Fix a crash when querying TTD Calls with a start and end address

Author: xusheng6

core/adapters/dbgengttdadapter.cpp

@@ -1052,14 +1052,25 @@ bool DbgEngTTDAdapter::ParseTTDCallObjects(const std::string& expression, std::v
 	try
 	{
 		LogInfo("Parsing TTD call objects from expression: %s", expression.c_str());
-		
+
+		// Convert expression to wide string
+		std::wstring wExpression(expression.begin(), expression.end());
+
+		// Create context for evaluation
+		ComPtr<IDebugHostContext> hostContext;
+		if (FAILED(m_debugHost->GetCurrentContext(hostContext.GetAddressOf())))
+		{
+			LogError("Failed to get current debug host context");
+			return "";
+		}
+
 		// Execute the expression to get call objects
 		ComPtr<IModelObject> resultObject;
 		ComPtr<IKeyStore> metadataKeyStore;
 
 		HRESULT hr = m_hostEvaluator->EvaluateExtendedExpression(
-			nullptr,  // context
-			_bstr_t(expression.c_str()).GetBSTR(),
+			hostContext.Get(),
+			wExpression.c_str(),
 			nullptr,  // bindingContext
 			&resultObject,
 			&metadataKeyStore

ui/ttdcallswidget.cpp

@@ -90,10 +90,10 @@ void TTDCallsQueryWidget::setupUI()
 	auto addressLayout = new QHBoxLayout();
 	m_startAddressEdit = new QLineEdit();
 	m_startAddressEdit->setPlaceholderText("Start address (hex, optional)");
-	m_startAddressEdit->setEnabled(false); // Temporarily disabled due to crashes
+	m_startAddressEdit->setEnabled(true);
 	m_endAddressEdit = new QLineEdit();
 	m_endAddressEdit->setPlaceholderText("End address (hex, optional)");
-	m_endAddressEdit->setEnabled(false); // Temporarily disabled due to crashes
+	m_endAddressEdit->setEnabled(true);
 	addressLayout->addWidget(new QLabel("Return Address Range:"));
 	addressLayout->addWidget(m_startAddressEdit);
 	addressLayout->addWidget(new QLabel("to"));