#
# Copyright (c) 2020, 2025, 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 MakeIncludeStart.gmk
ifeq ($(INCLUDE), true)

################################################################################

SCOPED_INPUT_DIR := $(MODULE_SRC)/share/classes/jdk/internal/misc
SCOPED_INPUT := $(SCOPED_INPUT_DIR)/X-ScopedMemoryAccess.java.template
SCOPED_OUTPUT := $(SUPPORT_OUTPUTDIR)/gensrc/java.base/jdk/internal/misc/ScopedMemoryAccess.java

################################################################################
# Helper method to setup generation of scoped snippets.
# Will add the generated snippet file name to SCOPED_SNIPPET_FILES.
#
# arg $1: type for this snippet
define SetupGenScopedSnippets
  $1_SCOPED_SNIPPET_FILE := $$(SCOPED_OUTPUT).snippet.$1

  $1_KEYS := $1 CAS
  ifneq ($$(filter byte, $1),)
    $1_KEYS += byte
  endif
  ifneq ($$(filter float double, $1),)
    $1_KEYS += floatingPoint
  endif
  ifneq ($$(filter char short int long, $1),)
    $1_KEYS += Unaligned
  endif
  ifneq ($$(filter boolean byte char short, $1),)
    $1_KEYS += ShorterThanInt
  endif
  ifeq ($$(filter boolean, $1),)
    $1_KEYS += AtomicAdd
  endif
  ifeq ($$(filter float double, $1),)
    $1_KEYS += Bitwise
  endif

  $$(eval $$(call SetupStreamPreProcessing, GEN_SCOPED_SNIPPET_$1, \
      SOURCE_FILE := $$(SCOPED_INPUT_DIR)/X-ScopedMemoryAccess-bin.java.template, \
      OUTPUT_FILE := $$($1_SCOPED_SNIPPET_FILE), \
      INFO := Generating snippets for ScopedMemoryAccess ($1), \
      SUBST_EMPTY_LINES := false, \
      KEYS := $$($1_KEYS), \
      REPLACEMENTS := \
          type=$1 \
          Type=$$(call Conv, $1, Type), \
  ))
  TARGETS += $$(GEN_SCOPED_SNIPPET_$1)

  SCOPED_SNIPPET_FILES += $$($1_SCOPED_SNIPPET_FILE)
endef

################################################################################
# Setup generation of snippet files, one for each primitive type. This will
# populate SCOPED_SNIPPET_FILES.

# SCOPED_TYPES is identical to PRIMITIVE_TYPES, but with a slightly different
# order. Keep the original SCOPED_TYPES order for now to not change the
# generated file.
SCOPED_TYPES := boolean byte short char int long float double

SCOPED_SNIPPET_FILES :=
$(foreach t, $(SCOPED_TYPES), \
  $(eval $(call SetupGenScopedSnippets,$t)) \
)

# Setup a rule for generating the ScopedMemoryAccess java class by incorporating
# those snippets
$(SCOPED_OUTPUT): $(SCOPED_INPUT) $(SCOPED_SNIPPET_FILES)
	$(call LogInfo, Concatenating snippets for ScopedMemoryAccess.java)
	$(CAT) $(SCOPED_INPUT) > $(SCOPED_OUTPUT).tmp
	$(CAT) $(SCOPED_SNIPPET_FILES) >> $(SCOPED_OUTPUT).tmp
	$(ECHO) "}" >> $(SCOPED_OUTPUT).tmp
	$(MV) $(SCOPED_OUTPUT).tmp $(SCOPED_OUTPUT)

TARGETS += $(SCOPED_OUTPUT)

################################################################################

endif # include guard
include MakeIncludeEnd.gmk