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meson/mesonbuild/modules/unstable_rust.py

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modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
# Copyright © 2020 Intel Corporation
# 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.
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
import os
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
import typing as T
from . import ExtensionModule, ModuleReturnValue
from .. import mlog
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
from ..build import BuildTarget, CustomTargetIndex, Executable, GeneratedList, InvalidArguments, IncludeDirs, CustomTarget
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
from ..interpreter.interpreter import TEST_KWARGS
from ..interpreter.interpreterobjects import (
BuildTargetHolder,
CustomTargetHolder,
DependencyHolder,
ExecutableHolder,
ExternalLibraryHolder,
)
from ..interpreterbase import ContainerTypeInfo, InterpreterException, KwargInfo, permittedKwargs, FeatureNew, typed_kwargs, typed_pos_args, noPosargs
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
from ..mesonlib import stringlistify, unholder, listify, typeslistify, File
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
if T.TYPE_CHECKING:
Simplify module API - ModuleState is now a real class that will have methods in the future for actions modules needs, instead of using interpreter internal API. - New ModuleObject base class, similar to InterpreterObject, that should be used by all objects returned by modules. Its methods gets the ModuleState passed as first argument. It has a `methods` dictionary to define what is public API that can be called from build definition. - Method return value is not required to be a ModuleReturnValue any more, it can be any type that interpreter can holderify, including ModuleObject. - Legacy module API is maintained until we port all modules. In the future modules should be updated: - Use methods dict. - Remove snippets. - Custom objects returned by modules should all be subclass of ModuleObject to get the state iface in their methods. - Modules should never call into interpreter directly and instead state object should have wrapper API. - Stop using ModuleReturnValue in methods that just return simple objects like strings. Possibly remove ModuleReturnValue completely since all objects that needs to be processed by interpreter (e.g. CustomTarget) should be created through ModuleState API.
4 years ago
from . import ModuleState
from ..interpreter import Interpreter
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
from ..interpreter import kwargs as _kwargs
interpreter: Add docstring and fix types of source_strings_to_files
4 years ago
from ..interpreter.interpreter import SourceOutputs
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
from ..programs import ExternalProgram
class FuncTest(_kwargs.BaseTest):
dependencies: T.List[T.Union[DependencyHolder, ExternalLibraryHolder]]
is_parallel: bool
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
class RustModule(ExtensionModule):
"""A module that holds helper functions for rust."""
@FeatureNew('rust module', '0.57.0')
def __init__(self, interpreter: 'Interpreter') -> None:
super().__init__(interpreter)
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
self._bindgen_bin: T.Optional['ExternalProgram'] = None
modules: Add methods dict everywhere This fix calling random internal methods from meson.build as long as they were not prefixed by underscore.
4 years ago
self.methods.update({
'test': self.test,
'bindgen': self.bindgen,
})
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
modules/rust: use typed_pos_args
4 years ago
@typed_pos_args('rust.test', str, BuildTargetHolder)
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
@typed_kwargs(
'rust.test',
*TEST_KWARGS,
KwargInfo('is_parallel', bool, default=False),
KwargInfo(
'dependencies',
ContainerTypeInfo(list, (DependencyHolder, ExternalLibraryHolder)),
listify=True,
default=[]),
)
def test(self, state: 'ModuleState', args: T.Tuple[str, BuildTargetHolder], kwargs: 'FuncTest') -> ModuleReturnValue:
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
"""Generate a rust test target from a given rust target.
Rust puts it's unitests inside it's main source files, unlike most
languages that put them in external files. This means that normally
Fix misspells Signed-off-by: Antonin Décimo <antonin.decimo@gmail.com>
4 years ago
you have to define two separate targets with basically the same
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
arguments to get tests:
```meson
rust_lib_sources = [...]
rust_lib = static_library(
'rust_lib',
rust_lib_sources,
)
rust_lib_test = executable(
'rust_lib_test',
rust_lib_sources,
rust_args : ['--test'],
)
test(
'rust_lib_test',
rust_lib_test,
protocol : 'rust',
)
```
This is all fine, but not very DRY. This method makes it much easier
to define rust tests:
```meson
rust = import('unstable-rust')
rust_lib = static_library(
'rust_lib',
[sources],
)
rust.test('rust_lib_test', rust_lib)
```
"""
modules/rust: use typed_pos_args
4 years ago
name = args[0]
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
base_target: BuildTarget = unholder(args[1])
Replace NinjaBackend is_rust_target with build.uses_rust we have two functions to do the exact same thing, and they're basically implemented the same way. Instead, let's just use the BuildTarget one, as it's more generally available.
4 years ago
if not base_target.uses_rust():
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
raise InterpreterException('Second positional argument to rustmod.test() must be a rust based target')
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
extra_args = kwargs['args']
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
# Delete any arguments we don't want passed
if '--test' in extra_args:
mlog.warning('Do not add --test to rustmod.test arguments')
extra_args.remove('--test')
if '--format' in extra_args:
mlog.warning('Do not add --format to rustmod.test arguments')
i = extra_args.index('--format')
# Also delete the argument to --format
del extra_args[i + 1]
del extra_args[i]
for i, a in enumerate(extra_args):
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
if isinstance(a, str) and a.startswith('--format='):
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
del extra_args[i]
break
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
dependencies = [d.held_object for d in kwargs['dependencies']]
# We need to cast here, as currently these don't have protocol in them, but test itself does.
tkwargs = T.cast('_kwargs.FuncTest', kwargs.copy())
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
tkwargs['args'] = extra_args + ['--test', '--format', 'pretty']
tkwargs['protocol'] = 'rust'
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
new_target_kwargs = base_target.kwargs.copy()
# Don't mutate the shallow copied list, instead replace it with a new
# one
new_target_kwargs['rust_args'] = new_target_kwargs.get('rust_args', []) + ['--test']
new_target_kwargs['install'] = False
new_target_kwargs['dependencies'] = new_target_kwargs.get('dependencies', []) + dependencies
new_target = Executable(
name, base_target.subdir, state.subproject,
base_target.for_machine, base_target.sources,
base_target.objects, base_target.environment,
new_target_kwargs
)
e = ExecutableHolder(new_target, self.interpreter)
test = self.interpreter.make_test(
interpreter: use typed_*args for test and benchmark this also requires some changes to the Rust module, as it calls into the test code.
4 years ago
self.interpreter.current_node, (name, e), tkwargs)
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
modules: Stop using ModuleReturnValue where it's not needed It is only needed in functions that need to add targets to the interpreter.
4 years ago
return ModuleReturnValue(None, [e, test])
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
@noPosargs
@permittedKwargs({'input', 'output', 'include_directories', 'c_args', 'args'})
def bindgen(self, state: 'ModuleState', args: T.List, kwargs: T.Dict[str, T.Any]) -> ModuleReturnValue:
"""Wrapper around bindgen to simplify it's use.
The main thing this simplifies is the use of `include_directory`
objects, instead of having to pass a plethora of `-I` arguments.
"""
interpreter: Add docstring and fix types of source_strings_to_files
4 years ago
header: 'SourceOutputs'
_deps: T.Sequence['SourceOutputs']
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
try:
header, *_deps = unholder(self.interpreter.source_strings_to_files(listify(kwargs['input'])))
except KeyError:
raise InvalidArguments('rustmod.bindgen() `input` argument must have at least one element.')
try:
output: str = kwargs['output']
except KeyError:
raise InvalidArguments('rustmod.bindgen() `output` must be provided')
if not isinstance(output, str):
raise InvalidArguments('rustmod.bindgen() `output` argument must be a string.')
include_dirs: T.List[IncludeDirs] = typeslistify(unholder(listify(kwargs.get('include_directories', []))), IncludeDirs)
c_args: T.List[str] = stringlistify(listify(kwargs.get('c_args', [])))
bind_args: T.List[str] = stringlistify(listify(kwargs.get('args', [])))
# Split File and Target dependencies to add pass to CustomTarget
interpreter: Add docstring and fix types of source_strings_to_files
4 years ago
depends: T.List[T.Union[GeneratedList, BuildTarget, CustomTargetIndex]] = []
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
depend_files: T.List[File] = []
for d in _deps:
if isinstance(d, File):
depend_files.append(d)
else:
depends.append(d)
inc_strs: T.List[str] = []
for i in include_dirs:
# bindgen always uses clang, so it's safe to hardcode -I here
inc_strs.extend([f'-I{x}' for x in i.to_string_list(state.environment.get_source_dir())])
if self._bindgen_bin is None:
# there's some bugs in the interpreter typeing.
modules: Replace find_program_impl() by state.find_program()
4 years ago
self._bindgen_bin = T.cast('ExternalProgram', state.find_program('bindgen').held_object)
rust: Add a module wrapper for bindgen This has a couple of advantages over rolling it by hand: 1. it correctly handles include_directories objects, which is always handy 2. it correctly generates a depfile for you, which makes it more reliable 3. it requires less typing
4 years ago
name: str
if isinstance(header, File):
name = header.fname
else:
name = header.get_outputs()[0]
target = CustomTarget(
f'rustmod-bindgen-{name}'.replace('/', '_'),
state.subdir,
state.subproject,
{
'input': header,
'output': output,
'command': self._bindgen_bin.get_command() + [
'@INPUT@', '--output',
os.path.join(state.environment.build_dir, '@OUTPUT@')] +
bind_args + ['--'] + c_args + inc_strs +
['-MD', '-MQ', '@INPUT@', '-MF', '@DEPFILE@'],
'depfile': '@PLAINNAME@.d',
'depends': depends,
'depend_files': depend_files,
},
backend=state.backend,
)
return ModuleReturnValue([target], [CustomTargetHolder(target, self.interpreter)])
modules: Add an unstable-rust module Like other language specific modules this module is module for holding rust specific helpers. This commit adds a test() function, which simplifies using rust's internal unittest mechanism. Rust tests are generally placed in the same code files as they are testing, in contrast to languages like C/C++ and python which generally place the tests in separate translation units. For meson this is somewhat problematic from a repetition point of view, as the only changes are generally adding --test, and possibly some dependencies. The rustmod.test() method provides a mechanism to remove the repatition: it takes a rust target, copies it, and then addes the `--test` option, then creates a Test() target with the `rust` protocol. You can pass additional dependencies via the `dependencies` keyword. This all makes for a nice, DRY, test definition.
4 years ago
def initialize(*args: T.List, **kwargs: T.Dict) -> RustModule:
return RustModule(*args, **kwargs) # type: ignore