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500fcedc | 1 | ;;; byte-run.el --- byte-compiler support for inlining -*- lexical-binding: t -*- |
5e046f6d | 2 | |
ba318903 | 3 | ;; Copyright (C) 1992, 2001-2014 Free Software Foundation, Inc. |
5e046f6d JB |
4 | |
5 | ;; Author: Jamie Zawinski <jwz@lucid.com> | |
6 | ;; Hallvard Furuseth <hbf@ulrik.uio.no> | |
34dc21db | 7 | ;; Maintainer: emacs-devel@gnu.org |
5e046f6d | 8 | ;; Keywords: internal |
bd78fa1d | 9 | ;; Package: emacs |
5e046f6d JB |
10 | |
11 | ;; This file is part of GNU Emacs. | |
12 | ||
d6cba7ae | 13 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
5e046f6d | 14 | ;; it under the terms of the GNU General Public License as published by |
d6cba7ae GM |
15 | ;; the Free Software Foundation, either version 3 of the License, or |
16 | ;; (at your option) any later version. | |
5e046f6d JB |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
d6cba7ae | 24 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
5e046f6d JB |
25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;; interface to selectively inlining functions. | |
29 | ;; This only happens when source-code optimization is turned on. | |
30 | ||
31 | ;;; Code: | |
32 | ||
1b0f10d2 DC |
33 | (defalias 'function-put |
34 | ;; We don't want people to just use `put' because we can't conveniently | |
35 | ;; hook into `put' to remap old properties to new ones. But for now, there's | |
36 | ;; no such remapping, so we just call `put'. | |
37 | #'(lambda (f prop value) (put f prop value)) | |
38 | "Set function F's property PROP to VALUE. | |
39 | The namespace for PROP is shared with symbols. | |
40 | So far, F can only be a symbol, not a lambda expression.") | |
41 | (function-put 'defmacro 'doc-string-elt 3) | |
42 | (function-put 'defmacro 'lisp-indent-function 2) | |
43 | ||
500fcedc SM |
44 | ;; `macro-declaration-function' are both obsolete (as marked at the end of this |
45 | ;; file) but used in many .elc files. | |
623374a5 | 46 | |
61b108cc SM |
47 | (defvar macro-declaration-function #'macro-declaration-function |
48 | "Function to process declarations in a macro definition. | |
49 | The function will be called with two args MACRO and DECL. | |
50 | MACRO is the name of the macro being defined. | |
51 | DECL is a list `(declare ...)' containing the declarations. | |
52 | The value the function returns is not used.") | |
53 | ||
54 | (defalias 'macro-declaration-function | |
55 | #'(lambda (macro decl) | |
56 | "Process a declaration found in a macro definition. | |
623374a5 LK |
57 | This is set as the value of the variable `macro-declaration-function'. |
58 | MACRO is the name of the macro being defined. | |
59 | DECL is a list `(declare ...)' containing the declarations. | |
60 | The return value of this function is not used." | |
61b108cc SM |
61 | ;; We can't use `dolist' or `cadr' yet for bootstrapping reasons. |
62 | (let (d) | |
63 | ;; Ignore the first element of `decl' (it's always `declare'). | |
64 | (while (setq decl (cdr decl)) | |
65 | (setq d (car decl)) | |
66 | (if (and (consp d) | |
67 | (listp (cdr d)) | |
68 | (null (cdr (cdr d)))) | |
69 | (cond ((eq (car d) 'indent) | |
70 | (put macro 'lisp-indent-function (car (cdr d)))) | |
71 | ((eq (car d) 'debug) | |
72 | (put macro 'edebug-form-spec (car (cdr d)))) | |
73 | ((eq (car d) 'doc-string) | |
74 | (put macro 'doc-string-elt (car (cdr d)))) | |
75 | (t | |
76 | (message "Unknown declaration %s" d))) | |
77 | (message "Invalid declaration %s" d)))))) | |
78 | ||
500fcedc SM |
79 | ;; We define macro-declaration-alist here because it is needed to |
80 | ;; handle declarations in macro definitions and this is the first file | |
81 | ;; loaded by loadup.el that uses declarations in macros. | |
82 | ||
5076d275 | 83 | ;; Add any new entries to info node `(elisp)Declare Form'. |
33813370 RT |
84 | (eval-and-compile |
85 | (defvar defun-declarations-alist | |
86 | (list | |
87 | ;; We can only use backquotes inside the lambdas and not for those | |
88 | ;; properties that are used by functions loaded before backquote.el. | |
89 | (list 'advertised-calling-convention | |
90 | #'(lambda (f _args arglist when) | |
91 | (list 'set-advertised-calling-convention | |
92 | (list 'quote f) (list 'quote arglist) (list 'quote when)))) | |
93 | (list 'obsolete | |
94 | #'(lambda (f _args new-name when) | |
95 | (list 'make-obsolete | |
96 | (list 'quote f) (list 'quote new-name) (list 'quote when)))) | |
97 | (list 'interactive-only | |
98 | #'(lambda (f _args instead) | |
99 | (list 'function-put (list 'quote f) | |
100 | ''interactive-only (list 'quote instead)))) | |
101 | ;; FIXME: Merge `pure' and `side-effect-free'. | |
102 | (list 'pure | |
103 | #'(lambda (f _args val) | |
104 | (list 'function-put (list 'quote f) | |
105 | ''pure (list 'quote val))) | |
106 | "If non-nil, the compiler can replace calls with their return value. | |
67c477ae | 107 | This may shift errors from run-time to compile-time.") |
33813370 RT |
108 | (list 'side-effect-free |
109 | #'(lambda (f _args val) | |
110 | (list 'function-put (list 'quote f) | |
111 | ''side-effect-free (list 'quote val))) | |
112 | "If non-nil, calls can be ignored if their value is unused. | |
67c477ae | 113 | If `error-free', drop calls even if `byte-compile-delete-errors' is nil.") |
33813370 RT |
114 | (list 'compiler-macro |
115 | #'(lambda (f args compiler-function) | |
116 | `(eval-and-compile | |
117 | (function-put ',f 'compiler-macro | |
118 | ,(if (eq (car-safe compiler-function) 'lambda) | |
119 | `(lambda ,(append (cadr compiler-function) args) | |
120 | ,@(cddr compiler-function)) | |
121 | `#',compiler-function))))) | |
122 | (list 'doc-string | |
123 | #'(lambda (f _args pos) | |
124 | (list 'function-put (list 'quote f) | |
125 | ''doc-string-elt (list 'quote pos)))) | |
126 | (list 'indent | |
127 | #'(lambda (f _args val) | |
128 | (list 'function-put (list 'quote f) | |
129 | ''lisp-indent-function (list 'quote val))))) | |
130 | "List associating function properties to their macro expansion. | |
500fcedc SM |
131 | Each element of the list takes the form (PROP FUN) where FUN is |
132 | a function. For each (PROP . VALUES) in a function's declaration, | |
d9857e53 SM |
133 | the FUN corresponding to PROP is called with the function name, |
134 | the function's arglist, and the VALUES and should return the code to use | |
5076d275 GM |
135 | to set this property. |
136 | ||
137 | This is used by `declare'.") | |
500fcedc | 138 | |
33813370 RT |
139 | (defvar macro-declarations-alist |
140 | (cons | |
141 | (list 'debug | |
142 | #'(lambda (name _args spec) | |
143 | (list 'progn :autoload-end | |
144 | (list 'put (list 'quote name) | |
145 | ''edebug-form-spec (list 'quote spec))))) | |
146 | defun-declarations-alist) | |
147 | "List associating properties of macros to their macro expansion. | |
d1a6bccc SM |
148 | Each element of the list takes the form (PROP FUN) where FUN is a function. |
149 | For each (PROP . VALUES) in a macro's declaration, the FUN corresponding | |
150 | to PROP is called with the macro name, the macro's arglist, and the VALUES | |
5076d275 GM |
151 | and should return the code to use to set this property. |
152 | ||
33813370 | 153 | This is used by `declare'.")) |
500fcedc | 154 | |
61b108cc SM |
155 | (defalias 'defmacro |
156 | (cons | |
157 | 'macro | |
5cebef2d | 158 | #'(lambda (name arglist &optional docstring &rest body) |
61b108cc SM |
159 | "Define NAME as a macro. |
160 | When the macro is called, as in (NAME ARGS...), | |
161 | the function (lambda ARGLIST BODY...) is applied to | |
162 | the list ARGS... as it appears in the expression, | |
163 | and the result should be a form to be evaluated instead of the original. | |
500fcedc SM |
164 | DECL is a declaration, optional, of the form (declare DECLS...) where |
165 | DECLS is a list of elements of the form (PROP . VALUES). These are | |
1053a871 | 166 | interpreted according to `macro-declarations-alist'. |
5cebef2d AS |
167 | The return value is undefined. |
168 | ||
169 | \(fn NAME ARGLIST &optional DOCSTRING DECL &rest BODY)" | |
170 | ;; We can't just have `decl' as an &optional argument, because we need | |
171 | ;; to distinguish | |
172 | ;; (defmacro foo (arg) (bar) nil) | |
173 | ;; from | |
174 | ;; (defmacro foo (arg) (bar)). | |
175 | (let ((decls (cond | |
176 | ((eq (car-safe docstring) 'declare) | |
177 | (prog1 (cdr docstring) (setq docstring nil))) | |
178 | ((and (stringp docstring) | |
179 | (eq (car-safe (car body)) 'declare)) | |
180 | (prog1 (cdr (car body)) (setq body (cdr body))))))) | |
181 | (if docstring (setq body (cons docstring body)) | |
182 | (if (null body) (setq body '(nil)))) | |
183 | ;; Can't use backquote because it's not defined yet! | |
184 | (let* ((fun (list 'function (cons 'lambda (cons arglist body)))) | |
185 | (def (list 'defalias | |
186 | (list 'quote name) | |
187 | (list 'cons ''macro fun))) | |
188 | (declarations | |
189 | (mapcar | |
190 | #'(lambda (x) | |
191 | (let ((f (cdr (assq (car x) macro-declarations-alist)))) | |
192 | (if f (apply (car f) name arglist (cdr x)) | |
193 | (message "Warning: Unknown macro property %S in %S" | |
194 | (car x) name)))) | |
195 | decls))) | |
4d3b8872 RT |
196 | (list 'eval-when '(:compile-toplevel :load-toplevel :execute) |
197 | (if declarations | |
198 | (cons 'prog1 (cons def declarations)) | |
199 | def))))))) | |
61b108cc SM |
200 | |
201 | ;; Now that we defined defmacro we can use it! | |
202 | (defmacro defun (name arglist &optional docstring &rest body) | |
203 | "Define NAME as a function. | |
204 | The definition is (lambda ARGLIST [DOCSTRING] BODY...). | |
500fcedc SM |
205 | See also the function `interactive'. |
206 | DECL is a declaration, optional, of the form (declare DECLS...) where | |
207 | DECLS is a list of elements of the form (PROP . VALUES). These are | |
208 | interpreted according to `defun-declarations-alist'. | |
1053a871 | 209 | The return value is undefined. |
500fcedc SM |
210 | |
211 | \(fn NAME ARGLIST &optional DOCSTRING DECL &rest BODY)" | |
212 | ;; We can't just have `decl' as an &optional argument, because we need | |
213 | ;; to distinguish | |
214 | ;; (defun foo (arg) (toto) nil) | |
215 | ;; from | |
216 | ;; (defun foo (arg) (toto)). | |
c93f3f5c | 217 | (declare (doc-string 3) (indent 2)) |
500fcedc SM |
218 | (let ((decls (cond |
219 | ((eq (car-safe docstring) 'declare) | |
220 | (prog1 (cdr docstring) (setq docstring nil))) | |
5cebef2d AS |
221 | ((and (stringp docstring) |
222 | (eq (car-safe (car body)) 'declare)) | |
500fcedc SM |
223 | (prog1 (cdr (car body)) (setq body (cdr body))))))) |
224 | (if docstring (setq body (cons docstring body)) | |
225 | (if (null body) (setq body '(nil)))) | |
226 | (let ((declarations | |
227 | (mapcar | |
228 | #'(lambda (x) | |
229 | (let ((f (cdr (assq (car x) defun-declarations-alist)))) | |
230 | (cond | |
d9857e53 | 231 | (f (apply (car f) name arglist (cdr x))) |
500fcedc SM |
232 | ;; Yuck!! |
233 | ((and (featurep 'cl) | |
234 | (memq (car x) ;C.f. cl-do-proclaim. | |
235 | '(special inline notinline optimize warn))) | |
b139508b | 236 | (setq body (cons (list 'declare x) body)) |
500fcedc | 237 | nil) |
daac280a | 238 | (t (message "Warning: Unknown defun property `%S' in %S" |
500fcedc SM |
239 | (car x) name))))) |
240 | decls)) | |
241 | (def (list 'defalias | |
242 | (list 'quote name) | |
243 | (list 'function | |
244 | (cons 'lambda | |
245 | (cons arglist body)))))) | |
c7f6a5e8 RT |
246 | (list 'prog1 |
247 | (if declarations | |
248 | (cons 'prog1 (cons def declarations)) | |
249 | def) | |
250 | (list 'funcall | |
251 | (list '@ '(guile) 'set-procedure-property!) | |
252 | (list 'symbol-function (list 'quote name)) | |
253 | (list 'quote 'name) | |
254 | (list 'quote name)))))) | |
623374a5 | 255 | \f |
5e046f6d JB |
256 | ;; Redefined in byte-optimize.el. |
257 | ;; This is not documented--it's not clear that we should promote it. | |
5e4126bc RT |
258 | |
259 | (defmacro inline (&rest body) | |
260 | (cons 'progn body)) | |
5e046f6d | 261 | |
5e046f6d JB |
262 | ;;; Interface to inline functions. |
263 | ||
264 | ;; (defmacro proclaim-inline (&rest fns) | |
265 | ;; "Cause the named functions to be open-coded when called from compiled code. | |
266 | ;; They will only be compiled open-coded when byte-compile-optimize is true." | |
267 | ;; (cons 'eval-and-compile | |
4f91a816 | 268 | ;; (mapcar (lambda (x) |
5e046f6d JB |
269 | ;; (or (memq (get x 'byte-optimizer) |
270 | ;; '(nil byte-compile-inline-expand)) | |
271 | ;; (error | |
272 | ;; "%s already has a byte-optimizer, can't make it inline" | |
273 | ;; x)) | |
274 | ;; (list 'put (list 'quote x) | |
275 | ;; ''byte-optimizer ''byte-compile-inline-expand)) | |
276 | ;; fns))) | |
277 | ||
278 | ;; (defmacro proclaim-notinline (&rest fns) | |
279 | ;; "Cause the named functions to no longer be open-coded." | |
280 | ;; (cons 'eval-and-compile | |
4f91a816 | 281 | ;; (mapcar (lambda (x) |
5e046f6d JB |
282 | ;; (if (eq (get x 'byte-optimizer) 'byte-compile-inline-expand) |
283 | ;; (put x 'byte-optimizer nil)) | |
284 | ;; (list 'if (list 'eq (list 'get (list 'quote x) ''byte-optimizer) | |
285 | ;; ''byte-compile-inline-expand) | |
286 | ;; (list 'put x ''byte-optimizer nil))) | |
287 | ;; fns))) | |
288 | ||
ced10a4c SM |
289 | (defvar advertised-signature-table (make-hash-table :test 'eq :weakness 'key)) |
290 | ||
500fcedc | 291 | (defun set-advertised-calling-convention (function signature _when) |
ced10a4c SM |
292 | "Set the advertised SIGNATURE of FUNCTION. |
293 | This will allow the byte-compiler to warn the programmer when she uses | |
f3a30a50 SM |
294 | an obsolete calling convention. WHEN specifies since when the calling |
295 | convention was modified." | |
ced10a4c SM |
296 | (puthash (indirect-function function) signature |
297 | advertised-signature-table)) | |
298 | ||
fbb70c53 | 299 | (defun make-obsolete (obsolete-name current-name &optional when) |
59f7af81 CY |
300 | "Make the byte-compiler warn that function OBSOLETE-NAME is obsolete. |
301 | OBSOLETE-NAME should be a function name or macro name (a symbol). | |
302 | ||
fbb70c53 | 303 | The warning will say that CURRENT-NAME should be used instead. |
584dcd8f GM |
304 | If CURRENT-NAME is a string, that is the `use instead' message |
305 | \(it should end with a period, and not start with a capital). | |
2462470b | 306 | WHEN should be a string indicating when the function |
5e046f6d | 307 | was first made obsolete, for example a date or a release number." |
500fcedc SM |
308 | (declare (advertised-calling-convention |
309 | ;; New code should always provide the `when' argument. | |
310 | (obsolete-name current-name when) "23.1")) | |
a9de04fa SM |
311 | (put obsolete-name 'byte-obsolete-info |
312 | ;; The second entry used to hold the `byte-compile' handler, but | |
313 | ;; is not used any more nowadays. | |
2462470b | 314 | (purecopy (list current-name nil when))) |
fbb70c53 | 315 | obsolete-name) |
5e046f6d | 316 | |
fbb70c53 | 317 | (defmacro define-obsolete-function-alias (obsolete-name current-name |
0448b476 | 318 | &optional when docstring) |
fbb70c53 | 319 | "Set OBSOLETE-NAME's function definition to CURRENT-NAME and mark it obsolete. |
342ef03d LT |
320 | |
321 | \(define-obsolete-function-alias 'old-fun 'new-fun \"22.1\" \"old-fun's doc.\") | |
322 | ||
323 | is equivalent to the following two lines of code: | |
324 | ||
325 | \(defalias 'old-fun 'new-fun \"old-fun's doc.\") | |
326 | \(make-obsolete 'old-fun 'new-fun \"22.1\") | |
327 | ||
328 | See the docstrings of `defalias' and `make-obsolete' for more details." | |
500fcedc SM |
329 | (declare (doc-string 4) |
330 | (advertised-calling-convention | |
331 | ;; New code should always provide the `when' argument. | |
332 | (obsolete-name current-name when &optional docstring) "23.1")) | |
0448b476 | 333 | `(progn |
fbb70c53 JB |
334 | (defalias ,obsolete-name ,current-name ,docstring) |
335 | (make-obsolete ,obsolete-name ,current-name ,when))) | |
0448b476 | 336 | |
2403c841 | 337 | (defun make-obsolete-variable (obsolete-name current-name &optional when access-type) |
fbb70c53 JB |
338 | "Make the byte-compiler warn that OBSOLETE-NAME is obsolete. |
339 | The warning will say that CURRENT-NAME should be used instead. | |
340 | If CURRENT-NAME is a string, that is the `use instead' message. | |
2403c841 SM |
341 | WHEN should be a string indicating when the variable |
342 | was first made obsolete, for example a date or a release number. | |
343 | ACCESS-TYPE if non-nil should specify the kind of access that will trigger | |
344 | obsolescence warnings; it can be either `get' or `set'." | |
500fcedc SM |
345 | (declare (advertised-calling-convention |
346 | ;; New code should always provide the `when' argument. | |
347 | (obsolete-name current-name when &optional access-type) "23.1")) | |
905a9ed3 | 348 | (put obsolete-name 'byte-obsolete-variable |
2403c841 | 349 | (purecopy (list current-name access-type when))) |
fbb70c53 | 350 | obsolete-name) |
500fcedc | 351 | |
5e046f6d | 352 | |
fbb70c53 | 353 | (defmacro define-obsolete-variable-alias (obsolete-name current-name |
f7f8f37a | 354 | &optional when docstring) |
fbb70c53 | 355 | "Make OBSOLETE-NAME a variable alias for CURRENT-NAME and mark it obsolete. |
850bfd04 GM |
356 | This uses `defvaralias' and `make-obsolete-variable' (which see). |
357 | See the Info node `(elisp)Variable Aliases' for more details. | |
342ef03d | 358 | |
f8754ca2 | 359 | If CURRENT-NAME is a defcustom (more generally, any variable |
865fe16f | 360 | where OBSOLETE-NAME may be set, e.g. in an init file, before the |
f8754ca2 | 361 | alias is defined), then the define-obsolete-variable-alias |
850bfd04 GM |
362 | statement should be evaluated before the defcustom, if user |
363 | customizations are to be respected. The simplest way to achieve | |
364 | this is to place the alias statement before the defcustom (this | |
365 | is not necessary for aliases that are autoloaded, or in files | |
366 | dumped with Emacs). This is so that any user customizations are | |
367 | applied before the defcustom tries to initialize the | |
368 | variable (this is due to the way `defvaralias' works). | |
369 | ||
370 | For the benefit of `custom-set-variables', if OBSOLETE-NAME has | |
371 | any of the following properties, they are copied to | |
372 | CURRENT-NAME, if it does not already have them: | |
373 | 'saved-value, 'saved-variable-comment." | |
500fcedc SM |
374 | (declare (doc-string 4) |
375 | (advertised-calling-convention | |
376 | ;; New code should always provide the `when' argument. | |
377 | (obsolete-name current-name when &optional docstring) "23.1")) | |
f7f8f37a | 378 | `(progn |
fbb70c53 | 379 | (defvaralias ,obsolete-name ,current-name ,docstring) |
850bfd04 | 380 | ;; See Bug#4706. |
6e39d3b2 SM |
381 | (dolist (prop '(saved-value saved-variable-comment)) |
382 | (and (get ,obsolete-name prop) | |
383 | (null (get ,current-name prop)) | |
384 | (put ,current-name prop (get ,obsolete-name prop)))) | |
79e74246 | 385 | (make-obsolete-variable ,obsolete-name ,current-name ,when))) |
f7f8f37a | 386 | |
95ed0f11 GM |
387 | ;; FIXME This is only defined in this file because the variable- and |
388 | ;; function- versions are too. Unlike those two, this one is not used | |
389 | ;; by the byte-compiler (would be nice if it could warn about obsolete | |
390 | ;; faces, but it doesn't really do anything special with faces). | |
391 | ;; It only really affects M-x describe-face output. | |
ced10a4c | 392 | (defmacro define-obsolete-face-alias (obsolete-face current-face when) |
95ed0f11 | 393 | "Make OBSOLETE-FACE a face alias for CURRENT-FACE and mark it obsolete. |
73fe714a GM |
394 | The string WHEN gives the Emacs version where OBSOLETE-FACE became |
395 | obsolete." | |
95ed0f11 GM |
396 | `(progn |
397 | (put ,obsolete-face 'face-alias ,current-face) | |
398 | ;; Used by M-x describe-face. | |
1e8780b1 | 399 | (put ,obsolete-face 'obsolete-face (or (purecopy ,when) t)))) |
95ed0f11 | 400 | |
5e046f6d JB |
401 | (defmacro dont-compile (&rest body) |
402 | "Like `progn', but the body always runs interpreted (not compiled). | |
403 | If you think you need this, you're probably making a mistake somewhere." | |
17f32327 | 404 | (declare (debug t) (indent 0) (obsolete nil "24.4")) |
5e046f6d JB |
405 | (list 'eval (list 'quote (if (cdr body) (cons 'progn body) (car body))))) |
406 | ||
407 | \f | |
79e74246 SM |
408 | ;; interface to evaluating things at compile time and/or load time |
409 | ;; these macro must come after any uses of them in this file, as their | |
410 | ;; definition in the file overrides the magic definitions on the | |
411 | ;; byte-compile-macro-environment. | |
5e046f6d | 412 | |
5e046f6d | 413 | (defmacro eval-when-compile (&rest body) |
8cd567b8 | 414 | "Like `progn', but evaluates the body at compile time if you're compiling. |
12b1389c DC |
415 | Thus, the result of the body appears to the compiler as a quoted |
416 | constant. In interpreted code, this is entirely equivalent to | |
417 | `progn', except that the value of the expression may be (but is | |
418 | not necessarily) computed at load time if eager macro expansion | |
419 | is enabled." | |
38b2c142 | 420 | (declare (debug (&rest def-form)) (indent 0)) |
7f526211 | 421 | (list 'quote (eval (cons 'progn body) lexical-binding))) |
5e046f6d | 422 | |
5e046f6d | 423 | (defmacro eval-and-compile (&rest body) |
12b1389c DC |
424 | "Like `progn', but evaluates the body at compile time and at |
425 | load time. In interpreted code, this is entirely equivalent to | |
426 | `progn', except that the value of the expression may be (but is | |
427 | not necessarily) computed at load time if eager macro expansion | |
428 | is enabled." | |
623374a5 | 429 | (declare (debug t) (indent 0)) |
7f526211 SM |
430 | ;; When the byte-compiler expands code, this macro is not used, so we're |
431 | ;; either about to run `body' (plain interpretation) or we're doing eager | |
432 | ;; macroexpansion. | |
433 | (list 'quote (eval (cons 'progn body) lexical-binding))) | |
5e046f6d | 434 | |
ae122ad2 | 435 | (defun with-no-warnings (&rest body) |
5e046f6d | 436 | "Like `progn', but prevents compiler warnings in the body." |
17f32327 | 437 | (declare (indent 0)) |
5e046f6d | 438 | ;; The implementation for the interpreter is basically trivial. |
ae122ad2 | 439 | (car (last body))) |
5e046f6d JB |
440 | |
441 | \f | |
79e74246 SM |
442 | ;; I nuked this because it's not a good idea for users to think of using it. |
443 | ;; These options are a matter of installation preference, and have nothing to | |
444 | ;; with particular source files; it's a mistake to suggest to users | |
445 | ;; they should associate these with particular source files. | |
446 | ;; There is hardly any reason to change these parameters, anyway. | |
447 | ;; --rms. | |
5e046f6d | 448 | |
3fdfb09c | 449 | ;; (put 'byte-compiler-options 'lisp-indent-function 0) |
5e046f6d JB |
450 | ;; (defmacro byte-compiler-options (&rest args) |
451 | ;; "Set some compilation-parameters for this file. This will affect only the | |
452 | ;; file in which it appears; this does nothing when evaluated, and when loaded | |
453 | ;; from a .el file. | |
454 | ;; | |
455 | ;; Each argument to this macro must be a list of a key and a value. | |
456 | ;; | |
457 | ;; Keys: Values: Corresponding variable: | |
458 | ;; | |
459 | ;; verbose t, nil byte-compile-verbose | |
460 | ;; optimize t, nil, source, byte byte-compile-optimize | |
461 | ;; warnings list of warnings byte-compile-warnings | |
9b9a4122 | 462 | ;; Valid elements: (callargs redefine free-vars unresolved) |
5e046f6d JB |
463 | ;; file-format emacs18, emacs19 byte-compile-compatibility |
464 | ;; | |
465 | ;; For example, this might appear at the top of a source file: | |
466 | ;; | |
467 | ;; (byte-compiler-options | |
468 | ;; (optimize t) | |
469 | ;; (warnings (- free-vars)) ; Don't warn about free variables | |
470 | ;; (file-format emacs19))" | |
471 | ;; nil) | |
472 | ||
500fcedc | 473 | (make-obsolete-variable 'macro-declaration-function |
2a1e2476 | 474 | 'macro-declarations-alist "24.3") |
500fcedc | 475 | (make-obsolete 'macro-declaration-function |
2a1e2476 | 476 | 'macro-declarations-alist "24.3") |
500fcedc | 477 | |
5e046f6d | 478 | ;;; byte-run.el ends here |