379 lines
13 KiB
Python
379 lines
13 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 = 'QuickDraw.h' # The Apple header file
|
|
MODNAME = 'Qd' # The name of the module
|
|
OBJECTNAME = 'Graf' # 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 + 'Ptr' # 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
|
|
EXTRAFILE = string.lower(MODPREFIX) + 'edit.py' # A similar file but hand-made
|
|
OUTPUTFILE = MODNAME + "module.c" # The file generated by this program
|
|
|
|
from macsupport import *
|
|
|
|
# Create the type objects
|
|
|
|
class TextThingieClass(FixedInputBufferType):
|
|
def getargsCheck(self, name):
|
|
pass
|
|
|
|
TextThingie = TextThingieClass(None)
|
|
|
|
# These are temporary!
|
|
RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
|
|
OptRgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
|
|
PicHandle = OpaqueByValueType("PicHandle", "ResObj")
|
|
PolyHandle = OpaqueByValueType("PolyHandle", "ResObj")
|
|
PixMapHandle = OpaqueByValueType("PixMapHandle", "ResObj")
|
|
PixPatHandle = OpaqueByValueType("PixPatHandle", "ResObj")
|
|
PatHandle = OpaqueByValueType("PatHandle", "ResObj")
|
|
CursHandle = OpaqueByValueType("CursHandle", "ResObj")
|
|
CCrsrHandle = OpaqueByValueType("CCrsrHandle", "ResObj")
|
|
CIconHandle = OpaqueByValueType("CIconHandle", "ResObj")
|
|
CTabHandle = OpaqueByValueType("CTabHandle", "ResObj")
|
|
ITabHandle = OpaqueByValueType("ITabHandle", "ResObj")
|
|
GDHandle = OpaqueByValueType("GDHandle", "ResObj")
|
|
CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
|
|
GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
|
|
BitMap_ptr = OpaqueByValueType("BitMapPtr", "BMObj")
|
|
RGBColor = OpaqueType('RGBColor', 'QdRGB')
|
|
RGBColor_ptr = RGBColor
|
|
FontInfo = OpaqueType('FontInfo', 'QdFI')
|
|
|
|
Cursor_ptr = StructInputBufferType('Cursor')
|
|
Pattern = StructOutputBufferType('Pattern')
|
|
Pattern_ptr = StructInputBufferType('Pattern')
|
|
PenState = StructOutputBufferType('PenState')
|
|
PenState_ptr = StructInputBufferType('PenState')
|
|
|
|
includestuff = includestuff + """
|
|
#include <%s>""" % MACHEADERFILE + """
|
|
|
|
#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
|
|
|
|
/*
|
|
** Parse/generate RGB records
|
|
*/
|
|
PyObject *QdRGB_New(itself)
|
|
RGBColorPtr itself;
|
|
{
|
|
|
|
return Py_BuildValue("lll", (long)itself->red, (long)itself->green, (long)itself->blue);
|
|
}
|
|
|
|
QdRGB_Convert(v, p_itself)
|
|
PyObject *v;
|
|
RGBColorPtr p_itself;
|
|
{
|
|
long red, green, blue;
|
|
|
|
if( !PyArg_ParseTuple(v, "lll", &red, &green, &blue) )
|
|
return 0;
|
|
p_itself->red = (unsigned short)red;
|
|
p_itself->green = (unsigned short)green;
|
|
p_itself->blue = (unsigned short)blue;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
** Generate FontInfo records
|
|
*/
|
|
static
|
|
PyObject *QdFI_New(itself)
|
|
FontInfo *itself;
|
|
{
|
|
|
|
return Py_BuildValue("hhhh", itself->ascent, itself->descent,
|
|
itself->widMax, itself->leading);
|
|
}
|
|
|
|
|
|
"""
|
|
|
|
variablestuff = """
|
|
{
|
|
PyObject *o;
|
|
|
|
o = QDGA_New();
|
|
if (o == NULL || PyDict_SetItemString(d, "qd", o) != 0)
|
|
Py_FatalError("can't initialize Qd.qd");
|
|
}
|
|
"""
|
|
|
|
## not yet...
|
|
##
|
|
##class Region_ObjectDefinition(GlobalObjectDefinition):
|
|
## def outputCheckNewArg(self):
|
|
## Output("if (itself == NULL) return PyMac_Error(resNotFound);")
|
|
## def outputFreeIt(self, itselfname):
|
|
## Output("DisposeRegion(%s);", itselfname)
|
|
##
|
|
##class Polygon_ObjectDefinition(GlobalObjectDefinition):
|
|
## def outputCheckNewArg(self):
|
|
## Output("if (itself == NULL) return PyMac_Error(resNotFound);")
|
|
## def outputFreeIt(self, itselfname):
|
|
## Output("KillPoly(%s);", itselfname)
|
|
|
|
class MyGRObjectDefinition(GlobalObjectDefinition):
|
|
def outputCheckNewArg(self):
|
|
Output("if (itself == NULL) return PyMac_Error(resNotFound);")
|
|
def outputCheckConvertArg(self):
|
|
OutLbrace("if (DlgObj_Check(v) || WinObj_Check(v))")
|
|
Output("*p_itself = ((GrafPortObject *)v)->ob_itself;")
|
|
Output("return 1;")
|
|
OutRbrace()
|
|
def outputGetattrHook(self):
|
|
Output("""
|
|
{ CGrafPtr itself_color = (CGrafPtr)self->ob_itself;
|
|
|
|
if ( strcmp(name, "data") == 0 )
|
|
return PyString_FromStringAndSize((char *)self->ob_itself, sizeof(GrafPort));
|
|
|
|
if ( (itself_color->portVersion&0xc000) == 0xc000 ) {
|
|
/* Color-only attributes */
|
|
|
|
if ( strcmp(name, "portBits") == 0 )
|
|
/* XXXX Do we need HLock() stuff here?? */
|
|
return BMObj_New((BitMapPtr)*itself_color->portPixMap);
|
|
if ( strcmp(name, "grafVars") == 0 )
|
|
return Py_BuildValue("O&", ResObj_New, (Handle)itself_color->visRgn);
|
|
if ( strcmp(name, "chExtra") == 0 )
|
|
return Py_BuildValue("h", itself_color->chExtra);
|
|
if ( strcmp(name, "pnLocHFrac") == 0 )
|
|
return Py_BuildValue("h", itself_color->pnLocHFrac);
|
|
if ( strcmp(name, "bkPixPat") == 0 )
|
|
return Py_BuildValue("O&", ResObj_New, (Handle)itself_color->bkPixPat);
|
|
if ( strcmp(name, "rgbFgColor") == 0 )
|
|
return Py_BuildValue("O&", QdRGB_New, &itself_color->rgbFgColor);
|
|
if ( strcmp(name, "rgbBkColor") == 0 )
|
|
return Py_BuildValue("O&", QdRGB_New, &itself_color->rgbBkColor);
|
|
if ( strcmp(name, "pnPixPat") == 0 )
|
|
return Py_BuildValue("O&", ResObj_New, (Handle)itself_color->pnPixPat);
|
|
if ( strcmp(name, "fillPixPat") == 0 )
|
|
return Py_BuildValue("O&", ResObj_New, (Handle)itself_color->fillPixPat);
|
|
} else {
|
|
/* Mono-only attributes */
|
|
if ( strcmp(name, "portBits") == 0 )
|
|
return BMObj_New(&self->ob_itself->portBits);
|
|
if ( strcmp(name, "bkPat") == 0 )
|
|
return Py_BuildValue("s#", (char *)&self->ob_itself->bkPat, sizeof(Pattern));
|
|
if ( strcmp(name, "fillPat") == 0 )
|
|
return Py_BuildValue("s#", (char *)&self->ob_itself->fillPat, sizeof(Pattern));
|
|
if ( strcmp(name, "pnPat") == 0 )
|
|
return Py_BuildValue("s#", (char *)&self->ob_itself->pnPat, sizeof(Pattern));
|
|
}
|
|
/*
|
|
** Accessible for both color/mono windows.
|
|
** portVersion is really color-only, but we put it here
|
|
** for convenience
|
|
*/
|
|
if ( strcmp(name, "portVersion") == 0 )
|
|
return Py_BuildValue("h", itself_color->portVersion);
|
|
if ( strcmp(name, "device") == 0 )
|
|
return PyInt_FromLong((long)self->ob_itself->device);
|
|
if ( strcmp(name, "portRect") == 0 )
|
|
return Py_BuildValue("O&", PyMac_BuildRect, &self->ob_itself->portRect);
|
|
if ( strcmp(name, "visRgn") == 0 )
|
|
return Py_BuildValue("O&", ResObj_New, (Handle)self->ob_itself->visRgn);
|
|
if ( strcmp(name, "clipRgn") == 0 )
|
|
return Py_BuildValue("O&", ResObj_New, (Handle)self->ob_itself->clipRgn);
|
|
if ( strcmp(name, "pnLoc") == 0 )
|
|
return Py_BuildValue("O&", PyMac_BuildPoint, self->ob_itself->pnLoc);
|
|
if ( strcmp(name, "pnSize") == 0 )
|
|
return Py_BuildValue("O&", PyMac_BuildPoint, self->ob_itself->pnSize);
|
|
if ( strcmp(name, "pnMode") == 0 )
|
|
return Py_BuildValue("h", self->ob_itself->pnMode);
|
|
if ( strcmp(name, "pnVis") == 0 )
|
|
return Py_BuildValue("h", self->ob_itself->pnVis);
|
|
if ( strcmp(name, "txFont") == 0 )
|
|
return Py_BuildValue("h", self->ob_itself->txFont);
|
|
if ( strcmp(name, "txFace") == 0 )
|
|
return Py_BuildValue("h", (short)self->ob_itself->txFace);
|
|
if ( strcmp(name, "txMode") == 0 )
|
|
return Py_BuildValue("h", self->ob_itself->txMode);
|
|
if ( strcmp(name, "txSize") == 0 )
|
|
return Py_BuildValue("h", self->ob_itself->txSize);
|
|
if ( strcmp(name, "spExtra") == 0 )
|
|
return Py_BuildValue("O&", PyMac_BuildFixed, self->ob_itself->spExtra);
|
|
/* XXXX Add more, as needed */
|
|
/* This one is so we can compare grafports: */
|
|
if ( strcmp(name, "_id") == 0 )
|
|
return Py_BuildValue("l", (long)self->ob_itself);
|
|
}""")
|
|
|
|
class MyBMObjectDefinition(GlobalObjectDefinition):
|
|
def outputCheckNewArg(self):
|
|
Output("if (itself == NULL) return PyMac_Error(resNotFound);")
|
|
def outputStructMembers(self):
|
|
# We need to more items: a pointer to privately allocated data
|
|
# and a python object we're referring to.
|
|
Output("%s ob_itself;", self.itselftype)
|
|
Output("PyObject *referred_object;")
|
|
Output("BitMap *referred_bitmap;")
|
|
def outputInitStructMembers(self):
|
|
Output("it->ob_itself = %sitself;", self.argref)
|
|
Output("it->referred_object = NULL;")
|
|
Output("it->referred_bitmap = NULL;")
|
|
def outputCleanupStructMembers(self):
|
|
Output("Py_XDECREF(self->referred_object);")
|
|
Output("if (self->referred_bitmap) free(self->referred_bitmap);")
|
|
def outputGetattrHook(self):
|
|
Output("""if ( strcmp(name, "baseAddr") == 0 )
|
|
return PyInt_FromLong((long)self->ob_itself->baseAddr);
|
|
if ( strcmp(name, "rowBytes") == 0 )
|
|
return PyInt_FromLong((long)self->ob_itself->rowBytes);
|
|
if ( strcmp(name, "bounds") == 0 )
|
|
return Py_BuildValue("O&", PyMac_BuildRect, &self->ob_itself->bounds);
|
|
/* XXXX Add more, as needed */
|
|
if ( strcmp(name, "bitmap_data") == 0 )
|
|
return PyString_FromStringAndSize((char *)self->ob_itself, sizeof(BitMap));
|
|
if ( strcmp(name, "pixmap_data") == 0 )
|
|
return PyString_FromStringAndSize((char *)self->ob_itself, sizeof(PixMap));
|
|
""")
|
|
|
|
# This object is instanciated once, and will access qd globals.
|
|
class QDGlobalsAccessObjectDefinition(ObjectDefinition):
|
|
def outputStructMembers(self):
|
|
pass
|
|
def outputNew(self):
|
|
Output()
|
|
Output("%sPyObject *%s_New()", self.static, self.prefix)
|
|
OutLbrace()
|
|
Output("%s *it;", self.objecttype)
|
|
Output("it = PyObject_NEW(%s, &%s);", self.objecttype, self.typename)
|
|
Output("if (it == NULL) return NULL;")
|
|
Output("return (PyObject *)it;")
|
|
OutRbrace()
|
|
def outputConvert(self):
|
|
pass
|
|
def outputCleanupStructMembers(self):
|
|
pass
|
|
|
|
def outputGetattrHook(self):
|
|
Output("""
|
|
if ( strcmp(name, "arrow") == 0 )
|
|
return PyString_FromStringAndSize((char *)&qd.arrow, sizeof(qd.arrow));
|
|
if ( strcmp(name, "black") == 0 )
|
|
return PyString_FromStringAndSize((char *)&qd.black, sizeof(qd.black));
|
|
if ( strcmp(name, "white") == 0 )
|
|
return PyString_FromStringAndSize((char *)&qd.white, sizeof(qd.white));
|
|
if ( strcmp(name, "gray") == 0 )
|
|
return PyString_FromStringAndSize((char *)&qd.gray, sizeof(qd.gray));
|
|
if ( strcmp(name, "ltGray") == 0 )
|
|
return PyString_FromStringAndSize((char *)&qd.ltGray, sizeof(qd.ltGray));
|
|
if ( strcmp(name, "dkGray") == 0 )
|
|
return PyString_FromStringAndSize((char *)&qd.dkGray, sizeof(qd.dkGray));
|
|
if ( strcmp(name, "screenBits") == 0 )
|
|
return BMObj_New(&qd.screenBits);
|
|
if ( strcmp(name, "thePort") == 0 )
|
|
return GrafObj_New(qd.thePort);
|
|
if ( strcmp(name, "randSeed") == 0 )
|
|
return Py_BuildValue("l", &qd.randSeed);
|
|
""")
|
|
|
|
# Create the generator groups and link them
|
|
module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff, variablestuff)
|
|
##r_object = Region_ObjectDefinition('Region', 'QdRgn', 'RgnHandle')
|
|
##po_object = Polygon_ObjectDefinition('Polygon', 'QdPgn', 'PolyHandle')
|
|
##module.addobject(r_object)
|
|
##module.addobject(po_object)
|
|
gr_object = MyGRObjectDefinition("GrafPort", "GrafObj", "GrafPtr")
|
|
module.addobject(gr_object)
|
|
bm_object = MyBMObjectDefinition("BitMap", "BMObj", "BitMapPtr")
|
|
module.addobject(bm_object)
|
|
qd_object = QDGlobalsAccessObjectDefinition("QDGlobalsAccess", "QDGA", "XXXX")
|
|
module.addobject(qd_object)
|
|
|
|
|
|
# Create the generator classes used to populate the lists
|
|
Function = OSErrFunctionGenerator
|
|
Method = OSErrMethodGenerator
|
|
|
|
# Create and populate the lists
|
|
functions = []
|
|
methods = []
|
|
execfile(INPUTFILE)
|
|
#execfile(EXTRAFILE)
|
|
|
|
# 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 r_methods: r_object.add(f)
|
|
##for f in po_methods: po_object.add(f)
|
|
|
|
#
|
|
# We manually generate a routine to create a BitMap from python data.
|
|
#
|
|
BitMap_body = """
|
|
BitMap *ptr;
|
|
PyObject *source;
|
|
Rect bounds;
|
|
int rowbytes;
|
|
char *data;
|
|
|
|
if ( !PyArg_ParseTuple(_args, "O!iO&", &PyString_Type, &source, &rowbytes, PyMac_GetRect,
|
|
&bounds) )
|
|
return NULL;
|
|
data = PyString_AsString(source);
|
|
if ((ptr=(BitMap *)malloc(sizeof(BitMap))) == NULL )
|
|
return PyErr_NoMemory();
|
|
ptr->baseAddr = (Ptr)data;
|
|
ptr->rowBytes = rowbytes;
|
|
ptr->bounds = bounds;
|
|
if ( (_res = BMObj_New(ptr)) == NULL ) {
|
|
free(ptr);
|
|
return NULL;
|
|
}
|
|
((BitMapObject *)_res)->referred_object = source;
|
|
Py_INCREF(source);
|
|
((BitMapObject *)_res)->referred_bitmap = ptr;
|
|
return _res;
|
|
"""
|
|
|
|
f = ManualGenerator("BitMap", BitMap_body)
|
|
f.docstring = lambda: """Take (string, int, Rect) argument and create BitMap"""
|
|
module.add(f)
|
|
|
|
#
|
|
# And again, for turning a correctly-formatted structure into the object
|
|
#
|
|
RawBitMap_body = """
|
|
BitMap *ptr;
|
|
PyObject *source;
|
|
|
|
if ( !PyArg_ParseTuple(_args, "O!", &PyString_Type, &source) )
|
|
return NULL;
|
|
if ( PyString_Size(source) != sizeof(BitMap) && PyString_Size(source) != sizeof(PixMap) ) {
|
|
PyErr_BadArgument();
|
|
return NULL;
|
|
}
|
|
ptr = (BitMapPtr)PyString_AsString(source);
|
|
if ( (_res = BMObj_New(ptr)) == NULL ) {
|
|
return NULL;
|
|
}
|
|
((BitMapObject *)_res)->referred_object = source;
|
|
Py_INCREF(source);
|
|
return _res;
|
|
"""
|
|
|
|
f = ManualGenerator("RawBitMap", RawBitMap_body)
|
|
f.docstring = lambda: """Take string BitMap and turn into BitMap object"""
|
|
module.add(f)
|
|
|
|
# generate output (open the output file as late as possible)
|
|
SetOutputFileName(OUTPUTFILE)
|
|
module.generate()
|
|
SetOutputFile() # Close it
|