blob: 4873843c0d9c85eae0af02fcd92a5e38695d3683 [file]
# SPDX-License-Identifier: Apache-2.0
# Copyright © 2020-2025 Intel Corporation
from __future__ import annotations
import itertools
import os
import re
import textwrap
import typing as T
from mesonbuild.interpreterbase.decorators import FeatureNew
from . import ExtensionModule, ModuleReturnValue, ModuleInfo, ModuleObject
from .. import mesonlib, mlog
from ..build import (BothLibraries, BuildTarget, CustomTargetIndex, Executable, ExtractedObjects, GeneratedList,
CustomTarget, InvalidArguments, Jar, StructuredSources, SharedLibrary, StaticLibrary,
SharedModule)
from ..compilers.compilers import are_asserts_disabled_for_subproject, lang_suffixes
from ..compilers.rust import parse_target, RustSystemDependency
from ..dependencies import Dependency
from ..interpreter.type_checking import (
DEPENDENCIES_KW, LINK_WITH_KW, LINK_WHOLE_KW, SHARED_LIB_KWS, TEST_KWS, TEST_KWS_NO_ARGS,
OUTPUT_KW, INCLUDE_DIRECTORIES, SOURCES_VARARGS, NATIVE_KW, NoneType, in_set_validator,
EXECUTABLE_KWS, LIBRARY_KWS, SHARED_MOD_KWS, _BASE_LANG_KW
)
from ..interpreterbase import ContainerTypeInfo, InterpreterException, KwargInfo, typed_kwargs, typed_pos_args, noKwargs, noPosargs, permittedKwargs
from ..interpreter.interpreterobjects import Doctest
from ..mesonlib import (is_parent_path, File, MachineChoice, MesonException, PerMachine)
from ..programs import ExternalProgram, NonExistingExternalProgram
if T.TYPE_CHECKING:
from . import ModuleState
from .. import cargo
from ..build import BuildTargetTypes, ExecutableKeywordArguments, IncludeDirs, LibTypes
from ..cargo.interpreter import RUST_ABI
from ..compilers.compilers import Language
from ..compilers.rust import RustCompiler
from ..dependencies import ExternalLibrary
from ..interpreter import Interpreter
from ..interpreter import kwargs as _kwargs
from ..interpreter.interpreter import SourceInputs, SourceOutputs
from ..interpreter.interpreterobjects import Test
from ..interpreterbase import TYPE_kwargs
from ..programs import Program
from ..interpreter.type_checking import SourcesVarargsType
from typing_extensions import TypedDict, Literal
ArgsType = T.TypeVar('ArgsType')
class FuncRustTest(_kwargs.BaseTest, T.Generic[ArgsType]):
args: T.List[ArgsType]
dependencies: T.List[T.Union[Dependency, ExternalLibrary]]
is_parallel: bool
link_with: T.List[LibTypes]
link_whole: T.List[T.Union[StaticLibrary, CustomTarget, CustomTargetIndex]]
rust_args: T.List[str]
FuncTest = FuncRustTest[_kwargs.TestArgs]
FuncDoctest = FuncRustTest[str]
class FuncBindgen(TypedDict):
args: T.List[str]
c_args: T.List[str]
include_directories: T.List[IncludeDirs]
input: T.List[SourceInputs]
output: str
output_inline_wrapper: str
dependencies: T.List[T.Union[Dependency, ExternalLibrary]]
language: T.Optional[Literal['c', 'cpp']]
bindgen_version: T.List[str]
class FuncWorkspace(TypedDict):
default_features: T.Optional[bool]
features: T.List[str]
class FuncDependency(TypedDict):
rust_abi: T.Optional[RUST_ABI]
class RustPackageDependencies(TypedDict):
dependencies: bool
dev_dependencies: bool
system_dependencies: bool
class RustPackageExecutable(_kwargs.Executable):
pass
class RustPackageLibrary(_kwargs.Library):
pass
RUST_TEST_KWS: T.List[KwargInfo] = [
KwargInfo(
'rust_args',
ContainerTypeInfo(list, str),
listify=True,
default=[],
since='1.2.0',
),
KwargInfo('is_parallel', bool, default=False),
]
# The native argument should be passed to the "package" method
EXECUTABLE_KWS_NO_NATIVE = [kwi for kwi in EXECUTABLE_KWS if kwi.name != 'native']
LIBRARY_KWS_NO_NATIVE = [kwi for kwi in LIBRARY_KWS if kwi.name != 'native']
SHARED_LIB_KWS_NO_NATIVE = [kwi for kwi in SHARED_LIB_KWS if kwi.name != 'native']
SHARED_MOD_KWS_NO_NATIVE = [kwi for kwi in SHARED_MOD_KWS if kwi.name != 'native']
def no_spaces_validator(arg: T.Optional[T.Union[str, T.List]]) -> T.Optional[str]:
if any(bool(re.search(r'\s', x)) for x in arg):
return 'must not contain spaces due to limitations of rustdoc'
return None
def dep_to_system_dependency(dep: Dependency, depname: str) -> Dependency:
if not dep.found():
return dep
if not depname:
if not dep.name:
raise MesonException("rust.to_system_dependency() called with an unnamed dependency and no explicit name")
depname = dep.name
depname = re.sub(r'[^a-zA-Z0-9]', '_', depname)
rust_args = ['--cfg', f'system_deps_have_{depname}']
return RustSystemDependency(dep.version, compile_args=rust_args, ext_deps=[dep], name=dep.name)
class RustWorkspace(ModuleObject):
"""Represents a Rust workspace, controlling the build of packages
recorded in a Cargo.lock file."""
def __init__(self, interpreter: Interpreter, ws: cargo.WorkspaceState) -> None:
super().__init__()
self.interpreter = interpreter
self.ws = ws
self.methods.update({
'packages': self.packages_method,
'package': self.package_method,
'subproject': self.subproject_method,
})
@property
def subdir(self) -> str:
return self.ws.subdir
@noPosargs
@noKwargs
def packages_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> T.List[str]:
"""Returns list of package names in workspace."""
package_names = [pkg.manifest.package.name for pkg in self.ws.packages.values()]
return sorted(package_names)
@typed_pos_args('workspace.package', optargs=[str])
def package_method(self, state: 'ModuleState', args: T.List, kwargs: TYPE_kwargs) -> RustPackage:
"""Returns a package object."""
package_name = args[0] if args else None
return RustPackage(self, self.interpreter.cargo.load_package(self.ws, package_name))
def _do_subproject(self, pkg: cargo.PackageState) -> None:
kw: _kwargs.DoSubproject = {
'required': True,
'version': None,
'options': None,
'cmake_options': [],
'default_options': {},
}
subp_name = pkg.get_subproject_name()
self.interpreter.do_subproject(subp_name, kw, force_method='cargo')
@typed_pos_args('workspace.subproject', str, optargs=[str])
@noKwargs
def subproject_method(self, state: ModuleState, args: T.Tuple[str, T.Optional[str]], kwargs: TYPE_kwargs) -> RustSubproject:
"""Returns a package object for a subproject package."""
package_name = args[0]
pkg = self.interpreter.cargo.resolve_package(package_name, args[1] or '')
if pkg is None:
if args[1]:
raise MesonException(f'No version of cargo package "{package_name}" provides API {args[1]}')
else:
raise MesonException(f'Cargo package "{package_name}" not available')
self._do_subproject(pkg)
return RustSubproject(self, pkg)
class RustCrate(ModuleObject):
"""Abstract base class for Rust crate representations."""
def __init__(self, rust_ws: RustWorkspace, package: cargo.PackageState) -> None:
super().__init__()
self.rust_ws = rust_ws
self.package = package
self.methods.update({
'all_features': self.all_features_method,
'api': self.api_method,
'features': self.features_method,
'name': self.name_method,
'version': self.version_method,
'rust_args': self.rust_args_method,
'env': self.env_method, # type: ignore[dict-item]
'rust_dependency_map': self.rust_dependency_map_method, # type: ignore[dict-item]
})
@noPosargs
@noKwargs
def name_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> str:
"""Returns the name of the package."""
return self.package.manifest.package.name
@noPosargs
@noKwargs
def api_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> str:
"""Returns the API version of the package."""
return self.package.manifest.package.api
@noPosargs
@noKwargs
def version_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> str:
"""Returns the version of the package."""
return self.package.manifest.package.version
@noPosargs
@noKwargs
def all_features_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> T.List[str]:
"""Returns all features for specific package."""
return sorted(list(self.package.manifest.features.keys()))
@noPosargs
@noKwargs
def features_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> T.List[str]:
"""Returns chosen features for specific package."""
return sorted(list(self.package.cfg.features))
@noPosargs
@noKwargs
def rust_args_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> T.List[str]:
"""Returns rustc arguments for this package."""
return self.package.get_rustc_args(state.environment, state.subdir, mesonlib.MachineChoice.HOST)
@noPosargs
@noKwargs
def env_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> T.Dict[str, str]:
"""Returns environment variables for this package."""
return self.package.get_env_dict(state.environment, state.subdir)
@noPosargs
@noKwargs
def rust_dependency_map_method(self, state: ModuleState, args: T.List, kwargs: TYPE_kwargs) -> T.Dict[str, str]:
"""Returns rust dependency mapping for this package."""
return self.package.cfg.get_dependency_map(self.package.manifest)
class RustPackage(RustCrate):
"""Represents a Rust package within a workspace."""
def __init__(self, rust_ws: RustWorkspace, package: cargo.PackageState) -> None:
super().__init__(rust_ws, package)
self.methods.update({
'dependencies': self.dependencies_method,
'library': self.library_method,
'proc_macro': self.proc_macro_method,
'shared_module': self.shared_module_method,
'executable': self.executable_method,
'override_dependency': self.override_dependency_method,
})
def _dependencies_method(self, state: ModuleState, kwargs: RustPackageDependencies,
for_machine: MachineChoice) -> T.List[Dependency]:
dependencies: T.List[Dependency] = []
cfg = self.package.cfg
if kwargs['dependencies']:
for dep_key, dep_pkg in cfg.dep_packages.items():
if dep_pkg.manifest.lib:
if dep_pkg.ws_subdir != self.rust_ws.subdir or \
is_parent_path(os.path.join(self.rust_ws.subdir, state.subproject_dir),
dep_pkg.path):
self.rust_ws._do_subproject(dep_pkg)
# Get the dependency name for this package (rust or proc-macro ABI)
depname = dep_pkg.get_rust_dependency_name()
dependency = state.overridden_dependency(depname, for_machine)
dependencies.append(dependency)
if kwargs['dev_dependencies']:
raise MesonException('dev_dependencies is not implemented yet')
if kwargs['system_dependencies']:
for name, sys_dep in self.package.manifest.system_dependencies.items():
if sys_dep.enabled(cfg.features):
# System dependencies use the original dependency name from Cargo.toml
dependency = state.dependency(sys_dep.name, native=(for_machine == MachineChoice.BUILD),
required=not sys_dep.optional,
wanted=sys_dep.meson_version)
dependencies.append(dep_to_system_dependency(dependency, name))
return dependencies
@noPosargs
@typed_kwargs('package.dependencies',
KwargInfo('dependencies', bool, default=True),
KwargInfo('dev_dependencies', bool, default=False),
KwargInfo('system_dependencies', bool, default=True))
def dependencies_method(self, state: ModuleState, args: T.List, kwargs: RustPackageDependencies) -> T.List[Dependency]:
"""Returns the dependencies for this package."""
return self._dependencies_method(state, kwargs, MachineChoice.HOST)
@staticmethod
def validate_pos_args(name: str, args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]]) -> T.Tuple[T.Optional[str], T.Optional[StructuredSources]]:
if isinstance(args[0], str):
return args[0], args[1]
if args[1] is not None:
raise MesonException(f"{name} only accepts one StructuredSources parameter")
return None, args[0]
def merge_kw_args(self, state: ModuleState, kwargs: T.Union[RustPackageExecutable, RustPackageLibrary]) -> None:
kwargs.setdefault('native', MachineChoice.HOST)
deps = kwargs['dependencies']
kwargs['dependencies'] = self._dependencies_method(state, {
'dependencies': True,
'dev_dependencies': False,
'system_dependencies': True,
}, kwargs['native'])
kwargs['dependencies'].extend(deps)
depmap = kwargs['rust_dependency_map']
kwargs['rust_dependency_map'] = \
self.package.cfg.get_dependency_map(self.package.manifest)
kwargs['rust_dependency_map'].update(depmap)
rust_args = kwargs['rust_args']
kwargs['rust_args'] = \
self.package.get_rustc_args(state.environment, state.subdir, kwargs['native'])
kwargs['rust_args'].extend(rust_args)
kwargs['override_options'].setdefault('rust_std', self.package.manifest.package.edition)
def _library_method(self, state: ModuleState, args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]], kwargs: RustPackageLibrary,
static: bool, shared: bool,
shared_mod: bool = False) -> T.Union[BothLibraries, SharedLibrary, StaticLibrary]:
tgt_args = self.validate_pos_args('package.library', args)
if not self.package.manifest.lib:
raise MesonException("no [lib] section in Cargo package")
sources: T.Union[StructuredSources, str]
tgt_name, sources = tgt_args
if not tgt_name:
rust_abi: RUST_ABI
if kwargs['rust_crate_type'] is not None:
rust_abi = 'rust' if kwargs['rust_crate_type'] in {'lib', 'rlib', 'dylib', 'proc-macro'} else 'c'
else:
rust_abi = kwargs['rust_abi']
tgt_name = self.package.library_name(rust_abi)
if not sources:
sources = os.path.relpath(os.path.join(self.package.path, self.package.manifest.lib.path),
state.subdir)
lib_args: T.Tuple[str, SourcesVarargsType] = (tgt_name, [sources])
self.merge_kw_args(state, kwargs)
if shared_mod:
return state._interpreter.build_target(state.current_node, lib_args,
T.cast('_kwargs.SharedModule', kwargs),
SharedModule)
if static and shared:
return state._interpreter.build_both_libraries(state.current_node, lib_args, kwargs)
elif shared:
return state._interpreter.build_target(state.current_node, lib_args,
T.cast('_kwargs.SharedLibrary', kwargs),
SharedLibrary)
else:
return state._interpreter.build_target(state.current_node, lib_args,
T.cast('_kwargs.StaticLibrary', kwargs),
StaticLibrary)
def _proc_macro_method(self, state: 'ModuleState', args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]], kwargs: RustPackageLibrary) -> SharedLibrary:
kwargs['native'] = MachineChoice.BUILD
kwargs['rust_abi'] = None
kwargs['rust_crate_type'] = 'proc-macro'
kwargs['rust_args'] = kwargs['rust_args'] + ['--extern', 'proc_macro']
result = self._library_method(state, args, kwargs, shared=True, static=False)
return T.cast('SharedLibrary', result)
@typed_pos_args('package.override_dependency', Dependency)
@typed_kwargs('package.override_dependency',
KwargInfo('rust_abi', (str, NoneType), default=None, validator=in_set_validator({'rust', 'c', 'proc-macro'})))
def override_dependency_method(self, state: ModuleState, args: T.Tuple[Dependency], kwargs: FuncDependency) -> None:
dep = args[0]
rust_abi = self.package.abi_resolve_default(kwargs['rust_abi'])
depname = self.package.get_dependency_name(rust_abi)
if rust_abi == 'proc-macro':
state.override_dependency(depname, dep, for_machine=MachineChoice.HOST)
state.override_dependency(depname, dep, static=False, for_machine=MachineChoice.HOST)
if state.environment.is_cross_build():
state.override_dependency(depname, dep, for_machine=MachineChoice.BUILD)
state.override_dependency(depname, dep, static=False, for_machine=MachineChoice.BUILD)
return
state.override_dependency(depname, dep)
if self.package.abi_has_static(rust_abi):
state.override_dependency(depname, dep, static=True)
if self.package.abi_has_shared(rust_abi):
state.override_dependency(depname, dep, static=False)
@typed_pos_args('package.library', optargs=[(str, StructuredSources), StructuredSources])
@typed_kwargs(
'package.library',
*LIBRARY_KWS_NO_NATIVE,
DEPENDENCIES_KW,
LINK_WITH_KW,
LINK_WHOLE_KW,
_BASE_LANG_KW.evolve(name='rust_args'),
)
def library_method(self, state: ModuleState, args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]], kwargs: RustPackageLibrary) -> T.Union[BothLibraries, SharedLibrary, StaticLibrary]:
if not self.package.manifest.lib:
raise MesonException("no [lib] section in Cargo package")
if kwargs['rust_crate_type'] is not None:
static = kwargs['rust_crate_type'] in {'lib', 'rlib', 'staticlib'}
shared = kwargs['rust_crate_type'] in {'dylib', 'cdylib', 'proc-macro'}
else:
rust_abi = self.package.abi_resolve_default(kwargs['rust_abi'])
static = self.package.abi_has_static(rust_abi)
shared = self.package.abi_has_shared(rust_abi)
if rust_abi == 'proc-macro':
kwargs['rust_crate_type'] = 'proc-macro'
kwargs['rust_abi'] = None
else:
kwargs['rust_abi'] = rust_abi
return self._library_method(state, args, kwargs, static=static, shared=shared)
@typed_pos_args('package.proc_macro', optargs=[(str, StructuredSources), StructuredSources])
@typed_kwargs(
'package.proc_macro',
*SHARED_LIB_KWS_NO_NATIVE,
DEPENDENCIES_KW,
LINK_WITH_KW,
LINK_WHOLE_KW,
_BASE_LANG_KW.evolve(name='rust_args'),
)
def proc_macro_method(self, state: 'ModuleState', args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]], kwargs: RustPackageLibrary) -> SharedLibrary:
if not self.package.manifest.lib:
raise MesonException("no [lib] section in Cargo package")
if 'proc-macro' not in self.package.manifest.lib.crate_type:
raise MesonException("not a procedural macro crate")
return self._proc_macro_method(state, args, kwargs)
@typed_pos_args('package.shared_module', optargs=[(str, StructuredSources), StructuredSources])
@typed_kwargs(
'package.shared_module',
*SHARED_MOD_KWS_NO_NATIVE,
DEPENDENCIES_KW,
LINK_WITH_KW,
LINK_WHOLE_KW,
_BASE_LANG_KW.evolve(name='rust_args'),
)
def shared_module_method(self, state: 'ModuleState', args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]], kwargs: RustPackageLibrary) -> SharedModule:
if not self.package.manifest.lib:
raise MesonException("no [lib] section in Cargo package")
if 'cdylib' not in self.package.manifest.lib.crate_type:
raise MesonException("not a cdylib crate")
kwargs['rust_abi'] = None
kwargs['rust_crate_type'] = 'cdylib'
result = self._library_method(state, args, kwargs, shared=True, static=False, shared_mod=True)
return T.cast('SharedModule', result)
@typed_pos_args('package.executable', optargs=[(str, StructuredSources), StructuredSources])
@typed_kwargs(
'package.executable',
*EXECUTABLE_KWS_NO_NATIVE,
DEPENDENCIES_KW,
LINK_WITH_KW,
LINK_WHOLE_KW,
_BASE_LANG_KW.evolve(name='rust_args'),
)
def executable_method(self, state: 'ModuleState', args: T.Tuple[
T.Optional[T.Union[str, StructuredSources]],
T.Optional[StructuredSources]], kwargs: RustPackageExecutable) -> Executable:
"""Builds executable targets from workspace bins."""
tgt_args = self.validate_pos_args('package.executable', args)
if not self.package.manifest.bin:
raise MesonException("no [[bin]] section in Cargo package")
sources: T.Union[StructuredSources, str]
tgt_name, sources = tgt_args
# If there's more than one binary, the first argument must be specified
# and must be one of the keys in pkg.bin
if not tgt_name:
if len(self.package.manifest.bin) > 1:
raise MesonException("Package has multiple binaries, you must specify which one to build as the first argument")
# Single binary, use it
tgt_name = next(iter(self.package.manifest.bin.keys()))
else:
if tgt_name not in self.package.manifest.bin:
raise MesonException(f"Binary '{tgt_name}' not found.")
if not sources:
sources = os.path.relpath(os.path.join(self.package.path, self.package.manifest.bin[tgt_name].path),
state.subdir)
exe_args: T.Tuple[str, SourcesVarargsType] = (tgt_name, [sources])
self.merge_kw_args(state, kwargs)
return state._interpreter.build_target(state.current_node, exe_args, kwargs, Executable)
class RustSubproject(RustCrate):
"""Represents a Cargo subproject."""
def __init__(self, rust_ws: RustWorkspace, package: cargo.PackageState) -> None:
super().__init__(rust_ws, package)
self.methods.update({
'dependency': self.dependency_method,
})
@noPosargs
@typed_kwargs('package.dependency',
KwargInfo('rust_abi', (str, NoneType), default=None, validator=in_set_validator({'rust', 'c', 'proc-macro'})))
def dependency_method(self, state: ModuleState, args: T.List, kwargs: FuncDependency) -> Dependency:
"""Returns dependency for the package with the given ABI."""
depname = self.package.get_dependency_name(kwargs['rust_abi'])
return state.overridden_dependency(depname)
class RustModule(ExtensionModule):
"""A module that holds helper functions for rust."""
INFO = ModuleInfo('rust', '0.57.0', stabilized='1.0.0')
_bindgen_rust_target: T.Optional[str]
rustdoc: PerMachine[T.Optional[ExternalProgram]] = PerMachine(None, None)
def __init__(self, interpreter: Interpreter) -> None:
super().__init__(interpreter)
self._bindgen_bin: T.Optional[Program] = None
if 'rust' in interpreter.compilers.host:
rustc = T.cast('RustCompiler', interpreter.compilers.host['rust'])
self._bindgen_rust_target = 'nightly' if rustc.is_nightly else rustc.version
else:
self._bindgen_rust_target = None
self._bindgen_set_std = False
self.methods.update({
'test': self.test,
'doctest': self.doctest,
'bindgen': self.bindgen,
'compiler_target': self.compiler_target,
'proc_macro': self.proc_macro,
'to_system_dependency': self.to_system_dependency,
'workspace': self.workspace,
})
def test_common(self, funcname: str, state: ModuleState, args: T.Tuple[str, BuildTarget], kwargs: FuncRustTest) -> T.Tuple[Executable, _kwargs.FuncTest]:
"""Generate a rust test target from a given rust target.
Rust puts its unitests inside its main source files, unlike most
languages that put them in external files. This means that normally
you have to define two separate targets with basically the same
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)
```
"""
if any(isinstance(t, Jar) for t in kwargs.get('link_with', [])):
raise InvalidArguments('Rust tests cannot link with Jar targets')
if any(isinstance(t, Jar) for t in kwargs.get('link_whole', [])):
raise InvalidArguments('Rust tests cannot link with Jar targets')
name = args[0]
base_target: BuildTarget = args[1]
if not base_target.uses_rust():
raise InterpreterException(f'Second positional argument to rustmod.{funcname}() must be a rust based target')
extra_args = kwargs['args']
# Delete any arguments we don't want passed
if '--test' in extra_args:
mlog.warning(f'Do not add --test to rustmod.{funcname}() arguments')
extra_args.remove('--test')
if '--format' in extra_args:
mlog.warning(f'Do not add --format to rustmod.{funcname}() 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):
if isinstance(a, str) and a.startswith('--format='):
del extra_args[i]
break
# 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())
tkwargs['args'] = extra_args + ['--test', '--format', 'pretty']
tkwargs['protocol'] = 'rust'
new_target_kwargs = T.cast('ExecutableKeywordArguments', base_target.original_kwargs.copy())
del new_target_kwargs['rust_crate_type']
for kw in ('pic', 'prelink', 'rust_abi', 'version', 'soversion', 'darwin_versions', 'shortname'):
if kw in new_target_kwargs:
del new_target_kwargs[kw] # type: ignore[misc]
new_target_kwargs['install'] = False
new_target_kwargs['dependencies'] = new_target_kwargs.get('dependencies', []) + kwargs['dependencies']
new_target_kwargs['link_with'] = new_target_kwargs.get('link_with', []) + T.cast('T.List[BuildTargetTypes]', kwargs['link_with'])
new_target_kwargs['link_whole'] = new_target_kwargs.get('link_whole', []) + kwargs['link_whole']
lang_args = base_target.extra_args.copy()
lang_args['rust'] = base_target.extra_args['rust'] + kwargs['rust_args'] + ['--test']
new_target_kwargs['language_args'] = lang_args
sources = T.cast('T.List[SourceOutputs]', base_target.sources.copy())
sources.extend(base_target.generated)
new_target = Executable(
name, base_target.subdir, state.subproject, base_target.for_machine,
sources, base_target.structured_sources,
base_target.objects, base_target.environment, base_target.compilers,
new_target_kwargs)
return new_target, tkwargs
@typed_pos_args('rust.test', str, BuildTarget)
@typed_kwargs(
'rust.test',
*TEST_KWS,
DEPENDENCIES_KW,
LINK_WITH_KW.evolve(since='1.2.0'),
LINK_WHOLE_KW.evolve(since='1.8.0'),
*RUST_TEST_KWS,
)
def test(self, state: ModuleState, args: T.Tuple[str, BuildTarget], kwargs: FuncTest) -> ModuleReturnValue:
name, _ = args
new_target, tkwargs = self.test_common('test', state, args, kwargs)
test: Test = self.interpreter.make_test(
self.interpreter.current_node, (name, new_target), tkwargs)
return ModuleReturnValue(None, [new_target, test])
@FeatureNew('rust.doctest', '1.8.0')
@typed_pos_args('rust.doctest', str, BuildTarget)
@typed_kwargs(
'rust.doctest',
*TEST_KWS_NO_ARGS,
DEPENDENCIES_KW,
LINK_WITH_KW,
LINK_WHOLE_KW,
*RUST_TEST_KWS,
KwargInfo(
'args',
ContainerTypeInfo(list, str),
listify=True,
default=[],
validator=no_spaces_validator,
),
)
def doctest(self, state: ModuleState, args: T.Tuple[str, T.Union[SharedLibrary, StaticLibrary]], kwargs: FuncDoctest) -> ModuleReturnValue:
name, base_target = args
if not base_target.uses_rust():
raise MesonException('doc tests are only supported for Rust targets')
if not base_target.uses_rust_abi():
raise MesonException("doc tests are not supported for rust_abi: 'c'")
if state.environment.is_cross_build() and state.environment.need_exe_wrapper(base_target.for_machine):
mlog.notice('skipping Rust doctests due to cross compilation', once=True)
return ModuleReturnValue(None, [])
# Link the base target's crate into the tests
kwargs['link_with'].append(base_target)
kwargs['depends'].append(base_target)
workdir = kwargs['workdir']
kwargs['workdir'] = None
new_target, tkwargs = self.test_common('doctest', state, args, kwargs)
# added automatically by rustdoc; keep things simple
tkwargs['args'].remove('--test')
# --test-args= is "parsed" simply via the Rust function split_whitespace().
# This means no quoting nightmares (pfew) but it also means no spaces.
# Unfortunately it's pretty hard at this point to accept e.g. CustomTarget,
# because their paths may not be known. This is not a big deal because the
# user does not control the test harness, so make things easy and allow
# strings only.
if tkwargs['args']:
tkwargs['args'] = ['--test-args=' + ' '.join(T.cast('T.Sequence[str]', tkwargs['args']))]
if workdir:
tkwargs['args'].append('--test-run-directory=' + workdir)
if self.rustdoc[base_target.for_machine] is None:
rustc = T.cast('RustCompiler', base_target.compilers['rust'])
rustdoc = rustc.get_rustdoc()
if rustdoc:
self.rustdoc[base_target.for_machine] = ExternalProgram(rustdoc.get_exe())
else:
self.rustdoc[base_target.for_machine] = NonExistingExternalProgram()
rustdoc_prog = self.rustdoc[base_target.for_machine]
if not rustdoc_prog.found():
raise MesonException(f'could not find rustdoc for {base_target.for_machine} machine')
doctests: Doctest = self.interpreter.make_test(
self.interpreter.current_node, (name, rustdoc_prog), tkwargs, Doctest)
# Note that the new_target is intentionally not returned, as it
# is only reached via the base_target and never built by "ninja",
# so we need to complete its initialization here
new_target.process_compilers_late()
doctests.target = new_target
base_target.doctests = doctests
return ModuleReturnValue(None, [doctests])
@noPosargs
@typed_kwargs(
'rust.bindgen',
KwargInfo('c_args', ContainerTypeInfo(list, str), default=[], listify=True),
KwargInfo('args', ContainerTypeInfo(list, str), default=[], listify=True),
KwargInfo(
'input',
ContainerTypeInfo(list, (File, GeneratedList, BuildTarget, BothLibraries, ExtractedObjects, CustomTargetIndex, CustomTarget, str), allow_empty=False),
default=[],
listify=True,
required=True,
),
KwargInfo('language', (str, NoneType), since='1.4.0', validator=in_set_validator({'c', 'cpp'})),
KwargInfo('bindgen_version', ContainerTypeInfo(list, str), default=[], listify=True, since='1.4.0'),
INCLUDE_DIRECTORIES.evolve(since_values={ContainerTypeInfo(list, str): '1.0.0'}),
OUTPUT_KW,
KwargInfo(
'output_inline_wrapper',
str,
default='',
since='1.4.0',
),
DEPENDENCIES_KW.evolve(since='1.0.0'),
)
def bindgen(self, state: ModuleState, args: T.List, kwargs: FuncBindgen) -> ModuleReturnValue:
"""Wrapper around bindgen to simplify its use.
The main thing this simplifies is the use of `include_directory`
objects, instead of having to pass a plethora of `-I` arguments.
"""
header, *_deps = self.interpreter.source_strings_to_files(kwargs['input'])
# Split File and Target dependencies to add pass to CustomTarget
depends: T.List[SourceOutputs] = []
depend_files: T.List[File] = []
for d in _deps:
if isinstance(d, File):
depend_files.append(d)
else:
depends.append(d)
# Copy to avoid subsequent calls mutating the original
# TODO: if we want this to be per-machine we'll need a native kwarg
clang_args = state.environment.properties.host.get_bindgen_clang_args().copy()
# Look for --target in the rust command itself if there isn't one passed in clang_args
target_arg = parse_target(clang_args)
if not target_arg and 'rust' in state._interpreter.compilers.host:
rust_args = state._interpreter.compilers.host['rust'].get_exe_args()
target_arg = parse_target(rust_args)
if target_arg:
clang_args.append(f'--target={target_arg}')
# Find the first C'ish compiler to fetch the default compiler flags
# from. Append those to the bindgen flags to ensure we use a compatible
# environment.
comp = mesonlib.first(
# The cast here shouldn't be necessary
[state.environment.coredata.compilers.host.get(T.cast('Language', l))
for l in ('c', 'cpp', 'objc', 'objcpp')],
lambda x: x is not None,
)
if comp:
clang_args.extend(comp.get_always_args())
else:
mlog.warning(textwrap.dedent('''\
Using `rust.bindgen` without configuring C (or a C-like)
language in Meson will skip compiler detection and can cause
ABI incompatibilities due to missing crucial compiler flags.
Consider calling `add_languages('c')` in your Meson build
files.
'''))
for i in state.process_include_dirs(kwargs['include_directories']):
# bindgen always uses clang, so it's safe to hardcode -I here
clang_args.extend([f'-I{x}' for x in i.abs_string_list(
state.environment.get_source_dir(), state.environment.get_build_dir())])
if are_asserts_disabled_for_subproject(state.subproject, state.environment):
clang_args.append('-DNDEBUG')
for de in kwargs['dependencies']:
for i in de.get_include_dirs():
clang_args.extend([f'-I{x}' for x in i.abs_string_list(
state.environment.get_source_dir(), state.environment.get_build_dir())])
clang_args.extend(de.get_all_compile_args())
for s in de.get_sources():
if isinstance(s, File):
depend_files.append(s)
elif isinstance(s, CustomTarget):
depends.append(s)
if self._bindgen_bin is None:
self._bindgen_bin = state.find_program('bindgen', wanted=kwargs['bindgen_version'])
if self._bindgen_rust_target is not None:
_, _, err = mesonlib.Popen_safe(self._bindgen_bin.get_command() + ['--rust-target', self._bindgen_rust_target])
# < 0.71: Sometimes this is "invalid Rust target" and
# sometimes "invalid # rust target"
# >= 0.71: error: invalid value '...' for '--rust-target <RUST_TARGET>': "..." is not a valid Rust target, accepted values are of the form ...
# It's also much harder to hit this in 0.71 than in previous versions
if 'Got an invalid' in err or 'is not a valid Rust target' in err:
self._bindgen_rust_target = None
self._bindgen_set_std = mesonlib.version_compare(self._bindgen_bin.get_version(), '>= 0.71')
name: str
if isinstance(header, File):
name = header.fname
elif isinstance(header, (BuildTarget, BothLibraries, ExtractedObjects, StructuredSources)):
raise InterpreterException('bindgen source file must be a C header, not an object or build target')
else:
name = header.get_outputs()[0]
# bindgen assumes that C++ headers will be called .hpp. We want to
# ensure that anything Meson considers a C++ header is treated as one.
language = kwargs['language']
if language is None:
ext = os.path.splitext(name)[1][1:]
if ext in lang_suffixes['cpp']:
language = 'cpp'
elif ext == 'h':
language = 'c'
else:
raise InterpreterException(f'Unknown file type extension for: {name}')
# We only want include directories and defines, other things may not be valid
cargs = state.get_option(f'{language}_args', state.subproject)
assert isinstance(cargs, list), 'for mypy'
for a in itertools.chain(state.global_args.get(language, []), state.project_args.get(language, []), cargs):
if a.startswith(('-I', '/I', '-D', '/D', '-U', '/U')):
clang_args.append(a)
if language == 'cpp':
clang_args.extend(['-x', 'c++'])
# Add the C++ standard to the clang arguments. Attempt to translate VS
# extension versions into the nearest standard version
std = state.get_option(f'{language}_std')
assert isinstance(std, str), 'for mypy'
if std.startswith('vc++'):
if std.endswith('latest'):
mlog.warning('Attempting to translate vc++latest into a clang compatible version.',
'Currently this is hardcoded for c++20', once=True, fatal=False)
std = 'c++20'
else:
mlog.debug('The current C++ standard is a Visual Studio extension version.',
'bindgen will use a the nearest C++ standard instead')
std = std[1:]
if std != 'none':
clang_args.append(f'-std={std}')
inline_wrapper_args: T.List[str] = []
outputs = [kwargs['output']]
if kwargs['output_inline_wrapper']:
# Todo drop this isinstance once Executable supports version_compare
if isinstance(self._bindgen_bin, ExternalProgram):
if mesonlib.version_compare(self._bindgen_bin.get_version(), '< 0.65'):
raise InterpreterException('\'output_inline_wrapper\' parameter of rust.bindgen requires bindgen-0.65 or newer')
outputs.append(kwargs['output_inline_wrapper'])
inline_wrapper_args = [
'--experimental', '--wrap-static-fns',
'--wrap-static-fns-path', os.path.join(state.environment.build_dir, '@OUTPUT1@')
]
cmd = self._bindgen_bin.get_command() + \
[
'@INPUT@', '--output',
os.path.join(state.environment.build_dir, '@OUTPUT0@')
] + \
kwargs['args'] + inline_wrapper_args
if self._bindgen_rust_target and '--rust-target' not in cmd:
cmd.extend(['--rust-target', self._bindgen_rust_target])
if self._bindgen_set_std and '--rust-edition' not in cmd:
try:
rust_std = state.environment.coredata.optstore.get_value_for('rust_std')
except KeyError:
rust_std = 'none'
assert isinstance(rust_std, str), 'for mypy'
if rust_std != 'none':
cmd.extend(['--rust-edition', rust_std])
cmd.append('--')
cmd.extend(kwargs['c_args'])
cmd.extend(clang_args)
cmd.extend(['-MD', '-MQ', '@INPUT@', '-MF', '@DEPFILE@'])
target = CustomTarget(
f'rustmod-bindgen-{name}'.replace('/', '_'),
state.subdir,
state.subproject,
state.environment,
cmd,
[header],
outputs,
depfile='@PLAINNAME@.d',
extra_depends=depends,
depend_files=depend_files,
backend=state.backend,
description='Generating bindings for Rust {}',
)
return ModuleReturnValue(target, [target])
@FeatureNew('rust.compiler_target', '1.11.0')
@noPosargs
@typed_kwargs('rust.compiler_target', NATIVE_KW)
def compiler_target(self, state: ModuleState, args: T.List, kwargs: '_kwargs.NativeKW') -> str:
"""Returns the Rust target triple for the specified machine's Rust compiler."""
for_machine = kwargs['native']
compilers = state._interpreter.coredata.compilers[for_machine]
if 'rust' in compilers:
rustc = T.cast('RustCompiler', compilers['rust'])
return rustc.get_target_triple()
else:
raise MesonException(f'No Rust compiler was requested for the {for_machine} machine')
# Allow a limited set of kwargs, but still use the full set of typed_kwargs()
# because it could be setting required default values.
@FeatureNew('rust.proc_macro', '1.3.0')
@permittedKwargs({'rust_args', 'rust_dependency_map', 'sources', 'dependencies', 'extra_files',
'link_args', 'link_depends', 'link_with', 'override_options'})
@typed_pos_args('rust.proc_macro', str, varargs=SOURCES_VARARGS)
@typed_kwargs('rust.proc_macro', *SHARED_LIB_KWS)
def proc_macro(self, state: ModuleState, args: T.Tuple[str, SourcesVarargsType], kwargs: _kwargs.SharedLibrary) -> SharedLibrary:
kwargs['native'] = MachineChoice.BUILD
kwargs['rust_crate_type'] = 'proc-macro'
kwargs['rust_args'] = kwargs['rust_args'] + ['--extern', 'proc_macro']
target = state._interpreter.build_target(state.current_node, args, kwargs, SharedLibrary)
return target
@FeatureNew('rust.to_system_dependency', '1.11.0')
@typed_pos_args('rust.to_system_dependency', Dependency, optargs=[str])
@noKwargs
def to_system_dependency(self, state: ModuleState, args: T.Tuple[Dependency, T.Optional[str]], kwargs: TYPE_kwargs) -> Dependency:
dep, depname = args
return dep_to_system_dependency(dep, depname)
@FeatureNew('rust.workspace', '1.11.0')
@noPosargs
@typed_kwargs(
'rust.workspace',
KwargInfo('default_features', (bool, NoneType), default=None),
KwargInfo(
'features',
(ContainerTypeInfo(list, str), NoneType),
default=None,
listify=True,
),
)
def workspace(self, state: ModuleState, args: T.List, kwargs: FuncWorkspace) -> RustWorkspace:
"""Creates a Rust workspace object, controlling the build of
all the packages in a Cargo.lock file."""
if self.interpreter.cargo is None:
raise MesonException("rust.workspace() requires a Cargo project (Cargo.toml and Cargo.lock)")
self.interpreter.add_languages(['rust'], True, MachineChoice.HOST)
self.interpreter.add_languages(['rust'], True, MachineChoice.BUILD)
default_features = kwargs['default_features']
features = kwargs['features']
if default_features is not None or features is not None:
# If custom features are provided, default_features = None should be treated as True
if default_features is None:
default_features = True
cargo_features = ['default'] if default_features else []
if features is not None:
cargo_features.extend(features)
self.interpreter.cargo.features = cargo_features
ws = self.interpreter.cargo.load_workspace(state.root_subdir)
# Cargo projects may not have a subprojects directory, because
# dependencies are declared in Cargo.toml rather than .wrap files.
# Create it now so that the wrap resolver can download the crates there
os.makedirs(self.interpreter.environment.wrap_resolver.subdir_root, exist_ok=True)
return RustWorkspace(self.interpreter, ws)
def initialize(interp: Interpreter) -> RustModule:
return RustModule(interp)