mirror of https://github.com/python/cpython
94 lines
2.9 KiB
Python
94 lines
2.9 KiB
Python
# This script generates a Python interface for an Apple Macintosh Manager.
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# It uses the "bgen" package to generate C code.
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# The function specifications are generated by scanning the mamager's header file,
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# using the "scantools" package (customized for this particular manager).
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import string
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# Declarations that change for each manager
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MACHEADERFILE = 'Events.h' # The Apple header file
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MODNAME = '_Evt' # The name of the module
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OBJECTNAME = 'Event' # The basic name of the objects used here
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KIND = 'Record' # Usually 'Ptr' or 'Handle'
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# The following is *usually* unchanged but may still require tuning
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MODPREFIX = 'Evt' # The prefix for module-wide routines
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OBJECTTYPE = OBJECTNAME + KIND # The C type used to represent them
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OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
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INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
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OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
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from macsupport import *
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# Create the type objects
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#WindowPeek = OpaqueByValueType("WindowPeek", OBJECTPREFIX)
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RgnHandle = FakeType("(RgnHandle)0")
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# XXXX Should be next, but this will break a lot of code...
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# RgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
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KeyMap = ArrayOutputBufferType("KeyMap")
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##MacOSEventKind = Type("MacOSEventKind", "h") # Old-style
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##MacOSEventMask = Type("MacOSEventMask", "h") # Old-style
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EventMask = Type("EventMask", "H")
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EventKind = Type("EventKind", "H")
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includestuff = includestuff + """
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#include <Carbon/Carbon.h>
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"""
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# From here on it's basically all boiler plate...
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# Create the generator groups and link them
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module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
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# Create the generator classes used to populate the lists
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Function = OSErrWeakLinkFunctionGenerator
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##Method = OSErrWeakLinkMethodGenerator
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# Create and populate the lists
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functions = []
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execfile(INPUTFILE)
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# Move TickCount here, for convenience
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f = Function(UInt32, 'TickCount',
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)
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functions.append(f)
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# add the populated lists to the generator groups
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# (in a different wordl the scan program would generate this)
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for f in functions: module.add(f)
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WaitNextEvent_body = """
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Boolean _rv;
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EventMask eventMask;
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EventRecord theEvent;
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UInt32 sleep;
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Handle mouseregion = (Handle)0;
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if (!PyArg_ParseTuple(_args, "Hl|O&",
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&eventMask,
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&sleep,
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OptResObj_Convert, &mouseregion))
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return NULL;
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_rv = WaitNextEvent(eventMask,
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&theEvent,
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sleep,
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(RgnHandle)mouseregion);
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_res = Py_BuildValue("bO&",
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_rv,
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PyMac_BuildEventRecord, &theEvent);
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return _res;
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"""
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f = ManualGenerator("WaitNextEvent", WaitNextEvent_body);
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f.docstring = lambda: "(EventMask eventMask, UInt32 sleep [,RegionHandle]) -> (Boolean _rv, EventRecord theEvent)"
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module.add(f)
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# generate output (open the output file as late as possible)
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SetOutputFileName(OUTPUTFILE)
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module.generate()
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