# Copyright (C) 2006-2020 Apple Inc. All rights reserved.
# Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1.  Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer. 
# 2.  Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution. 
# 3.  Neither the name of Apple Inc. ("Apple") nor the names of
#     its contributors may be used to endorse or promote products derived
#     from this software without specific prior written permission. 
#
# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PERL = perl

ifneq ($(SDKROOT),)
    SDK_FLAGS = -isysroot $(SDKROOT)
endif

ifeq ($(USE_LLVM_TARGET_TRIPLES_FOR_CLANG),YES)
    WK_CURRENT_ARCH = $(word 1, $(ARCHS))
    TARGET_TRIPLE_FLAGS = -target $(WK_CURRENT_ARCH)-$(LLVM_TARGET_TRIPLE_VENDOR)-$(LLVM_TARGET_TRIPLE_OS_VERSION)$(LLVM_TARGET_TRIPLE_SUFFIX)
endif

FRAMEWORK_FLAGS := $(shell echo $(BUILT_PRODUCTS_DIR) $(FRAMEWORK_SEARCH_PATHS) $(SYSTEM_FRAMEWORK_SEARCH_PATHS) | $(PERL) -e 'print "-F " . join(" -F ", split(" ", <>));')
HEADER_FLAGS := $(shell echo $(BUILT_PRODUCTS_DIR) $(HEADER_SEARCH_PATHS) $(SYSTEM_HEADER_SEARCH_PATHS) | $(PERL) -e 'print "-I" . join(" -I", split(" ", <>));')
FEATURE_AND_PLATFORM_DEFINES := $(shell $(CC) -std=gnu++1z -x c++ -E -P -dM $(SDK_FLAGS) $(TARGET_TRIPLE_FLAGS) $(FRAMEWORK_FLAGS) $(HEADER_FLAGS) -include "wtf/Platform.h" /dev/null | $(PERL) -ne "print if s/\#define ((HAVE_|USE_|ENABLE_|WTF_PLATFORM_)\w+) 1/\1/")

# --------

VPATH = DOM $(BUILT_PRODUCTS_DIR)/DerivedSources/WebKitLegacy/WebCorePrivateHeaders

PRIVATE_HEADERS_DIR = $(BUILT_PRODUCTS_DIR)/$(PRIVATE_HEADERS_FOLDER_PATH)

HEADERS = \
    $(PRIVATE_HEADERS_DIR)/WebKitAvailability.h \
    $(PRIVATE_HEADERS_DIR)/WebScriptObject.h \
#

ifneq ($(WK_PLATFORM_NAME), macosx)
HEADERS += \
    $(PRIVATE_HEADERS_DIR)/AbstractPasteboard.h \
    $(PRIVATE_HEADERS_DIR)/KeyEventCodesIOS.h \
    $(PRIVATE_HEADERS_DIR)/WAKAppKitStubs.h \
    $(PRIVATE_HEADERS_DIR)/WAKResponder.h \
    $(PRIVATE_HEADERS_DIR)/WAKView.h \
    $(PRIVATE_HEADERS_DIR)/WAKWindow.h \
    $(PRIVATE_HEADERS_DIR)/WKContentObservation.h \
    $(PRIVATE_HEADERS_DIR)/WKGraphics.h \
    $(PRIVATE_HEADERS_DIR)/WKTypes.h \
    $(PRIVATE_HEADERS_DIR)/WebCoreThread.h \
    $(PRIVATE_HEADERS_DIR)/WebCoreThreadMessage.h \
    $(PRIVATE_HEADERS_DIR)/WebCoreThreadRun.h \
    $(PRIVATE_HEADERS_DIR)/WebEvent.h \
    $(PRIVATE_HEADERS_DIR)/WebItemProviderPasteboard.h \
#
endif

ifeq ($(findstring ENABLE_IOS_TOUCH_EVENTS, $(FEATURE_AND_PLATFORM_DEFINES)), ENABLE_IOS_TOUCH_EVENTS)
HEADERS += \
    $(PRIVATE_HEADERS_DIR)/WebEventRegion.h
endif

.PHONY : migrate_headers
migrate_headers : $(HEADERS)

WEBCORE_HEADER_REPLACE_RULES = -e 's/<WebCore\//<WebKitLegacy\//' -e "s/(^ *)WEBCORE_EXPORT /\1/"
WEBCORE_HEADER_MIGRATE_CMD = sed -E $(WEBCORE_HEADER_REPLACE_RULES) $< > $@; touch $(PRIVATE_HEADERS_DIR)

$(PRIVATE_HEADERS_DIR)/% : % MigrateHeaders.make
	$(WEBCORE_HEADER_MIGRATE_CMD)

ifneq ($(WK_PLATFORM_NAME), macosx)

REEXPORT_FILE = $(BUILT_PRODUCTS_DIR)/DerivedSources/WebKitLegacy/ReexportedWebCoreSymbols_$(WK_CURRENT_ARCH).exp
REEXPORT_FILE_TIMESTAMP = $(BUILT_PRODUCTS_DIR)/DerivedSources/WebKitLegacy/ReexportedWebCoreSymbols.timestamp

.PHONY : reexport_headers
reexport_headers : $(REEXPORT_FILE)

TAPI_PATH := $(strip $(shell xcrun --find tapi 2>/dev/null))

$(REEXPORT_FILE) : $(HEADERS)
	$(TAPI_PATH) reexport -target $(WK_CURRENT_ARCH)-$(LLVM_TARGET_TRIPLE_VENDOR)-$(LLVM_TARGET_TRIPLE_OS_VERSION)$(LLVM_TARGET_TRIPLE_SUFFIX) -isysroot $(SDK_DIR) $(HEADER_FLAGS) $(FRAMEWORK_FLAGS) $^ -o $@
	touch $(REEXPORT_FILE_TIMESTAMP)

else

.PHONY : reexport_headers
reexport_headers :

endif