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#!/usr/bin/env python3
#
# Copyright (C) 2022 Igalia S.L.
#
# 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.
import re
import subprocess
import sys
API_SINGLE_HEADER_CHECK = {
"gtk4": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <webkit/webkit.h> can be included directly.\"
#endif''',
"gtk": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <webkit2/webkit2.h> can be included directly.\"
#endif''',
"wpe2": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <wpe/webkit.h> can be included directly.\"
#endif''',
"wpe": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <wpe/webkit.h> can be included directly.\"
#endif'''
}
INJECTED_BUNDLE_API_SINGLE_HEADER_CHECK = {
"gtk4": '''#if !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <webkit/webkit-web-process-extension.h> can be included directly.\"
#endif''',
"gtk": '''#if !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <webkit2/webkit-web-extension.h> can be included directly.\"
#endif''',
"wpe2": '''#if !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <wpe/webkit-web-process-extension.h> can be included directly.\"
#endif''',
"wpe": '''#if !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <wpe/webkit-web-extension.h> can be included directly.\"
#endif'''
}
SHARED_API_SINGLE_HEADER_CHECK = {
"gtk4": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <webkit/webkit.h> can be included directly.\"
#endif''',
"gtk": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <webkit2/webkit2.h> can be included directly.\"
#endif''',
"wpe2": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <wpe/webkit.h> can be included directly.\"
#endif''',
"wpe": '''#if !defined(__WEBKIT_H_INSIDE__) && !defined(__WEBKIT_WEB_PROCESS_EXTENSION_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error \"Only <wpe/webkit.h> can be included directly.\"
#endif'''
}
API_INCLUDE_PREFIX = {
"gtk4": "webkit",
"gtk": "webkit",
"wpe2": "wpe",
"wpe": "wpe"
}
def expand_ifdefs(line):
s = re.sub(r"(ENABLE|USE)\(([A-Z0-9_]+)\)", r"(defined(\1_\2) && \1_\2)", line)
return re.sub(r"(PLATFORM)\(([A-Z0-9_]+)\)", r"(defined(WTF_\1_\2) && WTF_\1_\2)", s)
def main(args):
port = args[0].lower()
input = args[1]
output = args[2]
unifdef = args[3]
unifdef_args = args[4:]
if port == "gtk" and "-DUSE_GTK4=1" in unifdef_args:
port = "gtk4"
if port == "wpe" and "-DENABLE_2022_GLIB_API=1" in unifdef_args:
port = "wpe2"
input_data = ""
with open(input, "r", encoding="utf-8") as fd:
for line in fd.readlines():
if line[0] == "@":
if line == "@API_SINGLE_HEADER_CHECK@\n":
input_data += API_SINGLE_HEADER_CHECK[port] + "\n"
elif line == "@INJECTED_BUNDLE_API_SINGLE_HEADER_CHECK@\n":
input_data += INJECTED_BUNDLE_API_SINGLE_HEADER_CHECK[port] + "\n"
elif line == "@SHARED_API_SINGLE_HEADER_CHECK@\n":
input_data += SHARED_API_SINGLE_HEADER_CHECK[port] + "\n"
elif line.startswith("#include <@"):
input_data += line.replace("@API_INCLUDE_PREFIX@", API_INCLUDE_PREFIX[port])
else:
input_data += expand_ifdefs(line)
command = [unifdef, "-x1", "-o%s" % output] + unifdef_args + ["-"]
p = subprocess.Popen(command, stdin=subprocess.PIPE, universal_newlines=True, encoding="utf-8")
p.communicate(input_data)
# unifdef returns 1 when no changes were made and output file is unmodified.
if p.returncode != 0:
with open(output, "w", encoding="utf-8") as fd:
fd.write(input_data)
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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