X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramsyntax.cpp;h=47b59f6c8900868c21f91c633cf2c4b512da55e4;hp=185453952a006fdf591b9bf64b6306d37efe0989;hb=d901696935a6bf9fdad6ac8abe65ffab79bd297d;hpb=f02daac8305327d403e947e23c4f2d231eced417

diff --git a/source/programsyntax.cpp b/source/programsyntax.cpp
index 18545395..47b59f6c 100644
--- a/source/programsyntax.cpp
+++ b/source/programsyntax.cpp
@@ -103,6 +103,12 @@ void Import::visit(NodeVisitor &visitor)
 }
 
 
+void Precision::visit(NodeVisitor &visitor)
+{
+	visitor.visit(*this);
+}
+
+
 void Layout::visit(NodeVisitor &visitor)
 {
 	visitor.visit(*this);
@@ -284,7 +290,8 @@ void TraversingVisitor::visit(Conditional &cond)
 
 void TraversingVisitor::visit(Iteration &iter)
 {
-	iter.init_statement->visit(*this);
+	if(iter.init_statement)
+		iter.init_statement->visit(*this);
 	if(iter.condition)
 		iter.condition->visit(*this);
 	if(iter.loop_expression)