Committed a more or less working version.

Mac/Modules/ctl/ctlsupport.py

@@ -0,0 +1,86 @@
+# 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 = 'Controls.h'		# The Apple header file
+MODNAME = 'Ctl'				# The name of the module
+OBJECTNAME = 'Control'			# 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 + 'Handle'	# 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
+
+ControlHandle = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
+ExistingControlHandle = OpaqueByValueType(OBJECTTYPE, "CtlObj_WhichControl", "BUG")
+
+RgnHandle = FakeType("theWindow->visRgn") # XXX
+
+includestuff = includestuff + """
+#include <%s>""" % MACHEADERFILE + """
+
+#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
+
+extern PyObject *CtlObj_WhichControl(ControlHandle); /* Forward */
+
+#ifdef THINK_C
+#define  ControlActionUPP ProcPtr
+#endif
+"""
+
+finalstuff = finalstuff + """
+PyObject *
+CtlObj_WhichControl(ControlHandle c)
+{
+	PyObject *it;
+	
+	/* XXX What if we find a control belonging to some other package? */
+	if (c == NULL)
+		it = NULL;
+	else
+		it = (PyObject *) GetCRefCon(c);
+	if (it == NULL || ((ControlObject *)it)->ob_itself != c)
+		it = Py_None;
+	Py_INCREF(it);
+	return it;
+}
+"""
+
+class MyObjectDefinition(GlobalObjectDefinition):
+	def outputCheckNewArg(self):
+		Output("if (itself == NULL) return PyMac_Error(resNotFound);")
+	def outputInitStructMembers(self):
+		GlobalObjectDefinition.outputInitStructMembers(self)
+		Output("SetCRefCon(itself, (long)it);")
+
+# 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)
+
+# add the populated lists to the generator groups
+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()