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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 int fId;
  31
  32         private URL fName;
  33
  34         private int fLineNumber;
  35         private int fLevel;
  36         private String fType;
  37         private String fWhere;
  38
  39         private IVariable[] fVariables;
  40
  41         private int fStepCount = 0;
  42
  43         /**
  44          * Constructs a stack frame in the given thread with the given
  45          * frame data.
  46          *
  47          * @param thread
  48          * @param data frame data
  49          * @param id stack frame id (0 is the bottom of the stack)
  50          */
  51         public XDebugStackFrame(XDebugThread thread, int id, String type, int lineNumber, String where, /*URL*/String filename) {
  52                 super(thread == null ? null : (XDebugTarget) thread.getDebugTarget());
  53
  54                 fId = id;
  55                 fLevel = id;
  56                 fThread = thread;
  57                 fType = type;
  58                 fLineNumber = lineNumber;
  59                 fWhere = where;
  60
  61                 try {
  62                 fName = new URL(filename);
  63                 } catch (MalformedURLException e) {
  64                         e.printStackTrace();
  65                 }
  66         }
  67
  68         public void incrementStepCounter() {
  69                 fStepCount++;
  70         }
  71
  72         /* (non-Javadoc)
  73          * @see org.eclipse.debug.core.model.IStackFrame#getThread()
  74          */
  75         public IThread getThread() {
  76                 return fThread;
  77         }
  78
  79         public IVariable[] getVariables() throws DebugException {
  80                 if (fVariables == null) {
  81                         Node dfl = ((XDebugTarget) getDebugTarget()).getLocalVariables(fLevel);
  82                         Node dfg = ((XDebugTarget) getDebugTarget()).getGlobalVariables(fLevel);
  83                         parseVariable(dfl, dfg);
  84                 }
  85
  86                 return fVariables;
  87         }
  88
  89         private void parseVariable(Node localVariables, Node globalVariables) {
  90                 NodeList property = localVariables.getChildNodes();
  91
  92                 NodeList propertyGlobal = globalVariables.getChildNodes();
  93
  94                 fVariables = new IVariable[property.getLength() + propertyGlobal.getLength()];
  95
  96                 int length = property.getLength();
  97                 for (int i = 0; i < length; i++) {
  98                         XDebugVariable var = new XDebugVariable(this, property.item(i));
  99                         fVariables[i] = var;
 100                 }
 101
 102                 int globalLength = propertyGlobal.getLength();
 103                 for (int k = 0; k < globalLength; k++) {
 104                         XDebugVariable var = new XDebugVariable(this, propertyGlobal.item(k));
 105                         fVariables[k + length] = var;
 106                 }
 107         }
 108
 109         /*public void evaluateChange(IStackFrame OldStackFrame) throws DebugException {
 110                 IVariable[] OldVariable = ((XDebugStackFrame) OldStackFrame).getVariables();
 111                 for (int i = 0; i < fVariables.length; i++) {
 112                         ((XDebugVariable) fVariables[i]).setChange(OldVariable[i]);
 113                 }
 114         }*/
 115
 116         /* (non-Javadoc)
 117          * @see org.eclipse.debug.core.model.IStackFrame#hasVariables()
 118          */
 119         public boolean hasVariables() throws DebugException {
 120                 /*return fVariables.length > 0;*/
 121                 return true;
 122         }
 123
 124         /* (non-Javadoc)
 125          * @see org.eclipse.debug.core.model.IStackFrame#getLineNumber()
 126          */
 127         public int getLineNumber() throws DebugException {
 128                 return fLineNumber;
 129         }
 130
 131         /* (non-Javadoc)
 132          * @see org.eclipse.debug.core.model.IStackFrame#getCharStart()
 133          */
 134         public int getCharStart() throws DebugException {
 135                 return -1;
 136         }
 137
 138         /* (non-Javadoc)
 139          * @see org.eclipse.debug.core.model.IStackFrame#getCharEnd()
 140          */
 141         public int getCharEnd() throws DebugException {
 142                 return -1;
 143         }
 144
 145         /* (non-Javadoc)fName
 146          * @see org.eclipse.debug.core.model.IStackFrame#getName()
 147          */
 148         public String getName() throws DebugException {
 149                 return fName.toString()+"::"+fWhere+ " line: "+ fLineNumber;
 150         }
 151
 152         /* (non-Javadoc)
 153          * @see org.eclipse.debug.core.model.IStackFrame#getRegisterGroups()
 154          */
 155         public IRegisterGroup[] getRegisterGroups() throws DebugException {
 156                 return null;
 157         }
 158
 159         /* (non-Javadoc)
 160          * @see org.eclipse.debug.core.model.IStackFrame#hasRegisterGroups()
 161          */
 162         public boolean hasRegisterGroups() throws DebugException {
 163                 return false;
 164         }
 165
 166         /* (non-Javadoc)
 167          * @see org.eclipse.debug.core.model.IStep#canStepInto()
 168          */
 169         public boolean canStepInto() {
 170                 return fThread.canStepInto();
 171         }
 172
 173         /* (non-Javadoc)
 174          * @see org.eclipse.debug.core.model.IStep#canStepOver()
 175          */
 176         public boolean canStepOver() {
 177                 return fThread.canStepOver();
 178         }
 179
 180         /* (non-Javadoc)
 181          * @see org.eclipse.debug.core.model.IStep#canStepReturn()
 182          */
 183         public boolean canStepReturn() {
 184                 return fThread.canStepReturn();
 185         }
 186
 187         /* (non-Javadoc)
 188          * @see org.eclipse.debug.core.model.IStep#isStepping()
 189          */
 190         public boolean isStepping() {
 191                 return fThread.isStepping();
 192         }
 193
 194         /* (non-Javadoc)
 195          * @see org.eclipse.debug.core.model.IStep#stepInto()
 196          */
 197         public void stepInto() throws DebugException {
 198                 fThread.stepInto();
 199         }
 200
 201         /* (non-Javadoc)
 202          * @see org.eclipse.debug.core.model.IStep#stepOver()
 203          */
 204         public void stepOver() throws DebugException {
 205                 fThread.stepOver();
 206         }
 207
 208         /* (non-Javadoc)
 209          * @see org.eclipse.debug.core.model.IStep#stepReturn()
 210          */
 211         public void stepReturn() throws DebugException {
 212                 fThread.stepReturn();
 213         }
 214
 215         /* (non-Javadoc)
 216          * @see org.eclipse.debug.core.model.ISuspendResume#canResume()
 217          */
 218         public boolean canResume() {
 219                 return fThread.canResume();
 220         }
 221
 222         /* (non-Javadoc)
 223          * @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
 224          */
 225         public boolean canSuspend() {
 226                 return fThread.canSuspend();
 227         }
 228
 229         /* (non-Javadoc)
 230          * @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
 231          */
 232         public boolean isSuspended() {
 233                 return fThread.isSuspended();
 234         }
 235
 236         /* (non-Javadoc)
 237          * @see org.eclipse.debug.core.model.ISuspendResume#resume()
 238          */
 239         public void resume() throws DebugException {
 240                 fThread.resume();
 241         }
 242
 243         /* (non-Javadoc)
 244          * @see org.eclipse.debug.core.model.ISuspendResume#suspend()
 245          */
 246         public void suspend() throws DebugException {
 247                 fThread.suspend();
 248         }
 249
 250         /* (non-Javadoc)
 251          * @see org.eclipse.debug.core.model.ITerminate#canTerminate()
 252          */
 253         public boolean canTerminate() {
 254                 return fThread.canTerminate();
 255         }
 256
 257         /* (non-Javadoc)
 258          * @see org.eclipse.debug.core.model.ITerminate#isTerminated()
 259          */
 260         public boolean isTerminated() {
 261                 return fThread.isTerminated();
 262         }
 263
 264         /* (non-Javadoc)
 265          * @see org.eclipse.debug.core.model.ITerminate#terminate()
 266          */
 267         public void terminate() throws DebugException {
 268                 fThread.terminate();
 269         }
 270
 271         /**
 272          * Returns the name of the source file this stack frame is associated
 273          * with.
 274          *
 275          * @return the name of the source file this stack frame is associated
 276          * with. If the file associated with this frame does not exists, it returns null.
 277          */
 278         public String getSourceName() {
 279                 if (fName == null) {
 280                         return null;
 281                 }
 282                 IPath a = new Path(fName.getFile());
 283                 return a.lastSegment();
 284         }
 285
 286         public boolean isSameStackFrame(Object obj) {
 287                 boolean isSameStackFrame = false;
 288
 289                 if (obj instanceof XDebugStackFrame) {
 290                         XDebugStackFrame sf = (XDebugStackFrame)obj;
 291                         //try {
 292                                 isSameStackFrame = sf.getSourceName().equals(getSourceName()) &&
 293                                         /*sf.getLineNumber() == getLineNumber() &&*/
 294                                         /*sf.getLevel() == getLevel() &&*/
 295                                         sf.getType().equals(getType()) &&
 296                                         sf.getWhere().equals(getWhere()); //&&
 297                                         /*sf.fId == fId;*/
 298                         /*} catch (DebugException e) {
 299                         }*/
 300                 }
 301
 302                 return isSameStackFrame;
 303         }
 304
 305         /* (non-Javadoc)
 306          * @see java.lang.Object#equals(java.lang.Object)
 307          */
 308         public boolean equals(Object obj) {
 309                 if (obj instanceof XDebugStackFrame) {
 310                         XDebugStackFrame sf = (XDebugStackFrame)obj;
 311                         try {
 312                                 return sf.getSourceName().equals(getSourceName()) &&
 313                                         sf.getLineNumber() == getLineNumber() &&
 314                                         sf.getLevel() == getLevel() &&
 315                                         sf.getType().equals(getType()) &&
 316                                         sf.getWhere().equals(getWhere());
 317 /*                                      sf.getType() == getType() &&
 318                                         sf.getWhere() == getWhere() &&*/
 319                                         /*sf.fId == fId;*/
 320                         } catch (DebugException e) {
 321                         }
 322                 }
 323
 324                 return false;
 325         }
 326
 327         /* (non-Javadoc)
 328          * @see java.lang.Object#equals(java.lang.Object)
 329          */
 330         public boolean equalsOld(Object obj) {
 331                 if (obj instanceof XDebugStackFrame) {
 332                         XDebugStackFrame sf = (XDebugStackFrame)obj;
 333                         try {
 334                                 return sf.getSourceName().equals(getSourceName()) &&
 335                                         sf.getLineNumber() == getLineNumber() &&
 336                                         sf.fId == fId;
 337                         } catch (DebugException e) {
 338                         }
 339                 }
 340                 return false;
 341         }
 342
 343         /* (non-Javadoc)
 344          * @see java.lang.Object#hashCode()
 345          */
 346         public int hashCode() {
 347                 return getSourceName().hashCode() + fLevel;
 348         }
 349
 350         /**
 351          *
 352          * @return this stack frame's unique identifier within its thread
 353          */
 354         /*protected int getIdentifier() {
 355                 return fId;
 356         }*/
 357
 358         public URL getFullName() {
 359                 return fName;
 360         }
 361
 362
 363         public int getLevel() {
 364                 return fLevel;
 365         }
 366
 367         public String getType() {
 368                 return fType;
 369         }
 370
 371         public String getWhere() {
 372                 return fWhere;
 373         }
 374
 375         public boolean setVariableValue(XDebugVariable variable, String expression)  throws DebugException {
 376                 return ((XDebugTarget) getDebugTarget()).setVarValue("$" + variable.getName(), expression);
 377         }
 378 }