[vala/wip/transform] Use return_temp_access in coalescing expression



commit e066b6c1c1c932bfb71264ca8d23d7d901ee16c9
Author: Luca Bruno <lucabru src gnome org>
Date:   Sat Feb 1 11:22:18 2014 +0100

    Use return_temp_access in coalescing expression

 codegen/valaccodetransformer.vala |    5 +++--
 vala/valabinaryexpression.vala    |    2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/codegen/valaccodetransformer.vala b/codegen/valaccodetransformer.vala
index d0ab093..432dea0 100644
--- a/codegen/valaccodetransformer.vala
+++ b/codegen/valaccodetransformer.vala
@@ -444,12 +444,13 @@ public class Vala.CCodeTransformer : CodeTransformer {
                        replacement = expression (result);
                } else if (expr.operator == BinaryOperator.COALESCE) {
                        var is_owned = expr.left.value_type.value_owned || expr.right.value_type.value_owned;
-                       var result = b.add_temp_declaration (copy_type (expr.value_type, is_owned, true), 
expr.left);
+                       var result = b.add_temp_declaration (copy_type (expr.value_type), expr.left);
 
                        b.open_if (expression (@"$result == null"));
                        b.add_assignment (expression (result), expr.right);
                        b.close ();
-                       replacement = expression (result);
+                       
+                       replacement = return_temp_access (result, expr.value_type, target_type);
                } else if (expr.operator == BinaryOperator.IN && !(expr.left.value_type.compatible 
(context.analyzer.int_type) && expr.right.value_type.compatible (context.analyzer.int_type)) && 
!(expr.right.value_type is ArrayType)) {
                        // neither enums nor array, it's contains()
                        var call = new MethodCall (new MemberAccess (expr.right, "contains", 
expr.source_reference), expr.source_reference);
diff --git a/vala/valabinaryexpression.vala b/vala/valabinaryexpression.vala
index 2ad874a..c6579d6 100644
--- a/vala/valabinaryexpression.vala
+++ b/vala/valabinaryexpression.vala
@@ -184,6 +184,8 @@ public class Vala.BinaryExpression : Expression {
 
                if (operator == BinaryOperator.COALESCE) {
                        left.target_type.nullable = true;
+                       left.target_type.value_owned = left.value_type.value_owned || 
right.value_type.value_owned;
+                       
                        right.target_type = left.target_type.copy ();
                        value_type = left.target_type.copy ();
                } else if (left.value_type.data_type == context.analyzer.string_type.data_type


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