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Issue #19405: Fixed outdated comments in the _sre module.

This commit is contained in:
Serhiy Storchaka 2013-10-27 08:07:46 +02:00
parent b9dcfea092 efa5a39fa5
commit 1985f7b133
2 changed files with 6 additions and 7 deletions
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10
Lib/sre_compile.py
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@ -270,10 +270,10 @@ def _mk_bitmap(bits):
# set is constructed. Then, this bitmap is sliced into chunks of 256
# characters, duplicate chunks are eliminated, and each chunk is
# given a number. In the compiled expression, the charset is
# represented by a 16-bit word sequence, consisting of one word for
# the number of different chunks, a sequence of 256 bytes (128 words)
# represented by a 32-bit word sequence, consisting of one word for
# the number of different chunks, a sequence of 256 bytes (64 words)
# of chunk numbers indexed by their original chunk position, and a
# sequence of chunks (16 words each).
# sequence of 256-bit chunks (8 words each).
# Compression is normally good: in a typical charset, large ranges of
# Unicode will be either completely excluded (e.g. if only cyrillic
@ -286,9 +286,9 @@ def _mk_bitmap(bits):
# less significant byte is a bit index in the chunk (just like the
# CHARSET matching).
# In UCS-4 mode, the BIGCHARSET opcode still supports only subsets
# The BIGCHARSET opcode still supports only subsets
# of the basic multilingual plane; an efficient representation
# for all of UTF-16 has not yet been developed. This means,
# for all of Unicode has not yet been developed. This means,
# in particular, that negated charsets cannot be represented as
# bigcharsets.

3
Modules/_sre.c
View File

@ -1348,8 +1348,7 @@ _compile(PyObject* self_, PyObject* args)
\_________\_____/ /
\____________/
It also helps that SRE_CODE is always an unsigned type, either 2 bytes or 4
bytes wide (the latter if Python is compiled for "wide" unicode support).
It also helps that SRE_CODE is always an unsigned type.
*/
/* Defining this one enables tracing of the validator */