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PLUSNode.java
Package: antlr-2_7_0.zip [view]
Upload User: afrynkmhm
Upload Date: 2007-01-06
Package Size: 1262k
Code Size: 1k
Category:
Compiler program
Development Platform:
Others
- import antlr.BaseAST;
- import antlr.Token;
- import antlr.collections.AST;
- import java.io.*;
- /** A simple node to represent PLUS operation */
- public class PLUSNode extends BinaryOperatorAST {
- public PLUSNode(Token tok) {
- }
- /** Compute value of subtree; this is heterogeneous part :) */
- public int value() {
- return left().value() + right().value();
- }
- public String toString() {
- return " +";
- }
- public void xmlSerializeRootOpen(Writer out) throws IOException {
- out.write("<PLUS>");
- }
- public void xmlSerializeRootClose(Writer out) throws IOException {
- out.write("</PLUS>");
- }
- // satisfy abstract methods from BaseAST
- public void initialize(int t, String txt) {
- }
- public void initialize(AST t) {
- }
- public void initialize(Token tok) {
- }
- }