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Board and web have no spawn. An unknown word there used to fall through to the command path and do nothing visible; now it answers with a failure the caller sees.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A CRLF became two line ends, the blank line ending a Python block; an ESC in
the text, ESC[201~ above all, could end a bracketed paste early; and on the
board, whose writes are 128 effects of 64 bytes with nothing pending, a send
past 8 KB was cut and lost its closing ESC[201~ and Enter, leaving the REPL
in a paste. Lines now end in LF alone, ESC and every control byte but tab and
newline are dropped, and a send larger than can be written at once
(Pardes.writeRoom) is refused with a message instead of cut.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The watcher woke the host a second time 60 ms after the exit by its own clock
while the grace was counted from the reap: a host busy for 10 ms missed it,
and the tag said running for ever and Kill did nothing; and under load exit 0
could land before the last output. As decided, no timer: the exit is told
once it is reaped and the pty says nothing is left (poll: no POLLIN, and no
POLLHUP, which means the end of file is on its way behind the output), else
at that end of file, checked after each chunk of output. The tty host checks
inside its step so the frame shows it. The four hosts' copies are one
host_io.takeExits/commandEof, which close a told command's pty at its end of
file (the fd and the GUI's reader leaked when the exit came first). A
finished command pane whose pty a job it left still holds is not reused, so
that job is not hung up; and the reset before a reuse is SGR 0, not DECSTR,
which ghostty's stream does not implement.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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the REPL
The execute key and the middle click marked a global flag that the first
execute cleared, so of several selections executed at once only the first
reached a bound REPL and the rest ran as commands. Where an exec came from
now goes with it, as acme's execute() asks of its Text (exec.c:122,169):
builtins.Ctx carries from_body, runBuiltinFrom and executeFrom take it, the
gestures set it, and chordEachSel sets it for each selection.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A binding outlived its program: a command pane reused kept the REPL of the
command before, a done command pane could be bound, a document pane (a
terminal with no emulator) was accepted, and after Ctrl-D in python3 the text
went to the shell, which ran import os as ImageMagick's. A command pane's
binding now ends with its command and a done one is refused, a pane with no
emulator is refused, and an interactive terminal's REPL is live only while a
program other than its shell holds the tty (the host's tty_taken); when none
of the language's REPLs is, nothing is sent or run and the pane says so.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Tty /nonexistent or Tty fsh started the host's fallback shell without a word,
and when spawnTty made no pane, the argument became the calling pane's shell.
Tty now looks the shell up first and fails 'Tty: no shell "fsh"' when it is
neither a name on the usual paths nor a path to one; spawnTty answers the pane
it made, the one given the shell, and says why when it made none. The lookup
(host_io Shell.find) gives the turn up around its access() calls, since a
typed path may be under a mount this editor serves, and forkShell copies the
pane's shell before looking it up and checks the pane is still its own after.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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its pane
run logged the line's first word only, and before the new record of the pane
it ran in, since panes are announced at the end of a step. It now carries the
whole line as msg carries its text (control characters, newlines too, as
spaces), and announces the new pane first.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Only a reused pane showed '% line' above its command, so the first command's
output stood with nothing saying what made it. Every command is echoed now,
the first too. The goldens of chordcut, cmdexit, cmdword and layout-open gain
that line and the rows below it move down one.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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never panics on a longer prefix
A two-line exec made a command pane whose tag prefix held the line's newline,
so the tag ran to a second row and tagTintRange sliced its first row past its
end: panic. acme runs a multi-line selection as one command, and so does
pardes; the tag now shows the line's first row, cut at a character's start,
and '...', tagTintRange stays inside the row it is given, and the '% line'
echo turns the line's newlines into the terminal's, so it does not
staircase.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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language's files
Repl python in a terminal's tag or on its ctl binds it (Repl - unbinds, Repl
bare says the binding, the same word again changes nothing), with an id,
python-a, python-b, in its tag. An exec made by a gesture on the body of a
file in that language -- a middle click or the execute key, on any text, a
single word too -- or on the REPL's own body is typed into it, bracketed if
its program asked for that, else line by line with a once-said warning for
Python's blank lines, then Enter; the message row says -> python-a in the
tag's name tint, the log send <from> <to> <id>. Several bound for the
language: the pane asks which on its notice band, as Del asks, one key
answering, Esc none, nothing remembered. The gesture is known where it is
dispatched (mouse.zig, the execute key), so the tag's words, Exec <text> run
by name and a command word @`cmd` stay commands, and a 9P exec is never
sent. A finished command pane is no REPL; bindings are not dumped. The docs
spell out the escapes, the pdb and input() caveat and the no-bracketed-paste
papercut.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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command
A program that crashed out of a full screen left the command pane's emulator
in the alternate screen with mouse reports, bracketed paste or a hidden cursor
on, and the next command ran in that. Before the '% line' separator the pane
now leaves the alternate screen, turns those modes off and soft-resets
(DECSTR). The docs add that a command which clears the screen and its
scrollback erases the pane's history above it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Every builtin that takes an argument split a word at its first +, so
Dump+2024.zon ran Dump with 2024.zon. A builtin now opts in with plus_arg,
read by the registry, and only Tty does.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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retaken spawns nothing
The spawn effect carried only a slot, and the host read the command and shell
off whatever pane held the slot as it forked: a command pane closed and its
slot taken by the next one before the effects ran forked the new pane's
command twice. The effect now carries the pane's serial and is dropped when
the slot holds another; forkShell checks it again after giving up the turn
for its directory's stat, the one moment a 9P client can change the panes
under it. Every front end performs spawns with the turn, from its step.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A terminal's tag said Tty whatever shell it ran. The host's acknowledgement
of the shell it forked now sets the word to Tty+<shell>, tinted like the tag's
name. Word+arg is taken as Word arg, one word a tag can hold and a click can
take whole (+ is a word character), so Tty+fish opens a terminal on fish, as
Tty fish does; Tty takes the shell as its argument, which the host forks for
that pane instead of the configured one. Every snapshot whose screen shows a
terminal's tag changes: 69 goldens, re-recorded by name, whose 297 changed
lines are all Tty becoming Tty+bash (the harness runs bash), the cursor
columns and style spans that moved with it, or that text cut at a pane's
width.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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shell's prompt
A middle click, an exec write or a tag word that no builtin knows was typed
into some terminal for the pane's directory, sharing whatever state that
shell was in and answering nothing, so a misspelling vanished into a shell.
Now only a line clicked at an interactive terminal's prompt is typed there.
From anywhere else it runs as a command pane: a terminal whose child is
$SHELL -c the line in the pane's directory, full emulation, which shows its
output and then exit N from the host's reaping of the child, and stays. A
finished command pane is the next command's for its directory, which runs
below what it showed after a '% line' line (acme appends to +Errors and never
clears it, util.c:213); a running one gets a second pane. Kill ends a command
pane's whole process group, the log records run and exit, exec reads back the
command pane's serial, and a line is at most 1 KB, read off the pane as the
host forks rather than carried in every spawn effect. ttyForDir's search for
a free shell is gone. The goldens of chordcut, cmdword and layout-open change
where a file's exec now opens a command pane, and ttytaken is rewritten to
exec from the terminal itself; docs/open-questions.md records the decision.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Both did nothing without a word, from a click or a ctl write alike, and a
script could not tell a no-op from success. Joincol in the rightmost column
now fails 'Joincol: no column to the right'. A Theme name that is none says so
and names the themes sharing its first letter, since all of them (ThemeSel
lists them) are too many for a message or a refused write; a startup config
line still fails quietly, as its other bad lines do.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Kill quit the editor, which in acme is Exit; acme's Kill stops the
commands it started. Exit now quits as acme's does (exec.c, rowclean):
it refuses once, naming each pane with unsaved text, and quits when
asked again with nothing edited since (a small scratch is not asked
about). Kill, bare or with names, stops the commands pardes typed into a
terminal (an exec, a middle click, a pty/run) while their shell's marks
say they run, by SIGTERM to the terminal's foreground job, never to the
shell (acme posts the kill note, which terminates). Both are session
builtins; the topbar's Kill becomes Exit, same width, and every golden's
topbar row changed by exactly that word (checked line by line); the
builtins script scrolls one more row for the index's new line.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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selection is on or off
Giving panel and scene effects on/off made every switch a word that takes
an argument, so a middle click on Verbose or PanelSlide with other text
selected passed that text as its value and failed. The click path now
passes a held selection to a switch only when it says on or off, and the
word flips as it did bare; a ctl write is still checked strictly. The
topbarexec golden had been recorded with that failure (Debug clicked with
a sweep opening nothing, the very thing the script says it guards); it
now shows the overlay again.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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With tags reduced to Texts, what is left of them is the computed prefix, the
default and saved tails, entering and leaving a tag and the headers: that goes
to tagline.zig, as acme keeps the tag half of a window in wind.c. Tag and
header drawing moves next to body drawing in body_layer.zig, and the tag hit
helpers go to tag_layer.zig with the Hit they read, where sameCell now also
tells the lines of a taller tag apart. The docs describe the tag as a Text.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A tag that is a text can hold a newline, and the tagline, the body under it
and the pointer all assumed one row. The pane's tag now takes a row per line
(up to eight, and never the body's last row); the body starts below it, the
rows a pointer counts start the body after the tag's lines, a click on any
line puts the tag's cursor there, and a pixel shell gets a tag layer per
line. A tag of one line draws exactly as before.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The tag was a fixed buffer with its own one-line editor, a cursor measured
across the path, and a hijack of the body's mode while it was typed into.
It is now the pane's second Text: its own characters after the computed
prefix (path, dirty marker, PDF page), which is never stored in it, so a
rename or a dirty marker never moves its cursor. Normal and insert mode are
the body's, undo included; `:` moves the keyboard between body and tag, the
tag remembers its cursor and starts on Save, and executing a word from it
hands the keyboard back. The mouse still sees the prefix: a sweep selects
across it and a click on the path drafts a new name.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A search, pipe or Save prompt wrote its marker and answer onto the end of
the tag, so the tag's cursor, its selection, its 9P writes and a prompt
abandoned by a click all shared one buffer: the abandoned text stayed in
the tag and a 9P write landed inside the prompt. The answer is now its own
Text on the pane, typed in insert mode and shown on the notice band where
it was already drawn, and the tag never holds any of it.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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acme keeps what edits a text in its Text (dat.h:171-190) and the window
holds a body and a tag of that type. The cursor, the selections, the modal
state and the edit-buffer undo move off Pane into Text.zig, Pane holds
them as its body, and the edit and normal-mode operations take the Text
they edit. Nothing changes in behaviour; this is the step that lets the
tag become a second Text.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Pure move, no behaviour change (acme keeps this in exec.c): execute,
commandText, max_exec_depth, executeBuiltinLine, applyStartupConfig,
runBuiltin and applySettingBuiltin; the getarg-style operand code
(withArg, PointerOperand, pointerOperand, heldSelection, chordEachSel);
takesCommandLine and the terminals commands run in (spawnTty, spawnV9fsTty,
spawnTtyWithMount, evictLonePristineTty, replaceStillborn, ttyForDir);
placeDoc; and the save path (submitSave, saveFile, saveTo, askWrite), with
the acme-chords test, go verbatim to exec.zig.
The methods become free functions taking `p: *Pardes`. executeBuiltinLine
is called from ~170 places as `p.executeBuiltinLine(..)`, so Pardes keeps
one declaration alias for it and those call sites stay; the other 104 calls
change from `p.execute(..)` to `exec.execute(p, ..)`. ninep/ctl.zig has a
local named exec, so it writes `pardes.exec.execute` instead of importing
the file.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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