public ILInstruction(OpCode opcode, object argument, Type argumentType, ILInstructionType instructionType = ILInstructionType.OpCode)
{
OpCode = opcode;
Argument = argument;
ArgumentType = argumentType;
InstructionType = instructionType;
}
/// <summary>
/// Disassembles a call to the given method.
/// </summary>
/// <param name="type">The instruction type.</param>
/// <param name="methodToken">The token of the method to be disassembled.</param>
private void DisassembleCall(ILInstructionType type, int methodToken)
{
var method = ResolveMethod(methodToken);
var popCount = method.GetParameters().Length;
var methodInfo = method as MethodInfo;
int pushCount = 0;
if (methodInfo != null)
{
popCount += method.GetParameterOffset();
if (methodInfo.ReturnType != typeof(void))
{
pushCount = 1;
}
}
else if (method is ConstructorInfo)
{
if (type == ILInstructionType.Newobj)
{
// We have to push the new object
pushCount += 1;
}
else
{
Debug.Assert(type == ILInstructionType.Call, "Invalid constructor call");
popCount += 1;
}
}
AppendInstruction(type, (ushort)popCount, (ushort)pushCount, method);
}
public ILInstruction(
int offset,
ILInstructionType type,
ILInstructionFlagsContext flagsContext,
ushort popCount,
ushort pushCount,
object argument)
: this(offset, type, flagsContext, popCount, pushCount, argument, null)
{
}
/// <summary>
/// Appends an instruction to the current instruction list.
/// </summary>
/// <param name="type">The instruction type.</param>
/// <param name="popCount">
/// The number of elements to pop from the stack.
/// </param>
/// <param name="pushCount">
/// The number of elements to push onto the stack.
/// </param>
/// <param name="argument">The argument of the instruction.</param>
private void AppendInstruction(
ILInstructionType type,
ushort popCount,
ushort pushCount,
object argument = null) =>
AppendInstructionWithFlags(
type,
popCount,
pushCount,
ILInstructionFlags.None,
argument);
/// <summary>
/// Appends an instruction to the current instruction list.
/// </summary>
/// <param name="type">The instruction type.</param>
/// <param name="popCount">The number of elements to pop from the stack.</param>
/// <param name="pushCount">The number of elements to push onto the stack.</param>
/// <param name="additionalFlags">Additional instruction flags.</param>
/// <param name="argument">The argument of the instruction.</param>
private void AppendInstructionWithFlags(
ILInstructionType type,
ushort popCount,
ushort pushCount,
ILInstructionFlags additionalFlags,
object argument = null)
{
// Merge with current flags
instructions.Add(new ILInstruction(
instructionOffset,
type,
new ILInstructionFlagsContext(additionalFlags | flags, flagsArgument),
popCount,
pushCount,
argument,
CurrentSequencePoint));
}
public ILInstruction(
int offset,
ILInstructionType type,
ILInstructionFlagsContext flagsContext,
ushort popCount,
ushort pushCount,
object argument,
Location location)
{
Offset = offset;
InstructionType = type;
FlagsContext = flagsContext;
PopCount = popCount;
PushCount = pushCount;
Argument = argument;
Location = location ?? Location.Unknown;
}
public ILInstruction(
int offset,
ILInstructionType type,
ILInstructionFlagsContext flagsContext,
ushort popCount,
ushort pushCount,
object argument,
SequencePoint sequencePoint)
{
Offset = offset;
InstructionType = type;
FlagsContext = flagsContext;
PopCount = popCount;
PushCount = pushCount;
Argument = argument;
SequencePoint = sequencePoint;
}
public ILInstruction(
int offset,
ILInstructionType type,
ILInstructionFlagsContext flagsContext,
ushort popCount,
ushort pushCount,
object argument)
: this(
offset,
type,
flagsContext,
popCount,
pushCount,
argument,
SequencePoint.Invalid)
{
}
/// <summary>
/// Disassembles a call to the given method.
/// </summary>
/// <param name="type">The instruction type.</param>
/// <param name="methodToken">The token of the method to be disassembled.</param>
private void DisassembleCall(ILInstructionType type, int methodToken)
{
var method = ResolveMethod(methodToken);
var popCount = method.GetParameters().Length;
var methodInfo = method as MethodInfo;
int pushCount = 0;
if (methodInfo != null)
{
popCount += method.GetParameterOffset();
if (methodInfo.ReturnType != typeof(void))
{
pushCount = 1;
}
}
else if (method is ConstructorInfo)
{
pushCount = 1;
}
AppendInstruction(type, (ushort)popCount, (ushort)pushCount, method);
}
public ILInstruction(int nextInstructionPosition, ILInstructionType type, params string[] args) {
this.Type = type;
this.Arguments = args;
this.NextInstructionPosition = nextInstructionPosition;
}
protected LinkedListNode<ILInstruction> Instructions_Add(ILInstructionType type, params string[] args)
{
return this._Instructions.AddLast(new ILInstruction(this.Position, type, args));
}
