public static bool IsGenericTaskOf([CanBeNull] this IType taskType, [CanBeNull] IType otherType)
{
if (taskType == null || otherType == null)
{
return(false);
}
if (!taskType.IsGenericTask())
{
return(false);
}
var taskDeclaredType = taskType as IDeclaredType;
if (taskDeclaredType == null)
{
return(false);
}
var substitution = taskDeclaredType.GetSubstitution();
if (substitution.IsEmpty())
{
return(false);
}
var meaningType = substitution.Apply(substitution.Domain[0]);
return(meaningType.IsEquals(otherType));
}
public static bool IsTaskOf([CanBeNull] this IType type, [CanBeNull] IType otherType)
{
if (type.IsTask() && otherType.IsVoid())
{
return(true);
}
return(type.IsGenericTaskOf(otherType));
}
private static bool IsEqualTypeGroup([NotNull] IType sourceType, [NotNull] IType targetType)
{
if (sourceType is IDeclaredType && targetType is IDeclaredType || sourceType is IArrayType && targetType is IArrayType)
{
return(true);
}
if (sourceType is IPointerType)
{
return(targetType is IPointerType);
}
return(false);
}
public static bool IsFunc([CanBeNull] this IType type)
{
var declaredType = type as IDeclaredType;
if (declaredType == null)
{
return(false);
}
var clrTypeName = declaredType.GetClrName();
return(clrTypeName.Equals(PredefinedType.FUNC_FQN) || clrTypeName.FullName.StartsWith(PredefinedType.FUNC_FQN + "`"));
}
public static bool IsGenericTaskOf([CanBeNull] this IType type, [CanBeNull] IType otherType)
{
if (type == null || otherType == null)
{
return(false);
}
if (!type.IsGenericTask())
{
return(false);
}
var meaningType = type.GetFirstGenericType();
return(meaningType != null && meaningType.IsEquals(otherType));
}
public static IType GetFirstGenericType(this IType type)
{
var taskDeclaredType = type as IDeclaredType;
if (taskDeclaredType == null)
{
return(null);
}
var substitution = taskDeclaredType.GetSubstitution();
if (substitution.IsEmpty())
{
return(null);
}
return(substitution.Apply(substitution.Domain[0]));
}
public static bool IsEquals([NotNull] this IType type, [NotNull] IType otherType)
{
if (!type.IsOpenType && !otherType.IsOpenType)
{
return(Equals(type, otherType));
}
if (!IsEqualTypeGroup(type, otherType))
{
return(false);
}
var scalarType = type.GetScalarType();
var otherScalarType = otherType.GetScalarType();
if (scalarType == null || otherScalarType == null)
{
return(false);
}
if (scalarType.Classify != otherScalarType.Classify)
{
return(false);
}
var typeElement1 = scalarType.GetTypeElement();
var typeElement2 = otherScalarType.GetTypeElement();
if (typeElement1 == null || typeElement2 == null)
{
return(false);
}
var typeParameter1 = typeElement1 as ITypeParameter;
var typeParameter2 = typeElement2 as ITypeParameter;
if (typeParameter1 != null && typeParameter2 != null)
{
if (typeParameter1.HasDefaultConstructor != typeParameter2.HasDefaultConstructor ||
typeParameter1.TypeConstraints.Count != typeParameter2.TypeConstraints.Count)
{
return(false);
}
if (typeParameter1.TypeConstraints.Where((t, i) => !t.IsEquals(typeParameter2.TypeConstraints[i])).Any())
{
return(false);
}
}
return(EqualSubstitutions(typeElement1, scalarType.GetSubstitution(), typeElement2, otherScalarType.GetSubstitution()));
}
public static bool IsAsyncDelegate([NotNull] this IType type, [NotNull] IType otherType)
{
if (type.IsAction() && otherType.IsFunc())
{
var parameterDeclaredType = otherType as IDeclaredType;
var substitution = parameterDeclaredType?.GetSubstitution();
if (substitution?.Domain.Count != 1)
{
return(false);
}
var valuableType = substitution.Apply(substitution.Domain[0]);
return(valuableType.IsTask());
}
if (type.IsFunc() && otherType.IsFunc())
{
var parameterDeclaredType = otherType as IDeclaredType;
var originalParameterDeclaredType = type as IDeclaredType;
var substitution = parameterDeclaredType?.GetSubstitution();
var originalSubstitution = originalParameterDeclaredType?.GetSubstitution();
if (substitution == null || substitution.Domain.Count != originalSubstitution?.Domain.Count)
{
return(false);
}
var i = 0;
for (; i < substitution.Domain.Count - 1; i++)
{
var genericType = substitution.Apply(substitution.Domain[i]);
var originalGenericType = originalSubstitution.Apply(originalSubstitution.Domain[i]);
if (!genericType.Equals(originalGenericType))
{
return(false);
}
}
var returnType = substitution.Apply(substitution.Domain[i]);
var originalReturnType = originalSubstitution.Apply(originalSubstitution.Domain[i]);
return(returnType.IsGenericTaskOf(originalReturnType));
}
return(false);
}
public static bool IsGenericIQueryable([CanBeNull] this IType type)
{
var declaredType = type as IDeclaredType;
return(declaredType != null && IsPredefinedTypeElement(declaredType.GetTypeElement(), PredefinedType.GENERIC_IQUERYABLE_FQN));
}
public static bool IsGenericIQueryable([CanBeNull] this IType type)
{
return(TypesUtil.IsPredefinedTypeFromAssembly(type, PredefinedType.GENERIC_IQUERYABLE_FQN, assembly => assembly.IsMscorlib));
}