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 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 ==="
    execfile(defsoutput, {}, {})
    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()