Remove frogsh.

dart/frog/samples/ifrog.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.
-
-
-#import('../lib/node/node.dart');
-#import('../file_system_node.dart');
-#import('../js_evaluator_node.dart');
-#import('../lang.dart');
-#import('../evaluator.dart');
-
-String _getPrompt(Token incompleteToken) {
-  if (incompleteToken == null) return ">>> ";
-  switch (incompleteToken.kind) {
-    case TokenKind.INCOMPLETE_MULTILINE_STRING_DQ: return '""" ';
-    case TokenKind.INCOMPLETE_MULTILINE_STRING_SQ: return "''' ";
-    default: return "... ";
-  }
-}
-
-void main() {
-  var homedir = path.dirname(fs.realpathSync(process.argv[1]));
-  Evaluator.initWorld(homedir, [], new NodeFileSystem());
-
-  var eval = new Evaluator(new NodeJsEvaluator());
-  var rl = Readline.createInterface(process.stdin, process.stdout);
-  var incompleteToken = null;
-  var priorCommand = null;
-
-  rl.setPrompt(">>> ");
-  rl.on("line", (command) {
-    if (priorCommand != null) command = priorCommand + "\n" + command;
-    try {
-      var result = eval.eval(command);
-      if (result !== null) print(result);
-      incompleteToken = null;
-      priorCommand = null;
-    } catch (CompilerException e) {
-      // Do nothing, since a message was already printed
-      incompleteToken = null;
-      priorCommand = null;
-    } catch (IncompleteSourceException e) {
-      incompleteToken = e.token;
-      priorCommand = command;
-    } catch (var e, stack) {
-      incompleteToken = null;
-      priorCommand = null;
-      if (stack != null) {
-        print(stack);
-      } else {
-        print(e);
-      }
-    }
-
-    rl.setPrompt(_getPrompt(incompleteToken));
-    rl.prompt();
-  });
-  rl.on("close", () { process.exit(0); });
-  rl.prompt();
-}