platform_build/core/clang/tidy.mk
Chih-Hung Hsieh 10efc73c06 Use DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS for vendor/google_devices
Many source files under vendor/google_devices
are old third party code with too many clang-tidy
misc-macro-parentheses warnings.

Test: build with WITH_TIDY=1
Change-Id: I79248af3ece9c7a4436b8cf5e6c25f224fd8201b
2016-09-30 14:50:43 -07:00

100 lines
3.3 KiB
Makefile

#
# Copyright (C) 2016 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.
#
# Most Android source files are not clang-tidy clean yet.
# Global tidy checks include only google*, performance*,
# and misc-macro-parentheses, but not google-readability*
# or google-runtime-references.
DEFAULT_GLOBAL_TIDY_CHECKS := \
$(subst $(space),, \
-*,google* \
,misc-macro-parentheses \
,performance* \
,-google-readability* \
,-google-runtime-references \
)
# There are too many clang-tidy warnings in external and vendor projects.
# Enable only some google checks for these projects.
DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS := \
$(subst $(space),, \
-*,google* \
,-google-build-using-namespace \
,-google-default-arguments \
,-google-explicit-constructor \
,-google-readability* \
,-google-runtime-int \
,-google-runtime-references \
)
# Every word in DEFAULT_LOCAL_TIDY_CHECKS list has the following format:
# <local_path_prefix>:,<tidy-checks>
# The last matched local_path_prefix should be the most specific to be used.
DEFAULT_LOCAL_TIDY_CHECKS := \
external/:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
external/google:$(DEFAULT_GLOBAL_TIDY_CHECKS) \
external/webrtc:$(DEFAULT_GLOBAL_TIDY_CHECKS) \
frameworks/compile/mclinker/:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
hardware/qcom:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
vendor/:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
vendor/google:$(DEFAULT_GLOBAL_TIDY_CHECKS) \
vendor/google_devices:$(DEFAULT_EXTERNAL_VENDOR_TIDY_CHECKS) \
# Returns 2nd word of $(1) if $(2) has prefix of the 1st word of $(1).
define find_default_local_tidy_check2
$(if $(filter $(word 1,$(1))%,$(2)/),$(word 2,$(1)))
endef
# Returns 2nd part of $(1) if $(2) has prefix of the 1st part of $(1).
define find_default_local_tidy_check
$(call find_default_local_tidy_check2,$(subst :,$(space),$(1)),$(2))
endef
# Returns the default tidy check list for local project path $(1).
# Match $(1) with all patterns in DEFAULT_LOCAL_TIDY_CHECKS and use the last
# most specific pattern.
define default_global_tidy_checks
$(lastword \
$(DEFAULT_GLOBAL_TIDY_CHECKS) \
$(foreach pattern,$(DEFAULT_LOCAL_TIDY_CHECKS), \
$(call find_default_local_tidy_check,$(pattern),$(1)) \
) \
)
endef
# Give warnings to header files only in selected directories.
# Do not give warnings to external or vendor header files,
# which contain too many warnings.
DEFAULT_TIDY_HEADER_DIRS := \
$(subst $(space),, \
art/ \
|bionic/ \
|bootable/ \
|build/ \
|cts/ \
|dalvik/ \
|developers/ \
|development/ \
|frameworks/ \
|libcore/ \
|libnativehelper/ \
|system/ \
)
# Default filter contains current directory $1 and DEFAULT_TIDY_HEADER_DIRS.
define default_tidy_header_filter
-header-filter="($(subst $(space),,$1|$(DEFAULT_TIDY_HEADER_DIRS)))"
endef