// (C) 2001 Ximian, Inc (http://www.ximian.com)
//
//
-#define CACHE
+
+//
+// We will eventually remove the SIMPLE_SPEEDUP, and should never change
+// the behavior of the compilation. This can be removed if we rework
+// the code to get a list of namespaces available.
+//
+#define SIMPLE_SPEEDUP
using System;
+using System.IO;
using System.Globalization;
using System.Collections;
using System.Reflection;
using System.Reflection.Emit;
+using System.Text;
using System.Text.RegularExpressions;
using System.Runtime.CompilerServices;
using System.Diagnostics;
static public Type icloneable_type;
static public Type type_type;
static public Type ienumerator_type;
+ static public Type ienumerable_type;
static public Type idisposable_type;
static public Type default_member_type;
static public Type iasyncresult_type;
static public Type methodimpl_attr_type;
static public Type marshal_as_attr_type;
static public Type param_array_type;
+ static public Type guid_attr_type;
static public Type void_ptr_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 in_attribute_type;
//
// An empty array of types
// These methods are called by code generated by the compiler
//
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_object_object;
static public MethodInfo string_isinterneted_string;
static public MethodInfo system_type_get_type_from_handle;
static public MethodInfo object_getcurrent_void;
static public MethodInfo bool_movenext_void;
+ static public MethodInfo ienumerable_getenumerator_void;
+ static public MethodInfo void_reset_void;
static public MethodInfo void_dispose_void;
static public MethodInfo void_monitor_enter_object;
static public MethodInfo void_monitor_exit_object;
//
// The attribute constructors.
//
+ static public ConstructorInfo object_ctor;
static public ConstructorInfo cons_param_array_attribute;
static public ConstructorInfo void_decimal_ctor_five_args;
static public ConstructorInfo unverifiable_code_ctor;
+ static public ConstructorInfo invalid_operation_ctor;
// <remarks>
// Holds the Array of Assemblies that have been loaded
// </remarks>
static ArrayList user_types;
- // <remarks>
- // Keeps a mapping between TypeBuilders and their TypeContainers
- // </remarks>
- static PtrHashtable builder_to_container;
+ static PtrHashtable builder_to_declspace;
// <remarks>
// Tracks the interfaces implemented by typebuilders. We only
// <remarks>
static Hashtable method_internal_params;
- static PtrHashtable builder_to_interface;
-
- // <remarks>
- // Keeps track of delegate types
- // </remarks>
-
- static Hashtable builder_to_delegate;
-
- // <remarks>
- // Keeps track of enum types
- // </remarks>
-
- static Hashtable builder_to_enum;
-
// <remarks>
// Keeps track of attribute types
// </remarks>
//
static void InitExpressionTypes ()
{
- system_object_expr = new TypeExpression ("System.Object");
- system_string_expr = new TypeExpression ("System.String");
- system_boolean_expr = new TypeExpression ("System.Boolean");
- system_decimal_expr = new TypeExpression ("System.Decimal");
- system_single_expr = new TypeExpression ("System.Single");
- system_double_expr = new TypeExpression ("System.Double");
- system_sbyte_expr = new TypeExpression ("System.SByte");
- system_byte_expr = new TypeExpression ("System.Byte");
- system_int16_expr = new TypeExpression ("System.Int16");
- system_uint16_expr = new TypeExpression ("System.UInt16");
- system_int32_expr = new TypeExpression ("System.Int32");
- system_uint32_expr = new TypeExpression ("System.UInt32");
- system_int64_expr = new TypeExpression ("System.Int64");
- system_uint64_expr = new TypeExpression ("System.UInt64");
- system_char_expr = new TypeExpression ("System.Char");
- system_void_expr = new TypeExpression ("System.Void");
- system_asynccallback_expr = new TypeExpression ("System.AsyncCallback");
- system_iasyncresult_expr = new TypeExpression ("System.IAsyncResult");
+ system_object_expr = new TypeLookupExpression ("System.Object");
+ system_string_expr = new TypeLookupExpression ("System.String");
+ system_boolean_expr = new TypeLookupExpression ("System.Boolean");
+ system_decimal_expr = new TypeLookupExpression ("System.Decimal");
+ system_single_expr = new TypeLookupExpression ("System.Single");
+ system_double_expr = new TypeLookupExpression ("System.Double");
+ system_sbyte_expr = new TypeLookupExpression ("System.SByte");
+ system_byte_expr = new TypeLookupExpression ("System.Byte");
+ system_int16_expr = new TypeLookupExpression ("System.Int16");
+ system_uint16_expr = new TypeLookupExpression ("System.UInt16");
+ system_int32_expr = new TypeLookupExpression ("System.Int32");
+ system_uint32_expr = new TypeLookupExpression ("System.UInt32");
+ system_int64_expr = new TypeLookupExpression ("System.Int64");
+ system_uint64_expr = new TypeLookupExpression ("System.UInt64");
+ system_char_expr = new TypeLookupExpression ("System.Char");
+ system_void_expr = new TypeLookupExpression ("System.Void");
+ system_asynccallback_expr = new TypeLookupExpression ("System.AsyncCallback");
+ system_iasyncresult_expr = new TypeLookupExpression ("System.IAsyncResult");
}
static TypeManager ()
types = new Hashtable ();
typecontainers = new Hashtable ();
- builder_to_interface = new PtrHashtable ();
- builder_to_delegate = new PtrHashtable ();
- builder_to_enum = new PtrHashtable ();
+ builder_to_declspace = new PtrHashtable ();
builder_to_attr = new PtrHashtable ();
builder_to_method = new PtrHashtable ();
method_arguments = new PtrHashtable ();
method_internal_params = new PtrHashtable ();
indexer_arguments = new PtrHashtable ();
- builder_to_container = new PtrHashtable ();
builder_to_ifaces = new PtrHashtable ();
NoTypes = new Type [0];
types.Add (name, t);
} catch {
Type prev = (Type) types [name];
- TypeContainer tc = (TypeContainer) builder_to_container [prev];
+ TypeContainer tc = builder_to_declspace [prev] as TypeContainer;
if (tc != null){
//
return;
}
- tc = (TypeContainer) builder_to_container [t];
+ tc = builder_to_declspace [t] as TypeContainer;
Report.Warning (
1595, "The type `" + name + "' is defined in an existing assembly;"+
public static void AddUserType (string name, TypeBuilder t, TypeContainer tc, Type [] ifaces)
{
- builder_to_container.Add (t, tc);
+ builder_to_declspace.Add (t, tc);
typecontainers.Add (name, tc);
AddUserType (name, t, ifaces);
}
public static void AddDelegateType (string name, TypeBuilder t, Delegate del)
{
types.Add (name, t);
- builder_to_delegate.Add (t, del);
+ builder_to_declspace.Add (t, del);
}
public static void AddEnumType (string name, TypeBuilder t, Enum en)
{
types.Add (name, t);
- builder_to_enum.Add (t, en);
+ builder_to_declspace.Add (t, en);
}
public static void AddUserInterface (string name, TypeBuilder t, Interface i, Type [] ifaces)
{
AddUserType (name, t, ifaces);
- builder_to_interface.Add (t, i);
+ builder_to_declspace.Add (t, i);
}
public static void AddMethod (MethodBuilder builder, MethodData method)
/// </summary>
public static TypeContainer LookupTypeContainer (Type t)
{
- return (TypeContainer) builder_to_container [t];
+ return builder_to_declspace [t] as TypeContainer;
+ }
+
+ public static IMemberContainer LookupMemberContainer (Type t)
+ {
+ if (t is TypeBuilder) {
+ IMemberContainer container = builder_to_declspace [t] as IMemberContainer;
+ if (container != null)
+ return container;
+ }
+
+ return TypeHandle.GetTypeHandle (t);
}
public static Interface LookupInterface (Type t)
{
- return (Interface) builder_to_interface [t];
+ return builder_to_declspace [t] as Interface;
}
public static Delegate LookupDelegate (Type t)
{
- return (Delegate) builder_to_delegate [t];
+ return builder_to_declspace [t] as Delegate;
}
public static Enum LookupEnum (Type t)
{
- return (Enum) builder_to_enum [t];
+ return builder_to_declspace [t] as Enum;
}
public static TypeContainer LookupAttr (Type t)
modules = n;
}
+ static Hashtable references = new Hashtable ();
+
+ //
+ // Gets the reference to T version of the Type (T&)
+ //
+ public static Type GetReferenceType (Type t)
+ {
+ string tname = t.FullName + "&";
+
+ Type ret = t.Assembly.GetType (tname);
+
+ //
+ // If the type comes from the assembly we are building
+ // We need the Hashtable, because .NET 1.1 will return different instance types
+ // every time we call ModuleBuilder.GetType.
+ //
+ if (ret == null){
+ if (references [t] == null)
+ references [t] = CodeGen.ModuleBuilder.GetType (tname);
+ ret = (Type) references [t];
+ }
+
+ return ret;
+ }
+
+ static Hashtable pointers = new Hashtable ();
+
+ //
+ // Gets the pointer to T version of the Type (T*)
+ //
+ public static Type GetPointerType (Type t)
+ {
+ string tname = t.FullName + "*";
+
+ Type ret = t.Assembly.GetType (tname);
+
+ //
+ // If the type comes from the assembly we are building
+ // We need the Hashtable, because .NET 1.1 will return different instance types
+ // every time we call ModuleBuilder.GetType.
+ //
+ if (ret == null){
+ if (pointers [t] == null)
+ pointers [t] = CodeGen.ModuleBuilder.GetType (tname);
+
+ ret = (Type) pointers [t];
+ }
+
+ return ret;
+ }
+
+ //
+ // Low-level lookup, cache-less
+ //
+ static Type LookupTypeReflection (string name)
+ {
+ Type t;
+
+ foreach (Assembly a in assemblies){
+ t = a.GetType (name);
+ if (t != null)
+ return t;
+ }
+
+ foreach (ModuleBuilder mb in modules) {
+ t = mb.GetType (name);
+ if (t != null){
+ return t;
+ }
+ }
+ return null;
+ }
+
+ static Hashtable negative_hits = new Hashtable ();
+
+ //
+ // This function is used when you want to avoid the lookups, and want to go
+ // directly to the source. This will use the cache.
+ //
+ // Notice that bypassing the cache is bad, because on Microsoft.NET runtime
+ // GetType ("DynamicType[]") != GetType ("DynamicType[]"), and there is no
+ // way to test things other than doing a fullname compare
+ //
+ public static Type LookupTypeDirect (string name)
+ {
+ Type t = (Type) types [name];
+ if (t != null)
+ return t;
+
+ t = LookupTypeReflection (name);
+ if (t == null)
+ return null;
+
+ types [name] = t;
+ return t;
+ }
+
+ //
+ // UNUSED: This version tries to reduce the impact of calling LookupType by validating if
+ // UNUSED: the namespace exists
+ //
+ public static Type xLookupType (string ns, string name, out string res)
+ {
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+
+ if (!IsNamespace (ns)){
+ res = null;
+ return null;
+ }
+
+ res = DeclSpace.MakeFQN (ns, name);
+ return LookupType (res);
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+ // CURRENTLY UNUSED
+ }
+
/// <summary>
- /// Returns the Type associated with @name
+ /// Returns the Type associated with @name, takes care of the fact that
+ /// reflection expects nested types to be separated from the main type
+ /// with a "+" instead of a "."
/// </summary>
public static Type LookupType (string name)
{
if (t != null)
return t;
- foreach (Assembly a in assemblies){
- t = a.GetType (name);
- if (t != null){
- types [name] = t;
+ // Two thirds of the failures are caught here.
+ if (negative_hits.Contains (name))
+ return null;
+
+ string [] elements = name.Split ('.');
+ int count = elements.Length;
+
+ for (int n = 1; n <= count; n++){
+ string top_level_type = String.Join (".", elements, 0, n);
+ // One third of the failures are caught here.
+ if (negative_hits.Contains (top_level_type))
+ continue;
+
+ t = (Type) types [top_level_type];
+ if (t == null){
+ t = LookupTypeReflection (top_level_type);
+ if (t == null){
+ negative_hits [top_level_type] = true;
+ continue;
+ }
+ }
+
+ if (count == n){
+ types [name] = t;
return t;
+ }
+
+ //
+ // We know that System.Object does not have children, and since its the parent of
+ // all the objects, it always gets probbed for inner classes.
+ //
+ if (top_level_type == "System.Object")
+ return null;
+
+ string newt = top_level_type + "+" + String.Join ("+", elements, n, count - n);
+ //Console.WriteLine ("Looking up: " + newt + " " + name);
+ t = LookupTypeReflection (newt);
+ if (t == null)
+ negative_hits [name] = true;
+ else
+ types [name] = t;
+ return t;
+ }
+ negative_hits [name] = true;
+ return null;
+ }
+
+ // Total list of known namespaces for the compilation
+ static string [] namespaces;
+
+ static Hashtable AddModuleNamespaces (Hashtable h)
+ {
+ foreach (ModuleBuilder mb in modules){
+ foreach (Type t in mb.GetTypes ()){
+ string ns = t.Namespace;
+
+ if (h.Contains (ns))
+ continue;
+ h [ns] = ns;
}
}
+ return h;
+ }
+
+
+ /// <summary>
+ /// Computes the namespaces that we import from the assemblies we reference.
+ /// </summary>
+ public static void ComputeNamespaces ()
+ {
+ MethodInfo assembly_get_namespaces = typeof (Assembly).GetMethod ("GetNamespaces");
- foreach (ModuleBuilder mb in modules) {
- t = mb.GetType (name);
- if (t != null) {
- types [name] = t;
- return t;
+ //
+ // First add the assembly namespaces
+ //
+ Hashtable namespaces_hash = new Hashtable ();
+ if (assembly_get_namespaces != null){
+ int count = assemblies.Length;
+ int total;
+
+ for (int i = 0; i < count; i++){
+ Assembly a = assemblies [i];
+ string [] namespaces = (string []) assembly_get_namespaces.Invoke (a, null);
+ foreach (string ns in namespaces){
+ if (ns == "")
+ continue;
+ if (namespaces_hash.Contains (ns))
+ continue;
+ namespaces_hash [ns] = true;
+ }
+ }
+ } else {
+ foreach (Assembly a in assemblies){
+ foreach (Type t in a.GetTypes ()){
+ string ns = t.Namespace;
+
+ // t.Namespace returns null for <PrivateImplDetails>
+ if (ns == ""|| ns == null)
+ continue;
+ if (namespaces_hash.Contains (ns))
+ continue;
+ namespaces_hash [ns] = true;
+ }
+ }
+ }
+ //
+ // Now insert all the namespaces defined by the application
+ //
+ StringBuilder s = null;
+ foreach (Namespace ns in Namespace.UserDefinedNamespaces){
+ string name = ns.Name;
+ if (name == "")
+ continue;
+ if (name == null)
+ throw new Exception ();
+ if (namespaces_hash.Contains (name))
+ continue;
+
+ if (name.IndexOf ('.') != -1){
+ if (s == null)
+ s = new StringBuilder ();
+ string [] pieces = name.Split ('.');
+ for (int i = 1; i < pieces.Length; i++){
+ s.Length = 0;
+
+ s.Append (pieces [0]);
+ for (int j = 1; j < i; j++){
+ s.Append (".");
+ s.Append (pieces [j]);
+ }
+ string n = s.ToString ();
+ if (namespaces_hash.Contains (n))
+ continue;
+ namespaces_hash [n] = true;
+ }
}
+
+ namespaces_hash [name] = true;
+ }
+
+ //
+ // Store it sorted
+ //
+ int idx = 0;
+ TypeManager.namespaces = new string [namespaces_hash.Count];
+ foreach (string ns in namespaces_hash.Keys){
+ namespaces [idx++] = ns;
}
+ Array.Sort (namespaces);
+ }
+
+ public static bool IsNamespace (string name)
+ {
+ if (Array.BinarySearch (namespaces, name) < 0)
+ return false;
- return null;
+ return true;
+ }
+
+ public static bool NamespaceClash (string name)
+ {
+ if (Array.BinarySearch (namespaces, name) < 0)
+ return false;
+
+ Report.Error (519, String.Format ("`{0}' clashes with a predefined namespace", name));
+ return true;
}
/// <summary>
{
return Regex.Replace (t.FullName,
@"^System\." +
- @"(Int32|UInt32|Int16|Uint16|Int64|UInt64|" +
+ @"(Int32|UInt32|Int16|UInt16|Int64|UInt64|" +
@"Single|Double|Char|Decimal|Byte|SByte|Object|" +
@"Boolean|String|Void)" +
@"(\W+|\b)",
/// </summary>
static Type CoreLookupType (string name)
{
- Type t = LookupType (name);
+ Type t = LookupTypeDirect (name);
if (t == null){
Report.Error (518, "The predefined type `" + name + "' is not defined or imported");
/// </summary>
static MethodInfo GetMethod (Type t, string name, Type [] args)
{
- MemberInfo [] mi;
+ MemberList list;
Signature sig;
sig.name = name;
sig.args = args;
- mi = FindMembers (
- t, MemberTypes.Method,
- instance_and_static | BindingFlags.Public, signature_filter, sig);
- if (mi == null || mi.Length == 0 || !(mi [0] is MethodInfo)){
+ list = FindMembers (t, MemberTypes.Method, instance_and_static | BindingFlags.Public,
+ signature_filter, sig);
+ if (list.Count == 0) {
Report.Error (-19, "Can not find the core function `" + name + "'");
return null;
}
- return (MethodInfo) mi [0];
+ MethodInfo mi = list [0] as MethodInfo;
+ if (mi == null) {
+ Report.Error (-19, "Can not find the core function `" + name + "'");
+ return null;
+ }
+
+ return mi;
}
/// <summary>
/// </summary>
static ConstructorInfo GetConstructor (Type t, Type [] args)
{
- MemberInfo [] mi;
+ MemberList list;
Signature sig;
sig.name = ".ctor";
sig.args = args;
- mi = FindMembers (t, MemberTypes.Constructor,
- instance_and_static | BindingFlags.Public | BindingFlags.DeclaredOnly, signature_filter, sig);
- if (mi == null || mi.Length == 0 || !(mi [0] is ConstructorInfo)){
+ list = FindMembers (t, MemberTypes.Constructor,
+ instance_and_static | BindingFlags.Public | BindingFlags.DeclaredOnly,
+ signature_filter, sig);
+ if (list.Count == 0){
+ Report.Error (-19, "Can not find the core constructor for type `" + t.Name + "'");
+ return null;
+ }
+
+ ConstructorInfo ci = list [0] as ConstructorInfo;
+ if (ci == null){
Report.Error (-19, "Can not find the core constructor for type `" + t.Name + "'");
return null;
}
- return (ConstructorInfo) mi [0];
+ return ci;
}
public static void InitEnumUnderlyingTypes ()
asynccallback_type = CoreLookupType ("System.AsyncCallback");
iasyncresult_type = CoreLookupType ("System.IAsyncResult");
ienumerator_type = CoreLookupType ("System.Collections.IEnumerator");
+ ienumerable_type = CoreLookupType ("System.Collections.IEnumerable");
idisposable_type = CoreLookupType ("System.IDisposable");
icloneable_type = CoreLookupType ("System.ICloneable");
monitor_type = CoreLookupType ("System.Threading.Monitor");
attribute_usage_type = CoreLookupType ("System.AttributeUsageAttribute");
dllimport_type = CoreLookupType ("System.Runtime.InteropServices.DllImportAttribute");
methodimpl_attr_type = CoreLookupType ("System.Runtime.CompilerServices.MethodImplAttribute");
- marshal_as_attr_type = CoreLookupType ("System.Runtime.InteropServices.MarshalAsAttribute");
- param_array_type = CoreLookupType ("System.ParamArrayAttribute");
+ marshal_as_attr_type = CoreLookupType ("System.Runtime.InteropServices.MarshalAsAttribute");
+ param_array_type = CoreLookupType ("System.ParamArrayAttribute");
+ in_attribute_type = CoreLookupType ("System.Runtime.InteropServices.InAttribute");
+
+ //
+ // Sigh. Remove this before the release. Wonder what versions of Mono
+ // people are running.
+ //
+ guid_attr_type = LookupType ("System.Runtime.InteropServices.GuidAttribute");
unverifiable_code_type= CoreLookupType ("System.Security.UnverifiableCodeAttribute");
indexer_name_type = CoreLookupType ("System.Runtime.CompilerServices.IndexerNameAttribute");
exception_type = CoreLookupType ("System.Exception");
+ invalid_operation_exception_type = CoreLookupType ("System.InvalidOperationException");
//
// Attribute types
Type [] system_type_type_arg = { system_type_type, system_type_type, system_type_type };
- try {
system_void_set_corlib_type_builders = GetMethod (
system_assemblybuilder_type, "SetCorlibTypeBuilders",
system_type_type_arg);
- object[] args = new object [3];
- args [0] = object_type;
- args [1] = value_type;
- args [2] = enum_type;
-
- system_void_set_corlib_type_builders.Invoke (CodeGen.AssemblyBuilder, args);
- } catch {
- Console.WriteLine ("Corlib compilation is not supported in Microsoft.NET due to bugs in it");
+ if (system_void_set_corlib_type_builders != null){
+ object[] args = new object [3];
+ args [0] = object_type;
+ args [1] = value_type;
+ args [2] = enum_type;
+
+ system_void_set_corlib_type_builders.Invoke (CodeGen.AssemblyBuilder, args);
+ } else {
+ Report.Error (-26, "Corlib compilation is not supported in Microsoft.NET due to bugs in it");
}
}
}
Type [] string_string = { string_type, string_type };
string_concat_string_string = GetMethod (
string_type, "Concat", string_string);
+ Type [] string_string_string = { string_type, string_type, string_type };
+ string_concat_string_string_string = GetMethod (
+ string_type, "Concat", string_string_string);
+ 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 [] object_object = { object_type, object_type };
string_concat_object_object = GetMethod (
ienumerator_type, "get_Current", void_arg);
bool_movenext_void = GetMethod (
ienumerator_type, "MoveNext", void_arg);
+ void_reset_void = GetMethod (
+ ienumerator_type, "Reset", void_arg);
void_dispose_void = GetMethod (
idisposable_type, "Dispose", void_arg);
int_get_offset_to_string_data = GetMethod (
array_type, "get_Length", void_arg);
int_array_get_rank = GetMethod (
array_type, "get_Rank", void_arg);
-
+ ienumerable_getenumerator_void = GetMethod (
+ ienumerable_type, "GetEnumerator", void_arg);
+
//
// Int32 arguments
//
unverifiable_code_ctor = GetConstructor (
unverifiable_code_type, void_arg);
-
+
+ //
+ // InvalidOperationException
+ //
+ invalid_operation_ctor = GetConstructor (
+ invalid_operation_exception_type, void_arg);
+
+
+ // Object
+ object_ctor = GetConstructor (object_type, void_arg);
+
}
const BindingFlags instance_and_static = BindingFlags.Static | BindingFlags.Instance;
- //
- // FIXME: This can be optimized easily. speedup by having a single builder mapping
- //
- public static MemberInfo [] FindMembers (Type t, MemberTypes mt, BindingFlags bf,
- MemberFilter filter, object criteria)
+ static Hashtable type_hash = new Hashtable ();
+
+ /// <remarks>
+ /// This is the "old", non-cache based FindMembers() function. We cannot use
+ /// the cache here because there is no member name argument.
+ /// </remarks>
+ public static MemberList FindMembers (Type t, MemberTypes mt, BindingFlags bf,
+ MemberFilter filter, object criteria)
{
+ DeclSpace decl = (DeclSpace) builder_to_declspace [t];
+
+ //
+ // `builder_to_declspace' contains all dynamic types.
+ //
+ if (decl != null) {
+ MemberList list;
+ Timer.StartTimer (TimerType.FindMembers);
+ list = decl.FindMembers (mt, bf, filter, criteria);
+ Timer.StopTimer (TimerType.FindMembers);
+ return list;
+ }
+
//
// We have to take care of arrays specially, because GetType on
// a TypeBuilder array will return a Type, not a TypeBuilder,
// and we can not call FindMembers on this type.
//
if (t.IsSubclassOf (TypeManager.array_type))
- return TypeManager.array_type.FindMembers (mt, bf, filter, criteria);
-
- if (!(t is TypeBuilder)){
- //
- // Since FindMembers will not lookup both static and instance
- // members, we emulate this behaviour here.
- //
- if ((bf & instance_and_static) == instance_and_static){
- MemberInfo [] i_members = t.FindMembers (
- mt, bf & ~BindingFlags.Static, filter, criteria);
-
- int i_len = i_members.Length;
- if (i_len == 1){
- MemberInfo one = i_members [0];
-
- //
- // If any of these are present, we are done!
- //
- if ((one is Type) || (one is EventInfo) || (one is FieldInfo))
- return i_members;
- }
+ return new MemberList (TypeManager.array_type.FindMembers (mt, bf, filter, criteria));
+
+ //
+ // Since FindMembers will not lookup both static and instance
+ // members, we emulate this behaviour here.
+ //
+ if ((bf & instance_and_static) == instance_and_static){
+ MemberInfo [] i_members = t.FindMembers (
+ mt, bf & ~BindingFlags.Static, filter, criteria);
+
+ int i_len = i_members.Length;
+ if (i_len == 1){
+ MemberInfo one = i_members [0];
+
+ //
+ // If any of these are present, we are done!
+ //
+ if ((one is Type) || (one is EventInfo) || (one is FieldInfo))
+ return new MemberList (i_members);
+ }
- MemberInfo [] s_members = t.FindMembers (
- mt, bf & ~BindingFlags.Instance, filter, criteria);
-
- int s_len = s_members.Length;
- if (i_len > 0 || s_len > 0){
- MemberInfo [] both = new MemberInfo [i_len + s_len];
-
- i_members.CopyTo (both, 0);
- s_members.CopyTo (both, i_len);
-
- return both;
- } else {
- if (i_len > 0)
- return i_members;
- else
- return s_members;
- }
+ MemberInfo [] s_members = t.FindMembers (
+ mt, bf & ~BindingFlags.Instance, filter, criteria);
+
+ int s_len = s_members.Length;
+ if (i_len > 0 || s_len > 0)
+ return new MemberList (i_members, s_members);
+ else {
+ if (i_len > 0)
+ return new MemberList (i_members);
+ else
+ return new MemberList (s_members);
}
- return t.FindMembers (mt, bf, filter, criteria);
}
+ return new MemberList (t.FindMembers (mt, bf, filter, criteria));
+ }
+
+
+ /// <summary>
+ /// This method is only called from within MemberLookup. It tries to use the member
+ /// cache if possible and falls back to the normal FindMembers if not. The `used_cache'
+ /// flag tells the caller whether we used the cache or not. If we used the cache, then
+ /// our return value will already contain all inherited members and the caller don't need
+ /// to check base classes and interfaces anymore.
+ /// </summary>
+ private static MemberList MemberLookup_FindMembers (Type t, MemberTypes mt, BindingFlags bf,
+ string name, out bool used_cache)
+ {
//
- // FIXME: We should not have builder_to_blah everywhere,
- // we should just have a builder_to_findmemberizable
- // and have them implement a new ICanFindMembers interface
+ // We have to take care of arrays specially, because GetType on
+ // a TypeBuilder array will return a Type, not a TypeBuilder,
+ // and we can not call FindMembers on this type.
//
- Enum e = (Enum) builder_to_enum [t];
+ if (t == TypeManager.array_type || t.IsSubclassOf (TypeManager.array_type)) {
+ used_cache = true;
+ return TypeHandle.ArrayType.MemberCache.FindMembers (
+ mt, bf, name, FilterWithClosure_delegate, null);
+ }
- if (e != null)
- return e.FindMembers (mt, bf, filter, criteria);
-
- Delegate del = (Delegate) builder_to_delegate [t];
+ //
+ // If this is a dynamic type, it's always in the `builder_to_declspace' hash table
+ // and we can ask the DeclSpace for the MemberCache.
+ //
+ if (t is TypeBuilder) {
+ DeclSpace decl = (DeclSpace) builder_to_declspace [t];
+ MemberCache cache = decl.MemberCache;
+
+ //
+ // If this DeclSpace has a MemberCache, use it.
+ //
- if (del != null)
- return del.FindMembers (mt, bf, filter, criteria);
+ if (cache != null) {
+ used_cache = true;
+ return cache.FindMembers (
+ mt, bf, name, FilterWithClosure_delegate, null);
+ }
- Interface iface = (Interface) builder_to_interface [t];
+ // If there is no MemberCache, we need to use the "normal" FindMembers.
- if (iface != null)
- return iface.FindMembers (mt, bf, filter, criteria);
-
- TypeContainer tc = (TypeContainer) builder_to_container [t];
+ MemberList list;
+ Timer.StartTimer (TimerType.FindMembers);
+ list = decl.FindMembers (mt, bf | BindingFlags.DeclaredOnly,
+ FilterWithClosure_delegate, name);
+ Timer.StopTimer (TimerType.FindMembers);
+ used_cache = false;
+ return list;
+ }
- if (tc != null)
- return tc.FindMembers (mt, bf, filter, criteria);
+ //
+ // This call will always succeed. There is exactly one TypeHandle instance per
+ // type, TypeHandle.GetTypeHandle() will either return it or create a new one
+ // if it didn't already exist.
+ //
+ TypeHandle handle = TypeHandle.GetTypeHandle (t);
- return null;
+ used_cache = true;
+ return handle.MemberCache.FindMembers (mt, bf, name, FilterWithClosure_delegate, null);
}
public static bool IsBuiltinType (Type t)
return false;
}
+ //
+ // 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.
+ //
+ public static bool IsCLRType (Type t)
+ {
+ if (t == object_type || t == int32_type || t == uint32_type ||
+ t == int64_type || t == uint64_type || t == float_type || t == double_type ||
+ t == char_type || t == short_type || t == bool_type ||
+ t == sbyte_type || t == byte_type || t == ushort_type)
+ return true;
+ else
+ return false;
+ }
+
public static bool IsDelegateType (Type t)
{
if (t.IsSubclassOf (TypeManager.delegate_type))
public static bool IsEnumType (Type t)
{
- if (t.IsSubclassOf (TypeManager.enum_type))
+ if (t == TypeManager.enum_type || t.IsSubclassOf (TypeManager.enum_type))
return true;
else
return false;
}
-
+
+ //
+ // Whether a type is unmanaged. This is used by the unsafe code (25.2)
+ //
+ public static bool IsUnmanagedType (Type t)
+ {
+ if (IsBuiltinType (t) && t != TypeManager.string_type)
+ return true;
+
+ if (IsEnumType (t))
+ return true;
+
+ if (t.IsPointer)
+ return true;
+
+ if (IsValueType (t)){
+ 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;
+ }
+ } else {
+ FieldInfo [] fields = t.GetFields ();
+
+ foreach (FieldInfo f in fields){
+ if (f.IsStatic)
+ continue;
+ if (!IsUnmanagedType (f.FieldType))
+ return false;
+ }
+ }
+ return true;
+ }
+
+ return false;
+ }
+
public static bool IsValueType (Type t)
{
- if (t.IsSubclassOf (TypeManager.value_type))
+ if (t.IsSubclassOf (TypeManager.value_type) && (t != TypeManager.enum_type))
return true;
else
return false;
public static bool IsInterfaceType (Type t)
{
- Interface iface = (Interface) builder_to_interface [t];
+ Interface iface = builder_to_declspace [t] as Interface;
if (iface != null)
return true;
public static bool IsSubclassOrNestedChildOf (Type type, Type parent)
{
do {
- if (type.IsSubclassOf (parent))
+ if ((type == parent) || type.IsSubclassOf (parent))
return true;
// Handle nested types.
return false;
}
+ //
+ // Checks whether `type' is a nested child of `parent'.
+ //
+ public static bool IsNestedChildOf (Type type, Type parent)
+ {
+ if (type == parent)
+ return false;
+
+ type = type.DeclaringType;
+ while (type != null) {
+ if ((type == parent) || type.IsSubclassOf (parent))
+ return true;
+
+ type = type.DeclaringType;
+ }
+
+ return false;
+ }
+
/// <summary>
/// Returns the User Defined Types
/// </summary>
}
}
+ 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 (MethodInfo) pair.Second;
} else
- return ei.GetAddMethod ();
+ return ei.GetRemoveMethod ();
}
static Hashtable priv_fields_events;
return true;
}
- //
- // FIXME: we need to return the accessors depending on whether
- // they are visible or not.
- //
- static public MethodInfo [] GetAccessors (PropertyInfo pi)
- {
- MethodInfo [] ret;
-
- if (pi is PropertyBuilder){
- Pair pair = (Pair) properties [pi];
-
- ret = new MethodInfo [2];
- ret [0] = (MethodInfo) pair.First;
- ret [1] = (MethodInfo) pair.Second;
-
- return ret;
- } else {
- MethodInfo [] mi = new MethodInfo [2];
-
- //
- // Why this and not pi.GetAccessors?
- // Because sometimes index 0 is the getter
- // sometimes it is 1
- //
- mi [0] = pi.GetGetMethod (true);
- mi [1] = pi.GetSetMethod (true);
-
- return mi;
- }
- }
-
- static public MethodInfo GetPropertyGetter (PropertyInfo pi)
- {
- if (pi is PropertyBuilder){
- Pair de = (Pair) properties [pi];
-
- return (MethodInfo) de.Second;
- } else
- return pi.GetSetMethod ();
- }
-
- static public MethodInfo GetPropertySetter (PropertyInfo pi)
- {
- if (pi is PropertyBuilder){
- Pair de = (Pair) properties [pi];
-
- return (MethodInfo) de.First;
- } else
- return pi.GetGetMethod ();
- }
-
/// <summary>
/// Given an array of interface types, expand and eliminate repeated ocurrences
/// of an interface.
// This is a custom version of Convert.ChangeType() which works
// with the TypeBuilder defined types when compiling corlib.
- public static object ChangeType (object value, Type conversionType)
+ public static object ChangeType (object value, Type conversionType, out bool error)
{
- if (!(value is IConvertible))
- throw new ArgumentException ();
-
+ if (!(value is IConvertible)){
+ error = true;
+ return null;
+ }
+
IConvertible convertValue = (IConvertible) value;
CultureInfo ci = CultureInfo.CurrentCulture;
NumberFormatInfo provider = ci.NumberFormat;
// the system type itself. You cannot use Type.GetTypeCode()
// on such a type - it'd always return TypeCode.Object.
//
+ error = false;
if (conversionType.Equals (typeof (Boolean)))
return (object)(convertValue.ToBoolean (provider));
else if (conversionType.Equals (typeof (Byte)))
else if (conversionType.Equals (typeof (Object)))
return (object)(value);
else
- throw new InvalidCastException ();
+ error = true;
+ return null;
}
//
//
// The name is assumed to be the same.
//
- public static ArrayList CopyNewMethods (ArrayList target_list, MemberInfo [] new_members)
+ public static ArrayList CopyNewMethods (ArrayList target_list, MemberList new_members)
{
if (target_list == null){
target_list = new ArrayList ();
//
static Type closure_invocation_type;
static Type closure_queried_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
// fields.
//
- if (m.Name != closure_name)
+ 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
MethodAttributes ma = mb.Attributes & MethodAttributes.MemberAccessMask;
if (ma == MethodAttributes.Private)
- return closure_private_ok;
+ return closure_private_ok || (closure_invocation_type == m.DeclaringType) ||
+ IsNestedChildOf (closure_invocation_type, m.DeclaringType);
//
// FamAndAssem requires that we not only derivate, but we are on the
return false;
// Family and FamANDAssem require that we derive.
- if ((ma == MethodAttributes.Family) || (ma == MethodAttributes.FamANDAssem))
- return IsSubclassOrNestedChildOf (closure_invocation_type, mb.DeclaringType);
+ if ((ma == MethodAttributes.Family) || (ma == MethodAttributes.FamANDAssem)){
+ if (closure_invocation_type == null)
+ return false;
+
+ if (!IsSubclassOrNestedChildOf (closure_invocation_type, mb.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 (!mb.IsStatic && (closure_invocation_type != closure_qualifier_type) &&
+ (closure_qualifier_type != null) &&
+ closure_invocation_type.IsSubclassOf (closure_qualifier_type))
+ return false;
+
+ return true;
+ }
// Public.
return true;
FieldAttributes fa = fi.Attributes & FieldAttributes.FieldAccessMask;
if (fa == FieldAttributes.Private)
- return closure_private_ok;
+ return closure_private_ok || (closure_invocation_type == m.DeclaringType) ||
+ IsNestedChildOf (closure_invocation_type, m.DeclaringType);
//
// FamAndAssem requires that we not only derivate, but we are on the
return false;
// Family and FamANDAssem require that we derive.
- if ((fa == FieldAttributes.Family) || (fa == FieldAttributes.FamANDAssem))
- return IsSubclassOrNestedChildOf (closure_invocation_type, fi.DeclaringType);
+ 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;
+
+ return true;
+ }
// Public.
return true;
}
//
- // EventInfos and PropertyInfos, 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 MemberFilter FilterNone_delegate = new MemberFilter (FilterNone);
+
//
// Looks up a member called `name' in the `queried_type'. This lookup
- // is done by code that is contained in the definition for `invocation_type'.
+ // is done by code that is contained in the definition for `invocation_type'
+ // through a qualifier of type `qualifier_type' (or null if there is no qualifier).
+ //
+ // `invocation_type' is used to check whether we're allowed to access the requested
+ // member wrt its protection level.
+ //
+ // When called from MemberAccess, `qualifier_type' is the type which is used to access
+ // the requested member (`class B { A a = new A (); a.foo = 5; }'; here invocation_type
+ // is B and qualifier_type is A). This is used to do the CS1540 check.
+ //
+ // When resolving a SimpleName, `qualifier_type' is null.
+ //
+ // The `qualifier_type' is used for the CS1540 check; it's normally either null or
+ // the same than `queried_type' - except when we're being called from BaseAccess;
+ // in this case, `invocation_type' is the current type and `queried_type' the base
+ // type, so this'd normally trigger a CS1540.
//
// The binding flags are `bf' and the kind of members being looked up are `mt'
//
+ // The return value always includes private members which code in `invocation_type'
+ // is allowed to access (using the specified `qualifier_type' if given); only use
+ // BindingFlags.NonPublic to bypass the permission check.
+ //
// 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 queried_type,
- MemberTypes mt, BindingFlags original_bf, string name)
+ public static MemberInfo [] MemberLookup (Type invocation_type, Type qualifier_type,
+ Type queried_type, MemberTypes mt,
+ BindingFlags original_bf, string name)
+ {
+ Timer.StartTimer (TimerType.MemberLookup);
+
+ MemberInfo[] retval = RealMemberLookup (invocation_type, qualifier_type,
+ queried_type, mt, original_bf, name);
+
+ Timer.StopTimer (TimerType.MemberLookup);
+
+ return retval;
+ }
+
+ static MemberInfo [] RealMemberLookup (Type invocation_type, Type qualifier_type,
+ Type queried_type, MemberTypes mt,
+ BindingFlags original_bf, string name)
{
BindingFlags bf = original_bf;
ArrayList method_list = null;
Type current_type = queried_type;
bool searching = (original_bf & BindingFlags.DeclaredOnly) == 0;
- bool private_ok;
+ bool skip_iface_check = true, used_cache = false;
bool always_ok_flag = false;
closure_name = name;
closure_invocation_type = invocation_type;
closure_invocation_assembly = invocation_type != null ? invocation_type.Assembly : null;
+ closure_qualifier_type = qualifier_type;
//
// If we are a nested class, we always have access to our container
if (invocation_name.IndexOf ('+') != -1){
string container = queried_type.FullName + "+";
int container_length = container.Length;
-
+
if (invocation_name.Length > container_length){
string shared = invocation_name.Substring (0, container_length);
}
do {
- MemberInfo [] mi;
+ MemberList list;
//
// `NonPublic' is lame, because it includes both protected and
// public, private and protected (internal does not come into the
// equation)
//
- if (invocation_type != null){
- if (invocation_type == current_type){
- private_ok = true;
- } else
- private_ok = always_ok_flag;
-
- if (private_ok || invocation_type.IsSubclassOf (current_type))
- bf = original_bf | BindingFlags.NonPublic;
- } else {
- private_ok = false;
- bf = original_bf & ~BindingFlags.NonPublic;
- }
+ if ((invocation_type != null) &&
+ ((invocation_type == current_type) ||
+ IsNestedChildOf (invocation_type, current_type)) ||
+ always_ok_flag)
+ bf = original_bf | BindingFlags.NonPublic;
+ else
+ bf = original_bf;
- closure_private_ok = private_ok;
+ closure_private_ok = (original_bf & BindingFlags.NonPublic) != 0;
closure_queried_type = current_type;
- mi = TypeManager.FindMembers (
- current_type, mt, bf | BindingFlags.DeclaredOnly,
- FilterWithClosure_delegate, name);
-
+ Timer.StopTimer (TimerType.MemberLookup);
+
+ list = MemberLookup_FindMembers (current_type, mt, bf, name, out used_cache);
+
+ Timer.StartTimer (TimerType.MemberLookup);
+
+ //
+ // When queried for an interface type, the cache will automatically check all
+ // inherited members, so we don't need to do this here. However, this only
+ // works if we already used the cache in the first iteration of this loop.
+ //
+ // If we used the cache in any further iteration, we can still terminate the
+ // loop since the cache always looks in all parent classes.
+ //
+
+ if (used_cache)
+ searching = false;
+ else
+ skip_iface_check = false;
+
if (current_type == TypeManager.object_type)
searching = false;
else {
current_type = TypeManager.object_type;
}
- if (mi == null)
- continue;
-
- int count = mi.Length;
-
- if (count == 0)
+ if (list.Count == 0)
continue;
-
+
//
// Events and types are returned by both `static' and `instance'
// searches, which means that our above FindMembers will
// return two copies of the same.
//
- if (count == 1 && !(mi [0] is MethodBase)){
- return mi;
+ if (list.Count == 1 && !(list [0] is MethodBase)){
+ return (MemberInfo []) list;
}
//
// Multiple properties: we query those just to find out the indexer
// name
//
- if (mi [0] is PropertyInfo)
- return mi;
+ if (list [0] is PropertyInfo)
+ return (MemberInfo []) list;
+
+ //
+ // We found an event: the cache lookup returns both the event and
+ // its private field.
+ //
+ if (list [0] is EventInfo) {
+ if ((list.Count == 2) && (list [1] is FieldInfo))
+ return new MemberInfo [] { list [0] };
+
+ // Oooops
+ return null;
+ }
//
// We found methods, turn the search into "method scan"
// mode.
//
-
- method_list = CopyNewMethods (method_list, mi);
+
+ method_list = CopyNewMethods (method_list, list);
mt &= (MemberTypes.Method | MemberTypes.Constructor);
} while (searching);
if (method_list != null && method_list.Count > 0)
return (MemberInfo []) method_list.ToArray (typeof (MemberInfo));
-
+
+ //
+ // This happens if we already used the cache in the first iteration, in this case
+ // the cache already looked in all interfaces.
+ //
+ if (skip_iface_check)
+ return null;
+
//
// Interfaces do not list members they inherit, so we have to
// scan those.
foreach (Type itype in ifaces){
MemberInfo [] x;
- x = MemberLookup (null, itype, mt, bf, name);
+ x = MemberLookup (null, null, itype, mt, bf, name);
if (x != null)
return x;
}
return null;
}
+
+ //
+ // This is used to extract properties and event declarations from a type
+ //
+ static MemberInfo [] SpecialContainerLookup (Type t, bool is_static)
+ {
+ BindingFlags bf = BindingFlags.DeclaredOnly | (is_static ? BindingFlags.Static : BindingFlags.Instance);
+
+ bf |= BindingFlags.Public | BindingFlags.NonPublic;
+
+ if (t is TypeBuilder) {
+ DeclSpace decl = (DeclSpace) builder_to_declspace [t];
+
+ return (MemberInfo []) decl.FindMembers (
+ MemberTypes.Property | MemberTypes.Event,
+ bf, FilterNone_delegate, null);
+ } else {
+ return t.FindMembers (MemberTypes.Property | MemberTypes.Event,
+ bf, FilterNone_delegate, null);
+
+ }
+ }
+
+ public static bool IsSpecialMethod (MethodBase mb)
+ {
+ Type t = mb.DeclaringType;
+
+ MemberInfo [] matches = TypeManager.SpecialContainerLookup (t, mb.IsStatic);
+ if (matches == null)
+ return false;
+
+ foreach (MemberInfo mi in matches){
+ if (mi is PropertyBuilder){
+ Pair p = (Pair) properties [mi];
+
+ if (p.First == mb || p.Second == mb)
+ return true;
+ } else if (mi is PropertyInfo){
+ MethodInfo [] methods = ((PropertyInfo) mi).GetAccessors (true);
+
+ foreach (MethodInfo m in methods){
+ if (m == mb)
+ return true;
+ }
+ } else if (mi is MyEventBuilder){
+ Pair p = (Pair) events [mi];
+
+ if (p.First == mb || p.Second == mb)
+ return true;
+ } else if (mi is EventInfo){
+ EventInfo ei = ((EventInfo) mi);
+
+ if (ei.GetAddMethod (true) == mb)
+ return true;
+
+ if (ei.GetRemoveMethod (true) == mb)
+ return true;
+
+ if (ei.GetRaiseMethod (true) == mb)
+ return true;
+ }
+ }
+
+ //
+ // Now check if it is an operator method
+ //
+ string s = mb.Name;
+
+ if (s.StartsWith ("op_")){
+ foreach (string name in Unary.oper_names){
+ if (s == name)
+ return true;
+ }
+
+ foreach (string name in Binary.oper_names){
+ if (s == name)
+ return true;
+ }
+ }
+
+ return false;
+ }
+
#endregion
}
+/// <summary>
+/// There is exactly one instance of this class per type.
+/// </summary>
+public sealed class TypeHandle : IMemberContainer {
+ public readonly TypeHandle BaseType;
+
+ readonly int id = ++next_id;
+ static int next_id = 0;
+
+ /// <summary>
+ /// Lookup a TypeHandle instance for the given type. If the type doesn't have
+ /// a TypeHandle yet, a new instance of it is created. This static method
+ /// ensures that we'll only have one TypeHandle instance per type.
+ /// </summary>
+ public static TypeHandle GetTypeHandle (Type t)
+ {
+ TypeHandle handle = (TypeHandle) type_hash [t];
+ if (handle != null)
+ return handle;
+
+ handle = new TypeHandle (t);
+ type_hash.Add (t, handle);
+ return handle;
+ }
+
+ /// <summary>
+ /// Returns the TypeHandle for TypeManager.object_type.
+ /// </summary>
+ public static IMemberContainer ObjectType {
+ get {
+ if (object_type != null)
+ return object_type;
+
+ object_type = GetTypeHandle (TypeManager.object_type);
+
+ return object_type;
+ }
+ }
+
+ /// <summary>
+ /// Returns the TypeHandle for TypeManager.array_type.
+ /// </summary>
+ public static IMemberContainer ArrayType {
+ get {
+ if (array_type != null)
+ return array_type;
+
+ array_type = GetTypeHandle (TypeManager.array_type);
+
+ return array_type;
+ }
+ }
+
+ private static PtrHashtable type_hash = new PtrHashtable ();
+
+ private static TypeHandle object_type = null;
+ private static TypeHandle array_type = null;
+
+ private Type type;
+ private bool is_interface;
+ private MemberCache member_cache;
+
+ private TypeHandle (Type type)
+ {
+ this.type = type;
+ if (type.BaseType != null)
+ BaseType = GetTypeHandle (type.BaseType);
+ else if ((type != TypeManager.object_type) && (type != typeof (object)))
+ is_interface = true;
+ this.member_cache = new MemberCache (this);
+ }
+
+ // IMemberContainer methods
+
+ public string Name {
+ get {
+ return type.FullName;
+ }
+ }
+
+ public Type Type {
+ get {
+ return type;
+ }
+ }
+
+ public IMemberContainer Parent {
+ get {
+ return BaseType;
+ }
+ }
+
+ public bool IsInterface {
+ get {
+ return is_interface;
+ }
+ }
+
+ public MemberList GetMembers (MemberTypes mt, BindingFlags bf)
+ {
+ if (mt == MemberTypes.Event)
+ return new MemberList (type.GetEvents (bf | BindingFlags.DeclaredOnly));
+ else
+ return new MemberList (type.FindMembers (mt, bf | BindingFlags.DeclaredOnly,
+ null, null));
+ }
+
+ // IMemberFinder methods
+
+ public MemberList FindMembers (MemberTypes mt, BindingFlags bf, string name,
+ MemberFilter filter, object criteria)
+ {
+ return member_cache.FindMembers (mt, bf, name, filter, criteria);
+ }
+
+ public MemberCache MemberCache {
+ get {
+ return member_cache;
+ }
+ }
+
+ public override string ToString ()
+ {
+ if (BaseType != null)
+ return "TypeHandle (" + id + "," + Name + " : " + BaseType + ")";
+ else
+ return "TypeHandle (" + id + "," + Name + ")";
+ }
+}
+
}
projects / mono.git / blobdiff