/// <summary>
/// Emits call to the method that contains de-mangler (injected as an <see cref="InjectedFeature"/>).
/// This is to replace instruction(s) that load original constant in the IL
/// </summary>
/// <param name="emitter">IL emitter</param>
/// <param name="rng">Pseudo-random number generator</param>
/// <param name="instance">instance of the class where the method with injected de-mangler is located</param>
/// <param name="mangled">mangled value</param>
public void EmitCall(IILEmitter emitter, IRng rng, Local instance, object mangled)
{
var pi = Input is Var.Arg a ? a.Parameter : null;
if (pi == null)
{
emitter.Ldloc(instance);
Codec.LoadValue(emitter, mangled, true);
Codec.EmitConversion(emitter, mangled.GetType(), Input.Type.ElementType.ToType());
((Var.Fld)Input).Stfld(emitter);
}
var method = Method.Method;
emitter.Ldloc(instance);
foreach (var pd in method.Parameters)
{
if (pd.IsNormalMethodParameter)
{
if (pi == pd)
{
Codec.LoadValue(emitter, mangled, true);
Codec.EmitConversion(emitter, mangled.GetType(), pd.Type.ElementType.ToType());
}
else
{
Utils.RandomConst(emitter, pd.Type, rng);
}
}
}
emitter.Callvirt(emitter.Importer.Import(method));
if (method.HasReturnType)
{
if ((Output.Flags & VarFlags.Ret) == 0)
{
emitter.Emit(OpCodes.Pop);
}
}
if (Output is Var.Fld f)
{
emitter.Ldloc(instance);
f.Ldfld(emitter);
}
}
public static void ToString(IILEmitter emitter) => emitter.Callvirt(Method_Object_ToString);