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#!/usr/bin/python3
import math
from lib import *
MAP = {
'ALetter': 'LE',
'CR': 'CR',
'Double_Quote': 'DQ',
'E_Base': 'EB',
'E_Base_GAZ': 'EBG',
'E_Modifier': 'EM',
'Extended_Pictographic': 'EXTPICT',
'Extend': 'EXTEND',
'ExtendNumLet': 'EX',
'Format': 'FO',
'Glue_After_Zwj': 'GAZ',
'Hebrew_Letter': 'HL',
'Katakana': 'KA',
'LF': 'LF',
'MidLetter': 'ML',
'MidNumLet': 'MB',
'MidNum': 'MN',
'Newline': 'NL',
'Numeric': 'NU',
'Other': 'XX',
'Regional_Indicator': 'RI',
'Single_Quote': 'SQ',
'WSegSpace': 'WSEGSPACE',
'ZWJ': 'ZWJ',
}
longest = -1
def parse(*files: str) -> list[bool]:
global longest
xs = ['WBRK_XX'] * 0x110000
lines = []
for file in files:
with open(file, 'r') as f:
lines.extend(f.readlines())
for line in lines:
if len(line.strip()) == 0 or line[0] == '#':
continue
parts = line.split(';')
ranges = [int(x, 16) for x in parts[0].strip().split('..')]
try:
prop = 'WBRK_' + MAP[parts[1].split('#')[0].strip()]
except KeyError:
continue
longest = max(longest, len(prop))
for i in range(ranges[0], ranges[len(ranges) - 1] + 1):
xs[i] = prop
return list(map(str, xs))
def genfile(cs: list[tuple[bool, ...]], blksize: int) -> None:
Cs = cs
cs = list(dict.fromkeys(Cs))
print('''\
/* This file is autogenerated by gen/string/wbrk; DO NOT EDIT. */
#ifndef MLIB_UNICODE__WBRK_H
#define MLIB_UNICODE__WBRK_H
#include <inttypes.h>
#include "_attrs.h"
#include "_rune.h"
enum uprop_wbrk : uint_least8_t {
WBRK_XX = 0, /* Other */
WBRK_CR, /* CR */
WBRK_DQ, /* Double Quote */
WBRK_EB, /* E Base */
WBRK_EBG, /* E Base GAZ */
WBRK_EM, /* E Modifier */
WBRK_EOT, /* End of Text */
WBRK_EX, /* ExtendNumLet */
WBRK_EXTEND, /* Extend */
WBRK_EXTPICT, /* Extended Pictographic */
WBRK_EXTPICT_LE, /* Extended Pictographic and ALetter */
WBRK_FO, /* Format */
WBRK_GAZ, /* Glue After Zwj */
WBRK_HL, /* Hebrew Letter */
WBRK_KA, /* Katakana */
WBRK_LE, /* ALetter */
WBRK_LF, /* LF */
WBRK_MB, /* MidNumLet */
WBRK_ML, /* MidLetter */
WBRK_MN, /* MidNum */
WBRK_NL, /* Newline */
WBRK_NU, /* Numeric */
WBRK_RI, /* Regional Indicator */
WBRK_SQ, /* Single Quote */
WBRK_WSEGSPACE, /* WSegSpace */
WBRK_ZWJ, /* ZWJ */
};
''')
print(f'static constexpr {typename(len(cs) - 1)} stage1[] = {{')
for i, c in enumerate(Cs):
print(f'%c%{len(str(len(cs) - 1))}d,' % ('\t' if i % 16 == 0 else ' ', cs.index(c)), end='')
if i % 16 == 15:
print()
print('};')
print()
ppc = columns(blksize, longest + 1)
print(f'static constexpr enum uprop_wbrk stage2[][{blksize}] = {{')
for c in cs:
for i in range(blksize // ppc):
print('\t{' if i == 0 else '\t ', end='')
for j in range(ppc):
print(c[i*ppc + j], end='')
if i < blksize // ppc - 1 or j < ppc - 1:
print(',', end='')
if j < ppc - 1:
print(' ' * (longest + 1 - len(c[i*ppc + j])), end='')
if i < blksize // ppc - 1:
print()
print('},')
print('};')
print()
print(f'''\
[[_mlib_pure, _mlib_inline]]
static enum uprop_wbrk
uprop_get_wbrk(rune ch)
{{
return stage2[stage1[ch / {blksize}]][ch % {blksize}];
}}
#endif /* !MLIB_UNICODE__WBRK_H */''')
def main() -> None:
cwd_init()
xs = parse('data/WordBreakProperty', 'data/emoji-data')
blksize = -1
smallest = math.inf
for bs in powers_of_2():
if bs > len(xs):
break
Cs = [tuple(x) for x in chunks(xs, bs)]
cs = set(Cs)
sz_s1 = len(Cs) * isize(len(cs) - 1)
sz_s2 = len(cs) * bs
sz = sz_s1 + sz_s2
if sz < smallest:
smallest = sz
blksize = bs
Cs = [tuple(x) for x in chunks(xs, blksize)]
with open('include/unicode/_wbrk.h', 'w') as f:
sys.stdout = f
genfile(Cs, blksize)
report_size(len(xs), smallest)
if __name__ == '__main__':
main()
|
