[vala/wip/transform: 21/107] Add missing replace_expression to code nodes

[Rico Tzschichholz <ricotz src gnome org>]

commit 19e08243168fdbffe1df406ed37ffc4e4320d0e0
Author: Luca Bruno <lucabru src gnome org>
Date:   Thu Dec 29 12:55:06 2011 +0100

    Add missing replace_expression to code nodes

 vala/valadeletestatement.vala   |    6 ++++++
 vala/valaforstatement.vala      |   16 ++++++++++++++++
 vala/valalockstatement.vala     |    6 ++++++
 vala/valapostfixexpression.vala |    6 ++++++
 vala/valaunlockstatement.vala   |    6 ++++++
 5 files changed, 40 insertions(+), 0 deletions(-)
---
diff --git a/vala/valadeletestatement.vala b/vala/valadeletestatement.vala
index e12b5c4..5f639d4 100644
--- a/vala/valadeletestatement.vala
+++ b/vala/valadeletestatement.vala
@@ -50,6 +50,12 @@ public class Vala.DeleteStatement : CodeNode, Statement {
                expression.accept (visitor);
        }
 
+       public override void replace_expression (Expression old_node, Expression new_node) {
+               if (expression = old_node) {
+                       expression = new_node;
+               }
+       }
+
        public override bool check (CodeContext context) {
                if (checked) {
                        return !error;
diff --git a/vala/valaforstatement.vala b/vala/valaforstatement.vala
index 2f4bef1..f82b4de 100644
--- a/vala/valaforstatement.vala
+++ b/vala/valaforstatement.vala
@@ -136,6 +136,22 @@ public class Vala.ForStatement : CodeNode, Statement {
                body.accept (visitor);
        }
 
+       public override void replace_expression (Expression old_node, Expression new_node) {
+               if (condition == old_node) {
+                       condition = new_node;
+               }
+               for (int i=0; i < initializer.size; i++) {
+                       if (initializer[i] == old_node) {
+                               initializer[i] = new_node;
+                       }
+               }
+               for (int i=0; i < iterator.size; i++) {
+                       if (iterator[i] == old_node) {
+                               iterator[i] = new_node;
+                       }
+               }
+       }
+
        public override bool check (CodeContext context) {
                if (checked) {
                        return !error;
diff --git a/vala/valalockstatement.vala b/vala/valalockstatement.vala
index b94e88c..6f7912e 100644
--- a/vala/valalockstatement.vala
+++ b/vala/valalockstatement.vala
@@ -74,6 +74,12 @@ public class Vala.LockStatement : CodeNode, Statement {
                visitor.visit_lock_statement (this);
        }
 
+       public override void replace_expression (Expression old_node, Expression new_node) {
+               if (resource == old_node) {
+                       resource = new_node;
+               }
+       }
+
        public override bool check (CodeContext context) {
                if (body != null) {
                        // if the statement isn't empty, it is converted into a try statement
diff --git a/vala/valapostfixexpression.vala b/vala/valapostfixexpression.vala
index 05274c1..dd6e351 100644
--- a/vala/valapostfixexpression.vala
+++ b/vala/valapostfixexpression.vala
@@ -91,6 +91,12 @@ public class Vala.PostfixExpression : Expression {
                inner.get_used_variables (collection);
        }
 
+       public override void replace_expression (Expression old_node, Expression new_node) {
+               if (inner == old_node) {
+                       inner = new_node;
+               }
+       }
+
        public override bool check (CodeContext context) {
                if (checked) {
                        return !error;
diff --git a/vala/valaunlockstatement.vala b/vala/valaunlockstatement.vala
index c9f8ff7..e73e363 100644
--- a/vala/valaunlockstatement.vala
+++ b/vala/valaunlockstatement.vala
@@ -40,6 +40,12 @@ public class Vala.UnlockStatement : CodeNode, Statement {
                visitor.visit_unlock_statement (this);
        }
 
+       public override void replace_expression (Expression old_node, Expression new_node) {
+               if (resource == old_node) {
+                       resource = new_node;
+               }
+       }
+
        public override bool check (CodeContext context) {
                if (checked) {
                        return !error;