public void WriteToken(string token) { // Attach member reference to token only if there's no identifier in the current node. IMemberRef memberRef = GetCurrentMemberReference(); var node = nodeStack.Peek(); if (memberRef != null && HasNoIdentifier(node)) { output.WriteReference(token, memberRef); } else if (CSharpOutputVisitor.IsKeyword(token, node)) { output.WriteKeyword(token); } else if (node is PrimitiveExpression) { output.WriteLiteral(token); } else { output.Write(token); } }
public static void WriteOperand(ITextOutput writer, object operand) { if (operand == null) throw new ArgumentNullException("operand"); Instruction targetInstruction = operand as Instruction; if (targetInstruction != null) { WriteOffsetReference(writer, targetInstruction); return; } Instruction[] targetInstructions = operand as Instruction[]; if (targetInstructions != null) { WriteLabelList(writer, targetInstructions); return; } Local local = operand as Local; if (local != null) { if (string.IsNullOrEmpty(local.Name)) writer.WriteReference("[" + local.Index.ToString() + "]", local, true); else writer.WriteReference(Escape(local.Name), local, true); return; } Parameter param = operand as Parameter; if (param != null) { if (string.IsNullOrEmpty(param.Name)) writer.WriteReference("[" + param.Index.ToString() + "]", param, true); else writer.WriteReference(Escape(param.Name), param, true); return; } IMethod methodRef = operand as IMethod; if (methodRef != null && dnlibExtensions.IsMethod(methodRef)) { methodRef.WriteTo(writer); writer.WriteComment(" // 0x" + methodRef.MDToken.Raw.ToString("x8")); return; } ITypeDefOrRef typeRef = operand as ITypeDefOrRef; if (typeRef != null) { typeRef.WriteTo(writer, ILNameSyntax.TypeName); writer.WriteComment(" // 0x" + typeRef.MDToken.Raw.ToString("x8")); return; } IField fieldRef = operand as IField; if (fieldRef != null && dnlibExtensions.IsField(fieldRef)) { fieldRef.WriteTo(writer); writer.WriteComment(" // 0x" + fieldRef.MDToken.Raw.ToString("x8")); return; } string s = operand as string; if (s != null) { writer.WriteLiteral("\"" + NRefactory.CSharp.CSharpOutputVisitor.ConvertString(s) + "\""); } else if (operand is char) { writer.WriteLiteral(((int)(char)operand).ToString()); } else if (operand is float) { float val = (float)operand; if (val == 0) { if (1 / val == float.NegativeInfinity) { // negative zero is a special case writer.WriteLiteral("-"); } writer.WriteLiteral("0.0"); } else if (float.IsInfinity(val) || float.IsNaN(val)) { byte[] data = BitConverter.GetBytes(val); writer.Write('('); for (int i = 0; i < data.Length; i++) { if (i > 0) writer.WriteLiteral(" "); writer.WriteLiteral(data[i].ToString("X2")); } writer.Write(')'); } else { writer.WriteLiteral(val.ToString("R", System.Globalization.CultureInfo.InvariantCulture)); } } else if (operand is double) { double val = (double)operand; if (val == 0) { if (1 / val == double.NegativeInfinity) { // negative zero is a special case writer.WriteLiteral("-"); } writer.WriteLiteral("0.0"); } else if (double.IsInfinity(val) || double.IsNaN(val)) { byte[] data = BitConverter.GetBytes(val); writer.Write('('); for (int i = 0; i < data.Length; i++) { if (i > 0) writer.WriteLiteral(" "); writer.WriteLiteral(data[i].ToString("X2")); } writer.Write(')'); } else { writer.WriteLiteral(val.ToString("R", System.Globalization.CultureInfo.InvariantCulture)); } } else if (operand is bool) { writer.WriteLiteral((bool)operand ? "true" : "false"); } else { s = ToInvariantCultureString(operand); writer.WriteLiteral(s); } }
public static void WriteOperand(ITextOutput writer, object operand) { if (operand == null) { throw new ArgumentNullException("operand"); } Instruction targetInstruction = operand as Instruction; if (targetInstruction != null) { WriteOffsetReference(writer, targetInstruction); return; } Instruction[] targetInstructions = operand as Instruction[]; if (targetInstructions != null) { WriteLabelList(writer, targetInstructions); return; } Local local = operand as Local; if (local != null) { if (string.IsNullOrEmpty(local.Name)) { writer.WriteReference("[" + local.Index.ToString() + "]", local, true); } else { writer.WriteReference(Escape(local.Name), local, true); } return; } Parameter param = operand as Parameter; if (param != null) { if (string.IsNullOrEmpty(param.Name)) { writer.WriteReference("[" + param.Index.ToString() + "]", param, true); } else { writer.WriteReference(Escape(param.Name), param, true); } return; } IMethod methodRef = operand as IMethod; if (methodRef != null && dnlibExtensions.IsMethod(methodRef)) { methodRef.WriteTo(writer); writer.WriteComment(" // 0x" + methodRef.MDToken.Raw.ToString("x8")); return; } ITypeDefOrRef typeRef = operand as ITypeDefOrRef; if (typeRef != null) { typeRef.WriteTo(writer, ILNameSyntax.TypeName); writer.WriteComment(" // 0x" + typeRef.MDToken.Raw.ToString("x8")); return; } IField fieldRef = operand as IField; if (fieldRef != null && dnlibExtensions.IsField(fieldRef)) { fieldRef.WriteTo(writer); writer.WriteComment(" // 0x" + fieldRef.MDToken.Raw.ToString("x8")); return; } string s = operand as string; if (s != null) { writer.WriteLiteral("\"" + NRefactory.CSharp.CSharpOutputVisitor.ConvertString(s) + "\""); } else if (operand is char) { writer.WriteLiteral(((int)(char)operand).ToString()); } else if (operand is float) { float val = (float)operand; if (val == 0) { if (1 / val == float.NegativeInfinity) { // negative zero is a special case writer.WriteLiteral("-"); } writer.WriteLiteral("0.0"); } else if (float.IsInfinity(val) || float.IsNaN(val)) { byte[] data = BitConverter.GetBytes(val); writer.Write('('); for (int i = 0; i < data.Length; i++) { if (i > 0) { writer.WriteLiteral(" "); } writer.WriteLiteral(data[i].ToString("X2")); } writer.Write(')'); } else { writer.WriteLiteral(val.ToString("R", System.Globalization.CultureInfo.InvariantCulture)); } } else if (operand is double) { double val = (double)operand; if (val == 0) { if (1 / val == double.NegativeInfinity) { // negative zero is a special case writer.WriteLiteral("-"); } writer.WriteLiteral("0.0"); } else if (double.IsInfinity(val) || double.IsNaN(val)) { byte[] data = BitConverter.GetBytes(val); writer.Write('('); for (int i = 0; i < data.Length; i++) { if (i > 0) { writer.WriteLiteral(" "); } writer.WriteLiteral(data[i].ToString("X2")); } writer.Write(')'); } else { writer.WriteLiteral(val.ToString("R", System.Globalization.CultureInfo.InvariantCulture)); } } else if (operand is bool) { writer.WriteLiteral((bool)operand ? "true" : "false"); } else { s = ToInvariantCultureString(operand); writer.WriteLiteral(s); } }
public void Disassemble(MethodDef method, CilBody body, MemberMapping methodMapping) { // start writing IL code output.WriteLineComment("// Method Token is 0x{0:x8}", method.MDToken.Raw); output.WriteLineComment("// Method begins at RVA 0x{0:x}", method.RVA); output.WriteLineComment("// Code size {0} (0x{0:x})", body.GetCodeSize()); output.WriteKeyword(".maxstack "); output.WriteLiteral(body.MaxStack.ToString()); output.WriteLine(); if (method.DeclaringType.Module.Assembly != null && method.DeclaringType.Module.EntryPoint == method) { output.WriteKeyword(".entrypoint"); output.WriteLine(); } if (method.Body.HasVariables) { output.WriteKeyword(".locals "); if (method.Body.InitLocals) { output.WriteKeyword("init "); } output.WriteLine("("); output.Indent(); foreach (var v in method.Body.Variables) { output.WriteDefinition("[" + v.Index + "]", v, true); output.Write(" "); v.Type.WriteTo(output); if (!string.IsNullOrEmpty(v.Name)) { output.Write(' '); output.Write(DisassemblerHelpers.Escape(v.Name)); } if (v.Index + 1 < method.Body.Variables.Count) { output.Write(','); } output.WriteLine(); } output.Unindent(); output.WriteLine(")"); } output.WriteLine(); if (detectControlStructure && body.Instructions.Count > 0) { Instruction inst = body.Instructions[0]; var branchTargets = GetBranchTargets(body.Instructions); WriteStructureBody(method, body, new ILStructure(body), branchTargets, ref inst, methodMapping, method.Body.GetCodeSize()); } else { foreach (var inst in method.Body.Instructions) { var startLocation = output.Location; inst.WriteTo(method, body, output); if (methodMapping != null) { var next = inst.GetNext(body); // add IL code mappings - used in debugger methodMapping.MemberCodeMappings.Add( new SourceCodeMapping() { StartLocation = output.Location, EndLocation = output.Location, ILInstructionOffset = new ILRange { From = inst.Offset, To = next == null ? method.Body.GetCodeSize() : next.Offset }, MemberMapping = methodMapping }); } output.WriteLine(); } if (method.Body.HasExceptionHandlers) { output.WriteLine(); foreach (var eh in method.Body.ExceptionHandlers) { eh.WriteTo(output); output.WriteLine(); } } } }