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//
// Mono.ILASM.TypeDef
//
// Author(s):
// Jackson Harper (Jackson@LatitudeGeo.com)
//
// (C) 2003 Jackson Harper, All rights reserved
//
using System;
using System.Collections;
using System.Security;
namespace Mono.ILASM {
public class TypeDef : ICustomAttrTarget, IDeclSecurityTarget, IComparable {
private PEAPI.TypeAttr attr;
private string name_space;
private string name;
private bool is_defined;
private bool is_intransit;
private BaseClassRef parent;
private ArrayList impl_list;
private PEAPI.ClassDef classdef;
private Hashtable field_table;
private ArrayList field_list;
private Hashtable method_table;
private ArrayList customattr_list;
private DeclSecurity decl_sec;
private ArrayList event_list;
private ArrayList property_list;
private GenericParameters gen_params;
private ArrayList override_list;
private ArrayList override_long_list;
private TypeDef outer;
private EventDef current_event;
private PropertyDef current_property;
private int size;
private int pack;
private bool is_value_class;
private bool is_enum_class;
private Location location;
public TypeDef (PEAPI.TypeAttr attr, string name_space, string name,
BaseClassRef parent, ArrayList impl_list, Location location, GenericParameters gen_params, TypeDef outer)
{
this.attr = attr;
this.parent = parent;
this.impl_list = impl_list;
this.gen_params = gen_params;
this.outer = outer;
this.location = location;
field_table = new Hashtable ();
field_list = new ArrayList ();
method_table = new Hashtable ();
size = -1;
pack = -1;
is_defined = false;
is_intransit = false;
is_value_class = false;
is_enum_class = false;
ResolveGenParams ();
int lastdot = name.LastIndexOf ('.');
/* Namespace . name split should not be done for nested classes */
if (lastdot >= 0 && outer == null) {
if (name_space == null || name_space == "")
this.name_space = name.Substring (0, lastdot);
else
this.name_space = name_space + "." + name.Substring (0, lastdot);
this.name = name.Substring (lastdot + 1);
} else {
this.name_space = name_space;
this.name = name;
}
//Fixup attributes
if (IsInterface)
this.attr |= PEAPI.TypeAttr.Abstract;
}
public string Name {
get { return name; }
}
public string FullName {
get { return MakeFullName (); }
}
public string NestedFullName {
get { return (outer == null ? FullName : (outer.NestedFullName + "/" + FullName)); }
}
public TypeDef OuterType {
get { return outer; }
}
public PEAPI.ClassDef PeapiType {
get { return classdef; }
}
public PEAPI.ClassDef ClassDef {
get { return classdef; }
}
public bool IsGenericType {
get { return (gen_params == null); }
}
public bool IsDefined {
get { return is_defined; }
}
public EventDef CurrentEvent {
get { return current_event; }
}
public PropertyDef CurrentProperty {
get { return current_property; }
}
public bool IsInterface {
get { return (attr & PEAPI.TypeAttr.Interface) != 0; }
}
public bool IsAbstract {
get { return (attr & PEAPI.TypeAttr.Abstract) != 0; }
}
public GenericParameters TypeParameters {
get { return gen_params; }
}
public DeclSecurity DeclSecurity {
get {
if (decl_sec == null)
decl_sec = new DeclSecurity ();
return decl_sec;
}
}
public void AddOverride (MethodDef body, BaseTypeRef parent, string name)
{
if (override_list == null)
override_list = new ArrayList ();
override_list.Add (new DictionaryEntry (body,
new DictionaryEntry (parent, name)));
}
public void AddOverride (string sig, BaseMethodRef decl)
{
if (override_long_list == null)
override_long_list = new ArrayList ();
override_long_list.Add (new DictionaryEntry (sig,
decl));
}
public void MakeValueClass ()
{
is_value_class = true;
}
public void MakeEnumClass ()
{
is_enum_class = true;
}
public void SetSize (int size)
{
this.size = size;
}
public void SetPack (int pack)
{
this.pack = pack;
}
public void AddFieldDef (FieldDef fielddef)
{
if (IsInterface && !fielddef.IsStatic) {
Report.Warning ("Non-static field in interface, set to such");
fielddef.Attributes |= PEAPI.FieldAttr.Static;
}
DictionaryEntry entry = new DictionaryEntry (fielddef.Name, fielddef.Type.FullName);
if (field_table [entry] != null)
Report.Error ("Duplicate field declaration: " + fielddef.Type.FullName + " " + fielddef.Name);
field_table.Add (entry, fielddef);
field_list.Add (fielddef);
}
public void AddMethodDef (MethodDef methoddef)
{
if (IsInterface && !methoddef.IsStatic && (!methoddef.IsVirtual || !methoddef.IsAbstract)) {
Report.Warning (methoddef.StartLocation, "Non-virtual or non-abstract instance method in interface, set to such");
methoddef.Attributes |= PEAPI.MethAttr.Abstract | PEAPI.MethAttr.Virtual;
}
if (method_table [methoddef.Signature] != null)
Report.Error (methoddef.StartLocation, "Duplicate method declaration: " + methoddef.Signature);
method_table.Add (methoddef.Signature, methoddef);
}
public void BeginEventDef (EventDef event_def)
{
if (current_event != null)
Report.Error ("An event definition was not closed.");
current_event = event_def;
}
public void EndEventDef ()
{
if (event_list == null)
event_list = new ArrayList ();
event_list.Add (current_event);
current_event = null;
}
public void BeginPropertyDef (PropertyDef property_def)
{
if (current_property != null)
Report.Error ("A property definition was not closed.");
current_property = property_def;
}
public void EndPropertyDef ()
{
if (property_list == null)
property_list = new ArrayList ();
property_list.Add (current_property);
current_property = null;
}
public void AddCustomAttribute (CustomAttr customattr)
{
if (customattr_list == null)
customattr_list = new ArrayList ();
customattr_list.Add (customattr);
}
public GenericParameter GetGenericParam (string id)
{
if (gen_params == null)
return null;
return gen_params.GetGenericParam (id);
}
public GenericParameter GetGenericParam (int index)
{
if (gen_params == null || index < 0 || index >= gen_params.Count)
return null;
return gen_params [index];
}
public int GetGenericParamNum (string id)
{
if (gen_params == null)
return -1;
return gen_params.GetGenericParamNum (id);
}
/* Resolve any GenParams in constraints, parent & impl_list */
private void ResolveGenParams ()
{
if (gen_params == null)
return;
gen_params.ResolveConstraints (gen_params, null);
BaseGenericTypeRef gtr = parent as BaseGenericTypeRef;
if (gtr != null)
gtr.Resolve (gen_params, null);
if (impl_list == null)
return;
foreach (BaseClassRef impl in impl_list) {
gtr = impl as BaseGenericTypeRef;
if (gtr != null)
gtr.Resolve (gen_params, null);
}
}
private bool IsValueType (string ns, string name)
{
return (ns == "System" && name == "ValueType");
}
private bool IsEnumType (string ns, string name)
{
return (ns == "System" && name == "Enum");
}
public void Define (CodeGen code_gen)
{
if (is_defined)
return;
if (is_intransit) {
// Circular definition
Report.Error ("Circular definition of class: " + FullName);
}
if (outer != null) {
PEAPI.TypeAttr vis = attr & PEAPI.TypeAttr.VisibilityMask;
if (vis == PEAPI.TypeAttr.Private || vis == PEAPI.TypeAttr.Public) {
/* Nested class, but attr not set accordingly. */
Report.Warning (location, String.Format ("Nested class '{0}' has non-nested visibility, set to such.", NestedFullName));
attr = attr ^ vis;
attr |= (vis == PEAPI.TypeAttr.Public ? PEAPI.TypeAttr.NestedPublic : PEAPI.TypeAttr.NestedPrivate);
}
}
if (parent != null) {
is_intransit = true;
parent.Resolve (code_gen);
is_intransit = false;
if (parent.PeapiClass == null) {
Report.Error ("this type can not be a base type: "
+ parent);
}
if (IsValueType (parent.PeapiClass.nameSpace, parent.PeapiClass.name))
is_value_class = true;
else if (IsEnumType (parent.PeapiClass.nameSpace, parent.PeapiClass.name))
is_enum_class = true;
if (!IsValueType (name_space, name) && !IsEnumType (name_space, name) &&
is_value_class && (attr & PEAPI.TypeAttr.Sealed) == 0) {
Report.Warning (location, "Non-sealed value class, made sealed.");
attr |= PEAPI.TypeAttr.Sealed;
}
if (outer != null) {
if (!outer.IsDefined)
outer.Define (code_gen);
classdef = outer.PeapiType.AddNestedClass (attr,
name_space, name, parent.PeapiClass);
} else {
if (is_value_class || is_enum_class) {
// Should probably confirm that the parent is System.ValueType
classdef = code_gen.PEFile.AddValueClass (attr,
name_space, name, is_value_class ? PEAPI.ValueClass.ValueType : PEAPI.ValueClass.Enum);
} else {
classdef = code_gen.PEFile.AddClass (attr,
name_space, name, parent.PeapiClass);
}
}
} else {
if (outer != null) {
if (!outer.IsDefined)
outer.Define (code_gen);
classdef = outer.PeapiType.AddNestedClass (attr,
name_space, name);
} else {
if (is_value_class || is_enum_class) {
classdef = code_gen.PEFile.AddValueClass (attr,
name_space, name, is_value_class ? PEAPI.ValueClass.ValueType : PEAPI.ValueClass.Enum);
} else {
classdef = code_gen.PEFile.AddClass (attr,
name_space, name);
}
}
if (FullName == "System.Object")
classdef.SpecialNoSuper ();
}
is_defined = true;
if (size != -1 || pack != -1)
classdef.AddLayoutInfo ( (pack == -1) ? 1 : pack, (size == -1) ? 0 : size);
if (impl_list != null) {
foreach (BaseClassRef impl in impl_list) {
impl.Resolve (code_gen);
classdef.AddImplementedInterface (impl.PeapiClass);
}
}
if (gen_params != null)
gen_params.Resolve (code_gen, classdef);
is_intransit = false;
code_gen.AddToDefineContentsList (this);
}
public void DefineContents (CodeGen code_gen)
{
ArrayList fielddef_list = new ArrayList ();
foreach (FieldDef fielddef in field_list) {
fielddef.Define (code_gen, classdef);
fielddef_list.Add (fielddef.PeapiFieldDef);
}
classdef.SetFieldOrder (fielddef_list);
foreach (MethodDef methoddef in method_table.Values) {
methoddef.Define (code_gen);
}
if (event_list != null) {
foreach (EventDef eventdef in event_list) {
eventdef.Define (code_gen, classdef);
}
}
if (property_list != null) {
foreach (PropertyDef propdef in property_list) {
propdef.Define (code_gen, classdef);
}
}
if (customattr_list != null) {
foreach (CustomAttr customattr in customattr_list) {
customattr.AddTo (code_gen, classdef);
if (customattr.IsSuppressUnmanaged (code_gen))
classdef.AddAttribute (PEAPI.TypeAttr.HasSecurity);
}
}
/// Add declarative security to this class
if (decl_sec != null) {
decl_sec.AddTo (code_gen, classdef);
classdef.AddAttribute (PEAPI.TypeAttr.HasSecurity);
}
if (override_list != null) {
foreach (DictionaryEntry entry in override_list) {
MethodDef body = (MethodDef) entry.Key;
DictionaryEntry decl = (DictionaryEntry) entry.Value;
BaseTypeRef parent_type = (BaseTypeRef) decl.Key;
parent_type.Resolve (code_gen);
string over_name = (string) decl.Value;
BaseMethodRef over_meth = parent_type.GetMethodRef (body.RetType,
body.CallConv, over_name, body.ParamTypeList (), body.GenParamCount);
over_meth.Resolve (code_gen);
classdef.AddMethodOverride (over_meth.PeapiMethod,
body.PeapiMethodDef);
}
}
if (override_long_list != null) {
foreach (DictionaryEntry entry in override_long_list) {
string sig = (string) entry.Key;
BaseMethodRef decl = (BaseMethodRef) entry.Value;
MethodDef body = (MethodDef) method_table[sig];
decl.Resolve (code_gen);
classdef.AddMethodOverride (decl.PeapiMethod,
body.PeapiMethodDef);
}
}
}
public PEAPI.Method ResolveMethod (BaseTypeRef ret_type, PEAPI.CallConv call_conv,
string name, BaseTypeRef [] param, int gen_param_count, CodeGen code_gen)
{
string signature = MethodDef.CreateSignature (ret_type, name, param, gen_param_count);
MethodDef methoddef = (MethodDef) method_table[signature];
if (methoddef != null)
return methoddef.Resolve (code_gen, classdef);
return ResolveAsMethodRef (ret_type, call_conv, name, param, gen_param_count, code_gen);
}
public PEAPI.Method ResolveVarargMethod (BaseTypeRef ret_type, PEAPI.CallConv call_conv,
string name, BaseTypeRef [] param, int gen_param_count, PEAPI.Type [] opt, CodeGen code_gen)
{
string signature = MethodDef.CreateVarargSignature (ret_type, name, param);
MethodDef methoddef = (MethodDef) method_table[signature];
if (methoddef != null) {
methoddef.Resolve (code_gen, classdef);
return methoddef.GetVarargSig (opt);
}
return ResolveAsMethodRef (ret_type, call_conv, name, param, gen_param_count, code_gen);
}
private PEAPI.Method ResolveAsMethodRef (BaseTypeRef ret_type, PEAPI.CallConv call_conv,
string name, BaseTypeRef [] param, int gen_param_count, CodeGen code_gen)
{
ExternTypeRef type_ref = code_gen.ThisModule.GetTypeRef (FullName, false);
ExternMethodRef methodref = (ExternMethodRef) type_ref.GetMethodRef (ret_type, call_conv, name, param, gen_param_count);
methodref.Resolve (code_gen);
return methodref.PeapiMethod;
}
public PEAPI.Field ResolveField (string name, BaseTypeRef ret_type, CodeGen code_gen)
{
FieldDef fielddef = (FieldDef) field_table[new DictionaryEntry (name, ret_type.FullName)];
if (fielddef !=null)
return fielddef.Resolve (code_gen, classdef);
ExternTypeRef type_ref = code_gen.ThisModule.GetTypeRef (FullName, false);
IFieldRef fieldref = type_ref.GetFieldRef (ret_type, name);
fieldref.Resolve (code_gen);
return fieldref.PeapiField;
}
private string MakeFullName ()
{
if (name_space == null || name_space == String.Empty)
return name;
return name_space + "." + name;
}
public int CompareTo (object obj)
{
TypeDef type_def = (TypeDef) obj;
return FullName.CompareTo (type_def.FullName);
}
}
}
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