/*

 * Copyright 1998-2005 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

#ifndef JDWP_STEPCONTROL_H

#define JDWP_STEPCONTROL_H

#include "eventFilter.h"

#include "eventHandler.h"

typedef struct {

    /* Parameters */

    jint granularity;

    jint depth;

    /* State */

    jboolean pending;

    jboolean frameExited;    /* for depth == STEP_OVER or STEP_OUT */

    jboolean fromNative;

    jint fromStackDepth;     /* for all but STEP_INTO STEP_INSTRUCTION */

    jint fromLine;           /* for granularity == STEP_LINE */

    jmethodID method;   /* Where line table came from. */

    jvmtiLineNumberEntry *lineEntries;       /* STEP_LINE */

    jint lineEntryCount;     /* for granularity == STEP_LINE */

    HandlerNode *stepHandlerNode;

    HandlerNode *catchHandlerNode;

    HandlerNode *framePopHandlerNode;

    HandlerNode *methodEnterHandlerNode;

} StepRequest;

void stepControl_initialize(void);

void stepControl_reset(void);

jboolean stepControl_handleStep(JNIEnv *env, jthread thread,

                                jclass clazz, jmethodID method);

jvmtiError stepControl_beginStep(JNIEnv *env, jthread thread,

                                jint size, jint depth, HandlerNode *node);

jvmtiError stepControl_endStep(jthread thread);

void stepControl_clearRequest(jthread thread, StepRequest *step);

void stepControl_resetRequest(jthread thread);

void stepControl_lock(void);

void stepControl_unlock(void);

#endif