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

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