Removed obsolete code

utils/template/world.dart

-// Copyright (c) 2012, 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.
-
-/** The one true [World]. */
-World world;
-
-typedef void MessageHandler(String prefix, String message, SourceSpan span);
-typedef void PrintHandler(String message);
-
-/**
- * Should be called exactly once to setup singleton world.
- * Can use world.reset() to reinitialize.
- */
-void initializeWorld(var files) {
-  assert(world == null);
-  world = new World(files);
-  world.init();
-}
-
-/** Can be thrown on any compiler error and includes source location. */
-class CompilerException implements Exception {
-  final String _message;
-  final SourceSpan _location;
-
-  CompilerException(this._message, this._location);
-
-  String toString() {
-    if (_location != null) {
-      return 'CompilerException: ${_location.toMessageString(_message)}';
-    } else {
-      return 'CompilerException: $_message';
-    }
-  }
-}
-
-/** Represents a Dart template "world". */
-class World {
-  String template;
-
-  var files;
-
-  int errors = 0, warnings = 0;
-  bool seenFatal = false;
-  MessageHandler messageHandler;
-  PrintHandler printHandler;
-
-  World(this.files);
-
-  void reset() {
-    errors = warnings = 0;
-    seenFatal = false;
-    init();
-  }
-
-  init() {
-  }
-
-
-  // ********************** Message support ***********************
-
-  void _message(String color, String prefix, String message,
-      SourceSpan span, SourceSpan span1, SourceSpan span2, bool throwing) {
-    if (messageHandler != null) {
-      // TODO(jimhug): Multiple spans cleaner...
-      messageHandler(prefix, message, span);
-      if (span1 != null) {
-        messageHandler(prefix, message, span1);
-      }
-      if (span2 != null) {
-        messageHandler(prefix, message, span2);
-      }
-    } else {
-      final messageWithPrefix = options.useColors
-          ? "$color$prefix$_NO_COLOR$message" : "$prefix$message";
-
-      var text = messageWithPrefix;
-      if (span != null) {
-        text = span.toMessageString(messageWithPrefix);
-      }
-
-      String span1Text = span1 != null ?
-          span1.toMessageString(messageWithPrefix) : "";
-      String span2Text = span2 != null ?
-          span2.toMessageString(messageWithPrefix) : "";
-
-      if (printHandler == null) {
-        print(text);
-        if (span1 != null) {
-          print(span1Text);
-        }
-        if (span2 != null) {
-          print(span2Text);
-        }
-      } else {
-        printHandler("${text}\r${span1Text}\r${span2Text}");
-      }
-    }
-
-    if (throwing) {
-      throw new CompilerException("$prefix$message", span);
-    }
-  }
-
-  /** [message] is considered a static compile-time error by the Dart lang. */
-  void error(String message,
-      [SourceSpan span, SourceSpan span1, SourceSpan span2]) {
-    errors++;
-    _message(_RED_COLOR, 'error: ', message,
-        span, span1, span2, options.throwOnErrors);
-  }
-
-  /** [message] is considered a type warning by the Dart lang. */
-  void warning(String message,
-      [SourceSpan span, SourceSpan span1, SourceSpan span2]) {
-    if (options.warningsAsErrors) {
-      error(message, span, span1, span2);
-      return;
-    }
-    warnings++;
-    if (options.showWarnings) {
-      _message(_MAGENTA_COLOR, 'warning: ', message,
-          span, span1, span2, options.throwOnWarnings);
-    }
-  }
-
-  /** [message] at [location] is so bad we can't generate runnable code. */
-  void fatal(String message,
-      {SourceSpan span, SourceSpan span1, SourceSpan span2}) {
-    errors++;
-    seenFatal = true;
-    _message(_RED_COLOR, 'fatal: ', message,
-        span, span1, span2, options.throwOnFatal || options.throwOnErrors);
-  }
-
-  /** [message] at [location] is about a bug in the compiler. */
-  void internalError(String message,
-      {SourceSpan span, SourceSpan span1, SourceSpan span2}) {
-    _message(_NO_COLOR,
-        'We are sorry, but...', message, span, span1, span2, true);
-  }
-
-  /**
-   * [message] at [location] will tell the user about what the compiler
-   * is doing.
-   */
-  void info(String message,
-      [SourceSpan span, SourceSpan span1, SourceSpan span2]) {
-    if (options.showInfo) {
-      _message(_GREEN_COLOR, 'info: ', message, span, span1, span2, false);
-    }
-  }
-
-  bool get hasErrors => errors > 0;
-
-  withTiming(String name, f()) {
-    final sw = new Stopwatch();
-    sw.start();
-    var result = f();
-    sw.stop();
-    info('$name in ${sw.elapsedMilliseconds}msec');
-    return result;
-  }
-}
-
-String _GREEN_COLOR = '\u001b[32m';
-String _RED_COLOR = '\u001b[31m';
-String _MAGENTA_COLOR = '\u001b[35m';
-String _NO_COLOR = '\u001b[0m';