!function(e){if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.jade=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o" vs "/>", * and boolean attributes are not mirrored. * * @param {string} name * @api public */ setDoctype: function(name){ name = name || 'default'; this.doctype = doctypes[name.toLowerCase()] || ''; this.terse = this.doctype.toLowerCase() == ''; this.xml = 0 == this.doctype.indexOf(' 1 && !escape && block.nodes[0].isText && block.nodes[1].isText) this.prettyIndent(1, true); for (var i = 0; i < len; ++i) { // Pretty print text if (pp && i > 0 && !escape && block.nodes[i].isText && block.nodes[i-1].isText) this.prettyIndent(1, false); this.visit(block.nodes[i]); // Multiple text nodes are separated by newlines if (block.nodes[i+1] && block.nodes[i].isText && block.nodes[i+1].isText) this.buffer('\n'); } }, /** * Visit a mixin's `block` keyword. * * @param {MixinBlock} block * @api public */ visitMixinBlock: function(block){ if (this.pp) this.buf.push("jade.indent.push('" + Array(this.indents + 1).join(' ') + "');"); this.buf.push('block && block();'); if (this.pp) this.buf.push("jade.indent.pop();"); }, /** * Visit `doctype`. Sets terse mode to `true` when html 5 * is used, causing self-closing tags to end with ">" vs "/>", * and boolean attributes are not mirrored. * * @param {Doctype} doctype * @api public */ visitDoctype: function(doctype){ if (doctype && (doctype.val || !this.doctype)) { this.setDoctype(doctype.val || 'default'); } if (this.doctype) this.buffer(this.doctype); this.hasCompiledDoctype = true; }, /** * Visit `mixin`, generating a function that * may be called within the template. * * @param {Mixin} mixin * @api public */ visitMixin: function(mixin){ var name = 'jade_mixins['; var args = mixin.args || ''; var block = mixin.block; var attrs = mixin.attrs; var attrsBlocks = mixin.attributeBlocks; var pp = this.pp; name += (mixin.name[0]=='#' ? mixin.name.substr(2,mixin.name.length-3):'"'+mixin.name+'"')+']'; if (mixin.call) { if (pp) this.buf.push("jade.indent.push('" + Array(this.indents + 1).join(' ') + "');") if (block || attrs.length || attrsBlocks.length) { this.buf.push(name + '.call({'); if (block) { this.buf.push('block: function(){'); // Render block with no indents, dynamically added when rendered this.parentIndents++; var _indents = this.indents; this.indents = 0; this.visit(mixin.block); this.indents = _indents; this.parentIndents--; if (attrs.length || attrsBlocks.length) { this.buf.push('},'); } else { this.buf.push('}'); } } if (attrsBlocks.length) { if (attrs.length) { var val = this.attrs(attrs); attrsBlocks.unshift(val); } this.buf.push('attributes: jade.merge([' + attrsBlocks.join(',') + '])'); } else if (attrs.length) { var val = this.attrs(attrs); this.buf.push('attributes: ' + val); } if (args) { this.buf.push('}, ' + args + ');'); } else { this.buf.push('});'); } } else { this.buf.push(name + '(' + args + ');'); } if (pp) this.buf.push("jade.indent.pop();") } else { this.buf.push(name + ' = function(' + args + '){'); this.buf.push('var block = (this && this.block), attributes = (this && this.attributes) || {};'); this.parentIndents++; this.visit(block); this.parentIndents--; this.buf.push('};'); } }, /** * Visit `tag` buffering tag markup, generating * attributes, visiting the `tag`'s code and block. * * @param {Tag} tag * @api public */ visitTag: function(tag){ this.indents++; var name = tag.name , pp = this.pp , self = this; function bufferName() { if (tag.buffer) self.bufferExpression(name); else self.buffer(name); } if ('pre' == tag.name) this.escape = true; if (!this.hasCompiledTag) { if (!this.hasCompiledDoctype && 'html' == name) { this.visitDoctype(); } this.hasCompiledTag = true; } // pretty print if (pp && !tag.isInline()) this.prettyIndent(0, true); if ((~selfClosing.indexOf(name) || tag.selfClosing) && !this.xml) { this.buffer('<'); bufferName(); this.visitAttributes(tag.attrs, tag.attributeBlocks); this.terse ? this.buffer('>') : this.buffer('/>'); // if it is non-empty throw an error if (tag.block && !(tag.block.type === 'Block' && tag.block.nodes.length === 0) && tag.block.nodes.some(function (tag) { return tag.type !== 'Text' || !/^\s*$/.test(tag.val)})) { throw new Error(name + ' is self closing and should not have content.'); } } else { // Optimize attributes buffering this.buffer('<'); bufferName(); this.visitAttributes(tag.attrs, tag.attributeBlocks); this.buffer('>'); if (tag.code) this.visitCode(tag.code); this.visit(tag.block); // pretty print if (pp && !tag.isInline() && 'pre' != tag.name && !tag.canInline()) this.prettyIndent(0, true); this.buffer(''); } if ('pre' == tag.name) this.escape = false; this.indents--; }, /** * Visit `filter`, throwing when the filter does not exist. * * @param {Filter} filter * @api public */ visitFilter: function(filter){ var text = filter.block.nodes.map( function(node){ return node.val; } ).join('\n'); filter.attrs = filter.attrs || {}; filter.attrs.filename = this.options.filename; this.buffer(filters(filter.name, text, filter.attrs), true); }, /** * Visit `text` node. * * @param {Text} text * @api public */ visitText: function(text){ this.buffer(text.val, true); }, /** * Visit a `comment`, only buffering when the buffer flag is set. * * @param {Comment} comment * @api public */ visitComment: function(comment){ if (!comment.buffer) return; if (this.pp) this.prettyIndent(1, true); this.buffer(''); }, /** * Visit a `BlockComment`. * * @param {Comment} comment * @api public */ visitBlockComment: function(comment){ if (!comment.buffer) return; if (this.pp) this.prettyIndent(1, true); this.buffer(''); }, /** * Visit `code`, respecting buffer / escape flags. * If the code is followed by a block, wrap it in * a self-calling function. * * @param {Code} code * @api public */ visitCode: function(code){ // Wrap code blocks with {}. // we only wrap unbuffered code blocks ATM // since they are usually flow control // Buffer code if (code.buffer) { var val = code.val.trimLeft(); val = 'null == (jade.interp = '+val+') ? "" : jade.interp'; if (code.escape) val = 'jade.escape(' + val + ')'; this.bufferExpression(val); } else { this.buf.push(code.val); } // Block support if (code.block) { if (!code.buffer) this.buf.push('{'); this.visit(code.block); if (!code.buffer) this.buf.push('}'); } }, /** * Visit `each` block. * * @param {Each} each * @api public */ visitEach: function(each){ this.buf.push('' + '// iterate ' + each.obj + '\n' + ';(function(){\n' + ' var $$obj = ' + each.obj + ';\n' + ' if (\'number\' == typeof $$obj.length) {\n'); if (each.alternative) { this.buf.push(' if ($$obj.length) {'); } this.buf.push('' + ' for (var ' + each.key + ' = 0, $$l = $$obj.length; ' + each.key + ' < $$l; ' + each.key + '++) {\n' + ' var ' + each.val + ' = $$obj[' + each.key + '];\n'); this.visit(each.block); this.buf.push(' }\n'); if (each.alternative) { this.buf.push(' } else {'); this.visit(each.alternative); this.buf.push(' }'); } this.buf.push('' + ' } else {\n' + ' var $$l = 0;\n' + ' for (var ' + each.key + ' in $$obj) {\n' + ' $$l++;' + ' var ' + each.val + ' = $$obj[' + each.key + '];\n'); this.visit(each.block); this.buf.push(' }\n'); if (each.alternative) { this.buf.push(' if ($$l === 0) {'); this.visit(each.alternative); this.buf.push(' }'); } this.buf.push(' }\n}).call(this);\n'); }, /** * Visit `attrs`. * * @param {Array} attrs * @api public */ visitAttributes: function(attrs, attributeBlocks){ if (attributeBlocks.length) { if (attrs.length) { var val = this.attrs(attrs); attributeBlocks.unshift(val); } this.bufferExpression('jade.attrs(jade.merge([' + attributeBlocks.join(',') + ']), ' + JSON.stringify(this.terse) + ')'); } else if (attrs.length) { this.attrs(attrs, true); } }, /** * Compile attributes. */ attrs: function(attrs, buffer){ var buf = []; var classes = []; var classEscaping = []; attrs.forEach(function(attr){ var key = attr.name; var escaped = attr.escaped; if (key === 'class') { classes.push(attr.val); classEscaping.push(attr.escaped); } else if (isConstant(attr.val)) { if (buffer) { this.buffer(runtime.attr(key, toConstant(attr.val), escaped, this.terse)); } else { var val = toConstant(attr.val); if (escaped && !(key.indexOf('data') === 0 && typeof val !== 'string')) { val = runtime.escape(val); } buf.push(JSON.stringify(key) + ': ' + JSON.stringify(val)); } } else { if (buffer) { this.bufferExpression('jade.attr("' + key + '", ' + attr.val + ', ' + JSON.stringify(escaped) + ', ' + JSON.stringify(this.terse) + ')'); } else { var val = attr.val; if (escaped && !(key.indexOf('data') === 0)) { val = 'jade.escape(' + val + ')'; } else if (escaped) { val = '(typeof (jade.interp = ' + val + ') == "string" ? jade.escape(jade.interp) : jade.interp)"'; } buf.push(JSON.stringify(key) + ': ' + val); } } }.bind(this)); if (buffer) { if (classes.every(isConstant)) { this.buffer(runtime.cls(classes.map(toConstant), classEscaping)); } else { this.bufferExpression('jade.cls([' + classes.join(',') + '], ' + JSON.stringify(classEscaping) + ')'); } } else { if (classes.every(isConstant)) { classes = JSON.stringify(runtime.joinClasses(classes.map(toConstant).map(runtime.joinClasses).map(function (cls, i) { return classEscaping[i] ? runtime.escape(cls) : cls; }))); } else if (classes.length) { classes = '(jade.interp = ' + JSON.stringify(classEscaping) + ',' + ' jade.joinClasses([' + classes.join(',') + '].map(jade.joinClasses).map(function (cls, i) {' + ' return jade.interp[i] ? jade.escape(cls) : cls' + ' }))' + ')'; } if (classes.length) buf.push('"class": ' + classes); } return '{' + buf.join(',') + '}'; } }; },{"./doctypes":2,"./filters":3,"./nodes":16,"./runtime":24,"./self-closing":25,"./utils":26,"character-parser":33,"constantinople":34}],2:[function(require,module,exports){ 'use strict'; module.exports = { 'default': '' , 'xml': '' , 'transitional': '' , 'strict': '' , 'frameset': '' , '1.1': '' , 'basic': '' , 'mobile': '' }; },{}],3:[function(require,module,exports){ 'use strict'; module.exports = filter; function filter(name, str, options) { if (typeof filter[name] === 'function') { var res = filter[name](str, options); } else { throw new Error('unknown filter ":' + name + '"'); } return res; } filter.exists = function (name, str, options) { return typeof filter[name] === 'function'; }; },{}],4:[function(require,module,exports){ 'use strict'; module.exports = [ 'a' , 'abbr' , 'acronym' , 'b' , 'br' , 'code' , 'em' , 'font' , 'i' , 'img' , 'ins' , 'kbd' , 'map' , 'samp' , 'small' , 'span' , 'strong' , 'sub' , 'sup' ]; },{}],5:[function(require,module,exports){ 'use strict'; /*! * Jade * Copyright(c) 2010 TJ Holowaychuk * MIT Licensed */ /** * Module dependencies. */ var Parser = require('./parser') , Lexer = require('./lexer') , Compiler = require('./compiler') , runtime = require('./runtime') , addWith = require('with') , fs = require('fs'); /** * Expose self closing tags. */ exports.selfClosing = require('./self-closing'); /** * Default supported doctypes. */ exports.doctypes = require('./doctypes'); /** * Text filters. */ exports.filters = require('./filters'); /** * Utilities. */ exports.utils = require('./utils'); /** * Expose `Compiler`. */ exports.Compiler = Compiler; /** * Expose `Parser`. */ exports.Parser = Parser; /** * Expose `Lexer`. */ exports.Lexer = Lexer; /** * Nodes. */ exports.nodes = require('./nodes'); /** * Jade runtime helpers. */ exports.runtime = runtime; /** * Template function cache. */ exports.cache = {}; /** * Parse the given `str` of jade and return a function body. * * @param {String} str * @param {Object} options * @return {String} * @api private */ function parse(str, options){ try { // Parse var parser = new (options.parser || Parser)(str, options.filename, options); // Compile var compiler = new (options.compiler || Compiler)(parser.parse(), options) , js = compiler.compile(); // Debug compiler if (options.debug) { console.error('\nCompiled Function:\n\n\u001b[90m%s\u001b[0m', js.replace(/^/gm, ' ')); } var globals = options.globals && Array.isArray(options.globals) ? options.globals : []; globals.push('jade'); globals.push('jade_mixins'); globals.push('jade_debug'); globals.push('buf'); return '' + 'var buf = [];\n' + 'var jade_mixins = {};\n' + (options.self ? 'var self = locals || {};\n' + js : addWith('locals || {}', '\n' + js, globals)) + ';' + 'return buf.join("");'; } catch (err) { parser = parser.context(); runtime.rethrow(err, parser.filename, parser.lexer.lineno, parser.input); } } /** * Compile a `Function` representation of the given jade `str`. * * Options: * * - `compileDebug` when `false` debugging code is stripped from the compiled template, when it is explicitly `true`, the source code is included in the compiled template for better accuracy. * - `filename` used to improve errors when `compileDebug` is not `false` and to resolve imports/extends * * @param {String} str * @param {Options} options * @return {Function} * @api public */ exports.compile = function(str, options){ var options = options || {} , filename = options.filename ? JSON.stringify(options.filename) : 'undefined' , fn; str = String(str); if (options.compileDebug !== false) { fn = [ 'var jade_debug = [{ lineno: 1, filename: ' + filename + ' }];' , 'try {' , parse(str, options) , '} catch (err) {' , ' jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno' + (options.compileDebug === true ? ',' + JSON.stringify(str) : '') + ');' , '}' ].join('\n'); } else { fn = parse(str, options); } fn = new Function('locals, jade', fn) var res = function(locals){ return fn(locals, Object.create(runtime)) }; if (options.client) { res.toString = function () { var err = new Error('The `client` option is deprecated, use `jade.compileClient`'); console.error(err.stack || err.message); return exports.compileClient(str, options); }; } return res; }; /** * Compile a JavaScript source representation of the given jade `str`. * * Options: * * - `compileDebug` When it is `true`, the source code is included in the compiled template for better error messages. * - `filename` used to improve errors when `compileDebug` is not `true` and to resolve imports/extends * * @param {String} str * @param {Options} options * @return {String} * @api public */ exports.compileClient = function(str, options){ var options = options || {} , filename = options.filename ? JSON.stringify(options.filename) : 'undefined' , fn; str = String(str); if (options.compileDebug) { options.compileDebug = true; fn = [ 'var jade_debug = [{ lineno: 1, filename: ' + filename + ' }];' , 'try {' , parse(str, options) , '} catch (err) {' , ' jade.rethrow(err, jade_debug[0].filename, jade_debug[0].lineno, ' + JSON.stringify(str) + ');' , '}' ].join('\n'); } else { options.compileDebug = false; fn = parse(str, options); } return 'function template(locals) {\n' + fn + '\n}'; }; /** * Render the given `str` of jade. * * Options: * * - `cache` enable template caching * - `filename` filename required for `include` / `extends` and caching * * @param {String} str * @param {Object|Function} options or fn * @param {Function|undefined} fn * @returns {String} * @api public */ exports.render = function(str, options, fn){ // support callback API if ('function' == typeof options) { fn = options, options = undefined; } if (typeof fn === 'function') { var res try { res = exports.render(str, options); } catch (ex) { return fn(ex); } return fn(null, res); } options = options || {}; // cache requires .filename if (options.cache && !options.filename) { throw new Error('the "filename" option is required for caching'); } var path = options.filename; var tmpl = options.cache ? exports.cache[path] || (exports.cache[path] = exports.compile(str, options)) : exports.compile(str, options); return tmpl(options); }; /** * Render a Jade file at the given `path`. * * @param {String} path * @param {Object|Function} options or callback * @param {Function|undefined} fn * @returns {String} * @api public */ exports.renderFile = function(path, options, fn){ // support callback API if ('function' == typeof options) { fn = options, options = undefined; } if (typeof fn === 'function') { var res try { res = exports.renderFile(path, options); } catch (ex) { return fn(ex); } return fn(null, res); } options = options || {}; var key = path + ':string'; options.filename = path; var str = options.cache ? exports.cache[key] || (exports.cache[key] = fs.readFileSync(path, 'utf8')) : fs.readFileSync(path, 'utf8'); return exports.render(str, options); }; /** * Compile a Jade file at the given `path` for use on the client. * * @param {String} path * @param {Object} options * @returns {String} * @api public */ exports.compileFileClient = function(path, options){ options = options || {}; var key = path + ':string'; options.filename = path; var str = options.cache ? exports.cache[key] || (exports.cache[key] = fs.readFileSync(path, 'utf8')) : fs.readFileSync(path, 'utf8'); return exports.compileClient(str, options); }; /** * Express support. */ exports.__express = exports.renderFile; },{"./compiler":1,"./doctypes":2,"./filters":3,"./lexer":6,"./nodes":16,"./parser":23,"./runtime":24,"./self-closing":25,"./utils":26,"fs":27,"with":46}],6:[function(require,module,exports){ 'use strict'; var utils = require('./utils'); var characterParser = require('character-parser'); /** * Initialize `Lexer` with the given `str`. * * @param {String} str * @param {String} filename * @api private */ var Lexer = module.exports = function Lexer(str, filename) { this.input = str.replace(/\r\n|\r/g, '\n'); this.filename = filename; this.deferredTokens = []; this.lastIndents = 0; this.lineno = 1; this.stash = []; this.indentStack = []; this.indentRe = null; this.pipeless = false; }; function assertExpression(exp) { //this verifies that a JavaScript expression is valid Function('', 'return (' + exp + ')'); } function assertNestingCorrect(exp) { //this verifies that code is properly nested, but allows //invalid JavaScript such as the contents of `attributes` var res = characterParser(exp) if (res.isNesting()) { throw new Error('Nesting must match on expression `' + exp + '`') } } /** * Lexer prototype. */ Lexer.prototype = { /** * Construct a token with the given `type` and `val`. * * @param {String} type * @param {String} val * @return {Object} * @api private */ tok: function(type, val){ return { type: type , line: this.lineno , val: val } }, /** * Consume the given `len` of input. * * @param {Number} len * @api private */ consume: function(len){ this.input = this.input.substr(len); }, /** * Scan for `type` with the given `regexp`. * * @param {String} type * @param {RegExp} regexp * @return {Object} * @api private */ scan: function(regexp, type){ var captures; if (captures = regexp.exec(this.input)) { this.consume(captures[0].length); return this.tok(type, captures[1]); } }, /** * Defer the given `tok`. * * @param {Object} tok * @api private */ defer: function(tok){ this.deferredTokens.push(tok); }, /** * Lookahead `n` tokens. * * @param {Number} n * @return {Object} * @api private */ lookahead: function(n){ var fetch = n - this.stash.length; while (fetch-- > 0) this.stash.push(this.next()); return this.stash[--n]; }, /** * Return the indexOf `(` or `{` or `[` / `)` or `}` or `]` delimiters. * * @return {Number} * @api private */ bracketExpression: function(skip){ skip = skip || 0; var start = this.input[skip]; if (start != '(' && start != '{' && start != '[') throw new Error('unrecognized start character'); var end = ({'(': ')', '{': '}', '[': ']'})[start]; var range = characterParser.parseMax(this.input, {start: skip + 1}); if (this.input[range.end] !== end) throw new Error('start character ' + start + ' does not match end character ' + this.input[range.end]); return range; }, /** * Stashed token. */ stashed: function() { return this.stash.length && this.stash.shift(); }, /** * Deferred token. */ deferred: function() { return this.deferredTokens.length && this.deferredTokens.shift(); }, /** * end-of-source. */ eos: function() { if (this.input.length) return; if (this.indentStack.length) { this.indentStack.shift(); return this.tok('outdent'); } else { return this.tok('eos'); } }, /** * Blank line. */ blank: function() { var captures; if (captures = /^\n *\n/.exec(this.input)) { this.consume(captures[0].length - 1); ++this.lineno; if (this.pipeless) return this.tok('text', ''); return this.next(); } }, /** * Comment. */ comment: function() { var captures; if (captures = /^\/\/(-)?([^\n]*)/.exec(this.input)) { this.consume(captures[0].length); var tok = this.tok('comment', captures[2]); tok.buffer = '-' != captures[1]; return tok; } }, /** * Interpolated tag. */ interpolation: function() { if (/^#\{/.test(this.input)) { var match; try { match = this.bracketExpression(1); } catch (ex) { return;//not an interpolation expression, just an unmatched open interpolation } this.consume(match.end + 1); return this.tok('interpolation', match.src); } }, /** * Tag. */ tag: function() { var captures; if (captures = /^(\w[-:\w]*)(\/?)/.exec(this.input)) { this.consume(captures[0].length); var tok, name = captures[1]; if (':' == name[name.length - 1]) { name = name.slice(0, -1); tok = this.tok('tag', name); this.defer(this.tok(':')); while (' ' == this.input[0]) this.input = this.input.substr(1); } else { tok = this.tok('tag', name); } tok.selfClosing = !! captures[2]; return tok; } }, /** * Filter. */ filter: function() { return this.scan(/^:([\w\-]+)/, 'filter'); }, /** * Doctype. */ doctype: function() { if (this.scan(/^!!! *([^\n]+)?/, 'doctype')) { throw new Error('`!!!` is deprecated, you must now use `doctype`'); } var node = this.scan(/^(?:doctype) *([^\n]+)?/, 'doctype'); if (node && node.val && node.val.trim() === '5') { throw new Error('`doctype 5` is deprecated, you must now use `doctype html`'); } return node; }, /** * Id. */ id: function() { return this.scan(/^#([\w-]+)/, 'id'); }, /** * Class. */ className: function() { return this.scan(/^\.([\w-]+)/, 'class'); }, /** * Text. */ text: function() { return this.scan(/^(?:\| ?| )([^\n]+)/, 'text') || this.scan(/^(<[^\n]*)/, 'text'); }, textFail: function () { var tok; if (tok = this.scan(/^([^\.\n][^\n]+)/, 'text')) { console.warn('Warning: missing space before text for line ' + this.lineno + ' of jade file "' + this.filename + '"'); return tok; } }, /** * Dot. */ dot: function() { return this.scan(/^\./, 'dot'); }, /** * Extends. */ "extends": function() { return this.scan(/^extends? +([^\n]+)/, 'extends'); }, /** * Block prepend. */ prepend: function() { var captures; if (captures = /^prepend +([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); var mode = 'prepend' , name = captures[1] , tok = this.tok('block', name); tok.mode = mode; return tok; } }, /** * Block append. */ append: function() { var captures; if (captures = /^append +([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); var mode = 'append' , name = captures[1] , tok = this.tok('block', name); tok.mode = mode; return tok; } }, /** * Block. */ block: function() { var captures; if (captures = /^block\b *(?:(prepend|append) +)?([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); var mode = captures[1] || 'replace' , name = captures[2] , tok = this.tok('block', name); tok.mode = mode; return tok; } }, /** * Mixin Block. */ mixinBlock: function() { var captures; if (captures = /^block\s*(\n|$)/.exec(this.input)) { this.consume(captures[0].length - 1); return this.tok('mixin-block'); } }, /** * Yield. */ yield: function() { return this.scan(/^yield */, 'yield'); }, /** * Include. */ include: function() { return this.scan(/^include +([^\n]+)/, 'include'); }, /** * Include with filter */ includeFiltered: function() { var captures; if (captures = /^include:([\w\-]+) +([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); var filter = captures[1]; var path = captures[2]; var tok = this.tok('include', path); tok.filter = filter; return tok; } }, /** * Case. */ "case": function() { return this.scan(/^case +([^\n]+)/, 'case'); }, /** * When. */ when: function() { return this.scan(/^when +([^:\n]+)/, 'when'); }, /** * Default. */ "default": function() { return this.scan(/^default */, 'default'); }, /** * Call mixin. */ call: function(){ var tok, captures; if (captures = /^\+(([-\w]+)|(#\{))/.exec(this.input)) { // try to consume simple or interpolated call if (captures[2]) { // simple call this.consume(captures[0].length); tok = this.tok('call', captures[2]); } else { // interpolated call var match; try { match = this.bracketExpression(2); } catch (ex) { return;//not an interpolation expression, just an unmatched open interpolation } this.consume(match.end + 1); assertExpression(match.src); tok = this.tok('call', '#{'+match.src+'}'); } // Check for args (not attributes) if (captures = /^ *\(/.exec(this.input)) { try { var range = this.bracketExpression(captures[0].length - 1); if (!/^ *[-\w]+ *=/.test(range.src)) { // not attributes this.consume(range.end + 1); tok.args = range.src; } } catch (ex) { //not a bracket expcetion, just unmatched open parens } } return tok; } }, /** * Mixin. */ mixin: function(){ var captures; if (captures = /^mixin +([-\w]+)(?: *\((.*)\))? */.exec(this.input)) { this.consume(captures[0].length); var tok = this.tok('mixin', captures[1]); tok.args = captures[2]; return tok; } }, /** * Conditional. */ conditional: function() { var captures; if (captures = /^(if|unless|else if|else)\b([^\n]*)/.exec(this.input)) { this.consume(captures[0].length); var type = captures[1] , js = captures[2]; switch (type) { case 'if': assertExpression(js) js = 'if (' + js + ')'; break; case 'unless': assertExpression(js) js = 'if (!(' + js + '))'; break; case 'else if': assertExpression(js) js = 'else if (' + js + ')'; break; case 'else': if (js && js.trim()) { throw new Error('`else` cannot have a condition, perhaps you meant `else if`'); } js = 'else'; break; } return this.tok('code', js); } }, /** * While. */ "while": function() { var captures; if (captures = /^while +([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); assertExpression(captures[1]) return this.tok('code', 'while (' + captures[1] + ')'); } }, /** * Each. */ each: function() { var captures; if (captures = /^(?:- *)?(?:each|for) +([a-zA-Z_$][\w$]*)(?: *, *([a-zA-Z_$][\w$]*))? * in *([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); var tok = this.tok('each', captures[1]); tok.key = captures[2] || '$index'; assertExpression(captures[3]) tok.code = captures[3]; return tok; } }, /** * Code. */ code: function() { var captures; if (captures = /^(!?=|-)[ \t]*([^\n]+)/.exec(this.input)) { this.consume(captures[0].length); var flags = captures[1]; captures[1] = captures[2]; var tok = this.tok('code', captures[1]); tok.escape = flags.charAt(0) === '='; tok.buffer = flags.charAt(0) === '=' || flags.charAt(1) === '='; if (tok.buffer) assertExpression(captures[1]) return tok; } }, /** * Attributes. */ attrs: function() { if ('(' == this.input.charAt(0)) { var index = this.bracketExpression().end , str = this.input.substr(1, index-1) , tok = this.tok('attrs'); assertNestingCorrect(str); var quote = ''; var interpolate = function (attr) { return attr.replace(/(\\)?#\{(.+)/g, function(_, escape, expr){ if (escape) return _; try { var range = characterParser.parseMax(expr); if (expr[range.end] !== '}') return _.substr(0, 2) + interpolate(_.substr(2)); assertExpression(range.src) return quote + " + (" + range.src + ") + " + quote + interpolate(expr.substr(range.end + 1)); } catch (ex) { return _.substr(0, 2) + interpolate(_.substr(2)); } }); } this.consume(index + 1); tok.attrs = []; var escapedAttr = true var key = ''; var val = ''; var interpolatable = ''; var state = characterParser.defaultState(); var loc = 'key'; var isEndOfAttribute = function (i) { if (key.trim() === '') return false; if (i === str.length) return true; if (loc === 'key') { if (str[i] === ' ' || str[i] === '\n') { for (var x = i; x < str.length; x++) { if (str[x] != ' ' && str[x] != '\n') { if (str[x] === '=' || str[x] === '!' || str[x] === ',') return false; else return true; } } } return str[i] === ',' } else if (loc === 'value' && !state.isNesting()) { try { Function('', 'return (' + val + ');'); if (str[i] === ' ' || str[i] === '\n') { for (var x = i; x < str.length; x++) { if (str[x] != ' ' && str[x] != '\n') { if (characterParser.isPunctuator(str[x]) && str[x] != '"' && str[x] != "'") return false; else return true; } } } return str[i] === ','; } catch (ex) { return false; } } } this.lineno += str.split("\n").length - 1; for (var i = 0; i <= str.length; i++) { if (isEndOfAttribute(i)) { val = val.trim(); if (val) assertExpression(val) key = key.trim(); key = key.replace(/^['"]|['"]$/g, ''); tok.attrs.push({ name: key, val: '' == val ? true : val, escaped: escapedAttr }); key = val = ''; loc = 'key'; escapedAttr = false; } else { switch (loc) { case 'key-char': if (str[i] === quote) { loc = 'key'; if (i + 1 < str.length && [' ', ',', '!', '=', '\n'].indexOf(str[i + 1]) === -1) throw new Error('Unexpected character ' + str[i + 1] + ' expected ` `, `\\n`, `,`, `!` or `=`'); } else if (loc === 'key-char') { key += str[i]; } break; case 'key': if (key === '' && (str[i] === '"' || str[i] === "'")) { loc = 'key-char'; quote = str[i]; } else if (str[i] === '!' || str[i] === '=') { escapedAttr = str[i] !== '!'; if (str[i] === '!') i++; if (str[i] !== '=') throw new Error('Unexpected character ' + str[i] + ' expected `=`'); loc = 'value'; state = characterParser.defaultState(); } else { key += str[i] } break; case 'value': state = characterParser.parseChar(str[i], state); if (state.isString()) { loc = 'string'; quote = str[i]; interpolatable = str[i]; } else { val += str[i]; } break; case 'string': state = characterParser.parseChar(str[i], state); interpolatable += str[i]; if (!state.isString()) { loc = 'value'; val += interpolate(interpolatable); } break; } } } if ('/' == this.input.charAt(0)) { this.consume(1); tok.selfClosing = true; } return tok; } }, /** * &attributes block */ attributesBlock: function () { var captures; if (/^&attributes\b/.test(this.input)) { this.consume(11); var args = this.bracketExpression(); this.consume(args.end + 1); return this.tok('&attributes', args.src); } }, /** * Indent | Outdent | Newline. */ indent: function() { var captures, re; // established regexp if (this.indentRe) { captures = this.indentRe.exec(this.input); // determine regexp } else { // tabs re = /^\n(\t*) */; captures = re.exec(this.input); // spaces if (captures && !captures[1].length) { re = /^\n( *)/; captures = re.exec(this.input); } // established if (captures && captures[1].length) this.indentRe = re; } if (captures) { var tok , indents = captures[1].length; ++this.lineno; this.consume(indents + 1); if (' ' == this.input[0] || '\t' == this.input[0]) { throw new Error('Invalid indentation, you can use tabs or spaces but not both'); } // blank line if ('\n' == this.input[0]) return this.tok('newline'); // outdent if (this.indentStack.length && indents < this.indentStack[0]) { while (this.indentStack.length && this.indentStack[0] > indents) { this.stash.push(this.tok('outdent')); this.indentStack.shift(); } tok = this.stash.pop(); // indent } else if (indents && indents != this.indentStack[0]) { this.indentStack.unshift(indents); tok = this.tok('indent', indents); // newline } else { tok = this.tok('newline'); } return tok; } }, /** * Pipe-less text consumed only when * pipeless is true; */ pipelessText: function() { if (this.pipeless) { if ('\n' == this.input[0]) return; var i = this.input.indexOf('\n'); if (-1 == i) i = this.input.length; var str = this.input.substr(0, i); this.consume(str.length); return this.tok('text', str); } }, /** * ':' */ colon: function() { return this.scan(/^: */, ':'); }, fail: function () { if (/^ ($|\n)/.test(this.input)) { this.consume(1); return this.next(); } throw new Error('unexpected text ' + this.input.substr(0, 5)); }, /** * Return the next token object, or those * previously stashed by lookahead. * * @return {Object} * @api private */ advance: function(){ return this.stashed() || this.next(); }, /** * Return the next token object. * * @return {Object} * @api private */ next: function() { return this.deferred() || this.blank() || this.eos() || this.pipelessText() || this.yield() || this.doctype() || this.interpolation() || this["case"]() || this.when() || this["default"]() || this["extends"]() || this.append() || this.prepend() || this.block() || this.mixinBlock() || this.include() || this.includeFiltered() || this.mixin() || this.call() || this.conditional() || this.each() || this["while"]() || this.tag() || this.filter() || this.code() || this.id() || this.className() || this.attrs() || this.attributesBlock() || this.indent() || this.text() || this.comment() || this.colon() || this.dot() || this.textFail() || this.fail(); } }; },{"./utils":26,"character-parser":33}],7:[function(require,module,exports){ 'use strict'; var Node = require('./node'); var Block = require('./block'); /** * Initialize a `Attrs` node. * * @api public */ var Attrs = module.exports = function Attrs() { this.attributeNames = []; this.attrs = []; this.attributeBlocks = []; }; // Inherit from `Node`. Attrs.prototype = Object.create(Node.prototype); Attrs.prototype.constructor = Attrs; Attrs.prototype.type = 'Attrs'; /** * Set attribute `name` to `val`, keep in mind these become * part of a raw js object literal, so to quote a value you must * '"quote me"', otherwise or example 'user.name' is literal JavaScript. * * @param {String} name * @param {String} val * @param {Boolean} escaped * @return {Tag} for chaining * @api public */ Attrs.prototype.setAttribute = function(name, val, escaped){ this.attributeNames = this.attributeNames || []; if (name !== 'class' && this.attributeNames.indexOf(name) !== -1) { throw new Error('Duplicate attribute "' + name + '" is not allowed.'); } this.attributeNames.push(name); this.attrs.push({ name: name, val: val, escaped: escaped }); return this; }; /** * Remove attribute `name` when present. * * @param {String} name * @api public */ Attrs.prototype.removeAttribute = function(name){ for (var i = 0, len = this.attrs.length; i < len; ++i) { if (this.attrs[i] && this.attrs[i].name == name) { delete this.attrs[i]; } } }; /** * Get attribute value by `name`. * * @param {String} name * @return {String} * @api public */ Attrs.prototype.getAttribute = function(name){ for (var i = 0, len = this.attrs.length; i < len; ++i) { if (this.attrs[i] && this.attrs[i].name == name) { return this.attrs[i].val; } } }; Attrs.prototype.addAttributes = function (src) { this.attributeBlocks.push(src); }; },{"./block":9,"./node":20}],8:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a `BlockComment` with the given `block`. * * @param {String} val * @param {Block} block * @param {Boolean} buffer * @api public */ var BlockComment = module.exports = function BlockComment(val, block, buffer) { this.block = block; this.val = val; this.buffer = buffer; }; // Inherit from `Node`. BlockComment.prototype = Object.create(Node.prototype); BlockComment.prototype.constructor = BlockComment; BlockComment.prototype.type = 'BlockComment'; },{"./node":20}],9:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a new `Block` with an optional `node`. * * @param {Node} node * @api public */ var Block = module.exports = function Block(node){ this.nodes = []; if (node) this.push(node); }; // Inherit from `Node`. Block.prototype = Object.create(Node.prototype); Block.prototype.constructor = Block; Block.prototype.type = 'Block'; /** * Block flag. */ Block.prototype.isBlock = true; /** * Replace the nodes in `other` with the nodes * in `this` block. * * @param {Block} other * @api private */ Block.prototype.replace = function(other){ other.nodes = this.nodes; }; /** * Pust the given `node`. * * @param {Node} node * @return {Number} * @api public */ Block.prototype.push = function(node){ return this.nodes.push(node); }; /** * Check if this block is empty. * * @return {Boolean} * @api public */ Block.prototype.isEmpty = function(){ return 0 == this.nodes.length; }; /** * Unshift the given `node`. * * @param {Node} node * @return {Number} * @api public */ Block.prototype.unshift = function(node){ return this.nodes.unshift(node); }; /** * Return the "last" block, or the first `yield` node. * * @return {Block} * @api private */ Block.prototype.includeBlock = function(){ var ret = this , node; for (var i = 0, len = this.nodes.length; i < len; ++i) { node = this.nodes[i]; if (node.yield) return node; else if (node.textOnly) continue; else if (node.includeBlock) ret = node.includeBlock(); else if (node.block && !node.block.isEmpty()) ret = node.block.includeBlock(); if (ret.yield) return ret; } return ret; }; /** * Return a clone of this block. * * @return {Block} * @api private */ Block.prototype.clone = function(){ var clone = new Block; for (var i = 0, len = this.nodes.length; i < len; ++i) { clone.push(this.nodes[i].clone()); } return clone; }; },{"./node":20}],10:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a new `Case` with `expr`. * * @param {String} expr * @api public */ var Case = exports = module.exports = function Case(expr, block){ this.expr = expr; this.block = block; }; // Inherit from `Node`. Case.prototype = Object.create(Node.prototype); Case.prototype.constructor = Case; Case.prototype.type = 'Case'; var When = exports.When = function When(expr, block){ this.expr = expr; this.block = block; this.debug = false; }; // Inherit from `Node`. When.prototype = Object.create(Node.prototype); When.prototype.constructor = When; When.prototype.type = 'When'; },{"./node":20}],11:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a `Code` node with the given code `val`. * Code may also be optionally buffered and escaped. * * @param {String} val * @param {Boolean} buffer * @param {Boolean} escape * @api public */ var Code = module.exports = function Code(val, buffer, escape) { this.val = val; this.buffer = buffer; this.escape = escape; if (val.match(/^ *else/)) this.debug = false; }; // Inherit from `Node`. Code.prototype = Object.create(Node.prototype); Code.prototype.constructor = Code; Code.prototype.type = 'Code'; // prevent the minifiers removing this },{"./node":20}],12:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a `Comment` with the given `val`, optionally `buffer`, * otherwise the comment may render in the output. * * @param {String} val * @param {Boolean} buffer * @api public */ var Comment = module.exports = function Comment(val, buffer) { this.val = val; this.buffer = buffer; }; // Inherit from `Node`. Comment.prototype = Object.create(Node.prototype); Comment.prototype.constructor = Comment; Comment.prototype.type = 'Comment'; },{"./node":20}],13:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a `Doctype` with the given `val`. * * @param {String} val * @api public */ var Doctype = module.exports = function Doctype(val) { this.val = val; }; // Inherit from `Node`. Doctype.prototype = Object.create(Node.prototype); Doctype.prototype.constructor = Doctype; Doctype.prototype.type = 'Doctype'; },{"./node":20}],14:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize an `Each` node, representing iteration * * @param {String} obj * @param {String} val * @param {String} key * @param {Block} block * @api public */ var Each = module.exports = function Each(obj, val, key, block) { this.obj = obj; this.val = val; this.key = key; this.block = block; }; // Inherit from `Node`. Each.prototype = Object.create(Node.prototype); Each.prototype.constructor = Each; Each.prototype.type = 'Each'; },{"./node":20}],15:[function(require,module,exports){ 'use strict'; var Node = require('./node') var Block = require('./block'); /** * Initialize a `Filter` node with the given * filter `name` and `block`. * * @param {String} name * @param {Block|Node} block * @api public */ var Filter = module.exports = function Filter(name, block, attrs) { this.name = name; this.block = block; this.attrs = attrs; }; // Inherit from `Node`. Filter.prototype = Object.create(Node.prototype); Filter.prototype.constructor = Filter; Filter.prototype.type = 'Filter'; },{"./block":9,"./node":20}],16:[function(require,module,exports){ 'use strict'; exports.Node = require('./node'); exports.Tag = require('./tag'); exports.Code = require('./code'); exports.Each = require('./each'); exports.Case = require('./case'); exports.Text = require('./text'); exports.Block = require('./block'); exports.MixinBlock = require('./mixin-block'); exports.Mixin = require('./mixin'); exports.Filter = require('./filter'); exports.Comment = require('./comment'); exports.Literal = require('./literal'); exports.BlockComment = require('./block-comment'); exports.Doctype = require('./doctype'); },{"./block":9,"./block-comment":8,"./case":10,"./code":11,"./comment":12,"./doctype":13,"./each":14,"./filter":15,"./literal":17,"./mixin":19,"./mixin-block":18,"./node":20,"./tag":21,"./text":22}],17:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a `Literal` node with the given `str. * * @param {String} str * @api public */ var Literal = module.exports = function Literal(str) { this.str = str; }; // Inherit from `Node`. Literal.prototype = Object.create(Node.prototype); Literal.prototype.constructor = Literal; Literal.prototype.type = 'Literal'; },{"./node":20}],18:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a new `Block` with an optional `node`. * * @param {Node} node * @api public */ var MixinBlock = module.exports = function MixinBlock(){}; // Inherit from `Node`. MixinBlock.prototype = Object.create(Node.prototype); MixinBlock.prototype.constructor = MixinBlock; MixinBlock.prototype.type = 'MixinBlock'; },{"./node":20}],19:[function(require,module,exports){ 'use strict'; var Attrs = require('./attrs'); /** * Initialize a new `Mixin` with `name` and `block`. * * @param {String} name * @param {String} args * @param {Block} block * @api public */ var Mixin = module.exports = function Mixin(name, args, block, call){ this.name = name; this.args = args; this.block = block; this.attrs = []; this.attributeBlocks = []; this.call = call; }; // Inherit from `Attrs`. Mixin.prototype = Object.create(Attrs.prototype); Mixin.prototype.constructor = Mixin; Mixin.prototype.type = 'Mixin'; },{"./attrs":7}],20:[function(require,module,exports){ 'use strict'; var Node = module.exports = function Node(){}; /** * Clone this node (return itself) * * @return {Node} * @api private */ Node.prototype.clone = function(){ return this; }; Node.prototype.type = ''; },{}],21:[function(require,module,exports){ 'use strict'; var Attrs = require('./attrs'); var Block = require('./block'); var inlineTags = require('../inline-tags'); /** * Initialize a `Tag` node with the given tag `name` and optional `block`. * * @param {String} name * @param {Block} block * @api public */ var Tag = module.exports = function Tag(name, block) { this.name = name; this.attrs = []; this.attributeBlocks = []; this.block = block || new Block; }; // Inherit from `Attrs`. Tag.prototype = Object.create(Attrs.prototype); Tag.prototype.constructor = Tag; Tag.prototype.type = 'Tag'; /** * Clone this tag. * * @return {Tag} * @api private */ Tag.prototype.clone = function(){ var clone = new Tag(this.name, this.block.clone()); clone.line = this.line; clone.attrs = this.attrs; clone.textOnly = this.textOnly; return clone; }; /** * Check if this tag is an inline tag. * * @return {Boolean} * @api private */ Tag.prototype.isInline = function(){ return ~inlineTags.indexOf(this.name); }; /** * Check if this tag's contents can be inlined. Used for pretty printing. * * @return {Boolean} * @api private */ Tag.prototype.canInline = function(){ var nodes = this.block.nodes; function isInline(node){ // Recurse if the node is a block if (node.isBlock) return node.nodes.every(isInline); return node.isText || (node.isInline && node.isInline()); } // Empty tag if (!nodes.length) return true; // Text-only or inline-only tag if (1 == nodes.length) return isInline(nodes[0]); // Multi-line inline-only tag if (this.block.nodes.every(isInline)) { for (var i = 1, len = nodes.length; i < len; ++i) { if (nodes[i-1].isText && nodes[i].isText) return false; } return true; } // Mixed tag return false; }; },{"../inline-tags":4,"./attrs":7,"./block":9}],22:[function(require,module,exports){ 'use strict'; var Node = require('./node'); /** * Initialize a `Text` node with optional `line`. * * @param {String} line * @api public */ var Text = module.exports = function Text(line) { this.val = ''; if ('string' == typeof line) this.val = line; }; // Inherit from `Node`. Text.prototype = Object.create(Node.prototype); Text.prototype.constructor = Text; Text.prototype.type = 'Text'; /** * Flag as text. */ Text.prototype.isText = true; },{"./node":20}],23:[function(require,module,exports){ 'use strict'; var Lexer = require('./lexer'); var nodes = require('./nodes'); var utils = require('./utils'); var filters = require('./filters'); var path = require('path'); var constantinople = require('constantinople'); var parseJSExpression = require('character-parser').parseMax; var extname = path.extname; /** * Initialize `Parser` with the given input `str` and `filename`. * * @param {String} str * @param {String} filename * @param {Object} options * @api public */ var Parser = exports = module.exports = function Parser(str, filename, options){ //Strip any UTF-8 BOM off of the start of `str`, if it exists. this.input = str.replace(/^\uFEFF/, ''); this.lexer = new Lexer(this.input, filename); this.filename = filename; this.blocks = {}; this.mixins = {}; this.options = options; this.contexts = [this]; this.inMixin = false; }; /** * Parser prototype. */ Parser.prototype = { /** * Save original constructor */ constructor: Parser, /** * Push `parser` onto the context stack, * or pop and return a `Parser`. */ context: function(parser){ if (parser) { this.contexts.push(parser); } else { return this.contexts.pop(); } }, /** * Return the next token object. * * @return {Object} * @api private */ advance: function(){ return this.lexer.advance(); }, /** * Skip `n` tokens. * * @param {Number} n * @api private */ skip: function(n){ while (n--) this.advance(); }, /** * Single token lookahead. * * @return {Object} * @api private */ peek: function() { return this.lookahead(1); }, /** * Return lexer lineno. * * @return {Number} * @api private */ line: function() { return this.lexer.lineno; }, /** * `n` token lookahead. * * @param {Number} n * @return {Object} * @api private */ lookahead: function(n){ return this.lexer.lookahead(n); }, /** * Parse input returning a string of js for evaluation. * * @return {String} * @api public */ parse: function(){ var block = new nodes.Block, parser; block.line = 0; block.filename = this.filename; while ('eos' != this.peek().type) { if ('newline' == this.peek().type) { this.advance(); } else { var next = this.peek(); var expr = this.parseExpr(); expr.filename = expr.filename || this.filename; expr.line = next.line; block.push(expr); } } if (parser = this.extending) { this.context(parser); var ast = parser.parse(); this.context(); // hoist mixins for (var name in this.mixins) ast.unshift(this.mixins[name]); return ast; } return block; }, /** * Expect the given type, or throw an exception. * * @param {String} type * @api private */ expect: function(type){ if (this.peek().type === type) { return this.advance(); } else { throw new Error('expected "' + type + '", but got "' + this.peek().type + '"'); } }, /** * Accept the given `type`. * * @param {String} type * @api private */ accept: function(type){ if (this.peek().type === type) { return this.advance(); } }, /** * tag * | doctype * | mixin * | include * | filter * | comment * | text * | each * | code * | yield * | id * | class * | interpolation */ parseExpr: function(){ switch (this.peek().type) { case 'tag': return this.parseTag(); case 'mixin': return this.parseMixin(); case 'block': return this.parseBlock(); case 'mixin-block': return this.parseMixinBlock(); case 'case': return this.parseCase(); case 'when': return this.parseWhen(); case 'default': return this.parseDefault(); case 'extends': return this.parseExtends(); case 'include': return this.parseInclude(); case 'doctype': return this.parseDoctype(); case 'filter': return this.parseFilter(); case 'comment': return this.parseComment(); case 'text': return this.parseText(); case 'each': return this.parseEach(); case 'code': return this.parseCode(); case 'call': return this.parseCall(); case 'interpolation': return this.parseInterpolation(); case 'yield': this.advance(); var block = new nodes.Block; block.yield = true; return block; case 'id': case 'class': var tok = this.advance(); this.lexer.defer(this.lexer.tok('tag', 'div')); this.lexer.defer(tok); return this.parseExpr(); default: throw new Error('unexpected token "' + this.peek().type + '"'); } }, /** * Text */ parseText: function(){ var tok = this.expect('text'); var tokens = this.parseTextWithInlineTags(tok.val); if (tokens.length === 1) return tokens[0]; var node = new nodes.Block; for (var i = 0; i < tokens.length; i++) { node.push(tokens[i]); }; return node; }, /** * ':' expr * | block */ parseBlockExpansion: function(){ if (':' == this.peek().type) { this.advance(); return new nodes.Block(this.parseExpr()); } else { return this.block(); } }, /** * case */ parseCase: function(){ var val = this.expect('case').val; var node = new nodes.Case(val); node.line = this.line(); node.block = this.block(); return node; }, /** * when */ parseWhen: function(){ var val = this.expect('when').val return new nodes.Case.When(val, this.parseBlockExpansion()); }, /** * default */ parseDefault: function(){ this.expect('default'); return new nodes.Case.When('default', this.parseBlockExpansion()); }, /** * code */ parseCode: function(){ var tok = this.expect('code'); var node = new nodes.Code(tok.val, tok.buffer, tok.escape); var block; var i = 1; node.line = this.line(); while (this.lookahead(i) && 'newline' == this.lookahead(i).type) ++i; block = 'indent' == this.lookahead(i).type; if (block) { this.skip(i-1); node.block = this.block(); } return node; }, /** * comment */ parseComment: function(){ var tok = this.expect('comment'); var node; if ('indent' == this.peek().type) { this.lexer.pipeless = true; node = new nodes.BlockComment(tok.val, this.parseTextBlock(), tok.buffer); this.lexer.pipeless = false; } else { node = new nodes.Comment(tok.val, tok.buffer); } node.line = this.line(); return node; }, /** * doctype */ parseDoctype: function(){ var tok = this.expect('doctype'); var node = new nodes.Doctype(tok.val); node.line = this.line(); return node; }, /** * filter attrs? text-block */ parseFilter: function(){ var tok = this.expect('filter'); var attrs = this.accept('attrs'); var block; if ('indent' == this.peek().type) { this.lexer.pipeless = true; block = this.parseTextBlock(); this.lexer.pipeless = false; } else { block = new nodes.Block; } var options = {}; if (attrs) { attrs.attrs.forEach(function (attribute) { options[attribute.name] = constantinople.toConstant(attribute.val); }); } var node = new nodes.Filter(tok.val, block, options); node.line = this.line(); return node; }, /** * each block */ parseEach: function(){ var tok = this.expect('each'); var node = new nodes.Each(tok.code, tok.val, tok.key); node.line = this.line(); node.block = this.block(); if (this.peek().type == 'code' && this.peek().val == 'else') { this.advance(); node.alternative = this.block(); } return node; }, /** * Resolves a path relative to the template for use in * includes and extends * * @param {String} path * @param {String} purpose Used in error messages. * @return {String} * @api private */ resolvePath: function (path, purpose) { var p = require('path'); var dirname = p.dirname; var basename = p.basename; var join = p.join; if (path[0] !== '/' && !this.filename) throw new Error('the "filename" option is required to use "' + purpose + '" with "relative" paths'); if (path[0] === '/' && !this.options.basedir) throw new Error('the "basedir" option is required to use "' + purpose + '" with "absolute" paths'); path = join(path[0] === '/' ? this.options.basedir : dirname(this.filename), path); if (basename(path).indexOf('.') === -1) path += '.jade'; return path; }, /** * 'extends' name */ parseExtends: function(){ var fs = require('fs'); var path = this.resolvePath(this.expect('extends').val.trim(), 'extends'); if ('.jade' != path.substr(-5)) path += '.jade'; var str = fs.readFileSync(path, 'utf8'); var parser = new this.constructor(str, path, this.options); parser.blocks = this.blocks; parser.contexts = this.contexts; this.extending = parser; // TODO: null node return new nodes.Literal(''); }, /** * 'block' name block */ parseBlock: function(){ var block = this.expect('block'); var mode = block.mode; var name = block.val.trim(); block = 'indent' == this.peek().type ? this.block() : new nodes.Block(new nodes.Literal('')); var prev = this.blocks[name] || {prepended: [], appended: []} if (prev.mode === 'replace') return this.blocks[name] = prev; var allNodes = prev.prepended.concat(block.nodes).concat(prev.appended); switch (mode) { case 'append': prev.appended = prev.parser === this ? prev.appended.concat(block.nodes) : block.nodes.concat(prev.appended); break; case 'prepend': prev.prepended = prev.parser === this ? block.nodes.concat(prev.prepended) : prev.prepended.concat(block.nodes); break; } block.nodes = allNodes; block.appended = prev.appended; block.prepended = prev.prepended; block.mode = mode; block.parser = this; return this.blocks[name] = block; }, parseMixinBlock: function () { var block = this.expect('mixin-block'); if (!this.inMixin) { throw new Error('Anonymous blocks are not allowed unless they are part of a mixin.'); } return new nodes.MixinBlock(); }, /** * include block? */ parseInclude: function(){ var fs = require('fs'); var tok = this.expect('include'); var path = this.resolvePath(tok.val.trim(), 'include'); // has-filter if (tok.filter) { var str = fs.readFileSync(path, 'utf8').replace(/\r/g, ''); str = filters(tok.filter, str, { filename: path }); return new nodes.Literal(str); } // non-jade if ('.jade' != path.substr(-5)) { var str = fs.readFileSync(path, 'utf8').replace(/\r/g, ''); return new nodes.Literal(str); } var str = fs.readFileSync(path, 'utf8'); var parser = new this.constructor(str, path, this.options); parser.blocks = utils.merge({}, this.blocks); parser.mixins = this.mixins; this.context(parser); var ast = parser.parse(); this.context(); ast.filename = path; if ('indent' == this.peek().type) { ast.includeBlock().push(this.block()); } return ast; }, /** * call ident block */ parseCall: function(){ var tok = this.expect('call'); var name = tok.val; var args = tok.args; var mixin = new nodes.Mixin(name, args, new nodes.Block, true); this.tag(mixin); if (mixin.code) { mixin.block.push(mixin.code); mixin.code = null; } if (mixin.block.isEmpty()) mixin.block = null; return mixin; }, /** * mixin block */ parseMixin: function(){ var tok = this.expect('mixin'); var name = tok.val; var args = tok.args; var mixin; // definition if ('indent' == this.peek().type) { this.inMixin = true; mixin = new nodes.Mixin(name, args, this.block(), false); this.mixins[name] = mixin; this.inMixin = false; return mixin; // call } else { return new nodes.Mixin(name, args, null, true); } }, parseTextWithInlineTags: function (str) { var line = this.line(); var match = /(\\)?#\[((?:.|\n)*)$/.exec(str); if (match) { if (match[1]) { // escape var text = new nodes.Text(str.substr(0, match.index) + '#['); text.line = line; var rest = this.parseTextWithInlineTags(match[2]); if (rest[0].type === 'Text') { text.val += rest[0].val; rest.shift(); } return [text].concat(rest); } else { var text = new nodes.Text(str.substr(0, match.index)); text.line = line; var buffer = [text]; var rest = match[2]; var range = parseJSExpression(rest); var inner = new Parser(range.src, this.filename, this.options); buffer.push(inner.parse()); return buffer.concat(this.parseTextWithInlineTags(rest.substr(range.end + 1))); } } else { var text = new nodes.Text(str); text.line = line; return [text]; } }, /** * indent (text | newline)* outdent */ parseTextBlock: function(){ var block = new nodes.Block; block.line = this.line(); var spaces = this.expect('indent').val; if (null == this._spaces) this._spaces = spaces; var indent = Array(spaces - this._spaces + 1).join(' '); while ('outdent' != this.peek().type) { switch (this.peek().type) { case 'newline': this.advance(); break; case 'indent': this.parseTextBlock(true).nodes.forEach(function(node){ block.push(node); }); break; default: var texts = this.parseTextWithInlineTags(indent + this.advance().val); texts.forEach(function (text) { block.push(text); }); } } if (spaces == this._spaces) this._spaces = null; this.expect('outdent'); return block; }, /** * indent expr* outdent */ block: function(){ var block = new nodes.Block; block.line = this.line(); block.filename = this.filename; this.expect('indent'); while ('outdent' != this.peek().type) { if ('newline' == this.peek().type) { this.advance(); } else { var expr = this.parseExpr(); expr.filename = this.filename; block.push(expr); } } this.expect('outdent'); return block; }, /** * interpolation (attrs | class | id)* (text | code | ':')? newline* block? */ parseInterpolation: function(){ var tok = this.advance(); var tag = new nodes.Tag(tok.val); tag.buffer = true; return this.tag(tag); }, /** * tag (attrs | class | id)* (text | code | ':')? newline* block? */ parseTag: function(){ var tok = this.advance(); var tag = new nodes.Tag(tok.val); tag.selfClosing = tok.selfClosing; return this.tag(tag); }, /** * Parse tag. */ tag: function(tag){ tag.line = this.line(); var seenAttrs = false; // (attrs | class | id)* out: while (true) { switch (this.peek().type) { case 'id': case 'class': var tok = this.advance(); tag.setAttribute(tok.type, "'" + tok.val + "'"); continue; case 'attrs': if (seenAttrs) { console.warn('You should not have jade tags with multiple attributes.'); } seenAttrs = true; var tok = this.advance(); var attrs = tok.attrs; if (tok.selfClosing) tag.selfClosing = true; for (var i = 0; i < attrs.length; i++) { tag.setAttribute(attrs[i].name, attrs[i].val, attrs[i].escaped); } continue; case '&attributes': var tok = this.advance(); tag.addAttributes(tok.val); break; default: break out; } } // check immediate '.' if ('dot' == this.peek().type) { tag.textOnly = true; this.advance(); } if (tag.selfClosing && ['newline', 'outdent', 'eos'].indexOf(this.peek().type) === -1 && (this.peek().type !== 'text' || /^\s*$/.text(this.peek().val))) { throw new Error(name + ' is self closing and should not have content.'); } // (text | code | ':')? switch (this.peek().type) { case 'text': tag.block.push(this.parseText()); break; case 'code': tag.code = this.parseCode(); break; case ':': this.advance(); tag.block = new nodes.Block; tag.block.push(this.parseExpr()); break; case 'newline': case 'indent': case 'outdent': case 'eos': break; default: throw new Error('Unexpected token `' + this.peek().type + '` expected `text`, `code`, `:`, `newline` or `eos`') } // newline* while ('newline' == this.peek().type) this.advance(); // block? if ('indent' == this.peek().type) { if (tag.textOnly) { this.lexer.pipeless = true; tag.block = this.parseTextBlock(); this.lexer.pipeless = false; } else { var block = this.block(); if (tag.block) { for (var i = 0, len = block.nodes.length; i < len; ++i) { tag.block.push(block.nodes[i]); } } else { tag.block = block; } } } return tag; } }; },{"./filters":3,"./lexer":6,"./nodes":16,"./utils":26,"character-parser":33,"constantinople":34,"fs":27,"path":30}],24:[function(require,module,exports){ 'use strict'; /** * Merge two attribute objects giving precedence * to values in object `b`. Classes are special-cased * allowing for arrays and merging/joining appropriately * resulting in a string. * * @param {Object} a * @param {Object} b * @return {Object} a * @api private */ exports.merge = function merge(a, b) { if (arguments.length === 1) { var attrs = a[0]; for (var i = 1; i < a.length; i++) { attrs = merge(attrs, a[i]); } return attrs; } var ac = a['class']; var bc = b['class']; if (ac || bc) { ac = ac || []; bc = bc || []; if (!Array.isArray(ac)) ac = [ac]; if (!Array.isArray(bc)) bc = [bc]; a['class'] = ac.concat(bc).filter(nulls); } for (var key in b) { if (key != 'class') { a[key] = b[key]; } } return a; }; /** * Filter null `val`s. * * @param {*} val * @return {Boolean} * @api private */ function nulls(val) { return val != null && val !== ''; } /** * join array as classes. * * @param {*} val * @return {String} */ exports.joinClasses = joinClasses; function joinClasses(val) { return Array.isArray(val) ? val.map(joinClasses).filter(nulls).join(' ') : val; } /** * Render the given classes. * * @param {Array} classes * @param {Array.} escaped * @return {String} */ exports.cls = function cls(classes, escaped) { var buf = []; for (var i = 0; i < classes.length; i++) { if (escaped && escaped[i]) { buf.push(exports.escape(joinClasses([classes[i]]))); } else { buf.push(joinClasses(classes[i])); } } var text = joinClasses(buf); if (text.length) { return ' class="' + text + '"'; } else { return ''; } }; /** * Render the given attribute. * * @param {String} key * @param {String} val * @param {Boolean} escaped * @param {Boolean} terse * @return {String} */ exports.attr = function attr(key, val, escaped, terse) { if ('boolean' == typeof val || null == val) { if (val) { return ' ' + (terse ? key : key + '="' + key + '"'); } else { return ''; } } else if (0 == key.indexOf('data') && 'string' != typeof val) { return ' ' + key + "='" + JSON.stringify(val).replace(/'/g, ''') + "'"; } else if (escaped) { return ' ' + key + '="' + exports.escape(val) + '"'; } else { return ' ' + key + '="' + val + '"'; } }; /** * Render the given attributes object. * * @param {Object} obj * @param {Object} escaped * @return {String} */ exports.attrs = function attrs(obj, terse){ var buf = []; var keys = Object.keys(obj); if (keys.length) { for (var i = 0; i < keys.length; ++i) { var key = keys[i] , val = obj[key]; if ('class' == key) { if (val = joinClasses(val)) { buf.push(' ' + key + '="' + val + '"'); } } else { buf.push(exports.attr(key, val, false, terse)); } } } return buf.join(''); }; /** * Escape the given string of `html`. * * @param {String} html * @return {String} * @api private */ exports.escape = function escape(html){ var result = String(html) .replace(/&/g, '&') .replace(//g, '>') .replace(/"/g, '"'); if (result === '' + html) return html; else return result; }; /** * Re-throw the given `err` in context to the * the jade in `filename` at the given `lineno`. * * @param {Error} err * @param {String} filename * @param {String} lineno * @api private */ exports.rethrow = function rethrow(err, filename, lineno, str){ if (!(err instanceof Error)) throw err; if ((typeof window != 'undefined' || !filename) && !str) { err.message += ' on line ' + lineno; throw err; } try { str = str || require('fs').readFileSync(filename, 'utf8') } catch (ex) { rethrow(err, null, lineno) } var context = 3 , lines = str.split('\n') , start = Math.max(lineno - context, 0) , end = Math.min(lines.length, lineno + context); // Error context var context = lines.slice(start, end).map(function(line, i){ var curr = i + start + 1; return (curr == lineno ? ' > ' : ' ') + curr + '| ' + line; }).join('\n'); // Alter exception message err.path = filename; err.message = (filename || 'Jade') + ':' + lineno + '\n' + context + '\n\n' + err.message; throw err; }; },{"fs":27}],25:[function(require,module,exports){ 'use strict'; // source: http://www.w3.org/html/wg/drafts/html/master/syntax.html#void-elements module.exports = [ 'area' , 'base' , 'br' , 'col' , 'embed' , 'hr' , 'img' , 'input' , 'keygen' , 'link' , 'menuitem' , 'meta' , 'param' , 'source' , 'track' , 'wbr' ]; },{}],26:[function(require,module,exports){ 'use strict'; /** * Merge `b` into `a`. * * @param {Object} a * @param {Object} b * @return {Object} * @api public */ exports.merge = function(a, b) { for (var key in b) a[key] = b[key]; return a; }; },{}],27:[function(require,module,exports){ },{}],28:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }); }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } },{}],29:[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; process.nextTick = (function () { var canSetImmediate = typeof window !== 'undefined' && window.setImmediate; var canPost = typeof window !== 'undefined' && window.postMessage && window.addEventListener ; if (canSetImmediate) { return function (f) { return window.setImmediate(f) }; } if (canPost) { var queue = []; window.addEventListener('message', function (ev) { var source = ev.source; if ((source === window || source === null) && ev.data === 'process-tick') { ev.stopPropagation(); if (queue.length > 0) { var fn = queue.shift(); fn(); } } }, true); return function nextTick(fn) { queue.push(fn); window.postMessage('process-tick', '*'); }; } return function nextTick(fn) { setTimeout(fn, 0); }; })(); process.title = 'browser'; process.browser = true; process.env = {}; process.argv = []; process.binding = function (name) { throw new Error('process.binding is not supported'); } // TODO(shtylman) process.cwd = function () { return '/' }; process.chdir = function (dir) { throw new Error('process.chdir is not supported'); }; },{}],30:[function(require,module,exports){ var process=require("__browserify_process");// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // resolves . and .. elements in a path array with directory names there // must be no slashes, empty elements, or device names (c:\) in the array // (so also no leading and trailing slashes - it does not distinguish // relative and absolute paths) function normalizeArray(parts, allowAboveRoot) { // if the path tries to go above the root, `up` ends up > 0 var up = 0; for (var i = parts.length - 1; i >= 0; i--) { var last = parts[i]; if (last === '.') { parts.splice(i, 1); } else if (last === '..') { parts.splice(i, 1); up++; } else if (up) { parts.splice(i, 1); up--; } } // if the path is allowed to go above the root, restore leading ..s if (allowAboveRoot) { for (; up--; up) { parts.unshift('..'); } } return parts; } // Split a filename into [root, dir, basename, ext], unix version // 'root' is just a slash, or nothing. var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; var splitPath = function(filename) { return splitPathRe.exec(filename).slice(1); }; // path.resolve([from ...], to) // posix version exports.resolve = function() { var resolvedPath = '', resolvedAbsolute = false; for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { var path = (i >= 0) ? arguments[i] : process.cwd(); // Skip empty and invalid entries if (typeof path !== 'string') { throw new TypeError('Arguments to path.resolve must be strings'); } else if (!path) { continue; } resolvedPath = path + '/' + resolvedPath; resolvedAbsolute = path.charAt(0) === '/'; } // At this point the path should be resolved to a full absolute path, but // handle relative paths to be safe (might happen when process.cwd() fails) // Normalize the path resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { return !!p; }), !resolvedAbsolute).join('/'); return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; }; // path.normalize(path) // posix version exports.normalize = function(path) { var isAbsolute = exports.isAbsolute(path), trailingSlash = substr(path, -1) === '/'; // Normalize the path path = normalizeArray(filter(path.split('/'), function(p) { return !!p; }), !isAbsolute).join('/'); if (!path && !isAbsolute) { path = '.'; } if (path && trailingSlash) { path += '/'; } return (isAbsolute ? '/' : '') + path; }; // posix version exports.isAbsolute = function(path) { return path.charAt(0) === '/'; }; // posix version exports.join = function() { var paths = Array.prototype.slice.call(arguments, 0); return exports.normalize(filter(paths, function(p, index) { if (typeof p !== 'string') { throw new TypeError('Arguments to path.join must be strings'); } return p; }).join('/')); }; // path.relative(from, to) // posix version exports.relative = function(from, to) { from = exports.resolve(from).substr(1); to = exports.resolve(to).substr(1); function trim(arr) { var start = 0; for (; start < arr.length; start++) { if (arr[start] !== '') break; } var end = arr.length - 1; for (; end >= 0; end--) { if (arr[end] !== '') break; } if (start > end) return []; return arr.slice(start, end - start + 1); } var fromParts = trim(from.split('/')); var toParts = trim(to.split('/')); var length = Math.min(fromParts.length, toParts.length); var samePartsLength = length; for (var i = 0; i < length; i++) { if (fromParts[i] !== toParts[i]) { samePartsLength = i; break; } } var outputParts = []; for (var i = samePartsLength; i < fromParts.length; i++) { outputParts.push('..'); } outputParts = outputParts.concat(toParts.slice(samePartsLength)); return outputParts.join('/'); }; exports.sep = '/'; exports.delimiter = ':'; exports.dirname = function(path) { var result = splitPath(path), root = result[0], dir = result[1]; if (!root && !dir) { // No dirname whatsoever return '.'; } if (dir) { // It has a dirname, strip trailing slash dir = dir.substr(0, dir.length - 1); } return root + dir; }; exports.basename = function(path, ext) { var f = splitPath(path)[2]; // TODO: make this comparison case-insensitive on windows? if (ext && f.substr(-1 * ext.length) === ext) { f = f.substr(0, f.length - ext.length); } return f; }; exports.extname = function(path) { return splitPath(path)[3]; }; function filter (xs, f) { if (xs.filter) return xs.filter(f); var res = []; for (var i = 0; i < xs.length; i++) { if (f(xs[i], i, xs)) res.push(xs[i]); } return res; } // String.prototype.substr - negative index don't work in IE8 var substr = 'ab'.substr(-1) === 'b' ? function (str, start, len) { return str.substr(start, len) } : function (str, start, len) { if (start < 0) start = str.length + start; return str.substr(start, len); } ; },{"__browserify_process":29}],31:[function(require,module,exports){ module.exports = function isBuffer(arg) { return arg && typeof arg === 'object' && typeof arg.copy === 'function' && typeof arg.fill === 'function' && typeof arg.readUInt8 === 'function'; } },{}],32:[function(require,module,exports){ var process=require("__browserify_process"),global=typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var formatRegExp = /%[sdj%]/g; exports.format = function(f) { if (!isString(f)) { var objects = []; for (var i = 0; i < arguments.length; i++) { objects.push(inspect(arguments[i])); } return objects.join(' '); } var i = 1; var args = arguments; var len = args.length; var str = String(f).replace(formatRegExp, function(x) { if (x === '%%') return '%'; if (i >= len) return x; switch (x) { case '%s': return String(args[i++]); case '%d': return Number(args[i++]); case '%j': try { return JSON.stringify(args[i++]); } catch (_) { return '[Circular]'; } default: return x; } }); for (var x = args[i]; i < len; x = args[++i]) { if (isNull(x) || !isObject(x)) { str += ' ' + x; } else { str += ' ' + inspect(x); } } return str; }; // Mark that a method should not be used. // Returns a modified function which warns once by default. // If --no-deprecation is set, then it is a no-op. exports.deprecate = function(fn, msg) { // Allow for deprecating things in the process of starting up. if (isUndefined(global.process)) { return function() { return exports.deprecate(fn, msg).apply(this, arguments); }; } if (process.noDeprecation === true) { return fn; } var warned = false; function deprecated() { if (!warned) { if (process.throwDeprecation) { throw new Error(msg); } else if (process.traceDeprecation) { console.trace(msg); } else { console.error(msg); } warned = true; } return fn.apply(this, arguments); } return deprecated; }; var debugs = {}; var debugEnviron; exports.debuglog = function(set) { if (isUndefined(debugEnviron)) debugEnviron = process.env.NODE_DEBUG || ''; set = set.toUpperCase(); if (!debugs[set]) { if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { var pid = process.pid; debugs[set] = function() { var msg = exports.format.apply(exports, arguments); console.error('%s %d: %s', set, pid, msg); }; } else { debugs[set] = function() {}; } } return debugs[set]; }; /** * Echos the value of a value. Trys to print the value out * in the best way possible given the different types. * * @param {Object} obj The object to print out. * @param {Object} opts Optional options object that alters the output. */ /* legacy: obj, showHidden, depth, colors*/ function inspect(obj, opts) { // default options var ctx = { seen: [], stylize: stylizeNoColor }; // legacy... if (arguments.length >= 3) ctx.depth = arguments[2]; if (arguments.length >= 4) ctx.colors = arguments[3]; if (isBoolean(opts)) { // legacy... ctx.showHidden = opts; } else if (opts) { // got an "options" object exports._extend(ctx, opts); } // set default options if (isUndefined(ctx.showHidden)) ctx.showHidden = false; if (isUndefined(ctx.depth)) ctx.depth = 2; if (isUndefined(ctx.colors)) ctx.colors = false; if (isUndefined(ctx.customInspect)) ctx.customInspect = true; if (ctx.colors) ctx.stylize = stylizeWithColor; return formatValue(ctx, obj, ctx.depth); } exports.inspect = inspect; // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics inspect.colors = { 'bold' : [1, 22], 'italic' : [3, 23], 'underline' : [4, 24], 'inverse' : [7, 27], 'white' : [37, 39], 'grey' : [90, 39], 'black' : [30, 39], 'blue' : [34, 39], 'cyan' : [36, 39], 'green' : [32, 39], 'magenta' : [35, 39], 'red' : [31, 39], 'yellow' : [33, 39] }; // Don't use 'blue' not visible on cmd.exe inspect.styles = { 'special': 'cyan', 'number': 'yellow', 'boolean': 'yellow', 'undefined': 'grey', 'null': 'bold', 'string': 'green', 'date': 'magenta', // "name": intentionally not styling 'regexp': 'red' }; function stylizeWithColor(str, styleType) { var style = inspect.styles[styleType]; if (style) { return '\u001b[' + inspect.colors[style][0] + 'm' + str + '\u001b[' + inspect.colors[style][1] + 'm'; } else { return str; } } function stylizeNoColor(str, styleType) { return str; } function arrayToHash(array) { var hash = {}; array.forEach(function(val, idx) { hash[val] = true; }); return hash; } function formatValue(ctx, value, recurseTimes) { // Provide a hook for user-specified inspect functions. // Check that value is an object with an inspect function on it if (ctx.customInspect && value && isFunction(value.inspect) && // Filter out the util module, it's inspect function is special value.inspect !== exports.inspect && // Also filter out any prototype objects using the circular check. !(value.constructor && value.constructor.prototype === value)) { var ret = value.inspect(recurseTimes, ctx); if (!isString(ret)) { ret = formatValue(ctx, ret, recurseTimes); } return ret; } // Primitive types cannot have properties var primitive = formatPrimitive(ctx, value); if (primitive) { return primitive; } // Look up the keys of the object. var keys = Object.keys(value); var visibleKeys = arrayToHash(keys); if (ctx.showHidden) { keys = Object.getOwnPropertyNames(value); } // IE doesn't make error fields non-enumerable // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx if (isError(value) && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { return formatError(value); } // Some type of object without properties can be shortcutted. if (keys.length === 0) { if (isFunction(value)) { var name = value.name ? ': ' + value.name : ''; return ctx.stylize('[Function' + name + ']', 'special'); } if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } if (isDate(value)) { return ctx.stylize(Date.prototype.toString.call(value), 'date'); } if (isError(value)) { return formatError(value); } } var base = '', array = false, braces = ['{', '}']; // Make Array say that they are Array if (isArray(value)) { array = true; braces = ['[', ']']; } // Make functions say that they are functions if (isFunction(value)) { var n = value.name ? ': ' + value.name : ''; base = ' [Function' + n + ']'; } // Make RegExps say that they are RegExps if (isRegExp(value)) { base = ' ' + RegExp.prototype.toString.call(value); } // Make dates with properties first say the date if (isDate(value)) { base = ' ' + Date.prototype.toUTCString.call(value); } // Make error with message first say the error if (isError(value)) { base = ' ' + formatError(value); } if (keys.length === 0 && (!array || value.length == 0)) { return braces[0] + base + braces[1]; } if (recurseTimes < 0) { if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } else { return ctx.stylize('[Object]', 'special'); } } ctx.seen.push(value); var output; if (array) { output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); } else { output = keys.map(function(key) { return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); }); } ctx.seen.pop(); return reduceToSingleString(output, base, braces); } function formatPrimitive(ctx, value) { if (isUndefined(value)) return ctx.stylize('undefined', 'undefined'); if (isString(value)) { var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') .replace(/'/g, "\\'") .replace(/\\"/g, '"') + '\''; return ctx.stylize(simple, 'string'); } if (isNumber(value)) return ctx.stylize('' + value, 'number'); if (isBoolean(value)) return ctx.stylize('' + value, 'boolean'); // For some reason typeof null is "object", so special case here. if (isNull(value)) return ctx.stylize('null', 'null'); } function formatError(value) { return '[' + Error.prototype.toString.call(value) + ']'; } function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { var output = []; for (var i = 0, l = value.length; i < l; ++i) { if (hasOwnProperty(value, String(i))) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, String(i), true)); } else { output.push(''); } } keys.forEach(function(key) { if (!key.match(/^\d+$/)) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, key, true)); } }); return output; } function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { var name, str, desc; desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; if (desc.get) { if (desc.set) { str = ctx.stylize('[Getter/Setter]', 'special'); } else { str = ctx.stylize('[Getter]', 'special'); } } else { if (desc.set) { str = ctx.stylize('[Setter]', 'special'); } } if (!hasOwnProperty(visibleKeys, key)) { name = '[' + key + ']'; } if (!str) { if (ctx.seen.indexOf(desc.value) < 0) { if (isNull(recurseTimes)) { str = formatValue(ctx, desc.value, null); } else { str = formatValue(ctx, desc.value, recurseTimes - 1); } if (str.indexOf('\n') > -1) { if (array) { str = str.split('\n').map(function(line) { return ' ' + line; }).join('\n').substr(2); } else { str = '\n' + str.split('\n').map(function(line) { return ' ' + line; }).join('\n'); } } } else { str = ctx.stylize('[Circular]', 'special'); } } if (isUndefined(name)) { if (array && key.match(/^\d+$/)) { return str; } name = JSON.stringify('' + key); if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { name = name.substr(1, name.length - 2); name = ctx.stylize(name, 'name'); } else { name = name.replace(/'/g, "\\'") .replace(/\\"/g, '"') .replace(/(^"|"$)/g, "'"); name = ctx.stylize(name, 'string'); } } return name + ': ' + str; } function reduceToSingleString(output, base, braces) { var numLinesEst = 0; var length = output.reduce(function(prev, cur) { numLinesEst++; if (cur.indexOf('\n') >= 0) numLinesEst++; return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; }, 0); if (length > 60) { return braces[0] + (base === '' ? '' : base + '\n ') + ' ' + output.join(',\n ') + ' ' + braces[1]; } return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; } // NOTE: These type checking functions intentionally don't use `instanceof` // because it is fragile and can be easily faked with `Object.create()`. function isArray(ar) { return Array.isArray(ar); } exports.isArray = isArray; function isBoolean(arg) { return typeof arg === 'boolean'; } exports.isBoolean = isBoolean; function isNull(arg) { return arg === null; } exports.isNull = isNull; function isNullOrUndefined(arg) { return arg == null; } exports.isNullOrUndefined = isNullOrUndefined; function isNumber(arg) { return typeof arg === 'number'; } exports.isNumber = isNumber; function isString(arg) { return typeof arg === 'string'; } exports.isString = isString; function isSymbol(arg) { return typeof arg === 'symbol'; } exports.isSymbol = isSymbol; function isUndefined(arg) { return arg === void 0; } exports.isUndefined = isUndefined; function isRegExp(re) { return isObject(re) && objectToString(re) === '[object RegExp]'; } exports.isRegExp = isRegExp; function isObject(arg) { return typeof arg === 'object' && arg !== null; } exports.isObject = isObject; function isDate(d) { return isObject(d) && objectToString(d) === '[object Date]'; } exports.isDate = isDate; function isError(e) { return isObject(e) && (objectToString(e) === '[object Error]' || e instanceof Error); } exports.isError = isError; function isFunction(arg) { return typeof arg === 'function'; } exports.isFunction = isFunction; function isPrimitive(arg) { return arg === null || typeof arg === 'boolean' || typeof arg === 'number' || typeof arg === 'string' || typeof arg === 'symbol' || // ES6 symbol typeof arg === 'undefined'; } exports.isPrimitive = isPrimitive; exports.isBuffer = require('./support/isBuffer'); function objectToString(o) { return Object.prototype.toString.call(o); } function pad(n) { return n < 10 ? '0' + n.toString(10) : n.toString(10); } var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; // 26 Feb 16:19:34 function timestamp() { var d = new Date(); var time = [pad(d.getHours()), pad(d.getMinutes()), pad(d.getSeconds())].join(':'); return [d.getDate(), months[d.getMonth()], time].join(' '); } // log is just a thin wrapper to console.log that prepends a timestamp exports.log = function() { console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); }; /** * Inherit the prototype methods from one constructor into another. * * The Function.prototype.inherits from lang.js rewritten as a standalone * function (not on Function.prototype). NOTE: If this file is to be loaded * during bootstrapping this function needs to be rewritten using some native * functions as prototype setup using normal JavaScript does not work as * expected during bootstrapping (see mirror.js in r114903). * * @param {function} ctor Constructor function which needs to inherit the * prototype. * @param {function} superCtor Constructor function to inherit prototype from. */ exports.inherits = require('inherits'); exports._extend = function(origin, add) { // Don't do anything if add isn't an object if (!add || !isObject(add)) return origin; var keys = Object.keys(add); var i = keys.length; while (i--) { origin[keys[i]] = add[keys[i]]; } return origin; }; function hasOwnProperty(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); } },{"./support/isBuffer":31,"__browserify_process":29,"inherits":28}],33:[function(require,module,exports){ exports = (module.exports = parse); exports.parse = parse; function parse(src, state, options) { options = options || {}; state = state || exports.defaultState(); var start = options.start || 0; var end = options.end || src.length; var index = start; while (index < end) { if (state.roundDepth < 0 || state.curlyDepth < 0 || state.squareDepth < 0) { throw new SyntaxError('Mismatched Bracket: ' + src[index - 1]); } exports.parseChar(src[index++], state); } return state; } exports.parseMax = parseMax; function parseMax(src, options) { options = options || {}; var start = options.start || 0; var index = start; var state = exports.defaultState(); while (state.roundDepth >= 0 && state.curlyDepth >= 0 && state.squareDepth >= 0) { if (index >= src.length) { throw new Error('The end of the string was reached with no closing bracket found.'); } exports.parseChar(src[index++], state); } var end = index - 1; return { start: start, end: end, src: src.substring(start, end) }; } exports.parseUntil = parseUntil; function parseUntil(src, delimiter, options) { options = options || {}; var includeLineComment = options.includeLineComment || false; var start = options.start || 0; var index = start; var state = exports.defaultState(); while (state.isString() || state.regexp || state.blockComment || (!includeLineComment && state.lineComment) || !startsWith(src, delimiter, index)) { exports.parseChar(src[index++], state); } var end = index; return { start: start, end: end, src: src.substring(start, end) }; } exports.parseChar = parseChar; function parseChar(character, state) { if (character.length !== 1) throw new Error('Character must be a string of length 1'); state = state || exports.defaultState(); var wasComment = state.blockComment || state.lineComment; var lastChar = state.history ? state.history[0] : ''; if (state.lineComment) { if (character === '\n') { state.lineComment = false; } } else if (state.blockComment) { if (state.lastChar === '*' && character === '/') { state.blockComment = false; } } else if (state.singleQuote) { if (character === '\'' && !state.escaped) { state.singleQuote = false; } else if (character === '\\' && !state.escaped) { state.escaped = true; } else { state.escaped = false; } } else if (state.doubleQuote) { if (character === '"' && !state.escaped) { state.doubleQuote = false; } else if (character === '\\' && !state.escaped) { state.escaped = true; } else { state.escaped = false; } } else if (state.regexp) { if (character === '/' && !state.escaped) { state.regexp = false; } else if (character === '\\' && !state.escaped) { state.escaped = true; } else { state.escaped = false; } } else if (lastChar === '/' && character === '/') { state.history = state.history.substr(1); state.lineComment = true; } else if (lastChar === '/' && character === '*') { state.history = state.history.substr(1); state.blockComment = true; } else if (character === '/' && isRegexp(state.history)) { state.regexp = true; } else if (character === '\'') { state.singleQuote = true; } else if (character === '"') { state.doubleQuote = true; } else if (character === '(') { state.roundDepth++; } else if (character === ')') { state.roundDepth--; } else if (character === '{') { state.curlyDepth++; } else if (character === '}') { state.curlyDepth--; } else if (character === '[') { state.squareDepth++; } else if (character === ']') { state.squareDepth--; } if (!state.blockComment && !state.lineComment && !wasComment) state.history = character + state.history; return state; } exports.defaultState = function () { return new State() }; function State() { this.lineComment = false; this.blockComment = false; this.singleQuote = false; this.doubleQuote = false; this.regexp = false; this.escaped = false; this.roundDepth = 0; this.curlyDepth = 0; this.squareDepth = 0; this.history = '' } State.prototype.isString = function () { return this.singleQuote || this.doubleQuote; } State.prototype.isComment = function () { return this.lineComment || this.blockComment; } State.prototype.isNesting = function () { return this.isString() || this.isComment() || this.regexp || this.roundDepth > 0 || this.curlyDepth > 0 || this.squareDepth > 0 } function startsWith(str, start, i) { return str.substr(i || 0, start.length) === start; } exports.isPunctuator = isPunctuator function isPunctuator(c) { var code = c.charCodeAt(0) switch (code) { case 46: // . dot case 40: // ( open bracket case 41: // ) close bracket case 59: // ; semicolon case 44: // , comma case 123: // { open curly brace case 125: // } close curly brace case 91: // [ case 93: // ] case 58: // : case 63: // ? case 126: // ~ case 37: // % case 38: // & case 42: // *: case 43: // + case 45: // - case 47: // / case 60: // < case 62: // > case 94: // ^ case 124: // | case 33: // ! case 61: // = return true; default: return false; } } exports.isKeyword = isKeyword function isKeyword(id) { return (id === 'if') || (id === 'in') || (id === 'do') || (id === 'var') || (id === 'for') || (id === 'new') || (id === 'try') || (id === 'let') || (id === 'this') || (id === 'else') || (id === 'case') || (id === 'void') || (id === 'with') || (id === 'enum') || (id === 'while') || (id === 'break') || (id === 'catch') || (id === 'throw') || (id === 'const') || (id === 'yield') || (id === 'class') || (id === 'super') || (id === 'return') || (id === 'typeof') || (id === 'delete') || (id === 'switch') || (id === 'export') || (id === 'import') || (id === 'default') || (id === 'finally') || (id === 'extends') || (id === 'function') || (id === 'continue') || (id === 'debugger') || (id === 'package') || (id === 'private') || (id === 'interface') || (id === 'instanceof') || (id === 'implements') || (id === 'protected') || (id === 'public') || (id === 'static') || (id === 'yield') || (id === 'let'); } function isRegexp(history) { //could be start of regexp or divide sign history = history.replace(/^\s*/, ''); //unless its an `if`, `while`, `for` or `with` it's a divide, so we assume it's a divide if (history[0] === ')') return false; //unless it's a function expression, it's a regexp, so we assume it's a regexp if (history[0] === '}') return true; //any punctuation means it's a regexp if (isPunctuator(history[0])) return true; //if the last thing was a keyword then it must be a regexp (e.g. `typeof /foo/`) if (/^\w+\b/.test(history) && isKeyword(/^\w+\b/.exec(history)[0].split('').reverse().join(''))) return true; return false; } },{}],34:[function(require,module,exports){ 'use strict' var uglify = require('uglify-js') var lastSRC = '(null)' var lastRes = true module.exports = isConstant function isConstant(src) { src = '(' + src + ')' if (lastSRC === src) return lastRes lastSRC = src try { return lastRes = (detect(src).length === 0) } catch (ex) { return lastRes = false } } isConstant.isConstant = isConstant isConstant.toConstant = toConstant function toConstant(src) { if (!isConstant(src)) throw new Error(JSON.stringify(src) + ' is not constant.') return Function('return (' + src + ')')() } function detect(src) { var ast = uglify.parse(src.toString()) ast.figure_out_scope() var globals = ast.globals .map(function (node, name) { return name }) return globals } },{"uglify-js":45}],35:[function(require,module,exports){ /* * Copyright 2009-2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE.txt or: * http://opensource.org/licenses/BSD-3-Clause */ exports.SourceMapGenerator = require('./source-map/source-map-generator').SourceMapGenerator; exports.SourceMapConsumer = require('./source-map/source-map-consumer').SourceMapConsumer; exports.SourceNode = require('./source-map/source-node').SourceNode; },{"./source-map/source-map-consumer":40,"./source-map/source-map-generator":41,"./source-map/source-node":42}],36:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { var util = require('./util'); /** * A data structure which is a combination of an array and a set. Adding a new * member is O(1), testing for membership is O(1), and finding the index of an * element is O(1). Removing elements from the set is not supported. Only * strings are supported for membership. */ function ArraySet() { this._array = []; this._set = {}; } /** * Static method for creating ArraySet instances from an existing array. */ ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) { var set = new ArraySet(); for (var i = 0, len = aArray.length; i < len; i++) { set.add(aArray[i], aAllowDuplicates); } return set; }; /** * Add the given string to this set. * * @param String aStr */ ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) { var isDuplicate = this.has(aStr); var idx = this._array.length; if (!isDuplicate || aAllowDuplicates) { this._array.push(aStr); } if (!isDuplicate) { this._set[util.toSetString(aStr)] = idx; } }; /** * Is the given string a member of this set? * * @param String aStr */ ArraySet.prototype.has = function ArraySet_has(aStr) { return Object.prototype.hasOwnProperty.call(this._set, util.toSetString(aStr)); }; /** * What is the index of the given string in the array? * * @param String aStr */ ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) { if (this.has(aStr)) { return this._set[util.toSetString(aStr)]; } throw new Error('"' + aStr + '" is not in the set.'); }; /** * What is the element at the given index? * * @param Number aIdx */ ArraySet.prototype.at = function ArraySet_at(aIdx) { if (aIdx >= 0 && aIdx < this._array.length) { return this._array[aIdx]; } throw new Error('No element indexed by ' + aIdx); }; /** * Returns the array representation of this set (which has the proper indices * indicated by indexOf). Note that this is a copy of the internal array used * for storing the members so that no one can mess with internal state. */ ArraySet.prototype.toArray = function ArraySet_toArray() { return this._array.slice(); }; exports.ArraySet = ArraySet; }); },{"./util":43,"amdefine":44}],37:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause * * Based on the Base 64 VLQ implementation in Closure Compiler: * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java * * Copyright 2011 The Closure Compiler Authors. All rights reserved. * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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 THE COPYRIGHT * OWNER OR CONTRIBUTORS 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. */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { var base64 = require('./base64'); // A single base 64 digit can contain 6 bits of data. For the base 64 variable // length quantities we use in the source map spec, the first bit is the sign, // the next four bits are the actual value, and the 6th bit is the // continuation bit. The continuation bit tells us whether there are more // digits in this value following this digit. // // Continuation // | Sign // | | // V V // 101011 var VLQ_BASE_SHIFT = 5; // binary: 100000 var VLQ_BASE = 1 << VLQ_BASE_SHIFT; // binary: 011111 var VLQ_BASE_MASK = VLQ_BASE - 1; // binary: 100000 var VLQ_CONTINUATION_BIT = VLQ_BASE; /** * Converts from a two-complement value to a value where the sign bit is * is placed in the least significant bit. For example, as decimals: * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) */ function toVLQSigned(aValue) { return aValue < 0 ? ((-aValue) << 1) + 1 : (aValue << 1) + 0; } /** * Converts to a two-complement value from a value where the sign bit is * is placed in the least significant bit. For example, as decimals: * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 */ function fromVLQSigned(aValue) { var isNegative = (aValue & 1) === 1; var shifted = aValue >> 1; return isNegative ? -shifted : shifted; } /** * Returns the base 64 VLQ encoded value. */ exports.encode = function base64VLQ_encode(aValue) { var encoded = ""; var digit; var vlq = toVLQSigned(aValue); do { digit = vlq & VLQ_BASE_MASK; vlq >>>= VLQ_BASE_SHIFT; if (vlq > 0) { // There are still more digits in this value, so we must make sure the // continuation bit is marked. digit |= VLQ_CONTINUATION_BIT; } encoded += base64.encode(digit); } while (vlq > 0); return encoded; }; /** * Decodes the next base 64 VLQ value from the given string and returns the * value and the rest of the string. */ exports.decode = function base64VLQ_decode(aStr) { var i = 0; var strLen = aStr.length; var result = 0; var shift = 0; var continuation, digit; do { if (i >= strLen) { throw new Error("Expected more digits in base 64 VLQ value."); } digit = base64.decode(aStr.charAt(i++)); continuation = !!(digit & VLQ_CONTINUATION_BIT); digit &= VLQ_BASE_MASK; result = result + (digit << shift); shift += VLQ_BASE_SHIFT; } while (continuation); return { value: fromVLQSigned(result), rest: aStr.slice(i) }; }; }); },{"./base64":38,"amdefine":44}],38:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { var charToIntMap = {}; var intToCharMap = {}; 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' .split('') .forEach(function (ch, index) { charToIntMap[ch] = index; intToCharMap[index] = ch; }); /** * Encode an integer in the range of 0 to 63 to a single base 64 digit. */ exports.encode = function base64_encode(aNumber) { if (aNumber in intToCharMap) { return intToCharMap[aNumber]; } throw new TypeError("Must be between 0 and 63: " + aNumber); }; /** * Decode a single base 64 digit to an integer. */ exports.decode = function base64_decode(aChar) { if (aChar in charToIntMap) { return charToIntMap[aChar]; } throw new TypeError("Not a valid base 64 digit: " + aChar); }; }); },{"amdefine":44}],39:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { /** * Recursive implementation of binary search. * * @param aLow Indices here and lower do not contain the needle. * @param aHigh Indices here and higher do not contain the needle. * @param aNeedle The element being searched for. * @param aHaystack The non-empty array being searched. * @param aCompare Function which takes two elements and returns -1, 0, or 1. */ function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare) { // This function terminates when one of the following is true: // // 1. We find the exact element we are looking for. // // 2. We did not find the exact element, but we can return the next // closest element that is less than that element. // // 3. We did not find the exact element, and there is no next-closest // element which is less than the one we are searching for, so we // return null. var mid = Math.floor((aHigh - aLow) / 2) + aLow; var cmp = aCompare(aNeedle, aHaystack[mid], true); if (cmp === 0) { // Found the element we are looking for. return aHaystack[mid]; } else if (cmp > 0) { // aHaystack[mid] is greater than our needle. if (aHigh - mid > 1) { // The element is in the upper half. return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare); } // We did not find an exact match, return the next closest one // (termination case 2). return aHaystack[mid]; } else { // aHaystack[mid] is less than our needle. if (mid - aLow > 1) { // The element is in the lower half. return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare); } // The exact needle element was not found in this haystack. Determine if // we are in termination case (2) or (3) and return the appropriate thing. return aLow < 0 ? null : aHaystack[aLow]; } } /** * This is an implementation of binary search which will always try and return * the next lowest value checked if there is no exact hit. This is because * mappings between original and generated line/col pairs are single points, * and there is an implicit region between each of them, so a miss just means * that you aren't on the very start of a region. * * @param aNeedle The element you are looking for. * @param aHaystack The array that is being searched. * @param aCompare A function which takes the needle and an element in the * array and returns -1, 0, or 1 depending on whether the needle is less * than, equal to, or greater than the element, respectively. */ exports.search = function search(aNeedle, aHaystack, aCompare) { return aHaystack.length > 0 ? recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare) : null; }; }); },{"amdefine":44}],40:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { var util = require('./util'); var binarySearch = require('./binary-search'); var ArraySet = require('./array-set').ArraySet; var base64VLQ = require('./base64-vlq'); /** * A SourceMapConsumer instance represents a parsed source map which we can * query for information about the original file positions by giving it a file * position in the generated source. * * The only parameter is the raw source map (either as a JSON string, or * already parsed to an object). According to the spec, source maps have the * following attributes: * * - version: Which version of the source map spec this map is following. * - sources: An array of URLs to the original source files. * - names: An array of identifiers which can be referrenced by individual mappings. * - sourceRoot: Optional. The URL root from which all sources are relative. * - sourcesContent: Optional. An array of contents of the original source files. * - mappings: A string of base64 VLQs which contain the actual mappings. * - file: The generated file this source map is associated with. * * Here is an example source map, taken from the source map spec[0]: * * { * version : 3, * file: "out.js", * sourceRoot : "", * sources: ["foo.js", "bar.js"], * names: ["src", "maps", "are", "fun"], * mappings: "AA,AB;;ABCDE;" * } * * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1# */ function SourceMapConsumer(aSourceMap) { var sourceMap = aSourceMap; if (typeof aSourceMap === 'string') { sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, '')); } var version = util.getArg(sourceMap, 'version'); var sources = util.getArg(sourceMap, 'sources'); // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which // requires the array) to play nice here. var names = util.getArg(sourceMap, 'names', []); var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null); var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null); var mappings = util.getArg(sourceMap, 'mappings'); var file = util.getArg(sourceMap, 'file', null); // Once again, Sass deviates from the spec and supplies the version as a // string rather than a number, so we use loose equality checking here. if (version != this._version) { throw new Error('Unsupported version: ' + version); } // Pass `true` below to allow duplicate names and sources. While source maps // are intended to be compressed and deduplicated, the TypeScript compiler // sometimes generates source maps with duplicates in them. See Github issue // #72 and bugzil.la/889492. this._names = ArraySet.fromArray(names, true); this._sources = ArraySet.fromArray(sources, true); this.sourceRoot = sourceRoot; this.sourcesContent = sourcesContent; this._mappings = mappings; this.file = file; } /** * Create a SourceMapConsumer from a SourceMapGenerator. * * @param SourceMapGenerator aSourceMap * The source map that will be consumed. * @returns SourceMapConsumer */ SourceMapConsumer.fromSourceMap = function SourceMapConsumer_fromSourceMap(aSourceMap) { var smc = Object.create(SourceMapConsumer.prototype); smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true); smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true); smc.sourceRoot = aSourceMap._sourceRoot; smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(), smc.sourceRoot); smc.file = aSourceMap._file; smc.__generatedMappings = aSourceMap._mappings.slice() .sort(util.compareByGeneratedPositions); smc.__originalMappings = aSourceMap._mappings.slice() .sort(util.compareByOriginalPositions); return smc; }; /** * The version of the source mapping spec that we are consuming. */ SourceMapConsumer.prototype._version = 3; /** * The list of original sources. */ Object.defineProperty(SourceMapConsumer.prototype, 'sources', { get: function () { return this._sources.toArray().map(function (s) { return this.sourceRoot ? util.join(this.sourceRoot, s) : s; }, this); } }); // `__generatedMappings` and `__originalMappings` are arrays that hold the // parsed mapping coordinates from the source map's "mappings" attribute. They // are lazily instantiated, accessed via the `_generatedMappings` and // `_originalMappings` getters respectively, and we only parse the mappings // and create these arrays once queried for a source location. We jump through // these hoops because there can be many thousands of mappings, and parsing // them is expensive, so we only want to do it if we must. // // Each object in the arrays is of the form: // // { // generatedLine: The line number in the generated code, // generatedColumn: The column number in the generated code, // source: The path to the original source file that generated this // chunk of code, // originalLine: The line number in the original source that // corresponds to this chunk of generated code, // originalColumn: The column number in the original source that // corresponds to this chunk of generated code, // name: The name of the original symbol which generated this chunk of // code. // } // // All properties except for `generatedLine` and `generatedColumn` can be // `null`. // // `_generatedMappings` is ordered by the generated positions. // // `_originalMappings` is ordered by the original positions. SourceMapConsumer.prototype.__generatedMappings = null; Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', { get: function () { if (!this.__generatedMappings) { this.__generatedMappings = []; this.__originalMappings = []; this._parseMappings(this._mappings, this.sourceRoot); } return this.__generatedMappings; } }); SourceMapConsumer.prototype.__originalMappings = null; Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', { get: function () { if (!this.__originalMappings) { this.__generatedMappings = []; this.__originalMappings = []; this._parseMappings(this._mappings, this.sourceRoot); } return this.__originalMappings; } }); /** * Parse the mappings in a string in to a data structure which we can easily * query (the ordered arrays in the `this.__generatedMappings` and * `this.__originalMappings` properties). */ SourceMapConsumer.prototype._parseMappings = function SourceMapConsumer_parseMappings(aStr, aSourceRoot) { var generatedLine = 1; var previousGeneratedColumn = 0; var previousOriginalLine = 0; var previousOriginalColumn = 0; var previousSource = 0; var previousName = 0; var mappingSeparator = /^[,;]/; var str = aStr; var mapping; var temp; while (str.length > 0) { if (str.charAt(0) === ';') { generatedLine++; str = str.slice(1); previousGeneratedColumn = 0; } else if (str.charAt(0) === ',') { str = str.slice(1); } else { mapping = {}; mapping.generatedLine = generatedLine; // Generated column. temp = base64VLQ.decode(str); mapping.generatedColumn = previousGeneratedColumn + temp.value; previousGeneratedColumn = mapping.generatedColumn; str = temp.rest; if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) { // Original source. temp = base64VLQ.decode(str); mapping.source = this._sources.at(previousSource + temp.value); previousSource += temp.value; str = temp.rest; if (str.length === 0 || mappingSeparator.test(str.charAt(0))) { throw new Error('Found a source, but no line and column'); } // Original line. temp = base64VLQ.decode(str); mapping.originalLine = previousOriginalLine + temp.value; previousOriginalLine = mapping.originalLine; // Lines are stored 0-based mapping.originalLine += 1; str = temp.rest; if (str.length === 0 || mappingSeparator.test(str.charAt(0))) { throw new Error('Found a source and line, but no column'); } // Original column. temp = base64VLQ.decode(str); mapping.originalColumn = previousOriginalColumn + temp.value; previousOriginalColumn = mapping.originalColumn; str = temp.rest; if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) { // Original name. temp = base64VLQ.decode(str); mapping.name = this._names.at(previousName + temp.value); previousName += temp.value; str = temp.rest; } } this.__generatedMappings.push(mapping); if (typeof mapping.originalLine === 'number') { this.__originalMappings.push(mapping); } } } this.__originalMappings.sort(util.compareByOriginalPositions); }; /** * Find the mapping that best matches the hypothetical "needle" mapping that * we are searching for in the given "haystack" of mappings. */ SourceMapConsumer.prototype._findMapping = function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName, aColumnName, aComparator) { // To return the position we are searching for, we must first find the // mapping for the given position and then return the opposite position it // points to. Because the mappings are sorted, we can use binary search to // find the best mapping. if (aNeedle[aLineName] <= 0) { throw new TypeError('Line must be greater than or equal to 1, got ' + aNeedle[aLineName]); } if (aNeedle[aColumnName] < 0) { throw new TypeError('Column must be greater than or equal to 0, got ' + aNeedle[aColumnName]); } return binarySearch.search(aNeedle, aMappings, aComparator); }; /** * Returns the original source, line, and column information for the generated * source's line and column positions provided. The only argument is an object * with the following properties: * * - line: The line number in the generated source. * - column: The column number in the generated source. * * and an object is returned with the following properties: * * - source: The original source file, or null. * - line: The line number in the original source, or null. * - column: The column number in the original source, or null. * - name: The original identifier, or null. */ SourceMapConsumer.prototype.originalPositionFor = function SourceMapConsumer_originalPositionFor(aArgs) { var needle = { generatedLine: util.getArg(aArgs, 'line'), generatedColumn: util.getArg(aArgs, 'column') }; var mapping = this._findMapping(needle, this._generatedMappings, "generatedLine", "generatedColumn", util.compareByGeneratedPositions); if (mapping) { var source = util.getArg(mapping, 'source', null); if (source && this.sourceRoot) { source = util.join(this.sourceRoot, source); } return { source: source, line: util.getArg(mapping, 'originalLine', null), column: util.getArg(mapping, 'originalColumn', null), name: util.getArg(mapping, 'name', null) }; } return { source: null, line: null, column: null, name: null }; }; /** * Returns the original source content. The only argument is the url of the * original source file. Returns null if no original source content is * availible. */ SourceMapConsumer.prototype.sourceContentFor = function SourceMapConsumer_sourceContentFor(aSource) { if (!this.sourcesContent) { return null; } if (this.sourceRoot) { aSource = util.relative(this.sourceRoot, aSource); } if (this._sources.has(aSource)) { return this.sourcesContent[this._sources.indexOf(aSource)]; } var url; if (this.sourceRoot && (url = util.urlParse(this.sourceRoot))) { // XXX: file:// URIs and absolute paths lead to unexpected behavior for // many users. We can help them out when they expect file:// URIs to // behave like it would if they were running a local HTTP server. See // https://bugzilla.mozilla.org/show_bug.cgi?id=885597. var fileUriAbsPath = aSource.replace(/^file:\/\//, ""); if (url.scheme == "file" && this._sources.has(fileUriAbsPath)) { return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)] } if ((!url.path || url.path == "/") && this._sources.has("/" + aSource)) { return this.sourcesContent[this._sources.indexOf("/" + aSource)]; } } throw new Error('"' + aSource + '" is not in the SourceMap.'); }; /** * Returns the generated line and column information for the original source, * line, and column positions provided. The only argument is an object with * the following properties: * * - source: The filename of the original source. * - line: The line number in the original source. * - column: The column number in the original source. * * and an object is returned with the following properties: * * - line: The line number in the generated source, or null. * - column: The column number in the generated source, or null. */ SourceMapConsumer.prototype.generatedPositionFor = function SourceMapConsumer_generatedPositionFor(aArgs) { var needle = { source: util.getArg(aArgs, 'source'), originalLine: util.getArg(aArgs, 'line'), originalColumn: util.getArg(aArgs, 'column') }; if (this.sourceRoot) { needle.source = util.relative(this.sourceRoot, needle.source); } var mapping = this._findMapping(needle, this._originalMappings, "originalLine", "originalColumn", util.compareByOriginalPositions); if (mapping) { return { line: util.getArg(mapping, 'generatedLine', null), column: util.getArg(mapping, 'generatedColumn', null) }; } return { line: null, column: null }; }; SourceMapConsumer.GENERATED_ORDER = 1; SourceMapConsumer.ORIGINAL_ORDER = 2; /** * Iterate over each mapping between an original source/line/column and a * generated line/column in this source map. * * @param Function aCallback * The function that is called with each mapping. * @param Object aContext * Optional. If specified, this object will be the value of `this` every * time that `aCallback` is called. * @param aOrder * Either `SourceMapConsumer.GENERATED_ORDER` or * `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to * iterate over the mappings sorted by the generated file's line/column * order or the original's source/line/column order, respectively. Defaults to * `SourceMapConsumer.GENERATED_ORDER`. */ SourceMapConsumer.prototype.eachMapping = function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) { var context = aContext || null; var order = aOrder || SourceMapConsumer.GENERATED_ORDER; var mappings; switch (order) { case SourceMapConsumer.GENERATED_ORDER: mappings = this._generatedMappings; break; case SourceMapConsumer.ORIGINAL_ORDER: mappings = this._originalMappings; break; default: throw new Error("Unknown order of iteration."); } var sourceRoot = this.sourceRoot; mappings.map(function (mapping) { var source = mapping.source; if (source && sourceRoot) { source = util.join(sourceRoot, source); } return { source: source, generatedLine: mapping.generatedLine, generatedColumn: mapping.generatedColumn, originalLine: mapping.originalLine, originalColumn: mapping.originalColumn, name: mapping.name }; }).forEach(aCallback, context); }; exports.SourceMapConsumer = SourceMapConsumer; }); },{"./array-set":36,"./base64-vlq":37,"./binary-search":39,"./util":43,"amdefine":44}],41:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { var base64VLQ = require('./base64-vlq'); var util = require('./util'); var ArraySet = require('./array-set').ArraySet; /** * An instance of the SourceMapGenerator represents a source map which is * being built incrementally. To create a new one, you must pass an object * with the following properties: * * - file: The filename of the generated source. * - sourceRoot: An optional root for all URLs in this source map. */ function SourceMapGenerator(aArgs) { this._file = util.getArg(aArgs, 'file'); this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null); this._sources = new ArraySet(); this._names = new ArraySet(); this._mappings = []; this._sourcesContents = null; } SourceMapGenerator.prototype._version = 3; /** * Creates a new SourceMapGenerator based on a SourceMapConsumer * * @param aSourceMapConsumer The SourceMap. */ SourceMapGenerator.fromSourceMap = function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) { var sourceRoot = aSourceMapConsumer.sourceRoot; var generator = new SourceMapGenerator({ file: aSourceMapConsumer.file, sourceRoot: sourceRoot }); aSourceMapConsumer.eachMapping(function (mapping) { var newMapping = { generated: { line: mapping.generatedLine, column: mapping.generatedColumn } }; if (mapping.source) { newMapping.source = mapping.source; if (sourceRoot) { newMapping.source = util.relative(sourceRoot, newMapping.source); } newMapping.original = { line: mapping.originalLine, column: mapping.originalColumn }; if (mapping.name) { newMapping.name = mapping.name; } } generator.addMapping(newMapping); }); aSourceMapConsumer.sources.forEach(function (sourceFile) { var content = aSourceMapConsumer.sourceContentFor(sourceFile); if (content) { generator.setSourceContent(sourceFile, content); } }); return generator; }; /** * Add a single mapping from original source line and column to the generated * source's line and column for this source map being created. The mapping * object should have the following properties: * * - generated: An object with the generated line and column positions. * - original: An object with the original line and column positions. * - source: The original source file (relative to the sourceRoot). * - name: An optional original token name for this mapping. */ SourceMapGenerator.prototype.addMapping = function SourceMapGenerator_addMapping(aArgs) { var generated = util.getArg(aArgs, 'generated'); var original = util.getArg(aArgs, 'original', null); var source = util.getArg(aArgs, 'source', null); var name = util.getArg(aArgs, 'name', null); this._validateMapping(generated, original, source, name); if (source && !this._sources.has(source)) { this._sources.add(source); } if (name && !this._names.has(name)) { this._names.add(name); } this._mappings.push({ generatedLine: generated.line, generatedColumn: generated.column, originalLine: original != null && original.line, originalColumn: original != null && original.column, source: source, name: name }); }; /** * Set the source content for a source file. */ SourceMapGenerator.prototype.setSourceContent = function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) { var source = aSourceFile; if (this._sourceRoot) { source = util.relative(this._sourceRoot, source); } if (aSourceContent !== null) { // Add the source content to the _sourcesContents map. // Create a new _sourcesContents map if the property is null. if (!this._sourcesContents) { this._sourcesContents = {}; } this._sourcesContents[util.toSetString(source)] = aSourceContent; } else { // Remove the source file from the _sourcesContents map. // If the _sourcesContents map is empty, set the property to null. delete this._sourcesContents[util.toSetString(source)]; if (Object.keys(this._sourcesContents).length === 0) { this._sourcesContents = null; } } }; /** * Applies the mappings of a sub-source-map for a specific source file to the * source map being generated. Each mapping to the supplied source file is * rewritten using the supplied source map. Note: The resolution for the * resulting mappings is the minimium of this map and the supplied map. * * @param aSourceMapConsumer The source map to be applied. * @param aSourceFile Optional. The filename of the source file. * If omitted, SourceMapConsumer's file property will be used. */ SourceMapGenerator.prototype.applySourceMap = function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile) { // If aSourceFile is omitted, we will use the file property of the SourceMap if (!aSourceFile) { aSourceFile = aSourceMapConsumer.file; } var sourceRoot = this._sourceRoot; // Make "aSourceFile" relative if an absolute Url is passed. if (sourceRoot) { aSourceFile = util.relative(sourceRoot, aSourceFile); } // Applying the SourceMap can add and remove items from the sources and // the names array. var newSources = new ArraySet(); var newNames = new ArraySet(); // Find mappings for the "aSourceFile" this._mappings.forEach(function (mapping) { if (mapping.source === aSourceFile && mapping.originalLine) { // Check if it can be mapped by the source map, then update the mapping. var original = aSourceMapConsumer.originalPositionFor({ line: mapping.originalLine, column: mapping.originalColumn }); if (original.source !== null) { // Copy mapping if (sourceRoot) { mapping.source = util.relative(sourceRoot, original.source); } else { mapping.source = original.source; } mapping.originalLine = original.line; mapping.originalColumn = original.column; if (original.name !== null && mapping.name !== null) { // Only use the identifier name if it's an identifier // in both SourceMaps mapping.name = original.name; } } } var source = mapping.source; if (source && !newSources.has(source)) { newSources.add(source); } var name = mapping.name; if (name && !newNames.has(name)) { newNames.add(name); } }, this); this._sources = newSources; this._names = newNames; // Copy sourcesContents of applied map. aSourceMapConsumer.sources.forEach(function (sourceFile) { var content = aSourceMapConsumer.sourceContentFor(sourceFile); if (content) { if (sourceRoot) { sourceFile = util.relative(sourceRoot, sourceFile); } this.setSourceContent(sourceFile, content); } }, this); }; /** * A mapping can have one of the three levels of data: * * 1. Just the generated position. * 2. The Generated position, original position, and original source. * 3. Generated and original position, original source, as well as a name * token. * * To maintain consistency, we validate that any new mapping being added falls * in to one of these categories. */ SourceMapGenerator.prototype._validateMapping = function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource, aName) { if (aGenerated && 'line' in aGenerated && 'column' in aGenerated && aGenerated.line > 0 && aGenerated.column >= 0 && !aOriginal && !aSource && !aName) { // Case 1. return; } else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated && aOriginal && 'line' in aOriginal && 'column' in aOriginal && aGenerated.line > 0 && aGenerated.column >= 0 && aOriginal.line > 0 && aOriginal.column >= 0 && aSource) { // Cases 2 and 3. return; } else { throw new Error('Invalid mapping: ' + JSON.stringify({ generated: aGenerated, source: aSource, orginal: aOriginal, name: aName })); } }; /** * Serialize the accumulated mappings in to the stream of base 64 VLQs * specified by the source map format. */ SourceMapGenerator.prototype._serializeMappings = function SourceMapGenerator_serializeMappings() { var previousGeneratedColumn = 0; var previousGeneratedLine = 1; var previousOriginalColumn = 0; var previousOriginalLine = 0; var previousName = 0; var previousSource = 0; var result = ''; var mapping; // The mappings must be guaranteed to be in sorted order before we start // serializing them or else the generated line numbers (which are defined // via the ';' separators) will be all messed up. Note: it might be more // performant to maintain the sorting as we insert them, rather than as we // serialize them, but the big O is the same either way. this._mappings.sort(util.compareByGeneratedPositions); for (var i = 0, len = this._mappings.length; i < len; i++) { mapping = this._mappings[i]; if (mapping.generatedLine !== previousGeneratedLine) { previousGeneratedColumn = 0; while (mapping.generatedLine !== previousGeneratedLine) { result += ';'; previousGeneratedLine++; } } else { if (i > 0) { if (!util.compareByGeneratedPositions(mapping, this._mappings[i - 1])) { continue; } result += ','; } } result += base64VLQ.encode(mapping.generatedColumn - previousGeneratedColumn); previousGeneratedColumn = mapping.generatedColumn; if (mapping.source) { result += base64VLQ.encode(this._sources.indexOf(mapping.source) - previousSource); previousSource = this._sources.indexOf(mapping.source); // lines are stored 0-based in SourceMap spec version 3 result += base64VLQ.encode(mapping.originalLine - 1 - previousOriginalLine); previousOriginalLine = mapping.originalLine - 1; result += base64VLQ.encode(mapping.originalColumn - previousOriginalColumn); previousOriginalColumn = mapping.originalColumn; if (mapping.name) { result += base64VLQ.encode(this._names.indexOf(mapping.name) - previousName); previousName = this._names.indexOf(mapping.name); } } } return result; }; SourceMapGenerator.prototype._generateSourcesContent = function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) { return aSources.map(function (source) { if (!this._sourcesContents) { return null; } if (aSourceRoot) { source = util.relative(aSourceRoot, source); } var key = util.toSetString(source); return Object.prototype.hasOwnProperty.call(this._sourcesContents, key) ? this._sourcesContents[key] : null; }, this); }; /** * Externalize the source map. */ SourceMapGenerator.prototype.toJSON = function SourceMapGenerator_toJSON() { var map = { version: this._version, file: this._file, sources: this._sources.toArray(), names: this._names.toArray(), mappings: this._serializeMappings() }; if (this._sourceRoot) { map.sourceRoot = this._sourceRoot; } if (this._sourcesContents) { map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot); } return map; }; /** * Render the source map being generated to a string. */ SourceMapGenerator.prototype.toString = function SourceMapGenerator_toString() { return JSON.stringify(this); }; exports.SourceMapGenerator = SourceMapGenerator; }); },{"./array-set":36,"./base64-vlq":37,"./util":43,"amdefine":44}],42:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator; var util = require('./util'); /** * SourceNodes provide a way to abstract over interpolating/concatenating * snippets of generated JavaScript source code while maintaining the line and * column information associated with the original source code. * * @param aLine The original line number. * @param aColumn The original column number. * @param aSource The original source's filename. * @param aChunks Optional. An array of strings which are snippets of * generated JS, or other SourceNodes. * @param aName The original identifier. */ function SourceNode(aLine, aColumn, aSource, aChunks, aName) { this.children = []; this.sourceContents = {}; this.line = aLine === undefined ? null : aLine; this.column = aColumn === undefined ? null : aColumn; this.source = aSource === undefined ? null : aSource; this.name = aName === undefined ? null : aName; if (aChunks != null) this.add(aChunks); } /** * Creates a SourceNode from generated code and a SourceMapConsumer. * * @param aGeneratedCode The generated code * @param aSourceMapConsumer The SourceMap for the generated code */ SourceNode.fromStringWithSourceMap = function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer) { // The SourceNode we want to fill with the generated code // and the SourceMap var node = new SourceNode(); // The generated code // Processed fragments are removed from this array. var remainingLines = aGeneratedCode.split('\n'); // We need to remember the position of "remainingLines" var lastGeneratedLine = 1, lastGeneratedColumn = 0; // The generate SourceNodes we need a code range. // To extract it current and last mapping is used. // Here we store the last mapping. var lastMapping = null; aSourceMapConsumer.eachMapping(function (mapping) { if (lastMapping === null) { // We add the generated code until the first mapping // to the SourceNode without any mapping. // Each line is added as separate string. while (lastGeneratedLine < mapping.generatedLine) { node.add(remainingLines.shift() + "\n"); lastGeneratedLine++; } if (lastGeneratedColumn < mapping.generatedColumn) { var nextLine = remainingLines[0]; node.add(nextLine.substr(0, mapping.generatedColumn)); remainingLines[0] = nextLine.substr(mapping.generatedColumn); lastGeneratedColumn = mapping.generatedColumn; } } else { // We add the code from "lastMapping" to "mapping": // First check if there is a new line in between. if (lastGeneratedLine < mapping.generatedLine) { var code = ""; // Associate full lines with "lastMapping" do { code += remainingLines.shift() + "\n"; lastGeneratedLine++; lastGeneratedColumn = 0; } while (lastGeneratedLine < mapping.generatedLine); // When we reached the correct line, we add code until we // reach the correct column too. if (lastGeneratedColumn < mapping.generatedColumn) { var nextLine = remainingLines[0]; code += nextLine.substr(0, mapping.generatedColumn); remainingLines[0] = nextLine.substr(mapping.generatedColumn); lastGeneratedColumn = mapping.generatedColumn; } // Create the SourceNode. addMappingWithCode(lastMapping, code); } else { // There is no new line in between. // Associate the code between "lastGeneratedColumn" and // "mapping.generatedColumn" with "lastMapping" var nextLine = remainingLines[0]; var code = nextLine.substr(0, mapping.generatedColumn - lastGeneratedColumn); remainingLines[0] = nextLine.substr(mapping.generatedColumn - lastGeneratedColumn); lastGeneratedColumn = mapping.generatedColumn; addMappingWithCode(lastMapping, code); } } lastMapping = mapping; }, this); // We have processed all mappings. // Associate the remaining code in the current line with "lastMapping" // and add the remaining lines without any mapping addMappingWithCode(lastMapping, remainingLines.join("\n")); // Copy sourcesContent into SourceNode aSourceMapConsumer.sources.forEach(function (sourceFile) { var content = aSourceMapConsumer.sourceContentFor(sourceFile); if (content) { node.setSourceContent(sourceFile, content); } }); return node; function addMappingWithCode(mapping, code) { if (mapping === null || mapping.source === undefined) { node.add(code); } else { node.add(new SourceNode(mapping.originalLine, mapping.originalColumn, mapping.source, code, mapping.name)); } } }; /** * Add a chunk of generated JS to this source node. * * @param aChunk A string snippet of generated JS code, another instance of * SourceNode, or an array where each member is one of those things. */ SourceNode.prototype.add = function SourceNode_add(aChunk) { if (Array.isArray(aChunk)) { aChunk.forEach(function (chunk) { this.add(chunk); }, this); } else if (aChunk instanceof SourceNode || typeof aChunk === "string") { if (aChunk) { this.children.push(aChunk); } } else { throw new TypeError( "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk ); } return this; }; /** * Add a chunk of generated JS to the beginning of this source node. * * @param aChunk A string snippet of generated JS code, another instance of * SourceNode, or an array where each member is one of those things. */ SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) { if (Array.isArray(aChunk)) { for (var i = aChunk.length-1; i >= 0; i--) { this.prepend(aChunk[i]); } } else if (aChunk instanceof SourceNode || typeof aChunk === "string") { this.children.unshift(aChunk); } else { throw new TypeError( "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk ); } return this; }; /** * Walk over the tree of JS snippets in this node and its children. The * walking function is called once for each snippet of JS and is passed that * snippet and the its original associated source's line/column location. * * @param aFn The traversal function. */ SourceNode.prototype.walk = function SourceNode_walk(aFn) { var chunk; for (var i = 0, len = this.children.length; i < len; i++) { chunk = this.children[i]; if (chunk instanceof SourceNode) { chunk.walk(aFn); } else { if (chunk !== '') { aFn(chunk, { source: this.source, line: this.line, column: this.column, name: this.name }); } } } }; /** * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between * each of `this.children`. * * @param aSep The separator. */ SourceNode.prototype.join = function SourceNode_join(aSep) { var newChildren; var i; var len = this.children.length; if (len > 0) { newChildren = []; for (i = 0; i < len-1; i++) { newChildren.push(this.children[i]); newChildren.push(aSep); } newChildren.push(this.children[i]); this.children = newChildren; } return this; }; /** * Call String.prototype.replace on the very right-most source snippet. Useful * for trimming whitespace from the end of a source node, etc. * * @param aPattern The pattern to replace. * @param aReplacement The thing to replace the pattern with. */ SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) { var lastChild = this.children[this.children.length - 1]; if (lastChild instanceof SourceNode) { lastChild.replaceRight(aPattern, aReplacement); } else if (typeof lastChild === 'string') { this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement); } else { this.children.push(''.replace(aPattern, aReplacement)); } return this; }; /** * Set the source content for a source file. This will be added to the SourceMapGenerator * in the sourcesContent field. * * @param aSourceFile The filename of the source file * @param aSourceContent The content of the source file */ SourceNode.prototype.setSourceContent = function SourceNode_setSourceContent(aSourceFile, aSourceContent) { this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent; }; /** * Walk over the tree of SourceNodes. The walking function is called for each * source file content and is passed the filename and source content. * * @param aFn The traversal function. */ SourceNode.prototype.walkSourceContents = function SourceNode_walkSourceContents(aFn) { for (var i = 0, len = this.children.length; i < len; i++) { if (this.children[i] instanceof SourceNode) { this.children[i].walkSourceContents(aFn); } } var sources = Object.keys(this.sourceContents); for (var i = 0, len = sources.length; i < len; i++) { aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]); } }; /** * Return the string representation of this source node. Walks over the tree * and concatenates all the various snippets together to one string. */ SourceNode.prototype.toString = function SourceNode_toString() { var str = ""; this.walk(function (chunk) { str += chunk; }); return str; }; /** * Returns the string representation of this source node along with a source * map. */ SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) { var generated = { code: "", line: 1, column: 0 }; var map = new SourceMapGenerator(aArgs); var sourceMappingActive = false; var lastOriginalSource = null; var lastOriginalLine = null; var lastOriginalColumn = null; var lastOriginalName = null; this.walk(function (chunk, original) { generated.code += chunk; if (original.source !== null && original.line !== null && original.column !== null) { if(lastOriginalSource !== original.source || lastOriginalLine !== original.line || lastOriginalColumn !== original.column || lastOriginalName !== original.name) { map.addMapping({ source: original.source, original: { line: original.line, column: original.column }, generated: { line: generated.line, column: generated.column }, name: original.name }); } lastOriginalSource = original.source; lastOriginalLine = original.line; lastOriginalColumn = original.column; lastOriginalName = original.name; sourceMappingActive = true; } else if (sourceMappingActive) { map.addMapping({ generated: { line: generated.line, column: generated.column } }); lastOriginalSource = null; sourceMappingActive = false; } chunk.split('').forEach(function (ch) { if (ch === '\n') { generated.line++; generated.column = 0; } else { generated.column++; } }); }); this.walkSourceContents(function (sourceFile, sourceContent) { map.setSourceContent(sourceFile, sourceContent); }); return { code: generated.code, map: map }; }; exports.SourceNode = SourceNode; }); },{"./source-map-generator":41,"./util":43,"amdefine":44}],43:[function(require,module,exports){ /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ if (typeof define !== 'function') { var define = require('amdefine')(module, require); } define(function (require, exports, module) { /** * This is a helper function for getting values from parameter/options * objects. * * @param args The object we are extracting values from * @param name The name of the property we are getting. * @param defaultValue An optional value to return if the property is missing * from the object. If this is not specified and the property is missing, an * error will be thrown. */ function getArg(aArgs, aName, aDefaultValue) { if (aName in aArgs) { return aArgs[aName]; } else if (arguments.length === 3) { return aDefaultValue; } else { throw new Error('"' + aName + '" is a required argument.'); } } exports.getArg = getArg; var urlRegexp = /([\w+\-.]+):\/\/((\w+:\w+)@)?([\w.]+)?(:(\d+))?(\S+)?/; var dataUrlRegexp = /^data:.+\,.+/; function urlParse(aUrl) { var match = aUrl.match(urlRegexp); if (!match) { return null; } return { scheme: match[1], auth: match[3], host: match[4], port: match[6], path: match[7] }; } exports.urlParse = urlParse; function urlGenerate(aParsedUrl) { var url = aParsedUrl.scheme + "://"; if (aParsedUrl.auth) { url += aParsedUrl.auth + "@" } if (aParsedUrl.host) { url += aParsedUrl.host; } if (aParsedUrl.port) { url += ":" + aParsedUrl.port } if (aParsedUrl.path) { url += aParsedUrl.path; } return url; } exports.urlGenerate = urlGenerate; function join(aRoot, aPath) { var url; if (aPath.match(urlRegexp) || aPath.match(dataUrlRegexp)) { return aPath; } if (aPath.charAt(0) === '/' && (url = urlParse(aRoot))) { url.path = aPath; return urlGenerate(url); } return aRoot.replace(/\/$/, '') + '/' + aPath; } exports.join = join; /** * Because behavior goes wacky when you set `__proto__` on objects, we * have to prefix all the strings in our set with an arbitrary character. * * See https://github.com/mozilla/source-map/pull/31 and * https://github.com/mozilla/source-map/issues/30 * * @param String aStr */ function toSetString(aStr) { return '$' + aStr; } exports.toSetString = toSetString; function fromSetString(aStr) { return aStr.substr(1); } exports.fromSetString = fromSetString; function relative(aRoot, aPath) { aRoot = aRoot.replace(/\/$/, ''); var url = urlParse(aRoot); if (aPath.charAt(0) == "/" && url && url.path == "/") { return aPath.slice(1); } return aPath.indexOf(aRoot + '/') === 0 ? aPath.substr(aRoot.length + 1) : aPath; } exports.relative = relative; function strcmp(aStr1, aStr2) { var s1 = aStr1 || ""; var s2 = aStr2 || ""; return (s1 > s2) - (s1 < s2); } /** * Comparator between two mappings where the original positions are compared. * * Optionally pass in `true` as `onlyCompareGenerated` to consider two * mappings with the same original source/line/column, but different generated * line and column the same. Useful when searching for a mapping with a * stubbed out mapping. */ function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) { var cmp; cmp = strcmp(mappingA.source, mappingB.source); if (cmp) { return cmp; } cmp = mappingA.originalLine - mappingB.originalLine; if (cmp) { return cmp; } cmp = mappingA.originalColumn - mappingB.originalColumn; if (cmp || onlyCompareOriginal) { return cmp; } cmp = strcmp(mappingA.name, mappingB.name); if (cmp) { return cmp; } cmp = mappingA.generatedLine - mappingB.generatedLine; if (cmp) { return cmp; } return mappingA.generatedColumn - mappingB.generatedColumn; }; exports.compareByOriginalPositions = compareByOriginalPositions; /** * Comparator between two mappings where the generated positions are * compared. * * Optionally pass in `true` as `onlyCompareGenerated` to consider two * mappings with the same generated line and column, but different * source/name/original line and column the same. Useful when searching for a * mapping with a stubbed out mapping. */ function compareByGeneratedPositions(mappingA, mappingB, onlyCompareGenerated) { var cmp; cmp = mappingA.generatedLine - mappingB.generatedLine; if (cmp) { return cmp; } cmp = mappingA.generatedColumn - mappingB.generatedColumn; if (cmp || onlyCompareGenerated) { return cmp; } cmp = strcmp(mappingA.source, mappingB.source); if (cmp) { return cmp; } cmp = mappingA.originalLine - mappingB.originalLine; if (cmp) { return cmp; } cmp = mappingA.originalColumn - mappingB.originalColumn; if (cmp) { return cmp; } return strcmp(mappingA.name, mappingB.name); }; exports.compareByGeneratedPositions = compareByGeneratedPositions; }); },{"amdefine":44}],44:[function(require,module,exports){ var process=require("__browserify_process"),__filename="/../node_modules/uglify-js/node_modules/source-map/node_modules/amdefine/amdefine.js";/** vim: et:ts=4:sw=4:sts=4 * @license amdefine 0.1.0 Copyright (c) 2011, The Dojo Foundation All Rights Reserved. * Available via the MIT or new BSD license. * see: http://github.com/jrburke/amdefine for details */ /*jslint node: true */ /*global module, process */ 'use strict'; /** * Creates a define for node. * @param {Object} module the "module" object that is defined by Node for the * current module. * @param {Function} [requireFn]. Node's require function for the current module. * It only needs to be passed in Node versions before 0.5, when module.require * did not exist. * @returns {Function} a define function that is usable for the current node * module. */ function amdefine(module, requireFn) { 'use strict'; var defineCache = {}, loaderCache = {}, alreadyCalled = false, path = require('path'), makeRequire, stringRequire; /** * Trims the . and .. from an array of path segments. * It will keep a leading path segment if a .. will become * the first path segment, to help with module name lookups, * which act like paths, but can be remapped. But the end result, * all paths that use this function should look normalized. * NOTE: this method MODIFIES the input array. * @param {Array} ary the array of path segments. */ function trimDots(ary) { var i, part; for (i = 0; ary[i]; i+= 1) { part = ary[i]; if (part === '.') { ary.splice(i, 1); i -= 1; } else if (part === '..') { if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { //End of the line. Keep at least one non-dot //path segment at the front so it can be mapped //correctly to disk. Otherwise, there is likely //no path mapping for a path starting with '..'. //This can still fail, but catches the most reasonable //uses of .. break; } else if (i > 0) { ary.splice(i - 1, 2); i -= 2; } } } } function normalize(name, baseName) { var baseParts; //Adjust any relative paths. if (name && name.charAt(0) === '.') { //If have a base name, try to normalize against it, //otherwise, assume it is a top-level require that will //be relative to baseUrl in the end. if (baseName) { baseParts = baseName.split('/'); baseParts = baseParts.slice(0, baseParts.length - 1); baseParts = baseParts.concat(name.split('/')); trimDots(baseParts); name = baseParts.join('/'); } } return name; } /** * Create the normalize() function passed to a loader plugin's * normalize method. */ function makeNormalize(relName) { return function (name) { return normalize(name, relName); }; } function makeLoad(id) { function load(value) { loaderCache[id] = value; } load.fromText = function (id, text) { //This one is difficult because the text can/probably uses //define, and any relative paths and requires should be relative //to that id was it would be found on disk. But this would require //bootstrapping a module/require fairly deeply from node core. //Not sure how best to go about that yet. throw new Error('amdefine does not implement load.fromText'); }; return load; } makeRequire = function (systemRequire, exports, module, relId) { function amdRequire(deps, callback) { if (typeof deps === 'string') { //Synchronous, single module require('') return stringRequire(systemRequire, exports, module, deps, relId); } else { //Array of dependencies with a callback. //Convert the dependencies to modules. deps = deps.map(function (depName) { return stringRequire(systemRequire, exports, module, depName, relId); }); //Wait for next tick to call back the require call. process.nextTick(function () { callback.apply(null, deps); }); } } amdRequire.toUrl = function (filePath) { if (filePath.indexOf('.') === 0) { return normalize(filePath, path.dirname(module.filename)); } else { return filePath; } }; return amdRequire; }; //Favor explicit value, passed in if the module wants to support Node 0.4. requireFn = requireFn || function req() { return module.require.apply(module, arguments); }; function runFactory(id, deps, factory) { var r, e, m, result; if (id) { e = loaderCache[id] = {}; m = { id: id, uri: __filename, exports: e }; r = makeRequire(requireFn, e, m, id); } else { //Only support one define call per file if (alreadyCalled) { throw new Error('amdefine with no module ID cannot be called more than once per file.'); } alreadyCalled = true; //Use the real variables from node //Use module.exports for exports, since //the exports in here is amdefine exports. e = module.exports; m = module; r = makeRequire(requireFn, e, m, module.id); } //If there are dependencies, they are strings, so need //to convert them to dependency values. if (deps) { deps = deps.map(function (depName) { return r(depName); }); } //Call the factory with the right dependencies. if (typeof factory === 'function') { result = factory.apply(m.exports, deps); } else { result = factory; } if (result !== undefined) { m.exports = result; if (id) { loaderCache[id] = m.exports; } } } stringRequire = function (systemRequire, exports, module, id, relId) { //Split the ID by a ! so that var index = id.indexOf('!'), originalId = id, prefix, plugin; if (index === -1) { id = normalize(id, relId); //Straight module lookup. If it is one of the special dependencies, //deal with it, otherwise, delegate to node. if (id === 'require') { return makeRequire(systemRequire, exports, module, relId); } else if (id === 'exports') { return exports; } else if (id === 'module') { return module; } else if (loaderCache.hasOwnProperty(id)) { return loaderCache[id]; } else if (defineCache[id]) { runFactory.apply(null, defineCache[id]); return loaderCache[id]; } else { if(systemRequire) { return systemRequire(originalId); } else { throw new Error('No module with ID: ' + id); } } } else { //There is a plugin in play. prefix = id.substring(0, index); id = id.substring(index + 1, id.length); plugin = stringRequire(systemRequire, exports, module, prefix, relId); if (plugin.normalize) { id = plugin.normalize(id, makeNormalize(relId)); } else { //Normalize the ID normally. id = normalize(id, relId); } if (loaderCache[id]) { return loaderCache[id]; } else { plugin.load(id, makeRequire(systemRequire, exports, module, relId), makeLoad(id), {}); return loaderCache[id]; } } }; //Create a define function specific to the module asking for amdefine. function define(id, deps, factory) { if (Array.isArray(id)) { factory = deps; deps = id; id = undefined; } else if (typeof id !== 'string') { factory = id; id = deps = undefined; } if (deps && !Array.isArray(deps)) { factory = deps; deps = undefined; } if (!deps) { deps = ['require', 'exports', 'module']; } //Set up properties for this module. If an ID, then use //internal cache. If no ID, then use the external variables //for this node module. if (id) { //Put the module in deep freeze until there is a //require call for it. defineCache[id] = [id, deps, factory]; } else { runFactory(id, deps, factory); } } //define.require, which has access to all the values in the //cache. Useful for AMD modules that all have IDs in the file, //but need to finally export a value to node based on one of those //IDs. define.require = function (id) { if (loaderCache[id]) { return loaderCache[id]; } if (defineCache[id]) { runFactory.apply(null, defineCache[id]); return loaderCache[id]; } }; define.amd = {}; return define; } module.exports = amdefine; },{"__browserify_process":29,"path":30}],45:[function(require,module,exports){ var sys = require("util"); var MOZ_SourceMap = require("source-map"); var UglifyJS = exports; /*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon 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 HOLDER “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 THE 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. ***********************************************************************/ "use strict"; function array_to_hash(a) { var ret = Object.create(null); for (var i = 0; i < a.length; ++i) ret[a[i]] = true; return ret; }; function slice(a, start) { return Array.prototype.slice.call(a, start || 0); }; function characters(str) { return str.split(""); }; function member(name, array) { for (var i = array.length; --i >= 0;) if (array[i] == name) return true; return false; }; function find_if(func, array) { for (var i = 0, n = array.length; i < n; ++i) { if (func(array[i])) return array[i]; } }; function repeat_string(str, i) { if (i <= 0) return ""; if (i == 1) return str; var d = repeat_string(str, i >> 1); d += d; if (i & 1) d += str; return d; }; function DefaultsError(msg, defs) { Error.call(this, msg); this.msg = msg; this.defs = defs; }; DefaultsError.prototype = Object.create(Error.prototype); DefaultsError.prototype.constructor = DefaultsError; DefaultsError.croak = function(msg, defs) { throw new DefaultsError(msg, defs); }; function defaults(args, defs, croak) { if (args === true) args = {}; var ret = args || {}; if (croak) for (var i in ret) if (ret.hasOwnProperty(i) && !defs.hasOwnProperty(i)) DefaultsError.croak("`" + i + "` is not a supported option", defs); for (var i in defs) if (defs.hasOwnProperty(i)) { ret[i] = (args && args.hasOwnProperty(i)) ? args[i] : defs[i]; } return ret; }; function merge(obj, ext) { for (var i in ext) if (ext.hasOwnProperty(i)) { obj[i] = ext[i]; } return obj; }; function noop() {}; var MAP = (function(){ function MAP(a, f, backwards) { var ret = [], top = [], i; function doit() { var val = f(a[i], i); var is_last = val instanceof Last; if (is_last) val = val.v; if (val instanceof AtTop) { val = val.v; if (val instanceof Splice) { top.push.apply(top, backwards ? val.v.slice().reverse() : val.v); } else { top.push(val); } } else if (val !== skip) { if (val instanceof Splice) { ret.push.apply(ret, backwards ? val.v.slice().reverse() : val.v); } else { ret.push(val); } } return is_last; }; if (a instanceof Array) { if (backwards) { for (i = a.length; --i >= 0;) if (doit()) break; ret.reverse(); top.reverse(); } else { for (i = 0; i < a.length; ++i) if (doit()) break; } } else { for (i in a) if (a.hasOwnProperty(i)) if (doit()) break; } return top.concat(ret); }; MAP.at_top = function(val) { return new AtTop(val) }; MAP.splice = function(val) { return new Splice(val) }; MAP.last = function(val) { return new Last(val) }; var skip = MAP.skip = {}; function AtTop(val) { this.v = val }; function Splice(val) { this.v = val }; function Last(val) { this.v = val }; return MAP; })(); function push_uniq(array, el) { if (array.indexOf(el) < 0) array.push(el); }; function string_template(text, props) { return text.replace(/\{(.+?)\}/g, function(str, p){ return props[p]; }); }; function remove(array, el) { for (var i = array.length; --i >= 0;) { if (array[i] === el) array.splice(i, 1); } }; function mergeSort(array, cmp) { if (array.length < 2) return array.slice(); function merge(a, b) { var r = [], ai = 0, bi = 0, i = 0; while (ai < a.length && bi < b.length) { cmp(a[ai], b[bi]) <= 0 ? r[i++] = a[ai++] : r[i++] = b[bi++]; } if (ai < a.length) r.push.apply(r, a.slice(ai)); if (bi < b.length) r.push.apply(r, b.slice(bi)); return r; }; function _ms(a) { if (a.length <= 1) return a; var m = Math.floor(a.length / 2), left = a.slice(0, m), right = a.slice(m); left = _ms(left); right = _ms(right); return merge(left, right); }; return _ms(array); }; function set_difference(a, b) { return a.filter(function(el){ return b.indexOf(el) < 0; }); }; function set_intersection(a, b) { return a.filter(function(el){ return b.indexOf(el) >= 0; }); }; // this function is taken from Acorn [1], written by Marijn Haverbeke // [1] https://github.com/marijnh/acorn function makePredicate(words) { if (!(words instanceof Array)) words = words.split(" "); var f = "", cats = []; out: for (var i = 0; i < words.length; ++i) { for (var j = 0; j < cats.length; ++j) if (cats[j][0].length == words[i].length) { cats[j].push(words[i]); continue out; } cats.push([words[i]]); } function compareTo(arr) { if (arr.length == 1) return f += "return str === " + JSON.stringify(arr[0]) + ";"; f += "switch(str){"; for (var i = 0; i < arr.length; ++i) f += "case " + JSON.stringify(arr[i]) + ":"; f += "return true}return false;"; } // When there are more than three length categories, an outer // switch first dispatches on the lengths, to save on comparisons. if (cats.length > 3) { cats.sort(function(a, b) {return b.length - a.length;}); f += "switch(str.length){"; for (var i = 0; i < cats.length; ++i) { var cat = cats[i]; f += "case " + cat[0].length + ":"; compareTo(cat); } f += "}"; // Otherwise, simply generate a flat `switch` statement. } else { compareTo(words); } return new Function("str", f); }; function all(array, predicate) { for (var i = array.length; --i >= 0;) if (!predicate(array[i])) return false; return true; }; function Dictionary() { this._values = Object.create(null); this._size = 0; }; Dictionary.prototype = { set: function(key, val) { if (!this.has(key)) ++this._size; this._values["$" + key] = val; return this; }, add: function(key, val) { if (this.has(key)) { this.get(key).push(val); } else { this.set(key, [ val ]); } return this; }, get: function(key) { return this._values["$" + key] }, del: function(key) { if (this.has(key)) { --this._size; delete this._values["$" + key]; } return this; }, has: function(key) { return ("$" + key) in this._values }, each: function(f) { for (var i in this._values) f(this._values[i], i.substr(1)); }, size: function() { return this._size; }, map: function(f) { var ret = []; for (var i in this._values) ret.push(f(this._values[i], i.substr(1))); return ret; } }; /*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon 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 HOLDER “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 THE 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. ***********************************************************************/ "use strict"; function DEFNODE(type, props, methods, base) { if (arguments.length < 4) base = AST_Node; if (!props) props = []; else props = props.split(/\s+/); var self_props = props; if (base && base.PROPS) props = props.concat(base.PROPS); var code = "return function AST_" + type + "(props){ if (props) { "; for (var i = props.length; --i >= 0;) { code += "this." + props[i] + " = props." + props[i] + ";"; } var proto = base && new base; if (proto && proto.initialize || (methods && methods.initialize)) code += "this.initialize();"; code += "}}"; var ctor = new Function(code)(); if (proto) { ctor.prototype = proto; ctor.BASE = base; } if (base) base.SUBCLASSES.push(ctor); ctor.prototype.CTOR = ctor; ctor.PROPS = props || null; ctor.SELF_PROPS = self_props; ctor.SUBCLASSES = []; if (type) { ctor.prototype.TYPE = ctor.TYPE = type; } if (methods) for (i in methods) if (methods.hasOwnProperty(i)) { if (/^\$/.test(i)) { ctor[i.substr(1)] = methods[i]; } else { ctor.prototype[i] = methods[i]; } } ctor.DEFMETHOD = function(name, method) { this.prototype[name] = method; }; return ctor; }; var AST_Token = DEFNODE("Token", "type value line col pos endpos nlb comments_before file", { }, null); var AST_Node = DEFNODE("Node", "start end", { clone: function() { return new this.CTOR(this); }, $documentation: "Base class of all AST nodes", $propdoc: { start: "[AST_Token] The first token of this node", end: "[AST_Token] The last token of this node" }, _walk: function(visitor) { return visitor._visit(this); }, walk: function(visitor) { return this._walk(visitor); // not sure the indirection will be any help } }, null); AST_Node.warn_function = null; AST_Node.warn = function(txt, props) { if (AST_Node.warn_function) AST_Node.warn_function(string_template(txt, props)); }; /* -----[ statements ]----- */ var AST_Statement = DEFNODE("Statement", null, { $documentation: "Base class of all statements", }); var AST_Debugger = DEFNODE("Debugger", null, { $documentation: "Represents a debugger statement", }, AST_Statement); var AST_Directive = DEFNODE("Directive", "value scope", { $documentation: "Represents a directive, like \"use strict\";", $propdoc: { value: "[string] The value of this directive as a plain string (it's not an AST_String!)", scope: "[AST_Scope/S] The scope that this directive affects" }, }, AST_Statement); var AST_SimpleStatement = DEFNODE("SimpleStatement", "body", { $documentation: "A statement consisting of an expression, i.e. a = 1 + 2", $propdoc: { body: "[AST_Node] an expression node (should not be instanceof AST_Statement)" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.body._walk(visitor); }); } }, AST_Statement); function walk_body(node, visitor) { if (node.body instanceof AST_Statement) { node.body._walk(visitor); } else node.body.forEach(function(stat){ stat._walk(visitor); }); }; var AST_Block = DEFNODE("Block", "body", { $documentation: "A body of statements (usually bracketed)", $propdoc: { body: "[AST_Statement*] an array of statements" }, _walk: function(visitor) { return visitor._visit(this, function(){ walk_body(this, visitor); }); } }, AST_Statement); var AST_BlockStatement = DEFNODE("BlockStatement", null, { $documentation: "A block statement", }, AST_Block); var AST_EmptyStatement = DEFNODE("EmptyStatement", null, { $documentation: "The empty statement (empty block or simply a semicolon)", _walk: function(visitor) { return visitor._visit(this); } }, AST_Statement); var AST_StatementWithBody = DEFNODE("StatementWithBody", "body", { $documentation: "Base class for all statements that contain one nested body: `For`, `ForIn`, `Do`, `While`, `With`", $propdoc: { body: "[AST_Statement] the body; this should always be present, even if it's an AST_EmptyStatement" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.body._walk(visitor); }); } }, AST_Statement); var AST_LabeledStatement = DEFNODE("LabeledStatement", "label", { $documentation: "Statement with a label", $propdoc: { label: "[AST_Label] a label definition" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.label._walk(visitor); this.body._walk(visitor); }); } }, AST_StatementWithBody); var AST_IterationStatement = DEFNODE("IterationStatement", null, { $documentation: "Internal class. All loops inherit from it." }, AST_StatementWithBody); var AST_DWLoop = DEFNODE("DWLoop", "condition", { $documentation: "Base class for do/while statements", $propdoc: { condition: "[AST_Node] the loop condition. Should not be instanceof AST_Statement" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.condition._walk(visitor); this.body._walk(visitor); }); } }, AST_IterationStatement); var AST_Do = DEFNODE("Do", null, { $documentation: "A `do` statement", }, AST_DWLoop); var AST_While = DEFNODE("While", null, { $documentation: "A `while` statement", }, AST_DWLoop); var AST_For = DEFNODE("For", "init condition step", { $documentation: "A `for` statement", $propdoc: { init: "[AST_Node?] the `for` initialization code, or null if empty", condition: "[AST_Node?] the `for` termination clause, or null if empty", step: "[AST_Node?] the `for` update clause, or null if empty" }, _walk: function(visitor) { return visitor._visit(this, function(){ if (this.init) this.init._walk(visitor); if (this.condition) this.condition._walk(visitor); if (this.step) this.step._walk(visitor); this.body._walk(visitor); }); } }, AST_IterationStatement); var AST_ForIn = DEFNODE("ForIn", "init name object", { $documentation: "A `for ... in` statement", $propdoc: { init: "[AST_Node] the `for/in` initialization code", name: "[AST_SymbolRef?] the loop variable, only if `init` is AST_Var", object: "[AST_Node] the object that we're looping through" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.init._walk(visitor); this.object._walk(visitor); this.body._walk(visitor); }); } }, AST_IterationStatement); var AST_With = DEFNODE("With", "expression", { $documentation: "A `with` statement", $propdoc: { expression: "[AST_Node] the `with` expression" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); this.body._walk(visitor); }); } }, AST_StatementWithBody); /* -----[ scope and functions ]----- */ var AST_Scope = DEFNODE("Scope", "directives variables functions uses_with uses_eval parent_scope enclosed cname", { $documentation: "Base class for all statements introducing a lexical scope", $propdoc: { directives: "[string*/S] an array of directives declared in this scope", variables: "[Object/S] a map of name -> SymbolDef for all variables/functions defined in this scope", functions: "[Object/S] like `variables`, but only lists function declarations", uses_with: "[boolean/S] tells whether this scope uses the `with` statement", uses_eval: "[boolean/S] tells whether this scope contains a direct call to the global `eval`", parent_scope: "[AST_Scope?/S] link to the parent scope", enclosed: "[SymbolDef*/S] a list of all symbol definitions that are accessed from this scope or any subscopes", cname: "[integer/S] current index for mangling variables (used internally by the mangler)", }, }, AST_Block); var AST_Toplevel = DEFNODE("Toplevel", "globals", { $documentation: "The toplevel scope", $propdoc: { globals: "[Object/S] a map of name -> SymbolDef for all undeclared names", }, wrap_enclose: function(arg_parameter_pairs) { var self = this; var args = []; var parameters = []; arg_parameter_pairs.forEach(function(pair) { var split = pair.split(":"); args.push(split[0]); parameters.push(split[1]); }); var wrapped_tl = "(function(" + parameters.join(",") + "){ '$ORIG'; })(" + args.join(",") + ")"; wrapped_tl = parse(wrapped_tl); wrapped_tl = wrapped_tl.transform(new TreeTransformer(function before(node){ if (node instanceof AST_Directive && node.value == "$ORIG") { return MAP.splice(self.body); } })); return wrapped_tl; }, wrap_commonjs: function(name, export_all) { var self = this; var to_export = []; if (export_all) { self.figure_out_scope(); self.walk(new TreeWalker(function(node){ if (node instanceof AST_SymbolDeclaration && node.definition().global) { if (!find_if(function(n){ return n.name == node.name }, to_export)) to_export.push(node); } })); } var wrapped_tl = "(function(exports, global){ global['" + name + "'] = exports; '$ORIG'; '$EXPORTS'; }({}, (function(){return this}())))"; wrapped_tl = parse(wrapped_tl); wrapped_tl = wrapped_tl.transform(new TreeTransformer(function before(node){ if (node instanceof AST_SimpleStatement) { node = node.body; if (node instanceof AST_String) switch (node.getValue()) { case "$ORIG": return MAP.splice(self.body); case "$EXPORTS": var body = []; to_export.forEach(function(sym){ body.push(new AST_SimpleStatement({ body: new AST_Assign({ left: new AST_Sub({ expression: new AST_SymbolRef({ name: "exports" }), property: new AST_String({ value: sym.name }), }), operator: "=", right: new AST_SymbolRef(sym), }), })); }); return MAP.splice(body); } } })); return wrapped_tl; } }, AST_Scope); var AST_Lambda = DEFNODE("Lambda", "name argnames uses_arguments", { $documentation: "Base class for functions", $propdoc: { name: "[AST_SymbolDeclaration?] the name of this function", argnames: "[AST_SymbolFunarg*] array of function arguments", uses_arguments: "[boolean/S] tells whether this function accesses the arguments array" }, _walk: function(visitor) { return visitor._visit(this, function(){ if (this.name) this.name._walk(visitor); this.argnames.forEach(function(arg){ arg._walk(visitor); }); walk_body(this, visitor); }); } }, AST_Scope); var AST_Accessor = DEFNODE("Accessor", null, { $documentation: "A setter/getter function. The `name` property is always null." }, AST_Lambda); var AST_Function = DEFNODE("Function", null, { $documentation: "A function expression" }, AST_Lambda); var AST_Defun = DEFNODE("Defun", null, { $documentation: "A function definition" }, AST_Lambda); /* -----[ JUMPS ]----- */ var AST_Jump = DEFNODE("Jump", null, { $documentation: "Base class for “jumps” (for now that's `return`, `throw`, `break` and `continue`)" }, AST_Statement); var AST_Exit = DEFNODE("Exit", "value", { $documentation: "Base class for “exits” (`return` and `throw`)", $propdoc: { value: "[AST_Node?] the value returned or thrown by this statement; could be null for AST_Return" }, _walk: function(visitor) { return visitor._visit(this, this.value && function(){ this.value._walk(visitor); }); } }, AST_Jump); var AST_Return = DEFNODE("Return", null, { $documentation: "A `return` statement" }, AST_Exit); var AST_Throw = DEFNODE("Throw", null, { $documentation: "A `throw` statement" }, AST_Exit); var AST_LoopControl = DEFNODE("LoopControl", "label", { $documentation: "Base class for loop control statements (`break` and `continue`)", $propdoc: { label: "[AST_LabelRef?] the label, or null if none", }, _walk: function(visitor) { return visitor._visit(this, this.label && function(){ this.label._walk(visitor); }); } }, AST_Jump); var AST_Break = DEFNODE("Break", null, { $documentation: "A `break` statement" }, AST_LoopControl); var AST_Continue = DEFNODE("Continue", null, { $documentation: "A `continue` statement" }, AST_LoopControl); /* -----[ IF ]----- */ var AST_If = DEFNODE("If", "condition alternative", { $documentation: "A `if` statement", $propdoc: { condition: "[AST_Node] the `if` condition", alternative: "[AST_Statement?] the `else` part, or null if not present" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.condition._walk(visitor); this.body._walk(visitor); if (this.alternative) this.alternative._walk(visitor); }); } }, AST_StatementWithBody); /* -----[ SWITCH ]----- */ var AST_Switch = DEFNODE("Switch", "expression", { $documentation: "A `switch` statement", $propdoc: { expression: "[AST_Node] the `switch` “discriminant”" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); walk_body(this, visitor); }); } }, AST_Block); var AST_SwitchBranch = DEFNODE("SwitchBranch", null, { $documentation: "Base class for `switch` branches", }, AST_Block); var AST_Default = DEFNODE("Default", null, { $documentation: "A `default` switch branch", }, AST_SwitchBranch); var AST_Case = DEFNODE("Case", "expression", { $documentation: "A `case` switch branch", $propdoc: { expression: "[AST_Node] the `case` expression" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); walk_body(this, visitor); }); } }, AST_SwitchBranch); /* -----[ EXCEPTIONS ]----- */ var AST_Try = DEFNODE("Try", "bcatch bfinally", { $documentation: "A `try` statement", $propdoc: { bcatch: "[AST_Catch?] the catch block, or null if not present", bfinally: "[AST_Finally?] the finally block, or null if not present" }, _walk: function(visitor) { return visitor._visit(this, function(){ walk_body(this, visitor); if (this.bcatch) this.bcatch._walk(visitor); if (this.bfinally) this.bfinally._walk(visitor); }); } }, AST_Block); var AST_Catch = DEFNODE("Catch", "argname", { $documentation: "A `catch` node; only makes sense as part of a `try` statement", $propdoc: { argname: "[AST_SymbolCatch] symbol for the exception" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.argname._walk(visitor); walk_body(this, visitor); }); } }, AST_Block); var AST_Finally = DEFNODE("Finally", null, { $documentation: "A `finally` node; only makes sense as part of a `try` statement" }, AST_Block); /* -----[ VAR/CONST ]----- */ var AST_Definitions = DEFNODE("Definitions", "definitions", { $documentation: "Base class for `var` or `const` nodes (variable declarations/initializations)", $propdoc: { definitions: "[AST_VarDef*] array of variable definitions" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.definitions.forEach(function(def){ def._walk(visitor); }); }); } }, AST_Statement); var AST_Var = DEFNODE("Var", null, { $documentation: "A `var` statement" }, AST_Definitions); var AST_Const = DEFNODE("Const", null, { $documentation: "A `const` statement" }, AST_Definitions); var AST_VarDef = DEFNODE("VarDef", "name value", { $documentation: "A variable declaration; only appears in a AST_Definitions node", $propdoc: { name: "[AST_SymbolVar|AST_SymbolConst] name of the variable", value: "[AST_Node?] initializer, or null of there's no initializer" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.name._walk(visitor); if (this.value) this.value._walk(visitor); }); } }); /* -----[ OTHER ]----- */ var AST_Call = DEFNODE("Call", "expression args", { $documentation: "A function call expression", $propdoc: { expression: "[AST_Node] expression to invoke as function", args: "[AST_Node*] array of arguments" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); this.args.forEach(function(arg){ arg._walk(visitor); }); }); } }); var AST_New = DEFNODE("New", null, { $documentation: "An object instantiation. Derives from a function call since it has exactly the same properties" }, AST_Call); var AST_Seq = DEFNODE("Seq", "car cdr", { $documentation: "A sequence expression (two comma-separated expressions)", $propdoc: { car: "[AST_Node] first element in sequence", cdr: "[AST_Node] second element in sequence" }, $cons: function(x, y) { var seq = new AST_Seq(x); seq.car = x; seq.cdr = y; return seq; }, $from_array: function(array) { if (array.length == 0) return null; if (array.length == 1) return array[0].clone(); var list = null; for (var i = array.length; --i >= 0;) { list = AST_Seq.cons(array[i], list); } var p = list; while (p) { if (p.cdr && !p.cdr.cdr) { p.cdr = p.cdr.car; break; } p = p.cdr; } return list; }, to_array: function() { var p = this, a = []; while (p) { a.push(p.car); if (p.cdr && !(p.cdr instanceof AST_Seq)) { a.push(p.cdr); break; } p = p.cdr; } return a; }, add: function(node) { var p = this; while (p) { if (!(p.cdr instanceof AST_Seq)) { var cell = AST_Seq.cons(p.cdr, node); return p.cdr = cell; } p = p.cdr; } }, _walk: function(visitor) { return visitor._visit(this, function(){ this.car._walk(visitor); if (this.cdr) this.cdr._walk(visitor); }); } }); var AST_PropAccess = DEFNODE("PropAccess", "expression property", { $documentation: "Base class for property access expressions, i.e. `a.foo` or `a[\"foo\"]`", $propdoc: { expression: "[AST_Node] the “container” expression", property: "[AST_Node|string] the property to access. For AST_Dot this is always a plain string, while for AST_Sub it's an arbitrary AST_Node" } }); var AST_Dot = DEFNODE("Dot", null, { $documentation: "A dotted property access expression", _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); }); } }, AST_PropAccess); var AST_Sub = DEFNODE("Sub", null, { $documentation: "Index-style property access, i.e. `a[\"foo\"]`", _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); this.property._walk(visitor); }); } }, AST_PropAccess); var AST_Unary = DEFNODE("Unary", "operator expression", { $documentation: "Base class for unary expressions", $propdoc: { operator: "[string] the operator", expression: "[AST_Node] expression that this unary operator applies to" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.expression._walk(visitor); }); } }); var AST_UnaryPrefix = DEFNODE("UnaryPrefix", null, { $documentation: "Unary prefix expression, i.e. `typeof i` or `++i`" }, AST_Unary); var AST_UnaryPostfix = DEFNODE("UnaryPostfix", null, { $documentation: "Unary postfix expression, i.e. `i++`" }, AST_Unary); var AST_Binary = DEFNODE("Binary", "left operator right", { $documentation: "Binary expression, i.e. `a + b`", $propdoc: { left: "[AST_Node] left-hand side expression", operator: "[string] the operator", right: "[AST_Node] right-hand side expression" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.left._walk(visitor); this.right._walk(visitor); }); } }); var AST_Conditional = DEFNODE("Conditional", "condition consequent alternative", { $documentation: "Conditional expression using the ternary operator, i.e. `a ? b : c`", $propdoc: { condition: "[AST_Node]", consequent: "[AST_Node]", alternative: "[AST_Node]" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.condition._walk(visitor); this.consequent._walk(visitor); this.alternative._walk(visitor); }); } }); var AST_Assign = DEFNODE("Assign", null, { $documentation: "An assignment expression — `a = b + 5`", }, AST_Binary); /* -----[ LITERALS ]----- */ var AST_Array = DEFNODE("Array", "elements", { $documentation: "An array literal", $propdoc: { elements: "[AST_Node*] array of elements" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.elements.forEach(function(el){ el._walk(visitor); }); }); } }); var AST_Object = DEFNODE("Object", "properties", { $documentation: "An object literal", $propdoc: { properties: "[AST_ObjectProperty*] array of properties" }, _walk: function(visitor) { return visitor._visit(this, function(){ this.properties.forEach(function(prop){ prop._walk(visitor); }); }); } }); var AST_ObjectProperty = DEFNODE("ObjectProperty", "key value", { $documentation: "Base class for literal object properties", $propdoc: { key: "[string] the property name converted to a string for ObjectKeyVal. For setters and getters this is an arbitrary AST_Node.", value: "[AST_Node] property value. For setters and getters this is an AST_Function." }, _walk: function(visitor) { return visitor._visit(this, function(){ this.value._walk(visitor); }); } }); var AST_ObjectKeyVal = DEFNODE("ObjectKeyVal", null, { $documentation: "A key: value object property", }, AST_ObjectProperty); var AST_ObjectSetter = DEFNODE("ObjectSetter", null, { $documentation: "An object setter property", }, AST_ObjectProperty); var AST_ObjectGetter = DEFNODE("ObjectGetter", null, { $documentation: "An object getter property", }, AST_ObjectProperty); var AST_Symbol = DEFNODE("Symbol", "scope name thedef", { $propdoc: { name: "[string] name of this symbol", scope: "[AST_Scope/S] the current scope (not necessarily the definition scope)", thedef: "[SymbolDef/S] the definition of this symbol" }, $documentation: "Base class for all symbols", }); var AST_SymbolAccessor = DEFNODE("SymbolAccessor", null, { $documentation: "The name of a property accessor (setter/getter function)" }, AST_Symbol); var AST_SymbolDeclaration = DEFNODE("SymbolDeclaration", "init", { $documentation: "A declaration symbol (symbol in var/const, function name or argument, symbol in catch)", $propdoc: { init: "[AST_Node*/S] array of initializers for this declaration." } }, AST_Symbol); var AST_SymbolVar = DEFNODE("SymbolVar", null, { $documentation: "Symbol defining a variable", }, AST_SymbolDeclaration); var AST_SymbolConst = DEFNODE("SymbolConst", null, { $documentation: "A constant declaration" }, AST_SymbolDeclaration); var AST_SymbolFunarg = DEFNODE("SymbolFunarg", null, { $documentation: "Symbol naming a function argument", }, AST_SymbolVar); var AST_SymbolDefun = DEFNODE("SymbolDefun", null, { $documentation: "Symbol defining a function", }, AST_SymbolDeclaration); var AST_SymbolLambda = DEFNODE("SymbolLambda", null, { $documentation: "Symbol naming a function expression", }, AST_SymbolDeclaration); var AST_SymbolCatch = DEFNODE("SymbolCatch", null, { $documentation: "Symbol naming the exception in catch", }, AST_SymbolDeclaration); var AST_Label = DEFNODE("Label", "references", { $documentation: "Symbol naming a label (declaration)", $propdoc: { references: "[AST_LoopControl*] a list of nodes referring to this label" }, initialize: function() { this.references = []; this.thedef = this; } }, AST_Symbol); var AST_SymbolRef = DEFNODE("SymbolRef", null, { $documentation: "Reference to some symbol (not definition/declaration)", }, AST_Symbol); var AST_LabelRef = DEFNODE("LabelRef", null, { $documentation: "Reference to a label symbol", }, AST_Symbol); var AST_This = DEFNODE("This", null, { $documentation: "The `this` symbol", }, AST_Symbol); var AST_Constant = DEFNODE("Constant", null, { $documentation: "Base class for all constants", getValue: function() { return this.value; } }); var AST_String = DEFNODE("String", "value", { $documentation: "A string literal", $propdoc: { value: "[string] the contents of this string" } }, AST_Constant); var AST_Number = DEFNODE("Number", "value", { $documentation: "A number literal", $propdoc: { value: "[number] the numeric value" } }, AST_Constant); var AST_RegExp = DEFNODE("RegExp", "value", { $documentation: "A regexp literal", $propdoc: { value: "[RegExp] the actual regexp" } }, AST_Constant); var AST_Atom = DEFNODE("Atom", null, { $documentation: "Base class for atoms", }, AST_Constant); var AST_Null = DEFNODE("Null", null, { $documentation: "The `null` atom", value: null }, AST_Atom); var AST_NaN = DEFNODE("NaN", null, { $documentation: "The impossible value", value: 0/0 }, AST_Atom); var AST_Undefined = DEFNODE("Undefined", null, { $documentation: "The `undefined` value", value: (function(){}()) }, AST_Atom); var AST_Hole = DEFNODE("Hole", null, { $documentation: "A hole in an array", value: (function(){}()) }, AST_Atom); var AST_Infinity = DEFNODE("Infinity", null, { $documentation: "The `Infinity` value", value: 1/0 }, AST_Atom); var AST_Boolean = DEFNODE("Boolean", null, { $documentation: "Base class for booleans", }, AST_Atom); var AST_False = DEFNODE("False", null, { $documentation: "The `false` atom", value: false }, AST_Boolean); var AST_True = DEFNODE("True", null, { $documentation: "The `true` atom", value: true }, AST_Boolean); /* -----[ TreeWalker ]----- */ function TreeWalker(callback) { this.visit = callback; this.stack = []; }; TreeWalker.prototype = { _visit: function(node, descend) { this.stack.push(node); var ret = this.visit(node, descend ? function(){ descend.call(node); } : noop); if (!ret && descend) { descend.call(node); } this.stack.pop(); return ret; }, parent: function(n) { return this.stack[this.stack.length - 2 - (n || 0)]; }, push: function (node) { this.stack.push(node); }, pop: function() { return this.stack.pop(); }, self: function() { return this.stack[this.stack.length - 1]; }, find_parent: function(type) { var stack = this.stack; for (var i = stack.length; --i >= 0;) { var x = stack[i]; if (x instanceof type) return x; } }, has_directive: function(type) { return this.find_parent(AST_Scope).has_directive(type); }, in_boolean_context: function() { var stack = this.stack; var i = stack.length, self = stack[--i]; while (i > 0) { var p = stack[--i]; if ((p instanceof AST_If && p.condition === self) || (p instanceof AST_Conditional && p.condition === self) || (p instanceof AST_DWLoop && p.condition === self) || (p instanceof AST_For && p.condition === self) || (p instanceof AST_UnaryPrefix && p.operator == "!" && p.expression === self)) { return true; } if (!(p instanceof AST_Binary && (p.operator == "&&" || p.operator == "||"))) return false; self = p; } }, loopcontrol_target: function(label) { var stack = this.stack; if (label) for (var i = stack.length; --i >= 0;) { var x = stack[i]; if (x instanceof AST_LabeledStatement && x.label.name == label.name) { return x.body; } } else for (var i = stack.length; --i >= 0;) { var x = stack[i]; if (x instanceof AST_Switch || x instanceof AST_IterationStatement) return x; } } }; /*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Parser based on parse-js (http://marijn.haverbeke.nl/parse-js/). 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 HOLDER “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 THE 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. ***********************************************************************/ "use strict"; var KEYWORDS = 'break case catch const continue debugger default delete do else finally for function if in instanceof new return switch throw try typeof var void while with'; var KEYWORDS_ATOM = 'false null true'; var RESERVED_WORDS = 'abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized this throws transient volatile' + " " + KEYWORDS_ATOM + " " + KEYWORDS; var KEYWORDS_BEFORE_EXPRESSION = 'return new delete throw else case'; KEYWORDS = makePredicate(KEYWORDS); RESERVED_WORDS = makePredicate(RESERVED_WORDS); KEYWORDS_BEFORE_EXPRESSION = makePredicate(KEYWORDS_BEFORE_EXPRESSION); KEYWORDS_ATOM = makePredicate(KEYWORDS_ATOM); var OPERATOR_CHARS = makePredicate(characters("+-*&%=<>!?|~^")); var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i; var RE_OCT_NUMBER = /^0[0-7]+$/; var RE_DEC_NUMBER = /^\d*\.?\d*(?:e[+-]?\d*(?:\d\.?|\.?\d)\d*)?$/i; var OPERATORS = makePredicate([ "in", "instanceof", "typeof", "new", "void", "delete", "++", "--", "+", "-", "!", "~", "&", "|", "^", "*", "/", "%", ">>", "<<", ">>>", "<", ">", "<=", ">=", "==", "===", "!=", "!==", "?", "=", "+=", "-=", "/=", "*=", "%=", ">>=", "<<=", ">>>=", "|=", "^=", "&=", "&&", "||" ]); var WHITESPACE_CHARS = makePredicate(characters(" \u00a0\n\r\t\f\u000b\u200b\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000")); var PUNC_BEFORE_EXPRESSION = makePredicate(characters("[{(,.;:")); var PUNC_CHARS = makePredicate(characters("[]{}(),;:")); var REGEXP_MODIFIERS = makePredicate(characters("gmsiy")); /* -----[ Tokenizer ]----- */ // regexps adapted from http://xregexp.com/plugins/#unicode var UNICODE = { letter: new RegExp("[\\u0041-\\u005A\\u0061-\\u007A\\u00AA\\u00B5\\u00BA\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02C1\\u02C6-\\u02D1\\u02E0-\\u02E4\\u02EC\\u02EE\\u0370-\\u0374\\u0376\\u0377\\u037A-\\u037D\\u0386\\u0388-\\u038A\\u038C\\u038E-\\u03A1\\u03A3-\\u03F5\\u03F7-\\u0481\\u048A-\\u0523\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05D0-\\u05EA\\u05F0-\\u05F2\\u0621-\\u064A\\u066E\\u066F\\u0671-\\u06D3\\u06D5\\u06E5\\u06E6\\u06EE\\u06EF\\u06FA-\\u06FC\\u06FF\\u0710\\u0712-\\u072F\\u074D-\\u07A5\\u07B1\\u07CA-\\u07EA\\u07F4\\u07F5\\u07FA\\u0904-\\u0939\\u093D\\u0950\\u0958-\\u0961\\u0971\\u0972\\u097B-\\u097F\\u0985-\\u098C\\u098F\\u0990\\u0993-\\u09A8\\u09AA-\\u09B0\\u09B2\\u09B6-\\u09B9\\u09BD\\u09CE\\u09DC\\u09DD\\u09DF-\\u09E1\\u09F0\\u09F1\\u0A05-\\u0A0A\\u0A0F\\u0A10\\u0A13-\\u0A28\\u0A2A-\\u0A30\\u0A32\\u0A33\\u0A35\\u0A36\\u0A38\\u0A39\\u0A59-\\u0A5C\\u0A5E\\u0A72-\\u0A74\\u0A85-\\u0A8D\\u0A8F-\\u0A91\\u0A93-\\u0AA8\\u0AAA-\\u0AB0\\u0AB2\\u0AB3\\u0AB5-\\u0AB9\\u0ABD\\u0AD0\\u0AE0\\u0AE1\\u0B05-\\u0B0C\\u0B0F\\u0B10\\u0B13-\\u0B28\\u0B2A-\\u0B30\\u0B32\\u0B33\\u0B35-\\u0B39\\u0B3D\\u0B5C\\u0B5D\\u0B5F-\\u0B61\\u0B71\\u0B83\\u0B85-\\u0B8A\\u0B8E-\\u0B90\\u0B92-\\u0B95\\u0B99\\u0B9A\\u0B9C\\u0B9E\\u0B9F\\u0BA3\\u0BA4\\u0BA8-\\u0BAA\\u0BAE-\\u0BB9\\u0BD0\\u0C05-\\u0C0C\\u0C0E-\\u0C10\\u0C12-\\u0C28\\u0C2A-\\u0C33\\u0C35-\\u0C39\\u0C3D\\u0C58\\u0C59\\u0C60\\u0C61\\u0C85-\\u0C8C\\u0C8E-\\u0C90\\u0C92-\\u0CA8\\u0CAA-\\u0CB3\\u0CB5-\\u0CB9\\u0CBD\\u0CDE\\u0CE0\\u0CE1\\u0D05-\\u0D0C\\u0D0E-\\u0D10\\u0D12-\\u0D28\\u0D2A-\\u0D39\\u0D3D\\u0D60\\u0D61\\u0D7A-\\u0D7F\\u0D85-\\u0D96\\u0D9A-\\u0DB1\\u0DB3-\\u0DBB\\u0DBD\\u0DC0-\\u0DC6\\u0E01-\\u0E30\\u0E32\\u0E33\\u0E40-\\u0E46\\u0E81\\u0E82\\u0E84\\u0E87\\u0E88\\u0E8A\\u0E8D\\u0E94-\\u0E97\\u0E99-\\u0E9F\\u0EA1-\\u0EA3\\u0EA5\\u0EA7\\u0EAA\\u0EAB\\u0EAD-\\u0EB0\\u0EB2\\u0EB3\\u0EBD\\u0EC0-\\u0EC4\\u0EC6\\u0EDC\\u0EDD\\u0F00\\u0F40-\\u0F47\\u0F49-\\u0F6C\\u0F88-\\u0F8B\\u1000-\\u102A\\u103F\\u1050-\\u1055\\u105A-\\u105D\\u1061\\u1065\\u1066\\u106E-\\u1070\\u1075-\\u1081\\u108E\\u10A0-\\u10C5\\u10D0-\\u10FA\\u10FC\\u1100-\\u1159\\u115F-\\u11A2\\u11A8-\\u11F9\\u1200-\\u1248\\u124A-\\u124D\\u1250-\\u1256\\u1258\\u125A-\\u125D\\u1260-\\u1288\\u128A-\\u128D\\u1290-\\u12B0\\u12B2-\\u12B5\\u12B8-\\u12BE\\u12C0\\u12C2-\\u12C5\\u12C8-\\u12D6\\u12D8-\\u1310\\u1312-\\u1315\\u1318-\\u135A\\u1380-\\u138F\\u13A0-\\u13F4\\u1401-\\u166C\\u166F-\\u1676\\u1681-\\u169A\\u16A0-\\u16EA\\u1700-\\u170C\\u170E-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176C\\u176E-\\u1770\\u1780-\\u17B3\\u17D7\\u17DC\\u1820-\\u1877\\u1880-\\u18A8\\u18AA\\u1900-\\u191C\\u1950-\\u196D\\u1970-\\u1974\\u1980-\\u19A9\\u19C1-\\u19C7\\u1A00-\\u1A16\\u1B05-\\u1B33\\u1B45-\\u1B4B\\u1B83-\\u1BA0\\u1BAE\\u1BAF\\u1C00-\\u1C23\\u1C4D-\\u1C4F\\u1C5A-\\u1C7D\\u1D00-\\u1DBF\\u1E00-\\u1F15\\u1F18-\\u1F1D\\u1F20-\\u1F45\\u1F48-\\u1F4D\\u1F50-\\u1F57\\u1F59\\u1F5B\\u1F5D\\u1F5F-\\u1F7D\\u1F80-\\u1FB4\\u1FB6-\\u1FBC\\u1FBE\\u1FC2-\\u1FC4\\u1FC6-\\u1FCC\\u1FD0-\\u1FD3\\u1FD6-\\u1FDB\\u1FE0-\\u1FEC\\u1FF2-\\u1FF4\\u1FF6-\\u1FFC\\u2071\\u207F\\u2090-\\u2094\\u2102\\u2107\\u210A-\\u2113\\u2115\\u2119-\\u211D\\u2124\\u2126\\u2128\\u212A-\\u212D\\u212F-\\u2139\\u213C-\\u213F\\u2145-\\u2149\\u214E\\u2183\\u2184\\u2C00-\\u2C2E\\u2C30-\\u2C5E\\u2C60-\\u2C6F\\u2C71-\\u2C7D\\u2C80-\\u2CE4\\u2D00-\\u2D25\\u2D30-\\u2D65\\u2D6F\\u2D80-\\u2D96\\u2DA0-\\u2DA6\\u2DA8-\\u2DAE\\u2DB0-\\u2DB6\\u2DB8-\\u2DBE\\u2DC0-\\u2DC6\\u2DC8-\\u2DCE\\u2DD0-\\u2DD6\\u2DD8-\\u2DDE\\u2E2F\\u3005\\u3006\\u3031-\\u3035\\u303B\\u303C\\u3041-\\u3096\\u309D-\\u309F\\u30A1-\\u30FA\\u30FC-\\u30FF\\u3105-\\u312D\\u3131-\\u318E\\u31A0-\\u31B7\\u31F0-\\u31FF\\u3400\\u4DB5\\u4E00\\u9FC3\\uA000-\\uA48C\\uA500-\\uA60C\\uA610-\\uA61F\\uA62A\\uA62B\\uA640-\\uA65F\\uA662-\\uA66E\\uA67F-\\uA697\\uA717-\\uA71F\\uA722-\\uA788\\uA78B\\uA78C\\uA7FB-\\uA801\\uA803-\\uA805\\uA807-\\uA80A\\uA80C-\\uA822\\uA840-\\uA873\\uA882-\\uA8B3\\uA90A-\\uA925\\uA930-\\uA946\\uAA00-\\uAA28\\uAA40-\\uAA42\\uAA44-\\uAA4B\\uAC00\\uD7A3\\uF900-\\uFA2D\\uFA30-\\uFA6A\\uFA70-\\uFAD9\\uFB00-\\uFB06\\uFB13-\\uFB17\\uFB1D\\uFB1F-\\uFB28\\uFB2A-\\uFB36\\uFB38-\\uFB3C\\uFB3E\\uFB40\\uFB41\\uFB43\\uFB44\\uFB46-\\uFBB1\\uFBD3-\\uFD3D\\uFD50-\\uFD8F\\uFD92-\\uFDC7\\uFDF0-\\uFDFB\\uFE70-\\uFE74\\uFE76-\\uFEFC\\uFF21-\\uFF3A\\uFF41-\\uFF5A\\uFF66-\\uFFBE\\uFFC2-\\uFFC7\\uFFCA-\\uFFCF\\uFFD2-\\uFFD7\\uFFDA-\\uFFDC]"), non_spacing_mark: new 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space_combining_mark: new RegExp("[\\u0903\\u093E-\\u0940\\u0949-\\u094C\\u094E\\u0982\\u0983\\u09BE-\\u09C0\\u09C7\\u09C8\\u09CB\\u09CC\\u09D7\\u0A03\\u0A3E-\\u0A40\\u0A83\\u0ABE-\\u0AC0\\u0AC9\\u0ACB\\u0ACC\\u0B02\\u0B03\\u0B3E\\u0B40\\u0B47\\u0B48\\u0B4B\\u0B4C\\u0B57\\u0BBE\\u0BBF\\u0BC1\\u0BC2\\u0BC6-\\u0BC8\\u0BCA-\\u0BCC\\u0BD7\\u0C01-\\u0C03\\u0C41-\\u0C44\\u0C82\\u0C83\\u0CBE\\u0CC0-\\u0CC4\\u0CC7\\u0CC8\\u0CCA\\u0CCB\\u0CD5\\u0CD6\\u0D02\\u0D03\\u0D3E-\\u0D40\\u0D46-\\u0D48\\u0D4A-\\u0D4C\\u0D57\\u0D82\\u0D83\\u0DCF-\\u0DD1\\u0DD8-\\u0DDF\\u0DF2\\u0DF3\\u0F3E\\u0F3F\\u0F7F\\u102B\\u102C\\u1031\\u1038\\u103B\\u103C\\u1056\\u1057\\u1062-\\u1064\\u1067-\\u106D\\u1083\\u1084\\u1087-\\u108C\\u108F\\u109A-\\u109C\\u17B6\\u17BE-\\u17C5\\u17C7\\u17C8\\u1923-\\u1926\\u1929-\\u192B\\u1930\\u1931\\u1933-\\u1938\\u19B0-\\u19C0\\u19C8\\u19C9\\u1A19-\\u1A1B\\u1A55\\u1A57\\u1A61\\u1A63\\u1A64\\u1A6D-\\u1A72\\u1B04\\u1B35\\u1B3B\\u1B3D-\\u1B41\\u1B43\\u1B44\\u1B82\\u1BA1\\u1BA6\\u1BA7\\u1BAA\\u1C24-\\u1C2B\\u1C34\\u1C35\\u1CE1\\u1CF2\\uA823\\uA824\\uA827\\uA880\\uA881\\uA8B4-\\uA8C3\\uA952\\uA953\\uA983\\uA9B4\\uA9B5\\uA9BA\\uA9BB\\uA9BD-\\uA9C0\\uAA2F\\uAA30\\uAA33\\uAA34\\uAA4D\\uAA7B\\uABE3\\uABE4\\uABE6\\uABE7\\uABE9\\uABEA\\uABEC]"), connector_punctuation: new RegExp("[\\u005F\\u203F\\u2040\\u2054\\uFE33\\uFE34\\uFE4D-\\uFE4F\\uFF3F]") }; function is_letter(code) { return (code >= 97 && code <= 122) || (code >= 65 && code <= 90) || (code >= 0xaa && UNICODE.letter.test(String.fromCharCode(code))); }; function is_digit(code) { return code >= 48 && code <= 57; //XXX: find out if "UnicodeDigit" means something else than 0..9 }; function is_alphanumeric_char(code) { return is_digit(code) || is_letter(code); }; function is_unicode_combining_mark(ch) { return UNICODE.non_spacing_mark.test(ch) || UNICODE.space_combining_mark.test(ch); }; function is_unicode_connector_punctuation(ch) { return UNICODE.connector_punctuation.test(ch); }; function is_identifier(name) { return !RESERVED_WORDS(name) && /^[a-z_$][a-z0-9_$]*$/i.test(name); }; function is_identifier_start(code) { return code == 36 || code == 95 || is_letter(code); }; function is_identifier_char(ch) { var code = ch.charCodeAt(0); return is_identifier_start(code) || is_digit(code) || code == 8204 // \u200c: zero-width non-joiner || code == 8205 // \u200d: zero-width joiner (in my ECMA-262 PDF, this is also 200c) || is_unicode_combining_mark(ch) || is_unicode_connector_punctuation(ch) ; }; function is_identifier_string(str){ var i = str.length; if (i == 0) return false; if (!is_identifier_start(str.charCodeAt(0))) return false; while (--i >= 0) { if (!is_identifier_char(str.charAt(i))) return false; } return true; }; function parse_js_number(num) { if (RE_HEX_NUMBER.test(num)) { return parseInt(num.substr(2), 16); } else if (RE_OCT_NUMBER.test(num)) { return parseInt(num.substr(1), 8); } else if (RE_DEC_NUMBER.test(num)) { return parseFloat(num); } }; function JS_Parse_Error(message, line, col, pos) { this.message = message; this.line = line; this.col = col; this.pos = pos; this.stack = new Error().stack; }; JS_Parse_Error.prototype.toString = function() { return this.message + " (line: " + this.line + ", col: " + this.col + ", pos: " + this.pos + ")" + "\n\n" + this.stack; }; function js_error(message, filename, line, col, pos) { throw new JS_Parse_Error(message, line, col, pos); }; function is_token(token, type, val) { return token.type == type && (val == null || token.value == val); }; var EX_EOF = {}; function tokenizer($TEXT, filename, html5_comments) { var S = { text : $TEXT.replace(/\r\n?|[\n\u2028\u2029]/g, "\n").replace(/\uFEFF/g, ''), filename : filename, pos : 0, tokpos : 0, line : 1, tokline : 0, col : 0, tokcol : 0, newline_before : false, regex_allowed : false, comments_before : [] }; function peek() { return S.text.charAt(S.pos); }; function next(signal_eof, in_string) { var ch = S.text.charAt(S.pos++); if (signal_eof && !ch) throw EX_EOF; if (ch == "\n") { S.newline_before = S.newline_before || !in_string; ++S.line; S.col = 0; } else { ++S.col; } return ch; }; function forward(i) { while (i-- > 0) next(); }; function looking_at(str) { return S.text.substr(S.pos, str.length) == str; }; function find(what, signal_eof) { var pos = S.text.indexOf(what, S.pos); if (signal_eof && pos == -1) throw EX_EOF; return pos; }; function start_token() { S.tokline = S.line; S.tokcol = S.col; S.tokpos = S.pos; }; var prev_was_dot = false; function token(type, value, is_comment) { S.regex_allowed = ((type == "operator" && !UNARY_POSTFIX(value)) || (type == "keyword" && KEYWORDS_BEFORE_EXPRESSION(value)) || (type == "punc" && PUNC_BEFORE_EXPRESSION(value))); prev_was_dot = (type == "punc" && value == "."); var ret = { type : type, value : value, line : S.tokline, col : S.tokcol, pos : S.tokpos, endpos : S.pos, nlb : S.newline_before, file : filename }; if (!is_comment) { ret.comments_before = S.comments_before; S.comments_before = []; // make note of any newlines in the comments that came before for (var i = 0, len = ret.comments_before.length; i < len; i++) { ret.nlb = ret.nlb || ret.comments_before[i].nlb; } } S.newline_before = false; return new AST_Token(ret); }; function skip_whitespace() { while (WHITESPACE_CHARS(peek())) next(); }; function read_while(pred) { var ret = "", ch, i = 0; while ((ch = peek()) && pred(ch, i++)) ret += next(); return ret; }; function parse_error(err) { js_error(err, filename, S.tokline, S.tokcol, S.tokpos); }; function read_num(prefix) { var has_e = false, after_e = false, has_x = false, has_dot = prefix == "."; var num = read_while(function(ch, i){ var code = ch.charCodeAt(0); switch (code) { case 120: case 88: // xX return has_x ? false : (has_x = true); case 101: case 69: // eE return has_x ? true : has_e ? false : (has_e = after_e = true); case 45: // - return after_e || (i == 0 && !prefix); case 43: // + return after_e; case (after_e = false, 46): // . return (!has_dot && !has_x && !has_e) ? (has_dot = true) : false; } return is_alphanumeric_char(code); }); if (prefix) num = prefix + num; var valid = parse_js_number(num); if (!isNaN(valid)) { return token("num", valid); } else { parse_error("Invalid syntax: " + num); } }; function read_escaped_char(in_string) { var ch = next(true, in_string); switch (ch.charCodeAt(0)) { case 110 : return "\n"; case 114 : return "\r"; case 116 : return "\t"; case 98 : return "\b"; case 118 : return "\u000b"; // \v case 102 : return "\f"; case 48 : return "\0"; case 120 : return String.fromCharCode(hex_bytes(2)); // \x case 117 : return String.fromCharCode(hex_bytes(4)); // \u case 10 : return ""; // newline default : return ch; } }; function hex_bytes(n) { var num = 0; for (; n > 0; --n) { var digit = parseInt(next(true), 16); if (isNaN(digit)) parse_error("Invalid hex-character pattern in string"); num = (num << 4) | digit; } return num; }; var read_string = with_eof_error("Unterminated string constant", function(){ var quote = next(), ret = ""; for (;;) { var ch = next(true); if (ch == "\\") { // read OctalEscapeSequence (XXX: deprecated if "strict mode") // https://github.com/mishoo/UglifyJS/issues/178 var octal_len = 0, first = null; ch = read_while(function(ch){ if (ch >= "0" && ch <= "7") { if (!first) { first = ch; return ++octal_len; } else if (first <= "3" && octal_len <= 2) return ++octal_len; else if (first >= "4" && octal_len <= 1) return ++octal_len; } return false; }); if (octal_len > 0) ch = String.fromCharCode(parseInt(ch, 8)); else ch = read_escaped_char(true); } else if (ch == quote) break; ret += ch; } return token("string", ret); }); function skip_line_comment(type) { var regex_allowed = S.regex_allowed; var i = find("\n"), ret; if (i == -1) { ret = S.text.substr(S.pos); S.pos = S.text.length; } else { ret = S.text.substring(S.pos, i); S.pos = i; } S.comments_before.push(token(type, ret, true)); S.regex_allowed = regex_allowed; return next_token(); }; var skip_multiline_comment = with_eof_error("Unterminated multiline comment", function(){ var regex_allowed = S.regex_allowed; var i = find("*/", true); var text = S.text.substring(S.pos, i); var a = text.split("\n"), n = a.length; // update stream position S.pos = i + 2; S.line += n - 1; if (n > 1) S.col = a[n - 1].length; else S.col += a[n - 1].length; S.col += 2; var nlb = S.newline_before = S.newline_before || text.indexOf("\n") >= 0; S.comments_before.push(token("comment2", text, true)); S.regex_allowed = regex_allowed; S.newline_before = nlb; return next_token(); }); function read_name() { var backslash = false, name = "", ch, escaped = false, hex; while ((ch = peek()) != null) { if (!backslash) { if (ch == "\\") escaped = backslash = true, next(); else if (is_identifier_char(ch)) name += next(); else break; } else { if (ch != "u") parse_error("Expecting UnicodeEscapeSequence -- uXXXX"); ch = read_escaped_char(); if (!is_identifier_char(ch)) parse_error("Unicode char: " + ch.charCodeAt(0) + " is not valid in identifier"); name += ch; backslash = false; } } if (KEYWORDS(name) && escaped) { hex = name.charCodeAt(0).toString(16).toUpperCase(); name = "\\u" + "0000".substr(hex.length) + hex + name.slice(1); } return name; }; var read_regexp = with_eof_error("Unterminated regular expression", function(regexp){ var prev_backslash = false, ch, in_class = false; while ((ch = next(true))) if (prev_backslash) { regexp += "\\" + ch; prev_backslash = false; } else if (ch == "[") { in_class = true; regexp += ch; } else if (ch == "]" && in_class) { in_class = false; regexp += ch; } else if (ch == "/" && !in_class) { break; } else if (ch == "\\") { prev_backslash = true; } else { regexp += ch; } var mods = read_name(); return token("regexp", new RegExp(regexp, mods)); }); function read_operator(prefix) { function grow(op) { if (!peek()) return op; var bigger = op + peek(); if (OPERATORS(bigger)) { next(); return grow(bigger); } else { return op; } }; return token("operator", grow(prefix || next())); }; function handle_slash() { next(); switch (peek()) { case "/": next(); return skip_line_comment("comment1"); case "*": next(); return skip_multiline_comment(); } return S.regex_allowed ? read_regexp("") : read_operator("/"); }; function handle_dot() { next(); return is_digit(peek().charCodeAt(0)) ? read_num(".") : token("punc", "."); }; function read_word() { var word = read_name(); if (prev_was_dot) return token("name", word); return KEYWORDS_ATOM(word) ? token("atom", word) : !KEYWORDS(word) ? token("name", word) : OPERATORS(word) ? token("operator", word) : token("keyword", word); }; function with_eof_error(eof_error, cont) { return function(x) { try { return cont(x); } catch(ex) { if (ex === EX_EOF) parse_error(eof_error); else throw ex; } }; }; function next_token(force_regexp) { if (force_regexp != null) return read_regexp(force_regexp); skip_whitespace(); start_token(); if (html5_comments) { if (looking_at("") && S.newline_before) { forward(3); return skip_line_comment("comment4"); } } var ch = peek(); if (!ch) return token("eof"); var code = ch.charCodeAt(0); switch (code) { case 34: case 39: return read_string(); case 46: return handle_dot(); case 47: return handle_slash(); } if (is_digit(code)) return read_num(); if (PUNC_CHARS(ch)) return token("punc", next()); if (OPERATOR_CHARS(ch)) return read_operator(); if (code == 92 || is_identifier_start(code)) return read_word(); parse_error("Unexpected character '" + ch + "'"); }; next_token.context = function(nc) { if (nc) S = nc; return S; }; return next_token; }; /* -----[ Parser (constants) ]----- */ var UNARY_PREFIX = makePredicate([ "typeof", "void", "delete", "--", "++", "!", "~", "-", "+" ]); var UNARY_POSTFIX = makePredicate([ "--", "++" ]); var ASSIGNMENT = makePredicate([ "=", "+=", "-=", "/=", "*=", "%=", ">>=", "<<=", ">>>=", "|=", "^=", "&=" ]); var PRECEDENCE = (function(a, ret){ for (var i = 0; i < a.length; ++i) { var b = a[i]; for (var j = 0; j < b.length; ++j) { ret[b[j]] = i + 1; } } return ret; })( [ ["||"], ["&&"], ["|"], ["^"], ["&"], ["==", "===", "!=", "!=="], ["<", ">", "<=", ">=", "in", "instanceof"], [">>", "<<", ">>>"], ["+", "-"], ["*", "/", "%"] ], {} ); var STATEMENTS_WITH_LABELS = array_to_hash([ "for", "do", "while", "switch" ]); var ATOMIC_START_TOKEN = array_to_hash([ "atom", "num", "string", "regexp", "name" ]); /* -----[ Parser ]----- */ function parse($TEXT, options) { options = defaults(options, { strict : false, filename : null, toplevel : null, expression : false, html5_comments : true, }); var S = { input : (typeof $TEXT == "string" ? tokenizer($TEXT, options.filename, options.html5_comments) : $TEXT), token : null, prev : null, peeked : null, in_function : 0, in_directives : true, in_loop : 0, labels : [] }; S.token = next(); function is(type, value) { return is_token(S.token, type, value); }; function peek() { return S.peeked || (S.peeked = S.input()); }; function next() { S.prev = S.token; if (S.peeked) { S.token = S.peeked; S.peeked = null; } else { S.token = S.input(); } S.in_directives = S.in_directives && ( S.token.type == "string" || is("punc", ";") ); return S.token; }; function prev() { return S.prev; }; function croak(msg, line, col, pos) { var ctx = S.input.context(); js_error(msg, ctx.filename, line != null ? line : ctx.tokline, col != null ? col : ctx.tokcol, pos != null ? pos : ctx.tokpos); }; function token_error(token, msg) { croak(msg, token.line, token.col); }; function unexpected(token) { if (token == null) token = S.token; token_error(token, "Unexpected token: " + token.type + " (" + token.value + ")"); }; function expect_token(type, val) { if (is(type, val)) { return next(); } token_error(S.token, "Unexpected token " + S.token.type + " «" + S.token.value + "»" + ", expected " + type + " «" + val + "»"); }; function expect(punc) { return expect_token("punc", punc); }; function can_insert_semicolon() { return !options.strict && ( S.token.nlb || is("eof") || is("punc", "}") ); }; function semicolon() { if (is("punc", ";")) next(); else if (!can_insert_semicolon()) unexpected(); }; function parenthesised() { expect("("); var exp = expression(true); expect(")"); return exp; }; function embed_tokens(parser) { return function() { var start = S.token; var expr = parser(); var end = prev(); expr.start = start; expr.end = end; return expr; }; }; function handle_regexp() { if (is("operator", "/") || is("operator", "/=")) { S.peeked = null; S.token = S.input(S.token.value.substr(1)); // force regexp } }; var statement = embed_tokens(function() { var tmp; handle_regexp(); switch (S.token.type) { case "string": var dir = S.in_directives, stat = simple_statement(); // XXXv2: decide how to fix directives if (dir && stat.body instanceof AST_String && !is("punc", ",")) return new AST_Directive({ value: stat.body.value }); return stat; case "num": case "regexp": case "operator": case "atom": return simple_statement(); case "name": return is_token(peek(), "punc", ":") ? labeled_statement() : simple_statement(); case "punc": switch (S.token.value) { case "{": return new AST_BlockStatement({ start : S.token, body : block_(), end : prev() }); case "[": case "(": return simple_statement(); case ";": next(); return new AST_EmptyStatement(); default: unexpected(); } case "keyword": switch (tmp = S.token.value, next(), tmp) { case "break": return break_cont(AST_Break); case "continue": return break_cont(AST_Continue); case "debugger": semicolon(); return new AST_Debugger(); case "do": return new AST_Do({ body : in_loop(statement), condition : (expect_token("keyword", "while"), tmp = parenthesised(), semicolon(), tmp) }); case "while": return new AST_While({ condition : parenthesised(), body : in_loop(statement) }); case "for": return for_(); case "function": return function_(AST_Defun); case "if": return if_(); case "return": if (S.in_function == 0) croak("'return' outside of function"); return new AST_Return({ value: ( is("punc", ";") ? (next(), null) : can_insert_semicolon() ? null : (tmp = expression(true), semicolon(), tmp) ) }); case "switch": return new AST_Switch({ expression : parenthesised(), body : in_loop(switch_body_) }); case "throw": if (S.token.nlb) croak("Illegal newline after 'throw'"); return new AST_Throw({ value: (tmp = expression(true), semicolon(), tmp) }); case "try": return try_(); case "var": return tmp = var_(), semicolon(), tmp; case "const": return tmp = const_(), semicolon(), tmp; case "with": return new AST_With({ expression : parenthesised(), body : statement() }); default: unexpected(); } } }); function labeled_statement() { var label = as_symbol(AST_Label); if (find_if(function(l){ return l.name == label.name }, S.labels)) { // ECMA-262, 12.12: An ECMAScript program is considered // syntactically incorrect if it contains a // LabelledStatement that is enclosed by a // LabelledStatement with the same Identifier as label. croak("Label " + label.name + " defined twice"); } expect(":"); S.labels.push(label); var stat = statement(); S.labels.pop(); if (!(stat instanceof AST_IterationStatement)) { // check for `continue` that refers to this label. // those should be reported as syntax errors. // https://github.com/mishoo/UglifyJS2/issues/287 label.references.forEach(function(ref){ if (ref instanceof AST_Continue) { ref = ref.label.start; croak("Continue label `" + label.name + "` refers to non-IterationStatement.", ref.line, ref.col, ref.pos); } }); } return new AST_LabeledStatement({ body: stat, label: label }); }; function simple_statement(tmp) { return new AST_SimpleStatement({ body: (tmp = expression(true), semicolon(), tmp) }); }; function break_cont(type) { var label = null, ldef; if (!can_insert_semicolon()) { label = as_symbol(AST_LabelRef, true); } if (label != null) { ldef = find_if(function(l){ return l.name == label.name }, S.labels); if (!ldef) croak("Undefined label " + label.name); label.thedef = ldef; } else if (S.in_loop == 0) croak(type.TYPE + " not inside a loop or switch"); semicolon(); var stat = new type({ label: label }); if (ldef) ldef.references.push(stat); return stat; }; function for_() { expect("("); var init = null; if (!is("punc", ";")) { init = is("keyword", "var") ? (next(), var_(true)) : expression(true, true); if (is("operator", "in")) { if (init instanceof AST_Var && init.definitions.length > 1) croak("Only one variable declaration allowed in for..in loop"); next(); return for_in(init); } } return regular_for(init); }; function regular_for(init) { expect(";"); var test = is("punc", ";") ? null : expression(true); expect(";"); var step = is("punc", ")") ? null : expression(true); expect(")"); return new AST_For({ init : init, condition : test, step : step, body : in_loop(statement) }); }; function for_in(init) { var lhs = init instanceof AST_Var ? init.definitions[0].name : null; var obj = expression(true); expect(")"); return new AST_ForIn({ init : init, name : lhs, object : obj, body : in_loop(statement) }); }; var function_ = function(ctor) { var in_statement = ctor === AST_Defun; var name = is("name") ? as_symbol(in_statement ? AST_SymbolDefun : AST_SymbolLambda) : null; if (in_statement && !name) unexpected(); expect("("); return new ctor({ name: name, argnames: (function(first, a){ while (!is("punc", ")")) { if (first) first = false; else expect(","); a.push(as_symbol(AST_SymbolFunarg)); } next(); return a; })(true, []), body: (function(loop, labels){ ++S.in_function; S.in_directives = true; S.in_loop = 0; S.labels = []; var a = block_(); --S.in_function; S.in_loop = loop; S.labels = labels; return a; })(S.in_loop, S.labels) }); }; function if_() { var cond = parenthesised(), body = statement(), belse = null; if (is("keyword", "else")) { next(); belse = statement(); } return new AST_If({ condition : cond, body : body, alternative : belse }); }; function block_() { expect("{"); var a = []; while (!is("punc", "}")) { if (is("eof")) unexpected(); a.push(statement()); } next(); return a; }; function switch_body_() { expect("{"); var a = [], cur = null, branch = null, tmp; while (!is("punc", "}")) { if (is("eof")) unexpected(); if (is("keyword", "case")) { if (branch) branch.end = prev(); cur = []; branch = new AST_Case({ start : (tmp = S.token, next(), tmp), expression : expression(true), body : cur }); a.push(branch); expect(":"); } else if (is("keyword", "default")) { if (branch) branch.end = prev(); cur = []; branch = new AST_Default({ start : (tmp = S.token, next(), expect(":"), tmp), body : cur }); a.push(branch); } else { if (!cur) unexpected(); cur.push(statement()); } } if (branch) branch.end = prev(); next(); return a; }; function try_() { var body = block_(), bcatch = null, bfinally = null; if (is("keyword", "catch")) { var start = S.token; next(); expect("("); var name = as_symbol(AST_SymbolCatch); expect(")"); bcatch = new AST_Catch({ start : start, argname : name, body : block_(), end : prev() }); } if (is("keyword", "finally")) { var start = S.token; next(); bfinally = new AST_Finally({ start : start, body : block_(), end : prev() }); } if (!bcatch && !bfinally) croak("Missing catch/finally blocks"); return new AST_Try({ body : body, bcatch : bcatch, bfinally : bfinally }); }; function vardefs(no_in, in_const) { var a = []; for (;;) { a.push(new AST_VarDef({ start : S.token, name : as_symbol(in_const ? AST_SymbolConst : AST_SymbolVar), value : is("operator", "=") ? (next(), expression(false, no_in)) : null, end : prev() })); if (!is("punc", ",")) break; next(); } return a; }; var var_ = function(no_in) { return new AST_Var({ start : prev(), definitions : vardefs(no_in, false), end : prev() }); }; var const_ = function() { return new AST_Const({ start : prev(), definitions : vardefs(false, true), end : prev() }); }; var new_ = function() { var start = S.token; expect_token("operator", "new"); var newexp = expr_atom(false), args; if (is("punc", "(")) { next(); args = expr_list(")"); } else { args = []; } return subscripts(new AST_New({ start : start, expression : newexp, args : args, end : prev() }), true); }; function as_atom_node() { var tok = S.token, ret; switch (tok.type) { case "name": case "keyword": ret = _make_symbol(AST_SymbolRef); break; case "num": ret = new AST_Number({ start: tok, end: tok, value: tok.value }); break; case "string": ret = new AST_String({ start: tok, end: tok, value: tok.value }); break; case "regexp": ret = new AST_RegExp({ start: tok, end: tok, value: tok.value }); break; case "atom": switch (tok.value) { case "false": ret = new AST_False({ start: tok, end: tok }); break; case "true": ret = new AST_True({ start: tok, end: tok }); break; case "null": ret = new AST_Null({ start: tok, end: tok }); break; } break; } next(); return ret; }; var expr_atom = function(allow_calls) { if (is("operator", "new")) { return new_(); } var start = S.token; if (is("punc")) { switch (start.value) { case "(": next(); var ex = expression(true); ex.start = start; ex.end = S.token; expect(")"); return subscripts(ex, allow_calls); case "[": return subscripts(array_(), allow_calls); case "{": return subscripts(object_(), allow_calls); } unexpected(); } if (is("keyword", "function")) { next(); var func = function_(AST_Function); func.start = start; func.end = prev(); return subscripts(func, allow_calls); } if (ATOMIC_START_TOKEN[S.token.type]) { return subscripts(as_atom_node(), allow_calls); } unexpected(); }; function expr_list(closing, allow_trailing_comma, allow_empty) { var first = true, a = []; while (!is("punc", closing)) { if (first) first = false; else expect(","); if (allow_trailing_comma && is("punc", closing)) break; if (is("punc", ",") && allow_empty) { a.push(new AST_Hole({ start: S.token, end: S.token })); } else { a.push(expression(false)); } } next(); return a; }; var array_ = embed_tokens(function() { expect("["); return new AST_Array({ elements: expr_list("]", !options.strict, true) }); }); var object_ = embed_tokens(function() { expect("{"); var first = true, a = []; while (!is("punc", "}")) { if (first) first = false; else expect(","); if (!options.strict && is("punc", "}")) // allow trailing comma break; var start = S.token; var type = start.type; var name = as_property_name(); if (type == "name" && !is("punc", ":")) { if (name == "get") { a.push(new AST_ObjectGetter({ start : start, key : as_atom_node(), value : function_(AST_Accessor), end : prev() })); continue; } if (name == "set") { a.push(new AST_ObjectSetter({ start : start, key : as_atom_node(), value : function_(AST_Accessor), end : prev() })); continue; } } expect(":"); a.push(new AST_ObjectKeyVal({ start : start, key : name, value : expression(false), end : prev() })); } next(); return new AST_Object({ properties: a }); }); function as_property_name() { var tmp = S.token; next(); switch (tmp.type) { case "num": case "string": case "name": case "operator": case "keyword": case "atom": return tmp.value; default: unexpected(); } }; function as_name() { var tmp = S.token; next(); switch (tmp.type) { case "name": case "operator": case "keyword": case "atom": return tmp.value; default: unexpected(); } }; function _make_symbol(type) { var name = S.token.value; return new (name == "this" ? AST_This : type)({ name : String(name), start : S.token, end : S.token }); }; function as_symbol(type, noerror) { if (!is("name")) { if (!noerror) croak("Name expected"); return null; } var sym = _make_symbol(type); next(); return sym; }; var subscripts = function(expr, allow_calls) { var start = expr.start; if (is("punc", ".")) { next(); return subscripts(new AST_Dot({ start : start, expression : expr, property : as_name(), end : prev() }), allow_calls); } if (is("punc", "[")) { next(); var prop = expression(true); expect("]"); return subscripts(new AST_Sub({ start : start, expression : expr, property : prop, end : prev() }), allow_calls); } if (allow_calls && is("punc", "(")) { next(); return subscripts(new AST_Call({ start : start, expression : expr, args : expr_list(")"), end : prev() }), true); } return expr; }; var maybe_unary = function(allow_calls) { var start = S.token; if (is("operator") && UNARY_PREFIX(start.value)) { next(); handle_regexp(); var ex = make_unary(AST_UnaryPrefix, start.value, maybe_unary(allow_calls)); ex.start = start; ex.end = prev(); return ex; } var val = expr_atom(allow_calls); while (is("operator") && UNARY_POSTFIX(S.token.value) && !S.token.nlb) { val = make_unary(AST_UnaryPostfix, S.token.value, val); val.start = start; val.end = S.token; next(); } return val; }; function make_unary(ctor, op, expr) { if ((op == "++" || op == "--") && !is_assignable(expr)) croak("Invalid use of " + op + " operator"); return new ctor({ operator: op, expression: expr }); }; var expr_op = function(left, min_prec, no_in) { var op = is("operator") ? S.token.value : null; if (op == "in" && no_in) op = null; var prec = op != null ? PRECEDENCE[op] : null; if (prec != null && prec > min_prec) { next(); var right = expr_op(maybe_unary(true), prec, no_in); return expr_op(new AST_Binary({ start : left.start, left : left, operator : op, right : right, end : right.end }), min_prec, no_in); } return left; }; function expr_ops(no_in) { return expr_op(maybe_unary(true), 0, no_in); }; var maybe_conditional = function(no_in) { var start = S.token; var expr = expr_ops(no_in); if (is("operator", "?")) { next(); var yes = expression(false); expect(":"); return new AST_Conditional({ start : start, condition : expr, consequent : yes, alternative : expression(false, no_in), end : peek() }); } return expr; }; function is_assignable(expr) { if (!options.strict) return true; if (expr instanceof AST_This) return false; return (expr instanceof AST_PropAccess || expr instanceof AST_Symbol); }; var maybe_assign = function(no_in) { var start = S.token; var left = maybe_conditional(no_in), val = S.token.value; if (is("operator") && ASSIGNMENT(val)) { if (is_assignable(left)) { next(); return new AST_Assign({ start : start, left : left, operator : val, right : maybe_assign(no_in), end : prev() }); } croak("Invalid assignment"); } return left; }; var expression = function(commas, no_in) { var start = S.token; var expr = maybe_assign(no_in); if (commas && is("punc", ",")) { next(); return new AST_Seq({ start : start, car : expr, cdr : expression(true, no_in), end : peek() }); } return expr; }; function in_loop(cont) { ++S.in_loop; var ret = cont(); --S.in_loop; return ret; }; if (options.expression) { return expression(true); } return (function(){ var start = S.token; var body = []; while (!is("eof")) body.push(statement()); var end = prev(); var toplevel = options.toplevel; if (toplevel) { toplevel.body = toplevel.body.concat(body); toplevel.end = end; } else { toplevel = new AST_Toplevel({ start: start, body: body, end: end }); } return toplevel; })(); }; /*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon 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 HOLDER “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 THE 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. ***********************************************************************/ "use strict"; // Tree transformer helpers. function TreeTransformer(before, after) { TreeWalker.call(this); this.before = before; this.after = after; } TreeTransformer.prototype = new TreeWalker; (function(undefined){ function _(node, descend) { node.DEFMETHOD("transform", function(tw, in_list){ var x, y; tw.push(this); if (tw.before) x = tw.before(this, descend, in_list); if (x === undefined) { if (!tw.after) { x = this; descend(x, tw); } else { tw.stack[tw.stack.length - 1] = x = this.clone(); descend(x, tw); y = tw.after(x, in_list); if (y !== undefined) x = y; } } tw.pop(); return x; }); }; function do_list(list, tw) { return MAP(list, function(node){ return node.transform(tw, true); }); }; _(AST_Node, noop); _(AST_LabeledStatement, function(self, tw){ self.label = self.label.transform(tw); self.body = self.body.transform(tw); }); _(AST_SimpleStatement, function(self, tw){ self.body = self.body.transform(tw); }); _(AST_Block, function(self, tw){ self.body = do_list(self.body, tw); }); _(AST_DWLoop, function(self, tw){ self.condition = self.condition.transform(tw); self.body = self.body.transform(tw); }); _(AST_For, function(self, tw){ if (self.init) self.init = self.init.transform(tw); if (self.condition) self.condition = self.condition.transform(tw); if (self.step) self.step = self.step.transform(tw); self.body = self.body.transform(tw); }); _(AST_ForIn, function(self, tw){ self.init = self.init.transform(tw); self.object = self.object.transform(tw); self.body = self.body.transform(tw); }); _(AST_With, function(self, tw){ self.expression = self.expression.transform(tw); self.body = self.body.transform(tw); }); _(AST_Exit, function(self, tw){ if (self.value) self.value = self.value.transform(tw); }); _(AST_LoopControl, function(self, tw){ if (self.label) self.label = self.label.transform(tw); }); _(AST_If, function(self, tw){ self.condition = self.condition.transform(tw); self.body = self.body.transform(tw); if (self.alternative) self.alternative = self.alternative.transform(tw); }); _(AST_Switch, function(self, tw){ self.expression = self.expression.transform(tw); self.body = do_list(self.body, tw); }); _(AST_Case, function(self, tw){ self.expression = self.expression.transform(tw); self.body = do_list(self.body, tw); }); _(AST_Try, function(self, tw){ self.body = do_list(self.body, tw); if (self.bcatch) self.bcatch = self.bcatch.transform(tw); if (self.bfinally) self.bfinally = self.bfinally.transform(tw); }); _(AST_Catch, function(self, tw){ self.argname = self.argname.transform(tw); self.body = do_list(self.body, tw); }); _(AST_Definitions, function(self, tw){ self.definitions = do_list(self.definitions, tw); }); _(AST_VarDef, function(self, tw){ self.name = self.name.transform(tw); if (self.value) self.value = self.value.transform(tw); }); _(AST_Lambda, function(self, tw){ if (self.name) self.name = self.name.transform(tw); self.argnames = do_list(self.argnames, tw); self.body = do_list(self.body, tw); }); _(AST_Call, function(self, tw){ self.expression = self.expression.transform(tw); self.args = do_list(self.args, tw); }); _(AST_Seq, function(self, tw){ self.car = self.car.transform(tw); self.cdr = self.cdr.transform(tw); }); _(AST_Dot, function(self, tw){ self.expression = self.expression.transform(tw); }); _(AST_Sub, function(self, tw){ self.expression = self.expression.transform(tw); self.property = self.property.transform(tw); }); _(AST_Unary, function(self, tw){ self.expression = self.expression.transform(tw); }); _(AST_Binary, function(self, tw){ self.left = self.left.transform(tw); self.right = self.right.transform(tw); }); _(AST_Conditional, function(self, tw){ self.condition = self.condition.transform(tw); self.consequent = self.consequent.transform(tw); self.alternative = self.alternative.transform(tw); }); _(AST_Array, function(self, tw){ self.elements = do_list(self.elements, tw); }); _(AST_Object, function(self, tw){ self.properties = do_list(self.properties, tw); }); _(AST_ObjectProperty, function(self, tw){ self.value = self.value.transform(tw); }); })(); /*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon 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 HOLDER “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 THE 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. ***********************************************************************/ "use strict"; function SymbolDef(scope, index, orig) { this.name = orig.name; this.orig = [ orig ]; this.scope = scope; this.references = []; this.global = false; this.mangled_name = null; this.undeclared = false; this.constant = false; this.index = index; }; SymbolDef.prototype = { unmangleable: function(options) { return (this.global && !(options && options.toplevel)) || this.undeclared || (!(options && options.eval) && (this.scope.uses_eval || this.scope.uses_with)); }, mangle: function(options) { if (!this.mangled_name && !this.unmangleable(options)) { var s = this.scope; if (!options.screw_ie8 && this.orig[0] instanceof AST_SymbolLambda) s = s.parent_scope; this.mangled_name = s.next_mangled(options, this); } } }; AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){ options = defaults(options, { screw_ie8: false }); // pass 1: setup scope chaining and handle definitions var self = this; var scope = self.parent_scope = null; var defun = null; var nesting = 0; var tw = new TreeWalker(function(node, descend){ if (options.screw_ie8 && node instanceof AST_Catch) { var save_scope = scope; scope = new AST_Scope(node); scope.init_scope_vars(nesting); scope.parent_scope = save_scope; descend(); scope = save_scope; return true; } if (node instanceof AST_Scope) { node.init_scope_vars(nesting); var save_scope = node.parent_scope = scope; var save_defun = defun; defun = scope = node; ++nesting; descend(); --nesting; scope = save_scope; defun = save_defun; return true; // don't descend again in TreeWalker } if (node instanceof AST_Directive) { node.scope = scope; push_uniq(scope.directives, node.value); return true; } if (node instanceof AST_With) { for (var s = scope; s; s = s.parent_scope) s.uses_with = true; return; } if (node instanceof AST_Symbol) { node.scope = scope; } if (node instanceof AST_SymbolLambda) { defun.def_function(node); } else if (node instanceof AST_SymbolDefun) { // Careful here, the scope where this should be defined is // the parent scope. The reason is that we enter a new // scope when we encounter the AST_Defun node (which is // instanceof AST_Scope) but we get to the symbol a bit // later. (node.scope = defun.parent_scope).def_function(node); } else if (node instanceof AST_SymbolVar || node instanceof AST_SymbolConst) { var def = defun.def_variable(node); def.constant = node instanceof AST_SymbolConst; def.init = tw.parent().value; } else if (node instanceof AST_SymbolCatch) { (options.screw_ie8 ? scope : defun) .def_variable(node); } }); self.walk(tw); // pass 2: find back references and eval var func = null; var globals = self.globals = new Dictionary(); var tw = new TreeWalker(function(node, descend){ if (node instanceof AST_Lambda) { var prev_func = func; func = node; descend(); func = prev_func; return true; } if (node instanceof AST_SymbolRef) { var name = node.name; var sym = node.scope.find_variable(name); if (!sym) { var g; if (globals.has(name)) { g = globals.get(name); } else { g = new SymbolDef(self, globals.size(), node); g.undeclared = true; g.global = true; globals.set(name, g); } node.thedef = g; if (name == "eval" && tw.parent() instanceof AST_Call) { for (var s = node.scope; s && !s.uses_eval; s = s.parent_scope) s.uses_eval = true; } if (func && name == "arguments") { func.uses_arguments = true; } } else { node.thedef = sym; } node.reference(); return true; } }); self.walk(tw); }); AST_Scope.DEFMETHOD("init_scope_vars", function(nesting){ this.directives = []; // contains the directives defined in this scope, i.e. "use strict" this.variables = new Dictionary(); // map name to AST_SymbolVar (variables defined in this scope; includes functions) this.functions = new Dictionary(); // map name to AST_SymbolDefun (functions defined in this scope) this.uses_with = false; // will be set to true if this or some nested scope uses the `with` statement this.uses_eval = false; // will be set to true if this or nested scope uses the global `eval` this.parent_scope = null; // the parent scope this.enclosed = []; // a list of variables from this or outer scope(s) that are referenced from this or inner scopes this.cname = -1; // the current index for mangling functions/variables this.nesting = nesting; // the nesting level of this scope (0 means toplevel) }); AST_Scope.DEFMETHOD("strict", function(){ return this.has_directive("use strict"); }); AST_Lambda.DEFMETHOD("init_scope_vars", function(){ AST_Scope.prototype.init_scope_vars.apply(this, arguments); this.uses_arguments = false; }); AST_SymbolRef.DEFMETHOD("reference", function() { var def = this.definition(); def.references.push(this); var s = this.scope; while (s) { push_uniq(s.enclosed, def); if (s === def.scope) break; s = s.parent_scope; } this.frame = this.scope.nesting - def.scope.nesting; }); AST_Scope.DEFMETHOD("find_variable", function(name){ if (name instanceof AST_Symbol) name = name.name; return this.variables.get(name) || (this.parent_scope && this.parent_scope.find_variable(name)); }); AST_Scope.DEFMETHOD("has_directive", function(value){ return this.parent_scope && this.parent_scope.has_directive(value) || (this.directives.indexOf(value) >= 0 ? this : null); }); AST_Scope.DEFMETHOD("def_function", function(symbol){ this.functions.set(symbol.name, this.def_variable(symbol)); }); AST_Scope.DEFMETHOD("def_variable", function(symbol){ var def; if (!this.variables.has(symbol.name)) { def = new SymbolDef(this, this.variables.size(), symbol); this.variables.set(symbol.name, def); def.global = !this.parent_scope; } else { def = this.variables.get(symbol.name); def.orig.push(symbol); } return symbol.thedef = def; }); AST_Scope.DEFMETHOD("next_mangled", function(options){ var ext = this.enclosed; out: while (true) { var m = base54(++this.cname); if (!is_identifier(m)) continue; // skip over "do" // https://github.com/mishoo/UglifyJS2/issues/242 -- do not // shadow a name excepted from mangling. if (options.except.indexOf(m) >= 0) continue; // we must ensure that the mangled name does not shadow a name // from some parent scope that is referenced in this or in // inner scopes. for (var i = ext.length; --i >= 0;) { var sym = ext[i]; var name = sym.mangled_name || (sym.unmangleable(options) && sym.name); if (m == name) continue out; } return m; } }); AST_Function.DEFMETHOD("next_mangled", function(options, def){ // #179, #326 // in Safari strict mode, something like (function x(x){...}) is a syntax error; // a function expression's argument cannot shadow the function expression's name var tricky_def = def.orig[0] instanceof AST_SymbolFunarg && this.name && this.name.definition(); while (true) { var name = AST_Lambda.prototype.next_mangled.call(this, options, def); if (!(tricky_def && tricky_def.mangled_name == name)) return name; } }); AST_Scope.DEFMETHOD("references", function(sym){ if (sym instanceof AST_Symbol) sym = sym.definition(); return this.enclosed.indexOf(sym) < 0 ? null : sym; }); AST_Symbol.DEFMETHOD("unmangleable", function(options){ return this.definition().unmangleable(options); }); // property accessors are not mangleable AST_SymbolAccessor.DEFMETHOD("unmangleable", function(){ return true; }); // labels are always mangleable AST_Label.DEFMETHOD("unmangleable", function(){ return false; }); AST_Symbol.DEFMETHOD("unreferenced", function(){ return this.definition().references.length == 0 && !(this.scope.uses_eval || this.scope.uses_with); }); AST_Symbol.DEFMETHOD("undeclared", function(){ return this.definition().undeclared; }); AST_LabelRef.DEFMETHOD("undeclared", function(){ return false; }); AST_Label.DEFMETHOD("undeclared", function(){ return false; }); AST_Symbol.DEFMETHOD("definition", function(){ return this.thedef; }); AST_Symbol.DEFMETHOD("global", function(){ return this.definition().global; }); AST_Toplevel.DEFMETHOD("_default_mangler_options", function(options){ return defaults(options, { except : [], eval : false, sort : false, toplevel : false, screw_ie8 : false }); }); AST_Toplevel.DEFMETHOD("mangle_names", function(options){ options = this._default_mangler_options(options); // We only need to mangle declaration nodes. Special logic wired // into the code generator will display the mangled name if it's // present (and for AST_SymbolRef-s it'll use the mangled name of // the AST_SymbolDeclaration that it points to). var lname = -1; var to_mangle = []; var tw = new TreeWalker(function(node, descend){ if (node instanceof AST_LabeledStatement) { // lname is incremented when we get to the AST_Label var save_nesting = lname; descend(); lname = save_nesting; return true; // don't descend again in TreeWalker } if (node instanceof AST_Scope) { var p = tw.parent(), a = []; node.variables.each(function(symbol){ if (options.except.indexOf(symbol.name) < 0) { a.push(symbol); } }); if (options.sort) a.sort(function(a, b){ return b.references.length - a.references.length; }); to_mangle.push.apply(to_mangle, a); return; } if (node instanceof AST_Label) { var name; do name = base54(++lname); while (!is_identifier(name)); node.mangled_name = name; return true; } }); this.walk(tw); to_mangle.forEach(function(def){ def.mangle(options) }); }); AST_Toplevel.DEFMETHOD("compute_char_frequency", function(options){ options = this._default_mangler_options(options); var tw = new TreeWalker(function(node){ if (node instanceof AST_Constant) base54.consider(node.print_to_string()); else if (node instanceof AST_Return) base54.consider("return"); else if (node instanceof AST_Throw) base54.consider("throw"); else if (node instanceof AST_Continue) base54.consider("continue"); else if (node instanceof AST_Break) base54.consider("break"); else if (node instanceof AST_Debugger) base54.consider("debugger"); else if (node instanceof AST_Directive) base54.consider(node.value); else if (node instanceof AST_While) base54.consider("while"); else if (node instanceof AST_Do) base54.consider("do while"); else if (node instanceof AST_If) { base54.consider("if"); if (node.alternative) base54.consider("else"); } else if (node instanceof AST_Var) base54.consider("var"); else if (node instanceof AST_Const) base54.consider("const"); else if (node instanceof AST_Lambda) base54.consider("function"); else if (node instanceof AST_For) base54.consider("for"); else if (node instanceof AST_ForIn) base54.consider("for in"); else if (node instanceof AST_Switch) base54.consider("switch"); else if (node instanceof AST_Case) base54.consider("case"); else if (node instanceof AST_Default) base54.consider("default"); else if (node instanceof AST_With) base54.consider("with"); else if (node instanceof AST_ObjectSetter) base54.consider("set" + node.key); else if (node instanceof AST_ObjectGetter) base54.consider("get" + node.key); else if (node instanceof AST_ObjectKeyVal) base54.consider(node.key); else if (node instanceof AST_New) base54.consider("new"); else if (node instanceof AST_This) base54.consider("this"); else if (node instanceof AST_Try) base54.consider("try"); else if (node instanceof AST_Catch) base54.consider("catch"); else if (node instanceof AST_Finally) base54.consider("finally"); else if (node instanceof AST_Symbol && node.unmangleable(options)) base54.consider(node.name); else if (node instanceof AST_Unary || node instanceof AST_Binary) base54.consider(node.operator); else if (node instanceof AST_Dot) base54.consider(node.property); }); this.walk(tw); base54.sort(); }); var base54 = (function() { var string = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_0123456789"; var chars, frequency; function reset() { frequency = Object.create(null); chars = string.split("").map(function(ch){ return ch.charCodeAt(0) }); chars.forEach(function(ch){ frequency[ch] = 0 }); } base54.consider = function(str){ for (var i = str.length; --i >= 0;) { var code = str.charCodeAt(i); if (code in frequency) ++frequency[code]; } }; base54.sort = function() { chars = mergeSort(chars, function(a, b){ if (is_digit(a) && !is_digit(b)) return 1; if (is_digit(b) && !is_digit(a)) return -1; return frequency[b] - frequency[a]; }); }; base54.reset = reset; reset(); base54.get = function(){ return chars }; base54.freq = function(){ return frequency }; function base54(num) { var ret = "", base = 54; do { ret += String.fromCharCode(chars[num % base]); num = Math.floor(num / base); base = 64; } while (num > 0); return ret; }; return base54; })(); AST_Toplevel.DEFMETHOD("scope_warnings", function(options){ options = defaults(options, { undeclared : false, // this makes a lot of noise unreferenced : true, assign_to_global : true, func_arguments : true, nested_defuns : true, eval : true }); var tw = new TreeWalker(function(node){ if (options.undeclared && node instanceof AST_SymbolRef && node.undeclared()) { // XXX: this also warns about JS standard names, // i.e. Object, Array, parseInt etc. Should add a list of // exceptions. AST_Node.warn("Undeclared symbol: {name} [{file}:{line},{col}]", { name: node.name, file: node.start.file, line: node.start.line, col: node.start.col }); } if (options.assign_to_global) { var sym = null; if (node instanceof AST_Assign && node.left instanceof AST_SymbolRef) sym = node.left; else if (node instanceof AST_ForIn && node.init instanceof AST_SymbolRef) sym = node.init; if (sym && (sym.undeclared() || (sym.global() && sym.scope !== sym.definition().scope))) { AST_Node.warn("{msg}: {name} [{file}:{line},{col}]", { msg: sym.undeclared() ? "Accidental global?" : "Assignment to global", name: sym.name, file: sym.start.file, line: sym.start.line, col: sym.start.col }); } } if (options.eval && node instanceof AST_SymbolRef && node.undeclared() && node.name == "eval") { AST_Node.warn("Eval is used [{file}:{line},{col}]", node.start); } if (options.unreferenced && (node instanceof AST_SymbolDeclaration || node instanceof AST_Label) && node.unreferenced()) { AST_Node.warn("{type} {name} is declared but not referenced [{file}:{line},{col}]", { type: node instanceof AST_Label ? "Label" : "Symbol", name: node.name, file: node.start.file, line: node.start.line, col: node.start.col }); } if (options.func_arguments && node instanceof AST_Lambda && node.uses_arguments) { AST_Node.warn("arguments used in function {name} [{file}:{line},{col}]", { name: node.name ? node.name.name : "anonymous", file: node.start.file, line: node.start.line, col: node.start.col }); } if (options.nested_defuns && node instanceof AST_Defun && !(tw.parent() instanceof AST_Scope)) { AST_Node.warn("Function {name} declared in nested statement \"{type}\" [{file}:{line},{col}]", { name: node.name.name, type: tw.parent().TYPE, file: node.start.file, line: node.start.line, col: node.start.col }); } }); this.walk(tw); }); /*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon 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 HOLDER “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 THE 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. ***********************************************************************/ "use strict"; function OutputStream(options) { options = defaults(options, { indent_start : 0, indent_level : 4, quote_keys : false, space_colon : true, ascii_only : false, inline_script : false, width : 80, max_line_len : 32000, beautify : false, source_map : null, bracketize : false, semicolons : true, comments : false, preserve_line : false, screw_ie8 : false, preamble : null, }, true); var indentation = 0; var current_col = 0; var current_line = 1; var current_pos = 0; var OUTPUT = ""; function to_ascii(str, identifier) { return str.replace(/[\u0080-\uffff]/g, function(ch) { var code = ch.charCodeAt(0).toString(16); if (code.length <= 2 && !identifier) { while (code.length < 2) code = "0" + code; return "\\x" + code; } else { while (code.length < 4) code = "0" + code; return "\\u" + code; } }); }; function make_string(str) { var dq = 0, sq = 0; str = str.replace(/[\\\b\f\n\r\t\x22\x27\u2028\u2029\0]/g, function(s){ switch (s) { case "\\": return "\\\\"; case "\b": return "\\b"; case "\f": return "\\f"; case "\n": return "\\n"; case "\r": return "\\r"; case "\u2028": return "\\u2028"; case "\u2029": return "\\u2029"; case '"': ++dq; return '"'; case "'": ++sq; return "'"; case "\0": return "\\x00"; } return s; }); if (options.ascii_only) str = to_ascii(str); if (dq > sq) return "'" + str.replace(/\x27/g, "\\'") + "'"; else return '"' + str.replace(/\x22/g, '\\"') + '"'; }; function encode_string(str) { var ret = make_string(str); if (options.inline_script) ret = ret.replace(/<\x2fscript([>\/\t\n\f\r ])/gi, "<\\/script$1"); return ret; }; function make_name(name) { name = name.toString(); if (options.ascii_only) name = to_ascii(name, true); return name; }; function make_indent(back) { return repeat_string(" ", options.indent_start + indentation - back * options.indent_level); }; /* -----[ beautification/minification ]----- */ var might_need_space = false; var might_need_semicolon = false; var last = null; function last_char() { return last.charAt(last.length - 1); }; function maybe_newline() { if (options.max_line_len && current_col > options.max_line_len) print("\n"); }; var requireSemicolonChars = makePredicate("( [ + * / - , ."); function print(str) { str = String(str); var ch = str.charAt(0); if (might_need_semicolon) { if ((!ch || ";}".indexOf(ch) < 0) && !/[;]$/.test(last)) { if (options.semicolons || requireSemicolonChars(ch)) { OUTPUT += ";"; current_col++; current_pos++; } else { OUTPUT += "\n"; current_pos++; current_line++; current_col = 0; } if (!options.beautify) might_need_space = false; } might_need_semicolon = false; maybe_newline(); } if (!options.beautify && options.preserve_line && stack[stack.length - 1]) { var target_line = stack[stack.length - 1].start.line; while (current_line < target_line) { OUTPUT += "\n"; current_pos++; current_line++; current_col = 0; might_need_space = false; } } if (might_need_space) { var prev = last_char(); if ((is_identifier_char(prev) && (is_identifier_char(ch) || ch == "\\")) || (/^[\+\-\/]$/.test(ch) && ch == prev)) { OUTPUT += " "; current_col++; current_pos++; } might_need_space = false; } var a = str.split(/\r?\n/), n = a.length - 1; current_line += n; if (n == 0) { current_col += a[n].length; } else { current_col = a[n].length; } current_pos += str.length; last = str; OUTPUT += str; }; var space = options.beautify ? function() { print(" "); } : function() { might_need_space = true; }; var indent = options.beautify ? function(half) { if (options.beautify) { print(make_indent(half ? 0.5 : 0)); } } : noop; var with_indent = options.beautify ? function(col, cont) { if (col === true) col = next_indent(); var save_indentation = indentation; indentation = col; var ret = cont(); indentation = save_indentation; return ret; } : function(col, cont) { return cont() }; var newline = options.beautify ? function() { print("\n"); } : noop; var semicolon = options.beautify ? function() { print(";"); } : function() { might_need_semicolon = true; }; function force_semicolon() { might_need_semicolon = false; print(";"); }; function next_indent() { return indentation + options.indent_level; }; function with_block(cont) { var ret; print("{"); newline(); with_indent(next_indent(), function(){ ret = cont(); }); indent(); print("}"); return ret; }; function with_parens(cont) { print("("); //XXX: still nice to have that for argument lists //var ret = with_indent(current_col, cont); var ret = cont(); print(")"); return ret; }; function with_square(cont) { print("["); //var ret = with_indent(current_col, cont); var ret = cont(); print("]"); return ret; }; function comma() { print(","); space(); }; function colon() { print(":"); if (options.space_colon) space(); }; var add_mapping = options.source_map ? function(token, name) { try { if (token) options.source_map.add( token.file || "?", current_line, current_col, token.line, token.col, (!name && token.type == "name") ? token.value : name ); } catch(ex) { AST_Node.warn("Couldn't figure out mapping for {file}:{line},{col} → {cline},{ccol} [{name}]", { file: token.file, line: token.line, col: token.col, cline: current_line, ccol: current_col, name: name || "" }) } } : noop; function get() { return OUTPUT; }; if (options.preamble) { print(options.preamble.replace(/\r\n?|[\n\u2028\u2029]|\s*$/g, "\n")); } var stack = []; return { get : get, toString : get, indent : indent, indentation : function() { return indentation }, current_width : function() { return current_col - indentation }, should_break : function() { return options.width && this.current_width() >= options.width }, newline : newline, print : print, space : space, comma : comma, colon : colon, last : function() { return last }, semicolon : semicolon, force_semicolon : force_semicolon, to_ascii : to_ascii, print_name : function(name) { print(make_name(name)) }, print_string : function(str) { print(encode_string(str)) }, next_indent : next_indent, with_indent : with_indent, with_block : with_block, with_parens : with_parens, with_square : with_square, add_mapping : add_mapping, option : function(opt) { return options[opt] }, line : function() { return current_line }, col : function() { return current_col }, pos : function() { return current_pos }, push_node : function(node) { stack.push(node) }, pop_node : function() { return stack.pop() }, stack : function() { return stack }, parent : function(n) { return stack[stack.length - 2 - (n || 0)]; } }; }; /* -----[ code generators ]----- */ (function(){ /* -----[ utils ]----- */ function DEFPRINT(nodetype, generator) { nodetype.DEFMETHOD("_codegen", generator); }; AST_Node.DEFMETHOD("print", function(stream, force_parens){ var self = this, generator = self._codegen; function doit() { self.add_comments(stream); self.add_source_map(stream); generator(self, stream); } stream.push_node(self); if (force_parens || self.needs_parens(stream)) { stream.with_parens(doit); } else { doit(); } stream.pop_node(); }); AST_Node.DEFMETHOD("print_to_string", function(options){ var s = OutputStream(options); this.print(s); return s.get(); }); /* -----[ comments ]----- */ AST_Node.DEFMETHOD("add_comments", function(output){ var c = output.option("comments"), self = this; if (c) { var start = self.start; if (start && !start._comments_dumped) { start._comments_dumped = true; var comments = start.comments_before || []; // XXX: ugly fix for https://github.com/mishoo/UglifyJS2/issues/112 // if this node is `return` or `throw`, we cannot allow comments before // the returned or thrown value. if (self instanceof AST_Exit && self.value && self.value.start.comments_before && self.value.start.comments_before.length > 0) { comments = comments.concat(self.value.start.comments_before); self.value.start.comments_before = []; } if (c.test) { comments = comments.filter(function(comment){ return c.test(comment.value); }); } else if (typeof c == "function") { comments = comments.filter(function(comment){ return c(self, comment); }); } comments.forEach(function(c){ if (/comment[134]/.test(c.type)) { output.print("//" + c.value + "\n"); output.indent(); } else if (c.type == "comment2") { output.print("/*" + c.value + "*/"); if (start.nlb) { output.print("\n"); output.indent(); } else { output.space(); } } }); } } }); /* -----[ PARENTHESES ]----- */ function PARENS(nodetype, func) { nodetype.DEFMETHOD("needs_parens", func); }; PARENS(AST_Node, function(){ return false; }); // a function expression needs parens around it when it's provably // the first token to appear in a statement. PARENS(AST_Function, function(output){ return first_in_statement(output); }); // same goes for an object literal, because otherwise it would be // interpreted as a block of code. PARENS(AST_Object, function(output){ return first_in_statement(output); }); PARENS(AST_Unary, function(output){ var p = output.parent(); return p instanceof AST_PropAccess && p.expression === this; }); PARENS(AST_Seq, function(output){ var p = output.parent(); return p instanceof AST_Call // (foo, bar)() or foo(1, (2, 3), 4) || p instanceof AST_Unary // !(foo, bar, baz) || p instanceof AST_Binary // 1 + (2, 3) + 4 ==> 8 || p instanceof AST_VarDef // var a = (1, 2), b = a + a; ==> b == 4 || p instanceof AST_Dot // (1, {foo:2}).foo ==> 2 || p instanceof AST_Array // [ 1, (2, 3), 4 ] ==> [ 1, 3, 4 ] || p instanceof AST_ObjectProperty // { foo: (1, 2) }.foo ==> 2 || p instanceof AST_Conditional /* (false, true) ? (a = 10, b = 20) : (c = 30) * ==> 20 (side effect, set a := 10 and b := 20) */ ; }); PARENS(AST_Binary, function(output){ var p = output.parent(); // (foo && bar)() if (p instanceof AST_Call && p.expression === this) return true; // typeof (foo && bar) if (p instanceof AST_Unary) return true; // (foo && bar)["prop"], (foo && bar).prop if (p instanceof AST_PropAccess && p.expression === this) return true; // this deals with precedence: 3 * (2 + 1) if (p instanceof AST_Binary) { var po = p.operator, pp = PRECEDENCE[po]; var so = this.operator, sp = PRECEDENCE[so]; if (pp > sp || (pp == sp && this === p.right)) { return true; } } }); PARENS(AST_PropAccess, function(output){ var p = output.parent(); if (p instanceof AST_New && p.expression === this) { // i.e. new (foo.bar().baz) // // if there's one call into this subtree, then we need // parens around it too, otherwise the call will be // interpreted as passing the arguments to the upper New // expression. try { this.walk(new TreeWalker(function(node){ if (node instanceof AST_Call) throw p; })); } catch(ex) { if (ex !== p) throw ex; return true; } } }); PARENS(AST_Call, function(output){ var p = output.parent(), p1; if (p instanceof AST_New && p.expression === this) return true; // workaround for Safari bug. // https://bugs.webkit.org/show_bug.cgi?id=123506 return this.expression instanceof AST_Function && p instanceof AST_PropAccess && p.expression === this && (p1 = output.parent(1)) instanceof AST_Assign && p1.left === p; }); PARENS(AST_New, function(output){ var p = output.parent(); if (no_constructor_parens(this, output) && (p instanceof AST_PropAccess // (new Date).getTime(), (new Date)["getTime"]() || p instanceof AST_Call && p.expression === this)) // (new foo)(bar) return true; }); PARENS(AST_Number, function(output){ var p = output.parent(); if (this.getValue() < 0 && p instanceof AST_PropAccess && p.expression === this) return true; }); PARENS(AST_NaN, function(output){ var p = output.parent(); if (p instanceof AST_PropAccess && p.expression === this) return true; }); function assign_and_conditional_paren_rules(output) { var p = output.parent(); // !(a = false) → true if (p instanceof AST_Unary) return true; // 1 + (a = 2) + 3 → 6, side effect setting a = 2 if (p instanceof AST_Binary && !(p instanceof AST_Assign)) return true; // (a = func)() —or— new (a = Object)() if (p instanceof AST_Call && p.expression === this) return true; // (a = foo) ? bar : baz if (p instanceof AST_Conditional && p.condition === this) return true; // (a = foo)["prop"] —or— (a = foo).prop if (p instanceof AST_PropAccess && p.expression === this) return true; }; PARENS(AST_Assign, assign_and_conditional_paren_rules); PARENS(AST_Conditional, assign_and_conditional_paren_rules); /* -----[ PRINTERS ]----- */ DEFPRINT(AST_Directive, function(self, output){ output.print_string(self.value); output.semicolon(); }); DEFPRINT(AST_Debugger, function(self, output){ output.print("debugger"); output.semicolon(); }); /* -----[ statements ]----- */ function display_body(body, is_toplevel, output) { var last = body.length - 1; body.forEach(function(stmt, i){ if (!(stmt instanceof AST_EmptyStatement)) { output.indent(); stmt.print(output); if (!(i == last && is_toplevel)) { output.newline(); if (is_toplevel) output.newline(); } } }); }; AST_StatementWithBody.DEFMETHOD("_do_print_body", function(output){ force_statement(this.body, output); }); DEFPRINT(AST_Statement, function(self, output){ self.body.print(output); output.semicolon(); }); DEFPRINT(AST_Toplevel, function(self, output){ display_body(self.body, true, output); output.print(""); }); DEFPRINT(AST_LabeledStatement, function(self, output){ self.label.print(output); output.colon(); self.body.print(output); }); DEFPRINT(AST_SimpleStatement, function(self, output){ self.body.print(output); output.semicolon(); }); function print_bracketed(body, output) { if (body.length > 0) output.with_block(function(){ display_body(body, false, output); }); else output.print("{}"); }; DEFPRINT(AST_BlockStatement, function(self, output){ print_bracketed(self.body, output); }); DEFPRINT(AST_EmptyStatement, function(self, output){ output.semicolon(); }); DEFPRINT(AST_Do, function(self, output){ output.print("do"); output.space(); self._do_print_body(output); output.space(); output.print("while"); output.space(); output.with_parens(function(){ self.condition.print(output); }); output.semicolon(); }); DEFPRINT(AST_While, function(self, output){ output.print("while"); output.space(); output.with_parens(function(){ self.condition.print(output); }); output.space(); self._do_print_body(output); }); DEFPRINT(AST_For, function(self, output){ output.print("for"); output.space(); output.with_parens(function(){ if (self.init) { if (self.init instanceof AST_Definitions) { self.init.print(output); } else { parenthesize_for_noin(self.init, output, true); } output.print(";"); output.space(); } else { output.print(";"); } if (self.condition) { self.condition.print(output); output.print(";"); output.space(); } else { output.print(";"); } if (self.step) { self.step.print(output); } }); output.space(); self._do_print_body(output); }); DEFPRINT(AST_ForIn, function(self, output){ output.print("for"); output.space(); output.with_parens(function(){ self.init.print(output); output.space(); output.print("in"); output.space(); self.object.print(output); }); output.space(); self._do_print_body(output); }); DEFPRINT(AST_With, function(self, output){ output.print("with"); output.space(); output.with_parens(function(){ self.expression.print(output); }); output.space(); self._do_print_body(output); }); /* -----[ functions ]----- */ AST_Lambda.DEFMETHOD("_do_print", function(output, nokeyword){ var self = this; if (!nokeyword) { output.print("function"); } if (self.name) { output.space(); self.name.print(output); } output.with_parens(function(){ self.argnames.forEach(function(arg, i){ if (i) output.comma(); arg.print(output); }); }); output.space(); print_bracketed(self.body, output); }); DEFPRINT(AST_Lambda, function(self, output){ self._do_print(output); }); /* -----[ exits ]----- */ AST_Exit.DEFMETHOD("_do_print", function(output, kind){ output.print(kind); if (this.value) { output.space(); this.value.print(output); } output.semicolon(); }); DEFPRINT(AST_Return, function(self, output){ self._do_print(output, "return"); }); DEFPRINT(AST_Throw, function(self, output){ self._do_print(output, "throw"); }); /* -----[ loop control ]----- */ AST_LoopControl.DEFMETHOD("_do_print", function(output, kind){ output.print(kind); if (this.label) { output.space(); this.label.print(output); } output.semicolon(); }); DEFPRINT(AST_Break, function(self, output){ self._do_print(output, "break"); }); DEFPRINT(AST_Continue, function(self, output){ self._do_print(output, "continue"); }); /* -----[ if ]----- */ function make_then(self, output) { if (output.option("bracketize")) { make_block(self.body, output); return; } // The squeezer replaces "block"-s that contain only a single // statement with the statement itself; technically, the AST // is correct, but this can create problems when we output an // IF having an ELSE clause where the THEN clause ends in an // IF *without* an ELSE block (then the outer ELSE would refer // to the inner IF). This function checks for this case and // adds the block brackets if needed. if (!self.body) return output.force_semicolon(); if (self.body instanceof AST_Do && !output.option("screw_ie8")) { // https://github.com/mishoo/UglifyJS/issues/#issue/57 IE // croaks with "syntax error" on code like this: if (foo) // do ... while(cond); else ... we need block brackets // around do/while make_block(self.body, output); return; } var b = self.body; while (true) { if (b instanceof AST_If) { if (!b.alternative) { make_block(self.body, output); return; } b = b.alternative; } else if (b instanceof AST_StatementWithBody) { b = b.body; } else break; } force_statement(self.body, output); }; DEFPRINT(AST_If, function(self, output){ output.print("if"); output.space(); output.with_parens(function(){ self.condition.print(output); }); output.space(); if (self.alternative) { make_then(self, output); output.space(); output.print("else"); output.space(); force_statement(self.alternative, output); } else { self._do_print_body(output); } }); /* -----[ switch ]----- */ DEFPRINT(AST_Switch, function(self, output){ output.print("switch"); output.space(); output.with_parens(function(){ self.expression.print(output); }); output.space(); if (self.body.length > 0) output.with_block(function(){ self.body.forEach(function(stmt, i){ if (i) output.newline(); output.indent(true); stmt.print(output); }); }); else output.print("{}"); }); AST_SwitchBranch.DEFMETHOD("_do_print_body", function(output){ if (this.body.length > 0) { output.newline(); this.body.forEach(function(stmt){ output.indent(); stmt.print(output); output.newline(); }); } }); DEFPRINT(AST_Default, function(self, output){ output.print("default:"); self._do_print_body(output); }); DEFPRINT(AST_Case, function(self, output){ output.print("case"); output.space(); self.expression.print(output); output.print(":"); self._do_print_body(output); }); /* -----[ exceptions ]----- */ DEFPRINT(AST_Try, function(self, output){ output.print("try"); output.space(); print_bracketed(self.body, output); if (self.bcatch) { output.space(); self.bcatch.print(output); } if (self.bfinally) { output.space(); self.bfinally.print(output); } }); DEFPRINT(AST_Catch, function(self, output){ output.print("catch"); output.space(); output.with_parens(function(){ self.argname.print(output); }); output.space(); print_bracketed(self.body, output); }); DEFPRINT(AST_Finally, function(self, output){ output.print("finally"); output.space(); print_bracketed(self.body, output); }); /* -----[ var/const ]----- */ AST_Definitions.DEFMETHOD("_do_print", function(output, kind){ output.print(kind); output.space(); this.definitions.forEach(function(def, i){ if (i) output.comma(); def.print(output); }); var p = output.parent(); var in_for = p instanceof AST_For || p instanceof AST_ForIn; var avoid_semicolon = in_for && p.init === this; if (!avoid_semicolon) output.semicolon(); }); DEFPRINT(AST_Var, function(self, output){ self._do_print(output, "var"); }); DEFPRINT(AST_Const, function(self, output){ self._do_print(output, "const"); }); function parenthesize_for_noin(node, output, noin) { if (!noin) node.print(output); else try { // need to take some precautions here: // https://github.com/mishoo/UglifyJS2/issues/60 node.walk(new TreeWalker(function(node){ if (node instanceof AST_Binary && node.operator == "in") throw output; })); node.print(output); } catch(ex) { if (ex !== output) throw ex; node.print(output, true); } }; DEFPRINT(AST_VarDef, function(self, output){ self.name.print(output); if (self.value) { output.space(); output.print("="); output.space(); var p = output.parent(1); var noin = p instanceof AST_For || p instanceof AST_ForIn; parenthesize_for_noin(self.value, output, noin); } }); /* -----[ other expressions ]----- */ DEFPRINT(AST_Call, function(self, output){ self.expression.print(output); if (self instanceof AST_New && no_constructor_parens(self, output)) return; output.with_parens(function(){ self.args.forEach(function(expr, i){ if (i) output.comma(); expr.print(output); }); }); }); DEFPRINT(AST_New, function(self, output){ output.print("new"); output.space(); AST_Call.prototype._codegen(self, output); }); AST_Seq.DEFMETHOD("_do_print", function(output){ this.car.print(output); if (this.cdr) { output.comma(); if (output.should_break()) { output.newline(); output.indent(); } this.cdr.print(output); } }); DEFPRINT(AST_Seq, function(self, output){ self._do_print(output); // var p = output.parent(); // if (p instanceof AST_Statement) { // output.with_indent(output.next_indent(), function(){ // self._do_print(output); // }); // } else { // self._do_print(output); // } }); DEFPRINT(AST_Dot, function(self, output){ var expr = self.expression; expr.print(output); if (expr instanceof AST_Number && expr.getValue() >= 0) { if (!/[xa-f.]/i.test(output.last())) { output.print("."); } } output.print("."); // the name after dot would be mapped about here. output.add_mapping(self.end); output.print_name(self.property); }); DEFPRINT(AST_Sub, function(self, output){ self.expression.print(output); output.print("["); self.property.print(output); output.print("]"); }); DEFPRINT(AST_UnaryPrefix, function(self, output){ var op = self.operator; output.print(op); if (/^[a-z]/i.test(op)) output.space(); self.expression.print(output); }); DEFPRINT(AST_UnaryPostfix, function(self, output){ self.expression.print(output); output.print(self.operator); }); DEFPRINT(AST_Binary, function(self, output){ self.left.print(output); output.space(); output.print(self.operator); if (self.operator == "<" && self.right instanceof AST_UnaryPrefix && self.right.operator == "!" && self.right.expression instanceof AST_UnaryPrefix && self.right.expression.operator == "--") { // space is mandatory to avoid outputting