mirror of
https://github.com/ggerganov/llama.cpp.git
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b43272afa2
* Replace CODEPOINT_TYPE_* with codepoint_flags * Update and bugfix brute force random test * Deterministic brute force random test * Unicode normalization NFD * Get rid of BOM
135 lines
4.1 KiB
Python
135 lines
4.1 KiB
Python
import regex
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import ctypes
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import unicodedata
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class CoodepointFlags (ctypes.Structure):
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_fields_ = [ # see definition in unicode.h
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("is_undefined", ctypes.c_uint16, 1),
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("is_number", ctypes.c_uint16, 1), # regex: \p{N}
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("is_letter", ctypes.c_uint16, 1), # regex: \p{L}
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("is_separator", ctypes.c_uint16, 1), # regex: \p{Z}
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("is_accent_mark", ctypes.c_uint16, 1), # regex: \p{M}
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("is_punctuation", ctypes.c_uint16, 1), # regex: \p{P}
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("is_symbol", ctypes.c_uint16, 1), # regex: \p{S}
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("is_control", ctypes.c_uint16, 1), # regex: \p{C}
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]
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assert (ctypes.sizeof(CoodepointFlags) == 2)
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MAX_CODEPOINTS = 0x110000
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regex_number = regex.compile(r'\p{N}')
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regex_letter = regex.compile(r'\p{L}')
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regex_separator = regex.compile(r'\p{Z}')
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regex_accent_mark = regex.compile(r'\p{M}')
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regex_punctuation = regex.compile(r'\p{P}')
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regex_symbol = regex.compile(r'\p{S}')
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regex_control = regex.compile(r'\p{C}')
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regex_whitespace = regex.compile(r'\s')
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codepoint_flags = (CoodepointFlags * MAX_CODEPOINTS)()
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table_whitespace = []
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table_lowercase = []
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table_uppercase = []
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table_nfd = []
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for codepoint in range(MAX_CODEPOINTS):
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# convert codepoint to unicode character
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char = chr(codepoint)
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# regex categories
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flags = codepoint_flags[codepoint]
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flags.is_number = bool(regex_number.match(char))
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flags.is_letter = bool(regex_letter.match(char))
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flags.is_separator = bool(regex_separator.match(char))
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flags.is_accent_mark = bool(regex_accent_mark.match(char))
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flags.is_punctuation = bool(regex_punctuation.match(char))
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flags.is_symbol = bool(regex_symbol.match(char))
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flags.is_control = bool(regex_control.match(char))
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flags.is_undefined = bytes(flags)[0] == 0
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assert (not flags.is_undefined)
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# whitespaces
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if bool(regex_whitespace.match(char)):
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table_whitespace.append(codepoint)
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# lowercase conversion
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lower = ord(char.lower()[0])
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if codepoint != lower:
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table_lowercase.append((codepoint, lower))
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# uppercase conversion
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upper = ord(char.upper()[0])
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if codepoint != upper:
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table_uppercase.append((codepoint, upper))
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# NFD normalization
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norm = ord(unicodedata.normalize('NFD', char)[0])
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if codepoint != norm:
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table_nfd.append((codepoint, norm))
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# group ranges with same flags
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ranges_flags = [(0, codepoint_flags[0])] # start, flags
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for codepoint, flags in enumerate(codepoint_flags):
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if bytes(flags) != bytes(ranges_flags[-1][1]):
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ranges_flags.append((codepoint, flags))
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ranges_flags.append((MAX_CODEPOINTS, CoodepointFlags()))
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# group ranges with same nfd
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ranges_nfd = [(0, 0, 0)] # start, last, nfd
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for codepoint, norm in table_nfd:
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start = ranges_nfd[-1][0]
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if ranges_nfd[-1] != (start, codepoint - 1, norm):
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ranges_nfd.append(None)
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start = codepoint
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ranges_nfd[-1] = (start, codepoint, norm)
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# Generate 'unicode-data.cpp'
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def out(line=""):
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print(line, end='\n') # noqa
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out("""\
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// generated with scripts/gen-unicode-data.py
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#include "unicode-data.h"
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#include <cstdint>
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#include <vector>
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#include <unordered_map>
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#include <unordered_set>
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""")
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out("const std::vector<std::pair<uint32_t, uint16_t>> unicode_ranges_flags = { // start, flags // last=next_start-1")
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for codepoint, flags in ranges_flags:
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flags = int.from_bytes(bytes(flags), "little")
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out("{0x%06X, 0x%04X}," % (codepoint, flags))
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out("};\n")
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out("const std::unordered_set<uint32_t> unicode_set_whitespace = {")
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out(", ".join("0x%06X" % cpt for cpt in table_whitespace))
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out("};\n")
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out("const std::unordered_map<uint32_t, uint32_t> unicode_map_lowercase = {")
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for tuple in table_lowercase:
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out("{0x%06X, 0x%06X}," % tuple)
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out("};\n")
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out("const std::unordered_map<uint32_t, uint32_t> unicode_map_uppercase = {")
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for tuple in table_uppercase:
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out("{0x%06X, 0x%06X}," % tuple)
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out("};\n")
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out("const std::vector<range_nfd> unicode_ranges_nfd = { // start, last, nfd")
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for triple in ranges_nfd:
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out("{0x%06X, 0x%06X, 0x%06X}," % triple)
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out("};\n")
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