/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.sun.max.ins.debug.vmlog;

import java.awt.*;

import com.sun.max.ins.gui.*;
import com.sun.max.ins.value.*;
import com.sun.max.ins.value.WordValueLabel.*;
import com.sun.max.unsafe.*;
import com.sun.max.vm.ext.jvmti.*;
import com.sun.max.vm.ext.jvmti.JVMTIEvents.*;
import com.sun.max.vm.log.VMLog.*;

/**
 * Custom argument rendering for the {@link JVMTIEvents} logger.
 * Since the logger uses the event ordinal as the operation, the normal
 * default argument decoding does not apply.
 *
 */
public class JVMTIEventsVMLogArgRenderer extends VMLogArgRenderer {

    private final PlainLabel DELIVERING;
    private final PlainLabel WRONG_PHASE;
    private final PlainLabel NO_INTEREST;

    public JVMTIEventsVMLogArgRenderer(VMLogView vmLogView) {
        super(vmLogView);
        DELIVERING = new PlainLabel(vmLogView.inspection(), "Delivering");
        WRONG_PHASE = new PlainLabel(vmLogView.inspection(), "Wrong Phase");
        NO_INTEREST = new PlainLabel(vmLogView.inspection(), "No Interest");
    }

    @Override
    protected Component getRenderer(int header, int argNum, long argValue) {
        if (argNum == 1) {
            switch ((int) argValue) {
                case JVMTIEventLogger.DELIVERED:
                    return DELIVERING;
                case JVMTIEventLogger.WRONG_PHASE:
                    return WRONG_PHASE;
                case JVMTIEventLogger.NO_INTEREST:
                    return NO_INTEREST;
                default:
                    return super.getRenderer(header, argNum, argValue);
            }
        } else if (argNum == 2) {
            return new WordValueLabel(vmLogView.inspection(), ValueMode.REFERENCE, Address.fromLong(argValue), vmLogView.getTable());
        }
        int op = Record.getOperation(header);
        switch (E.VALUES[op]) {
            case CLASS_PREPARE:
                return safeGetReferenceValueLabel(getTeleClassActor(argValue));
            case SINGLE_STEP:
            case BREAKPOINT:
                if (argNum == 3) {
                    // methodId
                    return safeGetReferenceValueLabel(getTeleClassMethodActor(argValue));
                } else if (argNum == 4) {
                    //location
                    return new PlainLabel(inspection(), Long.toString(argValue));
                }
                break;
            case COMPILED_METHOD_LOAD:
                if (argNum == 3) {
                    return safeGetReferenceValueLabel(getTeleClassMethodActor(argValue));
                }
            default:
        }
        return super.getRenderer(header, argNum, argValue);
    }

}