4710c53dca
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
198 lines
7.6 KiB
Python
198 lines
7.6 KiB
Python
"""\
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Augment the "bgen" package with definitions that are useful on the Apple Macintosh.
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Intended usage is "from macsupport import *" -- this implies all bgen's goodies.
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"""
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# Import everything from bgen (for ourselves as well as for re-export)
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from bgen import *
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# Simple types
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Boolean = Type("Boolean", "b")
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SignedByte = Type("SignedByte", "b")
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Size = Type("Size", "l")
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Style = Type("Style", "b")
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StyleParameter = Type("StyleParameter", "h")
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CharParameter = Type("CharParameter", "h")
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TextEncoding = Type("TextEncoding", "l")
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ByteCount = Type("ByteCount", "l")
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Duration = Type("Duration", "l")
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ByteOffset = Type("ByteOffset", "l")
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OptionBits = Type("OptionBits", "l")
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ItemCount = Type("ItemCount", "l")
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PBVersion = Type("PBVersion", "l")
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ScriptCode = Type("ScriptCode", "h")
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LangCode = Type("LangCode", "h")
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RegionCode = Type("RegionCode", "h")
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UInt8 = Type("UInt8", "b")
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SInt8 = Type("SInt8", "b")
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UInt16 = Type("UInt16", "H")
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SInt16 = Type("SInt16", "h")
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UInt32 = Type("UInt32", "l")
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SInt32 = Type("SInt32", "l")
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Float32 = Type("Float32", "f")
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wide = OpaqueByValueType("wide", "PyMac_Buildwide", "PyMac_Getwide")
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wide_ptr = OpaqueType("wide", "PyMac_Buildwide", "PyMac_Getwide")
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# Pascal strings
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ConstStr255Param = OpaqueArrayType("Str255", "PyMac_BuildStr255", "PyMac_GetStr255")
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Str255 = OpaqueArrayType("Str255", "PyMac_BuildStr255", "PyMac_GetStr255")
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StringPtr = OpaqueByValueType("StringPtr", "PyMac_BuildStr255", "PyMac_GetStr255")
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ConstStringPtr = StringPtr
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# File System Specifications
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FSSpec_ptr = OpaqueType("FSSpec", "PyMac_BuildFSSpec", "PyMac_GetFSSpec")
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FSSpec = OpaqueByValueStructType("FSSpec", "PyMac_BuildFSSpec", "PyMac_GetFSSpec")
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FSRef_ptr = OpaqueType("FSRef", "PyMac_BuildFSRef", "PyMac_GetFSRef")
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FSRef = OpaqueByValueStructType("FSRef", "PyMac_BuildFSRef", "PyMac_GetFSRef")
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# OSType and ResType: 4-byte character strings
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def OSTypeType(typename):
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return OpaqueByValueType(typename, "PyMac_BuildOSType", "PyMac_GetOSType")
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OSType = OSTypeType("OSType")
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ResType = OSTypeType("ResType")
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FourCharCode = OSTypeType("FourCharCode")
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# Version numbers
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NumVersion = OpaqueByValueType("NumVersion", "PyMac_BuildNumVersion", "BUG")
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# Handles (always resources in our case)
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Handle = OpaqueByValueType("Handle", "ResObj")
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MenuHandle = OpaqueByValueType("MenuHandle", "MenuObj")
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MenuRef = MenuHandle
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ControlHandle = OpaqueByValueType("ControlHandle", "CtlObj")
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ControlRef = ControlHandle
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# Windows and Dialogs
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WindowPtr = OpaqueByValueType("WindowPtr", "WinObj")
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WindowRef = WindowPtr
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DialogPtr = OpaqueByValueType("DialogPtr", "DlgObj")
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DialogRef = DialogPtr
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ExistingWindowPtr = OpaqueByValueType("WindowPtr", "WinObj_WhichWindow", "BUG")
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ExistingDialogPtr = OpaqueByValueType("DialogPtr", "DlgObj_WhichDialog", "BUG")
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# NULL pointer passed in as optional storage -- not present in Python version
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NullStorage = FakeType("(void *)0")
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# More standard datatypes
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Fixed = OpaqueByValueType("Fixed", "PyMac_BuildFixed", "PyMac_GetFixed")
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# Quickdraw data types
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Rect = Rect_ptr = OpaqueType("Rect", "PyMac_BuildRect", "PyMac_GetRect")
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Point = OpaqueByValueType("Point", "PyMac_BuildPoint", "PyMac_GetPoint")
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Point_ptr = OpaqueType("Point", "PyMac_BuildPoint", "PyMac_GetPoint")
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# Event records
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EventRecord = OpaqueType("EventRecord", "PyMac_BuildEventRecord", "PyMac_GetEventRecord")
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EventRecord_ptr = EventRecord
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# CoreFoundation datatypes
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CFTypeRef = OpaqueByValueType("CFTypeRef", "CFTypeRefObj")
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CFStringRef = OpaqueByValueType("CFStringRef", "CFStringRefObj")
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CFMutableStringRef = OpaqueByValueType("CFMutableStringRef", "CFMutableStringRefObj")
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CFArrayRef = OpaqueByValueType("CFArrayRef", "CFArrayRefObj")
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CFMutableArrayRef = OpaqueByValueType("CFMutableArrayRef", "CFMutableArrayRefObj")
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CFDictionaryRef = OpaqueByValueType("CFDictionaryRef", "CFDictionaryRefObj")
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CFMutableDictionaryRef = OpaqueByValueType("CFMutableDictionaryRef", "CFMutableDictionaryRefObj")
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CFURLRef = OpaqueByValueType("CFURLRef", "CFURLRefObj")
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OptionalCFURLRef = OpaqueByValueType("CFURLRef", "OptionalCFURLRefObj")
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# OSErr is special because it is turned into an exception
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# (Could do this with less code using a variant of mkvalue("O&")?)
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class OSErrType(Type):
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def errorCheck(self, name):
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Output("if (%s != noErr) return PyMac_Error(%s);", name, name)
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self.used = 1
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OSErr = OSErrType("OSErr", 'h')
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OSStatus = OSErrType("OSStatus", 'l')
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# Various buffer types
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InBuffer = VarInputBufferType('char', 'long', 'l') # (buf, len)
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UcharInBuffer = VarInputBufferType('unsigned char', 'long', 'l') # (buf, len)
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OptionalInBuffer = OptionalVarInputBufferType('char', 'long', 'l') # (buf, len)
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InOutBuffer = HeapInputOutputBufferType('char', 'long', 'l') # (inbuf, outbuf, len)
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VarInOutBuffer = VarHeapInputOutputBufferType('char', 'long', 'l') # (inbuf, outbuf, &len)
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OutBuffer = HeapOutputBufferType('char', 'long', 'l') # (buf, len)
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VarOutBuffer = VarHeapOutputBufferType('char', 'long', 'l') # (buf, &len)
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VarVarOutBuffer = VarVarHeapOutputBufferType('char', 'long', 'l') # (buf, len, &len)
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# Unicode arguments sometimes have reversed len, buffer (don't understand why Apple did this...)
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class VarUnicodeInputBufferType(VarInputBufferType):
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def getargsFormat(self):
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return "u#"
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class VarUnicodeReverseInputBufferType(ReverseInputBufferMixin, VarUnicodeInputBufferType):
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pass
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UnicodeInBuffer = VarUnicodeInputBufferType('UniChar', 'UniCharCount', 'l')
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UnicodeReverseInBuffer = VarUnicodeReverseInputBufferType('UniChar', 'UniCharCount', 'l')
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UniChar_ptr = InputOnlyType("UniCharPtr", "u")
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# Predefine various pieces of program text to be passed to Module() later:
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# Stuff added immediately after the system include files
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includestuff = """
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#include "pymactoolbox.h"
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/* Macro to test whether a weak-loaded CFM function exists */
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#define PyMac_PRECHECK(rtn) do { if ( &rtn == NULL ) {\\
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PyErr_SetString(PyExc_NotImplementedError, \\
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"Not available in this shared library/OS version"); \\
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return NULL; \\
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}} while(0)
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"""
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# Stuff added just before the module's init function
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finalstuff = """
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"""
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# Stuff added inside the module's init function
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initstuff = """
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"""
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# Generator classes with a twist -- if the function returns OSErr,
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# its mode is manipulated so that it turns into an exception or disappears
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# (and its name is changed to _err, for documentation purposes).
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# This requires that the OSErr type (defined above) has a non-trivial
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# errorCheck method.
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class OSErrMixIn:
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"Mix-in class to treat OSErr/OSStatus return values special"
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def makereturnvar(self):
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if self.returntype.__class__ == OSErrType:
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return Variable(self.returntype, "_err", ErrorMode)
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else:
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return Variable(self.returntype, "_rv", OutMode)
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class OSErrFunctionGenerator(OSErrMixIn, FunctionGenerator): pass
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class OSErrMethodGenerator(OSErrMixIn, MethodGenerator): pass
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class WeakLinkMixIn:
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"Mix-in to test the function actually exists (!= NULL) before calling"
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def precheck(self):
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Output('#ifndef %s', self.name)
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Output('PyMac_PRECHECK(%s);', self.name)
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Output('#endif')
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class WeakLinkFunctionGenerator(WeakLinkMixIn, FunctionGenerator): pass
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class WeakLinkMethodGenerator(WeakLinkMixIn, MethodGenerator): pass
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class OSErrWeakLinkFunctionGenerator(OSErrMixIn, WeakLinkMixIn, FunctionGenerator): pass
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class OSErrWeakLinkMethodGenerator(OSErrMixIn, WeakLinkMixIn, MethodGenerator): pass
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class MacModule(Module):
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"Subclass which gets the exception initializer from macglue.c"
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def exceptionInitializer(self):
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return "PyMac_GetOSErrException()"
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