bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/expressions/GuardedExpression.java

   1 package org.simantics.scl.compiler.elaboration.expressions;
   2
   3 import org.simantics.scl.compiler.elaboration.contexts.ReplaceContext;
   4 import org.simantics.scl.compiler.errors.Locations;
   5 import org.simantics.scl.compiler.internal.elaboration.utils.ExpressionDecorator;
   6 import org.simantics.scl.compiler.internal.parsing.Symbol;
   7
   8 public class GuardedExpression extends Symbol {
   9     public Expression[] guards;
  10     public Expression value;
  11
  12     public GuardedExpression(Expression[] guards, Expression value) {
  13         this.guards = guards;
  14         this.value = value;
  15     }
  16
  17     public GuardedExpression replace(ReplaceContext context) {
  18         return new GuardedExpression(
  19                 Expression.replace(context, guards),
  20                 value.replace(context));
  21     }
  22
  23     public void decorate(ExpressionDecorator decorator) {
  24         for(int i=0;i<guards.length;++i)
  25             guards[i] = guards[i].decorate(decorator);
  26         value = value.decorate(decorator);
  27     }
  28
  29     public void setLocationDeep(long loc) {
  30         if(location == Locations.NO_LOCATION) {
  31             location = loc;
  32             for(Expression guard : guards)
  33                 guard.setLocationDeep(loc);
  34             value.setLocationDeep(loc);
  35         }
  36     }
  37
  38     public void forVariables(VariableProcedure procedure) {
  39         for(Expression guard : guards)
  40             guard.forVariables(procedure);
  41         value.forVariables(procedure);
  42     }
  43 }