scanner: Skip functions with leading '_'

Multiple modules have '_' prefixed symbols in "public" headers
meaning "don't use this in your app".

2 files changed, 5 insertions, 0 deletions

diff --git a/giscanner/transformer.py b/giscanner/transformer.py
index 328d29e8..1acc67ae 100644
--- a/giscanner/transformer.py
+++ b/giscanner/transformer.py
@@ -367,6 +367,9 @@ raise ValueError."""
         return node
 
     def _create_function(self, symbol):
+        # Drop functions that start with _ very early on here
+        if symbol.ident.startswith('_'):
+            return None
         parameters = list(self._create_parameters(symbol.base_type))
         return_ = self._create_return(symbol.base_type.base_type)
         try:
diff --git a/tests/scanner/regress.h b/tests/scanner/regress.h
index 98877580..5c392609 100644
--- a/tests/scanner/regress.h
+++ b/tests/scanner/regress.h
@@ -521,6 +521,8 @@ void regress_test_torture_signature_2 (int                  x,
 GValue *regress_test_date_in_gvalue (void);
 GValue *regress_test_strv_in_gvalue (void);
 
+GObject * _regress_this_is_a_private_symbol (void);
+
 /**
  * RegressSkippedStructure: (skip)
  *