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+# 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 = MODNAME # The prefix for module-wide routines
+OBJECTTYPE = "ListRef" # 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
+ListRef = OpaqueByValueType("ListRef", "ListObj")
+Cell = Point
+VarOutBufferShortsize = VarHeapOutputBufferType('char', 'short', 's') # (buf, &len)
+InBufferShortsize = VarInputBufferType('char', 'short', 's') # (buf, len)
+
+# For LUpdate, we alsways update the complete visible region.
+RgnHandle = FakeType("(*_self->ob_itself)->port->visRgn")
+
+
+includestuff = includestuff + """
+#include <%s>""" % MACHEADERFILE + """
+"""
+
+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(GlobalObjectDefinition):
+ def outputCheckNewArg(self):
+ Output("""if (itself == NULL) {
+ PyErr_SetString(List_Error,"Cannot create null List");
+ return NULL;
+ }""")
+ def outputFreeIt(self, itselfname):
+ Output("LDispose(%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 = FunctionGenerator
+Method = ListMethodGenerator
+
+# Create and populate the lists
+functions = []
+methods = []
+execfile(INPUTFILE)
+
+# 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()
+