FunctionSymbol.java

package test.antlr.assembler;
/***
 * Excerpted from "Language Implementation Patterns",
 * published by The Pragmatic Bookshelf.
 * Copyrights apply to this code. It may not be used to create training material, 
 * courses, books, articles, and the like. Contact us if you are in doubt.
 * We make no guarantees that this code is fit for any purpose. 
 * Visit http://www.pragmaticprogrammer.com/titles/tpdsl for more book information.
***/
public class FunctionSymbol {
    String name;
    int nargs; // how many arguments are there?
    int nlocals; // how many locals are there?
    int address;

    public FunctionSymbol(String name) { this.name = name; }    

    public FunctionSymbol(String name, int nargs, int nlocals, int address) {
        this.name = name;
        this.nargs = nargs;
        this.nlocals = nlocals;
        this.address = address;
    }

    @Override
    public int hashCode() { return name.hashCode(); }

    @Override
    public boolean equals(Object o) {
        return o instanceof FunctionSymbol && name.equals(((FunctionSymbol)o).name);
    }

    @Override
    public String toString() {
        return "FunctionSymbol{" +
               "name='" + name + '\'' +
               ", args=" + nargs +
               ", locals=" + nlocals +
               ", address=" + address +
               '}';
    }
}