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 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
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
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
//
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, takes care of the fact that
/// reflection expects nested types to be separated from the main type
if (t != null)
return t;
-#if SIMPLE_SPEEDUP
+ // Two thirds of the failures are caught here.
if (negative_hits.Contains (name))
return null;
-#endif
-
- //
- // Optimization: ComposedCast will work with an existing type, and might already have the
- // full name of the type, so the full system lookup can probably be avoided.
- //
-
+
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)
+ if (t == null){
+ negative_hits [top_level_type] = true;
continue;
+ }
}
if (count == n){
return null;
string newt = top_level_type + "+" + String.Join ("+", elements, n, count - n);
- t = LookupTypeDirect (newt);
- if (t != null)
- types [newt] = t;
+ //Console.WriteLine ("Looking up: " + newt + " " + name);
+ t = LookupTypeReflection (newt);
+ if (t == null)
+ negative_hits [name] = true;
+ else
+ types [name] = t;
return t;
}
-
-#if SIMPLE_SPEEDUP
negative_hits [name] = true;
-#endif
return null;
}
- static Hashtable assemblies_namespaces = new Hashtable ();
-
- //
- // Returns a list of all namespaces in the assemblies and types loaded.
- //
- static Hashtable ExtractAssemblyNamespaces ()
- {
- foreach (Assembly a in assemblies){
- foreach (Type t in a.GetTypes ()){
- string ns = t.Namespace;
-
- if (assemblies_namespaces.Contains (ns))
- continue;
- assemblies_namespaces [ns] = ns;
- }
- }
-
- return assemblies_namespaces;
- }
+ // Total list of known namespaces for the compilation
+ static string [] namespaces;
static Hashtable AddModuleNamespaces (Hashtable h)
{
/// <summary>
- /// Returns the list of namespaces that are active for this executable
+ /// Computes the namespaces that we import from the assemblies we reference.
/// </summary>
- public static Hashtable GetAssemblyNamespaces (string executable_name)
- {
- string cache_name = executable_name + ".nsc";
- Hashtable cached_namespaces = LoadCache (cache_name);
-
- if (cached_namespaces != null)
- assemblies_namespaces = cached_namespaces;
- else {
- Console.WriteLine ("rebuilding namespace cache");
- assemblies_namespaces = ExtractAssemblyNamespaces ();
- SaveCache (cache_name);
- }
-
- return assemblies_namespaces;
- }
-
- public static Hashtable GetNamespaces ()
- {
- if (assemblies_namespaces == null)
- assemblies_namespaces = ExtractAssemblyNamespaces ();
-
- Hashtable nh = (Hashtable) assemblies_namespaces.Clone ();
-
- return AddModuleNamespaces (nh);
- }
-
- //
- // Loads the namespace cache for the given executable name
- //
- static Hashtable LoadCache (string cache_file)
+ public static void ComputeNamespaces ()
{
- if (!File.Exists (cache_file)){
- Console.WriteLine ("Cache not found");
- return null;
- }
-
+ MethodInfo assembly_get_namespaces = typeof (Assembly).GetMethod ("GetNamespaces");
- Hashtable cached_module_list, cached_namespaces;
- try {
- using (FileStream fs = File.OpenRead (cache_file)){
- StreamReader reader = new StreamReader (fs);
-
- int assembly_count = Int32.Parse (reader.ReadLine ());
+ //
+ // 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;
- if (assembly_count != assemblies.Length){
- Console.WriteLine ("Assembly missmatch ({0}, {1})", assembly_count, assemblies.Length);
- return null;
+ // 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;
- int namespace_count = Int32.Parse (reader.ReadLine ());
-
- cached_module_list = new Hashtable (assembly_count);
- for (int i = 0; i < assembly_count; i++)
- cached_module_list [reader.ReadLine ()] = true;
-
- cached_namespaces = new Hashtable (namespace_count);
- for (int i = 0; i < namespace_count; i++){
- string s = reader.ReadLine ();
- cached_namespaces [s] = s;
+ 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;
}
}
-
- //
- // Now, check that the cache is still valid
- //
- foreach (Assembly a in assemblies)
- if (cached_module_list [a.CodeBase] == null){
- Console.WriteLine ("assembly not found in cache: " + a.CodeBase);
- return null;
- }
+ namespaces_hash [name] = true;
+ }
- return cached_namespaces;
- } catch {
+ //
+ // Store it sorted
+ //
+ int idx = 0;
+ TypeManager.namespaces = new string [namespaces_hash.Count];
+ foreach (string ns in namespaces_hash.Keys){
+ namespaces [idx++] = ns;
}
- return null;
+ Array.Sort (namespaces);
}
- static void SaveCache (string cache_file)
+ public static bool IsNamespace (string name)
{
- try {
- using (FileStream fs = File.OpenWrite (cache_file)){
- StreamWriter writer = new StreamWriter (fs);
-
- writer.WriteLine (assemblies.Length);
- writer.WriteLine (assemblies_namespaces.Count);
-
- foreach (Assembly a in assemblies)
- writer.WriteLine (a.CodeBase);
-
- foreach (DictionaryEntry de in assemblies_namespaces){
- writer.WriteLine ((string) de.Key);
- }
-
- writer.Flush ();
- fs.Flush ();
- }
- } catch (Exception e) {
- Console.WriteLine ("Failed: " + e);
- }
+ if (Array.BinarySearch (namespaces, name) < 0)
+ return false;
+
+ return true;
}
-
- public static void GetAllTypes ()
- {
- Hashtable namespaces = new Hashtable ();
- foreach (Assembly a in assemblies){
- foreach (Type t in a.GetTypes ()){
- }
- }
+ public static bool NamespaceClash (string name)
+ {
+ if (Array.BinarySearch (namespaces, name) < 0)
+ return false;
- foreach (ModuleBuilder mb in modules){
- foreach (Type t in mb.GetTypes ()){
- }
- }
+ Report.Error (519, String.Format ("`{0}' clashes with a predefined namespace", name));
+ return true;
}
-
/// <summary>
/// Returns the C# name of a type if possible, or the full type name otherwise
/// </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");
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");
//
- // Temporary while people upgrade their corlibs
- //
- //
- // Change from LookupType to CoreLookupType before release
+ // Sigh. Remove this before the release. Wonder what versions of Mono
+ // people are running.
//
guid_attr_type = LookupType ("System.Runtime.InteropServices.GuidAttribute");
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");
}
}
}
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;
// 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)) {
+ if (t == TypeManager.array_type || t.IsSubclassOf (TypeManager.array_type)) {
used_cache = true;
return TypeHandle.ArrayType.MemberCache.FindMembers (
mt, bf, name, FilterWithClosure_delegate, null);
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;
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 IsNestedChildOf (Type type, Type parent)
{
- if ((type == parent) || type.IsSubclassOf (parent))
+ if (type == parent)
return false;
- else
- return IsSubclassOrNestedChildOf (type, parent);
+
+ type = type.DeclaringType;
+ while (type != null) {
+ if ((type == parent) || type.IsSubclassOf (parent))
+ return true;
+
+ type = type.DeclaringType;
+ }
+
+ return false;
}
/// <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;
// 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;
}
//
//
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
MethodAttributes ma = mb.Attributes & MethodAttributes.MemberAccessMask;
if (ma == MethodAttributes.Private)
- return closure_private_ok || (closure_invocation_type == m.DeclaringType);
+ 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
FieldAttributes fa = fi.Attributes & FieldAttributes.FieldAccessMask;
if (fa == FieldAttributes.Private)
- return closure_private_ok || (closure_invocation_type == m.DeclaringType);
+ 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
}
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
else
bf = original_bf;
- closure_private_ok = (bf & BindingFlags.NonPublic) != 0;
+ closure_private_ok = (original_bf & BindingFlags.NonPublic) != 0;
closure_queried_type = current_type;
Timer.StopTimer (TimerType.MemberLookup);
if (list.Count == 0)
continue;
-
+
//
// Events and types are returned by both `static' and `instance'
// searches, which means that our above FindMembers will
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, list);
mt &= (MemberTypes.Method | MemberTypes.Constructor);
} while (searching);
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
}