bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/equation/EqGuard.java

   1 package org.simantics.scl.compiler.elaboration.equation;
   2
   3 import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
   4 import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
   5 import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
   6 import org.simantics.scl.compiler.elaboration.expressions.Expression;
   7 import org.simantics.scl.compiler.elaboration.expressions.Variable;
   8 import org.simantics.scl.compiler.elaboration.expressions.VariableProcedure;
   9 import org.simantics.scl.compiler.errors.Locations;
  10 import org.simantics.scl.compiler.types.Type;
  11
  12 import gnu.trove.map.hash.TObjectIntHashMap;
  13 import gnu.trove.set.hash.THashSet;
  14 import gnu.trove.set.hash.TIntHashSet;
  15
  16 public class EqGuard extends Equation {
  17     public Expression guard;
  18
  19     public EqGuard(Expression guard) {
  20         this.guard = guard;
  21     }
  22
  23     public EqGuard(long location, Expression guard) {
  24         this(guard);
  25         this.location = location;
  26     }
  27
  28     @Override
  29     public void setLocationDeep(long loc) {
  30         if(location == Locations.NO_LOCATION) {
  31             location = loc;
  32             guard.setLocationDeep(loc);
  33         }
  34     }
  35
  36     @Override
  37     public void collectFreeVariables(THashSet<Variable> vars) {
  38         guard.collectFreeVariables(vars);
  39     }
  40
  41     @Override
  42     public void collectEffects(THashSet<Type> effects) {
  43         guard.collectEffects(effects);
  44     }
  45
  46     @Override
  47     public void checkType(TypingContext context) {
  48         guard = guard.checkIgnoredType(context);
  49     }
  50
  51     @Override
  52     public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {
  53         guard.collectVars(allVars, vars);
  54     }
  55
  56     @Override
  57     public void resolve(TranslationContext context) {
  58         guard = guard.resolve(context);
  59     }
  60
  61     @Override
  62     public void accept(EquationVisitor visitor) {
  63         visitor.visit(this);
  64     }
  65
  66     @Override
  67     public Equation replace(ReplaceContext context) {
  68         return new EqGuard(location, guard.replace(context));
  69     }
  70 }