[lldb] Store the dummy target in the selected exeuction context

Author: JDevlieghere

lldb/source/Core/Debugger.cpp

@@ -1221,8 +1221,8 @@ void Debugger::RedrawStatusline(bool update) {
 }
 
 ExecutionContext Debugger::GetSelectedExecutionContext() {
-  bool adopt_selected = true;
-  ExecutionContextRef exe_ctx_ref(GetSelectedTarget().get(), adopt_selected);
+  ExecutionContextRef exe_ctx_ref(&GetSelectedOrDummyTarget(),
+                                  /*adopt_selected=*/true);
   return ExecutionContext(exe_ctx_ref);
 }
 

lldb/source/Core/Statusline.cpp

@@ -134,11 +134,7 @@ void Statusline::Redraw(bool update) {
   }
 
   ExecutionContext exe_ctx = m_debugger.GetSelectedExecutionContext();
-
-  // For colors and progress events, the format entity needs access to the
-  // debugger, which requires a target in the execution context.
-  if (!exe_ctx.HasTargetScope())
-    exe_ctx.SetTargetPtr(&m_debugger.GetSelectedOrDummyTarget());
+  assert(exe_ctx.HasTargetScope() && "format entity needs a target");
 
   SymbolContext symbol_ctx;
   if (ProcessSP process_sp = exe_ctx.GetProcessSP()) {

lldb/source/Interpreter/CommandObject.cpp

@@ -147,7 +147,7 @@ bool CommandObject::CheckRequirements(CommandReturnObject &result) {
   // we don't want any CommandObject instances to keep any of these objects
   // around longer than for a single command. Every command should call
   // CommandObject::Cleanup() after it has completed.
-  assert(!m_exe_ctx.GetTargetPtr());
+  assert(!m_exe_ctx.GetTargetPtr() || m_exe_ctx.GetTargetRef().IsDummyTarget());
   assert(!m_exe_ctx.GetProcessPtr());
   assert(!m_exe_ctx.GetThreadPtr());
   assert(!m_exe_ctx.GetFramePtr());