Revert "✨ [Sema, Lex, Parse] Preprocessor embed in C and C++ (and Obj-C and Obj-C++ by-proxy)" (#95299)

Reverts llvm/llvm-project#68620

Introduce or expose a memory leak and UB, see llvm/llvm-project#68620

1 files changed, 0 insertions, 32 deletions

diff --git a/clang/lib/Parse/ParseInit.cpp b/clang/lib/Parse/ParseInit.cpp
index cd11f90..432ddc7 100644
--- a/clang/lib/Parse/ParseInit.cpp
+++ b/clang/lib/Parse/ParseInit.cpp
@@ -428,36 +428,6 @@ ExprResult Parser::ParseInitializerWithPotentialDesignator(
   return ExprError();
 }
 
-ExprResult Parser::createEmbedExpr() {
-  assert(Tok.getKind() == tok::annot_embed);
-  EmbedAnnotationData *Data =
-      reinterpret_cast<EmbedAnnotationData *>(Tok.getAnnotationValue());
-  ExprResult Res;
-  ASTContext &Context = Actions.getASTContext();
-  SourceLocation StartLoc = ConsumeAnnotationToken();
-  if (Data->BinaryData.size() == 1) {
-    Res = IntegerLiteral::Create(Context,
-                                 llvm::APInt(CHAR_BIT, Data->BinaryData.back()),
-                                 Context.UnsignedCharTy, StartLoc);
-  } else {
-    auto CreateStringLiteralFromStringRef = [&](StringRef Str, QualType Ty) {
-      llvm::APSInt ArraySize =
-          Context.MakeIntValue(Str.size(), Context.getSizeType());
-      QualType ArrayTy = Context.getConstantArrayType(
-          Ty, ArraySize, nullptr, ArraySizeModifier::Normal, 0);
-      return StringLiteral::Create(Context, Str, StringLiteralKind::Ordinary,
-                                   false, ArrayTy, StartLoc);
-    };
-
-    StringLiteral *FileNameArg =
-        CreateStringLiteralFromStringRef(Data->FileName, Context.CharTy);
-    StringLiteral *BinaryDataArg = CreateStringLiteralFromStringRef(
-        Data->BinaryData, Context.UnsignedCharTy);
-    Res = Actions.ActOnEmbedExpr(StartLoc, FileNameArg, BinaryDataArg);
-  }
-  return Res;
-}
-
 /// ParseBraceInitializer - Called when parsing an initializer that has a
 /// leading open brace.
 ///
@@ -531,8 +501,6 @@ ExprResult Parser::ParseBraceInitializer() {
     ExprResult SubElt;
     if (MayBeDesignationStart())
       SubElt = ParseInitializerWithPotentialDesignator(DesignatorCompletion);
-    else if (Tok.getKind() == tok::annot_embed)
-      SubElt = createEmbedExpr();
     else
       SubElt = ParseInitializer();