# Scan an Apple header file, generating a Python file of generator calls.

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

LONG = "Events"
SHORT = "evt"
OBJECT = "NOTUSED"

def main():
    input = LONG + ".h"
    output = SHORT + "gen.py"
    defsoutput = TOOLBOXDIR + LONG + ".py"
    scanner = MyScanner(input, output, defsoutput)
    scanner.scan()
    scanner.close()
    print("=== Testing definitions output code ===")
    exec(open(defsoutput).read(), {}, {})
    print("=== Done scanning and generating, now importing the generated code... ===")
    exec "import " + SHORT + "support"
    print("=== Done.  It's up to you to compile it now! ===")

class MyScanner(Scanner):

    def destination(self, type, name, arglist):
        classname = "Function"
        listname = "functions"
        if arglist:
            t, n, m = arglist[0]
            # This is non-functional today
            if t == OBJECT and m == "InMode":
                classname = "Method"
                listname = "methods"
        return classname, listname

    def makeblacklistnames(self):
        return [
                "KeyTranslate",
                "GetEventMask",         # I cannot seem to find this routine...
                "WaitNextEvent",        # Manually generated because of optional region
                # Constants with funny definitions
                "osEvtMessageMask",
                # OS8 calls
                'SystemEvent',
                'SystemTask',
                'SystemClick',
                'GetOSEvent',
                'OSEventAvail',
                ]

    def makeblacklisttypes(self):
        return [
                "EvQElPtr", "QHdrPtr"
                ]

    def makerepairinstructions(self):
        return [
                ([("void_ptr", "*", "InMode"), ("long", "*", "InMode")],
                 [("InBuffer", "*", "*")]),

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

                ([("void", "wStorage", "OutMode")],
                 [("NullStorage", "*", "InMode")]),

                # GetKeys
                ([('KeyMap', 'theKeys', 'InMode')],
                 [('*', '*', 'OutMode')]),

                # GetTicker
                ([('unsigned long', '*', '*')],
                 [('unsigned_long', '*', '*')]),
                ]

if __name__ == "__main__":
    main()
