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cpython/Tools/scripts/make_ctype.py at master · python-emscripten/cpython · GitHub
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make_ctype.py
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94 lines (77 loc) · 2.23 KB
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cpython
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Tools
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scripts
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make_ctype.py
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executable file
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94 lines (77 loc) · 2.23 KB
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#!/usr/bin/env python3
"""Script that generates the ctype.h-replacement in stringobject.c."""
NAMES
=
(
"LOWER"
,
"UPPER"
,
"ALPHA"
,
"DIGIT"
,
"XDIGIT"
,
"ALNUM"
,
"SPACE"
)
print
(
"""
#define FLAG_LOWER 0x01
#define FLAG_UPPER 0x02
#define FLAG_ALPHA (FLAG_LOWER|FLAG_UPPER)
#define FLAG_DIGIT 0x04
#define FLAG_ALNUM (FLAG_ALPHA|FLAG_DIGIT)
#define FLAG_SPACE 0x08
#define FLAG_XDIGIT 0x10
static unsigned int ctype_table[256] = {"""
)
for
i
in
range
(
128
):
c
=
chr
(
i
)
flags
=
[]
for
name
in
NAMES
:
if
name
in
(
"ALPHA"
,
"ALNUM"
):
continue
if
name
==
"XDIGIT"
:
method
=
lambda
:
c
.
isdigit
()
or
c
.
upper
()
in
"ABCDEF"
else
:
method
=
getattr
(
c
,
"is"
+
name
.
lower
())
if
method
():
flags
.
append
(
"FLAG_"
+
name
)
rc
=
repr
(
c
)
if
c
==
'
\v
'
:
rc
=
"'
\\
v'"
elif
c
==
'
\f
'
:
rc
=
"'
\\
f'"
if
not
flags
:
print
(
" 0, /* 0x%x %s */"
%
(
i
,
rc
))
else
:
print
(
" %s, /* 0x%x %s */"
%
(
"|"
.
join
(
flags
),
i
,
rc
))
for
i
in
range
(
128
,
256
,
16
):
print
(
" %s,"
%
", "
.
join
(
16
*
[
"0"
]))
print
(
"};"
)
print
(
""
)
for
name
in
NAMES
:
print
(
"#define IS%s(c) (ctype_table[Py_CHARMASK(c)] & FLAG_%s)"
%
(
name
,
name
))
print
(
""
)
for
name
in
NAMES
:
name
=
"is"
+
name
.
lower
()
print
(
"#undef %s"
%
name
)
print
(
"#define %s(c) undefined_%s(c)"
%
(
name
,
name
))
print
(
"""
static unsigned char ctype_tolower[256] = {"""
)
for
i
in
range
(
0
,
256
,
8
):
values
=
[]
for
i
in
range
(
i
,
i
+
8
):
if
i
<
128
:
c
=
chr
(
i
)
if
c
.
isupper
():
i
=
ord
(
c
.
lower
())
values
.
append
(
"0x%02x"
%
i
)
print
(
" %s,"
%
", "
.
join
(
values
))
print
(
"};"
)
print
(
"""
static unsigned char ctype_toupper[256] = {"""
)
for
i
in
range
(
0
,
256
,
8
):
values
=
[]
for
i
in
range
(
i
,
i
+
8
):
if
i
<
128
:
c
=
chr
(
i
)
if
c
.
islower
():
i
=
ord
(
c
.
upper
())
values
.
append
(
"0x%02x"
%
i
)
print
(
" %s,"
%
", "
.
join
(
values
))
print
(
"};"
)
print
(
"""
#define TOLOWER(c) (ctype_tolower[Py_CHARMASK(c)])
#define TOUPPER(c) (ctype_toupper[Py_CHARMASK(c)])
#undef tolower
#define tolower(c) undefined_tolower(c)
#undef toupper
#define toupper(c) undefined_toupper(c)
"""
)
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