net.sourceforge.phpeclipse.debug.core/src/net/sourceforge/phpdt/internal/debug/core/model/PHPStackFrame.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.phpdt.internal.debug.core.PHPDBGProxy;
  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.IDebugTarget;
  21 import org.eclipse.debug.core.model.IRegisterGroup;
  22 import org.eclipse.debug.core.model.IStackFrame;
  23 import org.eclipse.debug.core.model.IThread;
  24 import org.eclipse.debug.core.model.IVariable;
  25
  26 public class PHPStackFrame extends PHPDebugElement implements IStackFrame {
  27
  28         private PHPThread thread;
  29         private String file;
  30         private int lineNumber;
  31         private int index;
  32         private int modno;
  33         private PHPVariable[] variables;
  34         private String description;
  35
  36         public PHPStackFrame(PHPThread thread, String file, int line, int index, String desc, int modno) {
  37                 super (null);
  38                 this.lineNumber = line;
  39                 this.index = index;
  40                 this.file = file;
  41                 this.thread = thread;
  42                 this.description = desc;
  43                 this.modno = modno;
  44         }
  45
  46         public PHPStackFrame(PHPThread thread, String file, int line, int index) {
  47                 super (null);
  48                 this.lineNumber = line;
  49                 this.index = index;
  50                 this.file = file;
  51                 this.thread = thread;
  52         }
  53
  54         public IThread getThread() {
  55                 return thread;
  56         }
  57
  58         public void setThread(PHPThread thread) {
  59                 this.thread = thread;
  60         }
  61
  62         public IVariable[] getVariables() throws DebugException {
  63                 if (variables == null) {
  64                         variables = this.getPHPDBGProxy().readVariables(this);
  65                 }
  66                 return variables;
  67         }
  68
  69         public IVariable findVariable(String s) throws DebugException {
  70                 if (this.hasVariables()) {
  71                         String name="$"+s;
  72                         for(int i= 0; i < variables.length; i++) {
  73                                 String n= variables[i].getName();
  74                                 if((variables[i].getName()).equals(name))
  75                                         return variables[i];
  76                         }
  77                 }
  78                 return null;
  79         }
  80
  81         public boolean hasVariables() throws DebugException {
  82                 if (variables == null) {
  83                         return false;
  84                 }
  85                 return variables.length > 0;
  86         }
  87
  88         public int getLineNumber() {
  89                 return lineNumber;
  90         }
  91
  92         public int getCharStart() throws DebugException {
  93                 // not supported
  94                 return -1;
  95         }
  96
  97         public int getCharEnd() throws DebugException {
  98                 // not supported
  99                 return -1;
 100         }
 101
 102         public String getName() {
 103                 if(!this.getDescription().equals(""))
 104                         return this.getDescription() + " [line: " + this.getLineNumber() + "]";
 105                 else
 106                         return this.getFileName() + " [line: " + this.getLineNumber() + "]";
 107         }
 108
 109         public String getFileName() {
 110                 return file;
 111         }
 112
 113         public void setDescription(String desc) {
 114                 this.description= desc;
 115         }
 116
 117         public String getDescription() {
 118                 return this.description;
 119         }
 120
 121         public IRegisterGroup[] getRegisterGroups() throws DebugException {
 122                 return null;
 123         }
 124
 125         public boolean hasRegisterGroups() throws DebugException {
 126                 return false;
 127         }
 128
 129         public String getModelIdentifier() {
 130                 return this.getThread().getModelIdentifier();
 131         }
 132
 133         public IDebugTarget getDebugTarget() {
 134                 return this.getThread().getDebugTarget();
 135         }
 136
 137         public ILaunch getLaunch() {
 138                 return this.getDebugTarget().getLaunch();
 139         }
 140
 141         public boolean canStepInto() {
 142                 return canResume();
 143         }
 144
 145         public boolean canStepOver() {
 146                 return canResume();
 147         }
 148
 149         public boolean canStepReturn() {
 150                 return canResume();
 151         }
 152
 153         public boolean isStepping() {
 154                 return false;
 155         }
 156
 157         public void stepInto() throws DebugException {
 158                 thread.prepareForResume() ;
 159                 this.getPHPDBGProxy().readStepIntoEnd(PHPStackFrame.this) ;
 160                 DebugEvent ev = new DebugEvent(this.getThread(), DebugEvent.RESUME, DebugEvent.STEP_INTO);
 161                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 162         }
 163
 164         public void stepOver() throws DebugException {
 165                 thread.prepareForResume() ;
 166                 this.getPHPDBGProxy().readStepOverEnd(PHPStackFrame.this) ;
 167                 DebugEvent ev = new DebugEvent(this.getThread(), DebugEvent.RESUME, DebugEvent.STEP_OVER);
 168                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 169         }
 170
 171         public void stepReturn() throws DebugException {
 172                 thread.prepareForResume() ;
 173                 this.getPHPDBGProxy().readStepReturnEnd(PHPStackFrame.this) ;
 174                 DebugEvent ev = new DebugEvent(this.getThread(), DebugEvent.RESUME, DebugEvent.STEP_RETURN);
 175                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 176         }
 177
 178
 179         public boolean canResume() {
 180                 return this.getThread().canResume();
 181         }
 182
 183         public boolean canSuspend() {
 184                 return this.getThread().canSuspend();
 185         }
 186
 187         public boolean isSuspended() {
 188                 return this.getThread().isSuspended();
 189         }
 190
 191         public void resume() throws DebugException {
 192                 this.getThread().resume();
 193         }
 194
 195         public void suspend() throws DebugException {
 196         }
 197
 198         public boolean canTerminate() {
 199                 return this.getThread().canTerminate();
 200         }
 201
 202         public boolean isTerminated() {
 203                 return this.getThread().isTerminated();
 204         }
 205
 206         public void terminate() throws DebugException {
 207                 getPHPDBGProxy().stop();
 208         }
 209
 210         public int getIndex() {
 211                 return index;
 212         }
 213
 214         public PHPDBGProxy getPHPDBGProxy() {
 215                 PHPDebugTarget DebugTarget;
 216                 DebugTarget= (PHPDebugTarget)thread.getDebugTarget();
 217                 return DebugTarget.getPHPDBGProxy();
 218         }
 219
 220         public void setFile(String file) {
 221                 this.file = file;
 222         }
 223
 224         public int getModNo() {
 225                 return modno;
 226         }
 227 }