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[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / internal / interpreted / IConstant.java
1 package org.simantics.scl.compiler.internal.interpreted;
2
3 import org.simantics.scl.runtime.function.Function;
4
5
6 public class IConstant implements IExpression {
7     private final Object value;
8
9     public IConstant(Object value) {
10         this.value = value;
11     }
12     
13     @Override
14     public Object execute(Object[] variableBindings) {
15         return value;
16     }
17     
18     @Override
19     public String toString() {
20         if(value == null)
21             return "null";
22         else if(value instanceof Number || value instanceof Function)
23                 return value.toString();
24         else if(value instanceof String)
25                 return "\"" + value.toString() + "\"";
26         else if(value instanceof Class)
27                 return ((Class<?>)value).getSimpleName();
28         else
29             return "(" + value.toString() + "::" + value.getClass().getSimpleName() + ")";
30     }
31 }