================
@@ -2376,6 +2381,33 @@ StmtResult Parser::ParseReturnStatement() {
return Actions.ActOnReturnStmt(ReturnLoc, R.get(), getCurScope());
}
+StmtResult Parser::ParseDeferStatement(SourceLocation *TrailingElseLoc) {
+ assert(Tok.is(tok::kw_defer));
+ SourceLocation DeferLoc = ConsumeToken();
+ Actions.ActOnStartOfDeferStmt(DeferLoc, getCurScope());
+ auto OnError = llvm::make_scope_exit(
+ [&] { Actions.ActOnDeferStmtError(getCurScope()); });
+
+ StmtResult Res = ParseStatement(TrailingElseLoc);
+ if (!Res.isUsable())
+ return StmtError();
+
+ // Diagnose this *after* parsing the body for better synchronisation.
+ if (getLangOpts().CPlusPlus) {
+ Diag(DeferLoc, diag::err_defer_unsupported);
+ return StmtError();
+ }
----------------
Sirraide wrote:
> Maybe the alternative is to not parse the driver option at all in c++ mode
> (`ShouldParseIf<!strconcat("!", cplusplus.KeyPath)>`)
I didn’t know that was a thing, but that looks like the proper way to do this.
https://github.com/llvm/llvm-project/pull/162848
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