private static IEnumerable <TypeUsage> UntypedNullAwareFlattenArgumentType(TypeUsage argType)
{
return(argType != null?TypeSemantics.FlattenType(argType) : new TypeUsage[]
{
null
});
}
private static IEnumerable <TypeUsage> UntypedNullAwareFlattenArgumentType(
TypeUsage argType)
{
if (argType == null)
{
return((IEnumerable <TypeUsage>) new TypeUsage[1]);
}
return(TypeSemantics.FlattenType(argType));
}
private static IEnumerable <TypeUsage> UntypedNullAwareFlattenParameterType(
TypeUsage paramType,
TypeUsage argType)
{
if (argType != null)
{
return(TypeSemantics.FlattenType(paramType));
}
return((IEnumerable <TypeUsage>) new TypeUsage[1]
{
paramType
});
}
/// <summary>
/// Resolves <paramref name="argTypes"/> against the list of function signatures.
/// </summary>
/// <returns>Funciton metadata</returns>
internal static EdmFunction ResolveFunctionOverloads(IList <EdmFunction> functionsMetadata,
IList <TypeUsage> argTypes,
bool isGroupAggregateFunction,
out bool isAmbiguous)
{
return(ResolveFunctionOverloads(
functionsMetadata,
argTypes,
(edmFunction) => edmFunction.Parameters,
(functionParameter) => functionParameter.TypeUsage,
(functionParameter) => functionParameter.Mode,
(argType) => TypeSemantics.FlattenType(argType),
(paramType, argType) => TypeSemantics.FlattenType(paramType),
(fromType, toType) => TypeSemantics.IsPromotableTo(fromType, toType),
(fromType, toType) => TypeSemantics.IsStructurallyEqual(fromType, toType),
isGroupAggregateFunction,
out isAmbiguous));
}
internal static EdmFunction ResolveFunctionOverloads(
IList <EdmFunction> functionsMetadata,
IList <TypeUsage> argTypes,
bool isGroupAggregateFunction,
out bool isAmbiguous)
{
return(FunctionOverloadResolver.ResolveFunctionOverloads <EdmFunction, FunctionParameter>(functionsMetadata, argTypes, (Func <EdmFunction, IList <FunctionParameter> >)(edmFunction => (IList <FunctionParameter>)edmFunction.Parameters), (Func <FunctionParameter, TypeUsage>)(functionParameter => functionParameter.TypeUsage), (Func <FunctionParameter, ParameterMode>)(functionParameter => functionParameter.Mode), (Func <TypeUsage, IEnumerable <TypeUsage> >)(argType => TypeSemantics.FlattenType(argType)), (Func <TypeUsage, TypeUsage, IEnumerable <TypeUsage> >)((paramType, argType) => TypeSemantics.FlattenType(paramType)), (Func <TypeUsage, TypeUsage, bool>)((fromType, toType) => TypeSemantics.IsPromotableTo(fromType, toType)), (Func <TypeUsage, TypeUsage, bool>)((fromType, toType) => TypeSemantics.IsStructurallyEqual(fromType, toType)), isGroupAggregateFunction, out isAmbiguous));
}
private static IEnumerable <TypeUsage> UntypedNullAwareFlattenParameterType(TypeUsage paramType, TypeUsage argType)
{
return(argType != null?TypeSemantics.FlattenType(paramType) : new[] { paramType });
}