net.sourceforge.phpeclipse.debug.core/src/net/sourceforge/phpdt/internal/debug/core/watch/PHPWatchExpressionDelegate.java

   1 package net.sourceforge.phpdt.internal.debug.core.watch;
   2
   3 import net.sourceforge.phpdt.internal.debug.core.PHPDBGProxy;
   4 import net.sourceforge.phpdt.internal.debug.core.model.PHPDebugTarget;
   5 import net.sourceforge.phpdt.internal.debug.core.model.PHPStackFrame;
   6 import net.sourceforge.phpdt.internal.debug.core.model.PHPVariable;
   7
   8 import org.eclipse.debug.core.model.IDebugElement;
   9 import org.eclipse.debug.core.model.IWatchExpressionDelegate;
  10 import org.eclipse.debug.core.model.IWatchExpressionListener;
  11 import org.eclipse.debug.core.model.IWatchExpressionResult;
  12
  13 /**
  14  *
  15  */
  16 public class PHPWatchExpressionDelegate implements IWatchExpressionDelegate {
  17
  18         public void evaluateExpression (String expression, IDebugElement context, IWatchExpressionListener listener) {
  19         IWatchExpressionResult  x;
  20                 PHPDBGProxy                     dbg;
  21                 PHPStackFrame                   s;
  22
  23                 dbg = ((PHPDebugTarget) context.getDebugTarget ()).getPHPDBGProxy ();
  24                 s   = null;
  25
  26                 if (context instanceof PHPStackFrame) {
  27                         s = (PHPStackFrame) context;
  28                 }
  29
  30                 try {
  31                         PHPVariable result[] = dbg.eval (s, expression);
  32
  33                         if (result.length == 0) {
  34                                 x = new PHPWatchExpressionResult (expression, null, null);
  35                         }
  36                         else {
  37                                 x = new PHPWatchExpressionResult (expression, result[0].getValue (), null);
  38                         }
  39                 }
  40                 catch (Exception e) {
  41                         String[] s1;
  42
  43                         s1    = new String[1];
  44                         s1[0] = e.toString ();
  45                         x     = new PHPWatchExpressionResult (expression, null, s1);
  46                 }
  47
  48                 listener.watchEvaluationFinished (x);
  49         }
  50 }