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@ -20,8 +20,12 @@ from . import compilers |
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from . import coredata |
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from . import mesonlib |
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from . import mparser |
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from . import mlog |
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from .interpreterbase import FeatureNew |
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if T.TYPE_CHECKING: |
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from .interpreterbase import TV_func |
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forbidden_option_names = set(coredata.BUILTIN_OPTIONS.keys()) |
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forbidden_prefixes = [lang + '_' for lang in compilers.all_languages] + ['b_', 'backend_'] |
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reserved_prefixes = ['cross_'] |
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@ -34,7 +38,6 @@ def is_invalid_name(name: str, *, log: bool = True) -> bool: |
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return True |
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if pref in reserved_prefixes: |
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if log: |
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from . import mlog |
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mlog.deprecation('Option uses prefix "%s", which is reserved for Meson. This will become an error in the future.' % pref) |
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return False |
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@ -42,36 +45,36 @@ class OptionException(mesonlib.MesonException): |
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pass |
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def permitted_kwargs(permitted): |
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def permitted_kwargs(permitted: T.Set[str]) -> T.Callable[..., T.Any]: |
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"""Function that validates kwargs for options.""" |
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def _wraps(func): |
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def _wraps(func: 'TV_func') -> 'TV_func': |
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@functools.wraps(func) |
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def _inner(name, description, kwargs): |
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def _inner(name: str, description: str, kwargs: T.Dict[str, T.Any]) -> T.Any: |
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bad = [a for a in kwargs.keys() if a not in permitted] |
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if bad: |
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raise OptionException('Invalid kwargs for option "{}": "{}"'.format( |
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name, ' '.join(bad))) |
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return func(description, kwargs) |
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return _inner |
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return T.cast('TV_func', _inner) |
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return _wraps |
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optname_regex = re.compile('[^a-zA-Z0-9_-]') |
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@permitted_kwargs({'value', 'yield'}) |
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def StringParser(description, kwargs): |
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def StringParser(description: str, kwargs: T.Dict[str, T.Any]) -> coredata.UserStringOption: |
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return coredata.UserStringOption(description, |
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kwargs.get('value', ''), |
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kwargs.get('yield', coredata.default_yielding)) |
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@permitted_kwargs({'value', 'yield'}) |
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def BooleanParser(description, kwargs): |
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def BooleanParser(description: str, kwargs: T.Dict[str, T.Any]) -> coredata.UserBooleanOption: |
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return coredata.UserBooleanOption(description, |
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kwargs.get('value', True), |
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kwargs.get('yield', coredata.default_yielding)) |
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@permitted_kwargs({'value', 'yield', 'choices'}) |
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def ComboParser(description, kwargs): |
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def ComboParser(description: str, kwargs: T.Dict[str, T.Any]) -> coredata.UserComboOption: |
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if 'choices' not in kwargs: |
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raise OptionException('Combo option missing "choices" keyword.') |
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choices = kwargs['choices'] |
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@ -87,7 +90,7 @@ def ComboParser(description, kwargs): |
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@permitted_kwargs({'value', 'min', 'max', 'yield'}) |
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def IntegerParser(description, kwargs): |
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def IntegerParser(description: str, kwargs: T.Dict[str, T.Any]) -> coredata.UserIntegerOption: |
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if 'value' not in kwargs: |
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raise OptionException('Integer option must contain value argument.') |
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inttuple = (kwargs.get('min', None), kwargs.get('max', None), kwargs['value']) |
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@ -99,7 +102,7 @@ def IntegerParser(description, kwargs): |
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# reading options in project(). See func_project() in interpreter.py |
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#@FeatureNew('array type option()', '0.44.0') |
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@permitted_kwargs({'value', 'yield', 'choices'}) |
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def string_array_parser(description, kwargs): |
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def string_array_parser(description: str, kwargs: T.Dict[str, T.Any]) -> coredata.UserArrayOption: |
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if 'choices' in kwargs: |
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choices = kwargs['choices'] |
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if not isinstance(choices, list): |
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@ -119,7 +122,7 @@ def string_array_parser(description, kwargs): |
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yielding=kwargs.get('yield', coredata.default_yielding)) |
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@permitted_kwargs({'value', 'yield'}) |
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def FeatureParser(description, kwargs): |
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def FeatureParser(description: str, kwargs: T.Dict[str, T.Any]) -> coredata.UserFeatureOption: |
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return coredata.UserFeatureOption(description, |
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kwargs.get('value', 'auto'), |
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yielding=kwargs.get('yield', coredata.default_yielding)) |
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@ -130,11 +133,11 @@ option_types = {'string': StringParser, |
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'integer': IntegerParser, |
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'array': string_array_parser, |
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'feature': FeatureParser, |
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} # type: T.Dict[str, T.Callable[[str, T.Dict], coredata.UserOption]] |
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} # type: T.Dict[str, T.Callable[[str, str, T.Dict[str, T.Any]], coredata.UserOption]] |
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class OptionInterpreter: |
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def __init__(self, subproject: str) -> None: |
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self.options = {} |
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self.options: T.Dict[str, coredata.UserOption] = {} |
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self.subproject = subproject |
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def process(self, option_file: str) -> None: |
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@ -152,20 +155,25 @@ class OptionInterpreter: |
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for cur in ast.lines: |
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try: |
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self.evaluate_statement(cur) |
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except Exception as e: |
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except mesonlib.MesonException as e: |
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e.lineno = cur.lineno |
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e.colno = cur.colno |
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e.file = option_file |
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raise e |
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except Exception as e: |
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raise mesonlib.MesonException( |
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str(e), lineno=cur.lineno, colno=cur.colno, file=option_file) |
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def reduce_single(self, arg: T.Union[str, mparser.BaseNode]) -> T.Union[str, int, bool]: |
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def reduce_single(self, arg: T.Union[str, mparser.BaseNode]) -> T.Union[str, int, bool, T.Sequence[T.Union[str, int, bool]]]: |
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if isinstance(arg, str): |
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return arg |
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elif isinstance(arg, (mparser.StringNode, mparser.BooleanNode, |
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mparser.NumberNode)): |
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return arg.value |
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elif isinstance(arg, mparser.ArrayNode): |
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return [self.reduce_single(curarg) for curarg in arg.args.arguments] |
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lr = [self.reduce_single(curarg) for curarg in arg.args.arguments] |
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# mypy really struggles with recursive flattening, help it out |
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return T.cast(T.Sequence[T.Union[str, int, bool]], lr) |
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elif isinstance(arg, mparser.UMinusNode): |
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res = self.reduce_single(arg.value) |
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if not isinstance(res, (int, float)): |
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@ -188,8 +196,9 @@ class OptionInterpreter: |
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else: |
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raise OptionException('Arguments may only be string, int, bool, or array of those.') |
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def reduce_arguments(self, args: mparser.ArgumentNode) -> T.Tuple[T.List[T.Union[str, int, bool]], T.Dict[str, T.Union[str, int, bool]]]: |
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assert(isinstance(args, mparser.ArgumentNode)) |
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def reduce_arguments(self, args: mparser.ArgumentNode) -> T.Tuple[ |
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T.List[T.Union[str, int, bool, T.Sequence[T.Union[str, int, bool]]]], |
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T.Dict[str, T.Union[str, int, bool, T.Sequence[T.Union[str, int, bool]]]]]: |
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if args.incorrect_order(): |
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raise OptionException('All keyword arguments must be after positional arguments.') |
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reduced_pos = [self.reduce_single(arg) for arg in args.arguments] |
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@ -215,6 +224,8 @@ class OptionInterpreter: |
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if 'type' not in kwargs: |
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raise OptionException('Option call missing mandatory "type" keyword argument') |
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opt_type = kwargs.pop('type') |
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if not isinstance(opt_type, str): |
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raise OptionException('option() type must be a string') |
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if opt_type not in option_types: |
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raise OptionException('Unknown type %s.' % opt_type) |
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if len(posargs) != 1: |
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@ -228,7 +239,10 @@ class OptionInterpreter: |
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raise OptionException('Option name %s is reserved.' % opt_name) |
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if self.subproject != '': |
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opt_name = self.subproject + ':' + opt_name |
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opt = option_types[opt_type](opt_name, kwargs.pop('description', ''), kwargs) |
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description = kwargs.pop('description', '') |
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if not isinstance(description, str): |
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raise OptionException('Option descriptions must be strings.') |
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opt = option_types[opt_type](opt_name, description, kwargs) |
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if opt.description == '': |
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opt.description = opt_name |
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self.options[opt_name] = opt |
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