29 lines
776 B
Java
29 lines
776 B
Java
package function.builtin;
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import function.ArgumentValidator;
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import function.FunctionNames;
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import function.LispFunction;
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import sexpression.Cons;
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import sexpression.SExpression;
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import table.ExecutionContext;
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@FunctionNames({ "SYMBOLS" })
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public class SYMBOLS extends LispFunction {
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private ArgumentValidator argumentValidator;
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private ExecutionContext executionContext;
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public SYMBOLS(String name) {
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this.argumentValidator = new ArgumentValidator(name);
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this.argumentValidator.setExactNumberOfArguments(0);
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this.executionContext = ExecutionContext.getInstance();
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}
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@Override
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public SExpression call(Cons argumentList) {
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argumentValidator.validate(argumentList);
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return executionContext.toList();
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}
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}
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