orelang.operator.SetOperator source code

1 module orelang.operator.SetOperator;
2 import orelang.expression.ClassType,
3        orelang.operator.IOperator,
4        orelang.Engine,
5        orelang.Value;
6 
7 class SetOperator : IOperator {
8   /**
9    * call
10    */
11   public Value call(Engine engine, Value[] args) {
12     return engine.setVariable(args[0].getString, engine.eval(args[1]));
13   }
14 }
15 
16 
17 /**
18  * Set a value to the variable defined in parent scope
19  */
20 class SetPOperator : IOperator {
21   /**
22    * call
23    */
24   public Value call(Engine engine, Value[] args) {
25     return engine.peekSuper.setVariable(args[0].getString, engine.eval(args[1]));
26   }
27 }
28 
29 
30 /**
31  * Set a value to the variable defined in class value
32  */
33 class SetCOperator : IOperator {
34   /**
35    * call
36    */
37   public Value call(Engine engine, Value[] args) {
38     ClassType cls  = engine.eval(args[0]).getClassType;
39     string varName = args[1].type == ValueType.SymbolValue ? args[1].getString : engine.eval(args[1]).getString;
40     Value  value   = engine.eval(args[2]);
41 
42     return cls._engine.setVariable(varName, value);
43   }
44 }