435 lines
12 KiB
Python
435 lines
12 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 = 'WASTE.h' # The Apple header file
|
|
MODNAME = 'waste' # The name of the module
|
|
OBJECTNAME = 'waste' # The basic name of the objects used here
|
|
KIND = 'Ptr' # Usually 'Ptr' or 'Handle'
|
|
|
|
# The following is *usually* unchanged but may still require tuning
|
|
MODPREFIX = MODNAME # The prefix for module-wide routines
|
|
OBJECTTYPE = "WEReference" # The C type used to represent them
|
|
OBJECTPREFIX = MODPREFIX + 'Obj' # The prefix for object methods
|
|
INPUTFILE = 'wastegen.py' # The file generated by the scanner
|
|
TYPETESTFILE = 'wastetypetest.py' # Another file generated by the scanner
|
|
OUTPUTFILE = "wastemodule.c" # The file generated by this program
|
|
|
|
from macsupport import *
|
|
|
|
# Create the type objects
|
|
WEReference = OpaqueByValueType("WEReference", "wasteObj")
|
|
ExistingWEReference = OpaqueByValueType("WEReference", "ExistingwasteObj")
|
|
WEObjectReference = OpaqueByValueType("WEObjectReference", "WEOObj")
|
|
StScrpHandle = OpaqueByValueType("StScrpHandle", "ResObj")
|
|
RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
|
|
EventModifiers = Type("EventModifiers", "H")
|
|
FlavorType = OSTypeType("FlavorType")
|
|
WESelector = OSTypeType("WESelector")
|
|
|
|
OptHandle = OpaqueByValueType("Handle", "OptResObj")
|
|
OptSoupHandle = OpaqueByValueType("WESoupHandle", "OptResObj")
|
|
OptStScrpHandle = OpaqueByValueType("StScrpHandle", "OptResObj")
|
|
|
|
WEStyleMode = Type("WEStyleMode", "H")
|
|
WERulerMode = Type("WERulerMode", "l")
|
|
WEActionKind = Type("WEActionKind", "h")
|
|
WEAlignment = Type("WEAlignment", "B")
|
|
WEEdge = Type("WEEdge", "B")
|
|
WEDirection = Type("WEDirection", "h")
|
|
WESoupHandle = OpaqueByValueType("WESoupHandle", "ResObj")
|
|
WEFontTableHandle = OpaqueByValueType("WEFontTableHandle", "ResObj")
|
|
WEFontTableHandle
|
|
WERunInfo = OpaqueType("WERunInfo", "RunInfo")
|
|
|
|
AppleEvent = OpaqueType('AppleEvent', 'AEDesc')
|
|
AppleEvent_ptr = OpaqueType('AppleEvent', 'AEDesc')
|
|
|
|
TextStyle = OpaqueType("TextStyle", "TextStyle")
|
|
TextStyle_ptr = TextStyle
|
|
LongPt = OpaqueType("LongPt", "LongPt")
|
|
LongPt_ptr = LongPt
|
|
LongRect = OpaqueType("LongRect", "LongRect")
|
|
LongRect_ptr = LongRect
|
|
|
|
TextEncodingVariant = Type("TextEncodingVariant", "l")
|
|
TextEncodingFormat = Type("TextEncodingFormat", "l")
|
|
|
|
includestuff = includestuff + """
|
|
#include <%s>""" % MACHEADERFILE + """
|
|
#include <WEObjectHandlers.h>
|
|
#include <WETabs.h>
|
|
#ifndef PyDoc_STR
|
|
#define PyDoc_STR(x) (x)
|
|
#endif
|
|
|
|
/* Exported by Qdmodule.c: */
|
|
extern PyObject *QdRGB_New(RGBColor *);
|
|
extern int QdRGB_Convert(PyObject *, RGBColor *);
|
|
|
|
/* Exported by AEModule.c: */
|
|
extern PyObject *AEDesc_New(AppleEvent *);
|
|
extern int AEDesc_Convert(PyObject *, AppleEvent *);
|
|
|
|
/* Forward declaration */
|
|
static PyObject *WEOObj_New(WEObjectReference);
|
|
static PyObject *ExistingwasteObj_New(WEReference);
|
|
|
|
/*
|
|
** Parse/generate TextStyle records
|
|
*/
|
|
static
|
|
PyObject *TextStyle_New(itself)
|
|
TextStylePtr itself;
|
|
{
|
|
|
|
return Py_BuildValue("lllO&", (long)itself->tsFont, (long)itself->tsFace, (long)itself->tsSize, QdRGB_New,
|
|
&itself->tsColor);
|
|
}
|
|
|
|
static
|
|
TextStyle_Convert(v, p_itself)
|
|
PyObject *v;
|
|
TextStylePtr p_itself;
|
|
{
|
|
long font, face, size;
|
|
|
|
if( !PyArg_ParseTuple(v, "lllO&", &font, &face, &size, QdRGB_Convert, &p_itself->tsColor) )
|
|
return 0;
|
|
p_itself->tsFont = (short)font;
|
|
p_itself->tsFace = (Style)face;
|
|
p_itself->tsSize = (short)size;
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
** Parse/generate RunInfo records
|
|
*/
|
|
static
|
|
PyObject *RunInfo_New(itself)
|
|
WERunInfo *itself;
|
|
{
|
|
|
|
return Py_BuildValue("llhhO&O&", itself->runStart, itself->runEnd, itself->runHeight,
|
|
itself->runAscent, TextStyle_New, &itself->runStyle, WEOObj_New, itself->runObject);
|
|
}
|
|
|
|
/* Conversion of long points and rects */
|
|
int
|
|
LongRect_Convert(PyObject *v, LongRect *r)
|
|
{
|
|
return PyArg_Parse(v, "(llll)", &r->left, &r->top, &r->right, &r->bottom);
|
|
}
|
|
|
|
PyObject *
|
|
LongRect_New(LongRect *r)
|
|
{
|
|
return Py_BuildValue("(llll)", r->left, r->top, r->right, r->bottom);
|
|
}
|
|
|
|
|
|
LongPt_Convert(PyObject *v, LongPt *p)
|
|
{
|
|
return PyArg_Parse(v, "(ll)", &p->h, &p->v);
|
|
}
|
|
|
|
PyObject *
|
|
LongPt_New(LongPt *p)
|
|
{
|
|
return Py_BuildValue("(ll)", p->h, p->v);
|
|
}
|
|
|
|
/* Stuff for the callbacks: */
|
|
static PyObject *callbackdict;
|
|
WENewObjectUPP upp_new_handler;
|
|
WEDisposeObjectUPP upp_dispose_handler;
|
|
WEDrawObjectUPP upp_draw_handler;
|
|
WEClickObjectUPP upp_click_handler;
|
|
|
|
static OSErr
|
|
any_handler(WESelector what, WEObjectReference who, PyObject *args, PyObject **rv)
|
|
{
|
|
FlavorType tp;
|
|
PyObject *key, *func;
|
|
|
|
if ( args == NULL ) return errAECorruptData;
|
|
|
|
tp = WEGetObjectType(who);
|
|
|
|
if( (key=Py_BuildValue("O&O&", PyMac_BuildOSType, tp, PyMac_BuildOSType, what)) == NULL)
|
|
return errAECorruptData;
|
|
if( (func = PyDict_GetItem(callbackdict, key)) == NULL ) {
|
|
Py_DECREF(key);
|
|
return errAEHandlerNotFound;
|
|
}
|
|
Py_INCREF(func);
|
|
*rv = PyEval_CallObject(func, args);
|
|
Py_DECREF(func);
|
|
Py_DECREF(key);
|
|
if ( *rv == NULL ) {
|
|
PySys_WriteStderr("--Exception in callback: ");
|
|
PyErr_Print();
|
|
return errAEReplyNotArrived;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static pascal OSErr
|
|
my_new_handler(Point *objectSize, WEObjectReference objref)
|
|
{
|
|
PyObject *args=NULL, *rv=NULL;
|
|
OSErr err;
|
|
|
|
args=Py_BuildValue("(O&)", WEOObj_New, objref);
|
|
err = any_handler(weNewHandler, objref, args, &rv);
|
|
if (!err) {
|
|
if (!PyMac_GetPoint(rv, objectSize) )
|
|
err = errAECoercionFail;
|
|
}
|
|
if ( args ) Py_DECREF(args);
|
|
if ( rv ) Py_DECREF(rv);
|
|
return err;
|
|
}
|
|
|
|
static pascal OSErr
|
|
my_dispose_handler(WEObjectReference objref)
|
|
{
|
|
PyObject *args=NULL, *rv=NULL;
|
|
OSErr err;
|
|
|
|
args=Py_BuildValue("(O&)", WEOObj_New, objref);
|
|
err = any_handler(weDisposeHandler, objref, args, &rv);
|
|
if ( args ) Py_DECREF(args);
|
|
if ( rv ) Py_DECREF(rv);
|
|
return err;
|
|
}
|
|
|
|
static pascal OSErr
|
|
my_draw_handler(const Rect *destRect, WEObjectReference objref)
|
|
{
|
|
PyObject *args=NULL, *rv=NULL;
|
|
OSErr err;
|
|
|
|
args=Py_BuildValue("O&O&", PyMac_BuildRect, destRect, WEOObj_New, objref);
|
|
err = any_handler(weDrawHandler, objref, args, &rv);
|
|
if ( args ) Py_DECREF(args);
|
|
if ( rv ) Py_DECREF(rv);
|
|
return err;
|
|
}
|
|
|
|
static pascal Boolean
|
|
my_click_handler(Point hitPt, EventModifiers modifiers,
|
|
unsigned long clickTime, WEObjectReference objref)
|
|
{
|
|
PyObject *args=NULL, *rv=NULL;
|
|
int retvalue;
|
|
OSErr err;
|
|
|
|
args=Py_BuildValue("O&llO&", PyMac_BuildPoint, hitPt,
|
|
(long)modifiers, (long)clickTime, WEOObj_New, objref);
|
|
err = any_handler(weClickHandler, objref, args, &rv);
|
|
if (!err)
|
|
retvalue = PyInt_AsLong(rv);
|
|
else
|
|
retvalue = 0;
|
|
if ( args ) Py_DECREF(args);
|
|
if ( rv ) Py_DECREF(rv);
|
|
return retvalue;
|
|
}
|
|
|
|
|
|
"""
|
|
finalstuff = finalstuff + """
|
|
/* Return the object corresponding to the window, or NULL */
|
|
|
|
PyObject *
|
|
ExistingwasteObj_New(w)
|
|
WEReference w;
|
|
{
|
|
PyObject *it = NULL;
|
|
|
|
if (w == NULL)
|
|
it = NULL;
|
|
else
|
|
WEGetInfo(weRefCon, (void *)&it, w);
|
|
if (it == NULL || ((wasteObject *)it)->ob_itself != w)
|
|
it = Py_None;
|
|
Py_INCREF(it);
|
|
return it;
|
|
}
|
|
"""
|
|
|
|
class WEMethodGenerator(OSErrMethodGenerator):
|
|
"""Similar to MethodGenerator, but has self as last argument"""
|
|
|
|
def parseArgumentList(self, args):
|
|
args, a0 = args[:-1], args[-1]
|
|
t0, n0, m0 = a0
|
|
if m0 != InMode:
|
|
raise ValueError, "method's 'self' must be 'InMode'"
|
|
self.itself = Variable(t0, "_self->ob_itself", SelfMode)
|
|
FunctionGenerator.parseArgumentList(self, args)
|
|
self.argumentList.append(self.itself)
|
|
|
|
|
|
|
|
class WEObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
|
|
def outputCheckNewArg(self):
|
|
Output("""if (itself == NULL) {
|
|
PyErr_SetString(waste_Error,"Cannot create null WE");
|
|
return NULL;
|
|
}""")
|
|
def outputInitStructMembers(self):
|
|
GlobalObjectDefinition.outputInitStructMembers(self)
|
|
Output("WESetInfo(weRefCon, (void *)&it, itself);")
|
|
def outputFreeIt(self, itselfname):
|
|
Output("WEDispose(%s);", itselfname)
|
|
|
|
class WEOObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
|
|
def outputCheckNewArg(self):
|
|
Output("""if (itself == NULL) {
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}""")
|
|
|
|
variablestuff = """
|
|
callbackdict = PyDict_New();
|
|
if (callbackdict == NULL || PyDict_SetItemString(d, "callbacks", callbackdict) != 0)
|
|
return;
|
|
upp_new_handler = NewWENewObjectProc(my_new_handler);
|
|
upp_dispose_handler = NewWEDisposeObjectProc(my_dispose_handler);
|
|
upp_draw_handler = NewWEDrawObjectProc(my_draw_handler);
|
|
upp_click_handler = NewWEClickObjectProc(my_click_handler);
|
|
"""
|
|
|
|
|
|
# From here on it's basically all boiler plate...
|
|
|
|
# Test types used for existence
|
|
## execfile(TYPETESTFILE)
|
|
|
|
# Create the generator groups and link them
|
|
module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff, variablestuff)
|
|
object = WEObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
|
|
object2 = WEOObjectDefinition("WEO", "WEOObj", "WEObjectReference")
|
|
module.addobject(object2)
|
|
module.addobject(object)
|
|
|
|
# Create the generator classes used to populate the lists
|
|
Function = OSErrFunctionGenerator
|
|
Method = WEMethodGenerator
|
|
Method2 = OSErrMethodGenerator
|
|
|
|
# Create and populate the lists
|
|
functions = []
|
|
methods = []
|
|
methods2 = []
|
|
execfile(INPUTFILE)
|
|
|
|
# A function written by hand:
|
|
stdhandlers_body = """
|
|
OSErr err;
|
|
// install the sample object handlers for pictures and sounds
|
|
#define kTypePicture 'PICT'
|
|
#define kTypeSound 'snd '
|
|
|
|
if ( !PyArg_ParseTuple(_args, "") ) return NULL;
|
|
|
|
if ((err = WEInstallObjectHandler(kTypePicture, weNewHandler,
|
|
(UniversalProcPtr) NewWENewObjectProc(HandleNewPicture), NULL)) != noErr)
|
|
goto cleanup;
|
|
|
|
if ((err = WEInstallObjectHandler(kTypePicture, weDisposeHandler,
|
|
(UniversalProcPtr) NewWEDisposeObjectProc(HandleDisposePicture), NULL)) != noErr)
|
|
goto cleanup;
|
|
|
|
if ((err = WEInstallObjectHandler(kTypePicture, weDrawHandler,
|
|
(UniversalProcPtr) NewWEDrawObjectProc(HandleDrawPicture), NULL)) != noErr)
|
|
goto cleanup;
|
|
|
|
if ((err = WEInstallObjectHandler(kTypeSound, weNewHandler,
|
|
(UniversalProcPtr) NewWENewObjectProc(HandleNewSound), NULL)) != noErr)
|
|
goto cleanup;
|
|
|
|
if ((err = WEInstallObjectHandler(kTypeSound, weDrawHandler,
|
|
(UniversalProcPtr) NewWEDrawObjectProc(HandleDrawSound), NULL)) != noErr)
|
|
goto cleanup;
|
|
|
|
if ((err = WEInstallObjectHandler(kTypeSound, weClickHandler,
|
|
(UniversalProcPtr) NewWEClickObjectProc(HandleClickSound), NULL)) != noErr)
|
|
goto cleanup;
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
|
|
cleanup:
|
|
return PyMac_Error(err);
|
|
"""
|
|
|
|
inshandler_body = """
|
|
OSErr err;
|
|
FlavorType objectType;
|
|
WESelector selector;
|
|
PyObject *py_handler;
|
|
UniversalProcPtr handler;
|
|
WEReference we = NULL;
|
|
PyObject *key;
|
|
|
|
|
|
if ( !PyArg_ParseTuple(_args, "O&O&O|O&",
|
|
PyMac_GetOSType, &objectType,
|
|
PyMac_GetOSType, &selector,
|
|
&py_handler,
|
|
WEOObj_Convert, &we) ) return NULL;
|
|
|
|
if ( selector == weNewHandler ) handler = (UniversalProcPtr)upp_new_handler;
|
|
else if ( selector == weDisposeHandler ) handler = (UniversalProcPtr)upp_dispose_handler;
|
|
else if ( selector == weDrawHandler ) handler = (UniversalProcPtr)upp_draw_handler;
|
|
else if ( selector == weClickHandler ) handler = (UniversalProcPtr)upp_click_handler;
|
|
else return PyMac_Error(weUndefinedSelectorErr);
|
|
|
|
if ((key = Py_BuildValue("O&O&",
|
|
PyMac_BuildOSType, objectType,
|
|
PyMac_BuildOSType, selector)) == NULL )
|
|
return NULL;
|
|
|
|
PyDict_SetItem(callbackdict, key, py_handler);
|
|
|
|
err = WEInstallObjectHandler(objectType, selector, handler, we);
|
|
if ( err ) return PyMac_Error(err);
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
"""
|
|
|
|
stdhand = ManualGenerator("STDObjectHandlers", stdhandlers_body)
|
|
inshand = ManualGenerator("WEInstallObjectHandler", inshandler_body)
|
|
|
|
|
|
# Tab hook handlers. Could be parsed from WETabs.h, but this is just as simple.
|
|
f = Method(OSErr, 'WEInstallTabHooks', (WEReference, 'we', InMode))
|
|
methods.append(f)
|
|
f = Method(OSErr, 'WERemoveTabHooks', (WEReference, 'we', InMode))
|
|
methods.append(f)
|
|
f = Method(Boolean, 'WEIsTabHooks', (WEReference, 'we', InMode))
|
|
methods.append(f)
|
|
f = Method(SInt16, 'WEGetTabSize', (WEReference, 'we', InMode))
|
|
methods.append(f)
|
|
f = Method(OSErr, 'WESetTabSize', (SInt16, 'tabWidth', InMode), (WEReference, 'we', InMode))
|
|
methods.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)
|
|
module.add(stdhand)
|
|
module.add(inshand)
|
|
for f in methods: object.add(f)
|
|
for f in methods2: object2.add(f)
|
|
|
|
# generate output (open the output file as late as possible)
|
|
SetOutputFileName(OUTPUTFILE)
|
|
module.generate()
|
|
|