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# SPDX-License-Identifier: Apache-2.0
# Copyright 2019 The Meson development team
# Copyright © 2023-2025 Intel Corporation
from __future__ import annotations
import typing as T
from mesonbuild.templates.sampleimpl import FileImpl
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();
}}
#[cfg(test)]
mod tests {{
use super::*;
#[test]
fn test_function() {{
assert_eq!({function_name}(), 0);
}}
}}
'''
lib_rust_meson_template = '''project('{project_name}', 'rust',
version : '{version}', meson_version: '>=1.3.0',
default_options : ['rust_std=2021', 'warning_level=3'])
rust = import('rust')
shlib = static_library('{lib_name}', '{source_file}', install : true)
rust.test('{test_name}', shlib)
# 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}', meson_version: '>=1.3.0',
default_options : ['rust_std=2021', 'warning_level=3'])
exe = executable('{exe_name}', '{source_name}',
install : true)
test('basic', exe)
'''
class RustProject(FileImpl):
source_ext = 'rs'
exe_template = hello_rust_template
exe_meson_template = hello_rust_meson_template
lib_template = lib_rust_template
lib_test_template = None
lib_meson_template = lib_rust_meson_template
def lib_kwargs(self) -> T.Dict[str, str]:
kwargs = super().lib_kwargs()
kwargs['crate_file'] = self.lowercase_token
return kwargs
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