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# Copyright 2019 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
from mesonbuild.templates.sampleimpl import SampleImpl
import re
lib_h_template = '''#pragma once
#if defined _WIN32 || defined __CYGWIN__
#ifdef BUILDING_{utoken}
#define {utoken}_PUBLIC __declspec(dllexport)
#else
#define {utoken}_PUBLIC __declspec(dllimport)
#endif
#else
#ifdef BUILDING_{utoken}
#define {utoken}_PUBLIC __attribute__ ((visibility ("default")))
#else
#define {utoken}_PUBLIC
#endif
#endif
int {utoken}_PUBLIC {function_name}();
'''
lib_objcpp_template = '''#import <{header_file}>
/* This function will not be exported and is not
* directly callable by users of this library.
*/
int internal_function() {{
return 0;
}}
int {function_name}() {{
return internal_function();
}}
'''
lib_objcpp_test_template = '''#import <{header_file}>
#import <iostream>
int main(int argc, char **argv) {{
if(argc != 1) {{
std::cout << argv[0] << " takes no arguments." << std::endl;
return 1;
}}
return {function_name}();
}}
'''
lib_objcpp_meson_template = '''project('{project_name}', 'objcpp',
version : '{version}',
default_options : ['warning_level=3'])
# These arguments are only used to build the shared library
# not the executables that use the library.
lib_args = ['-DBUILDING_{utoken}']
shlib = shared_library('{lib_name}', '{source_file}',
install : true,
objcpp_args : lib_args,
gnu_symbol_visibility : 'hidden',
)
test_exe = executable('{test_exe_name}', '{test_source_file}',
link_with : shlib)
test('{test_name}', test_exe)
# Make this library usable as a Meson subproject.
{ltoken}_dep = declare_dependency(
include_directories: include_directories('.'),
link_with : shlib)
# Make this library usable from the system's
# package manager.
install_headers('{header_file}', subdir : '{header_dir}')
pkg_mod = import('pkgconfig')
pkg_mod.generate(
name : '{project_name}',
filebase : '{ltoken}',
description : 'Meson sample project.',
subdirs : '{header_dir}',
libraries : shlib,
version : '{version}',
)
'''
hello_objcpp_template = '''#import <iostream>
#define PROJECT_NAME "{project_name}"
int main(int argc, char **argv) {{
if(argc != 1) {{
std::cout << argv[0] << " takes no arguments." << std::endl;
return 1;
}}
std::cout << "This is project " << PROJECT_NAME << "." << std::endl;
return 0;
}}
'''
hello_objcpp_meson_template = '''project('{project_name}', 'objcpp',
version : '{version}',
default_options : ['warning_level=3'])
exe = executable('{exe_name}', '{source_name}',
install : true)
test('basic', exe)
'''
class ObjCppProject(SampleImpl):
def __init__(self, options):
super().__init__()
self.name = options.name
self.version = options.version
def create_executable(self) -> None:
lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
source_name = lowercase_token + '.mm'
open(source_name, 'w', encoding='utf-8').write(hello_objcpp_template.format(project_name=self.name))
open('meson.build', 'w', encoding='utf-8').write(
hello_objcpp_meson_template.format(project_name=self.name,
exe_name=lowercase_token,
source_name=source_name,
version=self.version))
def create_library(self) -> None:
lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
uppercase_token = lowercase_token.upper()
function_name = lowercase_token[0:3] + '_func'
test_exe_name = lowercase_token + '_test'
lib_h_name = lowercase_token + '.h'
lib_objcpp_name = lowercase_token + '.mm'
test_objcpp_name = lowercase_token + '_test.mm'
kwargs = {'utoken': uppercase_token,
'ltoken': lowercase_token,
'header_dir': lowercase_token,
'function_name': function_name,
'header_file': lib_h_name,
'source_file': lib_objcpp_name,
'test_source_file': test_objcpp_name,
'test_exe_name': test_exe_name,
'project_name': self.name,
'lib_name': lowercase_token,
'test_name': lowercase_token,
'version': self.version,
}
open(lib_h_name, 'w', encoding='utf-8').write(lib_h_template.format(**kwargs))
open(lib_objcpp_name, 'w', encoding='utf-8').write(lib_objcpp_template.format(**kwargs))
open(test_objcpp_name, 'w', encoding='utf-8').write(lib_objcpp_test_template.format(**kwargs))
open('meson.build', 'w', encoding='utf-8').write(lib_objcpp_meson_template.format(**kwargs))
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