[vala/wip/transform: 721/793] Simplify some code

[Rico Tzschichholz <ricotz src gnome org>]

commit 82a672be94b1988797905fbdab7af6a828ba675c
Author: Luca Bruno <lucabru src gnome org>
Date:   Tue Jan 3 13:12:57 2012 +0100

    Simplify some code

 codegen/valagvarianttransformer.vala |   50 +++++++++++----------------------
 vala/valacodebuilder.vala            |    2 +-
 2 files changed, 18 insertions(+), 34 deletions(-)
---
diff --git a/codegen/valagvarianttransformer.vala b/codegen/valagvarianttransformer.vala
index d738ce7..7e5acb7 100644
--- a/codegen/valagvarianttransformer.vala
+++ b/codegen/valagvarianttransformer.vala
@@ -182,7 +182,7 @@ public class Vala.GVariantTransformer : CodeTransformer {
 
        Expression serialize_array (ArrayType array_type, Expression array_expr) {
                Method m;
-               if (!wrapper_method (data_type ("GLib.Variant", true), "gvariant_serialize_array 
"+array_type.to_string(), out m)) {
+               if (!wrapper_method (data_type ("GLib.Variant"), "gvariant_serialize_array 
"+array_type.to_string(), out m)) {
                        m.add_parameter (new Parameter ("array", copy_type (array_type, false), 
b.source_reference));
                        b.push_method (m);
 
@@ -250,7 +250,7 @@ public class Vala.GVariantTransformer : CodeTransformer {
 
                Method m;
                var type = context.analyzer.get_data_type_for_symbol (st);
-               if (!wrapper_method (data_type ("GLib.Variant", true), "gvariant_serialize_struct 
"+type.to_string(), out m)) {
+               if (!wrapper_method (data_type ("GLib.Variant"), "gvariant_serialize_struct 
"+type.to_string(), out m)) {
                        m.add_parameter (new Parameter ("st", type, b.source_reference));
                        b.push_method (m);
 
@@ -277,7 +277,7 @@ public class Vala.GVariantTransformer : CodeTransformer {
 
        Expression? serialize_hash_table (ObjectType type, Expression expr) {
                Method m;
-               if (!wrapper_method (data_type ("GLib.Variant", true), "gvariant_serialize_hash_table 
"+type.to_string(), out m)) {
+               if (!wrapper_method (data_type ("GLib.Variant"), "gvariant_serialize_hash_table 
"+type.to_string(), out m)) {
                        m.add_parameter (new Parameter ("ht", copy_type (type, false), b.source_reference));
                        b.push_method (m);
 
@@ -328,17 +328,17 @@ public class Vala.GVariantTransformer : CodeTransformer {
        }
 
        Expression deserialize_array (ArrayType array_type, Expression expr) {
-               var variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
-               var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter", true), null);
+               var variant = b.add_temp_declaration (data_type ("GLib.Variant"));
+               var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter"));
                b.add_assignment (expression (variant), expr);
                b.add_assignment (expression (iterator), expression (@"$variant.iterator ()"));
 
                var array_new = new ArrayCreationExpression (array_type.element_type, array_type.rank, null, 
b.source_reference);
-               var array = b.add_temp_declaration (copy_type (array_type, true), null);
+               var array = b.add_temp_declaration (copy_type (array_type, true));
 
                string[] indices = new string[array_type.rank];
                for (int dim=1; dim <= array_type.rank; dim++) {
-                       string length = b.add_temp_declaration (data_type ("size_t", true), null);
+                       string length = b.add_temp_declaration (data_type ("size_t"));
                        b.add_assignment (expression (length), expression (@"$iterator.n_children ()"));
                        array_new.append_size (expression (length));
                        indices[dim-1] = b.add_temp_declaration (null, expression ("0"));
@@ -353,9 +353,9 @@ public class Vala.GVariantTransformer : CodeTransformer {
        }
 
        void deserialize_array_dim (ArrayType array_type, string variant, string[] indices, int dim, string 
array) {
-               var iter = b.add_temp_declaration (data_type ("GLib.VariantIter", true), null);
+               var iter = b.add_temp_declaration (data_type ("GLib.VariantIter"));
                b.add_assignment (expression (iter), expression (@"$variant.iterator ()"));
-               var new_variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
+               var new_variant = b.add_temp_declaration (data_type ("GLib.Variant"));
                b.open_while (expression (@"($new_variant = $iter.next_value ()) != null"));
 
                if (dim == array_type.rank) {
@@ -372,8 +372,8 @@ public class Vala.GVariantTransformer : CodeTransformer {
        }
 
        Expression? deserialize_struct (Struct st, Expression expr) {
-               var variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
-               var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter", true), null);
+               var variant = b.add_temp_declaration (data_type ("GLib.Variant"));
+               var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter"));
                b.add_assignment (expression (variant), expr);
                b.add_assignment (expression (iterator), expression (@"$variant.iterator ()"));
                var type = context.analyzer.get_data_type_for_symbol (st);
@@ -400,8 +400,8 @@ public class Vala.GVariantTransformer : CodeTransformer {
        }
 
        Expression deserialize_hash_table (DataType type, Expression expr) {
-               var variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
-               var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter", true), null);
+               var variant = b.add_temp_declaration (data_type ("GLib.Variant"));
+               var iterator = b.add_temp_declaration (data_type ("GLib.VariantIter"));
                b.add_assignment (expression (variant), expr);
                b.add_assignment (expression (iterator), expression (@"$variant.iterator ()"));
 
@@ -421,7 +421,7 @@ public class Vala.GVariantTransformer : CodeTransformer {
                }
 
                var hash_table = b.add_temp_declaration (copy_type (type, true), hash_table_new);
-               var new_variant = b.add_temp_declaration (data_type ("GLib.Variant", true), null);
+               var new_variant = b.add_temp_declaration (data_type ("GLib.Variant"));
 
                b.open_while (expression (@"($new_variant = $iterator.next_value ()) != null"));
 
@@ -464,25 +464,9 @@ public class Vala.GVariantTransformer : CodeTransformer {
                return sym;
        }
 
-       DataType data_type (string s, bool owned_by_default) {
-               DataType type;
-               if (owned_by_default) {
-                       if (s.has_prefix ("unowned ")) {
-                               type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) 
symbol_from_string (s.split (" ")[1]));
-                               type.value_owned = false;
-                       } else {
-                               type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) 
symbol_from_string (s));
-                               type.value_owned = true;
-                       }
-               } else {
-                       if (s.has_prefix ("owned ")) {
-                               type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) 
symbol_from_string (s.split (" ")[1]));
-                               type.value_owned = true;
-                       } else {
-                               type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) 
symbol_from_string (s));
-                               type.value_owned = false;
-                       }
-               }
+       DataType data_type (string s, bool value_owned = true) {
+               DataType type = context.analyzer.get_data_type_for_symbol ((TypeSymbol) symbol_from_string 
(s));
+               type.value_owned = value_owned;
                return type;
        }
 
diff --git a/vala/valacodebuilder.vala b/vala/valacodebuilder.vala
index c04bf28..b981bf2 100644
--- a/vala/valacodebuilder.vala
+++ b/vala/valacodebuilder.vala
@@ -162,7 +162,7 @@ public class Vala.CodeBuilder {
                add_statement (new ContinueStatement (source_reference));
        }
 
-       public string add_temp_declaration (DataType? type, Expression? initializer) {
+       public string add_temp_declaration (DataType? type, Expression? initializer = null) {
                var local = new LocalVariable (type, CodeNode.get_temp_name (), initializer, 
source_reference);
                var stmt = new DeclarationStatement (local, source_reference);
                build_context.insert_block.insert_before (build_context.insert_statement, stmt);