Generate `has_arabic_joining`
This commit is contained in:
David Corbett
ebraminio
parent
6f754852c1
commit
7bffb5d7ba
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@ -248,6 +248,7 @@ harfbuzz-deprecated-symbols.txt: $(srcdir)/hb-deprecated.h
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GENERATORS = \
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gen-arabic-joining-list.py \
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gen-arabic-table.py \
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gen-def.py \
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gen-emoji-table.py \
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@ -105,6 +105,7 @@ HB_BASE_sources = \
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hb-ot-post-macroman.hh \
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hb-ot-post-table.hh \
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hb-ot-shape-complex-arabic-fallback.hh \
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hb-ot-shape-complex-arabic-joining-list.hh \
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hb-ot-shape-complex-arabic-table.hh \
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hb-ot-shape-complex-arabic-win1256.hh \
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hb-ot-shape-complex-arabic.cc \
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@ -0,0 +1,104 @@
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#!/usr/bin/env python3
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"""usage: ./gen-arabic-joining-table.py ArabicShaping.txt Scripts.txt
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Input files:
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* https://unicode.org/Public/UCD/latest/ucd/ArabicShaping.txt
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* https://unicode.org/Public/UCD/latest/ucd/Scripts.txt
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"""
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import os.path, sys
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if len (sys.argv) != 3:
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sys.exit (__doc__)
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files = [open (x, encoding='utf-8') for x in sys.argv[1:]]
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headers = [[f.readline (), f.readline ()] for f in files]
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while files[0].readline ().find ('##################') < 0:
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pass
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def read (f):
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mapping = {}
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for line in f:
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j = line.find ('#')
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if j >= 0:
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line = line[:j]
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fields = [x.strip () for x in line.split (';')]
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if len (fields) == 1:
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continue
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uu = fields[0].split ('..')
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start = int (uu[0], 16)
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if len (uu) == 1:
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end = start
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else:
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end = int (uu[1], 16)
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t = fields[1]
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for u in range (start, end + 1):
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mapping[u] = t
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return mapping
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def read_joining_uu (f):
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values = set ()
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for line in f:
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if line[0] == '#':
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continue
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fields = [x.strip () for x in line.split (';')]
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if len (fields) == 1:
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continue
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values.add (int (fields[0], 16))
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return sorted (values)
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def print_has_arabic_joining (scripts, joining_uu):
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print ("static bool")
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print ("has_arabic_joining (hb_script_t script)")
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print ("{")
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print (" /* List of scripts that have data in arabic-table. */")
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print (" switch ((int) script)")
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print (" {")
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for script in sorted ({scripts[u] for u in joining_uu if scripts[u] not in {'Common', 'Inherited'}}):
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print (" case HB_SCRIPT_{}:".format (script.upper ()))
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print (" return true;")
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print ()
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print (" default:")
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print (" return false;")
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print (" }")
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print ("}")
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print ()
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print ("/* == Start of generated function == */")
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print ("/*")
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print (" * The following function is generated by running:")
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print (" *")
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print (" * ./gen-arabic-joining-list.py ArabicShaping.txt Scripts.txt")
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print (" *")
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print (" * on files with these headers:")
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print (" *")
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for h in headers:
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for l in h:
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print (" * %s" % (l.strip ()))
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print (" */")
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print ()
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print ("#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH")
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print ("#define HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH")
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print ()
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print_has_arabic_joining (read (files[1]), read_joining_uu (files[0]))
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print ()
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print ("#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH */")
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print ()
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print ("/* == End of generated function == */")
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@ -0,0 +1,47 @@
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/* == Start of generated function == */
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/*
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* The following function is generated by running:
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*
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* ./gen-arabic-joining-list.py ArabicShaping.txt Scripts.txt
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*
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* on files with these headers:
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*
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* # ArabicShaping-13.0.0.txt
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* # Date: 2020-01-31, 23:55:00 GMT [KW, RP]
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* # Scripts-13.0.0.txt
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* # Date: 2020-01-22, 00:07:43 GMT
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*/
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#ifndef HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH
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#define HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH
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static bool
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has_arabic_joining (hb_script_t script)
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{
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/* List of scripts that have data in arabic-table. */
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switch ((int) script)
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{
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case HB_SCRIPT_ADLAM:
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case HB_SCRIPT_ARABIC:
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case HB_SCRIPT_CHORASMIAN:
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case HB_SCRIPT_HANIFI_ROHINGYA:
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case HB_SCRIPT_KAITHI:
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case HB_SCRIPT_MANDAIC:
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case HB_SCRIPT_MANICHAEAN:
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case HB_SCRIPT_MONGOLIAN:
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case HB_SCRIPT_NKO:
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case HB_SCRIPT_PHAGS_PA:
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case HB_SCRIPT_PSALTER_PAHLAVI:
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case HB_SCRIPT_SOGDIAN:
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case HB_SCRIPT_SYRIAC:
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return true;
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default:
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return false;
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}
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}
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#endif /* HB_OT_SHAPE_COMPLEX_ARABIC_JOINING_LIST_HH */
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/* == End of generated function == */
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@ -32,6 +32,7 @@
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#include "hb-ot-shape-complex-use.hh"
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#include "hb-ot-shape-complex-arabic.hh"
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#include "hb-ot-shape-complex-arabic-joining-list.hh"
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#include "hb-ot-shape-complex-vowel-constraints.hh"
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/* buffer var allocations */
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@ -152,40 +153,6 @@ struct use_shape_plan_t
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arabic_shape_plan_t *arabic_plan;
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};
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static bool
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has_arabic_joining (hb_script_t script)
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{
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/* List of scripts that have data in arabic-table. */
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switch ((int) script)
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{
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/* Unicode-1.1 additions */
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case HB_SCRIPT_ARABIC:
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/* Unicode-3.0 additions */
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case HB_SCRIPT_MONGOLIAN:
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case HB_SCRIPT_SYRIAC:
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/* Unicode-5.0 additions */
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case HB_SCRIPT_NKO:
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case HB_SCRIPT_PHAGS_PA:
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/* Unicode-6.0 additions */
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case HB_SCRIPT_MANDAIC:
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/* Unicode-7.0 additions */
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case HB_SCRIPT_MANICHAEAN:
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case HB_SCRIPT_PSALTER_PAHLAVI:
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/* Unicode-9.0 additions */
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case HB_SCRIPT_ADLAM:
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return true;
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default:
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return false;
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}
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}
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static void *
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data_create_use (const hb_ot_shape_plan_t *plan)
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{
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@ -104,6 +104,7 @@ hb_base_sources = files(
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'hb-ot-post-macroman.hh',
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'hb-ot-post-table.hh',
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'hb-ot-shape-complex-arabic-fallback.hh',
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'hb-ot-shape-complex-arabic-joining-list.hh',
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'hb-ot-shape-complex-arabic-table.hh',
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'hb-ot-shape-complex-arabic-win1256.hh',
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'hb-ot-shape-complex-arabic.cc',
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@ -1,6 +1,7 @@
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#!/usr/bin/env -S make -f
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all: packtab \
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hb-ot-shape-complex-arabic-joining-list.hh \
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hb-ot-shape-complex-arabic-table.hh hb-unicode-emoji-table.hh \
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hb-ot-shape-complex-indic-table.cc hb-ot-tag-table.hh \
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hb-ucd-table.hh hb-ot-shape-complex-use-table.cc \
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@ -8,6 +9,8 @@ all: packtab \
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.PHONY: all clean packtab
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hb-ot-shape-complex-arabic-joining-list.hh: gen-arabic-joining-list.py ArabicShaping.txt Scripts.txt
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./$^ > $@ || ($(RM) $@; false)
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hb-ot-shape-complex-arabic-table.hh: gen-arabic-table.py ArabicShaping.txt UnicodeData.txt Blocks.txt
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./$^ > $@ || ($(RM) $@; false)
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hb-unicode-emoji-table.hh: gen-emoji-table.py emoji-data.txt
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