vapigen: Support hidden attribute for signal parameters

diff --git a/vapigen/valagidlparser.vala b/vapigen/valagidlparser.vala
index b8dc293a844bbb16c651da6978698d863dc6cfb9..917c5aead8bfe5fc64289a9047cf11c9904f1789 100644 (file)
--- a/vapigen/valagidlparser.vala
+++ b/vapigen/valagidlparser.vala
@@ -2658,14 +2658,21 @@ public class Vala.GIdlParser : CodeVisitor {
                        var param_type = parse_param (param, out direction);
                        var p = new FormalParameter (param_node.name, param_type);
                        p.direction = direction;
-                       sig.add_parameter (p);
 
+                       bool hide_param = false;
+                       bool show_param = false;
                        attributes = get_attributes ("%s::%s.%s".printf (current_data_type.get_cname (), sig.name, param_node.name));
                        if (attributes != null) {
                                string ns_name = null;
                                foreach (string attr in attributes) {
                                        var nv = attr.split ("=", 2);
-                                       if (nv[0] == "is_array") {
+                                       if (nv[0] == "hidden") {
+                                               if (eval (nv[1]) == "1") {
+                                                       hide_param = true;
+                                               } else if (eval (nv[1]) == "0") {
+                                                       show_param = true;
+                                               }
+                                       } else if (nv[0] == "is_array") {
                                                if (eval (nv[1]) == "1") {
                                                        param_type = new ArrayType (param_type, 1, param_type.source_reference);
                                                        p.variable_type = param_type;
@@ -2706,6 +2713,10 @@ public class Vala.GIdlParser : CodeVisitor {
                                        ((UnresolvedType) param_type).unresolved_symbol.inner = new UnresolvedSymbol (null, ns_name);
                                }
                        }
+
+                       if (show_param || !hide_param) {
+                               sig.add_parameter (p);
+                       }
                }
                
                return sig;