2011-06-29 09:51:39 +08:00
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grammar T;
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2012-04-27 02:59:57 +08:00
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@members {
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public static class LeafListener extends TBaseListener {
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public void exitCall(TParser.CallContext ctx) {
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System.out.printf("%s %s",ctx.e().start.getText(),
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ctx.eList());
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}
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public void exitInt(TParser.IntContext ctx) {
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System.out.println(ctx.INT().getSymbol().getText());
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}
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}
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}
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s
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@init {setBuildParseTree(true);}
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@after { System.out.println($r.ctx.toStringTree(this)); ParseTreeWalker walker = new ParseTreeWalker();
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walker.walk(new LeafListener(), $r.ctx);}
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: r=e ;
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e : e '(' eList ')' # Call
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| INT # Int
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;
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eList : e (',' e)* ;
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MULT: '*' ;
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ADD : '+' ;
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INT : [0-9]+ ;
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WS : [ \t\n]+ -> skip ;
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