abstract public class FieldBase : MemberBase
{
public FieldBuilder FieldBuilder;
+ protected FieldSpec spec;
public Status status;
protected Expression initializer;
}
}
- public override void ApplyAttributeBuilder (Attribute a, CustomAttributeBuilder cb, PredefinedAttributes pa)
+ public override void ApplyAttributeBuilder (Attribute a, MethodSpec ctor, byte[] cdata, PredefinedAttributes pa)
{
if (a.Type == pa.FieldOffset) {
status |= Status.HAS_OFFSET;
return;
}
- FieldBuilder.SetCustomAttribute (cb);
+ FieldBuilder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), cdata);
}
protected override bool CheckBase ()
{
if (!base.CheckBase ())
return false;
-
- MemberInfo conflict_symbol = Parent.PartialContainer.FindBaseMemberWithSameName (Name, false);
+
+ MemberSpec candidate;
+ var conflict_symbol = MemberCache.FindBaseMember (this, out candidate);
+ if (conflict_symbol == null)
+ conflict_symbol = candidate;
+
if (conflict_symbol == null) {
if ((ModFlags & Modifiers.NEW) != 0) {
- Report.Warning (109, 4, Location, "The member `{0}' does not hide an inherited member. The new keyword is not required", GetSignatureForError ());
+ Report.Warning (109, 4, Location, "The member `{0}' does not hide an inherited member. The new keyword is not required",
+ GetSignatureForError ());
}
- return true;
- }
-
- if ((ModFlags & (Modifiers.NEW | Modifiers.OVERRIDE | Modifiers.BACKING_FIELD)) == 0) {
- Report.SymbolRelatedToPreviousError (conflict_symbol);
- Report.Warning (108, 2, Location, "`{0}' hides inherited member `{1}'. Use the new keyword if hiding was intended",
- GetSignatureForError (), TypeManager.GetFullNameSignature (conflict_symbol));
+ } else {
+ if ((ModFlags & (Modifiers.NEW | Modifiers.OVERRIDE | Modifiers.BACKING_FIELD)) == 0) {
+ Report.SymbolRelatedToPreviousError (conflict_symbol);
+ Report.Warning (108, 2, Location, "`{0}' hides inherited member `{1}'. Use the new keyword if hiding was intended",
+ GetSignatureForError (), conflict_symbol.GetSignatureForError ());
+ }
+
+ if (conflict_symbol.IsAbstract) {
+ Report.SymbolRelatedToPreviousError (conflict_symbol);
+ Report.Error (533, Location, "`{0}' hides inherited abstract member `{1}'",
+ GetSignatureForError (), conflict_symbol.GetSignatureForError ());
+ }
}
return true;
}
+ public virtual Constant ConvertInitializer (ResolveContext rc, Constant expr)
+ {
+ return expr.ConvertImplicitly (rc, MemberType);
+ }
+
protected override void DoMemberTypeDependentChecks ()
{
base.DoMemberTypeDependentChecks ();
- if (TypeManager.IsGenericParameter (MemberType))
+ if (MemberType.IsGenericParameter)
return;
- if (MemberType.IsSealed && MemberType.IsAbstract) {
+ if (MemberType.IsStatic)
Error_VariableOfStaticClass (Location, GetSignatureForError (), MemberType, Report);
- }
CheckBase ();
IsTypePermitted ();
public override void Emit ()
{
- if (TypeManager.IsDynamicType (member_type)) {
+ if (member_type == InternalType.Dynamic) {
PredefinedAttributes.Get.Dynamic.EmitAttribute (FieldBuilder);
} else {
var trans_flags = TypeManager.HasDynamicTypeUsed (member_type);
if (trans_flags != null) {
var pa = PredefinedAttributes.Get.DynamicTransform;
- if (pa.Constructor != null || pa.ResolveConstructor (Location, TypeManager.bool_type.MakeArrayType ())) {
+ if (pa.Constructor != null || pa.ResolveConstructor (Location, ArrayContainer.MakeType (TypeManager.bool_type, 1))) {
FieldBuilder.SetCustomAttribute (new CustomAttributeBuilder (pa.Constructor, new object[] { trans_flags }));
}
}
base.Emit ();
}
- public static void Error_VariableOfStaticClass (Location loc, string variable_name, Type static_class, Report Report)
+ public static void Error_VariableOfStaticClass (Location loc, string variable_name, TypeSpec static_class, Report Report)
{
Report.SymbolRelatedToPreviousError (static_class);
Report.Error (723, loc, "`{0}': cannot declare variables of static types",
}
public Expression Initializer {
+ get {
+ return initializer;
+ }
set {
if (value != null) {
this.initializer = value;
}
}
- protected virtual bool IsFieldClsCompliant {
- get {
- if (FieldBuilder == null)
- return true;
-
- return AttributeTester.IsClsCompliant (FieldBuilder.FieldType);
- }
+ public FieldSpec Spec {
+ get { return spec; }
}
public override string[] ValidAttributeTargets
if (!base.VerifyClsCompliance ())
return false;
- if (!IsFieldClsCompliant) {
+ if (!MemberType.IsCLSCompliant () || this is FixedField) {
Report.Warning (3003, 1, Location, "Type of `{0}' is not CLS-compliant",
GetSignatureForError ());
}
return true;
}
-
- public void SetAssigned ()
- {
- caching_flags |= Flags.IsAssigned;
- }
}
- interface IFixedBuffer
- {
- FieldInfo Element { get; }
- Type ElementType { get; }
- }
-
- public class FixedFieldExternal: IFixedBuffer
+ //
+ // Field specification
+ //
+ public class FieldSpec : MemberSpec, IInterfaceMemberSpec
{
- FieldInfo element_field;
+ FieldInfo metaInfo;
+ TypeSpec memberType;
- public FixedFieldExternal (FieldInfo fi)
+ public FieldSpec (TypeSpec declaringType, IMemberDefinition definition, TypeSpec memberType, FieldInfo info, Modifiers modifiers)
+ : base (MemberKind.Field, declaringType, definition, modifiers)
{
- element_field = fi.FieldType.GetField (FixedField.FixedElementName);
+ this.metaInfo = info;
+ this.memberType = memberType;
}
- #region IFixedField Members
+#region Properties
- public FieldInfo Element {
+ public bool IsReadOnly {
get {
- return element_field;
+ return (Modifiers & Modifiers.READONLY) != 0;
}
}
- public Type ElementType {
+ public TypeSpec MemberType {
get {
- return element_field.FieldType;
+ return memberType;
+ }
+ }
+
+#endregion
+
+ public FieldInfo GetMetaInfo ()
+ {
+ if ((state & StateFlags.PendingMetaInflate) != 0) {
+ var decl_meta = DeclaringType.GetMetaInfo ();
+ if (DeclaringType.IsTypeBuilder) {
+ metaInfo = TypeBuilder.GetField (decl_meta, metaInfo);
+ } else {
+ var orig_token = metaInfo.MetadataToken;
+ metaInfo = decl_meta.GetField (Name);
+ if (metaInfo.MetadataToken != orig_token)
+ throw new NotImplementedException ("Resolved to wrong meta token");
+
+ // What a stupid API, does not work because field handle is imported
+ // metaInfo = FieldInfo.GetFieldFromHandle (metaInfo.FieldHandle, DeclaringType.MetaInfo.TypeHandle);
+ }
+
+ state &= ~StateFlags.PendingMetaInflate;
}
+
+ return metaInfo;
+ }
+
+ public override MemberSpec InflateMember (TypeParameterInflator inflator)
+ {
+ var fs = (FieldSpec) base.InflateMember (inflator);
+ fs.memberType = inflator.Inflate (memberType);
+ return fs;
}
- #endregion
+ public FieldSpec Mutate (TypeParameterMutator mutator)
+ {
+ var decl = DeclaringType;
+ if (DeclaringType.IsGenericOrParentIsGeneric)
+ decl = mutator.Mutate (decl);
+
+ if (decl == DeclaringType)
+ return this;
+
+ var fs = (FieldSpec) MemberwiseClone ();
+ fs.declaringType = decl;
+ fs.state |= StateFlags.PendingMetaInflate;
+
+ // Gets back FieldInfo in case of metaInfo was inflated
+ fs.metaInfo = MemberCache.GetMember (DeclaringType.GetDefinition (), this).metaInfo;
+ return fs;
+ }
}
/// <summary>
/// Fixed buffer implementation
/// </summary>
- public class FixedField : FieldBase, IFixedBuffer
+ public class FixedField : FieldBase
{
public const string FixedElementName = "FixedElementField";
static int GlobalCounter = 0;
static FieldInfo[] fi;
TypeBuilder fixed_buffer_type;
- FieldBuilder element;
- Expression size_expr;
const Modifiers AllowedModifiers =
Modifiers.NEW |
Expression size_expr, Attributes attrs, Location loc):
base (parent, type, mod, AllowedModifiers, new MemberName (name, loc), attrs)
{
- if (RootContext.Version < LanguageVersion.ISO_2)
- Report.FeatureIsNotAvailable (loc, "fixed size buffers");
+ initializer = new ConstInitializer (this, size_expr);
+ }
- this.size_expr = size_expr;
+ public override Constant ConvertInitializer (ResolveContext rc, Constant expr)
+ {
+ return expr.ImplicitConversionRequired (rc, TypeManager.int32_type, Location);
}
- public override bool Define()
+ public override bool Define ()
{
if (!base.Define ())
return false;
if (!TypeManager.IsPrimitiveType (MemberType)) {
- Report.Error (1663, Location, "`{0}': Fixed size buffers type must be one of the following: bool, byte, short, int, long, char, sbyte, ushort, uint, ulong, float or double",
+ Report.Error (1663, Location,
+ "`{0}': Fixed size buffers type must be one of the following: bool, byte, short, int, long, char, sbyte, ushort, uint, ulong, float or double",
GetSignatureForError ());
}
// Create nested fixed buffer container
string name = String.Format ("<{0}>__FixedBuffer{1}", Name, GlobalCounter++);
fixed_buffer_type = Parent.TypeBuilder.DefineNestedType (name, Parent.Module.DefaultCharSetType |
- TypeAttributes.NestedPublic | TypeAttributes.Sealed | TypeAttributes.BeforeFieldInit, TypeManager.value_type);
-
- element = fixed_buffer_type.DefineField (FixedElementName, MemberType, FieldAttributes.Public);
+ TypeAttributes.NestedPublic | TypeAttributes.Sealed | TypeAttributes.BeforeFieldInit, TypeManager.value_type.GetMetaInfo ());
+
+ fixed_buffer_type.DefineField (FixedElementName, MemberType.GetMetaInfo (), FieldAttributes.Public);
RootContext.RegisterCompilerGeneratedType (fixed_buffer_type);
FieldBuilder = Parent.TypeBuilder.DefineField (Name, fixed_buffer_type, ModifiersExtensions.FieldAttr (ModFlags));
- Parent.MemberCache.AddMember (FieldBuilder, this);
- TypeManager.RegisterFieldBase (FieldBuilder, this);
+ var element_spec = new FieldSpec (null, this, MemberType, FieldBuilder, ModFlags);
+ spec = new FixedFieldSpec (Parent.Definition, this, FieldBuilder, element_spec, ModFlags);
+ Parent.MemberCache.AddMember (spec);
return true;
}
if (!IsUnsafe)
Expression.UnsafeError (Report, Location);
- if (Parent.PartialContainer.Kind != Kind.Struct) {
+ if (Parent.PartialContainer.Kind != MemberKind.Struct) {
Report.Error (1642, Location, "`{0}': Fixed size buffer fields may only be members of structs",
GetSignatureForError ());
}
public override void Emit()
{
ResolveContext rc = new ResolveContext (this);
- Constant c = size_expr.ResolveAsConstant (rc, this);
- if (c == null)
- return;
-
- IntConstant buffer_size_const = c.ImplicitConversionRequired (rc, TypeManager.int32_type, Location) as IntConstant;
+ IntConstant buffer_size_const = initializer.Resolve (rc) as IntConstant;
if (buffer_size_const == null)
return;
return;
// TODO: It's not cleared
- if (fi == null)
- fi = new FieldInfo[] { pa.Type.GetField ("Size") };
+ if (fi == null) {
+ var field = (FieldSpec) MemberCache.FindMember (pa.Type, MemberFilter.Field ("Size", null), BindingRestriction.DeclaredOnly);
+ fi = new FieldInfo[] { field.GetMetaInfo () };
+ }
object[] fi_val = new object[] { buffer_size };
cab = new CustomAttributeBuilder (pa.Constructor,
!pa.ResolveConstructor (Location, TypeManager.type_type, TypeManager.int32_type))
return;
- cab = new CustomAttributeBuilder (pa.Constructor, new object[] { MemberType, buffer_size });
+ cab = new CustomAttributeBuilder (pa.Constructor, new object[] { MemberType.GetMetaInfo (), buffer_size });
FieldBuilder.SetCustomAttribute (cab);
}
- protected override bool IsFieldClsCompliant {
- get {
- return false;
- }
- }
-
public void SetCharSet (TypeAttributes ta)
{
TypeAttributes cta = fixed_buffer_type.Attributes;
mi.Invoke (fixed_buffer_type, new object [] { ta });
}
}
+ }
- #region IFixedField Members
+ class FixedFieldSpec : FieldSpec
+ {
+ readonly FieldSpec element;
+
+ public FixedFieldSpec (TypeSpec declaringType, IMemberDefinition definition, FieldInfo info, FieldSpec element, Modifiers modifiers)
+ : base (declaringType, definition, element.MemberType, info, modifiers)
+ {
+ this.element = element;
+
+ // It's never CLS-Compliant
+ state &= ~StateFlags.CLSCompliant_Undetected;
+ }
- public FieldInfo Element {
+ public FieldSpec Element {
get {
return element;
}
}
- public Type ElementType {
+ public TypeSpec ElementType {
get {
return MemberType;
}
}
-
- #endregion
}
//
MemberType == TypeManager.intptr_type || MemberType == TypeManager.uintptr_type)
return true;
- if (TypeManager.IsEnumType (MemberType))
+ if (MemberType.IsEnum)
return true;
return false;
}
- bool CheckStructLayout (Type type, bool isStatic)
- {
- if (TypeManager.IsBuiltinType (type))
- return true;
-
- if (isStatic) {
- if (!TypeManager.IsValueType (type) || TypeManager.IsEqual (type, Parent.TypeBuilder))
- return true;
- }
-
- if (!TypeManager.IsEqual (TypeManager.DropGenericTypeArguments (type), Parent.TypeBuilder)) {
- if (!TypeManager.IsGenericType (type))
- return true;
-
- foreach (Type t in TypeManager.GetTypeArguments (type)) {
- if (!CheckStructLayout (t, false))
- return false;
- }
- return true;
- }
-
- Report.Error (523, Location,
- "Struct member `{0}' of type `{1}' causes a cycle in the struct layout",
- GetSignatureForError (), TypeManager.CSharpName (MemberType));
- return false;
- }
-
public override bool Define ()
{
if (!base.Define ())
if ((ModFlags & Modifiers.VOLATILE) != 0) {
if (TypeManager.isvolatile_type == null)
TypeManager.isvolatile_type = TypeManager.CoreLookupType (Compiler,
- "System.Runtime.CompilerServices", "IsVolatile", Kind.Class, true);
+ "System.Runtime.CompilerServices", "IsVolatile", MemberKind.Class, true);
if (TypeManager.isvolatile_type != null)
- required_modifier = new Type [] { TypeManager.isvolatile_type };
+ required_modifier = new Type[] { TypeManager.isvolatile_type.GetMetaInfo () };
}
FieldBuilder = Parent.TypeBuilder.DefineField (
- Name, MemberType, required_modifier, null, ModifiersExtensions.FieldAttr (ModFlags));
+ Name, member_type.GetMetaInfo (), required_modifier, null, ModifiersExtensions.FieldAttr (ModFlags));
+
+ spec = new FieldSpec (Parent.Definition, this, MemberType, FieldBuilder, ModFlags);
// Don't cache inaccessible fields
if ((ModFlags & Modifiers.BACKING_FIELD) == 0) {
- Parent.MemberCache.AddMember (FieldBuilder, this);
+ Parent.MemberCache.AddMember (spec);
}
-
- TypeManager.RegisterFieldBase (FieldBuilder, this);
}
catch (ArgumentException) {
Report.RuntimeMissingSupport (Location, "`void' or `void*' field type");
if (initializer != null) {
((TypeContainer) Parent).RegisterFieldForInitialization (this,
- new FieldInitializer (FieldBuilder, initializer, this));
- } else {
- if (Parent.PartialContainer.Kind == Kind.Struct)
- CheckStructLayout (member_type, (ModFlags & Modifiers.STATIC) != 0);
+ new FieldInitializer (this, initializer, this));
}
return true;
protected override void DoMemberTypeDependentChecks ()
{
+ if ((ModFlags & Modifiers.BACKING_FIELD) != 0)
+ return;
+
base.DoMemberTypeDependentChecks ();
if ((ModFlags & Modifiers.VOLATILE) != 0) {
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