[vala/0.36] girwriter: Write length-parameters of arrays with rank > 1

[Rico Tzschichholz <ricotz src gnome org>]

commit ff1e4e05eeee20b4aa224e5f146562cafaac43d2
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed Jun 21 18:30:17 2017 +0200

    girwriter: Write length-parameters of arrays with rank > 1
    
    https://bugzilla.gnome.org/show_bug.cgi?id=758019

 codegen/valagirwriter.vala |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/codegen/valagirwriter.vala b/codegen/valagirwriter.vala
index c252b2d..60315d4 100644
--- a/codegen/valagirwriter.vala
+++ b/codegen/valagirwriter.vala
@@ -836,7 +836,9 @@ public class Vala.GIRWriter : CodeVisitor {
        private void write_implicit_params (DataType type, ref int index, bool has_array_length, string name, 
ParameterDirection direction) {
                if (type is ArrayType && has_array_length) {
                        var int_type = new IntegerType (CodeContext.get ().root.scope.lookup ("int") as 
Struct);
-                       write_param_or_return (int_type, true, ref index, has_array_length, 
"%s_length1".printf (name), null, direction);
+                       for (var i = 0; i < ((ArrayType) type).rank; i++) {
+                               write_param_or_return (int_type, true, ref index, has_array_length, 
"%s_length%i".printf (name, i + 1), null, direction);
+                       }
                } else if (type is DelegateType) {
                        var deleg_type = (DelegateType) type;
                        if (deleg_type.delegate_symbol.has_target) {
@@ -852,7 +854,7 @@ public class Vala.GIRWriter : CodeVisitor {
 
        void skip_implicit_params (DataType type, ref int index, bool has_array_length) {
                if (type is ArrayType && has_array_length) {
-                       index++;
+                       index += ((ArrayType) type).rank;
                } else if (type is DelegateType) {
                        index++;
                        var deleg_type = (DelegateType) type;
@@ -883,6 +885,9 @@ public class Vala.GIRWriter : CodeVisitor {
                                index++;
                        } else {
                                skip_implicit_params (return_type, ref index, return_array_length);
+                               if (return_type is ArrayType && return_array_length) {
+                                       index -= ((ArrayType) return_type).rank - 1;
+                               }
                        }
 
                        last_index = index - 1;