653 lines
17 KiB
C#
653 lines
17 KiB
C#
//
|
|
// Author:
|
|
// Jb Evain (jbevain@gmail.com)
|
|
//
|
|
// Copyright (c) 2008 - 2015 Jb Evain
|
|
// Copyright (c) 2008 - 2011 Novell, Inc.
|
|
//
|
|
// Licensed under the MIT/X11 license.
|
|
//
|
|
|
|
using System;
|
|
|
|
using Mono.Cecil.Metadata;
|
|
|
|
namespace Mono.Cecil {
|
|
|
|
static partial class Mixin {
|
|
|
|
public const int TableCount = 58;
|
|
public const int CodedIndexCount = 14;
|
|
|
|
public static uint ReadCompressedUInt32 (this byte [] data, ref int position)
|
|
{
|
|
uint integer;
|
|
if ((data [position] & 0x80) == 0) {
|
|
integer = data [position];
|
|
position++;
|
|
} else if ((data [position] & 0x40) == 0) {
|
|
integer = (uint) (data [position] & ~0x80) << 8;
|
|
integer |= data [position + 1];
|
|
position += 2;
|
|
} else {
|
|
integer = (uint) (data [position] & ~0xc0) << 24;
|
|
integer |= (uint) data [position + 1] << 16;
|
|
integer |= (uint) data [position + 2] << 8;
|
|
integer |= (uint) data [position + 3];
|
|
position += 4;
|
|
}
|
|
return integer;
|
|
}
|
|
|
|
public static MetadataToken GetMetadataToken (this CodedIndex self, uint data)
|
|
{
|
|
uint rid;
|
|
TokenType token_type;
|
|
switch (self) {
|
|
case CodedIndex.TypeDefOrRef:
|
|
rid = data >> 2;
|
|
switch (data & 3) {
|
|
case 0:
|
|
token_type = TokenType.TypeDef; goto ret;
|
|
case 1:
|
|
token_type = TokenType.TypeRef; goto ret;
|
|
case 2:
|
|
token_type = TokenType.TypeSpec; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasConstant:
|
|
rid = data >> 2;
|
|
switch (data & 3) {
|
|
case 0:
|
|
token_type = TokenType.Field; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Param; goto ret;
|
|
case 2:
|
|
token_type = TokenType.Property; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasCustomAttribute:
|
|
rid = data >> 5;
|
|
switch (data & 31) {
|
|
case 0:
|
|
token_type = TokenType.Method; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Field; goto ret;
|
|
case 2:
|
|
token_type = TokenType.TypeRef; goto ret;
|
|
case 3:
|
|
token_type = TokenType.TypeDef; goto ret;
|
|
case 4:
|
|
token_type = TokenType.Param; goto ret;
|
|
case 5:
|
|
token_type = TokenType.InterfaceImpl; goto ret;
|
|
case 6:
|
|
token_type = TokenType.MemberRef; goto ret;
|
|
case 7:
|
|
token_type = TokenType.Module; goto ret;
|
|
case 8:
|
|
token_type = TokenType.Permission; goto ret;
|
|
case 9:
|
|
token_type = TokenType.Property; goto ret;
|
|
case 10:
|
|
token_type = TokenType.Event; goto ret;
|
|
case 11:
|
|
token_type = TokenType.Signature; goto ret;
|
|
case 12:
|
|
token_type = TokenType.ModuleRef; goto ret;
|
|
case 13:
|
|
token_type = TokenType.TypeSpec; goto ret;
|
|
case 14:
|
|
token_type = TokenType.Assembly; goto ret;
|
|
case 15:
|
|
token_type = TokenType.AssemblyRef; goto ret;
|
|
case 16:
|
|
token_type = TokenType.File; goto ret;
|
|
case 17:
|
|
token_type = TokenType.ExportedType; goto ret;
|
|
case 18:
|
|
token_type = TokenType.ManifestResource; goto ret;
|
|
case 19:
|
|
token_type = TokenType.GenericParam; goto ret;
|
|
case 20:
|
|
token_type = TokenType.GenericParamConstraint; goto ret;
|
|
case 21:
|
|
token_type = TokenType.MethodSpec; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasFieldMarshal:
|
|
rid = data >> 1;
|
|
switch (data & 1) {
|
|
case 0:
|
|
token_type = TokenType.Field; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Param; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasDeclSecurity:
|
|
rid = data >> 2;
|
|
switch (data & 3) {
|
|
case 0:
|
|
token_type = TokenType.TypeDef; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Method; goto ret;
|
|
case 2:
|
|
token_type = TokenType.Assembly; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.MemberRefParent:
|
|
rid = data >> 3;
|
|
switch (data & 7) {
|
|
case 0:
|
|
token_type = TokenType.TypeDef; goto ret;
|
|
case 1:
|
|
token_type = TokenType.TypeRef; goto ret;
|
|
case 2:
|
|
token_type = TokenType.ModuleRef; goto ret;
|
|
case 3:
|
|
token_type = TokenType.Method; goto ret;
|
|
case 4:
|
|
token_type = TokenType.TypeSpec; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasSemantics:
|
|
rid = data >> 1;
|
|
switch (data & 1) {
|
|
case 0:
|
|
token_type = TokenType.Event; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Property; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.MethodDefOrRef:
|
|
rid = data >> 1;
|
|
switch (data & 1) {
|
|
case 0:
|
|
token_type = TokenType.Method; goto ret;
|
|
case 1:
|
|
token_type = TokenType.MemberRef; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.MemberForwarded:
|
|
rid = data >> 1;
|
|
switch (data & 1) {
|
|
case 0:
|
|
token_type = TokenType.Field; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Method; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.Implementation:
|
|
rid = data >> 2;
|
|
switch (data & 3) {
|
|
case 0:
|
|
token_type = TokenType.File; goto ret;
|
|
case 1:
|
|
token_type = TokenType.AssemblyRef; goto ret;
|
|
case 2:
|
|
token_type = TokenType.ExportedType; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.CustomAttributeType:
|
|
rid = data >> 3;
|
|
switch (data & 7) {
|
|
case 2:
|
|
token_type = TokenType.Method; goto ret;
|
|
case 3:
|
|
token_type = TokenType.MemberRef; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.ResolutionScope:
|
|
rid = data >> 2;
|
|
switch (data & 3) {
|
|
case 0:
|
|
token_type = TokenType.Module; goto ret;
|
|
case 1:
|
|
token_type = TokenType.ModuleRef; goto ret;
|
|
case 2:
|
|
token_type = TokenType.AssemblyRef; goto ret;
|
|
case 3:
|
|
token_type = TokenType.TypeRef; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.TypeOrMethodDef:
|
|
rid = data >> 1;
|
|
switch (data & 1) {
|
|
case 0:
|
|
token_type = TokenType.TypeDef; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Method; goto ret;
|
|
default: goto exit;
|
|
}
|
|
case CodedIndex.HasCustomDebugInformation:
|
|
rid = data >> 5;
|
|
switch (data & 31) {
|
|
case 0:
|
|
token_type = TokenType.Method; goto ret;
|
|
case 1:
|
|
token_type = TokenType.Field; goto ret;
|
|
case 2:
|
|
token_type = TokenType.TypeRef; goto ret;
|
|
case 3:
|
|
token_type = TokenType.TypeDef; goto ret;
|
|
case 4:
|
|
token_type = TokenType.Param; goto ret;
|
|
case 5:
|
|
token_type = TokenType.InterfaceImpl; goto ret;
|
|
case 6:
|
|
token_type = TokenType.MemberRef; goto ret;
|
|
case 7:
|
|
token_type = TokenType.Module; goto ret;
|
|
case 8:
|
|
token_type = TokenType.Permission; goto ret;
|
|
case 9:
|
|
token_type = TokenType.Property; goto ret;
|
|
case 10:
|
|
token_type = TokenType.Event; goto ret;
|
|
case 11:
|
|
token_type = TokenType.Signature; goto ret;
|
|
case 12:
|
|
token_type = TokenType.ModuleRef; goto ret;
|
|
case 13:
|
|
token_type = TokenType.TypeSpec; goto ret;
|
|
case 14:
|
|
token_type = TokenType.Assembly; goto ret;
|
|
case 15:
|
|
token_type = TokenType.AssemblyRef; goto ret;
|
|
case 16:
|
|
token_type = TokenType.File; goto ret;
|
|
case 17:
|
|
token_type = TokenType.ExportedType; goto ret;
|
|
case 18:
|
|
token_type = TokenType.ManifestResource; goto ret;
|
|
case 19:
|
|
token_type = TokenType.GenericParam; goto ret;
|
|
case 20:
|
|
token_type = TokenType.GenericParamConstraint; goto ret;
|
|
case 21:
|
|
token_type = TokenType.MethodSpec; goto ret;
|
|
case 22:
|
|
token_type = TokenType.Document; goto ret;
|
|
case 23:
|
|
token_type = TokenType.LocalScope; goto ret;
|
|
case 24:
|
|
token_type = TokenType.LocalVariable; goto ret;
|
|
case 25:
|
|
token_type = TokenType.LocalConstant; goto ret;
|
|
case 26:
|
|
token_type = TokenType.ImportScope; goto ret;
|
|
default:
|
|
goto exit;
|
|
}
|
|
default:
|
|
goto exit;
|
|
}
|
|
ret:
|
|
return new MetadataToken (token_type, rid);
|
|
exit:
|
|
return MetadataToken.Zero;
|
|
}
|
|
|
|
#if !READ_ONLY
|
|
public static uint CompressMetadataToken (this CodedIndex self, MetadataToken token)
|
|
{
|
|
uint ret = 0;
|
|
if (token.RID == 0)
|
|
return ret;
|
|
switch (self) {
|
|
case CodedIndex.TypeDefOrRef:
|
|
ret = token.RID << 2;
|
|
switch (token.TokenType) {
|
|
case TokenType.TypeDef:
|
|
return ret | 0;
|
|
case TokenType.TypeRef:
|
|
return ret | 1;
|
|
case TokenType.TypeSpec:
|
|
return ret | 2;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasConstant:
|
|
ret = token.RID << 2;
|
|
switch (token.TokenType) {
|
|
case TokenType.Field:
|
|
return ret | 0;
|
|
case TokenType.Param:
|
|
return ret | 1;
|
|
case TokenType.Property:
|
|
return ret | 2;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasCustomAttribute:
|
|
ret = token.RID << 5;
|
|
switch (token.TokenType) {
|
|
case TokenType.Method:
|
|
return ret | 0;
|
|
case TokenType.Field:
|
|
return ret | 1;
|
|
case TokenType.TypeRef:
|
|
return ret | 2;
|
|
case TokenType.TypeDef:
|
|
return ret | 3;
|
|
case TokenType.Param:
|
|
return ret | 4;
|
|
case TokenType.InterfaceImpl:
|
|
return ret | 5;
|
|
case TokenType.MemberRef:
|
|
return ret | 6;
|
|
case TokenType.Module:
|
|
return ret | 7;
|
|
case TokenType.Permission:
|
|
return ret | 8;
|
|
case TokenType.Property:
|
|
return ret | 9;
|
|
case TokenType.Event:
|
|
return ret | 10;
|
|
case TokenType.Signature:
|
|
return ret | 11;
|
|
case TokenType.ModuleRef:
|
|
return ret | 12;
|
|
case TokenType.TypeSpec:
|
|
return ret | 13;
|
|
case TokenType.Assembly:
|
|
return ret | 14;
|
|
case TokenType.AssemblyRef:
|
|
return ret | 15;
|
|
case TokenType.File:
|
|
return ret | 16;
|
|
case TokenType.ExportedType:
|
|
return ret | 17;
|
|
case TokenType.ManifestResource:
|
|
return ret | 18;
|
|
case TokenType.GenericParam:
|
|
return ret | 19;
|
|
case TokenType.GenericParamConstraint:
|
|
return ret | 20;
|
|
case TokenType.MethodSpec:
|
|
return ret | 21;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasFieldMarshal:
|
|
ret = token.RID << 1;
|
|
switch (token.TokenType) {
|
|
case TokenType.Field:
|
|
return ret | 0;
|
|
case TokenType.Param:
|
|
return ret | 1;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasDeclSecurity:
|
|
ret = token.RID << 2;
|
|
switch (token.TokenType) {
|
|
case TokenType.TypeDef:
|
|
return ret | 0;
|
|
case TokenType.Method:
|
|
return ret | 1;
|
|
case TokenType.Assembly:
|
|
return ret | 2;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.MemberRefParent:
|
|
ret = token.RID << 3;
|
|
switch (token.TokenType) {
|
|
case TokenType.TypeDef:
|
|
return ret | 0;
|
|
case TokenType.TypeRef:
|
|
return ret | 1;
|
|
case TokenType.ModuleRef:
|
|
return ret | 2;
|
|
case TokenType.Method:
|
|
return ret | 3;
|
|
case TokenType.TypeSpec:
|
|
return ret | 4;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasSemantics:
|
|
ret = token.RID << 1;
|
|
switch (token.TokenType) {
|
|
case TokenType.Event:
|
|
return ret | 0;
|
|
case TokenType.Property:
|
|
return ret | 1;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.MethodDefOrRef:
|
|
ret = token.RID << 1;
|
|
switch (token.TokenType) {
|
|
case TokenType.Method:
|
|
return ret | 0;
|
|
case TokenType.MemberRef:
|
|
return ret | 1;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.MemberForwarded:
|
|
ret = token.RID << 1;
|
|
switch (token.TokenType) {
|
|
case TokenType.Field:
|
|
return ret | 0;
|
|
case TokenType.Method:
|
|
return ret | 1;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.Implementation:
|
|
ret = token.RID << 2;
|
|
switch (token.TokenType) {
|
|
case TokenType.File:
|
|
return ret | 0;
|
|
case TokenType.AssemblyRef:
|
|
return ret | 1;
|
|
case TokenType.ExportedType:
|
|
return ret | 2;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.CustomAttributeType:
|
|
ret = token.RID << 3;
|
|
switch (token.TokenType) {
|
|
case TokenType.Method:
|
|
return ret | 2;
|
|
case TokenType.MemberRef:
|
|
return ret | 3;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.ResolutionScope:
|
|
ret = token.RID << 2;
|
|
switch (token.TokenType) {
|
|
case TokenType.Module:
|
|
return ret | 0;
|
|
case TokenType.ModuleRef:
|
|
return ret | 1;
|
|
case TokenType.AssemblyRef:
|
|
return ret | 2;
|
|
case TokenType.TypeRef:
|
|
return ret | 3;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.TypeOrMethodDef:
|
|
ret = token.RID << 1;
|
|
switch (token.TokenType) {
|
|
case TokenType.TypeDef:
|
|
return ret | 0;
|
|
case TokenType.Method:
|
|
return ret | 1;
|
|
default:
|
|
goto exit;
|
|
}
|
|
case CodedIndex.HasCustomDebugInformation:
|
|
ret = token.RID << 5;
|
|
switch (token.TokenType) {
|
|
case TokenType.Method:
|
|
return ret | 0;
|
|
case TokenType.Field:
|
|
return ret | 1;
|
|
case TokenType.TypeRef:
|
|
return ret | 2;
|
|
case TokenType.TypeDef:
|
|
return ret | 3;
|
|
case TokenType.Param:
|
|
return ret | 4;
|
|
case TokenType.InterfaceImpl:
|
|
return ret | 5;
|
|
case TokenType.MemberRef:
|
|
return ret | 6;
|
|
case TokenType.Module:
|
|
return ret | 7;
|
|
case TokenType.Permission:
|
|
return ret | 8;
|
|
case TokenType.Property:
|
|
return ret | 9;
|
|
case TokenType.Event:
|
|
return ret | 10;
|
|
case TokenType.Signature:
|
|
return ret | 11;
|
|
case TokenType.ModuleRef:
|
|
return ret | 12;
|
|
case TokenType.TypeSpec:
|
|
return ret | 13;
|
|
case TokenType.Assembly:
|
|
return ret | 14;
|
|
case TokenType.AssemblyRef:
|
|
return ret | 15;
|
|
case TokenType.File:
|
|
return ret | 16;
|
|
case TokenType.ExportedType:
|
|
return ret | 17;
|
|
case TokenType.ManifestResource:
|
|
return ret | 18;
|
|
case TokenType.GenericParam:
|
|
return ret | 19;
|
|
case TokenType.GenericParamConstraint:
|
|
return ret | 20;
|
|
case TokenType.MethodSpec:
|
|
return ret | 21;
|
|
case TokenType.Document:
|
|
return ret | 22;
|
|
case TokenType.LocalScope:
|
|
return ret | 23;
|
|
case TokenType.LocalVariable:
|
|
return ret | 24;
|
|
case TokenType.LocalConstant:
|
|
return ret | 25;
|
|
case TokenType.ImportScope:
|
|
return ret | 26;
|
|
default:
|
|
goto exit;
|
|
}
|
|
default:
|
|
goto exit;
|
|
}
|
|
exit:
|
|
throw new ArgumentException ();
|
|
}
|
|
#endif
|
|
|
|
public static int GetSize (this CodedIndex self, Func<Table, int> counter)
|
|
{
|
|
int bits;
|
|
Table [] tables;
|
|
|
|
switch (self) {
|
|
case CodedIndex.TypeDefOrRef:
|
|
bits = 2;
|
|
tables = new [] { Table.TypeDef, Table.TypeRef, Table.TypeSpec };
|
|
break;
|
|
case CodedIndex.HasConstant:
|
|
bits = 2;
|
|
tables = new [] { Table.Field, Table.Param, Table.Property };
|
|
break;
|
|
case CodedIndex.HasCustomAttribute:
|
|
bits = 5;
|
|
tables = new [] {
|
|
Table.Method, Table.Field, Table.TypeRef, Table.TypeDef, Table.Param, Table.InterfaceImpl, Table.MemberRef,
|
|
Table.Module, Table.DeclSecurity, Table.Property, Table.Event, Table.StandAloneSig, Table.ModuleRef,
|
|
Table.TypeSpec, Table.Assembly, Table.AssemblyRef, Table.File, Table.ExportedType,
|
|
Table.ManifestResource, Table.GenericParam, Table.GenericParamConstraint, Table.MethodSpec,
|
|
};
|
|
break;
|
|
case CodedIndex.HasFieldMarshal:
|
|
bits = 1;
|
|
tables = new [] { Table.Field, Table.Param };
|
|
break;
|
|
case CodedIndex.HasDeclSecurity:
|
|
bits = 2;
|
|
tables = new [] { Table.TypeDef, Table.Method, Table.Assembly };
|
|
break;
|
|
case CodedIndex.MemberRefParent:
|
|
bits = 3;
|
|
tables = new [] { Table.TypeDef, Table.TypeRef, Table.ModuleRef, Table.Method, Table.TypeSpec };
|
|
break;
|
|
case CodedIndex.HasSemantics:
|
|
bits = 1;
|
|
tables = new [] { Table.Event, Table.Property };
|
|
break;
|
|
case CodedIndex.MethodDefOrRef:
|
|
bits = 1;
|
|
tables = new [] { Table.Method, Table.MemberRef };
|
|
break;
|
|
case CodedIndex.MemberForwarded:
|
|
bits = 1;
|
|
tables = new [] { Table.Field, Table.Method };
|
|
break;
|
|
case CodedIndex.Implementation:
|
|
bits = 2;
|
|
tables = new [] { Table.File, Table.AssemblyRef, Table.ExportedType };
|
|
break;
|
|
case CodedIndex.CustomAttributeType:
|
|
bits = 3;
|
|
tables = new [] { Table.Method, Table.MemberRef };
|
|
break;
|
|
case CodedIndex.ResolutionScope:
|
|
bits = 2;
|
|
tables = new [] { Table.Module, Table.ModuleRef, Table.AssemblyRef, Table.TypeRef };
|
|
break;
|
|
case CodedIndex.TypeOrMethodDef:
|
|
bits = 1;
|
|
tables = new [] { Table.TypeDef, Table.Method };
|
|
break;
|
|
case CodedIndex.HasCustomDebugInformation:
|
|
bits = 5;
|
|
tables = new[] {
|
|
Table.Method, Table.Field, Table.TypeRef, Table.TypeDef, Table.Param, Table.InterfaceImpl, Table.MemberRef,
|
|
Table.Module, Table.DeclSecurity, Table.Property, Table.Event, Table.StandAloneSig, Table.ModuleRef,
|
|
Table.TypeSpec, Table.Assembly, Table.AssemblyRef, Table.File, Table.ExportedType,
|
|
Table.ManifestResource, Table.GenericParam, Table.GenericParamConstraint, Table.MethodSpec,
|
|
Table.Document, Table.LocalScope, Table.LocalVariable, Table.LocalConstant, Table.ImportScope,
|
|
};
|
|
break;
|
|
default:
|
|
throw new ArgumentException ();
|
|
}
|
|
|
|
int max = 0;
|
|
|
|
for (int i = 0; i < tables.Length; i++) {
|
|
max = System.Math.Max (counter (tables [i]), max);
|
|
}
|
|
|
|
return max < (1 << (16 - bits)) ? 2 : 4;
|
|
}
|
|
}
|
|
}
|