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Update for PEP 393.

This commit is contained in:
Martin v. Löwis 2011-09-28 08:35:25 +02:00
parent d63a3b8beb
commit 24fa9832be
1 changed files with 25 additions and 12 deletions
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37
Tools/gdb/libpython.py
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@ -50,6 +50,8 @@ _type_char_ptr = gdb.lookup_type('char').pointer() # char*
_type_unsigned_char_ptr = gdb.lookup_type('unsigned char').pointer() # unsigned char*
_type_void_ptr = gdb.lookup_type('void').pointer() # void*
_type_size_t = gdb.lookup_type('size_t')
_type_unsigned_short_ptr = gdb.lookup_type('unsigned short').pointer()
_type_unsigned_int_ptr = gdb.lookup_type('unsigned int').pointer()
_is_pep393 = 'data' in [f.name for f in gdb.lookup_type('PyUnicodeObject').target().fields()]
@ -1124,25 +1126,36 @@ class PyUnicodeObjectPtr(PyObjectPtr):
# From unicodeobject.h:
# Py_ssize_t length; /* Length of raw Unicode data in buffer */
# Py_UNICODE *str; /* Raw Unicode buffer */
field_length = long(self.field('length'))
if _is_pep393:
# Python 3.3 and newer
may_have_surrogates = False
field_state = long(self.field('state'))
repr_kind = (field_state & 0xC) >> 2
if repr_kind == 0:
compact = self.field('_base')
ascii = compact['_base']
state = ascii['state']
field_length = long(ascii['length'])
if not int(state['ready']):
# string is not ready
may_have_surrogates = True
field_str = self.field('wstr')
field_length = self.field('wstr_length')
elif repr_kind == 1:
field_str = self.field('data')['latin1']
elif repr_kind == 2:
field_str = self.field('data')['ucs2']
elif repr_kind == 3:
field_str = self.field('data')['ucs4']
field_str = ascii['wstr']
if not int(state['ascii']):
field_length = compact('wstr_length')
else:
if int(state['ascii']):
field_str = ascii.address + 1
elif int(state['compact']):
field_str = compact.address + 1
else:
field_str = self.field('data')['any']
repr_kind = int(state['kind'])
if repr_kind == 1:
field_str = field_str.cast(_type_unsigned_char_ptr)
elif repr_kind == 2:
field_str = field_str.cast(_type_unsigned_short_ptr)
elif repr_kind == 3:
field_str = field_str.cast(_type_unsigned_int_ptr)
else:
# Python 3.2 and earlier
field_length = long(self.field('length'))
field_str = self.field('str')
may_have_surrogates = self.char_width() == 2