mirror of https://github.com/python/cpython
257 lines
8.1 KiB
Python
257 lines
8.1 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 = 'Lists.h' # The Apple header file
|
|
MODNAME = '_List' # The name of the module
|
|
OBJECTNAME = 'List' # The basic name of the objects used here
|
|
KIND = 'Handle' # Usually 'Ptr' or 'Handle'
|
|
|
|
# The following is *usually* unchanged but may still require tuning
|
|
MODPREFIX = 'List' # The prefix for module-wide routines
|
|
OBJECTTYPE = "ListHandle" # 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
|
|
ListHandle = OpaqueByValueType("ListHandle", "ListObj")
|
|
ListRef = ListHandle # Obsolete, but used in Lists.h
|
|
Cell = Point
|
|
ListBounds = Rect
|
|
ListBounds_ptr = Rect_ptr
|
|
|
|
ListDefSpec = ListDefSpec_ptr = OpaqueType("ListDefSpec", "PyMac_BuildListDefSpec", "PyMac_GetListDefSpec")
|
|
|
|
VarOutBufferShortsize = VarHeapOutputBufferType('char', 'short', 's') # (buf, &len)
|
|
InBufferShortsize = VarInputBufferType('char', 'short', 's') # (buf, len)
|
|
|
|
RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
|
|
DataHandle = OpaqueByValueType("DataHandle", "ResObj")
|
|
Handle = OpaqueByValueType("Handle", "ResObj")
|
|
CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
|
|
EventModifiers = Type("EventModifiers", "H")
|
|
|
|
includestuff = includestuff + """
|
|
#include <Carbon/Carbon.h>
|
|
|
|
#ifdef USE_TOOLBOX_OBJECT_GLUE
|
|
extern PyObject *_ListObj_New(ListHandle);
|
|
extern int _ListObj_Convert(PyObject *, ListHandle *);
|
|
|
|
#define ListObj_New _ListObj_New
|
|
#define ListObj_Convert _ListObj_Convert
|
|
#endif
|
|
|
|
#define as_List(x) ((ListHandle)x)
|
|
#define as_Resource(lh) ((Handle)lh)
|
|
|
|
static ListDefUPP myListDefFunctionUPP;
|
|
|
|
"""
|
|
|
|
initstuff = initstuff + """
|
|
myListDefFunctionUPP = NewListDefUPP((ListDefProcPtr)myListDefFunction);
|
|
|
|
PyMac_INIT_TOOLBOX_OBJECT_NEW(ListHandle, ListObj_New);
|
|
PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ListHandle, ListObj_Convert);
|
|
"""
|
|
|
|
class ListMethodGenerator(MethodGenerator):
|
|
"""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 MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
|
|
# XXXX Should inherit from Resource
|
|
getsetlist = [(
|
|
'listFlags',
|
|
'return Py_BuildValue("l", (long)GetListFlags(self->ob_itself) & 0xff);',
|
|
'if (!PyArg_Parse(v, "B", &(*self->ob_itself)->listFlags)) return -1;',
|
|
None,
|
|
), (
|
|
'selFlags',
|
|
'return Py_BuildValue("l", (long)GetListSelectionFlags(self->ob_itself) & 0xff);',
|
|
'if (!PyArg_Parse(v, "B", &(*self->ob_itself)->selFlags)) return -1;',
|
|
None,
|
|
), (
|
|
'cellSize',
|
|
'return Py_BuildValue("O&", PyMac_BuildPoint, (*self->ob_itself)->cellSize);',
|
|
'if (!PyArg_Parse(v, "O&", PyMac_GetPoint, &(*self->ob_itself)->cellSize)) return -1;',
|
|
None
|
|
)]
|
|
|
|
def outputStructMembers(self):
|
|
ObjectDefinition.outputStructMembers(self)
|
|
Output("PyObject *ob_ldef_func;")
|
|
Output("int ob_must_be_disposed;")
|
|
|
|
def outputCheckNewArg(self):
|
|
Output("""if (itself == NULL) {
|
|
PyErr_SetString(List_Error,"Cannot create null List");
|
|
return NULL;
|
|
}""")
|
|
|
|
def outputInitStructMembers(self):
|
|
ObjectDefinition.outputInitStructMembers(self)
|
|
Output("it->ob_ldef_func = NULL;")
|
|
Output("it->ob_must_be_disposed = 1;")
|
|
Output("SetListRefCon(itself, (long)it);")
|
|
|
|
def outputFreeIt(self, itselfname):
|
|
Output("Py_XDECREF(self->ob_ldef_func);")
|
|
Output("self->ob_ldef_func = NULL;")
|
|
Output("SetListRefCon(self->ob_itself, (long)0);")
|
|
Output("if (self->ob_must_be_disposed && %s) LDispose(%s);", itselfname, itselfname)
|
|
|
|
# From here on it's basically all boiler plate...
|
|
|
|
finalstuff = finalstuff + """
|
|
static void myListDefFunction(SInt16 message,
|
|
Boolean selected,
|
|
Rect *cellRect,
|
|
Cell theCell,
|
|
SInt16 dataOffset,
|
|
SInt16 dataLen,
|
|
ListHandle theList)
|
|
{
|
|
PyObject *listDefFunc, *args, *rv=NULL;
|
|
ListObject *self;
|
|
|
|
self = (ListObject*)GetListRefCon(theList);
|
|
if (self == NULL || self->ob_itself != theList)
|
|
return; /* nothing we can do */
|
|
listDefFunc = self->ob_ldef_func;
|
|
if (listDefFunc == NULL)
|
|
return; /* nothing we can do */
|
|
args = Py_BuildValue("hbO&O&hhO", message,
|
|
selected,
|
|
PyMac_BuildRect, cellRect,
|
|
PyMac_BuildPoint, theCell,
|
|
dataOffset,
|
|
dataLen,
|
|
self);
|
|
if (args != NULL) {
|
|
rv = PyEval_CallObject(listDefFunc, args);
|
|
Py_DECREF(args);
|
|
}
|
|
if (rv == NULL) {
|
|
PySys_WriteStderr("error in list definition callback:\\n");
|
|
PyErr_Print();
|
|
} else {
|
|
Py_DECREF(rv);
|
|
}
|
|
}
|
|
"""
|
|
|
|
# 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 = FunctionGenerator
|
|
Method = ListMethodGenerator
|
|
|
|
# Create and populate the lists
|
|
functions = []
|
|
methods = []
|
|
execfile(INPUTFILE)
|
|
|
|
# Function to convert any handle to a list and vv.
|
|
##f = Function(ListHandle, 'as_List', (Handle, 'h', InMode))
|
|
as_List_body = """
|
|
Handle h;
|
|
ListObject *l;
|
|
if (!PyArg_ParseTuple(_args, "O&", ResObj_Convert, &h))
|
|
return NULL;
|
|
l = (ListObject *)ListObj_New(as_List(h));
|
|
l->ob_must_be_disposed = 0;
|
|
_res = Py_BuildValue("O", l);
|
|
return _res;
|
|
"""
|
|
f = ManualGenerator("as_List", as_List_body)
|
|
f.docstring = lambda: "(Resource)->List.\nReturns List object (which is not auto-freed!)"
|
|
functions.append(f)
|
|
|
|
f = Method(Handle, 'as_Resource', (ListHandle, 'lh', InMode))
|
|
methods.append(f)
|
|
|
|
# Manual generator for CreateCustomList, due to callback ideosyncracies
|
|
CreateCustomList_body = """\
|
|
Rect rView;
|
|
Rect dataBounds;
|
|
Point cellSize;
|
|
|
|
PyObject *listDefFunc;
|
|
ListDefSpec theSpec;
|
|
WindowPtr theWindow;
|
|
Boolean drawIt;
|
|
Boolean hasGrow;
|
|
Boolean scrollHoriz;
|
|
Boolean scrollVert;
|
|
ListHandle outList;
|
|
|
|
if (!PyArg_ParseTuple(_args, "O&O&O&(iO)O&bbbb",
|
|
PyMac_GetRect, &rView,
|
|
PyMac_GetRect, &dataBounds,
|
|
PyMac_GetPoint, &cellSize,
|
|
&theSpec.defType, &listDefFunc,
|
|
WinObj_Convert, &theWindow,
|
|
&drawIt,
|
|
&hasGrow,
|
|
&scrollHoriz,
|
|
&scrollVert))
|
|
return NULL;
|
|
|
|
|
|
/* Carbon applications use the CreateCustomList API */
|
|
theSpec.u.userProc = myListDefFunctionUPP;
|
|
CreateCustomList(&rView,
|
|
&dataBounds,
|
|
cellSize,
|
|
&theSpec,
|
|
theWindow,
|
|
drawIt,
|
|
hasGrow,
|
|
scrollHoriz,
|
|
scrollVert,
|
|
&outList);
|
|
|
|
|
|
_res = ListObj_New(outList);
|
|
if (_res == NULL)
|
|
return NULL;
|
|
Py_INCREF(listDefFunc);
|
|
((ListObject*)_res)->ob_ldef_func = listDefFunc;
|
|
return _res;\
|
|
"""
|
|
|
|
f = ManualGenerator("CreateCustomList", CreateCustomList_body);
|
|
f.docstring = lambda: "(Rect rView, Rect dataBounds, Point cellSize, ListDefSpec theSpec, WindowPtr theWindow, Boolean drawIt, Boolean hasGrow, Boolean scrollHoriz, Boolean scrollVert) -> (ListHandle outList)"
|
|
module.add(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()
|
|
|