bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/interpreted/IIf.java

   1 package org.simantics.scl.compiler.internal.interpreted;
   2
   3
   4 public class IIf implements IExpression {
   5     private final IExpression condition;
   6     private final IExpression thenBranch;
   7     private final IExpression elseBranch;
   8
   9     public IIf(IExpression condition, IExpression thenBranch,
  10             IExpression elseBranch) {
  11         this.condition = condition;
  12         this.thenBranch = thenBranch;
  13         this.elseBranch = elseBranch;
  14     }
  15
  16     @Override
  17     public Object execute(Object[] variableBindings) {
  18         if((Boolean)condition.execute(variableBindings))
  19             return thenBranch.execute(variableBindings);
  20         else
  21             return elseBranch.execute(variableBindings);
  22     }
  23
  24     @Override
  25     public String toString() {
  26         StringBuilder b = new StringBuilder();
  27         b.append("(if ");
  28         b.append(condition);
  29         b.append(" then ");
  30         b.append(thenBranch);
  31         b.append(" else ");
  32         b.append(elseBranch);
  33         b.append(')');
  34         return b.toString();
  35     }
  36 }