Objective-C: Provide fixit with suggested spelling correction
for -Wundeclared-selector warnings. // rdar://14039037
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183331 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 23116d8..3b84ace 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -968,8 +968,18 @@
if (!Method)
Method = LookupFactoryMethodInGlobalPool(Sel,
SourceRange(LParenLoc, RParenLoc));
- if (!Method)
- Diag(SelLoc, diag::warn_undeclared_selector) << Sel;
+ if (!Method) {
+ if (const ObjCMethodDecl *OM = SelectorsForTypoCorrection(Sel)) {
+ Selector MatchedSel = OM->getSelector();
+ SourceRange SelectorRange(LParenLoc.getLocWithOffset(1),
+ RParenLoc.getLocWithOffset(-1));
+ Diag(SelLoc, diag::warn_undeclared_selector_with_typo)
+ << Sel << MatchedSel
+ << FixItHint::CreateReplacement(SelectorRange, MatchedSel.getAsString());
+
+ } else
+ Diag(SelLoc, diag::warn_undeclared_selector) << Sel;
+ }
if (!Method ||
Method->getImplementationControl() != ObjCMethodDecl::Optional) {