# SPDX-License-Identifier: Apache-2.0 # Copyright 2012-2021 The Meson development team # Copyright © 2021-2025 Intel Corporation from __future__ import annotations import copy import os import typing as T from .. import mesonlib from .. import dependencies from .. import build from .. import mlog, coredata from ..mesonlib import MachineChoice from ..options import OptionKey from ..programs import OverrideProgram, ExternalProgram from ..interpreter.type_checking import ENV_KW, ENV_METHOD_KW, ENV_SEPARATOR_KW, env_convertor_with_method from ..interpreterbase import (MesonInterpreterObject, FeatureNew, FeatureDeprecated, typed_pos_args, noArgsFlattening, noPosargs, noKwargs, typed_kwargs, KwargInfo, InterpreterException) from .primitives import MesonVersionString from .type_checking import NATIVE_KW, NoneType if T.TYPE_CHECKING: from typing_extensions import Literal, TypedDict from ..compilers import Compiler from ..interpreterbase import TYPE_kwargs, TYPE_var from ..mesonlib import ExecutableSerialisation from .interpreter import Interpreter class FuncOverrideDependency(TypedDict): native: mesonlib.MachineChoice static: T.Optional[bool] class AddInstallScriptKW(TypedDict): skip_if_destdir: bool install_tag: str dry_run: bool class NativeKW(TypedDict): native: mesonlib.MachineChoice class AddDevenvKW(TypedDict): method: Literal['set', 'prepend', 'append'] separator: str class MesonMain(MesonInterpreterObject): def __init__(self, build: 'build.Build', interpreter: 'Interpreter'): super().__init__(subproject=interpreter.subproject) self.build = build self.interpreter = interpreter self.methods.update({'add_devenv': self.add_devenv_method, 'add_dist_script': self.add_dist_script_method, 'add_install_script': self.add_install_script_method, 'add_postconf_script': self.add_postconf_script_method, 'backend': self.backend_method, 'build_options': self.build_options_method, 'build_root': self.build_root_method, 'can_run_host_binaries': self.can_run_host_binaries_method, 'current_source_dir': self.current_source_dir_method, 'current_build_dir': self.current_build_dir_method, 'get_compiler': self.get_compiler_method, 'get_cross_property': self.get_cross_property_method, 'get_external_property': self.get_external_property_method, 'global_build_root': self.global_build_root_method, 'global_source_root': self.global_source_root_method, 'has_exe_wrapper': self.has_exe_wrapper_method, 'has_external_property': self.has_external_property_method, 'install_dependency_manifest': self.install_dependency_manifest_method, 'is_cross_build': self.is_cross_build_method, 'is_subproject': self.is_subproject_method, 'is_unity': self.is_unity_method, 'override_dependency': self.override_dependency_method, 'override_find_program': self.override_find_program_method, 'project_build_root': self.project_build_root_method, 'project_license': self.project_license_method, 'project_license_files': self.project_license_files_method, 'project_name': self.project_name_method, 'project_source_root': self.project_source_root_method, 'project_version': self.project_version_method, 'source_root': self.source_root_method, 'version': self.version_method, }) def _find_source_script( self, name: str, prog: T.Union[str, mesonlib.File, build.Executable, ExternalProgram], args: T.List[str]) -> 'ExecutableSerialisation': largs: T.List[T.Union[str, build.Executable, ExternalProgram]] = [] if isinstance(prog, (build.Executable, ExternalProgram)): FeatureNew.single_use(f'Passing executable/found program object to script parameter of {name}', '0.55.0', self.subproject, location=self.current_node) largs.append(prog) else: if isinstance(prog, mesonlib.File): FeatureNew.single_use(f'Passing file object to script parameter of {name}', '0.57.0', self.subproject, location=self.current_node) found = self.interpreter.find_program_impl([prog]) largs.append(found) largs.extend(args) es = self.interpreter.backend.get_executable_serialisation(largs, verbose=True) es.subproject = self.interpreter.subproject return es def _process_script_args( self, name: str, args: T.Sequence[T.Union[ str, mesonlib.File, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, ExternalProgram, ]]) -> T.List[str]: script_args = [] # T.List[str] new = False for a in args: if isinstance(a, str): script_args.append(a) elif isinstance(a, mesonlib.File): new = True script_args.append(a.rel_to_builddir(self.interpreter.environment.source_dir)) elif isinstance(a, (build.BuildTarget, build.CustomTarget, build.CustomTargetIndex)): new = True script_args.extend([os.path.join(a.get_subdir(), o) for o in a.get_outputs()]) # This feels really hacky, but I'm not sure how else to fix # this without completely rewriting install script handling. # This is complicated by the fact that the install target # depends on all. if isinstance(a, build.CustomTargetIndex): a.target.build_by_default = True else: a.build_by_default = True else: script_args.extend(a.command) new = True if new: FeatureNew.single_use( f'Calling "{name}" with File, CustomTarget, Index of CustomTarget, ' 'Executable, or ExternalProgram', '0.55.0', self.interpreter.subproject, location=self.current_node) return script_args @typed_pos_args( 'meson.add_install_script', (str, mesonlib.File, build.Executable, ExternalProgram), varargs=(str, mesonlib.File, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, ExternalProgram) ) @typed_kwargs( 'meson.add_install_script', KwargInfo('skip_if_destdir', bool, default=False, since='0.57.0'), KwargInfo('install_tag', (str, NoneType), since='0.60.0'), KwargInfo('dry_run', bool, default=False, since='1.1.0'), ) def add_install_script_method( self, args: T.Tuple[T.Union[str, mesonlib.File, build.Executable, ExternalProgram], T.List[T.Union[str, mesonlib.File, build.BuildTarget, build.CustomTarget, build.CustomTargetIndex, ExternalProgram]]], kwargs: 'AddInstallScriptKW') -> None: script_args = self._process_script_args('add_install_script', args[1]) script = self._find_source_script('add_install_script', args[0], script_args) script.skip_if_destdir = kwargs['skip_if_destdir'] script.tag = kwargs['install_tag'] script.dry_run = kwargs['dry_run'] self.build.install_scripts.append(script) @typed_pos_args( 'meson.add_postconf_script', (str, mesonlib.File, ExternalProgram), varargs=(str, mesonlib.File, ExternalProgram) ) @noKwargs def add_postconf_script_method( self, args: T.Tuple[T.Union[str, mesonlib.File, ExternalProgram], T.List[T.Union[str, mesonlib.File, ExternalProgram]]], kwargs: 'TYPE_kwargs') -> None: script_args = self._process_script_args('add_postconf_script', args[1]) script = self._find_source_script('add_postconf_script', args[0], script_args) self.build.postconf_scripts.append(script) @typed_pos_args( 'meson.add_dist_script', (str, mesonlib.File, ExternalProgram), varargs=(str, mesonlib.File, ExternalProgram) ) @noKwargs @FeatureNew('meson.add_dist_script', '0.48.0') def add_dist_script_method( self, args: T.Tuple[T.Union[str, mesonlib.File, ExternalProgram], T.List[T.Union[str, mesonlib.File, ExternalProgram]]], kwargs: 'TYPE_kwargs') -> None: if args[1]: FeatureNew.single_use('Calling "add_dist_script" with multiple arguments', '0.49.0', self.interpreter.subproject, location=self.current_node) if self.interpreter.subproject != '': FeatureNew.single_use('Calling "add_dist_script" in a subproject', '0.58.0', self.interpreter.subproject, location=self.current_node) script_args = self._process_script_args('add_dist_script', args[1]) script = self._find_source_script('add_dist_script', args[0], script_args) self.build.dist_scripts.append(script) @noPosargs @noKwargs def current_source_dir_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: src = self.interpreter.environment.source_dir sub = self.interpreter.subdir if sub == '': return src return os.path.join(src, sub) @noPosargs @noKwargs def current_build_dir_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: src = self.interpreter.environment.build_dir sub = self.interpreter.subdir if sub == '': return src return os.path.join(src, sub) @noPosargs @noKwargs def backend_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.interpreter.backend.name @noPosargs @noKwargs @FeatureDeprecated('meson.source_root', '0.56.0', 'use meson.project_source_root() or meson.global_source_root() instead.') def source_root_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.interpreter.environment.source_dir @noPosargs @noKwargs @FeatureDeprecated('meson.build_root', '0.56.0', 'use meson.project_build_root() or meson.global_build_root() instead.') def build_root_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.interpreter.environment.build_dir @noPosargs @noKwargs @FeatureNew('meson.project_source_root', '0.56.0') def project_source_root_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: src = self.interpreter.environment.source_dir sub = self.interpreter.root_subdir if sub == '': return src return os.path.join(src, sub) @noPosargs @noKwargs @FeatureNew('meson.project_build_root', '0.56.0') def project_build_root_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: src = self.interpreter.environment.build_dir sub = self.interpreter.root_subdir if sub == '': return src return os.path.join(src, sub) @noPosargs @noKwargs @FeatureNew('meson.global_source_root', '0.58.0') def global_source_root_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.interpreter.environment.source_dir @noPosargs @noKwargs @FeatureNew('meson.global_build_root', '0.58.0') def global_build_root_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.interpreter.environment.build_dir @noPosargs @noKwargs @FeatureDeprecated('meson.has_exe_wrapper', '0.55.0', 'use meson.can_run_host_binaries instead.') def has_exe_wrapper_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool: return self._can_run_host_binaries_impl() @noPosargs @noKwargs @FeatureNew('meson.can_run_host_binaries', '0.55.0') def can_run_host_binaries_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool: return self._can_run_host_binaries_impl() def _can_run_host_binaries_impl(self) -> bool: return not ( self.build.environment.is_cross_build() and self.build.environment.need_exe_wrapper() and self.build.environment.exe_wrapper is None ) @noPosargs @noKwargs def is_cross_build_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool: return self.build.environment.is_cross_build() @typed_pos_args('meson.get_compiler', str) @typed_kwargs('meson.get_compiler', NATIVE_KW) def get_compiler_method(self, args: T.Tuple[str], kwargs: 'NativeKW') -> 'Compiler': cname = args[0] for_machine = kwargs['native'] clist = self.interpreter.coredata.compilers[for_machine] try: return clist[cname] except KeyError: raise InterpreterException(f'Tried to access compiler for language "{cname}", not specified for {for_machine.get_lower_case_name()} machine.') @noPosargs @noKwargs def is_unity_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool: optval = self.interpreter.environment.coredata.optstore.get_value_for(OptionKey('unity')) return optval == 'on' or (optval == 'subprojects' and self.interpreter.is_subproject()) @noPosargs @noKwargs def is_subproject_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> bool: return self.interpreter.is_subproject() @typed_pos_args('meson.install_dependency_manifest', str) @noKwargs def install_dependency_manifest_method(self, args: T.Tuple[str], kwargs: 'TYPE_kwargs') -> None: self.build.dep_manifest_name = args[0] @FeatureNew('meson.override_find_program', '0.46.0') @typed_pos_args('meson.override_find_program', str, (mesonlib.File, ExternalProgram, build.Executable)) @noKwargs def override_find_program_method(self, args: T.Tuple[str, T.Union[mesonlib.File, ExternalProgram, build.Executable]], kwargs: 'TYPE_kwargs') -> None: name, exe = args if isinstance(exe, mesonlib.File): abspath = exe.absolute_path(self.interpreter.environment.source_dir, self.interpreter.environment.build_dir) if not os.path.exists(abspath): raise InterpreterException(f'Tried to override {name} with a file that does not exist.') exe = OverrideProgram(name, self.interpreter.project_version, command=[abspath]) self.interpreter.add_find_program_override(name, exe) @typed_kwargs( 'meson.override_dependency', NATIVE_KW, KwargInfo('static', (bool, NoneType), since='0.60.0'), ) @typed_pos_args('meson.override_dependency', str, dependencies.Dependency) @FeatureNew('meson.override_dependency', '0.54.0') def override_dependency_method(self, args: T.Tuple[str, dependencies.Dependency], kwargs: 'FuncOverrideDependency') -> None: name, dep = args if not name: raise InterpreterException('First argument must be a string and cannot be empty') # Make a copy since we're going to mutate. # # dep = declare_dependency() # meson.override_dependency('foo', dep) # meson.override_dependency('foo-1.0', dep) # dep = dependency('foo') # dep.name() # == 'foo-1.0' dep = copy.copy(dep) dep.name = name optkey = OptionKey('default_library', subproject=self.interpreter.subproject) default_library = self.interpreter.coredata.optstore.get_value_for(optkey) assert isinstance(default_library, str), 'for mypy' static = kwargs['static'] if static is None: # We don't know if dep represents a static or shared library, could # be a mix of both. We assume it is following default_library # value. self._override_dependency_impl(name, dep, kwargs, static=None) if default_library == 'static': self._override_dependency_impl(name, dep, kwargs, static=True) elif default_library == 'shared': self._override_dependency_impl(name, dep, kwargs, static=False) else: self._override_dependency_impl(name, dep, kwargs, static=True) self._override_dependency_impl(name, dep, kwargs, static=False) else: # dependency('foo') without specifying static kwarg should find this # override regardless of the static value here. But do not raise error # if it has already been overridden, which would happen when overriding # static and shared separately: # meson.override_dependency('foo', shared_dep, static: false) # meson.override_dependency('foo', static_dep, static: true) # In that case dependency('foo') would return the first override. self._override_dependency_impl(name, dep, kwargs, static=None, permissive=True) self._override_dependency_impl(name, dep, kwargs, static=static) def _override_dependency_impl(self, name: str, dep: dependencies.Dependency, kwargs: 'FuncOverrideDependency', static: T.Optional[bool], permissive: bool = False) -> None: # We need the cast here as get_dep_identifier works on such a dict, # which FuncOverrideDependency is, but mypy can't figure that out nkwargs = T.cast('T.Dict[str, T.Any]', kwargs.copy()) if static is None: del nkwargs['static'] else: nkwargs['static'] = static identifier = dependencies.get_dep_identifier(name, nkwargs) for_machine = kwargs['native'] override = self.build.dependency_overrides[for_machine].get(identifier) if override: if permissive: return m = 'Tried to override dependency {!r} which has already been resolved or overridden at {}' location = mlog.get_error_location_string(override.node.filename, override.node.lineno) raise InterpreterException(m.format(name, location)) self.build.dependency_overrides[for_machine][identifier] = \ build.DependencyOverride(dep, self.interpreter.current_node) @noPosargs @noKwargs def project_version_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.build.dep_manifest[self.interpreter.active_projectname].version @FeatureNew('meson.project_license()', '0.45.0') @noPosargs @noKwargs def project_license_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> T.List[str]: return self.build.dep_manifest[self.interpreter.active_projectname].license @FeatureNew('meson.project_license_files()', '1.1.0') @noPosargs @noKwargs def project_license_files_method(self, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> T.List[mesonlib.File]: return [l[1] for l in self.build.dep_manifest[self.interpreter.active_projectname].license_files] @noPosargs @noKwargs def version_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> MesonVersionString: return MesonVersionString(self.interpreter.coredata.version) @noPosargs @noKwargs def project_name_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: return self.interpreter.active_projectname def __get_external_property_impl(self, propname: str, fallback: T.Optional[object], machine: MachineChoice) -> object: """Shared implementation for get_cross_property and get_external_property.""" try: return self.interpreter.environment.properties[machine][propname] except KeyError: if fallback is not None: return fallback raise InterpreterException(f'Unknown property for {machine.get_lower_case_name()} machine: {propname}') @noArgsFlattening @FeatureDeprecated('meson.get_cross_property', '0.58.0', 'Use meson.get_external_property() instead') @typed_pos_args('meson.get_cross_property', str, optargs=[object]) @noKwargs def get_cross_property_method(self, args: T.Tuple[str, T.Optional[object]], kwargs: 'TYPE_kwargs') -> object: propname, fallback = args return self.__get_external_property_impl(propname, fallback, MachineChoice.HOST) @noArgsFlattening @FeatureNew('meson.get_external_property', '0.54.0') @typed_pos_args('meson.get_external_property', str, optargs=[object]) @typed_kwargs('meson.get_external_property', NATIVE_KW) def get_external_property_method(self, args: T.Tuple[str, T.Optional[object]], kwargs: 'NativeKW') -> object: propname, fallback = args return self.__get_external_property_impl(propname, fallback, kwargs['native']) @FeatureNew('meson.has_external_property', '0.58.0') @typed_pos_args('meson.has_external_property', str) @typed_kwargs('meson.has_external_property', NATIVE_KW) def has_external_property_method(self, args: T.Tuple[str], kwargs: 'NativeKW') -> bool: prop_name = args[0] return prop_name in self.interpreter.environment.properties[kwargs['native']] @FeatureNew('add_devenv', '0.58.0') @typed_kwargs('environment', ENV_METHOD_KW, ENV_SEPARATOR_KW.evolve(since='0.62.0')) @typed_pos_args('add_devenv', (str, list, dict, mesonlib.EnvironmentVariables)) def add_devenv_method(self, args: T.Tuple[T.Union[str, list, dict, mesonlib.EnvironmentVariables]], kwargs: 'AddDevenvKW') -> None: env = args[0] msg = ENV_KW.validator(env) if msg: raise build.InvalidArguments(f'"add_devenv": {msg}') converted = env_convertor_with_method(env, kwargs['method'], kwargs['separator']) assert isinstance(converted, mesonlib.EnvironmentVariables) self.build.devenv.append(converted) @noPosargs @noKwargs @FeatureNew('meson.build_options', '1.1.0') def build_options_method(self, args: T.List['TYPE_var'], kwargs: 'TYPE_kwargs') -> str: options = self.interpreter.user_defined_options if options is None: return '' return coredata.format_cmd_line_options(options)