Overhaul assignment tracking to work properly with conditionals

[libs/gl.git] / source / programsyntax.cpp

diff --git a/source/programsyntax.cpp b/source/programsyntax.cpp
index dcd19f2bb3b52b0ac75dac2f6f78c0900d3f1edf..83cfbb089b4d5d3278722b384c82a91a382aa4d1 100644 (file)
--- a/source/programsyntax.cpp
+++ b/source/programsyntax.cpp
@@ -54,11 +54,18 @@ void UnaryExpression::visit(NodeVisitor &visitor)
 }
 
 
-BinaryExpression::BinaryExpression():
-       assignment(false)
+void BinaryExpression::visit(NodeVisitor &visitor)
+{
+       visitor.visit(*this);
+}
+
+
+Assignment::Assignment():
+       self_referencing(false),
+       target_declaration(0)
 { }
 
-void BinaryExpression::visit(NodeVisitor &visitor)
+void Assignment::visit(NodeVisitor &visitor)
 {
        visitor.visit(*this);
 }
@@ -156,6 +163,12 @@ void Return::visit(NodeVisitor &visitor)
 }
 
 
+void NodeVisitor::visit(Assignment &assign)
+{
+       visit(static_cast<BinaryExpression &>(assign));
+}
+
+
 void TraversingVisitor::visit(Block &block)
 {
        for(list<NodePtr<Node> >::iterator i=block.body.begin(); i!=block.body.end(); ++i)