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   1 /*
   2  * Created on 23.11.2004
   3  *
   4  * TODO To change the template for this generated file go to
   5  * Window - Preferences - Java - Code Style - Code Templates
   6  */
   7 package net.sourceforge.phpeclipse.xdebug.php.model;
   8
   9 import java.net.MalformedURLException;
  10 import java.net.URL;
  11
  12 import org.eclipse.core.runtime.IPath;
  13 import org.eclipse.core.runtime.Path;
  14 import org.eclipse.debug.core.DebugException;
  15 import org.eclipse.debug.core.model.IRegisterGroup;
  16 import org.eclipse.debug.core.model.IStackFrame;
  17 import org.eclipse.debug.core.model.IThread;
  18 import org.eclipse.debug.core.model.IVariable;
  19 import org.w3c.dom.Node;
  20 import org.w3c.dom.NodeList;
  21
  22 /**
  23  * @author PHPeclipse team
  24  * @author Axel
  25  *
  26  */
  27 public class XDebugStackFrame  extends XDebugElement implements IStackFrame {
  28         private XDebugThread fThread;
  29
  30         private URL fName;
  31         private int fLineNumber;
  32         private int fLevel;
  33         private String fType;
  34         private String fWhere;
  35
  36         private IVariable[] fVariables;
  37
  38         private int fStepCount = 0;
  39
  40         /**
  41          * Constructs a stack frame in the given thread with the given
  42          * frame data.
  43          *
  44          * @param thread
  45          * @param data frame data
  46          * @param id stack frame id (0 is the bottom of the stack)
  47          */
  48         public XDebugStackFrame(XDebugThread thread, int level, String type, int lineNumber, String where, /*URL*/String filename) {
  49                 super(thread == null ? null : (XDebugTarget) thread.getDebugTarget());
  50
  51                 fLevel = level;
  52                 fThread = thread;
  53                 fType = type;
  54                 fLineNumber = lineNumber;
  55                 fWhere = where;
  56                 try {
  57                 fName = new URL(filename);
  58                 } catch (MalformedURLException e) {
  59                         e.printStackTrace();
  60                 }
  61         }
  62
  63         public void incrementStepCounter() {
  64                 fStepCount++;
  65         }
  66
  67         /* (non-Javadoc)
  68          * @see org.eclipse.debug.core.model.IStackFrame#getThread()
  69          */
  70         public IThread getThread() {
  71                 return fThread;
  72         }
  73
  74         public IVariable[] getVariables() throws DebugException {
  75                 if (fVariables == null) {
  76                         Node dfl = ((XDebugTarget) getDebugTarget()).getLocalVariables(fLevel);
  77                         Node dfg = ((XDebugTarget) getDebugTarget()).getGlobalVariables(fLevel);
  78                         parseVariable(dfl, dfg);
  79                 }
  80
  81                 return fVariables;
  82         }
  83
  84         private void parseVariable(Node localVariables, Node globalVariables) {
  85                 NodeList property = localVariables.getChildNodes();
  86
  87                 NodeList propertyGlobal = globalVariables.getChildNodes();
  88
  89                 fVariables = new IVariable[property.getLength() + propertyGlobal.getLength()];
  90
  91                 int length = property.getLength();
  92                 for (int i = 0; i < length; i++) {
  93                         XDebugVariable var = new XDebugVariable(this, property.item(i));
  94                         fVariables[i] = var;
  95                 }
  96
  97                 int globalLength = propertyGlobal.getLength();
  98                 for (int k = 0; k < globalLength; k++) {
  99                         XDebugVariable var = new XDebugVariable(this, propertyGlobal.item(k));
 100                         fVariables[k + length] = var;
 101                 }
 102         }
 103
 104         /*public void evaluateChange(IStackFrame OldStackFrame) throws DebugException {
 105                 IVariable[] OldVariable = ((XDebugStackFrame) OldStackFrame).getVariables();
 106                 for (int i = 0; i < fVariables.length; i++) {
 107                         ((XDebugVariable) fVariables[i]).setChange(OldVariable[i]);
 108                 }
 109         }*/
 110
 111         /* (non-Javadoc)
 112          * @see org.eclipse.debug.core.model.IStackFrame#hasVariables()
 113          */
 114         public boolean hasVariables() throws DebugException {
 115                 /*return fVariables.length > 0;*/
 116                 return true;
 117         }
 118
 119         /* (non-Javadoc)
 120          * @see org.eclipse.debug.core.model.IStackFrame#getLineNumber()
 121          */
 122         public int getLineNumber() throws DebugException {
 123                 return fLineNumber;
 124         }
 125
 126         /* (non-Javadoc)
 127          * @see org.eclipse.debug.core.model.IStackFrame#getCharStart()
 128          */
 129         public int getCharStart() throws DebugException {
 130                 return -1;
 131         }
 132
 133         /* (non-Javadoc)
 134          * @see org.eclipse.debug.core.model.IStackFrame#getCharEnd()
 135          */
 136         public int getCharEnd() throws DebugException {
 137                 return -1;
 138         }
 139
 140         /* (non-Javadoc)fName
 141          * @see org.eclipse.debug.core.model.IStackFrame#getName()
 142          */
 143         public String getName() throws DebugException {
 144                 return fName.toString()+"::"+fWhere+ " line: "+ fLineNumber;
 145         }
 146
 147         /* (non-Javadoc)
 148          * @see org.eclipse.debug.core.model.IStackFrame#getRegisterGroups()
 149          */
 150         public IRegisterGroup[] getRegisterGroups() throws DebugException {
 151                 return null;
 152         }
 153
 154         /* (non-Javadoc)
 155          * @see org.eclipse.debug.core.model.IStackFrame#hasRegisterGroups()
 156          */
 157         public boolean hasRegisterGroups() throws DebugException {
 158                 return false;
 159         }
 160
 161         /* (non-Javadoc)
 162          * @see org.eclipse.debug.core.model.IStep#canStepInto()
 163          */
 164         public boolean canStepInto() {
 165                 return fThread.canStepInto();
 166         }
 167
 168         /* (non-Javadoc)
 169          * @see org.eclipse.debug.core.model.IStep#canStepOver()
 170          */
 171         public boolean canStepOver() {
 172                 return fThread.canStepOver();
 173         }
 174
 175         /* (non-Javadoc)
 176          * @see org.eclipse.debug.core.model.IStep#canStepReturn()
 177          */
 178         public boolean canStepReturn() {
 179                 return fThread.canStepReturn();
 180         }
 181
 182         /* (non-Javadoc)
 183          * @see org.eclipse.debug.core.model.IStep#isStepping()
 184          */
 185         public boolean isStepping() {
 186                 return fThread.isStepping();
 187         }
 188
 189         /* (non-Javadoc)
 190          * @see org.eclipse.debug.core.model.IStep#stepInto()
 191          */
 192         public void stepInto() throws DebugException {
 193                 fThread.stepInto();
 194         }
 195
 196         /* (non-Javadoc)
 197          * @see org.eclipse.debug.core.model.IStep#stepOver()
 198          */
 199         public void stepOver() throws DebugException {
 200                 fThread.stepOver();
 201         }
 202
 203         /* (non-Javadoc)
 204          * @see org.eclipse.debug.core.model.IStep#stepReturn()
 205          */
 206         public void stepReturn() throws DebugException {
 207                 fThread.stepReturn();
 208         }
 209
 210         /* (non-Javadoc)
 211          * @see org.eclipse.debug.core.model.ISuspendResume#canResume()
 212          */
 213         public boolean canResume() {
 214                 return fThread.canResume();
 215         }
 216
 217         /* (non-Javadoc)
 218          * @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
 219          */
 220         public boolean canSuspend() {
 221                 return fThread.canSuspend();
 222         }
 223
 224         /* (non-Javadoc)
 225          * @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
 226          */
 227         public boolean isSuspended() {
 228                 return fThread.isSuspended();
 229         }
 230
 231         /* (non-Javadoc)
 232          * @see org.eclipse.debug.core.model.ISuspendResume#resume()
 233          */
 234         public void resume() throws DebugException {
 235                 fThread.resume();
 236         }
 237
 238         /* (non-Javadoc)
 239          * @see org.eclipse.debug.core.model.ISuspendResume#suspend()
 240          */
 241         public void suspend() throws DebugException {
 242                 fThread.suspend();
 243         }
 244
 245         /* (non-Javadoc)
 246          * @see org.eclipse.debug.core.model.ITerminate#canTerminate()
 247          */
 248         public boolean canTerminate() {
 249                 return fThread.canTerminate();
 250         }
 251
 252         /* (non-Javadoc)
 253          * @see org.eclipse.debug.core.model.ITerminate#isTerminated()
 254          */
 255         public boolean isTerminated() {
 256                 return fThread.isTerminated();
 257         }
 258
 259         /* (non-Javadoc)
 260          * @see org.eclipse.debug.core.model.ITerminate#terminate()
 261          */
 262         public void terminate() throws DebugException {
 263                 fThread.terminate();
 264         }
 265
 266         /**
 267          * Returns the name of the source file this stack frame is associated
 268          * with.
 269          *
 270          * @return the name of the source file this stack frame is associated
 271          * with. If the file associated with this frame does not exists, it returns null.
 272          */
 273         public String getSourceName() {
 274                 if (fName == null) {
 275                         return null;
 276                 }
 277                 IPath a = new Path(fName.getFile());
 278                 return a.lastSegment();
 279         }
 280
 281         public boolean isSameStackFrame(Object obj) {
 282                 boolean isSameStackFrame = false;
 283
 284                 if (obj instanceof XDebugStackFrame) {
 285                         XDebugStackFrame sf = (XDebugStackFrame)obj;
 286                         isSameStackFrame = sf.getSourceName().equals(getSourceName()) &&
 287                                 sf.getType().equals(getType()) &&
 288                                 sf.getWhere().equals(getWhere()); //&&
 289                 }
 290
 291                 return isSameStackFrame;
 292         }
 293
 294         /* (non-Javadoc)
 295          * @see java.lang.Object#equals(java.lang.Object)
 296          */
 297         public boolean equals(Object obj) {
 298                 if (obj instanceof XDebugStackFrame) {
 299                         XDebugStackFrame sf = (XDebugStackFrame)obj;
 300                         try {
 301                                 return sf.getSourceName().equals(fName) &&
 302                                         sf.getLineNumber() == fLineNumber &&
 303                                         sf.getLevel() == fLevel &&
 304                                         sf.getType().equals(fType) &&
 305                                         sf.getWhere().equals(fWhere);
 306                         } catch (DebugException e) {
 307                         }
 308                 }
 309
 310                 return false;
 311         }
 312
 313         /* (non-Javadoc)
 314          * @see java.lang.Object#hashCode()
 315          */
 316         public int hashCode() {
 317                 return getSourceName().hashCode() + fLevel;
 318         }
 319
 320         public URL getFullName() {
 321                 return fName;
 322         }
 323
 324         public int getLevel() {
 325                 return fLevel;
 326         }
 327
 328         public String getType() {
 329                 return fType;
 330         }
 331
 332         public String getWhere() {
 333                 return fWhere;
 334         }
 335
 336         public boolean setVariableValue(XDebugVariable variable, String expression)  throws DebugException {
 337                 return ((XDebugTarget) getDebugTarget()).setVarValue("$" + variable.getName(), expression);
 338         }
 339 }