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tests/stub-generator/testcfg.py

 # 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 os
 import re
 import shutil
 import sys
 import tempfile
 
@@ skipping 13 matching lines @@
     self.mode = mode
     self.arch = arch
 
   def IsBatchable(self):
     return False
 
   def GetStubs(self):
     source = self.GetSource()
     stub_classes = utils.ParseTestOptions(test.ISOLATE_STUB_PATTERN, source,
                                           self.context.workspace)
+    if stub_classes is None:
+      return (None, None, None)
     (interface, _, classes) = stub_classes[0].partition(':')
     (interface, _, implementation) = interface.partition('+')
     return (interface, classes, implementation)
 
-  def IsFailureOutput(self, output):
-    return output.exit_code != 0 or not '##DONE##' in output.stdout
-
   def BeforeRun(self):
     if not self.context.generate:
       return
-    command = self.context.GetDartC(self.mode, 'dartc')
     (interface, classes, _) = self.GetStubs()
+    if interface is None:
+      return
     d = join(self.GetPath(), 'generated')
     if not isdir(d):
       os.mkdir(d)
     tmpdir = tempfile.mkdtemp()
     src = join(self.GetPath(), interface)
     dest = join(self.GetPath(), GeneratedName(interface))
+    (_, tmp) = tempfile.mkstemp()
+    command = self.context.GetDartC(self.mode, 'dartc')
     self.RunCommand(command + [ src,
                                 # dartc generates output even if it has no
                                 # output to generate.
                                 '-out', tmpdir,
-                                '-isolate-stub-out', dest,
+                                '-isolate-stub-out', tmp,
                                 '-generate-isolate-stubs', classes ])
     shutil.rmtree(tmpdir)
-    d = open(dest, 'a')
+
+    # Copy comments and # commands from the beginning of the source to
+    # the beginning of the generated file, then copy the remaining
+    # source to the end.
+    d = open(dest, 'w')
     s = open(src, 'r')
+    t = open(tmp, 'r')
+    while True:
+      line = s.readline()
+      if not (re.match('^\s+$', line) or line.startswith('//') or line.startswith('#')):

[kasperl, 2011/10/24 13:47:01]

Long line.

[Ben Laurie (Google), 2011/10/24 14:21:42]

Will be fixed in next commit.

+        break
+      d.write(line)
+    d.write(t.read())
+    os.remove(tmp)
+    d.write(line)
     d.write(s.read())
 
   def GetCommand(self):
     # Parse the options by reading the .dart source file.
     source = self.GetSource()
     vm_options = utils.ParseTestOptions(test.VM_OPTIONS_PATTERN, source,
                                         self.context.workspace)
     dart_options = utils.ParseTestOptions(test.DART_OPTIONS_PATTERN, source,
                                           self.context.workspace)
     (interface, _, implementation) = self.GetStubs()
 
     # Combine everything into a command array and return it.
     command = self.context.GetDart(self.mode, self.arch)
-    files = [ join(self.GetPath(), GeneratedName(interface)) ]
+    if interface is None:
+      f = self.filename
+    else:
+      f = GeneratedName(interface)
+    files = [ join(self.GetPath(), f) ]
     if vm_options: command += vm_options
     if dart_options: command += dart_options
     else: command +=  files
     return command
 
 
 class DartStubTestConfiguration(test_configuration.StandardTestConfiguration):
   def __init__(self, context, root):
     super(DartStubTestConfiguration, self).__init__(context, root)
 
@@ skipping 18 matching lines @@
         tests.append(DartStubTestCase(self.context,
                                       test_path,
                                       join(root, f),
                                       mode,
                                       arch))
     return tests
 
 
 def GetConfiguration(context, root):
   return DartStubTestConfiguration(context, root)