llvmorg-github-actions[bot] wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-lldb

Author: Nerixyz (Nerixyz)

<details>
<summary>Changes</summary>

If a type is declared as a `class` or a `struct` is part of the mangled name in 
the Microsoft ABI. This is also reflected in the demangled name. There, it 
shows up before the qualified name. For example, you could have `class 
ns1::ns2::MyClass`. It will show up like this in return types and 
function/template arguments. 

This adds a check in `CPlusPlusNameParser::ParseFullNameImpl` for these cases.

---
Full diff: https://github.com/llvm/llvm-project/pull/196525.diff


2 Files Affected:

- (modified) lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp 
(+14) 
- (modified) lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp (+11) 


``````````diff
diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp 
b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
index 4d283bb02e533..8eb536057a9d5 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusNameParser.cpp
@@ -700,6 +700,20 @@ CPlusPlusNameParser::ParseFullNameImpl() {
         continue_parsing = false;
       }
       break;
+    case tok::kw_class:
+    case tok::kw_struct: // Microsoft: class Foo::Bar
+      if (state != State::Beginning) {
+        continue_parsing = false;
+        break;
+      }
+      Advance();
+      if (ConsumeToken(tok::raw_identifier)) {
+        state = State::AfterIdentifier;
+      } else {
+        TakeBack();
+        continue_parsing = false;
+      }
+      break;
     default:
       continue_parsing = false;
       break;
diff --git a/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp 
b/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
index 41df35f67a790..49f598025f577 100644
--- a/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
+++ b/lldb/unittests/Language/CPlusPlus/CPlusPlusLanguageTest.cpp
@@ -34,6 +34,11 @@ TEST(CPlusPlusLanguage, MethodNameParsing) {
        "foo::bar"},
       {"int foo::bar::func01(int a, double b)", "int", "foo::bar", "func01",
        "(int a, double b)", "", "foo::bar::func01"},
+      {"foo(struct AStruct)", "", "", "foo", "(struct AStruct)", "", "foo"},
+      {"struct AStruct a::b::c(class AClass)", "struct AStruct", "a::b", "c",
+       "(class AClass)", "", "a::b::c"},
+      {"struct ns::AStruct const & A::f(void) const",
+       "struct ns::AStruct const &", "A", "f", "(void)", "const", "A::f"},
 
       // Operators
       {"std::basic_ostream<char, std::char_traits<char> >& "
@@ -147,6 +152,12 @@ TEST(CPlusPlusLanguage, MethodNameParsing) {
       {"void foo<Bar[10]>()", "void", "", "foo<Bar[10]>", "()", "",
        "foo<Bar[10]>"},
       {"void foo<Bar[]>()", "void", "", "foo<Bar[]>", "()", "", "foo<Bar[]>"},
+      {"class std::_Func_base<bool, int> * std::_Func_class<bool, "
+       "int>::_Getimpl(void) const",
+       "class std::_Func_base<bool, int> *", "std::_Func_class<bool, int>",
+       "_Getimpl", "(void)", "const", "std::_Func_class<bool, int>::_Getimpl"},
+      {"struct AStruct foo<struct AStruct>(void)", "struct AStruct", "",
+       "foo<struct AStruct>", "(void)", "", "foo<struct AStruct>"},
 
       // auto return type
       {"auto std::test_return_auto<int>() const", "auto", "std",

``````````

</details>


https://github.com/llvm/llvm-project/pull/196525
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