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83 lines
2.6 KiB
83 lines
2.6 KiB
# Copyright 2021 The Meson development team |
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# SPDX-license-identifier: Apache-2.0 |
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from ...interpreterbase import ( |
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ObjectHolder, |
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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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TYPE_var, |
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TYPE_kwargs, |
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InvalidArguments |
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) |
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import typing as T |
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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 IntegerHolder(ObjectHolder[int]): |
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def __init__(self, obj: int, interpreter: 'Interpreter') -> None: |
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super().__init__(obj, interpreter) |
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self.methods.update({ |
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'is_even': self.is_even_method, |
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'is_odd': self.is_odd_method, |
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'to_string': self.to_string_method, |
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}) |
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self.trivial_operators.update({ |
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# Arithmetic |
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MesonOperator.UMINUS: (None, lambda x: -self.held_object), |
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MesonOperator.PLUS: (int, lambda x: self.held_object + x), |
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MesonOperator.MINUS: (int, lambda x: self.held_object - x), |
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MesonOperator.TIMES: (int, lambda x: self.held_object * x), |
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# Comparison |
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MesonOperator.EQUALS: (int, lambda x: self.held_object == x), |
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MesonOperator.NOT_EQUALS: (int, lambda x: self.held_object != x), |
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MesonOperator.GREATER: (int, lambda x: self.held_object > x), |
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MesonOperator.LESS: (int, lambda x: self.held_object < x), |
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MesonOperator.GREATER_EQUALS: (int, lambda x: self.held_object >= x), |
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MesonOperator.LESS_EQUALS: (int, lambda x: self.held_object <= x), |
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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.DIV: self.op_div, |
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MesonOperator.MOD: self.op_mod, |
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}) |
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def display_name(self) -> str: |
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return 'int' |
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@noKwargs |
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@noPosargs |
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def is_even_method(self, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> bool: |
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return self.held_object % 2 == 0 |
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@noKwargs |
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@noPosargs |
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def is_odd_method(self, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> bool: |
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return self.held_object % 2 != 0 |
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@noKwargs |
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@noPosargs |
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def to_string_method(self, args: T.List[TYPE_var], kwargs: TYPE_kwargs) -> str: |
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return str(self.held_object) |
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@typed_operator(MesonOperator.DIV, int) |
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def op_div(self, other: int) -> int: |
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if other == 0: |
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raise InvalidArguments('Tried to divide by 0') |
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return self.held_object // other |
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@typed_operator(MesonOperator.MOD, int) |
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def op_mod(self, other: int) -> int: |
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if other == 0: |
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raise InvalidArguments('Tried to divide by 0') |
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return self.held_object % other |
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