[lldb] Add UTF-8 Basic Type on Clang TypeSystem

[ljmf00]

Summary

UTF-8 mapping from Clang to LLDB basic type was missing. This patch adds that to be consistent with UTF-16 and UTF-32 basic types.

lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp

TypeSystemClang::GetOpaqueCompilerType(clang::ASTContext *ast,
   case eBasicTypeUnsignedChar:
     return ast->UnsignedCharTy.getAsOpaquePtr();
   case eBasicTypeWChar:
     return ast->getWCharType().getAsOpaquePtr();
   case eBasicTypeSignedWChar:
     return ast->getSignedWCharType().getAsOpaquePtr();
   case eBasicTypeUnsignedWChar:
     return ast->getUnsignedWCharType().getAsOpaquePtr();
+  case eBasicTypeChar8:
+    return ast->Char8Ty.getAsOpaquePtr();
   case eBasicTypeChar16:
     return ast->Char16Ty.getAsOpaquePtr();
   case eBasicTypeChar32:
     return ast->Char32Ty.getAsOpaquePtr();
   case eBasicTypeShort:
     return ast->ShortTy.getAsOpaquePtr();
   case eBasicTypeUnsignedShort:
     return ast->UnsignedShortTy.getAsOpaquePtr();
if (type_class == clang::Type::Builtin) {
       case clang::BuiltinType::Void:
         return eBasicTypeVoid;
       case clang::BuiltinType::Bool:
         return eBasicTypeBool;
       case clang::BuiltinType::Char_S:
         return eBasicTypeSignedChar;
       case clang::BuiltinType::Char_U:
         return eBasicTypeUnsignedChar;
+      case clang::BuiltinType::Char8:
+        return eBasicTypeChar8;
       case clang::BuiltinType::Char16:
         return eBasicTypeChar16;
       case clang::BuiltinType::Char32:
         return eBasicTypeChar32;
       case clang::BuiltinType::UChar:
         return eBasicTypeUnsignedChar;
       case clang::BuiltinType::SChar:
         return eBasicTypeSignedChar;

lldb/unittests/Symbol/TestTypeSystemClang.cpp

 
 TEST_F(TestTypeSystemClang, TestGetBasicTypeFromEnum) {
   clang::ASTContext &context = m_ast->getASTContext();
 
   EXPECT_TRUE(
       context.hasSameType(GetBasicQualType(eBasicTypeBool), context.BoolTy));
   EXPECT_TRUE(
       context.hasSameType(GetBasicQualType(eBasicTypeChar), context.CharTy));
+  EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeChar8),
+                                  context.Char8Ty));
   EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeChar16),
                                   context.Char16Ty));
   EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeChar32),
                                   context.Char32Ty));
   EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeDouble),
                                   context.DoubleTy));
   EXPECT_TRUE(context.hasSameType(GetBasicQualType(eBasicTypeDoubleComplex),
                                   context.getComplexType(context.DoubleTy)));