ConstantNode.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package build.tools.jdwpgen;

import java.util.*;
import java.io.*;

class ConstantNode extends AbstractCommandNode {

    ConstantNode() {
        this(new ArrayList<Node>());
    }

    ConstantNode(List<Node> components) {
        this.kind = "Constant";
        this.components = components;
        this.lineno = 0;
    }

    void constrain(Context ctx) {
        if (components.size() != 0) {
            error("Constants have no internal structure");
        }
        super.constrain(ctx);
    }

    void genJava(PrintWriter writer, int depth) {
        indent(writer, depth);
        writer.println("static final int " + name + " = " +
                       nameNode.value() + ";");
    }

    void document(PrintWriter writer) {

        //Add anchor to each constant with format <constant table name>_<constant name>
        writer.println("<tr><td>" + name + "<td>" + nameNode.value() +
                       "<td>" + comment() + " &nbsp;");
    }

    public String getName(){

        if (name == null || name.length() == 0) {
            prune();
        }
        return name;
    }
}