71 lines
2.3 KiB
C#
71 lines
2.3 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Diagnostics;
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using dnlib.DotNet;
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using dnlib.DotNet.Emit;
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using dnlib.IO;
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using dnSpy.Contracts.Decompiler;
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namespace dnSpy.AsmEditor.MethodBody {
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sealed class MethodBodyOptions {
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public MethodBodyType BodyType;
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public MethodImplAttributes CodeType;
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public NativeMethodBodyOptions NativeMethodBodyOptions = new NativeMethodBodyOptions();
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public CilBodyOptions CilBodyOptions = new CilBodyOptions();
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public MethodBodyOptions() {
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}
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public MethodBodyOptions(MethodDef method) {
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CodeType = method.CodeType;
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if (method.MethodBody is CilBody cilBody) {
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var headerRva = method.RVA;
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var headerFileOffset = (FileOffset)(method.Module.ToFileOffset((uint)headerRva) ?? (uint)headerRva);
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var rva = headerRva + method.Body.HeaderSize;
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var fileOffset = headerFileOffset + method.Body.HeaderSize;
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CilBodyOptions = new CilBodyOptions(cilBody, headerRva, headerFileOffset, rva, fileOffset);
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BodyType = MethodBodyType.Cil;
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}
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else if (method.MethodBody is NativeMethodBody nativeBody) {
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NativeMethodBodyOptions = new NativeMethodBodyOptions(nativeBody);
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BodyType = MethodBodyType.Native;
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}
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else
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BodyType = MethodBodyType.None;
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}
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public MethodDef CopyTo(MethodDef method) {
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method.CodeType = CodeType;
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if (BodyType == MethodBodyType.Cil)
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method.MethodBody = CilBodyOptions.Create();
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else if (BodyType == MethodBodyType.Native)
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method.MethodBody = NativeMethodBodyOptions.Create();
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else {
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Debug.Assert(BodyType == MethodBodyType.None);
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if (BodyType != MethodBodyType.None)
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throw new InvalidOperationException();
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method.MethodBody = null;
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}
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return method;
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}
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}
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}
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