Add car API checks.

Bug: 27705308
Change-Id: I9826211e2ae3287eb19cf96d57dbff150b208eb2

1 files changed, 244 insertions, 0 deletions

diff --git a/apicheck.mk b/apicheck.mk
new file mode 100644
index 0000000000..df9af7ca64
--- /dev/null
+++ b/apicheck.mk
@@ -0,0 +1,244 @@
+# 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.
+
+#
+# Input variables
+#
+# $(car_module) - name of the car library module
+# $(car_module_api_dir) - dir to store API files
+# $(car_module_include_systemapi) - if systemApi file should be generated
+# $(car_module_java_libraries) - dependent libraries
+# $(car_module_java_packages) - list of package names containing public classes
+# $(car_module_src_files) - list of source files
+# $(api_check_current_msg_file) - file containing error message for current API check
+# $(api_check_last_msg_file) - file containing error message for last SDK API check
+# ---------------------------------------------
+
+ifeq ($(BOARD_IS_AUTOMOTIVE), true)
+ifneq ($(TARGET_BUILD_PDK), true)
+#
+# Generate the public stub source files
+# ---------------------------------------------
+include $(CLEAR_VARS)
+
+car_module_api_file := \
+    $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/$(car_module)_api.txt
+car_module_removed_file := \
+    $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/$(car_module)_removed.txt
+
+LOCAL_MODULE := $(car_module)-stubs
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(car_module_src_files)
+LOCAL_JAVA_LIBRARIES := $(car_module_java_libraries) $(car_module)
+LOCAL_ADDITIONAL_JAVA_DIR := \
+    $(call intermediates-dir-for,$(LOCAL_MODULE_CLASS),$(car_module),,COMMON)/src
+LOCAL_SDK_VERSION := $(CAR_CURRENT_SDK_VERSION)
+
+LOCAL_DROIDDOC_STUB_OUT_DIR := $(TARGET_OUT_COMMON_INTERMEDIATES)/$(LOCAL_MODULE_CLASS)/$(LOCAL_MODULE)_intermediates/src
+
+LOCAL_DROIDDOC_OPTIONS:= \
+    -stubpackages "$(subst $(space),:,$(car_module_java_packages))" \
+    -api $(car_module_api_file) \
+    -removedApi $(car_module_removed_file) \
+    -nodocs \
+    -hide 113 \
+    -hide 110
+LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR := build/tools/droiddoc/templates-sdk
+LOCAL_UNINSTALLABLE_MODULE := true
+
+include $(BUILD_DROIDDOC)
+car_stub_stamp := $(full_target)
+$(car_module_api_file) : $(full_target)
+
+ifeq ($(car_module_include_systemapi), true)
+#
+# Generate the system stub source files
+# ---------------------------------------------
+include $(CLEAR_VARS)
+
+car_module_system_api_file := \
+    $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/$(car_module)_system_api.txt
+car_module_system_removed_file := \
+    $(TARGET_OUT_COMMON_INTERMEDIATES)/PACKAGING/$(car_module)_system_removed.txt
+
+LOCAL_MODULE := $(car_module)-system-stubs
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(car_module_src_files)
+LOCAL_JAVA_LIBRARIES := $(car_module_java_libraries) $(car_module)
+LOCAL_ADDITIONAL_JAVA_DIR := \
+    $(call intermediates-dir-for,$(LOCAL_MODULE_CLASS),$(car_module),,COMMON)/src
+LOCAL_SDK_VERSION := $(CAR_CURRENT_SDK_VERSION)
+
+LOCAL_DROIDDOC_STUB_OUT_DIR := $(TARGET_OUT_COMMON_INTERMEDIATES)/$(LOCAL_MODULE_CLASS)/$(LOCAL_MODULE)_intermediates/src
+
+LOCAL_DROIDDOC_OPTIONS:= \
+    -stubpackages "$(subst $(space),:,$(car_module_java_packages))" \
+    -showAnnotation android.annotation.SystemApi \
+    -api $(car_module_system_api_file) \
+    -removedApi $(car_module_system_removed_file) \
+    -nodocs \
+    -hide 113 \
+    -hide 110
+LOCAL_DROIDDOC_CUSTOM_TEMPLATE_DIR := build/tools/droiddoc/templates-sdk
+LOCAL_UNINSTALLABLE_MODULE := true
+
+include $(BUILD_DROIDDOC)
+car_system_stub_stamp := $(full_target)
+$(car_module_system_api_file) : $(full_target)
+
+#($(car_module_include_systemapi), true)
+endif
+#
+# Check public API
+# ---------------------------------------------
+.PHONY: $(car_module)-check-public-api
+checkapi: $(car_module)-check-public-api
+$(car_module): $(car_module)-check-public-api
+
+last_released_sdk_$(car_module) := $(lastword $(call numerically_sort, \
+    $(filter-out current, \
+        $(patsubst $(car_module_api_dir)/%.txt,%, $(wildcard $(car_module_api_dir)/*.txt)) \
+    )))
+
+# Check that the API we're building hasn't broken the last-released SDK version
+# if it exists
+ifneq ($(last_released_sdk_$(car_module)),)
+$(eval $(call check-api, \
+    $(car_module)-checkapi-last, \
+    $(car_module_api_dir)/$(last_released_sdk_$(car_module)).txt, \
+    $(car_module_api_file), \
+    $(car_module_api_dir)/removed.txt, \
+    $(car_module_removed_file), \
+    -hide 2 -hide 3 -hide 4 -hide 5 -hide 6 -hide 24 -hide 25 -hide 26 -hide 27 \
+        -warning 7 -warning 8 -warning 9 -warning 10 -warning 11 -warning 12 \
+        -warning 13 -warning 14 -warning 15 -warning 16 -warning 17 -warning 18 -hide 113, \
+    cat $(api_check_last_msg_file), \
+    $(car_module)-check-public-api, \
+    $(car_stub_stamp)))
+endif
+
+# Check that the API we're building hasn't changed from the not-yet-released
+# SDK version.
+$(eval $(call check-api, \
+    $(car_module)-checkapi-current, \
+    $(car_module_api_dir)/current.txt, \
+    $(car_module_api_file), \
+    $(car_module_api_dir)/removed.txt, \
+    $(car_module_removed_file), \
+    -error 2 -error 3 -error 4 -error 5 -error 6 -error 7 -error 8 -error 9 -error 10 -error 11 \
+        -error 12 -error 13 -error 14 -error 15 -error 16 -error 17 -error 18 -error 19 -error 20 \
+        -error 21 -error 23 -error 24 -error 25 -hide 113, \
+    cat $(api_check_current_msg_file), \
+    $(car_module)-check-public-api, \
+    $(car_stub_stamp)))
+
+.PHONY: update-$(car_module)-api
+update-$(car_module)-api: PRIVATE_API_DIR := $(car_module_api_dir)
+update-$(car_module)-api: PRIVATE_MODULE := $(car_module)
+update-$(car_module)-api: PRIVATE_REMOVED_API_FILE := $(car_module_removed_file)
+update-$(car_module)-api: $(car_module_api_file) | $(ACP)
+	@echo Copying $(PRIVATE_MODULE) current.txt
+	$(hide) $(ACP) $< $(PRIVATE_API_DIR)/current.txt
+	@echo Copying $(PRIVATE_MODULE) removed.txt
+	$(hide) $(ACP) $(PRIVATE_REMOVED_API_FILE) $(PRIVATE_API_DIR)/removed.txt
+
+# Run this update API task on the update-car-api task
+update-car-api: update-$(car_module)-api
+
+ifeq ($(car_module_include_systemapi), true)
+
+#
+# Check system API
+# ---------------------------------------------
+.PHONY: $(car_module)-check-system-api
+checkapi: $(car_module)-check-system-api
+$(car_module): $(car_module)-check-system-api
+
+last_released_system_sdk_$(car_module) := $(lastword $(call numerically_sort, \
+    $(filter-out system-current, \
+        $(patsubst $(car_module_api_dir)/%.txt,%, $(wildcard $(car_module_api_dir)/system-*.txt)) \
+    )))
+
+# Check that the API we're building hasn't broken the last-released SDK version
+# if it exists
+ifneq ($(last_released_system_sdk_$(car_module)),)
+$(eval $(call check-api, \
+    $(car_module)-checksystemapi-last, \
+    $(car_module_api_dir)/$(last_released_system_sdk_$(car_module)).txt, \
+    $(car_module_system_api_file), \
+    $(car_module_api_dir)/system-removed.txt, \
+    $(car_module_system_removed_file), \
+    -hide 2 -hide 3 -hide 4 -hide 5 -hide 6 -hide 24 -hide 25 -hide 26 -hide 27 \
+        -warning 7 -warning 8 -warning 9 -warning 10 -warning 11 -warning 12 \
+        -warning 13 -warning 14 -warning 15 -warning 16 -warning 17 -warning 18 -hide 113, \
+    cat $(api_check_last_msg_file), \
+    $(car_module)-check-system-api, \
+    $(car_system_stub_stamp)))
+endif
+
+# Check that the API we're building hasn't changed from the not-yet-released
+# SDK version.
+$(eval $(call check-api, \
+    $(car_module)-checksystemapi-current, \
+    $(car_module_api_dir)/system-current.txt, \
+    $(car_module_system_api_file), \
+    $(car_module_api_dir)/system-removed.txt, \
+    $(car_module_system_removed_file), \
+    -error 2 -error 3 -error 4 -error 5 -error 6 -error 7 -error 8 -error 9 -error 10 -error 11 \
+        -error 12 -error 13 -error 14 -error 15 -error 16 -error 17 -error 18 -error 19 -error 20 \
+        -error 21 -error 23 -error 24 -error 25 -hide 113, \
+    cat $(api_check_current_msg_file), \
+    $(car_module)-check-system-api, \
+    $(car_stub_stamp)))
+
+.PHONY: update-$(car_module)-system-api
+update-$(car_module)-system-api: PRIVATE_API_DIR := $(car_module_api_dir)
+update-$(car_module)-system-api: PRIVATE_MODULE := $(car_module)
+update-$(car_module)-system-api: PRIVATE_REMOVED_API_FILE := $(car_module_system_removed_file)
+update-$(car_module)-system-api: $(car_module_system_api_file) | $(ACP)
+	@echo Copying $(PRIVATE_MODULE) system-current.txt
+	$(hide) $(ACP) $< $(PRIVATE_API_DIR)/system-current.txt
+	@echo Copying $(PRIVATE_MODULE) system-removed.txt
+	$(hide) $(ACP) $(PRIVATE_REMOVED_API_FILE) $(PRIVATE_API_DIR)/system-removed.txt
+
+# Run this update API task on the update-car-api task
+update-car-api: update-$(car_module)-system-api
+
+#($(car_module_include_systemapi), true)
+endif
+
+#($(TARGET_BUILD_PDK),true)
+endif
+
+#($(BOARD_IS_AUTOMOTIVE), true)
+endif
+#
+# Clear variables
+# ---------------------------------------------
+car_module :=
+car_module_api_dir :=
+car_module_src_files :=
+car_module_java_libraries :=
+car_module_java_packages :=
+car_module_api_file :=
+car_module_removed_file :=
+car_module_system_api_file :=
+car_module_system_removed__file :=
+car_stub_stamp :=
+car_system_stub_stamp :=
+car_module_include_systemapi :=