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[Emacs-diffs] trunk r118121: Update the bidirectional reordering engine
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] trunk r118121: Update the bidirectional reordering engine for Unicode 6.3 and 7.0. |
Date: |
Wed, 15 Oct 2014 14:15:17 +0000 |
User-agent: |
Bazaar (2.6b2) |
------------------------------------------------------------
revno: 118121 [merge]
revision-id: address@hidden
parent: address@hidden
parent: address@hidden
committer: Eli Zaretskii <address@hidden>
branch nick: trunk
timestamp: Wed 2014-10-15 17:11:25 +0300
message:
Update the bidirectional reordering engine for Unicode 6.3 and 7.0.
src/bidi.c (bidi_ignore_explicit_marks_for_paragraph_level): Remove
variable.
(bidi_get_type): Return the isolate initiators and terminator
types.
(bidi_isolate_fmt_char, bidi_paired_bracket_type)
(bidi_fetch_char_skip_isolates, find_first_strong_char)
(bidi_find_bracket_pairs, bidi_resolve_brackets): New functions.
(bidi_set_sos_type): Renamed from bidi_set_sor_type and updated
for the new features.
(bidi_push_embedding_level, bidi_pop_embedding_level): Update to
push and pop correctly for isolates.
(bidi_remember_char): Modified to accept an additional argument
and record the bidi type according to its value.
(bidi_cache_iterator_state): Accept an additional argument to only
update an existing state. Handle the new members of struct bidi_it.
(bidi_cache_find): Arguments changed: no lnger accepts a level,
instead accepts a flag telling it whether it is okay to return
unresolved neutrals.
(bidi_initialize): Initiate and staticpro the bracket-type uniprop
table. Initialize new isolate-related members.
(bidi_paragraph_init): Some code factored out into
find_first_strong_char.
(bidi_resolve_explicit_1): Function deleted, its code incorporated
into bidi_resolve_explicit.
(bidi_resolve_explicit): Support the isolate initiators and
terminator. Fix handling of embeddings and overrides according to
new UBA requirements. Record information about previously seen
characters here (moved from bidi_level_of_next_char).
(bidi_resolve_weak): Adapt to changes in struct members.
(FLAG_EMBEDDING_INSIDE, FLAG_OPPOSITE_INSIDE, MAX_BPA_STACK)
(STORE_BRACKET_CHARPOS, PUSH_BPA_STACK): New macros.
(bidi_resolve_neutral): Call bidi_resolve_brackets to handle the
paired bracket resolution. Handle isolate initiators and
terminator.
(bidi_type_of_next_char): Remove unneeded code for BN limit.
(bidi_level_of_next_char): Move the code that records information
about previous characters to bidi_resolve_explicit. Fix logic of
resolving neutrals and make sure their cache entries are updated.
Remove now unneeded special handling of PDF level.
src/dispextern.h (struct glyph): Enlarge the width of resolved_level.
(BIDI_MAXDEPTH): New macro, renamed from BIDI_MAXLEVEL and
enlarged per Unicode 6.3.
(enum bidi_bracket_type_t): New data type.
(struct bidi_saved_info): Leave only 2 type members out of 4.
Remove bytepos.
(struct bidi_stack): Add members necessary to support isolating
sequences.
(struct bidi_it): Add new members necessary to support isolating
sequences and bracket pair resolution.
src/xdisp.c (Fbidi_resolved_levels): New function.
(syms_of_xdisp): Defsubr it.
(append_glyph, append_composite_glyph, produce_image_glyph)
(append_stretch_glyph, append_glyphless_glyph): Convert aborts to
assertions.
(syms_of_xdisp) <inhibit-bidi-mirroring>: New variable.
src/term.c (append_glyph, append_composite_glyph)
(append_glyphless_glyph): Convert aborts to assertions.
src/.gdbinit (pgx): Display the character codepoint, resolved level,
and bidi type also for glyphless glyphs.
lisp/simple.el (what-cursor-position): Update to support the new bidi
characters.
lisp/descr-text.el (describe-char): Update to support the new bidi
characters.
admin/unidata/unidata-gen.el (unidata-prop-alist): New properties
'paired-bracket' and 'bracket-type', in support of the UBA 6.3.
(unidata-gen-table): Support PROP-IDX being a function.
(unidata-describe-bidi-bracket-type, unidata-gen-brackets-list)
(unidata-gen-bracket-type-list): New functions.
(unidata-check): Support checking the 'bracket-type' attribute.
(unidata-gen-files): Don't create backups for uni-*.el files.
admin/unidata/Makefile.in (${unidir}/charprop.el): Depend on
BidiMirroring.txt and BidiBrackets.txt.
admin/unidata/BidiBrackets.txt: New file, from Unicode.
etc/NEWS: Mention the UBA implementation update.
etc/HELLO: Remove now unneeded directional control characters.
doc/lispref/nonascii.texi (Character Properties): Document the new
properties 'bracket-type' and 'paired-bracket'.
doc/lisprefdisplay.texi (Bidirectional Display): Update the version of the
UBA to which we are conforming.
test/BidiCharacterTest.txt: New file, from Unicode.
test/biditest.el: New file.
added:
admin/unidata/BidiBrackets.txt
bidibrackets.txt-20140903160840-kwpzicrw0rcwwxk5-1
test/BidiCharacterTest.txt
bidicharactertest.tx-20140906143510-c7sljtse5ddtegj8-1
test/biditest.el biditest.el-20140906143407-7404eb7v12z0ia23-1
modified:
.bzrignore bzrignore-20091227212532-2lrlpwjsfm9i221p-1
.gitignore gitignore-20091113204419-o5vbwnq5f7feedwu-8827
admin/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-2226
admin/unidata/Makefile.in
makefile.in-20091113204419-o5vbwnq5f7feedwu-8551
admin/unidata/unidata-gen.el
unidatagen.el-20091113204419-o5vbwnq5f7feedwu-8382
doc/lispref/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-6155
doc/lispref/display.texi
display.texi-20091113204419-o5vbwnq5f7feedwu-6172
doc/lispref/nonascii.texi
nonascii.texi-20091113204419-o5vbwnq5f7feedwu-6202
etc/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-1485
etc/HELLO hello-20091113204419-o5vbwnq5f7feedwu-1082
etc/NEWS news-20141002041645-34n5fasbwydbo8t6-1
lisp/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-1432
lisp/descr-text.el
descrtext.el-20091113204419-o5vbwnq5f7feedwu-2419
lisp/simple.el simple.el-20091113204419-o5vbwnq5f7feedwu-403
src/.gdbinit gdbinit-20091113204419-o5vbwnq5f7feedwu-460
src/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-1438
src/bidi.c bidi.c-20091231194348-rm8gzug639w0dpq5-1
src/dispextern.h
dispextern.h-20091113204419-o5vbwnq5f7feedwu-218
src/term.c term.c-20091113204419-o5vbwnq5f7feedwu-220
src/xdisp.c xdisp.c-20091113204419-o5vbwnq5f7feedwu-240
test/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-8588
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Eli Zaretskii <=