jace/src/main/java/jace/core/Debugger.java

74 lines
2.2 KiB
Java

/*
* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package jace.core;
import java.util.ArrayList;
import java.util.List;
/**
* A debugger has the ability to track a list of breakpoints and step a CPU one
* instruction at a time. This is a very generic abstraction used to describe
* the basic contract of what a debugger should do. EmulatorUILogic creates an
* anonymous subclass that hooks into the actual emulator.
* Created on April 16, 2007, 10:37 PM
*
* @author Administrator
*/
public abstract class Debugger {
public abstract void updateStatus();
private boolean active = false;
public boolean step = false;
public void setActive(boolean state) {
active = state;
}
public boolean isActive() {
return active;
}
private List<Integer> breakpoints = new ArrayList<Integer>();
public List<Integer> getBreakpoints() {
return breakpoints;
}
private boolean hasBreakpoints = false;
boolean hasBreakpoints() {
return hasBreakpoints;
}
public void updateBreakpoints() {
hasBreakpoints = false;
for (Integer i : breakpoints) {
if (i != null) {
hasBreakpoints = true;
}
}
}
boolean takeStep() {
if (step) {
step = false;
return true;
}
return false;
}
}