(refs #7371) Support for select keyword for CHR constraints

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / elaboration / expressions / Expression.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Expression.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Expression.java
index 2b75f61cd0c236a2d37a5f7dae20e26224281362..02590273d453b889e489a5a2070b909da911db96 100644 (file)
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Expression.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/Expression.java
@@ -252,6 +252,9 @@ public abstract class Expression extends Symbol implements Typed {
         return expression;
     }
 
+    /**
+     * Used during simplification and in toIExpression
+     */
     public THashSet<Variable> getFreeVariables() {
         THashSet<Variable> result = new THashSet<Variable>();
         collectFreeVariables(result);