Mac/Modules/ae/aescan.py

   1 # Scan AppleEvents.h header file, generate aegen.py and AppleEvents.py files.
   2 # Then run aesupport to generate AEmodule.c.
   3 # (Should learn how to tell the compiler to compile it as well.)
   4
   5 import sys
   6 import os
   7 import string
   8 import regex
   9 import regsub
  10 import MacOS
  11
  12 BGENDIR=os.path.join(sys.prefix, ':Tools:bgen:bgen')
  13 sys.path.append(BGENDIR)
  14 from bgenlocations import TOOLBOXDIR
  15
  16 from scantools import Scanner
  17
  18 def main():
  19         print "=== Scanning AERegistry.h for defines ==="
  20         input = "AERegistry.h"
  21         output = "@dummy-registry.py"
  22         defsoutput = TOOLBOXDIR + "AERegistry.py"
  23         scanner = AppleEventsRegScanner(input, output, defsoutput)
  24         scanner.scan()
  25         scanner.close()
  26         print "=== Scanning AEObjects.h for defines ==="
  27         # XXXX This isn't correct. We only scan AEObjects.h for defines, but there
  28         # are some functions in there that are probably useful (the accessor stuff)
  29         # once we start writing servers in python.
  30         input = "AEObjects.h"
  31         output = "@dummy-objects.py"
  32         defsoutput = TOOLBOXDIR + "AEObjects.py"
  33         scanner = AppleEventsScanner(input, output, defsoutput)
  34         scanner.scan()
  35         scanner.close()
  36         print "=== Scanning AEDataModel.h ==="
  37         input = "AEDataModel.h"
  38         output = "aedatamodelgen.py"
  39         defsoutput = TOOLBOXDIR + "AEDataModel.py"
  40         scanner = AppleEventsScanner(input, output, defsoutput)
  41
  42         scanner.scan()
  43         scanner.close()
  44         print "=== Scanning AppleEvents.h ==="
  45         input = "AppleEvents.h"
  46         output = "aegen.py"
  47         defsoutput = TOOLBOXDIR + "AppleEvents.py"
  48         scanner = AppleEventsRegScanner(input, output, defsoutput)
  49         scanner.scan()
  50         scanner.close()
  51         print "=== Done Scanning and Generating, now doing 'import aesupport' ==="
  52         import aesupport
  53         print "=== Done 'import aesupport'.  It's up to you to compile AEmodule.c ==="
  54
  55 class AppleEventsScanner(Scanner):
  56
  57         def destination(self, type, name, arglist):
  58                 classname = "AEFunction"
  59                 listname = "functions"
  60                 if arglist:
  61                         t, n, m = arglist[0]
  62                         if t[-4:] == "_ptr" and m == "InMode" and \
  63                            t[:-4] in ("AEDesc", "AEAddressDesc", "AEDescList",
  64                                  "AERecord", "AppleEvent"):
  65                                 classname = "AEMethod"
  66                                 listname = "aedescmethods"
  67                 return classname, listname
  68
  69         def makeblacklistnames(self):
  70                 return [
  71                         "AEDisposeDesc",
  72 #                       "AEGetEventHandler",
  73                         # Constants with funny definitions
  74                         "kAEDontDisposeOnResume",
  75                         "kAEUseStandardDispatch",
  76                         ]
  77
  78         def makeblacklisttypes(self):
  79                 return [
  80                         "ProcPtr",
  81                         "AEArrayType",
  82                         "AECoercionHandlerUPP",
  83                         "UniversalProcPtr",
  84                         ]
  85
  86         def makerepairinstructions(self):
  87                 return [
  88                         ([("Boolean", "isSysHandler", "InMode")],
  89                          [("AlwaysFalse", "*", "*")]),
  90
  91                         ([("void_ptr", "*", "InMode"), ("Size", "*", "InMode")],
  92                          [("InBuffer", "*", "*")]),
  93
  94                         ([("EventHandlerProcPtr", "*", "InMode"), ("long", "*", "InMode")],
  95                          [("EventHandler", "*", "*")]),
  96
  97                         ([("EventHandlerProcPtr", "*", "OutMode"), ("long", "*", "OutMode")],
  98                          [("EventHandler", "*", "*")]),
  99
 100                         ([("AEEventHandlerUPP", "*", "InMode"), ("long", "*", "InMode")],
 101                          [("EventHandler", "*", "*")]),
 102
 103                         ([("AEEventHandlerUPP", "*", "OutMode"), ("long", "*", "OutMode")],
 104                          [("EventHandler", "*", "*")]),
 105
 106                         ([("void", "*", "OutMode"), ("Size", "*", "InMode"),
 107                                                     ("Size", "*", "OutMode")],
 108                          [("VarVarOutBuffer", "*", "InOutMode")]),
 109
 110                         ([("AppleEvent", "theAppleEvent", "OutMode")],
 111                          [("AppleEvent_ptr", "*", "InMode")]),
 112
 113                         ([("AEDescList", "theAEDescList", "OutMode")],
 114                          [("AEDescList_ptr", "*", "InMode")]),
 115                         ]
 116
 117         def writeinitialdefs(self):
 118                 self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
 119
 120 class AppleEventsRegScanner(AppleEventsScanner):
 121         def writeinitialdefs(self):
 122                 self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
 123                 self.defsfile.write("from AEDataModel import *\n")
 124
 125 if __name__ == "__main__":
 126         main()