From be63bbfd2401a72b66c190e012985397471af24d Mon Sep 17 00:00:00 2001 From: Douglas Gregor Date: Tue, 4 Jan 2011 18:56:13 +0000 Subject: Implement name mangling for sizeof...(pack), to silence the last of the switch-enum warnings. Test is forthcoming, once I've dealt with some template argument deduction issues. llvm-svn: 122820 --- clang/lib/CodeGen/Mangle.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'clang/lib/CodeGen') diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp index 834ef4e5693..0969b8716f6 100644 --- a/clang/lib/CodeGen/Mangle.cpp +++ b/clang/lib/CodeGen/Mangle.cpp @@ -2048,6 +2048,28 @@ void CXXNameMangler::mangleExpression(const Expr *E, unsigned Arity) { Out << "sp"; mangleExpression(cast(E)->getPattern()); break; + + case Expr::SizeOfPackExprClass: { + // FIXME: Variadic templates missing mangling for function parameter packs? + Out << "sZ"; + const NamedDecl *Pack = cast(E)->getPack(); + if (const TemplateTypeParmDecl *TTP = dyn_cast(Pack)) + mangleTemplateParameter(TTP->getIndex()); + else if (const NonTypeTemplateParmDecl *NTTP + = dyn_cast(Pack)) + mangleTemplateParameter(NTTP->getIndex()); + else if (const TemplateTemplateParmDecl *TempTP + = dyn_cast(Pack)) + mangleTemplateParameter(TempTP->getIndex()); + else { + // FIXME: This case isn't handled by the Itanium C++ ABI + Diagnostic &Diags = Context.getDiags(); + unsigned DiagID = Diags.getCustomDiagID(Diagnostic::Error, + "cannot mangle sizeof...(function parameter pack)"); + Diags.Report(DiagID); + return; + } + } } } -- cgit v1.2.3