net.sourceforge.phpeclipse.debug.core/src/net/sourceforge/phpdt/internal/debug/core/model/PHPThread.java

   1 /**********************************************************************
   2 Copyright (c) 2000, 2002 IBM Corp. and others.
   3 All rights reserved. This program and the accompanying materials
   4 are made available under the terms of the Common Public License v1.0
   5 which accompanies this distribution, and is available at
   6 http://www.eclipse.org/legal/cpl-v10.html
   7
   8 Contributors:
   9     IBM Corporation - Initial implementation
  10     Vicente Fernando - www.alfersoft.com.ar
  11 **********************************************************************/
  12 package net.sourceforge.phpdt.internal.debug.core.model;
  13
  14 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  15
  16 import org.eclipse.debug.core.DebugEvent;
  17 import org.eclipse.debug.core.DebugException;
  18 import org.eclipse.debug.core.DebugPlugin;
  19 import org.eclipse.debug.core.ILaunch;
  20 import org.eclipse.debug.core.model.IBreakpoint;
  21 import org.eclipse.debug.core.model.IDebugTarget;
  22 import org.eclipse.debug.core.model.IStackFrame;
  23 import org.eclipse.debug.core.model.IThread;
  24 import org.eclipse.jface.resource.ImageDescriptor;
  25 import org.eclipse.ui.model.IWorkbenchAdapter;
  26
  27 public class PHPThread implements IThread {
  28
  29         private PHPStackFrame[] frames;
  30         private IDebugTarget target;
  31         private boolean isSuspended = false;
  32         private boolean isTerminated = false;
  33         private boolean isStepping = false;
  34         private String name ;
  35         private int id ;
  36
  37         public PHPThread(IDebugTarget target, int id) {
  38                 this.target = target;
  39                 this.setId(id) ;
  40                 this.createName() ;
  41         }
  42
  43         public IStackFrame[] getStackFrames() throws DebugException {
  44                 return frames;
  45         }
  46
  47         public int getStackFramesSize() {
  48                 return frames.length;
  49         }
  50
  51         public boolean hasStackFrames() {
  52                 if (frames == null) {
  53                         return false;
  54                 }
  55                 return frames.length > 0;
  56         }
  57
  58         public int getPriority() throws DebugException {
  59                 return 0;
  60         }
  61
  62         public IStackFrame getTopStackFrame() throws DebugException {
  63                 if (frames == null || frames.length == 0) {
  64                         return null;
  65                 }
  66                 return (IStackFrame) frames[0];
  67         }
  68
  69
  70         public IBreakpoint[] getBreakpoints() {
  71                 return null;
  72         }
  73
  74         public String getModelIdentifier() {
  75                 return this.getDebugTarget().getModelIdentifier();
  76         }
  77
  78         public IDebugTarget getDebugTarget() {
  79                 return target;
  80         }
  81
  82         public void setDebugTarget(IDebugTarget target) {
  83                 this.target= target;
  84         }
  85
  86         public ILaunch getLaunch() {
  87                 return this.getDebugTarget().getLaunch();
  88         }
  89
  90         public boolean canResume() {
  91                 return isSuspended;
  92         }
  93
  94         public boolean canSuspend() {
  95                 return !isSuspended;
  96         }
  97
  98         public boolean isSuspended() {
  99                 return isSuspended;
 100         }
 101
 102         protected void setSuspended(boolean isSuspended) {
 103                 this.isSuspended = isSuspended;
 104         }
 105
 106         protected void prepareForResume() {
 107                 isSuspended = false;
 108                 this.createName() ;
 109                 this.frames = null ;
 110                 DebugEvent ev = new DebugEvent(this, DebugEvent.RESUME, DebugEvent.CLIENT_REQUEST);
 111                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 112         }
 113
 114         public void resume() throws DebugException {
 115                 this.prepareForResume() ;
 116                 ((PHPDebugTarget) this.getDebugTarget()).getPHPDBGProxy().resume();
 117         }
 118
 119         /*
 120         public void doSuspend(SuspensionPoint suspensionPoint) {
 121 //              this.getPHPDebuggerProxy().readFrames(this);
 122                 this.createName(suspensionPoint) ;
 123                 this.suspend() ;
 124         }
 125         */
 126
 127         public void suspend()  {
 128                 isStepping = false;
 129                 isSuspended = true;
 130                 DebugEvent ev = new DebugEvent(this, DebugEvent.SUSPEND, DebugEvent.BREAKPOINT);
 131                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 132         }
 133
 134         public boolean canStepInto() {
 135                 return isSuspended && this.hasStackFrames();
 136         }
 137
 138         public boolean canStepOver() {
 139                 return isSuspended && this.hasStackFrames();
 140         }
 141
 142         public boolean canStepReturn() {
 143                 return false;
 144         }
 145
 146         public boolean isStepping() {
 147                 return isStepping;
 148         }
 149
 150         public void stepInto() throws DebugException {
 151                 isStepping = true ;
 152                 this.createName() ;
 153                 this.frames = null ;
 154                 frames[0].stepInto();
 155         }
 156
 157         public void stepOver() throws DebugException {
 158                 isStepping = true ;
 159                 this.createName() ;
 160                 this.frames = null ;
 161                 frames[0].stepOver() ;
 162         }
 163
 164         public void stepReturn() throws DebugException {
 165         }
 166
 167         public boolean canTerminate() {
 168                 return !isTerminated;
 169         }
 170
 171         public boolean isTerminated() {
 172                 return isTerminated;
 173         }
 174
 175         public void terminate() throws DebugException {
 176                 isTerminated = true;
 177                 this.frames = null;
 178                 getDebugTarget().terminate();
 179         }
 180
 181         public Object getAdapter(Class arg0) {
 182                 if (IWorkbenchAdapter.class.equals(arg0)) {
 183                         return new IWorkbenchAdapter() {
 184                                 public Object[] getChildren(Object o) {
 185                                         Object[] children = null;
 186                                         try {
 187                                                 IStackFrame[] frames = getStackFrames();
 188                                                 if (null != frames) {
 189                                                         children = new Object[frames.length];
 190                                                         for (int i = 0; i < frames.length; ++i)
 191                                                                 children[i] = frames[i];
 192                                                 }
 193                                         } catch (DebugException x) {
 194                                                 PHPeclipsePlugin.log("Unable to get stack frames.", x);
 195                                         }
 196                                         return children;
 197                                 }
 198                                 public ImageDescriptor getImageDescriptor(Object object) {
 199                                         return null;
 200                                 }
 201                                 public String getLabel(Object o) {
 202                                         throw new UnsupportedOperationException();
 203                                 }
 204                                 public Object getParent(Object o) {
 205                                         return getDebugTarget();
 206                                 }
 207                         };
 208                 }
 209                 return null;
 210         }
 211
 212         public void setStackFrames(PHPStackFrame[] frames) {
 213                 this.frames = frames;
 214         }
 215
 216         public String getName() {
 217                 return name;
 218         }
 219
 220         public void setName(String name) {
 221                 this.name = name;
 222         }
 223
 224         protected void createName() {
 225                 //this.createName(null) ;
 226         }
 227
 228         /*
 229         protected void createName(SuspensionPoint suspensionPoint) {
 230                 this.name = "PHP Thread - " + this.getId()  ;
 231                 if (suspensionPoint != null) {
 232                         this.name += " (" + suspensionPoint + ")" ;
 233                 }
 234         }
 235         */
 236
 237         public int getId() {
 238                 return id;
 239         }
 240
 241         public void setId(int id) {
 242                 this.id = id;
 243         }
 244
 245 }