================
@@ -5311,6 +5313,90 @@ void
Parser::ParseMicrosoftUuidAttributeArgs(ParsedAttributes &Attrs) {
}
}
+void Parser::ParseMicrosoftRootSignatureAttributeArgs(ParsedAttributes &Attrs)
{
+ assert(Tok.is(tok::identifier) &&
+ "Expected an identifier to denote which MS attribute to consider");
+ IdentifierInfo *RootSignatureIdent = Tok.getIdentifierInfo();
+ assert(RootSignatureIdent->getName() == "RootSignature" &&
+ "Expected RootSignature identifier for root signature attribute");
+
+ 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;
+ }
+
+ auto ProcessStringLiteral = [this]() -> std::optional<StringLiteral *> {
+ if (!isTokenStringLiteral())
+ return std::nullopt;
+
+ ExprResult StringResult = ParseUnevaluatedStringLiteralExpression();
+ if (StringResult.isInvalid())
+ return std::nullopt;
+
+ if (auto Lit = dyn_cast<StringLiteral>(StringResult.get()))
+ return Lit;
+
+ return std::nullopt;
+ };
+
+ auto StrLiteral = ProcessStringLiteral();
+ if (!StrLiteral.has_value()) {
+ Diag(Tok, diag::err_expected_string_literal)
+ << /*in attributes...*/ 4 << RootSignatureIdent->getName();
+ SkipUntil(tok::r_paren, StopAtSemi | StopBeforeMatch);
+ T.consumeClose();
+ return;
+ }
+
+ // Construct our identifier
+ StringRef Signature = StrLiteral.value()->getString();
----------------
inbelic wrote:
I have created an issue to track this here:
https://github.com/llvm/llvm-project/issues/142834.
In the issue is the proposed solution and we can have the discussion there
about correctness.
https://github.com/llvm/llvm-project/pull/137690
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