import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
import org.simantics.scl.compiler.elaboration.expressions.EVariable;
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.errors.Locations;
import org.simantics.scl.compiler.internal.parsing.Symbol;
this.body = body;
this.existentialVariables = existentialVariables;
}
+
+ public CHRRule(long location, CHRQuery head, CHRQuery body) {
+ this(location, head, body, null);
+ }
public void resolve(TranslationContext context) {
context.pushExistentialFrame();
head.resolve(context);
+ context.disallowNewExistentials();
body.resolve(context);
existentialVariables = context.popExistentialFrame();
}
body.collectVars(allVars, vars);
}
- public void forVariables(VariableProcedure procedure) {
- head.forVariables(procedure);
- body.forVariables(procedure);
- }
-
public void collectFreeVariables(THashSet<Variable> vars) {
head.collectFreeVariables(vars);
body.collectFreeVariables(vars);
Variable activeFact = new Variable("activeFact", constraint.factType);
QueryPlanningContext context = new QueryPlanningContext(compilationContext, existentialVariables);
- if(!head.createQueryPlan(context, new EVariable(activeFact), i))
+ if(!head.createQueryPlan(context, new EVariable(activeFact), i, initConstraint))
return;
body.createEnforcePlan(context, priority);
addPlan(new CHRSearchPlan(constraint, activeFact, context.getPlanOps()));
if(!hasLocalActiveLiteral) {
Variable activeFact = new Variable("activeFact", initConstraint.factType);
QueryPlanningContext context = new QueryPlanningContext(compilationContext, existentialVariables);
- if(!head.createQueryPlan(context, null, -1))
+ if(!head.createQueryPlan(context, new EVariable(activeFact), -1, initConstraint))
return;
body.createEnforcePlan(context, priority);
/*System.out.println(this);