Mac/Modules/snd/sndscan.py

   1 # Scan Sound.h header file, generate sndgen.py and Sound.py files.
   2 # Then import sndsupport (which execs sndgen.py) to generate Sndmodule.c.
   3 # (Should learn how to tell the compiler to compile it as well.)
   4
   5 import sys
   6 import os
   7 BGENDIR=os.path.join(sys.prefix, ':Tools:bgen:bgen')
   8 sys.path.append(BGENDIR)
   9 from bgenlocations import TOOLBOXDIR
  10
  11 from scantools import Scanner
  12
  13 def main():
  14         input = "Sound.h"
  15         output = "sndgen.py"
  16         defsoutput = TOOLBOXDIR + "Sound.py"
  17         scanner = SoundScanner(input, output, defsoutput)
  18         scanner.scan()
  19         scanner.close()
  20         print "=== Done scanning and generating, now doing 'import sndsupport' ==="
  21         import sndsupport
  22         print "=== Done.  It's up to you to compile Sndmodule.c ==="
  23
  24 class SoundScanner(Scanner):
  25
  26         def destination(self, type, name, arglist):
  27                 classname = "SndFunction"
  28                 listname = "functions"
  29                 if arglist:
  30                         t, n, m = arglist[0]
  31                         if t == "SndChannelPtr" and m == "InMode":
  32                                 classname = "SndMethod"
  33                                 listname = "sndmethods"
  34                 return classname, listname
  35
  36         def writeinitialdefs(self):
  37                 self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
  38
  39         def makeblacklistnames(self):
  40                 return [
  41                         'SndDisposeChannel',            # automatic on deallocation
  42                         'SndAddModifier',               # for internal use only
  43                         'SndPlayDoubleBuffer',          # very low level routine
  44                         # Obsolete:
  45                         'StartSound',
  46                         'StopSound',
  47                         'SoundDone',
  48                         # These do not work for cfm68k:
  49 ##                      'SndGetInfo',
  50 ##                      'SndSetInfo',
  51 ##                      'GetCompressionInfo',
  52 ##                      'GetCompressionName',
  53 ##                      'GetSoundPreference',
  54 ##                      'SetSoundPreference',
  55                         # And old calls that are no longer supported
  56                         'SetSoundVol',
  57                         'GetSoundVol',
  58                         # Constants with funny definitions
  59                         'rate48khz',
  60                         'rate44khz',
  61                         'kInvalidSource',
  62
  63                         ]
  64
  65         def makeblacklisttypes(self):
  66                 return [
  67                         "GetSoundVol",
  68                         "SetSoundVol",
  69                         "UnsignedFixed",
  70                         # Don't have the time to dig into this...
  71                         "Component",
  72                         "ComponentInstance",
  73                         "SoundComponentDataPtr",
  74                         "SoundComponentData",
  75                         "SoundComponentData_ptr",
  76                         "SoundConverter",
  77                         "ModalFilterUPP",
  78                         ]
  79
  80         def makerepairinstructions(self):
  81                 return [
  82                         ([("Str255", "*", "InMode")],
  83                          [("*", "*", "OutMode")]),
  84
  85                         ([("void_ptr", "*", "InMode"), ("long", "*", "InMode")],
  86                          [("InBuffer", "*", "*")]),
  87
  88                         ([("void", "*", "OutMode"), ("long", "*", "InMode"),
  89                                                     ("long", "*", "OutMode")],
  90                          [("VarVarOutBuffer", "*", "InOutMode")]),
  91
  92                         ([("SCStatusPtr", "*", "InMode")],
  93                          [("SCStatus", "*", "OutMode")]),
  94
  95                         ([("SMStatusPtr", "*", "InMode")],
  96                          [("SMStatus", "*", "OutMode")]),
  97
  98                         ([("CompressionInfoPtr", "*", "InMode")],
  99                          [("CompressionInfo", "*", "OutMode")]),
 100
 101                         # For SndPlay's SndListHandle argument
 102                         ([("Handle", "sndHdl", "InMode")],
 103                          [("SndListHandle", "*", "*")]),
 104
 105                         # For SndStartFilePlay
 106                         ([("long", "bufferSize", "InMode"), ("void", "theBuffer", "OutMode")],
 107                          [("*", "*", "*"), ("FakeType('0')", "*", "InMode")]),
 108
 109                         # For Comp3to1 etc.
 110                         ([("void_ptr", "inBuffer", "InMode"),
 111                           ("void", "outBuffer", "OutMode"),
 112                           ("unsigned_long", "cnt", "InMode")],
 113                          [("InOutBuffer", "buffer", "InOutMode")]),
 114
 115                         # Ditto
 116 ##                      ([("void_ptr", "inState", "InMode"), ("void", "outState", "OutMode")],
 117 ##                       [("InOutBuf128", "state", "InOutMode")]),
 118                         ([("StateBlockPtr", "inState", "InMode"), ("StateBlockPtr", "outState", "InMode")],
 119                          [("StateBlock", "state", "InOutMode")]),
 120
 121                         # Catch-all for the last couple of void pointers
 122                         ([("void", "*", "OutMode")],
 123                          [("void_ptr", "*", "InMode")]),
 124                         ]
 125
 126 if __name__ == "__main__":
 127         main()