[vala/0.46] girparser: Detect and replace "-" in parameter names

[Rico Tzschichholz <ricotz src gnome org>]

commit 567a14f3ace583b374c6463be98f9a7a1d8e5525
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Oct 22 18:42:16 2019 +0200

    girparser: Detect and replace "-" in parameter names
    
    ... to avoid generating bindings with invalid syntax.

 vala/valagirparser.vala | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index 259bf3d6c..bc2d5d7c3 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -2483,6 +2483,9 @@ public class Vala.GirParser : CodeVisitor {
                }
                if (name == null) {
                        name = default_name;
+               } else if (name.contains ("-")) {
+                       Report.warning (get_current_src (), "parameter name contains hyphen");
+                       name = name.replace ("-", "_");
                }
                string direction = null;
                if (metadata.has_argument (ArgumentType.OUT)) {