X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Fexpressions%2FEAsPattern.java;h=53bfca3506bf163454d28b344a5587ba09733ca1;hb=refs%2Fchanges%2F21%2F221%2F6;hp=8f6892a42f4f8cfb1e5a78e91386aef908c11c5e;hpb=12d9af17384d960b75d58c3935d2b7b46d93e87b;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EAsPattern.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EAsPattern.java
index 8f6892a42..53bfca350 100644
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EAsPattern.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/EAsPattern.java
@@ -58,8 +58,13 @@ public class EAsPattern extends Expression {
 
     @Override
     public void collectFreeVariables(THashSet<Variable> vars) {
-        vars.add(var);
-        pattern.collectFreeVariables(vars);
+        throw new InternalCompilerError(location, "Cannot collect free variables for a pattern.");
+    }
+    
+    @Override
+    public void removeFreeVariables(THashSet<Variable> vars) {
+        vars.remove(var);
+        pattern.removeFreeVariables(vars);
     }
     
     @Override