80 lines
3.2 KiB
C#
80 lines
3.2 KiB
C#
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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.Threading;
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using dnlib.DotNet;
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using dnlib.DotNet.Emit;
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using dnSpy.Analyzer.Properties;
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using dnSpy.Contracts.Decompiler;
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using dnSpy.Contracts.Text;
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namespace dnSpy.Analyzer.TreeNodes {
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/// <summary>
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/// Shows the methods that are used by this method.
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/// </summary>
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sealed class MethodUsesNode : SearchNode {
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readonly MethodDef analyzedMethod;
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public MethodUsesNode(MethodDef analyzedMethod) => this.analyzedMethod = analyzedMethod ?? throw new ArgumentNullException(nameof(analyzedMethod));
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protected override void Write(ITextColorWriter output, IDecompiler decompiler) =>
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output.Write(BoxedTextColor.Text, dnSpy_Analyzer_Resources.UsesTreeNode);
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readonly struct DefRef<T> where T : IDnlibDef {
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public readonly T Def;
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public readonly SourceRef SourceRef;
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public DefRef(T def, SourceRef sourceRef) {
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Def = def;
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SourceRef = sourceRef;
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}
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}
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protected override IEnumerable<AnalyzerTreeNodeData> FetchChildren(CancellationToken ct) {
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foreach (var f in GetUsedFields().Distinct()) {
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yield return new FieldNode(f.Def) { Context = Context, SourceRef = f.SourceRef };
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}
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foreach (var m in GetUsedMethods().Distinct()) {
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yield return new MethodNode(m.Def) { Context = Context, SourceRef = m.SourceRef };
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}
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}
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IEnumerable<DefRef<MethodDef>> GetUsedMethods() {
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foreach (Instruction instr in analyzedMethod.Body.Instructions) {
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if (instr.Operand is IMethod mr && !mr.IsField) {
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MethodDef def = mr.ResolveMethodDef();
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if (def is not null)
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yield return new DefRef<MethodDef>(def, new SourceRef(analyzedMethod, instr.Offset, instr.Operand as IMDTokenProvider));
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}
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}
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}
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IEnumerable<DefRef<FieldDef>> GetUsedFields() {
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foreach (Instruction instr in analyzedMethod.Body.Instructions) {
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if (instr.Operand is IField fr && !fr.IsMethod) {
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FieldDef def = fr.ResolveFieldDef();
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if (def is not null)
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yield return new DefRef<FieldDef>(def, new SourceRef(analyzedMethod, instr.Offset, instr.Operand as IMDTokenProvider));
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}
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}
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}
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}
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}
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