private MSA.Expression /*!*/ MakeParametersInitialization(AstGenerator /*!*/ gen, MSA.Expression[] /*!*/ parameters)
{
Assert.NotNull(gen);
Assert.NotNullItems(parameters);
var result = AstFactory.CreateExpressionArray(
_parameters.LeftValues.Count +
(_parameters.UnsplattedValue != null ? 1 : 0) +
1
);
int resultIndex = 0;
bool paramsInArray = HasFormalParametersInArray;
for (int i = 0; i < _parameters.LeftValues.Count; i++)
{
var parameter = paramsInArray ?
Ast.ArrayAccess(parameters[HiddenParameterCount], Ast.Constant(i)) :
parameters[HiddenParameterCount + i];
result[resultIndex++] = _parameters.LeftValues[i].TransformWrite(gen, parameter);
}
if (_parameters.UnsplattedValue != null)
{
// the last parameter is unsplat:
var parameter = parameters[parameters.Length - 1];
result[resultIndex++] = _parameters.UnsplattedValue.TransformWrite(gen, parameter);
}
result[resultIndex++] = Ast.Empty();
Debug.Assert(resultIndex == result.Length);
return(AstFactory.Block(result));
}
