mirror of https://github.com/icsharpcode/ILSpy.git
7 changed files with 164 additions and 10 deletions
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// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Reflection.Metadata; |
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using System.Reflection.Metadata.Ecma335; |
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using System.Runtime.InteropServices; |
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using System.Text; |
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using System.Threading.Tasks; |
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using System.Windows.Controls; |
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using ICSharpCode.Decompiler; |
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using ICSharpCode.Decompiler.Disassembler; |
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using ICSharpCode.Decompiler.IL; |
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using ICSharpCode.Decompiler.Metadata; |
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using ICSharpCode.ILSpy.TextView; |
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using ICSharpCode.ILSpy.TreeNodes; |
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namespace ICSharpCode.ILSpy.Metadata |
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{ |
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class ClassLayoutTableTreeNode : ILSpyTreeNode |
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{ |
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private PEFile module; |
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public ClassLayoutTableTreeNode(PEFile module) |
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{ |
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this.module = module; |
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} |
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public override object Text => $"0F ClassLayout ({module.Metadata.GetTableRowCount(TableIndex.ClassLayout)})"; |
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public override object Icon => Images.Literal; |
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public unsafe override bool View(ViewModels.TabPageModel tabPage) |
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{ |
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tabPage.Title = Text.ToString(); |
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tabPage.SupportsLanguageSwitching = false; |
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var view = Helpers.PrepareDataGrid(tabPage); |
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var metadata = module.Metadata; |
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var list = new List<ClassLayoutEntry>(); |
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var length = metadata.GetTableRowCount(TableIndex.ClassLayout); |
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byte* ptr = metadata.MetadataPointer; |
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int metadataOffset = module.Reader.PEHeaders.MetadataStartOffset; |
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for (int rid = 1; rid <= length; rid++) { |
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list.Add(new ClassLayoutEntry(module, ptr, metadataOffset, rid)); |
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} |
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view.ItemsSource = list; |
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tabPage.Content = view; |
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return true; |
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} |
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readonly struct ClassLayout |
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{ |
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public readonly ushort PackingSize; |
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public readonly EntityHandle Parent; |
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public readonly uint ClassSize; |
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public unsafe ClassLayout(byte *ptr, bool small) |
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{ |
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PackingSize = (ushort)(ptr[0] | (ptr[1] << 8)); |
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ClassSize = (uint)(ptr[2] | (ptr[3] << 8) | (ptr[4] << 16) | (ptr[5] << 24)); |
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Parent = MetadataTokens.TypeDefinitionHandle(small ? (int)(ptr[6] | (ptr[7] << 8)) : (int)(ptr[6] | (ptr[7] << 8) | (ptr[8] << 16) | (ptr[9] << 24))); |
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} |
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} |
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unsafe struct ClassLayoutEntry |
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{ |
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readonly PEFile module; |
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readonly MetadataReader metadata; |
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readonly ClassLayout classLayout; |
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public int RID { get; } |
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public int Token => 0x0F000000 | RID; |
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public int Offset { get; } |
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[StringFormat("X8")] |
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public int Parent => MetadataTokens.GetToken(classLayout.Parent); |
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public string ParentTooltip { |
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get { |
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return null; |
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ITextOutput output = new PlainTextOutput(); |
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var context = new GenericContext(default(TypeDefinitionHandle), module); |
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((EntityHandle)classLayout.Parent).WriteTo(module, output, context); |
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return output.ToString(); |
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} |
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} |
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[StringFormat("X4")] |
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public ushort PackingSize => classLayout.PackingSize; |
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[StringFormat("X8")] |
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public uint ClassSize => classLayout.ClassSize; |
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public ClassLayoutEntry(PEFile module, byte* ptr, int metadataOffset, int row) |
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{ |
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this.module = module; |
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this.metadata = module.Metadata; |
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this.RID = row; |
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var rowOffset = metadata.GetTableMetadataOffset(TableIndex.ClassLayout) |
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+ metadata.GetTableRowSize(TableIndex.ClassLayout) * (row - 1); |
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this.Offset = metadataOffset + rowOffset; |
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this.classLayout = new ClassLayout(ptr, metadata.GetTableRowCount(TableIndex.TypeDef) <= ushort.MaxValue); |
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} |
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} |
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public override void Decompile(Language language, ITextOutput output, DecompilationOptions options) |
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{ |
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language.WriteCommentLine(output, "CustomAttributes"); |
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} |
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} |
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} |
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