59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# from smnp.type.model import Type
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#
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from smnp.type.model import Type
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class Signature:
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def __init__(self, check, string, matchers):
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self.check = check
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self.string = string
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self.matchers = matchers
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def varargSignature(varargMatcher, *basicSignature, wrapVarargInValue=False):
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def check(args):
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if len(basicSignature) > len(args):
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return doesNotMatchVararg(basicSignature)
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for i in range(len(basicSignature)):
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if not basicSignature[i].match(args[i]):
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return doesNotMatchVararg(basicSignature)
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for i in range(len(basicSignature), len(args)):
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if not varargMatcher.match(args[i]):
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return doesNotMatchVararg(basicSignature)
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if wrapVarargInValue:
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return True, (*args[:len(basicSignature)]), Type.list(args[len(basicSignature):])
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else:
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return True, (*args[:len(basicSignature)]), args[len(basicSignature):]
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string = f"({', '.join([str(m) for m in basicSignature])}{', ' if len(basicSignature) > 0 else ''}{str(varargMatcher)}...)"
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return Signature(check, string, [varargMatcher, *basicSignature])
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def doesNotMatchVararg(basicSignature):
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return (False, *[None for n in basicSignature], None)
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def signature(*signature):
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def check(args):
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if len(signature) != len(args):
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return doesNotMatch(signature)
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for s, a in zip(signature, args):
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if not s.match(a):
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return doesNotMatch(signature)
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return (True, *args)
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string = f"({', '.join([str(m) for m in signature])})"
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return Signature(check, string, signature)
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def doesNotMatch(sign):
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return (False, *[None for n in sign])
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