include/lang/PyrSlot.h

   1 /*
   2         SuperCollider real time audio synthesis system
   3     Copyright (c) 2002 James McCartney. All rights reserved.
   4         http://www.audiosynth.com
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20 /*
  21
  22 PyrSlot is a value holder for SC variables.
  23 A PyrSlot is an 8-byte value which is either a double precision float or a
  24 32-bit tag plus a 32-bit value.
  25
  26 */
  27
  28 #ifndef _PYRSLOT_H_
  29 #define _PYRSLOT_H_
  30
  31 #if ( __SIZEOF_POINTER__ == 4 ) || defined(__i386__) || defined(__ppc__) || defined(__arm__) || defined(_WIN32)
  32 #include "PyrSlot32.h"
  33 #elif ( __SIZEOF_POINTER__ == 8 ) || defined(__x86_64__) || defined(_WIN64)
  34 #include "PyrSlot64.h"
  35 #else
  36 #error "no PyrSlot imlementation for this platform"
  37 #endif
  38
  39 extern PyrSlot o_nil, o_true, o_false, o_inf;
  40 extern PyrSlot o_pi, o_twopi;
  41 extern PyrSlot o_fhalf, o_fnegone, o_fzero, o_fone, o_ftwo;
  42 extern PyrSlot o_negtwo, o_negone, o_zero, o_one, o_two;
  43 extern PyrSlot o_emptyarray, o_onenilarray, o_argnamethis;
  44
  45 extern PyrSymbol *s_object; // "Object"
  46 extern PyrSymbol *s_this; // "this"
  47 extern PyrSymbol *s_super; // "super"
  48
  49 void dumpPyrSlot(PyrSlot* slot);
  50 void slotString(PyrSlot *slot, char *str);
  51 void slotOneWord(PyrSlot *slot, char *str);
  52 bool postString(PyrSlot *slot, char *str);
  53 const char *slotSymString(PyrSlot* slot);
  54 int asCompileString(PyrSlot *slot, char *str);
  55
  56 int slotIntVal(PyrSlot* slot, int *value);
  57 int slotFloatVal(PyrSlot* slot, float *value);
  58 int slotDoubleVal(PyrSlot *slot, double *value);
  59 int slotStrVal(PyrSlot *slot, char *str, int maxlen);
  60 int slotPStrVal(PyrSlot *slot, unsigned char *str);
  61 int slotSymbolVal(PyrSlot *slot, PyrSymbol **symbol);
  62
  63 #endif