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interpreter.py
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interpreter.py
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# Copyright 2012-2021 The Meson development team
# 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.
from __future__ import annotations
from .. import mparser
from .. import environment
from .. import coredata
from .. import dependencies
from .. import mlog
from .. import build
from .. import optinterpreter
from .. import compilers
from .. import envconfig
from ..wrap import wrap, WrapMode
from .. import mesonlib
from ..mesonlib import (MesonBugException, HoldableObject, FileMode, MachineChoice, OptionKey,
listify, extract_as_list, has_path_sep, PerMachine)
from ..programs import ExternalProgram, NonExistingExternalProgram
from ..dependencies import Dependency
from ..depfile import DepFile
from ..interpreterbase import ContainerTypeInfo, InterpreterBase, KwargInfo, typed_kwargs, typed_pos_args
from ..interpreterbase import noPosargs, noKwargs, permittedKwargs, noArgsFlattening, noSecondLevelHolderResolving, unholder_return
from ..interpreterbase import InterpreterException, InvalidArguments, InvalidCode, SubdirDoneRequest
from ..interpreterbase import Disabler, disablerIfNotFound
from ..interpreterbase import FeatureNew, FeatureDeprecated, FeatureNewKwargs, FeatureDeprecatedKwargs
from ..interpreterbase import ObjectHolder
from ..modules import ExtensionModule, ModuleObject, MutableModuleObject, NewExtensionModule, NotFoundExtensionModule
from ..cmake import CMakeInterpreter
from ..backend.backends import ExecutableSerialisation
from . import interpreterobjects as OBJ
from . import compiler as compilerOBJ
from .mesonmain import MesonMain
from .dependencyfallbacks import DependencyFallbacksHolder
from .interpreterobjects import (
SubprojectHolder,
Test,
RunProcess,
extract_required_kwarg,
extract_search_dirs,
NullSubprojectInterpreter,
)
from .type_checking import (
COMMAND_KW,
CT_BUILD_ALWAYS,
CT_BUILD_ALWAYS_STALE,
CT_BUILD_BY_DEFAULT,
CT_INPUT_KW,
CT_INSTALL_DIR_KW,
MULTI_OUTPUT_KW,
OUTPUT_KW,
DEFAULT_OPTIONS,
DEPENDENCIES_KW,
DEPENDS_KW,
DEPEND_FILES_KW,
DEPFILE_KW,
DISABLER_KW,
D_MODULE_VERSIONS_KW,
ENV_KW,
ENV_METHOD_KW,
ENV_SEPARATOR_KW,
INCLUDE_DIRECTORIES,
INSTALL_KW,
INSTALL_DIR_KW,
INSTALL_MODE_KW,
LINK_WITH_KW,
LINK_WHOLE_KW,
CT_INSTALL_TAG_KW,
INSTALL_TAG_KW,
LANGUAGE_KW,
NATIVE_KW,
PRESERVE_PATH_KW,
REQUIRED_KW,
SOURCES_KW,
VARIABLES_KW,
NoneType,
in_set_validator,
variables_validator,
variables_convertor,
env_convertor_with_method
)
from . import primitives as P_OBJ
from pathlib import Path
from enum import Enum
import os
import shutil
import uuid
import re
import stat
import collections
import typing as T
import textwrap
import importlib
import copy
if T.TYPE_CHECKING:
import argparse
from typing_extensions import Literal
from . import kwargs
from ..backend.backends import Backend
from ..interpreterbase.baseobjects import InterpreterObject, TYPE_var, TYPE_kwargs
from ..programs import OverrideProgram
# Input source types passed to Targets
SourceInputs = T.Union[mesonlib.File, build.GeneratedList, build.BuildTarget, build.BothLibraries,
build.CustomTargetIndex, build.CustomTarget, build.GeneratedList,
build.ExtractedObjects, str]
# Input source types passed to the build.Target classes
SourceOutputs = T.Union[mesonlib.File, build.GeneratedList,
build.BuildTarget, build.CustomTargetIndex, build.CustomTarget,
build.ExtractedObjects, build.GeneratedList, build.StructuredSources]
def _project_version_validator(value: T.Union[T.List, str, mesonlib.File, None]) -> T.Optional[str]:
if isinstance(value, list):
if len(value) != 1:
return 'when passed as array must have a length of 1'
elif not isinstance(value[0], mesonlib.File):
return 'when passed as array must contain a File'
return None
def stringifyUserArguments(args: T.List[T.Any], quote: bool = False) -> str:
if isinstance(args, list):
return '[%s]' % ', '.join([stringifyUserArguments(x, True) for x in args])
elif isinstance(args, dict):
return '{%s}' % ', '.join(['{} : {}'.format(stringifyUserArguments(k, True), stringifyUserArguments(v, True)) for k, v in args.items()])
elif isinstance(args, bool):
return 'true' if args else 'false'
elif isinstance(args, int):
return str(args)
elif isinstance(args, str):
return f"'{args}'" if quote else args
raise InvalidArguments('Function accepts only strings, integers, bools, lists, dictionaries and lists thereof.')
class Summary:
def __init__(self, project_name: str, project_version: str):
self.project_name = project_name
self.project_version = project_version
self.sections = collections.defaultdict(dict)
self.max_key_len = 0
def add_section(self, section: str, values: T.Dict[str, T.Any], bool_yn: bool,
list_sep: T.Optional[str], subproject: str) -> None:
for k, v in values.items():
if k in self.sections[section]:
raise InterpreterException(f'Summary section {section!r} already have key {k!r}')
formatted_values = []
for i in listify(v):
if isinstance(i, bool) and bool_yn:
formatted_values.append(mlog.green('YES') if i else mlog.red('NO'))
elif isinstance(i, (str, int, bool)):
formatted_values.append(str(i))
elif isinstance(i, (ExternalProgram, Dependency)):
FeatureNew.single_use('dependency or external program in summary', '0.57.0', subproject)
formatted_values.append(i.summary_value())
elif isinstance(i, coredata.UserOption):
FeatureNew.single_use('feature option in summary', '0.58.0', subproject)
formatted_values.append(i.printable_value())
else:
m = 'Summary value in section {!r}, key {!r}, must be string, integer, boolean, dependency or external program'
raise InterpreterException(m.format(section, k))
self.sections[section][k] = (formatted_values, list_sep)
self.max_key_len = max(self.max_key_len, len(k))
def dump(self):
mlog.log(self.project_name, mlog.normal_cyan(self.project_version))
for section, values in self.sections.items():
mlog.log('') # newline
if section:
mlog.log(' ', mlog.bold(section))
for k, v in values.items():
v, list_sep = v
padding = self.max_key_len - len(k)
end = ' ' if v else ''
mlog.log(' ' * 3, k + ' ' * padding + ':', end=end)
indent = self.max_key_len + 6
self.dump_value(v, list_sep, indent)
mlog.log('') # newline
def dump_value(self, arr, list_sep, indent):
lines_sep = '\n' + ' ' * indent
if list_sep is None:
mlog.log(*arr, sep=lines_sep)
return
max_len = shutil.get_terminal_size().columns
line = []
line_len = indent
lines_sep = list_sep.rstrip() + lines_sep
for v in arr:
v_len = len(v) + len(list_sep)
if line and line_len + v_len > max_len:
mlog.log(*line, sep=list_sep, end=lines_sep)
line_len = indent
line = []
line.append(v)
line_len += v_len
mlog.log(*line, sep=list_sep)
known_library_kwargs = (
build.known_shlib_kwargs |
build.known_stlib_kwargs
)
known_build_target_kwargs = (
known_library_kwargs |
build.known_exe_kwargs |
build.known_jar_kwargs |
{'target_type'}
)
TEST_KWARGS: T.List[KwargInfo] = [
KwargInfo('args', ContainerTypeInfo(list, (str, mesonlib.File, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex)),
listify=True, default=[]),
KwargInfo('should_fail', bool, default=False),
KwargInfo('timeout', int, default=30),
KwargInfo('workdir', (str, NoneType), default=None,
validator=lambda x: 'must be an absolute path' if not os.path.isabs(x) else None),
KwargInfo('protocol', str,
default='exitcode',
validator=in_set_validator({'exitcode', 'tap', 'gtest', 'rust'}),
since_values={'gtest': '0.55.0', 'rust': '0.57.0'}),
KwargInfo('priority', int, default=0, since='0.52.0'),
# TODO: env needs reworks of the way the environment variable holder itself works probably
ENV_KW,
DEPENDS_KW.evolve(since='0.46.0'),
KwargInfo('suite', ContainerTypeInfo(list, str), listify=True, default=['']), # yes, a list of empty string
KwargInfo('verbose', bool, default=False, since='0.62.0'),
]
class InterpreterRuleRelaxation(Enum):
''' Defines specific relaxations of the Meson rules.
This is intended to be used for automatically converted
projects (CMake subprojects, build system mixing) that
generate a Meson AST via introspection, etc.
'''
ALLOW_BUILD_DIR_FILE_REFFERENCES = 1
permitted_dependency_kwargs = {
'allow_fallback',
'cmake_args',
'cmake_module_path',
'cmake_package_version',
'components',
'default_options',
'fallback',
'include_type',
'language',
'main',
'method',
'modules',
'native',
'not_found_message',
'optional_modules',
'private_headers',
'required',
'static',
'version',
}
implicit_check_false_warning = """You should add the boolean check kwarg to the run_command call.
It currently defaults to false,
but it will default to true in future releases of meson.
See also: https://github.com/mesonbuild/meson/issues/9300"""
class Interpreter(InterpreterBase, HoldableObject):
def __init__(
self,
_build: build.Build,
backend: T.Optional[Backend] = None,
subproject: str = '',
subdir: str = '',
subproject_dir: str = 'subprojects',
default_project_options: T.Optional[T.Dict[OptionKey, str]] = None,
mock: bool = False,
ast: T.Optional[mparser.CodeBlockNode] = None,
is_translated: bool = False,
relaxations: T.Optional[T.Set[InterpreterRuleRelaxation]] = None,
user_defined_options: T.Optional['argparse.Namespace'] = None,
) -> None:
super().__init__(_build.environment.get_source_dir(), subdir, subproject)
self.active_projectname = ''
self.build = _build
self.environment = self.build.environment
self.coredata = self.environment.get_coredata()
self.backend = backend
self.summary: T.Dict[str, 'Summary'] = {}
self.modules: T.Dict[str, NewExtensionModule] = {}
# Subproject directory is usually the name of the subproject, but can
# be different for dependencies provided by wrap files.
self.subproject_directory_name = subdir.split(os.path.sep)[-1]
self.subproject_dir = subproject_dir
self.option_file = os.path.join(self.source_root, self.subdir, 'meson_options.txt')
self.relaxations = relaxations or set()
if not mock and ast is None:
self.load_root_meson_file()
self.sanity_check_ast()
elif ast is not None:
self.ast = ast
self.sanity_check_ast()
self.builtin.update({'meson': MesonMain(self.build, self)})
self.generators: T.List[build.Generator] = []
self.processed_buildfiles = set() # type: T.Set[str]
self.project_args_frozen = False
self.global_args_frozen = False # implies self.project_args_frozen
self.subprojects: T.Dict[str, SubprojectHolder] = {}
self.subproject_stack: T.List[str] = []
self.configure_file_outputs: T.Dict[str, int] = {}
# Passed from the outside, only used in subprojects.
if default_project_options:
self.default_project_options = default_project_options.copy()
else:
self.default_project_options = {}
self.project_default_options: T.Dict[OptionKey, str] = {}
self.build_func_dict()
self.build_holder_map()
self.user_defined_options = user_defined_options
self.compilers: PerMachine[T.Dict[str, 'compilers.Compiler']] = PerMachine({}, {})
# build_def_files needs to be defined before parse_project is called
#
# For non-meson subprojects, we'll be using the ast. Even if it does
# exist we don't want to add a dependency on it, it's autogenerated
# from the actual build files, and is just for reference.
self.build_def_files: mesonlib.OrderedSet[str] = mesonlib.OrderedSet()
build_filename = os.path.join(self.subdir, environment.build_filename)
if not is_translated:
self.build_def_files.add(build_filename)
if not mock:
self.parse_project()
self._redetect_machines()
def __getnewargs_ex__(self) -> T.Tuple[T.Tuple[object], T.Dict[str, object]]:
raise MesonBugException('This class is unpicklable')
def _redetect_machines(self) -> None:
# Re-initialize machine descriptions. We can do a better job now because we
# have the compilers needed to gain more knowledge, so wipe out old
# inference and start over.
machines = self.build.environment.machines.miss_defaulting()
machines.build = environment.detect_machine_info(self.coredata.compilers.build)
self.build.environment.machines = machines.default_missing()
assert self.build.environment.machines.build.cpu is not None
assert self.build.environment.machines.host.cpu is not None
assert self.build.environment.machines.target.cpu is not None
self.builtin['build_machine'] = \
OBJ.MachineHolder(self.build.environment.machines.build, self)
self.builtin['host_machine'] = \
OBJ.MachineHolder(self.build.environment.machines.host, self)
self.builtin['target_machine'] = \
OBJ.MachineHolder(self.build.environment.machines.target, self)
def build_func_dict(self) -> None:
self.funcs.update({'add_global_arguments': self.func_add_global_arguments,
'add_global_link_arguments': self.func_add_global_link_arguments,
'add_languages': self.func_add_languages,
'add_project_arguments': self.func_add_project_arguments,
'add_project_dependencies': self.func_add_project_dependencies,
'add_project_link_arguments': self.func_add_project_link_arguments,
'add_test_setup': self.func_add_test_setup,
'alias_target': self.func_alias_target,
'assert': self.func_assert,
'benchmark': self.func_benchmark,
'both_libraries': self.func_both_lib,
'build_target': self.func_build_target,
'configuration_data': self.func_configuration_data,
'configure_file': self.func_configure_file,
'custom_target': self.func_custom_target,
'debug': self.func_debug,
'declare_dependency': self.func_declare_dependency,
'dependency': self.func_dependency,
'disabler': self.func_disabler,
'environment': self.func_environment,
'error': self.func_error,
'executable': self.func_executable,
'files': self.func_files,
'find_library': self.func_find_library,
'find_program': self.func_find_program,
'generator': self.func_generator,
'get_option': self.func_get_option,
'get_variable': self.func_get_variable,
'gettext': self.func_gettext,
'import': self.func_import,
'include_directories': self.func_include_directories,
'install_data': self.func_install_data,
'install_emptydir': self.func_install_emptydir,
'install_headers': self.func_install_headers,
'install_man': self.func_install_man,
'install_subdir': self.func_install_subdir,
'install_symlink': self.func_install_symlink,
'is_disabler': self.func_is_disabler,
'is_variable': self.func_is_variable,
'jar': self.func_jar,
'join_paths': self.func_join_paths,
'library': self.func_library,
'message': self.func_message,
'option': self.func_option,
'project': self.func_project,
'range': self.func_range,
'run_command': self.func_run_command,
'run_target': self.func_run_target,
'set_variable': self.func_set_variable,
'structured_sources': self.func_structured_sources,
'subdir': self.func_subdir,
'shared_library': self.func_shared_lib,
'shared_module': self.func_shared_module,
'static_library': self.func_static_lib,
'subdir_done': self.func_subdir_done,
'subproject': self.func_subproject,
'summary': self.func_summary,
'test': self.func_test,
'unset_variable': self.func_unset_variable,
'vcs_tag': self.func_vcs_tag,
'warning': self.func_warning,
})
if 'MESON_UNIT_TEST' in os.environ:
self.funcs.update({'exception': self.func_exception})
def build_holder_map(self) -> None:
'''
Build a mapping of `HoldableObject` types to their corresponding
`ObjectHolder`s. This mapping is used in `InterpreterBase` to automatically
holderify all returned values from methods and functions.
'''
self.holder_map.update({
# Primitives
list: P_OBJ.ArrayHolder,
dict: P_OBJ.DictHolder,
int: P_OBJ.IntegerHolder,
bool: P_OBJ.BooleanHolder,
str: P_OBJ.StringHolder,
P_OBJ.MesonVersionString: P_OBJ.MesonVersionStringHolder,
P_OBJ.DependencyVariableString: P_OBJ.DependencyVariableStringHolder,
# Meson types
mesonlib.File: OBJ.FileHolder,
build.SharedLibrary: OBJ.SharedLibraryHolder,
build.StaticLibrary: OBJ.StaticLibraryHolder,
build.BothLibraries: OBJ.BothLibrariesHolder,
build.SharedModule: OBJ.SharedModuleHolder,
build.Executable: OBJ.ExecutableHolder,
build.Jar: OBJ.JarHolder,
build.CustomTarget: OBJ.CustomTargetHolder,
build.CustomTargetIndex: OBJ.CustomTargetIndexHolder,
build.Generator: OBJ.GeneratorHolder,
build.GeneratedList: OBJ.GeneratedListHolder,
build.ExtractedObjects: OBJ.GeneratedObjectsHolder,
build.RunTarget: OBJ.RunTargetHolder,
build.AliasTarget: OBJ.AliasTargetHolder,
build.Headers: OBJ.HeadersHolder,
build.Man: OBJ.ManHolder,
build.EmptyDir: OBJ.EmptyDirHolder,
build.Data: OBJ.DataHolder,
build.SymlinkData: OBJ.SymlinkDataHolder,
build.InstallDir: OBJ.InstallDirHolder,
build.IncludeDirs: OBJ.IncludeDirsHolder,
build.EnvironmentVariables: OBJ.EnvironmentVariablesHolder,
build.StructuredSources: OBJ.StructuredSourcesHolder,
compilers.RunResult: compilerOBJ.TryRunResultHolder,
dependencies.ExternalLibrary: OBJ.ExternalLibraryHolder,
coredata.UserFeatureOption: OBJ.FeatureOptionHolder,
envconfig.MachineInfo: OBJ.MachineHolder,
build.ConfigurationData: OBJ.ConfigurationDataHolder,
})
'''
Build a mapping of `HoldableObject` base classes to their
corresponding `ObjectHolder`s. The difference to `self.holder_map`
is that the keys here define an upper bound instead of requiring an
exact match.
The mappings defined here are only used when there was no direct hit
found in `self.holder_map`.
'''
self.bound_holder_map.update({
dependencies.Dependency: OBJ.DependencyHolder,
ExternalProgram: OBJ.ExternalProgramHolder,
compilers.Compiler: compilerOBJ.CompilerHolder,
ModuleObject: OBJ.ModuleObjectHolder,
MutableModuleObject: OBJ.MutableModuleObjectHolder,
})
def append_holder_map(self, held_type: T.Type[mesonlib.HoldableObject], holder_type: T.Type[ObjectHolder]) -> None:
'''
Adds one additional mapping to the `holder_map`.
The intended use for this function is in the `initialize` method of
modules to register custom object holders.
'''
self.holder_map.update({
held_type: holder_type
})
def process_new_values(self, invalues: T.List[T.Union[TYPE_var, ExecutableSerialisation]]) -> None:
invalues = listify(invalues)
for v in invalues:
if isinstance(v, ObjectHolder):
raise InterpreterException('Modules must not return ObjectHolders')
if isinstance(v, (build.BuildTarget, build.CustomTarget, build.RunTarget)):
self.add_target(v.name, v)
elif isinstance(v, list):
self.process_new_values(v)
elif isinstance(v, ExecutableSerialisation):
v.subproject = self.subproject
self.build.install_scripts.append(v)
elif isinstance(v, build.Data):
self.build.data.append(v)
elif isinstance(v, build.SymlinkData):
self.build.symlinks.append(v)
elif isinstance(v, dependencies.InternalDependency):
# FIXME: This is special cased and not ideal:
# The first source is our new VapiTarget, the rest are deps
self.process_new_values(v.sources[0])
elif isinstance(v, build.InstallDir):
self.build.install_dirs.append(v)
elif isinstance(v, Test):
self.build.tests.append(v)
elif isinstance(v, (int, str, bool, Disabler, ObjectHolder, build.GeneratedList,
ExternalProgram, build.ConfigurationData)):
pass
else:
raise InterpreterException(f'Module returned a value of unknown type {v!r}.')
def get_build_def_files(self) -> mesonlib.OrderedSet[str]:
return self.build_def_files
def add_build_def_file(self, f: mesonlib.FileOrString) -> None:
# Use relative path for files within source directory, and absolute path
# for system files. Skip files within build directory. Also skip not regular
# files (e.g. /dev/stdout) Normalize the path to avoid duplicates, this
# is especially important to convert '/' to '\' on Windows.
if isinstance(f, mesonlib.File):
if f.is_built:
return
f = os.path.normpath(f.relative_name())
elif os.path.isfile(f) and not f.startswith('/dev'):
srcdir = Path(self.environment.get_source_dir())
builddir = Path(self.environment.get_build_dir())
try:
f_ = Path(f).resolve()
except OSError:
f_ = Path(f)
s = f_.stat()
if (hasattr(s, 'st_file_attributes') and
s.st_file_attributes & stat.FILE_ATTRIBUTE_REPARSE_POINT != 0 and
s.st_reparse_tag == stat.IO_REPARSE_TAG_APPEXECLINK):
# This is a Windows Store link which we can't
# resolve, so just do our best otherwise.
f_ = f_.parent.resolve() / f_.name
else:
raise
if builddir in f_.parents:
return
if srcdir in f_.parents:
f_ = f_.relative_to(srcdir)
f = str(f_)
else:
return
if f not in self.build_def_files:
self.build_def_files.add(f)
def get_variables(self) -> T.Dict[str, InterpreterObject]:
return self.variables
def check_stdlibs(self) -> None:
machine_choices = [MachineChoice.HOST]
if self.coredata.is_cross_build():
machine_choices.append(MachineChoice.BUILD)
for for_machine in machine_choices:
props = self.build.environment.properties[for_machine]
for l in self.coredata.compilers[for_machine].keys():
try:
di = mesonlib.stringlistify(props.get_stdlib(l))
except KeyError:
continue
if len(di) == 1:
FeatureNew.single_use('stdlib without variable name', '0.56.0', self.subproject, location=self.current_node)
kwargs = {'native': for_machine is MachineChoice.BUILD,
}
name = l + '_stdlib'
df = DependencyFallbacksHolder(self, [name])
df.set_fallback(di)
dep = df.lookup(kwargs, force_fallback=True)
self.build.stdlibs[for_machine][l] = dep
@typed_pos_args('import', str)
@typed_kwargs(
'import',
REQUIRED_KW.evolve(since='0.59.0'),
DISABLER_KW.evolve(since='0.59.0'),
)
@disablerIfNotFound
def func_import(self, node: mparser.BaseNode, args: T.Tuple[str],
kwargs: 'kwargs.FuncImportModule') -> T.Union[ExtensionModule, NewExtensionModule, NotFoundExtensionModule]:
modname = args[0]
disabled, required, _ = extract_required_kwarg(kwargs, self.subproject)
if disabled:
return NotFoundExtensionModule(modname)
expect_unstable = False
# Some tests use "unstable_" instead of "unstable-", and that happens to work because
# of implementation details
if modname.startswith(('unstable-', 'unstable_')):
if modname.startswith('unstable_'):
mlog.deprecation(f'Importing unstable modules as "{modname}" instead of "{modname.replace("_", "-", 1)}"',
location=node)
real_modname = modname[len('unstable') + 1:] # + 1 to handle the - or _
expect_unstable = True
else:
real_modname = modname
if real_modname in self.modules:
return self.modules[real_modname]
try:
module = importlib.import_module(f'mesonbuild.modules.{real_modname}')
except ImportError:
if required:
raise InvalidArguments(f'Module "{modname}" does not exist')
ext_module = NotFoundExtensionModule(real_modname)
else:
ext_module = module.initialize(self)
assert isinstance(ext_module, (ExtensionModule, NewExtensionModule))
self.build.modules.append(real_modname)
if ext_module.INFO.added:
FeatureNew.single_use(f'module {ext_module.INFO.name}', ext_module.INFO.added, self.subproject, location=node)
if ext_module.INFO.deprecated:
FeatureDeprecated.single_use(f'module {ext_module.INFO.name}', ext_module.INFO.deprecated, self.subproject, location=node)
if expect_unstable and not ext_module.INFO.unstable and ext_module.INFO.stabilized is None:
raise InvalidArguments(f'Module {ext_module.INFO.name} has never been unstable, remove "unstable-" prefix.')
if ext_module.INFO.stabilized is not None:
if expect_unstable:
FeatureDeprecated.single_use(
f'module {ext_module.INFO.name} has been stabilized',
ext_module.INFO.stabilized, self.subproject,
'drop "unstable-" prefix from the module name',
location=node)
else:
FeatureNew.single_use(
f'module {ext_module.INFO.name} as stable module',
ext_module.INFO.stabilized, self.subproject,
f'Consider either adding "unstable-" to the module name, or updating the meson required version to ">= {ext_module.INFO.stabilized}"',
location=node)
elif ext_module.INFO.unstable:
if not expect_unstable:
if required:
raise InvalidArguments(f'Module "{ext_module.INFO.name}" has not been stabilized, and must be imported as unstable-{ext_module.INFO.name}')
ext_module = NotFoundExtensionModule(real_modname)
else:
mlog.warning(f'Module {ext_module.INFO.name} has no backwards or forwards compatibility and might not exist in future releases.', location=node)
self.modules[real_modname] = ext_module
return ext_module
@typed_pos_args('files', varargs=str)
@noKwargs
def func_files(self, node: mparser.FunctionNode, args: T.Tuple[T.List[str]], kwargs: 'TYPE_kwargs') -> T.List[mesonlib.File]:
return self.source_strings_to_files(args[0])
# Used by pkgconfig.generate()
def extract_variables(self, kwargs: T.Dict[str, T.Union[T.Dict[str, str], T.List[str], str]],
argname: str = 'variables', list_new: bool = False,
dict_new: bool = False) -> T.Dict[str, str]:
variables = kwargs.get(argname, {})
if isinstance(variables, dict):
if dict_new and variables:
FeatureNew.single_use(f'{argname} as dictionary', '0.56.0', self.subproject, location=self.current_node)
else:
variables = mesonlib.stringlistify(variables)
if list_new:
FeatureNew.single_use(f'{argname} as list of strings', '0.56.0', self.subproject, location=self.current_node)
invalid_msg = variables_validator(variables)
if invalid_msg is not None:
raise InterpreterException(invalid_msg)
variables = variables_convertor(variables)
for k, v in variables.items():
if not isinstance(v, str):
raise InterpreterException('variables values must be strings.')
return variables
@noPosargs
@typed_kwargs(
'declare_dependency',
KwargInfo('compile_args', ContainerTypeInfo(list, str), listify=True, default=[]),
INCLUDE_DIRECTORIES.evolve(name='d_import_dirs', since='0.62.0'),
D_MODULE_VERSIONS_KW.evolve(since='0.62.0'),
KwargInfo('link_args', ContainerTypeInfo(list, str), listify=True, default=[]),
DEPENDENCIES_KW,
INCLUDE_DIRECTORIES,
LINK_WITH_KW,
LINK_WHOLE_KW.evolve(since='0.46.0'),
SOURCES_KW,
VARIABLES_KW.evolve(since='0.54.0', since_values={list: '0.56.0'}),
KwargInfo('version', (str, NoneType)),
)
def func_declare_dependency(self, node, args, kwargs):
deps = kwargs['dependencies']
incs = self.extract_incdirs(kwargs)
libs = kwargs['link_with']
libs_whole = kwargs['link_whole']
sources = self.source_strings_to_files(kwargs['sources'])
compile_args = kwargs['compile_args']
link_args = kwargs['link_args']
variables = kwargs['variables']
version = kwargs['version']
if version is None:
version = self.project_version
d_module_versions = kwargs['d_module_versions']
d_import_dirs = self.extract_incdirs(kwargs, 'd_import_dirs')
srcdir = Path(self.environment.source_dir)
# convert variables which refer to an -uninstalled.pc style datadir
for k, v in variables.items():
try:
p = Path(v)
except ValueError:
continue
else:
if not self.is_subproject() and srcdir / self.subproject_dir in p.parents:
continue
if p.is_absolute() and p.is_dir() and srcdir / self.root_subdir in [p] + list(Path(os.path.abspath(p)).parents):
variables[k] = P_OBJ.DependencyVariableString(v)
for d in deps:
if not isinstance(d, dependencies.Dependency):
raise InterpreterException('Invalid dependency')
dep = dependencies.InternalDependency(version, incs, compile_args,
link_args, libs, libs_whole, sources, deps,
variables, d_module_versions, d_import_dirs)
return dep
@typed_pos_args('assert', bool, optargs=[str])
@noKwargs
def func_assert(self, node: mparser.FunctionNode, args: T.Tuple[bool, T.Optional[str]],
kwargs: 'TYPE_kwargs') -> None:
value, message = args
if message is None:
FeatureNew.single_use('assert function without message argument', '0.53.0', self.subproject, location=node)
if not value:
if message is None:
from ..ast import AstPrinter
printer = AstPrinter()
node.args.arguments[0].accept(printer)
message = printer.result
raise InterpreterException('Assert failed: ' + message)
def validate_arguments(self, args, argcount, arg_types):
if argcount is not None:
if argcount != len(args):
raise InvalidArguments(f'Expected {argcount} arguments, got {len(args)}.')
for actual, wanted in zip(args, arg_types):
if wanted is not None:
if not isinstance(actual, wanted):
raise InvalidArguments('Incorrect argument type.')
# Executables aren't actually accepted, but we allow them here to allow for
# better error messages when overridden
@typed_pos_args(
'run_command',
(build.Executable, ExternalProgram, compilers.Compiler, mesonlib.File, str),
varargs=(build.Executable, ExternalProgram, compilers.Compiler, mesonlib.File, str))
@typed_kwargs(
'run_command',
KwargInfo('check', (bool, NoneType), since='0.47.0'),
KwargInfo('capture', bool, default=True, since='0.47.0'),
ENV_KW.evolve(since='0.50.0'),
)
def func_run_command(self, node: mparser.BaseNode,
args: T.Tuple[T.Union[build.Executable, ExternalProgram, compilers.Compiler, mesonlib.File, str],
T.List[T.Union[build.Executable, ExternalProgram, compilers.Compiler, mesonlib.File, str]]],
kwargs: 'kwargs.RunCommand') -> RunProcess:
return self.run_command_impl(node, args, kwargs)
def run_command_impl(self,
node: mparser.BaseNode,
args: T.Tuple[T.Union[build.Executable, ExternalProgram, compilers.Compiler, mesonlib.File, str],
T.List[T.Union[build.Executable, ExternalProgram, compilers.Compiler, mesonlib.File, str]]],
kwargs: 'kwargs.RunCommand',
in_builddir: bool = False) -> RunProcess:
cmd, cargs = args
capture = kwargs['capture']
env = kwargs['env']
srcdir = self.environment.get_source_dir()
builddir = self.environment.get_build_dir()
check = kwargs['check']
if check is None:
mlog.warning(implicit_check_false_warning, once=True)
check = False
overridden_msg = ('Program {!r} was overridden with the compiled '
'executable {!r} and therefore cannot be used during '
'configuration')
expanded_args: T.List[str] = []
if isinstance(cmd, build.Executable):
for name, exe in self.build.find_overrides.items():
if cmd == exe:
progname = name
break
else:
raise MesonBugException('cmd was a built executable but not found in overrides table')
raise InterpreterException(overridden_msg.format(progname, cmd.description()))
if isinstance(cmd, ExternalProgram):
if not cmd.found():
raise InterpreterException(f'command {cmd.get_name()!r} not found or not executable')
elif isinstance(cmd, compilers.Compiler):
exelist = cmd.get_exelist()
cmd = exelist[0]
prog = ExternalProgram(cmd, silent=True)
if not prog.found():
raise InterpreterException(f'Program {cmd!r} not found or not executable')
cmd = prog
expanded_args = exelist[1:]
else:
if isinstance(cmd, mesonlib.File):
cmd = cmd.absolute_path(srcdir, builddir)
# Prefer scripts in the current source directory
search_dir = os.path.join(srcdir, self.subdir)
prog = ExternalProgram(cmd, silent=True, search_dir=search_dir)
if not prog.found():
raise InterpreterException(f'Program or command {cmd!r} not found or not executable')
cmd = prog
for a in cargs:
if isinstance(a, str):
expanded_args.append(a)
elif isinstance(a, mesonlib.File):
expanded_args.append(a.absolute_path(srcdir, builddir))
elif isinstance(a, ExternalProgram):
expanded_args.append(a.get_path())
elif isinstance(a, compilers.Compiler):
FeatureNew.single_use('Compiler object as a variadic argument to `run_command`', '0.61.0', self.subproject, location=node)
prog = ExternalProgram(a.exelist[0], silent=True)
if not prog.found():
raise InterpreterException(f'Program {cmd!r} not found or not executable')
expanded_args.append(prog.get_path())
else:
raise InterpreterException(overridden_msg.format(a.name, cmd.description()))
# If any file that was used as an argument to the command
# changes, we must re-run the configuration step.
self.add_build_def_file(cmd.get_path())
for a in expanded_args:
if not os.path.isabs(a):
a = os.path.join(builddir if in_builddir else srcdir, self.subdir, a)
self.add_build_def_file(a)
return RunProcess(cmd, expanded_args, env, srcdir, builddir, self.subdir,
self.environment.get_build_command() + ['introspect'],
in_builddir=in_builddir, check=check, capture=capture)
def func_gettext(self, nodes, args, kwargs):
raise InterpreterException('Gettext() function has been moved to module i18n. Import it and use i18n.gettext() instead')
def func_option(self, nodes, args, kwargs):
raise InterpreterException('Tried to call option() in build description file. All options must be in the option file.')
@typed_pos_args('subproject', str)
@typed_kwargs(
'subproject',
REQUIRED_KW,
DEFAULT_OPTIONS.evolve(since='0.38.0'),
KwargInfo('version', ContainerTypeInfo(list, str), default=[], listify=True),
)
def func_subproject(self, nodes: mparser.BaseNode, args: T.Tuple[str], kwargs_: kwargs.Subproject) -> SubprojectHolder:
kw: kwargs.DoSubproject = {
'required': kwargs_['required'],
'default_options': kwargs_['default_options'],
'version': kwargs_['version'],
'options': None,
'cmake_options': [],
}
return self.do_subproject(args[0], 'meson', kw)
def disabled_subproject(self, subp_name: str, disabled_feature: T.Optional[str] = None,
exception: T.Optional[Exception] = None) -> SubprojectHolder:
sub = SubprojectHolder(NullSubprojectInterpreter(), os.path.join(self.subproject_dir, subp_name),
disabled_feature=disabled_feature, exception=exception)
self.subprojects[subp_name] = sub
return sub
def do_subproject(self, subp_name: str, method: Literal['meson', 'cmake'], kwargs: kwargs.DoSubproject) -> SubprojectHolder:
disabled, required, feature = extract_required_kwarg(kwargs, self.subproject)
if disabled:
mlog.log('Subproject', mlog.bold(subp_name), ':', 'skipped: feature', mlog.bold(feature), 'disabled')
return self.disabled_subproject(subp_name, disabled_feature=feature)
default_options = coredata.create_options_dict(kwargs['default_options'], subp_name)
if subp_name == '':
raise InterpreterException('Subproject name must not be empty.')
if subp_name[0] == '.':
raise InterpreterException('Subproject name must not start with a period.')
if '..' in subp_name:
raise InterpreterException('Subproject name must not contain a ".." path segment.')
if os.path.isabs(subp_name):
raise InterpreterException('Subproject name must not be an absolute path.')
if has_path_sep(subp_name):
mlog.warning('Subproject name has a path separator. This may cause unexpected behaviour.',
location=self.current_node)
if subp_name in self.subproject_stack:
fullstack = self.subproject_stack + [subp_name]
incpath = ' => '.join(fullstack)
raise InvalidCode(f'Recursive include of subprojects: {incpath}.')
if subp_name in self.subprojects:
subproject = self.subprojects[subp_name]
if required and not subproject.found():
raise InterpreterException(f'Subproject "{subproject.subdir}" required but not found.')
if kwargs['version']:
pv = self.build.subprojects[subp_name]
wanted = kwargs['version']
if pv == 'undefined' or not mesonlib.version_compare_many(pv, wanted)[0]:
raise InterpreterException(f'Subproject {subp_name} version is {pv} but {wanted} required.')
return subproject
r = self.environment.wrap_resolver
try:
subdir = r.resolve(subp_name, method)
except wrap.WrapException as e:
if not required:
mlog.log(e)
mlog.log('Subproject ', mlog.bold(subp_name), 'is buildable:', mlog.red('NO'), '(disabling)')
return self.disabled_subproject(subp_name, exception=e)
raise e
subdir_abs = os.path.join(self.environment.get_source_dir(), subdir)
os.makedirs(os.path.join(self.build.environment.get_build_dir(), subdir), exist_ok=True)
self.global_args_frozen = True
stack = ':'.join(self.subproject_stack + [subp_name])
m = ['\nExecuting subproject', mlog.bold(stack)]
if method != 'meson':
m += ['method', mlog.bold(method)]
mlog.log(*m, '\n', nested=False)
try:
if method == 'meson':
return self._do_subproject_meson(subp_name, subdir, default_options, kwargs)
elif method == 'cmake':
return self._do_subproject_cmake(subp_name, subdir, subdir_abs, default_options, kwargs)
else:
raise mesonlib.MesonBugException(f'The method {method} is invalid for the subproject {subp_name}')
# Invalid code is always an error
except InvalidCode:
raise
except Exception as e:
if not required:
with mlog.nested(subp_name):
# Suppress the 'ERROR:' prefix because this exception is not
# fatal and VS CI treat any logs with "ERROR:" as fatal.
mlog.exception(e, prefix=mlog.yellow('Exception:'))
mlog.log('\nSubproject', mlog.bold(subdir), 'is buildable:', mlog.red('NO'), '(disabling)')
return self.disabled_subproject(subp_name, exception=e)
raise e
def _do_subproject_meson(self, subp_name: str, subdir: str,
default_options: T.Dict[OptionKey, str],
kwargs: kwargs.DoSubproject,
ast: T.Optional[mparser.CodeBlockNode] = None,
build_def_files: T.Optional[T.List[str]] = None,
is_translated: bool = False,
relaxations: T.Optional[T.Set[InterpreterRuleRelaxation]] = None) -> SubprojectHolder:
with mlog.nested(subp_name):
new_build = self.build.copy()
subi = Interpreter(new_build, self.backend, subp_name, subdir, self.subproject_dir,
default_options, ast=ast, is_translated=is_translated,
relaxations=relaxations,
user_defined_options=self.user_defined_options)
# Those lists are shared by all interpreters. That means that
# even if the subproject fails, any modification that the subproject
# made to those lists will affect the parent project.
subi.subprojects = self.subprojects
subi.modules = self.modules
subi.holder_map = self.holder_map
subi.bound_holder_map = self.bound_holder_map
subi.summary = self.summary
subi.subproject_stack = self.subproject_stack + [subp_name]
current_active = self.active_projectname
current_warnings_counter = mlog.log_warnings_counter
mlog.log_warnings_counter = 0
subi.run()
subi_warnings = mlog.log_warnings_counter