[vala/staging: 3/3] signalmodule: Add signal-emitter declaration if needed

[Rico Tzschichholz <ricotz src gnome org>]

commit 05f5f5f9b411f4f07a6f692cb78e7a0bbd8c8292
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Mar 7 16:30:03 2017 +0100

    signalmodule: Add signal-emitter declaration if needed
    
    https://bugzilla.gnome.org/show_bug.cgi?id=779609

 codegen/valagsignalmodule.vala |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/codegen/valagsignalmodule.vala b/codegen/valagsignalmodule.vala
index 2a1afd0..6e87a42 100644
--- a/codegen/valagsignalmodule.vala
+++ b/codegen/valagsignalmodule.vala
@@ -544,7 +544,16 @@ public class Vala.GSignalModule : GObjectModule {
 
                                set_cvalue (expr, ccall);
                        } else if (get_signal_has_emitter (sig)) {
-                               var ccall = new CCodeFunctionCall (new CCodeIdentifier ("%s_%s".printf 
(get_ccode_lower_case_name (cl), sig.name)));
+                               string emitter_func;
+                               if (sig.emitter != null) {
+                                       if (!sig.external_package && expr.source_reference.file != 
sig.source_reference.file) {
+                                               generate_method_declaration (sig.emitter, cfile);
+                                       }
+                                       emitter_func = get_ccode_lower_case_name (sig.emitter);
+                               } else {
+                                       emitter_func = "%s_%s".printf (get_ccode_lower_case_name (cl), 
sig.name);
+                               }
+                               var ccall = new CCodeFunctionCall (new CCodeIdentifier (emitter_func));
 
                                ccall.add_argument (pub_inst);
                                set_cvalue (expr, ccall);