delay removing file scope

Sparse only returns the used symbol. By the time it return
the symbol, it already destroyed the file scope.

This patch preserve the file scope. The caller can
examine the unused symbols. e.g. If I want to generate
ctags base on sparse, it need those unused symbols.

Signed-off-by: Christopher Li <sparse@chrisli.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/scope.c b/scope.c
index 6b8b705b..3afab836 100644
--- a/scope.c
+++ b/scope.c
@@ -96,6 +96,13 @@ void end_file_scope(void)
 	end_scope(&file_scope);
 }
 
+void new_file_scope(void)
+{
+	if (file_scope != &builtin_scope)
+		end_file_scope();
+	start_file_scope();
+}
+
 void end_symbol_scope(void)
 {
 	end_scope(&block_scope);