[vala/staging] girwriter: Infer gir_namespace/version from target GIR filename

[Rico Tzschichholz <ricotz src gnome org>]

commit 08561731e0677ad961ec4331ec4f22eb0d7842fd
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Apr 29 16:48:55 2019 +0200

    girwriter: Infer gir_namespace/version from target GIR filename
    
    See https://gitlab.gnome.org/GNOME/vala/issues/606

 codegen/valagirwriter.vala | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/codegen/valagirwriter.vala b/codegen/valagirwriter.vala
index eea87bc3e..14f0819a0 100644
--- a/codegen/valagirwriter.vala
+++ b/codegen/valagirwriter.vala
@@ -337,6 +337,16 @@ public class Vala.GIRWriter : CodeVisitor {
                        return;
                }
 
+               // Use given gir_namespace and gir_version for our top-level namespace
+               var old_gir_namespace = ns.get_attribute_string ("CCode", "gir_namespace");
+               var old_gir_version = ns.get_attribute_string ("CCode", "gir_version");
+               if ((old_gir_namespace != null && old_gir_namespace != gir_namespace)
+                   || (old_gir_version != null && old_gir_version != gir_version)) {
+                       Report.warning (ns.source_reference, "Replace conflicting CCode.gir_* attributes for 
namespace `%s'".printf (ns.name));
+               }
+               ns.set_attribute_string ("CCode", "gir_namespace", gir_namespace);
+               ns.set_attribute_string ("CCode", "gir_version", gir_version);
+
                write_c_includes (ns);
 
                write_indent ();