2021-09-20 18:20:01 +02:00

76 lines
3.6 KiB
C#

/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using dnlib.DotNet.MD;
namespace dnSpy.Debugger.DotNet.Metadata.Impl.MD {
sealed class DmdMethodDefMD : DmdMethodDef {
public override DmdMethodImplAttributes MethodImplementationFlags { get; }
public override DmdMethodAttributes Attributes { get; }
public override string Name { get; }
readonly DmdEcma335MetadataReader reader;
readonly DmdMethodSignature methodSignature;
public DmdMethodDefMD(DmdEcma335MetadataReader reader, RawMethodRow row, uint rid, string name, DmdType declaringType, DmdType reflectedType) : base(rid, declaringType, reflectedType) {
this.reader = reader ?? throw new ArgumentNullException(nameof(reader));
MethodImplementationFlags = (DmdMethodImplAttributes)row.ImplFlags;
Attributes = (DmdMethodAttributes)row.Flags;
Name = name ?? throw new ArgumentNullException(nameof(name));
methodSignature = reader.ReadMethodSignature(row.Signature, DeclaringType!.GetGenericArguments(), GetGenericArguments(), isProperty: false);
}
protected override DmdType[]? CreateGenericParameters() => reader.CreateGenericParameters(this);
public override DmdMethodBody? GetMethodBody() => reader.GetMethodBody(this, DeclaringType!.GetGenericArguments(), GetGenericArguments());
internal override DmdMethodBody? GetMethodBody(IList<DmdType> genericMethodArguments) => reader.GetMethodBody(this, DeclaringType!.GetGenericArguments(), genericMethodArguments);
public override DmdMethodSignature GetMethodSignature() => methodSignature;
protected override (DmdParameterInfo? returnParameter, DmdParameterInfo[] parameters) CreateParameters() => reader.CreateParameters(this, createReturnParameter: true);
protected override (DmdCustomAttributeData[]? cas, DmdCustomAttributeData[]? sas, DmdImplMap? implMap) CreateCustomAttributes() {
var cas = reader.ReadCustomAttributes(MetadataToken);
var sas = reader.ReadSecurityAttributes(MetadataToken);
DmdImplMap? implMap;
if (IsPinvokeImpl) {
if (!reader.TablesStream.TryReadImplMapRow(reader.Metadata.GetImplMapRid(Table.Method, Rid), out var row))
implMap = null;
else {
var name = reader.StringsStream.ReadNoNull(row.ImportName);
reader.TablesStream.TryReadModuleRefRow(row.ImportScope, out var modRow);
var module = reader.StringsStream.ReadNoNull(modRow.Name);
implMap = new DmdImplMap((DmdPInvokeAttributes)row.MappingFlags, name, module);
}
}
else
implMap = null;
return (cas, sas, implMap);
}
private protected override DmdMethodSignature GetMethodSignatureCore(IList<DmdType> genericMethodArguments) {
bool b = reader.TablesStream.TryReadMethodRow(Rid, out var row);
Debug.Assert(b);
return reader.ReadMethodSignature(row.Signature, DeclaringType!.GetGenericArguments(), genericMethodArguments, isProperty: false);
}
protected override uint GetRVA() => reader.GetRVA(this);
}
}