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

import sys

from bgenlocations import TOOLBOXDIR, BGENDIR

sys.path.append(BGENDIR)

from scantools import Scanner

def main():

    input = "QDOffscreen.h"

    output = "qdoffsgen.py"

    defsoutput = TOOLBOXDIR + "QDOffscreen.py"

    scanner = MyScanner(input, output, defsoutput)

    scanner.scan()

    scanner.close()

    print "=== Testing definitions output code ==="

    execfile(defsoutput, {}, {})

    print "=== Done scanning and generating, now importing the generated code... ==="

    import qdoffssupport

    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]

            if t == "GWorldPtr" and m in ("InMode", "InOutMode"):

                classname = "Method"

                listname = "methods"

        return classname, listname

    def writeinitialdefs(self):

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

    def makeblacklistnames(self):

        return [

                'DisposeGWorld', # Implied when the object is deleted

                'NewGWorldFromHBITMAP', # Don't know what the args do

                'GetGDeviceAttributes', # Windows-only

                ]

    def makeblacklisttypes(self):

        return [

                "void_ptr",             # GetGDeviceSurface, blacklisted for now

                "Ptr",                  # Again, for now (array is probably ok here)

                ]

    def makerepairinstructions(self):

        return [

##                      ("UpdateGWorld",

##                       [("GWorldPtr", "*", "OutMode")],

##                       [("*", "*", "InOutMode")]),

                # This one is incorrect: we say that all input gdevices are

                # optional, but some are not. Most are, however, so users passing

                # None for non-optional gdevices will get a qd error, I guess, in

                # stead of a python argument error.

                ([("GDHandle", "*", "InMode")],

                 [("OptGDHandle", "*", "InMode")]),

                ]

if __name__ == "__main__":

    main()