ValueNodeManager: Add flag to control frame variables.

- We now take a flag which determines whether or not to add parameters
  and locals from the frame to the container.

src/apps/debugger/debug_managers/ValueNodeManager.cpp

@@ -17,12 +17,14 @@
 #include "VariableValueNodeChild.h"
 
 
-ValueNodeManager::ValueNodeManager()
+ValueNodeManager::ValueNodeManager(bool addFrameNodes)
 	:
+	fAddFrameNodes(addFrameNodes),
 	fContainer(NULL),
 	fStackFrame(NULL),
 	fThread(NULL)
 {
+	SetStackFrame(NULL, NULL);
 }
 
 
@@ -50,7 +52,6 @@ ValueNodeManager::SetStackFrame(Thread* thread,
 	fStackFrame = stackFrame;
 	fThread = thread;
 
-	if (fStackFrame != NULL) {
 	fContainer = new(std::nothrow) ValueNodeContainer;
 	if (fContainer == NULL)
 		return B_NO_MEMORY;
@@ -66,6 +67,7 @@ ValueNodeManager::SetStackFrame(Thread* thread,
 
 	fContainer->AddListener(this);
 
+	if (fStackFrame != NULL && fAddFrameNodes) {
 		for (int32 i = 0; Variable* variable = fStackFrame->ParameterAt(i);
 				i++) {
 			_AddNode(variable);

src/apps/debugger/debug_managers/ValueNodeManager.h

@@ -17,7 +17,7 @@ class Variable;
 class ValueNodeManager : public BReferenceable,
 	private ValueNodeContainer::Listener {
 public:
-								ValueNodeManager();
+								ValueNodeManager(bool addFrameNodes = true);
 	virtual						~ValueNodeManager();
 
 			status_t			SetStackFrame(Thread* thread,
@@ -45,6 +45,7 @@ private:
 			status_t			_CreateValueNode(ValueNodeChild* nodeChild);
 
 private:
+			bool				fAddFrameNodes;
 			ValueNodeContainer*	fContainer;
 			StackFrame*			fStackFrame;
 			Thread*				fThread;