Include full filename range for missing includes

For the purpose of highlighting in an IDE.

llvm-svn: 285057

clang/lib/Lex/PPDirectives.cpp

@@ -1847,7 +1847,8 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
 
       // If the file is still not found, just go with the vanilla diagnostic
       if (!File)
-        Diag(FilenameTok, diag::err_pp_file_not_found) << Filename;
+        Diag(FilenameTok, diag::err_pp_file_not_found) << Filename
+                                                       << FilenameRange;
     }
   }
 

clang/test/Preprocessor/missing-include-range-check.h

@@ -0,0 +1,8 @@
+// RUN: env CINDEXTEST_KEEP_GOING=1 c-index-test -test-load-source all %s > /dev/null 2> %t.err
+// RUN: FileCheck < %t.err -check-prefix=CHECK-RANGE %s
+
+#include <foobar.h>
+#include "moozegnarf.h"
+
+// CHECK-RANGE: rewrite-includes-missing.c:4:10:{4:10-4:19}: fatal error: 'foobar.h' file not found
+// CHECK-RANGE: rewrite-includes-missing.c:5:10:{5:10-5:24}: fatal error: 'moozegnarf.h' file not found