* doc/lispref/variables.texi (Scope): Mention the availability of lexbind.
[emacs.git] / lisp / ChangeLog
blob10f57c2b96a9bb38114c995d40238b1460ad2052
1 2011-03-01  Stefan Monnier  <monnier@iro.umontreal.ca>
3         * emacs-lisp/cconv.el (cconv-liftwhen): Increase threshold.
4         (cconv-closure-convert-rec): Convert interactive spec in empty lexenv.
5         (cconv-analyse-use): Improve unused vars warnings.
6         (cconv-analyse-form): Analyze interactive spec in empty lexenv.
7         * emacs-lisp/bytecomp.el (byte-compile-lambda): Always byte-compile
8         the interactive spec in lexical-binding mode.
9         (byte-compile-refresh-preloaded): Don't reload byte-compiler files.
10         * custom.el (custom-initialize-default): Use defvar.
11         (custom-declare-variable): Set the special-variable-p flag.
12         * help-fns.el (help-make-usage): Drop leading underscores.
13         * dired.el (dired-revert, dired-make-relative): Mark unused args.
14         (dired-unmark-all-files): Remove unused var `query'.
15         (dired-overwrite-confirmed): Declare.
16         (dired-restore-desktop-buffer): Don't use dynamically scoped arg names.
17         * mpc.el: Mark unused args.
18         (mpc--faster-toggle): Remove unused var `songnb'.
19         * server.el (server-kill-buffer-running): Move before first use.
20         * minibuffer.el: Mark unused args.
22 2011-02-26  Stefan Monnier  <monnier@iro.umontreal.ca>
24         * emacs-lisp/cconv.el (cconv-closure-convert-rec): Fix last change for
25         λ-lift candidates that end up not λ-lifted.
27         * emacs-lisp/cconv.el: Compute freevars in cconv-analyse.
28         (cconv-mutated, cconv-captured): Remove.
29         (cconv-captured+mutated, cconv-lambda-candidates): Don't give them
30         a global value.
31         (cconv-freevars-alist): New var.
32         (cconv-freevars): Remove.
33         (cconv--lookup-let): Remove.
34         (cconv-closure-convert-function): Extract from cconv-closure-convert-rec.
35         (cconv-closure-convert-rec): Adjust to above changes.
36         (fboundp): New function.
37         (cconv-analyse-function, form): Rewrite.
38         * emacs-lisp/bytecomp.el (byte-compile-initial-macro-environment):
39         Handle declare-function here.
40         (byte-compile-obsolete): Remove.
41         (byte-compile-arglist-warn): Check late defsubst here.
42         (byte-compile-file-form): Simplify.
43         (byte-compile-file-form-defsubst): Remove.
44         (byte-compile-macroexpand-declare-function): Rename from
45         byte-compile-declare-function, turn it into a macro-expander.
46         (byte-compile-normal-call): Check obsolescence.
47         (byte-compile-quote-form): Remove.
48         (byte-compile-defmacro): Revert to trunk's definition which seems to
49         work just as well and handles `declare'.
50         * emacs-lisp/byte-run.el (make-obsolete): Don't modify byte-compile.
51         * Makefile.in (BIG_STACK_DEPTH): Increase to 1200.
52         (compile-onefile): Pass $(BIG_STACK_OPTS) before "-l bytecomp".
53         * emacs-lisp/macroexp.el: Use lexbind.
54         (macroexpand-all-1): Check macro obsolescence.
55         * vc/diff-mode.el: Use lexbind.
56         * follow.el (follow-calc-win-end): Simplify.
58 2011-02-25  Stefan Monnier  <monnier@iro.umontreal.ca>
60         * emacs-lisp/bytecomp.el (byte-compile-lapcode): Handle new form of
61         `byte-constant'.
62         (byte-compile-close-variables, displaying-byte-compile-warnings):
63         Add edebug spec.
64         (byte-compile-toplevel-file-form): New fun, split out of
65         byte-compile-file-form.
66         (byte-compile-from-buffer): Use it to avoid applying cconv
67         multiple times.
68         (byte-compile): Only strip `function' if it's present.
69         (byte-compile-lambda): Add `reserved-csts' argument.
70         Use new lexenv arg of byte-compile-top-level.
71         (byte-compile-reserved-constants): New var.
72         (byte-compile-constants-vector): Obey it.
73         (byte-compile-constants-vector): Handle new `byte-constant' form.
74         (byte-compile-top-level): Add args `lexenv' and `reserved-csts'.
75         (byte-compile-form): Don't check callargs here.
76         (byte-compile-normal-call): Do it here instead.
77         (byte-compile-push-unknown-constant)
78         (byte-compile-resolve-unknown-constant): Remove, unused.
79         (byte-compile-make-closure): Use `make-byte-code' rather than `curry',
80         putting the environment into the "constant" pool.
81         (byte-compile-get-closed-var): Use special byte-constant.
82         * emacs-lisp/byte-opt.el (byte-optimize-form-code-walker): Handle new
83         intermediate special form `internal-make-vector'.
84         (byte-optimize-lapcode): Handle new form of `byte-constant'.
85         * help-fns.el (describe-function-1): Don't handle funvecs.
86         * emacs-lisp/macroexp.el (macroexpand-all-1): Only convert quote to
87         function if the content is a lambda expression, not if it's a closure.
88         * emacs-lisp/eieio-come.el: Remove.
89         * emacs-lisp/eieio.el: Don't require eieio-comp.
90         (defmethod): Do a bit more work to find the body and wrap it into
91         a function before passing it to eieio-defmethod.
92         (eieio-defmethod): New arg `code' for it.
93         * emacs-lisp/debug.el (debugger-setup-buffer): Don't hide things in
94         debugger backtrace.
95         * emacs-lisp/cl-extra.el (cl-macroexpand-all): Use backquotes, and be
96         more careful when quoting a function value.
97         * emacs-lisp/cconv.el (cconv-freevars): Accept defvar/defconst.
98         (cconv-closure-convert-rec): Catch stray `internal-make-closure'.
99         * Makefile.in (COMPILE_FIRST): Compile pcase and cconv early.
101 2011-02-21  Stefan Monnier  <monnier@iro.umontreal.ca>
103         * emacs-lisp/cconv.el (cconv-closure-convert-rec): Let the byte
104         compiler choose the representation of closures.
105         (cconv--env-var): Remove.
106         * emacs-lisp/bytecomp.el (byte-compile--env-var): New var.
107         (byte-compile-make-closure, byte-compile-get-closed-var):
108         New functions.
110 2011-02-21  Stefan Monnier  <monnier@iro.umontreal.ca>
112         * subr.el (with-output-to-temp-buffer): New macro.
114         * simple.el (count-words-region): Don't use interactive-p.
116         * minibuffer.el: Use lexical-binding.  Replace all uses of lexical-let.
118         * emacs-lisp/eieio.el (eieio-defgeneric-form-primary-only-one):
119         Call byte-compile rather than byte-compile-lambda.
121         * emacs-lisp/eieio-comp.el (eieio-byte-compile-file-form-defmethod):
122         Rename from byte-compile-file-form-defmethod.
123         Don't byte-compile-lambda.
124         (eieio-byte-compile-defmethod-param-convert): Rename from
125         byte-compile-defmethod-param-convert.
127         * emacs-lisp/cl-extra.el (cl-macroexpand-all): Don't assume that the
128         value of (function (lambda ...)) is self-quoting.
130         * emacs-lisp/cconv.el: Use lexical-binding.
131         (cconv--lookup-let): Rename from cconv-lookup-let.
132         (cconv-closure-convert-rec): Fix handling of captured+mutated
133         arguments in defun/defmacro.
135         * emacs-lisp/bytecomp.el (byte-compile-lapcode):
136         Turn stack-ref-0 into dup.
137         (byte-compile-form): Don't indirect-function since it can signal
138         errors.
139         (byte-compile-stack-ref, byte-compile-stack-set): Adjust to stack-refs
140         being relative to top rather than to bottom in the byte-code.
141         (with-output-to-temp-buffer): Remove.
142         (byte-compile-with-output-to-temp-buffer): Remove.
144         * emacs-lisp/byte-opt.el (byte-compile-side-effect-and-error-free-ops):
145         Remove interactive-p.
146         (byte-optimize-lapcode): Update optimizations now that stack-refs are
147         relative to the top rather than to the bottom.
149 2011-02-19  Stefan Monnier  <monnier@iro.umontreal.ca>
151         * subr.el (save-window-excursion): New macro, moved from C.
152         * emacs-lisp/lisp-mode.el (save-window-excursion): Don't touch.
153         * emacs-lisp/cconv.el (cconv-closure-convert-rec, cconv-analyse-form):
154         Don't handle save-window-excursion any more.
155         * emacs-lisp/bytecomp.el (interactive-p, save-window-excursion):
156         Don't use the byte-code any more.
157         (byte-compile-form): Check macro expansion was done.
158         (byte-compile-save-window-excursion): Remove.
159         * emacs-lisp/byte-opt.el (byte-optimize-form-code-walker):
160         Ignore save-window-excursion.  Don't macroepand any more.
162 2011-02-18  Stefan Monnier  <monnier@iro.umontreal.ca>
164         * emacs-lisp/pcase.el (pcase--expand, pcase--u, pcase--u1, pcase--q1):
165         Avoid destructuring-bind which results in poorer code.
167 2011-02-17  Stefan Monnier  <monnier@iro.umontreal.ca>
169         * files.el (lexical-binding): Add a safe-local-variable property.
171         * emacs-lisp/cl-macs.el (cl-byte-compile-block): Disable optimization
172         in lexbind, because it needs a different implementation.
174         * emacs-lisp/cconv.el (cconv--set-diff, cconv--set-diff-map)
175         (cconv--map-diff, cconv--map-diff-elem, cconv--map-diff-set): New funs.
176         (cconv--env-var): New constant.
177         (cconv-closure-convert-rec): Use it and use them.  Fix a typo that
178         ended up forgetting to remove entries from lmenvs in `let'.
179         For `lambda' use the outer `fvrs' when building the closure and don't
180         forget to remove `vars' from the `emvrs' and `lmenvs' of the body.
182         * emacs-lisp/bytecomp.el (byte-compile-arglist-warn):
183         Correctly extract arglist from `closure's.
184         (byte-compile-cl-warn): Compiler-macros are run earlier now.
185         (byte-compile-top-level): Bind byte-compile-lexical-environment to nil,
186         except for lambdas.
187         (byte-compile-form): Don't run the compiler-macro expander here.
188         (byte-compile-let): Merge with byte-compile-let*.
189         Don't preserve-body-value if the body's value was discarded.
191         * emacs-lisp/byte-opt.el (byte-inline-lapcode): Check how many elements
192         are added to the stack.
193         (byte-compile-splice-in-already-compiled-code): Don't touch lexical nor
194         byte-compile-depth now that byte-inline-lapcode does it for us.
195         (byte-compile-inline-expand): Don't inline dynbind byte code into
196         lexbind code, since it has to be done differently.
198 2011-02-12  Stefan Monnier  <monnier@iro.umontreal.ca>
200         * emacs-lisp/byte-lexbind.el: Delete.
202         * emacs-lisp/bytecomp.el (byte-compile-current-heap-environment)
203         (byte-compile-current-num-closures): Remove vars.
204         (byte-vec-ref, byte-vec-set): Remove byte codes.
205         (byte-compile-arglist-vars, byte-compile-make-lambda-lexenv): Move from
206         byte-lexbind.el.
207         (byte-compile-lambda): Never build a closure.
208         (byte-compile-closure-code-p, byte-compile-make-closure): Remove.
209         (byte-compile-closure): Simplify.
210         (byte-compile-top-level): Don't mess with heap environments.
211         (byte-compile-dynamic-variable-bind): Always maintain
212         byte-compile-bound-variables.
213         (byte-compile-variable-ref, byte-compile-variable-set): Always just use
214         the stack for lexical vars.
215         (byte-compile-push-binding-init): Simplify.
216         (byte-compile-not-lexical-var-p): New function, moved from cconv.el.
217         (byte-compile-bind, byte-compile-unbind): New functions, moved and
218         simplified from byte-lexbind.el.
219         (byte-compile-let, byte-compile-let*): Simplify.
220         (byte-compile-condition-case): Don't add :fun-body to the bound vars.
221         (byte-compile-defmacro): Simplify.
223         * emacs-lisp/cconv.el (cconv-not-lexical-var-p): Remove.
224         (cconv-freevars, cconv-analyse-function, cconv-analyse-form):
225         Use byte-compile-not-lexical-var-p instead.
227         * help-fns.el (describe-function-1): Fix paren typo.
229         * emacs-lisp/byte-opt.el (byte-compile-side-effect-free-ops)
230         (byte-optimize-lapcode): Remove byte-vec-ref and byte-vec-set.
232 2011-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>
234         * emacs-lisp/cconv.el (cconv-closure-convert): Drop `toplevel' arg.
235         (cconv-closure-convert-toplevel): Remove.
236         (cconv-lookup-let): New fun.
237         (cconv-closure-convert-rec): Don't bother with defs-are-legal.
238         Use :fun-body to handle special forms that require closing their forms.
240         * emacs-lisp/bytecomp.el (byte-compile-file-form, byte-compile):
241         Use cconv-closure-convert instead of cconv-closure-convert-toplevel.
242         (byte-compile-lambda, byte-compile-make-closure):
243         * emacs-lisp/byte-lexbind.el (byte-compile-maybe-push-heap-environment):
244         Make sure cconv did its job.
246         * emacs-lisp/byte-opt.el (byte-optimize-lapcode): Check stack-depth
247         before using it.
249         * dired.el (dired-desktop-buffer-misc-data): Don't use a dynamic var as
250         function argument.
252 2011-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>
254         * emacs-lisp/bytecomp.el (byte-compile-lambda): Fix `fun' that was not
255         renamed to `bytecomp-fun'.
257         * emacs-lisp/byte-lexbind.el (byte-compile-lforminfo-analyze):
258         Understand the :fun-body case for catch, save-window-excursion, and
259         condition-case.
260         (byte-compile-maybe-push-heap-environment): No need when nclosures is
261         zero and byte-compile-current-num-closures is -1.
263         * emacs-lisp/cconv.el (cconv-not-lexical-var-p): New function.
264         (cconv-freevars): Use it.
265         (cconv-closure-convert-rec): Avoid `position'.
266         (cconv-analyse-function): New function.
267         (cconv-analyse-form): Use it.  `inclosure' can't be nil any more.
268         Check lexical vars at let-binding time rather than when referenced.
269         For defuns to be in an empty environment and lambdas to take lexical args.
270         Pay attention to the need to build closures in catch, unwind-protect,
271         save-window-excursion, condition-case, and track-mouse.
272         Fix defconst/defvar handling.
274 2011-02-10  Stefan Monnier  <monnier@iro.umontreal.ca>
276         * emacs-lisp/cconv.el (cconv-mutated, cconv-captured)
277         (cconv-captured+mutated, cconv-lambda-candidates): Fix up declaration.
278         (cconv-freevars): Minor cleanup.  Fix handling of the error var in
279         condition-case.
281         * emacs-lisp/bytecomp.el (byte-compile-catch)
282         (byte-compile-unwind-protect, byte-compile-track-mouse)
283         (byte-compile-condition-case, byte-compile-save-window-excursion):
284         Provide a :fun-body alternative, so that info can be propagated from the
285         surrounding context, as is the case for lexical scoping.
287 2011-02-10  Igor Kuzmin  <kuzminig@iro.umontreal.ca>
289         * emacs-lisp/cconv.el: New file.
290         * emacs-lisp/bytecomp.el: Use cconv.
291         (byte-compile-file-form, byte-compile):
292         Call cconv-closure-convert-toplevel when requested.
293         * server.el:
294         * mpc.el:
295         * emacs-lisp/pcase.el:
296         * doc-view.el:
297         * dired.el: Use lexical-binding.
299 2010-12-27  Stefan Monnier  <monnier@iro.umontreal.ca>
301         * emacs-lisp/bytecomp.el (byte-compile-track-mouse): Don't use #'.
303 2010-12-15  Stefan Monnier  <monnier@iro.umontreal.ca>
305         * emacs-lisp/edebug.el (edebug-eval-defun, edebug-eval):
306         * emacs-lisp/lisp-mode.el (eval-last-sexp-1, eval-defun-1):
307         * ielm.el (ielm-eval-input):
308         * simple.el (eval-expression): Use new eval arg to obey lexical-binding.
310 2010-12-14  Stefan Monnier  <monnier@iro.umontreal.ca>
312         * emacs-lisp/bytecomp.el (byte-compile-condition-case): Use push.
314 2010-12-13  Stefan Monnier  <monnier@iro.umontreal.ca>
316         * subr.el (with-lexical-binding): Remove.
318 2010-06-18  Stefan Monnier  <monnier@iro.umontreal.ca>
320         * emacs-lisp/byte-lexbind.el (byte-compile-compute-lforminfo):
321         specialp -> special-variable-p.
323 2010-06-15  Stefan Monnier  <monnier@iro.umontreal.ca>
325         * emacs-lisp/bytecomp.el (byte-compile-initial-macro-environment):
326         Don't macroexpand before evaluating in eval-and-compile, in case
327         `body's macro expansion uses macros and functions defined in itself.
329 2010-06-14  Stefan Monnier  <monnier@iro.umontreal.ca>
331         * emacs-lisp/bytecomp.el (byte-compile-check-variable):
332         Update byte-compile-not-obsolete-var to byte-compile-not-obsolete-vars.
334         * Makefile.in (.el.elc): Increase max-lisp-eval-depth.
336 2006-12-04  Miles Bader  <miles@gnu.org>
338         * Makefile.in (COMPILE_FIRST_STACK_DEPTH): New variable.
339         (compile, compile-always): Use it.
341 2005-10-24  Miles Bader  <miles@gnu.org>
343         * subr.el (functionp): Re-remove.
345         * emacs-lisp/bytecomp.el (byte-compile-closure): Add optional
346         ADD-LAMBDA argument, which we just pass to `byte-compile-lambda'.
347         (byte-compile-defun): Use ADD-LAMBDA arg to `byte-compile-closure'
348         instead of adding lambda ourselves.
350 2004-08-09  Miles Bader  <miles@gnu.org>
352         Changes from merging the funvec patch:
354         * emacs-lisp/bytecomp.el (byte-compile-make-closure): Use `curry'
355         instead of `vector' to create compiled closures.
357         Merge funvec patch.
359 2004-05-20  Miles Bader  <miles@gnu.org>
361         * subr.el (functionp): Use `funvecp' instead of
362         `byte-compiled-function-p'.
363         * help-fns.el (describe-function-1): Describe curried functions
364         and other funvecs as such.
365         (help-highlight-arguments): Only format things that look like a
366         function.
368 2004-04-29  Miles Bader  <miles@gnu.org>
370         * emacs-lisp/bytecomp.el (byte-compile-top-level): Add new entries
371         to `byte-compile-lexical-environment' at the start, not end.
372         (byte-compile-delay-out): Correctly default STACK-ADJUST to zero.
374         * emacs-lisp/byte-opt.el (byte-opt-update-stack-params):
375         Don't crash on no-op lapcode entries (car is nil).
377         * emacs-lisp/byte-lexbind.el (byte-compile-make-lambda-lexenv):
378         Push a lexvar onto lexenv, not a vinfo!
380 2004-04-11  Miles Bader  <miles@gnu.org>
382         * emacs-lisp/bytecomp.el (byte-compile-top-level):
383         Correctly analyze lexically-bound arguments.
385         * emacs-lisp/byte-lexbind.el (byte-compile-lforminfo-analyze):
386         Use `append' instead of `nconc'.
388         * emacs-lisp/byte-lexbind.el (byte-compile-make-lvarinfo):
389         Don't use backquote to make a mutable data-structure.
390         (byte-compile-lvarinfo-num-refs, byte-compile-lvarinfo-num-sets):
391         Rename to use `num-' instead of `num'.
392         (byte-compile-make-lambda-lexenv): Adjust accordingly.
394 2004-04-10  Miles Bader  <miles@gnu.org>
396         * emacs-lisp/byte-lexbind.el (byte-compile-compute-lforminfo):
397         Look at variable's global specialp state too.
399 2004-04-09  Miles Bader  <miles@gnu.org>
401         * emacs-lisp/byte-opt.el (byte-optimize-lapcode):
402         Default initial-stack-depth to 0.
403         (byte-optimize-lapcode): Discard the right number of values in
404         the stack-set+discard-->discard optimization.
406 2004-04-02  Miles Bader  <miles@gnu.org>
408         * emacs-lisp/lisp-mode.el (eval-last-sexp-1): Setup the lexical
409         environment if lexical-binding is enabled.
411 2003-10-14  Miles Bader  <miles@gnu.org>
413         * emacs-lisp/macroexp.el (macroexpand-all-1): Special-case
414         `backquote-list*' to avoid stack overflows.
416 2003-04-04  Miles Bader  <miles@gnu.org>
418         * help-fns.el (help-function-arglist): Handle interpreted closures.
420 2002-11-20  Miles Bader  <miles@gnu.org>
422         * emacs-lisp/bytecomp.el (byte-compile-stack-adjustment):
423         Correctly handle discardN* operators.
424         * emacs-lisp/byte-opt.el (byte-optimize-lapcode): Fix stack-depth
425         tracking errors.
427 2002-08-26  Miles Bader  <miles@gnu.org>
429         * international/mule.el (make-char): Macroexpand call to
430         charset-id constructed by `byte-compile' hook.
432         * emacs-lisp/macroexp.el (macroexpand-all-1): Expand defconst value.
434         * emacs-lisp/byte-opt.el (byte-opt-update-stack-params): New macro.
435         (byte-optimize-lapcode): Keep track of stack-depth in final pass too.
436         Add more optimizations for lexical binding.
437         (byte-compile-inline-expand): Macroexpand result of inlining.
439         * emacs-lisp/bytecomp.el (byte-compile-lambda): Update call to
440         byte-compile-closure-initial-lexenv-p.
441         (byte-discardN-preserve-tos): Alias to byte-discardN.
442         (byte-compile-push-binding-init): Don't push unused variables on
443         init-lexenv.
444         (byte-compile-push-binding-init): Don't use LFORMINFO if it's nil.
445         (byte-compile-lambda): Don't look at lexical environment unless
446         we're using lexical binding.
447         (byte-compile-defmacro): Correctly generate macros.
449         * emacs-lisp/byte-lexbind.el (byte-compile-unbind): Optimize the
450         dynamic-bindings-only case.
451         (byte-compile-bind): Don't special-case unused lexical variables.
453         * emacs-lisp/disass.el (disassemble-1): Print arg for discardN ops.
455 2002-08-19  Miles Bader  <miles@gnu.org>
457         * emacs-lisp/byte-opt.el (byte-decompile-bytecode-1):
458         Handle `byte-discardN-preserve-tos' pseudo-op.
459         (byte-compile-side-effect-and-error-free-ops): Add `byte-stack-ref'.
460         (byte-compile-side-effect-free-ops): Add `byte-vec-ref'.
461         (byte-optimize-lapcode): Add some cases for stack-set/ref ops.
462         Add tracking of stack-depth.  Unfinished code to collapse
463         lexical-unbinding sequences.
465         * emacs-lisp/bytecomp.el (byte-compile-lapcode):
466         Handle `byte-discardN-preserve-tos' pseudo-op.
467         (byte-compile-top-level): If there are lexical args, output a TAG
468         op to record the initial stack-depth for the optimizer.
470 2002-08-17  Miles Bader  <miles@gnu.org>
472         * emacs-lisp/bytecomp.el (byte-discardN): Add byte-defop.
473         (byte-compile-lapcode): Include byte-discardN.
474         (byte-compile-lambda): Fixup closure detection.
475         (byte-compile-top-level): Handle arguments for a lexical lambda.
476         (byte-compile-lexical-variable-ref, byte-compile-variable-ref)
477         (byte-compile-variable-set): Use byte-compile-stack-set/ref.
478         (byte-compile-discard): Add new parameters NUM and PRESERVE-TOS.
479         (byte-compile-stack-ref, byte-compile-stack-set): New functions.
480         (byte-compile-push-binding-init): Get the variable list properly
481         from LFORMINFO.
483         * emacs-lisp/byte-lexbind.el (byte-compile-lforminfo-analyze):
484         Ignore setq'd variables we're not interested in.
485         (byte-compile-make-lambda-lexenv): Add assertion that closed-over
486         variables be heap allocated.
487         (byte-compile-closure-initial-lexenv-p): Rename from
488         byte-compile-closure-lexenv-p.
489         (byte-compile-non-stack-bindings-p): Get the variable list
490         properly from LFORMINFO.
491         (byte-compile-maybe-push-heap-environment): Handle the
492         no-closed-over-variables case correctly.
493         (byte-compile-bind): Use byte-compile-stack-set/ref.
494         Don't bother modifying INIT-LEXENV as no one will see the changes.
495         (byte-compile-unbind): Call `byte-compile-discard' to handle
496         unbinding lexical bindings.
498         * emacs-lisp/disass.el (disassemble-internal): Handle closures.
499         (disassemble-1): Handle new bytecodes.
500         * emacs-lisp/byte-opt.el (disassemble-offset): Handle new bytecodes.
502 2002-06-16  Miles Bader  <miles@gnu.org>
504         * emacs-lisp/macroexp.el (macroexp-accumulate): New macro.
505         (macroexpand-all-forms, macroexpand-all-clauses): Use it.
506         * Makefile.in (compile): Undo previous change.
508 2002-06-14  Miles Bader  <miles@gnu.org>
510         * Makefile.in (COMPILE_FIRST): Add `emacs-lisp/macroexp.el'.
511         (compile): Add a special case that compiles `emacs-lisp/macroexp.el'
512         with an increased max-lisp-eval-depth.
514         * emacs-lisp/bytecomp.el: Provide `bytecomp-preload', at the
515         beginning of the file.  Require `byte-lexbind' at compile time.
516         Add a few doc string.
517         (byte-compile-push-bytecodes)
518         (byte-compile-push-bytecode-const2): New macros.
519         (byte-compile-lapcode): Use them.  Do general code cleanup.
520         (byte-compile-initial-macro-environment): Expand macros in
521         byte-compile-eval before passing to byte-compile-top-level.
522         (byte-compile): Use the `byte-compile-initial-macro-environment'.
524         * emacs-lisp/byte-lexbind.el: Require `bytecomp-preload' instead of
525         `bytecomp'.
526         (byte-compile-bind): Use `byte-compile-dynamic-variable-bind' to bind
527         dynamic variables.
528         (byte-compile-maybe-push-heap-environment): Fix function name typo.
530 2002-06-13  Miles Bader  <miles@gnu.org>
532         Byte compiler lexical binding support (not finished yet):
533         * emacs-lisp/bytecomp.el: Require `macroexp'.
534         (byte-compile-lexical-environment)
535         (byte-compile-current-heap-environment)
536         (byte-compile-current-num-closures): New variables.
537         (0, 178, 179, 180, 181): New byte-opcodes.
538         (byte-compile-lapcode): Handle stack-ref/set opcodes.  Signal an
539         error if a delay-output placeholder is not filled in yet.
540         (byte-compile-file-form, byte-compile): Expand all macros with
541         `macroexpand-all'.
542         (byte-compile-file-form-defsubst, byte-compile-form): Don't expand
543         macros here.
544         (byte-compile-make-lambda-lexenv): Autoload.
545         (byte-compile-lambda): Initial code for handling lexically-bound
546         arguments and closures; doesn't work yet.
547         (byte-compile-closure-code-p, byte-compile-make-closure)
548         (byte-compile-closure): New functions.
549         (byte-compile-check-variable, byte-compile-dynamic-variable-op)
550         (byte-compile-dynamic-variable-bind)
551         (byte-compile-lexical-variable-ref, byte-compile-variable-set):
552         New functions.
553         (byte-compile-variable-ref): Remove second argument.  Now only
554         handles real variable references (not setting or binding).
555         (byte-compile-push-unknown-constant)
556         (byte-compile-resolve-unknown-constant): New functions.
557         (byte-compile-funarg, byte-compile-funarg-2): Functions removed.
558         (byte-compile-function-form): Use either `byte-compile-constant'
559         or `byte-compile-closure'.
560         (byte-compile-setq): Use `byte-compile-variable-set' instead of
561         `byte-compile-variable-ref'.
562         (apply, mapcar, mapatoms, mapconcat, mapc, sort):
563         `byte-defop-compiler-1's removed.
564         (byte-compile-while): Make sure lexically-bound variables inside
565         the loop don't get stored in an environment outside the loop.
566         (byte-compile-compute-lforminfo): Autoload.
567         (byte-compile-push-binding-init): New function.
568         (byte-compile-let, byte-compile-let*): Handle lexical binding.
569         (byte-compile-defun): Use `byte-compile-closure' to do the work.
570         (byte-compile-defmacro): Use `byte-compile-make-closure'.
571         (byte-compile-defvar): Expand the generated call to `push' since
572         we're past macroexpansion already.
573         (byte-compile-stack-adjustment): New function.
574         (byte-compile-out): Make second arg optional.  Rewrite for clarity.
575         (byte-compile-delay-out, byte-compile-delayed-out): New functions.
577         * emacs-lisp/byte-opt.el (byte-optimize-form-code-walker):
578         Don't expand macros here.
580         * emacs-lisp/macroexp.el (macroexpand-all-1): Expand defmacro forms.
582         * emacs-lisp/byte-lexbind.el (byte-compile-make-lvarinfo)
583         (byte-compile-lforminfo-add-var)
584         (byte-compile-lforminfo-note-closure)
585         (byte-compile-compute-lforminfo)
586         (byte-compile-lforminfo-from-lambda)
587         (byte-compile-lforminfo-analyze)
588         (byte-compile-heapenv-add-accessible-env)
589         (byte-compile-heapenv-ensure-access)
590         (byte-compile-rearrange-let-clauses, byte-compile-bind)
591         (byte-compile-unbind): Fix a bunch of typos.
593 2002-06-12  Miles Bader  <miles@gnu.org>
595         * emacs-lisp/byte-lexbind.el, emacs-lisp/macroexp.el: New files.
597         * subr.el (functionp): Function removed (now a subr).
598         * help-fns.el (describe-function-1): Handle interpreted closures.
600 ;; arch-tag: bd1b5b8b-fdb2-425d-9ac2-20689fb0ee70