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# SPDX-License-Identifier: Apache-2.0
# Copyright 2012-2017 The Meson development team
from __future__ import annotations
import typing as T
from ..options import OptionKey, UserStdOption
from .c import ALL_STDS
from .compilers import Compiler
from .mixins.apple import AppleCStdsMixin
from .mixins.clang import ClangCompiler, ClangCStds
from .mixins.clike import CLikeCompiler
from .mixins.gnu import GnuCompiler, GnuCStds, gnu_common_warning_args, gnu_objc_warning_args
if T.TYPE_CHECKING:
from ..environment import Environment
from ..linkers.linkers import DynamicLinker
from ..mesonlib import MachineChoice
from ..build import BuildTarget
from ..options import MutableKeyedOptionDictType
class ObjCCompiler(CLikeCompiler, Compiler):
language = 'objc'
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice,
env: Environment,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
Compiler.__init__(self, ccache, exelist, version, for_machine, env,
full_version=full_version,
linker=linker)
CLikeCompiler.__init__(self)
def get_options(self) -> MutableKeyedOptionDictType:
opts = super().get_options()
key = self.form_compileropt_key('std')
opts.update({
key: UserStdOption('c', ALL_STDS),
})
return opts
@staticmethod
def get_display_language() -> str:
return 'Objective-C'
def sanity_check(self, work_dir: str) -> None:
code = '#import<stddef.h>\nint main(void) { return 0; }\n'
return self._sanity_check_impl(work_dir, 'sanitycheckobjc.m', code)
def form_compileropt_key(self, basename: str) -> OptionKey:
if basename == 'std':
return OptionKey(f'c_{basename}', machine=self.for_machine)
return super().form_compileropt_key(basename)
class GnuObjCCompiler(GnuCStds, GnuCompiler, ObjCCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice,
env: Environment,
defines: T.Optional[T.Dict[str, str]] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
ObjCCompiler.__init__(self, ccache, exelist, version, for_machine,
env, linker=linker, full_version=full_version)
GnuCompiler.__init__(self, defines)
default_warn_args = ['-Wall', '-Winvalid-pch']
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic'],
'everything': (default_warn_args + ['-Wextra', '-Wpedantic'] +
self.supported_warn_args(gnu_common_warning_args) +
self.supported_warn_args(gnu_objc_warning_args))}
def get_option_std_args(self, target: BuildTarget, subproject: T.Optional[str] = None) -> T.List[str]:
args: T.List[str] = []
key = OptionKey('c_std', subproject=subproject, machine=self.for_machine)
if target:
std = self.environment.coredata.get_option_for_target(target, key)
else:
std = self.environment.coredata.optstore.get_value_for(key)
assert isinstance(std, str)
if std != 'none':
args.append('-std=' + std)
return args
class ClangObjCCompiler(ClangCStds, ClangCompiler, ObjCCompiler):
def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, for_machine: MachineChoice,
env: Environment,
defines: T.Optional[T.Dict[str, str]] = None,
linker: T.Optional['DynamicLinker'] = None,
full_version: T.Optional[str] = None):
ObjCCompiler.__init__(self, ccache, exelist, version, for_machine,
env, linker=linker, full_version=full_version)
ClangCompiler.__init__(self, defines)
default_warn_args = ['-Wall', '-Winvalid-pch']
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],
'3': default_warn_args + ['-Wextra', '-Wpedantic'],
'everything': ['-Weverything']}
def form_compileropt_key(self, basename: str) -> OptionKey:
if basename == 'std':
return OptionKey('c_std', machine=self.for_machine)
return super().form_compileropt_key(basename)
def make_option_name(self, key: OptionKey) -> str:
if key.name == 'std':
return 'c_std'
return super().make_option_name(key)
def get_option_std_args(self, target: BuildTarget, subproject: T.Optional[str] = None) -> T.List[str]:
args = []
key = OptionKey('c_std', machine=self.for_machine)
std = self.get_compileropt_value(key, target, subproject)
assert isinstance(std, str)
if std != 'none':
args.append('-std=' + std)
return args
class AppleClangObjCCompiler(AppleCStdsMixin, ClangObjCCompiler):
"""Handle the differences between Apple's clang and vanilla clang."""
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