static public Type ienumerator_type;
static public Type ienumerable_type;
static public Type idisposable_type;
+ static public Type iconvertible_type;
static public Type default_member_type;
static public Type iasyncresult_type;
static public Type asynccallback_type;
static public Type intptr_type;
static public Type monitor_type;
static public Type runtime_field_handle_type;
+ static public Type runtime_argument_handle_type;
static public Type attribute_type;
static public Type attribute_usage_type;
static public Type dllimport_type;
static public Type indexer_name_type;
static public Type exception_type;
static public Type invalid_operation_exception_type;
- static public object obsolete_attribute_type;
- static public object conditional_attribute_type;
+ static public Type obsolete_attribute_type;
+ static public Type conditional_attribute_type;
static public Type in_attribute_type;
+ static public Type cls_compliant_attribute_type;
+ static public Type typed_reference_type;
+ static public Type arg_iterator_type;
+ static public Type mbr_type;
+ static public Type struct_layout_attribute_type;
+ static public Type field_offset_attribute_type;
//
// An empty array of types
static public MethodInfo string_concat_string_string;
static public MethodInfo string_concat_string_string_string;
static public MethodInfo string_concat_string_string_string_string;
+ static public MethodInfo string_concat_string_dot_dot_dot;
static public MethodInfo string_concat_object_object;
+ static public MethodInfo string_concat_object_object_object;
+ static public MethodInfo string_concat_object_dot_dot_dot;
static public MethodInfo string_isinterneted_string;
static public MethodInfo system_type_get_type_from_handle;
static public MethodInfo object_getcurrent_void;
static Hashtable method_internal_params;
// <remarks>
- // Keeps track of attribute types
+ // Keeps track of methods
// </remarks>
- static Hashtable builder_to_attr;
+ static Hashtable builder_to_method;
// <remarks>
- // Keeps track of methods
+ // Contains all public types from referenced assemblies.
+ // This member is used only if CLS Compliance verification is required.
// </remarks>
-
- static Hashtable builder_to_method;
+ public static Hashtable all_imported_types;
struct Signature {
public string name;
method_arguments = null;
indexer_arguments = null;
method_internal_params = null;
- builder_to_attr = null;
builder_to_method = null;
fields = null;
references = null;
negative_hits = null;
- attr_to_allowmult = null;
builder_to_constant = null;
fieldbuilders_to_fields = null;
events = null;
typecontainers = new Hashtable ();
builder_to_declspace = new PtrHashtable ();
- builder_to_attr = new PtrHashtable ();
builder_to_method = new PtrHashtable ();
method_arguments = new PtrHashtable ();
method_internal_params = new PtrHashtable ();
builder_to_declspace.Add (t, i);
}
- public static void AddMethod (MethodBuilder builder, MethodData method)
+
+ public static void AddMethod (MethodBase builder, IMethodData method)
{
builder_to_method.Add (builder, method);
}
- public static void RegisterAttrType (Type t, TypeContainer tc)
+ public static IMethodData GetMethod (MethodBase builder)
{
- builder_to_attr.Add (t, tc);
+ return (IMethodData) builder_to_method [builder];
}
/// <summary>
{
return builder_to_declspace [t] as Enum;
}
-
- public static TypeContainer LookupAttr (Type t)
+
+ public static Class LookupClass (Type t)
{
- return (TypeContainer) builder_to_attr [t];
+ return (Class) builder_to_declspace [t];
}
/// <summary>
/// </summary>
public static void AddAssembly (Assembly a)
{
+ foreach (Assembly assembly in assemblies) {
+ if (a == assembly)
+ return;
+ }
+
int top = assemblies.Length;
Assembly [] n = new Assembly [top + 1];
assemblies = n;
}
+ public static Assembly [] GetAssemblies ()
+ {
+ return assemblies;
+ }
+
/// <summary>
/// Registers a module builder to lookup types from
/// </summary>
modules = n;
}
+ public static Module[] Modules {
+ get {
+ return modules;
+ }
+ }
+
static Hashtable references = new Hashtable ();
//
//
if (ret == null){
if (references [t] == null)
- references [t] = CodeGen.ModuleBuilder.GetType (tname);
+ references [t] = CodeGen.Module.Builder.GetType (tname);
ret = (Type) references [t];
}
//
if (ret == null){
if (pointers [t] == null)
- pointers [t] = CodeGen.ModuleBuilder.GetType (tname);
+ pointers [t] = CodeGen.Module.Builder.GetType (tname);
ret = (Type) pointers [t];
}
Type t = (Type) types [name];
if (t != null)
return t;
-
+
+ if (negative_hits.Contains (name))
+ return null;
+
t = LookupTypeReflection (name);
+
if (t == null)
- return null;
-
- types [name] = t;
+ negative_hits [name] = null;
+ else
+ types [name] = t;
+
return t;
}
}
}
} else {
- foreach (Assembly a in assemblies){
- foreach (Type t in a.GetTypes ()){
+ Hashtable cache = new Hashtable ();
+ cache.Add ("", null);
+ foreach (Assembly a in assemblies) {
+ foreach (Type t in a.GetExportedTypes ()) {
string ns = t.Namespace;
-
- // t.Namespace returns null for <PrivateImplDetails>
- if (ns == ""|| ns == null)
+ if (ns == null || cache.Contains (ns))
continue;
+
Namespace.LookupNamespace (ns, true);
+ cache.Add (ns, null);
}
}
}
}
+ /// <summary>
+ /// Fills static table with exported types from all referenced assemblies.
+ /// This information is required for CLS Compliance tests.
+ /// </summary>
+ public static void LoadAllImportedTypes ()
+ {
+ if (!CodeGen.Assembly.IsClsCompliant)
+ return;
+
+ all_imported_types = new Hashtable ();
+ foreach (Assembly a in assemblies) {
+ foreach (Type t in a.GetExportedTypes ()) {
+ all_imported_types [t.FullName] = t;
+ }
+ }
+ }
+
public static bool NamespaceClash (string name, Location loc)
{
if (Namespace.LookupNamespace (name, false) == null)
}
/// <summary>
- /// Returns the signature of the method
- /// </summary>
- static public string CSharpSignature (MethodBase mb)
- {
- string sig = "(";
+ /// Returns the signature of the method with full namespace classification
+ /// </summary>
+ static public string GetFullNameSignature (MemberInfo mi)
+ {
+ return mi.DeclaringType.FullName.Replace ('+', '.') + '.' + mi.Name;
+ }
+
+ static public string GetFullNameSignature (MethodBase mb)
+ {
+ string name = mb.Name;
+ if (name == ".ctor")
+ name = mb.DeclaringType.Name;
+
+ if (mb.IsSpecialName) {
+ if (name.StartsWith ("get_") || name.StartsWith ("set_")) {
+ name = name.Remove (0, 4);
+ }
+
+ if (name == "Item")
+ name = "this";
+ }
+
+ return mb.DeclaringType.FullName.Replace ('+', '.') + '.' + name;
+ }
+
+ /// <summary>
+ /// Returns the signature of the property and indexer
+ /// </summary>
+ static public string CSharpSignature (PropertyBuilder pb, bool is_indexer)
+ {
+ if (!is_indexer) {
+ return GetFullNameSignature (pb);
+ }
+
+ MethodBase mb = pb.GetSetMethod (true) != null ? pb.GetSetMethod (true) : pb.GetGetMethod (true);
+ string signature = GetFullNameSignature (mb);
+ string arg = TypeManager.LookupParametersByBuilder (mb).ParameterDesc (0);
+ return String.Format ("{0}.this[{1}]", signature.Substring (0, signature.LastIndexOf ('.')), arg);
+ }
+
+ /// <summary>
+ /// Returns the signature of the method
+ /// </summary>
+ static public string CSharpSignature (MethodBase mb)
+ {
+ StringBuilder sig = new StringBuilder ("(");
//
// FIXME: We should really have a single function to do
// everything instead of the following 5 line pattern
//
- ParameterData iparams = LookupParametersByBuilder (mb);
+ ParameterData iparams = LookupParametersByBuilder (mb);
- if (iparams == null){
- ParameterInfo [] pi = mb.GetParameters ();
- iparams = new ReflectionParameters (pi);
- }
+ if (iparams == null)
+ iparams = new ReflectionParameters (mb);
+
+ // Is property
+ if (mb.IsSpecialName && iparams.Count == 0)
+ return GetFullNameSignature (mb);
- for (int i = 0; i < iparams.Count; i++) {
- if (i > 0) {
- sig += ", ";
- }
- sig += iparams.ParameterDesc(i);
- }
- sig += ")";
-
- return mb.DeclaringType.Name + "." + mb.Name + sig;
- }
+ for (int i = 0; i < iparams.Count; i++) {
+ if (i > 0) {
+ sig.Append (", ");
+ }
+ sig.Append (iparams.ParameterDesc (i));
+ }
+ sig.Append (")");
+
+ // Is indexer
+ if (mb.IsSpecialName && iparams.Count == 1) {
+ sig.Replace ('(', '[');
+ sig.Replace (')', ']');
+ }
+
+ return GetFullNameSignature (mb) + sig.ToString ();
+ }
/// <summary>
/// Looks up a type, and aborts if it is not found. This is used
if (t == null){
Report.Error (518, "The predefined type `" + name + "' is not defined or imported");
- Environment.Exit (0);
+ Environment.Exit (1);
}
return t;
type_type = CoreLookupType ("System.Type");
runtime_field_handle_type = CoreLookupType ("System.RuntimeFieldHandle");
+ runtime_argument_handle_type = CoreLookupType ("System.RuntimeArgumentHandle");
runtime_helpers_type = CoreLookupType ("System.Runtime.CompilerServices.RuntimeHelpers");
default_member_type = CoreLookupType ("System.Reflection.DefaultMemberAttribute");
runtime_handle_type = CoreLookupType ("System.RuntimeTypeHandle");
ienumerable_type = CoreLookupType ("System.Collections.IEnumerable");
idisposable_type = CoreLookupType ("System.IDisposable");
icloneable_type = CoreLookupType ("System.ICloneable");
+ iconvertible_type = CoreLookupType ("System.IConvertible");
monitor_type = CoreLookupType ("System.Threading.Monitor");
intptr_type = CoreLookupType ("System.IntPtr");
marshal_as_attr_type = CoreLookupType ("System.Runtime.InteropServices.MarshalAsAttribute");
param_array_type = CoreLookupType ("System.ParamArrayAttribute");
in_attribute_type = CoreLookupType ("System.Runtime.InteropServices.InAttribute");
+ typed_reference_type = CoreLookupType ("System.TypedReference");
+ arg_iterator_type = CoreLookupType ("System.ArgIterator");
+ mbr_type = CoreLookupType ("System.MarshalByRefObject");
//
// Sigh. Remove this before the release. Wonder what versions of Mono
//
obsolete_attribute_type = CoreLookupType ("System.ObsoleteAttribute");
conditional_attribute_type = CoreLookupType ("System.Diagnostics.ConditionalAttribute");
+ cls_compliant_attribute_type = CoreLookupType ("System.CLSCompliantAttribute");
+ struct_layout_attribute_type = CoreLookupType ("System.Runtime.InteropServices.StructLayoutAttribute");
+ field_offset_attribute_type = CoreLookupType ("System.Runtime.InteropServices.FieldOffsetAttribute");
//
// When compiling corlib, store the "real" types here.
args [2] = enum_type;
args [3] = void_type;
- set_corlib_type_builders.Invoke (CodeGen.AssemblyBuilder, args);
+ set_corlib_type_builders.Invoke (CodeGen.Assembly.Builder, args);
} else {
// Compatibility for an older version of the class libs.
set_corlib_type_builders = GetMethod (
args [1] = value_type;
args [2] = enum_type;
- set_corlib_type_builders.Invoke (CodeGen.AssemblyBuilder, args);
+ set_corlib_type_builders.Invoke (CodeGen.Assembly.Builder, args);
}
}
Type [] string_string_string_string = { string_type, string_type, string_type, string_type };
string_concat_string_string_string_string = GetMethod (
string_type, "Concat", string_string_string_string);
+ Type[] params_string = { TypeManager.LookupType ("System.String[]") };
+ string_concat_string_dot_dot_dot = GetMethod (
+ string_type, "Concat", params_string);
Type [] object_object = { object_type, object_type };
string_concat_object_object = GetMethod (
string_type, "Concat", object_object);
+ Type [] object_object_object = { object_type, object_type, object_type };
+ string_concat_object_object_object = GetMethod (
+ string_type, "Concat", object_object_object);
+ Type[] params_object = { TypeManager.LookupType ("System.Object[]") };
+ string_concat_object_dot_dot_dot = GetMethod (
+ string_type, "Concat", params_object);
Type [] string_ = { string_type };
string_isinterneted_string = GetMethod (
return false;
}
+ public static bool IsBuiltinType (TypeContainer tc)
+ {
+ return IsBuiltinType (tc.TypeBuilder);
+ }
+
//
// This is like IsBuiltinType, but lacks decimal_type, we should also clean up
// the pieces in the code where we use IsBuiltinType and special case decimal_type.
if (t is TypeBuilder){
TypeContainer tc = LookupTypeContainer (t);
- foreach (Field f in tc.Fields){
- if (f.FieldBuilder.IsStatic)
- continue;
- if (!IsUnmanagedType (f.FieldBuilder.FieldType))
- return false;
- }
+ if (tc.Fields != null){
+ foreach (Field f in tc.Fields){
+ if (f.FieldBuilder.IsStatic)
+ continue;
+ if (!IsUnmanagedType (f.FieldBuilder.FieldType))
+ return false;
+ }
+ } else
+ return true;
} else {
FieldInfo [] fields = t.GetFields ();
}
}
- static Hashtable attr_to_allowmult;
-
- public static void RegisterAttributeAllowMultiple (Type attr_type, bool allow)
- {
- if (attr_to_allowmult == null)
- attr_to_allowmult = new PtrHashtable ();
-
- if (attr_to_allowmult.Contains (attr_type))
- return;
-
- attr_to_allowmult.Add (attr_type, allow);
-
- }
-
- public static bool AreMultipleAllowed (Type attr_type)
- {
- if (!(attr_type is TypeBuilder)) {
- System.Attribute [] attrs = System.Attribute.GetCustomAttributes (attr_type);
-
- foreach (System.Attribute tmp in attrs)
- if (tmp is AttributeUsageAttribute) {
- return ((AttributeUsageAttribute) tmp).AllowMultiple;
- }
-
- return false;
- }
-
- if (attr_to_allowmult == null)
- return false;
-
- return (bool) attr_to_allowmult [attr_type];
- }
-
static Hashtable builder_to_constant;
public static void RegisterConstant (FieldBuilder fb, Const c)
return true;
}
+ public static bool CheckStructCycles (TypeContainer tc, Hashtable seen)
+ {
+ Hashtable hash = new Hashtable ();
+ return CheckStructCycles (tc, seen, hash);
+ }
+
+ public static bool CheckStructCycles (TypeContainer tc, Hashtable seen,
+ Hashtable hash)
+ {
+ if (!(tc is Struct) || IsBuiltinType (tc))
+ return true;
+
+ //
+ // `seen' contains all types we've already visited.
+ //
+ if (seen.Contains (tc))
+ return true;
+ seen.Add (tc, null);
+
+ if (tc.Fields == null)
+ return true;
+
+ foreach (Field field in tc.Fields) {
+ if (field.FieldBuilder.IsStatic)
+ continue;
+
+ Type ftype = field.FieldBuilder.FieldType;
+ TypeContainer ftc = LookupTypeContainer (ftype);
+ if (ftc == null)
+ continue;
+
+ if (hash.Contains (ftc)) {
+ Report.Error (523, tc.Location,
+ "Struct member `{0}.{1}' of type `{2}' " +
+ "causes a cycle in the struct layout",
+ tc.Name, field.Name, ftc.Name);
+ return false;
+ }
+
+ //
+ // `hash' contains all types in the current path.
+ //
+ hash.Add (tc, null);
+
+ bool ok = CheckStructCycles (ftc, seen, hash);
+
+ hash.Remove (tc);
+
+ if (!ok)
+ return false;
+
+ if (!seen.Contains (ftc))
+ seen.Add (ftc, null);
+ }
+
+ return true;
+ }
+
/// <summary>
/// Given an array of interface types, expand and eliminate repeated ocurrences
/// of an interface.
if (t is TypeBuilder) {
// slow path needed to compile corlib
if (t == TypeManager.bool_type ||
- t == TypeManager.byte_type ||
- t == TypeManager.sbyte_type ||
- t == TypeManager.char_type ||
- t == TypeManager.short_type ||
- t == TypeManager.ushort_type ||
- t == TypeManager.int32_type ||
- t == TypeManager.uint32_type ||
- t == TypeManager.int64_type ||
- t == TypeManager.uint64_type)
+ t == TypeManager.byte_type ||
+ t == TypeManager.sbyte_type ||
+ t == TypeManager.char_type ||
+ t == TypeManager.short_type ||
+ t == TypeManager.ushort_type ||
+ t == TypeManager.int32_type ||
+ t == TypeManager.uint32_type ||
+ t == TypeManager.int64_type ||
+ t == TypeManager.uint64_type)
return t;
throw new Exception ("Unhandled typecode in enum " + " from " + t.AssemblyQualifiedName);
}
return TypeManager.object_type;
if (t == typeof (System.Type))
return TypeManager.type_type;
+ if (t == typeof (System.IntPtr))
+ return TypeManager.intptr_type;
return t;
}
}
return "Item";
}
+ static MethodInfo pinned_method = null;
public static void MakePinned (LocalBuilder builder)
{
- //
- // FIXME: Flag the "LocalBuilder" type as being
- // pinned. Figure out API.
- //
+ if (pinned_method == null) {
+ pinned_method = typeof (LocalBuilder).GetMethod ("MakePinned", BindingFlags.Instance | BindingFlags.NonPublic);
+ if (pinned_method == null) {
+ Report.Warning (-24, new Location (-1), "Microsoft.NET does not support making pinned variables." +
+ "This code may cause errors on a runtime with a moving GC");
+
+ return;
+ }
+ }
+
+ pinned_method.Invoke (builder, null);
}
return target_list;
}
- [Flags]
- public enum MethodFlags {
- IsObsolete = 1,
- IsObsoleteError = 1 << 1,
- ShouldIgnore = 1 << 2
- }
-
- //
- // Returns the TypeManager.MethodFlags for this method.
- // This emits an error 619 / warning 618 if the method is obsolete.
- // In the former case, TypeManager.MethodFlags.IsObsoleteError is returned.
- //
- static public MethodFlags GetMethodFlags (MethodBase mb, Location loc)
- {
- MethodFlags flags = 0;
-
- if (mb.DeclaringType is TypeBuilder){
- MethodData method = (MethodData) builder_to_method [mb];
- if (method == null) {
- // FIXME: implement Obsolete attribute on Property,
- // Indexer and Event.
- return 0;
- }
-
- return method.GetMethodFlags (loc);
- }
-
- object [] attrs = mb.GetCustomAttributes (true);
- foreach (object ta in attrs){
- if (!(ta is System.Attribute)){
- Console.WriteLine ("Unknown type in GetMethodFlags: " + ta);
- continue;
- }
- System.Attribute a = (System.Attribute) ta;
- if (a.TypeId == TypeManager.obsolete_attribute_type){
- ObsoleteAttribute oa = (ObsoleteAttribute) a;
-
- string method_desc = TypeManager.CSharpSignature (mb);
-
- if (oa.IsError) {
- Report.Error (619, loc, "Method `" + method_desc +
- "' is obsolete: `" + oa.Message + "'");
- return MethodFlags.IsObsoleteError;
- } else
- Report.Warning (618, loc, "Method `" + method_desc +
- "' is obsolete: `" + oa.Message + "'");
-
- flags |= MethodFlags.IsObsolete;
-
- continue;
- }
-
- //
- // Skip over conditional code.
- //
- if (a.TypeId == TypeManager.conditional_attribute_type){
- ConditionalAttribute ca = (ConditionalAttribute) a;
-
- if (RootContext.AllDefines [ca.ConditionString] == null)
- flags |= MethodFlags.ShouldIgnore;
- }
- }
- return flags;
- }
-
#region MemberLookup implementation
//
// Whether we allow private members in the result (since FindMembers
// uses NonPublic for both protected and private), we need to distinguish.
//
- static bool closure_private_ok;
-
- //
- // Who is invoking us and which type is being queried currently.
- //
- static Type closure_invocation_type;
- static Type closure_qualifier_type;
-
- //
- // The assembly that defines the type is that is calling us
- //
- static Assembly closure_invocation_assembly;
static internal bool FilterNone (MemberInfo m, object filter_criteria)
{
return true;
}
-
- //
- // This filter filters by name + whether it is ok to include private
- // members in the search
- //
- static internal bool FilterWithClosure (MemberInfo m, object filter_criteria)
- {
- //
- // Hack: we know that the filter criteria will always be in the `closure'
- // fields.
- //
-
- if ((filter_criteria != null) && (m.Name != (string) filter_criteria))
- return false;
- if (((closure_qualifier_type == null) || (closure_qualifier_type == closure_invocation_type)) &&
- (m.DeclaringType == closure_invocation_type))
- return true;
+ internal class Closure {
+ internal bool private_ok;
- //
- // Ugly: we need to find out the type of `m', and depending
- // on this, tell whether we accept or not
- //
- if (m is MethodBase){
- MethodBase mb = (MethodBase) m;
- MethodAttributes ma = mb.Attributes & MethodAttributes.MemberAccessMask;
+ // Who is invoking us and which type is being queried currently.
+ internal Type invocation_type;
+ internal Type qualifier_type;
- if (ma == MethodAttributes.Private)
- return closure_private_ok || (closure_invocation_type == m.DeclaringType) ||
- IsNestedChildOf (closure_invocation_type, m.DeclaringType);
+ // The assembly that defines the type is that is calling us
+ internal Assembly invocation_assembly;
+ internal IList almost_match;
- //
- // FamAndAssem requires that we not only derivate, but we are on the
- // same assembly.
- //
- if (ma == MethodAttributes.FamANDAssem){
- if (closure_invocation_assembly != mb.DeclaringType.Assembly)
- return false;
- }
-
- // Assembly and FamORAssem succeed if we're in the same assembly.
- if ((ma == MethodAttributes.Assembly) || (ma == MethodAttributes.FamORAssem)){
- if (closure_invocation_assembly == mb.DeclaringType.Assembly)
- return true;
- }
-
- // We already know that we aren't in the same assembly.
- if (ma == MethodAttributes.Assembly)
+ private bool CheckValidFamilyAccess (bool is_static, MemberInfo m)
+ {
+ if (invocation_type == null)
return false;
- // Family and FamANDAssem require that we derive.
- if ((ma == MethodAttributes.Family) || (ma == MethodAttributes.FamANDAssem)){
- if (closure_invocation_type == null)
- return false;
+ Debug.Assert (IsSubclassOrNestedChildOf (invocation_type, m.DeclaringType));
- if (!IsSubclassOrNestedChildOf (closure_invocation_type, mb.DeclaringType))
- return false;
+ if (is_static)
+ return true;
+
+ // A nested class has access to all the protected members visible to its parent.
+ if (qualifier_type != null
+ && TypeManager.IsNestedChildOf (invocation_type, qualifier_type))
+ return true;
+ if (invocation_type == m.DeclaringType
+ || invocation_type.IsSubclassOf (m.DeclaringType)) {
// Although a derived class can access protected members of its base class
// it cannot do so through an instance of the base class (CS1540).
- if (!mb.IsStatic && (closure_invocation_type != closure_qualifier_type) &&
- (closure_qualifier_type != null) &&
- closure_invocation_type.IsSubclassOf (closure_qualifier_type))
- return false;
-
- return true;
+ // => Ancestry should be: declaring_type ->* invocation_type ->* qualified_type
+ if (qualifier_type == null
+ || qualifier_type == invocation_type
+ || qualifier_type.IsSubclassOf (invocation_type))
+ return true;
}
- // Public.
- return true;
+ if (almost_match != null)
+ almost_match.Add (m);
+ return false;
}
-
- if (m is FieldInfo){
- FieldInfo fi = (FieldInfo) m;
- FieldAttributes fa = fi.Attributes & FieldAttributes.FieldAccessMask;
-
- if (fa == FieldAttributes.Private)
- return closure_private_ok || (closure_invocation_type == m.DeclaringType) ||
- IsNestedChildOf (closure_invocation_type, m.DeclaringType);
-
+
+ //
+ // This filter filters by name + whether it is ok to include private
+ // members in the search
+ //
+ internal bool Filter (MemberInfo m, object filter_criteria)
+ {
//
- // FamAndAssem requires that we not only derivate, but we are on the
- // same assembly.
+ // Hack: we know that the filter criteria will always be in the `closure'
+ // fields.
//
- if (fa == FieldAttributes.FamANDAssem){
- if (closure_invocation_assembly != fi.DeclaringType.Assembly)
- return false;
- }
-
- // Assembly and FamORAssem succeed if we're in the same assembly.
- if ((fa == FieldAttributes.Assembly) || (fa == FieldAttributes.FamORAssem)){
- if (closure_invocation_assembly == fi.DeclaringType.Assembly)
- return true;
- }
- // We already know that we aren't in the same assembly.
- if (fa == FieldAttributes.Assembly)
+ if ((filter_criteria != null) && (m.Name != (string) filter_criteria))
return false;
+
+ if (((qualifier_type == null) || (qualifier_type == invocation_type)) &&
+ (m.DeclaringType == invocation_type))
+ return true;
+
+ //
+ // Ugly: we need to find out the type of `m', and depending
+ // on this, tell whether we accept or not
+ //
+ if (m is MethodBase){
+ MethodBase mb = (MethodBase) m;
+ MethodAttributes ma = mb.Attributes & MethodAttributes.MemberAccessMask;
- // Family and FamANDAssem require that we derive.
- if ((fa == FieldAttributes.Family) || (fa == FieldAttributes.FamANDAssem)){
- if (closure_invocation_type == null)
- return false;
-
- if (!IsSubclassOrNestedChildOf (closure_invocation_type, fi.DeclaringType))
- return false;
-
- // Although a derived class can access protected members of its base class
- // it cannot do so through an instance of the base class (CS1540).
- if (!fi.IsStatic && (closure_invocation_type != closure_qualifier_type) &&
- (closure_qualifier_type != null) &&
- closure_invocation_type.IsSubclassOf (closure_qualifier_type))
- return false;
-
+ if (ma == MethodAttributes.Private)
+ return private_ok || (invocation_type == m.DeclaringType) ||
+ IsNestedChildOf (invocation_type, m.DeclaringType);
+
+ // Assembly succeeds if we're in the same assembly.
+ if (ma == MethodAttributes.Assembly)
+ return (invocation_assembly == mb.DeclaringType.Assembly);
+
+ // FamAndAssem requires that we not only derive, but we are on the same assembly.
+ if (ma == MethodAttributes.FamANDAssem){
+ if (invocation_assembly != mb.DeclaringType.Assembly)
+ return false;
+ }
+
+ // Family and FamANDAssem require that we derive.
+ if ((ma == MethodAttributes.Family) || (ma == MethodAttributes.FamANDAssem))
+ return CheckValidFamilyAccess (mb.IsStatic, m);
+
+ // Public.
return true;
}
-
- // Public.
+
+ if (m is FieldInfo){
+ FieldInfo fi = (FieldInfo) m;
+ FieldAttributes fa = fi.Attributes & FieldAttributes.FieldAccessMask;
+
+ if (fa == FieldAttributes.Private)
+ return private_ok || (invocation_type == m.DeclaringType) ||
+ IsNestedChildOf (invocation_type, m.DeclaringType);
+
+ // Assembly succeeds if we're in the same assembly.
+ if (fa == FieldAttributes.Assembly)
+ return (invocation_assembly == fi.DeclaringType.Assembly);
+
+ // FamAndAssem requires that we not only derive, but we are on the same assembly.
+ if (fa == FieldAttributes.FamANDAssem){
+ if (invocation_assembly != fi.DeclaringType.Assembly)
+ return false;
+ }
+
+ // Family and FamANDAssem require that we derive.
+ if ((fa == FieldAttributes.Family) || (fa == FieldAttributes.FamANDAssem))
+ return CheckValidFamilyAccess (fi.IsStatic, m);
+
+ // Public.
+ return true;
+ }
+
+ //
+ // EventInfos and PropertyInfos, return true because they lack permission
+ // information, so we need to check later on the methods.
+ //
return true;
}
-
- //
- // EventInfos and PropertyInfos, return true because they lack permission
- // informaiton, so we need to check later on the methods.
- //
- return true;
}
- static MemberFilter FilterWithClosure_delegate = new MemberFilter (FilterWithClosure);
+ static Closure closure = new Closure ();
+ static MemberFilter FilterWithClosure_delegate = new MemberFilter (closure.Filter);
static MemberFilter FilterNone_delegate = new MemberFilter (FilterNone);
//
// is allowed to access (using the specified `qualifier_type' if given); only use
// BindingFlags.NonPublic to bypass the permission check.
//
+ // The 'almost_match' argument is used for reporting error CS1540.
+ //
// Returns an array of a single element for everything but Methods/Constructors
// that might return multiple matches.
//
public static MemberInfo [] MemberLookup (Type invocation_type, Type qualifier_type,
Type queried_type, MemberTypes mt,
- BindingFlags original_bf, string name)
+ BindingFlags original_bf, string name, IList almost_match)
{
Timer.StartTimer (TimerType.MemberLookup);
MemberInfo[] retval = RealMemberLookup (invocation_type, qualifier_type,
- queried_type, mt, original_bf, name);
+ queried_type, mt, original_bf, name, almost_match);
Timer.StopTimer (TimerType.MemberLookup);
static MemberInfo [] RealMemberLookup (Type invocation_type, Type qualifier_type,
Type queried_type, MemberTypes mt,
- BindingFlags original_bf, string name)
+ BindingFlags original_bf, string name, IList almost_match)
{
BindingFlags bf = original_bf;
bool skip_iface_check = true, used_cache = false;
bool always_ok_flag = false;
- closure_invocation_type = invocation_type;
- closure_invocation_assembly = invocation_type != null ? invocation_type.Assembly : null;
- closure_qualifier_type = qualifier_type;
+ closure.invocation_type = invocation_type;
+ closure.invocation_assembly = invocation_type != null ? invocation_type.Assembly : null;
+ closure.qualifier_type = qualifier_type;
+ closure.almost_match = almost_match;
//
// If we are a nested class, we always have access to our container
// This is from the first time we find a method
// in most cases, we do not actually find a method in the base class
// so we can just ignore it, and save the arraylist allocation
- MemberInfo [] first_methods_list = null;
+ MemberInfo [] first_members_list = null;
bool use_first_members_list = false;
do {
else
bf = original_bf;
- closure_private_ok = (original_bf & BindingFlags.NonPublic) != 0;
+ closure.private_ok = (original_bf & BindingFlags.NonPublic) != 0;
Timer.StopTimer (TimerType.MemberLookup);
// mode.
//
- if (first_methods_list != null) {
+ if (first_members_list != null) {
if (use_first_members_list) {
- method_list = CopyNewMethods (method_list, first_methods_list);
+ method_list = CopyNewMethods (method_list, first_members_list);
use_first_members_list = false;
}
method_list = CopyNewMethods (method_list, list);
} else {
- first_methods_list = list;
+ first_members_list = list;
use_first_members_list = true;
+ mt &= (MemberTypes.Method | MemberTypes.Constructor);
}
-
- mt &= (MemberTypes.Method | MemberTypes.Constructor);
} while (searching);
- if (use_first_members_list)
- return first_methods_list;
+ if (use_first_members_list) {
+ foreach (MemberInfo mi in first_members_list) {
+ if (! (mi is MethodBase)) {
+ method_list = CopyNewMethods (method_list, first_members_list);
+ return (MemberInfo []) method_list.ToArray (typeof (MemberInfo));
+ }
+ }
+ return (MemberInfo []) first_members_list;
+ }
if (method_list != null && method_list.Count > 0)
return (MemberInfo []) method_list.ToArray (typeof (MemberInfo));
foreach (TypeExpr itype in ifaces){
MemberInfo [] x;
- x = MemberLookup (null, null, itype.Type, mt, bf, name);
+ x = MemberLookup (null, null, itype.Type, mt, bf, name, null);
if (x != null)
return x;
}