Native Client side changes for debugging support: stdout/err -> postmessage.

tools/browser_tester/browsertester/browserlauncher.py

 #!/usr/bin/python
 # Copyright (c) 2011 The Native Client Authors. 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.path
 import re
 import shutil
 import sys
 import tempfile
@@ skipping 124 matching lines @@
     if self.tool_log_dir is not None:
       RemoveDirectory(self.tool_log_dir)
 
   def MakeProfileDirectory(self):
     self.profile = tempfile.mkdtemp(prefix='browserprofile_')
     return self.profile
 
   def SetStandardStream(self, env, var_name, redirect_file, is_output):
     if redirect_file is None:
       return
-    redirect_file = os.path.abspath(redirect_file)
+    # logic must match src/trusted/service_runtime/nacl_resource.*
+    # resource specification notation
+    is_file = (redirect_file.startswith('file:') or
+               not (redirect_file.startswith('dev:') or
+                    redirect_file.startswith('DEBUG_ONLY:dev:')))
+    if is_file:
+      if redirect_file.startswith('file:'):
+        bare_file = redirect_file[5:]
+      else:
+        bare_file = redirect_file
+      # why always abspath?  does chrome chdir or might it in the
+      # future?  this means we do not test/use the relative path case.
+      redirect_file = 'file:' + os.path.abspath(bare_file)
+    else:
+      bare_file = None  # ensure error if used without checking is_file
     env[var_name] = redirect_file
     if is_output:
       # sel_ldr appends program output to the file so we need to clear it
       # in order to get the stable result.
-      if os.path.exists(redirect_file):
-        os.remove(redirect_file)
-      parent_dir = os.path.dirname(redirect_file)
-      # parent directory may not exist.
-      if not os.path.exists(parent_dir):
-        os.makedirs(parent_dir)
+      if is_file:
+        if os.path.exists(bare_file):
+          os.remove(bare_file)
+        parent_dir = os.path.dirname(bare_file)
+        # parent directory may not exist.
+        if not os.path.exists(parent_dir):
+          os.makedirs(parent_dir)
 
   def Launch(self, cmd, env):
     browser_path = cmd[0]
     if not os.path.exists(browser_path):
       raise LaunchFailure('Browser does not exist %r'% browser_path)
     if not os.access(browser_path, os.X_OK):
       raise LaunchFailure('Browser cannot be executed %r (Is this binary on an '
                           'NFS volume?)' % browser_path)
     if self.options.sel_ldr:
       env['NACL_SEL_LDR'] = self.options.sel_ldr
@@ skipping 135 matching lines @@
              '--trace-children=yes',
              '--nacl-file=%s' % (self.options.files[0],),
              '--ignore=../tools/valgrind/tsan/ignores.txt',
              '--suppressions=../tools/valgrind/tsan/suppressions.txt',
              '--log-file=%s/log.%%p' % (self.tool_log_dir,)] + cmd
     elif self.options.tool != None:
       raise LaunchFailure('Invalid tool name "%s"' % (self.options.tool,))
     cmd.extend(self.options.browser_flags)
     cmd.append(url)
     return cmd