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 exception_type;
static public Type invalid_operation_exception_type;
static public Type obsolete_attribute_type;
- static public object conditional_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;
assemblies = n;
}
+ public static Assembly [] GetAssemblies ()
+ {
+ return assemblies;
+ }
+
/// <summary>
/// Registers a module builder to lookup types from
/// </summary>
/// </summary>
static public string GetFullNameSignature (MemberInfo mi)
{
- string n = mi.Name;
- if (n == ".ctor")
- n = mi.DeclaringType.Name;
-
- return mi.DeclaringType.FullName.Replace ('+', '.') + '.' + n;
+ 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>
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)
- {
- string sig = "(";
+ /// <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 GetFullNameSignature (mb) + 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
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");
return target_list;
}
- [Flags]
- public enum MethodFlags {
- 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)
- {
- MethodFlags flags = 0;
-
- if (mb.DeclaringType is TypeBuilder){
- IMethodData method = (IMethodData) builder_to_method [mb];
- if (method == null) {
- // FIXME: implement Obsolete attribute on Property,
- // Indexer and Event.
- return 0;
- }
-
- if (method.ShouldIgnore ())
- flags |= MethodFlags.ShouldIgnore;
- return flags;
- }
-
- 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;
-
- //
- // 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;
-
- //
- // 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;
- if (ma == MethodAttributes.Private)
- return closure_private_ok || (closure_invocation_type == m.DeclaringType) ||
- IsNestedChildOf (closure_invocation_type, m.DeclaringType);
+ internal class Closure {
+ internal bool private_ok;
- //
- // 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;
- }
+ // Who is invoking us and which type is being queried currently.
+ internal Type invocation_type;
+ internal Type qualifier_type;
- // 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;
- }
+ // The assembly that defines the type is that is calling us
+ internal Assembly invocation_assembly;
+ internal IList almost_match;
- // 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) &&
- !TypeManager.IsNestedChildOf (closure_invocation_type, 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) &&
- !TypeManager.IsNestedChildOf (closure_invocation_type, 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
else
bf = original_bf;
- closure_private_ok = (original_bf & BindingFlags.NonPublic) != 0;
+ closure.private_ok = (original_bf & BindingFlags.NonPublic) != 0;
Timer.StopTimer (TimerType.MemberLookup);
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;
}