36 lines
996 B
C#
36 lines
996 B
C#
namespace tlang
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{
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internal class ForLoop : Node
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{
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public Node Init {get;set;}
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public Node Condition {get;set;}
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public Node Increment {get;set;}
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public Node Body {get;set;}
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public ForLoop(Node init, Node condition, Node inc, Node body)
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{
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Init = init;
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Condition = condition;
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Increment = inc;
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Body = body;
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}
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public override TObject Execute(IScopeEnvironment nodeEnv)
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{
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var env = nodeEnv.SubEnv;
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bool isRunning=true;
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env["last_ittr"]= new TExternalMethod((args)=>{
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isRunning=false;
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return new TNumber(1);
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});
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Init.Execute(env);
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TObject obj=new TUninit();
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while(Condition.Execute(env).AsBoolean && isRunning)
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{
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obj=Body.Execute(env);
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Increment.Execute(env);
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}
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return obj;
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}
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}
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} |