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1 files changed, 196 insertions, 0 deletions

diff --git a/llama.cpp/scripts/gen-unicode-data.py b/llama.cpp/scripts/gen-unicode-data.py
new file mode 100644
index 0000000..2d9bde0
--- /dev/null
+++ b/llama.cpp/scripts/gen-unicode-data.py
@@ -0,0 +1,196 @@
+from __future__ import annotations
+
+import array
+import unicodedata
+import requests
+
+
+MAX_CODEPOINTS = 0x110000
+
+UNICODE_DATA_URL = "https://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt"
+
+
+# see https://www.unicode.org/L2/L1999/UnicodeData.html
+def unicode_data_iter():
+    res = requests.get(UNICODE_DATA_URL)
+    res.raise_for_status()
+    data = res.content.decode()
+
+    prev = []
+
+    for line in data.splitlines():
+        # ej: 0000;<control>;Cc;0;BN;;;;;N;NULL;;;;
+        line = line.split(";")
+
+        cpt = int(line[0], base=16)
+        assert cpt < MAX_CODEPOINTS
+
+        cpt_lower = int(line[-2] or "0", base=16)
+        assert cpt_lower < MAX_CODEPOINTS
+
+        cpt_upper = int(line[-3] or "0", base=16)
+        assert cpt_upper < MAX_CODEPOINTS
+
+        categ = line[2].strip()
+        assert len(categ) == 2
+
+        bidir = line[4].strip()
+        assert len(categ) == 2
+
+        name = line[1]
+        if name.endswith(", First>"):
+            prev = (cpt, cpt_lower, cpt_upper, categ, bidir)
+            continue
+        if name.endswith(", Last>"):
+            assert prev[1:] == (0, 0, categ, bidir)
+            for c in range(prev[0], cpt):
+                yield (c, cpt_lower, cpt_upper, categ, bidir)
+
+        yield (cpt, cpt_lower, cpt_upper, categ, bidir)
+
+
+# see definition in unicode.h
+CODEPOINT_FLAG_UNDEFINED   = 0x0001  #
+CODEPOINT_FLAG_NUMBER      = 0x0002  # \p{N}
+CODEPOINT_FLAG_LETTER      = 0x0004  # \p{L}
+CODEPOINT_FLAG_SEPARATOR   = 0x0008  # \p{Z}
+CODEPOINT_FLAG_MARK        = 0x0010  # \p{M}
+CODEPOINT_FLAG_PUNCTUATION = 0x0020  # \p{P}
+CODEPOINT_FLAG_SYMBOL      = 0x0040  # \p{S}
+CODEPOINT_FLAG_CONTROL     = 0x0080  # \p{C}
+
+UNICODE_CATEGORY_TO_FLAG = {
+    "Cn": CODEPOINT_FLAG_UNDEFINED,    # Undefined
+    "Cc": CODEPOINT_FLAG_CONTROL,      # Control
+    "Cf": CODEPOINT_FLAG_CONTROL,      # Format
+    "Co": CODEPOINT_FLAG_CONTROL,      # Private Use
+    "Cs": CODEPOINT_FLAG_CONTROL,      # Surrrogate
+    "Ll": CODEPOINT_FLAG_LETTER,       # Lowercase Letter
+    "Lm": CODEPOINT_FLAG_LETTER,       # Modifier Letter
+    "Lo": CODEPOINT_FLAG_LETTER,       # Other Letter
+    "Lt": CODEPOINT_FLAG_LETTER,       # Titlecase Letter
+    "Lu": CODEPOINT_FLAG_LETTER,       # Uppercase Letter
+    "L&": CODEPOINT_FLAG_LETTER,       # Cased Letter
+    "Mc": CODEPOINT_FLAG_MARK,         # Spacing Mark
+    "Me": CODEPOINT_FLAG_MARK,         # Enclosing Mark
+    "Mn": CODEPOINT_FLAG_MARK,         # Nonspacing Mark
+    "Nd": CODEPOINT_FLAG_NUMBER,       # Decimal Number
+    "Nl": CODEPOINT_FLAG_NUMBER,       # Letter Number
+    "No": CODEPOINT_FLAG_NUMBER,       # Other Number
+    "Pc": CODEPOINT_FLAG_PUNCTUATION,  # Connector Punctuation
+    "Pd": CODEPOINT_FLAG_PUNCTUATION,  # Dash Punctuation
+    "Pe": CODEPOINT_FLAG_PUNCTUATION,  # Close Punctuation
+    "Pf": CODEPOINT_FLAG_PUNCTUATION,  # Final Punctuation
+    "Pi": CODEPOINT_FLAG_PUNCTUATION,  # Initial Punctuation
+    "Po": CODEPOINT_FLAG_PUNCTUATION,  # Other Punctuation
+    "Ps": CODEPOINT_FLAG_PUNCTUATION,  # Open Punctuation
+    "Sc": CODEPOINT_FLAG_SYMBOL,       # Currency Symbol
+    "Sk": CODEPOINT_FLAG_SYMBOL,       # Modifier Symbol
+    "Sm": CODEPOINT_FLAG_SYMBOL,       # Math Symbol
+    "So": CODEPOINT_FLAG_SYMBOL,       # Other Symbol
+    "Zl": CODEPOINT_FLAG_SEPARATOR,    # Line Separator
+    "Zp": CODEPOINT_FLAG_SEPARATOR,    # Paragraph Separator
+    "Zs": CODEPOINT_FLAG_SEPARATOR,    # Space Separator
+}
+
+
+codepoint_flags = array.array('H', [CODEPOINT_FLAG_UNDEFINED]) * MAX_CODEPOINTS
+table_whitespace = []
+table_lowercase = []
+table_uppercase = []
+table_nfd = []
+
+for (cpt, cpt_lower, cpt_upper, categ, bidir) in unicode_data_iter():
+    # convert codepoint to unicode character
+    char = chr(cpt)
+
+    # codepoint category flags
+    codepoint_flags[cpt] = UNICODE_CATEGORY_TO_FLAG[categ]
+
+    # lowercase conversion
+    if cpt_lower:
+        table_lowercase.append((cpt, cpt_lower))
+
+    # uppercase conversion
+    if cpt_upper:
+        table_uppercase.append((cpt, cpt_upper))
+
+    # NFD normalization
+    norm = ord(unicodedata.normalize('NFD', char)[0])
+    if cpt != norm:
+        table_nfd.append((cpt, norm))
+
+
+# whitespaces, see "<White_Space>" https://www.unicode.org/Public/UCD/latest/ucd/PropList.txt
+table_whitespace.extend(range(0x0009, 0x000D + 1))
+table_whitespace.extend(range(0x2000, 0x200A + 1))
+table_whitespace.extend([0x0020, 0x0085, 0x00A0, 0x1680, 0x2028, 0x2029, 0x202F, 0x205F, 0x3000])
+
+
+# sort by codepoint
+table_whitespace.sort()
+table_lowercase.sort()
+table_uppercase.sort()
+table_nfd.sort()
+
+
+# group ranges with same flags
+ranges_flags: list[tuple[int, int]] = [(0, codepoint_flags[0])]  # start, flags
+for codepoint, flags in enumerate(codepoint_flags):
+    if flags != ranges_flags[-1][1]:
+        ranges_flags.append((codepoint, flags))
+ranges_flags.append((MAX_CODEPOINTS, 0x0000))
+
+
+# group ranges with same nfd
+ranges_nfd: list[tuple[int, int, int]] = [(0, 0, 0)]  # start, last, nfd
+for codepoint, norm in table_nfd:
+    start = ranges_nfd[-1][0]
+    if ranges_nfd[-1] != (start, codepoint - 1, norm):
+        ranges_nfd.append(None)  # type: ignore[arg-type]  # dummy, will be replaced below
+        start = codepoint
+    ranges_nfd[-1] = (start, codepoint, norm)
+
+
+# Generate 'unicode-data.cpp':
+#   python ./scripts//gen-unicode-data.py > unicode-data.cpp
+
+def out(line=""):
+    print(line, end='\n')  # noqa
+
+
+out("""\
+// generated with scripts/gen-unicode-data.py
+
+#include "unicode-data.h"
+
+#include <cstdint>
+#include <vector>
+#include <unordered_map>
+#include <unordered_set>
+""")
+
+out("const std::vector<std::pair<uint32_t, uint16_t>> unicode_ranges_flags = {  // start, flags // last=next_start-1")
+for codepoint, flags in ranges_flags:
+    out("{0x%06X, 0x%04X}," % (codepoint, flags))
+out("};\n")
+
+out("const std::unordered_set<uint32_t> unicode_set_whitespace = {")
+for codepoint in table_whitespace:
+    out("0x%06X," % codepoint)
+out("};\n")
+
+out("const std::unordered_map<uint32_t, uint32_t> unicode_map_lowercase = {")
+for tuple_lw in table_lowercase:
+    out("{0x%06X, 0x%06X}," % tuple_lw)
+out("};\n")
+
+out("const std::unordered_map<uint32_t, uint32_t> unicode_map_uppercase = {")
+for tuple_up in table_uppercase:
+    out("{0x%06X, 0x%06X}," % tuple_up)
+out("};\n")
+
+out("const std::vector<range_nfd> unicode_ranges_nfd = {  // start, last, nfd")
+for triple in ranges_nfd:
+    out("{0x%06X, 0x%06X, 0x%06X}," % triple)
+out("};\n")