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protobuf/upb/cmake/make_cmakelists.py

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#!/usr/bin/python
#
# Protocol Buffers - Google's data interchange format
# Copyright 2023 Google LLC. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Google LLC 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
# OWNER OR 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.
"""A tool to convert {WORKSPACE, BUILD} -> CMakeLists.txt.
This tool is very upb-specific at the moment, and should not be seen as a
generic Bazel -> CMake converter.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import sys
import textwrap
import os
def StripFirstChar(deps):
return [dep[1:] for dep in deps]
def IsSourceFile(name):
return name.endswith(".c") or name.endswith(".cc")
ADD_LIBRARY_FORMAT = """
add_library(%(name)s %(type)s
%(sources)s
)
target_include_directories(%(name)s %(keyword)s
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/..>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../cmake>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINRARY_DIR}>
)
"""
class BuildFileFunctions(object):
def __init__(self, converter):
self.converter = converter
def _add_deps(self, kwargs, keyword=""):
if "deps" not in kwargs:
return
self.converter.toplevel += "target_link_libraries(%s%s\n %s)\n" % (
kwargs["name"],
keyword,
"\n ".join(StripFirstChar(kwargs["deps"]))
)
def load(self, *args):
pass
def cc_library(self, **kwargs):
if kwargs["name"].endswith("amalgamation"):
return
if kwargs["name"] == "upbc_generator":
return
if kwargs["name"] == "lupb":
return
if "testonly" in kwargs:
return
files = kwargs.get("srcs", []) + kwargs.get("hdrs", [])
found_files = []
pregenerated_files = [
"CMakeLists.txt", "descriptor.upb.h", "descriptor.upb.c"
]
for file in files:
if os.path.basename(file) in pregenerated_files:
found_files.append("../cmake/" + file)
else:
found_files.append("../" + file)
if list(filter(IsSourceFile, files)):
# Has sources, make this a normal library.
self.converter.toplevel += ADD_LIBRARY_FORMAT % {
"name": kwargs["name"],
"type": "",
"keyword": "PUBLIC",
"sources": "\n ".join(found_files),
}
self._add_deps(kwargs)
else:
# Header-only library, have to do a couple things differently.
# For some info, see:
# http://mariobadr.com/creating-a-header-only-library-with-cmake.html
self.converter.toplevel += ADD_LIBRARY_FORMAT % {
"name": kwargs["name"],
"type": "INTERFACE",
"keyword": "INTERFACE",
"sources": "",
}
self._add_deps(kwargs, " INTERFACE")
def cc_binary(self, **kwargs):
pass
def cc_test(self, **kwargs):
# Disable this until we properly support upb_proto_library().
# self.converter.toplevel += "add_executable(%s\n %s)\n" % (
# kwargs["name"],
# "\n ".join(kwargs["srcs"])
# )
# self.converter.toplevel += "add_test(NAME %s COMMAND %s)\n" % (
# kwargs["name"],
# kwargs["name"],
# )
# if "data" in kwargs:
# for data_dep in kwargs["data"]:
# self.converter.toplevel += textwrap.dedent("""\
# add_custom_command(
# TARGET %s POST_BUILD
# COMMAND ${CMAKE_COMMAND} -E copy
# ${CMAKE_SOURCE_DIR}/%s
# ${CMAKE_CURRENT_BINARY_DIR}/%s)\n""" % (
# kwargs["name"], data_dep, data_dep
# ))
# self._add_deps(kwargs)
pass
def cc_fuzz_test(self, **kwargs):
pass
def pkg_files(self, **kwargs):
pass
def py_library(self, **kwargs):
pass
def py_binary(self, **kwargs):
pass
def lua_proto_library(self, **kwargs):
pass
def sh_test(self, **kwargs):
pass
def make_shell_script(self, **kwargs):
pass
def exports_files(self, files, **kwargs):
pass
def proto_library(self, **kwargs):
pass
def cc_proto_library(self, **kwargs):
pass
def staleness_test(self, **kwargs):
pass
def upb_amalgamation(self, **kwargs):
pass
def upb_proto_library(self, **kwargs):
pass
def upb_proto_library_copts(self, **kwargs):
pass
def upb_proto_reflection_library(self, **kwargs):
pass
def upb_proto_srcs(self, **kwargs):
pass
def genrule(self, **kwargs):
pass
def config_setting(self, **kwargs):
pass
def upb_fasttable_enabled(self, **kwargs):
pass
def select(self, arg_dict):
return []
def glob(self, *args, **kwargs):
return []
def licenses(self, *args):
pass
def filegroup(self, **kwargs):
pass
def map_dep(self, arg):
return arg
def package_group(self, **kwargs):
pass
def bool_flag(self, **kwargs):
pass
def bootstrap_upb_proto_library(self, **kwargs):
pass
def bootstrap_cc_library(self, **kwargs):
pass
def alias(self, **kwargs):
pass
class WorkspaceFileFunctions(object):
def __init__(self, converter):
self.converter = converter
def load(self, *args, **kwargs):
pass
def workspace(self, **kwargs):
self.converter.prelude += "project(%s)\n" % (kwargs["name"])
self.converter.prelude += "set(CMAKE_C_STANDARD 99)\n"
def maybe(self, rule, **kwargs):
if kwargs["name"] == "utf8_range":
self.converter.utf8_range_commit = kwargs["commit"]
pass
def http_archive(self, **kwargs):
pass
def git_repository(self, **kwargs):
pass
def new_git_repository(self, **kwargs):
pass
def bazel_version_repository(self, **kwargs):
pass
def protobuf_deps(self):
pass
def utf8_range_deps(self):
pass
def pip_parse(self, **kwargs):
pass
def rules_fuzzing_dependencies(self):
pass
def rules_fuzzing_init(self):
pass
def rules_pkg_dependencies(self):
pass
def system_python(self, **kwargs):
pass
def register_system_python(self, **kwargs):
pass
def register_toolchains(self, toolchain):
pass
def python_source_archive(self, **kwargs):
pass
def python_nuget_package(self, **kwargs):
pass
def install_deps(self):
pass
def fuzzing_py_install_deps(self):
pass
def googletest_deps(self):
pass
def local_repository(self, **kwargs):
pass
class Converter(object):
def __init__(self):
self.prelude = ""
self.toplevel = ""
self.if_lua = ""
self.utf8_range_commit = ""
def convert(self):
return self.template % {
"prelude": converter.prelude,
"toplevel": converter.toplevel,
"utf8_range_commit": converter.utf8_range_commit,
}
template = textwrap.dedent("""\
# This file was generated from BUILD using tools/make_cmakelists.py.
cmake_minimum_required(VERSION 3.10...3.24)
%(prelude)s
# Prevent CMake from setting -rdynamic on Linux (!!).
SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
SET(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
# Set default build type.
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "Setting build type to 'RelWithDebInfo' as none was specified.")
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
FORCE)
endif()
# When using Ninja, compiler output won't be colorized without this.
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(-fdiagnostics-color=always SUPPORTS_COLOR_ALWAYS)
if(SUPPORTS_COLOR_ALWAYS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color=always")
endif()
# Implement ASAN/UBSAN options
if(UPB_ENABLE_ASAN)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fsanitize=address")
endif()
if(UPB_ENABLE_UBSAN)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fsanitize=address")
endif()
if(NOT TARGET utf8_range)
if(EXISTS ../external/utf8_range)
# utf8_range is already installed
include_directories(../external/utf8_range)
elseif(EXISTS ../../utf8_range)
include_directories(../../utf8_range)
else()
include(FetchContent)
FetchContent_Declare(
utf8_range
GIT_REPOSITORY "https://github.com/protocolbuffers/utf8_range.git"
GIT_TAG "%(utf8_range_commit)s"
)
FetchContent_GetProperties(utf8_range)
if(NOT utf8_range_POPULATED)
FetchContent_Populate(utf8_range)
include_directories(${utf8_range_SOURCE_DIR})
endif()
endif()
endif()
if(APPLE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -undefined dynamic_lookup -flat_namespace")
elseif(UNIX)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id")
endif()
enable_testing()
%(toplevel)s
""")
data = {}
converter = Converter()
def GetDict(obj):
ret = {}
ret["UPB_DEFAULT_COPTS"] = [] # HACK
ret["UPB_DEFAULT_CPPOPTS"] = [] # HACK
for k in dir(obj):
if not k.startswith("_"):
ret[k] = getattr(obj, k);
return ret
globs = GetDict(converter)
workspace_dict = GetDict(WorkspaceFileFunctions(converter))
# We take all file paths as command-line arguments to ensure that we can find
# each file regardless of how exactly Bazel was invoked.
exec(open(sys.argv[1]).read(), workspace_dict) # workspace_deps.bzl
exec(open(sys.argv[2]).read(), workspace_dict) # WORKSPACE
exec(open(sys.argv[3]).read(), GetDict(BuildFileFunctions(converter))) # BUILD
with open(sys.argv[4], "w") as f:
f.write(converter.convert())