Split warn.py into multiple files

* Split warning patterns into *_warn_patterns.py
* Split project list into android_project_list.py
* Split out the Severity class, to be changed later
* Split core of warn.py into warn_common.py and
  leave only platform dependent code in warn.py.
  This allows the core logic be used with different
  parallel processing libraries.
* Old warn.py just calls -m warn.warn.

Test: path_to_build/tools/warn.py build.log
Test: warn.py --url=http://cs/android --separator='?l=' build.log > warnings.html
Change-Id: I6734e4472a21018cd5ce06d549f6dbca24f4de54
diff --git a/tools/warn/android_project_list.py b/tools/warn/android_project_list.py
new file mode 100644
index 0000000..1e9e276
--- /dev/null
+++ b/tools/warn/android_project_list.py
@@ -0,0 +1,176 @@
+#
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Define a project list to sort warnings by project directory path."""
+
+
+def project_name_and_pattern(name, pattern):
+  return [name, '(^|.*/)' + pattern + '/.*: warning:']
+
+
+def simple_project_pattern(pattern):
+  return project_name_and_pattern(pattern, pattern)
+
+
+# A list of [project_name, file_path_pattern].
+# project_name should not contain comma, to be used in CSV output.
+project_list = [
+    simple_project_pattern('art'),
+    simple_project_pattern('bionic'),
+    simple_project_pattern('bootable'),
+    simple_project_pattern('build'),
+    simple_project_pattern('cts'),
+    simple_project_pattern('dalvik'),
+    simple_project_pattern('developers'),
+    simple_project_pattern('development'),
+    simple_project_pattern('device'),
+    simple_project_pattern('doc'),
+    # match external/google* before external/
+    project_name_and_pattern('external/google', 'external/google.*'),
+    project_name_and_pattern('external/non-google', 'external'),
+    simple_project_pattern('frameworks/av/camera'),
+    simple_project_pattern('frameworks/av/cmds'),
+    simple_project_pattern('frameworks/av/drm'),
+    simple_project_pattern('frameworks/av/include'),
+    simple_project_pattern('frameworks/av/media/img_utils'),
+    simple_project_pattern('frameworks/av/media/libcpustats'),
+    simple_project_pattern('frameworks/av/media/libeffects'),
+    simple_project_pattern('frameworks/av/media/libmediaplayerservice'),
+    simple_project_pattern('frameworks/av/media/libmedia'),
+    simple_project_pattern('frameworks/av/media/libstagefright'),
+    simple_project_pattern('frameworks/av/media/mtp'),
+    simple_project_pattern('frameworks/av/media/ndk'),
+    simple_project_pattern('frameworks/av/media/utils'),
+    project_name_and_pattern('frameworks/av/media/Other',
+                             'frameworks/av/media'),
+    simple_project_pattern('frameworks/av/radio'),
+    simple_project_pattern('frameworks/av/services'),
+    simple_project_pattern('frameworks/av/soundtrigger'),
+    project_name_and_pattern('frameworks/av/Other', 'frameworks/av'),
+    simple_project_pattern('frameworks/base/cmds'),
+    simple_project_pattern('frameworks/base/core'),
+    simple_project_pattern('frameworks/base/drm'),
+    simple_project_pattern('frameworks/base/media'),
+    simple_project_pattern('frameworks/base/libs'),
+    simple_project_pattern('frameworks/base/native'),
+    simple_project_pattern('frameworks/base/packages'),
+    simple_project_pattern('frameworks/base/rs'),
+    simple_project_pattern('frameworks/base/services'),
+    simple_project_pattern('frameworks/base/tests'),
+    simple_project_pattern('frameworks/base/tools'),
+    project_name_and_pattern('frameworks/base/Other', 'frameworks/base'),
+    simple_project_pattern('frameworks/compile/libbcc'),
+    simple_project_pattern('frameworks/compile/mclinker'),
+    simple_project_pattern('frameworks/compile/slang'),
+    project_name_and_pattern('frameworks/compile/Other', 'frameworks/compile'),
+    simple_project_pattern('frameworks/minikin'),
+    simple_project_pattern('frameworks/ml'),
+    simple_project_pattern('frameworks/native/cmds'),
+    simple_project_pattern('frameworks/native/include'),
+    simple_project_pattern('frameworks/native/libs'),
+    simple_project_pattern('frameworks/native/opengl'),
+    simple_project_pattern('frameworks/native/services'),
+    simple_project_pattern('frameworks/native/vulkan'),
+    project_name_and_pattern('frameworks/native/Other', 'frameworks/native'),
+    simple_project_pattern('frameworks/opt'),
+    simple_project_pattern('frameworks/rs'),
+    simple_project_pattern('frameworks/webview'),
+    simple_project_pattern('frameworks/wilhelm'),
+    project_name_and_pattern('frameworks/Other', 'frameworks'),
+    simple_project_pattern('hardware/akm'),
+    simple_project_pattern('hardware/broadcom'),
+    simple_project_pattern('hardware/google'),
+    simple_project_pattern('hardware/intel'),
+    simple_project_pattern('hardware/interfaces'),
+    simple_project_pattern('hardware/libhardware'),
+    simple_project_pattern('hardware/libhardware_legacy'),
+    simple_project_pattern('hardware/qcom'),
+    simple_project_pattern('hardware/ril'),
+    project_name_and_pattern('hardware/Other', 'hardware'),
+    simple_project_pattern('kernel'),
+    simple_project_pattern('libcore'),
+    simple_project_pattern('libnativehelper'),
+    simple_project_pattern('ndk'),
+    # match vendor/unbungled_google/packages before other packages
+    simple_project_pattern('unbundled_google'),
+    simple_project_pattern('packages'),
+    simple_project_pattern('pdk'),
+    simple_project_pattern('prebuilts'),
+    simple_project_pattern('system/bt'),
+    simple_project_pattern('system/connectivity'),
+    simple_project_pattern('system/core/adb'),
+    simple_project_pattern('system/core/base'),
+    simple_project_pattern('system/core/debuggerd'),
+    simple_project_pattern('system/core/fastboot'),
+    simple_project_pattern('system/core/fingerprintd'),
+    simple_project_pattern('system/core/fs_mgr'),
+    simple_project_pattern('system/core/gatekeeperd'),
+    simple_project_pattern('system/core/healthd'),
+    simple_project_pattern('system/core/include'),
+    simple_project_pattern('system/core/init'),
+    simple_project_pattern('system/core/libbacktrace'),
+    simple_project_pattern('system/core/liblog'),
+    simple_project_pattern('system/core/libpixelflinger'),
+    simple_project_pattern('system/core/libprocessgroup'),
+    simple_project_pattern('system/core/libsysutils'),
+    simple_project_pattern('system/core/logcat'),
+    simple_project_pattern('system/core/logd'),
+    simple_project_pattern('system/core/run-as'),
+    simple_project_pattern('system/core/sdcard'),
+    simple_project_pattern('system/core/toolbox'),
+    project_name_and_pattern('system/core/Other', 'system/core'),
+    simple_project_pattern('system/extras/ANRdaemon'),
+    simple_project_pattern('system/extras/cpustats'),
+    simple_project_pattern('system/extras/crypto-perf'),
+    simple_project_pattern('system/extras/ext4_utils'),
+    simple_project_pattern('system/extras/f2fs_utils'),
+    simple_project_pattern('system/extras/iotop'),
+    simple_project_pattern('system/extras/libfec'),
+    simple_project_pattern('system/extras/memory_replay'),
+    simple_project_pattern('system/extras/mmap-perf'),
+    simple_project_pattern('system/extras/multinetwork'),
+    simple_project_pattern('system/extras/procrank'),
+    simple_project_pattern('system/extras/runconuid'),
+    simple_project_pattern('system/extras/showmap'),
+    simple_project_pattern('system/extras/simpleperf'),
+    simple_project_pattern('system/extras/su'),
+    simple_project_pattern('system/extras/tests'),
+    simple_project_pattern('system/extras/verity'),
+    project_name_and_pattern('system/extras/Other', 'system/extras'),
+    simple_project_pattern('system/gatekeeper'),
+    simple_project_pattern('system/keymaster'),
+    simple_project_pattern('system/libhidl'),
+    simple_project_pattern('system/libhwbinder'),
+    simple_project_pattern('system/media'),
+    simple_project_pattern('system/netd'),
+    simple_project_pattern('system/nvram'),
+    simple_project_pattern('system/security'),
+    simple_project_pattern('system/sepolicy'),
+    simple_project_pattern('system/tools'),
+    simple_project_pattern('system/update_engine'),
+    simple_project_pattern('system/vold'),
+    project_name_and_pattern('system/Other', 'system'),
+    simple_project_pattern('toolchain'),
+    simple_project_pattern('test'),
+    simple_project_pattern('tools'),
+    # match vendor/google* before vendor/
+    project_name_and_pattern('vendor/google', 'vendor/google.*'),
+    project_name_and_pattern('vendor/non-google', 'vendor'),
+    # keep out/obj and other patterns at the end.
+    ['out/obj',
+     '.*/(gen|obj[^/]*)/(include|EXECUTABLES|SHARED_LIBRARIES|'
+     'STATIC_LIBRARIES|NATIVE_TESTS)/.*: warning:'],
+    ['other', '.*']  # all other unrecognized patterns
+]