94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
# This script generates a Python interface for an Apple Macintosh Manager.
|
|
# It uses the "bgen" package to generate C code.
|
|
# The function specifications are generated by scanning the mamager's header file,
|
|
# using the "scantools" package (customized for this particular manager).
|
|
|
|
import string
|
|
|
|
import addpack
|
|
addpack.addpack(':Tools:bgen:bgen')
|
|
|
|
# Declarations that change for each manager
|
|
MACHEADERFILE = 'Controls.h' # The Apple header file
|
|
MODNAME = 'Ctl' # The name of the module
|
|
OBJECTNAME = 'Control' # The basic name of the objects used here
|
|
|
|
# The following is *usually* unchanged but may still require tuning
|
|
MODPREFIX = MODNAME # The prefix for module-wide routines
|
|
OBJECTTYPE = OBJECTNAME + 'Handle' # The C type used to represent them
|
|
OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
|
|
INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
|
|
OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
|
|
|
|
from macsupport import *
|
|
|
|
# Create the type objects
|
|
|
|
ControlHandle = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
|
|
ControlRef = ControlHandle
|
|
ExistingControlHandle = OpaqueByValueType(OBJECTTYPE, "CtlObj_WhichControl", "BUG")
|
|
|
|
RgnHandle = FakeType("theWindow->visRgn") # XXX
|
|
ControlPartCode = Type("ControlPartCode", "h")
|
|
DragConstraint = Type("DragConstraint", "h")
|
|
|
|
includestuff = includestuff + """
|
|
#include <%s>""" % MACHEADERFILE + """
|
|
|
|
#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
|
|
|
|
extern PyObject *CtlObj_WhichControl(ControlHandle); /* Forward */
|
|
|
|
#ifdef THINK_C
|
|
#define ControlActionUPP ProcPtr
|
|
#endif
|
|
"""
|
|
|
|
finalstuff = finalstuff + """
|
|
PyObject *
|
|
CtlObj_WhichControl(ControlHandle c)
|
|
{
|
|
PyObject *it;
|
|
|
|
/* XXX What if we find a control belonging to some other package? */
|
|
if (c == NULL)
|
|
it = NULL;
|
|
else
|
|
it = (PyObject *) GetCRefCon(c);
|
|
if (it == NULL || ((ControlObject *)it)->ob_itself != c)
|
|
it = Py_None;
|
|
Py_INCREF(it);
|
|
return it;
|
|
}
|
|
"""
|
|
|
|
class MyObjectDefinition(GlobalObjectDefinition):
|
|
def outputCheckNewArg(self):
|
|
Output("if (itself == NULL) return PyMac_Error(resNotFound);")
|
|
def outputInitStructMembers(self):
|
|
GlobalObjectDefinition.outputInitStructMembers(self)
|
|
Output("SetCRefCon(itself, (long)it);")
|
|
|
|
# Create the generator groups and link them
|
|
module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
|
|
object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
|
|
module.addobject(object)
|
|
|
|
# Create the generator classes used to populate the lists
|
|
Function = OSErrFunctionGenerator
|
|
Method = OSErrMethodGenerator
|
|
|
|
# Create and populate the lists
|
|
functions = []
|
|
methods = []
|
|
execfile(INPUTFILE)
|
|
execfile('ctledit.py')
|
|
|
|
# add the populated lists to the generator groups
|
|
for f in functions: module.add(f)
|
|
for f in methods: object.add(f)
|
|
|
|
# generate output (open the output file as late as possible)
|
|
SetOutputFileName(OUTPUTFILE)
|
|
module.generate()
|