public static IILGenerator Ldarg(this IILGenerator gen, byte argIndex)
{
switch (argIndex)
{
case 0:
gen.Ldarg_0();
break;
case 1:
gen.Ldarg_1();
break;
case 2:
gen.Ldarg_2();
break;
case 3:
gen.Ldarg_3();
break;
default:
gen.Ldarg_S(argIndex);
break;
}
return(gen);
}
public static ByRefGetter <TInstance, TField> StructGetField <TInstance, TField>(FieldInfo field) where TInstance : struct
{
DynamicMethod getter = new DynamicMethod($"get_{field.DeclaringType.Name}_{field.Name}", typeof(TField), new Type[] { typeof(TInstance).MakeByRefType() }, typeof(Dynamic), true);
IILGenerator gen = getter.GetILGenerator().AsInterface();
gen
.Ldarg_0()
.Ldfld(field)
.Ret();
return((ByRefGetter <TInstance, TField>)getter.CreateDelegate(typeof(ByRefGetter <TInstance, TField>)));
}
public static Action <TField> StaticSetField <TField>(FieldInfo field)
{
DynamicMethod getter = new DynamicMethod($"set_{field.DeclaringType.Name}_{field.Name}", null, new Type[] { typeof(TField) }, typeof(Dynamic), true);
IILGenerator gen = getter.GetILGenerator().AsInterface();
gen
.Ldarg_0()
.Stsfld(field)
.Ret();
return((Action <TField>)getter.CreateDelegate(typeof(Action <TField>)));
}
public static Setter <TInstance, TField> InstanceSetField <TInstance, TField>(FieldInfo field) where TInstance : class
{
DynamicMethod getter = new DynamicMethod($"set_{field.DeclaringType.Name}_{field.Name}", null, new Type[] { typeof(TInstance), typeof(TField) }, typeof(Dynamic), true);
IILGenerator gen = getter.GetILGenerator().AsInterface();
gen
.Ldarg_0()
.Ldarg_1()
.Stfld(field)
.Ret();
return((Setter <TInstance, TField>)getter.CreateDelegate(typeof(Setter <TInstance, TField>)));
}
