Source/JavaScriptCore/Scripts/postprocess-header-rule

#!/bin/bash
#
# Copyright (C) 2014-2019 Apple Inc. All rights reserved.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
#

if [[ -z "${SCRIPT_HEADER_VISIBILITY}" ]]; then
    exit 0
fi

if [[ "${JSC_FRAMEWORK_HEADER_POSTPROCESSING_DISABLED}" == "YES" ]]; then
    ditto "${SCRIPT_INPUT_FILE}" "${SCRIPT_OUTPUT_FILE_0}"
    exit 0
fi

function process_definitions () {
    local DEFINITIONS_FILE=$1

    if [[ ! -f "${DEFINITIONS_FILE}" ]]; then
        return 1
    fi

    source "${DEFINITIONS_FILE}"
}

function rewrite_headers () {
    local SOURCE_FILE="${1}"
    local WORK_FILE="${2}.tmp"
    local DEST_FILE="${2}"

    if [[ "${PLATFORM_NAME}" == "macosx" ]]; then
        [[ -n ${OSX_VERSION} ]] || OSX_VERSION=${MACOSX_DEPLOYMENT_TARGET}
        [[ -n ${IOS_VERSION} ]] || IOS_VERSION="NA"
        [[ -n ${OSX_VERSION_NUMBER} ]] || OSX_VERSION_NUMBER=${TARGET_MAC_OS_X_VERSION_MAJOR}
        [[ -n ${IOS_VERSION_NUMBER} ]] || IOS_VERSION_NUMBER="0"
    elif [[ "${PLATFORM_NAME}" =~ "iphone" ]]; then
        [[ -n ${IOS_VERSION} ]] || IOS_VERSION=${IPHONEOS_DEPLOYMENT_TARGET}
        [[ -n ${OSX_VERSION} ]] || OSX_VERSION="NA"
        [[ -n ${OSX_VERSION_NUMBER} ]] || OSX_VERSION_NUMBER="0"
        [[ -n ${IOS_VERSION_NUMBER} ]] || IOS_VERSION_NUMBER=${SDK_VERSION_MAJOR}
    fi

    SED_OPTIONS=(
    )

    if [[ -n "$OSX_VERSION" && -n "$IOS_VERSION" ]]; then
        SED_OPTIONS+=(
            -e s/JSC_MAC_TBA/${OSX_VERSION}/g
            -e s/JSC_IOS_TBA/${IOS_VERSION}/g
            -e s/JSC_MAC_VERSION_TBA/${OSX_VERSION_NUMBER}/g
            -e s/JSC_IOS_VERSION_TBA/${IOS_VERSION_NUMBER}/g
            -e s/JSC_API_AVAILABLE/API_AVAILABLE/
            -e s/JSC_API_DEPRECATED/API_DEPRECATED/
            -e "s/^JSC_CLASS_AVAILABLE/JS_EXPORT API_AVAILABLE/"
            -e "s/^JSC_CLASS_DEPRECATED/JS_EXPORT API_DEPRECATED/"
        )
    else
        SED_OPTIONS+=(
            -e 's/JSC_(API_|CLASS_)AVAILABLE\(.*\)\s*\)//g'
            -e 's/JSC_(API_|CLASS_)DEPRECATED(_WITH_REPLACEMENT)?\(.*\)\s*\)//g'
            -e 's/JSC_(MAC|IOS)_VERSION_TBA/0/g'
        )
    fi

    SED_OPTIONS+=(${OTHER_SED_OPTIONS[*]})

    sed -E "${SED_OPTIONS[@]}" "${SOURCE_FILE}" > "${WORK_FILE}" || exit $?
    cmp -s "${WORK_FILE}" "${DEST_FILE}" && rm -f "${WORK_FILE}" || mv "${WORK_FILE}" "${DEST_FILE}"
    [[ "${SOURCE_FILE}" -nt "${DEST_FILE}" ]] && touch "${DEST_FILE}" || true
}

DEFINITIONS_PATH=usr/local/include/WebKitAdditions/Scripts/postprocess-framework-headers-definitions

process_definitions "${BUILT_PRODUCTS_DIR}/${DEFINITIONS_PATH}" || process_definitions "${SDKROOT}/${DEFINITIONS_PATH}"

rewrite_headers "${SCRIPT_INPUT_FILE}" "${SCRIPT_OUTPUT_FILE_0}"