/// <summary>
/// Initializes a new instance of the <see cref="ArrayMemberDescriptor"/> class.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="isSetter">if set to <c>true</c> is a setter indexer.</param>
/// <param name="indexerParams">The indexer parameters.</param>
public ArrayMemberDescriptor(string name, bool isSetter, ParameterDescriptor[] indexerParams)
: base(
name,
isSetter ? (Func<object, ScriptExecutionContext, CallbackArguments, object>)ArrayIndexerSet : (Func<object, ScriptExecutionContext, CallbackArguments, object>)ArrayIndexerGet,
indexerParams)
{
m_IsSetter = isSetter;
}
/// <summary>
/// Initializes a new instance of the <see cref="MethodMemberDescriptor"/> class.
/// </summary>
/// <param name="methodBase">The MethodBase (MethodInfo or ConstructorInfo) got through reflection.</param>
/// <param name="accessMode">The interop access mode.</param>
/// <exception cref="System.ArgumentException">Invalid accessMode</exception>
public MethodMemberDescriptor(MethodBase methodBase, InteropAccessMode accessMode = InteropAccessMode.Default)
{
CheckMethodIsCompatible(methodBase, true);
IsConstructor = (methodBase is ConstructorInfo);
this.MethodInfo = methodBase;
bool isStatic = methodBase.IsStatic || IsConstructor;
if (IsConstructor)
m_IsAction = false;
else
m_IsAction = ((MethodInfo)methodBase).ReturnType == typeof(void);
ParameterInfo[] reflectionParams = methodBase.GetParameters();
ParameterDescriptor[] parameters;
if (this.MethodInfo.DeclaringType.IsArray)
{
m_IsArrayCtor = true;
int rank = this.MethodInfo.DeclaringType.GetArrayRank();
parameters = new ParameterDescriptor[rank];
for (int i = 0; i < rank; i++)
parameters[i] = new ParameterDescriptor("idx" + i.ToString(), typeof(int));
}
else
{
parameters = reflectionParams.Select(pi => new ParameterDescriptor(pi)).ToArray();
}
bool isExtensionMethod = (methodBase.IsStatic && parameters.Length > 0 && methodBase.GetCustomAttributes(typeof(ExtensionAttribute), false).Any());
base.Initialize(methodBase.Name, isStatic, parameters, isExtensionMethod);
// adjust access mode
if (Script.GlobalOptions.Platform.IsRunningOnAOT())
accessMode = InteropAccessMode.Reflection;
if (accessMode == InteropAccessMode.Default)
accessMode = UserData.DefaultAccessMode;
if (accessMode == InteropAccessMode.HideMembers)
throw new ArgumentException("Invalid accessMode");
if (parameters.Any(p => p.Type.IsByRef))
accessMode = InteropAccessMode.Reflection;
this.AccessMode = accessMode;
if (AccessMode == InteropAccessMode.Preoptimized)
((IOptimizableDescriptor)this).Optimize();
}
/// <summary>
/// Initializes a new instance of the
/// <see cref="MethodMemberDescriptor" /> class
/// representing the default empty ctor for a value type.
/// </summary>
/// <param name="valueType">Type of the value.</param>
/// <exception cref="System.ArgumentException">valueType is not a value type</exception>
public ValueTypeDefaultCtorMemberDescriptor(Type valueType)
{
if (!valueType.IsValueType)
throw new ArgumentException("valueType is not a value type");
Name = "__new";
Parameters = new ParameterDescriptor[0];
ValueTypeDefaultCtor = valueType;
}
/// <summary>
/// Initializes this instance.
/// This *MUST* be called by the constructors extending this class to complete initialization.
/// </summary>
/// <param name="funcName">Name of the function.</param>
/// <param name="isStatic">if set to <c>true</c> [is static].</param>
/// <param name="parameters">The parameters.</param>
/// <param name="isExtensionMethod">if set to <c>true</c> [is extension method].</param>
protected void Initialize(string funcName, bool isStatic, ParameterDescriptor[] parameters, bool isExtensionMethod)
{
this.Name = funcName;
this.IsStatic = isStatic;
this.Parameters = parameters;
if (isExtensionMethod)
this.ExtensionMethodType = Parameters[0].Type;
if (Parameters.Length > 0 && Parameters[Parameters.Length - 1].IsVarArgs)
{
VarArgsArrayType = Parameters[Parameters.Length - 1].Type;
VarArgsElementType = Parameters[Parameters.Length - 1].Type.GetElementType();
}
SortDiscriminant = string.Join(":", Parameters.Select(pi => pi.Type.FullName).ToArray());
}
/// <summary>
/// Fills the member list.
/// </summary>
private void FillMemberList()
{
HashSet<string> membersToIgnore = new HashSet<string>(
this.Type
.GetCustomAttributes(typeof(MoonSharpHideMemberAttribute), true)
.OfType<MoonSharpHideMemberAttribute>()
.Select(a => a.MemberName)
);
Type type = this.Type;
var accessMode = this.AccessMode;
if (AccessMode == InteropAccessMode.HideMembers)
return;
// add declared constructors
foreach (ConstructorInfo ci in type.GetConstructors(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static))
{
if (membersToIgnore.Contains("__new"))
continue;
AddMember("__new", MethodMemberDescriptor.TryCreateIfVisible(ci, this.AccessMode));
}
// valuetypes don't reflect their empty ctor.. actually empty ctors are a perversion, we don't care and implement ours
if (type.IsValueType && !membersToIgnore.Contains("__new"))
AddMember("__new", new ValueTypeDefaultCtorMemberDescriptor(type));
// add methods to method list and metamethods
foreach (MethodInfo mi in type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static))
{
if (membersToIgnore.Contains(mi.Name)) continue;
MethodMemberDescriptor md = MethodMemberDescriptor.TryCreateIfVisible(mi, this.AccessMode);
if (md != null)
{
if (!MethodMemberDescriptor.CheckMethodIsCompatible(mi, false))
continue;
// transform explicit/implicit conversions to a friendlier name.
string name = mi.Name;
if (mi.IsSpecialName && (mi.Name == SPECIALNAME_CAST_EXPLICIT || mi.Name == SPECIALNAME_CAST_IMPLICIT))
{
name = mi.ReturnType.GetConversionMethodName();
}
AddMember(name, md);
foreach (string metaname in mi.GetMetaNamesFromAttributes())
{
AddMetaMember(metaname, md);
}
}
}
// get properties
foreach (PropertyInfo pi in type.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static))
{
if (pi.IsSpecialName || pi.GetIndexParameters().Any() || membersToIgnore.Contains(pi.Name))
continue;
AddMember(pi.Name, PropertyMemberDescriptor.TryCreateIfVisible(pi, this.AccessMode));
}
// get fields
foreach (FieldInfo fi in type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static))
{
if (fi.IsSpecialName || membersToIgnore.Contains(fi.Name))
continue;
AddMember(fi.Name, FieldMemberDescriptor.TryCreateIfVisible(fi, this.AccessMode));
}
// get events
foreach (EventInfo ei in type.GetEvents(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static))
{
if (ei.IsSpecialName || membersToIgnore.Contains(ei.Name))
continue;
AddMember(ei.Name, EventMemberDescriptor.TryCreateIfVisible(ei, this.AccessMode));
}
// get nested types and create statics
foreach (Type nestedType in type.GetNestedTypes(BindingFlags.NonPublic | BindingFlags.Public))
{
if (membersToIgnore.Contains(nestedType.Name))
continue;
if (!nestedType.IsGenericTypeDefinition)
{
if (nestedType.IsNestedPublic || nestedType.GetCustomAttributes(typeof(MoonSharpUserDataAttribute), true).Length > 0)
{
var descr = UserData.RegisterType(nestedType, this.AccessMode);
if (descr != null)
AddDynValue(nestedType.Name, UserData.CreateStatic(nestedType));
}
}
}
if (!membersToIgnore.Contains("[this]"))
{
if (Type.IsArray)
{
int rank = Type.GetArrayRank();
ParameterDescriptor[] get_pars = new ParameterDescriptor[rank];
ParameterDescriptor[] set_pars = new ParameterDescriptor[rank + 1];
for (int i = 0; i < rank; i++)
get_pars[i] = set_pars[i] = new ParameterDescriptor("idx" + i.ToString(), typeof(int));
set_pars[rank] = new ParameterDescriptor("value", Type.GetElementType());
AddMember(SPECIALNAME_INDEXER_SET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_SET, true, set_pars));
AddMember(SPECIALNAME_INDEXER_GET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_GET, false, get_pars));
}
else if (Type == typeof(Array))
{
AddMember(SPECIALNAME_INDEXER_SET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_SET, true));
AddMember(SPECIALNAME_INDEXER_GET, new ArrayMemberDescriptor(SPECIALNAME_INDEXER_GET, false));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ObjectCallbackMemberDescriptor"/> class.
/// Members defined with this constructor will support overload resolution.
/// </summary>
/// <param name="funcName">Name of the function.</param>
/// <param name="callBack">The call back.</param>
/// <param name="parameters">The parameters.</param>
public ObjectCallbackMemberDescriptor(string funcName, Func<object, ScriptExecutionContext, CallbackArguments, object> callBack, ParameterDescriptor[] parameters)
{
m_CallbackFunc = callBack;
Initialize(funcName, false, parameters, false);
}