CHR query translation and support for assignment in CHR bodies

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / elaboration / chr / relations / SpecialCHRRelation.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/relations/SpecialCHRRelation.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/relations/SpecialCHRRelation.java
index c5dbe3c4190b54cf7aff3c08101168a6b50626b5..52da4cfe03fbe1fda90f445db6fb3d04b486bc68 100644 (file)
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/relations/SpecialCHRRelation.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/relations/SpecialCHRRelation.java
@@ -7,10 +7,11 @@ import org.simantics.scl.compiler.types.Type;
 import org.simantics.scl.compiler.types.Types;
 
 public enum SpecialCHRRelation implements CHRRelation {    
-    EQUALS(A, A),
-    MEMBER(A, Types.list(A)),
-    CHECK(Types.BOOLEAN),
-    EXECUTE(Types.UNIT);
+    EQUALS(A, A), // only in head
+    ASSIGN(A, A), // only in body
+    MEMBER(A, Types.list(A)), // only in head
+    CHECK(Types.BOOLEAN), // only in head
+    EXECUTE(Types.UNIT); // only in body
     
     private final TVar[] typeVariables;
     private final Type[] parameterTypes;