Remove frog from the repository.

frog/reader.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.
-
-/**
- * An code reader that abstracts away the distinction between internal and user
- * libraries.
- */
-class LibraryReader {
-  Map _specialLibs;
-  LibraryReader() {
-    if (options.config == 'dev') {
-      _specialLibs = {
-        'dart:core': joinPaths(options.libDir, 'corelib.dart'),
-        'dart:coreimpl': joinPaths(options.libDir, 'corelib_impl.dart'),
-        'dart:html': joinPaths(options.libDir,
-            '../../lib/html/frog/html_frog.dart'),
-        'dart:dom_deprecated': joinPaths(options.libDir,
-            '../../lib/dom/frog/dom_frog.dart'),
-        'dart:crypto': joinPaths(options.libDir,
-            '../../lib/crypto/crypto.dart'),
-        'dart:json': joinPaths(options.libDir, '../../lib/json/json_frog.dart'),
-        'dart:io': joinPaths(options.libDir,
-            '../../lib/compiler/implementation/lib/io.dart'),
-        'dart:isolate': joinPaths(options.libDir,
-            '../../lib/isolate/isolate_frog.dart'),
-        'dart:uri': joinPaths(options.libDir, '../../lib/uri/uri.dart'),
-        'dart:utf': joinPaths(options.libDir, '../../lib/utf/utf.dart'),
-      };
-    } else if (options.config == 'sdk') {
-      _specialLibs = {
-        'dart:core': joinPaths(options.libDir, 'core/core_frog.dart'),
-        'dart:coreimpl': joinPaths(options.libDir,
-          'coreimpl/coreimpl_frog.dart'),
-        'dart:html': joinPaths(options.libDir, 'html/html_frog.dart'),
-        'dart:dom_deprecated': joinPaths(options.libDir, 'dom/dom_frog.dart'),
-        // TODO(rnystrom): How should we handle dart:io here?
-        'dart:isolate': joinPaths(options.libDir, 'isolate/isolate_frog.dart'),
-        'dart:crypto': joinPaths(options.libDir, 'crypto/crypto.dart'),
-        'dart:json': joinPaths(options.libDir, 'json/json_frog.dart'),
-        'dart:uri': joinPaths(options.libDir, 'uri/uri.dart'),
-        'dart:utf': joinPaths(options.libDir, 'utf/utf.dart'),
-      };
-    } else {
-      world.error('Invalid configuration ${options.config}');
-    }
-  }
-
-  SourceFile readFile(String fullName) {
-    String filename;
-
-
-    if (fullName.startsWith('package:')) {
-      String name = fullName.substring('package:'.length);
-      if (options.packageRoot !== null) {
-        filename = joinPaths(options.packageRoot, name);
-      } else {
-        filename = joinPaths(dirname(options.dartScript),
-            joinPaths('packages', name));
-      }
-    } else {
-      filename = _specialLibs[fullName];
-    }
-
-    if (filename == null) {
-      filename = fullName;
-    }
-
-    if (world.files.fileExists(filename)) {
-      // TODO(jimhug): Should we cache these based on time stamps here?
-      return new SourceFile(filename, world.files.readAll(filename));
-    } else {
-      world.error('File not found: $filename', null);
-      return new SourceFile(filename, '');
-    }
-  }
-}