/// <summary>
/// Initialize a <see cref="Function"/> with the
/// <see cref="FunctionStatement"/> declaration it originated from.
/// </summary>
/// <param name="declaration">Parsed source of the function.</param>
public Function(FunctionExpression declaration, EnvironmentState closure,
Token name = null, bool isInit = false)
{
_declaration = declaration;
_closure = closure;
_name = name;
_isInit = isInit;
ParamCount = _declaration.Params.Count();
}
private void ResolveFunction(FunctionExpression function, FunctionType type)
{
var enclosingFunctionType = _currentFunctionType;
_currentFunctionType = type;
BeginScope();
foreach (var param in function.Params)
{
Declare(param);
Define(param);
}
Resolve(function.Body);
EndScope();
_currentFunctionType = enclosingFunctionType;
}
public FunctionStatement(Token name, FunctionExpression function)
{
Name = name;
Function = function;
}
public object VisitFunctionExpression(FunctionExpression expression)
{
ResolveFunction(expression, FunctionType.Function);
return(null);
}
public string VisitFunctionExpression(FunctionExpression expression)
{
throw new System.NotImplementedException();
}
