# 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 import re from mesonbuild.templates.sampleimpl import SampleImpl lib_rust_template = '''#![crate_name = "{crate_file}"] /* This function will not be exported and is not * directly callable by users of this library. */ fn internal_function() -> i32 {{ return 0; }} pub fn {function_name}() -> i32 {{ return internal_function(); }} ''' lib_rust_test_template = '''extern crate {crate_file}; fn main() {{ println!("printing: {{}}", {crate_file}::{function_name}()); }} ''' lib_rust_meson_template = '''project('{project_name}', 'rust', version : '{version}', default_options : ['warning_level=3']) shlib = static_library('{lib_name}', '{source_file}', install : true) 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) ''' hello_rust_template = ''' fn main() {{ let project_name = "{project_name}"; println!("This is project {{}}.\\n", project_name); }} ''' hello_rust_meson_template = '''project('{project_name}', 'rust', version : '{version}', default_options : ['warning_level=3']) exe = executable('{exe_name}', '{source_name}', install : true) test('basic', exe) ''' class RustProject(SampleImpl): def create_executable(self) -> None: lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower()) source_name = lowercase_token + '.rs' open(source_name, 'w', encoding='utf-8').write(hello_rust_template.format(project_name=self.name)) open('meson.build', 'w', encoding='utf-8').write( hello_rust_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_crate_name = lowercase_token lib_rs_name = lowercase_token + '.rs' test_rs_name = lowercase_token + '_test.rs' kwargs = {'utoken': uppercase_token, 'ltoken': lowercase_token, 'header_dir': lowercase_token, 'function_name': function_name, 'crate_file': lib_crate_name, 'source_file': lib_rs_name, 'test_source_file': test_rs_name, 'test_exe_name': test_exe_name, 'project_name': self.name, 'lib_name': lowercase_token, 'test_name': lowercase_token, 'version': self.version, } open(lib_rs_name, 'w', encoding='utf-8').write(lib_rust_template.format(**kwargs)) open(test_rs_name, 'w', encoding='utf-8').write(lib_rust_test_template.format(**kwargs)) open('meson.build', 'w', encoding='utf-8').write(lib_rust_meson_template.format(**kwargs))