Herança de gramáticas
grammar ELang;
stat: (expr ';')* EOF;
expr: INT;
INT: [0-9]+;
WS: [ \r\t\n]+ -> skip;grammar MyELang;
import ELang;
expr: INT | ID;
ID: [a-z]+;grammar MyELang ;
stat : (expr ’;’ )+ EOF ;
expr : INT | ID ;
ID : [a-z]+ ;
INT : [0-9]+ ;
WS : [ \r\t\n]+ -> skip ;
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