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diff --git a/meson/mesonbuild/interpreter/interpreter.py b/meson/mesonbuild/interpreter/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 .. import mparser
+from .. import environment
+from .. import coredata
+from .. import dependencies
+from .. import mlog
+from .. import build
+from .. import optinterpreter
+from .. import compilers
+from ..wrap import wrap, WrapMode
+from .. import mesonlib
+from ..mesonlib import HoldableObject, FileMode, MachineChoice, OptionKey, listify, extract_as_list, has_path_sep
+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, stringArgs, permittedKwargs, noArgsFlattening, noSecondLevelHolderResolving, permissive_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, RangeHolder
+from ..interpreterbase import TYPE_nkwargs, TYPE_nvar, TYPE_var
+from ..modules import ExtensionModule, ModuleObject, MutableModuleObject, NewExtensionModule, NotFoundExtensionModule
+from ..cmake import CMakeInterpreter
+from ..backend.backends import Backend, ExecutableSerialisation
+
+from . import interpreterobjects as OBJ
+from . import compiler as compilerOBJ
+from .mesonmain import MesonMain
+from .dependencyfallbacks import DependencyFallbacksHolder
+from .interpreterobjects import (
+ SubprojectHolder,
+ EnvironmentVariablesObject,
+ ConfigurationDataObject,
+ Test,
+ RunProcess,
+ extract_required_kwarg,
+ extract_search_dirs,
+ NullSubprojectInterpreter,
+)
+
+from pathlib import Path
+import os
+import shutil
+import uuid
+import re
+import stat
+import collections
+import typing as T
+import textwrap
+import importlib
+
+if T.TYPE_CHECKING:
+ from . import kwargs
+
+ # Input source types passed to Targets
+ SourceInputs = T.Union[mesonlib.File, build.GeneratedList, build.BuildTarget, build.BothLibraries,
+ build.CustomTargetIndex, build.CustomTarget, build.GeneratedList, str]
+ # Input source types passed to the build.Target5 classes
+ SourceOutputs = T.Union[mesonlib.File, build.GeneratedList,
+ build.BuildTarget, build.CustomTargetIndex, build.CustomTarget,
+ build.GeneratedList]
+
+
+def _language_validator(l: T.List[str]) -> T.Optional[str]:
+ """Validate language keyword argument.
+
+ Particularly for functions like `add_compiler()`, and `add_*_args()`
+ """
+ diff = {a.lower() for a in l}.difference(compilers.all_languages)
+ if diff:
+ return f'unknown languages: {", ".join(diff)}'
+ return None
+
+
+def _install_mode_validator(mode: T.List[T.Union[str, bool, int]]) -> T.Optional[str]:
+ """Validate the `install_mode` keyword argument.
+
+ This is a rather odd thing, it's a scalar, or an array of 3 values in the form:
+ [(str | False), (str | int | False) = False, (str | int | False) = False]
+ Where the second and third arguments are not required, and are considered to
+ default to False.
+ """
+ if not mode:
+ return None
+ if True in mode:
+ return 'can only be a string or false, not true'
+ if len(mode) > 3:
+ return 'may have at most 3 elements'
+
+ perms = mode[0]
+ if not isinstance(perms, (str, bool)):
+ return 'permissions part must be a string or false'
+
+ if isinstance(perms, str):
+ if not len(perms) == 9:
+ return (f'permissions string must be exactly 9 characters, got "{len(perms)}" '
+ 'in the form rwxr-xr-x')
+ for i in [0, 3, 6]:
+ if perms[i] not in {'-', 'r'}:
+ return f'bit {i} must be "-" or "r", not {perms[i]}'
+ for i in [1, 4, 7]:
+ if perms[i] not in {'-', 'w'}:
+ return f'bit {i} must be "-" or "w", not {perms[i]}'
+ for i in [2, 5]:
+ if perms[i] not in {'-', 'x', 's', 'S'}:
+ return f'bit {i} must be "-", "s", "S", or "x", not {perms[i]}'
+ if perms[8] not in {'-', 'x', 't', 'T'}:
+ return f'bit 8 must be "-", "t", "T", or "x", not {perms[8]}'
+
+ if len(mode) >= 2 and not isinstance(mode[1], (int, str, bool)):
+ return 'second componenent must be a string, number, or False if provided'
+ if len(mode) >= 3 and not isinstance(mode[2], (int, str, bool)):
+ return 'third componenent must be a string, number, or False if provided'
+
+ return None
+
+
+def _install_mode_convertor(mode: T.Optional[T.List[T.Union[str, bool, int]]]) -> FileMode:
+ """Convert the DSL form of the `install_mode` keyword arugment to `FileMode`
+
+ This is not required, and if not required returns None
+
+ TODO: It's not clear to me why this needs to be None and not just return an
+ emtpy FileMode.
+ """
+ # this has already been validated by the validator
+ return FileMode(*[m if isinstance(m, str) else None for m in mode])
+
+
+_NATIVE_KW = KwargInfo(
+ 'native', bool,
+ default=False,
+ convertor=lambda n: MachineChoice.BUILD if n else MachineChoice.HOST)
+
+_LANGUAGE_KW = KwargInfo(
+ 'language', ContainerTypeInfo(list, str, allow_empty=False),
+ listify=True,
+ required=True,
+ validator=_language_validator,
+ convertor=lambda x: [i.lower() for i in x])
+
+_INSTALL_MODE_KW = KwargInfo(
+ 'install_mode',
+ ContainerTypeInfo(list, (str, bool, int)),
+ listify=True,
+ default=[],
+ validator=_install_mode_validator,
+ convertor=_install_mode_convertor,
+)
+
+_REQUIRED_KW = KwargInfo(
+ 'required',
+ (bool, coredata.UserFeatureOption),
+ default=True,
+ # TODO: extract_required_kwarg could be converted to a convertor
+)
+
+
+def stringifyUserArguments(args, quote=False):
+ 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, int):
+ return str(args)
+ elif isinstance(args, str):
+ return f"'{args}'" if quote else args
+ raise InvalidArguments('Function accepts only strings, integers, lists, dictionaries and lists thereof.')
+
+class Summary:
+ def __init__(self, project_name, project_version):
+ 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, values, kwargs, subproject):
+ bool_yn = kwargs.get('bool_yn', False)
+ if not isinstance(bool_yn, bool):
+ raise InterpreterException('bool_yn keyword argument must be boolean')
+ list_sep = kwargs.get('list_sep')
+ if list_sep is not None and not isinstance(list_sep, str):
+ raise InterpreterException('list_sep keyword argument must be string')
+ 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.Target)),
+ listify=True, default=[]),
+ KwargInfo('should_fail', bool, default=False),
+ KwargInfo('timeout', int, default=30),
+ KwargInfo('workdir', str, default=None,
+ validator=lambda x: 'must be an absolute path' if not os.path.isabs(x) else None),
+ KwargInfo('protocol', str,
+ default='exitcode',
+ validator=lambda x: 'value must be one of "exitcode", "tap", "gtest", "rust"' if x not in {'exitcode', 'tap', 'gtest', 'rust'} else None,
+ since_values={'gtest': '0.55.0', 'rust': '0.57.0'}),
+ KwargInfo('depends', ContainerTypeInfo(list, (build.CustomTarget, build.BuildTarget)),
+ listify=True, default=[], since='0.46.0'),
+ KwargInfo('priority', int, default=0, since='0.52.0'),
+ # TODO: env needs reworks of the way the environment variable holder itself works probably
+ KwargInfo('env', (EnvironmentVariablesObject, list, dict, str)),
+ KwargInfo('suite', ContainerTypeInfo(list, str), listify=True, default=['']), # yes, a list of empty string
+]
+
+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',
+}
+
+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[str, str]] = None,
+ mock: bool = False,
+ ast: T.Optional[mparser.CodeBlockNode] = None,
+ is_translated: bool = False,
+ ) -> None:
+ super().__init__(_build.environment.get_source_dir(), subdir, subproject)
+ self.an_unpicklable_object = mesonlib.an_unpicklable_object
+ self.build = _build
+ self.environment = self.build.environment
+ self.coredata = self.environment.get_coredata()
+ self.backend = backend
+ self.summary = {}
+ self.modules = {}
+ # 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')
+ 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 = []
+ self.configure_file_outputs = {}
+ # 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 = {}
+ self.build_func_dict()
+ self.build_holder_map()
+
+ # 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 = []
+ build_filename = os.path.join(self.subdir, environment.build_filename)
+ if not is_translated:
+ self.build_def_files.append(build_filename)
+ if not mock:
+ self.parse_project()
+ self._redetect_machines()
+
+ def _redetect_machines(self):
+ # 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)
+
+ # TODO: Why is this in interpreter.py and not CoreData or Environment?
+ def get_non_matching_default_options(self) -> T.Iterator[T.Tuple[str, str, coredata.UserOption]]:
+ for def_opt_name, def_opt_value in self.project_default_options.items():
+ cur_opt_value = self.coredata.options.get(def_opt_name)
+ try:
+ if cur_opt_value is not None and cur_opt_value.validate_value(def_opt_value) != cur_opt_value.value:
+ yield (str(def_opt_name), def_opt_value, cur_opt_value)
+ except mesonlib.MesonException:
+ # Since the default value does not validate, it cannot be in use
+ # Report the user-specified value as non-matching
+ yield (str(def_opt_name), def_opt_value, cur_opt_value)
+
+ def build_func_dict(self):
+ self.funcs.update({'add_global_arguments': self.func_add_global_arguments,
+ 'add_project_arguments': self.func_add_project_arguments,
+ 'add_global_link_arguments': self.func_add_global_link_arguments,
+ 'add_project_link_arguments': self.func_add_project_link_arguments,
+ 'add_test_setup': self.func_add_test_setup,
+ 'add_languages': self.func_add_languages,
+ 'alias_target': self.func_alias_target,
+ 'assert': self.func_assert,
+ 'benchmark': self.func_benchmark,
+ 'build_target': self.func_build_target,
+ 'configuration_data': self.func_configuration_data,
+ 'configure_file': self.func_configure_file,
+ 'custom_target': self.func_custom_target,
+ '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,
+ 'generator': self.func_generator,
+ 'gettext': self.func_gettext,
+ 'get_option': self.func_get_option,
+ 'get_variable': self.func_get_variable,
+ 'files': self.func_files,
+ 'find_library': self.func_find_library,
+ 'find_program': self.func_find_program,
+ 'include_directories': self.func_include_directories,
+ 'import': self.func_import,
+ 'install_data': self.func_install_data,
+ 'install_headers': self.func_install_headers,
+ 'install_man': self.func_install_man,
+ 'install_subdir': self.func_install_subdir,
+ '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,
+ 'warning': self.func_warning,
+ 'option': self.func_option,
+ 'project': self.func_project,
+ 'run_target': self.func_run_target,
+ 'run_command': self.func_run_command,
+ 'set_variable': self.func_set_variable,
+ 'subdir': self.func_subdir,
+ 'subdir_done': self.func_subdir_done,
+ 'subproject': self.func_subproject,
+ 'summary': self.func_summary,
+ 'shared_library': self.func_shared_lib,
+ 'shared_module': self.func_shared_module,
+ 'static_library': self.func_static_lib,
+ 'both_libraries': self.func_both_lib,
+ 'test': self.func_test,
+ 'vcs_tag': self.func_vcs_tag,
+ 'range': self.func_range,
+ })
+ 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({
+ 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.Data: OBJ.DataHolder,
+ build.InstallDir: OBJ.InstallDirHolder,
+ build.IncludeDirs: OBJ.IncludeDirsHolder,
+ compilers.RunResult: compilerOBJ.TryRunResultHolder,
+ dependencies.ExternalLibrary: OBJ.ExternalLibraryHolder,
+ coredata.UserFeatureOption: OBJ.FeatureOptionHolder,
+ })
+
+ '''
+ 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 requireing 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[TYPE_var]) -> 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, 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)):
+ pass
+ else:
+ raise InterpreterException('Module returned a value of unknown type.')
+
+ def get_build_def_files(self) -> T.List[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.append(f)
+
+ def get_variables(self):
+ return self.variables
+
+ def check_stdlibs(self):
+ 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)
+ 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
+
+ def _import_module(self, modname: str, required: bool) -> T.Union[ExtensionModule, NewExtensionModule, NotFoundExtensionModule]:
+ if modname in self.modules:
+ return self.modules[modname]
+ try:
+ module = importlib.import_module('mesonbuild.modules.' + modname)
+ except ImportError:
+ if required:
+ raise InvalidArguments(f'Module "{modname}" does not exist')
+ ext_module = NotFoundExtensionModule()
+ else:
+ ext_module = module.initialize(self)
+ assert isinstance(ext_module, (ExtensionModule, NewExtensionModule))
+ self.modules[modname] = ext_module
+ return ext_module
+
+ @typed_pos_args('import', str)
+ @typed_kwargs(
+ 'import',
+ _REQUIRED_KW.evolve(since='0.59.0'),
+ KwargInfo('disabler', bool, default=False, 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()
+
+ if modname.startswith('unstable-'):
+ plainname = modname.split('-', 1)[1]
+ try:
+ # check if stable module exists
+ mod = self._import_module(plainname, required)
+ # XXX: this is acutally not helpful, since it doesn't do a version check
+ mlog.warning(f'Module {modname} is now stable, please use the {plainname} module instead.')
+ return mod
+ except InvalidArguments:
+ mlog.warning('Module %s has no backwards or forwards compatibility and might not exist in future releases.' % modname, location=node)
+ modname = 'unstable_' + plainname
+ return self._import_module(modname, required)
+
+ @stringArgs
+ @noKwargs
+ def func_files(self, node, args, kwargs):
+ return [mesonlib.File.from_source_file(self.environment.source_dir, self.subdir, fname) for fname in args]
+
+ # Used by declare_dependency() and pkgconfig.generate()
+ def extract_variables(self, kwargs, argname='variables', list_new=False, dict_new=False):
+ variables = kwargs.get(argname, {})
+ if isinstance(variables, dict):
+ if dict_new and variables:
+ FeatureNew.single_use('variables as dictionary', '0.56.0', self.subproject)
+ else:
+ varlist = mesonlib.stringlistify(variables)
+ if list_new:
+ FeatureNew.single_use('variables as list of strings', '0.56.0', self.subproject)
+ variables = collections.OrderedDict()
+ for v in varlist:
+ try:
+ (key, value) = v.split('=', 1)
+ except ValueError:
+ raise InterpreterException(f'Variable {v!r} must have a value separated by equals sign.')
+ variables[key.strip()] = value.strip()
+ for k, v in variables.items():
+ if not k or not v:
+ raise InterpreterException('Empty variable name or value')
+ if any(c.isspace() for c in k):
+ raise InterpreterException(f'Invalid whitespace in variable name "{k}"')
+ if not isinstance(v, str):
+ raise InterpreterException('variables values must be strings.')
+ return variables
+
+ @FeatureNewKwargs('declare_dependency', '0.46.0', ['link_whole'])
+ @FeatureNewKwargs('declare_dependency', '0.54.0', ['variables'])
+ @permittedKwargs({'include_directories', 'link_with', 'sources', 'dependencies',
+ 'compile_args', 'link_args', 'link_whole', 'version',
+ 'variables' })
+ @noPosargs
+ def func_declare_dependency(self, node, args, kwargs):
+ version = kwargs.get('version', self.project_version)
+ if not isinstance(version, str):
+ raise InterpreterException('Version must be a string.')
+ incs = self.extract_incdirs(kwargs)
+ libs = extract_as_list(kwargs, 'link_with')
+ libs_whole = extract_as_list(kwargs, 'link_whole')
+ sources = extract_as_list(kwargs, 'sources')
+ sources = listify(self.source_strings_to_files(sources))
+ deps = extract_as_list(kwargs, 'dependencies')
+ compile_args = mesonlib.stringlistify(kwargs.get('compile_args', []))
+ link_args = mesonlib.stringlistify(kwargs.get('link_args', []))
+ variables = self.extract_variables(kwargs, list_new=True)
+ final_deps = []
+ for d in deps:
+ if not isinstance(d, (dependencies.Dependency, dependencies.ExternalLibrary, dependencies.InternalDependency)):
+ raise InterpreterException('Dependencies must be external deps')
+ final_deps.append(d)
+ for l in libs:
+ if isinstance(l, dependencies.Dependency):
+ raise InterpreterException('''Entries in "link_with" may only be self-built targets,
+external dependencies (including libraries) must go to "dependencies".''')
+ dep = dependencies.InternalDependency(version, incs, compile_args,
+ link_args, libs, libs_whole, sources, final_deps,
+ variables)
+ return dep
+
+ @noKwargs
+ def func_assert(self, node, args, kwargs):
+ if len(args) == 1:
+ FeatureNew.single_use('assert function without message argument', '0.53.0', self.subproject)
+ value = args[0]
+ message = None
+ elif len(args) == 2:
+ value, message = args
+ if not isinstance(message, str):
+ raise InterpreterException('Assert message not a string.')
+ else:
+ raise InterpreterException('Assert takes between one and two arguments')
+ if not isinstance(value, bool):
+ raise InterpreterException('Assert value not bool.')
+ 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('Expected %d arguments, got %d.' %
+ (argcount, 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.')
+
+ @FeatureNewKwargs('run_command', '0.50.0', ['env'])
+ @FeatureNewKwargs('run_command', '0.47.0', ['check', 'capture'])
+ @permittedKwargs({'check', 'capture', 'env'})
+ def func_run_command(self, node, args, kwargs):
+ return self.run_command_impl(node, args, kwargs)
+
+ def run_command_impl(self,
+ node: mparser.BaseNode,
+ args: T.Sequence[TYPE_nvar],
+ kwargs: TYPE_nkwargs,
+ in_builddir: bool = False) -> RunProcess:
+ if len(args) < 1:
+ raise InterpreterException('Not enough arguments')
+ cmd, *cargs = args
+ capture = kwargs.get('capture', True)
+ srcdir = self.environment.get_source_dir()
+ builddir = self.environment.get_build_dir()
+
+ check = kwargs.get('check', False)
+ if not isinstance(check, bool):
+ raise InterpreterException('Check must be boolean.')
+
+ env = self.unpack_env_kwarg(kwargs)
+
+ m = 'must be a string, or the output of find_program(), files() '\
+ 'or configure_file(), or a compiler object; not {!r}'
+ expanded_args = []
+ if isinstance(cmd, build.Executable):
+ progname = node.args.arguments[0].value
+ msg = 'Program {!r} was overridden with the compiled executable {!r}'\
+ ' and therefore cannot be used during configuration'
+ raise InterpreterException(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)
+ elif not isinstance(cmd, str):
+ raise InterpreterException('First argument ' + m.format(cmd))
+ # 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 listify(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())
+ else:
+ raise InterpreterException('Arguments ' + m.format(a))
+ # 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)
+
+ @stringArgs
+ 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.')
+
+ @FeatureNewKwargs('subproject', '0.38.0', ['default_options'])
+ @permittedKwargs({'version', 'default_options', 'required'})
+ @stringArgs
+ def func_subproject(self, nodes, args, kwargs):
+ if len(args) != 1:
+ raise InterpreterException('Subproject takes exactly one argument')
+ return self.do_subproject(args[0], 'meson', kwargs)
+
+ def disabled_subproject(self, subp_name, disabled_feature=None, exception=None):
+ sub = SubprojectHolder(NullSubprojectInterpreter(), os.path.join(self.subproject_dir, subp_name),
+ disabled_feature=disabled_feature, exception=exception)
+ self.subprojects[subp_name] = sub
+ self.coredata.initialized_subprojects.add(subp_name)
+ return sub
+
+ def do_subproject(self, subp_name: str, method: str, kwargs):
+ 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 = mesonlib.stringlistify(kwargs.get('default_options', []))
+ default_options = coredata.create_options_dict(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('Recursive include of subprojects: %s.' % incpath)
+ if subp_name in self.subprojects:
+ subproject = self.subprojects[subp_name]
+ if required and not subproject.found():
+ raise InterpreterException('Subproject "%s" required but not found.' % (subproject.subdir))
+ return subproject
+
+ r = self.environment.wrap_resolver
+ try:
+ subdir = r.resolve(subp_name, method, self.subproject)
+ 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, kwargs,
+ ast: T.Optional[mparser.CodeBlockNode] = None,
+ build_def_files: T.Optional[T.List[str]] = None,
+ is_translated: bool = False) -> 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)
+ # 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
+ mlog.log_warnings_counter = current_warnings_counter
+
+ mlog.log('Subproject', mlog.bold(subp_name), 'finished.')
+
+ mlog.log()
+
+ if 'version' in kwargs:
+ pv = subi.project_version
+ 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.')
+ self.active_projectname = current_active
+ self.subprojects.update(subi.subprojects)
+ self.subprojects[subp_name] = SubprojectHolder(subi, subdir, warnings=subi_warnings)
+ # Duplicates are possible when subproject uses files from project root
+ if build_def_files:
+ self.build_def_files = list(set(self.build_def_files + build_def_files))
+ # We always need the subi.build_def_files, to propgate sub-sub-projects
+ self.build_def_files = list(set(self.build_def_files + subi.build_def_files))
+ self.build.merge(subi.build)
+ self.build.subprojects[subp_name] = subi.project_version
+ self.coredata.initialized_subprojects.add(subp_name)
+ return self.subprojects[subp_name]
+
+ def _do_subproject_cmake(self, subp_name, subdir, subdir_abs, default_options, kwargs):
+ with mlog.nested(subp_name):
+ new_build = self.build.copy()
+ prefix = self.coredata.options[OptionKey('prefix')].value
+
+ from ..modules.cmake import CMakeSubprojectOptions
+ options = kwargs.get('options', CMakeSubprojectOptions())
+ if not isinstance(options, CMakeSubprojectOptions):
+ raise InterpreterException('"options" kwarg must be CMakeSubprojectOptions'
+ ' object (created by cmake.subproject_options())')
+
+ cmake_options = mesonlib.stringlistify(kwargs.get('cmake_options', []))
+ cmake_options += options.cmake_options
+ cm_int = CMakeInterpreter(new_build, Path(subdir), Path(subdir_abs), Path(prefix), new_build.environment, self.backend)
+ cm_int.initialise(cmake_options)
+ cm_int.analyse()
+
+ # Generate a meson ast and execute it with the normal do_subproject_meson
+ ast = cm_int.pretend_to_be_meson(options.target_options)
+
+ mlog.log()
+ with mlog.nested('cmake-ast'):
+ mlog.log('Processing generated meson AST')
+
+ # Debug print the generated meson file
+ from ..ast import AstIndentationGenerator, AstPrinter
+ printer = AstPrinter()
+ ast.accept(AstIndentationGenerator())
+ ast.accept(printer)
+ printer.post_process()
+ meson_filename = os.path.join(self.build.environment.get_build_dir(), subdir, 'meson.build')
+ with open(meson_filename, "w", encoding='utf-8') as f:
+ f.write(printer.result)
+
+ mlog.log('Build file:', meson_filename)
+ mlog.cmd_ci_include(meson_filename)
+ mlog.log()
+
+ result = self._do_subproject_meson(subp_name, subdir, default_options, kwargs, ast, cm_int.bs_files, is_translated=True)
+ result.cm_interpreter = cm_int
+
+ mlog.log()
+ return result
+
+ def get_option_internal(self, optname: str):
+ key = OptionKey.from_string(optname).evolve(subproject=self.subproject)
+
+ if not key.is_project():
+ for opts in [self.coredata.options, compilers.base_options]:
+ v = opts.get(key)
+ if v is None or v.yielding:
+ v = opts.get(key.as_root())
+ if v is not None:
+ return v
+
+ try:
+ opt = self.coredata.options[key]
+ if opt.yielding and key.subproject and key.as_root() in self.coredata.options:
+ popt = self.coredata.options[key.as_root()]
+ if type(opt) is type(popt):
+ opt = popt
+ else:
+ # Get class name, then option type as a string
+ opt_type = opt.__class__.__name__[4:][:-6].lower()
+ popt_type = popt.__class__.__name__[4:][:-6].lower()
+ # This is not a hard error to avoid dependency hell, the workaround
+ # when this happens is to simply set the subproject's option directly.
+ mlog.warning('Option {0!r} of type {1!r} in subproject {2!r} cannot yield '
+ 'to parent option of type {3!r}, ignoring parent value. '
+ 'Use -D{2}:{0}=value to set the value for this option manually'
+ '.'.format(optname, opt_type, self.subproject, popt_type),
+ location=self.current_node)
+ return opt
+ except KeyError:
+ pass
+
+ raise InterpreterException('Tried to access unknown option "%s".' % optname)
+
+ @stringArgs
+ @noKwargs
+ def func_get_option(self, nodes, args, kwargs):
+ if len(args) != 1:
+ raise InterpreterException('Argument required for get_option.')
+ optname = args[0]
+ if ':' in optname:
+ raise InterpreterException('Having a colon in option name is forbidden, '
+ 'projects are not allowed to directly access '
+ 'options of other subprojects.')
+ opt = self.get_option_internal(optname)
+ if isinstance(opt, coredata.UserFeatureOption):
+ opt.name = optname
+ return opt
+ elif isinstance(opt, coredata.UserOption):
+ return opt.value
+ return opt
+
+ @noKwargs
+ def func_configuration_data(self, node, args, kwargs):
+ if len(args) > 1:
+ raise InterpreterException('configuration_data takes only one optional positional arguments')
+ elif len(args) == 1:
+ FeatureNew.single_use('configuration_data dictionary', '0.49.0', self.subproject)
+ initial_values = args[0]
+ if not isinstance(initial_values, dict):
+ raise InterpreterException('configuration_data first argument must be a dictionary')
+ else:
+ initial_values = {}
+ return ConfigurationDataObject(self.subproject, initial_values)
+
+ def set_backend(self):
+ # The backend is already set when parsing subprojects
+ if self.backend is not None:
+ return
+ backend = self.coredata.get_option(OptionKey('backend'))
+ from ..backend import backends
+ self.backend = backends.get_backend_from_name(backend, self.build, self)
+
+ if self.backend is None:
+ raise InterpreterException('Unknown backend "%s".' % backend)
+ if backend != self.backend.name:
+ if self.backend.name.startswith('vs'):
+ mlog.log('Auto detected Visual Studio backend:', mlog.bold(self.backend.name))
+ self.coredata.set_option(OptionKey('backend'), self.backend.name)
+
+ # Only init backend options on first invocation otherwise it would
+ # override values previously set from command line.
+ if self.environment.first_invocation:
+ self.coredata.init_backend_options(backend)
+
+ options = {k: v for k, v in self.environment.options.items() if k.is_backend()}
+ self.coredata.set_options(options)
+
+ @stringArgs
+ @permittedKwargs({'version', 'meson_version', 'default_options', 'license', 'subproject_dir'})
+ def func_project(self, node, args, kwargs):
+ if len(args) < 1:
+ raise InvalidArguments('Not enough arguments to project(). Needs at least the project name.')
+ proj_name, *proj_langs = args
+ if ':' in proj_name:
+ raise InvalidArguments(f"Project name {proj_name!r} must not contain ':'")
+
+ # This needs to be evaluated as early as possible, as meson uses this
+ # for things like deprecation testing.
+ if 'meson_version' in kwargs:
+ cv = coredata.version
+ pv = kwargs['meson_version']
+ if not mesonlib.version_compare(cv, pv):
+ raise InterpreterException(f'Meson version is {cv} but project requires {pv}')
+ mesonlib.project_meson_versions[self.subproject] = kwargs['meson_version']
+
+ if os.path.exists(self.option_file):
+ oi = optinterpreter.OptionInterpreter(self.subproject)
+ oi.process(self.option_file)
+ self.coredata.update_project_options(oi.options)
+ self.add_build_def_file(self.option_file)
+
+ # Do not set default_options on reconfigure otherwise it would override
+ # values previously set from command line. That means that changing
+ # default_options in a project will trigger a reconfigure but won't
+ # have any effect.
+ self.project_default_options = mesonlib.stringlistify(kwargs.get('default_options', []))
+ self.project_default_options = coredata.create_options_dict(self.project_default_options, self.subproject)
+
+ # If this is the first invocation we alway sneed to initialize
+ # builtins, if this is a subproject that is new in a re-invocation we
+ # need to initialize builtins for that
+ if self.environment.first_invocation or (self.subproject != '' and self.subproject not in self.coredata.initialized_subprojects):
+ default_options = self.project_default_options.copy()
+ default_options.update(self.default_project_options)
+ self.coredata.init_builtins(self.subproject)
+ else:
+ default_options = {}
+ self.coredata.set_default_options(default_options, self.subproject, self.environment)
+
+ if not self.is_subproject():
+ self.build.project_name = proj_name
+ self.active_projectname = proj_name
+ version = kwargs.get('version', 'undefined')
+ if isinstance(version, list):
+ if len(version) != 1:
+ raise InvalidCode('Version argument is an array with more than one entry.')
+ version = version[0]
+ if isinstance(version, mesonlib.File):
+ FeatureNew.single_use('version from file', '0.57.0', self.subproject)
+ self.add_build_def_file(version)
+ ifname = version.absolute_path(self.environment.source_dir,
+ self.environment.build_dir)
+ try:
+ ver_data = Path(ifname).read_text(encoding='utf-8').split('\n')
+ except FileNotFoundError:
+ raise InterpreterException('Version file not found.')
+ if len(ver_data) == 2 and ver_data[1] == '':
+ ver_data = ver_data[0:1]
+ if len(ver_data) != 1:
+ raise InterpreterException('Version file must contain exactly one line of text.')
+ self.project_version = ver_data[0]
+ elif isinstance(version, str):
+ self.project_version = version
+ else:
+ raise InvalidCode('The version keyword argument must be a string or a file.')
+ if self.build.project_version is None:
+ self.build.project_version = self.project_version
+ proj_license = mesonlib.stringlistify(kwargs.get('license', 'unknown'))
+ self.build.dep_manifest[proj_name] = {'version': self.project_version,
+ 'license': proj_license}
+ if self.subproject in self.build.projects:
+ raise InvalidCode('Second call to project().')
+
+ # spdirname is the subproject_dir for this project, relative to self.subdir.
+ # self.subproject_dir is the subproject_dir for the main project, relative to top source dir.
+ spdirname = kwargs.get('subproject_dir')
+ if spdirname:
+ if not isinstance(spdirname, str):
+ raise InterpreterException('Subproject_dir must be a string')
+ if os.path.isabs(spdirname):
+ raise InterpreterException('Subproject_dir must not be an absolute path.')
+ if spdirname.startswith('.'):
+ raise InterpreterException('Subproject_dir must not begin with a period.')
+ if '..' in spdirname:
+ raise InterpreterException('Subproject_dir must not contain a ".." segment.')
+ if not self.is_subproject():
+ self.subproject_dir = spdirname
+ else:
+ spdirname = 'subprojects'
+ self.build.subproject_dir = self.subproject_dir
+
+ # Load wrap files from this (sub)project.
+ wrap_mode = self.coredata.get_option(OptionKey('wrap_mode'))
+ if not self.is_subproject() or wrap_mode != WrapMode.nopromote:
+ subdir = os.path.join(self.subdir, spdirname)
+ r = wrap.Resolver(self.environment.get_source_dir(), subdir, wrap_mode)
+ if self.is_subproject():
+ self.environment.wrap_resolver.merge_wraps(r)
+ else:
+ self.environment.wrap_resolver = r
+
+ self.build.projects[self.subproject] = proj_name
+ mlog.log('Project name:', mlog.bold(proj_name))
+ mlog.log('Project version:', mlog.bold(self.project_version))
+
+ self.add_languages(proj_langs, True, MachineChoice.HOST)
+ self.add_languages(proj_langs, False, MachineChoice.BUILD)
+
+ self.set_backend()
+ if not self.is_subproject():
+ self.check_stdlibs()
+
+ @FeatureNewKwargs('add_languages', '0.54.0', ['native'])
+ @permittedKwargs({'required', 'native'})
+ @stringArgs
+ def func_add_languages(self, node, args, kwargs):
+ disabled, required, feature = extract_required_kwarg(kwargs, self.subproject)
+ if disabled:
+ for lang in sorted(args, key=compilers.sort_clink):
+ mlog.log('Compiler for language', mlog.bold(lang), 'skipped: feature', mlog.bold(feature), 'disabled')
+ return False
+ if 'native' in kwargs:
+ return self.add_languages(args, required, self.machine_from_native_kwarg(kwargs))
+ else:
+ # absent 'native' means 'both' for backwards compatibility
+ tv = FeatureNew.get_target_version(self.subproject)
+ if FeatureNew.check_version(tv, '0.54.0'):
+ mlog.warning('add_languages is missing native:, assuming languages are wanted for both host and build.',
+ location=self.current_node)
+
+ success = self.add_languages(args, False, MachineChoice.BUILD)
+ success &= self.add_languages(args, required, MachineChoice.HOST)
+ return success
+
+ @noArgsFlattening
+ @noKwargs
+ def func_message(self, node, args, kwargs):
+ if len(args) > 1:
+ FeatureNew.single_use('message with more than one argument', '0.54.0', self.subproject)
+ args_str = [stringifyUserArguments(i) for i in args]
+ self.message_impl(args_str)
+
+ def message_impl(self, args):
+ mlog.log(mlog.bold('Message:'), *args)
+
+ @noArgsFlattening
+ @FeatureNewKwargs('summary', '0.54.0', ['list_sep'])
+ @permittedKwargs({'section', 'bool_yn', 'list_sep'})
+ @FeatureNew('summary', '0.53.0')
+ def func_summary(self, node, args, kwargs):
+ if len(args) == 1:
+ if not isinstance(args[0], dict):
+ raise InterpreterException('Summary first argument must be dictionary.')
+ values = args[0]
+ elif len(args) == 2:
+ if not isinstance(args[0], str):
+ raise InterpreterException('Summary first argument must be string.')
+ values = {args[0]: args[1]}
+ else:
+ raise InterpreterException('Summary accepts at most 2 arguments.')
+ section = kwargs.get('section', '')
+ if not isinstance(section, str):
+ raise InterpreterException('Summary\'s section keyword argument must be string.')
+ self.summary_impl(section, values, kwargs)
+
+ def summary_impl(self, section, values, kwargs):
+ if self.subproject not in self.summary:
+ self.summary[self.subproject] = Summary(self.active_projectname, self.project_version)
+ self.summary[self.subproject].add_section(section, values, kwargs, self.subproject)
+
+ def _print_summary(self):
+ # Add automatic 'Supbrojects' section in main project.
+ all_subprojects = collections.OrderedDict()
+ for name, subp in sorted(self.subprojects.items()):
+ value = subp.found()
+ if subp.disabled_feature:
+ value = [value, f'Feature {subp.disabled_feature!r} disabled']
+ elif subp.exception:
+ value = [value, str(subp.exception)]
+ elif subp.warnings > 0:
+ value = [value, f'{subp.warnings} warnings']
+ all_subprojects[name] = value
+ if all_subprojects:
+ self.summary_impl('Subprojects', all_subprojects,
+ {'bool_yn': True,
+ 'list_sep': ' ',
+ })
+ # Print all summaries, main project last.
+ mlog.log('') # newline
+ main_summary = self.summary.pop('', None)
+ for subp_name, summary in sorted(self.summary.items()):
+ if self.subprojects[subp_name].found():
+ summary.dump()
+ if main_summary:
+ main_summary.dump()
+
+ @noArgsFlattening
+ @FeatureNew('warning', '0.44.0')
+ @noKwargs
+ def func_warning(self, node, args, kwargs):
+ if len(args) > 1:
+ FeatureNew.single_use('warning with more than one argument', '0.54.0', self.subproject)
+ args_str = [stringifyUserArguments(i) for i in args]
+ mlog.warning(*args_str, location=node)
+
+ @noArgsFlattening
+ @noKwargs
+ def func_error(self, node, args, kwargs):
+ if len(args) > 1:
+ FeatureNew.single_use('error with more than one argument', '0.58.0', self.subproject)
+ args_str = [stringifyUserArguments(i) for i in args]
+ raise InterpreterException('Problem encountered: ' + ' '.join(args_str))
+
+ @noKwargs
+ @noPosargs
+ def func_exception(self, node, args, kwargs):
+ raise Exception()
+
+ def add_languages(self, args: T.Sequence[str], required: bool, for_machine: MachineChoice) -> bool:
+ success = self.add_languages_for(args, required, for_machine)
+ if not self.coredata.is_cross_build():
+ self.coredata.copy_build_options_from_regular_ones()
+ self._redetect_machines()
+ return success
+
+ def should_skip_sanity_check(self, for_machine: MachineChoice) -> bool:
+ should = self.environment.properties.host.get('skip_sanity_check', False)
+ if not isinstance(should, bool):
+ raise InterpreterException('Option skip_sanity_check must be a boolean.')
+ if for_machine != MachineChoice.HOST and not should:
+ return False
+ if not self.environment.is_cross_build() and not should:
+ return False
+ return should
+
+ def add_languages_for(self, args: T.List[str], required: bool, for_machine: MachineChoice) -> None:
+ args = [a.lower() for a in args]
+ langs = set(self.coredata.compilers[for_machine].keys())
+ langs.update(args)
+ if ('vala' in langs or 'cython' in langs) and 'c' not in langs:
+ if 'vala' in langs:
+ FeatureNew.single_use('Adding Vala language without C', '0.59.0', self.subproject)
+ args.append('c')
+
+ success = True
+ for lang in sorted(args, key=compilers.sort_clink):
+ clist = self.coredata.compilers[for_machine]
+ machine_name = for_machine.get_lower_case_name()
+ if lang in clist:
+ comp = clist[lang]
+ else:
+ try:
+ comp = compilers.detect_compiler_for(self.environment, lang, for_machine)
+ if comp is None:
+ raise InvalidArguments('Tried to use unknown language "%s".' % lang)
+ if self.should_skip_sanity_check(for_machine):
+ mlog.log_once('Cross compiler sanity tests disabled via the cross file.')
+ else:
+ comp.sanity_check(self.environment.get_scratch_dir(), self.environment)
+ except Exception:
+ if not required:
+ mlog.log('Compiler for language',
+ mlog.bold(lang), 'for the', machine_name,
+ 'machine not found.')
+ success = False
+ continue
+ else:
+ raise
+
+ if for_machine == MachineChoice.HOST or self.environment.is_cross_build():
+ logger_fun = mlog.log
+ else:
+ logger_fun = mlog.debug
+ logger_fun(comp.get_display_language(), 'compiler for the', machine_name, 'machine:',
+ mlog.bold(' '.join(comp.get_exelist())), comp.get_version_string())
+ if comp.linker is not None:
+ logger_fun(comp.get_display_language(), 'linker for the', machine_name, 'machine:',
+ mlog.bold(' '.join(comp.linker.get_exelist())), comp.linker.id, comp.linker.version)
+ self.build.ensure_static_linker(comp)
+
+ return success
+
+ def program_from_file_for(self, for_machine, prognames):
+ for p in prognames:
+ if isinstance(p, mesonlib.File):
+ continue # Always points to a local (i.e. self generated) file.
+ if not isinstance(p, str):
+ raise InterpreterException('Executable name must be a string')
+ prog = ExternalProgram.from_bin_list(self.environment, for_machine, p)
+ if prog.found():
+ return prog
+ return None
+
+ def program_from_system(self, args, search_dirs, extra_info):
+ # Search for scripts relative to current subdir.
+ # Do not cache found programs because find_program('foobar')
+ # might give different results when run from different source dirs.
+ source_dir = os.path.join(self.environment.get_source_dir(), self.subdir)
+ for exename in args:
+ if isinstance(exename, mesonlib.File):
+ if exename.is_built:
+ search_dir = os.path.join(self.environment.get_build_dir(),
+ exename.subdir)
+ else:
+ search_dir = os.path.join(self.environment.get_source_dir(),
+ exename.subdir)
+ exename = exename.fname
+ extra_search_dirs = []
+ elif isinstance(exename, str):
+ search_dir = source_dir
+ extra_search_dirs = search_dirs
+ else:
+ raise InvalidArguments(f'find_program only accepts strings and files, not {exename!r}')
+ extprog = ExternalProgram(exename, search_dir=search_dir,
+ extra_search_dirs=extra_search_dirs,
+ silent=True)
+ if extprog.found():
+ extra_info.append(f"({' '.join(extprog.get_command())})")
+ return extprog
+
+ def program_from_overrides(self, command_names, extra_info):
+ for name in command_names:
+ if not isinstance(name, str):
+ continue
+ if name in self.build.find_overrides:
+ exe = self.build.find_overrides[name]
+ extra_info.append(mlog.blue('(overridden)'))
+ return exe
+ return None
+
+ def store_name_lookups(self, command_names):
+ for name in command_names:
+ if isinstance(name, str):
+ self.build.searched_programs.add(name)
+
+ def add_find_program_override(self, name, exe):
+ if name in self.build.searched_programs:
+ raise InterpreterException(f'Tried to override finding of executable "{name}" which has already been found.')
+ if name in self.build.find_overrides:
+ raise InterpreterException(f'Tried to override executable "{name}" which has already been overridden.')
+ self.build.find_overrides[name] = exe
+
+ def notfound_program(self, args):
+ return NonExistingExternalProgram(' '.join(args))
+
+ # TODO update modules to always pass `for_machine`. It is bad-form to assume
+ # the host machine.
+ def find_program_impl(self, args, for_machine: MachineChoice = MachineChoice.HOST,
+ required=True, silent=True, wanted='', search_dirs=None,
+ version_func=None):
+ args = mesonlib.listify(args)
+
+ extra_info = []
+ progobj = self.program_lookup(args, for_machine, required, search_dirs, extra_info)
+ if progobj is None:
+ progobj = self.notfound_program(args)
+
+ if isinstance(progobj, ExternalProgram) and not progobj.found():
+ mlog.log('Program', mlog.bold(progobj.get_name()), 'found:', mlog.red('NO'))
+ if required:
+ m = 'Program {!r} not found'
+ raise InterpreterException(m.format(progobj.get_name()))
+ return progobj
+
+ if wanted:
+ if version_func:
+ version = version_func(progobj)
+ elif isinstance(progobj, build.Executable):
+ interp = self
+ if progobj.subproject:
+ interp = self.subprojects[progobj.subproject].held_object
+ assert isinstance(interp, Interpreter)
+ version = interp.project_version
+ elif isinstance(progobj, ExternalProgram):
+ version = progobj.get_version(self)
+ is_found, not_found, found = mesonlib.version_compare_many(version, wanted)
+ if not is_found:
+ mlog.log('Program', mlog.bold(progobj.name), 'found:', mlog.red('NO'),
+ 'found', mlog.normal_cyan(version), 'but need:',
+ mlog.bold(', '.join([f"'{e}'" for e in not_found])), *extra_info)
+ if required:
+ m = 'Invalid version of program, need {!r} {!r} found {!r}.'
+ raise InterpreterException(m.format(progobj.name, not_found, version))
+ return self.notfound_program(args)
+ extra_info.insert(0, mlog.normal_cyan(version))
+
+ # Only store successful lookups
+ self.store_name_lookups(args)
+ mlog.log('Program', mlog.bold(progobj.name), 'found:', mlog.green('YES'), *extra_info)
+ if isinstance(progobj, build.Executable):
+ progobj.was_returned_by_find_program = True
+ return progobj
+
+ def program_lookup(self, args, for_machine, required, search_dirs, extra_info):
+ progobj = self.program_from_overrides(args, extra_info)
+ if progobj:
+ return progobj
+
+ fallback = None
+ wrap_mode = self.coredata.get_option(OptionKey('wrap_mode'))
+ if wrap_mode != WrapMode.nofallback and self.environment.wrap_resolver:
+ fallback = self.environment.wrap_resolver.find_program_provider(args)
+ if fallback and wrap_mode == WrapMode.forcefallback:
+ return self.find_program_fallback(fallback, args, required, extra_info)
+
+ progobj = self.program_from_file_for(for_machine, args)
+ if progobj is None:
+ progobj = self.program_from_system(args, search_dirs, extra_info)
+ if progobj is None and args[0].endswith('python3'):
+ prog = ExternalProgram('python3', mesonlib.python_command, silent=True)
+ progobj = prog if prog.found() else None
+ if progobj is None and fallback and required:
+ progobj = self.find_program_fallback(fallback, args, required, extra_info)
+
+ return progobj
+
+ def find_program_fallback(self, fallback, args, required, extra_info):
+ mlog.log('Fallback to subproject', mlog.bold(fallback), 'which provides program',
+ mlog.bold(' '.join(args)))
+ sp_kwargs = { 'required': required }
+ self.do_subproject(fallback, 'meson', sp_kwargs)
+ return self.program_from_overrides(args, extra_info)
+
+ @FeatureNewKwargs('find_program', '0.53.0', ['dirs'])
+ @FeatureNewKwargs('find_program', '0.52.0', ['version'])
+ @FeatureNewKwargs('find_program', '0.49.0', ['disabler'])
+ @disablerIfNotFound
+ @permittedKwargs({'required', 'native', 'version', 'dirs'})
+ def func_find_program(self, node, args, kwargs):
+ if not args:
+ raise InterpreterException('No program name specified.')
+
+ disabled, required, feature = extract_required_kwarg(kwargs, self.subproject)
+ if disabled:
+ mlog.log('Program', mlog.bold(' '.join(args)), 'skipped: feature', mlog.bold(feature), 'disabled')
+ return self.notfound_program(args)
+
+ search_dirs = extract_search_dirs(kwargs)
+ wanted = mesonlib.stringlistify(kwargs.get('version', []))
+ for_machine = self.machine_from_native_kwarg(kwargs)
+ return self.find_program_impl(args, for_machine, required=required,
+ silent=False, wanted=wanted,
+ search_dirs=search_dirs)
+
+ def func_find_library(self, node, args, kwargs):
+ raise InvalidCode('find_library() is removed, use meson.get_compiler(\'name\').find_library() instead.\n'
+ 'Look here for documentation: http://mesonbuild.com/Reference-manual.html#compiler-object\n'
+ 'Look here for example: http://mesonbuild.com/howtox.html#add-math-library-lm-portably\n'
+ )
+
+ # When adding kwargs, please check if they make sense in dependencies.get_dep_identifier()
+ @FeatureNewKwargs('dependency', '0.57.0', ['cmake_package_version'])
+ @FeatureNewKwargs('dependency', '0.56.0', ['allow_fallback'])
+ @FeatureNewKwargs('dependency', '0.54.0', ['components'])
+ @FeatureNewKwargs('dependency', '0.52.0', ['include_type'])
+ @FeatureNewKwargs('dependency', '0.50.0', ['not_found_message', 'cmake_module_path', 'cmake_args'])
+ @FeatureNewKwargs('dependency', '0.49.0', ['disabler'])
+ @FeatureNewKwargs('dependency', '0.40.0', ['method'])
+ @FeatureNewKwargs('dependency', '0.38.0', ['default_options'])
+ @disablerIfNotFound
+ @permittedKwargs(permitted_dependency_kwargs)
+ @typed_pos_args('dependency', str)
+ def func_dependency(self, node, args, kwargs):
+ # Replace '' by empty list of names
+ names = [args[0]] if args[0] else []
+ allow_fallback = kwargs.get('allow_fallback')
+ if allow_fallback is not None and not isinstance(allow_fallback, bool):
+ raise InvalidArguments('"allow_fallback" argument must be boolean')
+ fallback = kwargs.get('fallback')
+ default_options = kwargs.get('default_options')
+ df = DependencyFallbacksHolder(self, names, allow_fallback, default_options)
+ df.set_fallback(fallback)
+ not_found_message = kwargs.get('not_found_message', '')
+ if not isinstance(not_found_message, str):
+ raise InvalidArguments('The not_found_message must be a string.')
+ try:
+ d = df.lookup(kwargs)
+ except Exception:
+ if not_found_message:
+ self.message_impl([not_found_message])
+ raise
+ assert isinstance(d, Dependency)
+ if not d.found() and not_found_message:
+ self.message_impl([not_found_message])
+ self.message_impl([not_found_message])
+ # Ensure the correct include type
+ if 'include_type' in kwargs:
+ wanted = kwargs['include_type']
+ if not isinstance(wanted, str):
+ raise InvalidArguments('The `include_type` kwarg must be a string')
+ actual = d.get_include_type()
+ if wanted != actual:
+ mlog.debug(f'Current include type of {args[0]} is {actual}. Converting to requested {wanted}')
+ d = d.generate_system_dependency(wanted)
+ return d
+
+ @FeatureNew('disabler', '0.44.0')
+ @noKwargs
+ @noPosargs
+ def func_disabler(self, node, args, kwargs):
+ return Disabler()
+
+ @FeatureNewKwargs('executable', '0.42.0', ['implib'])
+ @FeatureNewKwargs('executable', '0.56.0', ['win_subsystem'])
+ @FeatureDeprecatedKwargs('executable', '0.56.0', ['gui_app'], extra_message="Use 'win_subsystem' instead.")
+ @permittedKwargs(build.known_exe_kwargs)
+ def func_executable(self, node, args, kwargs):
+ return self.build_target(node, args, kwargs, build.Executable)
+
+ @permittedKwargs(build.known_stlib_kwargs)
+ def func_static_lib(self, node, args, kwargs):
+ return self.build_target(node, args, kwargs, build.StaticLibrary)
+
+ @permittedKwargs(build.known_shlib_kwargs)
+ def func_shared_lib(self, node, args, kwargs):
+ holder = self.build_target(node, args, kwargs, build.SharedLibrary)
+ holder.shared_library_only = True
+ return holder
+
+ @permittedKwargs(known_library_kwargs)
+ def func_both_lib(self, node, args, kwargs):
+ return self.build_both_libraries(node, args, kwargs)
+
+ @FeatureNew('shared_module', '0.37.0')
+ @permittedKwargs(build.known_shmod_kwargs)
+ def func_shared_module(self, node, args, kwargs):
+ return self.build_target(node, args, kwargs, build.SharedModule)
+
+ @permittedKwargs(known_library_kwargs)
+ def func_library(self, node, args, kwargs):
+ return self.build_library(node, args, kwargs)
+
+ @permittedKwargs(build.known_jar_kwargs)
+ def func_jar(self, node, args, kwargs):
+ return self.build_target(node, args, kwargs, build.Jar)
+
+ @FeatureNewKwargs('build_target', '0.40.0', ['link_whole', 'override_options'])
+ @permittedKwargs(known_build_target_kwargs)
+ def func_build_target(self, node, args, kwargs):
+ if 'target_type' not in kwargs:
+ raise InterpreterException('Missing target_type keyword argument')
+ target_type = kwargs.pop('target_type')
+ if target_type == 'executable':
+ return self.build_target(node, args, kwargs, build.Executable)
+ elif target_type == 'shared_library':
+ return self.build_target(node, args, kwargs, build.SharedLibrary)
+ elif target_type == 'shared_module':
+ FeatureNew('build_target(target_type: \'shared_module\')',
+ '0.51.0').use(self.subproject)
+ return self.build_target(node, args, kwargs, build.SharedModule)
+ elif target_type == 'static_library':
+ return self.build_target(node, args, kwargs, build.StaticLibrary)
+ elif target_type == 'both_libraries':
+ return self.build_both_libraries(node, args, kwargs)
+ elif target_type == 'library':
+ return self.build_library(node, args, kwargs)
+ elif target_type == 'jar':
+ return self.build_target(node, args, kwargs, build.Jar)
+ else:
+ raise InterpreterException('Unknown target_type.')
+
+ @permittedKwargs({'input', 'output', 'fallback', 'command', 'replace_string'})
+ @FeatureDeprecatedKwargs('custom_target', '0.47.0', ['build_always'],
+ 'combine build_by_default and build_always_stale instead.')
+ @noPosargs
+ def func_vcs_tag(self, node, args, kwargs):
+ if 'input' not in kwargs or 'output' not in kwargs:
+ raise InterpreterException('Keyword arguments input and output must exist')
+ if 'fallback' not in kwargs:
+ FeatureNew.single_use('Optional fallback in vcs_tag', '0.41.0', self.subproject)
+ fallback = kwargs.pop('fallback', self.project_version)
+ if not isinstance(fallback, str):
+ raise InterpreterException('Keyword argument fallback must be a string.')
+ replace_string = kwargs.pop('replace_string', '@VCS_TAG@')
+ regex_selector = '(.*)' # default regex selector for custom command: use complete output
+ vcs_cmd = kwargs.get('command', None)
+ if vcs_cmd and not isinstance(vcs_cmd, list):
+ vcs_cmd = [vcs_cmd]
+ source_dir = os.path.normpath(os.path.join(self.environment.get_source_dir(), self.subdir))
+ if vcs_cmd:
+ # Is the command an executable in path or maybe a script in the source tree?
+ vcs_cmd[0] = shutil.which(vcs_cmd[0]) or os.path.join(source_dir, vcs_cmd[0])
+ else:
+ vcs = mesonlib.detect_vcs(source_dir)
+ if vcs:
+ mlog.log('Found {} repository at {}'.format(vcs['name'], vcs['wc_dir']))
+ vcs_cmd = vcs['get_rev'].split()
+ regex_selector = vcs['rev_regex']
+ else:
+ vcs_cmd = [' '] # executing this cmd will fail in vcstagger.py and force to use the fallback string
+ # vcstagger.py parameters: infile, outfile, fallback, source_dir, replace_string, regex_selector, command...
+ kwargs['command'] = self.environment.get_build_command() + \
+ ['--internal',
+ 'vcstagger',
+ '@INPUT0@',
+ '@OUTPUT0@',
+ fallback,
+ source_dir,
+ replace_string,
+ regex_selector] + vcs_cmd
+ kwargs.setdefault('build_by_default', True)
+ kwargs.setdefault('build_always_stale', True)
+ return self._func_custom_target_impl(node, [kwargs['output']], kwargs)
+
+ @FeatureNew('subdir_done', '0.46.0')
+ @noPosargs
+ @noKwargs
+ def func_subdir_done(self, node, args, kwargs):
+ raise SubdirDoneRequest()
+
+ @stringArgs
+ @FeatureNewKwargs('custom_target', '0.57.0', ['env'])
+ @FeatureNewKwargs('custom_target', '0.48.0', ['console'])
+ @FeatureNewKwargs('custom_target', '0.47.0', ['install_mode', 'build_always_stale'])
+ @FeatureNewKwargs('custom_target', '0.40.0', ['build_by_default'])
+ @FeatureNewKwargs('custom_target', '0.59.0', ['feed'])
+ @permittedKwargs({'input', 'output', 'command', 'install', 'install_dir', 'install_mode',
+ 'build_always', 'capture', 'depends', 'depend_files', 'depfile',
+ 'build_by_default', 'build_always_stale', 'console', 'env',
+ 'feed'})
+ def func_custom_target(self, node, args, kwargs):
+ if len(args) != 1:
+ raise InterpreterException('custom_target: Only one positional argument is allowed, and it must be a string name')
+ if 'depfile' in kwargs and ('@BASENAME@' in kwargs['depfile'] or '@PLAINNAME@' in kwargs['depfile']):
+ FeatureNew.single_use('substitutions in custom_target depfile', '0.47.0', self.subproject)
+ return self._func_custom_target_impl(node, args, kwargs)
+
+ def _func_custom_target_impl(self, node, args, kwargs):
+ 'Implementation-only, without FeatureNew checks, for internal use'
+ name = args[0]
+ kwargs['install_mode'] = self._get_kwarg_install_mode(kwargs)
+ if 'input' in kwargs:
+ try:
+ kwargs['input'] = self.source_strings_to_files(extract_as_list(kwargs, 'input'))
+ except mesonlib.MesonException:
+ mlog.warning('''Custom target input \'%s\' can\'t be converted to File object(s).
+This will become a hard error in the future.''' % kwargs['input'], location=self.current_node)
+ kwargs['env'] = self.unpack_env_kwarg(kwargs)
+ if 'command' in kwargs and isinstance(kwargs['command'], list) and kwargs['command']:
+ if isinstance(kwargs['command'][0], str):
+ kwargs['command'][0] = self.func_find_program(node, kwargs['command'][0], {})
+ tg = build.CustomTarget(name, self.subdir, self.subproject, kwargs, backend=self.backend)
+ self.add_target(name, tg)
+ return tg
+
+ @FeatureNewKwargs('run_target', '0.57.0', ['env'])
+ @permittedKwargs({'command', 'depends', 'env'})
+ def func_run_target(self, node, args, kwargs):
+ if len(args) > 1:
+ raise InvalidCode('Run_target takes only one positional argument: the target name.')
+ elif len(args) == 1:
+ if 'command' not in kwargs:
+ raise InterpreterException('Missing "command" keyword argument')
+ all_args = extract_as_list(kwargs, 'command')
+ deps = extract_as_list(kwargs, 'depends')
+ else:
+ raise InterpreterException('Run_target needs at least one positional argument.')
+
+ cleaned_args = []
+ for i in listify(all_args):
+ if not isinstance(i, (str, build.BuildTarget, build.CustomTarget, ExternalProgram, mesonlib.File)):
+ mlog.debug('Wrong type:', str(i))
+ raise InterpreterException('Invalid argument to run_target.')
+ if isinstance(i, ExternalProgram) and not i.found():
+ raise InterpreterException(f'Tried to use non-existing executable {i.name!r}')
+ cleaned_args.append(i)
+ if isinstance(cleaned_args[0], str):
+ cleaned_args[0] = self.func_find_program(node, cleaned_args[0], {})
+ name = args[0]
+ if not isinstance(name, str):
+ raise InterpreterException('First argument must be a string.')
+ cleaned_deps = []
+ for d in deps:
+ if not isinstance(d, (build.BuildTarget, build.CustomTarget)):
+ raise InterpreterException('Depends items must be build targets.')
+ cleaned_deps.append(d)
+ env = self.unpack_env_kwarg(kwargs)
+ tg = build.RunTarget(name, cleaned_args, cleaned_deps, self.subdir, self.subproject, env)
+ self.add_target(name, tg)
+ full_name = (self.subproject, name)
+ assert(full_name not in self.build.run_target_names)
+ self.build.run_target_names.add(full_name)
+ return tg
+
+ @FeatureNew('alias_target', '0.52.0')
+ @noKwargs
+ def func_alias_target(self, node, args, kwargs):
+ if len(args) < 2:
+ raise InvalidCode('alias_target takes at least 2 arguments.')
+ name = args[0]
+ if not isinstance(name, str):
+ raise InterpreterException('First argument must be a string.')
+ deps = listify(args[1:])
+ for d in deps:
+ if not isinstance(d, (build.BuildTarget, build.CustomTarget)):
+ raise InterpreterException('Depends items must be build targets.')
+ tg = build.AliasTarget(name, deps, self.subdir, self.subproject)
+ self.add_target(name, tg)
+ return tg
+
+ @permittedKwargs({'arguments', 'output', 'depends', 'depfile', 'capture',
+ 'preserve_path_from'})
+ @typed_pos_args('generator', (build.Executable, ExternalProgram))
+ @typed_kwargs(
+ 'generator',
+ KwargInfo('arguments', ContainerTypeInfo(list, str, allow_empty=False), required=True, listify=True),
+ KwargInfo('output', ContainerTypeInfo(list, str, allow_empty=False), required=True, listify=True),
+ KwargInfo('depfile', str, validator=lambda x: 'Depfile must be a plain filename with a subdirectory' if has_path_sep(x) else None),
+ KwargInfo('capture', bool, default=False, since='0.43.0'),
+ KwargInfo('depends', ContainerTypeInfo(list, (build.BuildTarget, build.CustomTarget)), default=[], listify=True),
+ )
+ def func_generator(self, node: mparser.FunctionNode,
+ args: T.Tuple[T.Union[build.Executable, ExternalProgram]],
+ kwargs: 'kwargs.FuncGenerator') -> build.Generator:
+ for rule in kwargs['output']:
+ if '@BASENAME@' not in rule and '@PLAINNAME@' not in rule:
+ raise InvalidArguments('Every element of "output" must contain @BASENAME@ or @PLAINNAME@.')
+ if has_path_sep(rule):
+ raise InvalidArguments('"output" must not contain a directory separator.')
+ if len(kwargs['output']) > 1:
+ for o in kwargs['output']:
+ if '@OUTPUT@' in o:
+ raise InvalidArguments('Tried to use @OUTPUT@ in a rule with more than one output.')
+
+ gen = build.Generator(args[0], **kwargs)
+ self.generators.append(gen)
+ return gen
+
+ @typed_pos_args('benchmark', str, (build.Executable, build.Jar, ExternalProgram, mesonlib.File))
+ @typed_kwargs('benchmark', *TEST_KWARGS)
+ def func_benchmark(self, node: mparser.BaseNode,
+ args: T.Tuple[str, T.Union[build.Executable, build.Jar, ExternalProgram, mesonlib.File]],
+ kwargs: 'kwargs.FuncBenchmark') -> None:
+ self.add_test(node, args, kwargs, False)
+
+ @typed_pos_args('test', str, (build.Executable, build.Jar, ExternalProgram, mesonlib.File))
+ @typed_kwargs('benchmark', *TEST_KWARGS, KwargInfo('is_parallel', bool, default=True))
+ def func_test(self, node: mparser.BaseNode,
+ args: T.Tuple[str, T.Union[build.Executable, build.Jar, ExternalProgram, mesonlib.File]],
+ kwargs: 'kwargs.FuncTest') -> None:
+ self.add_test(node, args, kwargs, True)
+
+ def unpack_env_kwarg(self, kwargs: T.Union[EnvironmentVariablesObject, T.Dict[str, str], T.List[str]]) -> build.EnvironmentVariables:
+ envlist = kwargs.get('env', EnvironmentVariablesObject())
+ if isinstance(envlist, EnvironmentVariablesObject):
+ env = envlist.vars
+ elif isinstance(envlist, dict):
+ FeatureNew.single_use('environment dictionary', '0.52.0', self.subproject)
+ env = EnvironmentVariablesObject(envlist)
+ env = env.vars
+ else:
+ # Convert from array to environment object
+ env = EnvironmentVariablesObject(envlist)
+ env = env.vars
+ return env
+
+ def make_test(self, node: mparser.BaseNode,
+ args: T.Tuple[str, T.Union[build.Executable, build.Jar, ExternalProgram, mesonlib.File]],
+ kwargs: 'kwargs.BaseTest') -> Test:
+ name = args[0]
+ if ':' in name:
+ mlog.deprecation(f'":" is not allowed in test name "{name}", it has been replaced with "_"',
+ location=node)
+ name = name.replace(':', '_')
+ exe = args[1]
+ if isinstance(exe, mesonlib.File):
+ exe = self.func_find_program(node, args[1], {})
+
+ env = self.unpack_env_kwarg(kwargs)
+
+ if kwargs['timeout'] <= 0:
+ FeatureNew.single_use('test() timeout <= 0', '0.57.0', self.subproject)
+
+ prj = self.subproject if self.is_subproject() else self.build.project_name
+
+ suite: T.List[str] = []
+ for s in kwargs['suite']:
+ if s:
+ s = ':' + s
+ suite.append(prj.replace(' ', '_').replace(':', '_') + s)
+
+ return Test(name,
+ prj,
+ suite,
+ exe,
+ kwargs['depends'],
+ kwargs.get('is_parallel', False),
+ kwargs['args'],
+ env,
+ kwargs['should_fail'],
+ kwargs['timeout'],
+ kwargs['workdir'],
+ kwargs['protocol'],
+ kwargs['priority'])
+
+ def add_test(self, node: mparser.BaseNode, args: T.List, kwargs: T.Dict[str, T.Any], is_base_test: bool):
+ t = self.make_test(node, args, kwargs)
+ if is_base_test:
+ self.build.tests.append(t)
+ mlog.debug('Adding test', mlog.bold(t.name, True))
+ else:
+ self.build.benchmarks.append(t)
+ mlog.debug('Adding benchmark', mlog.bold(t.name, True))
+
+ @typed_pos_args('install_headers', varargs=(str, mesonlib.File))
+ @typed_kwargs(
+ 'install_headers',
+ KwargInfo('install_dir', (str, None)),
+ KwargInfo('subdir', (str, None)),
+ _INSTALL_MODE_KW.evolve(since='0.47.0'),
+ )
+ def func_install_headers(self, node: mparser.BaseNode,
+ args: T.Tuple[T.List['mesonlib.FileOrString']],
+ kwargs: 'kwargs.FuncInstallHeaders') -> build.Headers:
+ source_files = self.source_strings_to_files(args[0])
+ install_subdir = kwargs['subdir']
+ if install_subdir is not None and os.path.isabs(install_subdir):
+ mlog.deprecation('Subdir keyword must not be an absolute path. This will be a hard error in the next release.')
+
+ h = build.Headers(source_files, install_subdir, kwargs['install_dir'],
+ kwargs['install_mode'], self.subproject)
+ self.build.headers.append(h)
+
+ return h
+
+ @typed_pos_args('install_man', varargs=(str, mesonlib.File))
+ @typed_kwargs(
+ 'install_man',
+ KwargInfo('install_dir', (str, None)),
+ KwargInfo('locale', (str, None), since='0.58.0'),
+ _INSTALL_MODE_KW.evolve(since='0.47.0')
+ )
+ def func_install_man(self, node: mparser.BaseNode,
+ args: T.Tuple[T.List['mesonlib.FileOrString']],
+ kwargs: 'kwargs.FuncInstallMan') -> build.Man:
+ # We just need to narrow this, because the input is limited to files and
+ # Strings as inputs, so only Files will be returned
+ sources = self.source_strings_to_files(args[0])
+ for s in sources:
+ try:
+ num = int(s.rsplit('.', 1)[-1])
+ except (IndexError, ValueError):
+ num = 0
+ if not 1 <= num <= 9:
+ raise InvalidArguments('Man file must have a file extension of a number between 1 and 9')
+
+ m = build.Man(sources, kwargs['install_dir'], kwargs['install_mode'],
+ self.subproject, kwargs['locale'])
+ self.build.man.append(m)
+
+ return m
+
+ @FeatureNewKwargs('subdir', '0.44.0', ['if_found'])
+ @permittedKwargs({'if_found'})
+ def func_subdir(self, node, args, kwargs):
+ self.validate_arguments(args, 1, [str])
+ mesonlib.check_direntry_issues(args)
+ if '..' in args[0]:
+ raise InvalidArguments('Subdir contains ..')
+ if self.subdir == '' and args[0] == self.subproject_dir:
+ raise InvalidArguments('Must not go into subprojects dir with subdir(), use subproject() instead.')
+ if self.subdir == '' and args[0].startswith('meson-'):
+ raise InvalidArguments('The "meson-" prefix is reserved and cannot be used for top-level subdir().')
+ for i in mesonlib.extract_as_list(kwargs, 'if_found'):
+ if not hasattr(i, 'found'):
+ raise InterpreterException('Object used in if_found does not have a found method.')
+ if not i.found():
+ return
+ prev_subdir = self.subdir
+ subdir = os.path.join(prev_subdir, args[0])
+ if os.path.isabs(subdir):
+ raise InvalidArguments('Subdir argument must be a relative path.')
+ absdir = os.path.join(self.environment.get_source_dir(), subdir)
+ symlinkless_dir = os.path.realpath(absdir)
+ build_file = os.path.join(symlinkless_dir, 'meson.build')
+ if build_file in self.processed_buildfiles:
+ raise InvalidArguments('Tried to enter directory "%s", which has already been visited.'
+ % subdir)
+ self.processed_buildfiles.add(build_file)
+ self.subdir = subdir
+ os.makedirs(os.path.join(self.environment.build_dir, subdir), exist_ok=True)
+ buildfilename = os.path.join(self.subdir, environment.build_filename)
+ self.build_def_files.append(buildfilename)
+ absname = os.path.join(self.environment.get_source_dir(), buildfilename)
+ if not os.path.isfile(absname):
+ self.subdir = prev_subdir
+ raise InterpreterException(f"Non-existent build file '{buildfilename!s}'")
+ with open(absname, encoding='utf-8') as f:
+ code = f.read()
+ assert(isinstance(code, str))
+ try:
+ codeblock = mparser.Parser(code, absname).parse()
+ except mesonlib.MesonException as me:
+ me.file = absname
+ raise me
+ try:
+ self.evaluate_codeblock(codeblock)
+ except SubdirDoneRequest:
+ pass
+ self.subdir = prev_subdir
+
+ def _get_kwarg_install_mode(self, kwargs: T.Dict[str, T.Any]) -> T.Optional[FileMode]:
+ if kwargs.get('install_mode', None) is None:
+ return None
+ install_mode: T.List[str] = []
+ mode = mesonlib.typeslistify(kwargs.get('install_mode', []), (str, int))
+ for m in mode:
+ # We skip any arguments that are set to `false`
+ if m is False:
+ m = None
+ install_mode.append(m)
+ if len(install_mode) > 3:
+ raise InvalidArguments('Keyword argument install_mode takes at '
+ 'most 3 arguments.')
+ if len(install_mode) > 0 and install_mode[0] is not None and \
+ not isinstance(install_mode[0], str):
+ raise InvalidArguments('Keyword argument install_mode requires the '
+ 'permissions arg to be a string or false')
+ return FileMode(*install_mode)
+
+ @typed_pos_args('install_data', varargs=(str, mesonlib.File))
+ @typed_kwargs(
+ 'install_data',
+ KwargInfo('install_dir', str),
+ KwargInfo('sources', ContainerTypeInfo(list, (str, mesonlib.File)), listify=True, default=[]),
+ KwargInfo('rename', ContainerTypeInfo(list, str), default=[], listify=True, since='0.46.0'),
+ _INSTALL_MODE_KW.evolve(since='0.38.0'),
+ )
+ def func_install_data(self, node: mparser.BaseNode,
+ args: T.Tuple[T.List['mesonlib.FileOrString']],
+ kwargs: 'kwargs.FuncInstallData') -> build.Data:
+ sources = self.source_strings_to_files(args[0] + kwargs['sources'])
+ rename = kwargs['rename'] or None
+ if rename:
+ if len(rename) != len(sources):
+ raise InvalidArguments(
+ '"rename" and "sources" argument lists must be the same length if "rename" is given. '
+ f'Rename has {len(rename)} elements and sources has {len(sources)}.')
+
+ data = build.Data(
+ sources, kwargs['install_dir'], kwargs['install_mode'],
+ self.subproject, rename)
+ self.build.data.append(data)
+ return data
+
+ @typed_pos_args('install_subdir', str)
+ @typed_kwargs(
+ 'install_subdir',
+ KwargInfo('install_dir', str, required=True),
+ KwargInfo('strip_directory', bool, default=False),
+ KwargInfo('exclude_files', ContainerTypeInfo(list, str),
+ default=[], listify=True, since='0.42.0',
+ validator=lambda x: 'cannot be absolute' if any(os.path.isabs(d) for d in x) else None),
+ KwargInfo('exclude_directories', ContainerTypeInfo(list, str),
+ default=[], listify=True, since='0.42.0',
+ validator=lambda x: 'cannot be absolute' if any(os.path.isabs(d) for d in x) else None),
+ _INSTALL_MODE_KW.evolve(since='0.38.0'),
+ )
+ def func_install_subdir(self, node: mparser.BaseNode, args: T.Tuple[str],
+ kwargs: 'kwargs.FuncInstallSubdir') -> build.InstallDir:
+ exclude = (set(kwargs['exclude_files']), set(kwargs['exclude_directories']))
+ idir = build.InstallDir(
+ self.subdir,
+ args[0],
+ kwargs['install_dir'],
+ kwargs['install_mode'],
+ exclude,
+ kwargs['strip_directory'],
+ self.subproject)
+ self.build.install_dirs.append(idir)
+ return idir
+
+ @FeatureNewKwargs('configure_file', '0.47.0', ['copy', 'output_format', 'install_mode', 'encoding'])
+ @FeatureNewKwargs('configure_file', '0.46.0', ['format'])
+ @FeatureNewKwargs('configure_file', '0.41.0', ['capture'])
+ @FeatureNewKwargs('configure_file', '0.50.0', ['install'])
+ @FeatureNewKwargs('configure_file', '0.52.0', ['depfile'])
+ @permittedKwargs({'input', 'output', 'configuration', 'command', 'copy', 'depfile',
+ 'install_dir', 'install_mode', 'capture', 'install', 'format',
+ 'output_format', 'encoding'})
+ @noPosargs
+ def func_configure_file(self, node, args, kwargs):
+ if 'output' not in kwargs:
+ raise InterpreterException('Required keyword argument "output" not defined.')
+ actions = {'configuration', 'command', 'copy'}.intersection(kwargs.keys())
+ if len(actions) == 0:
+ raise InterpreterException('Must specify an action with one of these '
+ 'keyword arguments: \'configuration\', '
+ '\'command\', or \'copy\'.')
+ elif len(actions) == 2:
+ raise InterpreterException('Must not specify both {!r} and {!r} '
+ 'keyword arguments since they are '
+ 'mutually exclusive.'.format(*actions))
+ elif len(actions) == 3:
+ raise InterpreterException('Must specify one of {!r}, {!r}, and '
+ '{!r} keyword arguments since they are '
+ 'mutually exclusive.'.format(*actions))
+ if 'capture' in kwargs:
+ if not isinstance(kwargs['capture'], bool):
+ raise InterpreterException('"capture" keyword must be a boolean.')
+ if 'command' not in kwargs:
+ raise InterpreterException('"capture" keyword requires "command" keyword.')
+
+ if 'format' in kwargs:
+ fmt = kwargs['format']
+ if not isinstance(fmt, str):
+ raise InterpreterException('"format" keyword must be a string.')
+ else:
+ fmt = 'meson'
+
+ if fmt not in ('meson', 'cmake', 'cmake@'):
+ raise InterpreterException('"format" possible values are "meson", "cmake" or "cmake@".')
+
+ if 'output_format' in kwargs:
+ output_format = kwargs['output_format']
+ if not isinstance(output_format, str):
+ raise InterpreterException('"output_format" keyword must be a string.')
+ else:
+ output_format = 'c'
+
+ if output_format not in ('c', 'nasm'):
+ raise InterpreterException('"format" possible values are "c" or "nasm".')
+
+ if 'depfile' in kwargs:
+ depfile = kwargs['depfile']
+ if not isinstance(depfile, str):
+ raise InterpreterException('depfile file name must be a string')
+ else:
+ depfile = None
+
+ # Validate input
+ inputs = self.source_strings_to_files(extract_as_list(kwargs, 'input'))
+ inputs_abs = []
+ for f in inputs:
+ if isinstance(f, mesonlib.File):
+ inputs_abs.append(f.absolute_path(self.environment.source_dir,
+ self.environment.build_dir))
+ self.add_build_def_file(f)
+ else:
+ raise InterpreterException('Inputs can only be strings or file objects')
+ # Validate output
+ output = kwargs['output']
+ if not isinstance(output, str):
+ raise InterpreterException('Output file name must be a string')
+ if inputs_abs:
+ values = mesonlib.get_filenames_templates_dict(inputs_abs, None)
+ outputs = mesonlib.substitute_values([output], values)
+ output = outputs[0]
+ if depfile:
+ depfile = mesonlib.substitute_values([depfile], values)[0]
+ ofile_rpath = os.path.join(self.subdir, output)
+ if ofile_rpath in self.configure_file_outputs:
+ mesonbuildfile = os.path.join(self.subdir, 'meson.build')
+ current_call = f"{mesonbuildfile}:{self.current_lineno}"
+ first_call = "{}:{}".format(mesonbuildfile, self.configure_file_outputs[ofile_rpath])
+ mlog.warning('Output file', mlog.bold(ofile_rpath, True), 'for configure_file() at', current_call, 'overwrites configure_file() output at', first_call)
+ else:
+ self.configure_file_outputs[ofile_rpath] = self.current_lineno
+ if os.path.dirname(output) != '':
+ raise InterpreterException('Output file name must not contain a subdirectory.')
+ (ofile_path, ofile_fname) = os.path.split(os.path.join(self.subdir, output))
+ ofile_abs = os.path.join(self.environment.build_dir, ofile_path, ofile_fname)
+ # Perform the appropriate action
+ if 'configuration' in kwargs:
+ conf = kwargs['configuration']
+ if isinstance(conf, dict):
+ FeatureNew.single_use('configure_file.configuration dictionary', '0.49.0', self.subproject)
+ conf = ConfigurationDataObject(self.subproject, conf)
+ elif not isinstance(conf, ConfigurationDataObject):
+ raise InterpreterException('Argument "configuration" is not of type configuration_data')
+ mlog.log('Configuring', mlog.bold(output), 'using configuration')
+ if len(inputs) > 1:
+ raise InterpreterException('At most one input file can given in configuration mode')
+ if inputs:
+ os.makedirs(os.path.join(self.environment.build_dir, self.subdir), exist_ok=True)
+ file_encoding = kwargs.setdefault('encoding', 'utf-8')
+ missing_variables, confdata_useless = \
+ mesonlib.do_conf_file(inputs_abs[0], ofile_abs, conf.conf_data,
+ fmt, file_encoding)
+ if missing_variables:
+ var_list = ", ".join(map(repr, sorted(missing_variables)))
+ mlog.warning(
+ "The variable(s) %s in the input file '%s' are not "
+ "present in the given configuration data." % (
+ var_list, inputs[0]), location=node)
+ if confdata_useless:
+ ifbase = os.path.basename(inputs_abs[0])
+ mlog.warning('Got an empty configuration_data() object and found no '
+ f'substitutions in the input file {ifbase!r}. If you want to '
+ 'copy a file to the build dir, use the \'copy:\' keyword '
+ 'argument added in 0.47.0', location=node)
+ else:
+ mesonlib.dump_conf_header(ofile_abs, conf.conf_data, output_format)
+ conf.mark_used()
+ elif 'command' in kwargs:
+ if len(inputs) > 1:
+ FeatureNew.single_use('multiple inputs in configure_file()', '0.52.0', self.subproject)
+ # We use absolute paths for input and output here because the cwd
+ # that the command is run from is 'unspecified', so it could change.
+ # Currently it's builddir/subdir for in_builddir else srcdir/subdir.
+ values = mesonlib.get_filenames_templates_dict(inputs_abs, [ofile_abs])
+ if depfile:
+ depfile = os.path.join(self.environment.get_scratch_dir(), depfile)
+ values['@DEPFILE@'] = depfile
+ # Substitute @INPUT@, @OUTPUT@, etc here.
+ cmd = mesonlib.substitute_values(kwargs['command'], values)
+ mlog.log('Configuring', mlog.bold(output), 'with command')
+ res = self.run_command_impl(node, cmd, {}, True)
+ if res.returncode != 0:
+ raise InterpreterException('Running configure command failed.\n%s\n%s' %
+ (res.stdout, res.stderr))
+ if 'capture' in kwargs and kwargs['capture']:
+ dst_tmp = ofile_abs + '~'
+ file_encoding = kwargs.setdefault('encoding', 'utf-8')
+ with open(dst_tmp, 'w', encoding=file_encoding) as f:
+ f.writelines(res.stdout)
+ if inputs_abs:
+ shutil.copymode(inputs_abs[0], dst_tmp)
+ mesonlib.replace_if_different(ofile_abs, dst_tmp)
+ if depfile:
+ mlog.log('Reading depfile:', mlog.bold(depfile))
+ with open(depfile, encoding='utf-8') as f:
+ df = DepFile(f.readlines())
+ deps = df.get_all_dependencies(ofile_fname)
+ for dep in deps:
+ self.add_build_def_file(dep)
+
+ elif 'copy' in kwargs:
+ if len(inputs_abs) != 1:
+ raise InterpreterException('Exactly one input file must be given in copy mode')
+ os.makedirs(os.path.join(self.environment.build_dir, self.subdir), exist_ok=True)
+ shutil.copy2(inputs_abs[0], ofile_abs)
+ else:
+ # Not reachable
+ raise AssertionError
+ # Install file if requested, we check for the empty string
+ # for backwards compatibility. That was the behaviour before
+ # 0.45.0 so preserve it.
+ idir = kwargs.get('install_dir', '')
+ if idir is False:
+ idir = ''
+ mlog.deprecation('Please use the new `install:` kwarg instead of passing '
+ '`false` to `install_dir:`', location=node)
+ if not isinstance(idir, str):
+ if isinstance(idir, list) and len(idir) == 0:
+ mlog.deprecation('install_dir: kwarg must be a string and not an empty array. '
+ 'Please use the install: kwarg to enable or disable installation. '
+ 'This will be a hard error in the next release.')
+ else:
+ raise InterpreterException('"install_dir" must be a string')
+ install = kwargs.get('install', idir != '')
+ if not isinstance(install, bool):
+ raise InterpreterException('"install" must be a boolean')
+ if install:
+ if not idir:
+ raise InterpreterException('"install_dir" must be specified '
+ 'when "install" in a configure_file '
+ 'is true')
+ cfile = mesonlib.File.from_built_file(ofile_path, ofile_fname)
+ install_mode = self._get_kwarg_install_mode(kwargs)
+ self.build.data.append(build.Data([cfile], idir, install_mode, self.subproject))
+ return mesonlib.File.from_built_file(self.subdir, output)
+
+ def extract_incdirs(self, kwargs):
+ prospectives = extract_as_list(kwargs, 'include_directories')
+ result = []
+ for p in prospectives:
+ if isinstance(p, build.IncludeDirs):
+ result.append(p)
+ elif isinstance(p, str):
+ result.append(self.build_incdir_object([p]))
+ else:
+ raise InterpreterException('Include directory objects can only be created from strings or include directories.')
+ return result
+
+ @permittedKwargs({'is_system'})
+ @stringArgs
+ def func_include_directories(self, node, args, kwargs):
+ return self.build_incdir_object(args, kwargs.get('is_system', False))
+
+ def build_incdir_object(self, incdir_strings: T.List[str], is_system: bool = False) -> build.IncludeDirs:
+ if not isinstance(is_system, bool):
+ raise InvalidArguments('Is_system must be boolean.')
+ src_root = self.environment.get_source_dir()
+ build_root = self.environment.get_build_dir()
+ absbase_src = os.path.join(src_root, self.subdir)
+ absbase_build = os.path.join(build_root, self.subdir)
+
+ for a in incdir_strings:
+ if a.startswith(src_root):
+ raise InvalidArguments(textwrap.dedent('''\
+ Tried to form an absolute path to a source dir.
+ You should not do that but use relative paths instead.
+
+ To get include path to any directory relative to the current dir do
+
+ incdir = include_directories(dirname)
+
+ After this incdir will contain both the current source dir as well as the
+ corresponding build dir. It can then be used in any subdirectory and
+ Meson will take care of all the busywork to make paths work.
+
+ Dirname can even be '.' to mark the current directory. Though you should
+ remember that the current source and build directories are always
+ put in the include directories by default so you only need to do
+ include_directories('.') if you intend to use the result in a
+ different subdirectory.
+ '''))
+ else:
+ try:
+ self.validate_within_subproject(self.subdir, a)
+ except InterpreterException:
+ mlog.warning('include_directories sandbox violation!')
+ print(textwrap.dedent(f'''\
+ The project is trying to access the directory {a} which belongs to a different
+ subproject. This is a problem as it hardcodes the relative paths of these two projeccts.
+ This makes it impossible to compile the project in any other directory layout and also
+ prevents the subproject from changing its own directory layout.
+
+ Instead of poking directly at the internals the subproject should be executed and
+ it should set a variable that the caller can then use. Something like:
+
+ # In subproject
+ some_dep = declare_depencency(include_directories: include_directories('include'))
+
+ # In parent project
+ some_dep = depencency('some')
+ executable(..., dependencies: [some_dep])
+
+ This warning will become a hard error in a future Meson release.
+ '''))
+ absdir_src = os.path.join(absbase_src, a)
+ absdir_build = os.path.join(absbase_build, a)
+ if not os.path.isdir(absdir_src) and not os.path.isdir(absdir_build):
+ raise InvalidArguments('Include dir %s does not exist.' % a)
+ i = build.IncludeDirs(self.subdir, incdir_strings, is_system)
+ return i
+
+ @permittedKwargs({'exe_wrapper', 'gdb', 'timeout_multiplier', 'env', 'is_default',
+ 'exclude_suites'})
+ @stringArgs
+ def func_add_test_setup(self, node, args, kwargs):
+ if len(args) != 1:
+ raise InterpreterException('Add_test_setup needs one argument for the setup name.')
+ setup_name = args[0]
+ if re.fullmatch('([_a-zA-Z][_0-9a-zA-Z]*:)?[_a-zA-Z][_0-9a-zA-Z]*', setup_name) is None:
+ raise InterpreterException('Setup name may only contain alphanumeric characters.')
+ if ":" not in setup_name:
+ setup_name = (self.subproject if self.subproject else self.build.project_name) + ":" + setup_name
+ try:
+ inp = extract_as_list(kwargs, 'exe_wrapper')
+ exe_wrapper = []
+ for i in inp:
+ if isinstance(i, str):
+ exe_wrapper.append(i)
+ elif isinstance(i, ExternalProgram):
+ if not i.found():
+ raise InterpreterException('Tried to use non-found executable.')
+ exe_wrapper += i.get_command()
+ else:
+ raise InterpreterException('Exe wrapper can only contain strings or external binaries.')
+ except KeyError:
+ exe_wrapper = None
+ gdb = kwargs.get('gdb', False)
+ if not isinstance(gdb, bool):
+ raise InterpreterException('Gdb option must be a boolean')
+ timeout_multiplier = kwargs.get('timeout_multiplier', 1)
+ if not isinstance(timeout_multiplier, int):
+ raise InterpreterException('Timeout multiplier must be a number.')
+ if timeout_multiplier <= 0:
+ FeatureNew('add_test_setup() timeout_multiplier <= 0', '0.57.0').use(self.subproject)
+ is_default = kwargs.get('is_default', False)
+ if not isinstance(is_default, bool):
+ raise InterpreterException('is_default option must be a boolean')
+ if is_default:
+ if self.build.test_setup_default_name is not None:
+ raise InterpreterException('\'%s\' is already set as default. '
+ 'is_default can be set to true only once' % self.build.test_setup_default_name)
+ self.build.test_setup_default_name = setup_name
+ exclude_suites = mesonlib.stringlistify(kwargs.get('exclude_suites', []))
+ env = self.unpack_env_kwarg(kwargs)
+ self.build.test_setups[setup_name] = build.TestSetup(exe_wrapper, gdb, timeout_multiplier, env,
+ exclude_suites)
+
+ @typed_pos_args('add_global_arguments', varargs=str)
+ @typed_kwargs('add_global_arguments', _NATIVE_KW, _LANGUAGE_KW)
+ def func_add_global_arguments(self, node: mparser.FunctionNode, args: T.Tuple[T.List[str]], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ self._add_global_arguments(node, self.build.global_args[kwargs['native']], args[0], kwargs)
+
+ @typed_pos_args('add_global_link_arguments', varargs=str)
+ @typed_kwargs('add_global_arguments', _NATIVE_KW, _LANGUAGE_KW)
+ def func_add_global_link_arguments(self, node: mparser.FunctionNode, args: T.Tuple[T.List[str]], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ self._add_global_arguments(node, self.build.global_link_args[kwargs['native']], args[0], kwargs)
+
+ @typed_pos_args('add_project_arguments', varargs=str)
+ @typed_kwargs('add_project_arguments', _NATIVE_KW, _LANGUAGE_KW)
+ def func_add_project_arguments(self, node: mparser.FunctionNode, args: T.Tuple[T.List[str]], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ self._add_project_arguments(node, self.build.projects_args[kwargs['native']], args[0], kwargs)
+
+ @typed_pos_args('add_project_link_arguments', varargs=str)
+ @typed_kwargs('add_global_arguments', _NATIVE_KW, _LANGUAGE_KW)
+ def func_add_project_link_arguments(self, node: mparser.FunctionNode, args: T.Tuple[T.List[str]], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ self._add_project_arguments(node, self.build.projects_link_args[kwargs['native']], args[0], kwargs)
+
+ def _warn_about_builtin_args(self, args: T.List[str]) -> None:
+ # -Wpedantic is deliberately not included, since some people want to use it but not use -Wextra
+ # see e.g.
+ # https://github.com/mesonbuild/meson/issues/3275#issuecomment-641354956
+ # https://github.com/mesonbuild/meson/issues/3742
+ warnargs = ('/W1', '/W2', '/W3', '/W4', '/Wall', '-Wall', '-Wextra')
+ optargs = ('-O0', '-O2', '-O3', '-Os', '/O1', '/O2', '/Os')
+ for arg in args:
+ if arg in warnargs:
+ mlog.warning(f'Consider using the built-in warning_level option instead of using "{arg}".',
+ location=self.current_node)
+ elif arg in optargs:
+ mlog.warning(f'Consider using the built-in optimization level instead of using "{arg}".',
+ location=self.current_node)
+ elif arg == '-Werror':
+ mlog.warning(f'Consider using the built-in werror option instead of using "{arg}".',
+ location=self.current_node)
+ elif arg == '-g':
+ mlog.warning(f'Consider using the built-in debug option instead of using "{arg}".',
+ location=self.current_node)
+ elif arg.startswith('-fsanitize'):
+ mlog.warning(f'Consider using the built-in option for sanitizers instead of using "{arg}".',
+ location=self.current_node)
+ elif arg.startswith('-std=') or arg.startswith('/std:'):
+ mlog.warning(f'Consider using the built-in option for language standard version instead of using "{arg}".',
+ location=self.current_node)
+
+ def _add_global_arguments(self, node: mparser.FunctionNode, argsdict: T.Dict[str, T.List[str]],
+ args: T.List[str], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ if self.is_subproject():
+ msg = f'Function \'{node.func_name}\' cannot be used in subprojects because ' \
+ 'there is no way to make that reliable.\nPlease only call ' \
+ 'this if is_subproject() returns false. Alternatively, ' \
+ 'define a variable that\ncontains your language-specific ' \
+ 'arguments and add it to the appropriate *_args kwarg ' \
+ 'in each target.'
+ raise InvalidCode(msg)
+ frozen = self.project_args_frozen or self.global_args_frozen
+ self._add_arguments(node, argsdict, frozen, args, kwargs)
+
+ def _add_project_arguments(self, node: mparser.FunctionNode, argsdict: T.Dict[str, T.Dict[str, T.List[str]]],
+ args: T.List[str], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ if self.subproject not in argsdict:
+ argsdict[self.subproject] = {}
+ self._add_arguments(node, argsdict[self.subproject],
+ self.project_args_frozen, args, kwargs)
+
+ def _add_arguments(self, node: mparser.FunctionNode, argsdict: T.Dict[str, T.List[str]],
+ args_frozen: bool, args: T.List[str], kwargs: 'kwargs.FuncAddProjectArgs') -> None:
+ if args_frozen:
+ msg = f'Tried to use \'{node.func_name}\' after a build target has been declared.\n' \
+ 'This is not permitted. Please declare all arguments before your targets.'
+ raise InvalidCode(msg)
+
+ self._warn_about_builtin_args(args)
+
+ for lang in kwargs['language']:
+ argsdict[lang] = argsdict.get(lang, []) + args
+
+ @noKwargs
+ @noArgsFlattening
+ def func_environment(self, node, args, kwargs):
+ if len(args) > 1:
+ raise InterpreterException('environment takes only one optional positional arguments')
+ elif len(args) == 1:
+ FeatureNew.single_use('environment positional arguments', '0.52.0', self.subproject)
+ initial_values = args[0]
+ if not isinstance(initial_values, dict) and not isinstance(initial_values, list):
+ raise InterpreterException('environment first argument must be a dictionary or a list')
+ else:
+ initial_values = {}
+ return EnvironmentVariablesObject(initial_values, self.subproject)
+
+ @stringArgs
+ @noKwargs
+ def func_join_paths(self, node, args, kwargs):
+ return self.join_path_strings(args)
+
+ def run(self) -> None:
+ super().run()
+ mlog.log('Build targets in project:', mlog.bold(str(len(self.build.targets))))
+ FeatureNew.report(self.subproject)
+ FeatureDeprecated.report(self.subproject)
+ if not self.is_subproject():
+ self.print_extra_warnings()
+ if self.subproject == '':
+ self._print_summary()
+
+ def print_extra_warnings(self) -> None:
+ # TODO cross compilation
+ for c in self.coredata.compilers.host.values():
+ if c.get_id() == 'clang':
+ self.check_clang_asan_lundef()
+ break
+
+ def check_clang_asan_lundef(self) -> None:
+ if OptionKey('b_lundef') not in self.coredata.options:
+ return
+ if OptionKey('b_sanitize') not in self.coredata.options:
+ return
+ if (self.coredata.options[OptionKey('b_lundef')].value and
+ self.coredata.options[OptionKey('b_sanitize')].value != 'none'):
+ mlog.warning('''Trying to use {} sanitizer on Clang with b_lundef.
+This will probably not work.
+Try setting b_lundef to false instead.'''.format(self.coredata.options[OptionKey('b_sanitize')].value),
+ location=self.current_node)
+
+ # Check that the indicated file is within the same subproject
+ # as we currently are. This is to stop people doing
+ # nasty things like:
+ #
+ # f = files('../../master_src/file.c')
+ #
+ # Note that this is validated only when the file
+ # object is generated. The result can be used in a different
+ # subproject than it is defined in (due to e.g. a
+ # declare_dependency).
+ def validate_within_subproject(self, subdir, fname):
+ srcdir = Path(self.environment.source_dir)
+ norm = Path(srcdir, subdir, fname).resolve()
+ if os.path.isdir(norm):
+ inputtype = 'directory'
+ else:
+ inputtype = 'file'
+ if srcdir not in norm.parents:
+ # Grabbing files outside the source tree is ok.
+ # This is for vendor stuff like:
+ #
+ # /opt/vendorsdk/src/file_with_license_restrictions.c
+ return
+ project_root = Path(srcdir, self.root_subdir)
+ if norm == project_root:
+ return
+ if project_root not in norm.parents:
+ raise InterpreterException(f'Sandbox violation: Tried to grab {inputtype} {norm.name} outside current (sub)project.')
+ if project_root / self.subproject_dir in norm.parents:
+ raise InterpreterException(f'Sandbox violation: Tried to grab {inputtype} {norm.name} from a nested subproject.')
+
+
+ @T.overload
+ def source_strings_to_files(self, sources: T.List['mesonlib.FileOrString']) -> T.List['mesonlib.File']: ...
+
+ def source_strings_to_files(self, sources: T.List['SourceInputs']) -> T.List['SourceOutputs']:
+ """Lower inputs to a list of Targets and Files, replacing any strings.
+
+ :param sources: A raw (Meson DSL) list of inputs (targets, files, and
+ strings)
+ :raises InterpreterException: if any of the inputs are of an invalid type
+ :return: A list of Targets and Files
+ """
+ mesonlib.check_direntry_issues(sources)
+ if not isinstance(sources, list):
+ sources = [sources]
+ results: T.List['SourceOutputs'] = []
+ for s in sources:
+ if isinstance(s, str):
+ self.validate_within_subproject(self.subdir, s)
+ results.append(mesonlib.File.from_source_file(self.environment.source_dir, self.subdir, s))
+ elif isinstance(s, mesonlib.File):
+ results.append(s)
+ elif isinstance(s, (build.GeneratedList, build.BuildTarget,
+ build.CustomTargetIndex, build.CustomTarget,
+ build.GeneratedList)):
+ results.append(s)
+ else:
+ raise InterpreterException(f'Source item is {s!r} instead of '
+ 'string or File-type object')
+ return results
+
+ def add_target(self, name, tobj):
+ if name == '':
+ raise InterpreterException('Target name must not be empty.')
+ if name.strip() == '':
+ raise InterpreterException('Target name must not consist only of whitespace.')
+ if name.startswith('meson-'):
+ raise InvalidArguments("Target names starting with 'meson-' are reserved "
+ "for Meson's internal use. Please rename.")
+ if name in coredata.FORBIDDEN_TARGET_NAMES:
+ raise InvalidArguments("Target name '%s' is reserved for Meson's "
+ "internal use. Please rename." % name)
+ # To permit an executable and a shared library to have the
+ # same name, such as "foo.exe" and "libfoo.a".
+ idname = tobj.get_id()
+ if idname in self.build.targets:
+ raise InvalidCode('Tried to create target "%s", but a target of that name already exists.' % name)
+ self.build.targets[idname] = tobj
+ if idname not in self.coredata.target_guids:
+ self.coredata.target_guids[idname] = str(uuid.uuid4()).upper()
+
+ @FeatureNew('both_libraries', '0.46.0')
+ def build_both_libraries(self, node, args, kwargs):
+ shared_lib = self.build_target(node, args, kwargs, build.SharedLibrary)
+
+ # Check if user forces non-PIC static library.
+ pic = True
+ key = OptionKey('b_staticpic')
+ if 'pic' in kwargs:
+ pic = kwargs['pic']
+ elif key in self.environment.coredata.options:
+ pic = self.environment.coredata.options[key].value
+
+ if self.backend.name == 'xcode':
+ # Xcode is a bit special in that you can't (at least for the moment)
+ # form a library only from object file inputs. The simple but inefficient
+ # solution is to use the sources directly. This will lead to them being
+ # built twice. This is unfortunate and slow, but at least it works.
+ # Feel free to submit patches to get this fixed if it is an
+ # issue for you.
+ reuse_object_files = False
+ else:
+ reuse_object_files = pic
+
+ if reuse_object_files:
+ # Exclude sources from args and kwargs to avoid building them twice
+ static_args = [args[0]]
+ static_kwargs = kwargs.copy()
+ static_kwargs['sources'] = []
+ static_kwargs['objects'] = shared_lib.extract_all_objects()
+ else:
+ static_args = args
+ static_kwargs = kwargs
+
+ static_lib = self.build_target(node, static_args, static_kwargs, build.StaticLibrary)
+
+ return build.BothLibraries(shared_lib, static_lib)
+
+ def build_library(self, node, args, kwargs):
+ default_library = self.coredata.get_option(OptionKey('default_library', subproject=self.subproject))
+ if default_library == 'shared':
+ return self.build_target(node, args, kwargs, build.SharedLibrary)
+ elif default_library == 'static':
+ return self.build_target(node, args, kwargs, build.StaticLibrary)
+ elif default_library == 'both':
+ return self.build_both_libraries(node, args, kwargs)
+ else:
+ raise InterpreterException('Unknown default_library value: %s.', default_library)
+
+ def build_target(self, node, args, kwargs, targetclass):
+ @FeatureNewKwargs('build target', '0.42.0', ['rust_crate_type', 'build_rpath', 'implicit_include_directories'])
+ @FeatureNewKwargs('build target', '0.41.0', ['rust_args'])
+ @FeatureNewKwargs('build target', '0.40.0', ['build_by_default'])
+ @FeatureNewKwargs('build target', '0.48.0', ['gnu_symbol_visibility'])
+ def build_target_decorator_caller(self, node, args, kwargs):
+ return True
+
+ build_target_decorator_caller(self, node, args, kwargs)
+
+ if not args:
+ raise InterpreterException('Target does not have a name.')
+ name, *sources = args
+ for_machine = self.machine_from_native_kwarg(kwargs)
+ if 'sources' in kwargs:
+ sources += listify(kwargs['sources'])
+ sources = self.source_strings_to_files(sources)
+ objs = extract_as_list(kwargs, 'objects')
+ kwargs['dependencies'] = extract_as_list(kwargs, 'dependencies')
+ kwargs['install_mode'] = self._get_kwarg_install_mode(kwargs)
+ if 'extra_files' in kwargs:
+ ef = extract_as_list(kwargs, 'extra_files')
+ kwargs['extra_files'] = self.source_strings_to_files(ef)
+ self.check_sources_exist(os.path.join(self.source_root, self.subdir), sources)
+ if targetclass not in {build.Executable, build.SharedLibrary, build.SharedModule, build.StaticLibrary, build.Jar}:
+ mlog.debug('Unknown target type:', str(targetclass))
+ raise RuntimeError('Unreachable code')
+ self.kwarg_strings_to_includedirs(kwargs)
+
+ # Filter out kwargs from other target types. For example 'soversion'
+ # passed to library() when default_library == 'static'.
+ kwargs = {k: v for k, v in kwargs.items() if k in targetclass.known_kwargs}
+
+ kwargs['include_directories'] = self.extract_incdirs(kwargs)
+ target = targetclass(name, self.subdir, self.subproject, for_machine, sources, objs, self.environment, kwargs)
+ target.project_version = self.project_version
+
+ self.add_stdlib_info(target)
+ self.add_target(name, target)
+ self.project_args_frozen = True
+ return target
+
+ def kwarg_strings_to_includedirs(self, kwargs):
+ if 'd_import_dirs' in kwargs:
+ items = mesonlib.extract_as_list(kwargs, 'd_import_dirs')
+ cleaned_items = []
+ for i in items:
+ if isinstance(i, str):
+ # BW compatibility. This was permitted so we must support it
+ # for a few releases so people can transition to "correct"
+ # path declarations.
+ if os.path.normpath(i).startswith(self.environment.get_source_dir()):
+ mlog.warning('''Building a path to the source dir is not supported. Use a relative path instead.
+This will become a hard error in the future.''', location=self.current_node)
+ i = os.path.relpath(i, os.path.join(self.environment.get_source_dir(), self.subdir))
+ i = self.build_incdir_object([i])
+ cleaned_items.append(i)
+ kwargs['d_import_dirs'] = cleaned_items
+
+ def get_used_languages(self, target):
+ result = set()
+ for i in target.sources:
+ for lang, c in self.coredata.compilers[target.for_machine].items():
+ if c.can_compile(i):
+ result.add(lang)
+ break
+ return result
+
+ def add_stdlib_info(self, target):
+ for l in self.get_used_languages(target):
+ dep = self.build.stdlibs[target.for_machine].get(l, None)
+ if dep:
+ target.add_deps(dep)
+
+ def check_sources_exist(self, subdir, sources):
+ for s in sources:
+ if not isinstance(s, str):
+ continue # This means a generated source and they always exist.
+ fname = os.path.join(subdir, s)
+ if not os.path.isfile(fname):
+ raise InterpreterException('Tried to add non-existing source file %s.' % s)
+
+ # Only permit object extraction from the same subproject
+ def validate_extraction(self, buildtarget: mesonlib.HoldableObject) -> None:
+ if self.subproject != buildtarget.subproject:
+ raise InterpreterException('Tried to extract objects from a different subproject.')
+
+ def is_subproject(self):
+ return self.subproject != ''
+
+ @noKwargs
+ @noArgsFlattening
+ @noSecondLevelHolderResolving
+ def func_set_variable(self, node, args, kwargs):
+ if len(args) != 2:
+ raise InvalidCode('Set_variable takes two arguments.')
+ varname, value = args
+ self.set_variable(varname, value, holderify=True)
+
+ @noKwargs
+ @noArgsFlattening
+ @permissive_unholder_return
+ def func_get_variable(self, node, args, kwargs):
+ if len(args) < 1 or len(args) > 2:
+ raise InvalidCode('Get_variable takes one or two arguments.')
+ varname = args[0]
+ if isinstance(varname, Disabler):
+ return varname
+ if not isinstance(varname, str):
+ raise InterpreterException('First argument must be a string.')
+ try:
+ return self.variables[varname]
+ except KeyError:
+ pass
+ if len(args) == 2:
+ return args[1]
+ raise InterpreterException('Tried to get unknown variable "%s".' % varname)
+
+ @stringArgs
+ @noKwargs
+ def func_is_variable(self, node, args, kwargs):
+ if len(args) != 1:
+ raise InvalidCode('Is_variable takes two arguments.')
+ varname = args[0]
+ return varname in self.variables
+
+ @staticmethod
+ def machine_from_native_kwarg(kwargs: T.Dict[str, T.Any]) -> MachineChoice:
+ native = kwargs.get('native', False)
+ if not isinstance(native, bool):
+ raise InvalidArguments('Argument to "native" must be a boolean.')
+ return MachineChoice.BUILD if native else MachineChoice.HOST
+
+ @FeatureNew('is_disabler', '0.52.0')
+ @noKwargs
+ def func_is_disabler(self, node, args, kwargs):
+ if len(args) != 1:
+ raise InvalidCode('Is_disabler takes one argument.')
+ varname = args[0]
+ return isinstance(varname, Disabler)
+
+ @noKwargs
+ @FeatureNew('range', '0.58.0')
+ @typed_pos_args('range', int, optargs=[int, int])
+ def func_range(self, node, args: T.Tuple[int, T.Optional[int], T.Optional[int]], kwargs: T.Dict[str, T.Any]) -> RangeHolder:
+ start, stop, step = args
+ # Just like Python's range, we allow range(stop), range(start, stop), or
+ # range(start, stop, step)
+ if stop is None:
+ stop = start
+ start = 0
+ if step is None:
+ step = 1
+ # This is more strict than Python's range()
+ if start < 0:
+ raise InterpreterException('start cannot be negative')
+ if stop < start:
+ raise InterpreterException('stop cannot be less than start')
+ if step < 1:
+ raise InterpreterException('step must be >=1')
+ return RangeHolder(start, stop, step, subproject=self.subproject)