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();
}
}
}
}
