protected internal void EmitI4Helper(int value)
{
OpCode code;
switch (value)
{
case 0: code = OpCodes.Ldc_I4_0; break;
case 1: code = OpCodes.Ldc_I4_1; break;
case 2: code = OpCodes.Ldc_I4_2; break;
case 3: code = OpCodes.Ldc_I4_3; break;
case 4: code = OpCodes.Ldc_I4_4; break;
case 5: code = OpCodes.Ldc_I4_5; break;
case 6: code = OpCodes.Ldc_I4_6; break;
case 7: code = OpCodes.Ldc_I4_7; break;
case 8: code = OpCodes.Ldc_I4_8; break;
case -1: code = OpCodes.Ldc_I4_M1; break;
default:
if (value >= sbyte.MinValue && value <= sbyte.MaxValue)
IL.Emit(OpCodes.Ldc_I4_S, (sbyte)value);
else
IL.Emit(OpCodes.Ldc_I4, value);
return;
}
IL.Emit(code);
}
public void EmitArgs(CodeGen g, Operand[] args)
{
if (args.Length != appliedSignature.Length)
{
throw new InvalidOperationException();
}
if (IsExpanded)
{
int fixedCount = methodSignature.Length - 1;
Type expType = methodSignature[fixedCount].GetElementType();
for (int i = 0; i < fixedCount; i++)
{
EmitArg(g, i, args[i]);
}
int arrayLen = args.Length - methodSignature.Length - 1;
g.EmitI4Helper(arrayLen);
g.IL.Emit(OpCodes.Newarr, expType);
OpCode stelemCode = CodeGen.GetStelemOpCode(expType);
for (int i = 0; i < arrayLen; i++)
{
g.IL.Emit(OpCodes.Dup);
g.EmitI4Helper(i);
if (stelemCode == OpCodes.Stobj)
{
g.IL.Emit(OpCodes.Ldelema, expType);
}
EmitArg(g, fixedCount + i, args[fixedCount + i]);
if (stelemCode == OpCodes.Stobj)
{
g.IL.Emit(OpCodes.Stobj, expType);
}
else
{
g.IL.Emit(stelemCode);
}
}
}
else
{
for (int i = 0; i < args.Length; i++)
{
EmitArg(g, i, args[i]);
}
}
}
