A code modification hint for files that don't end in a newline.
Eventually, would be nice to be able to run these modifications even
when we don't want the warning or errors for the actual diagnostic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68272 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index a8a22eb..3a3e86a 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -1224,7 +1224,9 @@
// C99 5.1.1.2p2: If the file is non-empty and didn't end in a newline, issue
// a pedwarn.
if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r'))
- Diag(BufferEnd, diag::ext_no_newline_eof);
+ Diag(BufferEnd, diag::ext_no_newline_eof)
+ << CodeModificationHint::CreateInsertion(getSourceLocation(BufferEnd),
+ "\n");
BufferPtr = CurPtr;