Initial commit.

Author: benjie

JSLint.coffee

@@ -0,0 +1,228 @@
+fs = require 'fs'
+vm = require 'vm'
+util = require 'util'
+parser = require("uglify-js").parser
+uglify = require("uglify-js").uglify
+ctx = vm.createContext()
+vm.runInContext fs.readFileSync(__dirname + "/jslint.js"), ctx
+JSLINT = ctx.JSLINT
+
+script = fs.readFileSync process.argv[2], 'utf8'
+
+details = null
+re = /\/\*\!(?:FLO|P)IM_PLUGIN([\s\S]+)\*\//
+script = script.replace re, (header) ->
+  matches = header.match re
+  if matches
+    try
+      details = JSON.parse matches[1]
+  return ""
+unless details?
+  process.exit 1
+console.log details
+
+globals = ['document','twttr']
+if details.access? and Array.isArray details.access
+  for a in details.access
+    if typeof a is 'string' and a.match /^[a-zA-Z]+$/
+      globals.push a
+
+walk = (ast) ->
+  if Array.isArray(ast) and ast.length > 0
+    type = ast[0]
+    if type is 'toplevel'
+      for ast2, i in ast[1]
+        ast[1][i] = walk ast2
+    else if type is 'var'
+      #skip
+    else if type is 'new'
+      #skip
+      ast[1] = walk ast[1]
+      for ast2,i in ast[2]
+        ast[2][i] = walk ast[2][i]
+      if ast[2].length is 0
+        ast[2].push ['name','null']
+    else if type is 'num'
+      #skip
+    else if type is 'regexp'
+      #skip
+    else if type is 'unary-prefix'
+      ast[2] = walk ast[2]
+    else if type is 'name'
+      if globals.indexOf(ast[1]) isnt -1
+        ast = [
+          'call'
+          [
+            'dot'
+            ['name','lib']
+            'global'
+          ]
+          [['string',ast[1]]]
+        ]
+      #skip
+    else if type is 'sub'
+      ast[1] = walk ast[1]
+      base = ast[1]
+      property = walk ast[2]
+      if property[0] isnt 'num'
+        ast = [
+          'call'
+          [
+            'dot',
+            ['name', 'ADSAFE'],
+            'get'
+          ]
+          [
+            base
+            property
+          ]
+        ]
+    else if type is 'return'
+      ast[1] = walk ast[1]
+    else if type is 'binary'
+      operation = ast[1]
+      ast[2] = walk ast[2]
+      ast[3] = walk ast[3]
+    else if type is 'call'
+      ast[1] = walk ast[1]
+      funcName = ast[1]
+      params = ast[2]
+      for ast2, i in ast[2]
+        ast[2][i] = walk ast2
+      if funcName[0] is 'name'
+        if funcName[1] is 'parseInt'
+          if params.length is 1
+            ast[2].push ['num', 10]
+        else if funcName[1] is 'setTimeout'
+          ast[1] = [
+            'dot'
+            ['name', 'ADSAFE']
+            'later'
+          ]
+    else if type is 'if'
+      condition = ast[1]
+      ast[1] = walk ast[1]
+      ast[2] = walk ast[2]
+      ast[3] = walk ast[3]
+    else if type is 'while'
+      #skip
+      ast[2] = walk ast[2]
+      if ast[1][0] is 'assign'
+        # Rewrite this as a for loop
+        if ast[2][0] isnt 'block'
+          ast[2] = [
+            'block'
+            [
+              ast[2]
+            ]
+          ]
+        ast[2][1].unshift [
+          'stat'
+          ast[1]
+        ]
+        ast[2][1].push [
+          'if'
+          [
+            'unary-prefix'
+            '!'
+            ast[1][2]
+          ]
+          [
+            'block'
+            [
+              [
+                'break'
+                null
+              ]
+            ]
+          ]
+          undefined
+        ]
+        ast = [
+          'for'
+          null
+          null
+          null
+          ast[2]
+        ]
+    else if type is 'block'
+      for ast2, i in ast[1]
+        ast[1][i] = walk ast2
+    else if type is 'function'
+      #skip ('function', name, arguments, ast)
+      for ast2, i in ast[3]
+        ast[3][i] = walk ast2
+    else if type is 'stat'
+      ast[1] = walk ast[1]
+    else if type is 'assign'
+      if ast[2][0] is 'dot'
+        # Base:
+        base = walk ast[2][1]
+        # property:
+        property = ast[2][2]
+        # value
+        value = walk ast[3]
+        ast = [
+          'call'
+          [
+            'dot',
+            ['name', 'ADSAFE'],
+            'set'
+          ]
+          [
+            base
+            ['string', property]
+            value
+          ]
+        ]
+      else
+        ast[2] = walk ast[2]
+        ast[3] = walk ast[3]
+    else if type is 'dot'
+      # Base:
+      base = walk ast[1]
+      # property:
+      property = ast[2]
+      ast = [
+        'call'
+        [
+          'dot',
+          ['name', 'ADSAFE'],
+          'get'
+        ]
+        [
+          base
+          ['string', property]
+        ]
+      ]
+    else if type is 'string'
+      ast[1] = ast[1].replace(/\<\//g,"<\\/")
+      console.log "STRING: #{ast[1]}"
+    else
+      console.error "Unknown type: '#{type}'"
+      console.log util.inspect ast, false, null, true
+      process.exit 1
+  return ast
+ast = parser.parse script
+console.log util.inspect ast, false, null, true
+walk ast, 0
+ast = uglify.ast_mangle ast, {
+  mangle: true
+  toplevel: true
+  defines: {'this':['name', "null"]}
+}
+#ast = uglify.ast_squeeze ast
+script = uglify.gen_code ast, beautify: true, indent_start:2, indent_level:2, quote_keys: true
+console.log script
+
+script = script.replace /(\n|^)\/\/.*(\n|$)/g, "$2"
+adsafeId = "APPAAAAFF_"
+script = "<div id=\"#{adsafeId}\"><script>ADSAFE.go(\"#{adsafeId}\", function (dom, lib) {\n\"use strict\";\n#{script}});</script></div>"
+ok = JSLINT script, {
+  adsafe: true, fragment: true, predef: globals, browser: true, safe: true, bitwise: true, continue: true, eqeq: true, es5: true, evil: false, forin: true, newcap: true, nomen: true, plusplus: true, regexp: true, undef: true, unparam: true, sloppy: true, stupid: true, sub: true, vars: true, white: true, css: true
+}, {
+  plugin: false
+}
+unless ok
+  result = JSLINT.data()
+  console.dir result

package.json

@@ -0,0 +1,14 @@
+{ "name": "pimscript",
+  "version": "0.1.0",
+  "description": "Converts JavaScript to be more likely to be compatible with ADsafe",
+  "keywords": ["Pim","javascript","ADsafe","FBJS"],
+  "homepage": "https://github.com/p-im/pim-script",
+  "bugs": {"url": "https://github.com/p-im/pim-script/issues"},
+  "author": "Benjie Gillam <benjie@jemjie.com> http://www.benjiegillam.com/",
+  "files": ["lib"],
+  "main": "JSLint.coffee",
+  "repository": {"type": "git", "url": "git://github.com/p-im/pim-script.git"},
+  "dependencies": {"uglify-js": ">=1.3.0"},
+  "devDependencies": {"coffee-script": ">=1.2.0"},
+  "publish":false
+}