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# SPDX-License-Identifier: Apache-2.0
# Copyright 2019 The Meson development team
from __future__ import annotations
import typing as T
from . import ExtensionModule, ModuleObject, MutableModuleObject, ModuleInfo
from .. import build
from .. import dependencies
from .. import mesonlib
from ..interpreterbase import (
noPosargs, noKwargs,
InterpreterException, InvalidArguments, InvalidCode, FeatureNew,
)
from ..interpreterbase.decorators import ContainerTypeInfo, KwargInfo, typed_kwargs, typed_pos_args
from ..mesonlib import OrderedSet
if T.TYPE_CHECKING:
from typing_extensions import TypedDict
from . import ModuleState
from ..interpreter import Interpreter
from ..interpreterbase import TYPE_var, TYPE_kwargs
class AddKwargs(TypedDict):
when: T.List[T.Union[str, dependencies.Dependency]]
if_true: T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes, dependencies.Dependency]]
if_false: T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]]
class AddAllKw(TypedDict):
when: T.List[T.Union[str, dependencies.Dependency]]
if_true: T.List[SourceSetImpl]
class ApplyKw(TypedDict):
strict: bool
_WHEN_KW: KwargInfo[T.List[T.Union[str, dependencies.Dependency]]] = KwargInfo(
'when',
ContainerTypeInfo(list, (str, dependencies.Dependency)),
listify=True,
default=[],
)
class SourceSetRule(T.NamedTuple):
keys: T.List[str]
"""Configuration keys that enable this rule if true"""
deps: T.List[dependencies.Dependency]
"""Dependencies that enable this rule if true"""
sources: T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]]
"""Source files added when this rule's conditions are true"""
extra_deps: T.List[dependencies.Dependency]
"""Dependencies added when this rule's conditions are true, but
that do not make the condition false if they're absent."""
sourcesets: T.List[SourceSetImpl]
"""Other sourcesets added when this rule's conditions are true"""
if_false: T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]]
"""Source files added when this rule's conditions are false"""
class SourceFiles(T.NamedTuple):
sources: OrderedSet[T.Union[mesonlib.FileOrString, build.GeneratedTypes]]
deps: OrderedSet[dependencies.Dependency]
class SourceSet:
"""Base class to avoid circular references.
Because of error messages, this class is called SourceSet, and the actual
implementation is an Impl.
"""
class SourceSetImpl(SourceSet, MutableModuleObject):
def __init__(self, interpreter: Interpreter):
super().__init__()
self.rules: T.List[SourceSetRule] = []
self.frozen = False
self.methods.update({
'add': self.add_method,
'add_all': self.add_all_method,
'all_sources': self.all_sources_method,
'all_dependencies': self.all_dependencies_method,
'apply': self.apply_method,
})
def check_source_files(self, args: T.Sequence[T.Union[mesonlib.FileOrString, build.GeneratedTypes, dependencies.Dependency]],
) -> T.Tuple[T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]], T.List[dependencies.Dependency]]:
sources: T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]] = []
deps: T.List[dependencies.Dependency] = []
for x in args:
if isinstance(x, dependencies.Dependency):
deps.append(x)
else:
sources.append(x)
to_check: T.List[str] = []
# Get the actual output names to check
for s in sources:
if isinstance(s, str):
to_check.append(s)
elif isinstance(s, mesonlib.File):
to_check.append(s.fname)
else:
to_check.extend(s.get_outputs())
mesonlib.check_direntry_issues(to_check)
return sources, deps
def check_conditions(self, args: T.Sequence[T.Union[str, dependencies.Dependency]]
) -> T.Tuple[T.List[str], T.List[dependencies.Dependency]]:
keys: T.List[str] = []
deps: T.List[dependencies.Dependency] = []
for x in args:
if isinstance(x, str):
keys.append(x)
else:
deps.append(x)
return keys, deps
@typed_pos_args('sourceset.add', varargs=(str, mesonlib.File, build.GeneratedList, build.CustomTarget, build.CustomTargetIndex, dependencies.Dependency))
@typed_kwargs(
'sourceset.add',
_WHEN_KW,
KwargInfo(
'if_true',
ContainerTypeInfo(list, (str, mesonlib.File, build.GeneratedList, build.CustomTarget, build.CustomTargetIndex, dependencies.Dependency)),
listify=True,
default=[],
),
KwargInfo(
'if_false',
ContainerTypeInfo(list, (str, mesonlib.File, build.GeneratedList, build.CustomTarget, build.CustomTargetIndex)),
listify=True,
default=[],
),
)
def add_method(self, state: ModuleState,
args: T.Tuple[T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes, dependencies.Dependency]]],
kwargs: AddKwargs) -> None:
if self.frozen:
raise InvalidCode('Tried to use \'add\' after querying the source set')
when = kwargs['when']
if_true = kwargs['if_true']
if_false = kwargs['if_false']
if not any([when, if_true, if_false]):
if_true = args[0]
elif args[0]:
raise InterpreterException('add called with both positional and keyword arguments')
keys, dependencies = self.check_conditions(when)
sources, extra_deps = self.check_source_files(if_true)
if_false, _ = self.check_source_files(if_false)
self.rules.append(SourceSetRule(keys, dependencies, sources, extra_deps, [], if_false))
@typed_pos_args('sourceset.add_all', varargs=SourceSet)
@typed_kwargs(
'sourceset.add_all',
_WHEN_KW,
KwargInfo(
'if_true',
ContainerTypeInfo(list, SourceSet),
listify=True,
default=[],
)
)
def add_all_method(self, state: ModuleState, args: T.Tuple[T.List[SourceSetImpl]],
kwargs: AddAllKw) -> None:
if self.frozen:
raise InvalidCode('Tried to use \'add_all\' after querying the source set')
when = kwargs['when']
if_true = kwargs['if_true']
if not when and not if_true:
if_true = args[0]
elif args[0]:
raise InterpreterException('add_all called with both positional and keyword arguments')
keys, dependencies = self.check_conditions(when)
for s in if_true:
s.frozen = True
self.rules.append(SourceSetRule(keys, dependencies, [], [], if_true, []))
def collect(self, enabled_fn: T.Callable[[str], bool],
all_sources: bool,
into: T.Optional['SourceFiles'] = None) -> SourceFiles:
if not into:
into = SourceFiles(OrderedSet(), OrderedSet())
for entry in self.rules:
if all(x.found() for x in entry.deps) and \
all(enabled_fn(key) for key in entry.keys):
into.sources.update(entry.sources)
into.deps.update(entry.deps)
into.deps.update(entry.extra_deps)
for ss in entry.sourcesets:
ss.collect(enabled_fn, all_sources, into)
if not all_sources:
continue
into.sources.update(entry.if_false)
return into
@noKwargs
@noPosargs
def all_sources_method(self, state: ModuleState, args: T.List[TYPE_var], kwargs: TYPE_kwargs
) -> T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]]:
self.frozen = True
files = self.collect(lambda x: True, True)
return list(files.sources)
@noKwargs
@noPosargs
@FeatureNew('source_set.all_dependencies() method', '0.52.0')
def all_dependencies_method(self, state: ModuleState, args: T.List[TYPE_var], kwargs: TYPE_kwargs
) -> T.List[dependencies.Dependency]:
self.frozen = True
files = self.collect(lambda x: True, True)
return list(files.deps)
@typed_pos_args('sourceset.apply', (build.ConfigurationData, dict))
@typed_kwargs('sourceset.apply', KwargInfo('strict', bool, default=True))
def apply_method(self, state: ModuleState, args: T.Tuple[T.Union[build.ConfigurationData, T.Dict[str, TYPE_var]]], kwargs: ApplyKw) -> SourceFilesObject:
config_data = args[0]
self.frozen = True
strict = kwargs['strict']
if isinstance(config_data, dict):
def _get_from_config_data(key: str) -> bool:
assert isinstance(config_data, dict), 'for mypy'
if strict and key not in config_data:
raise InterpreterException(f'Entry {key} not in configuration dictionary.')
return bool(config_data.get(key, False))
else:
config_cache: T.Dict[str, bool] = {}
def _get_from_config_data(key: str) -> bool:
assert isinstance(config_data, build.ConfigurationData), 'for mypy'
if key not in config_cache:
if key in config_data:
config_cache[key] = bool(config_data.get(key)[0])
elif strict:
raise InvalidArguments(f'sourceset.apply: key "{key}" not in passed configuration, and strict set.')
else:
config_cache[key] = False
return config_cache[key]
files = self.collect(_get_from_config_data, False)
res = SourceFilesObject(files)
return res
class SourceFilesObject(ModuleObject):
def __init__(self, files: SourceFiles):
super().__init__()
self.files = files
self.methods.update({
'sources': self.sources_method,
'dependencies': self.dependencies_method,
})
@noPosargs
@noKwargs
def sources_method(self, state: ModuleState, args: T.List[TYPE_var], kwargs: TYPE_kwargs
) -> T.List[T.Union[mesonlib.FileOrString, build.GeneratedTypes]]:
return list(self.files.sources)
@noPosargs
@noKwargs
def dependencies_method(self, state: ModuleState, args: T.List[TYPE_var], kwargs: TYPE_kwargs
) -> T.List[dependencies.Dependency]:
return list(self.files.deps)
class SourceSetModule(ExtensionModule):
INFO = ModuleInfo('sourceset', '0.51.0')
def __init__(self, interpreter: Interpreter):
super().__init__(interpreter)
self.methods.update({
'source_set': self.source_set,
})
@noKwargs
@noPosargs
def source_set(self, state: ModuleState, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> SourceSetImpl:
return SourceSetImpl(self.interpreter)
def initialize(interp: Interpreter) -> SourceSetModule:
return SourceSetModule(interp)
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