mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
305 lines
10 KiB
CoffeeScript
305 lines
10 KiB
CoffeeScript
fs = require 'fs'
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path = require 'path'
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_ = require 'underscore'
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CoffeeScript = require './lib/coffee-script'
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{spawn, exec} = require 'child_process'
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helpers = require './lib/coffee-script/helpers'
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# ANSI Terminal Colors.
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bold = red = green = reset = ''
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unless process.env.NODE_DISABLE_COLORS
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bold = '\x1B[0;1m'
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red = '\x1B[0;31m'
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green = '\x1B[0;32m'
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reset = '\x1B[0m'
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# Built file header.
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header = """
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/**
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* CoffeeScript Compiler v#{CoffeeScript.VERSION}
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* http://coffeescript.org
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*
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* Copyright 2011, Jeremy Ashkenas
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* Released under the MIT License
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*/
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"""
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# Build the CoffeeScript language from source.
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build = (cb) ->
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files = fs.readdirSync 'src'
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files = ('src/' + file for file in files when file.match(/\.(lit)?coffee$/))
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run ['-c', '-o', 'lib/coffee-script'].concat(files), cb
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# Run a CoffeeScript through our node/coffee interpreter.
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run = (args, cb) ->
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proc = spawn 'node', ['bin/coffee'].concat(args)
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proc.stderr.on 'data', (buffer) -> console.log buffer.toString()
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proc.on 'exit', (status) ->
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process.exit(1) if status != 0
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cb() if typeof cb is 'function'
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# Log a message with a color.
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log = (message, color, explanation) ->
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console.log color + message + reset + ' ' + (explanation or '')
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codeFor = ->
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counter = 0
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hljs = require 'highlight.js'
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hljs.configure classPrefix: ''
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(file, executable = false, showLoad = true) ->
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counter++
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return unless fs.existsSync "documentation/js/#{file}.js"
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cs = fs.readFileSync "documentation/coffee/#{file}.coffee", 'utf-8'
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js = fs.readFileSync "documentation/js/#{file}.js", 'utf-8'
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js = js.replace /^\/\/ generated.*?\n/i, ''
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cshtml = "<pre><code>#{hljs.highlight('coffeescript', cs).value}</code></pre>"
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jshtml = "<pre><code>#{hljs.highlight('javascript', js).value}</code></pre>"
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append = if executable is yes then '' else "alert(#{executable});"
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if executable and executable != yes
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cs.replace /(\S)\s*\Z/m, "$1\n\nalert #{executable}"
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run = if executable is true then 'run' else "run: #{executable}"
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name = "example#{counter}"
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script = "<script>window.#{name} = #{JSON.stringify cs}</script>"
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load = if showLoad then "<div class='minibutton load' onclick='javascript: loadConsole(#{name});'>load</div>" else ''
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button = if executable then "<div class='minibutton ok' onclick='javascript: #{js};#{append}'>#{run}</div>" else ''
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"<div class='code'>#{cshtml}#{jshtml}#{script}#{load}#{button}<br class='clear' /></div>"
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monthNames = [
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'January'
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'February'
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'March'
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'April'
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'May'
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'June'
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'July'
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'August'
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'September'
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'October'
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'November'
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'December'
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]
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formatDate = (date) ->
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date.replace /^(\d\d\d\d)-(\d\d)-(\d\d)$/, (match, $1, $2, $3) ->
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"#{monthNames[$2 - 1]} #{+$3}, #{$1}"
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releaseHeader = (date, version, prevVersion) -> """
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<div class="anchor" id="#{version}"></div>
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<b class="header">
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#{prevVersion and "<a href=\"https://github.com/jashkenas/coffeescript/compare/#{prevVersion}...#{version}\">#{version}</a>" or version}
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<span class="timestamp"> — <time datetime="#{date}">#{formatDate date}</time></span>
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</b>
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"""
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option '-p', '--prefix [DIR]', 'set the installation prefix for `cake install`'
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task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options) ->
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base = options.prefix or '/usr/local'
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lib = "#{base}/lib/coffee-script"
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bin = "#{base}/bin"
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node = "~/.node_libraries/coffee-script"
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console.log "Installing CoffeeScript to #{lib}"
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console.log "Linking to #{node}"
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console.log "Linking 'coffee' to #{bin}/coffee"
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exec([
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"mkdir -p #{lib} #{bin}"
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"cp -rf bin lib LICENSE README.md package.json src #{lib}"
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"ln -sfn #{lib}/bin/coffee #{bin}/coffee"
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"ln -sfn #{lib}/bin/cake #{bin}/cake"
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"mkdir -p ~/.node_libraries"
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"ln -sfn #{lib}/lib/coffee-script #{node}"
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].join(' && '), (err, stdout, stderr) ->
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if err then console.log stderr.trim() else log 'done', green
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)
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task 'build', 'build the CoffeeScript language from source', build
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task 'build:full', 'rebuild the source twice, and run the tests', ->
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build ->
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build ->
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csPath = './lib/coffee-script'
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csDir = path.dirname require.resolve csPath
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for mod of require.cache when csDir is mod[0 ... csDir.length]
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delete require.cache[mod]
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unless runTests require csPath
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process.exit 1
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task 'build:parser', 'rebuild the Jison parser (run build first)', ->
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helpers.extend global, require('util')
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require 'jison'
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parser = require('./lib/coffee-script/grammar').parser
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fs.writeFile 'lib/coffee-script/parser.js', parser.generate()
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task 'build:browser', 'rebuild the merged script for inclusion in the browser', ->
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code = ''
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for name in ['helpers', 'rewriter', 'lexer', 'parser', 'scope', 'nodes', 'sourcemap', 'coffee-script', 'browser']
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code += """
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require['./#{name}'] = (function() {
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var exports = {}, module = {exports: exports};
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#{fs.readFileSync "lib/coffee-script/#{name}.js"}
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return module.exports;
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})();
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"""
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code = """
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(function(root) {
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var CoffeeScript = function() {
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function require(path){ return require[path]; }
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#{code}
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return require['./coffee-script'];
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}();
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if (typeof define === 'function' && define.amd) {
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define(function() { return CoffeeScript; });
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} else {
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root.CoffeeScript = CoffeeScript;
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}
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}(this));
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"""
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unless process.env.MINIFY is 'false'
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{code} = require('uglify-js').minify code, fromString: true
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fs.writeFileSync 'extras/coffee-script.js', header + '\n' + code
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console.log "built ... running browser tests:"
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invoke 'test:browser'
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task 'doc:site', 'watch and continually rebuild the documentation for the website', ->
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source = 'documentation/index.html.js'
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exec 'bin/coffee -bc -o documentation/js documentation/coffee/*.coffee'
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do renderIndex = ->
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codeSnippetCounter = 0
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rendered = _.template fs.readFileSync(source, 'utf-8'),
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codeFor: codeFor()
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releaseHeader: releaseHeader
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fs.writeFileSync 'index.html', rendered
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log "compiled", green, "#{source}"
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fs.watchFile source, interval: 200, renderIndex
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log "watching..." , green
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task 'doc:source', 'rebuild the internal documentation', ->
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exec 'node_modules/.bin/docco src/*.*coffee && cp -rf docs documentation && rm -r docs', (err) ->
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throw err if err
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task 'doc:underscore', 'rebuild the Underscore.coffee documentation page', ->
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exec 'node_modules/.bin/docco examples/underscore.coffee && cp -rf docs documentation && rm -r docs', (err) ->
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throw err if err
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task 'bench', 'quick benchmark of compilation time', ->
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{Rewriter} = require './lib/coffee-script/rewriter'
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sources = ['coffee-script', 'grammar', 'helpers', 'lexer', 'nodes', 'rewriter']
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coffee = sources.map((name) -> fs.readFileSync "src/#{name}.coffee").join '\n'
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litcoffee = fs.readFileSync("src/scope.litcoffee").toString()
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fmt = (ms) -> " #{bold}#{ " #{ms}".slice -4 }#{reset} ms"
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total = 0
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now = Date.now()
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time = -> total += ms = -(now - now = Date.now()); fmt ms
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tokens = CoffeeScript.tokens coffee, rewrite: no
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littokens = CoffeeScript.tokens litcoffee, rewrite: no, literate: yes
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tokens = tokens.concat(littokens)
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console.log "Lex #{time()} (#{tokens.length} tokens)"
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tokens = new Rewriter().rewrite tokens
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console.log "Rewrite#{time()} (#{tokens.length} tokens)"
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nodes = CoffeeScript.nodes tokens
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console.log "Parse #{time()}"
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js = nodes.compile bare: yes
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console.log "Compile#{time()} (#{js.length} chars)"
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console.log "total #{ fmt total }"
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# Run the CoffeeScript test suite.
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runTests = (CoffeeScript) ->
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CoffeeScript.register()
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startTime = Date.now()
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currentFile = null
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passedTests = 0
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failures = []
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global[name] = func for name, func of require 'assert'
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# Convenience aliases.
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global.CoffeeScript = CoffeeScript
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global.Repl = require './lib/coffee-script/repl'
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# Our test helper function for delimiting different test cases.
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global.test = (description, fn) ->
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try
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fn.test = {description, currentFile}
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fn.call(fn)
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++passedTests
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catch e
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failures.push
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filename: currentFile
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error: e
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description: description if description?
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source: fn.toString() if fn.toString?
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# See http://wiki.ecmascript.org/doku.php?id=harmony:egal
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egal = (a, b) ->
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if a is b
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a isnt 0 or 1/a is 1/b
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else
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a isnt a and b isnt b
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# A recursive functional equivalence helper; uses egal for testing equivalence.
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arrayEgal = (a, b) ->
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if egal a, b then yes
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else if a instanceof Array and b instanceof Array
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return no unless a.length is b.length
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return no for el, idx in a when not arrayEgal el, b[idx]
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yes
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global.eq = (a, b, msg) -> ok egal(a, b), msg ? "Expected #{a} to equal #{b}"
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global.arrayEq = (a, b, msg) -> ok arrayEgal(a,b), msg ? "Expected #{a} to deep equal #{b}"
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# When all the tests have run, collect and print errors.
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# If a stacktrace is available, output the compiled function source.
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process.on 'exit', ->
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time = ((Date.now() - startTime) / 1000).toFixed(2)
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message = "passed #{passedTests} tests in #{time} seconds#{reset}"
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return log(message, green) unless failures.length
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log "failed #{failures.length} and #{message}", red
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for fail in failures
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{error, filename, description, source} = fail
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console.log ''
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log " #{description}", red if description
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log " #{error.stack}", red
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console.log " #{source}" if source
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return
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# Run every test in the `test` folder, recording failures.
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files = fs.readdirSync 'test'
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# Ignore generators test file if generators are not available
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generatorsAreAvailable = '--harmony' in process.execArgv or
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'--harmony-generators' in process.execArgv
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files.splice files.indexOf('generators.coffee'), 1 if not generatorsAreAvailable
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for file in files when helpers.isCoffee file
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literate = helpers.isLiterate file
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currentFile = filename = path.join 'test', file
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code = fs.readFileSync filename
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try
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CoffeeScript.run code.toString(), {filename, literate}
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catch error
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failures.push {filename, error}
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return !failures.length
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task 'test', 'run the CoffeeScript language test suite', ->
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runTests CoffeeScript
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task 'test:browser', 'run the test suite against the merged browser script', ->
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source = fs.readFileSync 'extras/coffee-script.js', 'utf-8'
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result = {}
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global.testingBrowser = yes
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(-> eval source).call result
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runTests result.CoffeeScript
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