Make dartdoc and apidoc run on the VM instead of node.

utils/dartdoc/dartdoc.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * To use it, from this directory, run:
  *
  *     $ ./dartdoc <path to .dart file>
  *
  * This will create a "docs" directory with the docs for your libraries. To
  * create these beautiful docs, dartdoc parses your library and every library
  * it imports (recursively). From each library, it parses all classes and
  * members, finds the associated doc comments and builds crosslinked docs from
  * them.
  */
 #library('dartdoc');
 
+#import('dart:io');
 #import('dart:json');
 #import('../../frog/lang.dart');
 #import('../../frog/file_system.dart');
-#import('../../frog/file_system_node.dart');
-#import('../../frog/lib/node/node.dart');
+#import('../../frog/file_system_vm.dart');
 #import('classify.dart');
 #import('markdown.dart', prefix: 'md');
 
 #source('comment_map.dart');
 #source('utils.dart');
 
 /** Path to generate HTML files into. */
 final _outdir = 'docs';
 
 /**
@@ skipping 14 matching lines @@
  * In this mode, the browser will do a XHR for nav.json which means that to
  * preview docs locally, you will need to enable requesting file:// links in
  * your browser or run a little local server like `python -m SimpleHTTPServer`.
  */
 final MODE_LIVE_NAV = 1;
 
 /**
  * Run this from the `utils/dartdoc` directory.
  */
 void main() {
+  final args = new Options().arguments;
+
   // The entrypoint of the library to generate docs for.
-  final entrypoint = process.argv[process.argv.length - 1];
+  final entrypoint = args[args.length - 1];
 
   // Parse the dartdoc options.
   bool includeSource = true;
   var mode = MODE_LIVE_NAV;
 
-  for (int i = 2; i < process.argv.length - 1; i++) {
-    final arg = process.argv[i];
+  for (int i = 2; i < args.length - 1; i++) {
+    final arg = args[i];
     switch (arg) {
       case '--no-code':
         includeSource = false;
         break;
 
       case '--mode=static':
         mode = MODE_STATIC;
         break;
 
       case '--mode=live-nav':
         mode = MODE_LIVE_NAV;
         break;
 
       default:
         print('Unknown option: $arg');
     }
   }
 
-  final files = new NodeFileSystem();
-  parseOptions('../../frog', [] /* args */, files);
+  final files = new VMFileSystem();
+  parseOptions('../../frog', ['', '', '--libdir=../../frog/lib'], files);
   initializeWorld(files);
 
   var dartdoc;
   final elapsed = time(() {
     dartdoc = new Dartdoc();
     dartdoc.includeSource = includeSource;
     dartdoc.mode = mode;
 
     dartdoc.document(entrypoint);
   });
@@ skipping 134 matching lines @@
       options.dietParse = oldDietParse;
     }
   }
 
   void startFile(String path) {
     _filePath = path;
     _file = new StringBuffer();
   }
 
   void endFile() {
-    String outPath = '$_outdir/$_filePath';
-    world.files.createDirectory(dirname(outPath), recursive: true);
+    final outPath = '$_outdir/$_filePath';
+    final dir = new Directory(dirname(outPath));
+    if (!dir.existsSync()) {
+      dir.createSync();
+    }
 
     world.files.writeString(outPath, _file.toString());
     _filePath = null;
     _file = null;
   }
 
   void write(String s) {
     _file.add(s);
   }
 
@@ skipping 831 matching lines @@
     return type.name;
   }
 
   /**
    * Remove leading indentation to line up with first line.
    */
   unindentCode(SourceSpan span) {
     final column = getSpanColumn(span);
     final lines = span.text.split('\n');
     // TODO(rnystrom): Dirty hack.
-    for (final i = 1; i < lines.length; i++) {
+    for (var i = 1; i < lines.length; i++) {
       lines[i] = unindent(lines[i], column);
     }
 
     final code = Strings.join(lines, '\n');
     return code;
   }
 
   /**
    * Takes a string of Dart code and turns it into sanitized HTML.
    */
@@ skipping 97 matching lines @@
 
     return new md.Element.text('code', name);
   }
 
   // TODO(rnystrom): Move into SourceSpan?
   int getSpanColumn(SourceSpan span) {
     final line = span.file.getLine(span.start);
     return span.file.getColumn(line, span.start);
   }
 }