private void ProcessInvoke(RPContext ctx, int instrIndex, int argBeginIndex)
{
Tuple <FieldDef, MethodDef> tuple2;
Instruction instruction = ctx.Body.Instructions[instrIndex];
IMethod operand = (IMethod)instruction.Operand;
MethodSig sig = RPMode.CreateProxySignature(ctx, operand, instruction.OpCode.Code == Code.Newobj);
TypeDef delegateType = RPMode.GetDelegateType(ctx, sig);
Tuple <Code, IMethod, IRPEncoding> key = Tuple.Create <Code, IMethod, IRPEncoding>(instruction.OpCode.Code, operand, ctx.EncodingHandler);
if (!this.fields.TryGetValue(key, out tuple2))
{
tuple2 = new Tuple <FieldDef, MethodDef>(this.CreateField(ctx, delegateType), null);
this.fields[key] = tuple2;
}
if (argBeginIndex == instrIndex)
{
ctx.Body.Instructions.Insert(instrIndex + 1, new Instruction(OpCodes.Call, delegateType.FindMethod("Invoke")));
instruction.OpCode = OpCodes.Ldsfld;
instruction.Operand = tuple2.Item1;
}
else
{
Instruction instruction2 = ctx.Body.Instructions[argBeginIndex];
ctx.Body.Instructions.Insert(argBeginIndex + 1, new Instruction(instruction2.OpCode, instruction2.Operand));
instruction2.OpCode = OpCodes.Ldsfld;
instruction2.Operand = tuple2.Item1;
instruction.OpCode = OpCodes.Call;
instruction.Operand = delegateType.FindMethod("Invoke");
}
}
private void ProcessBridge(RPContext ctx, int instrIndex)
{
Instruction instruction = ctx.Body.Instructions[instrIndex];
IMethod operand = (IMethod)instruction.Operand;
TypeDef def = operand.DeclaringType.ResolveTypeDefThrow();
if (def.Module.IsILOnly && !def.IsGlobalModuleType)
{
Tuple <FieldDef, MethodDef> tuple2;
Tuple <Code, IMethod, IRPEncoding> key = Tuple.Create <Code, IMethod, IRPEncoding>(instruction.OpCode.Code, operand, ctx.EncodingHandler);
if (this.fields.TryGetValue(key, out tuple2))
{
if (tuple2.Item2 != null)
{
instruction.OpCode = OpCodes.Call;
instruction.Operand = tuple2.Item2;
return;
}
}
else
{
tuple2 = new Tuple <FieldDef, MethodDef>(null, null);
}
MethodSig sig = RPMode.CreateProxySignature(ctx, operand, instruction.OpCode.Code == Code.Newobj);
TypeDef delegateType = RPMode.GetDelegateType(ctx, sig);
if (tuple2.Item1 == null)
{
tuple2 = new Tuple <FieldDef, MethodDef>(this.CreateField(ctx, delegateType), tuple2.Item2);
}
tuple2 = new Tuple <FieldDef, MethodDef>(tuple2.Item1, this.CreateBridge(ctx, delegateType, tuple2.Item1, sig));
this.fields[key] = tuple2;
instruction.OpCode = OpCodes.Call;
instruction.Operand = tuple2.Item2;
}
}
