Bisect clang

tools/clang/scripts/blink_gc_plugin_flags.py

+#!/usr/bin/env python
+# Copyright 2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This script returns the flags that should be passed to clang.
+
+import os
+import sys
+
+THIS_DIR = os.path.abspath(os.path.dirname(__file__))
+SRC_DIR = os.path.join(THIS_DIR, '..', '..', '..')
+CLANG_LIB_PATH = os.path.normpath(os.path.join(
+    SRC_DIR, 'third_party', 'llvm-build', 'Release+Asserts', 'lib'))
+
+FLAGS = '-Xclang -add-plugin -Xclang blink-gc-plugin'
+PREFIX= ' -Xclang -plugin-arg-blink-gc-plugin -Xclang '
+for arg in sys.argv[1:]:
+  if arg == 'enable-oilpan=1':
+    FLAGS += PREFIX + 'enable-oilpan'
+  elif arg == 'dump-graph=1':
+    FLAGS += PREFIX + 'dump-graph'
+  elif arg == 'warn-raw-ptr=1':
+    FLAGS += PREFIX + 'warn-raw-ptr'
+  elif arg == 'warn-unneeded-finalizer=1':
+    FLAGS += PREFIX + 'warn-unneeded-finalizer'
+  elif arg.startswith('custom_clang_lib_path='):
+    CLANG_LIB_PATH = arg[len('custom_clang_lib_path='):]
+
+if not sys.platform in ['win32', 'cygwin']:
+  LIBSUFFIX = 'dylib' if sys.platform == 'darwin' else 'so'
+  FLAGS = ('-Xclang -load -Xclang "%s/libBlinkGCPlugin.%s" ' + FLAGS) % \
+           (CLANG_LIB_PATH, LIBSUFFIX)
+
+print FLAGS