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* It is even more robust now and does not remove the large document
optimization.
* And actually while problems were caused on NetBSD 10 on ARMv6,
this likely wasn't a problem on all NetBSD ports and wasn't
restricted to NetBSD. At the very least Haiku 32-bit was affected
as well.
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It should be more robust now.
The changes on CellBuffer should be reviewed again, though.
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* We can use the new SCI_SCROLLVERTICAL instead of SCI_SETFIRSTVISIBLELINE.
* The upgrade will also ease submitting the NetBSD-support patch.
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* It requires a forced refresh on startup (even though that should be the
default). Otherwise, it wouldn't print the info line correctly.
* Redirect stdin and pass it to newterm() to fix key queuing.
Probably necessary for supporting ncurses on NetBSD as well.
* Avoid doupdate() if screen is too small: fixes crashes for very
small windows.
* Updated Scintilla: There were some implicit typing assumptions,
that are broken by this platform.
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corner cases)
* pkg-config check for `ncurses` fails if it failed previously for `ncursesw`.
This is the case e.g. for ncurses from NetBSD's pkgsrc.
* No longer assume that any libncurses is not enhanced (X/Open compatible).
* SciTECO and Scinterm require to find a curses.h in the include paths.
The ncurses check must therefore not be limited to the first best
ncurses/ncurses.h and the like.
* We now always check for X/Open compatibility and always require
a curses.h in the standard directories or as given by pkg-config.
* AX_WITH_CURSES was radically rewritten and is now called AX_WITH_NCURSES.
* --with-interface=netbsd-curses gets its own detection code.
It always requires a curses.h in the standard paths and a libcurses.
It should now be fixed for real NetBSD installations if the ncurses
port is installed as well.
* Unified all of the curses-arguments to CURSES_CFLAGS and CURSES_LIBS.
There is no reason we need PDCURSES_CFLAGS, XCURSES_CFLAGS etc.
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* SCI_COLOR_PAIR() is now a function teco_color_pair() since it also became
an inline function in Scinterm.
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* If the background color would be non-black, render text in reverse
video. ncurses doesn't do that automatically.
* Fixes rendering under historical terminals like VT100 and VT240,
but also all of the monochrome versions of modern emulators in terminfo.
* This also improves the situation when $TERM is set to something conservative,
e.g. when connecting via RS232.
* Scinterm is temporarily changed to my own fork, which already contains
a monochrome patch.
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flickering when scrolling the popup window
* see https://github.com/orbitalquark/scinterm/issues/26
* scintilla_wnoutrefresh() actually caused a refresh(), thus updating the physical screen
before calling teco_curses_info_popup_noutrefresh() and doupdate().
* This was visible when redrawing the both Scintilla view and popup often as happens during
scrolling or when clicking on the popup borders.
* This was probably broken since v2.1.0.
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* Turns out that on SunOS/OmniOS the ncurses port does not ship with
a ncursesw pkg-config file, but the ncurses file is for a version,
that does contain widechar support as well.
* Instead of adding yet another recursive PKG_CHECK_MODULES() call,
we now use the AX_WITH_CURSES() macro, which is probably more robust.
This should at least fix ./configure on OmniOS.
* It also adds a number of feature C macros, that could be useful to
check in the future.
* At the moment, we strive to support all X/Open-compatible Curses
libraries, but both enhanced and color functions are required.
Therefore plain SVr4 Curses is not supported.
* source: https://www.gnu.org/software/autoconf-archive/ax_with_curses.html
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Unfortunately, it does not help with the slowdowns when editing files with very long lines.
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This does not change anything functionally.
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* I am not entirely sure whether it would be safe to bundle
api-ms-win-core-synch-l1-2-0.dll or bcryptprimitives.dll,
so I won't upstream this change yet.
* Should fix GTK/Win32 nightly builds.
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* they don't have A_ITALIC
* should fix the nightly builds
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* For instance, when using the Solarized color scheme,
comments will be in italics.
* The underline style could also be supported in color.set,
but currently it's not required.
* Unfortunately, this does *not* fix the INDIC_PLAIN indicator style for
underlining, so you still cannot use that eg. for spell checking.
* See https://github.com/orbitalquark/scinterm/issues/22
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* There are patches on top of Scintilla as were before
* Scinterm has been switched back to the upstream repository and there are unreleased
commits - especially for out-of-tree builds.
* Lexilla hasn't been released since my troff lexer was merged.
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repository again
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* You no longer have to copy contrib/scintilla, contrib/scinterm and contrib/lexilla
manually to the build directory.
* It turns out, that Scintilla/Lexilla was supporting this since 2016.
Scintilla allows pointing to a source directory (srdir) and Lexilla to a binary directory (DIR_O).
* For Scinterm I opened a pull request in order to add srcdir/basedir variables:
https://github.com/orbitalquark/scinterm/pull/21
* `make distcheck` is therefore now also fixed.
* The FreeBSD package is now allowed to build out of source.
I haven't tested it yet.
* See also https://github.com/ScintillaOrg/lexilla/issues/266
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This should not change anything functionally.
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* The patch for indicator styles turned out to be unnecessary,
so I switched back to the mainline Scinterm repository.
* Scinterm is now on the latest commit that still supports my version of Scintilla (v5.3.4).
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* The scinterm submodule temporarily points to my own fork.
* This is necessary for the aspell macro on Curses.
See https://github.com/rhaberkorn/sciteco/wiki/Useful-Macros#spell-checker
* See also https://github.com/orbitalquark/scinterm/pull/19
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* This is optimized for Groff, but works for Heirloom Troff and Neatroff as well.
Currently, the Heirloom and Neatroff requests are just added ontop of the Groff
ones. Theoretically, we could also try to separate the keyword lists into
a base K&R set with Groff, Heirloom and Neatroff ontop.
* The lexer necessarily has many restrictions, as Troff is fundamentally unparseable
(like classic TECO) and needs a lot of per-request knowledge.
* The "*.mm" extension has been removed from the lexers/cpp.tes.
I don't know what language this was for, and I prefer `*.mm` files
to be considered Troff.
* Temporarily changed the lexilla submodule URL.
The corresponding Lexila lexer is in the process of being upstreamed.
Once it is, I will probably revert the submodule to the official repository,
as the "troff" branch is not stable (can be rebased).
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g_object_unref()
* Turns out that using gtk_widget_destroy(), the finalize handler never gets called!?
This means we were leaking memory.
* Using g_object_unref() fixes that and the initial Scintilla patch is no longer necessary.
* There have previously been use-after-free bugs when *not* using gtk_widget_destroy().
This has apparently been fixed in the meantime in Scintilla.
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* the GObject lifecycle was violated, resulting in use-after-free scenarios
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Scintilla now
* The patch avoids all automatic scrolling consistently, including in SCI_UNDO.
This speads up Undo (especially after interruptions).
* Also, the patch disables a very costly and pointless (in SciTECO) algorithm that
effectively made <Ix$> uninterruptible.
* Effectively reverts large parts of 8ef010da59743fcc4927c790f585ba414ec7b129.
I have never liked using unintuitive Scintilla messages to avoid scrolling.
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* actually everything is updated to their current HEADs but the aforementioned versions are close.
* Scintilla uses threads now, so we added checks for pthread.
To be on the safe side, we imported AX_PTHREAD from the Autoconf archives.
The flags are kept out of the ordinary build system, though and used only for compiling Scintilla
and for linking.
SciTECO may also use threads, but via Glib.
* Scinterm removed SCI_COLOR_PAIR(), so we re-added it to src/interface-curses/interface.c.
* There is an Asciidoc lexer now.
* The <Ix$> interruption bug (see TODO) is not fixed by this upgrade.
Perhaps the Mac OS version runs better now. Feedback is needed (refs #12).
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* These are apparently "Microsoft DirectX Typography Services"
* patch should be contributed upstream
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* mingw-bundledlls finds and copies transitive DLL dependencies.
* Like all external one-file sources, mingw-bundledlls has been copied into contrib/
instead of adding a submodule.
It's taken from here: https://github.com/mpreisler/mingw-bundledlls
* Packaging is more robust now if dependant DLLs are upgraded or if we
decide to link in more statically.
With the old scheme, we might also miss some DLL and break builds
without even noticing it.
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* This simplifies writing CFLAGS="-g -O0" CXXFLAGS="-g -O0".
* We build "release" binaries by default.
NDEBUG will now be defined unless you specify --enable-debug.
This enables some optimizations that have long been implemented but were never actually active:
* SciTECO shuts down faster since it will not explicitly free memory.
On the downside, this would complicate memory debugging with Valgrind/memcheck.
* dlmalloc is built with -DINSECURE=1 which is supposedly a bit faster.
Some compilers also complained about an unportable preprocessor usage which should
now be gone.
* All CI builds are now with --enable-debug.
This will slow them down but ensure that more code is executed and thus tested.
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scrolling
* the bug probably wasn't a regression compared to v0.6.4
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* The default build system includes -arch arm64 -arch x86_64
(builds for both platforms).
These flags are apparently not supported by the SDK on the
build server.
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* saves some build time
* fixes Win32 Gtk+ builds
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* Previous Scintilla version was 3.6.4 and Scinterm was 1.7 (with lots of custom patches).
All of the patches are now either irrelevant or have been merged upstream.
* Since Scintilla 5 requires C++17, this increases the minimum GCC version at least
to 5.0. We may actually require even newer versions.
* I could not upgrade the scintilla-mirror (which was imported from Mercurial),
so the old sciteco-dev branch was renamed to sciteco-dev-pre-v2.0.0,
master was deleted and I reimported the entire Scintilla repo using
git-remote-hg.
This means that scintilla-mirror now contains two entirely separate trees.
But it is still possible to clone old SciTECO repos.
* The strategy/workflow of maintaining hotfix branches on scintilla-mirror has been changed.
Instead of having one sciteco-dev branch that is rebased onto new Scintilla upstream
releases and tagging SciTECO releases in scintilla-mirror (to keep the commits referenced),
we now create a branch for every Scintilla version we are based on (eg. sciteco-rel-5-1-3).
This branch is never rebased or deleted. Therefore, we are guaranteed to be able to
clone arbitrary SciTECO repo commits - not only releases.
Releases no longer have to be tagged in scintilla-mirror.
On the downside, fixup commits may accumulate in these new branches.
They can only be squashed once a new branch for a new Scintilla release is created
(e.g. by cherry-picking followed by rebase).
* Scinterm does no longer have to reside in the Scintilla subdirectory,
so we added it as a regular submodule.
There are no more recursive submodules.
The Scinterm build system has not been improved at all, but we use
a trick based on VPATH to build Scinterm in scintilla/bin/.
* Scinterm is now in Git and we reference the upstream repo for the
time being.
We might mirror it and apply the same branching workflow as with Scintilla
if necessary.
The scinterm-mirror repository still exists but has not been touched.
We will also have to rewrite its master branch as it was a non-reproducible
Mercurial import.
* Scinterm now also comes with patches for Scintilla which we simply applied
on our sciteco-rel-5-1-3 branch.
* Scintilla 5 outsourced its lexers into the Lexilla project.
We added it as yet another submodule.
* All submodules have been moved into contrib/.
* The Scintilla API for setting lexers has consequently changed.
We now have to call SCI_SETILEXER(0, CreateLexer(name)).
As I did not want to introduce a separate command for setting lexers,
<ES> has been extended to allow setting lexers by name with the SCI_SETILEXER
message which effectively replaces SCI_SETLEXERLANGUAGE.
* The lexer macros (SCLEX_...) no longer serve any purpose - they weren't used
in the SciTECO standard library anyway - and have consequently been removed
from symbols-scilexer.c.
The style macros from SciLexer.h (SCE_...) are theoretically still useful - even
though they are not used by our current color schemes - and have therefore been
retained. They can be specified as wParam in <ES>.
* <ES> no longer allows symbolic constants for lParam.
This never made any sense since all supported symbols were always wParam.
* Scinterm supports new native cursor modes.
They are not used for the time being and the previous CARETSTYLE_BLOCK_AFTER
caret style is configured by default.
It makes no sense to enable native cursor modes now since the
command line should have a native cursor but is not yet a Scintilla view.
* The Scintilla upgrade performed much worse than before,
so some optimizations will be necessary.
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don't build an empty libdlmalloc
* on some platforms (eg. Darwin/mac OS) we cannot apparently build empty
convenience libraries
* instead, we use conditional subdirectories and a conditional library dependency
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`-fno-optimize-strlen` is not supported on Clang and there is no way
to ignore unknown arguments.
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This is a total conversion of SciTECO to plain C (GNU C11).
The chance was taken to improve a lot of internal datastructures,
fix fundamental bugs and lay the foundations of future features.
The GTK user interface is now in an useable state!
All changes have been squashed together.
The language itself has almost not changed at all, except for:
* Detection of string terminators (usually Escape) now takes
the string building characters into account.
A string is only terminated outside of string building characters.
In other words, you can now for instance write
I^EQ[Hello$world]$
This removes one of the last bits of shellisms which is out of
place in SciTECO where no tokenization/lexing is performed.
Consequently, the current termination character can also be
escaped using ^Q/^R.
This is used by auto completions to make sure that strings
are inserted verbatim and without unwanted sideeffects.
* All strings can now safely contain null-characters
(see also: 8-bit cleanliness).
The null-character itself (^@) is not (yet) a valid SciTECO
command, though.
An incomplete list of changes:
* We got rid of the BSD headers for RB trees and lists/queues.
The problem with them was that they used a form of metaprogramming
only to gain a bit of type safety. It also resulted in less
readble code. This was a C++ desease.
The new code avoids metaprogramming only to gain type safety.
The BSD tree.h has been replaced by rb3ptr by Jens Stimpfle
(https://github.com/jstimpfle/rb3ptr).
This implementation is also more memory efficient than BSD's.
The BSD list.h and queue.h has been replaced with a custom
src/list.h.
* Fixed crashes, performance issues and compatibility issues with
the Gtk 3 User Interface.
It is now more or less ready for general use.
The GDK lock is no longer used to avoid using deprecated functions.
On the downside, the new implementation (driving the Gtk event loop
stepwise) is even slower than the old one.
A few glitches remain (see TODO), but it is hoped that they will
be resolved by the Scintilla update which will be performed soon.
* A lot of program units have been split up, so they are shorter
and easier to maintain: core-commands.c, qreg-commands.c,
goto-commands.c, file-utils.h.
* Parser states are simply structs of callbacks now.
They still use a kind of polymorphy using a preprocessor trick.
TECO_DEFINE_STATE() takes an initializer list that will be
merged with the default list of field initializers.
To "subclass" states, you can simply define new macros that add
initializers to existing macros.
* Parsers no longer have a "transitions" table but the input_cb()
may use switch-case statements.
There are also teco_machine_main_transition_t now which can
be used to implement simple transitions. Additionally, you
can specify functions to execute during transitions.
This largely avoids long switch-case-statements.
* Parsers are embeddable/reusable now, at least in parse-only mode.
This does not currently bring any advantages but may later
be used to write a Scintilla lexer for TECO syntax highlighting.
Once parsers are fully embeddable, it will also be possible
to run TECO macros in a kind of coroutine which would allow
them to process string arguments in real time.
* undo.[ch] still uses metaprogramming extensively but via
the C preprocessor of course. On the downside, most undo
token generators must be initiated explicitly (theoretically
we could have used embedded functions / trampolines to
instantiate automatically but this has turned out to be
dangereous).
There is a TECO_DEFINE_UNDO_CALL() to generate closures for
arbitrary functions now (ie. to call an arbitrary function
at undo-time). This simplified a lot of code and is much
shorter than manually pushing undo tokens in many cases.
* Instead of the ridiculous C++ Curiously Recurring Template
Pattern to achieve static polymorphy for user interface
implementations, we now simply declare all functions to
implement in interface.h and link in the implementations.
This is possible since we no longer hace to define
interface subclasses (all state is static variables in
the interface's *.c files).
* Headers are now significantly shorter than in C++ since
we can often hide more of our "class" implementations.
* Memory counting is based on dlmalloc for most platforms now.
Unfortunately, there is no malloc implementation that
provides an efficient constant-time memory counter that
is guaranteed to decrease when freeing memory.
But since we use a defined malloc implementation now,
malloc_usable_size() can be used safely for tracking memory use.
malloc() replacement is very tricky on Windows, so we
use a poll thread on Windows. This can also be enabled
on other supported platforms using --disable-malloc-replacement.
All in all, I'm still not pleased with the state of memory
limiting. It is a mess.
* Error handling uses GError now. This has the advantage that
the GError codes can be reused once we support error catching
in the SciTECO language.
* Added a few more test suite cases.
* Haiku is no longer supported as builds are instable and
I did not manage to debug them - quite possibly Haiku bugs
were responsible.
* Glib v2.44 or later are now required.
The GTK UI requires Gtk+ v3.12 or later now.
The GtkFlowBox fallback and sciteco-wrapper workaround are
no longer required.
* We now extensively use the GCC/Clang-specific g_auto
feature (automatic deallocations when leaving the current
code block).
* Updated copyright to 2021.
SciTECO has been in continuous development, even though there
have been no commits since 2018.
* Since these changes are so significant, the target release has
been set to v2.0.
It is planned that beginning with v3.0, the language will be
kept stable.
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