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using System;
using System.Runtime.CompilerServices; // for extern import
using System.Runtime.InteropServices; // for structures
namespace PureData
{
// PD core functions
public unsafe class Internal
{
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern static void *SymGen(string sym);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern static string SymEval(void *sym);
}
// This is the base class for a PD/CLR external
public unsafe abstract class External
{
// PD object pointer
private readonly void *ptr;
// --------------------------------------------------------------------------
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Post(string message);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void PostError(string message);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void PostBug(string message);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void PostVerbose(string message);
// --------------------------------------------------------------------------
protected delegate void MethodBang();
protected delegate void MethodFloat(float f);
protected delegate void MethodSymbol(Symbol s);
protected delegate void MethodPointer(Pointer p);
protected delegate void MethodList(AtomList lst);
protected delegate void MethodAnything(Symbol tag,AtomList lst);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(MethodBang m);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(MethodFloat m);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(MethodSymbol m);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(MethodPointer m);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(MethodList m);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(Symbol sel,MethodList m);
protected static void Add(string sel,MethodList m) { Add(new Symbol(sel),m); }
[MethodImplAttribute (MethodImplOptions.InternalCall)]
protected extern static void Add(MethodAnything m);
}
}
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