Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 699 insertions, 0 deletions

diff --git a/gfx/harfbuzz/src/gen-indic-table.py b/gfx/harfbuzz/src/gen-indic-table.py
new file mode 100755
index 0000000000..4ef970265d
--- /dev/null
+++ b/gfx/harfbuzz/src/gen-indic-table.py
@@ -0,0 +1,699 @@
+#!/usr/bin/env python3
+
+"""usage: ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt
+
+Input files:
+* https://unicode.org/Public/UCD/latest/ucd/IndicSyllabicCategory.txt
+* https://unicode.org/Public/UCD/latest/ucd/IndicPositionalCategory.txt
+* https://unicode.org/Public/UCD/latest/ucd/Blocks.txt
+"""
+
+import sys
+
+if len (sys.argv) != 4:
+	sys.exit (__doc__)
+
+ALLOWED_SINGLES = [0x00A0, 0x25CC]
+ALLOWED_BLOCKS = [
+	'Basic Latin',
+	'Latin-1 Supplement',
+	'Devanagari',
+	'Bengali',
+	'Gurmukhi',
+	'Gujarati',
+	'Oriya',
+	'Tamil',
+	'Telugu',
+	'Kannada',
+	'Malayalam',
+	'Myanmar',
+	'Khmer',
+	'Vedic Extensions',
+	'General Punctuation',
+	'Superscripts and Subscripts',
+	'Devanagari Extended',
+	'Myanmar Extended-B',
+	'Myanmar Extended-A',
+]
+
+files = [open (x, encoding='utf-8') for x in sys.argv[1:]]
+
+headers = [[f.readline () for i in range (2)] for f in files]
+
+unicode_data = [{} for _ in files]
+for i, f in enumerate (files):
+	for line in f:
+
+		j = line.find ('#')
+		if j >= 0:
+			line = line[:j]
+
+		fields = [x.strip () for x in line.split (';')]
+		if len (fields) == 1:
+			continue
+
+		uu = fields[0].split ('..')
+		start = int (uu[0], 16)
+		if len (uu) == 1:
+			end = start
+		else:
+			end = int (uu[1], 16)
+
+		t = fields[1]
+
+		for u in range (start, end + 1):
+			unicode_data[i][u] = t
+
+# Merge data into one dict:
+defaults = ('Other', 'Not_Applicable', 'No_Block')
+combined = {}
+for i,d in enumerate (unicode_data):
+	for u,v in d.items ():
+		if i == 2 and not u in combined:
+			continue
+		if not u in combined:
+			combined[u] = list (defaults)
+		combined[u][i] = v
+combined = {k:v for k,v in combined.items() if k in ALLOWED_SINGLES or v[2] in ALLOWED_BLOCKS}
+
+
+# Convert categories & positions types
+
+categories = {
+  'indic' : [
+    'X',
+    'C',
+    'V',
+    'N',
+    'H',
+    'ZWNJ',
+    'ZWJ',
+    'M',
+    'SM',
+    'A',
+    'VD',
+    'PLACEHOLDER',
+    'DOTTEDCIRCLE',
+    'RS',
+    'MPst',
+    'Repha',
+    'Ra',
+    'CM',
+    'Symbol',
+    'CS',
+  ],
+  'khmer' : [
+    'VAbv',
+    'VBlw',
+    'VPre',
+    'VPst',
+
+    'Robatic',
+    'Xgroup',
+    'Ygroup',
+  ],
+  'myanmar' : [
+    'VAbv',
+    'VBlw',
+    'VPre',
+    'VPst',
+
+    'IV',
+    'As',
+    'DB',
+    'GB',
+    'MH',
+    'MR',
+    'MW',
+    'MY',
+    'PT',
+    'VS',
+    'ML',
+  ],
+}
+
+category_map = {
+  'Other'			: 'X',
+  'Avagraha'			: 'Symbol',
+  'Bindu'			: 'SM',
+  'Brahmi_Joining_Number'	: 'PLACEHOLDER', # Don't care.
+  'Cantillation_Mark'		: 'A',
+  'Consonant'			: 'C',
+  'Consonant_Dead'		: 'C',
+  'Consonant_Final'		: 'CM',
+  'Consonant_Head_Letter'	: 'C',
+  'Consonant_Initial_Postfixed'	: 'C', # TODO
+  'Consonant_Killer'		: 'M', # U+17CD only.
+  'Consonant_Medial'		: 'CM',
+  'Consonant_Placeholder'	: 'PLACEHOLDER',
+  'Consonant_Preceding_Repha'	: 'Repha',
+  'Consonant_Prefixed'		: 'X', # Don't care.
+  'Consonant_Subjoined'		: 'CM',
+  'Consonant_Succeeding_Repha'	: 'CM',
+  'Consonant_With_Stacker'	: 'CS',
+  'Gemination_Mark'		: 'SM', # https://github.com/harfbuzz/harfbuzz/issues/552
+  'Invisible_Stacker'		: 'H',
+  'Joiner'			: 'ZWJ',
+  'Modifying_Letter'		: 'X',
+  'Non_Joiner'			: 'ZWNJ',
+  'Nukta'			: 'N',
+  'Number'			: 'PLACEHOLDER',
+  'Number_Joiner'		: 'PLACEHOLDER', # Don't care.
+  'Pure_Killer'			: 'M', # Is like a vowel matra.
+  'Register_Shifter'		: 'RS',
+  'Syllable_Modifier'		: 'SM',
+  'Tone_Letter'			: 'X',
+  'Tone_Mark'			: 'N',
+  'Virama'			: 'H',
+  'Visarga'			: 'SM',
+  'Vowel'			: 'V',
+  'Vowel_Dependent'		: 'M',
+  'Vowel_Independent'		: 'V',
+}
+position_map = {
+  'Not_Applicable'		: 'END',
+
+  'Left'			: 'PRE_C',
+  'Top'				: 'ABOVE_C',
+  'Bottom'			: 'BELOW_C',
+  'Right'			: 'POST_C',
+
+  # These should resolve to the position of the last part of the split sequence.
+  'Bottom_And_Right'		: 'POST_C',
+  'Left_And_Right'		: 'POST_C',
+  'Top_And_Bottom'		: 'BELOW_C',
+  'Top_And_Bottom_And_Left'	: 'BELOW_C',
+  'Top_And_Bottom_And_Right'	: 'POST_C',
+  'Top_And_Left'		: 'ABOVE_C',
+  'Top_And_Left_And_Right'	: 'POST_C',
+  'Top_And_Right'		: 'POST_C',
+
+  'Overstruck'			: 'AFTER_MAIN',
+  'Visual_order_left'		: 'PRE_M',
+}
+
+category_overrides = {
+
+  # These are the variation-selectors. They only appear in the Myanmar grammar
+  # but are not Myanmar-specific
+  0xFE00: 'VS',
+  0xFE01: 'VS',
+  0xFE02: 'VS',
+  0xFE03: 'VS',
+  0xFE04: 'VS',
+  0xFE05: 'VS',
+  0xFE06: 'VS',
+  0xFE07: 'VS',
+  0xFE08: 'VS',
+  0xFE09: 'VS',
+  0xFE0A: 'VS',
+  0xFE0B: 'VS',
+  0xFE0C: 'VS',
+  0xFE0D: 'VS',
+  0xFE0E: 'VS',
+  0xFE0F: 'VS',
+
+  # These appear in the OT Myanmar spec, but are not Myanmar-specific
+  0x2015: 'PLACEHOLDER',
+  0x2022: 'PLACEHOLDER',
+  0x25FB: 'PLACEHOLDER',
+  0x25FC: 'PLACEHOLDER',
+  0x25FD: 'PLACEHOLDER',
+  0x25FE: 'PLACEHOLDER',
+
+
+  # Indic
+
+  0x0930: 'Ra', # Devanagari
+  0x09B0: 'Ra', # Bengali
+  0x09F0: 'Ra', # Bengali
+  0x0A30: 'Ra', # Gurmukhi 	No Reph
+  0x0AB0: 'Ra', # Gujarati
+  0x0B30: 'Ra', # Oriya
+  0x0BB0: 'Ra', # Tamil 	No Reph
+  0x0C30: 'Ra', # Telugu 	Reph formed only with ZWJ
+  0x0CB0: 'Ra', # Kannada
+  0x0D30: 'Ra', # Malayalam 	No Reph, Logical Repha
+
+  # The following act more like the Bindus.
+  0x0953: 'SM',
+  0x0954: 'SM',
+
+  # U+0A40 GURMUKHI VOWEL SIGN II may be preceded by U+0A02 GURMUKHI SIGN BINDI.
+  0x0A40: 'MPst',
+
+  # The following act like consonants.
+  0x0A72: 'C',
+  0x0A73: 'C',
+  0x1CF5: 'C',
+  0x1CF6: 'C',
+
+  # TODO: The following should only be allowed after a Visarga.
+  # For now, just treat them like regular tone marks.
+  0x1CE2: 'A',
+  0x1CE3: 'A',
+  0x1CE4: 'A',
+  0x1CE5: 'A',
+  0x1CE6: 'A',
+  0x1CE7: 'A',
+  0x1CE8: 'A',
+
+  # TODO: The following should only be allowed after some of
+  # the nasalization marks, maybe only for U+1CE9..U+1CF1.
+  # For now, just treat them like tone marks.
+  0x1CED: 'A',
+
+  # The following take marks in standalone clusters, similar to Avagraha.
+  0xA8F2: 'Symbol',
+  0xA8F3: 'Symbol',
+  0xA8F4: 'Symbol',
+  0xA8F5: 'Symbol',
+  0xA8F6: 'Symbol',
+  0xA8F7: 'Symbol',
+  0x1CE9: 'Symbol',
+  0x1CEA: 'Symbol',
+  0x1CEB: 'Symbol',
+  0x1CEC: 'Symbol',
+  0x1CEE: 'Symbol',
+  0x1CEF: 'Symbol',
+  0x1CF0: 'Symbol',
+  0x1CF1: 'Symbol',
+
+  0x0A51: 'M', # https://github.com/harfbuzz/harfbuzz/issues/524
+
+  # According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
+  # so the Indic shaper needs to know their categories.
+  0x11301: 'SM',
+  0x11302: 'SM',
+  0x11303: 'SM',
+  0x1133B: 'N',
+  0x1133C: 'N',
+
+  0x0AFB: 'N', # https://github.com/harfbuzz/harfbuzz/issues/552
+  0x0B55: 'N', # https://github.com/harfbuzz/harfbuzz/issues/2849
+
+  0x09FC: 'PLACEHOLDER', # https://github.com/harfbuzz/harfbuzz/pull/1613
+  0x0C80: 'PLACEHOLDER', # https://github.com/harfbuzz/harfbuzz/pull/623
+  0x0D04: 'PLACEHOLDER', # https://github.com/harfbuzz/harfbuzz/pull/3511
+
+  0x25CC: 'DOTTEDCIRCLE',
+
+
+  # Khmer
+
+  0x179A: 'Ra',
+
+  0x17CC: 'Robatic',
+  0x17C9: 'Robatic',
+  0x17CA: 'Robatic',
+
+  0x17C6: 'Xgroup',
+  0x17CB: 'Xgroup',
+  0x17CD: 'Xgroup',
+  0x17CE: 'Xgroup',
+  0x17CF: 'Xgroup',
+  0x17D0: 'Xgroup',
+  0x17D1: 'Xgroup',
+
+  0x17C7: 'Ygroup',
+  0x17C8: 'Ygroup',
+  0x17DD: 'Ygroup',
+  0x17D3: 'Ygroup', # Just guessing. Uniscribe doesn't categorize it.
+
+  0x17D9: 'PLACEHOLDER', # https://github.com/harfbuzz/harfbuzz/issues/2384
+
+
+  # Myanmar
+
+  # https://docs.microsoft.com/en-us/typography/script-development/myanmar#analyze
+
+  0x104E: 'C', # The spec says C, IndicSyllableCategory says Consonant_Placeholder
+
+  0x1004: 'Ra',
+  0x101B: 'Ra',
+  0x105A: 'Ra',
+
+  0x1032: 'A',
+  0x1036: 'A',
+
+  0x103A: 'As',
+
+  #0x1040: 'D0', # XXX The spec says D0, but Uniscribe doesn't seem to do.
+
+  0x103E: 'MH',
+  0x1060: 'ML',
+  0x103C: 'MR',
+  0x103D: 'MW',
+  0x1082: 'MW',
+  0x103B: 'MY',
+  0x105E: 'MY',
+  0x105F: 'MY',
+
+  0x1063: 'PT',
+  0x1064: 'PT',
+  0x1069: 'PT',
+  0x106A: 'PT',
+  0x106B: 'PT',
+  0x106C: 'PT',
+  0x106D: 'PT',
+  0xAA7B: 'PT',
+
+  0x1038: 'SM',
+  0x1087: 'SM',
+  0x1088: 'SM',
+  0x1089: 'SM',
+  0x108A: 'SM',
+  0x108B: 'SM',
+  0x108C: 'SM',
+  0x108D: 'SM',
+  0x108F: 'SM',
+  0x109A: 'SM',
+  0x109B: 'SM',
+  0x109C: 'SM',
+
+  0x104A: 'PLACEHOLDER',
+}
+position_overrides = {
+
+  0x0A51: 'BELOW_C', # https://github.com/harfbuzz/harfbuzz/issues/524
+
+  0x0B01: 'BEFORE_SUB', # Oriya Bindu is BeforeSub in the spec.
+}
+
+def matra_pos_left(u, block):
+  return "PRE_M"
+def matra_pos_right(u, block):
+  if block == 'Devanagari':	return  'AFTER_SUB'
+  if block == 'Bengali':	return  'AFTER_POST'
+  if block == 'Gurmukhi':	return  'AFTER_POST'
+  if block == 'Gujarati':	return  'AFTER_POST'
+  if block == 'Oriya':		return  'AFTER_POST'
+  if block == 'Tamil':		return  'AFTER_POST'
+  if block == 'Telugu':		return  'BEFORE_SUB' if u <= 0x0C42 else 'AFTER_SUB'
+  if block == 'Kannada':	return  'BEFORE_SUB' if u < 0x0CC3 or u > 0x0CD6 else 'AFTER_SUB'
+  if block == 'Malayalam':	return  'AFTER_POST'
+  return 'AFTER_SUB'
+def matra_pos_top(u, block):
+  # BENG and MLYM don't have top matras.
+  if block == 'Devanagari':	return  'AFTER_SUB'
+  if block == 'Gurmukhi':	return  'AFTER_POST' # Deviate from spec
+  if block == 'Gujarati':	return  'AFTER_SUB'
+  if block == 'Oriya':		return  'AFTER_MAIN'
+  if block == 'Tamil':		return  'AFTER_SUB'
+  if block == 'Telugu':		return  'BEFORE_SUB'
+  if block == 'Kannada':	return  'BEFORE_SUB'
+  return 'AFTER_SUB'
+def matra_pos_bottom(u, block):
+  if block == 'Devanagari':	return  'AFTER_SUB'
+  if block == 'Bengali':	return  'AFTER_SUB'
+  if block == 'Gurmukhi':	return  'AFTER_POST'
+  if block == 'Gujarati':	return  'AFTER_POST'
+  if block == 'Oriya':		return  'AFTER_SUB'
+  if block == 'Tamil':		return  'AFTER_POST'
+  if block == 'Telugu':		return  'BEFORE_SUB'
+  if block == 'Kannada':	return  'BEFORE_SUB'
+  if block == 'Malayalam':	return  'AFTER_POST'
+  return "AFTER_SUB"
+def indic_matra_position(u, pos, block): # Reposition matra
+  if pos == 'PRE_C':	return matra_pos_left(u, block)
+  if pos == 'POST_C':	return matra_pos_right(u, block)
+  if pos == 'ABOVE_C':	return matra_pos_top(u, block)
+  if pos == 'BELOW_C':	return matra_pos_bottom(u, block)
+  assert (False)
+
+def position_to_category(pos):
+  if pos == 'PRE_C':	return 'VPre'
+  if pos == 'ABOVE_C':	return 'VAbv'
+  if pos == 'BELOW_C':	return 'VBlw'
+  if pos == 'POST_C':	return 'VPst'
+  assert(False)
+
+
+defaults = (category_map[defaults[0]], position_map[defaults[1]], defaults[2])
+
+indic_data = {}
+for k, (cat, pos, block) in combined.items():
+  cat = category_map[cat]
+  pos = position_map[pos]
+  indic_data[k] = (cat, pos, block)
+
+for k,new_cat in category_overrides.items():
+  (cat, pos, _) = indic_data.get(k, defaults)
+  indic_data[k] = (new_cat, pos, unicode_data[2][k])
+
+# We only expect position for certain types
+positioned_categories = ('CM', 'SM', 'RS', 'H', 'M', 'MPst')
+for k, (cat, pos, block) in indic_data.items():
+  if cat not in positioned_categories:
+    pos = 'END'
+    indic_data[k] = (cat, pos, block)
+
+# Position overrides are more complicated
+
+# Keep in sync with CONSONANT_FLAGS in the shaper
+consonant_categories = ('C', 'CS', 'Ra','CM', 'V', 'PLACEHOLDER', 'DOTTEDCIRCLE')
+matra_categories = ('M', 'MPst')
+smvd_categories = ('SM', 'VD', 'A', 'Symbol')
+for k, (cat, pos, block) in indic_data.items():
+  if cat in consonant_categories:
+    pos = 'BASE_C'
+  elif cat in matra_categories:
+    if block.startswith('Khmer') or block.startswith('Myanmar'):
+      cat = position_to_category(pos)
+    else:
+      pos = indic_matra_position(k, pos, block)
+  elif cat in smvd_categories:
+    pos = 'SMVD';
+  indic_data[k] = (cat, pos, block)
+
+for k,new_pos in position_overrides.items():
+  (cat, pos, _) = indic_data.get(k, defaults)
+  indic_data[k] = (cat, new_pos, unicode_data[2][k])
+
+
+values = [{_: 1} for _ in defaults]
+for vv in indic_data.values():
+  for i,v in enumerate(vv):
+    values[i][v] = values[i].get (v, 0) + 1
+
+
+
+
+# Move the outliers NO-BREAK SPACE and DOTTED CIRCLE out
+singles = {}
+for u in ALLOWED_SINGLES:
+	singles[u] = indic_data[u]
+	del indic_data[u]
+
+print ("/* == Start of generated table == */")
+print ("/*")
+print (" * The following table is generated by running:")
+print (" *")
+print (" *   ./gen-indic-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt Blocks.txt")
+print (" *")
+print (" * on files with these headers:")
+print (" *")
+for h in headers:
+	for l in h:
+		print (" * %s" % (l.strip()))
+print (" */")
+print ()
+print ('#include "hb.hh"')
+print ()
+print ('#ifndef HB_NO_OT_SHAPE')
+print ()
+print ('#include "hb-ot-shaper-indic.hh"')
+print ()
+print ('#pragma GCC diagnostic push')
+print ('#pragma GCC diagnostic ignored "-Wunused-macros"')
+print ()
+
+# Print categories
+for shaper in categories:
+  print ('#include "hb-ot-shaper-%s-machine.hh"' % shaper)
+print ()
+done = {}
+for shaper, shaper_cats in categories.items():
+  print ('/* %s */' % shaper)
+  for cat in shaper_cats:
+    v = shaper[0].upper()
+    if cat not in done:
+      print ("#define OT_%s %s_Cat(%s)" % (cat, v, cat))
+      done[cat] = v
+    else:
+      print ('static_assert (OT_%s == %s_Cat(%s), "");' % (cat, v, cat))
+print ()
+
+# Shorten values
+short = [{
+	"Repha":		'Rf',
+	"PLACEHOLDER":		'GB',
+	"DOTTEDCIRCLE":		'DC',
+	"VPst":			'VR',
+	"VPre":			'VL',
+	"Robatic":		'Rt',
+	"Xgroup":		'Xg',
+	"Ygroup":		'Yg',
+	"As":			'As',
+},{
+	"END":			'X',
+	"BASE_C":		'C',
+	"ABOVE_C":		'T',
+	"BELOW_C":		'B',
+	"POST_C":		'R',
+	"PRE_C":		'L',
+	"PRE_M":		'LM',
+	"AFTER_MAIN":		'A',
+	"AFTER_SUB":		'AS',
+	"BEFORE_SUB":		'BS',
+	"AFTER_POST":		'AP',
+	"SMVD":			'SM',
+}]
+all_shorts = [{},{}]
+
+# Add some of the values, to make them more readable, and to avoid duplicates
+
+for i in range (2):
+	for v,s in short[i].items ():
+		all_shorts[i][s] = v
+
+what = ["OT", "POS"]
+what_short = ["_OT", "_POS"]
+cat_defs = []
+for i in range (2):
+	vv = sorted (values[i].keys ())
+	for v in vv:
+		v_no_and = v.replace ('_And_', '_')
+		if v in short[i]:
+			s = short[i][v]
+		else:
+			s = ''.join ([c for c in v_no_and if ord ('A') <= ord (c) <= ord ('Z')])
+			if s in all_shorts[i]:
+				raise Exception ("Duplicate short value alias", v, all_shorts[i][s])
+			all_shorts[i][s] = v
+			short[i][v] = s
+		cat_defs.append ((what_short[i] + '_' + s, what[i] + '_' + (v.upper () if i else v), str (values[i][v]), v))
+
+maxlen_s = max ([len (c[0]) for c in cat_defs])
+maxlen_l = max ([len (c[1]) for c in cat_defs])
+maxlen_n = max ([len (c[2]) for c in cat_defs])
+for s in what_short:
+	print ()
+	for c in [c for c in cat_defs if s in c[0]]:
+		print ("#define %s %s /* %s chars; %s */" %
+			(c[0].ljust (maxlen_s), c[1].ljust (maxlen_l), c[2].rjust (maxlen_n), c[3]))
+print ()
+print ('#pragma GCC diagnostic pop')
+print ()
+print ("#define INDIC_COMBINE_CATEGORIES(S,M) ((S) | ((M) << 8))")
+print ()
+print ("#define _(S,M) INDIC_COMBINE_CATEGORIES (%s_##S, %s_##M)" % tuple(what_short))
+print ()
+print ()
+
+total = 0
+used = 0
+last_block = None
+def print_block (block, start, end, data):
+	global total, used, last_block
+	if block and block != last_block:
+		print ()
+		print ()
+		print ("  /* %s */" % block)
+	num = 0
+	assert start % 8 == 0
+	assert (end+1) % 8 == 0
+	for u in range (start, end+1):
+		if u % 8 == 0:
+			print ()
+			print ("  /* %04X */" % u, end="")
+		if u in data:
+			num += 1
+		d = data.get (u, defaults)
+		print ("%9s" % ("_(%s,%s)," % (short[0][d[0]], short[1][d[1]])), end="")
+
+	total += end - start + 1
+	used += num
+	if block:
+		last_block = block
+
+uu = sorted (indic_data)
+
+last = -100000
+num = 0
+offset = 0
+starts = []
+ends = []
+print ("static const uint16_t indic_table[] = {")
+for u in uu:
+	if u <= last:
+		continue
+	block = indic_data[u][2]
+
+	start = u//8*8
+	end = start+1
+	while end in uu and block == indic_data[end][2]:
+		end += 1
+	end = (end-1)//8*8 + 7
+
+	if start != last + 1:
+		if start - last <= 1+16*2:
+			print_block (None, last+1, start-1, indic_data)
+		else:
+			if last >= 0:
+				ends.append (last + 1)
+				offset += ends[-1] - starts[-1]
+			print ()
+			print ()
+			print ("#define indic_offset_0x%04xu %d" % (start, offset))
+			starts.append (start)
+
+	print_block (block, start, end, indic_data)
+	last = end
+ends.append (last + 1)
+offset += ends[-1] - starts[-1]
+print ()
+print ()
+occupancy = used * 100. / total
+page_bits = 12
+print ("}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy))
+print ()
+print ("uint16_t")
+print ("hb_indic_get_categories (hb_codepoint_t u)")
+print ("{")
+print ("  switch (u >> %d)" % page_bits)
+print ("  {")
+pages = set ([u>>page_bits for u in starts+ends+list (singles.keys ())])
+for p in sorted(pages):
+	print ("    case 0x%0Xu:" % p)
+	for u,d in singles.items ():
+		if p != u>>page_bits: continue
+		print ("      if (unlikely (u == 0x%04Xu)) return _(%s,%s);" % (u, short[0][d[0]], short[1][d[1]]))
+	for (start,end) in zip (starts, ends):
+		if p not in [start>>page_bits, end>>page_bits]: continue
+		offset = "indic_offset_0x%04xu" % start
+		print ("      if (hb_in_range<hb_codepoint_t> (u, 0x%04Xu, 0x%04Xu)) return indic_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset))
+	print ("      break;")
+	print ("")
+print ("    default:")
+print ("      break;")
+print ("  }")
+print ("  return _(X,X);")
+print ("}")
+print ()
+print ("#undef _")
+print ("#undef INDIC_COMBINE_CATEGORIES")
+for i in range (2):
+	print ()
+	vv = sorted (values[i].keys ())
+	for v in vv:
+		print ("#undef %s_%s" %
+			(what_short[i], short[i][v]))
+print ()
+print ('#endif')
+print ()
+print ("/* == End of generated table == */")
+
+# Maintain at least 50% occupancy in the table */
+if occupancy < 50:
+	raise Exception ("Table too sparse, please investigate: ", occupancy)