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# SPDX-Licnese-Identifier: Apache-2.0
# Copyright 2012-2021 The Meson development team
# Copyright © 2021 Intel Corporation
import enum
import functools
import typing as T
from .. import build
from .. import coredata
from .. import dependencies
from .. import mesonlib
from .. import mlog
from ..compilers import SUFFIX_TO_LANG
from ..compilers.compilers import CompileCheckMode
from ..interpreterbase import (ObjectHolder, noPosargs, noKwargs,
FeatureNew, disablerIfNotFound,
InterpreterException)
from ..interpreterbase.decorators import ContainerTypeInfo, typed_kwargs, KwargInfo, typed_pos_args
from .interpreterobjects import (extract_required_kwarg, extract_search_dirs)
from .type_checking import REQUIRED_KW, in_set_validator, NoneType
if T.TYPE_CHECKING:
from ..interpreter import Interpreter
from ..compilers import Compiler, RunResult
from ..interpreterbase import TYPE_var, TYPE_kwargs
from .kwargs import ExtractRequired, ExtractSearchDirs
from typing_extensions import TypedDict, Literal
class GetSupportedArgumentKw(TypedDict):
checked: Literal['warn', 'require', 'off']
class AlignmentKw(TypedDict):
prefix: str
args: T.List[str]
dependencies: T.List[dependencies.Dependency]
class CompileKW(TypedDict):
name: str
no_builtin_args: bool
include_directories: T.List[build.IncludeDirs]
args: T.List[str]
dependencies: T.List[dependencies.Dependency]
class CommonKW(TypedDict):
prefix: str
no_builtin_args: bool
include_directories: T.List[build.IncludeDirs]
args: T.List[str]
dependencies: T.List[dependencies.Dependency]
class CompupteIntKW(CommonKW):
guess: T.Optional[int]
high: T.Optional[int]
low: T.Optional[int]
class HeaderKW(CommonKW, ExtractRequired):
pass
class FindLibraryKW(ExtractRequired, ExtractSearchDirs):
disabler: bool
has_headers: T.List[str]
static: bool
# This list must be all of the `HeaderKW` values with `header_`
# prepended to the key
header_args: T.List[str]
header_dependencies: T.List[dependencies.Dependency]
header_include_directories: T.List[build.IncludeDirs]
header_no_builtin_args: bool
header_prefix: str
header_required: T.Union[bool, coredata.UserFeatureOption]
class _TestMode(enum.Enum):
"""Whether we're doing a compiler or linker check."""
COMPILER = 0
LINKER = 1
class TryRunResultHolder(ObjectHolder['RunResult']):
def __init__(self, res: 'RunResult', interpreter: 'Interpreter'):
super().__init__(res, interpreter)
self.methods.update({'returncode': self.returncode_method,
'compiled': self.compiled_method,
'stdout': self.stdout_method,
'stderr': self.stderr_method,
})
@noPosargs
@noKwargs
def returncode_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> int:
return self.held_object.returncode
@noPosargs
@noKwargs
def compiled_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool:
return self.held_object.compiled
@noPosargs
@noKwargs
def stdout_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str:
return self.held_object.stdout
@noPosargs
@noKwargs
def stderr_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str:
return self.held_object.stderr
_ARGS_KW: KwargInfo[T.List[str]] = KwargInfo(
'args',
ContainerTypeInfo(list, str),
listify=True,
default=[],
)
_DEPENDENCIES_KW: KwargInfo[T.List['dependencies.Dependency']] = KwargInfo(
'dependencies',
ContainerTypeInfo(list, dependencies.Dependency),
listify=True,
default=[],
)
_INCLUDE_DIRS_KW: KwargInfo[T.List[build.IncludeDirs]] = KwargInfo(
'include_directories',
ContainerTypeInfo(list, build.IncludeDirs),
default=[],
listify=True,
)
_PREFIX_KW = KwargInfo('prefix', str, default='')
_NO_BUILTIN_ARGS_KW = KwargInfo('no_builtin_args', bool, default=False)
_NAME_KW = KwargInfo('name', str, default='')
# Many of the compiler methods take this kwarg signature exactly, this allows
# simplifying the `typed_kwargs` calls
_COMMON_KWS: T.List[KwargInfo] = [_ARGS_KW, _DEPENDENCIES_KW, _INCLUDE_DIRS_KW, _PREFIX_KW, _NO_BUILTIN_ARGS_KW]
# Common methods of compiles, links, runs, and similar
_COMPILES_KWS: T.List[KwargInfo] = [_NAME_KW, _ARGS_KW, _DEPENDENCIES_KW, _INCLUDE_DIRS_KW, _NO_BUILTIN_ARGS_KW]
_HEADER_KWS: T.List[KwargInfo] = [REQUIRED_KW.evolve(since='0.50.0', default=False), *_COMMON_KWS]
class CompilerHolder(ObjectHolder['Compiler']):
def __init__(self, compiler: 'Compiler', interpreter: 'Interpreter'):
super().__init__(compiler, interpreter)
self.environment = self.env
self.methods.update({'compiles': self.compiles_method,
'links': self.links_method,
'get_id': self.get_id_method,
'get_linker_id': self.get_linker_id_method,
'compute_int': self.compute_int_method,
'sizeof': self.sizeof_method,
'get_define': self.get_define_method,
'check_header': self.check_header_method,
'has_header': self.has_header_method,
'has_header_symbol': self.has_header_symbol_method,
'run': self.run_method,
'has_function': self.has_function_method,
'has_member': self.has_member_method,
'has_members': self.has_members_method,
'has_type': self.has_type_method,
'alignment': self.alignment_method,
'version': self.version_method,
'cmd_array': self.cmd_array_method,
'find_library': self.find_library_method,
'has_argument': self.has_argument_method,
'has_function_attribute': self.has_func_attribute_method,
'get_supported_function_attributes': self.get_supported_function_attributes_method,
'has_multi_arguments': self.has_multi_arguments_method,
'get_supported_arguments': self.get_supported_arguments_method,
'first_supported_argument': self.first_supported_argument_method,
'has_link_argument': self.has_link_argument_method,
'has_multi_link_arguments': self.has_multi_link_arguments_method,
'get_supported_link_arguments': self.get_supported_link_arguments_method,
'first_supported_link_argument': self.first_supported_link_argument_method,
'symbols_have_underscore_prefix': self.symbols_have_underscore_prefix_method,
'get_argument_syntax': self.get_argument_syntax_method,
})
@property
def compiler(self) -> 'Compiler':
return self.held_object
def _dep_msg(self, deps: T.List['dependencies.Dependency'], endl: str) -> str:
msg_single = 'with dependency {}'
msg_many = 'with dependencies {}'
if not deps:
return endl
if endl is None:
endl = ''
names = []
for d in deps:
if isinstance(d, dependencies.InternalDependency):
FeatureNew.single_use('compiler method "dependencies" kwarg with internal dep', '0.57.0', self.subproject,
location=self.current_node)
continue
if isinstance(d, dependencies.ExternalLibrary):
name = '-l' + d.name
else:
name = d.name
names.append(name)
if not names:
return None
tpl = msg_many if len(names) > 1 else msg_single
return tpl.format(', '.join(names)) + endl
@noPosargs
@noKwargs
def version_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str:
return self.compiler.version
@noPosargs
@noKwargs
def cmd_array_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> T.List[str]:
return self.compiler.exelist
def _determine_args(self, nobuiltins: bool,
incdirs: T.List[build.IncludeDirs],
extra_args: T.List[str],
mode: CompileCheckMode = CompileCheckMode.LINK) -> T.List[str]:
args: T.List[str] = []
for i in incdirs:
for idir in i.to_string_list(self.environment.get_source_dir()):
args.extend(self.compiler.get_include_args(idir, False))
if not nobuiltins:
opts = self.environment.coredata.options
args += self.compiler.get_option_compile_args(opts)
if mode is CompileCheckMode.LINK:
args.extend(self.compiler.get_option_link_args(opts))
args.extend(extra_args)
return args
def _determine_dependencies(self, deps: T.List['dependencies.Dependency'], endl: str = ':') -> T.Tuple[T.List['dependencies.Dependency'], str]:
if deps:
final_deps = []
while deps:
next_deps = []
for d in mesonlib.listify(deps):
if not isinstance(d, dependencies.Dependency) or d.is_built():
raise InterpreterException('Dependencies must be external dependencies')
final_deps.append(d)
next_deps.extend(d.ext_deps)
deps = next_deps
deps = final_deps
else:
# Ensure that we always return a new instance
deps = deps.copy()
return deps, self._dep_msg(deps, endl)
@typed_pos_args('compiler.alignment', str)
@typed_kwargs(
'compiler.alignment',
_PREFIX_KW,
_ARGS_KW,
_DEPENDENCIES_KW,
)
def alignment_method(self, args: T.Tuple[str], kwargs: 'AlignmentKw') -> int:
typename = args[0]
deps, msg = self._determine_dependencies(kwargs['dependencies'])
result = self.compiler.alignment(typename, kwargs['prefix'], self.environment,
extra_args=kwargs['args'],
dependencies=deps)
mlog.log('Checking for alignment of', mlog.bold(typename, True), msg, result)
return result
@typed_pos_args('compiler.run', (str, mesonlib.File))
@typed_kwargs('compiler.run', *_COMPILES_KWS)
def run_method(self, args: T.Tuple['mesonlib.FileOrString'], kwargs: 'CompileKW') -> 'RunResult':
code = args[0]
if isinstance(code, mesonlib.File):
self.interpreter.add_build_def_file(code)
code = mesonlib.File.from_absolute_file(
code.rel_to_builddir(self.environment.source_dir))
testname = kwargs['name']
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'], endl=None)
result = self.compiler.run(code, self.environment, extra_args=extra_args,
dependencies=deps)
if testname:
if not result.compiled:
h = mlog.red('DID NOT COMPILE')
elif result.returncode == 0:
h = mlog.green('YES')
else:
h = mlog.red(f'NO ({result.returncode})')
mlog.log('Checking if', mlog.bold(testname, True), msg, 'runs:', h)
return result
@noPosargs
@noKwargs
def get_id_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str:
return self.compiler.get_id()
@noPosargs
@noKwargs
@FeatureNew('compiler.get_linker_id', '0.53.0')
def get_linker_id_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str:
return self.compiler.get_linker_id()
@noPosargs
@noKwargs
def symbols_have_underscore_prefix_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool:
'''
Check if the compiler prefixes _ (underscore) to global C symbols
See: https://en.wikipedia.org/wiki/Name_mangling#C
'''
return self.compiler.symbols_have_underscore_prefix(self.environment)
@typed_pos_args('compiler.has_member', str, str)
@typed_kwargs('compiler.has_member', *_COMMON_KWS)
def has_member_method(self, args: T.Tuple[str, str], kwargs: 'CommonKW') -> bool:
typename, membername = args
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
had, cached = self.compiler.has_members(typename, [membername], kwargs['prefix'],
self.environment,
extra_args=extra_args,
dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
mlog.log('Checking whether type', mlog.bold(typename, True),
'has member', mlog.bold(membername, True), msg, hadtxt, cached_msg)
return had
@typed_pos_args('compiler.has_members', str, varargs=str, min_varargs=1)
@typed_kwargs('compiler.has_members', *_COMMON_KWS)
def has_members_method(self, args: T.Tuple[str, T.List[str]], kwargs: 'CommonKW') -> bool:
typename, membernames = args
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
had, cached = self.compiler.has_members(typename, membernames, kwargs['prefix'],
self.environment,
extra_args=extra_args,
dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
members = mlog.bold(', '.join([f'"{m}"' for m in membernames]))
mlog.log('Checking whether type', mlog.bold(typename, True),
'has members', members, msg, hadtxt, cached_msg)
return had
@typed_pos_args('compiler.has_function', str)
@typed_kwargs('compiler.has_function', *_COMMON_KWS)
def has_function_method(self, args: T.Tuple[str], kwargs: 'CommonKW') -> bool:
funcname = args[0]
extra_args = self._determine_args(kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
had, cached = self.compiler.has_function(funcname, kwargs['prefix'], self.environment,
extra_args=extra_args,
dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
mlog.log('Checking for function', mlog.bold(funcname, True), msg, hadtxt, cached_msg)
return had
@typed_pos_args('compiler.has_type', str)
@typed_kwargs('compiler.has_type', *_COMMON_KWS)
def has_type_method(self, args: T.Tuple[str], kwargs: 'CommonKW') -> bool:
typename = args[0]
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
had, cached = self.compiler.has_type(typename, kwargs['prefix'], self.environment,
extra_args=extra_args, dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if had:
hadtxt = mlog.green('YES')
else:
hadtxt = mlog.red('NO')
mlog.log('Checking for type', mlog.bold(typename, True), msg, hadtxt, cached_msg)
return had
@FeatureNew('compiler.compute_int', '0.40.0')
@typed_pos_args('compiler.compute_int', str)
@typed_kwargs(
'compiler.compute_int',
KwargInfo('low', (int, NoneType)),
KwargInfo('high', (int, NoneType)),
KwargInfo('guess', (int, NoneType)),
*_COMMON_KWS,
)
def compute_int_method(self, args: T.Tuple[str], kwargs: 'CompupteIntKW') -> int:
expression = args[0]
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
res = self.compiler.compute_int(expression, kwargs['low'], kwargs['high'],
kwargs['guess'], kwargs['prefix'],
self.environment, extra_args=extra_args,
dependencies=deps)
mlog.log('Computing int of', mlog.bold(expression, True), msg, res)
return res
@typed_pos_args('compiler.sizeof', str)
@typed_kwargs('compiler.sizeof', *_COMMON_KWS)
def sizeof_method(self, args: T.Tuple[str], kwargs: 'CommonKW') -> int:
element = args[0]
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
esize = self.compiler.sizeof(element, kwargs['prefix'], self.environment,
extra_args=extra_args, dependencies=deps)
mlog.log('Checking for size of', mlog.bold(element, True), msg, esize)
return esize
@FeatureNew('compiler.get_define', '0.40.0')
@typed_pos_args('compiler.get_define', str)
@typed_kwargs('compiler.get_define', *_COMMON_KWS)
def get_define_method(self, args: T.Tuple[str], kwargs: 'CommonKW') -> str:
element = args[0]
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
value, cached = self.compiler.get_define(element, kwargs['prefix'], self.environment,
extra_args=extra_args,
dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
mlog.log('Fetching value of define', mlog.bold(element, True), msg, value, cached_msg)
return value
@typed_pos_args('compiler.compiles', (str, mesonlib.File))
@typed_kwargs('compiler.compiles', *_COMPILES_KWS)
def compiles_method(self, args: T.Tuple['mesonlib.FileOrString'], kwargs: 'CompileKW') -> bool:
code = args[0]
if isinstance(code, mesonlib.File):
self.interpreter.add_build_def_file(code)
code = mesonlib.File.from_absolute_file(
code.rel_to_builddir(self.environment.source_dir))
testname = kwargs['name']
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'], endl=None)
result, cached = self.compiler.compiles(code, self.environment,
extra_args=extra_args,
dependencies=deps)
if testname:
if result:
h = mlog.green('YES')
else:
h = mlog.red('NO')
cached_msg = mlog.blue('(cached)') if cached else ''
mlog.log('Checking if', mlog.bold(testname, True), msg, 'compiles:', h, cached_msg)
return result
@typed_pos_args('compiler.links', (str, mesonlib.File))
@typed_kwargs('compiler.links', *_COMPILES_KWS)
def links_method(self, args: T.Tuple['mesonlib.FileOrString'], kwargs: 'CompileKW') -> bool:
code = args[0]
compiler = None
if isinstance(code, mesonlib.File):
self.interpreter.add_build_def_file(code)
code = mesonlib.File.from_absolute_file(
code.rel_to_builddir(self.environment.source_dir))
suffix = code.suffix
if suffix not in self.compiler.file_suffixes:
for_machine = self.compiler.for_machine
clist = self.interpreter.coredata.compilers[for_machine]
if suffix not in SUFFIX_TO_LANG:
# just pass it to the compiler driver
mlog.warning(f'Unknown suffix for test file {code}')
elif SUFFIX_TO_LANG[suffix] not in clist:
mlog.warning(f'Passed {SUFFIX_TO_LANG[suffix]} source to links method, not specified for {for_machine.get_lower_case_name()} machine.')
else:
compiler = clist[SUFFIX_TO_LANG[suffix]]
testname = kwargs['name']
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
result, cached = self.compiler.links(code, self.environment,
compiler=compiler,
extra_args=extra_args,
dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if testname:
if result:
h = mlog.green('YES')
else:
h = mlog.red('NO')
mlog.log('Checking if', mlog.bold(testname, True), msg, 'links:', h, cached_msg)
return result
@FeatureNew('compiler.check_header', '0.47.0')
@typed_pos_args('compiler.check_header', str)
@typed_kwargs('compiler.check_header', *_HEADER_KWS)
def check_header_method(self, args: T.Tuple[str], kwargs: 'HeaderKW') -> bool:
hname = args[0]
disabled, required, feature = extract_required_kwarg(kwargs, self.subproject, default=False)
if disabled:
mlog.log('Check usable header', mlog.bold(hname, True), 'skipped: feature', mlog.bold(feature), 'disabled')
return False
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
haz, cached = self.compiler.check_header(hname, kwargs['prefix'], self.environment,
extra_args=extra_args,
dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if required and not haz:
raise InterpreterException(f'{self.compiler.get_display_language()} header {hname!r} not usable')
elif haz:
h = mlog.green('YES')
else:
h = mlog.red('NO')
mlog.log('Check usable header', mlog.bold(hname, True), msg, h, cached_msg)
return haz
def _has_header_impl(self, hname: str, kwargs: 'HeaderKW') -> bool:
disabled, required, feature = extract_required_kwarg(kwargs, self.subproject, default=False)
if disabled:
mlog.log('Has header', mlog.bold(hname, True), 'skipped: feature', mlog.bold(feature), 'disabled')
return False
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
haz, cached = self.compiler.has_header(hname, kwargs['prefix'], self.environment,
extra_args=extra_args, dependencies=deps)
cached_msg = mlog.blue('(cached)') if cached else ''
if required and not haz:
raise InterpreterException(f'{self.compiler.get_display_language()} header {hname!r} not found')
elif haz:
h = mlog.green('YES')
else:
h = mlog.red('NO')
mlog.log('Has header', mlog.bold(hname, True), msg, h, cached_msg)
return haz
@typed_pos_args('compiler.has_header', str)
@typed_kwargs('compiler.has_header', *_HEADER_KWS)
def has_header_method(self, args: T.Tuple[str], kwargs: 'HeaderKW') -> bool:
return self._has_header_impl(args[0], kwargs)
@typed_pos_args('compiler.has_header_symbol', str, str)
@typed_kwargs('compiler.has_header_symbol', *_HEADER_KWS)
def has_header_symbol_method(self, args: T.Tuple[str, str], kwargs: 'HeaderKW') -> bool:
hname, symbol = args
disabled, required, feature = extract_required_kwarg(kwargs, self.subproject, default=False)
if disabled:
mlog.log(f'Header <{hname}> has symbol', mlog.bold(symbol, True), 'skipped: feature', mlog.bold(feature), 'disabled')
return False
extra_args = functools.partial(self._determine_args, kwargs['no_builtin_args'], kwargs['include_directories'], kwargs['args'])
deps, msg = self._determine_dependencies(kwargs['dependencies'])
haz, cached = self.compiler.has_header_symbol(hname, symbol, kwargs['prefix'], self.environment,
extra_args=extra_args,
dependencies=deps)
if required and not haz:
raise InterpreterException(f'{self.compiler.get_display_language()} symbol {symbol} not found in header {hname}')
elif haz:
h = mlog.green('YES')
else:
h = mlog.red('NO')
cached_msg = mlog.blue('(cached)') if cached else ''
mlog.log(f'Header <{hname}> has symbol', mlog.bold(symbol, True), msg, h, cached_msg)
return haz
def notfound_library(self, libname: str) -> 'dependencies.ExternalLibrary':
lib = dependencies.ExternalLibrary(libname, None,
self.environment,
self.compiler.language,
silent=True)
return lib
@disablerIfNotFound
@typed_pos_args('compiler.find_library', str)
@typed_kwargs(
'compiler.find_library',
KwargInfo('required', (bool, coredata.UserFeatureOption), default=True),
KwargInfo('has_headers', ContainerTypeInfo(list, str), listify=True, default=[], since='0.50.0'),
KwargInfo('static', (bool, NoneType), since='0.51.0'),
KwargInfo('disabler', bool, default=False, since='0.49.0'),
KwargInfo('dirs', ContainerTypeInfo(list, str), listify=True, default=[]),
*(k.evolve(name=f'header_{k.name}') for k in _HEADER_KWS)
)
def find_library_method(self, args: T.Tuple[str], kwargs: 'FindLibraryKW') -> 'dependencies.ExternalLibrary':
# TODO add dependencies support?
libname = args[0]
disabled, required, feature = extract_required_kwarg(kwargs, self.subproject)
if disabled:
mlog.log('Library', mlog.bold(libname), 'skipped: feature', mlog.bold(feature), 'disabled')
return self.notfound_library(libname)
# This could be done with a comprehension, but that confuses the type
# checker, and having it check this seems valuable
has_header_kwargs: 'HeaderKW' = {
'required': required,
'args': kwargs['header_args'],
'dependencies': kwargs['header_dependencies'],
'include_directories': kwargs['header_include_directories'],
'prefix': kwargs['header_prefix'],
'no_builtin_args': kwargs['header_no_builtin_args'],
}
for h in kwargs['has_headers']:
if not self._has_header_impl(h, has_header_kwargs):
return self.notfound_library(libname)
search_dirs = extract_search_dirs(kwargs)
if kwargs['static'] is True:
libtype = mesonlib.LibType.STATIC
elif kwargs['static'] is False:
libtype = mesonlib.LibType.SHARED
else:
libtype = mesonlib.LibType.PREFER_SHARED
linkargs = self.compiler.find_library(libname, self.environment, search_dirs, libtype)
if required and not linkargs:
if libtype == mesonlib.LibType.PREFER_SHARED:
libtype_s = 'shared or static'
else:
libtype_s = libtype.name.lower()
raise InterpreterException('{} {} library {!r} not found'
.format(self.compiler.get_display_language(),
libtype_s, libname))
lib = dependencies.ExternalLibrary(libname, linkargs, self.environment,
self.compiler.language)
return lib
def _has_argument_impl(self, arguments: T.Union[str, T.List[str]],
mode: _TestMode = _TestMode.COMPILER) -> bool:
"""Shared implementation for methods checking compiler and linker arguments."""
# This simplifies the callers
if isinstance(arguments, str):
arguments = [arguments]
test = self.compiler.has_multi_link_arguments if mode is _TestMode.LINKER else self.compiler.has_multi_arguments
result, cached = test(arguments, self.environment)
cached_msg = mlog.blue('(cached)') if cached else ''
mlog.log(
'Compiler for',
self.compiler.get_display_language(),
'supports{}'.format(' link' if mode is _TestMode.LINKER else ''),
'arguments {}:'.format(' '.join(arguments)),
mlog.green('YES') if result else mlog.red('NO'),
cached_msg)
return result
@noKwargs
@typed_pos_args('compiler.has_argument', str)
def has_argument_method(self, args: T.Tuple[str], kwargs: 'TYPE_kwargs') -> bool:
return self._has_argument_impl([args[0]])
@noKwargs
@typed_pos_args('compiler.has_multi_arguments', varargs=str)
@FeatureNew('compiler.has_multi_arguments', '0.37.0')
def has_multi_arguments_method(self, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> bool:
return self._has_argument_impl(args[0])
@FeatureNew('compiler.get_supported_arguments', '0.43.0')
@typed_pos_args('compiler.get_supported_arguments', varargs=str)
@typed_kwargs(
'compiler.get_supported_arguments',
KwargInfo('checked', str, default='off', since='0.59.0',
validator=in_set_validator({'warn', 'require', 'off'})),
)
def get_supported_arguments_method(self, args: T.Tuple[T.List[str]], kwargs: 'GetSupportedArgumentKw') -> T.List[str]:
supported_args: T.List[str] = []
checked = kwargs['checked']
for arg in args[0]:
if not self._has_argument_impl([arg]):
msg = f'Compiler for {self.compiler.get_display_language()} does not support "{arg}"'
if checked == 'warn':
mlog.warning(msg)
elif checked == 'require':
raise mesonlib.MesonException(msg)
else:
supported_args.append(arg)
return supported_args
@noKwargs
@typed_pos_args('compiler.first_supported_argument', varargs=str)
def first_supported_argument_method(self, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> T.List[str]:
for arg in args[0]:
if self._has_argument_impl([arg]):
mlog.log('First supported argument:', mlog.bold(arg))
return [arg]
mlog.log('First supported argument:', mlog.red('None'))
return []
@FeatureNew('compiler.has_link_argument', '0.46.0')
@noKwargs
@typed_pos_args('compiler.has_link_argument', str)
def has_link_argument_method(self, args: T.Tuple[str], kwargs: 'TYPE_kwargs') -> bool:
return self._has_argument_impl([args[0]], mode=_TestMode.LINKER)
@FeatureNew('compiler.has_multi_link_argument', '0.46.0')
@noKwargs
@typed_pos_args('compiler.has_multi_link_argument', varargs=str)
def has_multi_link_arguments_method(self, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> bool:
return self._has_argument_impl(args[0], mode=_TestMode.LINKER)
@FeatureNew('compiler.get_supported_link_arguments', '0.46.0')
@noKwargs
@typed_pos_args('compiler.get_supported_link_arguments', varargs=str)
def get_supported_link_arguments_method(self, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> T.List[str]:
supported_args: T.List[str] = []
for arg in args[0]:
if self._has_argument_impl([arg], mode=_TestMode.LINKER):
supported_args.append(arg)
return supported_args
@FeatureNew('compiler.first_supported_link_argument_method', '0.46.0')
@noKwargs
@typed_pos_args('compiler.first_supported_link_argument', varargs=str)
def first_supported_link_argument_method(self, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> T.List[str]:
for arg in args[0]:
if self._has_argument_impl([arg], mode=_TestMode.LINKER):
mlog.log('First supported link argument:', mlog.bold(arg))
return [arg]
mlog.log('First supported link argument:', mlog.red('None'))
return []
def _has_function_attribute_impl(self, attr: str) -> bool:
"""Common helper for function attribute testing."""
result, cached = self.compiler.has_func_attribute(attr, self.environment)
cached_msg = mlog.blue('(cached)') if cached else ''
h = mlog.green('YES') if result else mlog.red('NO')
mlog.log(f'Compiler for {self.compiler.get_display_language()} supports function attribute {attr}:', h, cached_msg)
return result
@FeatureNew('compiler.has_function_attribute', '0.48.0')
@noKwargs
@typed_pos_args('compiler.has_function_attribute', str)
def has_func_attribute_method(self, args: T.Tuple[str], kwargs: 'TYPE_kwargs') -> bool:
return self._has_function_attribute_impl(args[0])
@FeatureNew('compiler.get_supported_function_attributes', '0.48.0')
@noKwargs
@typed_pos_args('compiler.get_supported_function_attributes', varargs=str)
def get_supported_function_attributes_method(self, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> T.List[str]:
return [a for a in args[0] if self._has_function_attribute_impl(a)]
@FeatureNew('compiler.get_argument_syntax_method', '0.49.0')
@noPosargs
@noKwargs
def get_argument_syntax_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str:
return self.compiler.get_argument_syntax()