[Lldb-commits] [lldb] [LLDB] Add unary plus and minus to DIL (PR #155617)

[Adrian Prantl via lldb-commits]

================
@@ -21,6 +21,104 @@
 
 namespace lldb_private::dil {
 
+static llvm::Expected<lldb::TypeSystemSP>
+GetTypeSystemFromCU(std::shared_ptr<ExecutionContextScope> ctx) {
+  auto stack_frame = ctx->CalculateStackFrame();
+  if (!stack_frame)
+    return llvm::createStringError("no stack frame in this context");
+  SymbolContext symbol_context =
+      stack_frame->GetSymbolContext(lldb::eSymbolContextCompUnit);
+  lldb::LanguageType language = symbol_context.comp_unit->GetLanguage();
+
+  symbol_context = stack_frame->GetSymbolContext(lldb::eSymbolContextModule);
+  return symbol_context.module_sp->GetTypeSystemForLanguage(language);
+}
+
+static CompilerType GetBasicType(lldb::TypeSystemSP type_system,
+                                 lldb::BasicType basic_type) {
+  if (type_system)
+    return type_system.get()->GetBasicTypeFromAST(basic_type);
+
+  return CompilerType();
+}
+
+static lldb::ValueObjectSP
+ArrayToPointerConversion(lldb::ValueObjectSP valobj,
+                         std::shared_ptr<ExecutionContextScope> ctx) {
+  assert(valobj->IsArrayType() &&
----------------
adrian-prantl wrote:

Yes, the correct thing to do would be to return a ValueObject wrapping an Error, although it might be even nicer to return an Expected<ValueObjectSP>. 

https://github.com/llvm/llvm-project/pull/155617