Chris Hanson [Fri, 12 Apr 1991 03:20:58 +0000 (03:20 +0000)]
Add new primitives `directory-open-noread' and
`directory-read-matching', to facilitate filename completion.
Arthur Gleckler [Fri, 12 Apr 1991 00:12:11 +0000 (00:12 +0000)]
Make CLEAR-POINT, DRAW-LINE-TO, DRAW-POINT, GRAPHICS-TEXT, and
POSITION-PEN all automatically call INIT-GRAPHICS if graphics hasn't
already been initialized. CLEAR-GRAPHICS already does this.
Chris Hanson [Thu, 11 Apr 1991 03:24:32 +0000 (03:24 +0000)]
Implement new I/O port operations READ-SUBSTRING and WRITE-SUBSTRING
that do block I/O to or from part of a given string.
Chris Hanson [Thu, 11 Apr 1991 03:20:55 +0000 (03:20 +0000)]
Various changes. Requires runtime version 14.115 or later.
Chris Hanson [Thu, 11 Apr 1991 03:18:53 +0000 (03:18 +0000)]
Implement cost analysis to estimate when scrolling is likely to be
more expensive than just redrawing, and forbid scrolling in those
cases. This eliminates nasty problem of C-v doing very slow scrolling
operation to save two lines that could be redrawn in much less time.
Chris Hanson [Thu, 11 Apr 1991 03:15:44 +0000 (03:15 +0000)]
When drawing a new line over an old one that is known to be blank,
don't draw either leading or trailing spaces; previously was drawing
leading spaces in this case. Also implement procedure to estimate the
cost of drawing a specific screen line, for use in scrolling
optimization.
Chris Hanson [Thu, 11 Apr 1991 03:12:28 +0000 (03:12 +0000)]
Change dired to use an `ls' subprocess rather than built-in
primitives. This is both faster and somewhat more flexible. Also
implement most of the dired commands that were missing from Edwin.
Still missing: compression commands and view mode command.
Chris Hanson [Thu, 11 Apr 1991 03:06:39 +0000 (03:06 +0000)]
Change `shell-command' and `shell-command-region' to accept any mark
as the output mark, and convert it into an appropriate left-inserting
mark.
Chris Hanson [Thu, 11 Apr 1991 03:04:45 +0000 (03:04 +0000)]
Re-enable parenthesis matching in typein window. Change "off-window"
matching message to be prefixed by "Matching ".
Chris Hanson [Mon, 8 Apr 1991 22:34:59 +0000 (22:34 +0000)]
*** empty log message ***
Chris Hanson [Mon, 8 Apr 1991 22:26:18 +0000 (22:26 +0000)]
Eliminate unused variable.
Chris Hanson [Mon, 8 Apr 1991 22:20:21 +0000 (22:20 +0000)]
Cache default display so that the trivial dumb use of this procedure
does not result in multiple connections to the X server.
Guillermo J. Rozas [Sat, 6 Apr 1991 06:51:33 +0000 (06:51 +0000)]
Define student-pp that understands old-style arguments.
Guillermo J. Rozas [Sat, 6 Apr 1991 06:34:33 +0000 (06:34 +0000)]
Make pp be bound to student-pp.
Guillermo J. Rozas [Sat, 6 Apr 1991 06:13:53 +0000 (06:13 +0000)]
Patch syntax table so that MAKE-ENVIRONMENT works.
Guillermo J. Rozas [Sat, 6 Apr 1991 05:23:30 +0000 (05:23 +0000)]
Fix bug with making [] extended alphabetic.
char-set/atom-delimiters must be changed in the parser to exclude [].
Otherwise the parser goes into an infinite loop since when peeking any
of them, we will read until a delimiter is found, but it will work as
a delimiter, so the empty string will be interned, and we will
dispatch on the peeked char again, ...
Chris Hanson [Wed, 3 Apr 1991 04:36:24 +0000 (04:36 +0000)]
Fix bug that prevented override message from being written at the
right time in some circumstances.
Chris Hanson [Wed, 3 Apr 1991 04:26:03 +0000 (04:26 +0000)]
Fix bug that made C-u TAB work incorrectly under some conditions.
Chris Hanson [Wed, 3 Apr 1991 04:21:15 +0000 (04:21 +0000)]
Catch errors that happen while reading expressions from a buffer.
Chris Hanson [Wed, 3 Apr 1991 04:09:58 +0000 (04:09 +0000)]
Catch errors that happen while reading expressions from a buffer.
Chris Hanson [Wed, 3 Apr 1991 04:03:30 +0000 (04:03 +0000)]
When marking buffers for deletion, use D instead of K.
Chris Hanson [Wed, 3 Apr 1991 04:01:47 +0000 (04:01 +0000)]
*** empty log message ***
Chris Hanson [Wed, 3 Apr 1991 04:00:46 +0000 (04:00 +0000)]
Fix bug that prevented the typein window from being correctly updated
when a message was erased.
Chris Hanson [Wed, 3 Apr 1991 03:59:52 +0000 (03:59 +0000)]
Fix fencepost error in `scroll-lines-up'.
Chris Hanson [Wed, 3 Apr 1991 00:51:09 +0000 (00:51 +0000)]
`block/next-continuation-offset', when it found that the next thing up
on the stack was an "always-known" continuation, failed to take that
continuation's offset into account when determining the distance to
the continuation above that.
Chris Hanson [Wed, 3 Apr 1991 00:18:20 +0000 (00:18 +0000)]
In `shell-command-region', if the region is empty, must close the
input channel of the subprocess.
Chris Hanson [Wed, 3 Apr 1991 00:12:37 +0000 (00:12 +0000)]
*** empty log message ***
Chris Hanson [Wed, 3 Apr 1991 00:12:07 +0000 (00:12 +0000)]
Fix think-o in `group-delete!'.
Chris Hanson [Tue, 2 Apr 1991 19:56:05 +0000 (19:56 +0000)]
Change mark data structure to store index instead of position.
Eliminate `mark-position' operation, which is no longer useful.
These changes require microcode version 11.73 or later.
Chris Hanson [Tue, 2 Apr 1991 19:45:32 +0000 (19:45 +0000)]
Update description of Edwin mark structure to match change in Edwin
version 3.31. Previous versions of Edwin will not work correctly with
this microcode.
Chris Hanson [Tue, 2 Apr 1991 00:06:29 +0000 (00:06 +0000)]
In `block/next-continuation-offset', if the next continuation is
always known, then it won't be pushed and the offset must include the
distance to the next continuation after that.
Chris Hanson [Tue, 2 Apr 1991 00:01:37 +0000 (00:01 +0000)]
Fix bugs associated with continuation lines: when scrolling, lines
that are continued off the top or bottom of the window must be redrawn
instead of scrolled. Also fix typo in last change that caused
continued lines to draw only their last line in most cases.
Chris Hanson [Mon, 1 Apr 1991 19:47:25 +0000 (19:47 +0000)]
In `maybe-scroll', if the lines are being scrolled off the window,
don't forget to deallocate the structures used to describe them.
Chris Hanson [Mon, 1 Apr 1991 19:46:00 +0000 (19:46 +0000)]
Fix bug: lines that were clipped at a window's top were not being
drawn correctly.
Chris Hanson [Mon, 1 Apr 1991 10:08:00 +0000 (10:08 +0000)]
* Redesign redisplay to get line-contents strings from the screen
abstraction and write directly on those strings, thus avoiding much
intermediate copying and the consequent computation. Eliminate as
much intermediate consing as possible from the image-generation
code.
* Eliminate `string-base' window class, which was storing too much
information for each buffer line. Instead, use new `outline'
abstraction, which keeps track of two pieces of information for each
line: the number of characters in the line and the height of the
line's image on the screen. This is all that is needed when
computing what needs to be redrawn -- all other information is
already being stored in the screen abstraction.
* New `outline' and `o3' objects are explicitly managed for each
window. Instead of being discarded after use, they are saved for
reuse later, preventing the generation of garbage during most
redisplay.
* Fix bug in redisplay: if the image of the last line in a window
extends past the bottom of the window, and the point moves, we must
check to see if it has gone offscreen, even if it is on a displayed
line.
Chris Hanson [Mon, 1 Apr 1991 10:04:29 +0000 (10:04 +0000)]
If a buffer has a `display-start' mark, and the buffer is narrowed,
the `display-start' must be eliminated if it is outside the narrowed
region.
Chris Hanson [Mon, 1 Apr 1991 06:15:49 +0000 (06:15 +0000)]
Fix bug that prevented "//" at end of pathname string from meaning
"/".
Chris Hanson [Mon, 1 Apr 1991 06:14:27 +0000 (06:14 +0000)]
Fix bug that caused dired buffer of "/" to have the name "*random*".
Guillermo J. Rozas [Fri, 29 Mar 1991 01:27:27 +0000 (01:27 +0000)]
Add JMiller's comments and make some edits incorporating some
suggestions by JMiller, MarkF, and Arthur.
Guillermo J. Rozas [Thu, 28 Mar 1991 20:09:23 +0000 (20:09 +0000)]
Make the compiler interface reset itself after restarting a dumped
scheme. On some machines, the cache description needs to be recached.
Guillermo J. Rozas [Thu, 28 Mar 1991 20:08:35 +0000 (20:08 +0000)]
Some patches for the NeXT, and other cacheing 68040s.
Guillermo J. Rozas [Thu, 28 Mar 1991 20:07:53 +0000 (20:07 +0000)]
Change NeXT cache flushing code because "trap #2" does not preserve
%d0.
Guillermo J. Rozas [Thu, 28 Mar 1991 20:07:19 +0000 (20:07 +0000)]
Eliminate unnecessary parentheses that were confusing Asmcvt.
Guillermo J. Rozas [Thu, 28 Mar 1991 18:45:19 +0000 (18:45 +0000)]
Bump symbol table size for HP C compiler.
Guillermo J. Rozas [Thu, 28 Mar 1991 05:38:47 +0000 (05:38 +0000)]
Fix initialization of aggregate variable to accommodate the HP C
compiler.
Guillermo J. Rozas [Thu, 28 Mar 1991 05:37:46 +0000 (05:37 +0000)]
The HP compiler can't handle x11base.c unless the symbol table size is
bumped.
Guillermo J. Rozas [Thu, 28 Mar 1991 05:36:55 +0000 (05:36 +0000)]
Add jinxscheme that includes the dump-world primitive.
Guillermo J. Rozas [Thu, 28 Mar 1991 05:36:14 +0000 (05:36 +0000)]
Add some site conditionalization so that the same binaries will work
for both 7.0 and 7.05 (the sources already did).
Change #error into #include "error:.." because HP's cpp does not
understand it even though it is in the ANSI standard.
Guillermo J. Rozas [Thu, 28 Mar 1991 05:23:11 +0000 (05:23 +0000)]
Change #error into #include "error:.." because HP's cpp does not
understand it even though it is in the ANSI standard.
Guillermo J. Rozas [Thu, 28 Mar 1991 05:22:07 +0000 (05:22 +0000)]
Fix non-portable cpp hack in the definition of sighnd_stop.
Chris Hanson [Thu, 28 Mar 1991 00:17:40 +0000 (00:17 +0000)]
Don't use temporary messages to flash matching parentheses in the
minibuffer.
Chris Hanson [Wed, 27 Mar 1991 23:36:34 +0000 (23:36 +0000)]
Fix thinko in `make-comint'.
Guillermo J. Rozas [Tue, 26 Mar 1991 18:46:30 +0000 (18:46 +0000)]
Add handling of floating point in assembly language for generic
arithmetic.
Guillermo J. Rozas [Tue, 26 Mar 1991 13:14:54 +0000 (13:14 +0000)]
Starting loop boundary on heap-clearing loop in allocate_closure was
incorrect.
Mark Friedman [Mon, 25 Mar 1991 22:03:47 +0000 (22:03 +0000)]
Fixed bug about boa-constructors of record types.
Guillermo J. Rozas [Sun, 24 Mar 1991 23:54:42 +0000 (23:54 +0000)]
Fix bug in CMP and CMPI instructions.
Guillermo J. Rozas [Sun, 24 Mar 1991 23:53:41 +0000 (23:53 +0000)]
Conditionalization and changes for 68040 format closures.
Guillermo J. Rozas [Sun, 24 Mar 1991 23:53:02 +0000 (23:53 +0000)]
Initial revision
Guillermo J. Rozas [Sun, 24 Mar 1991 05:12:26 +0000 (05:12 +0000)]
Choose alternate MC68k closure format that works on the MC68040.
Guillermo J. Rozas [Sun, 24 Mar 1991 05:11:17 +0000 (05:11 +0000)]
Initial revision
Guillermo J. Rozas [Sun, 24 Mar 1991 05:06:11 +0000 (05:06 +0000)]
read_a_char was not handling \t and \b correctly.
Guillermo J. Rozas [Sun, 24 Mar 1991 03:01:13 +0000 (03:01 +0000)]
Fix a problem with allocate_closure: All words must be initialized in
order to make the heap parseable. This is needed by relocate_block
after disk-restore.
Guillermo J. Rozas [Sun, 24 Mar 1991 01:22:54 +0000 (01:22 +0000)]
Specifying ci_version or ci_processor imply upgrade_cc.
This makes the command lines used for the cross-compiler much terser.
Guillermo J. Rozas [Sun, 24 Mar 1991 01:10:22 +0000 (01:10 +0000)]
Cast pointer to avoid compiler warning.
Guillermo J. Rozas [Sun, 24 Mar 1991 00:46:41 +0000 (00:46 +0000)]
Fix allocate_closure.
Chris Hanson [Sat, 23 Mar 1991 02:22:45 +0000 (02:22 +0000)]
Fix typo in `predict-start-line'.
Chris Hanson [Sat, 23 Mar 1991 01:17:36 +0000 (01:17 +0000)]
Supply missing case in unassigned variable trap.
Guillermo J. Rozas [Fri, 22 Mar 1991 06:28:50 +0000 (06:28 +0000)]
Move cache flushing code out of the 68040 region since it is needed
even when using the 68020 format.
Guillermo J. Rozas [Fri, 22 Mar 1991 06:27:54 +0000 (06:27 +0000)]
Move NOP macro from cmpint.c to cmpgc.h since it is also needed
elsewhere.
Guillermo J. Rozas [Fri, 22 Mar 1991 04:36:00 +0000 (04:36 +0000)]
Make it compile under HP-UX when
(COMPILER_PROCESSOR_TYPE == COMPILER_MC68040_TYPE).
Arthur Gleckler [Fri, 22 Mar 1991 02:03:36 +0000 (02:03 +0000)]
Initial revision
Chris Hanson [Fri, 22 Mar 1991 00:33:14 +0000 (00:33 +0000)]
* Each group object now has a unique associated buffer, and vice
versa. This allows low-level group operations to access
buffer-local variables associated with the group, such as
`tab-width'. New procedures: `group-buffer', `mark-buffer', and
`group-tab-width'.
* Handling of `truncate-lines' and `tab-width' buffer-local variables
is fixed.
* Extensive rewriting of redisplay, screen, and image code to squeeze
a little more performance from it.
* Eliminate truncating buffer output ports, because they were unused,
and depended on a feature that is no longer viable.
* Code to read files into buffers is redesigned. Previously it read
the file into a string, and then inserted the string into the
buffer. Now it reads the file directly into the buffer.
* Fix representation of characters in the range 200 to 377 octal.
Their images are now four-character octal sequences; previously the
images were the characters themselves.
Chris Hanson [Fri, 22 Mar 1991 00:27:48 +0000 (00:27 +0000)]
Add new procedure `extract-and-delete-string', which combines
`extract-string' and `delete-string' into a single operation.
Chris Hanson [Fri, 22 Mar 1991 00:24:02 +0000 (00:24 +0000)]
Slight tweak of `group-extract-string' to improve performance.
Chris Hanson [Fri, 22 Mar 1991 00:21:51 +0000 (00:21 +0000)]
Eliminate commented-out printing commands. These will be rewritten
later.
Guillermo J. Rozas [Thu, 21 Mar 1991 23:26:47 +0000 (23:26 +0000)]
Changes for MC68040.
Ansification of cmpint.c.
Guillermo J. Rozas [Thu, 21 Mar 1991 20:56:57 +0000 (20:56 +0000)]
Initial revision
Chris Hanson [Thu, 21 Mar 1991 09:42:38 +0000 (09:42 +0000)]
Add two new cases of foldable expressions, to permit certain string
operations to be folded.
Guillermo J. Rozas [Mon, 18 Mar 1991 21:08:58 +0000 (21:08 +0000)]
Fix bug in Clear_Memory introduced when constant space overwriting
hack was added. It was fixed in memmag.c, but not here!
Chris Hanson [Sat, 16 Mar 1991 08:14:23 +0000 (08:14 +0000)]
Some performance improvements in the redisplay code.
Chris Hanson [Sat, 16 Mar 1991 08:13:31 +0000 (08:13 +0000)]
Change screen object: remove operation/preempt-update? and replace it
with preemption-modulus and operation/discretionary-flush. Use this
to speed up inner loop of screen-update.
Chris Hanson [Sat, 16 Mar 1991 08:11:28 +0000 (08:11 +0000)]
Implement `predict-y-limited' and use it in place of `predict-y' to
guarantee that the bounds on predictions are related to the size of
the window rather than the size of the buffer.
Chris Hanson [Sat, 16 Mar 1991 00:03:58 +0000 (00:03 +0000)]
Initial revision
Chris Hanson [Sat, 16 Mar 1991 00:03:18 +0000 (00:03 +0000)]
This version of Edwin requires microcode version 11.69 and runtime
version 14.113.
* Implement Emacs-style subprocesses, RCS support, and Shell mode.
* Add code to M-x save-buffers-kill-edwin to request confirmation when
there are modified buffers or active processes.
* Change default handling of Scheme errors that occur while Edwin is
running (i.e. errors in the Edwin implementation): such errors are
now caught, causing a message to be written to the minibuffer, and
aborting the current command. This behavior may be overridden by
the Scheme variable `debug-internal-errors?' or the Edwin variable
`debug-on-internal-error'.
* Change M-x find-alternate-file not to signal an error if the current
buffer is not visiting a file.
* Change Scheme Interaction mode to have input history with same
commands as Shell mode; both are based on Olin Shivers' comint mode.
* Change buffer to have default-directory field that is separate from
the pathname and truename fields. All buffers have a default
directory, even if they aren't visiting files. Change the `cd'
command to change a buffer's default directory. New command `pwd'
shows you the default directory of the current buffer.
* Fix bug in `variable-local-value'. Rewrite implementation of local
variable bindings to improve performance.
* Change filename prompting and completion procedures to make them
more flexible and modular.
Chris Hanson [Fri, 15 Mar 1991 23:49:11 +0000 (23:49 +0000)]
Rewrite `invoke-variable-assignment-daemons!' to improve performance.
Chris Hanson [Fri, 15 Mar 1991 23:48:02 +0000 (23:48 +0000)]
Fix bug in redisplay: when narrowing or widening a buffer, its windows
sometimes got confused, which could produce various errors.
Chris Hanson [Fri, 15 Mar 1991 23:40:26 +0000 (23:40 +0000)]
Change most auto-loading files to be loaded when Edwin is built. Only
a few rarely used files remain auto-loading now.
Chris Hanson [Fri, 15 Mar 1991 23:34:14 +0000 (23:34 +0000)]
New procedures provide support for side-effects on permanent marks:
set-mark-index!
move-mark-to!
mark-right-inserting-copy
mark-left-inserting-copy
Chris Hanson [Fri, 15 Mar 1991 23:30:49 +0000 (23:30 +0000)]
Use `modulo' instead of `remainder' to force ring indexes into the
right range. `remainder' is incorrect if the argument is negative.
Chris Hanson [Fri, 15 Mar 1991 23:28:50 +0000 (23:28 +0000)]
Fix fencepost error in `re-compile-char-set'.
Chris Hanson [Fri, 15 Mar 1991 23:27:48 +0000 (23:27 +0000)]
Add operations to do regular-expression search and match on strings.
Chris Hanson [Fri, 15 Mar 1991 23:26:19 +0000 (23:26 +0000)]
* Fix `define-named-structure' to make the definitions of slot indices
integrable.
* Change `define-command' to give a meaningful debugging name to the
procedure that implements the command.
* Change `define-variable' to accept an optional fourth argument,
which is a value validity test.
Chris Hanson [Thu, 14 Mar 1991 23:03:12 +0000 (23:03 +0000)]
Change callers of `UX_select_input' to call it when the operating
system makes it available. Previously they attempted to predict when
it would be needed, which sometimes failed and is in general
unmodular.
Chris Hanson [Thu, 14 Mar 1991 10:14:24 +0000 (10:14 +0000)]
Delete all subprocesses when exiting Scheme.
Chris Hanson [Thu, 14 Mar 1991 04:29:29 +0000 (04:29 +0000)]
Add support to send SIGHUP (hangup) signal to subprocesses.
Use of this support requires microcode 11.68 or later (but if not used
older microcodes will work.)
Chris Hanson [Thu, 14 Mar 1991 04:27:13 +0000 (04:27 +0000)]
Don't print hash number for value that is a number.
Chris Hanson [Thu, 14 Mar 1991 04:26:42 +0000 (04:26 +0000)]
Fix typo.
Chris Hanson [Thu, 14 Mar 1991 04:23:26 +0000 (04:23 +0000)]
* New primitives `process-hangup' and `pty-master-hangup' support
sending of SIGHUP to subprocesses.
* Bug fixes for channel registering and selection.
Arthur Gleckler [Tue, 12 Mar 1991 23:18:51 +0000 (23:18 +0000)]
Include RESTART in the list of USER-GLOBAL-NAMES, variables available
after (DISABLE-LANGUAGE-FEATURES). This means students will have
access to it.
Chris Hanson [Mon, 11 Mar 1991 23:48:20 +0000 (23:48 +0000)]
Add new procedures for microcode 11.67: `channel-register',
`channel-unregister', `channel-registered?',
`channel-select-then-read', and `subprocess-global-status-tick'.