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      1 #
      2 # Copyright (C) 2017 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 #
     16 
     17 ##
     18 ##
     19 ## Common to both jdiff and javadoc
     20 ##
     21 ##
     22 
     23 LOCAL_IS_HOST_MODULE := $(call true-or-empty,$(LOCAL_IS_HOST_MODULE))
     24 ifeq ($(LOCAL_IS_HOST_MODULE),true)
     25 my_prefix := HOST_
     26 LOCAL_HOST_PREFIX :=
     27 else
     28 my_prefix := TARGET_
     29 endif
     30 
     31 LOCAL_MODULE_CLASS := $(strip $(LOCAL_MODULE_CLASS))
     32 ifndef LOCAL_MODULE_CLASS
     33 $(error $(LOCAL_PATH): LOCAL_MODULE_CLASS not defined)
     34 endif
     35 
     36 full_src_files := $(patsubst %,$(LOCAL_PATH)/%,$(LOCAL_SRC_FILES))
     37 out_dir := $(OUT_DOCS)/$(LOCAL_MODULE)/api_diff/current
     38 full_target := $(call doc-timestamp-for,$(LOCAL_MODULE)-diff)
     39 
     40 ifeq ($(LOCAL_IS_HOST_MODULE),true)
     41 $(full_target): PRIVATE_BOOTCLASSPATH :=
     42 full_java_libs := $(addprefix $(HOST_OUT_JAVA_LIBRARIES)/,\
     43   $(addsuffix $(COMMON_JAVA_PACKAGE_SUFFIX),$(LOCAL_JAVA_LIBRARIES)))
     44 full_java_lib_deps := $(full_java_libs)
     45 
     46 else
     47 
     48 ifneq ($(LOCAL_SDK_VERSION),)
     49   ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),current)
     50     # Use android_stubs_current if LOCAL_SDK_VERSION is current and no TARGET_BUILD_APPS.
     51     LOCAL_JAVA_LIBRARIES := android_stubs_current $(LOCAL_JAVA_LIBRARIES)
     52     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_stubs_current)
     53   else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),system_current)
     54     LOCAL_JAVA_LIBRARIES := android_system_stubs_current $(LOCAL_JAVA_LIBRARIES)
     55     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_system_stubs_current)
     56   else ifeq ($(LOCAL_SDK_VERSION)$(TARGET_BUILD_APPS),test_current)
     57     LOCAL_JAVA_LIBRARIES := android_test_stubs_current $(LOCAL_JAVA_LIBRARIES)
     58     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, android_test_stubs_current)
     59   else
     60     # core_<ver> is subset of <ver>. Instead of defining a prebuilt lib for core_<ver>,
     61     # use the stub for <ver> when building for apps.
     62     _version := $(patsubst core_%,%,$(LOCAL_SDK_VERSION))
     63     LOCAL_JAVA_LIBRARIES := sdk_v$(_version) $(LOCAL_JAVA_LIBRARIES)
     64     $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, sdk_v$(_version))
     65     _version :=
     66   endif
     67 else
     68   LOCAL_JAVA_LIBRARIES := core-oj core-libart ext framework $(LOCAL_JAVA_LIBRARIES)
     69   $(full_target): PRIVATE_BOOTCLASSPATH := $(call java-lib-files, core-oj):$(call java-lib-files, core-libart)
     70 endif  # LOCAL_SDK_VERSION
     71 LOCAL_JAVA_LIBRARIES := $(sort $(LOCAL_JAVA_LIBRARIES))
     72 
     73 full_java_libs := $(call java-lib-files,$(LOCAL_JAVA_LIBRARIES)) $(LOCAL_CLASSPATH)
     74 full_java_lib_deps := $(call java-lib-deps,$(LOCAL_JAVA_LIBRARIES)) $(LOCAL_CLASSPATH)
     75 endif # !LOCAL_IS_HOST_MODULE
     76 
     77 $(full_target): PRIVATE_CLASSPATH := $(subst $(space),:,$(full_java_libs))
     78 $(full_target): PRIVATE_DOCLAVA_CLASSPATH := $(HOST_OUT_JAVA_LIBRARIES)/jsilver$(COMMON_JAVA_PACKAGE_SUFFIX):$(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
     79 
     80 intermediates.COMMON := $(call local-intermediates-dir,COMMON)
     81 
     82 $(full_target): PRIVATE_SOURCE_PATH := $(call normalize-path-list,$(LOCAL_DROIDDOC_SOURCE_PATH))
     83 $(full_target): PRIVATE_JAVA_FILES := $(filter %.java,$(full_src_files))
     84 $(full_target): PRIVATE_JAVA_FILES += $(addprefix $($(my_prefix)OUT_COMMON_INTERMEDIATES)/, $(filter %.java,$(LOCAL_INTERMEDIATE_SOURCES)))
     85 $(full_target): PRIVATE_SOURCE_INTERMEDIATES_DIR := $(intermediates.COMMON)/src
     86 $(full_target): PRIVATE_SRC_LIST_FILE := $(intermediates.COMMON)/droiddoc-src-list
     87 
     88 ifneq ($(strip $(LOCAL_ADDITIONAL_JAVA_DIR)),)
     89 $(full_target): PRIVATE_ADDITIONAL_JAVA_DIR := $(LOCAL_ADDITIONAL_JAVA_DIR)
     90 endif
     91 
     92 # Lists the input files for the doc build into a text file
     93 # suitable for the @ syntax of javadoc.
     94 # $(1): the file to create
     95 # $(2): files to include
     96 # $(3): list of directories to search for java files in
     97 define prepare-doc-source-list
     98 $(hide) mkdir -p $(dir $(1))
     99 $(call dump-words-to-file, $(2), $(1))
    100 $(hide) for d in $(3) ; do find $$d -name '*.java' -and -not -name '.*' >> $(1) 2> /dev/null ; done ; true
    101 endef
    102 
    103 ##
    104 ##
    105 ## jdiff only
    106 ##
    107 ##
    108 
    109 jdiff := \
    110 	$(HOST_JDK_TOOLS_JAR) \
    111 	$(HOST_OUT_JAVA_LIBRARIES)/jdiff$(COMMON_JAVA_PACKAGE_SUFFIX)
    112 
    113 doclava := \
    114 	$(HOST_JDK_TOOLS_JAR) \
    115 	$(HOST_OUT_JAVA_LIBRARIES)/doclava$(COMMON_JAVA_PACKAGE_SUFFIX)
    116 
    117 $(full_target): PRIVATE_NEWAPI := $(LOCAL_APIDIFF_NEWAPI)
    118 $(full_target): PRIVATE_OLDAPI := $(LOCAL_APIDIFF_OLDAPI)
    119 $(full_target): PRIVATE_OUT_DIR := $(out_dir)
    120 $(full_target): PRIVATE_OUT_NEWAPI := $(out_dir)/current.xml
    121 $(full_target): PRIVATE_OUT_OLDAPI := $(out_dir)/$(notdir $(basename $(LOCAL_APIDIFF_OLDAPI))).xml
    122 $(full_target): PRIVATE_DOCLETPATH := $(HOST_OUT_JAVA_LIBRARIES)/jdiff$(COMMON_JAVA_PACKAGE_SUFFIX)
    123 $(full_target): \
    124 		$(full_src_files) \
    125 		$(full_java_lib_deps) \
    126 		$(jdiff) \
    127 		$(doclava) \
    128 		$(LOCAL_MODULE)-docs \
    129 		$(LOCAL_ADDITIONAL_DEPENDENCIES)
    130 	@echo Generating API diff: $(PRIVATE_OUT_DIR)
    131 	@echo   Old API: $(PRIVATE_OLDAPI)
    132 	@echo   New API: $(PRIVATE_NEWAPI)
    133 	@echo   Old XML: $(PRIVATE_OUT_OLDAPI)
    134 	@echo   New XML: $(PRIVATE_OUT_NEWAPI)
    135 	$(hide) mkdir -p $(dir $@)
    136 	@echo Converting API files to XML...
    137 	$(hide) mkdir -p $(PRIVATE_OUT_DIR)
    138 	$(hide) ( \
    139 		$(JAVA) \
    140 				$(addprefix -classpath ,$(PRIVATE_CLASSPATH):$(PRIVATE_DOCLAVA_CLASSPATH):$(PRIVATE_BOOTCLASSPATH):$(HOST_JDK_TOOLS_JAR)) \
    141 				com.google.doclava.apicheck.ApiCheck \
    142 				-convert2xml \
    143 					$(basename $(PRIVATE_NEWAPI)).txt \
    144 					$(basename $(PRIVATE_OUT_NEWAPI)).xml \
    145 	) || (rm -rf $(PRIVATE_OUT_DIR) $(PRIVATE_SRC_LIST_FILE); exit 45)
    146 	$(hide) ( \
    147 		$(JAVA) \
    148 				$(addprefix -classpath ,$(PRIVATE_CLASSPATH):$(PRIVATE_DOCLAVA_CLASSPATH):$(PRIVATE_BOOTCLASSPATH):$(HOST_JDK_TOOLS_JAR)) \
    149 				com.google.doclava.apicheck.ApiCheck \
    150 				-convert2xml \
    151 					$(basename $(PRIVATE_OLDAPI)).txt \
    152 					$(basename $(PRIVATE_OUT_OLDAPI)).xml \
    153 	) || (rm -rf $(PRIVATE_OUT_DIR) $(PRIVATE_SRC_LIST_FILE); exit 45)
    154 	@echo Running JDiff...
    155 	$(call prepare-doc-source-list,$(PRIVATE_SRC_LIST_FILE),$(PRIVATE_JAVA_FILES), \
    156 			$(PRIVATE_SOURCE_INTERMEDIATES_DIR) $(PRIVATE_ADDITIONAL_JAVA_DIR))
    157 	$(hide) ( \
    158 		$(JAVADOC) \
    159 				-encoding UTF-8 \
    160 				\@$(PRIVATE_SRC_LIST_FILE) \
    161 				-J-Xmx1600m \
    162 				-XDignore.symbol.file \
    163 				-quiet \
    164 				-doclet jdiff.JDiff \
    165 				-docletpath $(PRIVATE_DOCLETPATH) \
    166 				$(addprefix -bootclasspath ,$(PRIVATE_BOOTCLASSPATH)) \
    167 				$(addprefix -classpath ,$(PRIVATE_CLASSPATH)) \
    168 				-sourcepath $(PRIVATE_SOURCE_PATH)$(addprefix :,$(PRIVATE_CLASSPATH)) \
    169 				-d $(PRIVATE_OUT_DIR) \
    170 				-newapi $(notdir $(basename $(PRIVATE_OUT_NEWAPI))) \
    171 				-newapidir $(dir $(PRIVATE_OUT_NEWAPI)) \
    172 				-oldapi $(notdir $(basename $(PRIVATE_OUT_OLDAPI))) \
    173 				-oldapidir $(dir $(PRIVATE_OUT_OLDAPI)) \
    174 				-javadocnew ../../../reference/ \
    175 		&& touch -f $@ \
    176 	) || (rm -rf $(PRIVATE_OUT_DIR) $(PRIVATE_SRC_LIST_FILE); exit 45)
    177 
    178 ALL_DOCS += $(full_target)
    179 
    180 .PHONY: $(LOCAL_MODULE)-diff
    181 $(LOCAL_MODULE)-diff : $(full_target)
    182