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
token = lookahead;
|
||
|
|
if (token.type !== Token.StringLiteral) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
sourceElement = parseSourceElement();
|
||
|
|
sourceElements.push(sourceElement);
|
||
|
|
if (sourceElement.expression.type !== Syntax.Literal) {
|
||
|
|
// this is not directive
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
directive = source.slice(token.start + 1, token.end - 1);
|
||
|
|
if (directive === 'use strict') {
|
||
|
|
strict = true;
|
||
|
|
if (firstRestricted) {
|
||
|
|
throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (!firstRestricted && token.octal) {
|
||
|
|
firstRestricted = token;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
while (index < length) {
|
||
|
|
sourceElement = parseSourceElement();
|
||
|
|
/* istanbul ignore if */
|
||
|
|
if (typeof sourceElement === 'undefined') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
sourceElements.push(sourceElement);
|
||
|
|
}
|
||
|
|
return sourceElements;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parseProgram() {
|
||
|
|
var body, startToken;
|
||
|
|
|
||
|
|
skipComment();
|
||
|
|
peek();
|
||
|
|
startToken = lookahead;
|
||
|
|
strict = false;
|
||
|
|
|
||
|
|
body = parseSourceElements();
|
||
|
|
return delegate.markEnd(delegate.createProgram(body), startToken);
|
||
|
|
}
|
||
|
|
|
||
|
|
function filterTokenLocation() {
|
||
|
|
var i, entry, token, tokens = [];
|
||
|
|
|
||
|
|
for (i = 0; i < extra.tokens.length; ++i) {
|
||
|
|
entry = extra.tokens[i];
|
||
|
|
token = {
|
||
|
|
type: entry.type,
|
||
|
|
value: entry.value
|
||
|
|
};
|
||
|
|
if (extra.range) {
|
||
|
|
token.range = entry.range;
|
||
|
|
}
|
||
|
|
if (extra.loc) {
|
||
|
|
token.loc = entry.loc;
|
||
|
|
}
|
||
|
|
tokens.push(token);
|
||
|
|
}
|
||
|
|
|
||
|
|
extra.tokens = tokens;
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenize(code, options) {
|
||
|
|
var toString,
|
||
|
|
token,
|
||
|
|
tokens;
|
||
|
|
|
||
|
|
toString = String;
|
||
|
|
if (typeof code !== 'string' && !(code instanceof String)) {
|
||
|
|
code = toString(code);
|
||
|
|
}
|
||
|
|
|
||
|
|
delegate = SyntaxTreeDelegate;
|
||
|
|
source = code;
|
||
|
|
index = 0;
|
||
|
|
lineNumber = (source.length > 0) ? 1 : 0;
|
||
|
|
lineStart = 0;
|
||
|
|
length = source.length;
|
||
|
|
lookahead = null;
|
||
|
|
state = {
|
||
|
|
allowIn: true,
|
||
|
|
labelSet: {},
|
||
|
|
inFunctionBody: false,
|
||
|
|
inIteration: false,
|
||
|
|
inSwitch: false,
|
||
|
|
lastCommentStart: -1
|
||
|
|
};
|
||
|
|
|
||
|
|
extra = {};
|
||
|
|
|
||
|
|
// Options matching.
|
||
|
|
options = options || {};
|
||
|
|
|
||
|
|
// Of course we collect tokens here.
|
||
|
|
options.tokens = true;
|
||
|
|
extra.tokens = [];
|
||
|
|
extra.tokenize = true;
|
||
|
|
// The following two fields are necessary to compute the Regex tokens.
|
||
|
|
extra.openParenToken = -1;
|
||
|
|
extra.openCurlyToken = -1;
|
||
|
|
|
||
|
|
extra.range = (typeof options.range === 'boolean') && options.range;
|
||
|
|
extra.loc = (typeof options.loc === 'boolean') && options.loc;
|
||
|
|
|
||
|
|
if (typeof options.comment === 'boolean' && options.comment) {
|
||
|
|
extra.comments = [];
|
||
|
|
}
|
||
|
|
if (typeof options.tolerant === 'boolean' && options.tolerant) {
|
||
|
|
extra.errors = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
peek();
|
||
|
|
if (lookahead.type === Token.EOF) {
|
||
|
|
return extra.tokens;
|
||
|
|
}
|
||
|
|
|
||
|
|
token = lex();
|
||
|
|
while (lookahead.type !== Token.EOF) {
|
||
|
|
try {
|
||
|
|
token = lex();
|
||
|
|
} catch (lexError) {
|
||
|
|
token = lookahead;
|
||
|
|
if (extra.errors) {
|
||
|
|
extra.errors.push(lexError);
|
||
|
|
// We have to break on the first error
|
||
|
|
// to avoid infinite loops.
|
||
|
|
break;
|
||
|
|
} else {
|
||
|
|
throw lexError;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
filterTokenLocation();
|
||
|
|
tokens = extra.tokens;
|
||
|
|
if (typeof extra.comments !== 'undefined') {
|
||
|
|
tokens.comments = extra.comments;
|
||
|
|
}
|
||
|
|
if (typeof extra.errors !== 'undefined') {
|
||
|
|
tokens.errors = extra.errors;
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
throw e;
|
||
|
|
} finally {
|
||
|
|
extra = {};
|
||
|
|
}
|
||
|
|
return tokens;
|
||
|
|
}
|
||
|
|
|
||
|
|
function parse(code, options) {
|
||
|
|
var program, toString;
|
||
|
|
|
||
|
|
toString = String;
|
||
|
|
if (typeof code !== 'string' && !(code instanceof String)) {
|
||
|
|
code = toString(code);
|
||
|
|
}
|
||
|
|
|
||
|
|
delegate = SyntaxTreeDelegate;
|
||
|
|
source = code;
|
||
|
|
index = 0;
|
||
|
|
lineNumber = (source.length > 0) ? 1 : 0;
|
||
|
|
lineStart = 0;
|
||
|
|
length = source.length;
|
||
|
|
lookahead = null;
|
||
|
|
state = {
|
||
|
|
allowIn: true,
|
||
|
|
labelSet: {},
|
||
|
|
inFunctionBody: false,
|
||
|
|
inIteration: false,
|
||
|
|
inSwitch: false,
|
||
|
|
lastCommentStart: -1
|
||
|
|
};
|
||
|
|
|
||
|
|
extra = {};
|
||
|
|
if (typeof options !== 'undefined') {
|
||
|
|
extra.range = (typeof options.range === 'boolean') && options.range;
|
||
|
|
extra.loc = (typeof options.loc === 'boolean') && options.loc;
|
||
|
|
extra.attachComment = (typeof options.attachComment === 'boolean') && options.attachComment;
|
||
|
|
|
||
|
|
if (extra.loc && options.source !== null && options.source !== undefined) {
|
||
|
|
extra.source = toString(options.source);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof options.tokens === 'boolean' && options.tokens) {
|
||
|
|
extra.tokens = [];
|
||
|
|
}
|
||
|
|
if (typeof options.comment === 'boolean' && options.comment) {
|
||
|
|
extra.comments = [];
|
||
|
|
}
|
||
|
|
if (typeof options.tolerant === 'boolean' && options.tolerant) {
|
||
|
|
extra.errors = [];
|
||
|
|
}
|
||
|
|
if (extra.attachComment) {
|
||
|
|
extra.range = true;
|
||
|
|
extra.comments = [];
|
||
|
|
extra.bottomRightStack = [];
|
||
|
|
extra.trailingComments = [];
|
||
|
|
extra.leadingComments = [];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
program = parseProgram();
|
||
|
|
if (typeof extra.comments !== 'undefined') {
|
||
|
|
program.comments = extra.comments;
|
||
|
|
}
|
||
|
|
if (typeof extra.tokens !== 'undefined') {
|
||
|
|
filterTokenLocation();
|
||
|
|
program.tokens = extra.tokens;
|
||
|
|
}
|
||
|
|
if (typeof extra.errors !== 'undefined') {
|
||
|
|
program.errors = extra.errors;
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
throw e;
|
||
|
|
} finally {
|
||
|
|
extra = {};
|
||
|
|
}
|
||
|
|
|
||
|
|
return program;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sync with *.json manifests.
|
||
|
|
exports.version = '1.2.2';
|
||
|
|
|
||
|
|
exports.tokenize = tokenize;
|
||
|
|
|
||
|
|
exports.parse = parse;
|
||
|
|
|
||
|
|
// Deep copy.
|
||
|
|
/* istanbul ignore next */
|
||
|
|
exports.Syntax = (function () {
|
||
|
|
var name, types = {};
|
||
|
|
|
||
|
|
if (typeof Object.create === 'function') {
|
||
|
|
types = Object.create(null);
|
||
|
|
}
|
||
|
|
|
||
|
|
for (name in Syntax) {
|
||
|
|
if (Syntax.hasOwnProperty(name)) {
|
||
|
|
types[name] = Syntax[name];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (typeof Object.freeze === 'function') {
|
||
|
|
Object.freeze(types);
|
||
|
|
}
|
||
|
|
|
||
|
|
return types;
|
||
|
|
}());
|
||
|
|
|
||
|
|
}));
|
||
|
|
/* vim: set sw=4 ts=4 et tw=80 : */
|
||
|
|
|
||
|
|
},{}],1:[function(require,module,exports){
|
||
|
|
(function (process){
|
||
|
|
/* parser generated by jison 0.4.13 */
|
||
|
|
/*
|
||
|
|
Returns a Parser object of the following structure:
|
||
|
|
|
||
|
|
Parser: {
|
||
|
|
yy: {}
|
||
|
|
}
|
||
|
|
|
||
|
|
Parser.prototype: {
|
||
|
|
yy: {},
|
||
|
|
trace: function(),
|
||
|
|
symbols_: {associative list: name ==> number},
|
||
|
|
terminals_: {associative list: number ==> name},
|
||
|
|
productions_: [...],
|
||
|
|
performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate, $$, _$),
|
||
|
|
table: [...],
|
||
|
|
defaultActions: {...},
|
||
|
|
parseError: function(str, hash),
|
||
|
|
parse: function(input),
|
||
|
|
|
||
|
|
lexer: {
|
||
|
|
EOF: 1,
|
||
|
|
parseError: function(str, hash),
|
||
|
|
setInput: function(input),
|
||
|
|
input: function(),
|
||
|
|
unput: function(str),
|
||
|
|
more: function(),
|
||
|
|
less: function(n),
|
||
|
|
pastInput: function(),
|
||
|
|
upcomingInput: function(),
|
||
|
|
showPosition: function(),
|
||
|
|
test_match: function(regex_match_array, rule_index),
|
||
|
|
next: function(),
|
||
|
|
lex: function(),
|
||
|
|
begin: function(condition),
|
||
|
|
popState: function(),
|
||
|
|
_currentRules: function(),
|
||
|
|
topState: function(),
|
||
|
|
pushState: function(condition),
|
||
|
|
|
||
|
|
options: {
|
||
|
|
ranges: boolean (optional: true ==> token location info will include a .range[] member)
|
||
|
|
flex: boolean (optional: true ==> flex-like lexing behaviour where the rules are tested exhaustively to find the longest match)
|
||
|
|
backtrack_lexer: boolean (optional: true ==> lexer regexes are tested in order and for each matching regex the action code is invoked; the lexer terminates the scan when a token is returned by the action code)
|
||
|
|
},
|
||
|
|
|
||
|
|
performAction: function(yy, yy_, $avoiding_name_collisions, YY_START),
|
||
|
|
rules: [...],
|
||
|
|
conditions: {associative list: name ==> set},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
token location info (@$, _$, etc.): {
|
||
|
|
first_line: n,
|
||
|
|
last_line: n,
|
||
|
|
first_column: n,
|
||
|
|
last_column: n,
|
||
|
|
range: [start_number, end_number] (where the numbers are indexes into the input string, regular zero-based)
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
the parseError function receives a 'hash' object with these members for lexer and parser errors: {
|
||
|
|
text: (matched text)
|
||
|
|
token: (the produced terminal token, if any)
|
||
|
|
line: (yylineno)
|
||
|
|
}
|
||
|
|
while parser (grammar) errors will also provide these members, i.e. parser errors deliver a superset of attributes: {
|
||
|
|
loc: (yylloc)
|
||
|
|
expected: (string describing the set of expected tokens)
|
||
|
|
recoverable: (boolean: TRUE when the parser has a error recovery rule available for this particular error)
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
var parser = (function(){
|
||
|
|
var parser = {trace: function trace() { },
|
||
|
|
yy: {},
|
||
|
|
symbols_: {"error":2,"JSON_PATH":3,"DOLLAR":4,"PATH_COMPONENTS":5,"LEADING_CHILD_MEMBER_EXPRESSION":6,"PATH_COMPONENT":7,"MEMBER_COMPONENT":8,"SUBSCRIPT_COMPONENT":9,"CHILD_MEMBER_COMPONENT":10,"DESCENDANT_MEMBER_COMPONENT":11,"DOT":12,"MEMBER_EXPRESSION":13,"DOT_DOT":14,"STAR":15,"IDENTIFIER":16,"SCRIPT_EXPRESSION":17,"INTEGER":18,"END":19,"CHILD_SUBSCRIPT_COMPONENT":20,"DESCENDANT_SUBSCRIPT_COMPONENT":21,"[":22,"SUBSCRIPT":23,"]":24,"SUBSCRIPT_EXPRESSION":25,"SUBSCRIPT_EXPRESSION_LIST":26,"SUBSCRIPT_EXPRESSION_LISTABLE":27,",":28,"STRING_LITERAL":29,"ARRAY_SLICE":30,"FILTER_EXPRESSION":31,"QQ_STRING":32,"Q_STRING":33,"$accept":0,"$end":1},
|
||
|
|
terminals_: {2:"error",4:"DOLLAR",12:"DOT",14:"DOT_DOT",15:"STAR",16:"IDENTIFIER",17:"SCRIPT_EXPRESSION",18:"INTEGER",19:"END",22:"[",24:"]",28:",",30:"ARRAY_SLICE",31:"FILTER_EXPRESSION",32:"QQ_STRING",33:"Q_STRING"},
|
||
|
|
productions_: [0,[3,1],[3,2],[3,1],[3,2],[5,1],[5,2],[7,1],[7,1],[8,1],[8,1],[10,2],[6,1],[11,2],[13,1],[13,1],[13,1],[13,1],[13,1],[9,1],[9,1],[20,3],[21,4],[23,1],[23,1],[26,1],[26,3],[27,1],[27,1],[27,1],[25,1],[25,1],[25,1],[29,1],[29,1]],
|
||
|
|
performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate /* action[1] */, $$ /* vstack */, _$ /* lstack */
|
||
|
|
/**/) {
|
||
|
|
/* this == yyval */
|
||
|
|
if (!yy.ast) {
|
||
|
|
yy.ast = _ast;
|
||
|
|
_ast.initialize();
|
||
|
|
}
|
||
|
|
|
||
|
|
var $0 = $$.length - 1;
|
||
|
|
switch (yystate) {
|
||
|
|
case 1:yy.ast.set({ expression: { type: "root", value: $$[$0] } }); yy.ast.unshift(); return yy.ast.yield()
|
||
|
|
break;
|
||
|
|
case 2:yy.ast.set({ expression: { type: "root", value: $$[$0-1] } }); yy.ast.unshift(); return yy.ast.yield()
|
||
|
|
break;
|
||
|
|
case 3:yy.ast.unshift(); return yy.ast.yield()
|
||
|
|
break;
|
||
|
|
case 4:yy.ast.set({ operation: "member", scope: "child", expression: { type: "identifier", value: $$[$0-1] }}); yy.ast.unshift(); return yy.ast.yield()
|
||
|
|
break;
|
||
|
|
case 5:
|
||
|
|
break;
|
||
|
|
case 6:
|
||
|
|
break;
|
||
|
|
case 7:yy.ast.set({ operation: "member" }); yy.ast.push()
|
||
|
|
break;
|
||
|
|
case 8:yy.ast.set({ operation: "subscript" }); yy.ast.push()
|
||
|
|
break;
|
||
|
|
case 9:yy.ast.set({ scope: "child" })
|
||
|
|
break;
|
||
|
|
case 10:yy.ast.set({ scope: "descendant" })
|
||
|
|
break;
|
||
|
|
case 11:
|
||
|
|
break;
|
||
|
|
case 12:yy.ast.set({ scope: "child", operation: "member" })
|
||
|
|
break;
|
||
|
|
case 13:
|
||
|
|
break;
|
||
|
|
case 14:yy.ast.set({ expression: { type: "wildcard", value: $$[$0] } })
|
||
|
|
break;
|
||
|
|
case 15:yy.ast.set({ expression: { type: "identifier", value: $$[$0] } })
|
||
|
|
break;
|
||
|
|
case 16:yy.ast.set({ expression: { type: "script_expression", value: $$[$0] } })
|
||
|
|
break;
|
||
|
|
case 17:yy.ast.set({ expression: { type: "numeric_literal", value: parseInt($$[$0]) } })
|
||
|
|
break;
|
||
|
|
case 18:
|
||
|
|
break;
|
||
|
|
case 19:yy.ast.set({ scope: "child" })
|
||
|
|
break;
|
||
|
|
case 20:yy.ast.set({ scope: "descendant" })
|
||
|
|
break;
|
||
|
|
case 21:
|
||
|
|
break;
|
||
|
|
case 22:
|
||
|
|
break;
|
||
|
|
case 23:
|
||
|
|
break;
|
||
|
|
case 24:$$[$0].length > 1? yy.ast.set({ expression: { type: "union", value: $$[$0] } }) : this.$ = $$[$0]
|
||
|
|
break;
|
||
|
|
case 25:this.$ = [$$[$0]]
|
||
|
|
break;
|
||
|
|
case 26:this.$ = $$[$0-2].concat($$[$0])
|
||
|
|
break;
|
||
|
|
case 27:this.$ = { expression: { type: "numeric_literal", value: parseInt($$[$0]) } }; yy.ast.set(this.$)
|
||
|
|
break;
|
||
|
|
case 28:this.$ = { expression: { type: "string_literal", value: $$[$0] } }; yy.ast.set(this.$)
|
||
|
|
break;
|
||
|
|
case 29:this.$ = { expression: { type: "slice", value: $$[$0] } }; yy.ast.set(this.$)
|
||
|
|
break;
|
||
|
|
case 30:this.$ = { expression: { type: "wildcard", value: $$[$0] } }; yy.ast.set(this.$)
|
||
|
|
break;
|
||
|
|
case 31:this.$ = { expression: { type: "script_expression", value: $$[$0] } }; yy.ast.set(this.$)
|
||
|
|
break;
|
||
|
|
case 32:this.$ = { expression: { type: "filter_expression", value: $$[$0] } }; yy.ast.set(this.$)
|
||
|
|
break;
|
||
|
|
case 33:this.$ = $$[$0]
|
||
|
|
break;
|
||
|
|
case 34:this.$ = $$[$0]
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
table: [{3:1,4:[1,2],6:3,13:4,15:[1,5],16:[1,6],17:[1,7],18:[1,8],19:[1,9]},{1:[3]},{1:[2,1],5:10,7:11,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,3],5:21,7:11,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,12],12:[2,12],14:[2,12],22:[2,12]},{1:[2,14],12:[2,14],14:[2,14],22:[2,14]},{1:[2,15],12:[2,15],14:[2,15],22:[2,15]},{1:[2,16],12:[2,16],14:[2,16],22:[2,16]},{1:[2,17],12:[2,17],14:[2,17],22:[2,17]},{1:[2,18],12:[2,18],14:[2,18],22:[2,18]},{1:[2,2],7:22,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,5],12:[2,5],14:[2,5],22:[2,5]},{1:[2,7],12:[2,7],14:[2,7],22:[2,7]},{1:[2,8],12:[2,8],14:[2,8],22:[2,8]},{1:[2,9],12:[2,9],14:[2,9],22:[2,9]},{1:[2,10],12:[2,10],14:[2,10],22:[2,10]},{1:[2,19],12:[2,19],14:[2,19],22:[2,19]},{1:[2,20],12:[2,20],14:[2,20],22:[2,20]},{13:23,15:[1,5],16:[1,6],17:[1,7],18:[1,8],19:[1,9]},{13:24,15:[1,5],16:[1,6],17:[1,7],18:[1,8],19:[1,9],22:[1,25]},{15:[1,29],17:[1,30],18:[1,33],23:26,25:27,26:28,27:32,29:34,30:[1,35],31:[1,31],32:[1,36],33:[1,37]},{1:[2,4],7:22,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,6],12:[2,6],14:[2,6],22:[2,6]},{1:[2,11],12:[2,11],14:[2,11],22:[2,11]},{1:[2,13],12:[2,13],14:[2,13],22:[2,13]},{15:[1,29],17:[1,30],18:[1,33],23:38,25:27,26:28,27:32,29:34,30:[1,35],31:[1,31],32:[1,36],33:[1,37]},{24:[1,39]},{24:[2,23]},{24:[2,24],28:[1,40]},{24:[2,30]},{24:[2,31]},{24:[2,32]},{24:[2,25],28:[2,25]},{24:[2,27],28:[2,27]},{24:[2,28],28:[2,28]},{24:[2,29],28:[2,29]},{24:[2,33],28:[2,33]},{24:[2,34],28:[2,34]},{24:[1,41]},{1:[2,21],12:[2,21],14:[2,21],22:[2,21]},{18:[1,33],27:42,29:34,30:[1,35],32:[1,36],33:[1,37]},{1:[2,22],12:[2,22],14:[2,22],22:[2,22]},{24:[2,26],28:[2,26]}],
|
||
|
|
defaultActions: {27:[2,23],29:[2,30],30:[2,31],31:[2,32]},
|
||
|
|
parseError: function parseError(str, hash) {
|
||
|
|
if (hash.recoverable) {
|
||
|
|
this.trace(str);
|
||
|
|
} else {
|
||
|
|
throw new Error(str);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
parse: function parse(input) {
|
||
|
|
var self = this, stack = [0], vstack = [null], lstack = [], table = this.table, yytext = '', yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
|
||
|
|
var args = lstack.slice.call(arguments, 1);
|
||
|
|
this.lexer.setInput(input);
|
||
|
|
this.lexer.yy = this.yy;
|
||
|
|
this.yy.lexer = this.lexer;
|
||
|
|
this.yy.parser = this;
|
||
|
|
if (typeof this.lexer.yylloc == 'undefined') {
|
||
|
|
this.lexer.yylloc = {};
|
||
|
|
}
|
||
|
|
var yyloc = this.lexer.yylloc;
|
||
|
|
lstack.push(yyloc);
|
||
|
|
var ranges = this.lexer.options && this.lexer.options.ranges;
|
||
|
|
if (typeof this.yy.parseError === 'function') {
|
||
|
|
this.parseError = this.yy.parseError;
|
||
|
|
} else {
|
||
|
|
this.parseError = Object.getPrototypeOf(this).parseError;
|
||
|
|
}
|
||
|
|
function popStack(n) {
|
||
|
|
stack.length = stack.length - 2 * n;
|
||
|
|
vstack.length = vstack.length - n;
|
||
|
|
lstack.length = lstack.length - n;
|
||
|
|
}
|
||
|
|
function lex() {
|
||
|
|
var token;
|
||
|
|
token = self.lexer.lex() || EOF;
|
||
|
|
if (typeof token !== 'number') {
|
||
|
|
token = self.symbols_[token] || token;
|
||
|
|
}
|
||
|
|
return token;
|
||
|
|
}
|
||
|
|
var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
|
||
|
|
while (true) {
|
||
|
|
state = stack[stack.length - 1];
|
||
|
|
if (this.defaultActions[state]) {
|
||
|
|
action = this.defaultActions[state];
|
||
|
|
} else {
|
||
|
|
if (symbol === null || typeof symbol == 'undefined') {
|
||
|
|
symbol = lex();
|
||
|
|
}
|
||
|
|
action = table[state] && table[state][symbol];
|
||
|
|
}
|
||
|
|
if (typeof action === 'undefined' || !action.length || !action[0]) {
|
||
|
|
var errStr = '';
|
||
|
|
expected = [];
|
||
|
|
for (p in table[state]) {
|
||
|
|
if (this.terminals_[p] && p > TERROR) {
|
||
|
|
expected.push('\'' + this.terminals_[p] + '\'');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.lexer.showPosition) {
|
||
|
|
errStr = 'Parse error on line ' + (yylineno + 1) + ':\n' + this.lexer.showPosition() + '\nExpecting ' + expected.join(', ') + ', got \'' + (this.terminals_[symbol] || symbol) + '\'';
|
||
|
|
} else {
|
||
|
|
errStr = 'Parse error on line ' + (yylineno + 1) + ': Unexpected ' + (symbol == EOF ? 'end of input' : '\'' + (this.terminals_[symbol] || symbol) + '\'');
|
||
|
|
}
|
||
|
|
this.parseError(errStr, {
|
||
|
|
text: this.lexer.match,
|
||
|
|
token: this.terminals_[symbol] || symbol,
|
||
|
|
line: this.lexer.yylineno,
|
||
|
|
loc: yyloc,
|
||
|
|
expected: expected
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (action[0] instanceof Array && action.length > 1) {
|
||
|
|
throw new Error('Parse Error: multiple actions possible at state: ' + state + ', token: ' + symbol);
|
||
|
|
}
|
||
|
|
switch (action[0]) {
|
||
|
|
case 1:
|
||
|
|
stack.push(symbol);
|
||
|
|
vstack.push(this.lexer.yytext);
|
||
|
|
lstack.push(this.lexer.yylloc);
|
||
|
|
stack.push(action[1]);
|
||
|
|
symbol = null;
|
||
|
|
if (!preErrorSymbol) {
|
||
|
|
yyleng = this.lexer.yyleng;
|
||
|
|
yytext = this.lexer.yytext;
|
||
|
|
yylineno = this.lexer.yylineno;
|
||
|
|
yyloc = this.lexer.yylloc;
|
||
|
|
if (recovering > 0) {
|
||
|
|
recovering--;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
symbol = preErrorSymbol;
|
||
|
|
preErrorSymbol = null;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
len = this.productions_[action[1]][1];
|
||
|
|
yyval.$ = vstack[vstack.length - len];
|
||
|
|
yyval._$ = {
|
||
|
|
first_line: lstack[lstack.length - (len || 1)].first_line,
|
||
|
|
last_line: lstack[lstack.length - 1].last_line,
|
||
|
|
first_column: lstack[lstack.length - (len || 1)].first_column,
|
||
|
|
last_column: lstack[lstack.length - 1].last_column
|
||
|
|
};
|
||
|
|
if (ranges) {
|
||
|
|
yyval._$.range = [
|
||
|
|
lstack[lstack.length - (len || 1)].range[0],
|
||
|
|
lstack[lstack.length - 1].range[1]
|
||
|
|
];
|
||
|
|
}
|
||
|
|
r = this.performAction.apply(yyval, [
|
||
|
|
yytext,
|
||
|
|
yyleng,
|
||
|
|
yylineno,
|
||
|
|
this.yy,
|
||
|
|
action[1],
|
||
|
|
vstack,
|
||
|
|
lstack
|
||
|
|
].concat(args));
|
||
|
|
if (typeof r !== 'undefined') {
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
if (len) {
|
||
|
|
stack = stack.slice(0, -1 * len * 2);
|
||
|
|
vstack = vstack.slice(0, -1 * len);
|
||
|
|
lstack = lstack.slice(0, -1 * len);
|
||
|
|
}
|
||
|
|
stack.push(this.productions_[action[1]][0]);
|
||
|
|
vstack.push(yyval.$);
|
||
|
|
lstack.push(yyval._$);
|
||
|
|
newState = table[stack[stack.length - 2]][stack[stack.length - 1]];
|
||
|
|
stack.push(newState);
|
||
|
|
break;
|
||
|
|
case 3:
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}};
|
||
|
|
var _ast = {
|
||
|
|
|
||
|
|
initialize: function() {
|
||
|
|
this._nodes = [];
|
||
|
|
this._node = {};
|
||
|
|
this._stash = [];
|
||
|
|
},
|
||
|
|
|
||
|
|
set: function(props) {
|
||
|
|
for (var k in props) this._node[k] = props[k];
|
||
|
|
return this._node;
|
||
|
|
},
|
||
|
|
|
||
|
|
node: function(obj) {
|
||
|
|
if (arguments.length) this._node = obj;
|
||
|
|
return this._node;
|
||
|
|
},
|
||
|
|
|
||
|
|
push: function() {
|
||
|
|
this._nodes.push(this._node);
|
||
|
|
this._node = {};
|
||
|
|
},
|
||
|
|
|
||
|
|
unshift: function() {
|
||
|
|
this._nodes.unshift(this._node);
|
||
|
|
this._node = {};
|
||
|
|
},
|
||
|
|
|
||
|
|
yield: function() {
|
||
|
|
var _nodes = this._nodes;
|
||
|
|
this.initialize();
|
||
|
|
return _nodes;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
/* generated by jison-lex 0.2.1 */
|
||
|
|
var lexer = (function(){
|
||
|
|
var lexer = {
|
||
|
|
|
||
|
|
EOF:1,
|
||
|
|
|
||
|
|
parseError:function parseError(str, hash) {
|
||
|
|
if (this.yy.parser) {
|
||
|
|
this.yy.parser.parseError(str, hash);
|
||
|
|
} else {
|
||
|
|
throw new Error(str);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// resets the lexer, sets new input
|
||
|
|
setInput:function (input) {
|
||
|
|
this._input = input;
|
||
|
|
this._more = this._backtrack = this.done = false;
|
||
|
|
this.yylineno = this.yyleng = 0;
|
||
|
|
this.yytext = this.matched = this.match = '';
|
||
|
|
this.conditionStack = ['INITIAL'];
|
||
|
|
this.yylloc = {
|
||
|
|
first_line: 1,
|
||
|
|
first_column: 0,
|
||
|
|
last_line: 1,
|
||
|
|
last_column: 0
|
||
|
|
};
|
||
|
|
if (this.options.ranges) {
|
||
|
|
this.yylloc.range = [0,0];
|
||
|
|
}
|
||
|
|
this.offset = 0;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// consumes and returns one char from the input
|
||
|
|
input:function () {
|
||
|
|
var ch = this._input[0];
|
||
|
|
this.yytext += ch;
|
||
|
|
this.yyleng++;
|
||
|
|
this.offset++;
|
||
|
|
this.match += ch;
|
||
|
|
this.matched += ch;
|
||
|
|
var lines = ch.match(/(?:\r\n?|\n).*/g);
|
||
|
|
if (lines) {
|
||
|
|
this.yylineno++;
|
||
|
|
this.yylloc.last_line++;
|
||
|
|
} else {
|
||
|
|
this.yylloc.last_column++;
|
||
|
|
}
|
||
|
|
if (this.options.ranges) {
|
||
|
|
this.yylloc.range[1]++;
|
||
|
|
}
|
||
|
|
|
||
|
|
this._input = this._input.slice(1);
|
||
|
|
return ch;
|
||
|
|
},
|
||
|
|
|
||
|
|
// unshifts one char (or a string) into the input
|
||
|
|
unput:function (ch) {
|
||
|
|
var len = ch.length;
|
||
|
|
var lines = ch.split(/(?:\r\n?|\n)/g);
|
||
|
|
|
||
|
|
this._input = ch + this._input;
|
||
|
|
this.yytext = this.yytext.substr(0, this.yytext.length - len - 1);
|
||
|
|
//this.yyleng -= len;
|
||
|
|
this.offset -= len;
|
||
|
|
var oldLines = this.match.split(/(?:\r\n?|\n)/g);
|
||
|
|
this.match = this.match.substr(0, this.match.length - 1);
|
||
|
|
this.matched = this.matched.substr(0, this.matched.length - 1);
|
||
|
|
|
||
|
|
if (lines.length - 1) {
|
||
|
|
this.yylineno -= lines.length - 1;
|
||
|
|
}
|
||
|
|
var r = this.yylloc.range;
|
||
|
|
|
||
|
|
this.yylloc = {
|
||
|
|
first_line: this.yylloc.first_line,
|
||
|
|
last_line: this.yylineno + 1,
|
||
|
|
first_column: this.yylloc.first_column,
|
||
|
|
last_column: lines ?
|
||
|
|
(lines.length === oldLines.length ? this.yylloc.first_column : 0)
|
||
|
|
+ oldLines[oldLines.length - lines.length].length - lines[0].length :
|
||
|
|
this.yylloc.first_column - len
|
||
|
|
};
|
||
|
|
|
||
|
|
if (this.options.ranges) {
|
||
|
|
this.yylloc.range = [r[0], r[0] + this.yyleng - len];
|
||
|
|
}
|
||
|
|
this.yyleng = this.yytext.length;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// When called from action, caches matched text and appends it on next action
|
||
|
|
more:function () {
|
||
|
|
this._more = true;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// When called from action, signals the lexer that this rule fails to match the input, so the next matching rule (regex) should be tested instead.
|
||
|
|
reject:function () {
|
||
|
|
if (this.options.backtrack_lexer) {
|
||
|
|
this._backtrack = true;
|
||
|
|
} else {
|
||
|
|
return this.parseError('Lexical error on line ' + (this.yylineno + 1) + '. You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n' + this.showPosition(), {
|
||
|
|
text: "",
|
||
|
|
token: null,
|
||
|
|
line: this.yylineno
|
||
|
|
});
|
||
|
|
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
|
||
|
|
// retain first n characters of the match
|
||
|
|
less:function (n) {
|
||
|
|
this.unput(this.match.slice(n));
|
||
|
|
},
|
||
|
|
|
||
|
|
// displays already matched input, i.e. for error messages
|
||
|
|
pastInput:function () {
|
||
|
|
var past = this.matched.substr(0, this.matched.length - this.match.length);
|
||
|
|
return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
|
||
|
|
},
|
||
|
|
|
||
|
|
// displays upcoming input, i.e. for error messages
|
||
|
|
upcomingInput:function () {
|
||
|
|
var next = this.match;
|
||
|
|
if (next.length < 20) {
|
||
|
|
next += this._input.substr(0, 20-next.length);
|
||
|
|
}
|
||
|
|
return (next.substr(0,20) + (next.length > 20 ? '...' : '')).replace(/\n/g, "");
|
||
|
|
},
|
||
|
|
|
||
|
|
// displays the character position where the lexing error occurred, i.e. for error messages
|
||
|
|
showPosition:function () {
|
||
|
|
var pre = this.pastInput();
|
||
|
|
var c = new Array(pre.length + 1).join("-");
|
||
|
|
return pre + this.upcomingInput() + "\n" + c + "^";
|
||
|
|
},
|
||
|
|
|
||
|
|
// test the lexed token: return FALSE when not a match, otherwise return token
|
||
|
|
test_match:function (match, indexed_rule) {
|
||
|
|
var token,
|
||
|
|
lines,
|
||
|
|
backup;
|
||
|
|
|
||
|
|
if (this.options.backtrack_lexer) {
|
||
|
|
// save context
|
||
|
|
backup = {
|
||
|
|
yylineno: this.yylineno,
|
||
|
|
yylloc: {
|
||
|
|
first_line: this.yylloc.first_line,
|
||
|
|
last_line: this.last_line,
|
||
|
|
first_column: this.yylloc.first_column,
|
||
|
|
last_column: this.yylloc.last_column
|
||
|
|
},
|
||
|
|
yytext: this.yytext,
|
||
|
|
match: this.match,
|
||
|
|
matches: this.matches,
|
||
|
|
matched: this.matched,
|
||
|
|
yyleng: this.yyleng,
|
||
|
|
offset: this.offset,
|
||
|
|
_more: this._more,
|
||
|
|
_input: this._input,
|
||
|
|
yy: this.yy,
|
||
|
|
conditionStack: this.conditionStack.slice(0),
|
||
|
|
done: this.done
|
||
|
|
};
|
||
|
|
if (this.options.ranges) {
|
||
|
|
backup.yylloc.range = this.yylloc.range.slice(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
lines = match[0].match(/(?:\r\n?|\n).*/g);
|
||
|
|
if (lines) {
|
||
|
|
this.yylineno += lines.length;
|
||
|
|
}
|
||
|
|
this.yylloc = {
|
||
|
|
first_line: this.yylloc.last_line,
|
||
|
|
last_line: this.yylineno + 1,
|
||
|
|
first_column: this.yylloc.last_column,
|
||
|
|
last_column: lines ?
|
||
|
|
lines[lines.length - 1].length - lines[lines.length - 1].match(/\r?\n?/)[0].length :
|
||
|
|
this.yylloc.last_column + match[0].length
|
||
|
|
};
|
||
|
|
this.yytext += match[0];
|
||
|
|
this.match += match[0];
|
||
|
|
this.matches = match;
|
||
|
|
this.yyleng = this.yytext.length;
|
||
|
|
if (this.options.ranges) {
|
||
|
|
this.yylloc.range = [this.offset, this.offset += this.yyleng];
|
||
|
|
}
|
||
|
|
this._more = false;
|
||
|
|
this._backtrack = false;
|
||
|
|
this._input = this._input.slice(match[0].length);
|
||
|
|
this.matched += match[0];
|
||
|
|
token = this.performAction.call(this, this.yy, this, indexed_rule, this.conditionStack[this.conditionStack.length - 1]);
|
||
|
|
if (this.done && this._input) {
|
||
|
|
this.done = false;
|
||
|
|
}
|
||
|
|
if (token) {
|
||
|
|
return token;
|
||
|
|
} else if (this._backtrack) {
|
||
|
|
// recover context
|
||
|
|
for (var k in backup) {
|
||
|
|
this[k] = backup[k];
|
||
|
|
}
|
||
|
|
return false; // rule action called reject() implying the next rule should be tested instead.
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
|
||
|
|
// return next match in input
|
||
|
|
next:function () {
|
||
|
|
if (this.done) {
|
||
|
|
return this.EOF;
|
||
|
|
}
|
||
|
|
if (!this._input) {
|
||
|
|
this.done = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
var token,
|
||
|
|
match,
|
||
|
|
tempMatch,
|
||
|
|
index;
|
||
|
|
if (!this._more) {
|
||
|
|
this.yytext = '';
|
||
|
|
this.match = '';
|
||
|
|
}
|
||
|
|
var rules = this._currentRules();
|
||
|
|
for (var i = 0; i < rules.length; i++) {
|
||
|
|
tempMatch = this._input.match(this.rules[rules[i]]);
|
||
|
|
if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
|
||
|
|
match = tempMatch;
|
||
|
|
index = i;
|
||
|
|
if (this.options.backtrack_lexer) {
|
||
|
|
token = this.test_match(tempMatch, rules[i]);
|
||
|
|
if (token !== false) {
|
||
|
|
return token;
|
||
|
|
} else if (this._backtrack) {
|
||
|
|
match = false;
|
||
|
|
continue; // rule action called reject() implying a rule MISmatch.
|
||
|
|
} else {
|
||
|
|
// else: this is a lexer rule which consumes input without producing a token (e.g. whitespace)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
} else if (!this.options.flex) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (match) {
|
||
|
|
token = this.test_match(match, rules[index]);
|
||
|
|
if (token !== false) {
|
||
|
|
return token;
|
||
|
|
}
|
||
|
|
// else: this is a lexer rule which consumes input without producing a token (e.g. whitespace)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (this._input === "") {
|
||
|
|
return this.EOF;
|
||
|
|
} else {
|
||
|
|
return this.parseError('Lexical error on line ' + (this.yylineno + 1) + '. Unrecognized text.\n' + this.showPosition(), {
|
||
|
|
text: "",
|
||
|
|
token: null,
|
||
|
|
line: this.yylineno
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// return next match that has a token
|
||
|
|
lex:function lex() {
|
||
|
|
var r = this.next();
|
||
|
|
if (r) {
|
||
|
|
return r;
|
||
|
|
} else {
|
||
|
|
return this.lex();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// activates a new lexer condition state (pushes the new lexer condition state onto the condition stack)
|
||
|
|
begin:function begin(condition) {
|
||
|
|
this.conditionStack.push(condition);
|
||
|
|
},
|
||
|
|
|
||
|
|
// pop the previously active lexer condition state off the condition stack
|
||
|
|
popState:function popState() {
|
||
|
|
var n = this.conditionStack.length - 1;
|
||
|
|
if (n > 0) {
|
||
|
|
return this.conditionStack.pop();
|
||
|
|
} else {
|
||
|
|
return this.conditionStack[0];
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// produce the lexer rule set which is active for the currently active lexer condition state
|
||
|
|
_currentRules:function _currentRules() {
|
||
|
|
if (this.conditionStack.length && this.conditionStack[this.conditionStack.length - 1]) {
|
||
|
|
return this.conditions[this.conditionStack[this.conditionStack.length - 1]].rules;
|
||
|
|
} else {
|
||
|
|
return this.conditions["INITIAL"].rules;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// return the currently active lexer condition state; when an index argument is provided it produces the N-th previous condition state, if available
|
||
|
|
topState:function topState(n) {
|
||
|
|
n = this.conditionStack.length - 1 - Math.abs(n || 0);
|
||
|
|
if (n >= 0) {
|
||
|
|
return this.conditionStack[n];
|
||
|
|
} else {
|
||
|
|
return "INITIAL";
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// alias for begin(condition)
|
||
|
|
pushState:function pushState(condition) {
|
||
|
|
this.begin(condition);
|
||
|
|
},
|
||
|
|
|
||
|
|
// return the number of states currently on the stack
|
||
|
|
stateStackSize:function stateStackSize() {
|
||
|
|
return this.conditionStack.length;
|
||
|
|
},
|
||
|
|
options: {},
|
||
|
|
performAction: function anonymous(yy,yy_,$avoiding_name_collisions,YY_START
|
||
|
|
/**/) {
|
||
|
|
|
||
|
|
var YYSTATE=YY_START;
|
||
|
|
switch($avoiding_name_collisions) {
|
||
|
|
case 0:return 4
|
||
|
|
break;
|
||
|
|
case 1:return 14
|
||
|
|
break;
|
||
|
|
case 2:return 12
|
||
|
|
break;
|
||
|
|
case 3:return 15
|
||
|
|
break;
|
||
|
|
case 4:return 16
|
||
|
|
break;
|
||
|
|
case 5:return 22
|
||
|
|
break;
|
||
|
|
case 6:return 24
|
||
|
|
break;
|
||
|
|
case 7:return 28
|
||
|
|
break;
|
||
|
|
case 8:return 30
|
||
|
|
break;
|
||
|
|
case 9:return 18
|
||
|
|
break;
|
||
|
|
case 10:yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2); return 32;
|
||
|
|
break;
|
||
|
|
case 11:yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2); return 33;
|
||
|
|
break;
|
||
|
|
case 12:return 17
|
||
|
|
break;
|
||
|
|
case 13:return 31
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
rules: [/^(?:\$)/,/^(?:\.\.)/,/^(?:\.)/,/^(?:\*)/,/^(?:[a-zA-Z_]+[a-zA-Z0-9_]*)/,/^(?:\[)/,/^(?:\])/,/^(?:,)/,/^(?:((-?(?:0|[1-9][0-9]*)))?\:((-?(?:0|[1-9][0-9]*)))?(\:((-?(?:0|[1-9][0-9]*)))?)?)/,/^(?:(-?(?:0|[1-9][0-9]*)))/,/^(?:"(?:\\["bfnrt/\\]|\\u[a-fA-F0-9]{4}|[^"\\])*")/,/^(?:'(?:\\['bfnrt/\\]|\\u[a-fA-F0-9]{4}|[^'\\])*')/,/^(?:\(.+?\)(?=\]))/,/^(?:\?\(.+?\)(?=\]))/],
|
||
|
|
conditions: {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13],"inclusive":true}}
|
||
|
|
};
|
||
|
|
return lexer;
|
||
|
|
})();
|
||
|
|
parser.lexer = lexer;
|
||
|
|
function Parser () {
|
||
|
|
this.yy = {};
|
||
|
|
}
|
||
|
|
Parser.prototype = parser;parser.Parser = Parser;
|
||
|
|
return new Parser;
|
||
|
|
})();
|
||
|
|
|
||
|
|
|
||
|
|
if (typeof require !== 'undefined' && typeof exports !== 'undefined') {
|
||
|
|
exports.parser = parser;
|
||
|
|
exports.Parser = parser.Parser;
|
||
|
|
exports.parse = function () { return parser.parse.apply(parser, arguments); };
|
||
|
|
exports.main = function commonjsMain(args) {
|
||
|
|
if (!args[1]) {
|
||
|
|
console.log('Usage: '+args[0]+' FILE');
|
||
|
|
process.exit(1);
|
||
|
|
}
|
||
|
|
var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
|
||
|
|
return exports.parser.parse(source);
|
||
|
|
};
|
||
|
|
if (typeof module !== 'undefined' && require.main === module) {
|
||
|
|
exports.main(process.argv.slice(1));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}).call(this,require('_process'))
|
||
|
|
},{"_process":14,"fs":12,"path":13}],2:[function(require,module,exports){
|
||
|
|
module.exports = {
|
||
|
|
identifier: "[a-zA-Z_]+[a-zA-Z0-9_]*",
|
||
|
|
integer: "-?(?:0|[1-9][0-9]*)",
|
||
|
|
qq_string: "\"(?:\\\\[\"bfnrt/\\\\]|\\\\u[a-fA-F0-9]{4}|[^\"\\\\])*\"",
|
||
|
|
q_string: "'(?:\\\\[\'bfnrt/\\\\]|\\\\u[a-fA-F0-9]{4}|[^\'\\\\])*'"
|
||
|
|
};
|
||
|
|
|
||
|
|
},{}],3:[function(require,module,exports){
|
||
|
|
var dict = require('./dict');
|
||
|
|
var fs = require('fs');
|
||
|
|
var grammar = {
|
||
|
|
|
||
|
|
lex: {
|
||
|
|
|
||
|
|
macros: {
|
||
|
|
esc: "\\\\",
|
||
|
|
int: dict.integer
|
||
|
|
},
|
||
|
|
|
||
|
|
rules: [
|
||
|
|
["\\$", "return 'DOLLAR'"],
|
||
|
|
["\\.\\.", "return 'DOT_DOT'"],
|
||
|
|
["\\.", "return 'DOT'"],
|
||
|
|
["\\*", "return 'STAR'"],
|
||
|
|
[dict.identifier, "return 'IDENTIFIER'"],
|
||
|
|
["\\[", "return '['"],
|
||
|
|
["\\]", "return ']'"],
|
||
|
|
[",", "return ','"],
|
||
|
|
["({int})?\\:({int})?(\\:({int})?)?", "return 'ARRAY_SLICE'"],
|
||
|
|
["{int}", "return 'INTEGER'"],
|
||
|
|
[dict.qq_string, "yytext = yytext.substr(1,yyleng-2); return 'QQ_STRING';"],
|
||
|
|
[dict.q_string, "yytext = yytext.substr(1,yyleng-2); return 'Q_STRING';"],
|
||
|
|
["\\(.+?\\)(?=\\])", "return 'SCRIPT_EXPRESSION'"],
|
||
|
|
["\\?\\(.+?\\)(?=\\])", "return 'FILTER_EXPRESSION'"]
|
||
|
|
]
|
||
|
|
},
|
||
|
|
|
||
|
|
start: "JSON_PATH",
|
||
|
|
|
||
|
|
bnf: {
|
||
|
|
|
||
|
|
JSON_PATH: [
|
||
|
|
[ 'DOLLAR', 'yy.ast.set({ expression: { type: "root", value: $1 } }); yy.ast.unshift(); return yy.ast.yield()' ],
|
||
|
|
[ 'DOLLAR PATH_COMPONENTS', 'yy.ast.set({ expression: { type: "root", value: $1 } }); yy.ast.unshift(); return yy.ast.yield()' ],
|
||
|
|
[ 'LEADING_CHILD_MEMBER_EXPRESSION', 'yy.ast.unshift(); return yy.ast.yield()' ],
|
||
|
|
[ 'LEADING_CHILD_MEMBER_EXPRESSION PATH_COMPONENTS', 'yy.ast.set({ operation: "member", scope: "child", expression: { type: "identifier", value: $1 }}); yy.ast.unshift(); return yy.ast.yield()' ] ],
|
||
|
|
|
||
|
|
PATH_COMPONENTS: [
|
||
|
|
[ 'PATH_COMPONENT', '' ],
|
||
|
|
[ 'PATH_COMPONENTS PATH_COMPONENT', '' ] ],
|
||
|
|
|
||
|
|
PATH_COMPONENT: [
|
||
|
|
[ 'MEMBER_COMPONENT', 'yy.ast.set({ operation: "member" }); yy.ast.push()' ],
|
||
|
|
[ 'SUBSCRIPT_COMPONENT', 'yy.ast.set({ operation: "subscript" }); yy.ast.push() ' ] ],
|
||
|
|
|
||
|
|
MEMBER_COMPONENT: [
|
||
|
|
[ 'CHILD_MEMBER_COMPONENT', 'yy.ast.set({ scope: "child" })' ],
|
||
|
|
[ 'DESCENDANT_MEMBER_COMPONENT', 'yy.ast.set({ scope: "descendant" })' ] ],
|
||
|
|
|
||
|
|
CHILD_MEMBER_COMPONENT: [
|
||
|
|
[ 'DOT MEMBER_EXPRESSION', '' ] ],
|
||
|
|
|
||
|
|
LEADING_CHILD_MEMBER_EXPRESSION: [
|
||
|
|
[ 'MEMBER_EXPRESSION', 'yy.ast.set({ scope: "child", operation: "member" })' ] ],
|
||
|
|
|
||
|
|
DESCENDANT_MEMBER_COMPONENT: [
|
||
|
|
[ 'DOT_DOT MEMBER_EXPRESSION', '' ] ],
|
||
|
|
|
||
|
|
MEMBER_EXPRESSION: [
|
||
|
|
[ 'STAR', 'yy.ast.set({ expression: { type: "wildcard", value: $1 } })' ],
|
||
|
|
[ 'IDENTIFIER', 'yy.ast.set({ expression: { type: "identifier", value: $1 } })' ],
|
||
|
|
[ 'SCRIPT_EXPRESSION', 'yy.ast.set({ expression: { type: "script_expression", value: $1 } })' ],
|
||
|
|
[ 'INTEGER', 'yy.ast.set({ expression: { type: "numeric_literal", value: parseInt($1) } })' ],
|
||
|
|
[ 'END', '' ] ],
|
||
|
|
|
||
|
|
SUBSCRIPT_COMPONENT: [
|
||
|
|
[ 'CHILD_SUBSCRIPT_COMPONENT', 'yy.ast.set({ scope: "child" })' ],
|
||
|
|
[ 'DESCENDANT_SUBSCRIPT_COMPONENT', 'yy.ast.set({ scope: "descendant" })' ] ],
|
||
|
|
|
||
|
|
CHILD_SUBSCRIPT_COMPONENT: [
|
||
|
|
[ '[ SUBSCRIPT ]', '' ] ],
|
||
|
|
|
||
|
|
DESCENDANT_SUBSCRIPT_COMPONENT: [
|
||
|
|
[ 'DOT_DOT [ SUBSCRIPT ]', '' ] ],
|
||
|
|
|
||
|
|
SUBSCRIPT: [
|
||
|
|
[ 'SUBSCRIPT_EXPRESSION', '' ],
|
||
|
|
[ 'SUBSCRIPT_EXPRESSION_LIST', '$1.length > 1? yy.ast.set({ expression: { type: "union", value: $1 } }) : $$ = $1' ] ],
|
||
|
|
|
||
|
|
SUBSCRIPT_EXPRESSION_LIST: [
|
||
|
|
[ 'SUBSCRIPT_EXPRESSION_LISTABLE', '$$ = [$1]'],
|
||
|
|
[ 'SUBSCRIPT_EXPRESSION_LIST , SUBSCRIPT_EXPRESSION_LISTABLE', '$$ = $1.concat($3)' ] ],
|
||
|
|
|
||
|
|
SUBSCRIPT_EXPRESSION_LISTABLE: [
|
||
|
|
[ 'INTEGER', '$$ = { expression: { type: "numeric_literal", value: parseInt($1) } }; yy.ast.set($$)' ],
|
||
|
|
[ 'STRING_LITERAL', '$$ = { expression: { type: "string_literal", value: $1 } }; yy.ast.set($$)' ],
|
||
|
|
[ 'ARRAY_SLICE', '$$ = { expression: { type: "slice", value: $1 } }; yy.ast.set($$)' ] ],
|
||
|
|
|
||
|
|
SUBSCRIPT_EXPRESSION: [
|
||
|
|
[ 'STAR', '$$ = { expression: { type: "wildcard", value: $1 } }; yy.ast.set($$)' ],
|
||
|
|
[ 'SCRIPT_EXPRESSION', '$$ = { expression: { type: "script_expression", value: $1 } }; yy.ast.set($$)' ],
|
||
|
|
[ 'FILTER_EXPRESSION', '$$ = { expression: { type: "filter_expression", value: $1 } }; yy.ast.set($$)' ] ],
|
||
|
|
|
||
|
|
STRING_LITERAL: [
|
||
|
|
[ 'QQ_STRING', "$$ = $1" ],
|
||
|
|
[ 'Q_STRING', "$$ = $1" ] ]
|
||
|
|
}
|
||
|
|
};
|
||
|
|
if (fs.readFileSync) {
|
||
|
|
grammar.moduleInclude = fs.readFileSync(require.resolve("../include/module.js"));
|
||
|
|
grammar.actionInclude = fs.readFileSync(require.resolve("../include/action.js"));
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = grammar;
|
||
|
|
|
||
|
|
},{"./dict":2,"fs":12}],4:[function(require,module,exports){
|
||
|
|
var aesprim = require('./aesprim');
|
||
|
|
var slice = require('./slice');
|
||
|
|
var _evaluate = require('static-eval');
|
||
|
|
var _uniq = require('underscore').uniq;
|
||
|
|
|
||
|
|
var Handlers = function() {
|
||
|
|
return this.initialize.apply(this, arguments);
|
||
|
|
}
|
||
|
|
|
||
|
|
Handlers.prototype.initialize = function() {
|
||
|
|
this.traverse = traverser(true);
|
||
|
|
this.descend = traverser();
|
||
|
|
}
|
||
|
|
|
||
|
|
Handlers.prototype.keys = Object.keys;
|
||
|
|
|
||
|
|
Handlers.prototype.resolve = function(component) {
|
||
|
|
|
||
|
|
var key = [ component.operation, component.scope, component.expression.type ].join('-');
|
||
|
|
var method = this._fns[key];
|
||
|
|
|
||
|
|
if (!method) throw new Error("couldn't resolve key: " + key);
|
||
|
|
return method.bind(this);
|
||
|
|
};
|
||
|
|
|
||
|
|
Handlers.prototype.register = function(key, handler) {
|
||
|
|
|
||
|
|
if (!handler instanceof Function) {
|
||
|
|
throw new Error("handler must be a function");
|
||
|
|
}
|
||
|
|
|
||
|
|
this._fns[key] = handler;
|
||
|
|
};
|
||
|
|
|
||
|
|
Handlers.prototype._fns = {
|
||
|
|
|
||
|
|
'member-child-identifier': function(component, partial) {
|
||
|
|
var key = component.expression.value;
|
||
|
|
var value = partial.value;
|
||
|
|
if (value instanceof Object && key in value) {
|
||
|
|
return [ { value: value[key], path: partial.path.concat(key) } ]
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
'member-descendant-identifier':
|
||
|
|
_traverse(function(key, value, ref) { return key == ref }),
|
||
|
|
|
||
|
|
'subscript-child-numeric_literal':
|
||
|
|
_descend(function(key, value, ref) { return key === ref }),
|
||
|
|
|
||
|
|
'member-child-numeric_literal':
|
||
|
|
_descend(function(key, value, ref) { return String(key) === String(ref) }),
|
||
|
|
|
||
|
|
'subscript-descendant-numeric_literal':
|
||
|
|
_traverse(function(key, value, ref) { return key === ref }),
|
||
|
|
|
||
|
|
'member-child-wildcard':
|
||
|
|
_descend(function() { return true }),
|
||
|
|
|
||
|
|
'member-descendant-wildcard':
|
||
|
|
_traverse(function() { return true }),
|
||
|
|
|
||
|
|
'subscript-descendant-wildcard':
|
||
|
|
_traverse(function() { return true }),
|
||
|
|
|
||
|
|
'subscript-child-wildcard':
|
||
|
|
_descend(function() { return true }),
|
||
|
|
|
||
|
|
'subscript-child-slice': function(component, partial) {
|
||
|
|
if (is_array(partial.value)) {
|
||
|
|
var args = component.expression.value.split(':').map(_parse_nullable_int);
|
||
|
|
var values = partial.value.map(function(v, i) { return { value: v, path: partial.path.concat(i) } });
|
||
|
|
return slice.apply(null, [values].concat(args));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
'subscript-child-union': function(component, partial) {
|
||
|
|
var results = [];
|
||
|
|
component.expression.value.forEach(function(component) {
|
||
|
|
var _component = { operation: 'subscript', scope: 'child', expression: component.expression };
|
||
|
|
var handler = this.resolve(_component);
|
||
|
|
var _results = handler(_component, partial);
|
||
|
|
if (_results) {
|
||
|
|
results = results.concat(_results);
|
||
|
|
}
|
||
|
|
}, this);
|
||
|
|
|
||
|
|
return unique(results);
|
||
|
|
},
|
||
|
|
|
||
|
|
'subscript-descendant-union': function(component, partial, count) {
|
||
|
|
|
||
|
|
var jp = require('..');
|
||
|
|
var self = this;
|
||
|
|
|
||
|
|
var results = [];
|
||
|
|
var nodes = jp.nodes(partial, '$..*').slice(1);
|
||
|
|
|
||
|
|
nodes.forEach(function(node) {
|
||
|
|
if (results.length >= count) return;
|
||
|
|
component.expression.value.forEach(function(component) {
|
||
|
|
var _component = { operation: 'subscript', scope: 'child', expression: component.expression };
|
||
|
|
var handler = self.resolve(_component);
|
||
|
|
var _results = handler(_component, node);
|
||
|
|
results = results.concat(_results);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
return unique(results);
|
||
|
|
},
|
||
|
|
|
||
|
|
'subscript-child-filter_expression': function(component, partial, count) {
|
||
|
|
|
||
|
|
// slice out the expression from ?(expression)
|
||
|
|
var src = component.expression.value.slice(2, -1);
|
||
|
|
var ast = aesprim.parse(src).body[0].expression;
|
||
|
|
|
||
|
|
var passable = function(key, value) {
|
||
|
|
return evaluate(ast, { '@': value });
|
||
|
|
}
|
||
|
|
|
||
|
|
return this.descend(partial, null, passable, count);
|
||
|
|
|
||
|
|
},
|
||
|
|
|
||
|
|
'subscript-descendant-filter_expression': function(component, partial, count) {
|
||
|
|
|
||
|
|
// slice out the expression from ?(expression)
|
||
|
|
var src = component.expression.value.slice(2, -1);
|
||
|
|
var ast = aesprim.parse(src).body[0].expression;
|
||
|
|
|
||
|
|
var passable = function(key, value) {
|
||
|
|
return evaluate(ast, { '@': value });
|
||
|
|
}
|
||
|
|
|
||
|
|
return this.traverse(partial, null, passable, count);
|
||
|
|
},
|
||
|
|
|
||
|
|
'subscript-child-script_expression': function(component, partial) {
|
||
|
|
var exp = component.expression.value.slice(1, -1);
|
||
|
|
return eval_recurse(partial, exp, '$[{{value}}]');
|
||
|
|
},
|
||
|
|
|
||
|
|
'member-child-script_expression': function(component, partial) {
|
||
|
|
var exp = component.expression.value.slice(1, -1);
|
||
|
|
return eval_recurse(partial, exp, '$.{{value}}');
|
||
|
|
},
|
||
|
|
|
||
|
|
'member-descendant-script_expression': function(component, partial) {
|
||
|
|
var exp = component.expression.value.slice(1, -1);
|
||
|
|
return eval_recurse(partial, exp, '$..value');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
Handlers.prototype._fns['subscript-child-string_literal'] =
|
||
|
|
Handlers.prototype._fns['member-child-identifier'];
|
||
|
|
|
||
|
|
Handlers.prototype._fns['member-descendant-numeric_literal'] =
|
||
|
|
Handlers.prototype._fns['subscript-descendant-string_literal'] =
|
||
|
|
Handlers.prototype._fns['member-descendant-identifier'];
|
||
|
|
|
||
|
|
function eval_recurse(partial, src, template) {
|
||
|
|
|
||
|
|
var jp = require('./index');
|
||
|
|
var ast = aesprim.parse(src).body[0].expression;
|
||
|
|
var value = evaluate(ast, { '@': partial.value });
|
||
|
|
var path = template.replace(/\{\{\s*value\s*\}\}/g, value);
|
||
|
|
|
||
|
|
var results = jp.nodes(partial.value, path);
|
||
|
|
results.forEach(function(r) {
|
||
|
|
r.path = partial.path.concat(r.path.slice(1));
|
||
|
|
});
|
||
|
|
|
||
|
|
return results;
|
||
|
|
}
|
||
|
|
|
||
|
|
function is_array(val) {
|
||
|
|
return Array.isArray(val);
|
||
|
|
}
|
||
|
|
|
||
|
|
function is_object(val) {
|
||
|
|
// is this a non-array, non-null object?
|
||
|
|
return val && !(val instanceof Array) && val instanceof Object;
|
||
|
|
}
|
||
|
|
|
||
|
|
function traverser(recurse) {
|
||
|
|
|
||
|
|
return function(partial, ref, passable, count) {
|
||
|
|
|
||
|
|
var value = partial.value;
|
||
|
|
var path = partial.path;
|
||
|
|
|
||
|
|
var results = [];
|
||
|
|
|
||
|
|
var descend = function(value, path) {
|
||
|
|
|
||
|
|
if (is_array(value)) {
|
||
|
|
value.forEach(function(element, index) {
|
||
|
|
if (results.length >= count) { return }
|
||
|
|
if (passable(index, element, ref)) {
|
||
|
|
results.push({ path: path.concat(index), value: element });
|
||
|
|
}
|
||
|
|
});
|
||
|
|
value.forEach(function(element, index) {
|
||
|
|
if (results.length >= count) { return }
|
||
|
|
if (recurse) {
|
||
|
|
descend(element, path.concat(index));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
} else if (is_object(value)) {
|
||
|
|
this.keys(value).forEach(function(k) {
|
||
|
|
if (results.length >= count) { return }
|
||
|
|
if (passable(k, value[k], ref)) {
|
||
|
|
results.push({ path: path.concat(k), value: value[k] });
|
||
|
|
}
|
||
|
|
})
|
||
|
|
this.keys(value).forEach(function(k) {
|
||
|
|
if (results.length >= count) { return }
|
||
|
|
if (recurse) {
|
||
|
|
descend(value[k], path.concat(k));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}.bind(this);
|
||
|
|
descend(value, path);
|
||
|
|
return results;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function _descend(passable) {
|
||
|
|
return function(component, partial, count) {
|
||
|
|
return this.descend(partial, component.expression.value, passable, count);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function _traverse(passable) {
|
||
|
|
return function(component, partial, count) {
|
||
|
|
return this.traverse(partial, component.expression.value, passable, count);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function evaluate() {
|
||
|
|
try { return _evaluate.apply(this, arguments) }
|
||
|
|
catch (e) { }
|
||
|
|
}
|
||
|
|
|
||
|
|
function unique(results) {
|
||
|
|
results = results.filter(function(d) { return d })
|
||
|
|
return _uniq(
|
||
|
|
results,
|
||
|
|
function(r) { return r.path.map(function(c) { return String(c).replace('-', '--') }).join('-') }
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
function _parse_nullable_int(val) {
|
||
|
|
var sval = String(val);
|
||
|
|
return sval.match(/^-?[0-9]+$/) ? parseInt(sval) : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = Handlers;
|
||
|
|
|
||
|
|
},{"..":"jsonpath","./aesprim":"./aesprim","./index":5,"./slice":7,"static-eval":15,"underscore":12}],5:[function(require,module,exports){
|
||
|
|
var assert = require('assert');
|
||
|
|
var dict = require('./dict');
|
||
|
|
var Parser = require('./parser');
|
||
|
|
var Handlers = require('./handlers');
|
||
|
|
|
||
|
|
var JSONPath = function() {
|
||
|
|
this.initialize.apply(this, arguments);
|
||
|
|
};
|
||
|
|
|
||
|
|
JSONPath.prototype.initialize = function() {
|
||
|
|
this.parser = new Parser();
|
||
|
|
this.handlers = new Handlers();
|
||
|
|
};
|
||
|
|
|
||
|
|
JSONPath.prototype.parse = function(string) {
|
||
|
|
assert.ok(_is_string(string), "we need a path");
|
||
|
|
return this.parser.parse(string);
|
||
|
|
};
|
||
|
|
|
||
|
|
JSONPath.prototype.parent = function(obj, string) {
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(string, "we need a path");
|
||
|
|
|
||
|
|
var node = this.nodes(obj, string)[0];
|
||
|
|
var key = node.path.pop(); /* jshint unused:false */
|
||
|
|
return this.value(obj, node.path);
|
||
|
|
}
|
||
|
|
|
||
|
|
JSONPath.prototype.apply = function(obj, string, fn) {
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(string, "we need a path");
|
||
|
|
assert.equal(typeof fn, "function", "fn needs to be function")
|
||
|
|
|
||
|
|
var nodes = this.nodes(obj, string).sort(function(a, b) {
|
||
|
|
// sort nodes so we apply from the bottom up
|
||
|
|
return b.path.length - a.path.length;
|
||
|
|
});
|
||
|
|
|
||
|
|
nodes.forEach(function(node) {
|
||
|
|
var key = node.path.pop();
|
||
|
|
var parent = this.value(obj, this.stringify(node.path));
|
||
|
|
var val = node.value = fn.call(obj, parent[key]);
|
||
|
|
parent[key] = val;
|
||
|
|
}, this);
|
||
|
|
|
||
|
|
return nodes;
|
||
|
|
}
|
||
|
|
|
||
|
|
JSONPath.prototype.value = function(obj, path, value) {
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(path, "we need a path");
|
||
|
|
|
||
|
|
if (arguments.length >= 3) {
|
||
|
|
var node = this.nodes(obj, path).shift();
|
||
|
|
if (!node) return this._vivify(obj, path, value);
|
||
|
|
var key = node.path.slice(-1).shift();
|
||
|
|
var parent = this.parent(obj, this.stringify(node.path));
|
||
|
|
parent[key] = value;
|
||
|
|
}
|
||
|
|
return this.query(obj, this.stringify(path), 1).shift();
|
||
|
|
}
|
||
|
|
|
||
|
|
JSONPath.prototype._vivify = function(obj, string, value) {
|
||
|
|
|
||
|
|
var self = this;
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(string, "we need a path");
|
||
|
|
|
||
|
|
var path = this.parser.parse(string)
|
||
|
|
.map(function(component) { return component.expression.value });
|
||
|
|
|
||
|
|
var setValue = function(path, value) {
|
||
|
|
var key = path.pop();
|
||
|
|
var node = self.value(obj, path);
|
||
|
|
if (!node) {
|
||
|
|
setValue(path.concat(), typeof key === 'string' ? {} : []);
|
||
|
|
node = self.value(obj, path);
|
||
|
|
}
|
||
|
|
node[key] = value;
|
||
|
|
}
|
||
|
|
setValue(path, value);
|
||
|
|
return this.query(obj, string)[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
JSONPath.prototype.query = function(obj, string, count) {
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(_is_string(string), "we need a path");
|
||
|
|
|
||
|
|
var results = this.nodes(obj, string, count)
|
||
|
|
.map(function(r) { return r.value });
|
||
|
|
|
||
|
|
return results;
|
||
|
|
};
|
||
|
|
|
||
|
|
JSONPath.prototype.paths = function(obj, string, count) {
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(string, "we need a path");
|
||
|
|
|
||
|
|
var results = this.nodes(obj, string, count)
|
||
|
|
.map(function(r) { return r.path });
|
||
|
|
|
||
|
|
return results;
|
||
|
|
};
|
||
|
|
|
||
|
|
JSONPath.prototype.nodes = function(obj, string, count) {
|
||
|
|
|
||
|
|
assert.ok(obj instanceof Object, "obj needs to be an object");
|
||
|
|
assert.ok(string, "we need a path");
|
||
|
|
|
||
|
|
if (count === 0) return [];
|
||
|
|
|
||
|
|
var path = this.parser.parse(string);
|
||
|
|
var handlers = this.handlers;
|
||
|
|
|
||
|
|
var partials = [ { path: ['$'], value: obj } ];
|
||
|
|
var matches = [];
|
||
|
|
|
||
|
|
if (path.length && path[0].expression.type == 'root') path.shift();
|
||
|
|
|
||
|
|
if (!path.length) return partials;
|
||
|
|
|
||
|
|
path.forEach(function(component, index) {
|
||
|
|
|
||
|
|
if (matches.length >= count) return;
|
||
|
|
var handler = handlers.resolve(component);
|
||
|
|
var _partials = [];
|
||
|
|
|
||
|
|
partials.forEach(function(p) {
|
||
|
|
|
||
|
|
if (matches.length >= count) return;
|
||
|
|
var results = handler(component, p, count);
|
||
|
|
|
||
|
|
if (index == path.length - 1) {
|
||
|
|
// if we're through the components we're done
|
||
|
|
matches = matches.concat(results || []);
|
||
|
|
} else {
|
||
|
|
// otherwise accumulate and carry on through
|
||
|
|
_partials = _partials.concat(results || []);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
partials = _partials;
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
return count ? matches.slice(0, count) : matches;
|
||
|
|
};
|
||
|
|
|
||
|
|
JSONPath.prototype.stringify = function(path) {
|
||
|
|
|
||
|
|
assert.ok(path, "we need a path");
|
||
|
|
|
||
|
|
var string = '$';
|
||
|
|
|
||
|
|
var templates = {
|
||
|
|
'descendant-member': '..{{value}}',
|
||
|
|
'child-member': '.{{value}}',
|
||
|
|
'descendant-subscript': '..[{{value}}]',
|
||
|
|
'child-subscript': '[{{value}}]'
|
||
|
|
};
|
||
|
|
|
||
|
|
path = this._normalize(path);
|
||
|
|
|
||
|
|
path.forEach(function(component) {
|
||
|
|
|
||
|
|
if (component.expression.type == 'root') return;
|
||
|
|
|
||
|
|
var key = [component.scope, component.operation].join('-');
|
||
|
|
var template = templates[key];
|
||
|
|
var value;
|
||
|
|
|
||
|
|
if (component.expression.type == 'string_literal') {
|
||
|
|
value = JSON.stringify(component.expression.value)
|
||
|
|
} else {
|
||
|
|
value = component.expression.value;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!template) throw new Error("couldn't find template " + key);
|
||
|
|
|
||
|
|
string += template.replace(/{{value}}/, value);
|
||
|
|
});
|
||
|
|
|
||
|
|
return string;
|
||
|
|
}
|
||
|
|
|
||
|
|
JSONPath.prototype._normalize = function(path) {
|
||
|
|
|
||
|
|
assert.ok(path, "we need a path");
|
||
|
|
|
||
|
|
if (typeof path == "string") {
|
||
|
|
|
||
|
|
return this.parser.parse(path);
|
||
|
|
|
||
|
|
} else if (Array.isArray(path) && typeof path[0] == "string") {
|
||
|
|
|
||
|
|
var _path = [ { expression: { type: "root", value: "$" } } ];
|
||
|
|
|
||
|
|
path.forEach(function(component, index) {
|
||
|
|
|
||
|
|
if (component == '$' && index === 0) return;
|
||
|
|
|
||
|
|
if (typeof component == "string" && component.match("^" + dict.identifier + "$")) {
|
||
|
|
|
||
|
|
_path.push({
|
||
|
|
operation: 'member',
|
||
|
|
scope: 'child',
|
||
|
|
expression: { value: component, type: 'identifier' }
|
||
|
|
});
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
var type = typeof component == "number" ?
|
||
|
|
'numeric_literal' : 'string_literal';
|
||
|
|
|
||
|
|
_path.push({
|
||
|
|
operation: 'subscript',
|
||
|
|
scope: 'child',
|
||
|
|
expression: { value: component, type: type }
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return _path;
|
||
|
|
|
||
|
|
} else if (Array.isArray(path) && typeof path[0] == "object") {
|
||
|
|
|
||
|
|
return path
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new Error("couldn't understand path " + path);
|
||
|
|
}
|
||
|
|
|
||
|
|
function _is_string(obj) {
|
||
|
|
return Object.prototype.toString.call(obj) == '[object String]';
|
||
|
|
}
|
||
|
|
|
||
|
|
JSONPath.Handlers = Handlers;
|
||
|
|
JSONPath.Parser = Parser;
|
||
|
|
|
||
|
|
var instance = new JSONPath;
|
||
|
|
instance.JSONPath = JSONPath;
|
||
|
|
|
||
|
|
module.exports = instance;
|
||
|
|
|
||
|
|
},{"./dict":2,"./handlers":4,"./parser":6,"assert":8}],6:[function(require,module,exports){
|
||
|
|
var grammar = require('./grammar');
|
||
|
|
var gparser = require('../generated/parser');
|
||
|
|
|
||
|
|
var Parser = function() {
|
||
|
|
|
||
|
|
var parser = new gparser.Parser();
|
||
|
|
|
||
|
|
var _parseError = parser.parseError;
|
||
|
|
parser.yy.parseError = function() {
|
||
|
|
if (parser.yy.ast) {
|
||
|
|
parser.yy.ast.initialize();
|
||
|
|
}
|
||
|
|
_parseError.apply(parser, arguments);
|
||
|
|
}
|
||
|
|
|
||
|
|
return parser;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
Parser.grammar = grammar;
|
||
|
|
module.exports = Parser;
|
||
|
|
|
||
|
|
},{"../generated/parser":1,"./grammar":3}],7:[function(require,module,exports){
|
||
|
|
module.exports = function(arr, start, end, step) {
|
||
|
|
|
||
|
|
if (typeof start == 'string') throw new Error("start cannot be a string");
|
||
|
|
if (typeof end == 'string') throw new Error("end cannot be a string");
|
||
|
|
if (typeof step == 'string') throw new Error("step cannot be a string");
|
||
|
|
|
||
|
|
var len = arr.length;
|
||
|
|
|
||
|
|
if (step === 0) throw new Error("step cannot be zero");
|
||
|
|
step = step ? integer(step) : 1;
|
||
|
|
|
||
|
|
// normalize negative values
|
||
|
|
start = start < 0 ? len + start : start;
|
||
|
|
end = end < 0 ? len + end : end;
|
||
|
|
|
||
|
|
// default extents to extents
|
||
|
|
start = integer(start === 0 ? 0 : !start ? (step > 0 ? 0 : len - 1) : start);
|
||
|
|
end = integer(end === 0 ? 0 : !end ? (step > 0 ? len : -1) : end);
|
||
|
|
|
||
|
|
// clamp extents
|
||
|
|
start = step > 0 ? Math.max(0, start) : Math.min(len, start);
|
||
|
|
end = step > 0 ? Math.min(end, len) : Math.max(-1, end);
|
||
|
|
|
||
|
|
// return empty if extents are backwards
|
||
|
|
if (step > 0 && end <= start) return [];
|
||
|
|
if (step < 0 && start <= end) return [];
|
||
|
|
|
||
|
|
var result = [];
|
||
|
|
|
||
|
|
for (var i = start; i != end; i += step) {
|
||
|
|
if ((step < 0 && i <= end) || (step > 0 && i >= end)) break;
|
||
|
|
result.push(arr[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
function integer(val) {
|
||
|
|
return String(val).match(/^[0-9]+$/) ? parseInt(val) :
|
||
|
|
Number.isFinite(val) ? parseInt(val, 10) : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
},{}],8:[function(require,module,exports){
|
||
|
|
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
|
||
|
|
//
|
||
|
|
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
|
||
|
|
//
|
||
|
|
// Originally from narwhal.js (http://narwhaljs.org)
|
||
|
|
// Copyright (c) 2009 Thomas Robinson <280north.com>
|
||
|
|
//
|
||
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
// of this software and associated documentation files (the 'Software'), to
|
||
|
|
// deal in the Software without restriction, including without limitation the
|
||
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
||
|
|
// furnished to do so, subject to the following conditions:
|
||
|
|
//
|
||
|
|
// The above copyright notice and this permission notice shall be included in
|
||
|
|
// all copies or substantial portions of the Software.
|
||
|
|
//
|
||
|
|
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||
|
|
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
|
||
|
|
// when used in node, this will actually load the util module we depend on
|
||
|
|
// versus loading the builtin util module as happens otherwise
|
||
|
|
// this is a bug in node module loading as far as I am concerned
|
||
|
|
var util = require('util/');
|
||
|
|
|
||
|
|
var pSlice = Array.prototype.slice;
|
||
|
|
var hasOwn = Object.prototype.hasOwnProperty;
|
||
|
|
|
||
|
|
// 1. The assert module provides functions that throw
|
||
|
|
// AssertionError's when particular conditions are not met. The
|
||
|
|
// assert module must conform to the following interface.
|
||
|
|
|
||
|
|
var assert = module.exports = ok;
|
||
|
|
|
||
|
|
// 2. The AssertionError is defined in assert.
|
||
|
|
// new assert.AssertionError({ message: message,
|
||
|
|
// actual: actual,
|
||
|
|
// expected: expected })
|
||
|
|
|
||
|
|
assert.AssertionError = function AssertionError(options) {
|
||
|
|
this.name = 'AssertionError';
|
||
|
|
this.actual = options.actual;
|
||
|
|
this.expected = options.expected;
|
||
|
|
this.operator = options.operator;
|
||
|
|
if (options.message) {
|
||
|
|
this.message = options.message;
|
||
|
|
this.generatedMessage = false;
|
||
|
|
} else {
|
||
|
|
this.message = getMessage(this);
|
||
|
|
this.generatedMessage = true;
|
||
|
|
}
|
||
|
|
var stackStartFunction = options.stackStartFunction || fail;
|
||
|
|
|
||
|
|
if (Error.captureStackTrace) {
|
||
|
|
Error.captureStackTrace(this, stackStartFunction);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
// non v8 browsers so we can have a stacktrace
|
||
|
|
var err = new Error();
|
||
|
|
if (err.stack) {
|
||
|
|
var out = err.stack;
|
||
|
|
|
||
|
|
// try to strip useless frames
|
||
|
|
var fn_name = stackStartFunction.name;
|
||
|
|
var idx = out.indexOf('\n' + fn_name);
|
||
|
|
if (idx >= 0) {
|
||
|
|
// once we have located the function frame
|
||
|
|
// we need to strip out everything before it (and its line)
|
||
|
|
var next_line = out.indexOf('\n', idx + 1);
|
||
|
|
out = out.substring(next_line + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
this.stack = out;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// assert.AssertionError instanceof Error
|
||
|
|
util.inherits(assert.AssertionError, Error);
|
||
|
|
|
||
|
|
function replacer(key, value) {
|
||
|
|
if (util.isUndefined(value)) {
|
||
|
|
return '' + value;
|
||
|
|
}
|
||
|
|
if (util.isNumber(value) && !isFinite(value)) {
|
||
|
|
return value.toString();
|
||
|
|
}
|
||
|
|
if (util.isFunction(value) || util.isRegExp(value)) {
|
||
|
|
return value.toString();
|
||
|
|
}
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
function truncate(s, n) {
|
||
|
|
if (util.isString(s)) {
|
||
|
|
return s.length < n ? s : s.slice(0, n);
|
||
|
|
} else {
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function getMessage(self) {
|
||
|
|
return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
|
||
|
|
self.operator + ' ' +
|
||
|
|
truncate(JSON.stringify(self.expected, replacer), 128);
|
||
|
|
}
|
||
|
|
|
||
|
|
// At present only the three keys mentioned above are used and
|
||
|
|
// understood by the spec. Implementations or sub modules can pass
|
||
|
|
// other keys to the AssertionError's constructor - they will be
|
||
|
|
// ignored.
|
||
|
|
|
||
|
|
// 3. All of the following functions must throw an AssertionError
|
||
|
|
// when a corresponding condition is not met, with a message that
|
||
|
|
// may be undefined if not provided. All assertion methods provide
|
||
|
|
// both the actual and expected values to the assertion error for
|
||
|
|
// display purposes.
|
||
|
|
|
||
|
|
function fail(actual, expected, message, operator, stackStartFunction) {
|
||
|
|
throw new assert.AssertionError({
|
||
|
|
message: message,
|
||
|
|
actual: actual,
|
||
|
|
expected: expected,
|
||
|
|
operator: operator,
|
||
|
|
stackStartFunction: stackStartFunction
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// EXTENSION! allows for well behaved errors defined elsewhere.
|
||
|
|
assert.fail = fail;
|
||
|
|
|
||
|
|
// 4. Pure assertion tests whether a value is truthy, as determined
|
||
|
|
// by !!guard.
|
||
|
|
// assert.ok(guard, message_opt);
|
||
|
|
// This statement is equivalent to assert.equal(true, !!guard,
|
||
|
|
// message_opt);. To test strictly for the value true, use
|
||
|
|
// assert.strictEqual(true, guard, message_opt);.
|
||
|
|
|
||
|
|
function ok(value, message) {
|
||
|
|
if (!value) fail(value, true, message, '==', assert.ok);
|
||
|
|
}
|
||
|
|
assert.ok = ok;
|
||
|
|
|
||
|
|
// 5. The equality assertion tests shallow, coercive equality with
|
||
|
|
// ==.
|
||
|
|
// assert.equal(actual, expected, message_opt);
|
||
|
|
|
||
|
|
assert.equal = function equal(actual, expected, message) {
|
||
|
|
if (actual != expected) fail(actual, expected, message, '==', assert.equal);
|
||
|
|
};
|
||
|
|
|
||
|
|
// 6. The non-equality assertion tests for whether two objects are not equal
|
||
|
|
// with != assert.notEqual(actual, expected, message_opt);
|
||
|
|
|
||
|
|
assert.notEqual = function notEqual(actual, expected, message) {
|
||
|
|
if (actual == expected) {
|
||
|
|
fail(actual, expected, message, '!=', assert.notEqual);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// 7. The equivalence assertion tests a deep equality relation.
|
||
|
|
// assert.deepEqual(actual, expected, message_opt);
|
||
|
|
|
||
|
|
assert.deepEqual = function deepEqual(actual, expected, message) {
|
||
|
|
if (!_deepEqual(actual, expected)) {
|
||
|
|
fail(actual, expected, message, 'deepEqual', assert.deepEqual);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function _deepEqual(actual, expected) {
|
||
|
|
// 7.1. All identical values are equivalent, as determined by ===.
|
||
|
|
if (actual === expected) {
|
||
|
|
return true;
|
||
|
|
|
||
|
|
} else if (util.isBuffer(actual) && util.isBuffer(expected)) {
|
||
|
|
if (actual.length != expected.length) return false;
|
||
|
|
|
||
|
|
for (var i = 0; i < actual.length; i++) {
|
||
|
|
if (actual[i] !== expected[i]) return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
|
||
|
|
// 7.2. If the expected value is a Date object, the actual value is
|
||
|
|
// equivalent if it is also a Date object that refers to the same time.
|
||
|
|
} else if (util.isDate(actual) && util.isDate(expected)) {
|
||
|
|
return actual.getTime() === expected.getTime();
|
||
|
|
|
||
|
|
// 7.3 If the expected value is a RegExp object, the actual value is
|
||
|
|
// equivalent if it is also a RegExp object with the same source and
|
||
|
|
// properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
|
||
|
|
} else if (util.isRegExp(actual) && util.isRegExp(expected)) {
|
||
|
|
return actual.source === expected.source &&
|
||
|
|
actual.global === expected.global &&
|
||
|
|
actual.multiline === expected.multiline &&
|
||
|
|
actual.lastIndex === expected.lastIndex &&
|
||
|
|
actual.ignoreCase === expected.ignoreCase;
|
||
|
|
|
||
|
|
// 7.4. Other pairs that do not both pass typeof value == 'object',
|
||
|
|
// equivalence is determined by ==.
|
||
|
|
} else if (!util.isObject(actual) && !util.isObject(expected)) {
|
||
|
|
return actual == expected;
|
||
|
|
|
||
|
|
// 7.5 For all other Object pairs, including Array objects, equivalence is
|
||
|
|
// determined by having the same number of owned properties (as verified
|
||
|
|
// with Object.prototype.hasOwnProperty.call), the same set of keys
|
||
|
|
// (although not necessarily the same order), equivalent values for every
|
||
|
|
// corresponding key, and an identical 'prototype' property. Note: this
|
||
|
|
// accounts for both named and indexed properties on Arrays.
|
||
|
|
} else {
|
||
|
|
return objEquiv(actual, expected);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function isArguments(object) {
|
||
|
|
return Object.prototype.toString.call(object) == '[object Arguments]';
|
||
|
|
}
|
||
|
|
|
||
|
|
function objEquiv(a, b) {
|
||
|
|
if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
|
||
|
|
return false;
|
||
|
|
// an identical 'prototype' property.
|
||
|
|
if (a.prototype !== b.prototype) return false;
|
||
|
|
// if one is a primitive, the other must be same
|
||
|
|
if (util.isPrimitive(a) || util.isPrimitive(b)) {
|
||
|
|
return a === b;
|
||
|
|
}
|
||
|
|
var aIsArgs = isArguments(a),
|
||
|
|
bIsArgs = isArguments(b);
|
||
|
|
if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
|
||
|
|
return false;
|
||
|
|
if (aIsArgs) {
|
||
|
|
a = pSlice.call(a);
|
||
|
|
b = pSlice.call(b);
|
||
|
|
return _deepEqual(a, b);
|
||
|
|
}
|
||
|
|
var ka = objectKeys(a),
|
||
|
|
kb = objectKeys(b),
|
||
|
|
key, i;
|
||
|
|
// having the same number of owned properties (keys incorporates
|
||
|
|
// hasOwnProperty)
|
||
|
|
if (ka.length != kb.length)
|
||
|
|
return false;
|
||
|
|
//the same set of keys (although not necessarily the same order),
|
||
|
|
ka.sort();
|
||
|
|
kb.sort();
|
||
|
|
//~~~cheap key test
|
||
|
|
for (i = ka.length - 1; i >= 0; i--) {
|
||
|
|
if (ka[i] != kb[i])
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
//equivalent values for every corresponding key, and
|
||
|
|
//~~~possibly expensive deep test
|
||
|
|
for (i = ka.length - 1; i >= 0; i--) {
|
||
|
|
key = ka[i];
|
||
|
|
if (!_deepEqual(a[key], b[key])) return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 8. The non-equivalence assertion tests for any deep inequality.
|
||
|
|
// assert.notDeepEqual(actual, expected, message_opt);
|
||
|
|
|
||
|
|
assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
|
||
|
|
if (_deepEqual(actual, expected)) {
|
||
|
|
fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// 9. The strict equality assertion tests strict equality, as determined by ===.
|
||
|
|
// assert.strictEqual(actual, expected, message_opt);
|
||
|
|
|
||
|
|
assert.strictEqual = function strictEqual(actual, expected, message) {
|
||
|
|
if (actual !== expected) {
|
||
|
|
fail(actual, expected, message, '===', assert.strictEqual);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// 10. The strict non-equality assertion tests for strict inequality, as
|
||
|
|
// determined by !==. assert.notStrictEqual(actual, expected, message_opt);
|
||
|
|
|
||
|
|
assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
|
||
|
|
if (actual === expected) {
|
||
|
|
fail(actual, expected, message, '!==', assert.notStrictEqual);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function expectedException(actual, expected) {
|
||
|
|
if (!actual || !expected) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Object.prototype.toString.call(expected) == '[object RegExp]') {
|
||
|
|
return expected.test(actual);
|
||
|
|
} else if (actual instanceof expected) {
|
||
|
|
return true;
|
||
|
|
} else if (expected.call({}, actual) === true) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function _throws(shouldThrow, block, expected, message) {
|
||
|
|
var actual;
|
||
|
|
|
||
|
|
if (util.isString(expected)) {
|
||
|
|
message = expected;
|
||
|
|
expected = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
block();
|
||
|
|
} catch (e) {
|
||
|
|
actual = e;
|
||
|
|
}
|
||
|
|
|
||
|
|
message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
|
||
|
|
(message ? ' ' + message : '.');
|
||
|
|
|
||
|
|
if (shouldThrow && !actual) {
|
||
|
|
fail(actual, expected, 'Missing expected exception' + message);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!shouldThrow && expectedException(actual, expected)) {
|
||
|
|
fail(actual, expected, 'Got unwanted exception' + message);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((shouldThrow && actual && expected &&
|
||
|
|
!expectedException(actual, expected)) || (!shouldThrow && actual)) {
|
||
|
|
throw actual;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 11. Expected to throw an error:
|
||
|
|
// assert.throws(block, Error_opt, message_opt);
|
||
|
|
|
||
|
|
assert.throws = function(block, /*optional*/error, /*optional*/message) {
|
||
|
|
_throws.apply(this, [true].concat(pSlice.call(arguments)));
|
||
|
|
};
|
||
|
|
|
||
|
|
// EXTENSION! This is annoying to write outside this module.
|
||
|
|
assert.doesNotThrow = function(block, /*optional*/message) {
|
||
|
|
_throws.apply(this, [false].concat(pSlice.call(arguments)));
|
||
|
|
};
|
||
|
|
|
||
|
|
assert.ifError = function(err) { if (err) {throw err;}};
|
||
|
|
|
||
|
|
var objectKeys = Object.keys || function (obj) {
|
||
|
|
var keys = [];
|
||
|
|
for (var key in obj) {
|
||
|
|
if (hasOwn.call(obj, key)) keys.push(key);
|
||
|
|
}
|
||
|
|
return keys;
|
||
|
|
};
|
||
|
|
|
||
|
|
},{"util/":11}],9:[function(require,module,exports){
|
||
|
|
if (typeof Object.create === 'function') {
|
||
|
|
// implementation from standard node.js 'util' module
|
||
|
|
module.exports = function inherits(ctor, superCtor) {
|
||
|
|
ctor.super_ = superCtor
|
||
|
|
ctor.prototype = Object.create(superCtor.prototype, {
|
||
|
|
constructor: {
|
||
|
|
value: ctor,
|
||
|
|
enumerable: false,
|
||
|
|
writable: true,
|
||
|
|
configurable: true
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
// old school shim for old browsers
|
||
|
|
module.exports = function inherits(ctor, superCtor) {
|
||
|
|
ctor.super_ = superCtor
|
||
|
|
var TempCtor = function () {}
|
||
|
|
TempCtor.prototype = superCtor.prototype
|
||
|
|
ctor.prototype = new TempCtor()
|
||
|
|
ctor.prototype.constructor = ctor
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
},{}],10:[function(require,module,exports){
|
||
|
|
module.exports = function isBuffer(arg) {
|
||
|
|
return arg && typeof arg === 'object'
|
||
|
|
&& typeof arg.copy === 'function'
|
||
|
|
&& typeof arg.fill === 'function'
|
||
|
|
&& typeof arg.readUInt8 === 'function';
|
||
|
|
}
|
||
|
|
},{}],11:[function(require,module,exports){
|
||
|
|
(function (process,global){
|
||
|
|
// Copyright Joyent, Inc. and other Node contributors.
|
||
|
|
//
|
||
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
|
// copy of this software and associated documentation files (the
|
||
|
|
// "Software"), to deal in the Software without restriction, including
|
||
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
||
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
||
|
|
// persons to whom the Software is furnished to do so, subject to the
|
||
|
|
// following conditions:
|
||
|
|
//
|
||
|
|
// The above copyright notice and this permission notice shall be included
|
||
|
|
// in all copies or substantial portions of the Software.
|
||
|
|
//
|
||
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
||
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
||
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
||
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
|
||
|
|
var formatRegExp = /%[sdj%]/g;
|
||
|
|
exports.format = function(f) {
|
||
|
|
if (!isString(f)) {
|
||
|
|
var objects = [];
|
||
|
|
for (var i = 0; i < arguments.length; i++) {
|
||
|
|
objects.push(inspect(arguments[i]));
|
||
|
|
}
|
||
|
|
return objects.join(' ');
|
||
|
|
}
|
||
|
|
|
||
|
|
var i = 1;
|
||
|
|
var args = arguments;
|
||
|
|
var len = args.length;
|
||
|
|
var str = String(f).replace(formatRegExp, function(x) {
|
||
|
|
if (x === '%%') return '%';
|
||
|
|
if (i >= len) return x;
|
||
|
|
switch (x) {
|
||
|
|
case '%s': return String(args[i++]);
|
||
|
|
case '%d': return Number(args[i++]);
|
||
|
|
case '%j':
|
||
|
|
try {
|
||
|
|
return JSON.stringify(args[i++]);
|
||
|
|
} catch (_) {
|
||
|
|
return '[Circular]';
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
for (var x = args[i]; i < len; x = args[++i]) {
|
||
|
|
if (isNull(x) || !isObject(x)) {
|
||
|
|
str += ' ' + x;
|
||
|
|
} else {
|
||
|
|
str += ' ' + inspect(x);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return str;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
// Mark that a method should not be used.
|
||
|
|
// Returns a modified function which warns once by default.
|
||
|
|
// If --no-deprecation is set, then it is a no-op.
|
||
|
|
exports.deprecate = function(fn, msg) {
|
||
|
|
// Allow for deprecating things in the process of starting up.
|
||
|
|
if (isUndefined(global.process)) {
|
||
|
|
return function() {
|
||
|
|
return exports.deprecate(fn, msg).apply(this, arguments);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
if (process.noDeprecation === true) {
|
||
|
|
return fn;
|
||
|
|
}
|
||
|
|
|
||
|
|
var warned = false;
|
||
|
|
function deprecated() {
|
||
|
|
if (!warned) {
|
||
|
|
if (process.throwDeprecation) {
|
||
|
|
throw new Error(msg);
|
||
|
|
} else if (process.traceDeprecation) {
|
||
|
|
console.trace(msg);
|
||
|
|
} else {
|
||
|
|
console.error(msg);
|
||
|
|
}
|
||
|
|
warned = true;
|
||
|
|
}
|
||
|
|
return fn.apply(this, arguments);
|
||
|
|
}
|
||
|
|
|
||
|
|
return deprecated;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
var debugs = {};
|
||
|
|
var debugEnviron;
|
||
|
|
exports.debuglog = function(set) {
|
||
|
|
if (isUndefined(debugEnviron))
|
||
|
|
debugEnviron = process.env.NODE_DEBUG || '';
|
||
|
|
set = set.toUpperCase();
|
||
|
|
if (!debugs[set]) {
|
||
|
|
if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
|
||
|
|
var pid = process.pid;
|
||
|
|
debugs[set] = function() {
|
||
|
|
var msg = exports.format.apply(exports, arguments);
|
||
|
|
console.error('%s %d: %s', set, pid, msg);
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
debugs[set] = function() {};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return debugs[set];
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Echos the value of a value. Trys to print the value out
|
||
|
|
* in the best way possible given the different types.
|
||
|
|
*
|
||
|
|
* @param {Object} obj The object to print out.
|
||
|
|
* @param {Object} opts Optional options object that alters the output.
|
||
|
|
*/
|
||
|
|
/* legacy: obj, showHidden, depth, colors*/
|
||
|
|
function inspect(obj, opts) {
|
||
|
|
// default options
|
||
|
|
var ctx = {
|
||
|
|
seen: [],
|
||
|
|
stylize: stylizeNoColor
|
||
|
|
};
|
||
|
|
// legacy...
|
||
|
|
if (arguments.length >= 3) ctx.depth = arguments[2];
|
||
|
|
if (arguments.length >= 4) ctx.colors = arguments[3];
|
||
|
|
if (isBoolean(opts)) {
|
||
|
|
// legacy...
|
||
|
|
ctx.showHidden = opts;
|
||
|
|
} else if (opts) {
|
||
|
|
// got an "options" object
|
||
|
|
exports._extend(ctx, opts);
|
||
|
|
}
|
||
|
|
// set default options
|
||
|
|
if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
|
||
|
|
if (isUndefined(ctx.depth)) ctx.depth = 2;
|
||
|
|
if (isUndefined(ctx.colors)) ctx.colors = false;
|
||
|
|
if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
|
||
|
|
if (ctx.colors) ctx.stylize = stylizeWithColor;
|
||
|
|
return formatValue(ctx, obj, ctx.depth);
|
||
|
|
}
|
||
|
|
exports.inspect = inspect;
|
||
|
|
|
||
|
|
|
||
|
|
// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
|
||
|
|
inspect.colors = {
|
||
|
|
'bold' : [1, 22],
|
||
|
|
'italic' : [3, 23],
|
||
|
|
'underline' : [4, 24],
|
||
|
|
'inverse' : [7, 27],
|
||
|
|
'white' : [37, 39],
|
||
|
|
'grey' : [90, 39],
|
||
|
|
'black' : [30, 39],
|
||
|
|
'blue' : [34, 39],
|
||
|
|
'cyan' : [36, 39],
|
||
|
|
'green' : [32, 39],
|
||
|
|
'magenta' : [35, 39],
|
||
|
|
'red' : [31, 39],
|
||
|
|
'yellow' : [33, 39]
|
||
|
|
};
|
||
|
|
|
||
|
|
// Don't use 'blue' not visible on cmd.exe
|
||
|
|
inspect.styles = {
|
||
|
|
'special': 'cyan',
|
||
|
|
'number': 'yellow',
|
||
|
|
'boolean': 'yellow',
|
||
|
|
'undefined': 'grey',
|
||
|
|
'null': 'bold',
|
||
|
|
'string': 'green',
|
||
|
|
'date': 'magenta',
|
||
|
|
// "name": intentionally not styling
|
||
|
|
'regexp': 'red'
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
function stylizeWithColor(str, styleType) {
|
||
|
|
var style = inspect.styles[styleType];
|
||
|
|
|
||
|
|
if (style) {
|
||
|
|
return '\u001b[' + inspect.colors[style][0] + 'm' + str +
|
||
|
|
'\u001b[' + inspect.colors[style][1] + 'm';
|
||
|
|
} else {
|
||
|
|
return str;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function stylizeNoColor(str, styleType) {
|
||
|
|
return str;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function arrayToHash(array) {
|
||
|
|
var hash = {};
|
||
|
|
|
||
|
|
array.forEach(function(val, idx) {
|
||
|
|
hash[val] = true;
|
||
|
|
});
|
||
|
|
|
||
|
|
return hash;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function formatValue(ctx, value, recurseTimes) {
|
||
|
|
// Provide a hook for user-specified inspect functions.
|
||
|
|
// Check that value is an object with an inspect function on it
|
||
|
|
if (ctx.customInspect &&
|
||
|
|
value &&
|
||
|
|
isFunction(value.inspect) &&
|
||
|
|
// Filter out the util module, it's inspect function is special
|
||
|
|
value.inspect !== exports.inspect &&
|
||
|
|
// Also filter out any prototype objects using the circular check.
|
||
|
|
!(value.constructor && value.constructor.prototype === value)) {
|
||
|
|
var ret = value.inspect(recurseTimes, ctx);
|
||
|
|
if (!isString(ret)) {
|
||
|
|
ret = formatValue(ctx, ret, recurseTimes);
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Primitive types cannot have properties
|
||
|
|
var primitive = formatPrimitive(ctx, value);
|
||
|
|
if (primitive) {
|
||
|
|
return primitive;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Look up the keys of the object.
|
||
|
|
var keys = Object.keys(value);
|
||
|
|
var visibleKeys = arrayToHash(keys);
|
||
|
|
|
||
|
|
if (ctx.showHidden) {
|
||
|
|
keys = Object.getOwnPropertyNames(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// IE doesn't make error fields non-enumerable
|
||
|
|
// http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
|
||
|
|
if (isError(value)
|
||
|
|
&& (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
|
||
|
|
return formatError(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Some type of object without properties can be shortcutted.
|
||
|
|
if (keys.length === 0) {
|
||
|
|
if (isFunction(value)) {
|
||
|
|
var name = value.name ? ': ' + value.name : '';
|
||
|
|
return ctx.stylize('[Function' + name + ']', 'special');
|
||
|
|
}
|
||
|
|
if (isRegExp(value)) {
|
||
|
|
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
|
||
|
|
}
|
||
|
|
if (isDate(value)) {
|
||
|
|
return ctx.stylize(Date.prototype.toString.call(value), 'date');
|
||
|
|
}
|
||
|
|
if (isError(value)) {
|
||
|
|
return formatError(value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var base = '', array = false, braces = ['{', '}'];
|
||
|
|
|
||
|
|
// Make Array say that they are Array
|
||
|
|
if (isArray(value)) {
|
||
|
|
array = true;
|
||
|
|
braces = ['[', ']'];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make functions say that they are functions
|
||
|
|
if (isFunction(value)) {
|
||
|
|
var n = value.name ? ': ' + value.name : '';
|
||
|
|
base = ' [Function' + n + ']';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make RegExps say that they are RegExps
|
||
|
|
if (isRegExp(value)) {
|
||
|
|
base = ' ' + RegExp.prototype.toString.call(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make dates with properties first say the date
|
||
|
|
if (isDate(value)) {
|
||
|
|
base = ' ' + Date.prototype.toUTCString.call(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make error with message first say the error
|
||
|
|
if (isError(value)) {
|
||
|
|
base = ' ' + formatError(value);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (keys.length === 0 && (!array || value.length == 0)) {
|
||
|
|
return braces[0] + base + braces[1];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (recurseTimes < 0) {
|
||
|
|
if (isRegExp(value)) {
|
||
|
|
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
|
||
|
|
} else {
|
||
|
|
return ctx.stylize('[Object]', 'special');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ctx.seen.push(value);
|
||
|
|
|
||
|
|
var output;
|
||
|
|
if (array) {
|
||
|
|
output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
|
||
|
|
} else {
|
||
|
|
output = keys.map(function(key) {
|
||
|
|
return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
ctx.seen.pop();
|
||
|
|
|
||
|
|
return reduceToSingleString(output, base, braces);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function formatPrimitive(ctx, value) {
|
||
|
|
if (isUndefined(value))
|
||
|
|
return ctx.stylize('undefined', 'undefined');
|
||
|
|
if (isString(value)) {
|
||
|
|
var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
|
||
|
|
.replace(/'/g, "\\'")
|
||
|
|
.replace(/\\"/g, '"') + '\'';
|
||
|
|
return ctx.stylize(simple, 'string');
|
||
|
|
}
|
||
|
|
if (isNumber(value))
|
||
|
|
return ctx.stylize('' + value, 'number');
|
||
|
|
if (isBoolean(value))
|
||
|
|
return ctx.stylize('' + value, 'boolean');
|
||
|
|
// For some reason typeof null is "object", so special case here.
|
||
|
|
if (isNull(value))
|
||
|
|
return ctx.stylize('null', 'null');
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function formatError(value) {
|
||
|
|
return '[' + Error.prototype.toString.call(value) + ']';
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
|
||
|
|
var output = [];
|
||
|
|
for (var i = 0, l = value.length; i < l; ++i) {
|
||
|
|
if (hasOwnProperty(value, String(i))) {
|
||
|
|
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
|
||
|
|
String(i), true));
|
||
|
|
} else {
|
||
|
|
output.push('');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
keys.forEach(function(key) {
|
||
|
|
if (!key.match(/^\d+$/)) {
|
||
|
|
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
|
||
|
|
key, true));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return output;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
|
||
|
|
var name, str, desc;
|
||
|
|
desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
|
||
|
|
if (desc.get) {
|
||
|
|
if (desc.set) {
|
||
|
|
str = ctx.stylize('[Getter/Setter]', 'special');
|
||
|
|
} else {
|
||
|
|
str = ctx.stylize('[Getter]', 'special');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (desc.set) {
|
||
|
|
str = ctx.stylize('[Setter]', 'special');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!hasOwnProperty(visibleKeys, key)) {
|
||
|
|
name = '[' + key + ']';
|
||
|
|
}
|
||
|
|
if (!str) {
|
||
|
|
if (ctx.seen.indexOf(desc.value) < 0) {
|
||
|
|
if (isNull(recurseTimes)) {
|
||
|
|
str = formatValue(ctx, desc.value, null);
|
||
|
|
} else {
|
||
|
|
str = formatValue(ctx, desc.value, recurseTimes - 1);
|
||
|
|
}
|
||
|
|
if (str.indexOf('\n') > -1) {
|
||
|
|
if (array) {
|
||
|
|
str = str.split('\n').map(function(line) {
|
||
|
|
return ' ' + line;
|
||
|
|
}).join('\n').substr(2);
|
||
|
|
} else {
|
||
|
|
str = '\n' + str.split('\n').map(function(line) {
|
||
|
|
return ' ' + line;
|
||
|
|
}).join('\n');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
str = ctx.stylize('[Circular]', 'special');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (isUndefined(name)) {
|
||
|
|
if (array && key.match(/^\d+$/)) {
|
||
|
|
return str;
|
||
|
|
}
|
||
|
|
name = JSON.stringify('' + key);
|
||
|
|
if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
|
||
|
|
name = name.substr(1, name.length - 2);
|
||
|
|
name = ctx.stylize(name, 'name');
|
||
|
|
} else {
|
||
|
|
name = name.replace(/'/g, "\\'")
|
||
|
|
.replace(/\\"/g, '"')
|
||
|
|
.replace(/(^"|"$)/g, "'");
|
||
|
|
name = ctx.stylize(name, 'string');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return name + ': ' + str;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function reduceToSingleString(output, base, braces) {
|
||
|
|
var numLinesEst = 0;
|
||
|
|
var length = output.reduce(function(prev, cur) {
|
||
|
|
numLinesEst++;
|
||
|
|
if (cur.indexOf('\n') >= 0) numLinesEst++;
|
||
|
|
return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
|
||
|
|
}, 0);
|
||
|
|
|
||
|
|
if (length > 60) {
|
||
|
|
return braces[0] +
|
||
|
|
(base === '' ? '' : base + '\n ') +
|
||
|
|
' ' +
|
||
|
|
output.join(',\n ') +
|
||
|
|
' ' +
|
||
|
|
braces[1];
|
||
|
|
}
|
||
|
|
|
||
|
|
return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// NOTE: These type checking functions intentionally don't use `instanceof`
|
||
|
|
// because it is fragile and can be easily faked with `Object.create()`.
|
||
|
|
function isArray(ar) {
|
||
|
|
return Array.isArray(ar);
|
||
|
|
}
|
||
|
|
exports.isArray = isArray;
|
||
|
|
|
||
|
|
function isBoolean(arg) {
|
||
|
|
return typeof arg === 'boolean';
|
||
|
|
}
|
||
|
|
exports.isBoolean = isBoolean;
|
||
|
|
|
||
|
|
function isNull(arg) {
|
||
|
|
return arg === null;
|
||
|
|
}
|
||
|
|
exports.isNull = isNull;
|
||
|
|
|
||
|
|
function isNullOrUndefined(arg) {
|
||
|
|
return arg == null;
|
||
|
|
}
|
||
|
|
exports.isNullOrUndefined = isNullOrUndefined;
|
||
|
|
|
||
|
|
function isNumber(arg) {
|
||
|
|
return typeof arg === 'number';
|
||
|
|
}
|
||
|
|
exports.isNumber = isNumber;
|
||
|
|
|
||
|
|
function isString(arg) {
|
||
|
|
return typeof arg === 'string';
|
||
|
|
}
|
||
|
|
exports.isString = isString;
|
||
|
|
|
||
|
|
function isSymbol(arg) {
|
||
|
|
return typeof arg === 'symbol';
|
||
|
|
}
|
||
|
|
exports.isSymbol = isSymbol;
|
||
|
|
|
||
|
|
function isUndefined(arg) {
|
||
|
|
return arg === void 0;
|
||
|
|
}
|
||
|
|
exports.isUndefined = isUndefined;
|
||
|
|
|
||
|
|
function isRegExp(re) {
|
||
|
|
return isObject(re) && objectToString(re) === '[object RegExp]';
|
||
|
|
}
|
||
|
|
exports.isRegExp = isRegExp;
|
||
|
|
|
||
|
|
function isObject(arg) {
|
||
|
|
return typeof arg === 'object' && arg !== null;
|
||
|
|
}
|
||
|
|
exports.isObject = isObject;
|
||
|
|
|
||
|
|
function isDate(d) {
|
||
|
|
return isObject(d) && objectToString(d) === '[object Date]';
|
||
|
|
}
|
||
|
|
exports.isDate = isDate;
|
||
|
|
|
||
|
|
function isError(e) {
|
||
|
|
return isObject(e) &&
|
||
|
|
(objectToString(e) === '[object Error]' || e instanceof Error);
|
||
|
|
}
|
||
|
|
exports.isError = isError;
|
||
|
|
|
||
|
|
function isFunction(arg) {
|
||
|
|
return typeof arg === 'function';
|
||
|
|
}
|
||
|
|
exports.isFunction = isFunction;
|
||
|
|
|
||
|
|
function isPrimitive(arg) {
|
||
|
|
return arg === null ||
|
||
|
|
typeof arg === 'boolean' ||
|
||
|
|
typeof arg === 'number' ||
|
||
|
|
typeof arg === 'string' ||
|
||
|
|
typeof arg === 'symbol' || // ES6 symbol
|
||
|
|
typeof arg === 'undefined';
|
||
|
|
}
|
||
|
|
exports.isPrimitive = isPrimitive;
|
||
|
|
|
||
|
|
exports.isBuffer = require('./support/isBuffer');
|
||
|
|
|
||
|
|
function objectToString(o) {
|
||
|
|
return Object.prototype.toString.call(o);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function pad(n) {
|
||
|
|
return n < 10 ? '0' + n.toString(10) : n.toString(10);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
|
||
|
|
'Oct', 'Nov', 'Dec'];
|
||
|
|
|
||
|
|
// 26 Feb 16:19:34
|
||
|
|
function timestamp() {
|
||
|
|
var d = new Date();
|
||
|
|
var time = [pad(d.getHours()),
|
||
|
|
pad(d.getMinutes()),
|
||
|
|
pad(d.getSeconds())].join(':');
|
||
|
|
return [d.getDate(), months[d.getMonth()], time].join(' ');
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// log is just a thin wrapper to console.log that prepends a timestamp
|
||
|
|
exports.log = function() {
|
||
|
|
console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Inherit the prototype methods from one constructor into another.
|
||
|
|
*
|
||
|
|
* The Function.prototype.inherits from lang.js rewritten as a standalone
|
||
|
|
* function (not on Function.prototype). NOTE: If this file is to be loaded
|
||
|
|
* during bootstrapping this function needs to be rewritten using some native
|
||
|
|
* functions as prototype setup using normal JavaScript does not work as
|
||
|
|
* expected during bootstrapping (see mirror.js in r114903).
|
||
|
|
*
|
||
|
|
* @param {function} ctor Constructor function which needs to inherit the
|
||
|
|
* prototype.
|
||
|
|
* @param {function} superCtor Constructor function to inherit prototype from.
|
||
|
|
*/
|
||
|
|
exports.inherits = require('inherits');
|
||
|
|
|
||
|
|
exports._extend = function(origin, add) {
|
||
|
|
// Don't do anything if add isn't an object
|
||
|
|
if (!add || !isObject(add)) return origin;
|
||
|
|
|
||
|
|
var keys = Object.keys(add);
|
||
|
|
var i = keys.length;
|
||
|
|
while (i--) {
|
||
|
|
origin[keys[i]] = add[keys[i]];
|
||
|
|
}
|
||
|
|
return origin;
|
||
|
|
};
|
||
|
|
|
||
|
|
function hasOwnProperty(obj, prop) {
|
||
|
|
return Object.prototype.hasOwnProperty.call(obj, prop);
|
||
|
|
}
|
||
|
|
|
||
|
|
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
||
|
|
},{"./support/isBuffer":10,"_process":14,"inherits":9}],12:[function(require,module,exports){
|
||
|
|
|
||
|
|
},{}],13:[function(require,module,exports){
|
||
|
|
(function (process){
|
||
|
|
// .dirname, .basename, and .extname methods are extracted from Node.js v8.11.1,
|
||
|
|
// backported and transplited with Babel, with backwards-compat fixes
|
||
|
|
|
||
|
|
// Copyright Joyent, Inc. and other Node contributors.
|
||
|
|
//
|
||
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
|
// copy of this software and associated documentation files (the
|
||
|
|
// "Software"), to deal in the Software without restriction, including
|
||
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
||
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
||
|
|
// persons to whom the Software is furnished to do so, subject to the
|
||
|
|
// following conditions:
|
||
|
|
//
|
||
|
|
// The above copyright notice and this permission notice shall be included
|
||
|
|
// in all copies or substantial portions of the Software.
|
||
|
|
//
|
||
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
||
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
||
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
||
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
|
||
|
|
// resolves . and .. elements in a path array with directory names there
|
||
|
|
// must be no slashes, empty elements, or device names (c:\) in the array
|
||
|
|
// (so also no leading and trailing slashes - it does not distinguish
|
||
|
|
// relative and absolute paths)
|
||
|
|
function normalizeArray(parts, allowAboveRoot) {
|
||
|
|
// if the path tries to go above the root, `up` ends up > 0
|
||
|
|
var up = 0;
|
||
|
|
for (var i = parts.length - 1; i >= 0; i--) {
|
||
|
|
var last = parts[i];
|
||
|
|
if (last === '.') {
|
||
|
|
parts.splice(i, 1);
|
||
|
|
} else if (last === '..') {
|
||
|
|
parts.splice(i, 1);
|
||
|
|
up++;
|
||
|
|
} else if (up) {
|
||
|
|
parts.splice(i, 1);
|
||
|
|
up--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// if the path is allowed to go above the root, restore leading ..s
|
||
|
|
if (allowAboveRoot) {
|
||
|
|
for (; up--; up) {
|
||
|
|
parts.unshift('..');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return parts;
|
||
|
|
}
|
||
|
|
|
||
|
|
// path.resolve([from ...], to)
|
||
|
|
// posix version
|
||
|
|
exports.resolve = function() {
|
||
|
|
var resolvedPath = '',
|
||
|
|
resolvedAbsolute = false;
|
||
|
|
|
||
|
|
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
|
||
|
|
var path = (i >= 0) ? arguments[i] : process.cwd();
|
||
|
|
|
||
|
|
// Skip empty and invalid entries
|
||
|
|
if (typeof path !== 'string') {
|
||
|
|
throw new TypeError('Arguments to path.resolve must be strings');
|
||
|
|
} else if (!path) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
resolvedPath = path + '/' + resolvedPath;
|
||
|
|
resolvedAbsolute = path.charAt(0) === '/';
|
||
|
|
}
|
||
|
|
|
||
|
|
// At this point the path should be resolved to a full absolute path, but
|
||
|
|
// handle relative paths to be safe (might happen when process.cwd() fails)
|
||
|
|
|
||
|
|
// Normalize the path
|
||
|
|
resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
|
||
|
|
return !!p;
|
||
|
|
}), !resolvedAbsolute).join('/');
|
||
|
|
|
||
|
|
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
|
||
|
|
};
|
||
|
|
|
||
|
|
// path.normalize(path)
|
||
|
|
// posix version
|
||
|
|
exports.normalize = function(path) {
|
||
|
|
var isAbsolute = exports.isAbsolute(path),
|
||
|
|
trailingSlash = substr(path, -1) === '/';
|
||
|
|
|
||
|
|
// Normalize the path
|
||
|
|
path = normalizeArray(filter(path.split('/'), function(p) {
|
||
|
|
return !!p;
|
||
|
|
}), !isAbsolute).join('/');
|
||
|
|
|
||
|
|
if (!path && !isAbsolute) {
|
||
|
|
path = '.';
|
||
|
|
}
|
||
|
|
if (path && trailingSlash) {
|
||
|
|
path += '/';
|
||
|
|
}
|
||
|
|
|
||
|
|
return (isAbsolute ? '/' : '') + path;
|
||
|
|
};
|
||
|
|
|
||
|
|
// posix version
|
||
|
|
exports.isAbsolute = function(path) {
|
||
|
|
return path.charAt(0) === '/';
|
||
|
|
};
|
||
|
|
|
||
|
|
// posix version
|
||
|
|
exports.join = function() {
|
||
|
|
var paths = Array.prototype.slice.call(arguments, 0);
|
||
|
|
return exports.normalize(filter(paths, function(p, index) {
|
||
|
|
if (typeof p !== 'string') {
|
||
|
|
throw new TypeError('Arguments to path.join must be strings');
|
||
|
|
}
|
||
|
|
return p;
|
||
|
|
}).join('/'));
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
// path.relative(from, to)
|
||
|
|
// posix version
|
||
|
|
exports.relative = function(from, to) {
|
||
|
|
from = exports.resolve(from).substr(1);
|
||
|
|
to = exports.resolve(to).substr(1);
|
||
|
|
|
||
|
|
function trim(arr) {
|
||
|
|
var start = 0;
|
||
|
|
for (; start < arr.length; start++) {
|
||
|
|
if (arr[start] !== '') break;
|
||
|
|
}
|
||
|
|
|
||
|
|
var end = arr.length - 1;
|
||
|
|
for (; end >= 0; end--) {
|
||
|
|
if (arr[end] !== '') break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (start > end) return [];
|
||
|
|
return arr.slice(start, end - start + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
var fromParts = trim(from.split('/'));
|
||
|
|
var toParts = trim(to.split('/'));
|
||
|
|
|
||
|
|
var length = Math.min(fromParts.length, toParts.length);
|
||
|
|
var samePartsLength = length;
|
||
|
|
for (var i = 0; i < length; i++) {
|
||
|
|
if (fromParts[i] !== toParts[i]) {
|
||
|
|
samePartsLength = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var outputParts = [];
|
||
|
|
for (var i = samePartsLength; i < fromParts.length; i++) {
|
||
|
|
outputParts.push('..');
|
||
|
|
}
|
||
|
|
|
||
|
|
outputParts = outputParts.concat(toParts.slice(samePartsLength));
|
||
|
|
|
||
|
|
return outputParts.join('/');
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.sep = '/';
|
||
|
|
exports.delimiter = ':';
|
||
|
|
|
||
|
|
exports.dirname = function (path) {
|
||
|
|
if (typeof path !== 'string') path = path + '';
|
||
|
|
if (path.length === 0) return '.';
|
||
|
|
var code = path.charCodeAt(0);
|
||
|
|
var hasRoot = code === 47 /*/*/;
|
||
|
|
var end = -1;
|
||
|
|
var matchedSlash = true;
|
||
|
|
for (var i = path.length - 1; i >= 1; --i) {
|
||
|
|
code = path.charCodeAt(i);
|
||
|
|
if (code === 47 /*/*/) {
|
||
|
|
if (!matchedSlash) {
|
||
|
|
end = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// We saw the first non-path separator
|
||
|
|
matchedSlash = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (end === -1) return hasRoot ? '/' : '.';
|
||
|
|
if (hasRoot && end === 1) {
|
||
|
|
// return '//';
|
||
|
|
// Backwards-compat fix:
|
||
|
|
return '/';
|
||
|
|
}
|
||
|
|
return path.slice(0, end);
|
||
|
|
};
|
||
|
|
|
||
|
|
function basename(path) {
|
||
|
|
if (typeof path !== 'string') path = path + '';
|
||
|
|
|
||
|
|
var start = 0;
|
||
|
|
var end = -1;
|
||
|
|
var matchedSlash = true;
|
||
|
|
var i;
|
||
|
|
|
||
|
|
for (i = path.length - 1; i >= 0; --i) {
|
||
|
|
if (path.charCodeAt(i) === 47 /*/*/) {
|
||
|
|
// If we reached a path separator that was not part of a set of path
|
||
|
|
// separators at the end of the string, stop now
|
||
|
|
if (!matchedSlash) {
|
||
|
|
start = i + 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} else if (end === -1) {
|
||
|
|
// We saw the first non-path separator, mark this as the end of our
|
||
|
|
// path component
|
||
|
|
matchedSlash = false;
|
||
|
|
end = i + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (end === -1) return '';
|
||
|
|
return path.slice(start, end);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Uses a mixed approach for backwards-compatibility, as ext behavior changed
|
||
|
|
// in new Node.js versions, so only basename() above is backported here
|
||
|
|
exports.basename = function (path, ext) {
|
||
|
|
var f = basename(path);
|
||
|
|
if (ext && f.substr(-1 * ext.length) === ext) {
|
||
|
|
f = f.substr(0, f.length - ext.length);
|
||
|
|
}
|
||
|
|
return f;
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.extname = function (path) {
|
||
|
|
if (typeof path !== 'string') path = path + '';
|
||
|
|
var startDot = -1;
|
||
|
|
var startPart = 0;
|
||
|
|
var end = -1;
|
||
|
|
var matchedSlash = true;
|
||
|
|
// Track the state of characters (if any) we see before our first dot and
|
||
|
|
// after any path separator we find
|
||
|
|
var preDotState = 0;
|
||
|
|
for (var i = path.length - 1; i >= 0; --i) {
|
||
|
|
var code = path.charCodeAt(i);
|
||
|
|
if (code === 47 /*/*/) {
|
||
|
|
// If we reached a path separator that was not part of a set of path
|
||
|
|
// separators at the end of the string, stop now
|
||
|
|
if (!matchedSlash) {
|
||
|
|
startPart = i + 1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (end === -1) {
|
||
|
|
// We saw the first non-path separator, mark this as the end of our
|
||
|
|
// extension
|
||
|
|
matchedSlash = false;
|
||
|
|
end = i + 1;
|
||
|
|
}
|
||
|
|
if (code === 46 /*.*/) {
|
||
|
|
// If this is our first dot, mark it as the start of our extension
|
||
|
|
if (startDot === -1)
|
||
|
|
startDot = i;
|
||
|
|
else if (preDotState !== 1)
|
||
|
|
preDotState = 1;
|
||
|
|
} else if (startDot !== -1) {
|
||
|
|
// We saw a non-dot and non-path separator before our dot, so we should
|
||
|
|
// have a good chance at having a non-empty extension
|
||
|
|
preDotState = -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (startDot === -1 || end === -1 ||
|
||
|
|
// We saw a non-dot character immediately before the dot
|
||
|
|
preDotState === 0 ||
|
||
|
|
// The (right-most) trimmed path component is exactly '..'
|
||
|
|
preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) {
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
return path.slice(startDot, end);
|
||
|
|
};
|
||
|
|
|
||
|
|
function filter (xs, f) {
|
||
|
|
if (xs.filter) return xs.filter(f);
|
||
|
|
var res = [];
|
||
|
|
for (var i = 0; i < xs.length; i++) {
|
||
|
|
if (f(xs[i], i, xs)) res.push(xs[i]);
|
||
|
|
}
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
// String.prototype.substr - negative index don't work in IE8
|
||
|
|
var substr = 'ab'.substr(-1) === 'b'
|
||
|
|
? function (str, start, len) { return str.substr(start, len) }
|
||
|
|
: function (str, start, len) {
|
||
|
|
if (start < 0) start = str.length + start;
|
||
|
|
return str.substr(start, len);
|
||
|
|
}
|
||
|
|
;
|
||
|
|
|
||
|
|
}).call(this,require('_process'))
|
||
|
|
},{"_process":14}],14:[function(require,module,exports){
|
||
|
|
// shim for using process in browser
|
||
|
|
var process = module.exports = {};
|
||
|
|
|
||
|
|
// cached from whatever global is present so that test runners that stub it
|
||
|
|
// don't break things. But we need to wrap it in a try catch in case it is
|
||
|
|
// wrapped in strict mode code which doesn't define any globals. It's inside a
|
||
|
|
// function because try/catches deoptimize in certain engines.
|
||
|
|
|
||
|
|
var cachedSetTimeout;
|
||
|
|
var cachedClearTimeout;
|
||
|
|
|
||
|
|
function defaultSetTimout() {
|
||
|
|
throw new Error('setTimeout has not been defined');
|
||
|
|
}
|
||
|
|
function defaultClearTimeout () {
|
||
|
|
throw new Error('clearTimeout has not been defined');
|
||
|
|
}
|
||
|
|
(function () {
|
||
|
|
try {
|
||
|
|
if (typeof setTimeout === 'function') {
|
||
|
|
cachedSetTimeout = setTimeout;
|
||
|
|
} else {
|
||
|
|
cachedSetTimeout = defaultSetTimout;
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
cachedSetTimeout = defaultSetTimout;
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
if (typeof clearTimeout === 'function') {
|
||
|
|
cachedClearTimeout = clearTimeout;
|
||
|
|
} else {
|
||
|
|
cachedClearTimeout = defaultClearTimeout;
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
cachedClearTimeout = defaultClearTimeout;
|
||
|
|
}
|
||
|
|
} ())
|
||
|
|
function runTimeout(fun) {
|
||
|
|
if (cachedSetTimeout === setTimeout) {
|
||
|
|
//normal enviroments in sane situations
|
||
|
|
return setTimeout(fun, 0);
|
||
|
|
}
|
||
|
|
// if setTimeout wasn't available but was latter defined
|
||
|
|
if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
|
||
|
|
cachedSetTimeout = setTimeout;
|
||
|
|
return setTimeout(fun, 0);
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
// when when somebody has screwed with setTimeout but no I.E. maddness
|
||
|
|
return cachedSetTimeout(fun, 0);
|
||
|
|
} catch(e){
|
||
|
|
try {
|
||
|
|
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
|
||
|
|
return cachedSetTimeout.call(null, fun, 0);
|
||
|
|
} catch(e){
|
||
|
|
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
|
||
|
|
return cachedSetTimeout.call(this, fun, 0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
function runClearTimeout(marker) {
|
||
|
|
if (cachedClearTimeout === clearTimeout) {
|
||
|
|
//normal enviroments in sane situations
|
||
|
|
return clearTimeout(marker);
|
||
|
|
}
|
||
|
|
// if clearTimeout wasn't available but was latter defined
|
||
|
|
if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
|
||
|
|
cachedClearTimeout = clearTimeout;
|
||
|
|
return clearTimeout(marker);
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
// when when somebody has screwed with setTimeout but no I.E. maddness
|
||
|
|
return cachedClearTimeout(marker);
|
||
|
|
} catch (e){
|
||
|
|
try {
|
||
|
|
// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
|
||
|
|
return cachedClearTimeout.call(null, marker);
|
||
|
|
} catch (e){
|
||
|
|
// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
|
||
|
|
// Some versions of I.E. have different rules for clearTimeout vs setTimeout
|
||
|
|
return cachedClearTimeout.call(this, marker);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
var queue = [];
|
||
|
|
var draining = false;
|
||
|
|
var currentQueue;
|
||
|
|
var queueIndex = -1;
|
||
|
|
|
||
|
|
function cleanUpNextTick() {
|
||
|
|
if (!draining || !currentQueue) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
draining = false;
|
||
|
|
if (currentQueue.length) {
|
||
|
|
queue = currentQueue.concat(queue);
|
||
|
|
} else {
|
||
|
|
queueIndex = -1;
|
||
|
|
}
|
||
|
|
if (queue.length) {
|
||
|
|
drainQueue();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function drainQueue() {
|
||
|
|
if (draining) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var timeout = runTimeout(cleanUpNextTick);
|
||
|
|
draining = true;
|
||
|
|
|
||
|
|
var len = queue.length;
|
||
|
|
while(len) {
|
||
|
|
currentQueue = queue;
|
||
|
|
queue = [];
|
||
|
|
while (++queueIndex < len) {
|
||
|
|
if (currentQueue) {
|
||
|
|
currentQueue[queueIndex].run();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
queueIndex = -1;
|
||
|
|
len = queue.length;
|
||
|
|
}
|
||
|
|
currentQueue = null;
|
||
|
|
draining = false;
|
||
|
|
runClearTimeout(timeout);
|
||
|
|
}
|
||
|
|
|
||
|
|
process.nextTick = function (fun) {
|
||
|
|
var args = new Array(arguments.length - 1);
|
||
|
|
if (arguments.length > 1) {
|
||
|
|
for (var i = 1; i < arguments.length; i++) {
|
||
|
|
args[i - 1] = arguments[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
queue.push(new Item(fun, args));
|
||
|
|
if (queue.length === 1 && !draining) {
|
||
|
|
runTimeout(drainQueue);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// v8 likes predictible objects
|
||
|
|
function Item(fun, array) {
|
||
|
|
this.fun = fun;
|
||
|
|
this.array = array;
|
||
|
|
}
|
||
|
|
Item.prototype.run = function () {
|
||
|
|
this.fun.apply(null, this.array);
|
||
|
|
};
|
||
|
|
process.title = 'browser';
|
||
|
|
process.browser = true;
|
||
|
|
process.env = {};
|
||
|
|
process.argv = [];
|
||
|
|
process.version = ''; // empty string to avoid regexp issues
|
||
|
|
process.versions = {};
|
||
|
|
|
||
|
|
function noop() {}
|
||
|
|
|
||
|
|
process.on = noop;
|
||
|
|
process.addListener = noop;
|
||
|
|
process.once = noop;
|
||
|
|
process.off = noop;
|
||
|
|
process.removeListener = noop;
|
||
|
|
process.removeAllListeners = noop;
|
||
|
|
process.emit = noop;
|
||
|
|
process.prependListener = noop;
|
||
|
|
process.prependOnceListener = noop;
|
||
|
|
|
||
|
|
process.listeners = function (name) { return [] }
|
||
|
|
|
||
|
|
process.binding = function (name) {
|
||
|
|
throw new Error('process.binding is not supported');
|
||
|
|
};
|
||
|
|
|
||
|
|
process.cwd = function () { return '/' };
|
||
|
|
process.chdir = function (dir) {
|
||
|
|
throw new Error('process.chdir is not supported');
|
||
|
|
};
|
||
|
|
process.umask = function() { return 0; };
|
||
|
|
|
||
|
|
},{}],15:[function(require,module,exports){
|
||
|
|
var unparse = require('escodegen').generate;
|
||
|
|
|
||
|
|
module.exports = function (ast, vars) {
|
||
|
|
if (!vars) vars = {};
|
||
|
|
var FAIL = {};
|
||
|
|
|
||
|
|
var result = (function walk (node, scopeVars) {
|
||
|
|
if (node.type === 'Literal') {
|
||
|
|
return node.value;
|
||
|
|
}
|
||
|
|
else if (node.type === 'UnaryExpression'){
|
||
|
|
var val = walk(node.argument)
|
||
|
|
if (node.operator === '+') return +val
|
||
|
|
if (node.operator === '-') return -val
|
||
|
|
if (node.operator === '~') return ~val
|
||
|
|
if (node.operator === '!') return !val
|
||
|
|
return FAIL
|
||
|
|
}
|
||
|
|
else if (node.type === 'ArrayExpression') {
|
||
|
|
var xs = [];
|
||
|
|
for (var i = 0, l = node.elements.length; i < l; i++) {
|
||
|
|
var x = walk(node.elements[i]);
|
||
|
|
if (x === FAIL) return FAIL;
|
||
|
|
xs.push(x);
|
||
|
|
}
|
||
|
|
return xs;
|
||
|
|
}
|
||
|
|
else if (node.type === 'ObjectExpression') {
|
||
|
|
var obj = {};
|
||
|
|
for (var i = 0; i < node.properties.length; i++) {
|
||
|
|
var prop = node.properties[i];
|
||
|
|
var value = prop.value === null
|
||
|
|
? prop.value
|
||
|
|
: walk(prop.value)
|
||
|
|
;
|
||
|
|
if (value === FAIL) return FAIL;
|
||
|
|
obj[prop.key.value || prop.key.name] = value;
|
||
|
|
}
|
||
|
|
return obj;
|
||
|
|
}
|
||
|
|
else if (node.type === 'BinaryExpression' ||
|
||
|
|
node.type === 'LogicalExpression') {
|
||
|
|
var l = walk(node.left);
|
||
|
|
if (l === FAIL) return FAIL;
|
||
|
|
var r = walk(node.right);
|
||
|
|
if (r === FAIL) return FAIL;
|
||
|
|
|
||
|
|
var op = node.operator;
|
||
|
|
if (op === '==') return l == r;
|
||
|
|
if (op === '===') return l === r;
|
||
|
|
if (op === '!=') return l != r;
|
||
|
|
if (op === '!==') return l !== r;
|
||
|
|
if (op === '+') return l + r;
|
||
|
|
if (op === '-') return l - r;
|
||
|
|
if (op === '*') return l * r;
|
||
|
|
if (op === '/') return l / r;
|
||
|
|
if (op === '%') return l % r;
|
||
|
|
if (op === '<') return l < r;
|
||
|
|
if (op === '<=') return l <= r;
|
||
|
|
if (op === '>') return l > r;
|
||
|
|
if (op === '>=') return l >= r;
|
||
|
|
if (op === '|') return l | r;
|
||
|
|
if (op === '&') return l & r;
|
||
|
|
if (op === '^') return l ^ r;
|
||
|
|
if (op === '&&') return l && r;
|
||
|
|
if (op === '||') return l || r;
|
||
|
|
|
||
|
|
return FAIL;
|
||
|
|
}
|
||
|
|
else if (node.type === 'Identifier') {
|
||
|
|
if ({}.hasOwnProperty.call(vars, node.name)) {
|
||
|
|
return vars[node.name];
|
||
|
|
}
|
||
|
|
else return FAIL;
|
||
|
|
}
|
||
|
|
else if (node.type === 'ThisExpression') {
|
||
|
|
if ({}.hasOwnProperty.call(vars, 'this')) {
|
||
|
|
return vars['this'];
|
||
|
|
}
|
||
|
|
else return FAIL;
|
||
|
|
}
|
||
|
|
else if (node.type === 'CallExpression') {
|
||
|
|
var callee = walk(node.callee);
|
||
|
|
if (callee === FAIL) return FAIL;
|
||
|
|
if (typeof callee !== 'function') return FAIL;
|
||
|
|
|
||
|
|
var ctx = node.callee.object ? walk(node.callee.object) : FAIL;
|
||
|
|
if (ctx === FAIL) ctx = null;
|
||
|
|
|
||
|
|
var args = [];
|
||
|
|
for (var i = 0, l = node.arguments.length; i < l; i++) {
|
||
|
|
var x = walk(node.arguments[i]);
|
||
|
|
if (x === FAIL) return FAIL;
|
||
|
|
args.push(x);
|
||
|
|
}
|
||
|
|
return callee.apply(ctx, args);
|
||
|
|
}
|
||
|
|
else if (node.type === 'MemberExpression') {
|
||
|
|
var obj = walk(node.object);
|
||
|
|
// do not allow access to methods on Function
|
||
|
|
if((obj === FAIL) || (typeof obj == 'function')){
|
||
|
|
return FAIL;
|
||
|
|
}
|
||
|
|
if (node.property.type === 'Identifier') {
|
||
|
|
return obj[node.property.name];
|
||
|
|
}
|
||
|
|
var prop = walk(node.property);
|
||
|
|
if (prop === FAIL) return FAIL;
|
||
|
|
return obj[prop];
|
||
|
|
}
|
||
|
|
else if (node.type === 'ConditionalExpression') {
|
||
|
|
var val = walk(node.test)
|
||
|
|
if (val === FAIL) return FAIL;
|
||
|
|
return val ? walk(node.consequent) : walk(node.alternate)
|
||
|
|
}
|
||
|
|
else if (node.type === 'ExpressionStatement') {
|
||
|
|
var val = walk(node.expression)
|
||
|
|
if (val === FAIL) return FAIL;
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
else if (node.type === 'ReturnStatement') {
|
||
|
|
return walk(node.argument)
|
||
|
|
}
|
||
|
|
else if (node.type === 'FunctionExpression') {
|
||
|
|
|
||
|
|
var bodies = node.body.body;
|
||
|
|
|
||
|
|
// Create a "scope" for our arguments
|
||
|
|
var oldVars = {};
|
||
|
|
Object.keys(vars).forEach(function(element){
|
||
|
|
oldVars[element] = vars[element];
|
||
|
|
})
|
||
|
|
|
||
|
|
for(var i=0; i<node.params.length; i++){
|
||
|
|
var key = node.params[i];
|
||
|
|
if(key.type == 'Identifier'){
|
||
|
|
vars[key.name] = null;
|
||
|
|
}
|
||
|
|
else return FAIL;
|
||
|
|
}
|
||
|
|
for(var i in bodies){
|
||
|
|
if(walk(bodies[i]) === FAIL){
|
||
|
|
return FAIL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// restore the vars and scope after we walk
|
||
|
|
vars = oldVars;
|
||
|
|
|
||
|
|
var keys = Object.keys(vars);
|
||
|
|
var vals = keys.map(function(key) {
|
||
|
|
return vars[key];
|
||
|
|
});
|
||
|
|
return Function(keys.join(', '), 'return ' + unparse(node)).apply(null, vals);
|
||
|
|
}
|
||
|
|
else if (node.type === 'TemplateLiteral') {
|
||
|
|
var str = '';
|
||
|
|
for (var i = 0; i < node.expressions.length; i++) {
|
||
|
|
str += walk(node.quasis[i]);
|
||
|
|
str += walk(node.expressions[i]);
|
||
|
|
}
|
||
|
|
str += walk(node.quasis[i]);
|
||
|
|
return str;
|
||
|
|
}
|
||
|
|
else if (node.type === 'TaggedTemplateExpression') {
|
||
|
|
var tag = walk(node.tag);
|
||
|
|
var quasi = node.quasi;
|
||
|
|
var strings = quasi.quasis.map(walk);
|
||
|
|
var values = quasi.expressions.map(walk);
|
||
|
|
return tag.apply(null, [strings].concat(values));
|
||
|
|
}
|
||
|
|
else if (node.type === 'TemplateElement') {
|
||
|
|
return node.value.cooked;
|
||
|
|
}
|
||
|
|
else return FAIL;
|
||
|
|
})(ast);
|
||
|
|
|
||
|
|
return result === FAIL ? undefined : result;
|
||
|
|
};
|
||
|
|
|
||
|
|
},{"escodegen":12}],"jsonpath":[function(require,module,exports){
|
||
|
|
module.exports = require('./lib/index');
|
||
|
|
|
||
|
|
},{"./lib/index":5}]},{},["jsonpath"])("jsonpath")
|
||
|
|
});
|