28 lines
410 B
Plaintext
28 lines
410 B
Plaintext
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grammar Arit;
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// MIF08@Lyon1 and CAP@ENSL, arit evaluator
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@header {
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# header - mettre les déclarations globales
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import sys
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idTab = {};
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class UnknownIdentifier(Exception):
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pass
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class DivByZero(Exception):
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pass
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}
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prog: ID {print("prog = "+str($ID.text));} ;
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COMMENT
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: '//' ~[\r\n]* -> skip
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;
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ID : ('a'..'z'|'A'..'Z')+;
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INT: '0'..'9'+;
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WS : [ \t\r\n]+ -> skip ; // skip spaces, tabs, newlines
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