================
@@ -5209,6 +5211,92 @@ void
Parser::ParseMicrosoftUuidAttributeArgs(ParsedAttributes &Attrs) {
}
}
+void Parser::ParseMicrosoftRootSignatureAttributeArgs(ParsedAttributes &Attrs)
{
+ assert(Tok.is(tok::identifier) && "Not a Microsoft attribute list");
+ IdentifierInfo *RootSignatureIdent = Tok.getIdentifierInfo();
+ assert(RootSignatureIdent->getName() == "RootSignature" &&
+ "Not a Microsoft attribute list");
+
+ SourceLocation RootSignatureLoc = Tok.getLocation();
+ ConsumeToken();
+
+ // Ignore the left paren location for now.
+ BalancedDelimiterTracker T(*this, tok::l_paren);
+ if (T.consumeOpen()) {
+ Diag(Tok, diag::err_expected) << tok::l_paren;
+ return;
+ }
+
+ if (!isTokenStringLiteral()) {
+ Diag(Tok, diag::err_expected_string_literal)
+ << /*in attributes...*/ 4 << RootSignatureIdent->getName();
+ SkipUntil(tok::r_square, StopAtSemi | StopBeforeMatch);
+ if (Tok.is(tok::r_paren))
+ T.consumeClose();
+ return;
+ }
+
+ ExprResult StringResult = ParseUnevaluatedStringLiteralExpression();
+ if (StringResult.isInvalid()) {
+ SkipUntil(tok::r_square, StopAtSemi | StopBeforeMatch);
+ if (Tok.is(tok::r_paren))
+ T.consumeClose();
+ return;
+ }
+
+ ArgsVector Args;
+ if (auto Lit = dyn_cast<StringLiteral>(StringResult.get())) {
----------------
bogner wrote:
What should happen if this *isn't* a StringLiteral? The code looks like it just
silently drops it if that happens currently
https://github.com/llvm/llvm-project/pull/137690
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