Patch to parse @selector expressions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index 8555901..3c37962 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -1129,6 +1129,8 @@
return ParsePostfixExpressionSuffix(ParseObjCEncodeExpression());
case tok::objc_protocol:
return ParsePostfixExpressionSuffix(ParseObjCProtocolExpression());
+ case tok::objc_selector:
+ return ParsePostfixExpressionSuffix(ParseObjCSelectorExpression());
default:
Diag(AtLoc, diag::err_unexpected_at);
SkipUntil(tok::semi);
@@ -1304,3 +1306,43 @@
// FIXME
return 0;
}
+
+/// objc-selector-expression
+/// @selector '(' objc-keyword-selector ')'
+Parser::ExprResult Parser::ParseObjCSelectorExpression()
+{
+ SourceLocation SelectorLoc = ConsumeToken();
+
+ if (Tok.isNot(tok::l_paren)) {
+ Diag(Tok, diag::err_expected_lparen_after, "@selector");
+ return 0;
+ }
+
+ SourceLocation LParenLoc = ConsumeParen();
+ SourceLocation sLoc;
+ IdentifierInfo *SelIdent = ParseObjCSelector(sLoc);
+ if (!SelIdent && Tok.isNot(tok::colon)) {
+
+ Diag(Tok, diag::err_expected_ident); // missing selector name.
+ return 0;
+ }
+ if (Tok.isNot(tok::r_paren))
+ while (1) {
+ if (Tok.isNot(tok::colon)) {
+ Diag(Tok, diag::err_expected_colon);
+ break;
+ }
+ ConsumeToken(); // Eat the ':'.
+ if (Tok.is(tok::r_paren))
+ break;
+ // Check for another keyword selector.
+ SourceLocation Loc;
+ SelIdent = ParseObjCSelector(Loc);
+ if (!SelIdent && Tok.isNot(tok::colon))
+ break;
+ }
+ SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc);
+
+ // FIXME
+ return 0;
+}
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