Author: fijal
Branch: unicode-utf8
Changeset: r92623:ecf3b7cd79eb
Date: 2017-10-06 12:14 +0200
http://bitbucket.org/pypy/pypy/changeset/ecf3b7cd79eb/
Log: whack whack whack until we get to the point of getitem working
diff --git a/TODO b/TODO
--- a/TODO
+++ b/TODO
@@ -1,2 +1,3 @@
* unskip tests in test_unicodeobject.py
-* rutf8.prev_codepoint_pos should use r_uint
\ No newline at end of file
+* rutf8.prev_codepoint_pos should use r_uint
+* elidable in rutf8.check_utf8, WTF is wrong with that
\ No newline at end of file
diff --git a/pypy/interpreter/unicodehelper.py
b/pypy/interpreter/unicodehelper.py
--- a/pypy/interpreter/unicodehelper.py
+++ b/pypy/interpreter/unicodehelper.py
@@ -126,8 +126,7 @@
self.orig = handler
def handle(self, errors, encoding, msg, s, pos, endpos):
- s, p = self.orig(errors, encoding, msg, s, pos, endpos)
- return s.decode("utf8"), p
+ return self.orig(errors, encoding, msg, s, pos, endpos)
class EncodeWrapper(object):
def __init__(self, handler):
@@ -145,7 +144,8 @@
def str_decode_unicode_escape(s, slen, errors, final, errorhandler,
ud_handler):
w = DecodeWrapper(errorhandler)
- u, pos = runicode.str_decode_unicode_escape(s, slen, errors, final,
w.handle,
+ u, pos = runicode.str_decode_unicode_escape(s, slen, errors, final,
+ w.handle,
ud_handler)
return u.encode('utf8'), pos, len(u)
@@ -159,7 +159,7 @@
return getattr(runicode, encoder_call_name)(u, len(u), errors,
w.handle)
def decoder(s, slen, errors, final, errorhandler):
- w = DecodeWrapper(errorhandler)
+ w = DecodeWrapper((errorhandler))
u, pos = getattr(runicode, decoder_name)(s, slen, errors, final,
w.handle)
return u.encode('utf8'), pos, len(u)
encoder.__name__ = encoder_name
diff --git a/pypy/module/_codecs/interp_codecs.py
b/pypy/module/_codecs/interp_codecs.py
--- a/pypy/module/_codecs/interp_codecs.py
+++ b/pypy/module/_codecs/interp_codecs.py
@@ -66,7 +66,7 @@
"position %d from error handler out of bounds",
newpos)
w_replace = space.convert_to_w_unicode(w_replace)
- return w_replace._utf8, newpos
+ return w_replace._utf8.decode('utf8'), newpos
return call_errorhandler
def make_decode_errorhandler(self, space):
diff --git a/pypy/objspace/std/unicodeobject.py
b/pypy/objspace/std/unicodeobject.py
--- a/pypy/objspace/std/unicodeobject.py
+++ b/pypy/objspace/std/unicodeobject.py
@@ -38,8 +38,8 @@
self._utf8 = utf8str
self._length = length
self._index_storage = rutf8.null_storage()
- if not we_are_translated():
- assert rutf8.check_utf8(utf8str, allow_surrogates=True) == length
+ #if not we_are_translated():
+ # assert rutf8.check_utf8(utf8str, allow_surrogates=True) == length
def __repr__(self):
"""representation for debugging purposes"""
diff --git a/rpython/jit/codewriter/effectinfo.py
b/rpython/jit/codewriter/effectinfo.py
--- a/rpython/jit/codewriter/effectinfo.py
+++ b/rpython/jit/codewriter/effectinfo.py
@@ -6,6 +6,10 @@
from rpython.tool.algo import bitstring
+class UnsupportedFieldExc(Exception):
+ pass
+
+
class EffectInfo(object):
_cache = {}
@@ -313,7 +317,10 @@
return
if getattr(T.OF, fieldname) is lltype.Void:
return
- descr = cpu.interiorfielddescrof(T, fieldname)
+ try:
+ descr = cpu.interiorfielddescrof(T, fieldname)
+ except UnsupportedFieldExc:
+ return
descrs_interiorfields.append(descr)
# a read or a write to an interiorfield, inside an array of
diff --git a/rpython/jit/codewriter/heaptracker.py
b/rpython/jit/codewriter/heaptracker.py
--- a/rpython/jit/codewriter/heaptracker.py
+++ b/rpython/jit/codewriter/heaptracker.py
@@ -94,6 +94,7 @@
def all_interiorfielddescrs(gccache, ARRAY, get_field_descr=None):
from rpython.jit.backend.llsupport import descr
+ from rpython.jit.codewriter.effectinfo import UnsupportedFieldExc
if get_field_descr is None:
get_field_descr = descr.get_field_descr
@@ -107,7 +108,7 @@
if name == 'typeptr':
continue # dealt otherwise
elif isinstance(FIELD, lltype.Struct):
- raise Exception("unexpected array(struct(struct))")
+ raise UnsupportedFieldExc("unexpected array(struct(struct))")
res.append(get_field_descr(gccache, ARRAY, name))
return res
diff --git a/rpython/rlib/runicode.py b/rpython/rlib/runicode.py
--- a/rpython/rlib/runicode.py
+++ b/rpython/rlib/runicode.py
@@ -94,18 +94,20 @@
def default_unicode_error_decode(errors, encoding, msg, s,
startingpos, endingpos):
+ assert endingpos >= 0
if errors == 'replace':
- return u'\ufffd'.encode('utf8'), endingpos
+ return u'\ufffd', endingpos
if errors == 'ignore':
- return '', endingpos
+ return u'', endingpos
raise UnicodeDecodeError(encoding, s, startingpos, endingpos, msg)
def default_unicode_error_encode(errors, encoding, msg, u,
startingpos, endingpos):
+ assert endingpos >= 0
if errors == 'replace':
- return '?', None, endingpos
+ return u'?', None, endingpos
if errors == 'ignore':
- return '', None, endingpos
+ return u'', None, endingpos
raise UnicodeEncodeError(encoding, u, startingpos, endingpos, msg)
# ____________________________________________________________
diff --git a/rpython/rlib/rutf8.py b/rpython/rlib/rutf8.py
--- a/rpython/rlib/rutf8.py
+++ b/rpython/rlib/rutf8.py
@@ -191,7 +191,7 @@
def __init__(self, pos):
self.pos = pos
[email protected]
+#@jit.elidable
def check_ascii(s):
for i in range(len(s)):
if ord(s[i]) > 0x7F:
@@ -289,12 +289,14 @@
(ordch1 == 0xf4 and ordch2 > 0x8f))
[email protected]
+#@jit.elidable
def check_utf8(s, allow_surrogates=False):
"""Check that 's' is a utf-8-encoded byte string.
Returns the length (number of chars) or raise CheckError.
Note that surrogates are not handled specially here.
"""
+ import pdb
+ pdb.set_trace()
pos = 0
continuation_bytes = 0
while pos < len(s):
@@ -416,6 +418,7 @@
break
return storage
[email protected]_look_inside
def codepoint_position_at_index(utf8, storage, index):
""" Return byte index of a character inside utf8 encoded string, given
storage of type UTF8_INDEX_STORAGE. The index must be smaller than
@@ -436,6 +439,7 @@
else:
return next_codepoint_pos(utf8, next_codepoint_pos(utf8, bytepos))
[email protected]_look_inside
def codepoint_at_index(utf8, storage, index):
""" Return codepoint of a character inside utf8 encoded string, given
storage of type UTF8_INDEX_STORAGE
diff --git a/rpython/rtyper/rstr.py b/rpython/rtyper/rstr.py
--- a/rpython/rtyper/rstr.py
+++ b/rpython/rtyper/rstr.py
@@ -8,7 +8,88 @@
from rpython.rtyper.rint import IntegerRepr
from rpython.rtyper.rfloat import FloatRepr
from rpython.tool.pairtype import pairtype, pair
-from rpython.tool.sourcetools import func_with_new_name
+
+def str_decode_utf8(s):
+ from rpython.rlib.rstring import UnicodeBuilder
+ from rpython.rlib import runicode
+
+ size = len(s)
+ if size == 0:
+ return u''
+
+ result = UnicodeBuilder(size)
+ pos = 0
+ while pos < size:
+ ordch1 = ord(s[pos])
+ # fast path for ASCII
+ # XXX maybe use a while loop here
+ if ordch1 < 0x80:
+ result.append(unichr(ordch1))
+ pos += 1
+ continue
+
+ n = ord(runicode._utf8_code_length[ordch1 - 0x80])
+ if pos + n > size:
+ raise UnicodeDecodeError('utf8', s, pos, pos + 1,
+ 'whatever')
+ if n == 0:
+ raise UnicodeDecodeError('utf8', s, pos, pos + 1,
+ 'whatever')
+ elif n == 1:
+ assert 0, "ascii should have gone through the fast path"
+
+ elif n == 2:
+ ordch2 = ord(s[pos+1])
+ if runicode._invalid_byte_2_of_2(ordch2):
+
+ raise UnicodeDecodeError('utf8', s, pos, pos + 1,
+ 'whatever')
+ # 110yyyyy 10zzzzzz -> 00000000 00000yyy yyzzzzzz
+ result.append(unichr(((ordch1 & 0x1F) << 6) + # 0b00011111
+ (ordch2 & 0x3F))) # 0b00111111
+ pos += 2
+
+ elif n == 3:
+ ordch2 = ord(s[pos+1])
+ ordch3 = ord(s[pos+2])
+ if (runicode._invalid_byte_2_of_3(ordch1, ordch2, True) or
+ runicode._invalid_byte_3_of_3(ordch3)):
+ raise UnicodeDecodeError('utf8', s, pos, pos + 1,
+ 'whatever')
+ # 1110xxxx 10yyyyyy 10zzzzzz -> 00000000 xxxxyyyy yyzzzzzz
+ result.append(unichr(((ordch1 & 0x0F) << 12) + # 0b00001111
+ ((ordch2 & 0x3F) << 6) + # 0b00111111
+ (ordch3 & 0x3F))) # 0b00111111
+ pos += 3
+
+ elif n == 4:
+ ordch2 = ord(s[pos+1])
+ ordch3 = ord(s[pos+2])
+ ordch4 = ord(s[pos+3])
+ if (runicode._invalid_byte_2_of_4(ordch1, ordch2) or
+ runicode._invalid_byte_3_of_4(ordch3) or
+ runicode._invalid_byte_4_of_4(ordch4)):
+
+ raise UnicodeDecodeError('utf8', s, pos, pos + 1,
+ 'whatever')
+ # 11110www 10xxxxxx 10yyyyyy 10zzzzzz -> 000wwwxx xxxxyyyy yyzzzzzz
+ c = (((ordch1 & 0x07) << 18) + # 0b00000111
+ ((ordch2 & 0x3F) << 12) + # 0b00111111
+ ((ordch3 & 0x3F) << 6) + # 0b00111111
+ (ordch4 & 0x3F)) # 0b00111111
+ if c <= runicode.MAXUNICODE:
+ result.append(runicode.UNICHR(c))
+ else:
+ # compute and append the two surrogates:
+ # translate from 10000..10FFFF to 0..FFFF
+ c -= 0x10000
+ # high surrogate = top 10 bits added to D800
+ result.append(unichr(0xD800 + (c >> 10)))
+ # low surrogate = bottom 10 bits added to DC00
+ result.append(unichr(0xDC00 + (c & 0x03FF)))
+ pos += 4
+
+ return result.build()
class AbstractStringRepr(Repr):
@@ -16,13 +97,10 @@
@jit.elidable
def ll_decode_utf8(self, llvalue):
from rpython.rtyper.annlowlevel import hlstr
- from rpython.rlib import runicode
value = hlstr(llvalue)
assert value is not None
- errorhandler = runicode.default_unicode_error_decode
# NB. keep the arguments in sync with annotator/unaryop.py
- u, pos = runicode.str_decode_utf_8_elidable(
- value, len(value), 'strict', True, errorhandler, True)
+ u = str_decode_utf8(value)
# XXX maybe the whole ''.decode('utf-8') should be not RPython.
return self.ll.llunicode(u)
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