mirror of
https://git.planet-casio.com/Lephenixnoir/JustUI.git
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102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
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from dataclasses import dataclass, field
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from typing import Callable, Union
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# Mapping of Jui types to Python types:
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# Null None
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# Booleans bool
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# Integers int
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# Floats float
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# Strings str
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# C/C++ refs CXXQualid
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# List list
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# "this" ThisRef
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# Functions Function, BuiltinFunction
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# Record types RecordType
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# Records Record
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@dataclass
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class CXXQualid:
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qualid: str
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@dataclass
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class BuiltinFunction:
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func: Callable
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@dataclass
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class Function:
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# Context in which the function gets evaluated
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closure: "juic.eval.Closure"
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# Expression node to evaluate when calling the function
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body: "juic.parser.Node"
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# Parameter names, must all be unique. May be empty
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params: list[str] = field(default_factory=[])
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# Name of variadic argument if one; must also be unique
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variadic: str | None = None
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@dataclass
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class RecordType:
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# TODO: Record prototypes?
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@staticmethod
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def makePlainRecordType():
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return RecordType()
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# @dataclass
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# class RecordCtor:
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# # Context in which the record body is evaluated
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# closure: "juic.eval.Closure"
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# # List of entries to produce, of type `REC_ATTR` or `REC_VALUE`
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# entries: list["juic.parser.Node"]
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# # Parameter names, must all be unique. May be empty
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# params: list[str] = field(default_factory=[])
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# # Name of variadic argument if one; must also be unique
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# variadic: str | None = None
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# @staticmethod
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# def makePlainRecordCtor():
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# return RecordCtor(closure=None, entries=[], params=[], variadic=None)
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@dataclass
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class Record:
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# A record type if it's pure, or a thunk with the base object otherwise.
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base: Union[RecordType, "juic.eval.Thunk"]
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# Standard key-value attribute pairs
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attr: dict[str, "juic.value.Thunk"]
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# Children elements
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children: list["juic.value.Thunk"]
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# TODO: Keep track of variables that are not fields, i.e. "methods"?
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# scope: dict[str, "JuiValue"]
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# TODO: Labels
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# labels: dict[str, "JuiValue"]
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JuiValue = Union[None, bool, int, float, str, CXXQualid, list,
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"juic.eval.PartialRecordSnapshot", BuiltinFunction, Function,
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RecordType, Record]
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def juiIsArith(value):
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return type(value) in [bool, int, float]
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def juiIsAddable(value):
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return juiIsArith(value) or type(value) in [str, list]
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def juiIsComparable(value):
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return type(value) in [None, bool, int, float, str]
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def juiIsLogical(value):
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return type(value) == bool
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def juiIsUnpackable(value):
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return type(value) == list
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def juiIsCallable(value):
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return type(value) in [BuiltinFunction, Function]
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def juiIsProjectable(value):
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return type(value) in [ThisRef, Record]
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def juiIsConstructible(value):
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return type(value) in [RecordType, Function]
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def juiIsRecordUpdatable(value):
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return type(value) == Record
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