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Imported Upstream version 6.4.0.137
Former-commit-id: 943baa9f16a098c33e129777827f3a9d20da00d6
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#nullable disable
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using System.Collections.Generic;
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using System.Globalization;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Diagnostics;
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namespace System.Reflection
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{
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abstract class RtFieldInfo : FieldInfo
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{
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internal abstract object UnsafeGetValue (object obj);
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internal abstract void UnsafeSetValue (Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture);
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internal abstract void CheckConsistency(Object target);
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}
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[StructLayout (LayoutKind.Sequential)]
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class RuntimeFieldInfo : RtFieldInfo
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{
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#pragma warning disable 649
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internal IntPtr klass;
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internal RuntimeFieldHandle fhandle;
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string name;
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Type type;
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FieldAttributes attrs;
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#pragma warning restore 649
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internal BindingFlags BindingFlags {
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get {
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return 0;
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}
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}
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public override Module Module {
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get {
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return GetRuntimeModule ();
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}
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}
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internal RuntimeType GetDeclaringTypeInternal ()
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{
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return (RuntimeType) DeclaringType;
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}
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RuntimeType ReflectedTypeInternal {
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get {
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return (RuntimeType) ReflectedType;
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}
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}
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internal RuntimeModule GetRuntimeModule ()
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{
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return GetDeclaringTypeInternal ().GetRuntimeModule ();
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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internal override extern object UnsafeGetValue (object obj);
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internal override void CheckConsistency(Object target)
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{
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// only test instance fields
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if ((Attributes & FieldAttributes.Static) != FieldAttributes.Static)
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{
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if (!DeclaringType.IsInstanceOfType(target))
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{
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if (target == null)
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{
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throw new TargetException(Environment.GetResourceString("RFLCT.Targ_StatFldReqTarg"));
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}
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else
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{
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throw new ArgumentException(
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String.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString("Arg_FieldDeclTarget"),
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Name, DeclaringType, target.GetType()));
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}
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}
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}
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}
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[DebuggerStepThroughAttribute]
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[Diagnostics.DebuggerHidden]
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internal override void UnsafeSetValue (Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
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{
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bool domainInitialized = false;
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RuntimeFieldHandle.SetValue (this, obj, value, null, Attributes, null, ref domainInitialized);
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}
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[DebuggerStepThroughAttribute]
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[Diagnostics.DebuggerHidden]
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public override void SetValueDirect(TypedReference obj, Object value)
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{
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if (obj.IsNull)
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throw new ArgumentException(Environment.GetResourceString("Arg_TypedReference_Null"));
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unsafe
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{
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// Passing TypedReference by reference is easier to make correct in native code
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RuntimeFieldHandle.SetValueDirect(this, (RuntimeType)FieldType, &obj, value, (RuntimeType)DeclaringType);
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}
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}
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[DebuggerStepThroughAttribute]
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[Diagnostics.DebuggerHidden]
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public override Object GetValueDirect(TypedReference obj)
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{
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if (obj.IsNull)
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throw new ArgumentException(Environment.GetResourceString("Arg_TypedReference_Null"));
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unsafe
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{
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// Passing TypedReference by reference is easier to make correct in native code
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return RuntimeFieldHandle.GetValueDirect(this, (RuntimeType)FieldType, &obj, (RuntimeType)DeclaringType);
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}
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}
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public override FieldAttributes Attributes {
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get {
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return attrs;
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}
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}
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public override RuntimeFieldHandle FieldHandle {
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get {
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return fhandle;
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}
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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extern Type ResolveType ();
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public override Type FieldType {
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get {
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if (type == null)
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type = ResolveType ();
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return type;
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}
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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private extern Type GetParentType (bool declaring);
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public override Type ReflectedType {
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get {
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return GetParentType (false);
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}
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}
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public override Type DeclaringType {
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get {
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return GetParentType (true);
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}
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}
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public override string Name {
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get {
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return name;
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}
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}
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public override bool IsDefined (Type attributeType, bool inherit) {
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return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
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}
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public override object[] GetCustomAttributes( bool inherit) {
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return MonoCustomAttrs.GetCustomAttributes (this, inherit);
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}
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public override object[] GetCustomAttributes( Type attributeType, bool inherit) {
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return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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internal override extern int GetFieldOffset ();
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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private extern object GetValueInternal (object obj);
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public override object GetValue (object obj)
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{
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if (!IsStatic) {
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if (obj == null)
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throw new TargetException ("Non-static field requires a target");
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if (!DeclaringType.IsAssignableFrom (obj.GetType ()))
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throw new ArgumentException (string.Format (
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"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
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Name, DeclaringType, obj.GetType ()),
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"obj");
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}
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if (!IsLiteral)
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CheckGeneric ();
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return GetValueInternal (obj);
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}
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public override string ToString () {
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return String.Format ("{0} {1}", FieldType, name);
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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private static extern void SetValueInternal (FieldInfo fi, object obj, object value);
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public override void SetValue (object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
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{
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if (!IsStatic) {
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if (obj == null)
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throw new TargetException ("Non-static field requires a target");
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if (!DeclaringType.IsAssignableFrom (obj.GetType ()))
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throw new ArgumentException (string.Format (
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"Field {0} defined on type {1} is not a field on the target object which is of type {2}.",
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Name, DeclaringType, obj.GetType ()),
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"obj");
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}
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if (IsLiteral)
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throw new FieldAccessException ("Cannot set a constant field");
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if (binder == null)
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binder = Type.DefaultBinder;
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CheckGeneric ();
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if (val != null) {
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RuntimeType fieldType = (RuntimeType) FieldType;
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val = fieldType.CheckValue (val, binder, culture, invokeAttr);
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}
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SetValueInternal (this, obj, val);
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}
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internal RuntimeFieldInfo Clone (string newName)
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{
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RuntimeFieldInfo field = new RuntimeFieldInfo ();
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field.name = newName;
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field.type = type;
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field.attrs = attrs;
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field.klass = klass;
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field.fhandle = fhandle;
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return field;
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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public override extern object GetRawConstantValue ();
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public override IList<CustomAttributeData> GetCustomAttributesData () {
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return CustomAttributeData.GetCustomAttributes (this);
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}
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void CheckGeneric () {
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if (DeclaringType.ContainsGenericParameters)
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throw new InvalidOperationException ("Late bound operations cannot be performed on fields with types for which Type.ContainsGenericParameters is true.");
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}
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public sealed override bool HasSameMetadataDefinitionAs (MemberInfo other) => HasSameMetadataDefinitionAsCore<RuntimeFieldInfo> (other);
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public override int MetadataToken {
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get {
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return get_metadata_token (this);
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}
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}
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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internal static extern int get_metadata_token (RuntimeFieldInfo monoField);
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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extern Type[] GetTypeModifiers (bool optional);
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public override Type[] GetOptionalCustomModifiers () => GetCustomModifiers (true);
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public override Type[] GetRequiredCustomModifiers () => GetCustomModifiers (false);
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private Type[] GetCustomModifiers (bool optional) => GetTypeModifiers (optional) ?? Type.EmptyTypes;
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}
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}
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