hr.fer.spocc.SymbolTableRow.java Source code

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Here is the source code for hr.fer.spocc.SymbolTableRow.java

Source

/*
 * SymbolTableRow.java
 *
 * Copyright (C) 2010 Leo Osvald <leo.osvald@gmail.com>
 *
 * This file is part of SPoCC.
 *
 * SPoCC is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SPoCC 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SPoCC. If not, see <http://www.gnu.org/licenses/>.
 */
package hr.fer.spocc;

import org.apache.commons.lang.builder.CompareToBuilder;

/**
 * Redak tablice leksickih jedinki.
 * Dva retka su jednaka ako su im imena (tipove) leksicke jedinke
 * jednaki i imaju isti leksem (izvorni tekst).
 * 
 * @author Leo Osvald
 *
 */
public class SymbolTableRow implements Comparable<SymbolTableRow> {

    private final TokenType tokenType;
    private final String lexeme;

    public SymbolTableRow(TokenType tokenType, String lexeme) {
        this.tokenType = tokenType;
        this.lexeme = lexeme;
    }

    public TokenType getTokenType() {
        return tokenType;
    }

    public String getLexeme() {
        return lexeme;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((lexeme == null) ? 0 : lexeme.hashCode());
        result = prime * result + ((tokenType == null) ? 0 : tokenType.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        SymbolTableRow other = (SymbolTableRow) obj;
        if (lexeme == null) {
            if (other.lexeme != null)
                return false;
        } else if (!lexeme.equals(other.lexeme))
            return false;
        if (tokenType == null) {
            if (other.tokenType != null)
                return false;
        } else if (!tokenType.equals(other.tokenType))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "SymbolTableRow [tokenType=" + tokenType + ", lexeme=" + lexeme + "]\n";
    }

    @Override
    public int compareTo(SymbolTableRow o) {
        return new CompareToBuilder().append(getTokenType(), o.getTokenType()).append(getLexeme(), o.getLexeme())
                .toComparison();
    }

}