Mercurial > hg > xemacs-beta
annotate lisp/cl-macs.el @ 5353:38e24b8be4ea
Improve the lexical scoping in #'block, #'return-from.
lisp/ChangeLog addition:
2011-02-07 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el:
* bytecomp.el (byte-compile-initial-macro-environment):
Shadow `block', `return-from' here, we implement them differently
when byte-compiling.
* bytecomp.el (byte-compile-active-blocks): New.
* bytecomp.el (byte-compile-block-1): New.
* bytecomp.el (byte-compile-return-from-1): New.
* bytecomp.el (return-from-1): New.
* bytecomp.el (block-1): New.
These are two aliases that exist to have their own associated
byte-compile functions, which functions implement `block' and
`return-from'.
* cl-extra.el (cl-macroexpand-all):
Fix a bug here when macros in the environment have been compiled.
* cl-macs.el (block):
* cl-macs.el (return):
* cl-macs.el (return-from):
Be more careful about lexical scope in these macros.
* cl.el:
* cl.el ('cl-block-wrapper): Removed.
* cl.el ('cl-block-throw): Removed.
These aren't needed in code generated by this XEmacs. They
shouldn't be needed in code generated by XEmacs 21.4, but if it
turns out the packages do need them, we can put them back.
2011-01-30 Mike Sperber <mike@xemacs.org>
* font-lock.el (font-lock-fontify-pending-extents): Don't fail if
`font-lock-mode' is unset, which can happen in the middle of
`revert-buffer'.
2011-01-23 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (delete):
* cl-macs.el (delq):
* cl-macs.el (remove):
* cl-macs.el (remq):
Don't use the compiler macro if these functions were given the
wrong number of arguments, as happens in lisp-tests.el.
* cl-seq.el (remove, remq): Removed.
I added these to subr.el, and forgot to remove them from here.
2011-01-22 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el (byte-compile-setq, byte-compile-set):
Remove kludge allowing keywords' values to be set, all the code
that does that is gone.
* cl-compat.el (elt-satisfies-test-p):
* faces.el (set-face-parent):
* faces.el (face-doc-string):
* gtk-font-menu.el:
* gtk-font-menu.el (gtk-reset-device-font-menus):
* msw-font-menu.el:
* msw-font-menu.el (mswindows-reset-device-font-menus):
* package-get.el (package-get-installedp):
* select.el (select-convert-from-image-data):
* sound.el:
* sound.el (load-sound-file):
* x-font-menu.el (x-reset-device-font-menus-core):
Don't quote keywords, they're self-quoting, and the
win from backward-compatibility is sufficiently small now that the
style problem overrides it.
2011-01-22 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (block, return-from): Require that NAME be a symbol
in these macros, as always documented in the #'block docstring and
as required by Common Lisp.
* descr-text.el (unidata-initialize-unihan-database):
Correct the use of non-symbols in #'block and #'return-from in
this function.
2011-01-15 Aidan Kehoe <kehoea@parhasard.net>
* cl-extra.el (concatenate): Accept more complicated TYPEs in this
function, handing the sequences over to #'coerce if we don't
understand them here.
* cl-macs.el (inline): Don't proclaim #'concatenate as inline, its
compiler macro is more useful than doing that.
2011-01-11 Aidan Kehoe <kehoea@parhasard.net>
* subr.el (delete, delq, remove, remq): Move #'remove, #'remq
here, they don't belong in cl-seq.el; move #'delete, #'delq here
from fns.c, implement them in terms of #'delete*, allowing support
for sequences generally.
* update-elc.el (do-autoload-commands): Use #'delete*, not #'delq
here, now the latter's no longer dumped.
* cl-macs.el (delete, delq): Add compiler macros transforming
#'delete and #'delq to #'delete* calls.
2011-01-10 Aidan Kehoe <kehoea@parhasard.net>
* dialog.el (make-dialog-box): Correct a misplaced parenthesis
here, thank you Mats Lidell in 87zkr9gqrh.fsf@mail.contactor.se !
2011-01-02 Aidan Kehoe <kehoea@parhasard.net>
* dialog.el (make-dialog-box):
* list-mode.el (display-completion-list):
These functions used to use cl-parsing-keywords; change them to
use defun* instead, fixing the build. (Not sure what led to me
not including this change in d1b17a33450b!)
2011-01-02 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (define-star-compiler-macros):
Make sure the form has ITEM and LIST specified before attempting
to change to calls with explicit tests; necessary for some tests
in lisp-tests.el to compile correctly.
(stable-union, stable-intersection): Add compiler macros for these
functions, in the same way we do for most of the other functions
in cl-seq.el.
2011-01-01 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (dolist, dotimes, do-symbols, macrolet)
(symbol-macrolet):
Define these macros with defmacro* instead of parsing the argument
list by hand, for the sake of style and readability; use backquote
where appropriate, instead of calling #'list and and friends, for
the same reason.
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
* x-misc.el (device-x-display):
Provide this function, documented in the Lispref for years, but
not existing previously. Thank you Julian Bradfield, thank you
Jeff Mincy.
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
* cl-seq.el:
Move the heavy lifting from this file to C. Dump the
cl-parsing-keywords macro, but don't use defun* for the functions
we define that do take keywords, dynamic scope lossage makes that
not practical.
* subr.el (sort, fillarray): Move these aliases here.
(map-plist): #'nsublis is now built-in, but at this point #'eql
isn't necessarily available as a test; use #'eq.
* obsolete.el (cl-delete-duplicates): Make this available for old
compiler macros and old code.
(memql): Document that this is equivalent to #'member*, and worse.
* cl.el (adjoin, subst): Removed. These are in C.
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
* simple.el (assoc-ignore-case): Remove a duplicate definition of
this function (it's already in subr.el).
* iso8859-1.el (char-width):
On non-Mule, make this function equivalent to that produced by
(constantly 1), but preserve its docstring.
* subr.el (subst-char-in-string): Define this in terms of
#'substitute, #'nsubstitute.
(string-width): Define this using #'reduce and #'char-width.
(char-width): Give this a simpler definition, it makes far more
sense to check for mule at load time and redefine, as we do in
iso8859-1.el.
(store-substring): Implement this in terms of #'replace, now
#'replace is cheap.
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
* update-elc.el (lisp-files-needed-for-byte-compilation)
(lisp-files-needing-early-byte-compilation):
cl-macs belongs in the former, not the latter, it is as
fundamental as bytecomp.el.
2010-12-30 Aidan Kehoe <kehoea@parhasard.net>
* cl.el:
Provde the Common Lisp program-error, type-error as error
symbols. This doesn't nearly go far enough for anyone using the
Common Lisp errors.
2010-12-29 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (delete-duplicates):
If the form has an incorrect number of arguments, don't attempt a
compiler macroexpansion.
2010-12-29 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (cl-safe-expr-p):
Forms that start with the symbol lambda are also safe.
2010-12-29 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (= < > <= >=):
For these functions' compiler macros, the optimisation is safe
even if the first and the last arguments have side effects, since
they're only used the once.
2010-12-29 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (inline-side-effect-free-compiler-macros):
Unroll a loop here at macro-expansion time, so these compiler
macros are compiled. Use #'eql instead of #'eq in a couple of
places for better style.
2010-12-29 Aidan Kehoe <kehoea@parhasard.net>
* cl-extra.el (notany, notevery): Avoid some dynamic scope
stupidity with local variable names in these functions, when they
weren't prefixed with cl-; go into some more detail in the doc
strings.
2010-12-29 Aidan Kehoe <kehoea@parhasard.net>
* byte-optimize.el (side-effect-free-fns): #'remove, #'remq are
free of side-effects.
(side-effect-and-error-free-fns):
Drop dot, dot-marker from the list.
2010-11-17 Aidan Kehoe <kehoea@parhasard.net>
* cl-extra.el (coerce):
In the argument list, name the first argument OBJECT, not X; the
former name was always used in the doc string and is clearer.
Handle vector type specifications which include the length of the
target sequence, error if there's a mismatch.
* cl-macs.el (cl-make-type-test): Handle type specifications
starting with the symbol 'eql.
2010-11-14 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (eql): Don't remove the byte-compile property of this
symbol. That was necessary to override a bug in bytecomp.el where
#'eql was confused with #'eq, which bug we no longer have.
If neither expression is constant, don't attempt to handle the
expression in this compiler macro, leave it to byte-compile-eql,
which produces better code anyway.
* bytecomp.el (eq): #'eql is not the function associated with the
byte-eq byte code.
(byte-compile-eql): Add an explicit compile method for this
function, for cases where the cl-macs compiler macro hasn't
reduced it to #'eq or #'equal.
2010-10-25 Aidan Kehoe <kehoea@parhasard.net>
Add compiler macros and compilation sanity-checking for various
functions that take keywords.
* byte-optimize.el (side-effect-free-fns): #'symbol-value is
side-effect free and not error free.
* bytecomp.el (byte-compile-normal-call): Check keyword argument
lists for sanity; store information about the positions where
keyword arguments start using the new byte-compile-keyword-start
property.
* cl-macs.el (cl-const-expr-val): Take a new optional argument,
cl-not-constant, defaulting to nil, in this function; return it if
the expression is not constant.
(cl-non-fixnum-number-p): Make this into a separate function, we
want to pass it to #'every.
(eql): Use it.
(define-star-compiler-macros): Use the same code to generate the
member*, assoc* and rassoc* compiler macros; special-case some
code in #'add-to-list in subr.el.
(remove, remq): Add compiler macros for these two functions, in
preparation for #'remove being in C.
(define-foo-if-compiler-macros): Transform (remove-if-not ...) calls to
(remove ... :if-not) at compile time, which will be a real win
once the latter is in C.
(define-substitute-if-compiler-macros)
(define-subst-if-compiler-macros): Similarly for these functions.
(delete-duplicates): Change this compiler macro to use
#'plists-equal; if we don't have information about the type of
SEQUENCE at compile time, don't bother attempting to inline the
call, the function will be in C soon enough.
(equalp): Remove an old commented-out compiler macro for this, if
we want to see it it's in version control.
(subst-char-in-string): Transform this to a call to nsubstitute or
nsubstitute, if that is appropriate.
* cl.el (ldiff): Don't call setf here, this makes for a load-time
dependency problem in cl-macs.el
2010-06-14 Stephen J. Turnbull <stephen@xemacs.org>
* term/vt100.el:
Refer to XEmacs, not GNU Emacs, in permissions.
* term/bg-mouse.el:
* term/sup-mouse.el:
Put copyright notice in canonical "Copyright DATE AUTHOR" form.
Refer to XEmacs, not GNU Emacs, in permissions.
* site-load.el:
Add permission boilerplate.
* mule/canna-leim.el:
* alist.el:
Refer to XEmacs, not APEL/this program, in permissions.
* mule/canna-leim.el:
Remove my copyright, I've assigned it to the FSF.
2010-06-14 Stephen J. Turnbull <stephen@xemacs.org>
* gtk.el:
* gtk-widget-accessors.el:
* gtk-package.el:
* gtk-marshal.el:
* gtk-compose.el:
* gnome.el:
Add copyright notice based on internal evidence.
2010-06-14 Stephen J. Turnbull <stephen@xemacs.org>
* easymenu.el: Add reference to COPYING to permission notice.
* gutter.el:
* gutter-items.el:
* menubar-items.el:
Fix typo "Xmacs" in permissions notice.
2010-06-14 Stephen J. Turnbull <stephen@xemacs.org>
* auto-save.el:
* font.el:
* fontconfig.el:
* mule/kinsoku.el:
Add "part of XEmacs" text to permission notice.
2010-10-14 Aidan Kehoe <kehoea@parhasard.net>
* byte-optimize.el (side-effect-free-fns):
* cl-macs.el (remf, getf):
* cl-extra.el (tailp, cl-set-getf, cl-do-remf):
* cl.el (ldiff, endp):
Tighten up Common Lisp compatibility for #'ldiff, #'endp, #'tailp;
add circularity checking for the first two.
#'cl-set-getf and #'cl-do-remf were Lisp implementations of
#'plist-put and #'plist-remprop; change the names to aliases,
changes the macros that use them to using #'plist-put and
#'plist-remprop directly.
2010-10-12 Aidan Kehoe <kehoea@parhasard.net>
* abbrev.el (fundamental-mode-abbrev-table, global-abbrev-table):
Create both these abbrev tables using the usual
#'define-abbrev-table calls, rather than attempting to
special-case them.
* cl-extra.el: Force cl-macs to be loaded here, if cl-extra.el is
being loaded interpreted. Previously other, later files would
redundantly call (load "cl-macs") when interpreted, it's more
reasonable to do it here, once.
* cmdloop.el (read-quoted-char-radix): Use defcustom here, we
don't have any dump-order dependencies that would prevent that.
* custom.el (eval-when-compile): Don't load cl-macs when
interpreted or when byte-compiling, rely on cl-extra.el in the
former case and the appropriate entry in bytecomp-load-hook in the
latter. Get rid of custom-declare-variable-list, we have no
dump-time dependencies that would require it.
* faces.el (eval-when-compile): Don't load cl-macs when
interpreted or when byte-compiling.
* packages.el: Remove some inaccurate comments.
* post-gc.el (cleanup-simple-finalizers): Use #'delete-if-not
here, now the order of preloaded-file-list has been changed to
make it available.
* subr.el (custom-declare-variable-list): Remove. No need for it.
Also remove a stub define-abbrev-table from this file, given the
current order of preloaded-file-list there's no need for it.
2010-10-10 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el (byte-compile-constp) Forms quoted with FUNCTION are
also constant.
(byte-compile-initial-macro-environment): In #'the, if FORM is
constant and does not match TYPE, warn at byte-compile time.
2010-10-10 Aidan Kehoe <kehoea@parhasard.net>
* backquote.el (bq-vector-contents, bq-list*): Remove; the former
is equivalent to (append VECTOR nil), the latter to (list* ...).
(bq-process-2): Use (append VECTOR nil) instead of using
#'bq-vector-contents to convert to a list.
(bq-process-1): Now we use list* instead of bq-list
* subr.el (list*): Moved from cl.el, since it is now required to
be available the first time a backquoted form is encountered.
* cl.el (list*): Move to subr.el.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* test-harness.el (Check-Message):
Add an omitted comma here, thank you the buildbot.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* hash-table.el (hash-table-key-list, hash-table-value-list)
(hash-table-key-value-alist, hash-table-key-value-plist):
Remove some useless #'nreverse calls in these files; our hash
tables have no order, it's not helpful to pretend they do.
* behavior.el (read-behavior):
Do the same in this file, in some code evidently copied from
hash-table.el.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* info.el (Info-insert-dir):
* format.el (format-deannotate-region):
* files.el (cd, save-buffers-kill-emacs):
Use #'some, #'every and related functions for applying boolean
operations to lists, instead of rolling our own ones that cons and
don't short-circuit.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el (byte-compile-initial-macro-environment):
* cl-macs.el (the):
Rephrase the docstring, make its implementation when compiling
files a little nicer.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* descr-text.el (unidata-initialize-unicodedata-database)
(unidata-initialize-unihan-database, describe-char-unicode-data)
(describe-char-unicode-data):
Wrap calls to the database functions with (with-fboundp ...),
avoiding byte compile warnings on builds without support for the
database functions.
(describe-char): (reduce #'max ...), not (apply #'max ...), no
need to cons needlessly.
(describe-char): Remove a redundant lambda wrapping
#'extent-properties.
(describe-char-unicode-data): Call #'nsubst when replacing "" with
nil in the result of #'split-string, instead of consing inside
mapcar.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* x-faces.el (x-available-font-sizes):
* specifier.el (let-specifier):
* package-ui.el (pui-add-required-packages):
* msw-faces.el (mswindows-available-font-sizes):
* modeline.el (modeline-minor-mode-menu):
* minibuf.el (minibuf-directory-files):
Replace the O2N (delq nil (mapcar (lambda (W) (and X Y)) Z)) with
the ON (mapcan (lambda (W) (and X (list Y))) Z) in these files.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* cl-macs.el (= < > <= >=):
When these functions are handed more than two arguments, and those
arguments have no side effects, transform to a series of two
argument calls, avoiding funcall in the byte-compiled code.
* mule/mule-cmds.el (finish-set-language-environment):
Take advantage of this change in a function called 256 times at
startup.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el (byte-compile-function-form, byte-compile-quote)
(byte-compile-quote-form):
Warn at compile time, and error at runtime, if a (quote ...) or a
(function ...) form attempts to quote more than one object.
2010-09-16 Aidan Kehoe <kehoea@parhasard.net>
* byte-optimize.el (byte-optimize-apply): Transform (apply 'nconc
(mapcar ...)) to (mapcan ...); warn about use of the first idiom.
* update-elc.el (do-autoload-commands):
* packages.el (packages-find-package-library-path):
* frame.el (frame-list):
* extents.el (extent-descendants):
* etags.el (buffer-tag-table-files):
* dumped-lisp.el (preloaded-file-list):
* device.el (device-list):
* bytecomp-runtime.el (proclaim-inline, proclaim-notinline)
Use #'mapcan, not (apply #'nconc (mapcar ...) in all these files.
* bytecomp-runtime.el (eval-when-compile, eval-and-compile):
In passing, mention that these macros also evaluate the body when
interpreted.
tests/ChangeLog addition:
2011-02-07 Aidan Kehoe <kehoea@parhasard.net>
* automated/lisp-tests.el:
Test lexical scope for `block', `return-from'; add a
Known-Bug-Expect-Failure for a contorted example that fails when
byte-compiled.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Mon, 07 Feb 2011 12:01:24 +0000 |
| parents | b4ef3128160c |
| children | 5dd1ba5e0113 0af042a0c116 |
| rev | line source |
|---|---|
| 613 | 1 ;;; cl-macs.el --- Common Lisp extensions for XEmacs Lisp (part four) |
| 428 | 2 |
| 2153 | 3 ;; Copyright (C) 1993, 2003, 2004 Free Software Foundation, Inc. |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
4 ;; Copyright (C) 2002, 2010 Ben Wing. |
| 428 | 5 |
| 6 ;; Author: Dave Gillespie <daveg@synaptics.com> | |
| 7 ;; Version: 2.02 | |
| 8 ;; Keywords: extensions | |
| 9 | |
| 10 ;; This file is part of XEmacs. | |
| 11 | |
| 12 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 13 ;; under the terms of the GNU General Public License as published by | |
| 14 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 15 ;; any later version. | |
| 16 | |
| 17 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 ;; General Public License for more details. | |
| 21 | |
| 22 ;; You should have received a copy of the GNU General Public License | |
| 23 ;; along with XEmacs; see the file COPYING. If not, write to the Free | |
| 24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
| 25 ;; 02111-1307, USA. | |
| 26 | |
| 2153 | 27 ;;; Synched up with: FSF 21.3. |
| 428 | 28 |
| 29 ;;; Commentary: | |
| 30 | |
| 31 ;; These are extensions to Emacs Lisp that provide a degree of | |
| 32 ;; Common Lisp compatibility, beyond what is already built-in | |
| 33 ;; in Emacs Lisp. | |
| 34 ;; | |
| 35 ;; This package was written by Dave Gillespie; it is a complete | |
| 36 ;; rewrite of Cesar Quiroz's original cl.el package of December 1986. | |
| 37 ;; | |
| 38 ;; Bug reports, comments, and suggestions are welcome! | |
| 39 | |
| 40 ;; This file contains the portions of the Common Lisp extensions | |
| 41 ;; package which should be autoloaded, but need only be present | |
| 42 ;; if the compiler or interpreter is used---this file is not | |
| 43 ;; necessary for executing compiled code. | |
| 44 | |
| 45 ;; See cl.el for Change Log. | |
| 46 | |
| 47 | |
| 48 ;;; Code: | |
| 49 | |
| 50 (or (memq 'cl-19 features) | |
| 51 (error "Tried to load `cl-macs' before `cl'!")) | |
| 52 | |
| 53 | |
| 54 (defmacro cl-pop2 (place) | |
| 55 (list 'prog1 (list 'car (list 'cdr place)) | |
| 56 (list 'setq place (list 'cdr (list 'cdr place))))) | |
| 57 (put 'cl-pop2 'edebug-form-spec 'edebug-sexps) | |
| 58 | |
| 59 (defvar cl-optimize-safety) | |
| 60 (defvar cl-optimize-speed) | |
| 61 | |
| 62 | |
| 63 ;;; This kludge allows macros which use cl-transform-function-property | |
| 64 ;;; to be called at compile-time. | |
| 65 | |
| 66 (require | |
| 67 (progn | |
| 68 (or (fboundp 'cl-transform-function-property) | |
| 69 (defalias 'cl-transform-function-property | |
| 70 #'(lambda (n p f) | |
| 71 (list 'put (list 'quote n) (list 'quote p) | |
| 72 (list 'function (cons 'lambda f)))))) | |
| 442 | 73 'xemacs)) |
| 428 | 74 |
| 75 | |
| 76 ;;; Initialization. | |
| 77 | |
| 78 (defvar cl-old-bc-file-form nil) | |
| 79 | |
| 80 ;;;###autoload | |
| 81 (defun cl-compile-time-init () | |
| 82 (run-hooks 'cl-hack-bytecomp-hook)) | |
| 83 | |
| 84 | |
| 2153 | 85 ;;; Some predicates for analyzing Lisp forms. These are used by various |
| 86 ;;; macro expanders to optimize the results in certain common cases. | |
| 87 | |
| 88 (defconst cl-simple-funcs '(car cdr nth aref elt if and or + - 1+ 1- min max | |
| 89 car-safe cdr-safe progn prog1 prog2)) | |
| 90 (defconst cl-safe-funcs '(* / % length memq list vector vectorp | |
| 91 < > <= >= = error)) | |
| 92 | |
| 93 ;;; Check if no side effects, and executes quickly. | |
| 94 (defun cl-simple-expr-p (x &optional size) | |
| 95 (or size (setq size 10)) | |
| 96 (if (and (consp x) (not (memq (car x) '(quote function function*)))) | |
| 97 (and (symbolp (car x)) | |
| 98 (or (memq (car x) cl-simple-funcs) | |
| 99 (get (car x) 'side-effect-free)) | |
| 100 (progn | |
| 101 (setq size (1- size)) | |
| 102 (while (and (setq x (cdr x)) | |
| 103 (setq size (cl-simple-expr-p (car x) size)))) | |
| 104 (and (null x) (>= size 0) size))) | |
| 105 (and (> size 0) (1- size)))) | |
| 106 | |
| 107 (defun cl-simple-exprs-p (xs) | |
| 108 (while (and xs (cl-simple-expr-p (car xs))) | |
| 109 (setq xs (cdr xs))) | |
| 110 (not xs)) | |
| 111 | |
| 112 ;;; Check if no side effects. | |
| 113 (defun cl-safe-expr-p (x) | |
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114 (or (not (and (consp x) (not (memq (car x) |
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115 '(quote function function* lambda))))) |
| 2153 | 116 (and (symbolp (car x)) |
| 117 (or (memq (car x) cl-simple-funcs) | |
| 118 (memq (car x) cl-safe-funcs) | |
| 119 (get (car x) 'side-effect-free)) | |
| 120 (progn | |
| 121 (while (and (setq x (cdr x)) (cl-safe-expr-p (car x)))) | |
| 122 (null x))))) | |
| 123 | |
| 124 ;;; Check if constant (i.e., no side effects or dependencies). | |
| 125 (defun cl-const-expr-p (x) | |
| 126 (cond ((consp x) | |
| 127 (or (eq (car x) 'quote) | |
| 128 (and (memq (car x) '(function function*)) | |
| 129 (or (symbolp (nth 1 x)) | |
| 130 (and (eq (car-safe (nth 1 x)) 'lambda) 'func))))) | |
| 131 ((symbolp x) (and (memq x '(nil t)) t)) | |
| 132 (t t))) | |
| 133 | |
| 134 (defun cl-const-exprs-p (xs) | |
| 135 (while (and xs (cl-const-expr-p (car xs))) | |
| 136 (setq xs (cdr xs))) | |
| 137 (not xs)) | |
| 138 | |
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139 (defun cl-const-expr-val (x &optional cl-not-constant) |
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140 (let ((cl-const-expr-p (cl-const-expr-p x))) |
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141 (cond ((eq cl-const-expr-p t) (if (consp x) (nth 1 x) x)) |
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142 ((eq cl-const-expr-p 'func) (nth 1 x)) |
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143 (cl-not-constant)))) |
| 2153 | 144 |
| 145 (defun cl-expr-access-order (x v) | |
| 146 (if (cl-const-expr-p x) v | |
| 147 (if (consp x) | |
| 148 (progn | |
| 149 (while (setq x (cdr x)) (setq v (cl-expr-access-order (car x) v))) | |
| 150 v) | |
| 151 (if (eq x (car v)) (cdr v) '(t))))) | |
| 152 | |
| 153 ;;; Count number of times X refers to Y. Return nil for 0 times. | |
| 154 (defun cl-expr-contains (x y) | |
| 155 (cond ((equal y x) 1) | |
| 156 ((and (consp x) (not (memq (car-safe x) '(quote function function*)))) | |
| 157 (let ((sum 0)) | |
| 158 (while x | |
| 159 (setq sum (+ sum (or (cl-expr-contains (pop x) y) 0)))) | |
| 160 (and (> sum 0) sum))) | |
| 161 (t nil))) | |
| 162 | |
| 163 (defun cl-expr-contains-any (x y) | |
| 164 (while (and y (not (cl-expr-contains x (car y)))) (pop y)) | |
| 165 y) | |
| 166 | |
| 167 ;;; Check whether X may depend on any of the symbols in Y. | |
| 168 (defun cl-expr-depends-p (x y) | |
| 169 (and (not (cl-const-expr-p x)) | |
| 170 (or (not (cl-safe-expr-p x)) (cl-expr-contains-any x y)))) | |
| 171 | |
| 172 ;;; Symbols. | |
| 173 | |
| 174 (defvar *gensym-counter*) | |
| 175 | |
| 176 ;; XEmacs change: gensym and gentemp have been moved to cl.el. | |
| 177 | |
| 178 | |
| 428 | 179 ;;; Program structure. |
| 180 | |
| 181 ;;;###autoload | |
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182 (defmacro defun* (name arglist &optional docstring &rest body) |
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183 "Define NAME as a function. |
| 428 | 184 Like normal `defun', except ARGLIST allows full Common Lisp conventions, |
| 872 | 185 and BODY is implicitly surrounded by (block NAME ...). |
| 186 | |
| 187 \"Full Common Lisp conventions\" means that: | |
| 188 | |
| 189 -- In addition to &optional and &rest, the lambda-list keywords &key, | |
| 190 &allow-other-keys, and &aux are allowed. | |
| 191 | |
| 192 -- The format of the arguments to &optional is expanded: As well as simple | |
| 193 variables, they can be lists of the form (VAR [INITFORM [SVAR]]); when | |
| 194 no argument is available for VAR, INITFORM is evaluated (or nil, if | |
| 195 INITFORM is omitted) and stored as VAR's value, and SVAR is bound to t. | |
| 196 If an arguent is available for VAR, and INITFORM is unused, SVAR is | |
| 197 bound to nil. | |
| 198 | |
| 199 -- &key specifies keyword arguments. The format of each argument is | |
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200 VAR || ( { VAR || (KEYWORD VAR) } [INITFORM [SVAR]]). |
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201 |
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202 If VAR is specified on its own, VAR is bound within BODY to the value |
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203 supplied by the caller for the corresponding keyword; for example, &key |
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204 my-value means callers write :my-value RUNTIME-EXPRESSION. |
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205 |
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206 If (VAR INITFORM) is specified, INITFORM is an expression evaluated at |
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207 runtime to determine a default value for VAR. |
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208 |
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209 If (VAR INITFORM SVAR) is specified, SVAR is variable available within |
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210 BODY that is non-nil if VAR was explicitly specified in the calling |
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211 expression. |
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212 |
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213 If ((KEYWORD VAR)) is specified, KEYWORD is the keyword to be used by |
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214 callers, and VAR is the corresponding variable binding within BODY. |
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215 |
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216 In calls to NAME, values for a given keyword may be supplied multiple |
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217 times. The first value is the only one used. |
| 872 | 218 |
| 219 -- &allow-other-keys means that if other keyword arguments are given that are | |
| 220 not specifically list in the arg list, they are allowed, rather than an | |
| 221 error being signalled. They can be retrieved with an &rest form. | |
| 222 | |
| 223 -- &aux specifies extra bindings, exactly like a `let*' enclosing the body. | |
| 224 The format of each binding is VAR || (VAR [INITFORM]) -- exactly like the | |
| 225 format of `let'/`let*' bindings. | |
| 226 " | |
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227 (let* ((res (cl-transform-lambda (list* arglist docstring body) name)) |
| 428 | 228 (form (list* 'defun name (cdr res)))) |
| 229 (if (car res) (list 'progn (car res) form) form))) | |
| 230 | |
| 231 ;;;###autoload | |
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232 (defmacro defmacro* (name arglist &optional docstring &rest body) |
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233 "Define NAME as a macro. |
| 428 | 234 Like normal `defmacro', except ARGLIST allows full Common Lisp conventions, |
| 872 | 235 and BODY is implicitly surrounded by (block NAME ...). |
| 236 | |
| 237 \"Full Common Lisp conventions\" means that: | |
| 238 | |
| 239 -- The lambda-list keywords &optional, &rest, &key, &allow-other-keys, and | |
| 240 &aux are allowed, as in `defun*'. | |
| 241 | |
| 242 -- Three additional lambda-list keywords are allowed: &body, &whole, and | |
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243 &environment: |
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244 |
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245 &body is equivalent to &rest, but is intended to indicate that the |
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246 following arguments are the body of some piece of code, and should be |
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247 indented as such. |
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248 |
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249 &whole must come first; it is followed by a single variable that, at |
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250 macro expansion time, reflects all the arguments supplied to the macro, |
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251 as if it had been declared with a single &rest argument. |
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252 |
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253 &environment specifies local semantics for various macros for use within |
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254 the expansion of BODY. See the ENVIRONMENT argument to `macroexpand'. |
| 872 | 255 |
| 256 -- The macro arg list syntax allows for \"destructuring\" -- see also | |
| 257 `destructuring-bind', which destructures exactly like `defmacro*', and | |
| 258 `loop', which does a rather different way of destructuring. Anywhere | |
| 259 that a simple argument may appear, and (if following a lambda-list | |
| 260 keyword) a list may not normally appear, an embedded lambda list can be | |
| 261 substituted. (The format of the embedded lambda list is exactly the | |
| 262 same as for a top-level list except that &environment is not allowed.) | |
| 263 When matching this lambda list against a caller-specified argument, that | |
| 264 argument is treated as a list and normal lambda-list processing occurs, | |
| 265 just as if the entire operation were happening at top level. | |
| 266 Furthermore, any lambda list, embedded or top-level, can be dotted at its | |
| 267 end, and this will cause matching with an appropriate dotted list given | |
| 268 as an argument. | |
| 269 | |
| 270 See `loop' for practical examples of destructuring, but | |
| 271 keep in mind that `loop' destructuring is somewhat different from macro | |
| 272 destructuring in that | |
| 273 | |
| 274 (a) Macro destructuring has extra features in the various lambda-list | |
| 275 keywords, allowing for special processing of a list other than just | |
| 276 simple matching. | |
| 277 (b) Macro destructuring is strict, in that an error is signalled if the | |
| 278 actual structure does not match the expected structure. On the | |
| 279 other hand, loop destructuring is lax -- extra arguments in a list | |
| 280 are ignored, not enough arguments cause the remaining parameters to | |
| 281 receive a value of nil, etc. | |
| 282 " | |
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283 (let* ((res (cl-transform-lambda (list* arglist docstring body) name)) |
| 428 | 284 (form (list* 'defmacro name (cdr res)))) |
| 285 (if (car res) (list 'progn (car res) form) form))) | |
| 286 | |
| 287 ;;;###autoload | |
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288 (defmacro function* (symbol-or-lambda) |
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289 "Introduce a function. |
| 428 | 290 Like normal `function', except that if argument is a lambda form, its |
| 291 ARGLIST allows full Common Lisp conventions." | |
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292 (if (eq (car-safe symbol-or-lambda) 'lambda) |
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293 (let* ((res (cl-transform-lambda (cdr symbol-or-lambda) 'cl-none)) |
| 428 | 294 (form (list 'function (cons 'lambda (cdr res))))) |
| 295 (if (car res) (list 'progn (car res) form) form)) | |
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296 (list 'function symbol-or-lambda))) |
| 428 | 297 |
| 298 (defun cl-transform-function-property (func prop form) | |
| 299 (let ((res (cl-transform-lambda form func))) | |
| 300 (append '(progn) (cdr (cdr (car res))) | |
| 301 (list (list 'put (list 'quote func) (list 'quote prop) | |
| 302 (list 'function (cons 'lambda (cdr res)))))))) | |
| 303 | |
| 304 (defconst lambda-list-keywords | |
| 305 '(&optional &rest &key &allow-other-keys &aux &whole &body &environment)) | |
| 306 | |
| 307 (defvar cl-macro-environment nil) | |
| 308 (defvar bind-block) (defvar bind-defs) (defvar bind-enquote) | |
| 309 (defvar bind-inits) (defvar bind-lets) (defvar bind-forms) | |
| 310 | |
| 452 | 311 ;; npak@ispras.ru |
| 312 (defun cl-upcase-arg (arg) | |
| 1580 | 313 ;; Changes all non-keyword symbols in `ARG' to symbols |
| 452 | 314 ;; with name in upper case. |
| 1580 | 315 ;; ARG is either symbol or list of symbols or lists |
| 452 | 316 (cond ((symbolp arg) |
| 1580 | 317 ;; Do not upcase &optional, &key etc. |
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318 (if (memq arg lambda-list-keywords) |
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319 arg |
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320 (make-symbol (upcase (symbol-name arg))))) |
| 1580 | 321 ((listp arg) |
| 322 (let ((arg (copy-list arg)) junk) | |
| 323 ;; Clean the list | |
| 324 (let ((p (last arg))) (if (cdr p) (setcdr p (list '&rest (cdr p))))) | |
| 325 (if (setq junk (cadr (memq '&cl-defs arg))) | |
| 326 (setq arg (delq '&cl-defs (delq junk arg)))) | |
| 327 (if (memq '&cl-quote arg) | |
| 328 (setq arg (delq '&cl-quote arg))) | |
| 329 (mapcar 'cl-upcase-arg arg))) | |
| 330 (t arg))) ; Maybe we are in initializer | |
| 452 | 331 |
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332 ;; npak@ispras.ru, modified by ben@666.com |
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333 ;;;###autoload |
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334 (defun cl-function-arglist (arglist) |
| 452 | 335 "Returns string with printed representation of arguments list. |
| 336 Supports Common Lisp lambda lists." | |
| 1580 | 337 (if (not (or (listp arglist) (symbolp arglist))) |
| 338 "Not available" | |
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339 (check-argument-type #'true-list-p arglist) |
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340 (let ((print-gensym nil)) |
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341 (condition-case nil |
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342 (let ((args (cond ((null arglist) nil) |
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343 ((listp arglist) (cl-upcase-arg arglist)) |
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344 ((symbolp arglist) |
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345 (cl-upcase-arg (list '&rest arglist))) |
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346 (t (wrong-type-argument 'listp arglist))))) |
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347 (if args (prin1-to-string args) "()")) |
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348 (t "Not available"))))) |
| 452 | 349 |
| 428 | 350 (defun cl-transform-lambda (form bind-block) |
| 351 (let* ((args (car form)) (body (cdr form)) | |
| 352 (bind-defs nil) (bind-enquote nil) | |
| 353 (bind-inits nil) (bind-lets nil) (bind-forms nil) | |
| 452 | 354 (header nil) (simple-args nil) |
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355 (complex-arglist (cl-function-arglist args)) |
| 452 | 356 (doc "")) |
| 428 | 357 (while (or (stringp (car body)) (eq (car-safe (car body)) 'interactive)) |
| 2153 | 358 (push (pop body) header)) |
| 428 | 359 (setq args (if (listp args) (copy-list args) (list '&rest args))) |
| 360 (let ((p (last args))) (if (cdr p) (setcdr p (list '&rest (cdr p))))) | |
| 361 (if (setq bind-defs (cadr (memq '&cl-defs args))) | |
| 362 (setq args (delq '&cl-defs (delq bind-defs args)) | |
| 363 bind-defs (cadr bind-defs))) | |
| 364 (if (setq bind-enquote (memq '&cl-quote args)) | |
| 365 (setq args (delq '&cl-quote args))) | |
| 366 (if (memq '&whole args) (error "&whole not currently implemented")) | |
| 367 (let* ((p (memq '&environment args)) (v (cadr p))) | |
| 368 (if p (setq args (nconc (delq (car p) (delq v args)) | |
| 369 (list '&aux (list v 'cl-macro-environment)))))) | |
| 370 (while (and args (symbolp (car args)) | |
| 371 (not (memq (car args) '(nil &rest &body &key &aux))) | |
| 372 (not (and (eq (car args) '&optional) | |
| 373 (or bind-defs (consp (cadr args)))))) | |
| 2153 | 374 (push (pop args) simple-args)) |
| 428 | 375 (or (eq bind-block 'cl-none) |
| 376 (setq body (list (list* 'block bind-block body)))) | |
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377 (setq simple-args (nreverse simple-args) |
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378 header (nreverse header)) |
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379 ;; Add CL lambda list to documentation, if the CL lambda list differs |
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380 ;; from the non-CL lambda list. npak@ispras.ru |
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381 (unless (equal complex-arglist |
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382 (cl-function-arglist simple-args)) |
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383 (and (stringp (car header)) (setq doc (pop header))) |
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384 ;; Stick the arguments onto the end of the doc string in a way that |
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385 ;; will be recognized specially by `function-arglist'. |
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386 (push (concat doc "\n\narguments: " complex-arglist "\n") |
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387 header)) |
| 428 | 388 (if (null args) |
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389 (list* nil simple-args (nconc header body)) |
| 2153 | 390 (if (memq '&optional simple-args) (push '&optional args)) |
| 428 | 391 (cl-do-arglist args nil (- (length simple-args) |
| 392 (if (memq '&optional simple-args) 1 0))) | |
| 393 (setq bind-lets (nreverse bind-lets)) | |
| 394 (list* (and bind-inits (list* 'eval-when '(compile load eval) | |
| 395 (nreverse bind-inits))) | |
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396 (nconc simple-args |
| 2153 | 397 (list '&rest (car (pop bind-lets)))) |
| 398 ;; XEmacs change: we add usage information using Nickolay's | |
| 399 ;; approach above | |
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400 (nconc header |
| 428 | 401 (list (nconc (list 'let* bind-lets) |
| 402 (nreverse bind-forms) body))))))) | |
| 403 | |
| 404 (defun cl-do-arglist (args expr &optional num) ; uses bind-* | |
| 405 (if (nlistp args) | |
| 406 (if (or (memq args lambda-list-keywords) (not (symbolp args))) | |
| 407 (error "Invalid argument name: %s" args) | |
| 2153 | 408 (push (list args expr) bind-lets)) |
| 428 | 409 (setq args (copy-list args)) |
| 410 (let ((p (last args))) (if (cdr p) (setcdr p (list '&rest (cdr p))))) | |
| 411 (let ((p (memq '&body args))) (if p (setcar p '&rest))) | |
| 412 (if (memq '&environment args) (error "&environment used incorrectly")) | |
| 413 (let ((save-args args) | |
| 414 (restarg (memq '&rest args)) | |
| 415 (safety (if (cl-compiling-file) cl-optimize-safety 3)) | |
| 416 (keys nil) | |
| 417 (laterarg nil) (exactarg nil) minarg) | |
| 418 (or num (setq num 0)) | |
| 419 (if (listp (cadr restarg)) | |
| 420 (setq restarg (gensym "--rest--")) | |
| 421 (setq restarg (cadr restarg))) | |
| 2153 | 422 (push (list restarg expr) bind-lets) |
| 428 | 423 (if (eq (car args) '&whole) |
| 2153 | 424 (push (list (cl-pop2 args) restarg) bind-lets)) |
| 428 | 425 (let ((p args)) |
| 426 (setq minarg restarg) | |
| 427 (while (and p (not (memq (car p) lambda-list-keywords))) | |
| 428 (or (eq p args) (setq minarg (list 'cdr minarg))) | |
| 429 (setq p (cdr p))) | |
| 430 (if (memq (car p) '(nil &aux)) | |
| 431 (setq minarg (list '= (list 'length restarg) | |
| 432 (length (ldiff args p))) | |
| 433 exactarg (not (eq args p))))) | |
| 434 (while (and args (not (memq (car args) lambda-list-keywords))) | |
| 435 (let ((poparg (list (if (or (cdr args) (not exactarg)) 'pop 'car) | |
| 436 restarg))) | |
| 437 (cl-do-arglist | |
| 2153 | 438 (pop args) |
| 428 | 439 (if (or laterarg (= safety 0)) poparg |
| 440 (list 'if minarg poparg | |
| 441 (list 'signal '(quote wrong-number-of-arguments) | |
| 442 (list 'list (and (not (eq bind-block 'cl-none)) | |
| 443 (list 'quote bind-block)) | |
| 444 (list 'length restarg))))))) | |
| 445 (setq num (1+ num) laterarg t)) | |
| 2153 | 446 (while (and (eq (car args) '&optional) (pop args)) |
| 428 | 447 (while (and args (not (memq (car args) lambda-list-keywords))) |
| 2153 | 448 (let ((arg (pop args))) |
| 428 | 449 (or (consp arg) (setq arg (list arg))) |
| 450 (if (cddr arg) (cl-do-arglist (nth 2 arg) (list 'and restarg t))) | |
| 451 (let ((def (if (cdr arg) (nth 1 arg) | |
| 452 (or (car bind-defs) | |
| 453 (nth 1 (assq (car arg) bind-defs))))) | |
| 454 (poparg (list 'pop restarg))) | |
| 455 (and def bind-enquote (setq def (list 'quote def))) | |
| 456 (cl-do-arglist (car arg) | |
| 457 (if def (list 'if restarg poparg def) poparg)) | |
| 458 (setq num (1+ num)))))) | |
| 459 (if (eq (car args) '&rest) | |
| 460 (let ((arg (cl-pop2 args))) | |
| 461 (if (consp arg) (cl-do-arglist arg restarg))) | |
| 462 (or (eq (car args) '&key) (= safety 0) exactarg | |
| 2153 | 463 (push (list 'if restarg |
| 428 | 464 (list 'signal '(quote wrong-number-of-arguments) |
| 465 (list 'list | |
| 466 (and (not (eq bind-block 'cl-none)) | |
| 467 (list 'quote bind-block)) | |
| 468 (list '+ num (list 'length restarg))))) | |
| 469 bind-forms))) | |
| 2153 | 470 (while (and (eq (car args) '&key) (pop args)) |
| 428 | 471 (while (and args (not (memq (car args) lambda-list-keywords))) |
| 2153 | 472 (let ((arg (pop args))) |
| 428 | 473 (or (consp arg) (setq arg (list arg))) |
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474 (let* ((karg (if (consp (car arg)) |
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475 ;; It's possible to use non-keywords here, as |
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476 ;; in the KEYWORD-ARGUMENT-NAME-PACKAGE Common |
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477 ;; Lisp issue: |
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478 (caar arg) |
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479 ;; Use read instead of intern in case we ever |
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480 ;; actually get packages and keywords are no |
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481 ;; longer in obarray: |
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482 (read (concat ":" (symbol-name (car arg)))))) |
| 428 | 483 (varg (if (consp (car arg)) (cadar arg) (car arg))) |
| 484 (def (if (cdr arg) (cadr arg) | |
| 485 (or (car bind-defs) (cadr (assq varg bind-defs))))) | |
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486 (look (list 'memq (quote-maybe karg) restarg))) |
| 428 | 487 (and def bind-enquote (setq def (list 'quote def))) |
| 488 (if (cddr arg) | |
| 489 (let* ((temp (or (nth 2 arg) (gensym))) | |
| 490 (val (list 'car (list 'cdr temp)))) | |
| 491 (cl-do-arglist temp look) | |
| 492 (cl-do-arglist varg | |
| 493 (list 'if temp | |
| 494 (list 'prog1 val (list 'setq temp t)) | |
| 495 def))) | |
| 496 (cl-do-arglist | |
| 497 varg | |
| 498 (list 'car | |
| 499 (list 'cdr | |
| 500 (if (null def) | |
| 501 look | |
| 502 (list 'or look | |
| 503 (if (eq (cl-const-expr-p def) t) | |
| 504 (list | |
| 505 'quote | |
| 506 (list nil (cl-const-expr-val def))) | |
| 507 (list 'list nil def)))))))) | |
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508 (push karg keys))))) |
| 428 | 509 (setq keys (nreverse keys)) |
| 2153 | 510 (or (and (eq (car args) '&allow-other-keys) (pop args)) |
| 428 | 511 (null keys) (= safety 0) |
| 512 (let* ((var (gensym "--keys--")) | |
| 513 (allow '(:allow-other-keys)) | |
| 514 (check (list | |
| 515 'while var | |
| 516 (list | |
| 517 'cond | |
| 518 (list (list 'memq (list 'car var) | |
| 519 (list 'quote (append keys allow))) | |
| 520 (list 'setq var (list 'cdr (list 'cdr var)))) | |
| 521 (list (list 'car | |
| 522 (list 'cdr | |
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523 (list 'memq (car allow) |
| 428 | 524 restarg))) |
| 525 (list 'setq var nil)) | |
| 526 (list t | |
| 527 (list | |
| 528 'error | |
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529 ''invalid-keyword-argument |
| 428 | 530 (list 'car var))))))) |
| 2153 | 531 (push (list 'let (list (list var restarg)) check) bind-forms))) |
| 532 (while (and (eq (car args) '&aux) (pop args)) | |
| 428 | 533 (while (and args (not (memq (car args) lambda-list-keywords))) |
| 534 (if (consp (car args)) | |
| 535 (if (and bind-enquote (cadar args)) | |
| 536 (cl-do-arglist (caar args) | |
| 2153 | 537 (list 'quote (cadr (pop args)))) |
| 538 (cl-do-arglist (caar args) (cadr (pop args)))) | |
| 539 (cl-do-arglist (pop args) nil)))) | |
| 428 | 540 (if args (error "Malformed argument list %s" save-args))))) |
| 541 | |
| 542 (defun cl-arglist-args (args) | |
| 543 (if (nlistp args) (list args) | |
| 544 (let ((res nil) (kind nil) arg) | |
| 545 (while (consp args) | |
| 2153 | 546 (setq arg (pop args)) |
| 428 | 547 (if (memq arg lambda-list-keywords) (setq kind arg) |
| 2153 | 548 (if (eq arg '&cl-defs) (pop args) |
| 428 | 549 (and (consp arg) kind (setq arg (car arg))) |
| 550 (and (consp arg) (cdr arg) (eq kind '&key) (setq arg (cadr arg))) | |
| 551 (setq res (nconc res (cl-arglist-args arg)))))) | |
| 552 (nconc res (and args (list args)))))) | |
| 553 | |
| 554 ;;;###autoload | |
| 555 (defmacro destructuring-bind (args expr &rest body) | |
| 872 | 556 "Bind the arguments in ARGS to EXPR then eval BODY. |
| 557 This is similar to `let' but it does \"destructuring\", in that it matches | |
| 558 the structure of ARGS to the structure of EXPR and binds corresponding | |
| 559 arguments in ARGS to their values in EXPR. The format of ARGS, and the | |
| 560 way the destructuring works, is exactly like the destructuring that occurs | |
| 561 in `defmacro*'; see that for more information. | |
| 562 | |
| 563 An alternative means of destructuring is using the `loop' macro. `loop' | |
| 564 gives practical examples of destructuring. `defmacro*' describes the | |
| 565 differences between loop and macro-style destructuring. | |
| 566 | |
| 567 You can rewrite a call to (destructuring-bind ARGS EXPR &rest BODY) using | |
| 568 `loop', approximately like this: | |
| 569 | |
| 570 (loop for ARGS = EXPR | |
| 571 return (progn BODY)) | |
| 572 | |
| 573 I say \"approximately\" because the destructuring works in a somewhat | |
| 574 different fashion, although for most reasonably simple constructs the | |
| 575 results will be the same." | |
| 428 | 576 (let* ((bind-lets nil) (bind-forms nil) (bind-inits nil) |
| 577 (bind-defs nil) (bind-block 'cl-none)) | |
| 578 (cl-do-arglist (or args '(&aux)) expr) | |
| 579 (append '(progn) bind-inits | |
| 580 (list (nconc (list 'let* (nreverse bind-lets)) | |
| 581 (nreverse bind-forms) body))))) | |
| 582 | |
| 583 | |
| 584 ;;; The `eval-when' form. | |
| 585 | |
| 586 (defvar cl-not-toplevel nil) | |
| 587 | |
| 588 ;;;###autoload | |
| 589 (defmacro eval-when (when &rest body) | |
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590 "Control when BODY is evaluated. |
| 428 | 591 If `compile' is in WHEN, BODY is evaluated when compiled at top-level. |
| 592 If `load' is in WHEN, BODY is evaluated when loaded after top-level compile. | |
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593 If `eval' is in WHEN, BODY is evaluated when interpreted or at non-top-level. |
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594 |
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595 arguments: ((&rest WHEN) &body BODY)" |
| 428 | 596 (if (and (fboundp 'cl-compiling-file) (cl-compiling-file) |
| 597 (not cl-not-toplevel) (not (boundp 'for-effect))) ; horrible kludge | |
| 2153 | 598 (let ((comp (or (memq 'compile when) (memq :compile-toplevel when))) |
| 428 | 599 (cl-not-toplevel t)) |
| 2153 | 600 (if (or (memq 'load when) (memq :load-toplevel when)) |
| 428 | 601 (if comp (cons 'progn (mapcar 'cl-compile-time-too body)) |
| 602 (list* 'if nil nil body)) | |
| 603 (progn (if comp (eval (cons 'progn body))) nil))) | |
| 2153 | 604 (and (or (memq 'eval when) (memq :execute when)) |
| 428 | 605 (cons 'progn body)))) |
| 606 | |
| 607 (defun cl-compile-time-too (form) | |
| 608 (or (and (symbolp (car-safe form)) (get (car-safe form) 'byte-hunk-handler)) | |
| 609 (setq form (macroexpand | |
| 610 form (cons '(eval-when) byte-compile-macro-environment)))) | |
| 611 (cond ((eq (car-safe form) 'progn) | |
| 612 (cons 'progn (mapcar 'cl-compile-time-too (cdr form)))) | |
| 613 ((eq (car-safe form) 'eval-when) | |
| 614 (let ((when (nth 1 form))) | |
| 2153 | 615 (if (or (memq 'eval when) (memq :execute when)) |
| 428 | 616 (list* 'eval-when (cons 'compile when) (cddr form)) |
| 617 form))) | |
| 618 (t (eval form) form))) | |
| 619 | |
| 620 ;;;###autoload | |
| 621 (defmacro load-time-value (form &optional read-only) | |
| 622 "Like `progn', but evaluates the body at load time. | |
| 623 The result of the body appears to the compiler as a quoted constant." | |
| 624 (if (cl-compiling-file) | |
| 625 (let* ((temp (gentemp "--cl-load-time--")) | |
| 626 (set (list 'set (list 'quote temp) form))) | |
| 627 (if (and (fboundp 'byte-compile-file-form-defmumble) | |
| 628 (boundp 'this-kind) (boundp 'that-one)) | |
| 629 (fset 'byte-compile-file-form | |
| 630 (list 'lambda '(form) | |
| 631 (list 'fset '(quote byte-compile-file-form) | |
| 632 (list 'quote | |
| 633 (symbol-function 'byte-compile-file-form))) | |
| 634 (list 'byte-compile-file-form (list 'quote set)) | |
| 635 '(byte-compile-file-form form))) | |
| 636 ;; XEmacs change | |
| 637 (print set (symbol-value ;;'outbuffer | |
| 638 'byte-compile-output-buffer | |
| 639 ))) | |
| 640 (list 'symbol-value (list 'quote temp))) | |
| 641 (list 'quote (eval form)))) | |
| 642 | |
| 643 | |
| 644 ;;; Conditional control structures. | |
| 645 | |
| 646 ;;;###autoload | |
| 647 (defmacro case (expr &rest clauses) | |
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648 "Evals EXPR, chooses from CLAUSES on that value. |
| 428 | 649 Each clause looks like (KEYLIST BODY...). EXPR is evaluated and compared |
| 650 against each key in each KEYLIST; the corresponding BODY is evaluated. | |
| 651 If no clause succeeds, case returns nil. A single atom may be used in | |
| 652 place of a KEYLIST of one atom. A KEYLIST of `t' or `otherwise' is | |
| 653 allowed only in the final clause, and matches if no other keys match. | |
| 654 Key values are compared by `eql'." | |
| 655 (let* ((temp (if (cl-simple-expr-p expr 3) expr (gensym))) | |
| 656 (head-list nil) | |
| 657 (last-clause (car (last clauses))) | |
| 658 (body (cons | |
| 659 'cond | |
| 660 (mapcar | |
| 661 #'(lambda (c) | |
| 662 (cons (cond ((memq (car c) '(t otherwise)) | |
| 2153 | 663 ;; XEmacs addition: check for last clause |
| 428 | 664 (or (eq c last-clause) |
| 665 (error | |
| 666 "`%s' is allowed only as the last case clause" | |
| 667 (car c))) | |
| 668 t) | |
| 669 ((eq (car c) 'ecase-error-flag) | |
| 670 (list 'error "ecase failed: %s, %s" | |
| 671 temp (list 'quote (reverse head-list)))) | |
| 672 ((listp (car c)) | |
| 673 (setq head-list (append (car c) head-list)) | |
| 674 (list 'member* temp (list 'quote (car c)))) | |
| 675 (t | |
| 676 (if (memq (car c) head-list) | |
| 677 (error "Duplicate key in case: %s" | |
| 678 (car c))) | |
| 2153 | 679 (push (car c) head-list) |
| 428 | 680 (list 'eql temp (list 'quote (car c))))) |
| 681 (or (cdr c) '(nil)))) | |
| 682 clauses)))) | |
| 683 (if (eq temp expr) body | |
| 684 (list 'let (list (list temp expr)) body)))) | |
| 685 | |
| 686 ;; #### CL standard also requires `ccase', which signals a continuable | |
| 687 ;; error (`cerror' in XEmacs). However, I don't think it buys us | |
| 688 ;; anything to introduce it, as there is probably much more CL stuff | |
| 689 ;; missing, and the feature is not essential. --hniksic | |
| 690 | |
| 691 ;;;###autoload | |
| 692 (defmacro ecase (expr &rest clauses) | |
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693 "Like `case', but error if no case fits. |
| 428 | 694 `otherwise'-clauses are not allowed." |
| 2153 | 695 ;; XEmacs addition: disallow t and otherwise |
| 428 | 696 (let ((disallowed (or (assq t clauses) |
| 697 (assq 'otherwise clauses)))) | |
| 698 (if disallowed | |
| 699 (error "`%s' is not allowed in ecase" (car disallowed)))) | |
| 700 (list* 'case expr (append clauses '((ecase-error-flag))))) | |
| 701 | |
| 702 ;;;###autoload | |
| 703 (defmacro typecase (expr &rest clauses) | |
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704 "Evals EXPR, chooses from CLAUSES on that value. |
| 428 | 705 Each clause looks like (TYPE BODY...). EXPR is evaluated and, if it |
| 706 satisfies TYPE, the corresponding BODY is evaluated. If no clause succeeds, | |
| 707 typecase returns nil. A TYPE of `t' or `otherwise' is allowed only in the | |
| 708 final clause, and matches if no other keys match." | |
| 709 (let* ((temp (if (cl-simple-expr-p expr 3) expr (gensym))) | |
| 710 (type-list nil) | |
| 711 (body (cons | |
| 712 'cond | |
| 713 (mapcar | |
| 714 #'(lambda (c) | |
| 715 (cons (cond ((eq (car c) 'otherwise) t) | |
| 716 ((eq (car c) 'ecase-error-flag) | |
| 717 (list 'error "etypecase failed: %s, %s" | |
| 718 temp (list 'quote (reverse type-list)))) | |
| 719 (t | |
| 2153 | 720 (push (car c) type-list) |
| 428 | 721 (cl-make-type-test temp (car c)))) |
| 722 (or (cdr c) '(nil)))) | |
| 723 clauses)))) | |
| 724 (if (eq temp expr) body | |
| 725 (list 'let (list (list temp expr)) body)))) | |
| 726 | |
| 727 ;;;###autoload | |
| 728 (defmacro etypecase (expr &rest clauses) | |
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729 "Like `typecase', but error if no case fits. |
| 428 | 730 `otherwise'-clauses are not allowed." |
| 731 (list* 'typecase expr (append clauses '((ecase-error-flag))))) | |
| 732 | |
| 733 | |
| 734 ;;; Blocks and exits. | |
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735 (defvar cl-active-block-names nil) |
| 428 | 736 |
| 737 ;;;###autoload | |
| 738 (defmacro block (name &rest body) | |
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739 "Define a lexically-scoped block named NAME. |
| 428 | 740 NAME may be any symbol. Code inside the BODY forms can call `return-from' |
| 741 to jump prematurely out of the block. This differs from `catch' and `throw' | |
| 742 in two respects: First, the NAME is an unevaluated symbol rather than a | |
| 743 quoted symbol or other form; and second, NAME is lexically rather than | |
| 744 dynamically scoped: Only references to it within BODY will work. These | |
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745 references may appear inside macro expansions and in lambda expressions, but |
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746 not inside other functions called from BODY." |
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747 (let ((cl-active-block-names (acons name (copy-symbol name) |
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748 cl-active-block-names)) |
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749 (body (cons 'progn body))) |
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750 `(catch ',(cdar cl-active-block-names) |
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751 ,(cl-macroexpand-all body cl-macro-environment)))) |
| 428 | 752 |
| 753 ;;;###autoload | |
| 2153 | 754 (defmacro return (&optional result) |
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755 "Return from the block named nil. |
| 428 | 756 This is equivalent to `(return-from nil RESULT)'." |
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757 `(return-from nil ,result)) |
| 428 | 758 |
| 759 ;;;###autoload | |
| 2153 | 760 (defmacro return-from (name &optional result) |
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761 "Return from the block named NAME. |
| 428 | 762 This jumps out to the innermost enclosing `(block NAME ...)' form, |
| 763 returning RESULT from that form (or nil if RESULT is omitted). | |
| 764 This is compatible with Common Lisp, but note that `defun' and | |
| 765 `defmacro' do not create implicit blocks as they do in Common Lisp." | |
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766 `(throw ',(or (cdr (assq name cl-active-block-names)) (copy-symbol name)) |
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767 ,result)) |
| 428 | 768 |
| 769 ;;; The "loop" macro. | |
| 770 | |
| 771 (defvar args) (defvar loop-accum-var) (defvar loop-accum-vars) | |
| 772 (defvar loop-bindings) (defvar loop-body) (defvar loop-destr-temps) | |
| 773 (defvar loop-finally) (defvar loop-finish-flag) (defvar loop-first-flag) | |
| 774 (defvar loop-initially) (defvar loop-map-form) (defvar loop-name) | |
| 775 (defvar loop-result) (defvar loop-result-explicit) | |
| 776 (defvar loop-result-var) (defvar loop-steps) (defvar loop-symbol-macs) | |
| 777 | |
| 778 ;;;###autoload | |
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779 (defmacro loop (&rest clauses) |
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780 "The Common Lisp `loop' macro. |
| 800 | 781 |
| 782 The loop macro consists of a series of clauses, which do things like | |
| 783 iterate variables, set conditions for exiting the loop, accumulating values | |
| 784 to be returned as the return value of the loop, and executing arbitrary | |
| 2297 | 785 blocks of code. Each clause is processed in turn, and the loop executes its |
| 800 | 786 body repeatedly until an exit condition is hit. |
| 787 | |
| 788 It's important to understand that loop clauses such as `for' and `while', | |
| 789 which look like loop-establishing constructs, don't actually *establish* a | |
| 790 loop\; the looping is established by the `loop' clause itself, which will | |
| 791 repeatedly process its body until told to stop. `while' merely establishes | |
| 792 a condition which, when true, causes the loop to finish, and `for' sets a | |
| 793 variable to different values on each iteration (e.g. successive elements of | |
| 794 a list) and sets an exit condition when there are no more values. This | |
| 795 means, for example, that if two `for' clauses appear, you don't get two | |
| 796 nested loops, but instead two variables that are stepped in parallel, and | |
| 797 two exit conditions, either of which, if triggered, will cause the loop to | |
| 798 end. Similarly for a loop with a `for' and a `while' clause. For example: | |
| 799 | |
| 800 \(loop | |
| 801 for x in list | |
| 802 while x | |
| 803 do ...) | |
| 804 | |
| 805 In each successive iteration, X is set to the next element of the list. If | |
| 806 there are no more elements, or if any element is nil (the `while' clause), | |
| 807 the loop exits. Otherwise, the block of code following `do' is executed.) | |
| 808 | |
| 809 This example also shows that some clauses establish variable bindings -- | |
| 810 essentially like a `let' binding -- and that following clauses can | |
| 811 reference these variables. Furthermore, the entire loop is surrounded by a | |
| 812 block named nil (unless the `named' clause is given), so you can return | |
| 813 from the loop using the macro `return'. (The other way to exit the loop is | |
| 814 through the macro `loop-finish'. The difference is that some loop clauses | |
| 815 establish or accumulate a value to be returned, and `loop-finish' returns | |
| 816 this. `return', however, can only return an explicitly-specified value. | |
| 817 NOTE CAREFULLY: There is a loop clause called `return' as well as a | |
| 818 standard Lisp macro called `return'. Normally they work similarly\; but if | |
| 819 you give the loop a name with `named', you will need to use the macro | |
| 820 `return-from'.) | |
| 821 | |
| 822 Another extremely useful feature of loops is called \"destructuring\". If, | |
| 823 in place of VAR, a list (possibly dotted, possibly a tree of arbitary | |
| 824 complexity) is given, the value to be assigned is assumed to have a similar | |
| 825 structure to the list given, and variables in the list will be matched up | |
| 826 with corresponding elements in the structure. For example: | |
| 827 | |
| 828 \(loop | |
| 829 for (x y) in '((foo 1) (bar 2) (baz 3)) | |
| 830 do (puthash x y some-hash-table)) | |
| 831 | |
| 832 will add three elements to a hash table, mapping foo -> 1, bar -> 2, and | |
| 833 baz -> 3. As other examples, you can conveniently process alists using | |
| 834 | |
| 835 \(loop for (x . y) in alist do ...) | |
| 836 | |
| 837 and plists using | |
| 838 | |
| 839 \(loop for (x y) on plist by #'cddr do ...) | |
| 840 | |
| 841 Destructuring is forgiving in that mismatches in the number of elements on | |
| 842 either size will be handled gracefully, either by ignoring or initializing | |
| 1123 | 843 to nil. Destructuring is extremely powerful, and is probably the single |
| 844 most useful feature of `loop'. | |
| 845 | |
| 846 Other useful features of loops are iterating over hash-tables, collecting values into lists, and being able to modify lists in-place as you iterate over them. As an example of the first two, | |
| 847 | |
| 848 \(loop for x being the hash-key in table using (hash-value y) | |
| 849 collect (cons x y)) | |
| 850 | |
| 851 converts hash-table TABLE to an alist. (What `collect' actually does is | |
| 852 push its value onto the end of an internal list and establish this list as | |
| 853 the default return value of the loop. See below for more information.) | |
| 854 | |
| 855 An example of in-place modification is | |
| 856 | |
| 857 \(setq foo '(1 3 5)) | |
| 858 \(loop for x in-ref foo do | |
| 859 (setf x (* x x))) | |
| 860 | |
| 861 after which foo will contain '(1 9 25). | |
| 800 | 862 |
| 863 If you don't understand how a particular loop clause works, create an | |
| 864 example and use `macroexpand-sexp' to expand the macro. | |
| 865 | |
| 428 | 866 Valid clauses are: |
| 800 | 867 |
| 868 \(NOTE: Keywords in lowercase\; slashes separate different possibilities | |
| 869 for keywords, some of which are synonymous\; brackets indicate optional | |
| 870 parts of the clause. In all of the clauses with `being', the word `being', | |
| 871 the words `each' or `the', and the difference between singular and plural | |
| 872 keywords are all just syntactic sugar. Stylistically, you should write | |
| 873 either `being each foo' or `being the foos'.) | |
| 874 | |
| 875 for VAR from/upfrom/downfrom NUM1 to/upto/downto/above/below NUM2 [by NUMSTEP] | |
| 876 Step VAR across numbers. `upfrom', `upto', and `below' explicitly | |
| 877 indicate upward stepping\; `downfrom', `downto', and `above' explicitly | |
| 878 indicate downward stepping. (If none of these is given, the default is | |
| 879 upward.) `to', `upto', and `downto' cause stepping to include NUM2 as | |
| 880 the last iteration, while `above' and `below' stop just before reaching | |
| 881 NUM2. `by' can be given to indicate a stepping increment other than 1. | |
| 882 | |
| 883 for VAR in LIST [by FUNC] | |
| 884 Step VAR over elements of a LIST. FUNC specifies how to get successive | |
| 885 sublists and defaults to `cdr'. | |
| 886 | |
| 887 for VAR on LIST [by FUNC] | |
| 888 Step VAR over tails of a LIST. FUNC specifies how to get successive | |
| 889 sublists and defaults to `cdr'. | |
| 890 | |
| 891 for VAR in-ref LIST [by FUNC] | |
| 892 Step VAR over elements of a LIST, like `for ... in', except the VAR is | |
| 893 bound using `symbol-macrolet' instead of `let'. In essence, VAR is set | |
| 894 to a \"reference\" to the list element instead of the element itself\; | |
| 895 this us, you can destructively modify the list using `setf' on VAR, and | |
| 896 any changes to the list will \"magically\" reflect themselves in | |
| 897 subsequent uses of VAR. | |
| 898 | |
| 899 for VAR = INIT [then EXPR] | |
| 900 Set VAR on each iteration of the loop. If only INIT is given, use it | |
| 901 on each iteration. Otherwise, use INIT on the first iteration and EXPR | |
| 902 on subsequent ones. | |
| 903 | |
| 904 for VAR across/across-ref ARRAY | |
| 905 Step VAR across a sequence other than a list (string, vector, bit | |
| 906 vector). If `across-ref' is given, VAR is bound using | |
| 907 `symbol-macrolet' instead of `let' -- see above. | |
| 908 | |
| 909 for VAR being each/the element/elements in/of/in-ref/of-ref SEQUENCE [using (index INDEX-VAR)] | |
| 910 Step VAR across any sequence. A variable can be specified with a | |
| 911 `using' phrase to receive the index, starting at 0. If `in-ref' or | |
| 912 `of-ref' is given, VAR is bound using `symbol-macrolet' instead of | |
| 913 `let' -- see above. | |
| 914 | |
| 915 for VAR being each/the hash-key/hash-keys/hash-value/hash-values in/of HASH-TABLE [using (hash-value/hash-key OTHER-VAR)] | |
| 916 | |
| 917 for VAR being each/the hash-key/hash-keys/hash-value/hash-values in/of HASH-TABLE [using (hash-value/hash-key OTHER-VAR)] | |
| 918 Map VAR over a hash table. The various keywords are synonymous except | |
| 919 those that distinguish between keys and values. The `using' phrase is | |
| 920 optional and allows both key and value to be bound. | |
| 921 | |
| 922 for VAR being each/the symbol/present-symbol/external-symbol/symbols/present-symbols/external-symbols in/of OBARRAY | |
| 923 Map VAR over the symbols in an obarray. All symbol keywords are | |
| 924 currently synonymous. | |
| 925 | |
| 926 for VAR being each/the extent/extents [in/of BUFFER-OR-STRING] [from POS] [to POS] | |
| 927 Map VAR over the extents in a buffer or string, defaulting to the | |
| 928 current buffer, the beginning and the end, respectively. | |
| 929 | |
| 930 for VAR being each/the interval/intervals [in/of BUFFER-OR-STRING] [property PROPERTY] [from POS] [to POS] | |
| 931 Map VAR over the intervals without property change in a buffer or | |
| 932 string, defaulting to the current buffer, the beginning and the end, | |
| 933 respectively. If PROPERTY is given, iteration occurs using | |
| 934 `next-single-property-change'\; otherwise, using | |
| 935 `next-property-change'. | |
| 936 | |
| 937 for VAR being each/the window/windows [in/of FRAME] | |
| 938 Step VAR over the windows in FRAME, defaulting to the selected frame. | |
| 939 | |
| 940 for VAR being each/the frame/frames | |
| 941 Step VAR over all frames. | |
| 942 | |
| 943 for VAR being each/the buffer/buffers [by FUNC] | |
| 944 Step VAR over all buffers. This is actually equivalent to | |
| 945 `for VAR in (buffer-list) [by FUNC]'. | |
| 946 | |
| 947 for VAR being each/the key-code/key-codes/key-seq/key-seqs/key-binding/key-bindings in KEYMAP [using (key-code/key-codes/key-seq/key-seqs/key-binding/key-bindings OTHER-VAR)] | |
| 948 Map VAR over the entries in a keymap. Keyword `key-seq' causes | |
| 949 recursive mapping over prefix keymaps occurring in the keymap, with VAR | |
| 950 getting the built-up sequence (a vector). Otherwise, mapping does not | |
| 951 occur recursively. `key-code' and `key-seq' refer to what is bound | |
| 952 (second argument of `define-key'), and `key-binding' what it's bound to | |
| 953 (third argument of `define-key'). | |
| 954 | |
| 955 as VAR ... | |
| 956 `as' is a synonym for `for'. | |
| 957 | |
| 958 and VAR ... | |
| 959 `and' clauses have the same syntax as `for' clauses except that the | |
| 960 variables in the clause are bound in parallel with a preceding | |
| 961 `and'/`for' clause instead of in series. | |
| 962 | |
| 963 with VAR = INIT | |
| 964 Set VAR to INIT once, before doing any iterations. | |
| 965 | |
| 966 repeat NUM | |
| 967 Exit the loop if more than NUM iterations have occurred. | |
| 968 | |
| 969 while COND | |
| 970 Exit the loop if COND isn't true. | |
| 971 | |
| 972 until COND | |
| 973 Exit the loop if COND is true. | |
| 974 | |
| 975 collect EXPR [into VAR] | |
| 976 Push EXPR onto the end of a list of values -- stored either in VAR or a | |
| 977 temporary variable that will be returned as the return value of the | |
| 978 loop if it terminates through an exit condition or a call to | |
| 979 `loop-finish'. | |
| 980 | |
| 981 append EXPR [into VAR] | |
| 982 Append EXPR (a list) onto the end of a list of values, like `collect'. | |
| 983 | |
| 984 nconc EXPR [into VAR] | |
| 985 Nconc EXPR (a list) onto the end of a list of values, like `collect'. | |
| 986 | |
| 987 concat EXPR [into VAR] | |
| 988 Concatenate EXPR (a string) onto the end of a string of values, like | |
| 989 `collect'. | |
| 990 | |
| 991 vconcat EXPR [into VAR] | |
| 992 Concatenate EXPR (a vector) onto the end of a vector of values, like | |
| 993 `collect'. | |
| 994 | |
| 995 bvconcat EXPR [into VAR] | |
| 996 Concatenate EXPR (a bit vector) onto the end of a bit vector of values, | |
| 997 like `collect'. | |
| 998 | |
| 999 sum EXPR [into VAR] | |
| 1000 Add EXPR to a value, like `collect'. | |
| 1001 | |
| 1002 count EXPR [into VAR] | |
| 1003 If EXPR is true, increment a value by 1, like `collect'. | |
| 1004 | |
| 1005 maximize EXPR [into VAR] | |
| 1006 IF EXPR is greater than a value, replace the value with EXPR, like | |
| 1007 `collect'. | |
| 1008 | |
| 1009 minimize EXPR [into VAR] | |
| 1010 IF EXPR is less than a value, replace the value with EXPR, like | |
| 1011 `collect'. | |
| 1012 | |
| 1013 always COND | |
| 1014 If COND is true, continue the loop and set the loop return value (the | |
| 1015 same value that's manipulated by `collect' and friends and is returned | |
| 1016 by a normal loop exit or an exit using `loop-finish') to t\; otherwise, | |
| 1017 exit the loop and return nil. The effect is to determine and return | |
| 1018 whether a condition is true \"always\" (all iterations of the loop). | |
| 1019 | |
| 1020 never COND | |
| 1021 If COND is false, continue the loop and set the loop return value (like | |
| 1022 `always') to t\; otherwise, exit the loop and return nil. The effect | |
| 1023 is to determine and return whether a condition is \"never\" true (all | |
| 1024 iterations of the loop). | |
| 1025 | |
| 1026 thereis COND | |
| 1027 If COND is true, exit the loop and return COND. | |
| 1028 | |
| 1029 if/when COND CLAUSE [and CLAUSE]... else CLAUSE [and CLAUSE...] | |
| 1030 If COND is true, execute the directly following clause(s)\; otherwise, | |
| 1031 execute the clauses following `else'. | |
| 1032 | |
| 1033 unless COND CLAUSE [and CLAUSE]... else CLAUSE [and CLAUSE...] | |
| 1034 If COND is false, execute the directly following clause(s)\; otherwise, execute the clauses following `else'. | |
| 1035 | |
| 1036 do EXPRS... | |
| 1037 Execute the expressions (any Lisp forms). | |
| 1038 | |
| 1039 initially EXPRS... | |
| 1040 Execute EXPR once, before doing any iterations, and after values have | |
| 1041 been set using `with'. | |
| 1042 | |
| 1043 finally EXPRS... | |
| 1044 Execute EXPR once, directly before the loop terminates. This will not | |
| 1045 be executed if the loop terminates prematurely as a result of `always', | |
| 1046 `never', `thereis', or `return'. | |
| 1047 | |
| 1048 return EXPR | |
| 1049 Exit from the loop and return EXPR. | |
| 1050 | |
| 1051 finally return EXPR | |
| 1052 Specify the value to be returned when the loop exits. (Unlike `return', | |
| 1053 this doesn't cause the loop to immediately exit\; it will exit whenever | |
| 1054 it normally would have.) This takes precedence over a return value | |
| 1055 specified with `collect' and friends or `always' and friends. | |
| 1056 | |
| 1057 named NAME | |
| 1058 Specify the name for block surrounding the loop, in place of nil. | |
| 1059 (See `block'.) | |
| 1060 " | |
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1061 (if (not (memq t (mapcar 'symbolp (delq nil (delq t (copy-list clauses)))))) |
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|
1062 (list 'block nil (list* 'while t clauses)) |
| 428 | 1063 (let ((loop-name nil) (loop-bindings nil) |
| 1064 (loop-body nil) (loop-steps nil) | |
| 1065 (loop-result nil) (loop-result-explicit nil) | |
| 1066 (loop-result-var nil) (loop-finish-flag nil) | |
| 1067 (loop-accum-var nil) (loop-accum-vars nil) | |
| 1068 (loop-initially nil) (loop-finally nil) | |
| 1069 (loop-map-form nil) (loop-first-flag nil) | |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
1070 (loop-destr-temps nil) (loop-symbol-macs nil) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
1071 (args (append clauses '(cl-end-loop)))) |
| 428 | 1072 (while (not (eq (car args) 'cl-end-loop)) (cl-parse-loop-clause)) |
| 1073 (if loop-finish-flag | |
| 2153 | 1074 (push (list (list loop-finish-flag t)) loop-bindings)) |
| 428 | 1075 (if loop-first-flag |
| 2153 | 1076 (progn (push (list (list loop-first-flag t)) loop-bindings) |
| 1077 (push (list 'setq loop-first-flag nil) loop-steps))) | |
| 428 | 1078 (let* ((epilogue (nconc (nreverse loop-finally) |
| 1079 (list (or loop-result-explicit loop-result)))) | |
| 1080 (ands (cl-loop-build-ands (nreverse loop-body))) | |
| 1081 (while-body (nconc (cadr ands) (nreverse loop-steps))) | |
| 1082 (body (append | |
| 1083 (nreverse loop-initially) | |
| 1084 (list (if loop-map-form | |
| 1085 (list 'block '--cl-finish-- | |
| 1086 (subst | |
| 1087 (if (eq (car ands) t) while-body | |
| 1088 (cons (list 'or (car ands) | |
| 1089 '(return-from --cl-finish-- | |
| 1090 nil)) | |
| 1091 while-body)) | |
| 1092 '--cl-map loop-map-form)) | |
| 1093 (list* 'while (car ands) while-body))) | |
| 1094 (if loop-finish-flag | |
| 1346 | 1095 (if (equal epilogue '(nil)) |
| 1096 ;; XEmacs change: When epilogue is nil and | |
| 1097 ;; loop-finish-flag exists, you get a byte-compiler | |
| 1098 ;; warning using the original (commented-out) | |
| 1099 ;; code below. So instead we create a form that | |
| 1100 ;; gives the same result but uses loop-finish-flag. | |
| 1101 ;; --ben | |
| 1102 ;(list loop-result-var) | |
| 1103 (list (list 'if loop-finish-flag | |
| 1104 loop-result-var loop-result-var)) | |
| 428 | 1105 (list (list 'if loop-finish-flag |
| 1106 (cons 'progn epilogue) loop-result-var))) | |
| 1107 epilogue)))) | |
| 2153 | 1108 (if loop-result-var (push (list loop-result-var) loop-bindings)) |
| 428 | 1109 (while loop-bindings |
| 1110 (if (cdar loop-bindings) | |
| 2153 | 1111 (setq body (list (cl-loop-let (pop loop-bindings) body t))) |
| 428 | 1112 (let ((lets nil)) |
| 1113 (while (and loop-bindings | |
| 1114 (not (cdar loop-bindings))) | |
| 2153 | 1115 (push (car (pop loop-bindings)) lets)) |
| 428 | 1116 (setq body (list (cl-loop-let lets body nil)))))) |
| 1117 (if loop-symbol-macs | |
| 1118 (setq body (list (list* 'symbol-macrolet loop-symbol-macs body)))) | |
| 1119 (list* 'block loop-name body))))) | |
| 1120 | |
| 1121 (defun cl-parse-loop-clause () ; uses args, loop-* | |
| 2153 | 1122 (let ((word (pop args)) |
| 428 | 1123 (hash-types '(hash-key hash-keys hash-value hash-values)) |
| 1124 (key-types '(key-code key-codes key-seq key-seqs | |
| 1125 key-binding key-bindings))) | |
| 1126 (cond | |
| 1127 | |
| 1128 ((null args) | |
| 1129 (error "Malformed `loop' macro")) | |
| 1130 | |
| 1131 ((eq word 'named) | |
| 2153 | 1132 (setq loop-name (pop args))) |
| 428 | 1133 |
| 1134 ((eq word 'initially) | |
| 2153 | 1135 (if (memq (car args) '(do doing)) (pop args)) |
| 428 | 1136 (or (consp (car args)) (error "Syntax error on `initially' clause")) |
| 1137 (while (consp (car args)) | |
| 2153 | 1138 (push (pop args) loop-initially))) |
| 428 | 1139 |
| 1140 ((eq word 'finally) | |
| 1141 (if (eq (car args) 'return) | |
| 1142 (setq loop-result-explicit (or (cl-pop2 args) '(quote nil))) | |
| 2153 | 1143 (if (memq (car args) '(do doing)) (pop args)) |
| 428 | 1144 (or (consp (car args)) (error "Syntax error on `finally' clause")) |
| 1145 (if (and (eq (caar args) 'return) (null loop-name)) | |
| 2153 | 1146 (setq loop-result-explicit (or (nth 1 (pop args)) '(quote nil))) |
| 428 | 1147 (while (consp (car args)) |
| 2153 | 1148 (push (pop args) loop-finally))))) |
| 428 | 1149 |
| 1150 ((memq word '(for as)) | |
| 1151 (let ((loop-for-bindings nil) (loop-for-sets nil) (loop-for-steps nil) | |
| 1152 (ands nil)) | |
| 1153 (while | |
| 2153 | 1154 (let ((var (or (pop args) (gensym)))) |
| 1155 (setq word (pop args)) | |
| 1156 (if (eq word 'being) (setq word (pop args))) | |
| 1157 (if (memq word '(the each)) (setq word (pop args))) | |
| 428 | 1158 (if (memq word '(buffer buffers)) |
| 1159 (setq word 'in args (cons '(buffer-list) args))) | |
| 1160 (cond | |
| 1161 | |
| 1162 ((memq word '(from downfrom upfrom to downto upto | |
| 1163 above below by)) | |
| 2153 | 1164 (push word args) |
| 428 | 1165 (if (memq (car args) '(downto above)) |
| 1166 (error "Must specify `from' value for downward loop")) | |
| 1167 (let* ((down (or (eq (car args) 'downfrom) | |
| 1168 (memq (caddr args) '(downto above)))) | |
| 1169 (excl (or (memq (car args) '(above below)) | |
| 1170 (memq (caddr args) '(above below)))) | |
| 1171 (start (and (memq (car args) '(from upfrom downfrom)) | |
| 1172 (cl-pop2 args))) | |
| 1173 (end (and (memq (car args) | |
| 1174 '(to upto downto above below)) | |
| 1175 (cl-pop2 args))) | |
| 1176 (step (and (eq (car args) 'by) (cl-pop2 args))) | |
| 1177 (end-var (and (not (cl-const-expr-p end)) (gensym))) | |
| 1178 (step-var (and (not (cl-const-expr-p step)) | |
| 1179 (gensym)))) | |
| 1180 (and step (numberp step) (<= step 0) | |
| 1181 (error "Loop `by' value is not positive: %s" step)) | |
| 2153 | 1182 (push (list var (or start 0)) loop-for-bindings) |
| 1183 (if end-var (push (list end-var end) loop-for-bindings)) | |
| 1184 (if step-var (push (list step-var step) | |
| 428 | 1185 loop-for-bindings)) |
| 1186 (if end | |
| 2153 | 1187 (push (list |
| 428 | 1188 (if down (if excl '> '>=) (if excl '< '<=)) |
| 1189 var (or end-var end)) loop-body)) | |
| 2153 | 1190 (push (list var (list (if down '- '+) var |
| 428 | 1191 (or step-var step 1))) |
| 1192 loop-for-steps))) | |
| 1193 | |
| 1194 ((memq word '(in in-ref on)) | |
| 1195 (let* ((on (eq word 'on)) | |
| 1196 (temp (if (and on (symbolp var)) var (gensym)))) | |
| 2153 | 1197 (push (list temp (pop args)) loop-for-bindings) |
| 1198 (push (list 'consp temp) loop-body) | |
| 428 | 1199 (if (eq word 'in-ref) |
| 2153 | 1200 (push (list var (list 'car temp)) loop-symbol-macs) |
| 428 | 1201 (or (eq temp var) |
| 1202 (progn | |
| 2153 | 1203 (push (list var nil) loop-for-bindings) |
| 1204 (push (list var (if on temp (list 'car temp))) | |
| 428 | 1205 loop-for-sets)))) |
| 2153 | 1206 (push (list temp |
| 428 | 1207 (if (eq (car args) 'by) |
| 1208 (let ((step (cl-pop2 args))) | |
| 1209 (if (and (memq (car-safe step) | |
| 1210 '(quote function | |
| 1211 function*)) | |
| 1212 (symbolp (nth 1 step))) | |
| 1213 (list (nth 1 step) temp) | |
| 1214 (list 'funcall step temp))) | |
| 1215 (list 'cdr temp))) | |
| 1216 loop-for-steps))) | |
| 1217 | |
| 1218 ((eq word '=) | |
| 2153 | 1219 (let* ((start (pop args)) |
| 428 | 1220 (then (if (eq (car args) 'then) (cl-pop2 args) start))) |
| 2153 | 1221 (push (list var nil) loop-for-bindings) |
| 428 | 1222 (if (or ands (eq (car args) 'and)) |
| 1223 (progn | |
| 2153 | 1224 (push (list var |
| 428 | 1225 (list 'if |
| 1226 (or loop-first-flag | |
| 1227 (setq loop-first-flag | |
| 1228 (gensym))) | |
| 1229 start var)) | |
| 1230 loop-for-sets) | |
| 2153 | 1231 (push (list var then) loop-for-steps)) |
| 1232 (push (list var | |
| 428 | 1233 (if (eq start then) start |
| 1234 (list 'if | |
| 1235 (or loop-first-flag | |
| 1236 (setq loop-first-flag (gensym))) | |
| 1237 start then))) | |
| 1238 loop-for-sets)))) | |
| 1239 | |
| 1240 ((memq word '(across across-ref)) | |
| 1241 (let ((temp-vec (gensym)) (temp-idx (gensym))) | |
| 2153 | 1242 (push (list temp-vec (pop args)) loop-for-bindings) |
| 1243 (push (list temp-idx -1) loop-for-bindings) | |
| 1244 (push (list '< (list 'setq temp-idx (list '1+ temp-idx)) | |
| 428 | 1245 (list 'length temp-vec)) loop-body) |
| 1246 (if (eq word 'across-ref) | |
| 2153 | 1247 (push (list var (list 'aref temp-vec temp-idx)) |
| 428 | 1248 loop-symbol-macs) |
| 2153 | 1249 (push (list var nil) loop-for-bindings) |
| 1250 (push (list var (list 'aref temp-vec temp-idx)) | |
| 428 | 1251 loop-for-sets)))) |
| 1252 | |
| 1253 ((memq word '(element elements)) | |
| 1254 (let ((ref (or (memq (car args) '(in-ref of-ref)) | |
| 1255 (and (not (memq (car args) '(in of))) | |
| 1256 (error "Expected `of'")))) | |
| 1257 (seq (cl-pop2 args)) | |
| 1258 (temp-seq (gensym)) | |
| 1259 (temp-idx (if (eq (car args) 'using) | |
| 1260 (if (and (= (length (cadr args)) 2) | |
| 1261 (eq (caadr args) 'index)) | |
| 1262 (cadr (cl-pop2 args)) | |
| 1263 (error "Bad `using' clause")) | |
| 1264 (gensym)))) | |
| 2153 | 1265 (push (list temp-seq seq) loop-for-bindings) |
| 1266 (push (list temp-idx 0) loop-for-bindings) | |
| 428 | 1267 (if ref |
| 1268 (let ((temp-len (gensym))) | |
| 2153 | 1269 (push (list temp-len (list 'length temp-seq)) |
| 428 | 1270 loop-for-bindings) |
| 2153 | 1271 (push (list var (list 'elt temp-seq temp-idx)) |
| 428 | 1272 loop-symbol-macs) |
| 2153 | 1273 (push (list '< temp-idx temp-len) loop-body)) |
| 1274 (push (list var nil) loop-for-bindings) | |
| 1275 (push (list 'and temp-seq | |
| 428 | 1276 (list 'or (list 'consp temp-seq) |
| 1277 (list '< temp-idx | |
| 1278 (list 'length temp-seq)))) | |
| 1279 loop-body) | |
| 2153 | 1280 (push (list var (list 'if (list 'consp temp-seq) |
| 428 | 1281 (list 'pop temp-seq) |
| 1282 (list 'aref temp-seq temp-idx))) | |
| 1283 loop-for-sets)) | |
| 2153 | 1284 (push (list temp-idx (list '1+ temp-idx)) |
| 428 | 1285 loop-for-steps))) |
| 1286 | |
| 1287 ((memq word hash-types) | |
| 1288 (or (memq (car args) '(in of)) (error "Expected `of'")) | |
| 1289 (let* ((table (cl-pop2 args)) | |
| 1290 (other (if (eq (car args) 'using) | |
| 1291 (if (and (= (length (cadr args)) 2) | |
| 1292 (memq (caadr args) hash-types) | |
| 1293 (not (eq (caadr args) word))) | |
| 1294 (cadr (cl-pop2 args)) | |
| 1295 (error "Bad `using' clause")) | |
| 1296 (gensym)))) | |
| 1297 (if (memq word '(hash-value hash-values)) | |
| 1298 (setq var (prog1 other (setq other var)))) | |
| 1299 (setq loop-map-form | |
| 1300 (list 'maphash (list 'function | |
| 1301 (list* 'lambda (list var other) | |
| 1302 '--cl-map)) table)))) | |
| 1303 | |
| 1304 ((memq word '(symbol present-symbol external-symbol | |
| 1305 symbols present-symbols external-symbols)) | |
| 1306 (let ((ob (and (memq (car args) '(in of)) (cl-pop2 args)))) | |
| 1307 (setq loop-map-form | |
| 1308 (list 'mapatoms (list 'function | |
| 1309 (list* 'lambda (list var) | |
| 1310 '--cl-map)) ob)))) | |
| 1311 | |
| 1312 ((memq word '(overlay overlays extent extents)) | |
| 1313 (let ((buf nil) (from nil) (to nil)) | |
| 1314 (while (memq (car args) '(in of from to)) | |
| 1315 (cond ((eq (car args) 'from) (setq from (cl-pop2 args))) | |
| 1316 ((eq (car args) 'to) (setq to (cl-pop2 args))) | |
| 1317 (t (setq buf (cl-pop2 args))))) | |
| 1318 (setq loop-map-form | |
| 1319 (list 'cl-map-extents | |
| 1320 (list 'function (list 'lambda (list var (gensym)) | |
| 1321 '(progn . --cl-map) nil)) | |
| 1322 buf from to)))) | |
| 1323 | |
| 1324 ((memq word '(interval intervals)) | |
| 1325 (let ((buf nil) (prop nil) (from nil) (to nil) | |
| 1326 (var1 (gensym)) (var2 (gensym))) | |
| 1327 (while (memq (car args) '(in of property from to)) | |
| 1328 (cond ((eq (car args) 'from) (setq from (cl-pop2 args))) | |
| 1329 ((eq (car args) 'to) (setq to (cl-pop2 args))) | |
| 1330 ((eq (car args) 'property) | |
| 1331 (setq prop (cl-pop2 args))) | |
| 1332 (t (setq buf (cl-pop2 args))))) | |
| 1333 (if (and (consp var) (symbolp (car var)) (symbolp (cdr var))) | |
| 1334 (setq var1 (car var) var2 (cdr var)) | |
| 2153 | 1335 (push (list var (list 'cons var1 var2)) loop-for-sets)) |
| 428 | 1336 (setq loop-map-form |
| 1337 (list 'cl-map-intervals | |
| 1338 (list 'function (list 'lambda (list var1 var2) | |
| 1339 '(progn . --cl-map))) | |
| 1340 buf prop from to)))) | |
| 1341 | |
| 1342 ((memq word key-types) | |
| 1343 (or (memq (car args) '(in of)) (error "Expected `of'")) | |
| 800 | 1344 (let* ((map (cl-pop2 args)) |
| 1345 other-word | |
| 1346 (other (if (eq (car args) 'using) | |
| 1347 (if (and (= (length (cadr args)) 2) | |
| 1348 (memq (setq other-word (caadr args)) | |
| 1349 key-types) | |
| 1350 (not (eq (caadr args) word))) | |
| 1351 (cadr (cl-pop2 args)) | |
| 1352 (error "Bad `using' clause")) | |
| 428 | 1353 (gensym)))) |
| 2153 | 1354 ;; XEmacs addition: track other-word |
| 800 | 1355 (when (memq word '(key-binding key-bindings)) |
| 1356 (setq var (prog1 other (setq other var))) | |
| 1357 (and other-word (setq word other-word))) | |
| 428 | 1358 (setq loop-map-form |
| 1359 (list (if (memq word '(key-seq key-seqs)) | |
| 2153 | 1360 'cl-map-keymap-recursively 'map-keymap) |
| 428 | 1361 (list 'function (list* 'lambda (list var other) |
| 1362 '--cl-map)) map)))) | |
| 1363 | |
| 1364 ((memq word '(frame frames screen screens)) | |
| 1365 (let ((temp (gensym))) | |
| 2153 | 1366 (push (list var '(selected-frame)) |
| 428 | 1367 loop-for-bindings) |
| 2153 | 1368 (push (list temp nil) loop-for-bindings) |
| 1369 (push (list 'prog1 (list 'not (list 'eq var temp)) | |
| 428 | 1370 (list 'or temp (list 'setq temp var))) |
| 1371 loop-body) | |
| 2153 | 1372 (push (list var (list 'next-frame var)) |
| 428 | 1373 loop-for-steps))) |
| 1374 | |
| 1375 ((memq word '(window windows)) | |
| 1376 (let ((scr (and (memq (car args) '(in of)) (cl-pop2 args))) | |
| 1377 (temp (gensym))) | |
| 2153 | 1378 (push (list var (if scr |
| 428 | 1379 (list 'frame-selected-window scr) |
| 1380 '(selected-window))) | |
| 1381 loop-for-bindings) | |
| 2153 | 1382 (push (list temp nil) loop-for-bindings) |
| 1383 (push (list 'prog1 (list 'not (list 'eq var temp)) | |
| 428 | 1384 (list 'or temp (list 'setq temp var))) |
| 1385 loop-body) | |
| 2153 | 1386 (push (list var (list 'next-window var)) loop-for-steps))) |
| 428 | 1387 |
| 1388 (t | |
| 1389 (let ((handler (and (symbolp word) | |
| 1390 (get word 'cl-loop-for-handler)))) | |
| 1391 (if handler | |
| 1392 (funcall handler var) | |
| 1393 (error "Expected a `for' preposition, found %s" word))))) | |
| 1394 (eq (car args) 'and)) | |
| 1395 (setq ands t) | |
| 2153 | 1396 (pop args)) |
| 428 | 1397 (if (and ands loop-for-bindings) |
| 2153 | 1398 (push (nreverse loop-for-bindings) loop-bindings) |
| 428 | 1399 (setq loop-bindings (nconc (mapcar 'list loop-for-bindings) |
| 1400 loop-bindings))) | |
| 1401 (if loop-for-sets | |
| 2153 | 1402 (push (list 'progn |
| 428 | 1403 (cl-loop-let (nreverse loop-for-sets) 'setq ands) |
| 1404 t) loop-body)) | |
| 1405 (if loop-for-steps | |
| 2153 | 1406 (push (cons (if ands 'psetq 'setq) |
| 428 | 1407 (apply 'append (nreverse loop-for-steps))) |
| 1408 loop-steps)))) | |
| 1409 | |
| 1410 ((eq word 'repeat) | |
| 1411 (let ((temp (gensym))) | |
| 2153 | 1412 (push (list (list temp (pop args))) loop-bindings) |
| 1413 (push (list '>= (list 'setq temp (list '1- temp)) 0) loop-body))) | |
| 1414 | |
| 1415 ((memq word '(collect collecting)) | |
| 1416 (let ((what (pop args)) | |
| 428 | 1417 (var (cl-loop-handle-accum nil 'nreverse))) |
| 1418 (if (eq var loop-accum-var) | |
| 2153 | 1419 (push (list 'progn (list 'push what var) t) loop-body) |
| 1420 (push (list 'progn | |
| 428 | 1421 (list 'setq var (list 'nconc var (list 'list what))) |
| 1422 t) loop-body)))) | |
| 1423 | |
| 1424 ((memq word '(nconc nconcing append appending)) | |
| 2153 | 1425 (let ((what (pop args)) |
| 428 | 1426 (var (cl-loop-handle-accum nil 'nreverse))) |
| 2153 | 1427 (push (list 'progn |
| 428 | 1428 (list 'setq var |
| 1429 (if (eq var loop-accum-var) | |
| 1430 (list 'nconc | |
| 1431 (list (if (memq word '(nconc nconcing)) | |
| 1432 'nreverse 'reverse) | |
| 1433 what) | |
| 1434 var) | |
| 1435 (list (if (memq word '(nconc nconcing)) | |
| 1436 'nconc 'append) | |
| 1437 var what))) t) loop-body))) | |
| 1438 | |
| 1439 ((memq word '(concat concating)) | |
| 2153 | 1440 (let ((what (pop args)) |
| 428 | 1441 (var (cl-loop-handle-accum ""))) |
| 2153 | 1442 (push (list 'progn (list 'callf 'concat var what) t) loop-body))) |
| 428 | 1443 |
| 1444 ((memq word '(vconcat vconcating)) | |
| 2153 | 1445 (let ((what (pop args)) |
| 428 | 1446 (var (cl-loop-handle-accum []))) |
| 2153 | 1447 (push (list 'progn (list 'callf 'vconcat var what) t) loop-body))) |
| 1448 | |
| 1449 ;; XEmacs addition: handle bit-vectors | |
| 800 | 1450 ((memq word '(bvconcat bvconcating)) |
| 2153 | 1451 (let ((what (pop args)) |
| 800 | 1452 (var (cl-loop-handle-accum #*))) |
| 2153 | 1453 (push (list 'progn (list 'callf 'bvconcat var what) t) loop-body))) |
| 800 | 1454 |
| 428 | 1455 ((memq word '(sum summing)) |
| 2153 | 1456 (let ((what (pop args)) |
| 428 | 1457 (var (cl-loop-handle-accum 0))) |
| 2153 | 1458 (push (list 'progn (list 'incf var what) t) loop-body))) |
| 428 | 1459 |
| 1460 ((memq word '(count counting)) | |
| 2153 | 1461 (let ((what (pop args)) |
| 428 | 1462 (var (cl-loop-handle-accum 0))) |
| 2153 | 1463 (push (list 'progn (list 'if what (list 'incf var)) t) loop-body))) |
| 428 | 1464 |
| 1465 ((memq word '(minimize minimizing maximize maximizing)) | |
| 2153 | 1466 (let* ((what (pop args)) |
| 428 | 1467 (temp (if (cl-simple-expr-p what) what (gensym))) |
| 1468 (var (cl-loop-handle-accum nil)) | |
| 1469 (func (intern (substring (symbol-name word) 0 3))) | |
| 1470 (set (list 'setq var (list 'if var (list func var temp) temp)))) | |
| 2153 | 1471 (push (list 'progn (if (eq temp what) set |
| 428 | 1472 (list 'let (list (list temp what)) set)) |
| 1473 t) loop-body))) | |
| 1474 | |
| 1475 ((eq word 'with) | |
| 1476 (let ((bindings nil)) | |
| 2153 | 1477 (while (progn (push (list (pop args) |
| 428 | 1478 (and (eq (car args) '=) (cl-pop2 args))) |
| 1479 bindings) | |
| 1480 (eq (car args) 'and)) | |
| 2153 | 1481 (pop args)) |
| 1482 (push (nreverse bindings) loop-bindings))) | |
| 428 | 1483 |
| 1484 ((eq word 'while) | |
| 2153 | 1485 (push (pop args) loop-body)) |
| 428 | 1486 |
| 1487 ((eq word 'until) | |
| 2153 | 1488 (push (list 'not (pop args)) loop-body)) |
| 428 | 1489 |
| 1490 ((eq word 'always) | |
| 1491 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 2153 | 1492 (push (list 'setq loop-finish-flag (pop args)) loop-body) |
| 428 | 1493 (setq loop-result t)) |
| 1494 | |
| 1495 ((eq word 'never) | |
| 1496 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 2153 | 1497 (push (list 'setq loop-finish-flag (list 'not (pop args))) |
| 428 | 1498 loop-body) |
| 1499 (setq loop-result t)) | |
| 1500 | |
| 1501 ((eq word 'thereis) | |
| 1502 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 1503 (or loop-result-var (setq loop-result-var (gensym))) | |
| 2153 | 1504 (push (list 'setq loop-finish-flag |
| 1505 (list 'not (list 'setq loop-result-var (pop args)))) | |
| 428 | 1506 loop-body)) |
| 1507 | |
| 1508 ((memq word '(if when unless)) | |
| 2153 | 1509 (let* ((cond (pop args)) |
| 428 | 1510 (then (let ((loop-body nil)) |
| 1511 (cl-parse-loop-clause) | |
| 1512 (cl-loop-build-ands (nreverse loop-body)))) | |
| 1513 (else (let ((loop-body nil)) | |
| 1514 (if (eq (car args) 'else) | |
| 2153 | 1515 (progn (pop args) (cl-parse-loop-clause))) |
| 428 | 1516 (cl-loop-build-ands (nreverse loop-body)))) |
| 1517 (simple (and (eq (car then) t) (eq (car else) t)))) | |
| 2153 | 1518 (if (eq (car args) 'end) (pop args)) |
| 428 | 1519 (if (eq word 'unless) (setq then (prog1 else (setq else then)))) |
| 1520 (let ((form (cons (if simple (cons 'progn (nth 1 then)) (nth 2 then)) | |
| 1521 (if simple (nth 1 else) (list (nth 2 else)))))) | |
| 1522 (if (cl-expr-contains form 'it) | |
| 1523 (let ((temp (gensym))) | |
| 2153 | 1524 (push (list temp) loop-bindings) |
| 428 | 1525 (setq form (list* 'if (list 'setq temp cond) |
| 1526 (subst temp 'it form)))) | |
| 1527 (setq form (list* 'if cond form))) | |
| 2153 | 1528 (push (if simple (list 'progn form t) form) loop-body)))) |
| 428 | 1529 |
| 1530 ((memq word '(do doing)) | |
| 1531 (let ((body nil)) | |
| 1532 (or (consp (car args)) (error "Syntax error on `do' clause")) | |
| 2153 | 1533 (while (consp (car args)) (push (pop args) body)) |
| 1534 (push (cons 'progn (nreverse (cons t body))) loop-body))) | |
| 428 | 1535 |
| 1536 ((eq word 'return) | |
| 1537 (or loop-finish-flag (setq loop-finish-flag (gensym))) | |
| 1538 (or loop-result-var (setq loop-result-var (gensym))) | |
| 2153 | 1539 (push (list 'setq loop-result-var (pop args) |
| 428 | 1540 loop-finish-flag nil) loop-body)) |
| 1541 | |
| 1542 (t | |
| 1543 (let ((handler (and (symbolp word) (get word 'cl-loop-handler)))) | |
| 1544 (or handler (error "Expected a loop keyword, found %s" word)) | |
| 1545 (funcall handler)))) | |
| 1546 (if (eq (car args) 'and) | |
| 2153 | 1547 (progn (pop args) (cl-parse-loop-clause))))) |
| 428 | 1548 |
| 1549 (defun cl-loop-let (specs body par) ; uses loop-* | |
| 1550 (let ((p specs) (temps nil) (new nil)) | |
| 1551 (while (and p (or (symbolp (car-safe (car p))) (null (cadar p)))) | |
| 1552 (setq p (cdr p))) | |
| 1553 (and par p | |
| 1554 (progn | |
| 1555 (setq par nil p specs) | |
| 1556 (while p | |
| 1557 (or (cl-const-expr-p (cadar p)) | |
| 1558 (let ((temp (gensym))) | |
| 2153 | 1559 (push (list temp (cadar p)) temps) |
| 428 | 1560 (setcar (cdar p) temp))) |
| 1561 (setq p (cdr p))))) | |
| 1562 (while specs | |
| 1563 (if (and (consp (car specs)) (listp (caar specs))) | |
| 1564 (let* ((spec (caar specs)) (nspecs nil) | |
| 2153 | 1565 (expr (cadr (pop specs))) |
| 428 | 1566 (temp (cdr (or (assq spec loop-destr-temps) |
| 2153 | 1567 (car (push (cons spec (or (last spec 0) |
| 428 | 1568 (gensym))) |
| 1569 loop-destr-temps)))))) | |
| 2153 | 1570 (push (list temp expr) new) |
| 428 | 1571 (while (consp spec) |
| 2153 | 1572 (push (list (pop spec) |
| 428 | 1573 (and expr (list (if spec 'pop 'car) temp))) |
| 1574 nspecs)) | |
| 1575 (setq specs (nconc (nreverse nspecs) specs))) | |
| 2153 | 1576 (push (pop specs) new))) |
| 428 | 1577 (if (eq body 'setq) |
| 1578 (let ((set (cons (if par 'psetq 'setq) (apply 'nconc (nreverse new))))) | |
| 1579 (if temps (list 'let* (nreverse temps) set) set)) | |
| 1580 (list* (if par 'let 'let*) | |
| 1581 (nconc (nreverse temps) (nreverse new)) body)))) | |
| 1582 | |
| 1583 (defun cl-loop-handle-accum (def &optional func) ; uses args, loop-* | |
| 1584 (if (eq (car args) 'into) | |
| 1585 (let ((var (cl-pop2 args))) | |
| 1586 (or (memq var loop-accum-vars) | |
| 2153 | 1587 (progn (push (list (list var def)) loop-bindings) |
| 1588 (push var loop-accum-vars))) | |
| 428 | 1589 var) |
| 1590 (or loop-accum-var | |
| 1591 (progn | |
| 2153 | 1592 (push (list (list (setq loop-accum-var (gensym)) def)) |
| 428 | 1593 loop-bindings) |
| 1594 (setq loop-result (if func (list func loop-accum-var) | |
| 1595 loop-accum-var)) | |
| 1596 loop-accum-var)))) | |
| 1597 | |
| 1598 (defun cl-loop-build-ands (clauses) | |
| 1599 (let ((ands nil) | |
| 1600 (body nil)) | |
| 1601 (while clauses | |
| 1602 (if (and (eq (car-safe (car clauses)) 'progn) | |
| 1603 (eq (car (last (car clauses))) t)) | |
| 1604 (if (cdr clauses) | |
| 1605 (setq clauses (cons (nconc (butlast (car clauses)) | |
| 1606 (if (eq (car-safe (cadr clauses)) | |
| 1607 'progn) | |
| 1608 (cdadr clauses) | |
| 1609 (list (cadr clauses)))) | |
| 1610 (cddr clauses))) | |
| 2153 | 1611 (setq body (cdr (butlast (pop clauses))))) |
| 1612 (push (pop clauses) ands))) | |
| 428 | 1613 (setq ands (or (nreverse ands) (list t))) |
| 1614 (list (if (cdr ands) (cons 'and ands) (car ands)) | |
| 1615 body | |
| 1616 (let ((full (if body | |
| 1617 (append ands (list (cons 'progn (append body '(t))))) | |
| 1618 ands))) | |
| 1619 (if (cdr full) (cons 'and full) (car full)))))) | |
| 1620 | |
| 1621 | |
| 1622 ;;; Other iteration control structures. | |
| 1623 | |
| 1624 ;;;###autoload | |
| 1625 (defmacro do (steps endtest &rest body) | |
| 1626 "The Common Lisp `do' loop. | |
| 1627 Format is: (do ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)" | |
| 1628 (cl-expand-do-loop steps endtest body nil)) | |
| 1629 | |
| 1630 ;;;###autoload | |
| 1631 (defmacro do* (steps endtest &rest body) | |
| 1632 "The Common Lisp `do*' loop. | |
| 1633 Format is: (do* ((VAR INIT [STEP])...) (END-TEST [RESULT...]) BODY...)" | |
| 1634 (cl-expand-do-loop steps endtest body t)) | |
| 1635 | |
| 1636 (defun cl-expand-do-loop (steps endtest body star) | |
| 1637 (list 'block nil | |
| 1638 (list* (if star 'let* 'let) | |
| 1639 (mapcar #'(lambda (c) (if (consp c) (list (car c) (nth 1 c)) c)) | |
| 1640 steps) | |
| 1641 (list* 'while (list 'not (car endtest)) | |
| 1642 (append body | |
| 1643 (let ((sets (mapcar | |
| 1644 #'(lambda (c) | |
| 1645 (and (consp c) (cdr (cdr c)) | |
| 1646 (list (car c) (nth 2 c)))) | |
| 1647 steps))) | |
| 1648 (setq sets (delq nil sets)) | |
| 1649 (and sets | |
| 1650 (list (cons (if (or star (not (cdr sets))) | |
| 1651 'setq 'psetq) | |
| 1652 (apply 'append sets))))))) | |
| 1653 (or (cdr endtest) '(nil))))) | |
| 1654 | |
| 1655 ;;;###autoload | |
|
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1656 (defmacro* dolist ((var list &optional result) &body body) |
|
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1657 "Loop over a list. |
| 428 | 1658 Evaluate BODY with VAR bound to each `car' from LIST, in turn. |
|
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1659 Then evaluate RESULT to get return value, default nil." |
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1660 (let ((gensym (gensym))) |
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1661 `(block nil |
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1662 (let ((,gensym ,list) ,var) |
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1663 (while ,gensym |
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1664 (setq ,var (car ,gensym)) |
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1665 ,@body |
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1666 (setq ,gensym (cdr ,gensym))) |
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1667 ,@(if result `((setq ,var nil) ,result)))))) |
| 428 | 1668 |
| 1669 ;;;###autoload | |
|
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1670 (defmacro* dotimes ((var count &optional result) &body body) |
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1671 "Loop a certain number of times. |
| 428 | 1672 Evaluate BODY with VAR bound to successive integers from 0, inclusive, |
| 1673 to COUNT, exclusive. Then evaluate RESULT to get return value, default | |
|
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1674 nil." |
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1675 (let* ((limit (if (cl-const-expr-p count) count (gensym))) |
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1676 (bind (if (cl-const-expr-p count) nil `((,limit ,count))))) |
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1677 `(block nil |
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1678 (let ((,var 0) ,@bind) |
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1679 (while (< ,var ,limit) |
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1680 ,@body |
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1681 (setq ,var (1+ ,var))) |
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|
1682 ,@(if result (list result)))))) |
| 428 | 1683 |
| 1684 ;;;###autoload | |
|
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1685 (defmacro* do-symbols ((var &optional obarray result) &rest body) |
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|
1686 "Loop over all interned symbols. |
| 428 | 1687 Evaluate BODY with VAR bound to each interned symbol, or to each symbol |
|
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1688 from OBARRAY." |
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1689 `(block nil |
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1690 (mapatoms #'(lambda (,var) ,@body) ,@(and obarray (list obarray))) |
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1691 ,@(if result `((let (,var) ,result))))) |
| 428 | 1692 |
| 1693 ;;;###autoload | |
| 1694 (defmacro do-all-symbols (spec &rest body) | |
| 1695 (list* 'do-symbols (list (car spec) nil (cadr spec)) body)) | |
| 1696 | |
| 1697 | |
| 1698 ;;; Assignments. | |
| 1699 | |
| 1700 ;;;###autoload | |
| 1701 (defmacro psetq (&rest args) | |
| 1702 "(psetq SYM VAL SYM VAL ...): set SYMs to the values VALs in parallel. | |
| 1703 This is like `setq', except that all VAL forms are evaluated (in order) | |
| 1704 before assigning any symbols SYM to the corresponding values." | |
| 1705 (cons 'psetf args)) | |
| 1706 | |
| 1707 | |
| 1708 ;;; Binding control structures. | |
| 1709 | |
| 1710 ;;;###autoload | |
| 1711 (defmacro progv (symbols values &rest body) | |
|
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1712 "Bind SYMBOLS to VALUES dynamically in BODY. |
| 428 | 1713 The forms SYMBOLS and VALUES are evaluated, and must evaluate to lists. |
| 1714 Each SYMBOL in the first list is bound to the corresponding VALUE in the | |
| 1715 second list (or made unbound if VALUES is shorter than SYMBOLS); then the | |
| 1716 BODY forms are executed and their result is returned. This is much like | |
| 1717 a `let' form, except that the list of symbols can be computed at run-time." | |
| 1718 (list 'let '((cl-progv-save nil)) | |
| 1719 (list 'unwind-protect | |
| 1720 (list* 'progn (list 'cl-progv-before symbols values) body) | |
| 1721 '(cl-progv-after)))) | |
| 1722 | |
| 1723 ;;; This should really have some way to shadow 'byte-compile properties, etc. | |
| 1724 ;;;###autoload | |
| 1725 (defmacro flet (bindings &rest body) | |
|
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1726 "Make temporary function definitions. |
| 428 | 1727 This is an analogue of `let' that operates on the function cell of FUNC |
| 1728 rather than its value cell. The FORMs are evaluated with the specified | |
| 1729 function definitions in place, then the definitions are undone (the FUNCs | |
|
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1730 go back to their previous definitions, or lack thereof). |
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1731 |
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1732 arguments: (((FUNC ARGLIST &body BODY) &rest FUNCTIONS) &body FORM)" |
| 428 | 1733 (list* 'letf* |
| 1734 (mapcar | |
| 1735 #'(lambda (x) | |
| 1736 (if (or (and (fboundp (car x)) | |
| 1737 (eq (car-safe (symbol-function (car x))) 'macro)) | |
| 1738 (cdr (assq (car x) cl-macro-environment))) | |
| 1739 (error "Use `labels', not `flet', to rebind macro names")) | |
| 1740 (let ((func (list 'function* | |
| 1741 (list 'lambda (cadr x) | |
| 1742 (list* 'block (car x) (cddr x)))))) | |
| 1743 (if (and (cl-compiling-file) | |
| 1744 (boundp 'byte-compile-function-environment)) | |
| 2153 | 1745 (push (cons (car x) (eval func)) |
| 428 | 1746 byte-compile-function-environment)) |
| 1747 (list (list 'symbol-function (list 'quote (car x))) func))) | |
| 1748 bindings) | |
| 1749 body)) | |
| 1750 | |
| 1751 ;;;###autoload | |
| 1752 (defmacro labels (bindings &rest body) | |
|
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1753 "Make temporary func bindings. |
| 428 | 1754 This is like `flet', except the bindings are lexical instead of dynamic. |
|
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1755 Unlike `flet', this macro is fully compliant with the Common Lisp standard. |
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1756 |
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1757 arguments: (((FUNC ARGLIST &body BODY) &rest FUNCTIONS) &body FORM)" |
| 428 | 1758 (let ((vars nil) (sets nil) (cl-macro-environment cl-macro-environment)) |
| 1759 (while bindings | |
| 1760 (let ((var (gensym))) | |
| 2153 | 1761 (push var vars) |
| 1762 (push (list 'function* (cons 'lambda (cdar bindings))) sets) | |
| 1763 (push var sets) | |
| 1764 (push (list (car (pop bindings)) 'lambda '(&rest cl-labels-args) | |
| 428 | 1765 (list 'list* '(quote funcall) (list 'quote var) |
| 1766 'cl-labels-args)) | |
| 1767 cl-macro-environment))) | |
| 1768 (cl-macroexpand-all (list* 'lexical-let vars (cons (cons 'setq sets) body)) | |
| 1769 cl-macro-environment))) | |
| 1770 | |
| 1771 ;; The following ought to have a better definition for use with newer | |
| 1772 ;; byte compilers. | |
| 1773 ;;;###autoload | |
|
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1774 (defmacro* macrolet (((name arglist &optional docstring &body body) |
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1775 &rest macros) &body form) |
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1776 "Make temporary macro definitions. |
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1777 This is like `flet', but for macros instead of functions." |
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1778 (cl-macroexpand-all (cons 'progn form) |
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1779 (nconc |
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1780 (loop |
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Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1781 for (name . details) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1782 in (cons (list* name arglist docstring body) macros) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1783 collect |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1784 (list* name 'lambda |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1785 (prog1 |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1786 (cdr (setq details (cl-transform-lambda |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1787 details name))) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1788 (eval (car details))))) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1789 cl-macro-environment))) |
| 428 | 1790 |
| 1791 ;;;###autoload | |
|
5326
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1792 (defmacro* symbol-macrolet (((name expansion) &rest symbol-macros) &body form) |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
1793 "Make symbol macro definitions. |
| 428 | 1794 Within the body FORMs, references to the variable NAME will be replaced |
|
5326
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1795 by EXPANSION, and (setq NAME ...) will act like (setf EXPANSION ...)." |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1796 (cl-macroexpand-all (cons 'progn form) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1797 (append (list (list (symbol-name name) expansion)) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1798 (loop |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1799 for (name expansion) in symbol-macros |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1800 collect (list (symbol-name name) expansion)) |
|
60ba780f9078
Use defmacro* when defining dolist, dotimes, do-symbols, macrolet, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5317
diff
changeset
|
1801 cl-macro-environment))) |
| 428 | 1802 |
| 1803 (defvar cl-closure-vars nil) | |
| 1804 ;;;###autoload | |
| 1805 (defmacro lexical-let (bindings &rest body) | |
|
4695
fee33ab25966
Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4694
diff
changeset
|
1806 "Like `let', but lexically scoped. |
| 428 | 1807 The main visible difference is that lambdas inside BODY will create |
| 1808 lexical closures as in Common Lisp." | |
| 1809 (let* ((cl-closure-vars cl-closure-vars) | |
| 1810 (vars (mapcar #'(lambda (x) | |
| 1811 (or (consp x) (setq x (list x))) | |
| 2153 | 1812 (push (gensym (format "--%s--" (car x))) |
| 428 | 1813 cl-closure-vars) |
| 2153 | 1814 (set (car cl-closure-vars) [bad-lexical-ref]) |
| 428 | 1815 (list (car x) (cadr x) (car cl-closure-vars))) |
| 1816 bindings)) | |
| 1817 (ebody | |
| 1818 (cl-macroexpand-all | |
| 1819 (cons 'progn body) | |
| 1820 (nconc (mapcar #'(lambda (x) | |
| 1821 (list (symbol-name (car x)) | |
| 1822 (list 'symbol-value (caddr x)) | |
| 1823 t)) | |
| 1824 vars) | |
| 1825 (list '(defun . cl-defun-expander)) | |
| 1826 cl-macro-environment)))) | |
| 1827 (if (not (get (car (last cl-closure-vars)) 'used)) | |
| 1828 (list 'let (mapcar #'(lambda (x) (list (caddr x) (cadr x))) vars) | |
| 1829 (sublis (mapcar #'(lambda (x) | |
| 1830 (cons (caddr x) (list 'quote (caddr x)))) | |
| 1831 vars) | |
| 1832 ebody)) | |
| 1833 (list 'let (mapcar #'(lambda (x) | |
| 1834 (list (caddr x) | |
| 1835 (list 'make-symbol | |
| 1836 (format "--%s--" (car x))))) | |
| 1837 vars) | |
| 1838 (apply 'append '(setf) | |
| 1839 (mapcar #'(lambda (x) | |
| 1840 (list (list 'symbol-value (caddr x)) (cadr x))) | |
| 1841 vars)) | |
| 1842 ebody)))) | |
| 1843 | |
| 1844 ;;;###autoload | |
| 1845 (defmacro lexical-let* (bindings &rest body) | |
|
4695
fee33ab25966
Add arglist info for autoloaded functions and macros.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4694
diff
changeset
|
1846 "Like `let*', but lexically scoped. |
| 428 | 1847 The main visible difference is that lambdas inside BODY will create |
| 1848 lexical closures as in Common Lisp." | |
| 1849 (if (null bindings) (cons 'progn body) | |
| 1850 (setq bindings (reverse bindings)) | |
| 1851 (while bindings | |
| 2153 | 1852 (setq body (list (list* 'lexical-let (list (pop bindings)) body)))) |
| 428 | 1853 (car body))) |
| 1854 | |
| 1855 (defun cl-defun-expander (func &rest rest) | |
| 1856 (list 'progn | |
| 1857 (list 'defalias (list 'quote func) | |
| 1858 (list 'function (cons 'lambda rest))) | |
| 1859 (list 'quote func))) | |
| 1860 | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1861 ;;; Multiple values. We support full Common Lisp conventions here. |
| 428 | 1862 |
| 1863 ;;;###autoload | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1864 (defmacro multiple-value-bind (syms form &rest body) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1865 "Collect and bind multiple return values. |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1866 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1867 If FORM returns multiple values, each symbol in SYMS is bound to one of |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1868 them, in order, and BODY is executed. If FORM returns fewer multiple values |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1869 than there are SYMS, remaining SYMS are bound to nil. If FORM does |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1870 not return multiple values, it is treated as returning one multiple value. |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1871 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1872 Returns the value given by the last element of BODY." |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1873 (if (null syms) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1874 `(progn ,form ,@body) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1875 (if (= 1 (length syms)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1876 ;; Code written to deal with other "implementations" of multiple |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1877 ;; values may have a one-element SYMS. |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1878 `(let ((,(car syms) ,form)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1879 ,@body) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1880 (let ((temp (gensym))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1881 `(let* ((,temp (multiple-value-list-internal 0 ,(length syms) ,form)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1882 ,@(loop |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1883 for var in syms |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1884 collect `(,var (prog1 (car ,temp) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1885 (setq ,temp (cdr ,temp)))))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1886 ,@body))))) |
| 428 | 1887 |
| 1888 ;;;###autoload | |
|
4677
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1889 (defmacro multiple-value-setq (syms form) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1890 "Collect and set multiple values. |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1891 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1892 FORM should normally return multiple values; the first N values are stored |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1893 in the symbols in SYMS in turn. If FORM returns fewer than N values, the |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1894 remaining symbols have their values set to nil. FORM not returning multiple |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1895 values is treated as FORM returning one multiple value, with other elements |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1896 of SYMS initialized to nil. |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1897 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1898 Returns the first of the multiple values given by FORM." |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1899 (if (null syms) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1900 ;; Never return multiple values from multiple-value-setq: |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1901 (and form `(values ,form)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1902 (if (= 1 (length syms)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1903 `(setq ,(car syms) ,form) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1904 (let ((temp (gensym))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1905 `(let* ((,temp (multiple-value-list-internal 0 ,(length syms) ,form))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1906 (setq ,@(loop |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1907 for sym in syms |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1908 nconc `(,sym (car-safe ,temp) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1909 ,temp (cdr-safe ,temp)))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1910 ,(car syms)))))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1911 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1912 ;;;###autoload |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1913 (defmacro multiple-value-list (form) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1914 "Evaluate FORM and return a list of the multiple values it returned." |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1915 `(multiple-value-list-internal 0 multiple-values-limit ,form)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1916 |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1917 ;;;###autoload |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1918 (defmacro nth-value (n form) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1919 "Evaluate FORM and return the Nth multiple value it returned." |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1920 (if (integerp n) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1921 `(car (multiple-value-list-internal ,n ,(1+ n) ,form)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1922 (let ((temp (gensym))) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1923 `(let ((,temp ,n)) |
|
8f1ee2d15784
Support full Common Lisp multiple values in C.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4607
diff
changeset
|
1924 (car (multiple-value-list-internal ,temp (1+ ,temp) ,form)))))) |
| 428 | 1925 |
| 1926 ;;; Declarations. | |
| 1927 | |
| 1928 ;;;###autoload | |
| 1929 (defmacro locally (&rest body) (cons 'progn body)) | |
| 1930 ;;;###autoload | |
|
5263
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1931 (defmacro the (type form) |
|
5269
90a0084b3541
Rephrase the #'the docstring, make it nicer while byte-compiling.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5266
diff
changeset
|
1932 "Assert that FORM gives a result of type TYPE, and return that result. |
|
5263
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1933 |
|
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1934 TYPE is a Common Lisp type specifier. |
|
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1935 |
|
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1936 If macro expansion of a `the' form happens during byte compilation, and the |
|
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1937 byte compiler customization variable `byte-compile-delete-errors' is |
|
5269
90a0084b3541
Rephrase the #'the docstring, make it nicer while byte-compiling.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5266
diff
changeset
|
1938 non-nil, `the' is equivalent to FORM without any type checks." |
|
5263
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
changeset
|
1939 (if (cl-safe-expr-p form) |
|
0d436a78c514
Add an implementation for #'the, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5242
diff
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|
1940 `(prog1 ,form (assert ,(cl-make-type-test form type) t)) |
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1941 (let ((saved (gensym))) |
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1942 `(let ((,saved ,form)) |
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1943 (prog1 ,saved (assert ,(cl-make-type-test saved type) t)))))) |
| 428 | 1944 |
| 1945 (defvar cl-proclaim-history t) ; for future compilers | |
| 1946 (defvar cl-declare-stack t) ; for future compilers | |
| 1947 | |
| 1948 (defun cl-do-proclaim (spec hist) | |
| 2153 | 1949 (and hist (listp cl-proclaim-history) (push spec cl-proclaim-history)) |
| 428 | 1950 (cond ((eq (car-safe spec) 'special) |
| 1951 (if (boundp 'byte-compile-bound-variables) | |
| 1952 (setq byte-compile-bound-variables | |
| 442 | 1953 (append |
| 2153 | 1954 ;; XEmacs change |
| 442 | 1955 (mapcar #'(lambda (v) (cons v byte-compile-global-bit)) |
| 1956 (cdr spec)) | |
| 1957 byte-compile-bound-variables)))) | |
| 428 | 1958 |
| 1959 ((eq (car-safe spec) 'inline) | |
| 1960 (while (setq spec (cdr spec)) | |
| 1961 (or (memq (get (car spec) 'byte-optimizer) | |
| 1962 '(nil byte-compile-inline-expand)) | |
| 1963 (error "%s already has a byte-optimizer, can't make it inline" | |
| 1964 (car spec))) | |
| 1965 (put (car spec) 'byte-optimizer 'byte-compile-inline-expand))) | |
| 1966 | |
| 1967 ((eq (car-safe spec) 'notinline) | |
| 1968 (while (setq spec (cdr spec)) | |
| 1969 (if (eq (get (car spec) 'byte-optimizer) | |
| 1970 'byte-compile-inline-expand) | |
| 1971 (put (car spec) 'byte-optimizer nil)))) | |
| 1972 | |
| 1973 ((eq (car-safe spec) 'optimize) | |
| 1974 (let ((speed (assq (nth 1 (assq 'speed (cdr spec))) | |
| 446 | 1975 '((0 . nil) (1 . t) (2 . t) (3 . t)))) |
| 428 | 1976 (safety (assq (nth 1 (assq 'safety (cdr spec))) |
| 446 | 1977 '((0 . t) (1 . t) (2 . t) (3 . nil))))) |
| 1978 (when speed | |
| 1979 (setq cl-optimize-speed (car speed) | |
| 1980 byte-optimize (cdr speed))) | |
| 1981 (when safety | |
| 1982 (setq cl-optimize-safety (car safety) | |
| 1983 byte-compile-delete-errors (cdr safety))))) | |
| 428 | 1984 |
| 1985 ((and (eq (car-safe spec) 'warn) (boundp 'byte-compile-warnings)) | |
| 1986 (if (eq byte-compile-warnings t) | |
| 1987 ;; XEmacs change | |
| 1988 (setq byte-compile-warnings byte-compile-default-warnings)) | |
| 1989 (while (setq spec (cdr spec)) | |
| 1990 (if (consp (car spec)) | |
| 1991 (if (eq (cadar spec) 0) | |
| 1992 (setq byte-compile-warnings | |
| 1993 (delq (caar spec) byte-compile-warnings)) | |
| 1994 (setq byte-compile-warnings | |
| 1995 (adjoin (caar spec) byte-compile-warnings))))))) | |
| 1996 nil) | |
| 1997 | |
| 1998 ;;; Process any proclamations made before cl-macs was loaded. | |
| 1999 (defvar cl-proclaims-deferred) | |
| 2000 (let ((p (reverse cl-proclaims-deferred))) | |
| 2153 | 2001 (while p (cl-do-proclaim (pop p) t)) |
| 428 | 2002 (setq cl-proclaims-deferred nil)) |
| 2003 | |
| 2004 ;;;###autoload | |
| 2005 (defmacro declare (&rest specs) | |
| 2006 (if (cl-compiling-file) | |
| 2007 (while specs | |
| 2153 | 2008 (if (listp cl-declare-stack) (push (car specs) cl-declare-stack)) |
| 2009 (cl-do-proclaim (pop specs) nil))) | |
| 428 | 2010 nil) |
| 2011 | |
| 2012 | |
| 2013 | |
| 2014 ;;; Generalized variables. | |
| 2015 | |
| 2016 ;;;###autoload | |
|
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2017 (defmacro define-setf-method (name arglist &rest body) |
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2018 "Define a `setf' method. |
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2019 This method shows how to handle `setf's to places of the form (NAME ARGLIST...). |
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2020 The argument forms are bound according to ARGLIST, as if NAME were |
| 428 | 2021 going to be expanded as a macro, then the BODY forms are executed and must |
| 2022 return a list of five elements: a temporary-variables list, a value-forms | |
| 2023 list, a store-variables list (of length one), a store-form, and an access- | |
| 2024 form. See `defsetf' for a simpler way to define most setf-methods." | |
| 2025 (append '(eval-when (compile load eval)) | |
| 2026 (if (stringp (car body)) | |
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2027 (list (list 'put (list 'quote name) '(quote setf-documentation) |
| 2153 | 2028 (pop body)))) |
| 428 | 2029 (list (cl-transform-function-property |
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2030 name 'setf-method (cons arglist body))))) |
| 2153 | 2031 (defalias 'define-setf-expander 'define-setf-method) |
| 428 | 2032 |
| 2033 ;;;###autoload | |
| 2034 (defmacro defsetf (func arg1 &rest args) | |
| 2035 "(defsetf NAME FUNC): define a `setf' method. | |
| 2036 This macro is an easy-to-use substitute for `define-setf-method' that works | |
| 2037 well for simple place forms. In the simple `defsetf' form, `setf's of | |
| 2038 the form (setf (NAME ARGS...) VAL) are transformed to function or macro | |
| 2039 calls of the form (FUNC ARGS... VAL). Example: (defsetf aref aset). | |
| 2040 Alternate form: (defsetf NAME ARGLIST (STORE) BODY...). | |
| 2041 Here, the above `setf' call is expanded by binding the argument forms ARGS | |
| 2042 according to ARGLIST, binding the value form VAL to STORE, then executing | |
| 2043 BODY, which must return a Lisp form that does the necessary `setf' operation. | |
| 2044 Actually, ARGLIST and STORE may be bound to temporary variables which are | |
| 2045 introduced automatically to preserve proper execution order of the arguments. | |
| 2046 Example: (defsetf nth (n x) (v) (list 'setcar (list 'nthcdr n x) v))." | |
| 2047 (if (listp arg1) | |
| 2048 (let* ((largs nil) (largsr nil) | |
| 2049 (temps nil) (tempsr nil) | |
| 2050 (restarg nil) (rest-temps nil) | |
| 2051 (store-var (car (prog1 (car args) (setq args (cdr args))))) | |
| 2052 (store-temp (intern (format "--%s--temp--" store-var))) | |
| 2053 (lets1 nil) (lets2 nil) | |
| 2054 (docstr nil) (p arg1)) | |
| 2055 (if (stringp (car args)) | |
| 2056 (setq docstr (prog1 (car args) (setq args (cdr args))))) | |
| 2057 (while (and p (not (eq (car p) '&aux))) | |
| 2058 (if (eq (car p) '&rest) | |
| 2059 (setq p (cdr p) restarg (car p)) | |
| 2060 (or (memq (car p) '(&optional &key &allow-other-keys)) | |
| 2061 (setq largs (cons (if (consp (car p)) (car (car p)) (car p)) | |
| 2062 largs) | |
| 2063 temps (cons (intern (format "--%s--temp--" (car largs))) | |
| 2064 temps)))) | |
| 2065 (setq p (cdr p))) | |
| 2066 (setq largs (nreverse largs) temps (nreverse temps)) | |
| 2067 (if restarg | |
| 2068 (setq largsr (append largs (list restarg)) | |
| 2069 rest-temps (intern (format "--%s--temp--" restarg)) | |
| 2070 tempsr (append temps (list rest-temps))) | |
| 2071 (setq largsr largs tempsr temps)) | |
| 2072 (let ((p1 largs) (p2 temps)) | |
| 2073 (while p1 | |
| 2074 (setq lets1 (cons (list (car p2) | |
| 2075 (list 'gensym (format "--%s--" (car p1)))) | |
| 2076 lets1) | |
| 2077 lets2 (cons (list (car p1) (car p2)) lets2) | |
| 2078 p1 (cdr p1) p2 (cdr p2)))) | |
| 2079 (if restarg (setq lets2 (cons (list restarg rest-temps) lets2))) | |
| 2080 (append (list 'define-setf-method func arg1) | |
| 2081 (and docstr (list docstr)) | |
| 2082 (list | |
| 2083 (list 'let* | |
| 2084 (nreverse | |
| 2085 (cons (list store-temp | |
| 2086 (list 'gensym (format "--%s--" store-var))) | |
| 2087 (if restarg | |
| 2088 (append | |
| 2089 (list | |
| 2090 (list rest-temps | |
| 2091 (list 'mapcar '(quote gensym) | |
| 2092 restarg))) | |
| 2093 lets1) | |
| 2094 lets1))) | |
| 2095 (list 'list ; 'values | |
| 2096 (cons (if restarg 'list* 'list) tempsr) | |
| 2097 (cons (if restarg 'list* 'list) largsr) | |
| 2098 (list 'list store-temp) | |
| 2099 (cons 'let* | |
| 2100 (cons (nreverse | |
| 2101 (cons (list store-var store-temp) | |
| 2102 lets2)) | |
| 2103 args)) | |
| 2104 (cons (if restarg 'list* 'list) | |
| 2105 (cons (list 'quote func) tempsr))))))) | |
| 2106 (list 'defsetf func '(&rest args) '(store) | |
| 2107 (let ((call (list 'cons (list 'quote arg1) | |
| 2108 '(append args (list store))))) | |
| 2109 (if (car args) | |
| 2110 (list 'list '(quote progn) call 'store) | |
| 2111 call))))) | |
| 2112 | |
| 2113 ;;; Some standard place types from Common Lisp. | |
| 2153 | 2114 (eval-when-compile (defvar ignored-arg)) ; XEmacs: warning suppression |
| 428 | 2115 (defsetf aref aset) |
| 2116 (defsetf car setcar) | |
| 2117 (defsetf cdr setcdr) | |
| 2153 | 2118 (defsetf caar (x) (val) (list 'setcar (list 'car x) val)) |
| 2119 (defsetf cadr (x) (val) (list 'setcar (list 'cdr x) val)) | |
| 2120 (defsetf cdar (x) (val) (list 'setcdr (list 'car x) val)) | |
| 2121 (defsetf cddr (x) (val) (list 'setcdr (list 'cdr x) val)) | |
| 428 | 2122 (defsetf elt (seq n) (store) |
| 2123 (list 'if (list 'listp seq) (list 'setcar (list 'nthcdr n seq) store) | |
| 2124 (list 'aset seq n store))) | |
| 2153 | 2125 ;; XEmacs change: ignore the optional DEFAULT arguments |
| 428 | 2126 (defsetf get (x y &optional ignored-arg) (store) (list 'put x y store)) |
| 2127 (defsetf get* (x y &optional ignored-arg) (store) (list 'put x y store)) | |
| 2153 | 2128 (defsetf gethash (x h &optional ignored-arg) (store) (list 'puthash x store h)) |
| 428 | 2129 (defsetf nth (n x) (store) (list 'setcar (list 'nthcdr n x) store)) |
| 2130 (defsetf subseq (seq start &optional end) (new) | |
| 2153 | 2131 (list 'progn (list 'replace seq new :start1 start :end1 end) new)) |
| 428 | 2132 (defsetf symbol-function fset) |
| 2133 (defsetf symbol-plist setplist) | |
| 2134 (defsetf symbol-value set) | |
| 2135 | |
| 2136 ;;; Various car/cdr aliases. Note that `cadr' is handled specially. | |
| 2137 (defsetf first setcar) | |
| 2138 (defsetf second (x) (store) (list 'setcar (list 'cdr x) store)) | |
| 2139 (defsetf third (x) (store) (list 'setcar (list 'cddr x) store)) | |
| 2140 (defsetf fourth (x) (store) (list 'setcar (list 'cdddr x) store)) | |
| 2141 (defsetf fifth (x) (store) (list 'setcar (list 'nthcdr 4 x) store)) | |
| 2142 (defsetf sixth (x) (store) (list 'setcar (list 'nthcdr 5 x) store)) | |
| 2143 (defsetf seventh (x) (store) (list 'setcar (list 'nthcdr 6 x) store)) | |
| 2144 (defsetf eighth (x) (store) (list 'setcar (list 'nthcdr 7 x) store)) | |
| 2145 (defsetf ninth (x) (store) (list 'setcar (list 'nthcdr 8 x) store)) | |
| 2146 (defsetf tenth (x) (store) (list 'setcar (list 'nthcdr 9 x) store)) | |
| 2147 (defsetf rest setcdr) | |
| 2148 | |
| 2149 ;;; Some more Emacs-related place types. | |
| 2150 (defsetf buffer-file-name set-visited-file-name t) | |
| 2153 | 2151 ;; XEmacs change: we do not need to wrap this in with-current-buffer |
| 428 | 2152 (defsetf buffer-modified-p set-buffer-modified-p t) |
| 2153 (defsetf buffer-name rename-buffer t) | |
| 2154 (defsetf buffer-string () (store) | |
| 2155 (list 'progn '(erase-buffer) (list 'insert store))) | |
| 2156 (defsetf buffer-substring cl-set-buffer-substring) | |
| 2157 (defsetf current-buffer set-buffer) | |
| 2158 (defsetf current-case-table set-case-table) | |
| 2159 (defsetf current-column move-to-column t) | |
| 2160 (defsetf current-global-map use-global-map t) | |
| 2161 (defsetf current-input-mode () (store) | |
| 2162 (list 'progn (list 'apply 'set-input-mode store) store)) | |
| 2163 (defsetf current-local-map use-local-map t) | |
| 2164 (defsetf current-window-configuration set-window-configuration t) | |
| 2165 (defsetf default-file-modes set-default-file-modes t) | |
| 2166 (defsetf default-value set-default) | |
| 2167 (defsetf documentation-property put) | |
| 2153 | 2168 ;;(defsetf extent-data set-extent-data) |
| 428 | 2169 (defsetf extent-face set-extent-face) |
| 2170 (defsetf extent-priority set-extent-priority) | |
| 2153 | 2171 ;; XEmacs addition |
| 428 | 2172 (defsetf extent-property (x y &optional ignored-arg) (arg) |
| 2173 (list 'set-extent-property x y arg)) | |
| 2153 | 2174 (defsetf extent-end-position (ext) (store) |
| 2175 `(progn (set-extent-endpoints ,ext (extent-start-position ,ext) ,store) | |
| 2176 ,store)) | |
| 428 | 2177 (defsetf extent-start-position (ext) (store) |
| 2178 `(progn (set-extent-endpoints ,ext ,store (extent-end-position ,ext)) | |
| 2179 ,store)) | |
| 2180 (defsetf face-background (f &optional s) (x) (list 'set-face-background f x s)) | |
| 2181 (defsetf face-background-pixmap (f &optional s) (x) | |
| 2182 (list 'set-face-background-pixmap f x s)) | |
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2183 (defsetf face-background-placement (f &optional s) (x) |
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2184 (list 'set-face-background-placement f x s)) |
| 428 | 2185 (defsetf face-font (f &optional s) (x) (list 'set-face-font f x s)) |
| 2186 (defsetf face-foreground (f &optional s) (x) (list 'set-face-foreground f x s)) | |
| 2187 (defsetf face-underline-p (f &optional s) (x) | |
| 2188 (list 'set-face-underline-p f x s)) | |
| 2189 (defsetf file-modes set-file-modes t) | |
| 2153 | 2190 (defsetf frame-height (&optional f) (v) |
| 2191 `(progn (set-frame-height ,f ,v) ,v)) | |
| 428 | 2192 (defsetf frame-parameters modify-frame-parameters t) |
| 2193 (defsetf frame-visible-p cl-set-frame-visible-p) | |
| 2153 | 2194 (defsetf frame-width (&optional f) (v) |
| 2195 `(progn (set-frame-width ,f ,v) ,v)) | |
| 2196 ;; XEmacs change: frame-properties instead of frame-parameters | |
| 428 | 2197 (defsetf frame-properties (&optional f) (p) |
| 2198 `(progn (set-frame-properties ,f ,p) ,p)) | |
| 2199 (defsetf frame-property (f p &optional ignored-arg) (v) | |
| 2200 `(progn (set-frame-property ,f ,v) ,p)) | |
| 2153 | 2201 ;; XEmacs addition |
| 428 | 2202 (defsetf current-frame-configuration set-frame-configuration) |
| 2203 | |
| 2204 ;; XEmacs: new stuff | |
| 2205 ;; Consoles | |
| 2206 (defsetf selected-console select-console t) | |
| 2207 (defsetf selected-device select-device t) | |
| 2208 (defsetf device-baud-rate (&optional d) (v) | |
| 2209 `(set-device-baud-rate ,d ,v)) | |
| 2210 ;; This setf method is a bad idea, because set-specifier *adds* a | |
| 2211 ;; specification, rather than just setting it. The net effect is that | |
| 2212 ;; it makes specifier-instance return VAL, but other things don't work | |
| 2213 ;; as expected -- letf, to name one. | |
| 2214 ;(defsetf specifier-instance (spec &optional dom def nof) (val) | |
| 2215 ; `(set-specifier ,spec ,val ,dom)) | |
| 2216 | |
| 2217 ;; Annotations | |
| 2218 (defsetf annotation-glyph set-annotation-glyph) | |
| 2219 (defsetf annotation-down-glyph set-annotation-down-glyph) | |
| 2220 (defsetf annotation-face set-annotation-face) | |
| 2221 (defsetf annotation-layout set-annotation-layout) | |
| 2222 (defsetf annotation-data set-annotation-data) | |
| 2223 (defsetf annotation-action set-annotation-action) | |
| 2224 (defsetf annotation-menu set-annotation-menu) | |
| 2225 ;; Widget | |
| 2226 (defsetf widget-get widget-put t) | |
| 2227 (defsetf widget-value widget-value-set t) | |
| 2228 | |
| 2229 ;; Misc | |
| 2230 (defsetf recent-keys-ring-size set-recent-keys-ring-size) | |
| 2231 (defsetf symbol-value-in-buffer (s b &optional ignored-arg) (store) | |
| 2232 `(with-current-buffer ,b (set ,s ,store))) | |
| 2233 (defsetf symbol-value-in-console (s c &optional ignored-arg) (store) | |
| 2234 `(letf (((selected-console) ,c)) | |
| 2235 (set ,s ,store))) | |
| 2236 | |
| 2237 (defsetf buffer-dedicated-frame (&optional b) (v) | |
| 2238 `(set-buffer-dedicated-frame ,b ,v)) | |
| 2239 (defsetf console-type-image-conversion-list | |
| 2240 set-console-type-image-conversion-list) | |
| 2241 (defsetf default-toolbar-position set-default-toolbar-position) | |
| 2242 (defsetf device-class (&optional d) (v) | |
| 2243 `(set-device-class ,d ,v)) | |
| 2244 (defsetf extent-begin-glyph set-extent-begin-glyph) | |
| 2245 (defsetf extent-begin-glyph-layout set-extent-begin-glyph-layout) | |
| 2246 (defsetf extent-end-glyph set-extent-end-glyph) | |
| 2247 (defsetf extent-end-glyph-layout set-extent-end-glyph-layout) | |
| 2248 (defsetf extent-keymap set-extent-keymap) | |
| 2249 (defsetf extent-parent set-extent-parent) | |
| 2250 (defsetf extent-properties set-extent-properties) | |
| 2251 ;; Avoid adding various face and glyph functions. | |
| 2252 (defsetf frame-selected-window (&optional f) (v) | |
| 2253 `(set-frame-selected-window ,f ,v)) | |
| 2254 (defsetf glyph-image (glyph &optional domain) (i) | |
| 2255 (list 'set-glyph-image glyph i domain)) | |
| 2256 (defsetf itimer-function set-itimer-function) | |
| 2257 (defsetf itimer-function-arguments set-itimer-function-arguments) | |
| 2258 (defsetf itimer-is-idle set-itimer-is-idle) | |
| 2259 (defsetf itimer-recorded-run-time set-itimer-recorded-run-time) | |
| 2260 (defsetf itimer-restart set-itimer-restart) | |
| 2261 (defsetf itimer-uses-arguments set-itimer-uses-arguments) | |
| 2262 (defsetf itimer-value set-itimer-value) | |
| 2263 (defsetf keymap-parents set-keymap-parents) | |
| 2264 (defsetf marker-insertion-type set-marker-insertion-type) | |
| 2265 (defsetf mouse-pixel-position (&optional d) (v) | |
| 2266 `(progn | |
| 2267 (set-mouse-pixel-position ,d ,(car v) ,(car (cdr v)) ,(cdr (cdr v))) | |
| 2268 ,v)) | |
| 2269 (defsetf trunc-stack-length set-trunc-stack-length) | |
| 2270 (defsetf trunc-stack-stack set-trunc-stack-stack) | |
| 2271 (defsetf undoable-stack-max set-undoable-stack-max) | |
| 2272 (defsetf weak-list-list set-weak-list-list) | |
| 2153 | 2273 ;; End of new XEmacs stuff |
| 428 | 2274 |
| 2275 (defsetf getenv setenv t) | |
| 2276 (defsetf get-register set-register) | |
| 2277 (defsetf global-key-binding global-set-key) | |
| 2278 (defsetf keymap-parent set-keymap-parent) | |
| 2153 | 2279 ;; XEmacs addition: more keymap-related setf forms |
| 428 | 2280 (defsetf keymap-name set-keymap-name) |
| 2281 (defsetf keymap-prompt set-keymap-prompt) | |
| 2282 (defsetf keymap-default-binding set-keymap-default-binding) | |
| 2283 (defsetf local-key-binding local-set-key) | |
| 2284 (defsetf mark set-mark t) | |
| 2285 (defsetf mark-marker set-mark t) | |
| 2286 (defsetf marker-position set-marker t) | |
| 2287 (defsetf match-data store-match-data t) | |
| 2288 (defsetf mouse-position (scr) (store) | |
| 2289 (list 'set-mouse-position scr (list 'car store) (list 'cadr store) | |
| 2290 (list 'cddr store))) | |
| 2291 (defsetf overlay-get overlay-put) | |
| 2292 (defsetf overlay-start (ov) (store) | |
| 2293 (list 'progn (list 'move-overlay ov store (list 'overlay-end ov)) store)) | |
| 2294 (defsetf overlay-end (ov) (store) | |
| 2295 (list 'progn (list 'move-overlay ov (list 'overlay-start ov) store) store)) | |
| 2296 (defsetf point goto-char) | |
| 2297 (defsetf point-marker goto-char t) | |
| 2298 (defsetf point-max () (store) | |
| 2299 (list 'progn (list 'narrow-to-region '(point-min) store) store)) | |
| 2300 (defsetf point-min () (store) | |
| 2301 (list 'progn (list 'narrow-to-region store '(point-max)) store)) | |
| 2302 (defsetf process-buffer set-process-buffer) | |
| 2303 (defsetf process-filter set-process-filter) | |
| 2304 (defsetf process-sentinel set-process-sentinel) | |
| 2153 | 2305 ;;(defsetf process-get process-put) |
| 428 | 2306 (defsetf read-mouse-position (scr) (store) |
| 2307 (list 'set-mouse-position scr (list 'car store) (list 'cdr store))) | |
| 2153 | 2308 ;;(defsetf screen-height set-screen-height t) |
| 2309 ;;(defsetf screen-width set-screen-width t) | |
| 428 | 2310 (defsetf selected-window select-window) |
| 2153 | 2311 ;;(defsetf selected-screen select-screen) |
| 428 | 2312 (defsetf selected-frame select-frame) |
| 2313 (defsetf standard-case-table set-standard-case-table) | |
| 2314 (defsetf syntax-table set-syntax-table) | |
| 2315 (defsetf visited-file-modtime set-visited-file-modtime t) | |
| 2316 (defsetf window-buffer set-window-buffer t) | |
| 2317 (defsetf window-display-table set-window-display-table t) | |
| 2318 (defsetf window-dedicated-p set-window-dedicated-p t) | |
| 2319 (defsetf window-height (&optional window) (store) | |
| 2320 `(progn (enlarge-window (- ,store (window-height)) nil ,window) ,store)) | |
| 2321 (defsetf window-hscroll set-window-hscroll) | |
| 2322 (defsetf window-point set-window-point) | |
| 2323 (defsetf window-start set-window-start) | |
| 2324 (defsetf window-width (&optional window) (store) | |
| 2325 `(progn (enlarge-window (- ,store (window-width)) t ,window) ,store)) | |
| 2326 (defsetf x-get-cutbuffer x-store-cutbuffer t) | |
| 2327 (defsetf x-get-cut-buffer x-store-cut-buffer t) ; groan. | |
| 2328 (defsetf x-get-secondary-selection x-own-secondary-selection t) | |
| 2329 (defsetf x-get-selection x-own-selection t) | |
| 442 | 2330 (defsetf get-selection own-selection t) |
| 428 | 2331 |
| 2332 ;;; More complex setf-methods. | |
| 2333 ;;; These should take &environment arguments, but since full arglists aren't | |
| 2334 ;;; available while compiling cl-macs, we fake it by referring to the global | |
| 2335 ;;; variable cl-macro-environment directly. | |
| 2336 | |
| 2337 (define-setf-method apply (func arg1 &rest rest) | |
| 2338 (or (and (memq (car-safe func) '(quote function function*)) | |
| 2339 (symbolp (car-safe (cdr-safe func)))) | |
| 2340 (error "First arg to apply in setf is not (function SYM): %s" func)) | |
| 2341 (let* ((form (cons (nth 1 func) (cons arg1 rest))) | |
| 2342 (method (get-setf-method form cl-macro-environment))) | |
| 2343 (list (car method) (nth 1 method) (nth 2 method) | |
| 2344 (cl-setf-make-apply (nth 3 method) (cadr func) (car method)) | |
| 2345 (cl-setf-make-apply (nth 4 method) (cadr func) (car method))))) | |
| 2346 | |
| 2347 (defun cl-setf-make-apply (form func temps) | |
| 2348 (if (eq (car form) 'progn) | |
| 2349 (list* 'progn (cl-setf-make-apply (cadr form) func temps) (cddr form)) | |
| 2350 (or (equal (last form) (last temps)) | |
| 2351 (error "%s is not suitable for use with setf-of-apply" func)) | |
| 2352 (list* 'apply (list 'quote (car form)) (cdr form)))) | |
| 2353 | |
| 2354 (define-setf-method nthcdr (n place) | |
| 2355 (let ((method (get-setf-method place cl-macro-environment)) | |
| 2356 (n-temp (gensym "--nthcdr-n--")) | |
| 2357 (store-temp (gensym "--nthcdr-store--"))) | |
| 2358 (list (cons n-temp (car method)) | |
| 2359 (cons n (nth 1 method)) | |
| 2360 (list store-temp) | |
| 2361 (list 'let (list (list (car (nth 2 method)) | |
| 2362 (list 'cl-set-nthcdr n-temp (nth 4 method) | |
| 2363 store-temp))) | |
| 2364 (nth 3 method) store-temp) | |
| 2365 (list 'nthcdr n-temp (nth 4 method))))) | |
| 2366 | |
| 2367 (define-setf-method getf (place tag &optional def) | |
| 2368 (let ((method (get-setf-method place cl-macro-environment)) | |
| 2369 (tag-temp (gensym "--getf-tag--")) | |
| 2370 (def-temp (gensym "--getf-def--")) | |
| 2371 (store-temp (gensym "--getf-store--"))) | |
| 2372 (list (append (car method) (list tag-temp def-temp)) | |
| 2373 (append (nth 1 method) (list tag def)) | |
| 2374 (list store-temp) | |
| 2375 (list 'let (list (list (car (nth 2 method)) | |
|
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|
2376 (list 'plist-put (nth 4 method) |
| 428 | 2377 tag-temp store-temp))) |
| 2378 (nth 3 method) store-temp) | |
| 2379 (list 'getf (nth 4 method) tag-temp def-temp)))) | |
| 2380 | |
| 2381 (define-setf-method substring (place from &optional to) | |
| 2382 (let ((method (get-setf-method place cl-macro-environment)) | |
| 2383 (from-temp (gensym "--substring-from--")) | |
| 2384 (to-temp (gensym "--substring-to--")) | |
| 2385 (store-temp (gensym "--substring-store--"))) | |
| 2386 (list (append (car method) (list from-temp to-temp)) | |
| 2387 (append (nth 1 method) (list from to)) | |
| 2388 (list store-temp) | |
| 2389 (list 'let (list (list (car (nth 2 method)) | |
| 2390 (list 'cl-set-substring (nth 4 method) | |
| 2391 from-temp to-temp store-temp))) | |
| 2392 (nth 3 method) store-temp) | |
| 2393 (list 'substring (nth 4 method) from-temp to-temp)))) | |
| 2394 | |
| 2153 | 2395 ;; XEmacs addition |
| 428 | 2396 (define-setf-method values (&rest args) |
| 2397 (let ((methods (mapcar #'(lambda (x) | |
| 2398 (get-setf-method x cl-macro-environment)) | |
| 2399 args)) | |
| 2400 (store-temp (gensym "--values-store--"))) | |
| 2401 (list (apply 'append (mapcar 'first methods)) | |
| 2402 (apply 'append (mapcar 'second methods)) | |
|
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|
2403 `((,store-temp |
|
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|
2404 (multiple-value-list-internal 0 ,(if args (length args) 1)))) |
|
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|
2405 (cons 'values |
| 428 | 2406 (mapcar #'(lambda (m) |
| 2407 (cl-setf-do-store (cons (car (third m)) (fourth m)) | |
| 2408 (list 'pop store-temp))) | |
| 2409 methods)) | |
| 2410 (cons 'list (mapcar 'fifth methods))))) | |
| 2411 | |
| 2412 ;;; Getting and optimizing setf-methods. | |
| 2413 ;;;###autoload | |
| 2414 (defun get-setf-method (place &optional env) | |
| 2415 "Return a list of five values describing the setf-method for PLACE. | |
| 2416 PLACE may be any Lisp form which can appear as the PLACE argument to | |
| 2417 a macro like `setf' or `incf'." | |
| 2418 (if (symbolp place) | |
| 2419 (let ((temp (gensym "--setf--"))) | |
| 2420 (list nil nil (list temp) (list 'setq place temp) place)) | |
| 2421 (or (and (symbolp (car place)) | |
| 2422 (let* ((func (car place)) | |
| 2423 (name (symbol-name func)) | |
| 2424 (method (get func 'setf-method)) | |
| 2425 (case-fold-search nil)) | |
| 2426 (or (and method | |
| 2427 (let ((cl-macro-environment env)) | |
| 2428 (setq method (apply method (cdr place)))) | |
| 2429 (if (and (consp method) (= (length method) 5)) | |
| 2430 method | |
| 2431 (error "Setf-method for %s returns malformed method" | |
| 2432 func))) | |
| 2433 (and (save-match-data | |
| 2434 (string-match "\\`c[ad][ad][ad]?[ad]?r\\'" name)) | |
| 2435 (get-setf-method (compiler-macroexpand place))) | |
| 2436 (and (eq func 'edebug-after) | |
| 2437 (get-setf-method (nth (1- (length place)) place) | |
| 2438 env))))) | |
| 2439 (if (eq place (setq place (macroexpand place env))) | |
| 2440 (if (and (symbolp (car place)) (fboundp (car place)) | |
| 2441 (symbolp (symbol-function (car place)))) | |
| 2442 (get-setf-method (cons (symbol-function (car place)) | |
| 2443 (cdr place)) env) | |
| 2444 (error "No setf-method known for %s" (car place))) | |
| 2445 (get-setf-method place env))))) | |
| 2446 | |
| 2447 (defun cl-setf-do-modify (place opt-expr) | |
| 2448 (let* ((method (get-setf-method place cl-macro-environment)) | |
| 2449 (temps (car method)) (values (nth 1 method)) | |
| 2450 (lets nil) (subs nil) | |
| 2451 (optimize (and (not (eq opt-expr 'no-opt)) | |
| 2452 (or (and (not (eq opt-expr 'unsafe)) | |
| 2453 (cl-safe-expr-p opt-expr)) | |
| 2454 (cl-setf-simple-store-p (car (nth 2 method)) | |
| 2455 (nth 3 method))))) | |
| 2456 (simple (and optimize (consp place) (cl-simple-exprs-p (cdr place))))) | |
| 2457 (while values | |
| 2458 (if (or simple (cl-const-expr-p (car values))) | |
| 2153 | 2459 (push (cons (pop temps) (pop values)) subs) |
| 2460 (push (list (pop temps) (pop values)) lets))) | |
| 428 | 2461 (list (nreverse lets) |
| 2462 (cons (car (nth 2 method)) (sublis subs (nth 3 method))) | |
| 2463 (sublis subs (nth 4 method))))) | |
| 2464 | |
| 2465 (defun cl-setf-do-store (spec val) | |
| 2466 (let ((sym (car spec)) | |
| 2467 (form (cdr spec))) | |
|
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|
2468 (if (consp sym) |
|
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|
2469 ;; XEmacs change, only used for implementing #'values at the moment. |
|
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|
2470 (let* ((orig (copy-list sym)) |
|
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|
2471 (intermediate (last orig)) |
|
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|
2472 (circular-limit 32)) |
|
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|
2473 (while (consp (car intermediate)) |
|
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|
2474 (when (zerop circular-limit) |
|
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|
2475 (error 'circular-list "Form seems to contain loops")) |
|
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|
2476 (setq intermediate (last (car intermediate)) |
|
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|
2477 circular-limit (1- circular-limit))) |
|
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|
2478 (setcdr intermediate (list val)) |
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|
2479 `(let (,orig) |
|
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|
2480 ,form)) |
|
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|
2481 (if (or (cl-const-expr-p val) |
|
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|
2482 (and (cl-simple-expr-p val) |
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|
2483 (eq (cl-expr-contains form sym) 1)) |
|
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|
2484 (cl-setf-simple-store-p sym form)) |
|
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2485 (subst val sym form) |
|
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|
2486 (list 'let (list (list sym val)) form))))) |
| 428 | 2487 |
| 2488 (defun cl-setf-simple-store-p (sym form) | |
| 2489 (and (consp form) (eq (cl-expr-contains form sym) 1) | |
| 2490 (eq (nth (1- (length form)) form) sym) | |
| 2491 (symbolp (car form)) (fboundp (car form)) | |
| 2492 (not (eq (car-safe (symbol-function (car form))) 'macro)))) | |
| 2493 | |
| 2494 ;;; The standard modify macros. | |
| 2495 ;;;###autoload | |
| 2496 (defmacro setf (&rest args) | |
| 2497 "(setf PLACE VAL PLACE VAL ...): set each PLACE to the value of its VAL. | |
| 2498 This is a generalized version of `setq'; the PLACEs may be symbolic | |
| 2499 references such as (car x) or (aref x i), as well as plain symbols. | |
| 2500 For example, (setf (cadar x) y) is equivalent to (setcar (cdar x) y). | |
| 2501 The return value is the last VAL in the list." | |
| 2502 (if (cdr (cdr args)) | |
| 2503 (let ((sets nil)) | |
| 2153 | 2504 (while args (push (list 'setf (pop args) (pop args)) sets)) |
| 428 | 2505 (cons 'progn (nreverse sets))) |
| 2506 (if (symbolp (car args)) | |
| 2507 (and args (cons 'setq args)) | |
| 2508 (let* ((method (cl-setf-do-modify (car args) (nth 1 args))) | |
| 2509 (store (cl-setf-do-store (nth 1 method) (nth 1 args)))) | |
| 2510 (if (car method) (list 'let* (car method) store) store))))) | |
| 2511 | |
| 2512 ;;;###autoload | |
| 2513 (defmacro psetf (&rest args) | |
| 2514 "(psetf PLACE VAL PLACE VAL ...): set PLACEs to the values VALs in parallel. | |
| 2515 This is like `setf', except that all VAL forms are evaluated (in order) | |
| 2516 before assigning any PLACEs to the corresponding values." | |
| 2517 (let ((p args) (simple t) (vars nil)) | |
| 2518 (while p | |
| 2519 (if (or (not (symbolp (car p))) (cl-expr-depends-p (nth 1 p) vars)) | |
| 2520 (setq simple nil)) | |
| 2521 (if (memq (car p) vars) | |
| 2522 (error "Destination duplicated in psetf: %s" (car p))) | |
| 2153 | 2523 (push (pop p) vars) |
| 428 | 2524 (or p (error "Odd number of arguments to psetf")) |
| 2153 | 2525 (pop p)) |
| 428 | 2526 (if simple |
| 2527 (list 'progn (cons 'setf args) nil) | |
| 2528 (setq args (reverse args)) | |
| 2529 (let ((expr (list 'setf (cadr args) (car args)))) | |
| 2530 (while (setq args (cddr args)) | |
| 2531 (setq expr (list 'setf (cadr args) (list 'prog1 (car args) expr)))) | |
| 2532 (list 'progn expr nil))))) | |
| 2533 | |
| 2534 ;;;###autoload | |
| 2535 (defun cl-do-pop (place) | |
| 2536 (if (cl-simple-expr-p place) | |
| 2537 (list 'prog1 (list 'car place) (list 'setf place (list 'cdr place))) | |
| 2538 (let* ((method (cl-setf-do-modify place t)) | |
| 2539 (temp (gensym "--pop--"))) | |
| 2540 (list 'let* | |
| 2541 (append (car method) | |
| 2542 (list (list temp (nth 2 method)))) | |
| 2543 (list 'prog1 | |
| 2544 (list 'car temp) | |
| 2545 (cl-setf-do-store (nth 1 method) (list 'cdr temp))))))) | |
| 2546 | |
| 2547 ;;;###autoload | |
| 2548 (defmacro remf (place tag) | |
|
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|
2549 "Remove TAG from property list PLACE. |
| 428 | 2550 PLACE may be a symbol, or any generalized variable allowed by `setf'. |
| 2551 The form returns true if TAG was found and removed, nil otherwise." | |
| 2552 (let* ((method (cl-setf-do-modify place t)) | |
| 2553 (tag-temp (and (not (cl-const-expr-p tag)) (gensym "--remf-tag--"))) | |
| 2554 (val-temp (and (not (cl-simple-expr-p place)) | |
| 2555 (gensym "--remf-place--"))) | |
| 2556 (ttag (or tag-temp tag)) | |
| 2557 (tval (or val-temp (nth 2 method)))) | |
| 2558 (list 'let* | |
| 2559 (append (car method) | |
| 2560 (and val-temp (list (list val-temp (nth 2 method)))) | |
| 2561 (and tag-temp (list (list tag-temp tag)))) | |
| 2562 (list 'if (list 'eq ttag (list 'car tval)) | |
| 2563 (list 'progn | |
| 2564 (cl-setf-do-store (nth 1 method) (list 'cddr tval)) | |
| 2565 t) | |
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2566 (list 'plist-remprop tval ttag))))) |
| 428 | 2567 |
| 2568 ;;;###autoload | |
| 2569 (defmacro shiftf (place &rest args) | |
| 2570 "(shiftf PLACE PLACE... VAL): shift left among PLACEs. | |
| 2571 Example: (shiftf A B C) sets A to B, B to C, and returns the old A. | |
| 2572 Each PLACE may be a symbol, or any generalized variable allowed by `setf'." | |
| 2153 | 2573 ;; XEmacs change: use iteration instead of recursion |
| 428 | 2574 (if (not (memq nil (mapcar 'symbolp (butlast (cons place args))))) |
| 2575 (list* 'prog1 place | |
| 2576 (let ((sets nil)) | |
| 2577 (while args | |
| 2153 | 2578 (push (list 'setq place (car args)) sets) |
| 2579 (setq place (pop args))) | |
| 428 | 2580 (nreverse sets))) |
| 2581 (let* ((places (reverse (cons place args))) | |
| 2153 | 2582 (form (pop places))) |
| 428 | 2583 (while places |
| 2153 | 2584 (let ((method (cl-setf-do-modify (pop places) 'unsafe))) |
| 428 | 2585 (setq form (list 'let* (car method) |
| 2586 (list 'prog1 (nth 2 method) | |
| 2587 (cl-setf-do-store (nth 1 method) form)))))) | |
| 2588 form))) | |
| 2589 | |
| 2590 ;;;###autoload | |
|
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2591 (defmacro rotatef (&rest places) |
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2592 "Rotate left among PLACES. |
| 428 | 2593 Example: (rotatef A B C) sets A to B, B to C, and C to A. It returns nil. |
| 2594 Each PLACE may be a symbol, or any generalized variable allowed by `setf'." | |
|
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2595 (if (not (memq nil (mapcar 'symbolp places))) |
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2596 (and (cdr places) |
| 428 | 2597 (let ((sets nil) |
|
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2598 (first (car places))) |
|
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|
2599 (while (cdr places) |
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2600 (setq sets (nconc sets (list (pop places) (car places))))) |
|
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|
2601 (nconc (list 'psetf) sets (list (car places) first)))) |
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2602 (let* ((places (reverse places)) |
| 428 | 2603 (temp (gensym "--rotatef--")) |
| 2604 (form temp)) | |
| 2605 (while (cdr places) | |
| 2153 | 2606 (let ((method (cl-setf-do-modify (pop places) 'unsafe))) |
| 428 | 2607 (setq form (list 'let* (car method) |
| 2608 (list 'prog1 (nth 2 method) | |
| 2609 (cl-setf-do-store (nth 1 method) form)))))) | |
| 2610 (let ((method (cl-setf-do-modify (car places) 'unsafe))) | |
| 2611 (list 'let* (append (car method) (list (list temp (nth 2 method)))) | |
| 2612 (cl-setf-do-store (nth 1 method) form) nil))))) | |
| 2613 | |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2614 ;; This function is not in Common Lisp, and there are gaps in its structure and |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2615 ;; implementation that reflect that it was never well-specified. E.g. with |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2616 ;; setf, the question of whether a PLACE is bound or not and how to make it |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2617 ;; unbound doesn't arise, but we need some way of specifying that for letf to |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2618 ;; be sensible for gethash, symbol-value and so on; currently we just hard-code |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2619 ;; symbol-value, symbol-function and values (the latter is XEmacs work that |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2620 ;; I've just done) in the body of this function, and the following gives the |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2621 ;; wrong behaviour for gethash: |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2622 ;; |
|
4820
e6dec75ded0e
Use keywords, not ordinary symbols, in the structure syntax for hash tables.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4810
diff
changeset
|
2623 ;; (setq my-hash-table #s(hash-table :test equal :data ()) |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2624 ;; print-gensym t) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2625 ;; => t |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2626 ;; (gethash "my-key" my-hash-table (gensym)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2627 ;; => #:G68010 |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2628 ;; (letf (((gethash "my-key" my-hash-table) 4000)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2629 ;; (message "key value is %S" (gethash "my-key" my-hash-table))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2630 ;; => "key value is 4000" |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2631 ;; (gethash "my-key" my-hash-table (gensym)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2632 ;; => nil ;; should be an uninterned symbol. |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2633 ;; |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2634 ;; Aidan Kehoe, Fr Nov 13 16:12:21 GMT 2009 |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2635 |
| 428 | 2636 ;;;###autoload |
| 2637 (defmacro letf (bindings &rest body) | |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2638 "Temporarily bind to PLACEs. |
| 428 | 2639 This is the analogue of `let', but with generalized variables (in the |
| 2640 sense of `setf') for the PLACEs. Each PLACE is set to the corresponding | |
| 2641 VALUE, then the BODY forms are executed. On exit, either normally or | |
| 2642 because of a `throw' or error, the PLACEs are set back to their original | |
| 2643 values. Note that this macro is *not* available in Common Lisp. | |
| 2644 As a special case, if `(PLACE)' is used instead of `(PLACE VALUE)', | |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2645 the PLACE is not modified before executing BODY. |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2646 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2647 arguments: (((PLACE VALUE) &rest BINDINGS) &body BODY)" |
| 428 | 2648 (if (and (not (cdr bindings)) (cdar bindings) (symbolp (caar bindings))) |
| 2649 (list* 'let bindings body) | |
| 2650 (let ((lets nil) | |
| 2651 (rev (reverse bindings))) | |
| 2652 (while rev | |
| 2653 (let* ((place (if (symbolp (caar rev)) | |
| 2654 (list 'symbol-value (list 'quote (caar rev))) | |
| 2655 (caar rev))) | |
| 2656 (value (cadar rev)) | |
| 2657 (method (cl-setf-do-modify place 'no-opt)) | |
| 2658 (save (gensym "--letf-save--")) | |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2659 (bound (and (memq (car place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2660 '(symbol-value symbol-function values)) |
| 428 | 2661 (gensym "--letf-bound--"))) |
| 2662 (temp (and (not (cl-const-expr-p value)) (cdr bindings) | |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2663 (gensym "--letf-val--"))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2664 (syms (and (eq 'values (car place)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2665 (gensym "--letf-syms--"))) |
|
4783
e29fcfd8df5f
Eliminate most core code byte-compile warnings.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4742
diff
changeset
|
2666 (cursor (and syms (gensym "--letf-cursor--")))) |
| 428 | 2667 (setq lets (nconc (car method) |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2668 (cond |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2669 (syms |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2670 `((,syms ',(loop |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2671 for sym in (cdr place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2672 nconc (if (symbolp sym) (list sym)))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2673 (,cursor ,syms) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2674 (,bound nil) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2675 (,save |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2676 (prog2 |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2677 (while (consp ,cursor) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2678 (setq ,bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2679 (cons (and (boundp (car ,cursor)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2680 (symbol-value |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2681 (car ,cursor))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2682 ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2683 ,cursor (cdr ,cursor))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2684 ;; Just using ,bound as a temporary |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2685 ;; variable here, to initialise ,save: |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2686 (nreverse ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2687 ;; Now, really initialise ,bound: |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2688 (setq ,cursor ,syms |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2689 ,bound nil |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2690 ,bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2691 (progn (while (consp ,cursor) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2692 (setq ,bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2693 (cons |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2694 (boundp (car ,cursor)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2695 ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2696 ,cursor (cdr ,cursor))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2697 (nreverse ,bound))))))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2698 (bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2699 (list (list bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2700 (list (if (eq (car place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2701 'symbol-value) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2702 'boundp 'fboundp) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2703 (nth 1 (nth 2 method)))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2704 (list save (list 'and bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2705 (nth 2 method))))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2706 (t |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2707 (list (list save (nth 2 method))))) |
| 428 | 2708 (and temp (list (list temp value))) |
| 2709 lets) | |
| 2710 body (list | |
| 2711 (list 'unwind-protect | |
| 2712 (cons 'progn | |
| 2713 (if (cdr (car rev)) | |
| 2714 (cons (cl-setf-do-store (nth 1 method) | |
| 2715 (or temp value)) | |
| 2716 body) | |
| 2717 body)) | |
|
4742
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2718 (cond |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2719 (syms |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2720 `(while (consp ,syms) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2721 (if (car ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2722 (set (car ,syms) (car ,save)) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2723 (makunbound (car ,syms))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2724 (setq ,syms (cdr ,syms) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2725 ,bound (cdr ,bound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2726 ,save (cdr ,save)))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2727 (bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2728 (list 'if bound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2729 (cl-setf-do-store (nth 1 method) save) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2730 (list (if (eq (car place) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2731 'symbol-function) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2732 'fmakunbound |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2733 'makunbound) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
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changeset
|
2734 (nth 1 (nth 2 method))))) |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
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changeset
|
2735 (t |
|
4cf435fcebbc
Make #'letf not error if handed a #'values form.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4723
diff
changeset
|
2736 (cl-setf-do-store (nth 1 method) save))))) |
| 428 | 2737 rev (cdr rev)))) |
| 2738 (list* 'let* lets body)))) | |
| 2739 | |
| 2740 ;;;###autoload | |
| 2741 (defmacro letf* (bindings &rest body) | |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
2742 "Temporarily bind to PLACES. |
| 428 | 2743 This is the analogue of `let*', but with generalized variables (in the |
| 2744 sense of `setf') for the PLACEs. Each PLACE is set to the corresponding | |
| 2745 VALUE, then the BODY forms are executed. On exit, either normally or | |
| 2746 because of a `throw' or error, the PLACEs are set back to their original | |
| 2747 values. Note that this macro is *not* available in Common Lisp. | |
| 2748 As a special case, if `(PLACE)' is used instead of `(PLACE VALUE)', | |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
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changeset
|
2749 the PLACE is not modified before executing BODY. |
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2750 |
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2751 arguments: (((PLACE VALUE) &rest BINDINGS) &body BODY)" |
| 428 | 2752 (if (null bindings) |
| 2753 (cons 'progn body) | |
| 2754 (setq bindings (reverse bindings)) | |
| 2755 (while bindings | |
| 2153 | 2756 (setq body (list (list* 'letf (list (pop bindings)) body)))) |
| 428 | 2757 (car body))) |
| 2758 | |
| 2759 ;;;###autoload | |
| 2760 (defmacro callf (func place &rest args) | |
|
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2761 "Set PLACE to (FUNC PLACE ARGS...). |
| 428 | 2762 FUNC should be an unquoted function name. PLACE may be a symbol, |
| 2763 or any generalized variable allowed by `setf'." | |
| 2764 (let* ((method (cl-setf-do-modify place (cons 'list args))) | |
| 2765 (rargs (cons (nth 2 method) args))) | |
| 2766 (list 'let* (car method) | |
| 2767 (cl-setf-do-store (nth 1 method) | |
| 2768 (if (symbolp func) (cons func rargs) | |
| 2769 (list* 'funcall (list 'function func) | |
| 2770 rargs)))))) | |
| 2771 | |
| 2772 ;;;###autoload | |
| 2773 (defmacro callf2 (func arg1 place &rest args) | |
|
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diff
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|
2774 "Set PLACE to (FUNC ARG1 PLACE ARGS...). |
| 428 | 2775 Like `callf', but PLACE is the second argument of FUNC, not the first." |
| 2776 (if (and (cl-safe-expr-p arg1) (cl-simple-expr-p place) (symbolp func)) | |
| 2777 (list 'setf place (list* func arg1 place args)) | |
| 2778 (let* ((method (cl-setf-do-modify place (cons 'list args))) | |
| 2779 (temp (and (not (cl-const-expr-p arg1)) (gensym "--arg1--"))) | |
| 2780 (rargs (list* (or temp arg1) (nth 2 method) args))) | |
| 2781 (list 'let* (append (and temp (list (list temp arg1))) (car method)) | |
| 2782 (cl-setf-do-store (nth 1 method) | |
| 2783 (if (symbolp func) (cons func rargs) | |
| 2784 (list* 'funcall (list 'function func) | |
| 2785 rargs))))))) | |
| 2786 | |
| 2787 ;;;###autoload | |
| 2788 (defmacro define-modify-macro (name arglist func &optional doc) | |
|
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|
2789 "Define a `setf'-like modify macro. |
| 428 | 2790 If NAME is called, it combines its PLACE argument with the other arguments |
| 2791 from ARGLIST using FUNC: (define-modify-macro incf (&optional (n 1)) +)" | |
| 2792 (if (memq '&key arglist) (error "&key not allowed in define-modify-macro")) | |
| 2793 (let ((place (gensym "--place--"))) | |
| 2794 (list 'defmacro* name (cons place arglist) doc | |
| 2795 (list* (if (memq '&rest arglist) 'list* 'list) | |
| 2796 '(quote callf) (list 'quote func) place | |
| 2797 (cl-arglist-args arglist))))) | |
| 2798 | |
| 2799 | |
| 2800 ;;; Structures. | |
| 2801 | |
| 2802 ;;;###autoload | |
| 2803 (defmacro defstruct (struct &rest descs) | |
| 2804 "(defstruct (NAME OPTIONS...) (SLOT SLOT-OPTS...)...): define a struct type. | |
| 2805 This macro defines a new Lisp data type called NAME, which contains data | |
| 2806 stored in SLOTs. This defines a `make-NAME' constructor, a `copy-NAME' | |
| 2807 copier, a `NAME-p' predicate, and setf-able `NAME-SLOT' accessors." | |
| 2808 (let* ((name (if (consp struct) (car struct) struct)) | |
| 2809 (opts (cdr-safe struct)) | |
| 2810 (slots nil) | |
| 2811 (defaults nil) | |
| 2812 (conc-name (concat (symbol-name name) "-")) | |
| 2813 (constructor (intern (format "make-%s" name))) | |
| 2814 (constrs nil) | |
| 2815 (copier (intern (format "copy-%s" name))) | |
| 2816 (predicate (intern (format "%s-p" name))) | |
| 2817 (print-func nil) (print-auto nil) | |
| 2818 (safety (if (cl-compiling-file) cl-optimize-safety 3)) | |
| 2819 (include nil) | |
| 2820 (tag (intern (format "cl-struct-%s" name))) | |
| 2821 (tag-symbol (intern (format "cl-struct-%s-tags" name))) | |
| 2822 (include-descs nil) | |
| 2823 (side-eff nil) | |
| 2824 (type nil) | |
| 2825 (named nil) | |
| 2826 (forms nil) | |
| 2827 pred-form pred-check) | |
| 2828 (if (stringp (car descs)) | |
| 2153 | 2829 (push (list 'put (list 'quote name) '(quote structure-documentation) |
| 2830 (pop descs)) forms)) | |
| 428 | 2831 (setq descs (cons '(cl-tag-slot) |
| 2832 (mapcar #'(lambda (x) (if (consp x) x (list x))) | |
| 2833 descs))) | |
| 2834 (while opts | |
| 2835 (let ((opt (if (consp (car opts)) (caar opts) (car opts))) | |
| 2153 | 2836 (args (cdr-safe (pop opts)))) |
| 2837 (cond ((eq opt :conc-name) | |
| 428 | 2838 (if args |
| 2839 (setq conc-name (if (car args) | |
| 2840 (symbol-name (car args)) "")))) | |
| 2153 | 2841 ((eq opt :constructor) |
| 428 | 2842 (if (cdr args) |
| 2153 | 2843 (push args constrs) |
| 428 | 2844 (if args (setq constructor (car args))))) |
| 2153 | 2845 ((eq opt :copier) |
| 428 | 2846 (if args (setq copier (car args)))) |
| 2153 | 2847 ((eq opt :predicate) |
| 428 | 2848 (if args (setq predicate (car args)))) |
| 2153 | 2849 ((eq opt :include) |
| 428 | 2850 (setq include (car args) |
| 2851 include-descs (mapcar #'(lambda (x) | |
| 2852 (if (consp x) x (list x))) | |
| 2853 (cdr args)))) | |
| 2153 | 2854 ((eq opt :print-function) |
| 428 | 2855 (setq print-func (car args))) |
| 2153 | 2856 ((eq opt :type) |
| 428 | 2857 (setq type (car args))) |
| 2153 | 2858 ((eq opt :named) |
| 428 | 2859 (setq named t)) |
| 2153 | 2860 ((eq opt :initial-offset) |
| 428 | 2861 (setq descs (nconc (make-list (car args) '(cl-skip-slot)) |
| 2862 descs))) | |
| 2863 (t | |
| 2864 (error "Slot option %s unrecognized" opt))))) | |
| 2865 (if print-func | |
| 2866 (setq print-func (list 'progn | |
| 2867 (list 'funcall (list 'function print-func) | |
| 2868 'cl-x 'cl-s 'cl-n) t)) | |
| 2869 (or type (and include (not (get include 'cl-struct-print))) | |
| 2870 (setq print-auto t | |
| 2871 print-func (and (or (not (or include type)) (null print-func)) | |
| 2872 (list 'progn | |
| 2873 (list 'princ (format "#S(%s" name) | |
| 2874 'cl-s)))))) | |
| 2875 (if include | |
| 2876 (let ((inc-type (get include 'cl-struct-type)) | |
| 2877 (old-descs (get include 'cl-struct-slots))) | |
| 2878 (or inc-type (error "%s is not a struct name" include)) | |
| 2879 (and type (not (eq (car inc-type) type)) | |
| 2880 (error ":type disagrees with :include for %s" name)) | |
| 2881 (while include-descs | |
| 2882 (setcar (memq (or (assq (caar include-descs) old-descs) | |
| 2883 (error "No slot %s in included struct %s" | |
| 2884 (caar include-descs) include)) | |
| 2885 old-descs) | |
| 2153 | 2886 (pop include-descs))) |
| 428 | 2887 (setq descs (append old-descs (delq (assq 'cl-tag-slot descs) descs)) |
| 2888 type (car inc-type) | |
| 2889 named (assq 'cl-tag-slot descs)) | |
| 2890 (if (cadr inc-type) (setq tag name named t)) | |
| 2891 (let ((incl include)) | |
| 2892 (while incl | |
| 2153 | 2893 (push (list 'pushnew (list 'quote tag) |
| 428 | 2894 (intern (format "cl-struct-%s-tags" incl))) |
| 2895 forms) | |
| 2896 (setq incl (get incl 'cl-struct-include))))) | |
| 2897 (if type | |
| 2898 (progn | |
| 2899 (or (memq type '(vector list)) | |
| 2900 (error "Illegal :type specifier: %s" type)) | |
| 2901 (if named (setq tag name))) | |
| 2902 (setq type 'vector named 'true))) | |
| 2903 (or named (setq descs (delq (assq 'cl-tag-slot descs) descs))) | |
| 2153 | 2904 (push (list 'defvar tag-symbol) forms) |
| 428 | 2905 (setq pred-form (and named |
| 2906 (let ((pos (- (length descs) | |
| 2907 (length (memq (assq 'cl-tag-slot descs) | |
| 2908 descs))))) | |
| 2909 (if (eq type 'vector) | |
| 2910 (list 'and '(vectorp cl-x) | |
| 2911 (list '>= '(length cl-x) (length descs)) | |
| 2912 (list 'memq (list 'aref 'cl-x pos) | |
| 2913 tag-symbol)) | |
| 2914 (if (= pos 0) | |
| 2915 (list 'memq '(car-safe cl-x) tag-symbol) | |
| 2916 (list 'and '(consp cl-x) | |
| 2917 (list 'memq (list 'nth pos 'cl-x) | |
| 2918 tag-symbol)))))) | |
| 2919 pred-check (and pred-form (> safety 0) | |
| 2920 (if (and (eq (caadr pred-form) 'vectorp) | |
| 2921 (= safety 1)) | |
| 2922 (cons 'and (cdddr pred-form)) pred-form))) | |
| 2923 (let ((pos 0) (descp descs)) | |
| 2924 (while descp | |
| 2153 | 2925 (let* ((desc (pop descp)) |
| 428 | 2926 (slot (car desc))) |
| 2927 (if (memq slot '(cl-tag-slot cl-skip-slot)) | |
| 2928 (progn | |
| 2153 | 2929 (push nil slots) |
| 2930 (push (and (eq slot 'cl-tag-slot) (list 'quote tag)) | |
| 428 | 2931 defaults)) |
| 2932 (if (assq slot descp) | |
| 2933 (error "Duplicate slots named %s in %s" slot name)) | |
| 2934 (let ((accessor (intern (format "%s%s" conc-name slot)))) | |
| 2153 | 2935 (push slot slots) |
| 2936 (push (nth 1 desc) defaults) | |
| 2937 (push (list* | |
| 428 | 2938 'defsubst* accessor '(cl-x) |
| 2939 (append | |
| 2940 (and pred-check | |
| 2941 (list (list 'or pred-check | |
| 2942 (list 'error | |
| 2943 (format "%s accessing a non-%s" | |
| 2944 accessor name) | |
| 2945 'cl-x)))) | |
| 2946 (list (if (eq type 'vector) (list 'aref 'cl-x pos) | |
| 2947 (if (= pos 0) '(car cl-x) | |
| 2948 (list 'nth pos 'cl-x)))))) forms) | |
| 2153 | 2949 (push (cons accessor t) side-eff) |
| 2950 (push (list 'define-setf-method accessor '(cl-x) | |
| 2951 (if (cadr (memq :read-only (cddr desc))) | |
| 428 | 2952 (list 'error (format "%s is a read-only slot" |
| 2953 accessor)) | |
| 2954 (list 'cl-struct-setf-expander 'cl-x | |
| 2955 (list 'quote name) (list 'quote accessor) | |
| 2956 (and pred-check (list 'quote pred-check)) | |
| 2957 pos))) | |
| 2958 forms) | |
| 2959 (if print-auto | |
| 2960 (nconc print-func | |
| 2961 (list (list 'princ (format " %s" slot) 'cl-s) | |
| 2962 (list 'prin1 (list accessor 'cl-x) 'cl-s))))))) | |
| 2963 (setq pos (1+ pos)))) | |
| 2964 (setq slots (nreverse slots) | |
| 2965 defaults (nreverse defaults)) | |
| 2966 (and predicate pred-form | |
| 2153 | 2967 (progn (push (list 'defsubst* predicate '(cl-x) |
| 428 | 2968 (if (eq (car pred-form) 'and) |
| 2969 (append pred-form '(t)) | |
| 2970 (list 'and pred-form t))) forms) | |
| 2153 | 2971 (push (cons predicate 'error-free) side-eff))) |
| 428 | 2972 (and copier |
| 2153 | 2973 (progn (push (list 'defun copier '(x) '(copy-sequence x)) forms) |
| 2974 (push (cons copier t) side-eff))) | |
| 428 | 2975 (if constructor |
| 2153 | 2976 (push (list constructor |
| 428 | 2977 (cons '&key (delq nil (copy-sequence slots)))) |
| 2978 constrs)) | |
| 2979 (while constrs | |
| 2980 (let* ((name (caar constrs)) | |
| 2153 | 2981 (args (cadr (pop constrs))) |
| 428 | 2982 (anames (cl-arglist-args args)) |
| 2983 (make (mapcar* #'(lambda (s d) (if (memq s anames) s d)) | |
| 2984 slots defaults))) | |
| 2153 | 2985 (push (list 'defsubst* name |
| 428 | 2986 (list* '&cl-defs (list 'quote (cons nil descs)) args) |
| 2987 (cons type make)) forms) | |
| 2988 (if (cl-safe-expr-p (cons 'progn (mapcar 'second descs))) | |
| 2153 | 2989 (push (cons name t) side-eff)))) |
| 428 | 2990 (if print-auto (nconc print-func (list '(princ ")" cl-s) t))) |
| 2991 (if print-func | |
| 2153 | 2992 (push (list 'push |
| 428 | 2993 (list 'function |
| 2994 (list 'lambda '(cl-x cl-s cl-n) | |
| 2995 (list 'and pred-form print-func))) | |
| 2996 'custom-print-functions) forms)) | |
| 2153 | 2997 (push (list 'setq tag-symbol (list 'list (list 'quote tag))) forms) |
| 2998 (push (list* 'eval-when '(compile load eval) | |
| 428 | 2999 (list 'put (list 'quote name) '(quote cl-struct-slots) |
| 3000 (list 'quote descs)) | |
| 3001 (list 'put (list 'quote name) '(quote cl-struct-type) | |
| 3002 (list 'quote (list type (eq named t)))) | |
| 3003 (list 'put (list 'quote name) '(quote cl-struct-include) | |
| 3004 (list 'quote include)) | |
| 3005 (list 'put (list 'quote name) '(quote cl-struct-print) | |
| 3006 print-auto) | |
| 3007 (mapcar #'(lambda (x) | |
| 3008 (list 'put (list 'quote (car x)) | |
| 3009 '(quote side-effect-free) | |
| 3010 (list 'quote (cdr x)))) | |
| 3011 side-eff)) | |
| 3012 forms) | |
| 3013 (cons 'progn (nreverse (cons (list 'quote name) forms))))) | |
| 3014 | |
| 3015 ;;;###autoload | |
| 3016 (defun cl-struct-setf-expander (x name accessor pred-form pos) | |
| 3017 (let* ((temp (gensym "--x--")) (store (gensym "--store--"))) | |
| 3018 (list (list temp) (list x) (list store) | |
| 3019 (append '(progn) | |
| 3020 (and pred-form | |
| 3021 (list (list 'or (subst temp 'cl-x pred-form) | |
| 3022 (list 'error | |
| 3023 (format | |
| 3024 "%s storing a non-%s" accessor name) | |
| 3025 temp)))) | |
| 3026 (list (if (eq (car (get name 'cl-struct-type)) 'vector) | |
| 3027 (list 'aset temp pos store) | |
| 3028 (list 'setcar | |
| 3029 (if (<= pos 5) | |
| 3030 (let ((xx temp)) | |
| 3031 (while (>= (setq pos (1- pos)) 0) | |
| 3032 (setq xx (list 'cdr xx))) | |
| 3033 xx) | |
| 3034 (list 'nthcdr pos temp)) | |
| 3035 store)))) | |
| 3036 (list accessor temp)))) | |
| 3037 | |
| 3038 | |
| 3039 ;;; Types and assertions. | |
| 3040 | |
| 3041 ;;;###autoload | |
| 2153 | 3042 (defmacro deftype (name arglist &rest body) |
|
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3043 "Define NAME as a new data type. |
| 428 | 3044 The type name can then be used in `typecase', `check-type', etc." |
| 3045 (list 'eval-when '(compile load eval) | |
| 3046 (cl-transform-function-property | |
| 2153 | 3047 name 'cl-deftype-handler (cons (list* '&cl-defs ''('*) arglist) body)))) |
| 428 | 3048 |
| 3049 (defun cl-make-type-test (val type) | |
| 3050 (if (symbolp type) | |
| 3051 (cond ((get type 'cl-deftype-handler) | |
| 3052 (cl-make-type-test val (funcall (get type 'cl-deftype-handler)))) | |
| 3053 ((memq type '(nil t)) type) | |
| 2153 | 3054 ((eq type 'null) `(null ,val)) |
|
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4820
diff
changeset
|
3055 ((eq type 'float) `(floatp ,val)) |
| 2153 | 3056 ((eq type 'real) `(numberp ,val)) |
|
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6772ce4d982b
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|
3057 ((eq type 'fixnum) `(fixnump ,val)) |
| 2153 | 3058 ;; XEmacs change: we do not have char-valid-p |
| 3059 ((memq type '(character string-char)) `(characterp ,val)) | |
| 428 | 3060 (t |
| 3061 (let* ((name (symbol-name type)) | |
| 3062 (namep (intern (concat name "p")))) | |
| 3063 (if (fboundp namep) (list namep val) | |
| 3064 (list (intern (concat name "-p")) val))))) | |
| 3065 (cond ((get (car type) 'cl-deftype-handler) | |
| 3066 (cl-make-type-test val (apply (get (car type) 'cl-deftype-handler) | |
| 3067 (cdr type)))) | |
| 3068 ((memq (car-safe type) '(integer float real number)) | |
| 3069 (delq t (list 'and (cl-make-type-test val (car type)) | |
| 3070 (if (memq (cadr type) '(* nil)) t | |
| 3071 (if (consp (cadr type)) (list '> val (caadr type)) | |
| 3072 (list '>= val (cadr type)))) | |
| 3073 (if (memq (caddr type) '(* nil)) t | |
| 3074 (if (consp (caddr type)) (list '< val (caaddr type)) | |
| 3075 (list '<= val (caddr type))))))) | |
| 3076 ((memq (car-safe type) '(and or not)) | |
| 3077 (cons (car type) | |
| 3078 (mapcar #'(lambda (x) (cl-make-type-test val x)) | |
| 3079 (cdr type)))) | |
| 3080 ((memq (car-safe type) '(member member*)) | |
| 3081 (list 'and (list 'member* val (list 'quote (cdr type))) t)) | |
|
5305
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changeset
|
3082 ((eq (car-safe type) 'eql) |
|
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|
3083 (list 'eql (cadr type) val)) |
| 428 | 3084 ((eq (car-safe type) 'satisfies) (list (cadr type) val)) |
| 3085 (t (error "Bad type spec: %s" type))))) | |
| 3086 | |
| 3087 ;;;###autoload | |
| 444 | 3088 (defun typep (object type) ; See compiler macro below. |
| 428 | 3089 "Check that OBJECT is of type TYPE. |
| 3090 TYPE is a Common Lisp-style type specifier." | |
| 444 | 3091 (eval (cl-make-type-test 'object type))) |
| 428 | 3092 |
| 3093 ;;;###autoload | |
| 446 | 3094 (defmacro check-type (place type &optional string) |
| 3095 "Verify that PLACE is of type TYPE; signal a continuable error if not. | |
| 428 | 3096 STRING is an optional description of the desired type." |
| 2153 | 3097 (and (or (not (cl-compiling-file)) |
| 3098 (< cl-optimize-speed 3) (= cl-optimize-safety 3)) | |
| 3099 (let* ((temp (if (cl-simple-expr-p place 3) place (gensym))) | |
| 3100 (test (cl-make-type-test temp type)) | |
| 3101 (signal-error `(signal 'wrong-type-argument | |
| 3102 ,(list 'list (or string (list 'quote type)) | |
| 3103 temp (list 'quote place)))) | |
| 3104 (body | |
| 3105 (condition-case nil | |
| 3106 `(while (not ,test) | |
| 3107 ,(macroexpand `(setf ,place ,signal-error))) | |
| 3108 (error | |
| 3109 `(if ,test (progn ,signal-error nil)))))) | |
| 3110 (if (eq temp place) `(progn ,body nil) | |
| 3111 `(let ((,temp ,place)) ,body nil))))) | |
| 428 | 3112 |
| 3113 ;;;###autoload | |
| 3114 (defmacro assert (form &optional show-args string &rest args) | |
| 3115 "Verify that FORM returns non-nil; signal an error if not. | |
| 3116 Second arg SHOW-ARGS means to include arguments of FORM in message. | |
| 3117 Other args STRING and ARGS... are arguments to be passed to `error'. | |
| 3118 They are not evaluated unless the assertion fails. If STRING is | |
| 3119 omitted, a default message listing FORM itself is used." | |
| 3120 (and (or (not (cl-compiling-file)) | |
| 3121 (< cl-optimize-speed 3) (= cl-optimize-safety 3)) | |
| 3122 (let ((sargs (and show-args (delq nil (mapcar | |
| 3123 #'(lambda (x) | |
| 3124 (and (not (cl-const-expr-p x)) | |
| 3125 x)) | |
| 3126 (cdr form)))))) | |
| 3127 (list 'progn | |
| 3128 (list 'or form | |
| 3129 (if string | |
| 3130 (list* 'error string (append sargs args)) | |
| 3131 (list 'signal '(quote cl-assertion-failed) | |
| 3132 (list* 'list (list 'quote form) sargs)))) | |
| 3133 nil)))) | |
| 3134 | |
| 3135 ;;;###autoload | |
| 3136 (defmacro ignore-errors (&rest body) | |
| 2153 | 3137 "Execute BODY; if an error occurs, return nil. |
| 3138 Otherwise, return result of last form in BODY." | |
| 428 | 3139 `(condition-case nil (progn ,@body) (error nil))) |
| 3140 | |
| 2153 | 3141 ;; XEmacs addition |
| 428 | 3142 ;;;###autoload |
| 3143 (defmacro ignore-file-errors (&rest body) | |
| 3144 "Execute FORMS; if an error of type `file-error' occurs, return nil. | |
| 3145 Otherwise, return result of last FORM." | |
| 3146 `(condition-case nil (progn ,@body) (file-error nil))) | |
| 3147 | |
| 3148 | |
| 3149 ;;; Compiler macros. | |
| 3150 | |
| 3151 ;;;###autoload | |
| 3152 (defmacro define-compiler-macro (func args &rest body) | |
|
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|
3153 "Define a compiler-only macro. |
| 428 | 3154 This is like `defmacro', but macro expansion occurs only if the call to |
| 3155 FUNC is compiled (i.e., not interpreted). Compiler macros should be used | |
| 3156 for optimizing the way calls to FUNC are compiled; the form returned by | |
| 3157 BODY should do the same thing as a call to the normal function called | |
| 3158 FUNC, though possibly more efficiently. Note that, like regular macros, | |
| 3159 compiler macros are expanded repeatedly until no further expansions are | |
| 3160 possible. Unlike regular macros, BODY can decide to \"punt\" and leave the | |
| 3161 original function call alone by declaring an initial `&whole foo' parameter | |
| 3162 and then returning foo." | |
| 3163 (let ((p (if (listp args) args (list '&rest args))) (res nil)) | |
| 2153 | 3164 (while (consp p) (push (pop p) res)) |
| 3165 (setq args (nconc (nreverse res) (and p (list '&rest p))))) | |
| 428 | 3166 (list 'eval-when '(compile load eval) |
| 3167 (cl-transform-function-property | |
| 3168 func 'cl-compiler-macro | |
| 3169 (cons (if (memq '&whole args) (delq '&whole args) | |
| 3170 (cons '--cl-whole-arg-- args)) body)) | |
| 3171 (list 'or (list 'get (list 'quote func) '(quote byte-compile)) | |
| 3172 (list 'put (list 'quote func) '(quote byte-compile) | |
| 3173 '(quote cl-byte-compile-compiler-macro))))) | |
| 3174 | |
| 3175 ;;;###autoload | |
| 3176 (defun compiler-macroexpand (form) | |
| 3177 (while | |
| 3178 (let ((func (car-safe form)) (handler nil)) | |
| 3179 (while (and (symbolp func) | |
| 3180 (not (setq handler (get func 'cl-compiler-macro))) | |
| 3181 (fboundp func) | |
| 3182 (or (not (eq (car-safe (symbol-function func)) 'autoload)) | |
| 3183 (load (nth 1 (symbol-function func))))) | |
| 3184 (setq func (symbol-function func))) | |
| 3185 (and handler | |
| 3186 (not (eq form (setq form (apply handler form (cdr form)))))))) | |
| 3187 form) | |
| 3188 | |
| 3189 (defun cl-byte-compile-compiler-macro (form) | |
| 3190 (if (eq form (setq form (compiler-macroexpand form))) | |
| 3191 (byte-compile-normal-call form) | |
| 3192 (byte-compile-form form))) | |
| 3193 | |
|
5219
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|
3194 (defmacro defsubst* (name arglist &optional docstring &rest body) |
|
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|
3195 "Define NAME as a function. |
| 428 | 3196 Like `defun', except the function is automatically declared `inline', |
| 3197 ARGLIST allows full Common Lisp conventions, and BODY is implicitly | |
| 3198 surrounded by (block NAME ...)." | |
|
5219
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3199 (let* ((argns (cl-arglist-args arglist)) (p argns) |
|
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|
3200 (exec-body (if (or (stringp docstring) (null docstring)) |
|
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|
3201 body |
|
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|
3202 (cons docstring body))) |
|
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|
3203 (pbody (cons 'progn exec-body)) |
| 428 | 3204 (unsafe (not (cl-safe-expr-p pbody)))) |
|
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|
3205 (while (and p (eq (cl-expr-contains arglist (car p)) 1)) (pop p)) |
| 428 | 3206 (list 'progn |
| 3207 (if p nil ; give up if defaults refer to earlier args | |
| 3208 (list 'define-compiler-macro name | |
|
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|
3209 (if (memq '&key arglist) |
|
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|
3210 (list* '&whole 'cl-whole '&cl-quote arglist) |
|
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|
3211 (cons '&cl-quote arglist)) |
| 428 | 3212 (list* 'cl-defsubst-expand (list 'quote argns) |
|
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|
3213 (list 'quote (list* 'block name exec-body)) |
| 428 | 3214 (not (or unsafe (cl-expr-access-order pbody argns))) |
|
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|
3215 (and (memq '&key arglist) 'cl-whole) unsafe argns))) |
|
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|
3216 (list* 'defun* name arglist docstring body)))) |
| 428 | 3217 |
| 3218 (defun cl-defsubst-expand (argns body simple whole unsafe &rest argvs) | |
| 3219 (if (and whole (not (cl-safe-expr-p (cons 'progn argvs)))) whole | |
| 3220 (if (cl-simple-exprs-p argvs) (setq simple t)) | |
| 3221 (let ((lets (delq nil | |
| 3222 (mapcar* #'(lambda (argn argv) | |
| 3223 (if (or simple (cl-const-expr-p argv)) | |
| 3224 (progn (setq body (subst argv argn body)) | |
| 3225 (and unsafe (list argn argv))) | |
| 3226 (list argn argv))) | |
| 3227 argns argvs)))) | |
| 3228 (if lets (list 'let lets body) body)))) | |
| 3229 | |
| 3230 | |
| 3231 ;;; Compile-time optimizations for some functions defined in this package. | |
| 3232 ;;; Note that cl.el arranges to force cl-macs to be loaded at compile-time, | |
| 3233 ;;; mainly to make sure these macros will be present. | |
| 3234 | |
|
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|
3235 (defun cl-non-fixnum-number-p (object) |
|
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|
3236 (and (numberp object) (not (fixnump object)))) |
|
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|
3237 |
| 428 | 3238 (define-compiler-macro eql (&whole form a b) |
| 3239 (cond ((eq (cl-const-expr-p a) t) | |
| 3240 (let ((val (cl-const-expr-val a))) | |
|
5294
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|
3241 (if (cl-non-fixnum-number-p val) |
| 428 | 3242 (list 'equal a b) |
| 3243 (list 'eq a b)))) | |
| 3244 ((eq (cl-const-expr-p b) t) | |
| 3245 (let ((val (cl-const-expr-val b))) | |
|
5294
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|
3246 (if (cl-non-fixnum-number-p val) |
| 428 | 3247 (list 'equal a b) |
| 3248 (list 'eq a b)))) | |
| 3249 (t form))) | |
| 3250 | |
|
5294
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|
3251 (macrolet |
|
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|
3252 ((define-star-compiler-macros (&rest macros) |
|
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|
3253 "For `member*', `assoc*' and `rassoc*' with constant ITEM or |
|
bbff29a01820
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|
3254 :test arguments, use the versions with explicit tests if that makes sense." |
|
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|
3255 (list* |
|
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|
3256 'progn |
|
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|
3257 (mapcar |
|
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|
3258 (function* |
|
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|
3259 (lambda ((star-function eq-function equal-function)) |
|
5329
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|
3260 `(define-compiler-macro ,star-function (&whole form &rest keys) |
|
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|
3261 (if (< (length form) 3) |
|
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|
3262 form |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3263 (condition-case nil |
|
7b391d07b334
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|
3264 (symbol-macrolet ((not-constant '#:not-constant)) |
|
7b391d07b334
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|
3265 (let* ((item (pop keys)) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3266 (list (pop keys)) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3267 (test-expr (plist-get keys :test ''eql)) |
|
7b391d07b334
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|
3268 (test (cl-const-expr-val test-expr not-constant)) |
|
7b391d07b334
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|
3269 (item-val (cl-const-expr-val item not-constant)) |
|
7b391d07b334
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|
3270 (list-val (cl-const-expr-val list not-constant))) |
|
7b391d07b334
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|
3271 (if (and keys (not (and (eq :test (car keys)) |
|
7b391d07b334
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|
3272 (eql 2 (length keys))))) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3273 form |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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changeset
|
3274 (cond ((eq test 'eq) `(,',eq-function ,item ,list)) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3275 ((eq test 'equal) |
|
7b391d07b334
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|
3276 `(,',equal-function ,item ,list)) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3277 ((and (eq test 'eql) |
|
7b391d07b334
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|
3278 (not (eq not-constant item-val))) |
|
7b391d07b334
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|
3279 (if (cl-non-fixnum-number-p item-val) |
|
7b391d07b334
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|
3280 `(,',equal-function ,item ,list) |
|
7b391d07b334
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|
3281 `(,',eq-function ,item ,list))) |
|
7b391d07b334
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|
3282 ((and (eq test 'eql) (not (eq not-constant |
|
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|
3283 list-val))) |
|
7b391d07b334
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|
3284 (if (some 'cl-non-fixnum-number-p list-val) |
|
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|
3285 `(,',equal-function ,item ,list) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3286 ;; This compiler macro used to limit |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3287 ;; calls to ,,eq-function to lists where |
|
7b391d07b334
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Aidan Kehoe <kehoea@parhasard.net>
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|
3288 ;; all elements were either fixnums or |
|
7b391d07b334
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|
3289 ;; symbols. There's no reason to do this. |
|
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|
3290 `(,',eq-function ,item ,list))) |
|
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|
3291 ;; This is a hilariously specific case; see |
|
7b391d07b334
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|
3292 ;; add-to-list in subr.el. |
|
7b391d07b334
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|
3293 ((and (eq test not-constant) |
|
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|
3294 (eq 'or (car-safe test-expr)) |
|
7b391d07b334
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|
3295 (eql 3 (length test-expr)) |
|
7b391d07b334
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|
3296 (every #'cl-safe-expr-p (cdr form)) |
|
7b391d07b334
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|
3297 `(if ,(second test-expr) |
|
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|
3298 (,',star-function ,item ,list :test |
|
7b391d07b334
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|
3299 ,(second test-expr)) |
|
7b391d07b334
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|
3300 (,',star-function |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3301 ,item ,list :test |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
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|
3302 ,(third test-expr))))) |
|
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Tweak a few compiler macros for functions in cl-seq.el.
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|
3303 (t form))))) |
|
7b391d07b334
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|
3304 ;; No need to warn about a malformed property list, |
|
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|
3305 ;; #'byte-compile-normal-call will do that for us. |
|
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|
3306 (malformed-property-list form)))))) |
|
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|
3307 macros)))) |
|
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|
3308 (define-star-compiler-macros |
|
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|
3309 (member* memq member) |
|
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3310 (assoc* assq assoc) |
|
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|
3311 (rassoc* rassq rassoc))) |
| 428 | 3312 |
| 3313 (define-compiler-macro adjoin (&whole form a list &rest keys) | |
| 3314 (if (and (cl-simple-expr-p a) (cl-simple-expr-p list) | |
| 2153 | 3315 (not (memq :key keys))) |
| 428 | 3316 (list 'if (list* 'member* a list keys) list (list 'cons a list)) |
| 3317 form)) | |
| 3318 | |
|
5338
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
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5329
diff
changeset
|
3319 (define-compiler-macro delete (&whole form &rest args) |
|
5346
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
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5342
diff
changeset
|
3320 (if (eql 3 (length form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3321 (symbol-macrolet ((not-constant '#:not-constant)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3322 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3323 (if (and (cdr form) (not (eq not-constant cl-const-expr-val)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3324 (or (symbolp cl-const-expr-val) (fixnump cl-const-expr-val) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3325 (characterp cl-const-expr-val))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3326 (cons 'delete* (cdr form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3327 `(delete* ,@(cdr form) :test #'equal)))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3328 form)) |
|
5338
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3329 |
|
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3330 (define-compiler-macro delq (&whole form &rest args) |
|
5346
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3331 (if (eql 3 (length form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3332 (symbol-macrolet |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3333 ((not-constant '#:not-constant)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3334 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3335 (if (and (cdr form) (not (eq not-constant cl-const-expr-val)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3336 (not (cl-non-fixnum-number-p cl-const-expr-val))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3337 (cons 'delete* (cdr form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3338 `(delete* ,@(cdr form) :test #'eq)))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3339 form)) |
|
5338
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3340 |
|
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3341 (define-compiler-macro remove (&whole form &rest args) |
|
5346
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3342 (if (eql 3 (length form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3343 (symbol-macrolet |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3344 ((not-constant '#:not-constant)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3345 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3346 (if (and (cdr form) (not (eq not-constant cl-const-expr-val)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3347 (or (symbolp cl-const-expr-val) (fixnump cl-const-expr-val) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3348 (characterp cl-const-expr-val))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3349 (cons 'remove* (cdr form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3350 `(remove* ,@(cdr form) :test #'equal)))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3351 form)) |
|
5338
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3352 |
|
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3353 (define-compiler-macro remq (&whole form &rest args) |
|
5346
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3354 (if (eql 3 (length form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3355 (symbol-macrolet |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3356 ((not-constant '#:not-constant)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3357 (let ((cl-const-expr-val (cl-const-expr-val (nth 1 form) not-constant))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3358 (if (and (cdr form) (not (eq not-constant cl-const-expr-val)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3359 (not (cl-non-fixnum-number-p cl-const-expr-val))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3360 (cons 'remove* (cdr form)) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3361 `(remove* ,@(cdr form) :test #'eq)))) |
|
b4ef3128160c
Fix some testsuite failures, #'delete, #'delq, #'remove, #'remq.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5342
diff
changeset
|
3362 form)) |
|
5338
8608eadee6ba
Move #'delq, #'delete to Lisp, adding support for sequences.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5329
diff
changeset
|
3363 |
|
5294
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3364 (macrolet |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3365 ((define-foo-if-compiler-macros (&rest alist) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3366 "Avoid the funcall, variable binding and keyword parsing overhead |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3367 for the FOO-IF and FOO-IF-NOT functions, transforming to forms using the |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3368 non-standard :if and :if-not keywords at compile time." |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3369 (cons |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3370 'progn |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3371 (mapcar |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3372 (function* |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3373 (lambda ((function-if . function)) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3374 (let ((keyword (if (equal (substring (symbol-name function-if) -3) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3375 "not") |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3376 :if-not |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3377 :if))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3378 `(define-compiler-macro ,function-if (&whole form &rest args) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3379 (if (and (nthcdr 2 form) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3380 (or (consp (cl-const-expr-val (second form))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3381 (cl-safe-expr-p (second form)))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3382 ;; It doesn't matter what the second argument is, it's |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3383 ;; ignored by FUNCTION. We know that the symbol |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3384 ;; FUNCTION is in the constants vector, so use it. |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3385 `(,',function ',',function ,(third form) ,,keyword |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3386 ,(second form) ,@(nthcdr 3 form)) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3387 form))))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3388 alist)))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3389 (define-foo-if-compiler-macros |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3390 (remove-if . remove*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3391 (remove-if-not . remove*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3392 (delete-if . delete*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3393 (delete-if-not . delete*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3394 (find-if . find) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3395 (find-if-not . find) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3396 (position-if . position) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3397 (position-if-not . position) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3398 (count-if . count) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3399 (count-if-not . count) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3400 (member-if . member*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3401 (member-if-not . member*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3402 (assoc-if . assoc*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3403 (assoc-if-not . assoc*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3404 (rassoc-if . rassoc*) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3405 (rassoc-if-not . rassoc*))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3406 |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3407 (macrolet |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3408 ((define-substitute-if-compiler-macros (&rest alist) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3409 "Like the above, but for `substitute-if' and friends." |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3410 (cons |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3411 'progn |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3412 (mapcar |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3413 (function* |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3414 (lambda ((function-if . function)) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3415 (let ((keyword (if (equal (substring (symbol-name function-if) -3) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3416 "not") |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3417 :if-not |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3418 :if))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3419 `(define-compiler-macro ,function-if (&whole form &rest args) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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|
3420 (if (and (nthcdr 3 form) |
|
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3421 (or (consp (cl-const-expr-val (third form))) |
|
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3422 (cl-safe-expr-p (third form)))) |
|
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|
3423 `(,',function ,(second form) ',',function ,(fourth form) |
|
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|
3424 ,,keyword ,(third form) ,@(nthcdr 4 form)) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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3425 form))))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3426 alist)))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3427 (define-substitute-if-compiler-macros |
|
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|
3428 (substitute-if . substitute) |
|
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|
3429 (substitute-if-not . substitute) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
3430 (nsubstitute-if . nsubstitute) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
3431 (nsubstitute-if-not . nsubstitute))) |
|
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|
3432 |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3433 (macrolet |
|
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|
3434 ((define-subst-if-compiler-macros (&rest alist) |
|
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|
3435 "Like the above, but for `subst-if' and friends." |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3436 (cons |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3437 'progn |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3438 (mapcar |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3439 (function* |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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|
3440 (lambda ((function-if . function)) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3441 (let ((keyword (if (equal (substring (symbol-name function-if) -3) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
3442 "not") |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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|
3443 :if-not |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
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|
3444 :if))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3445 `(define-compiler-macro ,function-if (&whole form &rest args) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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parents:
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changeset
|
3446 (if (and (nthcdr 3 form) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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|
3447 (or (consp (cl-const-expr-val (third form))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3448 (cl-safe-expr-p (third form)))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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changeset
|
3449 `(,',function ,(if (cl-const-expr-p (second form)) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
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|
3450 `'((nil . ,(cl-const-expr-val |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3451 (second form)))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
3452 `(list (cons ',',function |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3453 ,(second form)))) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3454 ,(fourth form) ,,keyword ,(third form) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3455 ,@(nthcdr 4 form)) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
3456 form))))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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|
3457 alist)))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
3458 (define-subst-if-compiler-macros |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
3459 (subst-if . sublis) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3460 (subst-if-not . sublis) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
3461 (nsubst-if . nsublis) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
3462 (nsubst-if-not . nsublis))) |
|
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Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
3463 |
| 428 | 3464 (define-compiler-macro list* (arg &rest others) |
| 3465 (let* ((args (reverse (cons arg others))) | |
| 3466 (form (car args))) | |
| 3467 (while (setq args (cdr args)) | |
| 3468 (setq form (list 'cons (car args) form))) | |
| 3469 form)) | |
| 3470 | |
| 2153 | 3471 ;; XEmacs change: our builtin get takes the default argument |
| 440 | 3472 (define-compiler-macro get* (sym prop &optional default) |
| 3473 (list 'get sym prop default)) | |
| 428 | 3474 |
| 442 | 3475 (define-compiler-macro getf (sym prop &optional default) |
| 3476 (list 'plist-get sym prop default)) | |
| 3477 | |
| 428 | 3478 (define-compiler-macro typep (&whole form val type) |
| 3479 (if (cl-const-expr-p type) | |
| 3480 (let ((res (cl-make-type-test val (cl-const-expr-val type)))) | |
| 3481 (if (or (memq (cl-expr-contains res val) '(nil 1)) | |
| 3482 (cl-simple-expr-p val)) res | |
| 3483 (let ((temp (gensym))) | |
| 3484 (list 'let (list (list temp val)) (subst temp val res))))) | |
| 3485 form)) | |
| 3486 | |
|
5085
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3487 (define-compiler-macro delete-dups (list) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3488 `(delete-duplicates (the list ,list) :test #'equal :from-end t)) |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3489 |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3490 ;; XEmacs; inline delete-duplicates if it's called with one of the |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3491 ;; common compile-time constant tests and an optional :from-end |
|
1ee30d3f9dd0
Handle the :from-end argument correctly, #'delete-duplicates compiler macro.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5084
diff
changeset
|
3492 ;; argument, we want the speed in font-lock.el. |
|
5317
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3493 (define-compiler-macro delete-duplicates (&whole form &rest cl-keys) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3494 (let ((cl-seq (if cl-keys (pop cl-keys)))) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3495 (if (or |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3496 (not (or (memq (car-safe cl-seq) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3497 ;; No need to check for a list at runtime with |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3498 ;; these. We could expand the list, but these are all |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3499 ;; the functions in the relevant context at the moment. |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3500 '(nreverse append nconc mapcan mapcar string-to-list)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3501 (and (listp cl-seq) (equal (butlast cl-seq) '(the list))))) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3502 ;; Wrong number of arguments. |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
3503 (not (cdr form))) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3504 form |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3505 (cond |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3506 ((or (plists-equal cl-keys '(:test 'eq) t) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3507 (plists-equal cl-keys '(:test #'eq) t)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3508 `(let* ((begin ,cl-seq) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3509 cl-seq) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3510 (while (memq (car begin) (cdr begin)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
3511 (setq begin (cdr begin))) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
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|
3512 (setq cl-seq begin) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
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|
3513 (while (cddr cl-seq) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
3514 (if (memq (cadr cl-seq) (cddr cl-seq)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
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|
3515 (setcdr (cdr cl-seq) (cddr cl-seq))) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
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|
3516 (setq cl-seq (cdr cl-seq))) |
|
8aa511adfad6
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|
3517 begin)) |
|
8aa511adfad6
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Aidan Kehoe <kehoea@parhasard.net>
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|
3518 ((or (plists-equal cl-keys '(:test 'eq :from-end t) t) |
|
8aa511adfad6
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|
3519 (plists-equal cl-keys '(:test #'eq :from-end t) t)) |
|
8aa511adfad6
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|
3520 `(let* ((begin ,cl-seq) |
|
8aa511adfad6
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|
3521 (cl-seq begin)) |
|
8aa511adfad6
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|
3522 (while cl-seq |
|
8aa511adfad6
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|
3523 (setq cl-seq (setcdr cl-seq |
|
8aa511adfad6
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|
3524 (delq (car cl-seq) (cdr cl-seq))))) |
|
8aa511adfad6
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|
3525 begin)) |
|
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|
3526 ((or (plists-equal cl-keys '(:test 'equal) t) |
|
8aa511adfad6
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|
3527 (plists-equal cl-keys '(:test #'equal) t)) |
|
8aa511adfad6
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|
3528 `(let* ((begin ,cl-seq) |
|
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|
3529 cl-seq) |
|
8aa511adfad6
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|
3530 (while (member (car begin) (cdr begin)) |
|
8aa511adfad6
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|
3531 (setq begin (cdr begin))) |
|
8aa511adfad6
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|
3532 (setq cl-seq begin) |
|
8aa511adfad6
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|
3533 (while (cddr cl-seq) |
|
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|
3534 (if (member (cadr cl-seq) (cddr cl-seq)) |
|
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|
3535 (setcdr (cdr cl-seq) (cddr cl-seq))) |
|
8aa511adfad6
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|
3536 (setq cl-seq (cdr cl-seq))) |
|
8aa511adfad6
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|
3537 begin)) |
|
8aa511adfad6
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|
3538 ((or (plists-equal cl-keys '(:test 'equal :from-end t) t) |
|
8aa511adfad6
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|
3539 (plists-equal cl-keys '(:test #'equal :from-end t) t)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3540 `(let* ((begin ,cl-seq) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3541 (cl-seq begin)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3542 (while cl-seq |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3543 (setq cl-seq (setcdr cl-seq (delete (car cl-seq) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3544 (cdr cl-seq))))) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3545 begin)) |
|
8aa511adfad6
#'delete-duplicates: don't attempt to compiler macroexpand with bad arguments
Aidan Kehoe <kehoea@parhasard.net>
parents:
5316
diff
changeset
|
3546 (t form))))) |
| 428 | 3547 |
|
4723
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3548 ;; XEmacs; it's perfectly reasonable, and often much clearer to those |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3549 ;; reading the code, to call regexp-quote on a constant string, which is |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3550 ;; something we can optimise here easily. |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3551 (define-compiler-macro regexp-quote (&whole form string) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3552 (if (stringp string) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3553 (regexp-quote string) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3554 form)) |
|
ebca981a0012
If STRING is constant, call regexp-quote at compile time.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4719
diff
changeset
|
3555 |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3556 ;; NOTE: `equalp' is now a primitive, although as of yet it still doesn't |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3557 ;; have a byte-compiler opcode for it. The compiler-macro for `equalp' used |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3558 ;; to try and remove as much as possible of the logic of the Lisp `equalp' as |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3559 ;; possible whenever one of the arguments is a constant, boiling things down |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3560 ;; to a few if-statements and some calls to various no-longer-defined |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3561 ;; helper functions. Besides the fact that the helper functions aren't |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3562 ;; defined, there's little point in doing any of that expansion, since it will |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3563 ;; end up executing in Lisp what would otherwise be done in C by a direct |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3564 ;; call to `equalp'. The only exception is when the reduction is quite |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3565 ;; simple and is to functions that do have op-codes; that may gain something. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3566 ;; However, if `equalp' becomes an opcode itself, consider removing everything |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3567 ;; here except maybe when the call can directly be reduced to `equal' or `eq'. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3568 ;; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3569 ;; --ben |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3570 |
|
4792
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3571 (define-compiler-macro equalp (&whole form x y) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3572 "Expand calls to `equalp' where X or Y is a constant expression. |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3573 |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3574 Much of the processing that `equalp' does is dependent on the types of both |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3575 of its arguments, and with type information for one of them, we can |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3576 eliminate much of the body of the function at compile time. |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3577 |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3578 Where both X and Y are constant expressions, `equalp' is evaluated at |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3579 compile time by byte-optimize.el--this compiler macro passes FORM through to |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3580 the byte optimizer in those cases." |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3581 ;; Cases where both arguments are constant are handled in |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3582 ;; byte-optimize.el, we only need to handle those cases where one is |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3583 ;; constant here. |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3584 (let* ((equalp-sym (eval-when-compile (gensym))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3585 (let-form '(progn)) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3586 (original-y y) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3587 equalp-temp checked) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3588 (macrolet |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3589 ((unordered-check (check) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3590 `(prog1 |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3591 (setq checked |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3592 (or ,check |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3593 (prog1 ,(sublis '((x . y) (y . x)) check :test #'eq) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3594 (setq equalp-temp x x y y equalp-temp)))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3595 (when checked |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3596 (unless (symbolp y) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3597 (setq let-form `(let ((,equalp-sym ,y))) y equalp-sym)))))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3598 ;; In the bodies of the below clauses, x is always a constant expression |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3599 ;; of the type we're interested in, and y is always a symbol that refers |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3600 ;; to the result non-constant side of the comparison. |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3601 (cond ((unordered-check (and (arrayp x) (not (cl-const-expr-p y)))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3602 ;; Strings and other arrays. A vector containing the same |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3603 ;; character elements as a given string is equalp to that string; |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3604 ;; a bit-vector can only be equalp to a string if both are |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3605 ;; zero-length. |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3606 (cond |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3607 ((member x '("" #* [])) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3608 ;; No need to protect against multiple evaluation here: |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3609 `(and (member ,original-y '("" #* [])) t)) |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3610 (t form))) |
|
4792
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3611 ((unordered-check (and (numberp x) (not (cl-const-expr-p y)))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3612 `(,@let-form |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3613 (and (numberp ,y) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3614 (= ,x ,y)))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3615 ((unordered-check (and (hash-table-p x) (not (cl-const-expr-p y)))) |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3616 form) |
|
4792
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3617 ((unordered-check |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3618 ;; Symbols; eq. |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3619 (and (not (cl-const-expr-p y)) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3620 (or (memq x '(nil t)) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3621 (and (eq (car-safe x) 'quote) (symbolp (second x)))))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3622 (cons 'eq (cdr form))) |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3623 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3624 ;; This clause is wrong -- e.g. when comparing a constant char-table |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3625 ;; against a non-constant expression that evaluates to a char-table, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3626 ;; or some for range tables or certain other types, `equalp' is |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3627 ;; not the same as `equal'. We could insert the known list of |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3628 ;; types with special `equalp' property, but it's fragile and may |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3629 ;; not be much of an optimization, esp. since these types don't |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3630 ;; occur that often are often big. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3631 ;;((unordered-check |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3632 ;; ;; Compare conses at runtime, there's no real upside to |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3633 ;; ;; unrolling the function -> they fall through to the next |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3634 ;; ;; clause in this function. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3635 ;; (and (cl-const-expr-p x) (not (consp x)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3636 ;; (not (cl-const-expr-p y)))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3637 ;; ;; All other types; use equal. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3638 ;; (cons 'equal (cdr form))) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3639 |
|
4792
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3640 ;; Neither side is a constant expression, do all our evaluation at |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3641 ;; runtime (or both are, and equalp will be called from |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3642 ;; byte-optimize.el). |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3643 (t form))))) |
|
95b04754ea8c
Make #'equalp more compatible with CL; add a compiler macro, test & doc it.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4783
diff
changeset
|
3644 |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3645 (define-compiler-macro notany (&whole form &rest cl-rest) |
|
5153
f552caabf58b
Correct the notany, notevery compiler macros.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5099
diff
changeset
|
3646 `(not (some ,@(cdr form)))) |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3647 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3648 (define-compiler-macro notevery (&whole form &rest cl-rest) |
|
5153
f552caabf58b
Correct the notany, notevery compiler macros.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5099
diff
changeset
|
3649 `(not (every ,@(cdr form)))) |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3650 |
|
5056
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3651 (define-compiler-macro constantly (&whole form value &rest more-values) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3652 (cond |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3653 ((< (length form) 2) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3654 ;; Error at runtime: |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3655 form) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3656 ((cl-const-exprs-p (cdr form)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3657 `#'(lambda (&rest ignore) (values ,@(cdr form)))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3658 (t |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3659 (let* ((num-values (length (cdr form))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3660 (placeholders-counts (make-vector num-values -1)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3661 (placeholders (loop |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3662 for i from 0 below num-values |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3663 collect (make-symbol (format "%d" i)))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3664 (compiled |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3665 (byte-compile-sexp |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3666 `#'(lambda (&rest ignore) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3667 ;; Compiles to a references into the compiled function |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3668 ;; constants vector: |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3669 (values ,@(mapcar #'quote-maybe placeholders))))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3670 position) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3671 `(make-byte-code '(&rest ignore) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3672 ,(compiled-function-instructions compiled) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3673 (vector ,@(loop |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3674 for constant across (compiled-function-constants compiled) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3675 collect (if (setq position |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3676 (position constant placeholders)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3677 (prog2 |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3678 (incf (aref placeholders-counts position)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3679 (nth position (cdr form))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3680 (quote-maybe constant)) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3681 finally |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3682 (assert (every #'zerop placeholders-counts) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3683 t "Placeholders should each have been used once"))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3684 ,(compiled-function-stack-depth compiled)))))) |
|
6aba0daedb7c
Add #'constantly, as specified by ANSI Common Lisp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4997
diff
changeset
|
3685 |
|
5182
2e528066e2fc
Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5153
diff
changeset
|
3686 (define-compiler-macro stable-sort (&whole form &rest cl-rest) |
|
2e528066e2fc
Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5153
diff
changeset
|
3687 (cons 'sort* (cdr form))) |
|
2e528066e2fc
Move #'sort*, #'fill, #'merge to C from cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5153
diff
changeset
|
3688 |
|
5219
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3689 (define-compiler-macro svref (&whole form) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3690 (cons 'aref (cdr form))) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3691 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3692 (define-compiler-macro acons (a b c) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3693 `(cons (cons ,a ,b) ,c)) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3694 |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3695 (define-compiler-macro pairlis (a b &optional c) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3696 `(nconc (mapcar* #'cons ,a ,b) ,c)) |
|
2d0937dc83cf
Tidying of CL files; make docstrings read better, remove commented-out code
Aidan Kehoe <kehoea@parhasard.net>
parents:
5182
diff
changeset
|
3697 |
|
5226
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3698 (define-compiler-macro complement (&whole form fn) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3699 (if (or (eq (car-safe fn) 'function) (eq (car-safe fn) 'quote)) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3700 (cond |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3701 ((and (symbolp (second fn)) (get (second fn) 'byte-compile-negated-op)) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3702 (list 'function (get (second fn) 'byte-compile-negated-op))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3703 ((and (symbolp (second fn)) (fboundp (second fn)) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3704 (compiled-function-p (indirect-function (second fn)))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3705 (let* ((cf (indirect-function (second fn))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3706 (cfa (compiled-function-arglist cf)) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3707 (do-apply (memq '&rest cfa))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3708 `#'(lambda ,cfa |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3709 (not (,@(if do-apply `(apply ',(second fn)) (list (second fn))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3710 ,@(remq '&optional |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3711 (remq '&rest cfa))))))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3712 (t |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3713 `#'(lambda (&rest arguments) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3714 (not (apply ,fn arguments))))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3715 ;; Determine the function to call at runtime. |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3716 (destructuring-bind |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3717 (arglist instructions constants stack-depth) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3718 (let ((compiled-lambda |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3719 (byte-compile-sexp |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3720 #'(lambda (&rest arguments) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3721 (not (apply 'placeholder arguments)))))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3722 (list |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3723 (compiled-function-arglist compiled-lambda) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3724 (compiled-function-instructions compiled-lambda) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3725 (append (compiled-function-constants compiled-lambda) nil) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3726 (compiled-function-stack-depth compiled-lambda))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3727 `(make-byte-code |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3728 ',arglist ,instructions (vector |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3729 ,@(nsublis |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3730 (list (cons (quote-maybe |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3731 'placeholder) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3732 fn)) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3733 (mapcar #'quote-maybe constants) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3734 :test #'equal)) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3735 ,stack-depth)))) |
|
7789ae555c45
Add Common Lisp's #'complement to cl-extra.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5219
diff
changeset
|
3736 |
|
5242
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3737 (define-compiler-macro concatenate (&whole form type &rest seqs) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3738 (if (and (cl-const-expr-p type) (memq (cl-const-expr-val type) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3739 '(vector bit-vector list string))) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3740 (case (cl-const-expr-val type) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3741 (list (append (list 'append) (cddr form) '(nil))) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3742 (vector (cons 'vconcat (cddr form))) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3743 (bit-vector (cons 'bvconcat (cddr form))) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3744 (string (cons 'concat (cddr form)))) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3745 form)) |
|
f3eca926258e
Bit vectors are also sequences; enforce this in some CL functions.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5226
diff
changeset
|
3746 |
|
5294
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3747 (define-compiler-macro subst-char-in-string (&whole form fromchar tochar |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3748 string &optional inplace) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3749 (if (every #'cl-safe-expr-p (cdr form)) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3750 `(funcall (if ,inplace #'nsubstitute #'substitute) ,tochar ,fromchar |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3751 (the string ,string) :test #'eq) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3752 form)) |
|
bbff29a01820
Add compiler macros and compilation sanity-checks for functions with keywords.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5285
diff
changeset
|
3753 |
|
5329
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3754 (define-compiler-macro stable-union (&whole form &rest cl-keys) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3755 (if (> (length form) 2) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3756 (list* 'union (pop cl-keys) (pop cl-keys) :stable t cl-keys) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3757 form)) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3758 |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3759 (define-compiler-macro stable-intersection (&whole form &rest cl-keys) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3760 (if (> (length form) 2) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3761 (list* 'intersection (pop cl-keys) (pop cl-keys) :stable t cl-keys) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3762 form)) |
|
7b391d07b334
Tweak a few compiler macros for functions in cl-seq.el.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5326
diff
changeset
|
3763 |
|
5266
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3764 (map nil |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3765 #'(lambda (function) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3766 ;; There are byte codes for the two-argument versions of these |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3767 ;; functions; if the form has more arguments and those arguments |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3768 ;; have no side effects, transform to a series of two-argument |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3769 ;; calls. |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3770 (put function 'cl-compiler-macro |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3771 #'(lambda (form &rest arguments) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3772 (if (or (null (nthcdr 3 form)) |
|
5314
596011a8bf8f
= < > <= >=: it's OK to use the compiler macro when first, last args side effect
Aidan Kehoe <kehoea@parhasard.net>
parents:
5313
diff
changeset
|
3773 (notevery #'cl-safe-expr-p (butlast (cdr arguments)))) |
|
5266
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3774 form |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3775 (cons 'and (mapcon |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3776 #'(lambda (rest) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3777 (and (cdr rest) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3778 `((,(car form) ,(pop rest) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3779 ,(car rest))))) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3780 (cdr form))))))) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3781 '(= < > <= >=)) |
|
f9ec07abdbf9
Transform safe calls to (= X Y Z) to (and (= X Y) (= Y Z)); same for < > <= >=
Aidan Kehoe <kehoea@parhasard.net>
parents:
5263
diff
changeset
|
3782 |
|
5313
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3783 ;; XEmacs; unroll this loop at macro-expansion time, so the compiler macros |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3784 ;; are byte-compiled. |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3785 (macrolet |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3786 ((inline-side-effect-free-compiler-macros (&rest details) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3787 (cons |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3788 'progn |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3789 (loop |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3790 for (function . details) in details |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3791 nconc `((put ',function 'side-effect-free t) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3792 (define-compiler-macro ,function (&whole form x) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3793 ,(if (symbolp (car details)) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3794 (reduce #'(lambda (object1 object2) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3795 `(list ',object1 ,object2)) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3796 details :from-end t :initial-value 'x) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3797 (cons 'list details)))))))) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3798 (inline-side-effect-free-compiler-macros |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3799 (first 'car x) (second 'cadr x) (third 'caddr x) (fourth 'cadddr x) |
| 428 | 3800 (fifth 'nth 4 x) (sixth 'nth 5 x) (seventh 'nth 6 x) |
| 3801 (eighth 'nth 7 x) (ninth 'nth 8 x) (tenth 'nth 9 x) | |
|
5285
99de5fd48e87
Tighten up Common Lisp compatibility, #'butlast, #'nbutlast, #'tailp, #'ldiff
Aidan Kehoe <kehoea@parhasard.net>
parents:
5269
diff
changeset
|
3802 (rest 'cdr x) (plusp '> x 0) (minusp '< x 0) |
|
5313
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3803 (oddp 'eql (list 'logand x 1) 1) |
|
5ed261fd2bd9
Unrool a load-time loop at macro expansion time, cl-macs.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5305
diff
changeset
|
3804 (evenp 'eql (list 'logand x 1) 0) |
| 428 | 3805 (caar car car) (cadr car cdr) (cdar cdr car) (cddr cdr cdr) |
| 3806 (caaar car caar) (caadr car cadr) (cadar car cdar) | |
| 3807 (caddr car cddr) (cdaar cdr caar) (cdadr cdr cadr) | |
| 3808 (cddar cdr cdar) (cdddr cdr cddr) (caaaar car caaar) | |
| 3809 (caaadr car caadr) (caadar car cadar) (caaddr car caddr) | |
| 3810 (cadaar car cdaar) (cadadr car cdadr) (caddar car cddar) | |
| 3811 (cadddr car cdddr) (cdaaar cdr caaar) (cdaadr cdr caadr) | |
| 3812 (cdadar cdr cadar) (cdaddr cdr caddr) (cddaar cdr cdaar) | |
| 3813 (cddadr cdr cdadr) (cdddar cdr cddar) (cddddr cdr cdddr))) | |
| 3814 | |
|
5339
ba62563ec7c7
Accept more complex TYPEs in #'concatenate, cl-extra.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5338
diff
changeset
|
3815 ;;; Things that are inline. XEmacs; the functions that used to be here have |
|
ba62563ec7c7
Accept more complex TYPEs in #'concatenate, cl-extra.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5338
diff
changeset
|
3816 ;;; compiler macros or are built-in. |
|
ba62563ec7c7
Accept more complex TYPEs in #'concatenate, cl-extra.el
Aidan Kehoe <kehoea@parhasard.net>
parents:
5338
diff
changeset
|
3817 (proclaim '(inline cl-set-elt)) |
| 428 | 3818 |
| 3819 ;;; Things that are side-effect-free. Moved to byte-optimize.el | |
| 2153 | 3820 ;(mapcar (function (lambda (x) (put x 'side-effect-free t))) |
| 3821 ; '(oddp evenp signum last butlast ldiff pairlis gcd lcm | |
| 3822 ; isqrt floor* ceiling* truncate* round* mod* rem* subseq | |
| 3823 ; list-length get* getf)) | |
| 428 | 3824 |
| 3825 ;;; Things that are side-effect-and-error-free. Moved to byte-optimize.el | |
| 2153 | 3826 ;(mapcar (function (lambda (x) (put x 'side-effect-free 'error-free))) |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4820
diff
changeset
|
3827 ; '(eql list* subst acons equalp random-state-p |
| 2153 | 3828 ; copy-tree sublis)) |
| 428 | 3829 |
| 3830 | |
| 3831 (run-hooks 'cl-macs-load-hook) | |
| 3832 | |
| 2153 | 3833 ;;; arch-tag: afd947a6-b553-4df1-bba5-000be6388f46 |
| 428 | 3834 ;;; cl-macs.el ends here |