Fasta scripts.

pkg/fasta/bin/run.dart

Index: pkg/fasta/bin/run.dart
diff --git a/pkg/fasta/bin/run.dart b/pkg/fasta/bin/run.dart
new file mode 100644
index 0000000000000000000000000000000000000000..75112fbd1a70fb5ef0a1d4635a90a12242bd89eb
--- /dev/null
+++ b/pkg/fasta/bin/run.dart
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+// Copyright (c) 2016, 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 'dart:io' show
+    exit,
+    exitCode;
+
+import 'package:fasta/src/ast_kind.dart' show
+    AstKind;
+
+import 'package:fasta/src/compiler_command_line.dart' show
+    CompilerCommandLine;
+
+import 'package:fasta/src/outline.dart' show
+    doCompile,
+    parseArguments;
+
+import 'package:fasta/src/errors.dart' show
+    InputError;
+
+import 'package:fasta/src/run.dart' show
+    run;
+
+import 'package:fasta/src/ticker.dart' show
+    Ticker;
+
+const int iterations = const int.fromEnvironment("iterations", defaultValue: 1);
+
+main(List<String> arguments) async {
+  Uri uri;
+  CompilerCommandLine cl;
+  for (int i = 0; i < iterations; i++) {
+    if (i > 0) {
+      print("\n");
+    }
+    try {
+      cl = parseArguments("run", arguments);
+      uri =
+          await doCompile(cl, new Ticker(isVerbose:cl.verbose), AstKind.Kernel);
+    } on InputError catch (e) {
+      print(e.format());
+      exit(1);
+    }
+    if (exitCode != 0) exit(exitCode);
+  }
+  exit(await run(uri, cl));
+}