# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
#
# This file is part of the Collabora Office project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
#   Licensed to the Apache Software Foundation (ASF) under one or more
#   contributor license agreements. See the NOTICE file distributed
#   with this work for additional information regarding copyright
#   ownership. The ASF licenses this file to you 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 .
#

gb_JavaClassSet_JAVACCOMMAND = $(ICECREAM_RUN) $(JAVACOMPILER) $(JAVACFLAGS) \
    -encoding utf8 \
    $(if $(MODULAR_JAVA),--release $(1),-source $(1) -target $(1)) \
    -Xlint:-options \
    -Xlint:unchecked

# Enforces correct dependency order for possibly generated stuff:
# generated sources, jars/classdirs etc.
gb_JavaClassSet_get_preparation_target = $(WORKDIR)/JavaClassSet/$(1).prepared

gb_JavaClassSet_JAVACDEBUG := -g

# $(PACKAGEDIRS) inherited from Jar -- assumption is the last part of the path
# is top-level java package directory
# for Java 9 modules, invoke javac another time, with --patch-module so that
# it finds all the class files for whose packages the module-info contains a
# declaration
define gb_JavaClassSet__command
$(call gb_Helper_abbreviate_dirs,\
	mkdir -p $(dir $(1)) && \
	$(if $(filter-out $(JARDEPS),$(4)), \
		rm -rf $(call gb_JavaClassSet_get_classdir,$(2))/* && \
		RESPONSEFILE=$(call gb_var2file,$(call gb_TmpFile,$(1)),\
			$(filter-out $(JARDEPS) $(T_JAVA9FILES),$(4))) && \
		$(if $(3),$(call gb_JavaClassSet_JAVACCOMMAND,$(JAVA_TARGET_VER)) \
			$(if $(call gb_target_symbols_enabled,$(2)),$(gb_JavaClassSet_JAVACDEBUG)) \
			-classpath "$(T_CP)$(gb_CLASSPATHSEP)$(call gb_JavaClassSet_get_classdir,$(2))" \
			-d $(call gb_JavaClassSet_get_classdir,$(2)) \
			@$$RESPONSEFILE &&) \
		rm -f $$RESPONSEFILE &&) \
		$(if $(MODULAR_JAVA),$(if $(T_MODULENAME),\
			RESPONSEFILE=$(call gb_var2file,$(call gb_TmpFile,$(1).java9),\
				$(T_JAVA9FILES)) && \
			$(if $(3),$(call gb_JavaClassSet_JAVACCOMMAND,9) \
				$(if $(call gb_target_symbols_enabled,$(2)),$(gb_JavaClassSet_JAVACDEBUG)) \
				-classpath "$(T_CP)$(gb_CLASSPATHSEP)$(call gb_JavaClassSet_get_classdir,$(2))" \
				--module-path "$(T_CP)$(gb_CLASSPATHSEP)$(call gb_JavaClassSet_get_classdir,$(2))" \
				$(if $(T_MODULENAME),--patch-module $(T_MODULENAME)="$(subst $(WHITESPACE),$(gb_CLASSPATHSEP),$(strip $(dir $(PACKAGEDIRS))))") \
				-d $(call gb_JavaClassSet_get_classdir,$(2)) \
				@$$RESPONSEFILE &&) \
			rm -f $$RESPONSEFILE &&)) \
	touch $(1))

endef

$(call gb_JavaClassSet_get_target,%) :
	$(call gb_Output_announce,$*,$(true),JCS,3)
	$(call gb_Trace_StartRange,$*,JCS)
	$(call gb_JavaClassSet__command,$@,$*,$?,$^)
	$(call gb_Trace_EndRange,$*,JCS)

$(call gb_JavaClassSet_get_clean_target,%) :
	$(call gb_Output_announce,$*,$(false),JCS,3)
	$(call gb_Helper_abbreviate_dirs,\
		rm -rf $(dir $(call gb_JavaClassSet_get_target,$*))) \
			$(call gb_JavaClassSet_get_preparation_target,$*)

$(call gb_JavaClassSet_get_preparation_target,%) :
	mkdir -p $(dir $@) && touch $@

# depend on makefile to enforce a rebuild if files are removed from the classset
# call gb_JavaClassSet_JavaClassSet,csname,java9modulename
define gb_JavaClassSet_JavaClassSet
$(call gb_JavaClassSet_get_target,$(1)) : \
	$(gb_Module_CURRENTMAKEFILE) \
	$(call gb_JavaClassSet_get_preparation_target,$(1))
$(call gb_JavaClassSet_get_target,$(1)) : JARDEPS := \
	$(gb_Module_CURRENTMAKEFILE) \
	$(call gb_JavaClassSet_get_preparation_target,$(1))
$(call gb_JavaClassSet_get_target,$(1)) : T_MODULENAME := $(2)
$(call gb_JavaClassSet_get_target,$(1)) : T_JAVA9FILES :=

endef

define gb_JavaClassSet__get_sourcefile
$(SRCDIR)/$(1).java
endef

define gb_JavaClassSet__get_generated_sourcefile
$(WORKDIR)/$(1).java
endef

define gb_JavaClassSet_add_sourcefile
$(call gb_JavaClassSet_get_target,$(1)) : $(call gb_JavaClassSet__get_sourcefile,$(2))

endef

define gb_JavaClassSet_add_sourcefiles
$(foreach sourcefile,$(2),$(call gb_JavaClassSet_add_sourcefile,$(1),$(sourcefile)))

endef

define gb_JavaClassSet_add_sourcefile_java9
$(call gb_JavaClassSet_get_target,$(1)) : $(call gb_JavaClassSet__get_sourcefile,$(2))
$(call gb_JavaClassSet_get_target,$(1)) : T_JAVA9FILES += $(call gb_JavaClassSet__get_sourcefile,$(2))

endef

define gb_JavaClassSet_add_sourcefiles_java9
$(foreach sourcefile,$(2),$(call gb_JavaClassSet_add_sourcefile_java9,$(1),$(sourcefile)))

endef

define gb_JavaClassSet_add_generated_sourcefile
$(call gb_JavaClassSet_get_target,$(1)) : $(call gb_JavaClassSet__get_generated_sourcefile,$(2))
$(call gb_JavaClassSet__get_generated_sourcefile,$(2)) :| $(call gb_JavaClassSet_get_preparation_target,$(1))

endef

define gb_JavaClassSet_add_generated_sourcefiles
$(foreach sourcefile,$(2),$(call gb_JavaClassSet_add_generated_sourcefile,$(1),$(sourcefile)))

endef

define gb_JavaClassSet_add_classpath
$(call gb_JavaClassSet_get_target,$(1)) : T_CP := $$(if $$(T_CP),$$(T_CP)$$(gb_CLASSPATHSEP))$(strip $(2))

endef

define gb_JavaClassSet_use_jar
ifneq (,$$(filter-out $(gb_Jar_KNOWN),$(2)))
$$(eval $$(call gb_Output_info,currently known jars are: $(sort $(gb_Jar_KNOWN)),ALL))
$$(eval $$(call gb_Output_error,Cannot link against jar $$(filter-out $(gb_Jar_KNOWN),$(2)). Jars must be registered in Repository.mk or RepositoryExternal.mk))
endif
$(call gb_JavaClassSet_get_target,$(1)) : $(call gb_Jar_get_target,$(2))
$(call gb_JavaClassSet_get_target,$(1)) : JARDEPS += $(call gb_Jar_get_target,$(2))
$(call gb_JavaClassSet_add_classpath,$(1),$(call gb_Jar_get_target,$(2)))

endef

# this does not generate dependency on the jar
define gb_JavaClassSet_use_system_jar
$(call gb_JavaClassSet_add_classpath,$(1),$(2))

endef

define gb_JavaClassSet_use_jars
$(foreach jar,$(2),$(call gb_JavaClassSet_use_jar,$(1),$(jar)))

endef

define gb_JavaClassSet_use_system_jars
$(foreach jar,$(2),$(call gb_JavaClassSet_use_system_jar,$(1),$(jar)))

endef

# gb_JavaClassSet_use_jar_classset: Like gb_JavaClassSet_use_jar, but instead of
# using the jar, use the directory tree with the class files that make up the
# jar.  This is sometimes necessary in JunitTests that have test classes in
# packages that belong to a sealed jar.
# $1: token identifying this JavaClassSet
# $2: token identifying the Jar being used
define gb_JavaClassSet_use_jar_classset
$(call gb_JavaClassSet_get_target,$(1)) : $(call gb_Jar_get_target,$(2))
$(call gb_JavaClassSet_get_target,$(1)) : JARDEPS += $(call gb_Jar_get_target,$(2))
$(call gb_JavaClassSet_add_classpath,$(1),$(call gb_JavaClassSet_get_classdir,$(call gb_Jar_get_classsetname,$(2))))

endef

define gb_JavaClassSet_use_customtarget
$(call gb_JavaClassSet_get_preparation_target,$(1)) : \
	$(call gb_CustomTarget_get_target,$(2))
$(call gb_JavaClassSet_add_classpath,$(1),$(gb_CustomTarget_workdir)/$(2))

endef

define gb_JavaClassSet_use_external_project
$(call gb_JavaClassSet_get_preparation_target,$(1)) : \
	$(call gb_ExternalProject_get_target,$(2))

endef

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