Revert "Renamed the 'dartc' launch script to 'dart_analyzer' and adds it to dart-sdk"

compiler/scripts/dartc_build_wrapper.py

Index: compiler/scripts/dartc_build_wrapper.py
diff --git a/compiler/scripts/dartc_build_wrapper.py b/compiler/scripts/dartc_build_wrapper.py
new file mode 100644
index 0000000000000000000000000000000000000000..e2be328ad006d1bf2aa72278362d833d09ced634
--- /dev/null
+++ b/compiler/scripts/dartc_build_wrapper.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+# 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.
+
+"""Wrapper around dartc for use from GYP."""
+
+import optparse
+import os
+from os import path
+import shutil
+import subprocess
+import sys
+
+
+def _BuildOptions():
+  op = optparse.OptionParser(usage='usage: %prog [options] FILE')
+  op.add_option('--out')
+  op.add_option('--dartc')
+  op.add_option('--dartc-option', action='append', dest='dartc_options',
+                default=[])
+  op.add_option('--incremental', action='store_false',
+                default=os.getenv('DARTC_INCREMENTAL', default=False))
+  return op
+
+
+def _ParseOptions(cmd_line):
+  op = _BuildOptions()
+  (options, args) = op.parse_args(args=cmd_line)
+  if not options.out:
+    op.error('Flag "--out" not provided')
+  if not options.dartc:
+    op.error('Flag "--dartc" not provided')
+  return (options, args)
+
+
+def main():
+  (options, args) = _ParseOptions(sys.argv[1:])
+  if path.exists(options.out):
+    is_out_of_date = path.getmtime(options.dartc) > path.getmtime(options.out)
+    if is_out_of_date or not options.incremental:
+      print 'Deleting %r.' % options.out
+      shutil.rmtree(options.out)
+  command_array = [options.dartc]
+  command_array.extend(['-out', options.out])
+  command_array.extend(options.dartc_options)
+  command_array.extend(args)
+  print ' '.join([repr(a) for a in command_array])
+  proc = subprocess.Popen(command_array)
+  proc.communicate()
+  sys.exit(proc.wait())
+
+
+if __name__ == '__main__':
+  main()