mirror of
https://github.com/python/cpython.git
synced 2025-10-30 01:47:38 +00:00
96cebde909
some of the more compilcated cases (CF, Res) haven't been done yet. Also, various types should inherit from each other (anything with an as_Resource method should be a Resource subtype, the CF types should become one family).
143 lines
4.6 KiB
Python
143 lines
4.6 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
|
|
|
|
# Declarations that change for each manager
|
|
MACHEADERFILE = 'QDOffscreen.h' # The Apple header file
|
|
MODNAME = '_Qdoffs' # The name of the module
|
|
OBJECTNAME = 'GWorld' # The basic name of the objects used here
|
|
|
|
# The following is *usually* unchanged but may still require tuning
|
|
MODPREFIX = 'Qdoffs' # The prefix for module-wide routines
|
|
OBJECTTYPE = OBJECTNAME + 'Ptr' # The C type used to represent them
|
|
OBJECTPREFIX = OBJECTNAME + 'Obj' # The prefix for object methods
|
|
INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
|
|
#EDITFILE = string.lower(MODPREFIX) + 'edit.py' # The manual definitions
|
|
OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
|
|
|
|
from macsupport import *
|
|
|
|
# Create the type objects
|
|
|
|
GWorldPtr = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
|
|
GWorldFlags = Type("GWorldFlags", "l")
|
|
GDHandle = OpaqueByValueType("GDHandle", "ResObj")
|
|
OptGDHandle = OpaqueByValueType("GDHandle", "OptResObj")
|
|
CTabHandle = OpaqueByValueType("CTabHandle", "OptResObj")
|
|
PixPatHandle = OpaqueByValueType("PixPatHandle", "ResObj")
|
|
PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj")
|
|
CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
|
|
GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
|
|
QDErr = OSErrType("QDErr", 'h')
|
|
|
|
includestuff = includestuff + """
|
|
#ifdef WITHOUT_FRAMEWORKS
|
|
#include <QDOffscreen.h>
|
|
#else
|
|
#include <Carbon/Carbon.h>
|
|
#endif
|
|
|
|
#ifdef USE_TOOLBOX_OBJECT_GLUE
|
|
extern PyObject *_GWorldObj_New(GWorldPtr);
|
|
extern int _GWorldObj_Convert(PyObject *, GWorldPtr *);
|
|
|
|
#define GWorldObj_New _GWorldObj_New
|
|
#define GWorldObj_Convert _GWorldObj_Convert
|
|
#endif
|
|
|
|
#define as_GrafPtr(gworld) ((GrafPtr)(gworld))
|
|
|
|
"""
|
|
|
|
initstuff = initstuff + """
|
|
PyMac_INIT_TOOLBOX_OBJECT_NEW(GWorldPtr, GWorldObj_New);
|
|
PyMac_INIT_TOOLBOX_OBJECT_CONVERT(GWorldPtr, GWorldObj_Convert);
|
|
"""
|
|
|
|
class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
|
|
# XXXX Should inherit from GrafPtr?
|
|
def outputCheckNewArg(self):
|
|
Output("if (itself == NULL) return PyMac_Error(resNotFound);")
|
|
## def outputInitStructMembers(self):
|
|
## GlobalObjectDefinition.outputInitStructMembers(self)
|
|
## Output("SetWRefCon(itself, (long)it);")
|
|
## def outputCheckConvertArg(self):
|
|
## OutLbrace("if (DlgObj_Check(v))")
|
|
## Output("*p_itself = ((WindowObject *)v)->ob_itself;")
|
|
## Output("return 1;")
|
|
## OutRbrace()
|
|
## Out("""
|
|
## if (v == Py_None) { *p_itself = NULL; return 1; }
|
|
## if (PyInt_Check(v)) { *p_itself = (WindowPtr)PyInt_AsLong(v); return 1; }
|
|
## """)
|
|
def outputFreeIt(self, itselfname):
|
|
Output("DisposeGWorld(%s);", itselfname)
|
|
# From here on it's basically all boiler plate...
|
|
|
|
# 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 = OSErrWeakLinkFunctionGenerator
|
|
Method = OSErrWeakLinkMethodGenerator
|
|
|
|
# Create and populate the lists
|
|
functions = []
|
|
methods = []
|
|
execfile(INPUTFILE)
|
|
|
|
# A method to convert a GWorldPtr to a GrafPtr
|
|
f = Method(GrafPtr, 'as_GrafPtr', (GWorldPtr, 'p', InMode))
|
|
methods.append(f)
|
|
|
|
#
|
|
# Manual generator: get data out of a pixmap
|
|
pixmapgetbytes_body = """
|
|
PixMapHandle pm;
|
|
int from, length;
|
|
char *cp;
|
|
|
|
if ( !PyArg_ParseTuple(_args, "O&ii", ResObj_Convert, &pm, &from, &length) )
|
|
return NULL;
|
|
cp = GetPixBaseAddr(pm)+from;
|
|
_res = PyString_FromStringAndSize(cp, length);
|
|
return _res;
|
|
"""
|
|
f = ManualGenerator("GetPixMapBytes", pixmapgetbytes_body)
|
|
f.docstring = lambda: """(pixmap, int start, int size) -> string. Return bytes from the pixmap"""
|
|
functions.append(f)
|
|
|
|
# Manual generator: store data in a pixmap
|
|
pixmapputbytes_body = """
|
|
PixMapHandle pm;
|
|
int from, length;
|
|
char *cp, *icp;
|
|
|
|
if ( !PyArg_ParseTuple(_args, "O&is#", ResObj_Convert, &pm, &from, &icp, &length) )
|
|
return NULL;
|
|
cp = GetPixBaseAddr(pm)+from;
|
|
memcpy(cp, icp, length);
|
|
Py_INCREF(Py_None);
|
|
_res = Py_None;
|
|
return _res;
|
|
"""
|
|
f = ManualGenerator("PutPixMapBytes", pixmapputbytes_body)
|
|
f.docstring = lambda: """(pixmap, int start, string data). Store bytes into the pixmap"""
|
|
functions.append(f)
|
|
|
|
# add the populated lists to the generator groups
|
|
# (in a different wordl the scan program would generate this)
|
|
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()
|