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106 lines
3.6 KiB
106 lines
3.6 KiB
# Copyright 2021 The Meson development team |
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# SPDX-license-identifier: Apache-2.0 |
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import typing as T |
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from ...interpreterbase import ( |
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ObjectHolder, |
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IterableObject, |
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MesonOperator, |
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typed_operator, |
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noKwargs, |
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noPosargs, |
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noArgsFlattening, |
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typed_pos_args, |
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FeatureNew, |
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TYPE_var, |
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TYPE_kwargs, |
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InvalidArguments, |
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) |
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from ...mparser import PlusAssignmentNode |
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if T.TYPE_CHECKING: |
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# Object holders need the actual interpreter |
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from ...interpreter import Interpreter |
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class ArrayHolder(ObjectHolder[T.List[TYPE_var]], IterableObject): |
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def __init__(self, obj: T.List[TYPE_var], interpreter: 'Interpreter') -> None: |
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super().__init__(obj, interpreter) |
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self.methods.update({ |
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'contains': self.contains_method, |
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'length': self.length_method, |
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'get': self.get_method, |
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}) |
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self.trivial_operators.update({ |
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MesonOperator.EQUALS: (list, lambda x: self.held_object == x), |
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MesonOperator.NOT_EQUALS: (list, lambda x: self.held_object != x), |
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MesonOperator.IN: (object, lambda x: x in self.held_object), |
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MesonOperator.NOT_IN: (object, lambda x: x not in self.held_object), |
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}) |
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# Use actual methods for functions that require additional checks |
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self.operators.update({ |
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MesonOperator.PLUS: self.op_plus, |
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MesonOperator.INDEX: self.op_index, |
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}) |
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def display_name(self) -> str: |
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return 'array' |
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def iter_tuple_size(self) -> None: |
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return None |
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def iter_self(self) -> T.Iterator[TYPE_var]: |
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return iter(self.held_object) |
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def size(self) -> int: |
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return len(self.held_object) |
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@noArgsFlattening |
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@noKwargs |
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@typed_pos_args('array.contains', object) |
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def contains_method(self, args: T.Tuple[object], kwargs: TYPE_kwargs) -> bool: |
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def check_contains(el: T.List[TYPE_var]) -> bool: |
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for element in el: |
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if isinstance(element, list): |
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found = check_contains(element) |
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if found: |
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return True |
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if element == args[0]: |
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return True |
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return False |
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return check_contains(self.held_object) |
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@noKwargs |
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@noPosargs |
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def length_method(self, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> int: |
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return len(self.held_object) |
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@noArgsFlattening |
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@noKwargs |
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@typed_pos_args('array.get', int, optargs=[object]) |
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def get_method(self, args: T.Tuple[int, T.Optional[TYPE_var]], kwargs: TYPE_kwargs) -> TYPE_var: |
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index = args[0] |
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if index < -len(self.held_object) or index >= len(self.held_object): |
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if args[1] is None: |
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raise InvalidArguments(f'Array index {index} is out of bounds for array of size {len(self.held_object)}.') |
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return args[1] |
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return self.held_object[index] |
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@typed_operator(MesonOperator.PLUS, object) |
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def op_plus(self, other: TYPE_var) -> T.List[TYPE_var]: |
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if not isinstance(other, list): |
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if not isinstance(self.current_node, PlusAssignmentNode): |
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FeatureNew.single_use('list.<plus>', '0.60.0', self.subproject, 'The right hand operand was not a list.') |
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other = [other] |
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return self.held_object + other |
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@typed_operator(MesonOperator.INDEX, int) |
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def op_index(self, other: int) -> TYPE_var: |
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try: |
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return self.held_object[other] |
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except IndexError: |
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raise InvalidArguments(f'Index {other} out of bounds of array of size {len(self.held_object)}.')
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