Bug 30291 SearchUsagesInFileAction should show dialog in case of failures
Build I20030122 SearchUsagesInFileAction should show a dialog in failure/error cases (e.g. code resolve fails).
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/search/SearchUsagesInFileAction.java
match(name, fWriteUsages);				
			}
			return super.visit(node);
		}
		public boolean visit(PostfixExpression node) {
			Expression operand= node.getOperand();
			Name name= getName(operand);
			if (name != null) 
				match(name, fWriteUsages);
			return super.visit(node);
		}
		public List getUsages() {
			return fUsages;
		}
		
		public List getWriteUsages() {
			return fWriteUsages;
		}
		
		private void match(Name node, List result) {
			IBinding binding= node.resolveBinding();
			
			if (binding == null)
				return;
				
			if (binding.equals(fTarget)) {
				result.add(node);
				return;
			}