/// <summary>
/// Initializes a new instance of the <see cref="MethodBuilderHelper"/> class with the specified parameters.
/// </summary>
/// <param name="typeBuilder">Associated <see cref="TypeBuilderHelper"/>.</param>
/// <param name="methodBuilder">A <see cref="MethodBuilder"/></param>
/// <param name="genericArguments">Generic arguments of the method.</param>
/// <param name="returnType">The return type of the method.</param>
/// <param name="parameterTypes">The types of the parameters of the method.</param>
internal MethodBuilderHelper(
TypeBuilderHelper typeBuilder,
MethodBuilder methodBuilder,
Type[] genericArguments,
Type returnType,
Type[] parameterTypes
)
: base(typeBuilder)
{
MethodBuilder = methodBuilder;
var genArgNames = genericArguments.Select(t => t.Name).ToArray();
var genParams = methodBuilder.DefineGenericParameters(genArgNames);
// Copy parameter constraints.
//
List <Type>?interfaceConstraints = null;
for (var i = 0; i < genParams.Length; i++)
{
genParams[i].SetGenericParameterAttributes(genericArguments[i].GenericParameterAttributes);
foreach (var constraint in genericArguments[i].GetGenericParameterConstraints())
{
if (constraint.IsClass)
{
genParams[i].SetBaseTypeConstraint(constraint);
}
else
{
if (interfaceConstraints == null)
{
interfaceConstraints = new List <Type>();
}
interfaceConstraints.Add(constraint);
}
}
if (interfaceConstraints != null && interfaceConstraints.Count != 0)
{
genParams[i].SetInterfaceConstraints(interfaceConstraints.ToArray());
interfaceConstraints.Clear();
}
}
// When a method contains a generic parameter we need to replace all
// generic types from methodInfoDeclaration with local ones.
//
for (var i = 0; i < parameterTypes.Length; i++)
{
parameterTypes[i] = TranslateGenericParameters(parameterTypes[i], genParams);
}
methodBuilder.SetParameters(parameterTypes);
methodBuilder.SetReturnType(TranslateGenericParameters(returnType, genParams));
// Once all generic stuff is done is it is safe to call SetCustomAttribute
//
methodBuilder.SetCustomAttribute(Type.Assembly.ReflectionExtensionsAttribute);
}
/// <summary>
/// Initializes a new instance of the <see cref="ConstructorBuilder"/> class
/// with the specified parameters.
/// </summary>
/// <param name="typeBuilder">Associated <see cref="TypeBuilderHelper"/>.</param>
/// <param name="constructorBuilder">A <see cref="ConstructorBuilder"/></param>
public ConstructorBuilderHelper(TypeBuilderHelper typeBuilder, ConstructorBuilder constructorBuilder)
: base(typeBuilder)
{
ConstructorBuilder = constructorBuilder;
ConstructorBuilder.SetCustomAttribute(Type.Assembly.ReflectionExtensionsAttribute);
}
/// <summary>
/// Initializes a new instance of the <see cref="MethodBuilderHelper"/> class
/// with the specified parameters.
/// </summary>
/// <param name="typeBuilder">Associated <see cref="TypeBuilderHelper"/>.</param>
/// <param name="methodBuilder">A <see cref="MethodBuilder"/></param>
public MethodBuilderHelper(TypeBuilderHelper typeBuilder, MethodBuilder methodBuilder)
: base(typeBuilder)
{
MethodBuilder = methodBuilder;
methodBuilder.SetCustomAttribute(Type.Assembly.ReflectionExtensionsAttribute);
}
/// <summary>
/// Initializes a new instance of the <see cref="MethodBuilderHelper"/> class
/// with the specified parameters.
/// </summary>
/// <param name="typeBuilder">Associated <see cref="TypeBuilderHelper"/>.</param>
protected MethodBuilderBase([NotNull] TypeBuilderHelper typeBuilder)
{
Type = typeBuilder ?? throw new ArgumentNullException(nameof(typeBuilder));
}