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Diffstat (limited to 'Mac/Modules/qd/qdsupport.py')
-rw-r--r-- | Mac/Modules/qd/qdsupport.py | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Mac/Modules/qd/qdsupport.py b/Mac/Modules/qd/qdsupport.py new file mode 100644 index 0000000..e98b27a --- /dev/null +++ b/Mac/Modules/qd/qdsupport.py @@ -0,0 +1,72 @@ +# 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 = '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 + +includestuff = includestuff + """ +#include <%s>""" % MACHEADERFILE + """ +#include <Desk.h> + +#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */ +""" + +class MyObjectDefinition(GlobalObjectDefinition): + def outputCheckNewArg(self): + Output("if (itself == NULL) return PyMac_Error(resNotFound);") + 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("DisposeWindow(%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 = 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 methods: object.add(f) + +# generate output (open the output file as late as possible) +SetOutputFileName(OUTPUTFILE) +module.generate() +SetOutputFile() # Close it |