1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Parse/ParseHLSL.cpp b/contrib/llvm-project/clang/lib/Parse/ParseHLSL.cpp
new file mode 100644
index 000000000000..ed1f81dc4ee8
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Parse/ParseHLSL.cpp
@@ -0,0 +1,42 @@
+//===--- ParseHLSL.cpp - HLSL-specific parsing support --------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the parsing logic for HLSL language features.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/AttributeCommonInfo.h"
+#include "clang/Parse/ParseDiagnostic.h"
+#include "clang/Parse/Parser.h"
+
+using namespace clang;
+
+void Parser::ParseHLSLSemantics(ParsedAttributes &Attrs,
+                                SourceLocation *EndLoc) {
+  assert(Tok.is(tok::colon) && "Not a HLSL Semantic");
+  ConsumeToken();
+
+  if (!Tok.is(tok::identifier)) {
+    Diag(Tok.getLocation(), diag::err_expected_semantic_identifier);
+    return;
+  }
+
+  IdentifierInfo *II = Tok.getIdentifierInfo();
+  SourceLocation Loc = ConsumeToken();
+  if (EndLoc)
+    *EndLoc = Tok.getLocation();
+  ParsedAttr::Kind AttrKind =
+      ParsedAttr::getParsedKind(II, nullptr, ParsedAttr::AS_HLSLSemantic);
+
+  if (AttrKind == ParsedAttr::UnknownAttribute) {
+    Diag(Loc, diag::err_unknown_hlsl_semantic) << II;
+    return;
+  }
+  Attrs.addNew(II, Loc, nullptr, SourceLocation(), nullptr, 0,
+               ParsedAttr::AS_HLSLSemantic);
+}