public MethodReference ConsumeArgMethodRef(Instruction methodRefInstruction)
{
return(ConsumeArgMethodRefBuilder(methodRefInstruction).Build());
MethodRefBuilder ConsumeArgMethodRefBuilder(Instruction instruction)
{
if (instruction.OpCode.FlowControl != FlowControl.Call || !(instruction.Operand is MethodReference method))
{
throw UnexpectedInstruction(instruction, "a method call");
}
switch (method.FullName)
{
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var methodName = ConsumeArgString(args[1]);
var paramTypes = ConsumeArgArray(args[2], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.MethodByNameAndSignature(Module, typeRef, methodName, null, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String,System.Int32,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var methodName = ConsumeArgString(args[1]);
var genericParameterCount = ConsumeArgInt32(args[2]);
var paramTypes = ConsumeArgArray(args[3], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.MethodByNameAndSignature(Module, typeRef, methodName, genericParameterCount, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, methodName) => MethodRefBuilder.MethodByName(Module, typeRef, methodName)));
case "InlineIL.MethodRef InlineIL.MethodRef::PropertyGet(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, propertyName) => MethodRefBuilder.PropertyGet(Module, typeRef, propertyName)));
case "InlineIL.MethodRef InlineIL.MethodRef::PropertySet(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, propertyName) => MethodRefBuilder.PropertySet(Module, typeRef, propertyName)));
case "InlineIL.MethodRef InlineIL.MethodRef::EventAdd(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, eventName) => MethodRefBuilder.EventAdd(Module, typeRef, eventName)));
case "InlineIL.MethodRef InlineIL.MethodRef::EventRemove(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, eventName) => MethodRefBuilder.EventRemove(Module, typeRef, eventName)));
case "InlineIL.MethodRef InlineIL.MethodRef::EventRaise(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, eventName) => MethodRefBuilder.EventRaise(Module, typeRef, eventName)));
case "InlineIL.MethodRef InlineIL.MethodRef::Constructor(InlineIL.TypeRef,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var paramTypes = ConsumeArgArray(args[1], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.Constructor(Module, typeRef, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::TypeInitializer(InlineIL.TypeRef)":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var builder = MethodRefBuilder.TypeInitializer(Module, typeRef);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::MakeGenericMethod(InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var builder = ConsumeArgMethodRefBuilder(args[0]);
var genericArgs = ConsumeArgArray(args[1], ConsumeArgTypeRef);
builder.MakeGenericMethod(genericArgs);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::WithOptionalParameters(InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var builder = ConsumeArgMethodRefBuilder(args[0]);
var optionalParamTypes = ConsumeArgArray(args[1], ConsumeArgTypeRef);
builder.SetOptionalParameters(optionalParamTypes);
_il.Remove(instruction);
return(builder);
}
default:
throw UnexpectedInstruction(instruction, "a method reference");
}
MethodRefBuilder FromNamedMember(Func <TypeReference, string, MethodRefBuilder> resolver)
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var memberName = ConsumeArgString(args[1]);
var builder = resolver(typeRef, memberName);
_il.Remove(instruction);
return(builder);
}
}
}
public MethodReference ConsumeArgMethodRef(Instruction methodRefInstruction)
{
return(ConsumeArgMethodRefBuilder(methodRefInstruction).Build());
MethodRefBuilder ConsumeArgMethodRefBuilder(Instruction instruction)
{
if (instruction.OpCode.FlowControl != FlowControl.Call || !(instruction.Operand is MethodReference method))
{
throw UnexpectedInstruction(instruction, "a method call");
}
switch (method.GetElementMethod().FullName)
{
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String,InlineIL.TypeRef[])":
case "InlineIL.MethodRef InlineIL.MethodRef::Method(InlineIL.TypeRef,System.String,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var methodName = ConsumeArgString(args[1]);
var paramTypes = ConsumeArgArray(args[2], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.MethodByNameAndSignature(Module, typeRef, methodName, null, null, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String,System.Int32,InlineIL.TypeRef[])":
case "InlineIL.MethodRef InlineIL.MethodRef::Method(InlineIL.TypeRef,System.String,System.Int32,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var methodName = ConsumeArgString(args[1]);
var genericParameterCount = ConsumeArgInt32(args[2]);
var paramTypes = ConsumeArgArray(args[3], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.MethodByNameAndSignature(Module, typeRef, methodName, genericParameterCount, null, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String,InlineIL.TypeRef,System.Int32,InlineIL.TypeRef[])":
case "InlineIL.MethodRef InlineIL.MethodRef::Method(InlineIL.TypeRef,System.String,InlineIL.TypeRef,System.Int32,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var methodName = ConsumeArgString(args[1]);
var returnType = ConsumeArgTypeRefBuilder(args[2]);
var genericParameterCount = ConsumeArgInt32(args[3]);
var paramTypes = ConsumeArgArray(args[4], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.MethodByNameAndSignature(Module, typeRef, methodName, genericParameterCount, returnType, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "System.Void InlineIL.MethodRef::.ctor(InlineIL.TypeRef,System.String)":
case "InlineIL.MethodRef InlineIL.MethodRef::Method(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, methodName) => MethodRefBuilder.MethodByName(Module, typeRef, methodName)));
case "InlineIL.MethodRef InlineIL.MethodRef::PropertyGet(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, propertyName) => MethodRefBuilder.PropertyGet(Module, typeRef, propertyName)));
case "InlineIL.MethodRef InlineIL.MethodRef::PropertySet(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, propertyName) => MethodRefBuilder.PropertySet(Module, typeRef, propertyName)));
case "InlineIL.MethodRef InlineIL.MethodRef::EventAdd(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, eventName) => MethodRefBuilder.EventAdd(Module, typeRef, eventName)));
case "InlineIL.MethodRef InlineIL.MethodRef::EventRemove(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, eventName) => MethodRefBuilder.EventRemove(Module, typeRef, eventName)));
case "InlineIL.MethodRef InlineIL.MethodRef::EventRaise(InlineIL.TypeRef,System.String)":
return(FromNamedMember((typeRef, eventName) => MethodRefBuilder.EventRaise(Module, typeRef, eventName)));
case "InlineIL.MethodRef InlineIL.MethodRef::Constructor(InlineIL.TypeRef,InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var paramTypes = ConsumeArgArray(args[1], ConsumeArgTypeRefBuilder);
var builder = MethodRefBuilder.Constructor(Module, typeRef, paramTypes);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::TypeInitializer(InlineIL.TypeRef)":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var builder = MethodRefBuilder.TypeInitializer(Module, typeRef);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::Operator(InlineIL.TypeRef,InlineIL.UnaryOperator)":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var op = ConsumeArgEnumInt32 <UnaryOperator>(args[1]);
var builder = MethodRefBuilder.Operator(Module, typeRef, op);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::Operator(InlineIL.TypeRef,InlineIL.BinaryOperator,InlineIL.TypeRef,InlineIL.TypeRef)":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var op = ConsumeArgEnumInt32 <BinaryOperator>(args[1]);
var leftOperandType = ConsumeArgTypeRefBuilder(args[2]);
var rightOperandType = ConsumeArgTypeRefBuilder(args[3]);
var builder = MethodRefBuilder.Operator(Module, typeRef, op, leftOperandType, rightOperandType);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::Operator(InlineIL.TypeRef,InlineIL.ConversionOperator,InlineIL.ConversionDirection,InlineIL.TypeRef)":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var op = ConsumeArgEnumInt32 <ConversionOperator>(args[1]);
var direction = ConsumeArgEnumInt32 <ConversionDirection>(args[2]);
var otherType = ConsumeArgTypeRefBuilder(args[3]);
var builder = MethodRefBuilder.Operator(Module, typeRef, op, direction, otherType);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::FromDelegate(!!0)":
{
var args = instruction.GetArgumentPushInstructions();
var builder = ConsumeArgDelegate(args[0]);
_il.EnsureSameBasicBlock(args[0], instruction);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::MakeGenericMethod(InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var builder = ConsumeArgMethodRefBuilder(args[0]);
var genericArgs = ConsumeArgArray(args[1], ConsumeArgTypeRef);
builder.MakeGenericMethod(genericArgs);
_il.Remove(instruction);
return(builder);
}
case "InlineIL.MethodRef InlineIL.MethodRef::WithOptionalParameters(InlineIL.TypeRef[])":
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var builder = ConsumeArgMethodRefBuilder(args[0]);
var optionalParamTypes = ConsumeArgArray(args[1], ConsumeArgTypeRef);
builder.SetOptionalParameters(optionalParamTypes);
_il.Remove(instruction);
return(builder);
}
default:
throw UnexpectedInstruction(instruction, "a method reference");
}
MethodRefBuilder FromNamedMember(Func <TypeReference, string, MethodRefBuilder> resolver)
{
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var typeRef = ConsumeArgTypeRef(args[0]);
var memberName = ConsumeArgString(args[1]);
var builder = resolver(typeRef, memberName);
_il.Remove(instruction);
return(builder);
}
}
MethodRefBuilder ConsumeArgDelegate(Instruction instruction)
{
if (instruction.OpCode != OpCodes.Newobj)
{
throw UnexpectedInstruction(instruction, "a delegate instantiation");
}
var args = _il.GetArgumentPushInstructionsInSameBasicBlock(instruction);
var methodRef = ConsumeArgLdFtn(args[1]);
var builder = MethodRefBuilder.MethodFromDelegateReference(Module, methodRef);
ConsumeArgObjRefNoSideEffects(args[0]);
_il.Remove(instruction);
return(builder);
}
void ConsumeArgObjRefNoSideEffects(Instruction instruction)
{
switch (instruction.OpCode.Code)
{
// Pop 0, Push 1
case Code.Ldnull:
case Code.Ldarg:
case Code.Ldarga:
case Code.Ldloc:
case Code.Ldloca:
case Code.Ldsfld:
case Code.Ldsflda:
case Code.Sizeof:
case Code.Dup: // Not really pop 0, push 1, but used as an arg to ldvirtftn
{
_il.Remove(instruction);
return;
}
// Pop 1, Push 1
case Code.Box:
case Code.Ldobj:
case Code.Ldfld:
case Code.Ldflda:
{
var arg = _il.GetPrevSkipNopsInSameBasicBlock(instruction);
ConsumeArgObjRefNoSideEffects(arg);
_il.Remove(instruction);
return;
}
default:
{
if (TryConsumeArgConst(instruction, out _))
{
return;
}
throw UnexpectedInstruction(instruction, "a side-effect free object load, or null");
}
}
}
MethodReference ConsumeArgLdFtn(Instruction instruction)
{
switch (instruction.OpCode.Code)
{
case Code.Ldftn:
{
_il.Remove(instruction);
return((MethodReference)instruction.Operand);
}
case Code.Ldvirtftn:
{
var arg = _il.GetPrevSkipNopsInSameBasicBlock(instruction);
ConsumeArgObjRefNoSideEffects(arg);
_il.Remove(instruction);
return((MethodReference)instruction.Operand);
}
default:
throw UnexpectedInstruction(instruction, "a ldftn or ldvirtftn");
}
}
}
