1b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# This script generates a Python interface for an Apple Macintosh Manager. 2b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# It uses the "bgen" package to generate C code. 3b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# The function specifications are generated by scanning the mamager's header file, 4b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# using the "scantools" package (customized for this particular manager). 5b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 6b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenimport string 7b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 8b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# Declarations that change for each manager 9182b5aca27d376b08a2904bed42b751496f932f3Tim PetersMACHEADERFILE = 'Components.h' # The Apple header file 10182b5aca27d376b08a2904bed42b751496f932f3Tim PetersMODNAME = '_Cm' # The name of the module 11b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 12b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# The following is *usually* unchanged but may still require tuning 13182b5aca27d376b08a2904bed42b751496f932f3Tim PetersMODPREFIX = 'Cm' # The prefix for module-wide routines 14182b5aca27d376b08a2904bed42b751496f932f3Tim PetersC_OBJECTPREFIX = 'CmpObj' # The prefix for object methods 15b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenCI_OBJECTPREFIX = 'CmpInstObj' 16b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenINPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner 17182b5aca27d376b08a2904bed42b751496f932f3Tim PetersOUTPUTFILE = MODNAME + "module.c" # The file generated by this program 18b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 19b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenfrom macsupport import * 20b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 21b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# Create the type objects 22b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 23b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenincludestuff = includestuff + """ 24fa77e1a1b1ec479600a0f3a1dbc3faf28140d31fJack Jansen#include <Carbon/Carbon.h> 25fa77e1a1b1ec479600a0f3a1dbc3faf28140d31fJack Jansen 260e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen#ifdef USE_TOOLBOX_OBJECT_GLUE 270e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansenextern PyObject *_CmpObj_New(Component); 280e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansenextern int _CmpObj_Convert(PyObject *, Component *); 290e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansenextern PyObject *_CmpInstObj_New(ComponentInstance); 300e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansenextern int _CmpInstObj_Convert(PyObject *, ComponentInstance *); 310e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen 320e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen#define CmpObj_New _CmpObj_New 330e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen#define CmpObj_Convert _CmpObj_Convert 340e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen#define CmpInstObj_New _CmpInstObj_New 350e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen#define CmpInstObj_Convert _CmpInstObj_Convert 360e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen#endif 37b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 38b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen/* 39b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen** Parse/generate ComponentDescriptor records 40b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen*/ 419d8b96c8507644811ba92ead8f131060aafac19fJack Jansenstatic PyObject * 42fa77e1a1b1ec479600a0f3a1dbc3faf28140d31fJack JansenCmpDesc_New(ComponentDescription *itself) 43b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen{ 44b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 45182b5aca27d376b08a2904bed42b751496f932f3Tim Peters return Py_BuildValue("O&O&O&ll", 46182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_BuildOSType, itself->componentType, 47182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_BuildOSType, itself->componentSubType, 48182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_BuildOSType, itself->componentManufacturer, 49182b5aca27d376b08a2904bed42b751496f932f3Tim Peters itself->componentFlags, itself->componentFlagsMask); 50b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen} 51b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 529d8b96c8507644811ba92ead8f131060aafac19fJack Jansenstatic int 53fa77e1a1b1ec479600a0f3a1dbc3faf28140d31fJack JansenCmpDesc_Convert(PyObject *v, ComponentDescription *p_itself) 54b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen{ 55182b5aca27d376b08a2904bed42b751496f932f3Tim Peters return PyArg_ParseTuple(v, "O&O&O&ll", 56182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_GetOSType, &p_itself->componentType, 57182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_GetOSType, &p_itself->componentSubType, 58182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_GetOSType, &p_itself->componentManufacturer, 59182b5aca27d376b08a2904bed42b751496f932f3Tim Peters &p_itself->componentFlags, &p_itself->componentFlagsMask); 60b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen} 61b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 62b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen""" 63b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 640e04eecdbf8467cf3fe055e41e96fa48507b998cJack Janseninitstuff = initstuff + """ 65182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_INIT_TOOLBOX_OBJECT_NEW(Component, CmpObj_New); 66182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_INIT_TOOLBOX_OBJECT_CONVERT(Component, CmpObj_Convert); 67182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_INIT_TOOLBOX_OBJECT_NEW(ComponentInstance, CmpInstObj_New); 68182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ComponentInstance, CmpInstObj_Convert); 690e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen""" 700e04eecdbf8467cf3fe055e41e96fa48507b998cJack Jansen 71b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenComponentDescription = OpaqueType('ComponentDescription', 'CmpDesc') 72b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenComponent = OpaqueByValueType('Component', C_OBJECTPREFIX) 73b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenComponentInstance = OpaqueByValueType('ComponentInstance', CI_OBJECTPREFIX) 74b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenComponentResult = Type("ComponentResult", "l") 75b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 76b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenComponentResourceHandle = OpaqueByValueType("ComponentResourceHandle", "ResObj") 77b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 7896cebde909bbb8034af576d8f31f465bbad90374Jack Jansenclass MyCIObjectDefinition(PEP253Mixin, GlobalObjectDefinition): 79182b5aca27d376b08a2904bed42b751496f932f3Tim Peters def outputCheckNewArg(self): 80182b5aca27d376b08a2904bed42b751496f932f3Tim Peters Output("""if (itself == NULL) { 81182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyErr_SetString(Cm_Error,"NULL ComponentInstance"); 82182b5aca27d376b08a2904bed42b751496f932f3Tim Peters return NULL; 83182b5aca27d376b08a2904bed42b751496f932f3Tim Peters }""") 84b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 8596cebde909bbb8034af576d8f31f465bbad90374Jack Jansenclass MyCObjectDefinition(PEP253Mixin, GlobalObjectDefinition): 86182b5aca27d376b08a2904bed42b751496f932f3Tim Peters def outputCheckNewArg(self): 87182b5aca27d376b08a2904bed42b751496f932f3Tim Peters Output("""if (itself == NULL) { 88182b5aca27d376b08a2904bed42b751496f932f3Tim Peters /* XXXX Or should we return None? */ 89182b5aca27d376b08a2904bed42b751496f932f3Tim Peters PyErr_SetString(Cm_Error,"No such component"); 90182b5aca27d376b08a2904bed42b751496f932f3Tim Peters return NULL; 91182b5aca27d376b08a2904bed42b751496f932f3Tim Peters }""") 92182b5aca27d376b08a2904bed42b751496f932f3Tim Peters 93182b5aca27d376b08a2904bed42b751496f932f3Tim Peters def outputCheckConvertArg(self): 94182b5aca27d376b08a2904bed42b751496f932f3Tim Peters Output("""if ( v == Py_None ) { 95182b5aca27d376b08a2904bed42b751496f932f3Tim Peters *p_itself = 0; 96182b5aca27d376b08a2904bed42b751496f932f3Tim Peters return 1; 97182b5aca27d376b08a2904bed42b751496f932f3Tim Peters }""") 98b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 99b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# Create the generator groups and link them 100b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenmodule = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff) 101b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenci_object = MyCIObjectDefinition('ComponentInstance', CI_OBJECTPREFIX, 102182b5aca27d376b08a2904bed42b751496f932f3Tim Peters 'ComponentInstance') 103b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenc_object = MyCObjectDefinition('Component', C_OBJECTPREFIX, 'Component') 104b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenmodule.addobject(ci_object) 105b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenmodule.addobject(c_object) 106b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 107b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# Create the generator classes used to populate the lists 108714d7268d5dcd9233bb8b3580cd9bce5a5a9fc50Jack JansenFunction = OSErrWeakLinkFunctionGenerator 109714d7268d5dcd9233bb8b3580cd9bce5a5a9fc50Jack JansenMethod = OSErrWeakLinkMethodGenerator 110b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 111b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# Create and populate the lists 112b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenfunctions = [] 113b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenc_methods = [] 114b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenci_methods = [] 115b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenexecfile(INPUTFILE) 116b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 117b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# add the populated lists to the generator groups 118b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# (in a different wordl the scan program would generate this) 119b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenfor f in functions: module.add(f) 120b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenfor f in c_methods: c_object.add(f) 121b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenfor f in ci_methods: ci_object.add(f) 122b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen 123b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansen# generate output (open the output file as late as possible) 124b996856d12ac43ea6c1cb3697083f5d331de8e15Jack JansenSetOutputFileName(OUTPUTFILE) 125b996856d12ac43ea6c1cb3697083f5d331de8e15Jack Jansenmodule.generate() 126