mirror of https://github.com/python/cpython
136 lines
3.9 KiB
Python
136 lines
3.9 KiB
Python
# Scan an Apple header file, generating a Python file of generator calls.
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import sys
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import os
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BGENDIR=os.path.join(sys.prefix, ':Tools:bgen:bgen')
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sys.path.append(BGENDIR)
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from scantools import Scanner_OSX
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from bgenlocations import TOOLBOXDIR
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LONG = "CoreFoundation"
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SHORT = "cf"
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OBJECTS = ("CFTypeRef",
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"CFArrayRef", "CFMutableArrayRef",
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"CFDataRef", "CFMutableDataRef",
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"CFDictionaryRef", "CFMutableDictionaryRef",
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"CFStringRef", "CFMutableStringRef",
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"CFURLRef",
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)
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# ADD object typenames here
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def main():
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input = [
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"CFBase.h",
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"CFArray.h",
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## "CFBag.h",
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## "CFBundle.h",
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## "CFCharacterSet.h",
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"CFData.h",
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## "CFDate.h",
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"CFDictionary.h",
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## "CFNumber.h",
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## "CFPlugIn.h",
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## "CFPreferences.h",
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## "CFPropertyList.h",
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## "CFSet.h",
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"CFString.h",
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## "CFStringEncodingExt.h",
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## "CFTimeZone.h",
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"CFURL.h",
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]
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output = SHORT + "gen.py"
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defsoutput = TOOLBOXDIR + LONG + ".py"
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scanner = MyScanner(input, output, defsoutput)
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scanner.scan()
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scanner.gentypetest(SHORT+"typetest.py")
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scanner.close()
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print "=== Done scanning and generating, now importing the generated code... ==="
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exec "import " + SHORT + "support"
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print "=== Done. It's up to you to compile it now! ==="
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class MyScanner(Scanner_OSX):
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def destination(self, type, name, arglist):
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classname = "Function"
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listname = "functions"
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if arglist:
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t, n, m = arglist[0]
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if t in OBJECTS and m == "InMode":
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classname = "Method"
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listname = t + "_methods"
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# Special case for the silly first AllocatorRef argument
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if t == 'CFAllocatorRef' and m == 'InMode' and len(arglist) > 1:
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t, n, m = arglist[1]
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if t in OBJECTS and m == "InMode":
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classname = "MethodSkipArg1"
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listname = t + "_methods"
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return classname, listname
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def writeinitialdefs(self):
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self.defsfile.write("def FOUR_CHAR_CODE(x): return x\n")
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def makeblacklistnames(self):
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return [
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# Memory allocator functions
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"CFAllocatorGetDefault",
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"CFAllocatorSetDefault",
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"CFAllocatorAllocate",
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"CFAllocatorReallocate",
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"CFAllocatorDeallocate",
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"CFGetAllocator",
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# Array functions we skip for now.
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"CFArrayGetValueAtIndex",
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# Data pointer functions. Skip for now.
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"CFDataGetBytePtr",
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"CFDataGetMutableBytePtr",
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"CFDataGetBytes", # XXXX Should support this one
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# String functions
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"CFStringGetPascalString", # Use the C-string methods.
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"CFStringGetPascalStringPtr", # TBD automatically
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"CFStringGetCStringPtr",
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"CFStringGetCharactersPtr",
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"CFStringGetCString",
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"CFStringGetCharacters",
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"CFURLCreateStringWithFileSystemPath", # Gone in later releases
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"CFStringCreateMutableWithExternalCharactersNoCopy", # Not a clue...
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"CFStringSetExternalCharactersNoCopy",
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"CFStringGetCharacterAtIndex", # No format for single unichars yet.
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]
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def makegreylist(self):
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return []
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def makeblacklisttypes(self):
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return [
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"CFComparatorFunction", # Callback function pointer
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"CFAllocatorContext", # Not interested in providing our own allocator
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"void_ptr_ptr", # Tricky. This is the initializer for arrays...
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"void_ptr", # Ditto for various array lookup methods
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"CFArrayApplierFunction", # Callback function pointer
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"CFDictionaryApplierFunction", # Callback function pointer
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"va_list", # For printf-to-a-cfstring. Use Python.
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"const_CFStringEncoding_ptr", # To be done, I guess
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]
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def makerepairinstructions(self):
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return [
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# Buffers in CF seem to be passed as UInt8 * normally.
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([("UInt8_ptr", "*", "InMode"), ("CFIndex", "*", "InMode")],
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[("UcharInBuffer", "*", "*")]),
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([("UniChar_ptr", "*", "InMode"), ("CFIndex", "*", "InMode")],
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[("UnicodeInBuffer", "*", "*")]),
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# Some functions return a const char *. Don't worry, we won't modify it.
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([("const_char_ptr", "*", "ReturnMode")],
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[("return_stringptr", "*", "*")]),
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# base URLs are optional (pass None for NULL)
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([("CFURLRef", "baseURL", "InMode")],
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[("OptionalCFURLRef", "*", "*")]),
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]
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if __name__ == "__main__":
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main()
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