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 org.eclipse.debug.core.DebugEvent;
  15 import org.eclipse.debug.core.DebugException;
  16 import org.eclipse.debug.core.DebugPlugin;
  17 import org.eclipse.debug.core.ILaunch;
  18 import org.eclipse.debug.core.model.IDebugTarget;
  19 import org.eclipse.debug.core.model.IRegisterGroup;
  20 import org.eclipse.debug.core.model.IStackFrame;
  21 import org.eclipse.debug.core.model.IThread;
  22 import org.eclipse.debug.core.model.IVariable;
  23 import net.sourceforge.phpdt.internal.debug.core.PHPDBGProxy;
  24 import net.sourceforge.phpdt.internal.debug.core.model.PHPDebugTarget;
  25
  26 public class PHPStackFrame 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                 this.lineNumber = line;
  38                 this.index = index;
  39                 this.file = file;
  40                 this.thread = thread;
  41                 this.description = desc;
  42                 this.modno = modno;
  43         }
  44
  45         public PHPStackFrame(PHPThread thread, String file, int line, int index) {
  46                 this.lineNumber = line;
  47                 this.index = index;
  48                 this.file = file;
  49                 this.thread = thread;
  50         }
  51
  52         public IThread getThread() {
  53                 return thread;
  54         }
  55
  56         public void setThread(PHPThread thread) {
  57                 this.thread = thread;
  58         }
  59
  60         public IVariable[] getVariables() throws DebugException {
  61                 if (variables == null) {
  62                         variables = this.getPHPDBGProxy().readVariables(this);
  63                 }
  64                 return variables;
  65         }
  66
  67         public IVariable findVariable(String s) throws DebugException {
  68                 if (this.hasVariables()) {
  69                         String name="$"+s;
  70                         for(int i= 0; i < variables.length; i++) {
  71                                 String n= variables[i].getName();
  72                                 if((variables[i].getName()).equals(name))
  73                                         return variables[i];
  74                         }
  75                 }
  76                 return null;
  77         }
  78
  79         public boolean hasVariables() throws DebugException {
  80                 if (variables == null) {
  81                         return false;
  82                 }
  83                 return variables.length > 0;
  84         }
  85
  86         public int getLineNumber() {
  87                 return lineNumber;
  88         }
  89
  90         public int getCharStart() throws DebugException {
  91                 // not supported
  92                 return -1;
  93         }
  94
  95         public int getCharEnd() throws DebugException {
  96                 // not supported
  97                 return -1;
  98         }
  99
 100         public String getName() {
 101                 if(!this.getDescription().equals(""))
 102                         return this.getDescription() + " [line: " + this.getLineNumber() + "]";
 103                 else
 104                         return this.getFileName() + " [line: " + this.getLineNumber() + "]";
 105         }
 106
 107         public String getFileName() {
 108                 return file;
 109         }
 110
 111         public void setDescription(String desc) {
 112                 this.description= desc;
 113         }
 114
 115         public String getDescription() {
 116                 return this.description;
 117         }
 118
 119         public IRegisterGroup[] getRegisterGroups() throws DebugException {
 120                 return null;
 121         }
 122
 123         public boolean hasRegisterGroups() throws DebugException {
 124                 return false;
 125         }
 126
 127         public String getModelIdentifier() {
 128                 return this.getThread().getModelIdentifier();
 129         }
 130
 131         public IDebugTarget getDebugTarget() {
 132                 return this.getThread().getDebugTarget();
 133         }
 134
 135         public ILaunch getLaunch() {
 136                 return this.getDebugTarget().getLaunch();
 137         }
 138
 139         public boolean canStepInto() {
 140                 return canResume();
 141         }
 142
 143         public boolean canStepOver() {
 144                 return canResume();
 145         }
 146
 147         public boolean canStepReturn() {
 148                 return canResume();
 149         }
 150
 151         public boolean isStepping() {
 152                 return false;
 153         }
 154
 155         public void stepInto() throws DebugException {
 156                 thread.prepareForResume() ;
 157                 this.getPHPDBGProxy().readStepIntoEnd(PHPStackFrame.this) ;
 158                 DebugEvent ev = new DebugEvent(this.getThread(), DebugEvent.RESUME, DebugEvent.STEP_INTO);
 159                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 160         }
 161
 162         public void stepOver() throws DebugException {
 163                 thread.prepareForResume() ;
 164                 this.getPHPDBGProxy().readStepOverEnd(PHPStackFrame.this) ;
 165                 DebugEvent ev = new DebugEvent(this.getThread(), DebugEvent.RESUME, DebugEvent.STEP_OVER);
 166                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 167         }
 168
 169         public void stepReturn() throws DebugException {
 170                 thread.prepareForResume() ;
 171                 this.getPHPDBGProxy().readStepReturnEnd(PHPStackFrame.this) ;
 172                 DebugEvent ev = new DebugEvent(this.getThread(), DebugEvent.RESUME, DebugEvent.STEP_RETURN);
 173                 DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { ev });
 174         }
 175
 176
 177         public boolean canResume() {
 178                 return this.getThread().canResume();
 179         }
 180
 181         public boolean canSuspend() {
 182                 return this.getThread().canSuspend();
 183         }
 184
 185         public boolean isSuspended() {
 186                 return this.getThread().isSuspended();
 187         }
 188
 189         public void resume() throws DebugException {
 190                 this.getThread().resume();
 191         }
 192
 193         public void suspend() throws DebugException {
 194         }
 195
 196         public boolean canTerminate() {
 197                 return this.getThread().canTerminate();
 198         }
 199
 200         public boolean isTerminated() {
 201                 return this.getThread().isTerminated();
 202         }
 203
 204         public void terminate() throws DebugException {
 205                 getPHPDBGProxy().stop();
 206         }
 207
 208         public Object getAdapter(Class arg0) {
 209                 if (arg0==PHPStackFrame.class)
 210                         return this;
 211                 else
 212                         return null;
 213         }
 214
 215         public int getIndex() {
 216                 return index;
 217         }
 218
 219         public PHPDBGProxy getPHPDBGProxy() {
 220                 PHPDebugTarget DebugTarget;
 221                 DebugTarget= (PHPDebugTarget)thread.getDebugTarget();
 222                 return DebugTarget.getPHPDBGProxy();
 223         }
 224
 225         public void setFile(String file) {
 226                 this.file = file;
 227         }
 228
 229         public int getModNo() {
 230                 return modno;
 231         }
 232 }