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113 lines
3.8 KiB
113 lines
3.8 KiB
5 years ago
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# Copyright 2019 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from mesonbuild.templates.sampleimpl import SampleImpl
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import re
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lib_rust_template = '''#![crate_name = "{crate_file}"]
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/* This function will not be exported and is not
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* directly callable by users of this library.
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*/
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fn internal_function() -> i32 {{
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return 0;
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}}
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pub fn {function_name}() -> i32 {{
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return internal_function();
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}}
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'''
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lib_rust_test_template = '''extern crate {crate_file};
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fn main() {{
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println!("printing: {{}}", {crate_file}::{function_name}());
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}}
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'''
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lib_rust_meson_template = '''project('{project_name}', 'rust',
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version : '{version}',
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default_options : ['warning_level=3'])
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shlib = static_library('{lib_name}', '{source_file}', install : true)
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test_exe = executable('{test_exe_name}', '{test_source_file}',
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link_with : shlib)
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test('{test_name}', test_exe)
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# Make this library usable as a Meson subproject.
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{ltoken}_dep = declare_dependency(
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include_directories: include_directories('.'),
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link_with : shlib)
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'''
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hello_rust_template = '''
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fn main() {{
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let project_name = "{project_name}";
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println!("This is project {{}}.\\n", project_name);
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}}
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'''
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hello_rust_meson_template = '''project('{project_name}', 'rust',
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version : '{version}',
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default_options : ['warning_level=3'])
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exe = executable('{exe_name}', '{source_name}',
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install : true)
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test('basic', exe)
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'''
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class RustProject(SampleImpl):
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def __init__(self, options):
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super().__init__()
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self.name = options.name
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self.version = options.version
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def create_executable(self):
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lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
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source_name = lowercase_token + '.rs'
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open(source_name, 'w').write(hello_rust_template.format(project_name=self.name))
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open('meson.build', 'w').write(hello_rust_meson_template.format(project_name=self.name,
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exe_name=lowercase_token,
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source_name=source_name,
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version=self.version))
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def create_library(self):
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lowercase_token = re.sub(r'[^a-z0-9]', '_', self.name.lower())
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uppercase_token = lowercase_token.upper()
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function_name = lowercase_token[0:3] + '_func'
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test_exe_name = lowercase_token + '_test'
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lib_crate_name = lowercase_token
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lib_rs_name = lowercase_token + '.rs'
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test_rs_name = lowercase_token + '_test.rs'
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kwargs = {'utoken': uppercase_token,
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'ltoken': lowercase_token,
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'header_dir': lowercase_token,
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'function_name': function_name,
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'crate_file': lib_crate_name,
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'source_file': lib_rs_name,
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'test_source_file': test_rs_name,
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'test_exe_name': test_exe_name,
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'project_name': self.name,
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'lib_name': lowercase_token,
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'test_name': lowercase_token,
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'version': self.version,
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}
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open(lib_rs_name, 'w').write(lib_rust_template.format(**kwargs))
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open(test_rs_name, 'w').write(lib_rust_test_template.format(**kwargs))
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open('meson.build', 'w').write(lib_rust_meson_template.format(**kwargs))
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