30 lines
502 B
Plaintext
30 lines
502 B
Plaintext
grammar t050decorate;
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options {
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language = Python3;
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}
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@header {
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def logme(func):
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def decorated(self, *args, **kwargs):
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self.events.append('before')
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try:
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return func(self, *args, **kwargs)
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finally:
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self.events.append('after')
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return decorated
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}
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@parser::init {
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self.events = []
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}
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document
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@decorate {
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@logme
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}
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: IDENTIFIER
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;
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IDENTIFIER: ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'0'..'9'|'_')*;
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