1# Scan an Apple header file, generating a Python file of generator calls.
2import sys
3from bgenlocations import TOOLBOXDIR, BGENDIR
4sys.path.append(BGENDIR)
5
6from scantools import Scanner
7
8def main():
9    input = "QDOffscreen.h"
10    output = "qdoffsgen.py"
11    defsoutput = TOOLBOXDIR + "QDOffscreen.py"
12    scanner = MyScanner(input, output, defsoutput)
13    scanner.scan()
14    scanner.close()
15    print "=== Testing definitions output code ==="
16    execfile(defsoutput, {}, {})
17    print "=== Done scanning and generating, now importing the generated code... ==="
18    import qdoffssupport
19    print "=== Done.  It's up to you to compile it now! ==="
20
21class MyScanner(Scanner):
22
23    def destination(self, type, name, arglist):
24        classname = "Function"
25        listname = "functions"
26        if arglist:
27            t, n, m = arglist[0]
28            if t == "GWorldPtr" and m in ("InMode", "InOutMode"):
29                classname = "Method"
30                listname = "methods"
31        return classname, listname
32
33    def writeinitialdefs(self):
34        self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
35
36    def makeblacklistnames(self):
37        return [
38                'DisposeGWorld', # Implied when the object is deleted
39                'NewGWorldFromHBITMAP', # Don't know what the args do
40                'GetGDeviceAttributes', # Windows-only
41                ]
42
43    def makeblacklisttypes(self):
44        return [
45                "void_ptr",             # GetGDeviceSurface, blacklisted for now
46                "Ptr",                  # Again, for now (array is probably ok here)
47                ]
48
49    def makerepairinstructions(self):
50        return [
51
52##                      ("UpdateGWorld",
53##                       [("GWorldPtr", "*", "OutMode")],
54##                       [("*", "*", "InOutMode")]),
55
56                # This one is incorrect: we say that all input gdevices are
57                # optional, but some are not. Most are, however, so users passing
58                # None for non-optional gdevices will get a qd error, I guess, in
59                # stead of a python argument error.
60                ([("GDHandle", "*", "InMode")],
61                 [("OptGDHandle", "*", "InMode")]),
62                ]
63
64if __name__ == "__main__":
65    main()
66