[vala/wip/transform: 367/373] Fix string templates



commit 48ec9afbf94b9e08006434d5053565481be2670e
Author: Luca Bruno <luca bruno immobiliare it>
Date:   Mon Jul 7 09:57:08 2014 +0200

    Fix string templates

 vala/valacodetransformer.vala | 2 +-
 vala/valatemplate.vala        | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
---
diff --git a/vala/valacodetransformer.vala b/vala/valacodetransformer.vala
index c2c84a5d1..70b9aa17b 100644
--- a/vala/valacodetransformer.vala
+++ b/vala/valacodetransformer.vala
@@ -295,7 +295,7 @@ public class Vala.CodeTransformer : CodeVisitor {
        }
 
        public Expression stringify (Expression expr) {
-               if (expr.value_type.data_type != null && expr.value_type.data_type.is_subtype_of 
(context.analyzer.string_type.data_type)) {
+               if (expr.value_type != null && expr.value_type.data_type != null && 
expr.value_type.data_type.is_subtype_of (context.analyzer.string_type.data_type)) {
                        return expr;
                } else {
                        return expression (@"%?.to_string ()", {expr});
diff --git a/vala/valatemplate.vala b/vala/valatemplate.vala
index f60821508..7cdb15db9 100644
--- a/vala/valatemplate.vala
+++ b/vala/valatemplate.vala
@@ -47,6 +47,14 @@ public class Vala.Template : Expression {
                return expression_list;
        }
 
+       public override void replace_expression (Expression old_node, Expression new_node) {
+               int index = expression_list.index_of (old_node);
+               if (index >= 0) {
+                       expression_list[index] = new_node;
+                       new_node.parent_node = this;
+               }
+       }
+
        public override bool is_pure () {
                return false;
        }


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