[llvm-branch-commits] [clang] [llvm] [HLSL] Allow resource annotations to specify only register space (PR #135287)

[Helena Kotas via llvm-branch-commits]

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@@ -163,11 +163,16 @@ void Parser::ParseHLSLAnnotations(ParsedAttributes &Attrs,
     SourceLocation SlotLoc = Tok.getLocation();
     ArgExprs.push_back(ParseIdentifierLoc());
 
-    // Add numeric_constant for fix-it.
-    if (SlotStr.size() == 1 && Tok.is(tok::numeric_constant))
+    if (SlotStr.size() == 1) {
+      if (!Tok.is(tok::numeric_constant)) {
+        Diag(Tok.getLocation(), diag::err_expected) << tok::numeric_constant;
+        SkipUntil(tok::r_paren, StopAtSemi); // skip through )
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hekota wrote:

It is for error state recovery. The SkipUntil call tells the parser to move forward until it finds a closing `)` or ';'. After the code returns the parser will resume parsing tokens of the next statement.

https://github.com/llvm/llvm-project/pull/135287