From 88ae96ff82ddc836a822a55aef17ea66ca06ac65 Mon Sep 17 00:00:00 2001 From: Thomas Grill Date: Tue, 7 Mar 2006 13:18:32 +0000 Subject: restructured project (MSVC can't cope well with folder/classname mismatch) search for CLR DLLs in PD path first steps to efficient method handling svn path=/trunk/externals/clr/; revision=4656 --- pd/Atom.cs | 270 ------------------------------------------------------------- 1 file changed, 270 deletions(-) delete mode 100755 pd/Atom.cs (limited to 'pd/Atom.cs') diff --git a/pd/Atom.cs b/pd/Atom.cs deleted file mode 100755 index d872961..0000000 --- a/pd/Atom.cs +++ /dev/null @@ -1,270 +0,0 @@ -using System; -using System.Runtime.InteropServices; // for structures -using System.Collections; -#if NET_2_0 -using System.Collections.Generic; -#endif - -namespace PureData -{ - [StructLayout (LayoutKind.Sequential)] - public unsafe struct Symbol - { - // this should NOT be public (or at least read only) - private readonly void *sym; - - public Symbol(string s) - { - sym = Core.SymGen(s); - } - - public override string ToString() - { - return Core.SymEval(sym); - } - } - - [StructLayout (LayoutKind.Sequential)] - public unsafe struct Pointer - { - private readonly void *ptr; - - public override string ToString() - { - if(sizeof(void *) == 4) - return ((int)ptr).ToString(); - else - return ((long)ptr).ToString(); - } - } - - [StructLayout (LayoutKind.Sequential)] - public unsafe struct Atom - { - private enum AtomType {Null = 0, Float = 1, Symbol = 2, Pointer = 3}; - - [StructLayout (LayoutKind.Explicit)] - private struct Word - { - [FieldOffset(0)] public float w_float; - [FieldOffset(0)] public Symbol w_sym; - [FieldOffset(0)] public Pointer w_ptr; - } - - private AtomType type; - private Word word; - - public Atom(float f) - { - type = AtomType.Float; - word = new Word(); - word.w_float = f; - } - - public Atom(int i) - { - type = AtomType.Float; - word = new Word(); - word.w_float = (float)i; - } - - public Atom(Symbol s) - { - type = AtomType.Symbol; - word = new Word(); - word.w_sym = s; - } - - public Atom(string s) - { - type = AtomType.Symbol; - word = new Word(); - word.w_sym = new Symbol(s); - } - - public Atom(Pointer p) - { - type = AtomType.Pointer; - word = new Word(); - word.w_ptr = p; - } - - public bool IsFloat { get { return type == AtomType.Float; } } - public bool IsSymbol { get { return type == AtomType.Symbol; } } - public bool IsPointer { get { return type == AtomType.Pointer; } } - - public float ToFloat() - { - if(IsFloat) - return word.w_float; - else - throw new System.InvalidCastException("Can't be cast to float."); - } - - public Symbol ToSymbol() - { - if(IsSymbol) - return word.w_sym; - else - throw new System.InvalidCastException("Can't be cast to Symbol."); - } - - public Pointer ToPointer() - { - if(IsPointer) - return word.w_ptr; - else - throw new System.InvalidCastException("Can't be cast to Pointer."); - } - - override public string ToString() - { - if(IsFloat) - return word.w_float.ToString(); - else if(IsSymbol) - return word.w_sym.ToString(); - else if(IsPointer) - return word.w_ptr.ToString(); - else - // should never happen - throw new System.InvalidProgramException("Internal error."); - } - - public static explicit operator float(Atom a) - { - return a.ToFloat(); - } - - public static explicit operator Symbol(Atom a) - { - return a.ToSymbol(); - } - - public static explicit operator Pointer(Atom a) - { - return a.ToPointer(); - } - } - - public class AtomListEnum - : IEnumerator - { - public AtomList list; - - // Enumerators are positioned before the first element - // until the first MoveNext() call. - int position = -1; - - public AtomListEnum(AtomList l) - { - list = l; - } - - public bool MoveNext() - { - return ++position < list.Count; - } - - public void Reset() - { - position = -1; - } - - public object Current - { - get - { - try - { - return list[position]; - } - catch (IndexOutOfRangeException) - { - throw new InvalidOperationException(); - } - } - } - } - - - // attention: this is dangerous, because we could do the following - // AtomList l2 = l; - // with l also being an AtomList... the two private memebers will get copied, although atoms is only a temporary reference - - [StructLayout (LayoutKind.Sequential)] - unsafe public struct AtomList -#if NET_2_0 - : ICollection -#else - : ICollection -#endif - { - private readonly int len; - private readonly Atom *atoms; - - public int Count { get { return len; } } -#if NET_2_0 - public bool IsReadOnly { get { return false; } } // member of generic.ICollection (C# 2.0) -#endif - public bool IsSynchronized { get { return false; } } - public Object SyncRoot { get { return null; } } - - // protect this from being used - private AtomList(AtomList a) { len = 0; atoms = null; } - -#if NET_2_0 - public void CopyTo(Atom[] array,int start) -#else - public void CopyTo(Array array,int start) -#endif - { - if(len > array.GetUpperBound(0)+1-start) - throw new System.ArgumentException("Destination array is not long enough."); - int i; - for(i = 0; i < len-start; ++i) - array.SetValue(atoms[start+i],i); - } - - public IEnumerator GetEnumerator() - { - return new AtomListEnum(this); - } - - public Atom this[int i] - { - get - { - if(i < 0 || i >= len) - throw new System.IndexOutOfRangeException("Index outside array bounds."); - return atoms[i]; - } - set - { - if(i < 0 || i >= len) - throw new System.IndexOutOfRangeException("Index outside array bounds."); - atoms[i] = value; - } - } - -#if !NET_2_0 - public static explicit operator Atom[](AtomList l) - { - Atom[] ret = new Atom[l.Count]; - int i; - for(i = 0; i < l.Count; ++i) ret[i] = l.atoms[i]; - return ret; - } -#endif - - override public string ToString() - { - string n = "{"; - if(len > 0) { - int i; - for(i = 0; i < len-1; ++i) n += atoms[i].ToString()+","; - n += atoms[i].ToString(); - } - return n+"}"; - } - } -} -- cgit v1.2.1