Add an automated note to files produced by gen_ast_dump_json_test.py.

This also details what filters, if any, were used to generate the test output. Updates all the current JSON testing files to include the automated note.

llvm-svn: 364055

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/test/AST/gen_ast_dump_json_test.py b/clang/test/AST/gen_ast_dump_json_test.py
index a7b98776de9..975039ead27 100644
--- a/clang/test/AST/gen_ast_dump_json_test.py
+++ b/clang/test/AST/gen_ast_dump_json_test.py
@@ -78,6 +78,12 @@ def main():
     options = args.opts.split(' ')
     filters = Set(args.filters.split(',')) if args.filters else Set([])
     
+    note = "// NOTE: CHECK lines have been autogenerated by " \
+           "gen_ast_dump_json_test.py"
+           
+    if (args.filters):
+        note += "\n// using --filters=" + args.filters
+    
     cmd = [clang_binary, "-cc1"]
     cmd.extend(options)
 
@@ -118,6 +124,7 @@ def main():
     print("Writing json appended source file to %s." %(dest_path))
     copyfile(args.source, dest_path)    
     with open(dest_path, "a") as f:
+        f.write("\n" + note + "\n")        
         for out_ast in out_asts:
             append_str = json.dumps(out_ast, indent=1, ensure_ascii=False)
             out_str = '\n\n'