Current Dev State

This commit is contained in:
Tim Lorsbach
2025-06-23 20:13:54 +02:00
parent b4f9bb277d
commit ded50edaa2
22617 changed files with 4345095 additions and 174 deletions

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2015-03-03: Version 1.2.5
* Fix scanning of implicit octal literals (issue 565)
2015-02-05: Version 1.2.4
* Fix parsing of LeftHandSideExpression in ForInStatement (issue 560)
* Fix the handling of automatic semicolon insertion (issue 574)
2015-01-18: Version 1.2.3
* Fix division by this (issue 616)
2014-05-18: Version 1.2.2
* Fix duplicated tokens when collecting comments (issue 537)
2014-05-04: Version 1.2.1
* Ensure that Program node may still have leading comments (issue 536)
2014-04-29: Version 1.2.0
* Fix semicolon handling for expression statement (issue 462, 533)
* Disallow escaped characters in regular expression flags (issue 503)
* Performance improvement for location tracking (issue 520)
* Improve the speed of comment attachment (issue 522)
2014-03-26: Version 1.1.1
* Fix token handling of forward slash after an array literal (issue 512)
2014-03-23: Version 1.1.0
* Optionally attach comments to the owning syntax nodes (issue 197)
* Simplify binary parsing with stack-based shift reduce (issue 352)
* Always include the raw source of literals (issue 376)
* Add optional input source information (issue 386)
* Tokenizer API for pure lexical scanning (issue 398)
* Improve the web site and its online demos (issue 337, 400, 404)
* Performance improvement for location tracking (issue 417, 424)
* Support HTML comment syntax (issue 451)
* Drop support for legacy browsers (issue 474)
2013-08-27: Version 1.0.4
* Minimize the payload for packages (issue 362)
* Fix missing cases on an empty switch statement (issue 436)
* Support escaped ] in regexp literal character classes (issue 442)
* Tolerate invalid left-hand side expression (issue 130)
2013-05-17: Version 1.0.3
* Variable declaration needs at least one declarator (issue 391)
* Fix benchmark's variance unit conversion (issue 397)
* IE < 9: \v should be treated as vertical tab (issue 405)
* Unary expressions should always have prefix: true (issue 418)
* Catch clause should only accept an identifier (issue 423)
* Tolerate setters without parameter (issue 426)
2012-11-02: Version 1.0.2
Improvement:
* Fix esvalidate JUnit output upon a syntax error (issue 374)
2012-10-28: Version 1.0.1
Improvements:
* esvalidate understands shebang in a Unix shell script (issue 361)
* esvalidate treats fatal parsing failure as an error (issue 361)
* Reduce Node.js package via .npmignore (issue 362)
2012-10-22: Version 1.0.0
Initial release.

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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 <COPYRIGHT HOLDER> 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.

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**Esprima** ([esprima.org](http://esprima.org), BSD license) is a high performance,
standard-compliant [ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm)
parser written in ECMAScript (also popularly known as
[JavaScript](http://en.wikipedia.org/wiki/JavaScript>JavaScript)).
Esprima is created and maintained by [Ariya Hidayat](http://twitter.com/ariyahidayat),
with the help of [many contributors](https://github.com/ariya/esprima/contributors).
### Features
- Full support for ECMAScript 5.1 ([ECMA-262](http://www.ecma-international.org/publications/standards/Ecma-262.htm))
- Sensible [syntax tree format](http://esprima.org/doc/index.html#ast) compatible with Mozilla
[Parser AST](https://developer.mozilla.org/en/SpiderMonkey/Parser_API)
- Optional tracking of syntax node location (index-based and line-column)
- Heavily tested (> 650 [unit tests](http://esprima.org/test/) with [full code coverage](http://esprima.org/test/coverage.html))
- [Partial support](http://esprima.org/doc/es6.html) for ECMAScript 6
Esprima serves as a **building block** for some JavaScript
language tools, from [code instrumentation](http://esprima.org/demo/functiontrace.html)
to [editor autocompletion](http://esprima.org/demo/autocomplete.html).
Esprima runs on many popular web browsers, as well as other ECMAScript platforms such as
[Rhino](http://www.mozilla.org/rhino), [Nashorn](http://openjdk.java.net/projects/nashorn/), and [Node.js](https://npmjs.org/package/esprima).
For more information, check the web site [esprima.org](http://esprima.org).

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#!/usr/bin/env node
/*
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
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 <COPYRIGHT HOLDER> 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.
*/
/*jslint sloppy:true node:true rhino:true */
var fs, esprima, fname, content, options, syntax;
if (typeof require === 'function') {
fs = require('fs');
esprima = require('esprima');
} else if (typeof load === 'function') {
try {
load('esprima.js');
} catch (e) {
load('../esprima.js');
}
}
// Shims to Node.js objects when running under Rhino.
if (typeof console === 'undefined' && typeof process === 'undefined') {
console = { log: print };
fs = { readFileSync: readFile };
process = { argv: arguments, exit: quit };
process.argv.unshift('esparse.js');
process.argv.unshift('rhino');
}
function showUsage() {
console.log('Usage:');
console.log(' esparse [options] file.js');
console.log();
console.log('Available options:');
console.log();
console.log(' --comment Gather all line and block comments in an array');
console.log(' --loc Include line-column location info for each syntax node');
console.log(' --range Include index-based range for each syntax node');
console.log(' --raw Display the raw value of literals');
console.log(' --tokens List all tokens in an array');
console.log(' --tolerant Tolerate errors on a best-effort basis (experimental)');
console.log(' -v, --version Shows program version');
console.log();
process.exit(1);
}
if (process.argv.length <= 2) {
showUsage();
}
options = {};
process.argv.splice(2).forEach(function (entry) {
if (entry === '-h' || entry === '--help') {
showUsage();
} else if (entry === '-v' || entry === '--version') {
console.log('ECMAScript Parser (using Esprima version', esprima.version, ')');
console.log();
process.exit(0);
} else if (entry === '--comment') {
options.comment = true;
} else if (entry === '--loc') {
options.loc = true;
} else if (entry === '--range') {
options.range = true;
} else if (entry === '--raw') {
options.raw = true;
} else if (entry === '--tokens') {
options.tokens = true;
} else if (entry === '--tolerant') {
options.tolerant = true;
} else if (entry.slice(0, 2) === '--') {
console.log('Error: unknown option ' + entry + '.');
process.exit(1);
} else if (typeof fname === 'string') {
console.log('Error: more than one input file.');
process.exit(1);
} else {
fname = entry;
}
});
if (typeof fname !== 'string') {
console.log('Error: no input file.');
process.exit(1);
}
// Special handling for regular expression literal since we need to
// convert it to a string literal, otherwise it will be decoded
// as object "{}" and the regular expression would be lost.
function adjustRegexLiteral(key, value) {
if (key === 'value' && value instanceof RegExp) {
value = value.toString();
}
return value;
}
try {
content = fs.readFileSync(fname, 'utf-8');
syntax = esprima.parse(content, options);
console.log(JSON.stringify(syntax, adjustRegexLiteral, 4));
} catch (e) {
console.log('Error: ' + e.message);
process.exit(1);
}

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#!/usr/bin/env node
/*
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
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 <COPYRIGHT HOLDER> 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.
*/
/*jslint sloppy:true plusplus:true node:true rhino:true */
/*global phantom:true */
var fs, system, esprima, options, fnames, count;
if (typeof esprima === 'undefined') {
// PhantomJS can only require() relative files
if (typeof phantom === 'object') {
fs = require('fs');
system = require('system');
esprima = require('./esprima');
} else if (typeof require === 'function') {
fs = require('fs');
esprima = require('esprima');
} else if (typeof load === 'function') {
try {
load('esprima.js');
} catch (e) {
load('../esprima.js');
}
}
}
// Shims to Node.js objects when running under PhantomJS 1.7+.
if (typeof phantom === 'object') {
fs.readFileSync = fs.read;
process = {
argv: [].slice.call(system.args),
exit: phantom.exit
};
process.argv.unshift('phantomjs');
}
// Shims to Node.js objects when running under Rhino.
if (typeof console === 'undefined' && typeof process === 'undefined') {
console = { log: print };
fs = { readFileSync: readFile };
process = { argv: arguments, exit: quit };
process.argv.unshift('esvalidate.js');
process.argv.unshift('rhino');
}
function showUsage() {
console.log('Usage:');
console.log(' esvalidate [options] file.js');
console.log();
console.log('Available options:');
console.log();
console.log(' --format=type Set the report format, plain (default) or junit');
console.log(' -v, --version Print program version');
console.log();
process.exit(1);
}
if (process.argv.length <= 2) {
showUsage();
}
options = {
format: 'plain'
};
fnames = [];
process.argv.splice(2).forEach(function (entry) {
if (entry === '-h' || entry === '--help') {
showUsage();
} else if (entry === '-v' || entry === '--version') {
console.log('ECMAScript Validator (using Esprima version', esprima.version, ')');
console.log();
process.exit(0);
} else if (entry.slice(0, 9) === '--format=') {
options.format = entry.slice(9);
if (options.format !== 'plain' && options.format !== 'junit') {
console.log('Error: unknown report format ' + options.format + '.');
process.exit(1);
}
} else if (entry.slice(0, 2) === '--') {
console.log('Error: unknown option ' + entry + '.');
process.exit(1);
} else {
fnames.push(entry);
}
});
if (fnames.length === 0) {
console.log('Error: no input file.');
process.exit(1);
}
if (options.format === 'junit') {
console.log('<?xml version="1.0" encoding="UTF-8"?>');
console.log('<testsuites>');
}
count = 0;
fnames.forEach(function (fname) {
var content, timestamp, syntax, name;
try {
content = fs.readFileSync(fname, 'utf-8');
if (content[0] === '#' && content[1] === '!') {
content = '//' + content.substr(2, content.length);
}
timestamp = Date.now();
syntax = esprima.parse(content, { tolerant: true });
if (options.format === 'junit') {
name = fname;
if (name.lastIndexOf('/') >= 0) {
name = name.slice(name.lastIndexOf('/') + 1);
}
console.log('<testsuite name="' + fname + '" errors="0" ' +
' failures="' + syntax.errors.length + '" ' +
' tests="' + syntax.errors.length + '" ' +
' time="' + Math.round((Date.now() - timestamp) / 1000) +
'">');
syntax.errors.forEach(function (error) {
var msg = error.message;
msg = msg.replace(/^Line\ [0-9]*\:\ /, '');
console.log(' <testcase name="Line ' + error.lineNumber + ': ' + msg + '" ' +
' time="0">');
console.log(' <error type="SyntaxError" message="' + error.message + '">' +
error.message + '(' + name + ':' + error.lineNumber + ')' +
'</error>');
console.log(' </testcase>');
});
console.log('</testsuite>');
} else if (options.format === 'plain') {
syntax.errors.forEach(function (error) {
var msg = error.message;
msg = msg.replace(/^Line\ [0-9]*\:\ /, '');
msg = fname + ':' + error.lineNumber + ': ' + msg;
console.log(msg);
++count;
});
}
} catch (e) {
++count;
if (options.format === 'junit') {
console.log('<testsuite name="' + fname + '" errors="1" failures="0" tests="1" ' +
' time="' + Math.round((Date.now() - timestamp) / 1000) + '">');
console.log(' <testcase name="' + e.message + '" ' + ' time="0">');
console.log(' <error type="ParseError" message="' + e.message + '">' +
e.message + '(' + fname + ((e.lineNumber) ? ':' + e.lineNumber : '') +
')</error>');
console.log(' </testcase>');
console.log('</testsuite>');
} else {
console.log('Error: ' + e.message);
}
}
});
if (options.format === 'junit') {
console.log('</testsuites>');
}
if (count > 0) {
process.exit(1);
}
if (count === 0 && typeof phantom === 'object') {
process.exit(0);
}

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{
"_from": "esprima@^1.2.2",
"_id": "esprima@1.2.5",
"_inBundle": false,
"_integrity": "sha1-CZNQL+r2aBODJXVvMPmlH+7sEek=",
"_location": "/escodegen/esprima",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "esprima@^1.2.2",
"name": "esprima",
"escapedName": "esprima",
"rawSpec": "^1.2.2",
"saveSpec": null,
"fetchSpec": "^1.2.2"
},
"_requiredBy": [
"/escodegen"
],
"_resolved": "https://registry.npmjs.org/esprima/-/esprima-1.2.5.tgz",
"_shasum": "0993502feaf668138325756f30f9a51feeec11e9",
"_spec": "esprima@^1.2.2",
"_where": "/home/manfred/enviPath/ketcher2/ketcher/node_modules/escodegen",
"author": {
"name": "Ariya Hidayat",
"email": "ariya.hidayat@gmail.com"
},
"bin": {
"esparse": "./bin/esparse.js",
"esvalidate": "./bin/esvalidate.js"
},
"bugs": {
"url": "http://issues.esprima.org"
},
"bundleDependencies": false,
"deprecated": false,
"description": "ECMAScript parsing infrastructure for multipurpose analysis",
"devDependencies": {
"complexity-report": "~0.6.1",
"eslint": "~0.4.3",
"istanbul": "~0.2.6",
"jscs": "~1.2.4",
"jslint": "~0.1.9",
"json-diff": "~0.3.1",
"optimist": "~0.6.0",
"regenerate": "~0.5.4",
"unicode-6.3.0": "~0.1.0"
},
"engines": {
"node": ">=0.4.0"
},
"files": [
"bin",
"test/run.js",
"test/runner.js",
"test/test.js",
"test/compat.js",
"test/reflect.js",
"esprima.js"
],
"homepage": "http://esprima.org",
"keywords": [
"ast",
"ecmascript",
"javascript",
"parser",
"syntax"
],
"licenses": [
{
"type": "BSD",
"url": "http://github.com/ariya/esprima/raw/master/LICENSE.BSD"
}
],
"main": "esprima.js",
"maintainers": [
{
"name": "Ariya Hidayat",
"email": "ariya.hidayat@gmail.com",
"url": "http://ariya.ofilabs.com"
}
],
"name": "esprima",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/ariya/esprima.git"
},
"scripts": {
"analyze-complexity": "node tools/list-complexity.js",
"analyze-coverage": "node node_modules/istanbul/lib/cli.js cover test/runner.js",
"benchmark": "node test/benchmarks.js",
"benchmark-quick": "node test/benchmarks.js quick",
"check-complexity": "node node_modules/complexity-report/src/cli.js --maxcc 14 --silent -l -w esprima.js",
"check-coverage": "node node_modules/istanbul/lib/cli.js check-coverage --statement 100 --branch 100 --function 100",
"check-version": "node tools/check-version.js",
"complexity": "npm run-script analyze-complexity && npm run-script check-complexity",
"coverage": "npm run-script analyze-coverage && npm run-script check-coverage",
"eslint": "node node_modules/eslint/bin/eslint.js esprima.js",
"generate-regex": "node tools/generate-identifier-regex.js",
"jscs": "node node_modules/jscs/bin/jscs esprima.js",
"jslint": "echo Skipping JSLint",
"lint": "npm run-script check-version && npm run-script eslint && npm run-script jscs && npm run-script jslint",
"test": "npm run-script lint && node test/run.js && npm run-script coverage && npm run-script complexity"
},
"version": "1.2.5"
}

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/*
Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
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 <COPYRIGHT HOLDER> 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.
*/
/*jslint node: true */
/*global document: true, window:true, esprima: true, testReflect: true */
var runTests;
function getContext(esprima, reportCase, reportFailure) {
'use strict';
var Reflect, Pattern;
// Maps Mozilla Reflect object to our Esprima parser.
Reflect = {
parse: function (code) {
var result;
reportCase(code);
try {
result = esprima.parse(code);
} catch (error) {
result = error;
}
return result;
}
};
// This is used by Reflect test suite to match a syntax tree.
Pattern = function (obj) {
var pattern;
// Poor man's deep object cloning.
pattern = JSON.parse(JSON.stringify(obj));
// Special handling for regular expression literal since we need to
// convert it to a string literal, otherwise it will be decoded
// as object "{}" and the regular expression would be lost.
if (obj.type && obj.type === 'Literal') {
if (obj.value instanceof RegExp) {
pattern = {
type: obj.type,
value: obj.value.toString()
};
}
}
// Special handling for branch statement because SpiderMonkey
// prefers to put the 'alternate' property before 'consequent'.
if (obj.type && obj.type === 'IfStatement') {
pattern = {
type: pattern.type,
test: pattern.test,
consequent: pattern.consequent,
alternate: pattern.alternate
};
}
// Special handling for do while statement because SpiderMonkey
// prefers to put the 'test' property before 'body'.
if (obj.type && obj.type === 'DoWhileStatement') {
pattern = {
type: pattern.type,
body: pattern.body,
test: pattern.test
};
}
function adjustRegexLiteralAndRaw(key, value) {
if (key === 'value' && value instanceof RegExp) {
value = value.toString();
} else if (key === 'raw' && typeof value === "string") {
// Ignore Esprima-specific 'raw' property.
return undefined;
}
return value;
}
if (obj.type && (obj.type === 'Program')) {
pattern.assert = function (tree) {
var actual, expected;
actual = JSON.stringify(tree, adjustRegexLiteralAndRaw, 4);
expected = JSON.stringify(obj, null, 4);
if (expected !== actual) {
reportFailure(expected, actual);
}
};
}
return pattern;
};
return {
Reflect: Reflect,
Pattern: Pattern
};
}
if (typeof window !== 'undefined') {
// Run all tests in a browser environment.
runTests = function () {
'use strict';
var total = 0,
failures = 0;
function setText(el, str) {
if (typeof el.innerText === 'string') {
el.innerText = str;
} else {
el.textContent = str;
}
}
function reportCase(code) {
var report, e;
report = document.getElementById('report');
e = document.createElement('pre');
e.setAttribute('class', 'code');
setText(e, code);
report.appendChild(e);
total += 1;
}
function reportFailure(expected, actual) {
var report, e;
failures += 1;
report = document.getElementById('report');
e = document.createElement('p');
setText(e, 'Expected');
report.appendChild(e);
e = document.createElement('pre');
e.setAttribute('class', 'expected');
setText(e, expected);
report.appendChild(e);
e = document.createElement('p');
setText(e, 'Actual');
report.appendChild(e);
e = document.createElement('pre');
e.setAttribute('class', 'actual');
setText(e, actual);
report.appendChild(e);
}
setText(document.getElementById('version'), esprima.version);
window.setTimeout(function () {
var tick, context = getContext(esprima, reportCase, reportFailure);
tick = new Date();
testReflect(context.Reflect, context.Pattern);
tick = (new Date()) - tick;
if (failures > 0) {
document.getElementById('status').className = 'alert-box alert';
setText(document.getElementById('status'), total + ' tests. ' +
'Failures: ' + failures + '. ' + tick + ' ms');
} else {
document.getElementById('status').className = 'alert-box success';
setText(document.getElementById('status'), total + ' tests. ' +
'No failure. ' + tick + ' ms');
}
}, 11);
};
} else {
(function (global) {
'use strict';
var esprima = require('../esprima'),
tick,
total = 0,
failures = [],
header,
current,
context;
function reportCase(code) {
total += 1;
current = code;
}
function reportFailure(expected, actual) {
failures.push({
source: current,
expected: expected.toString(),
actual: actual.toString()
});
}
context = getContext(esprima, reportCase, reportFailure);
tick = new Date();
require('./reflect').testReflect(context.Reflect, context.Pattern);
tick = (new Date()) - tick;
header = total + ' tests. ' + failures.length + ' failures. ' +
tick + ' ms';
if (failures.length) {
console.error(header);
failures.forEach(function (failure) {
console.error(failure.source + ': Expected\n ' +
failure.expected.split('\n').join('\n ') +
'\nto match\n ' + failure.actual);
});
} else {
console.log(header);
}
process.exit(failures.length === 0 ? 0 : 1);
}(this));
}
/* vim: set sw=4 ts=4 et tw=80 : */

View File

@ -0,0 +1,422 @@
// This is modified from Mozilla Reflect.parse test suite (the file is located
// at js/src/tests/js1_8_5/extensions/reflect-parse.js in the source tree).
//
// Some notable changes:
// * Removed unsupported features (destructuring, let, comprehensions...).
// * Removed tests for E4X (ECMAScript for XML).
// * Removed everything related to builder.
// * Enclosed every 'Pattern' construct with a scope.
// * Tweaked some expected tree to remove generator field.
// * Removed the test for bug 632030 and bug 632024.
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
(function (exports) {
function testReflect(Reflect, Pattern) {
function program(elts) { return Pattern({ type: "Program", body: elts }) }
function exprStmt(expr) { return Pattern({ type: "ExpressionStatement", expression: expr }) }
function throwStmt(expr) { return Pattern({ type: "ThrowStatement", argument: expr }) }
function returnStmt(expr) { return Pattern({ type: "ReturnStatement", argument: expr }) }
function yieldExpr(expr) { return Pattern({ type: "YieldExpression", argument: expr }) }
function lit(val) { return Pattern({ type: "Literal", value: val }) }
var thisExpr = Pattern({ type: "ThisExpression" });
function funDecl(id, params, body) { return Pattern({ type: "FunctionDeclaration",
id: id,
params: params,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }
function genFunDecl(id, params, body) { return Pattern({ type: "FunctionDeclaration",
id: id,
params: params,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }
function declarator(id, init) { return Pattern({ type: "VariableDeclarator", id: id, init: init }) }
function varDecl(decls) { return Pattern({ type: "VariableDeclaration", declarations: decls, kind: "var" }) }
function letDecl(decls) { return Pattern({ type: "VariableDeclaration", declarations: decls, kind: "let" }) }
function constDecl(decls) { return Pattern({ type: "VariableDeclaration", declarations: decls, kind: "const" }) }
function ident(name) { return Pattern({ type: "Identifier", name: name }) }
function dotExpr(obj, id) { return Pattern({ type: "MemberExpression", computed: false, object: obj, property: id }) }
function memExpr(obj, id) { return Pattern({ type: "MemberExpression", computed: true, object: obj, property: id }) }
function forStmt(init, test, update, body) { return Pattern({ type: "ForStatement", init: init, test: test, update: update, body: body }) }
function forInStmt(lhs, rhs, body) { return Pattern({ type: "ForInStatement", left: lhs, right: rhs, body: body, each: false }) }
function forEachInStmt(lhs, rhs, body) { return Pattern({ type: "ForInStatement", left: lhs, right: rhs, body: body, each: true }) }
function breakStmt(lab) { return Pattern({ type: "BreakStatement", label: lab }) }
function continueStmt(lab) { return Pattern({ type: "ContinueStatement", label: lab }) }
function blockStmt(body) { return Pattern({ type: "BlockStatement", body: body }) }
var emptyStmt = Pattern({ type: "EmptyStatement" });
function ifStmt(test, cons, alt) { return Pattern({ type: "IfStatement", test: test, alternate: alt, consequent: cons }) }
function labStmt(lab, stmt) { return Pattern({ type: "LabeledStatement", label: lab, body: stmt }) }
function withStmt(obj, stmt) { return Pattern({ type: "WithStatement", object: obj, body: stmt }) }
function whileStmt(test, stmt) { return Pattern({ type: "WhileStatement", test: test, body: stmt }) }
function doStmt(stmt, test) { return Pattern({ type: "DoWhileStatement", test: test, body: stmt }) }
function switchStmt(disc, cases) { return Pattern({ type: "SwitchStatement", discriminant: disc, cases: cases }) }
function caseClause(test, stmts) { return Pattern({ type: "SwitchCase", test: test, consequent: stmts }) }
function defaultClause(stmts) { return Pattern({ type: "SwitchCase", test: null, consequent: stmts }) }
function catchClause(id, guard, body) { if (guard) { return Pattern({ type: "GuardedCatchClause", param: id, guard: guard, body: body }) } else { return Pattern({ type: "CatchClause", param: id, body: body }) } }
function tryStmt(body, guarded, catches, fin) { return Pattern({ type: "TryStatement", block: body, guardedHandlers: guarded, handlers: catches, finalizer: fin }) }
function letStmt(head, body) { return Pattern({ type: "LetStatement", head: head, body: body }) }
function funExpr(id, args, body, gen) { return Pattern({ type: "FunctionExpression",
id: id,
params: args,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }
function genFunExpr(id, args, body) { return Pattern({ type: "FunctionExpression",
id: id,
params: args,
defaults: [],
body: body,
rest: null,
generator: false,
expression: false
}) }
function unExpr(op, arg) { return Pattern({ type: "UnaryExpression", operator: op, argument: arg, prefix: true }) }
function binExpr(op, left, right) { return Pattern({ type: "BinaryExpression", operator: op, left: left, right: right }) }
function aExpr(op, left, right) { return Pattern({ type: "AssignmentExpression", operator: op, left: left, right: right }) }
function updExpr(op, arg, prefix) { return Pattern({ type: "UpdateExpression", operator: op, argument: arg, prefix: prefix }) }
function logExpr(op, left, right) { return Pattern({ type: "LogicalExpression", operator: op, left: left, right: right }) }
function condExpr(test, cons, alt) { return Pattern({ type: "ConditionalExpression", test: test, consequent: cons, alternate: alt }) }
function seqExpr(exprs) { return Pattern({ type: "SequenceExpression", expressions: exprs }) }
function newExpr(callee, args) { return Pattern({ type: "NewExpression", callee: callee, arguments: args }) }
function callExpr(callee, args) { return Pattern({ type: "CallExpression", callee: callee, arguments: args }) }
function arrExpr(elts) { return Pattern({ type: "ArrayExpression", elements: elts }) }
function objExpr(elts) { return Pattern({ type: "ObjectExpression", properties: elts }) }
function objProp(key, value, kind) { return Pattern({ type: "Property", key: key, value: value, kind: kind }) }
function arrPatt(elts) { return Pattern({ type: "ArrayPattern", elements: elts }) }
function objPatt(elts) { return Pattern({ type: "ObjectPattern", properties: elts }) }
function localSrc(src) { return "(function(){ " + src + " })" }
function localPatt(patt) { return program([exprStmt(funExpr(null, [], blockStmt([patt])))]) }
function blockSrc(src) { return "(function(){ { " + src + " } })" }
function blockPatt(patt) { return program([exprStmt(funExpr(null, [], blockStmt([blockStmt([patt])])))]) }
function assertBlockStmt(src, patt) {
blockPatt(patt).assert(Reflect.parse(blockSrc(src)));
}
function assertBlockExpr(src, patt) {
assertBlockStmt(src, exprStmt(patt));
}
function assertBlockDecl(src, patt, builder) {
blockPatt(patt).assert(Reflect.parse(blockSrc(src), {builder: builder}));
}
function assertLocalStmt(src, patt) {
localPatt(patt).assert(Reflect.parse(localSrc(src)));
}
function assertLocalExpr(src, patt) {
assertLocalStmt(src, exprStmt(patt));
}
function assertLocalDecl(src, patt) {
localPatt(patt).assert(Reflect.parse(localSrc(src)));
}
function assertGlobalStmt(src, patt, builder) {
program([patt]).assert(Reflect.parse(src, {builder: builder}));
}
function assertGlobalExpr(src, patt, builder) {
program([exprStmt(patt)]).assert(Reflect.parse(src, {builder: builder}));
//assertStmt(src, exprStmt(patt));
}
function assertGlobalDecl(src, patt) {
program([patt]).assert(Reflect.parse(src));
}
function assertProg(src, patt) {
program(patt).assert(Reflect.parse(src));
}
function assertStmt(src, patt) {
assertLocalStmt(src, patt);
assertGlobalStmt(src, patt);
assertBlockStmt(src, patt);
}
function assertExpr(src, patt) {
assertLocalExpr(src, patt);
assertGlobalExpr(src, patt);
assertBlockExpr(src, patt);
}
function assertDecl(src, patt) {
assertLocalDecl(src, patt);
assertGlobalDecl(src, patt);
assertBlockDecl(src, patt);
}
function assertError(src, errorType) {
try {
Reflect.parse(src);
} catch (e) {
return;
}
throw new Error("expected " + errorType.name + " for " + uneval(src));
}
// general tests
// NB: These are useful but for now jit-test doesn't do I/O reliably.
//program(_).assert(Reflect.parse(snarf('data/flapjax.txt')));
//program(_).assert(Reflect.parse(snarf('data/jquery-1.4.2.txt')));
//program(_).assert(Reflect.parse(snarf('data/prototype.js')));
//program(_).assert(Reflect.parse(snarf('data/dojo.js.uncompressed.js')));
//program(_).assert(Reflect.parse(snarf('data/mootools-1.2.4-core-nc.js')));
// declarations
assertDecl("var x = 1, y = 2, z = 3",
varDecl([declarator(ident("x"), lit(1)),
declarator(ident("y"), lit(2)),
declarator(ident("z"), lit(3))]));
assertDecl("var x, y, z",
varDecl([declarator(ident("x"), null),
declarator(ident("y"), null),
declarator(ident("z"), null)]));
assertDecl("function foo() { }",
funDecl(ident("foo"), [], blockStmt([])));
assertDecl("function foo() { return 42 }",
funDecl(ident("foo"), [], blockStmt([returnStmt(lit(42))])));
// Bug 591437: rebound args have their defs turned into uses
assertDecl("function f(a) { function a() { } }",
funDecl(ident("f"), [ident("a")], blockStmt([funDecl(ident("a"), [], blockStmt([]))])));
assertDecl("function f(a,b,c) { function b() { } }",
funDecl(ident("f"), [ident("a"),ident("b"),ident("c")], blockStmt([funDecl(ident("b"), [], blockStmt([]))])));
// expressions
assertExpr("true", lit(true));
assertExpr("false", lit(false));
assertExpr("42", lit(42));
assertExpr("(/asdf/)", lit(/asdf/));
assertExpr("this", thisExpr);
assertExpr("foo", ident("foo"));
assertExpr("foo.bar", dotExpr(ident("foo"), ident("bar")));
assertExpr("foo[bar]", memExpr(ident("foo"), ident("bar")));
assertExpr("(function(){})", funExpr(null, [], blockStmt([])));
assertExpr("(function f() {})", funExpr(ident("f"), [], blockStmt([])));
assertExpr("(function f(x,y,z) {})", funExpr(ident("f"), [ident("x"),ident("y"),ident("z")], blockStmt([])));
assertExpr("(++x)", updExpr("++", ident("x"), true));
assertExpr("(x++)", updExpr("++", ident("x"), false));
assertExpr("(+x)", unExpr("+", ident("x")));
assertExpr("(-x)", unExpr("-", ident("x")));
assertExpr("(!x)", unExpr("!", ident("x")));
assertExpr("(~x)", unExpr("~", ident("x")));
assertExpr("(delete x)", unExpr("delete", ident("x")));
assertExpr("(typeof x)", unExpr("typeof", ident("x")));
assertExpr("(void x)", unExpr("void", ident("x")));
assertExpr("(x == y)", binExpr("==", ident("x"), ident("y")));
assertExpr("(x != y)", binExpr("!=", ident("x"), ident("y")));
assertExpr("(x === y)", binExpr("===", ident("x"), ident("y")));
assertExpr("(x !== y)", binExpr("!==", ident("x"), ident("y")));
assertExpr("(x < y)", binExpr("<", ident("x"), ident("y")));
assertExpr("(x <= y)", binExpr("<=", ident("x"), ident("y")));
assertExpr("(x > y)", binExpr(">", ident("x"), ident("y")));
assertExpr("(x >= y)", binExpr(">=", ident("x"), ident("y")));
assertExpr("(x << y)", binExpr("<<", ident("x"), ident("y")));
assertExpr("(x >> y)", binExpr(">>", ident("x"), ident("y")));
assertExpr("(x >>> y)", binExpr(">>>", ident("x"), ident("y")));
assertExpr("(x + y)", binExpr("+", ident("x"), ident("y")));
assertExpr("(w + x + y + z)", binExpr("+", binExpr("+", binExpr("+", ident("w"), ident("x")), ident("y")), ident("z")));
assertExpr("(x - y)", binExpr("-", ident("x"), ident("y")));
assertExpr("(w - x - y - z)", binExpr("-", binExpr("-", binExpr("-", ident("w"), ident("x")), ident("y")), ident("z")));
assertExpr("(x * y)", binExpr("*", ident("x"), ident("y")));
assertExpr("(x / y)", binExpr("/", ident("x"), ident("y")));
assertExpr("(x % y)", binExpr("%", ident("x"), ident("y")));
assertExpr("(x | y)", binExpr("|", ident("x"), ident("y")));
assertExpr("(x ^ y)", binExpr("^", ident("x"), ident("y")));
assertExpr("(x & y)", binExpr("&", ident("x"), ident("y")));
assertExpr("(x in y)", binExpr("in", ident("x"), ident("y")));
assertExpr("(x instanceof y)", binExpr("instanceof", ident("x"), ident("y")));
assertExpr("(x = y)", aExpr("=", ident("x"), ident("y")));
assertExpr("(x += y)", aExpr("+=", ident("x"), ident("y")));
assertExpr("(x -= y)", aExpr("-=", ident("x"), ident("y")));
assertExpr("(x *= y)", aExpr("*=", ident("x"), ident("y")));
assertExpr("(x /= y)", aExpr("/=", ident("x"), ident("y")));
assertExpr("(x %= y)", aExpr("%=", ident("x"), ident("y")));
assertExpr("(x <<= y)", aExpr("<<=", ident("x"), ident("y")));
assertExpr("(x >>= y)", aExpr(">>=", ident("x"), ident("y")));
assertExpr("(x >>>= y)", aExpr(">>>=", ident("x"), ident("y")));
assertExpr("(x |= y)", aExpr("|=", ident("x"), ident("y")));
assertExpr("(x ^= y)", aExpr("^=", ident("x"), ident("y")));
assertExpr("(x &= y)", aExpr("&=", ident("x"), ident("y")));
assertExpr("(x || y)", logExpr("||", ident("x"), ident("y")));
assertExpr("(x && y)", logExpr("&&", ident("x"), ident("y")));
assertExpr("(w || x || y || z)", logExpr("||", logExpr("||", logExpr("||", ident("w"), ident("x")), ident("y")), ident("z")))
assertExpr("(x ? y : z)", condExpr(ident("x"), ident("y"), ident("z")));
assertExpr("(x,y)", seqExpr([ident("x"),ident("y")]))
assertExpr("(x,y,z)", seqExpr([ident("x"),ident("y"),ident("z")]))
assertExpr("(a,b,c,d,e,f,g)", seqExpr([ident("a"),ident("b"),ident("c"),ident("d"),ident("e"),ident("f"),ident("g")]));
assertExpr("(new Object)", newExpr(ident("Object"), []));
assertExpr("(new Object())", newExpr(ident("Object"), []));
assertExpr("(new Object(42))", newExpr(ident("Object"), [lit(42)]));
assertExpr("(new Object(1,2,3))", newExpr(ident("Object"), [lit(1),lit(2),lit(3)]));
assertExpr("(String())", callExpr(ident("String"), []));
assertExpr("(String(42))", callExpr(ident("String"), [lit(42)]));
assertExpr("(String(1,2,3))", callExpr(ident("String"), [lit(1),lit(2),lit(3)]));
assertExpr("[]", arrExpr([]));
assertExpr("[1]", arrExpr([lit(1)]));
assertExpr("[1,2]", arrExpr([lit(1),lit(2)]));
assertExpr("[1,2,3]", arrExpr([lit(1),lit(2),lit(3)]));
assertExpr("[1,,2,3]", arrExpr([lit(1),,lit(2),lit(3)]));
assertExpr("[1,,,2,3]", arrExpr([lit(1),,,lit(2),lit(3)]));
assertExpr("[1,,,2,,3]", arrExpr([lit(1),,,lit(2),,lit(3)]));
assertExpr("[1,,,2,,,3]", arrExpr([lit(1),,,lit(2),,,lit(3)]));
assertExpr("[,1,2,3]", arrExpr([,lit(1),lit(2),lit(3)]));
assertExpr("[,,1,2,3]", arrExpr([,,lit(1),lit(2),lit(3)]));
assertExpr("[,,,1,2,3]", arrExpr([,,,lit(1),lit(2),lit(3)]));
assertExpr("[,,,1,2,3,]", arrExpr([,,,lit(1),lit(2),lit(3)]));
assertExpr("[,,,1,2,3,,]", arrExpr([,,,lit(1),lit(2),lit(3),undefined]));
assertExpr("[,,,1,2,3,,,]", arrExpr([,,,lit(1),lit(2),lit(3),undefined,undefined]));
assertExpr("[,,,,,]", arrExpr([undefined,undefined,undefined,undefined,undefined]));
assertExpr("({})", objExpr([]));
assertExpr("({x:1})", objExpr([objProp(ident("x"), lit(1), "init")]));
assertExpr("({x:1, y:2})", objExpr([objProp(ident("x"), lit(1), "init"),
objProp(ident("y"), lit(2), "init")]));
assertExpr("({x:1, y:2, z:3})", objExpr([objProp(ident("x"), lit(1), "init"),
objProp(ident("y"), lit(2), "init"),
objProp(ident("z"), lit(3), "init") ]));
assertExpr("({x:1, 'y':2, z:3})", objExpr([objProp(ident("x"), lit(1), "init"),
objProp(lit("y"), lit(2), "init"),
objProp(ident("z"), lit(3), "init") ]));
assertExpr("({'x':1, 'y':2, z:3})", objExpr([objProp(lit("x"), lit(1), "init"),
objProp(lit("y"), lit(2), "init"),
objProp(ident("z"), lit(3), "init") ]));
assertExpr("({'x':1, 'y':2, 3:3})", objExpr([objProp(lit("x"), lit(1), "init"),
objProp(lit("y"), lit(2), "init"),
objProp(lit(3), lit(3), "init") ]));
// Bug 571617: eliminate constant-folding
assertExpr("2 + 3", binExpr("+", lit(2), lit(3)));
// Bug 632026: constant-folding
assertExpr("typeof(0?0:a)", unExpr("typeof", condExpr(lit(0), lit(0), ident("a"))));
// Bug 632056: constant-folding
program([exprStmt(ident("f")),
ifStmt(lit(1),
funDecl(ident("f"), [], blockStmt([])),
null)]).assert(Reflect.parse("f; if (1) function f(){}"));
// statements
assertStmt("throw 42", throwStmt(lit(42)));
assertStmt("for (;;) break", forStmt(null, null, null, breakStmt(null)));
assertStmt("for (x; y; z) break", forStmt(ident("x"), ident("y"), ident("z"), breakStmt(null)));
assertStmt("for (var x; y; z) break", forStmt(varDecl([declarator(ident("x"), null)]), ident("y"), ident("z"), breakStmt(null)));
assertStmt("for (var x = 42; y; z) break", forStmt(varDecl([declarator(ident("x"), lit(42))]), ident("y"), ident("z"), breakStmt(null)));
assertStmt("for (x; ; z) break", forStmt(ident("x"), null, ident("z"), breakStmt(null)));
assertStmt("for (var x; ; z) break", forStmt(varDecl([declarator(ident("x"), null)]), null, ident("z"), breakStmt(null)));
assertStmt("for (var x = 42; ; z) break", forStmt(varDecl([declarator(ident("x"), lit(42))]), null, ident("z"), breakStmt(null)));
assertStmt("for (x; y; ) break", forStmt(ident("x"), ident("y"), null, breakStmt(null)));
assertStmt("for (var x; y; ) break", forStmt(varDecl([declarator(ident("x"), null)]), ident("y"), null, breakStmt(null)));
assertStmt("for (var x = 42; y; ) break", forStmt(varDecl([declarator(ident("x"),lit(42))]), ident("y"), null, breakStmt(null)));
assertStmt("for (var x in y) break", forInStmt(varDecl([declarator(ident("x"),null)]), ident("y"), breakStmt(null)));
assertStmt("for (x in y) break", forInStmt(ident("x"), ident("y"), breakStmt(null)));
assertStmt("{ }", blockStmt([]));
assertStmt("{ throw 1; throw 2; throw 3; }", blockStmt([ throwStmt(lit(1)), throwStmt(lit(2)), throwStmt(lit(3))]));
assertStmt(";", emptyStmt);
assertStmt("if (foo) throw 42;", ifStmt(ident("foo"), throwStmt(lit(42)), null));
assertStmt("if (foo) throw 42; else true;", ifStmt(ident("foo"), throwStmt(lit(42)), exprStmt(lit(true))));
assertStmt("if (foo) { throw 1; throw 2; throw 3; }",
ifStmt(ident("foo"),
blockStmt([throwStmt(lit(1)), throwStmt(lit(2)), throwStmt(lit(3))]),
null));
assertStmt("if (foo) { throw 1; throw 2; throw 3; } else true;",
ifStmt(ident("foo"),
blockStmt([throwStmt(lit(1)), throwStmt(lit(2)), throwStmt(lit(3))]),
exprStmt(lit(true))));
assertStmt("foo: for(;;) break foo;", labStmt(ident("foo"), forStmt(null, null, null, breakStmt(ident("foo")))));
assertStmt("foo: for(;;) continue foo;", labStmt(ident("foo"), forStmt(null, null, null, continueStmt(ident("foo")))));
assertStmt("with (obj) { }", withStmt(ident("obj"), blockStmt([])));
assertStmt("with (obj) { obj; }", withStmt(ident("obj"), blockStmt([exprStmt(ident("obj"))])));
assertStmt("while (foo) { }", whileStmt(ident("foo"), blockStmt([])));
assertStmt("while (foo) { foo; }", whileStmt(ident("foo"), blockStmt([exprStmt(ident("foo"))])));
assertStmt("do { } while (foo);", doStmt(blockStmt([]), ident("foo")));
assertStmt("do { foo; } while (foo)", doStmt(blockStmt([exprStmt(ident("foo"))]), ident("foo")));
assertStmt("switch (foo) { case 1: 1; break; case 2: 2; break; default: 3; }",
switchStmt(ident("foo"),
[ caseClause(lit(1), [ exprStmt(lit(1)), breakStmt(null) ]),
caseClause(lit(2), [ exprStmt(lit(2)), breakStmt(null) ]),
defaultClause([ exprStmt(lit(3)) ]) ]));
assertStmt("switch (foo) { case 1: 1; break; case 2: 2; break; default: 3; case 42: 42; }",
switchStmt(ident("foo"),
[ caseClause(lit(1), [ exprStmt(lit(1)), breakStmt(null) ]),
caseClause(lit(2), [ exprStmt(lit(2)), breakStmt(null) ]),
defaultClause([ exprStmt(lit(3)) ]),
caseClause(lit(42), [ exprStmt(lit(42)) ]) ]));
assertStmt("try { } catch (e) { }",
tryStmt(blockStmt([]),
[],
[ catchClause(ident("e"), null, blockStmt([])) ],
null));
assertStmt("try { } catch (e) { } finally { }",
tryStmt(blockStmt([]),
[],
[ catchClause(ident("e"), null, blockStmt([])) ],
blockStmt([])));
assertStmt("try { } finally { }",
tryStmt(blockStmt([]),
[],
[],
blockStmt([])));
// redeclarations (TOK_NAME nodes with lexdef)
assertStmt("function f() { function g() { } function g() { } }",
funDecl(ident("f"), [], blockStmt([funDecl(ident("g"), [], blockStmt([])),
funDecl(ident("g"), [], blockStmt([]))])));
assertStmt("function f() { function g() { } function g() { return 42 } }",
funDecl(ident("f"), [], blockStmt([funDecl(ident("g"), [], blockStmt([])),
funDecl(ident("g"), [], blockStmt([returnStmt(lit(42))]))])));
assertStmt("function f() { var x = 42; var x = 43; }",
funDecl(ident("f"), [], blockStmt([varDecl([declarator(ident("x"),lit(42))]),
varDecl([declarator(ident("x"),lit(43))])])));
// getters and setters
assertExpr("({ get x() { return 42 } })",
objExpr([ objProp(ident("x"),
funExpr(null, [], blockStmt([returnStmt(lit(42))])),
"get" ) ]));
assertExpr("({ set x(v) { return 42 } })",
objExpr([ objProp(ident("x"),
funExpr(null, [ident("v")], blockStmt([returnStmt(lit(42))])),
"set" ) ]));
}
exports.testReflect = testReflect;
}(typeof exports === 'undefined' ? this : exports));

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@ -0,0 +1,67 @@
/*
Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
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 <COPYRIGHT HOLDER> 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.
*/
/*jslint node:true */
(function () {
'use strict';
var child = require('child_process'),
nodejs = '"' + process.execPath + '"',
ret = 0,
suites,
index;
suites = [
'runner',
'compat',
'parselibs'
];
function nextTest() {
var suite = suites[index];
if (index < suites.length) {
child.exec(nodejs + ' ./test/' + suite + '.js', function (err, stdout, stderr) {
if (stdout) {
process.stdout.write(suite + ': ' + stdout);
}
if (stderr) {
process.stderr.write(suite + ': ' + stderr);
}
if (err) {
ret = err.code;
}
index += 1;
nextTest();
});
} else {
process.exit(ret);
}
}
index = 0;
nextTest();
}());

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@ -0,0 +1,495 @@
/*
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
Copyright (C) 2011 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2011 Arpad Borsos <arpad.borsos@googlemail.com>
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 <COPYRIGHT HOLDER> 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.
*/
/*jslint browser:true node:true */
/*global esprima:true, testFixture:true */
var runTests;
// Special handling for regular expression literal since we need to
// convert it to a string literal, otherwise it will be decoded
// as object "{}" and the regular expression would be lost.
function adjustRegexLiteral(key, value) {
'use strict';
if (key === 'value' && value instanceof RegExp) {
value = value.toString();
}
return value;
}
function NotMatchingError(expected, actual) {
'use strict';
Error.call(this, 'Expected ');
this.expected = expected;
this.actual = actual;
}
NotMatchingError.prototype = new Error();
function errorToObject(e) {
'use strict';
var msg = e.toString();
// Opera 9.64 produces an non-standard string in toString().
if (msg.substr(0, 6) !== 'Error:') {
if (typeof e.message === 'string') {
msg = 'Error: ' + e.message;
}
}
return {
index: e.index,
lineNumber: e.lineNumber,
column: e.column,
message: msg
};
}
function sortedObject(o) {
if (o === null) {
return o;
}
if (o instanceof Array) {
return o.map(sortedObject);
}
if (typeof o !== 'object') {
return o;
}
if (o instanceof RegExp) {
return o;
}
var keys = Object.keys(o);
var result = {
range: undefined,
loc: undefined
};
keys.forEach(function (key) {
if (o.hasOwnProperty(key)){
result[key] = sortedObject(o[key]);
}
});
return result;
}
function hasAttachedComment(syntax) {
var key;
for (key in syntax) {
if (key === 'leadingComments' || key === 'trailingComments') {
return true;
}
if (typeof syntax[key] === 'object' && syntax[key] !== null) {
if (hasAttachedComment(syntax[key])) {
return true;
}
}
}
return false;
}
function testParse(esprima, code, syntax) {
'use strict';
var expected, tree, actual, options, StringObject, i, len, err;
// alias, so that JSLint does not complain.
StringObject = String;
options = {
comment: (typeof syntax.comments !== 'undefined'),
range: true,
loc: true,
tokens: (typeof syntax.tokens !== 'undefined'),
raw: true,
tolerant: (typeof syntax.errors !== 'undefined'),
source: null
};
if (options.comment) {
options.attachComment = hasAttachedComment(syntax);
}
if (typeof syntax.tokens !== 'undefined') {
if (syntax.tokens.length > 0) {
options.range = (typeof syntax.tokens[0].range !== 'undefined');
options.loc = (typeof syntax.tokens[0].loc !== 'undefined');
}
}
if (typeof syntax.comments !== 'undefined') {
if (syntax.comments.length > 0) {
options.range = (typeof syntax.comments[0].range !== 'undefined');
options.loc = (typeof syntax.comments[0].loc !== 'undefined');
}
}
if (options.loc) {
options.source = syntax.loc.source;
}
syntax = sortedObject(syntax);
expected = JSON.stringify(syntax, null, 4);
try {
// Some variations of the options.
tree = esprima.parse(code, { tolerant: options.tolerant });
tree = esprima.parse(code, { tolerant: options.tolerant, range: true });
tree = esprima.parse(code, { tolerant: options.tolerant, loc: true });
tree = esprima.parse(code, options);
tree = (options.comment || options.tokens || options.tolerant) ? tree : tree.body[0];
if (options.tolerant) {
for (i = 0, len = tree.errors.length; i < len; i += 1) {
tree.errors[i] = errorToObject(tree.errors[i]);
}
}
tree = sortedObject(tree);
actual = JSON.stringify(tree, adjustRegexLiteral, 4);
// Only to ensure that there is no error when using string object.
esprima.parse(new StringObject(code), options);
} catch (e) {
throw new NotMatchingError(expected, e.toString());
}
if (expected !== actual) {
throw new NotMatchingError(expected, actual);
}
function filter(key, value) {
if (key === 'value' && value instanceof RegExp) {
value = value.toString();
}
return (key === 'loc' || key === 'range') ? undefined : value;
}
if (options.tolerant) {
return;
}
// Check again without any location info.
options.range = false;
options.loc = false;
syntax = sortedObject(syntax);
expected = JSON.stringify(syntax, filter, 4);
try {
tree = esprima.parse(code, options);
tree = (options.comment || options.tokens) ? tree : tree.body[0];
if (options.tolerant) {
for (i = 0, len = tree.errors.length; i < len; i += 1) {
tree.errors[i] = errorToObject(tree.errors[i]);
}
}
tree = sortedObject(tree);
actual = JSON.stringify(tree, filter, 4);
} catch (e) {
throw new NotMatchingError(expected, e.toString());
}
if (expected !== actual) {
throw new NotMatchingError(expected, actual);
}
}
function testTokenize(esprima, code, tokens) {
'use strict';
var options, expected, actual, tree;
options = {
comment: true,
tolerant: true,
loc: true,
range: true
};
expected = JSON.stringify(tokens, null, 4);
try {
tree = esprima.tokenize(code, options);
actual = JSON.stringify(tree, null, 4);
} catch (e) {
throw new NotMatchingError(expected, e.toString());
}
if (expected !== actual) {
throw new NotMatchingError(expected, actual);
}
}
function testError(esprima, code, exception) {
'use strict';
var i, options, expected, actual, err, handleInvalidRegexFlag, tokenize;
// Different parsing options should give the same error.
options = [
{},
{ comment: true },
{ raw: true },
{ raw: true, comment: true }
];
// If handleInvalidRegexFlag is true, an invalid flag in a regular expression
// will throw an exception. In some old version V8, this is not the case
// and hence handleInvalidRegexFlag is false.
handleInvalidRegexFlag = false;
try {
'test'.match(new RegExp('[a-z]', 'x'));
} catch (e) {
handleInvalidRegexFlag = true;
}
exception.description = exception.message.replace(/Error: Line [0-9]+: /, '');
if (exception.tokenize) {
tokenize = true;
exception.tokenize = undefined;
}
expected = JSON.stringify(exception);
for (i = 0; i < options.length; i += 1) {
try {
if (tokenize) {
esprima.tokenize(code, options[i])
} else {
esprima.parse(code, options[i]);
}
} catch (e) {
err = errorToObject(e);
err.description = e.description;
actual = JSON.stringify(err);
}
if (expected !== actual) {
// Compensate for old V8 which does not handle invalid flag.
if (exception.message.indexOf('Invalid regular expression') > 0) {
if (typeof actual === 'undefined' && !handleInvalidRegexFlag) {
return;
}
}
throw new NotMatchingError(expected, actual);
}
}
}
function testAPI(esprima, code, result) {
'use strict';
var expected, res, actual;
expected = JSON.stringify(result.result, null, 4);
try {
if (typeof result.property !== 'undefined') {
res = esprima[result.property];
} else {
res = esprima[result.call].apply(esprima, result.args);
}
actual = JSON.stringify(res, adjustRegexLiteral, 4);
} catch (e) {
throw new NotMatchingError(expected, e.toString());
}
if (expected !== actual) {
throw new NotMatchingError(expected, actual);
}
}
function runTest(esprima, code, result) {
'use strict';
if (result.hasOwnProperty('lineNumber')) {
testError(esprima, code, result);
} else if (result.hasOwnProperty('result')) {
testAPI(esprima, code, result);
} else if (result instanceof Array) {
testTokenize(esprima, code, result);
} else {
testParse(esprima, code, result);
}
}
if (typeof window !== 'undefined') {
// Run all tests in a browser environment.
runTests = function () {
'use strict';
var total = 0,
failures = 0,
category,
fixture,
source,
tick,
expected,
index,
len;
function setText(el, str) {
if (typeof el.innerText === 'string') {
el.innerText = str;
} else {
el.textContent = str;
}
}
function startCategory(category) {
var report, e;
report = document.getElementById('report');
e = document.createElement('h4');
setText(e, category);
report.appendChild(e);
}
function reportSuccess(code) {
var report, e;
report = document.getElementById('report');
e = document.createElement('pre');
e.setAttribute('class', 'code');
setText(e, code);
report.appendChild(e);
}
function reportFailure(code, expected, actual) {
var report, e;
report = document.getElementById('report');
e = document.createElement('p');
setText(e, 'Code:');
report.appendChild(e);
e = document.createElement('pre');
e.setAttribute('class', 'code');
setText(e, code);
report.appendChild(e);
e = document.createElement('p');
setText(e, 'Expected');
report.appendChild(e);
e = document.createElement('pre');
e.setAttribute('class', 'expected');
setText(e, expected);
report.appendChild(e);
e = document.createElement('p');
setText(e, 'Actual');
report.appendChild(e);
e = document.createElement('pre');
e.setAttribute('class', 'actual');
setText(e, actual);
report.appendChild(e);
}
setText(document.getElementById('version'), esprima.version);
tick = new Date();
for (category in testFixture) {
if (testFixture.hasOwnProperty(category)) {
startCategory(category);
fixture = testFixture[category];
for (source in fixture) {
if (fixture.hasOwnProperty(source)) {
expected = fixture[source];
total += 1;
try {
runTest(esprima, source, expected);
reportSuccess(source, JSON.stringify(expected, null, 4));
} catch (e) {
failures += 1;
reportFailure(source, e.expected, e.actual);
}
}
}
}
}
tick = (new Date()) - tick;
if (failures > 0) {
document.getElementById('status').className = 'alert-box alert';
setText(document.getElementById('status'), total + ' tests. ' +
'Failures: ' + failures + '. ' + tick + ' ms.');
} else {
document.getElementById('status').className = 'alert-box success';
setText(document.getElementById('status'), total + ' tests. ' +
'No failure. ' + tick + ' ms.');
}
};
} else {
(function () {
'use strict';
var esprima = require('../esprima'),
vm = require('vm'),
fs = require('fs'),
diff = require('json-diff').diffString,
total = 0,
failures = [],
tick = new Date(),
expected,
header;
vm.runInThisContext(fs.readFileSync(__dirname + '/test.js', 'utf-8'));
Object.keys(testFixture).forEach(function (category) {
Object.keys(testFixture[category]).forEach(function (source) {
total += 1;
expected = testFixture[category][source];
try {
runTest(esprima, source, expected);
} catch (e) {
e.source = source;
failures.push(e);
}
});
});
tick = (new Date()) - tick;
header = total + ' tests. ' + failures.length + ' failures. ' +
tick + ' ms';
if (failures.length) {
console.error(header);
failures.forEach(function (failure) {
try {
var expectedObject = JSON.parse(failure.expected);
var actualObject = JSON.parse(failure.actual);
console.error(failure.source + ': Expected\n ' +
failure.expected.split('\n').join('\n ') +
'\nto match\n ' + failure.actual + '\nDiff:\n' +
diff(expectedObject, actualObject));
} catch (ex) {
console.error(failure.source + ': Expected\n ' +
failure.expected.split('\n').join('\n ') +
'\nto match\n ' + failure.actual);
}
});
} else {
console.log(header);
}
process.exit(failures.length === 0 ? 0 : 1);
}());
}

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