X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Frelations%2FSCLRelation.java;h=e93ff6e8fe16a7b5eb1aeb5a45164a86302c0be2;hb=bf5f7cda1b9b64484cc6e53499e38d6785744aec;hp=9642762cb220cfa5a247ea7a2a3119e1aadb33aa;hpb=4bf8562ab7cbb3747f9c5844a07469291d43e905;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/relations/SCLRelation.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/relations/SCLRelation.java
index 9642762cb..e93ff6e8f 100644
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/relations/SCLRelation.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/relations/SCLRelation.java
@@ -6,6 +6,7 @@ import org.simantics.scl.compiler.elaboration.expressions.Variable;
 import org.simantics.scl.compiler.elaboration.query.compilation.EnforcingContext;
 import org.simantics.scl.compiler.elaboration.query.compilation.QueryCompilationContext;
 import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
+import org.simantics.scl.compiler.types.TPred;
 import org.simantics.scl.compiler.types.TVar;
 import org.simantics.scl.compiler.types.Type;
 
@@ -30,8 +31,11 @@ public interface SCLRelation {
     
     TVar[] getTypeVariables();
     Type[] getParameterTypes();
+    default TPred[] getTypeConstraints() {
+        return TPred.EMPTY_ARRAY;
+    }
     int getPhase();
-    
+
     double getSelectivity(int boundVariables);
     int getRequiredVariablesMask();
     void generate(long location,
@@ -41,17 +45,22 @@ public interface SCLRelation {
     Expression generateEnforce(long location, EnforcingContext context,
             Type[] typeParameters,
             Variable[] parameters);
-
+    default String[] getFieldNames() {
+        return null;
+    }
+    
     void generateIterate(
             PlanContext context,
             CodeWriter w,
             long location,
             int boundMask,
             Variable[] variables,
-            Expression[] expressions);
+            Expression[] expressions,
+            Expression[] typeConstraintEvidenceParameters);
     void generateEnforce(
             PlanContext context,
             CodeWriter w,
             long location,
-            Expression[] parameters);
+            Expression[] parameters,
+            Expression[] typeConstraintEvidenceParameters);
 }