#

# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

include $(SPEC)

include MakeBase.gmk

include JavaCompilation.gmk

default: all

# The BOOT_JAVAC setup uses the bootdir compiler to compile the tools

# and the bootstrap javac, to be run by the bootdir jvm.

$(eval $(call SetupJavaCompiler,BOOT_JAVAC,\

	JAVAC:=$(JAVAC),\

        FLAGS:=-Xprefer:source -XDignore.symbol.file=true -g,\

        MODE:=SINGLE_THREADED_BATCH))

# Now setup the compilation of the properties compilation tool. You can depend

# upon $(BUILD_TOOLS) to trigger a compilation of the tools. Note that we

# add src/share/classes to the sourcepath. This is necessary since the GenStubs

# program needs to be linked and run towards the new javac sources.

$(eval $(call SetupJavaCompilation,BUILD_TOOLS,\

		SETUP:=BOOT_JAVAC,\

		SRC:=$(LANGTOOLS_TOPDIR)/make/tools $(LANGTOOLS_TOPDIR)/src/share/classes,\

		INCLUDES:=compileproperties genstubs,\

		BIN:=$(LANGTOOLS_OUTPUTDIR)/btclasses))

# The compileprops tools compiles a properties file into a resource bundle.

TOOL_COMPILEPROPS_CMD:=$(JAVA) -cp $(LANGTOOLS_OUTPUTDIR)/btclasses compileproperties.CompileProperties -quiet

# Lookup the properties that need to be compiled into resource bundles.

PROPSOURCES:=$(shell find $(LANGTOOLS_TOPDIR)/src/share/classes -name "*.properties")

# Strip away prefix and suffix, leaving for example only: "com/sun/tools/javac/resources/javac_zh_CN"

PROPPATHS:=$(patsubst $(LANGTOOLS_TOPDIR)/src/share/classes/%.properties,%,$(PROPSOURCES))

# Generate the list of java files to be created.

PROPJAVAS:=$(patsubst %,$(LANGTOOLS_OUTPUTDIR)/gensrc/%.java,$(PROPPATHS))

# Generate the package dirs for the tobe generated java files.

PROPDIRS:=$(dir $(PROPJAVAS))

# Now generate a sequence of "-compile ...javac_zh_CN.properties ...javac_zh_CN.java java.util.ListResourceBundle"

# suitable to be fed into the CompileProperties command.

PROPCMDLINE:=$(subst _SPACE_,$(SPACE),$(join $(addprefix -compile_SPACE_,$(PROPSOURCES)), \

		$(addsuffix _SPACE_java.util.ListResourceBundle,$(addprefix _SPACE_$(LANGTOOLS_OUTPUTDIR)/gensrc/,$(addsuffix .java,$(PROPPATHS))))))

# Now setup the rule for the generation of the resource bundles.

$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d : $(PROPSOURCES) $(BUILD_TOOLS)

	rm -rf $(@D)/*

	mkdir -p $(@D) $(PROPDIRS)

	printf "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties

	printf "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties

	printf "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties

	echo Compiling $(words $(PROPSOURCES) v1 v2 v3) properties into resource bundles

	$(TOOL_COMPILEPROPS_CMD) $(PROPCMDLINE) \

		-compile 	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties \

				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.java \

				java.util.ListResourceBundle \

		-compile 	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties \

				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.java \

				java.util.ListResourceBundle \

		-compile	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties \

				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.java \

				java.util.ListResourceBundle

	echo PROPS_ARE_CREATED=yes > $@

# Trigger the generation of the resource bundles. After the resource bundles have

# been compiled, then the makefile will restart and the newly created java files

# will become part of the build further along in the makefile.

-include $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d

ifeq ($(PROPS_ARE_CREATED),yes)

        # Setup the rules to build a dist/bootstrap/lib/javac.jar, ie a smaller intermediate javac

        # that can be compiled with an old javac. The intermediate javac is then used

        # to compile javac again and to build the complete new jdk.

        $(eval $(call SetupJavaCompilation,BUILD_BOOTSTRAP_LANGTOOLS,\

		SETUP:=BOOT_JAVAC,\

		SRC:=$(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc,\

		EXCLUDES:=com/sun/tools/javac/nio,\

		BIN:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap))

        $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAC,$(BUILD_BOOTSTRAP_LANGTOOLS),\

		SRCS:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap,\

		JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar,\

		JARMAIN:=com.sun.tools.javac.Main))

        $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAH,$(BUILD_BOOTSTRAP_LANGTOOLS),\

		SRCS:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap,\

		JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javah.jar,\

		JARMAIN:=com.sun.tools.javah.Main))

        $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAP,$(BUILD_BOOTSTRAP_LANGTOOLS),\

		SRCS:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap,\

		JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javap.jar,\

		JARMAIN:=com.sun.tools.javap.Main))

        $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVADOC,$(BUILD_BOOTSTRAP_LANGTOOLS),\

		SRCS:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap,\

		JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javadoc.jar,\

		JARMAIN:=com.sun.tools.javadoc.Main))

        # GenStubs is used to bootstrap any dependencies from javac to the new JDK that is not 

        # yet built. It is currently not needed but might be again in the future. The following

        # exercises the functionality to verify that it works.

        TOOL_GENSTUBS_CMD=$(JAVA) \

             "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \

             -cp "$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar$(PATH_SEP)$(LANGTOOLS_OUTPUTDIR)/btclasses" \

             genstubs.GenStubs

        # We fetch source from the JDK...

        JDKS=$(JDK_TOPDIR)/src/share/classes

        # Build the list of classes to generate stubs from. java/util/Objects.java isn't

        # currently needed, but is used as a demo for now.

	 STUBSOURCES:=$(shell $(FIND) $(JDKS) -name "*.java" | $(GREP) \

		    -e "$(JDKS)/java/util/Objects.java")

        # Rewrite the file names into class names because the GenStubs tool require this.

        STUBCLASSES:=$(subst /,.,$(patsubst $(JDKS)/%.java,%,$(STUBSOURCES)))

        # Now setup the build recipe for genstubs.

        $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d : $(STUBSOURCES) $(BUILD_TOOLS) \

				$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \

				$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d

	       	mkdir -p $(@D)

		mkdir -p $(LANGTOOLS_OUTPUTDIR)/tmpstubs

	       	echo Generating stubs from JDK sources.

	       	($(TOOL_GENSTUBS_CMD) -s $(LANGTOOLS_OUTPUTDIR)/tmpstubs -sourcepath $(JDKS) $(STUBCLASSES) && echo STUBS_ARE_CREATED=yes > $@)

		if $(DIFF) -x "_the*" -rq $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(LANGTOOLS_OUTPUTDIR)/genstubs > /dev/null 2>&1; then \

			echo No changes in the stubs!; \

			rm -rf $(LANGTOOLS_OUTPUTDIR)/tmpstubs; \

		else \

			echo Changes in stubs detected!; \

			rm -rf $(@D); \

			mv $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(@D); \

		fi

		echo STUBS_ARE_CREATED=yes > $@

        # Trigger a generation of the genstubs java source code and a restart

        # of the makefile to make sure that the following build setup use the 

        # newly created java files.

        -include $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d

	ifeq ($(STUBS_ARE_CREATED),yes)

                # Setup a compiler configuration using the intermediate javac in dist/bootstrap/lib/javac.jar

                # that generates code for the new jdk that is being built.

                # The code compiled by this compiler setup, cannot necessarily be run with the bootstrap jvm.

                $(eval $(call SetupJavaCompiler,GENERATE_NEWBYTECODE,\

                  JVM:=$(JAVA),\

                  JAVAC:="-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \

			 -jar $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar,\

                  FLAGS:=-Xprefer:source -XDignore.symbol.file=true,\

                  SERVER_DIR:=$(JAVAC_SERVERS),\

                  SERVER_JVM:=$(SERVER_JAVA),\

                  MODE:=$(JAVAC_USE_MODE),\

		  USE_DEPS:=$(JAVAC_USE_DEPS)))

                # javax.tools.JavaCompilerTool isn't really a suffix but this gets the file copied.

		RESOURCE_SUFFIXES:=.gif .xml .css javax.tools.JavaCompilerTool

                $(eval $(call SetupJavaCompilation,BUILD_FULL_JAVAC,\

			SETUP:=GENERATE_NEWBYTECODE,\

			SRC:=$(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc \

			     $(LANGTOOLS_OUTPUTDIR)/genstubs,\

			EXCLUDES:=java/util java/io java/nio,\

			COPY:=$(RESOURCE_SUFFIXES),\

			BIN:=$(LANGTOOLS_OUTPUTDIR)/classes))

                $(eval $(call SetupArchive,ARCHIVE_FULL_JAVAC,$(BUILD_FULL_JAVAC),\

			SETUP:=GENERATE_NEWBYTECODE,\

			SRCS:=$(LANGTOOLS_OUTPUTDIR)/classes,\

			SUFFIXES:=.class $(RESOURCE_SUFFIXES),\

			JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar,\

			HEADERS:=$(LANGTOOLS_OUTPUTDIR)/gensrc_headers))

                $(eval $(call SetupZipArchive,ZIP_FULL_JAVAC_SOURCE,\

			SRC:=$(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc,\

			ZIP:=$(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip))

                all: 		$(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar \

				$(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip \

	                 	$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \

				$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javah.jar \

				$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javap.jar \

				$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javadoc.jar

        endif

endif