BadInteropFunction.cs

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using BadScript2.Parser;
using BadScript2.Reader.Token;
using BadScript2.Runtime.Objects;
using BadScript2.Runtime.Objects.Functions;
using BadScript2.Runtime.Objects.Types;
 
namespace BadScript2.Runtime.Interop.Functions;
 
public class BadInteropFunction : BadFunction
{
    private readonly Func<BadExecutionContext, BadObject[], BadObject> m_Func;
 
    private BadMetaData? _metaData;
 
    public BadInteropFunction(BadWordToken? name,
                              Func<BadObject[], BadObject> func,
                              bool isStatic,
                              BadClassPrototype returnType,
                              params BadFunctionParameter[] parameters) : base(name,
                                                                               false,
                                                                               isStatic,
                                                                               returnType,
                                                                               false,
                                                                               parameters
                                                                              )
    {
        m_Func = (_, args) => func(args);
    }
 
 
    public BadInteropFunction(BadWordToken? name,
                              Func<BadExecutionContext, BadObject[], BadObject> func,
                              bool isStatic,
                              BadClassPrototype returnType,
                              params BadFunctionParameter[] parameters) : base(name,
                                                                               false,
                                                                               isStatic,
                                                                               returnType,
                                                                               false,
                                                                               parameters
                                                                              )
    {
        m_Func = func;
    }
 
    public override BadMetaData MetaData => _metaData ?? BadMetaData.Empty;
 
    public BadInteropFunction SetMetaData(BadMetaData metaData)
    {
        _metaData = metaData;
 
        return this;
    }
 
 
    public static BadInteropFunction Create(Func<BadObject[], BadObject> func,
                                            bool isStatic,
                                            BadClassPrototype returnType,
                                            params string[] names)
    {
        BadInteropFunction function = new BadInteropFunction(null,
                                                             func,
                                                             isStatic,
                                                             returnType,
                                                             names.Select(x => (BadFunctionParameter)x)
                                                                  .ToArray()
                                                            );
 
        return function;
    }
 
 
    protected override IEnumerable<BadObject> InvokeBlock(BadObject[] args, BadExecutionContext caller)
    {
        CheckParameters(args, caller);
 
        yield return m_Func.Invoke(caller, args);
    }
}