X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Felaboration%2Fchr%2FCHRLiteral.java;h=e8bb00a6e1b7a7a66dca38f7e7e3a28bf8a9cb77;hb=2f63e7a58e49a233b28c6968b848281060117c43;hp=f44609e6c1b13552b9311025f2872c740a10978c;hpb=edbb4df64407826271ee6423451401684e9cd68c;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/CHRLiteral.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/CHRLiteral.java
index f44609e6c..e8bb00a6e 100644
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/CHRLiteral.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/CHRLiteral.java
@@ -12,7 +12,6 @@ import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
 import org.simantics.scl.compiler.elaboration.expressions.ERecord;
 import org.simantics.scl.compiler.elaboration.expressions.Expression;
 import org.simantics.scl.compiler.elaboration.expressions.Variable;
-import org.simantics.scl.compiler.elaboration.expressions.VariableProcedure;
 import org.simantics.scl.compiler.elaboration.expressions.printing.ExpressionToStringVisitor;
 import org.simantics.scl.compiler.elaboration.expressions.records.FieldAssignment;
 import org.simantics.scl.compiler.elaboration.relations.SCLRelation;
@@ -47,6 +46,11 @@ public class CHRLiteral extends Symbol {
     }
 
     public void resolve(TranslationContext context) {
+        if(relation == SpecialCHRRelation.ASSIGN) {
+            parameters[1] = parameters[1].resolve(context);
+            parameters[0] = parameters[0].resolveAsPattern(context);
+            return;
+        }
         if(parameters != null) {
             for(int i=0;i<parameters.length;++i)
                 parameters[i] = parameters[i].resolve(context);
@@ -123,6 +127,11 @@ public class CHRLiteral extends Symbol {
             parameters[0] = parameters[0].checkIgnoredType(context);
             typeConstraintEvidenceParameters = Expression.EMPTY_ARRAY;
         }
+        else if(relation == SpecialCHRRelation.ASSIGN) {
+            parameters[1] = parameters[1].inferType(context);
+            parameters[0] = parameters[0].checkTypeAsPattern(context, parameters[1].getType());
+            typeConstraintEvidenceParameters = Expression.EMPTY_ARRAY;
+        }
         else {
             TVar[] typeVariables = relation.getTypeVariables();
             typeParameters = typeVariables.length == 0 ? Type.EMPTY_ARRAY : new Type[typeVariables.length];
@@ -147,20 +156,17 @@ public class CHRLiteral extends Symbol {
                 parameter.collectVars(allVars, vars);
     }
 
-    public void forVariables(VariableProcedure procedure) {
-        for(Expression parameter : parameters)
-            parameter.forVariables(procedure);
-        if(typeConstraintEvidenceParameters != null)
-            for(Expression parameter : typeConstraintEvidenceParameters)
-                parameter.forVariables(procedure);
-    }
-
     public void collectFreeVariables(THashSet<Variable> vars) {
-        for(Expression parameter : parameters)
-            parameter.collectFreeVariables(vars);
-        if(typeConstraintEvidenceParameters != null)
-            for(Expression parameter : typeConstraintEvidenceParameters)
+        if(relation == SpecialCHRRelation.ASSIGN) {
+            parameters[1].collectFreeVariables(vars);
+        }
+        else {
+            for(Expression parameter : parameters)
                 parameter.collectFreeVariables(vars);
+            if(typeConstraintEvidenceParameters != null)
+                for(Expression parameter : typeConstraintEvidenceParameters)
+                    parameter.collectFreeVariables(vars);
+        }
     }
 
     public void setLocationDeep(long loc) {
@@ -187,8 +193,10 @@ public class CHRLiteral extends Symbol {
     }
 
     public void collectQueryEffects(THashSet<Type> effects) {
+        // TODO
     }
 
     public void collectEnforceEffects(THashSet<Type> effects) {
+        // TODO
     }
 }