pax_global_header00006660000000000000000000000064135201646440014517gustar00rootroot0000000000000052 comment=8c2741c0154723fb92da137a0c97845b03b0943a esutils-2.0.3/000077500000000000000000000000001352016464400132115ustar00rootroot00000000000000esutils-2.0.3/.gitignore000066400000000000000000000000151352016464400151750ustar00rootroot00000000000000node_modules esutils-2.0.3/.jshintrc000066400000000000000000000003621352016464400150370ustar00rootroot00000000000000{ "curly": true, "eqeqeq": true, "immed": true, "eqnull": true, "latedef": true, "noarg": true, "noempty": true, "quotmark": "single", "undef": true, "unused": true, "strict": true, "trailing": true, "node": true } esutils-2.0.3/.travis.yml000066400000000000000000000001541352016464400153220ustar00rootroot00000000000000language: node_js node_js: - "0.10" - "0.11" matrix: allow_failures: - node_js: "0.11" esutils-2.0.3/LICENSE.BSD000066400000000000000000000023171352016464400146300ustar00rootroot00000000000000Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. esutils-2.0.3/README.md000066400000000000000000000152541352016464400144770ustar00rootroot00000000000000### esutils [![Build Status](https://secure.travis-ci.org/estools/esutils.svg)](http://travis-ci.org/estools/esutils) esutils ([esutils](http://github.com/estools/esutils)) is utility box for ECMAScript language tools. ### API ### ast #### ast.isExpression(node) Returns true if `node` is an Expression as defined in ECMA262 edition 5.1 section [11](https://es5.github.io/#x11). #### ast.isStatement(node) Returns true if `node` is a Statement as defined in ECMA262 edition 5.1 section [12](https://es5.github.io/#x12). #### ast.isIterationStatement(node) Returns true if `node` is an IterationStatement as defined in ECMA262 edition 5.1 section [12.6](https://es5.github.io/#x12.6). #### ast.isSourceElement(node) Returns true if `node` is a SourceElement as defined in ECMA262 edition 5.1 section [14](https://es5.github.io/#x14). #### ast.trailingStatement(node) Returns `Statement?` if `node` has trailing `Statement`. ```js if (cond) consequent; ``` When taking this `IfStatement`, returns `consequent;` statement. #### ast.isProblematicIfStatement(node) Returns true if `node` is a problematic IfStatement. If `node` is a problematic `IfStatement`, `node` cannot be represented as an one on one JavaScript code. ```js { type: 'IfStatement', consequent: { type: 'WithStatement', body: { type: 'IfStatement', consequent: {type: 'EmptyStatement'} } }, alternate: {type: 'EmptyStatement'} } ``` The above node cannot be represented as a JavaScript code, since the top level `else` alternate belongs to an inner `IfStatement`. ### code #### code.isDecimalDigit(code) Return true if provided code is decimal digit. #### code.isHexDigit(code) Return true if provided code is hexadecimal digit. #### code.isOctalDigit(code) Return true if provided code is octal digit. #### code.isWhiteSpace(code) Return true if provided code is white space. White space characters are formally defined in ECMA262. #### code.isLineTerminator(code) Return true if provided code is line terminator. Line terminator characters are formally defined in ECMA262. #### code.isIdentifierStart(code) Return true if provided code can be the first character of ECMA262 Identifier. They are formally defined in ECMA262. #### code.isIdentifierPart(code) Return true if provided code can be the trailing character of ECMA262 Identifier. They are formally defined in ECMA262. ### keyword #### keyword.isKeywordES5(id, strict) Returns `true` if provided identifier string is a Keyword or Future Reserved Word in ECMA262 edition 5.1. They are formally defined in ECMA262 sections [7.6.1.1](http://es5.github.io/#x7.6.1.1) and [7.6.1.2](http://es5.github.io/#x7.6.1.2), respectively. If the `strict` flag is truthy, this function additionally checks whether `id` is a Keyword or Future Reserved Word under strict mode. #### keyword.isKeywordES6(id, strict) Returns `true` if provided identifier string is a Keyword or Future Reserved Word in ECMA262 edition 6. They are formally defined in ECMA262 sections [11.6.2.1](http://ecma-international.org/ecma-262/6.0/#sec-keywords) and [11.6.2.2](http://ecma-international.org/ecma-262/6.0/#sec-future-reserved-words), respectively. If the `strict` flag is truthy, this function additionally checks whether `id` is a Keyword or Future Reserved Word under strict mode. #### keyword.isReservedWordES5(id, strict) Returns `true` if provided identifier string is a Reserved Word in ECMA262 edition 5.1. They are formally defined in ECMA262 section [7.6.1](http://es5.github.io/#x7.6.1). If the `strict` flag is truthy, this function additionally checks whether `id` is a Reserved Word under strict mode. #### keyword.isReservedWordES6(id, strict) Returns `true` if provided identifier string is a Reserved Word in ECMA262 edition 6. They are formally defined in ECMA262 section [11.6.2](http://ecma-international.org/ecma-262/6.0/#sec-reserved-words). If the `strict` flag is truthy, this function additionally checks whether `id` is a Reserved Word under strict mode. #### keyword.isRestrictedWord(id) Returns `true` if provided identifier string is one of `eval` or `arguments`. They are restricted in strict mode code throughout ECMA262 edition 5.1 and in ECMA262 edition 6 section [12.1.1](http://ecma-international.org/ecma-262/6.0/#sec-identifiers-static-semantics-early-errors). #### keyword.isIdentifierNameES5(id) Return true if provided identifier string is an IdentifierName as specified in ECMA262 edition 5.1 section [7.6](https://es5.github.io/#x7.6). #### keyword.isIdentifierNameES6(id) Return true if provided identifier string is an IdentifierName as specified in ECMA262 edition 6 section [11.6](http://ecma-international.org/ecma-262/6.0/#sec-names-and-keywords). #### keyword.isIdentifierES5(id, strict) Return true if provided identifier string is an Identifier as specified in ECMA262 edition 5.1 section [7.6](https://es5.github.io/#x7.6). If the `strict` flag is truthy, this function additionally checks whether `id` is an Identifier under strict mode. #### keyword.isIdentifierES6(id, strict) Return true if provided identifier string is an Identifier as specified in ECMA262 edition 6 section [12.1](http://ecma-international.org/ecma-262/6.0/#sec-identifiers). If the `strict` flag is truthy, this function additionally checks whether `id` is an Identifier under strict mode. ### License Copyright (C) 2013 [Yusuke Suzuki](http://github.com/Constellation) (twitter: [@Constellation](http://twitter.com/Constellation)) and other contributors. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. esutils-2.0.3/lib/000077500000000000000000000000001352016464400137575ustar00rootroot00000000000000esutils-2.0.3/lib/ast.js000066400000000000000000000111701352016464400151040ustar00rootroot00000000000000/* Copyright (C) 2013 Yusuke Suzuki Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ (function () { 'use strict'; function isExpression(node) { if (node == null) { return false; } switch (node.type) { case 'ArrayExpression': case 'AssignmentExpression': case 'BinaryExpression': case 'CallExpression': case 'ConditionalExpression': case 'FunctionExpression': case 'Identifier': case 'Literal': case 'LogicalExpression': case 'MemberExpression': case 'NewExpression': case 'ObjectExpression': case 'SequenceExpression': case 'ThisExpression': case 'UnaryExpression': case 'UpdateExpression': return true; } return false; } function isIterationStatement(node) { if (node == null) { return false; } switch (node.type) { case 'DoWhileStatement': case 'ForInStatement': case 'ForStatement': case 'WhileStatement': return true; } return false; } function isStatement(node) { if (node == null) { return false; } switch (node.type) { case 'BlockStatement': case 'BreakStatement': case 'ContinueStatement': case 'DebuggerStatement': case 'DoWhileStatement': case 'EmptyStatement': case 'ExpressionStatement': case 'ForInStatement': case 'ForStatement': case 'IfStatement': case 'LabeledStatement': case 'ReturnStatement': case 'SwitchStatement': case 'ThrowStatement': case 'TryStatement': case 'VariableDeclaration': case 'WhileStatement': case 'WithStatement': return true; } return false; } function isSourceElement(node) { return isStatement(node) || node != null && node.type === 'FunctionDeclaration'; } function trailingStatement(node) { switch (node.type) { case 'IfStatement': if (node.alternate != null) { return node.alternate; } return node.consequent; case 'LabeledStatement': case 'ForStatement': case 'ForInStatement': case 'WhileStatement': case 'WithStatement': return node.body; } return null; } function isProblematicIfStatement(node) { var current; if (node.type !== 'IfStatement') { return false; } if (node.alternate == null) { return false; } current = node.consequent; do { if (current.type === 'IfStatement') { if (current.alternate == null) { return true; } } current = trailingStatement(current); } while (current); return false; } module.exports = { isExpression: isExpression, isStatement: isStatement, isIterationStatement: isIterationStatement, isSourceElement: isSourceElement, isProblematicIfStatement: isProblematicIfStatement, trailingStatement: trailingStatement }; }()); /* vim: set sw=4 ts=4 et tw=80 : */ esutils-2.0.3/lib/code.js000066400000000000000000000716521352016464400152420ustar00rootroot00000000000000/* Copyright (C) 2013-2014 Yusuke Suzuki Copyright (C) 2014 Ivan Nikulin Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ (function () { 'use strict'; var ES6Regex, ES5Regex, NON_ASCII_WHITESPACES, IDENTIFIER_START, IDENTIFIER_PART, ch; // See `tools/generate-identifier-regex.js`. ES5Regex = { // ECMAScript 5.1/Unicode v9.0.0 NonAsciiIdentifierStart: NonAsciiIdentifierStart: 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// ECMAScript 6/Unicode v9.0.0 NonAsciiIdentifierPart: NonAsciiIdentifierPart: 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F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF30-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F\uDFE0]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00\uDC01]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4A\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/ }; function isDecimalDigit(ch) { return 0x30 <= ch && ch <= 0x39; // 0..9 } function isHexDigit(ch) { return 0x30 <= ch && ch <= 0x39 || // 0..9 0x61 <= ch && ch <= 0x66 || // a..f 0x41 <= ch && ch <= 0x46; // A..F } function isOctalDigit(ch) { return ch >= 0x30 && ch <= 0x37; // 0..7 } // 7.2 White Space NON_ASCII_WHITESPACES = [ 0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF ]; function isWhiteSpace(ch) { return ch === 0x20 || ch === 0x09 || ch === 0x0B || ch === 0x0C || ch === 0xA0 || ch >= 0x1680 && NON_ASCII_WHITESPACES.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 fromCodePoint(cp) { if (cp <= 0xFFFF) { return String.fromCharCode(cp); } var cu1 = String.fromCharCode(Math.floor((cp - 0x10000) / 0x400) + 0xD800); var cu2 = String.fromCharCode(((cp - 0x10000) % 0x400) + 0xDC00); return cu1 + cu2; } IDENTIFIER_START = new Array(0x80); for(ch = 0; ch < 0x80; ++ch) { IDENTIFIER_START[ch] = ch >= 0x61 && ch <= 0x7A || // a..z ch >= 0x41 && ch <= 0x5A || // A..Z ch === 0x24 || ch === 0x5F; // $ (dollar) and _ (underscore) } IDENTIFIER_PART = new Array(0x80); for(ch = 0; ch < 0x80; ++ch) { IDENTIFIER_PART[ch] = ch >= 0x61 && ch <= 0x7A || // a..z ch >= 0x41 && ch <= 0x5A || // A..Z ch >= 0x30 && ch <= 0x39 || // 0..9 ch === 0x24 || ch === 0x5F; // $ (dollar) and _ (underscore) } function isIdentifierStartES5(ch) { return ch < 0x80 ? IDENTIFIER_START[ch] : ES5Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch)); } function isIdentifierPartES5(ch) { return ch < 0x80 ? IDENTIFIER_PART[ch] : ES5Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch)); } function isIdentifierStartES6(ch) { return ch < 0x80 ? IDENTIFIER_START[ch] : ES6Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch)); } function isIdentifierPartES6(ch) { return ch < 0x80 ? IDENTIFIER_PART[ch] : ES6Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch)); } module.exports = { isDecimalDigit: isDecimalDigit, isHexDigit: isHexDigit, isOctalDigit: isOctalDigit, isWhiteSpace: isWhiteSpace, isLineTerminator: isLineTerminator, isIdentifierStartES5: isIdentifierStartES5, isIdentifierPartES5: isIdentifierPartES5, isIdentifierStartES6: isIdentifierStartES6, isIdentifierPartES6: isIdentifierPartES6 }; }()); /* vim: set sw=4 ts=4 et tw=80 : */ esutils-2.0.3/lib/keyword.js000066400000000000000000000127601352016464400160070ustar00rootroot00000000000000/* Copyright (C) 2013 Yusuke Suzuki Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ (function () { 'use strict'; var code = require('./code'); function isStrictModeReservedWordES6(id) { switch (id) { case 'implements': case 'interface': case 'package': case 'private': case 'protected': case 'public': case 'static': case 'let': return true; default: return false; } } function isKeywordES5(id, strict) { // yield should not be treated as keyword under non-strict mode. if (!strict && id === 'yield') { return false; } return isKeywordES6(id, strict); } function isKeywordES6(id, strict) { if (strict && isStrictModeReservedWordES6(id)) { return true; } switch (id.length) { case 2: return (id === 'if') || (id === 'in') || (id === 'do'); case 3: return (id === 'var') || (id === 'for') || (id === 'new') || (id === 'try'); 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; } } function isReservedWordES5(id, strict) { return id === 'null' || id === 'true' || id === 'false' || isKeywordES5(id, strict); } function isReservedWordES6(id, strict) { return id === 'null' || id === 'true' || id === 'false' || isKeywordES6(id, strict); } function isRestrictedWord(id) { return id === 'eval' || id === 'arguments'; } function isIdentifierNameES5(id) { var i, iz, ch; if (id.length === 0) { return false; } ch = id.charCodeAt(0); if (!code.isIdentifierStartES5(ch)) { return false; } for (i = 1, iz = id.length; i < iz; ++i) { ch = id.charCodeAt(i); if (!code.isIdentifierPartES5(ch)) { return false; } } return true; } function decodeUtf16(lead, trail) { return (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; } function isIdentifierNameES6(id) { var i, iz, ch, lowCh, check; if (id.length === 0) { return false; } check = code.isIdentifierStartES6; for (i = 0, iz = id.length; i < iz; ++i) { ch = id.charCodeAt(i); if (0xD800 <= ch && ch <= 0xDBFF) { ++i; if (i >= iz) { return false; } lowCh = id.charCodeAt(i); if (!(0xDC00 <= lowCh && lowCh <= 0xDFFF)) { return false; } ch = decodeUtf16(ch, lowCh); } if (!check(ch)) { return false; } check = code.isIdentifierPartES6; } return true; } function isIdentifierES5(id, strict) { return isIdentifierNameES5(id) && !isReservedWordES5(id, strict); } function isIdentifierES6(id, strict) { return isIdentifierNameES6(id) && !isReservedWordES6(id, strict); } module.exports = { isKeywordES5: isKeywordES5, isKeywordES6: isKeywordES6, isReservedWordES5: isReservedWordES5, isReservedWordES6: isReservedWordES6, isRestrictedWord: isRestrictedWord, isIdentifierNameES5: isIdentifierNameES5, isIdentifierNameES6: isIdentifierNameES6, isIdentifierES5: isIdentifierES5, isIdentifierES6: isIdentifierES6 }; }()); /* vim: set sw=4 ts=4 et tw=80 : */ esutils-2.0.3/lib/utils.js000066400000000000000000000027671352016464400154710ustar00rootroot00000000000000/* Copyright (C) 2013 Yusuke Suzuki Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ (function () { 'use strict'; exports.ast = require('./ast'); exports.code = require('./code'); exports.keyword = require('./keyword'); }()); /* vim: set sw=4 ts=4 et tw=80 : */ esutils-2.0.3/package.json000066400000000000000000000020221352016464400154730ustar00rootroot00000000000000{ "name": "esutils", "description": "utility box for ECMAScript language tools", "homepage": "https://github.com/estools/esutils", "main": "lib/utils.js", "version": "2.0.3", "engines": { "node": ">=0.10.0" }, "directories": { "lib": "./lib" }, "files": [ "LICENSE.BSD", "README.md", "lib" ], "maintainers": [ { "name": "Yusuke Suzuki", "email": "utatane.tea@gmail.com", "web": "http://github.com/Constellation" } ], "repository": { "type": "git", "url": "http://github.com/estools/esutils.git" }, "devDependencies": { "chai": "~1.7.2", "coffee-script": "~1.6.3", "jshint": "2.6.3", "mocha": "~2.2.1", "regenerate": "~1.3.1", "unicode-9.0.0": "~0.7.0" }, "license": "BSD-2-Clause", "scripts": { "test": "npm run-script lint && npm run-script unit-test", "lint": "jshint lib/*.js", "unit-test": "mocha --compilers coffee:coffee-script -R spec", "generate-regex": "node tools/generate-identifier-regex.js" } } esutils-2.0.3/test/000077500000000000000000000000001352016464400141705ustar00rootroot00000000000000esutils-2.0.3/test/ast.coffee000066400000000000000000000207641352016464400161410ustar00rootroot00000000000000# Copyright (C) 2013 Yusuke Suzuki # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 'use strict' expect = require('chai').expect esutils = require '../' EMPTY = {type: 'EmptyStatement'} describe 'ast', -> describe 'isExpression', -> it 'returns false if input is not node', -> expect(esutils.ast.isExpression(0)).to.be.false expect(esutils.ast.isExpression(null)).to.be.false expect(esutils.ast.isExpression(undefined)).to.be.false expect(esutils.ast.isExpression({})).to.be.false expect(esutils.ast.isExpression({type: null})).to.be.false expect(esutils.ast.isExpression({type: undefined})).to.be.false it 'returns true if provided node is expression', -> expect(esutils.ast.isExpression({type: "ThisExpression"})).to.be.true expect(esutils.ast.isExpression({type: "Literal", value: 0})).to.be.true it 'returns false if provided node is not expression', -> expect(esutils.ast.isExpression({type: "ExpressionStatement"})).to.be.false expect(esutils.ast.isExpression({type: "Program"})).to.be.false describe 'isIterationStatement', -> it 'returns false if input is not node', -> expect(esutils.ast.isIterationStatement(0)).to.be.false expect(esutils.ast.isIterationStatement(null)).to.be.false expect(esutils.ast.isIterationStatement(undefined)).to.be.false expect(esutils.ast.isIterationStatement({})).to.be.false expect(esutils.ast.isIterationStatement({type: null})).to.be.false expect(esutils.ast.isIterationStatement({type: undefined})).to.be.false it 'returns true if provided node is iteration statement', -> expect(esutils.ast.isIterationStatement({type: "ForInStatement"})).to.be.true expect(esutils.ast.isIterationStatement({type: "DoWhileStatement"})).to.be.true it 'returns false if provided node is not iteration statement', -> expect(esutils.ast.isIterationStatement({type: "ExpressionStatement"})).to.be.false expect(esutils.ast.isIterationStatement({type: "ThisExpression"})).to.be.false describe 'isStatement', -> it 'returns false if input is not node', -> expect(esutils.ast.isStatement(0)).to.be.false expect(esutils.ast.isStatement(null)).to.be.false expect(esutils.ast.isStatement(undefined)).to.be.false expect(esutils.ast.isStatement({})).to.be.false expect(esutils.ast.isStatement({type: null})).to.be.false expect(esutils.ast.isStatement({type: undefined})).to.be.false it 'returns true if provided node is statement', -> expect(esutils.ast.isStatement({type: "ExpressionStatement"})).to.be.true expect(esutils.ast.isStatement({type: "WhileStatement"})).to.be.true it 'returns false if provided node is not statement', -> expect(esutils.ast.isStatement({type: "ThisExpression"})).to.be.false expect(esutils.ast.isStatement({type: "FunctionDeclaration"})).to.be.false expect(esutils.ast.isStatement({type: "Program"})).to.be.false describe 'isSourceElement', -> it 'returns false if input is not node', -> expect(esutils.ast.isSourceElement(0)).to.be.false expect(esutils.ast.isSourceElement(null)).to.be.false expect(esutils.ast.isSourceElement(undefined)).to.be.false expect(esutils.ast.isSourceElement({})).to.be.false expect(esutils.ast.isSourceElement({type: null})).to.be.false expect(esutils.ast.isSourceElement({type: undefined})).to.be.false it 'returns true if provided node is source element', -> expect(esutils.ast.isSourceElement({type: "ExpressionStatement"})).to.be.true expect(esutils.ast.isSourceElement({type: "WhileStatement"})).to.be.true expect(esutils.ast.isSourceElement({type: "FunctionDeclaration"})).to.be.true it 'returns false if provided node is not source element', -> expect(esutils.ast.isSourceElement({type: "ThisExpression"})).to.be.false expect(esutils.ast.isSourceElement({type: "Program"})).to.be.false describe 'trailingStatement', -> it 'returns trailing statement if node has it', -> expect(esutils.ast.trailingStatement({type: 'WhileStatement', body: EMPTY})).to.be.eq EMPTY expect(esutils.ast.trailingStatement({type: 'WithStatement', body: EMPTY})).to.be.eq EMPTY expect(esutils.ast.trailingStatement({type: 'ForStatement', body: EMPTY})).to.be.eq EMPTY expect(esutils.ast.trailingStatement({type: 'ForInStatement', body: EMPTY})).to.be.eq EMPTY expect(esutils.ast.trailingStatement({type: 'IfStatement', consequent: EMPTY})).to.be.eq EMPTY expect(esutils.ast.trailingStatement({type: 'IfStatement', consequent: {type:'EmptyStatement'}, alternate: EMPTY})).to.be.eq EMPTY expect(esutils.ast.trailingStatement({type: 'LabeledStatement', body: EMPTY})).to.be.eq EMPTY it 'returns null if node doens\'t have trailing statement', -> expect(esutils.ast.trailingStatement({type: 'DoWhileStatement', body: EMPTY})).to.be.null expect(esutils.ast.trailingStatement({type: 'ReturnStatement' })).to.be.null describe 'isProblematicIfStatement', -> it 'returns true if node is problematic if statement', -> expect(esutils.ast.isProblematicIfStatement( type: 'IfStatement' consequent: { type: 'IfStatement' consequent: EMPTY } alternate: EMPTY )).to.be.true expect(esutils.ast.isProblematicIfStatement( type: 'IfStatement' consequent: type: 'LabeledStatement' body: type: 'IfStatement' consequent: EMPTY alternate: EMPTY )).to.be.true expect(esutils.ast.isProblematicIfStatement( type: 'IfStatement' consequent: type: 'WithStatement' body: type: 'IfStatement' consequent: EMPTY alternate: EMPTY )).to.be.true it 'returns false if node is not problematic if statement', -> expect(esutils.ast.isProblematicIfStatement( type: 'IfStatement' consequent: EMPTY alternate: EMPTY )).to.be.false expect(esutils.ast.isProblematicIfStatement( type: 'IfStatement' consequent: type: 'BlockStatement' body: [ type: 'IfStatement' consequent: EMPTY ] alternate: EMPTY )).to.be.false expect(esutils.ast.isProblematicIfStatement( type: 'IfStatement' consequent: type: 'DoWhileStatement' body: type: 'IfStatement' consequent: EMPTY alternate: EMPTY )).to.be.false esutils-2.0.3/test/code.coffee000066400000000000000000000176001352016464400162570ustar00rootroot00000000000000# Copyright (C) 2013 Yusuke Suzuki # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 'use strict' expect = require('chai').expect esutils = require '../' describe 'code', -> describe 'isDecimalDigit', -> it 'returns true if provided code is decimal digit', -> for ch in [0..9] expect(esutils.code.isDecimalDigit((ch + '').charCodeAt(0))).to.be.true it 'returns false if provided code is not decimal digit', -> for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)] expect(esutils.code.isDecimalDigit(code)).to.be.false for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)] expect(esutils.code.isDecimalDigit(code)).to.be.false describe 'isHexDigit', -> it 'returns true if provided code is hexadecimal digit', -> for ch in [0..9] expect(esutils.code.isHexDigit((ch + '').charCodeAt(0))).to.be.true for code in ['a'.charCodeAt(0)..'f'.charCodeAt(0)] expect(esutils.code.isHexDigit(code)).to.be.true for code in ['A'.charCodeAt(0)..'F'.charCodeAt(0)] expect(esutils.code.isHexDigit(code)).to.be.true it 'returns false if provided code is not hexadecimal digit', -> for code in ['g'.charCodeAt(0)..'z'.charCodeAt(0)] expect(esutils.code.isHexDigit(code)).to.be.false for code in ['G'.charCodeAt(0)..'Z'.charCodeAt(0)] expect(esutils.code.isHexDigit(code)).to.be.false describe 'isOctalDigit', -> it 'returns true if provided code is octal digit', -> for ch in [0..7] expect(esutils.code.isOctalDigit((ch + '').charCodeAt(0))).to.be.true it 'returns false if provided code is not octal digit', -> for ch in [8..9] expect(esutils.code.isOctalDigit((ch + '').charCodeAt(0))).to.be.false for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)] expect(esutils.code.isOctalDigit(code)).to.be.false for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)] expect(esutils.code.isOctalDigit(code)).to.be.false describe 'isWhiteSpace', -> it 'returns true if provided code is white space', -> codes = [ 0x0009 # TAB 0x000B # VT 0x000C # FF 0x0020 # SP 0x00A0 # NBSP 0xFEFF # BOM # Zs 0x1680 0x2000 0x2001 0x2002 0x2003 0x2004 0x2005 0x2006 0x2007 0x2008 0x2009 0x200A 0x202F 0x205F 0x3000 ] for code in codes expect(esutils.code.isWhiteSpace(code)).to.be.true expect(esutils.code.isWhiteSpace(0x180E)).to.be.false it 'returns false if provided code is not white space', -> for ch in [0..9] expect(esutils.code.isWhiteSpace((ch + '').charCodeAt(0))).to.be.false for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)] expect(esutils.code.isWhiteSpace(code)).to.be.false for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)] expect(esutils.code.isWhiteSpace(code)).to.be.false describe 'isLineTerminator', -> it 'returns true if provided code is line terminator', -> codes = [ 0x000A 0x000D 0x2028 0x2029 ] for code in codes expect(esutils.code.isLineTerminator(code)).to.be.true it 'returns false if provided code is not line terminator', -> for ch in [0..9] expect(esutils.code.isLineTerminator((ch + '').charCodeAt(0))).to.be.false for code in ['a'.charCodeAt(0)..'z'.charCodeAt(0)] expect(esutils.code.isLineTerminator(code)).to.be.false for code in ['A'.charCodeAt(0)..'Z'.charCodeAt(0)] expect(esutils.code.isLineTerminator(code)).to.be.false describe 'isIdentifierStartES5', -> it 'returns true if provided code can be a start of Identifier in ES5', -> characters = ['a', '_', '$', 'ゆ'] for code in characters.map((ch) -> ch.charCodeAt(0)) expect(esutils.code.isIdentifierStartES5(code)).to.be.true it 'returns false if provided code cannot be a start of Identifier in ES5', -> for ch in [0..9] expect(esutils.code.isIdentifierStartES5((ch + '').charCodeAt(0))).to.be.false describe 'isIdentifierPartES5', -> it 'returns true if provided code can be a part of Identifier in ES5', -> characters = ['a', '_', '$', 'ゆ'] for code in characters.map((ch) -> ch.charCodeAt(0)) expect(esutils.code.isIdentifierPartES5(code)).to.be.true for ch in [0..9] expect(esutils.code.isIdentifierPartES5((ch + '').charCodeAt(0))).to.be.true it 'returns false if provided code cannot be a part of Identifier in ES5', -> expect(esutils.code.isIdentifierPartES5('+'.charCodeAt(0))).to.be.false expect(esutils.code.isIdentifierPartES5('-'.charCodeAt(0))).to.be.false describe 'isIdentifierStartES6', -> it 'returns true if provided code can be a start of Identifier in ES6', -> characters = ['a', '_', '$', 'ゆ', '\u0AF9'] for code in characters.map((ch) -> ch.charCodeAt(0)) expect(esutils.code.isIdentifierStartES6(code)).to.be.true it 'returns false if provided code cannot be a start of Identifier in ES6', -> for ch in [0..9] expect(esutils.code.isIdentifierStartES6((ch + '').charCodeAt(0))).to.be.false describe 'isIdentifierPartES6', -> it 'returns true if provided code can be a part of Identifier in ES6', -> characters = ['a', '_', '$', 'ゆ'] for code in characters.map((ch) -> ch.charCodeAt(0)) expect(esutils.code.isIdentifierPartES6(code)).to.be.true for ch in [0..9] expect(esutils.code.isIdentifierPartES6((ch + '').charCodeAt(0))).to.be.true it 'supports astral symbols', -> expect(esutils.code.isIdentifierPartES6(0xE01D5)).to.be.true it 'returns false if provided code cannot be a part of Identifier in ES6', -> expect(esutils.code.isIdentifierPartES6('+'.charCodeAt(0))).to.be.false expect(esutils.code.isIdentifierPartES6('-'.charCodeAt(0))).to.be.false esutils-2.0.3/test/keyword.coffee000066400000000000000000000314501352016464400170300ustar00rootroot00000000000000# Copyright (C) 2013 Yusuke Suzuki # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 'use strict' expect = require('chai').expect esutils = require '../' KW = [ 'if' 'in' 'do' 'var' 'for' 'new' 'try' 'this' 'else' 'case' 'void' 'with' 'enum' 'while' 'break' 'catch' 'throw' 'const' 'class' 'super' 'return' 'typeof' 'delete' 'switch' 'export' 'import' 'default' 'finally' 'extends' 'function' 'continue' 'debugger' 'instanceof' ] SRW = [ 'implements' 'interface' 'package' 'private' 'protected' 'public' 'static' 'let' ] describe 'keyword', -> describe 'isKeywordES6', -> it 'returns true if provided string is keyword under non-strict mode', -> for word in KW expect(esutils.keyword.isKeywordES6(word, no)).to.be.true expect(esutils.keyword.isKeywordES6('yield', no)).to.be.true it 'returns false if provided string is not keyword under non-strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isKeywordES6(word, no)).to.be.false for word in SRW expect(esutils.keyword.isKeywordES6(word, no)).to.be.false it 'returns true if provided string is keyword under strict mode', -> for word in KW expect(esutils.keyword.isKeywordES6(word, yes)).to.be.true expect(esutils.keyword.isKeywordES6('yield', yes)).to.be.true for word in SRW expect(esutils.keyword.isKeywordES6(word, yes)).to.be.true it 'returns false if provided string is not keyword under strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isKeywordES6(word, yes)).to.be.false describe 'isKeywordES5', -> it 'returns true if provided string is keyword under non-strict mode', -> for word in KW expect(esutils.keyword.isKeywordES5(word, no)).to.be.true it 'returns false if provided string is not keyword under non-strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isKeywordES5(word, no)).to.be.false for word in SRW expect(esutils.keyword.isKeywordES5(word, no)).to.be.false expect(esutils.keyword.isKeywordES5('yield', no)).to.be.false it 'returns true if provided string is keyword under strict mode', -> for word in KW expect(esutils.keyword.isKeywordES5(word, yes)).to.be.true expect(esutils.keyword.isKeywordES5('yield', yes)).to.be.true for word in SRW expect(esutils.keyword.isKeywordES5(word, yes)).to.be.true it 'returns false if provided string is not keyword under strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isKeywordES5(word, yes)).to.be.false describe 'isReservedWordES6', -> it 'returns true for null/boolean values', -> expect(esutils.keyword.isReservedWordES6('null', no)).to.be.true expect(esutils.keyword.isReservedWordES6('null', yes)).to.be.true expect(esutils.keyword.isReservedWordES6('true', no)).to.be.true expect(esutils.keyword.isReservedWordES6('true', yes)).to.be.true expect(esutils.keyword.isReservedWordES6('false', no)).to.be.true expect(esutils.keyword.isReservedWordES6('false', yes)).to.be.true # isReservedWordES6 has the same properties as isKeywordES6 it 'returns true if provided string is keyword under non-strict mode', -> for word in KW expect(esutils.keyword.isReservedWordES6(word, no)).to.be.true expect(esutils.keyword.isReservedWordES6('yield', no)).to.be.true it 'returns false if provided string is not keyword under non-strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isReservedWordES6(word, no)).to.be.false for word in SRW expect(esutils.keyword.isReservedWordES6(word, no)).to.be.false it 'returns true if provided string is keyword under strict mode', -> for word in KW expect(esutils.keyword.isReservedWordES6(word, yes)).to.be.true expect(esutils.keyword.isReservedWordES6('yield', yes)).to.be.true for word in SRW expect(esutils.keyword.isReservedWordES6(word, yes)).to.be.true it 'returns false if provided string is not keyword under strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isReservedWordES6(word, yes)).to.be.false describe 'isReservedWordES5', -> it 'returns true for null/boolean values', -> expect(esutils.keyword.isReservedWordES5('null', no)).to.be.true expect(esutils.keyword.isReservedWordES5('null', yes)).to.be.true expect(esutils.keyword.isReservedWordES5('true', no)).to.be.true expect(esutils.keyword.isReservedWordES5('true', yes)).to.be.true expect(esutils.keyword.isReservedWordES5('false', no)).to.be.true expect(esutils.keyword.isReservedWordES5('false', yes)).to.be.true # isReservedWordES5 has the same properties as isKeywordES5 it 'returns true if provided string is keyword under non-strict mode', -> for word in KW expect(esutils.keyword.isReservedWordES5(word, no)).to.be.true it 'returns false if provided string is not keyword under non-strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isReservedWordES5(word, no)).to.be.false for word in SRW expect(esutils.keyword.isReservedWordES5(word, no)).to.be.false expect(esutils.keyword.isReservedWordES5('yield', no)).to.be.false it 'returns true if provided string is keyword under strict mode', -> for word in KW expect(esutils.keyword.isReservedWordES5(word, yes)).to.be.true expect(esutils.keyword.isReservedWordES5('yield', yes)).to.be.true for word in SRW expect(esutils.keyword.isReservedWordES5(word, yes)).to.be.true it 'returns false if provided string is not keyword under strict mode', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isReservedWordES5(word, yes)).to.be.false describe 'isRestrictedWord', -> it 'returns true if provided string is "eval" or "arguments"', -> expect(esutils.keyword.isRestrictedWord('eval')).to.be.true expect(esutils.keyword.isRestrictedWord('arguments')).to.be.true it 'returns false if provided string is not "eval" or "arguments"', -> words = [ 'hello' '20' '$' 'ゆゆ式' ] for word in words expect(esutils.keyword.isRestrictedWord(word)).to.be.false describe 'isIdentifierName', -> it 'returns false if provided string is empty', -> expect(esutils.keyword.isIdentifierNameES5('')).to.be.false expect(esutils.keyword.isIdentifierNameES6('')).to.be.false it 'returns true if provided string is IdentifierName', -> words = [ 'hello' '$' 'ゆゆ式' '$20' 'hello20' '_' 'if' ] for word in words expect(esutils.keyword.isIdentifierNameES5(word)).to.be.true expect(esutils.keyword.isIdentifierNameES6(word)).to.be.true it 'returns false if provided string is not IdentifierName', -> words = [ '+hello' '0$' '-ゆゆ式' '#_' '_#' ] for word in words expect(esutils.keyword.isIdentifierNameES5(word)).to.be.false expect(esutils.keyword.isIdentifierNameES6(word)).to.be.false it 'supports astral symbols', -> expect(esutils.keyword.isIdentifierNameES6('x\uDB40\uDDD5')).to.be.true describe 'isIdentifierES5', -> it 'returns false if provided string is empty', -> expect(esutils.keyword.isIdentifierES5('')).to.be.false it 'returns true if provided string is Identifier', -> words = [ 'hello' '$' 'ゆゆ式' '$20' 'hello20' '_' ] for word in words expect(esutils.keyword.isIdentifierES5(word)).to.be.true expect(esutils.keyword.isIdentifierES5('yield', no)).to.be.true expect(esutils.keyword.isIdentifierES5('let', no)).to.be.true it 'returns false if provided string is not Identifier', -> words = [ '+hello' '0$' '-ゆゆ式' '#_' '_#' 'if' 'null' 'true' 'false' ] for word in words expect(esutils.keyword.isIdentifierES5(word)).to.be.false expect(esutils.keyword.isIdentifierES5('yield', yes)).to.be.false expect(esutils.keyword.isIdentifierES5('let', yes)).to.be.false describe 'isIdentifierES6', -> it 'returns false if provided string is empty', -> expect(esutils.keyword.isIdentifierES6('')).to.be.false it 'returns true if provided string is Identifier', -> words = [ 'hello' '$' 'ゆゆ式' '$20' 'hello20' '_' ] for word in words expect(esutils.keyword.isIdentifierES6(word)).to.be.true expect(esutils.keyword.isIdentifierES6('let', no)).to.be.true it 'returns false if provided string is not Identifier', -> words = [ '+hello' '0$' '-ゆゆ式' '#_' '_#' 'if' 'null' 'true' 'false' ] for word in words expect(esutils.keyword.isIdentifierES6(word)).to.be.false expect(esutils.keyword.isIdentifierES6('yield', no)).to.be.false expect(esutils.keyword.isIdentifierES6('yield', yes)).to.be.false expect(esutils.keyword.isIdentifierES6('let', yes)).to.be.false esutils-2.0.3/tools/000077500000000000000000000000001352016464400143515ustar00rootroot00000000000000esutils-2.0.3/tools/generate-identifier-regex.js000066400000000000000000000065461352016464400217440ustar00rootroot00000000000000// Based on https://gist.github.com/mathiasbynens/6334847 by @mathias 'use strict'; const regenerate = require('regenerate'); // Which Unicode version should be used? const version = '9.0.0'; // Set up a shorthand function to import Unicode data. const get = function(what) { return require('unicode-' + version + '/' + what + '/code-points'); }; // Get the Unicode categories needed to construct the ES5 regex. const Lu = get('General_Category/Uppercase_Letter'); const Ll = get('General_Category/Lowercase_Letter'); const Lt = get('General_Category/Titlecase_Letter'); const Lm = get('General_Category/Modifier_Letter'); const Lo = get('General_Category/Other_Letter'); const Nl = get('General_Category/Letter_Number'); const Mn = get('General_Category/Nonspacing_Mark'); const Mc = get('General_Category/Spacing_Mark'); const Nd = get('General_Category/Decimal_Number'); const Pc = get('General_Category/Connector_Punctuation'); const es5regexes = (function() { // ES 5.1 // http://mathiasbynens.be/notes/javascript-identifiers#valid-identifier-names const identifierStart = regenerate() .add(Lu, Ll, Lt, Lm, Lo, Nl) .removeRange(0x010000, 0x10FFFF) // remove astral symbols .removeRange(0x00, 0x7F); // remove ASCII symbols (esutils-specific) const identifierStartCodePoints = identifierStart.toArray(); const identifierPart = regenerate(identifierStartCodePoints) .add('\u200C', '\u200D', Mn, Mc, Nd, Pc) .removeRange(0x010000, 0x10FFFF) // remove astral symbols .removeRange(0x00, 0x7F); // remove ASCII symbols (esutils-specific) return { 'NonAsciiIdentifierStart': '/' + identifierStart + '/', 'NonAsciiIdentifierPart': '/' + identifierPart + '/', }; }()); // Get the Unicode properties needed to construct the ES6 regex. const ID_Start = get('Binary_Property/ID_Start'); const ID_Continue = get('Binary_Property/ID_Continue'); const Other_ID_Start = get('Binary_Property/Other_ID_Start'); const es6regexes = (function() { // http://ecma-international.org/ecma-262/6.0/#sec-identifier-names-static-semantics-early-errors // http://unicode.org/reports/tr31/#Default_Identifier_Syntax // https://bugs.ecmascript.org/show_bug.cgi?id=2717#c0 const identifierStart = regenerate(ID_Start) // Note: this already includes `Other_ID_Start`. http://git.io/wRCAfQ .removeRange(0x00, 0x7F); // remove ASCII symbols (esutils-specific) const identifierPart = regenerate(ID_Continue) // Note: `ID_Continue` already includes `Other_ID_Continue`. http://git.io/wRCAfQ .add(Other_ID_Start) .add('\u200C', '\u200D') .removeRange(0x00, 0x7F); // remove ASCII symbols (esutils-specific) return { 'NonAsciiIdentifierStart': '/' + identifierStart + '/', 'NonAsciiIdentifierPart': '/' + identifierPart + '/', }; }()); console.log( '// ECMAScript 5.1/Unicode v%s NonAsciiIdentifierStart:\n%s\n', version, es5regexes.NonAsciiIdentifierStart ); console.log( '// ECMAScript 5.1/Unicode v%s NonAsciiIdentifierPart:\n%s\n', version, es5regexes.NonAsciiIdentifierPart ); console.log( '// ECMAScript 6/Unicode v%s NonAsciiIdentifierStart:\n%s\n', version, es6regexes.NonAsciiIdentifierStart ); console.log( '// ECMAScript 6/Unicode v%s NonAsciiIdentifierPart:\n%s', version, es6regexes.NonAsciiIdentifierPart );