public static void ValidateCode(string code, MethodBody body)
{
var builder = new StringBuilder();
foreach (var instruction in body.Instructions)
{
builder.AppendLine(String.Format("{0}{1}", instruction.OpCode.Name,
instruction.Operand != null ? " " + instruction.OperandToString() : String.Empty));
}
Assert.IsTrue(code.TrimEnd() == builder.ToString().TrimEnd());
}
public static ExceptionHandler FromReader(MethodBody methodBody, IBinaryStreamReader reader, bool fatFormat)
{
var offset = reader.Position;
var handerType = fatFormat ? reader.ReadUInt32() : reader.ReadUInt16();
var tryOffset = fatFormat ? reader.ReadInt32() : reader.ReadUInt16();
var tryLength = fatFormat ? reader.ReadInt32() : reader.ReadByte();
var handlerOffset = fatFormat ? reader.ReadInt32() : reader.ReadUInt16();
var handlerLength = fatFormat ? reader.ReadInt32() : reader.ReadByte();
var classTokenOrFilterOffset = reader.ReadUInt32();
var handler = new ExceptionHandler((ExceptionHandlerType)handerType)
{
StartOffset = offset,
IsFat = fatFormat,
TryStart = methodBody.GetInstructionByOffset(tryOffset),
TryEnd = methodBody.GetInstructionByOffset(tryOffset + tryLength),
HandlerStart = methodBody.GetInstructionByOffset(handlerOffset),
HandlerEnd = methodBody.GetInstructionByOffset(handlerOffset + handlerLength),
};
switch (handler.HandlerType)
{
case ExceptionHandlerType.Exception:
handler.CatchType = (ITypeDefOrRef)((IOperandResolver)methodBody).ResolveMember(new MetadataToken(classTokenOrFilterOffset));
break;
case ExceptionHandlerType.Filter:
handler.FilterStart = methodBody.GetInstructionByOffset((int)classTokenOrFilterOffset);
break;
}
return handler;
}
public MethodBodyOperandBuilder(NetBuildingContext buildingContext, MethodBody owner)
{
if (buildingContext == null)
throw new ArgumentNullException("buildingContext");
if (owner == null)
throw new ArgumentNullException("owner");
_buildingContext = buildingContext;
_owner = owner;
}
public static MethodBody FromReadingContext(MethodDefinition method, ReadingContext context)
{
var reader = context.Reader;
var body = new MethodBody(method)
{
StartOffset = reader.Position,
};
var bodyHeader = reader.ReadByte();
uint codeSize;
if ((bodyHeader & 0x3) == 0x3)
{
reader.Position--;
var fatBodyHeader = reader.ReadUInt16();
var headerSize = (fatBodyHeader >> 12) * 4;
var hasSections = (fatBodyHeader & 0x8) == 0x8;
body.InitLocals = (fatBodyHeader & 0x10) == 0x10;
body.MaxStack = reader.ReadUInt16();
codeSize = reader.ReadUInt32();
var localVarSig = reader.ReadUInt32();
if (localVarSig != 0)
{
var header = method.Header;
var tableStream = header.GetStream<TableStream>();
MetadataMember signature;
tableStream.TryResolveMember(new MetadataToken(localVarSig), out signature);
body.Signature = signature as StandAloneSignature;
}
if (hasSections)
{
body._sectionReadingContext = context.CreateSubContext(reader.Position + codeSize);
body._sectionReadingContext.Reader.Align(4);
}
}
else if ((bodyHeader & 0x2) == 0x2)
{
codeSize = (uint)(bodyHeader >> 2);
body.MaxStack = 8;
}
else
throw new ArgumentException("Invalid method body header signature.");
body._msilReadingContext = context.CreateSubContext(reader.Position, (int)codeSize);
return body;
}
public static void ValidateCode(string code, MethodBody body)
{
var builder = new StringBuilder();
foreach (var instruction in body.Instructions)
{
builder.AppendLine(String.Format("{0}{1}", instruction.OpCode.Name,
instruction.Operand != null ? " " + instruction.OperandToString() : String.Empty));
}
Assert.IsTrue(code.TrimEnd() == builder.ToString().TrimEnd());
}
