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   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,
  19                         IWatchExpressionListener listener) {
  20                 IWatchExpressionResult x;
  21                 PHPDBGProxy dbg;
  22                 PHPStackFrame s;
  23
  24                 dbg = ((PHPDebugTarget) context.getDebugTarget()).getPHPDBGProxy();
  25                 s = null;
  26
  27                 if (context instanceof PHPStackFrame) {
  28                         s = (PHPStackFrame) context;
  29                 }
  30
  31                 try {
  32                         PHPVariable result[] = dbg.eval(s, expression);
  33
  34                         if (result.length == 0) {
  35                                 x = new PHPWatchExpressionResult(expression, null, null);
  36                         } else {
  37                                 x = new PHPWatchExpressionResult(expression, result[0]
  38                                                 .getValue(), null);
  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 }