DevTools: introduce new cm_headless module to fix formatter_worker deps.

third_party/WebKit/Source/devtools/front_end/cm/headlesscodemirror.js

-// Content of the function is equal to runmode-standalone.js file
-// from CodeMirror distribution
-(function(window) {
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-window.CodeMirror = {};
-
-(function() {
-"use strict";
-
-function splitLines(string){ return string.split(/\r?\n|\r/); };
-
-function StringStream(string) {
-  this.pos = this.start = 0;
-  this.string = string;
-  this.lineStart = 0;
-}
-StringStream.prototype = {
-  eol: function() {return this.pos >= this.string.length;},
-  sol: function() {return this.pos == 0;},
-  peek: function() {return this.string.charAt(this.pos) || null;},
-  next: function() {
-    if (this.pos < this.string.length)
-      return this.string.charAt(this.pos++);
-  },
-  eat: function(match) {
-    var ch = this.string.charAt(this.pos);
-    if (typeof match == "string") var ok = ch == match;
-    else var ok = ch && (match.test ? match.test(ch) : match(ch));
-    if (ok) {++this.pos; return ch;}
-  },
-  eatWhile: function(match) {
-    var start = this.pos;
-    while (this.eat(match)){}
-    return this.pos > start;
-  },
-  eatSpace: function() {
-    var start = this.pos;
-    while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
-    return this.pos > start;
-  },
-  skipToEnd: function() {this.pos = this.string.length;},
-  skipTo: function(ch) {
-    var found = this.string.indexOf(ch, this.pos);
-    if (found > -1) {this.pos = found; return true;}
-  },
-  backUp: function(n) {this.pos -= n;},
-  column: function() {return this.start - this.lineStart;},
-  indentation: function() {return 0;},
-  match: function(pattern, consume, caseInsensitive) {
-    if (typeof pattern == "string") {
-      var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
-      var substr = this.string.substr(this.pos, pattern.length);
-      if (cased(substr) == cased(pattern)) {
-        if (consume !== false) this.pos += pattern.length;
-        return true;
-      }
-    } else {
-      var match = this.string.slice(this.pos).match(pattern);
-      if (match && match.index > 0) return null;
-      if (match && consume !== false) this.pos += match[0].length;
-      return match;
-    }
-  },
-  current: function(){return this.string.slice(this.start, this.pos);},
-  hideFirstChars: function(n, inner) {
-    this.lineStart += n;
-    try { return inner(); }
-    finally { this.lineStart -= n; }
-  }
-};
-CodeMirror.StringStream = StringStream;
-
-CodeMirror.startState = function (mode, a1, a2) {
-  return mode.startState ? mode.startState(a1, a2) : true;
-};
-
-var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
-CodeMirror.defineMode = function (name, mode) {
-  if (arguments.length > 2)
-    mode.dependencies = Array.prototype.slice.call(arguments, 2);
-  modes[name] = mode;
-};
-CodeMirror.defineMIME = function (mime, spec) { mimeModes[mime] = spec; };
-CodeMirror.resolveMode = function(spec) {
-  if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
-    spec = mimeModes[spec];
-  } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
-    spec = mimeModes[spec.name];
-  }
-  if (typeof spec == "string") return {name: spec};
-  else return spec || {name: "null"};
-};
-CodeMirror.getMode = function (options, spec) {
-  spec = CodeMirror.resolveMode(spec);
-  var mfactory = modes[spec.name];
-  if (!mfactory) throw new Error("Unknown mode: " + spec);
-  return mfactory(options, spec);
-};
-CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min;
-CodeMirror.defineMode("null", function() {
-  return {token: function(stream) {stream.skipToEnd();}};
-});
-CodeMirror.defineMIME("text/plain", "null");
-
-CodeMirror.runMode = function (string, modespec, callback, options) {
-  var mode = CodeMirror.getMode({ indentUnit: 2 }, modespec);
-
-  if (callback.nodeType == 1) {
-    var tabSize = (options && options.tabSize) || 4;
-    var node = callback, col = 0;
-    node.innerHTML = "";
-    callback = function (text, style) {
-      if (text == "\n") {
-        node.appendChild(document.createElement("br"));
-        col = 0;
-        return;
-      }
-      var content = "";
-      // replace tabs
-      for (var pos = 0; ;) {
-        var idx = text.indexOf("\t", pos);
-        if (idx == -1) {
-          content += text.slice(pos);
-          col += text.length - pos;
-          break;
-        } else {
-          col += idx - pos;
-          content += text.slice(pos, idx);
-          var size = tabSize - col % tabSize;
-          col += size;
-          for (var i = 0; i < size; ++i) content += " ";
-          pos = idx + 1;
-        }
-      }
-
-      if (style) {
-        var sp = node.appendChild(document.createElement("span"));
-        sp.className = "cm-" + style.replace(/ +/g, " cm-");
-        sp.appendChild(document.createTextNode(content));
-      } else {
-        node.appendChild(document.createTextNode(content));
-      }
-    };
-  }
-
-  var lines = splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
-  for (var i = 0, e = lines.length; i < e; ++i) {
-    if (i) callback("\n");
-    var stream = new CodeMirror.StringStream(lines[i]);
-    if (!stream.string && mode.blankLine) mode.blankLine(state);
-    while (!stream.eol()) {
-      var style = mode.token(stream, state);
-      callback(stream.current(), style, i, stream.start, state);
-      stream.start = stream.pos;
-    }
-  }
-};
-})();
-}(this))