/*
 * Javassist, a Java-bytecode translator toolkit.
 * Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License.  Alternatively, the contents of this file may be used under
 * the terms of the GNU Lesser General Public License Version 2.1 or later,
 * or the Apache License Version 2.0.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 */

package javassist.compiler;

import javassist.CannotCompileException;
import javassist.NotFoundException;

public class CompileError extends Exception {
    /** default serialVersionUID */
    private static final long serialVersionUID = 1L;
    private Lex lex;
    private String reason;

    private int lineNumber = -1;

    public CompileError(String s, Lex l) {
        this(s, l.getLineNumber());
        lex = l;
    }

    public CompileError(String s, int lineNumber) {
        this.lineNumber = lineNumber;
        reason = String.format("line %d: %s", lineNumber, s);
    }

    private CompileError(String s) {
        reason = s;
        lex = null;
    }

    public CompileError(CannotCompileException e) {
        this(e.getReason());
    }

    public CompileError(NotFoundException e) {
        this("cannot find " + e.getMessage());
    }

    public Lex getLex() { return lex; }

    public int getLineNumber() {
        return lineNumber;
    }

    @Override
    public String getMessage() {
        return reason;
    }

    @Override
    public String toString() {
        return "compile error: " + reason;
    }
}