39 lines
977 B
Python
39 lines
977 B
Python
# This document is generated by agtest.
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# type: ignore
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__all__ = ["parse"]
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import re
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from typing import Generic, TypeVar, Optional, Callable, Dict, Any
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from lark import Lark, Transformer
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T = TypeVar('T')
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builtins: Dict[str, Any] = {{
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"parseInt": lambda s: int(s)
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}}
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class Thunk(Generic[T]):
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''' A thunk represents a value that may be computed lazily. '''
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value: Optional[T]
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def __init__(self, func: Callable[[], T]):
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self.func = func
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self.value = None
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def get(self) -> T:
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if self.value is None:
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self.value = self.func()
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return self.value
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parser = Lark('''
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{pd}
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''', parser='lalr', start={starts}, debug=True)
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{ex}
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class Trans(Transformer[None]): {transdef}
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__agNonterminals = {ntmap}
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def parse(input: str, start: Optional[str] = None) -> Any:
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if start is not None: start = __agNonterminals[start]
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tree = parser.parse(input, start)
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trans = Trans()
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res = trans.transform(tree)
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return res
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