com.github.uscexp.grappa.extension.parser.peg.AstCharRangeTreeNode Maven / Gradle / Ivy
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Extension for parboiled/grappa parser.
/*
* Copyright (C) 2014 by haui - all rights reserved
*/
package com.github.uscexp.grappa.extension.parser.peg;
import org.parboiled.Node;
/**
* Command implementation for the PegParser rule: charRange.
*/
public class AstCharRangeTreeNode extends AstPegBaseTreeNode {
public AstCharRangeTreeNode(Node node, String value) {
super(node, value);
}
@Override
protected void interpret(Long id)
throws ReflectiveOperationException {
super.interpret(id);
String rangeStart = (String) closeProcessStore.getStack().pop();
String rangeEnd = (String) closeProcessStore.getStack().peek();
if(rangeEnd.startsWith("ch('") && value.length() > 1) {
rangeStart = rangeStart.substring(3, rangeStart.length()-1);
rangeEnd = rangeEnd.substring(3, rangeEnd.length()-1);
closeProcessStore.getStack().pop();
closeProcessStore.getStack().push("charRange(" + rangeStart + ", " + rangeEnd + ")");
} else {
closeProcessStore.getStack().push(rangeStart);
}
}
}