[vala/wip/transform: 74/97] Use _ctmp%d_ for compiler variables since they are globally mapped. Fix templates

[Rico Tzschichholz <ricotz src gnome org>]

commit b5968071d26df8987316b9a218a930f4e77f0dd0
Author: Luca Bruno <lucabru src gnome org>
Date:   Sat Feb 1 18:26:35 2014 +0100

    Use _ctmp%d_ for compiler variables since they are globally mapped. Fix templates

 codegen/valaccodebasemodule.vala  |  2 +-
 codegen/valaccodetransformer.vala |  4 ++--
 vala/valatemplate.vala            | 19 +++++++++++++++++++
 3 files changed, 22 insertions(+), 3 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index d4e43424b..5f4b40f27 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -2387,7 +2387,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                        }
                        // compiler-internal variable
                        if (!variable_name_map.contains (name)) {
-                               variable_name_map.set (name, "_tmp%d_".printf (next_temp_var_id));
+                               variable_name_map.set (name, "_ctmp%d_".printf (next_temp_var_id));
                                next_temp_var_id++;
                        }
                        return variable_name_map.get (name);
diff --git a/codegen/valaccodetransformer.vala b/codegen/valaccodetransformer.vala
index 413b64a1a..4b8c68a0d 100644
--- a/codegen/valaccodetransformer.vala
+++ b/codegen/valaccodetransformer.vala
@@ -530,7 +530,7 @@ public class Vala.CCodeTransformer : CodeTransformer {
                if (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 (@"($expr).to_string ()");
+                       return expression (@"$expr.to_string ()");
                }
        }
 
@@ -545,7 +545,7 @@ public class Vala.CCodeTransformer : CodeTransformer {
                } else {
                        replacement = stringify (expression_list[0]);
                        if (expression_list.size > 1) {
-                               var concat = (MethodCall) expression (@"($replacement).concat()");
+                               var concat = (MethodCall) expression (@"$replacement.concat()");
                                for (int i = 1; i < expression_list.size; i++) {
                                        concat.add_argument (stringify (expression_list[i]));
                                }
diff --git a/vala/valatemplate.vala b/vala/valatemplate.vala
index cf45522cf..7921d30f6 100644
--- a/vala/valatemplate.vala
+++ b/vala/valatemplate.vala
@@ -51,6 +51,25 @@ public class Vala.Template : Expression {
                return false;
        }
 
+       public override string to_string () {
+               var b = new StringBuilder ();
+               b.append ("@\"");
+
+               foreach (var expr in expression_list) {
+                       if (expr is StringLiteral) {
+                               unowned string value = ((StringLiteral) expr).value;
+                               b.append (value.substring (1, (uint) (value.length - 2)));
+                       } else {
+                               b.append ("$(");
+                               b.append (expr.to_string ());
+                               b.append_c (')');
+                       }
+               }
+
+               b.append_c ('"');
+               return b.str;
+       }
+
        public override void replace_expression (Expression old_node, Expression new_node) {
                int index = expression_list.index_of (old_node);
                if (index >= 0) {