================
@@ -538,11 +564,222 @@ std::optional<InvalidName> checkName(const NamedDecl
&RenameDecl,
Conflict->getLocation().printToString(ASTCtx.getSourceManager())};
}
}
- if (Result)
+ if (Result) {
InvalidNameMetric.record(1, toString(Result->K));
+ return makeError(*Result);
+ }
+ return llvm::Error::success();
+}
+
+bool isSelectorLike(const syntax::Token &Cur, const syntax::Token &Next) {
+ return Cur.kind() == tok::identifier && Next.kind() == tok::colon &&
+ // We require the selector name and : to be contiguous.
+ // e.g. support `foo:` but not `foo :`.
+ Cur.endLocation() == Next.location();
+}
+
+bool isMatchingSelectorName(const syntax::Token &Cur, const syntax::Token
&Next,
+ const SourceManager &SM,
+ llvm::StringRef SelectorName) {
+ if (SelectorName.empty())
+ return Cur.kind() == tok::colon;
+ return isSelectorLike(Cur, Next) && Cur.text(SM) == SelectorName;
+}
+
+// Scan through Tokens to find ranges for each selector fragment in Sel at the
+// top level (not nested in any () or {} or []). The search will terminate upon
+// seeing Terminator or a ; at the top level.
+std::optional<SymbolRange>
+findAllSelectorPieces(llvm::ArrayRef<syntax::Token> Tokens,
+ const SourceManager &SM, Selector Sel,
+ tok::TokenKind Terminator) {
+
+ unsigned NumArgs = Sel.getNumArgs();
+ llvm::SmallVector<tok::TokenKind, 8> Closes;
+ std::vector<Range> SelectorPieces;
+ unsigned Last = Tokens.size() - 1;
+ for (unsigned Index = 0; Index < Last; ++Index) {
+ const auto &Tok = Tokens[Index];
+
+ if (Closes.empty()) {
+ auto PieceCount = SelectorPieces.size();
+ if (PieceCount < NumArgs &&
+ isMatchingSelectorName(Tok, Tokens[Index + 1], SM,
+ Sel.getNameForSlot(PieceCount))) {
+ // If 'foo:' instead of ':' (empty selector), we need to skip the ':'
----------------
kadircet wrote:
as discussed we aren't actually handling this case probably (we won't have a
token for an empty selector name).
can you just leave a comment explaining what & why it doesn't work (i don't
necessarily see it as a TODO, as utility/complexity ratio is pretty low)?
https://github.com/llvm/llvm-project/pull/76466
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