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 public class PHPWatchExpressionDelegate implements IWatchExpressionDelegate {
  14
  15        public void evaluateExpression(String expression, IDebugElement context,
  16                        IWatchExpressionListener listener) {
  17                IWatchExpressionResult x;
  18                PHPDBGProxy dbg=((PHPDebugTarget)context.getDebugTarget()).getPHPDBGProxy();
  19                PHPStackFrame s=null;
  20                if(context instanceof PHPStackFrame)
  21                        s=(PHPStackFrame)context;
  22                try{
  23                PHPVariable result[]=dbg.eval(s,expression);
  24                if(result.length==0)
  25                        x=new PHPWatchExpressionResult(expression,null,null);
  26                else
  27                        x=new PHPWatchExpressionResult(expression,result[0].getValue(),null);
  28                }
  29                catch(Exception e)
  30                {
  31                        String[] s1=new String[1];
  32                        s1[0]=e.toString();
  33                x=new PHPWatchExpressionResult(expression,null,s1);
  34                }
  35                listener.watchEvaluationFinished(x);
  36        }
  37
  38 }