codegen: Emit external creation methods in bindings

These must be chained up to an existing constructor of the parent symbol

2 files changed, 13 insertions, 1 deletions

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 415522c42..cf12c4ecd 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -4905,6 +4905,18 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 
 			generate_method_declaration (m, cfile);
 
+			if (m is CreationMethod && !m.external && m.external_package) {
+				unowned CreationMethod cm = (CreationMethod) m;
+				if (!cm.chain_up) {
+					Report.error (cm.source_reference, "internal: Creation method implementation in binding must be chained up");
+				}
+				// internal VAPI creation methods
+				// only add them once per source file
+				if (add_generated_external_symbol (cm)) {
+					visit_creation_method (cm);
+				}
+			}
+
 			unowned Class? cl = expr.type_reference.type_symbol as Class;
 
 			if (!get_ccode_has_new_function (m)) {
diff --git a/codegen/valaccodemethodmodule.vala b/codegen/valaccodemethodmodule.vala
index df3b8b274..83a248e01 100644
--- a/codegen/valaccodemethodmodule.vala
+++ b/codegen/valaccodemethodmodule.vala
@@ -1232,7 +1232,7 @@ public abstract class Vala.CCodeMethodModule : CCodeStructModule {
 		visit_method (m);
 		ellipses_to_valist = false;
 
-		if (m.source_type == SourceFileType.FAST) {
+		if ((!m.external && m.external_package) || m.source_type == SourceFileType.FAST) {
 			pop_line ();
 			return;
 		}