cpython/Mac/Modules/ae/aescan.py

# Scan AppleEvents.h header file, generate aegen.py and AppleEvents.py files.
# Then run aesupport to generate AEmodule.c.
# (Should learn how to tell the compiler to compile it as well.)

import sys
import os
import string
import MacOS

from bgenlocations import TOOLBOXDIR, BGENDIR
sys.path.append(BGENDIR)

from scantools import Scanner

def main():
    print("=== Scanning AEDataModel.h, AppleEvents.h, AERegistry.h, AEObjects.h ===")
    input = ["AEDataModel.h", "AEInteraction.h", "AppleEvents.h", "AERegistry.h", "AEObjects.h"]
    output = "aegen.py"
    defsoutput = TOOLBOXDIR + "AppleEvents.py"
    scanner = AppleEventsScanner(input, output, defsoutput)
    scanner.scan()
    scanner.close()
    print("=== Testing definitions output code ===")
    exec(open(defsoutput).read(), {}, {})
    print("=== Done Scanning and Generating, now doing 'import aesupport' ===")
    import aesupport
    print("=== Done 'import aesupport'.  It's up to you to compile AEmodule.c ===")

class AppleEventsScanner(Scanner):

    def destination(self, type, name, arglist):
        classname = "AEFunction"
        listname = "functions"
        if arglist:
            t, n, m = arglist[0]
            if t[-4:] == "_ptr" and m == "InMode" and \
               t[:-4] in ("AEDesc", "AEAddressDesc", "AEDescList",
                     "AERecord", "AppleEvent"):
                classname = "AEMethod"
                listname = "aedescmethods"
        return classname, listname

    def makeblacklistnames(self):
        return [
                "AEDisposeDesc",
#                       "AEGetEventHandler",
                "AEGetDescData", # Use object.data
                "AEGetSpecialHandler",
                # Constants with funny definitions
                "kAEDontDisposeOnResume",
                "kAEUseStandardDispatch",
                ]

    def makeblacklisttypes(self):
        return [
                "ProcPtr",
                "AEArrayType",
                "AECoercionHandlerUPP",
                "UniversalProcPtr",
                "OSLCompareUPP",
                "OSLAccessorUPP",
                ]

    def makerepairinstructions(self):
        return [
                ([("Boolean", "isSysHandler", "InMode")],
                 [("AlwaysFalse", "*", "*")]),

                ([("void_ptr", "*", "InMode"), ("Size", "*", "InMode")],
                 [("InBuffer", "*", "*")]),

                ([("EventHandlerProcPtr", "*", "InMode"), ("long", "*", "InMode")],
                 [("EventHandler", "*", "*")]),

                ([("EventHandlerProcPtr", "*", "OutMode"), ("long", "*", "OutMode")],
                 [("EventHandler", "*", "*")]),

                ([("AEEventHandlerUPP", "*", "InMode"), ("long", "*", "InMode")],
                 [("EventHandler", "*", "*")]),

                ([("AEEventHandlerUPP", "*", "OutMode"), ("long", "*", "OutMode")],
                 [("EventHandler", "*", "*")]),

                ([("void", "*", "OutMode"), ("Size", "*", "InMode"),
                                            ("Size", "*", "OutMode")],
                 [("VarVarOutBuffer", "*", "InOutMode")]),

                ([("AppleEvent", "theAppleEvent", "OutMode")],
                 [("AppleEvent_ptr", "*", "InMode")]),

                ([("AEDescList", "theAEDescList", "OutMode")],
                 [("AEDescList_ptr", "*", "InMode")]),
                ]

    def writeinitialdefs(self):
        self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")

if __name__ == "__main__":
    main()