ChangeLog 23 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
2011-02-26  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/cconv.el: Compute freevars in cconv-analyse.
	(cconv-mutated, cconv-captured): Remove.
	(cconv-captured+mutated, cconv-lambda-candidates): Don't give them
	a global value.
	(cconv-freevars-alist): New var.
	(cconv-freevars): Remove.
	(cconv--lookup-let): Remove.
	(cconv-closure-convert-function): Extract from cconv-closure-convert-rec.
	(cconv-closure-convert-rec): Adjust to above changes.
	(fboundp): New function.
	(cconv-analyse-function, form): Rewrite.
	* emacs-lisp/bytecomp.el (byte-compile-initial-macro-environment):
	Handle declare-function here.
	(byte-compile-obsolete): Remove.
	(byte-compile-arglist-warn): Check late defsubst here.
	(byte-compile-file-form): Simplify.
	(byte-compile-file-form-defsubst): Remove.
	(byte-compile-macroexpand-declare-function): Rename from
	byte-compile-declare-function, turn it into a macro-expander.
	(byte-compile-normal-call): Check obsolescence.
	(byte-compile-quote-form): Remove.
	(byte-compile-defmacro): Revert to trunk's definition which seems to
	work just as well and handles `declare'.
	* emacs-lisp/byte-run.el (make-obsolete): Don't modify byte-compile.
	* Makefile.in (BIG_STACK_DEPTH): Increase to 1200.
	(compile-onefile): Pass $(BIG_STACK_OPTS) before "-l bytecomp".
	* emacs-lisp/macroexp.el: Use lexbind.
	(macroexpand-all-1): Check macro obsolescence.
	* vc/diff-mode.el: Use lexbind.
	* follow.el (follow-calc-win-end): Simplify.

Stefan Monnier's avatar
Stefan Monnier committed
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
2011-02-25  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/bytecomp.el (byte-compile-lapcode): Handle new form of
	`byte-constant'.
	(byte-compile-close-variables, displaying-byte-compile-warnings):
	Add edebug spec.
	(byte-compile-toplevel-file-form): New fun, split out of
	byte-compile-file-form.
	(byte-compile-from-buffer): Use it to avoid applying cconv
	multiple times.
	(byte-compile): Only strip `function' if it's present.
	(byte-compile-lambda): Add `reserved-csts' argument.
	Use new lexenv arg of byte-compile-top-level.
	(byte-compile-reserved-constants): New var.
	(byte-compile-constants-vector): Obey it.
	(byte-compile-constants-vector): Handle new `byte-constant' form.
	(byte-compile-top-level): Add args `lexenv' and `reserved-csts'.
	(byte-compile-form): Don't check callargs here.
	(byte-compile-normal-call): Do it here instead.
	(byte-compile-push-unknown-constant)
	(byte-compile-resolve-unknown-constant): Remove, unused.
	(byte-compile-make-closure): Use `make-byte-code' rather than `curry',
	putting the environment into the "constant" pool.
	(byte-compile-get-closed-var): Use special byte-constant.
	* emacs-lisp/byte-opt.el (byte-optimize-form-code-walker): Handle new
	intermediate special form `internal-make-vector'.
	(byte-optimize-lapcode): Handle new form of `byte-constant'.
	* help-fns.el (describe-function-1): Don't handle funvecs.
	* emacs-lisp/macroexp.el (macroexpand-all-1): Only convert quote to
	function if the content is a lambda expression, not if it's a closure.
	* emacs-lisp/eieio-come.el: Remove.
	* emacs-lisp/eieio.el: Don't require eieio-comp.
	(defmethod): Do a bit more work to find the body and wrap it into
	a function before passing it to eieio-defmethod.
	(eieio-defmethod): New arg `code' for it.
	* emacs-lisp/debug.el (debugger-setup-buffer): Don't hide things in
	debugger backtrace.
	* emacs-lisp/cl-extra.el (cl-macroexpand-all): Use backquotes, and be
	more careful when quoting a function value.
	* emacs-lisp/cconv.el (cconv-freevars): Accept defvar/defconst.
	(cconv-closure-convert-rec): Catch stray `internal-make-closure'.
	* Makefile.in (COMPILE_FIRST): Compile pcase and cconv early.

77 78 79 80 81 82 83 84 85
2011-02-21  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/cconv.el (cconv-closure-convert-rec): Let the byte
	compiler choose the representation of closures.
	(cconv--env-var): Remove.
	* emacs-lisp/bytecomp.el (byte-compile--env-var): New var.
	(byte-compile-make-closure, byte-compile-get-closed-var):
	New functions.

86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124
2011-02-21  Stefan Monnier  <monnier@iro.umontreal.ca>

	* subr.el (with-output-to-temp-buffer): New macro.

	* simple.el (count-words-region): Don't use interactive-p.

	* minibuffer.el: Use lexical-binding.  Replace all uses of lexical-let.

	* emacs-lisp/eieio.el (eieio-defgeneric-form-primary-only-one):
	Call byte-compile rather than byte-compile-lambda.

	* emacs-lisp/eieio-comp.el (eieio-byte-compile-file-form-defmethod):
	Rename from byte-compile-file-form-defmethod.
	Don't byte-compile-lambda.
	(eieio-byte-compile-defmethod-param-convert): Rename from
	byte-compile-defmethod-param-convert.

	* emacs-lisp/cl-extra.el (cl-macroexpand-all): Don't assume that the
	value of (function (lambda ...)) is self-quoting.

	* emacs-lisp/cconv.el: Use lexical-binding.
	(cconv--lookup-let): Rename from cconv-lookup-let.
	(cconv-closure-convert-rec): Fix handling of captured+mutated
	arguments in defun/defmacro.

	* emacs-lisp/bytecomp.el (byte-compile-lapcode):
	Turn stack-ref-0 into dup.
	(byte-compile-form): Don't indirect-function since it can signal
	errors.
	(byte-compile-stack-ref, byte-compile-stack-set): Adjust to stack-refs
	being relative to top rather than to bottom in the byte-code.
	(with-output-to-temp-buffer): Remove.
	(byte-compile-with-output-to-temp-buffer): Remove.

	* emacs-lisp/byte-opt.el (byte-compile-side-effect-and-error-free-ops):
	Remove interactive-p.
	(byte-optimize-lapcode): Update optimizations now that stack-refs are
	relative to the top rather than to the bottom.

125 126 127 128 129 130 131 132 133 134 135 136 137
2011-02-19  Stefan Monnier  <monnier@iro.umontreal.ca>

	* subr.el (save-window-excursion): New macro, moved from C.
	* emacs-lisp/lisp-mode.el (save-window-excursion): Don't touch.
	* emacs-lisp/cconv.el (cconv-closure-convert-rec, cconv-analyse-form):
	Don't handle save-window-excursion any more.
	* emacs-lisp/bytecomp.el (interactive-p, save-window-excursion):
	Don't use the byte-code any more.
	(byte-compile-form): Check macro expansion was done.
	(byte-compile-save-window-excursion): Remove.
	* emacs-lisp/byte-opt.el (byte-optimize-form-code-walker):
	Ignore save-window-excursion.  Don't macroepand any more.

138 139 140 141 142
2011-02-18  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/pcase.el (pcase--expand, pcase--u, pcase--u1, pcase--q1):
	Avoid destructuring-bind which results in poorer code.

143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
2011-02-17  Stefan Monnier  <monnier@iro.umontreal.ca>

	* files.el (lexical-binding): Add a safe-local-variable property.

	* emacs-lisp/cl-macs.el (cl-byte-compile-block): Disable optimization
	in lexbind, because it needs a different implementation.

	* emacs-lisp/cconv.el (cconv--set-diff, cconv--set-diff-map)
	(cconv--map-diff, cconv--map-diff-elem, cconv--map-diff-set): New funs.
	(cconv--env-var): New constant.
	(cconv-closure-convert-rec): Use it and use them.  Fix a typo that
	ended up forgetting to remove entries from lmenvs in `let'.
	For `lambda' use the outer `fvrs' when building the closure and don't
	forget to remove `vars' from the `emvrs' and `lmenvs' of the body.

	* emacs-lisp/bytecomp.el (byte-compile-arglist-warn):
	Correctly extract arglist from `closure's.
	(byte-compile-cl-warn): Compiler-macros are run earlier now.
	(byte-compile-top-level): Bind byte-compile-lexical-environment to nil,
	except for lambdas.
	(byte-compile-form): Don't run the compiler-macro expander here.
	(byte-compile-let): Merge with byte-compile-let*.
	Don't preserve-body-value if the body's value was discarded.

	* emacs-lisp/byte-opt.el (byte-inline-lapcode): Check how many elements
	are added to the stack.
	(byte-compile-splice-in-already-compiled-code): Don't touch lexical nor
	byte-compile-depth now that byte-inline-lapcode does it for us.
	(byte-compile-inline-expand): Don't inline dynbind byte code into
	lexbind code, since it has to be done differently.

174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207
2011-02-12  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/byte-lexbind.el: Delete.

	* emacs-lisp/bytecomp.el (byte-compile-current-heap-environment)
	(byte-compile-current-num-closures): Remove vars.
	(byte-vec-ref, byte-vec-set): Remove byte codes.
	(byte-compile-arglist-vars, byte-compile-make-lambda-lexenv): Move from
	byte-lexbind.el.
	(byte-compile-lambda): Never build a closure.
	(byte-compile-closure-code-p, byte-compile-make-closure): Remove.
	(byte-compile-closure): Simplify.
	(byte-compile-top-level): Don't mess with heap environments.
	(byte-compile-dynamic-variable-bind): Always maintain
	byte-compile-bound-variables.
	(byte-compile-variable-ref, byte-compile-variable-set): Always just use
	the stack for lexical vars.
	(byte-compile-push-binding-init): Simplify.
	(byte-compile-not-lexical-var-p): New function, moved from cconv.el.
	(byte-compile-bind, byte-compile-unbind): New functions, moved and
	simplified from byte-lexbind.el.
	(byte-compile-let, byte-compile-let*): Simplify.
	(byte-compile-condition-case): Don't add :fun-body to the bound vars.
	(byte-compile-defmacro): Simplify.

	* emacs-lisp/cconv.el (cconv-not-lexical-var-p): Remove.
	(cconv-freevars, cconv-analyse-function, cconv-analyse-form):
	Use byte-compile-not-lexical-var-p instead.

	* help-fns.el (describe-function-1): Fix paren typo.

	* emacs-lisp/byte-opt.el (byte-compile-side-effect-free-ops)
	(byte-optimize-lapcode): Remove byte-vec-ref and byte-vec-set.

208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227
2011-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/cconv.el (cconv-closure-convert): Drop `toplevel' arg.
	(cconv-closure-convert-toplevel): Remove.
	(cconv-lookup-let): New fun.
	(cconv-closure-convert-rec): Don't bother with defs-are-legal.
	Use :fun-body to handle special forms that require closing their forms.

	* emacs-lisp/bytecomp.el (byte-compile-file-form, byte-compile):
	Use cconv-closure-convert instead of cconv-closure-convert-toplevel.
	(byte-compile-lambda, byte-compile-make-closure):
	* emacs-lisp/byte-lexbind.el (byte-compile-maybe-push-heap-environment):
	Make sure cconv did its job.

	* emacs-lisp/byte-opt.el (byte-optimize-lapcode): Check stack-depth
	before using it.

	* dired.el (dired-desktop-buffer-misc-data): Don't use a dynamic var as
	function argument.

228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249
2011-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/bytecomp.el (byte-compile-lambda): Fix `fun' that was not
	renamed to `bytecomp-fun'.

	* emacs-lisp/byte-lexbind.el (byte-compile-lforminfo-analyze):
	Understand the :fun-body case for catch, save-window-excursion, and
	condition-case.
	(byte-compile-maybe-push-heap-environment): No need when nclosures is
	zero and byte-compile-current-num-closures is -1.

	* emacs-lisp/cconv.el (cconv-not-lexical-var-p): New function.
	(cconv-freevars): Use it.
	(cconv-closure-convert-rec): Avoid `position'.
	(cconv-analyse-function): New function.
	(cconv-analyse-form): Use it.  `inclosure' can't be nil any more.
	Check lexical vars at let-binding time rather than when referenced.
	For defuns to be in an empty environment and lambdas to take lexical args.
	Pay attention to the need to build closures in catch, unwind-protect,
	save-window-excursion, condition-case, and track-mouse.
	Fix defconst/defvar handling.

250 251 252 253 254 255 256 257 258 259 260 261 262
2011-02-10  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/cconv.el (cconv-mutated, cconv-captured)
	(cconv-captured+mutated, cconv-lambda-candidates): Fix up declaration.
	(cconv-freevars): Minor cleanup.  Fix handling of the error var in
	condition-case.

	* emacs-lisp/bytecomp.el (byte-compile-catch)
	(byte-compile-unwind-protect, byte-compile-track-mouse)
	(byte-compile-condition-case, byte-compile-save-window-excursion):
	Provide a :fun-body alternative, so that info can be propagated from the
	surrounding context, as is the case for lexical scoping.

263 264 265 266 267 268 269 270 271 272 273 274
2011-02-10  Igor Kuzmin  <kuzminig@iro.umontreal.ca>

	* emacs-lisp/cconv.el: New file.
	* emacs-lisp/bytecomp.el: Use cconv.
	(byte-compile-file-form, byte-compile):
	Call cconv-closure-convert-toplevel when requested.
	* server.el:
	* mpc.el:
	* emacs-lisp/pcase.el:
	* doc-view.el:
	* dired.el: Use lexical-binding.

275 276 277 278
2010-12-27  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/bytecomp.el (byte-compile-track-mouse): Don't use #'.

279 280 281 282 283 284 285
2010-12-15  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/edebug.el (edebug-eval-defun, edebug-eval):
	* emacs-lisp/lisp-mode.el (eval-last-sexp-1, eval-defun-1):
	* ielm.el (ielm-eval-input):
	* simple.el (eval-expression): Use new eval arg to obey lexical-binding.

286 287 288 289
2010-12-14  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/bytecomp.el (byte-compile-condition-case): Use push.

290 291 292 293
2010-12-13  Stefan Monnier  <monnier@iro.umontreal.ca>

	* subr.el (with-lexical-binding): Remove.

294 295 296 297 298
2010-06-18  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/byte-lexbind.el (byte-compile-compute-lforminfo):
	specialp -> special-variable-p.

299 300 301 302 303 304
2010-06-15  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/bytecomp.el (byte-compile-initial-macro-environment):
	Don't macroexpand before evaluating in eval-and-compile, in case
	`body's macro expansion uses macros and functions defined in itself.

305 306 307 308 309 310 311
2010-06-14  Stefan Monnier  <monnier@iro.umontreal.ca>

	* emacs-lisp/bytecomp.el (byte-compile-check-variable):
	Update byte-compile-not-obsolete-var to byte-compile-not-obsolete-vars.

	* Makefile.in (.el.elc): Increase max-lisp-eval-depth.

Stefan Monnier's avatar
Stefan Monnier committed
312
2006-12-04  Miles Bader  <miles@gnu.org>
313

Stefan Monnier's avatar
Stefan Monnier committed
314 315
	* Makefile.in (COMPILE_FIRST_STACK_DEPTH): New variable.
	(compile, compile-always): Use it.
316

Stefan Monnier's avatar
Stefan Monnier committed
317
2005-10-24  Miles Bader  <miles@gnu.org>
318

Stefan Monnier's avatar
Stefan Monnier committed
319
	* subr.el (functionp): Re-remove.
320

Stefan Monnier's avatar
Stefan Monnier committed
321 322 323 324
	* emacs-lisp/bytecomp.el (byte-compile-closure): Add optional
	ADD-LAMBDA argument, which we just pass to `byte-compile-lambda'.
	(byte-compile-defun): Use ADD-LAMBDA arg to `byte-compile-closure'
	instead of adding lambda ourselves.
Eli Zaretskii's avatar
Eli Zaretskii committed
325

Stefan Monnier's avatar
Stefan Monnier committed
326
2004-08-09  Miles Bader  <miles@gnu.org>
Eli Zaretskii's avatar
Eli Zaretskii committed
327

Stefan Monnier's avatar
Stefan Monnier committed
328
	Changes from merging the funvec patch:
329

Stefan Monnier's avatar
Stefan Monnier committed
330 331
	* emacs-lisp/bytecomp.el (byte-compile-make-closure): Use `curry'
	instead of `vector' to create compiled closures.
332

Stefan Monnier's avatar
Stefan Monnier committed
333
	Merge funvec patch.
334

Stefan Monnier's avatar
Stefan Monnier committed
335
2004-04-29  Miles Bader  <miles@gnu.org>
336

Stefan Monnier's avatar
Stefan Monnier committed
337 338 339
	* emacs-lisp/bytecomp.el (byte-compile-top-level): Add new entries
	to `byte-compile-lexical-environment' at the start, not end.
	(byte-compile-delay-out): Correctly default STACK-ADJUST to zero.
340

Stefan Monnier's avatar
Stefan Monnier committed
341 342
	* emacs-lisp/byte-opt.el (byte-opt-update-stack-params):
	Don't crash on no-op lapcode entries (car is nil).
343

Stefan Monnier's avatar
Stefan Monnier committed
344 345
	* emacs-lisp/byte-lexbind.el (byte-compile-make-lambda-lexenv):
	Push a lexvar onto lexenv, not a vinfo!
346

Stefan Monnier's avatar
Stefan Monnier committed
347
2004-04-11  Miles Bader  <miles@gnu.org>
348

Stefan Monnier's avatar
Stefan Monnier committed
349 350
	* emacs-lisp/bytecomp.el (byte-compile-top-level):
	Correctly analyze lexically-bound arguments.
351

Stefan Monnier's avatar
Stefan Monnier committed
352 353
	* emacs-lisp/byte-lexbind.el (byte-compile-lforminfo-analyze):
	Use `append' instead of `nconc'.
354

Stefan Monnier's avatar
Stefan Monnier committed
355 356 357 358 359
	* emacs-lisp/byte-lexbind.el (byte-compile-make-lvarinfo):
	Don't use backquote to make a mutable data-structure.
	(byte-compile-lvarinfo-num-refs, byte-compile-lvarinfo-num-sets):
	Rename to use `num-' instead of `num'.
	(byte-compile-make-lambda-lexenv): Adjust accordingly.
360

Stefan Monnier's avatar
Stefan Monnier committed
361
2004-04-10  Miles Bader  <miles@gnu.org>
362

Stefan Monnier's avatar
Stefan Monnier committed
363 364
	* emacs-lisp/byte-lexbind.el (byte-compile-compute-lforminfo):
	Look at variable's global specialp state too.
365

Stefan Monnier's avatar
Stefan Monnier committed
366
2004-04-09  Miles Bader  <miles@gnu.org>
367

Stefan Monnier's avatar
Stefan Monnier committed
368 369 370 371
	* emacs-lisp/byte-opt.el (byte-optimize-lapcode):
	Default initial-stack-depth to 0.
	(byte-optimize-lapcode): Discard the right number of values in
	the stack-set+discard-->discard optimization.
372

Stefan Monnier's avatar
Stefan Monnier committed
373
2004-04-02  Miles Bader  <miles@gnu.org>
374

Stefan Monnier's avatar
Stefan Monnier committed
375 376
	* emacs-lisp/lisp-mode.el (eval-last-sexp-1): Setup the lexical
	environment if lexical-binding is enabled.
377

Stefan Monnier's avatar
Stefan Monnier committed
378
2003-10-14  Miles Bader  <miles@gnu.org>
379

Stefan Monnier's avatar
Stefan Monnier committed
380 381
	* emacs-lisp/macroexp.el (macroexpand-all-1): Special-case
	`backquote-list*' to avoid stack overflows.
382

Stefan Monnier's avatar
Stefan Monnier committed
383
2003-04-04  Miles Bader  <miles@gnu.org>
384

Stefan Monnier's avatar
Stefan Monnier committed
385
	* help-fns.el (help-function-arglist): Handle interpreted closures.
386

Stefan Monnier's avatar
Stefan Monnier committed
387
2002-11-20  Miles Bader  <miles@gnu.org>
388

Stefan Monnier's avatar
Stefan Monnier committed
389 390 391 392
	* emacs-lisp/bytecomp.el (byte-compile-stack-adjustment):
	Correctly handle discardN* operators.
	* emacs-lisp/byte-opt.el (byte-optimize-lapcode): Fix stack-depth
	tracking errors.
393

Stefan Monnier's avatar
Stefan Monnier committed
394
2002-08-26  Miles Bader  <miles@gnu.org>
395

Stefan Monnier's avatar
Stefan Monnier committed
396 397
	* international/mule.el (make-char): Macroexpand call to
	charset-id constructed by `byte-compile' hook.
398

Stefan Monnier's avatar
Stefan Monnier committed
399
	* emacs-lisp/macroexp.el (macroexpand-all-1): Expand defconst value.
400

Stefan Monnier's avatar
Stefan Monnier committed
401 402 403 404
	* emacs-lisp/byte-opt.el (byte-opt-update-stack-params): New macro.
	(byte-optimize-lapcode): Keep track of stack-depth in final pass too.
	Add more optimizations for lexical binding.
	(byte-compile-inline-expand): Macroexpand result of inlining.
405

Stefan Monnier's avatar
Stefan Monnier committed
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518
	* emacs-lisp/bytecomp.el (byte-compile-lambda): Update call to
	byte-compile-closure-initial-lexenv-p.
	(byte-discardN-preserve-tos): Alias to byte-discardN.
	(byte-compile-push-binding-init): Don't push unused variables on
	init-lexenv.
	(byte-compile-push-binding-init): Don't use LFORMINFO if it's nil.
	(byte-compile-lambda): Don't look at lexical environment unless
	we're using lexical binding.
	(byte-compile-defmacro): Correctly generate macros.

	* emacs-lisp/byte-lexbind.el (byte-compile-unbind): Optimize the
	dynamic-bindings-only case.
	(byte-compile-bind): Don't special-case unused lexical variables.

	* emacs-lisp/disass.el (disassemble-1): Print arg for discardN ops.

2002-08-19  Miles Bader  <miles@gnu.org>

	* emacs-lisp/byte-opt.el (byte-decompile-bytecode-1):
	Handle `byte-discardN-preserve-tos' pseudo-op.
	(byte-compile-side-effect-and-error-free-ops): Add `byte-stack-ref'.
	(byte-compile-side-effect-free-ops): Add `byte-vec-ref'.
	(byte-optimize-lapcode): Add some cases for stack-set/ref ops.
	Add tracking of stack-depth.  Unfinished code to collapse
	lexical-unbinding sequences.

	* emacs-lisp/bytecomp.el (byte-compile-lapcode):
	Handle `byte-discardN-preserve-tos' pseudo-op.
	(byte-compile-top-level): If there are lexical args, output a TAG
	op to record the initial stack-depth for the optimizer.

2002-08-17  Miles Bader  <miles@gnu.org>

	* emacs-lisp/bytecomp.el (byte-discardN): Add byte-defop.
	(byte-compile-lapcode): Include byte-discardN.
	(byte-compile-lambda): Fixup closure detection.
	(byte-compile-top-level): Handle arguments for a lexical lambda.
	(byte-compile-lexical-variable-ref, byte-compile-variable-ref)
	(byte-compile-variable-set): Use byte-compile-stack-set/ref.
	(byte-compile-discard): Add new parameters NUM and PRESERVE-TOS.
	(byte-compile-stack-ref, byte-compile-stack-set): New functions.
	(byte-compile-push-binding-init): Get the variable list properly
	from LFORMINFO.

	* emacs-lisp/byte-lexbind.el (byte-compile-lforminfo-analyze):
	Ignore setq'd variables we're not interested in.
	(byte-compile-make-lambda-lexenv): Add assertion that closed-over
	variables be heap allocated.
	(byte-compile-closure-initial-lexenv-p): Rename from
	byte-compile-closure-lexenv-p.
	(byte-compile-non-stack-bindings-p): Get the variable list
	properly from LFORMINFO.
	(byte-compile-maybe-push-heap-environment): Handle the
	no-closed-over-variables case correctly.
	(byte-compile-bind): Use byte-compile-stack-set/ref.
	Don't bother modifying INIT-LEXENV as no one will see the changes.
	(byte-compile-unbind): Call `byte-compile-discard' to handle
	unbinding lexical bindings.

	* emacs-lisp/disass.el (disassemble-internal): Handle closures.
	(disassemble-1): Handle new bytecodes.
	* emacs-lisp/byte-opt.el (disassemble-offset): Handle new bytecodes.

2002-06-16  Miles Bader  <miles@gnu.org>

	* emacs-lisp/macroexp.el (macroexp-accumulate): New macro.
	(macroexpand-all-forms, macroexpand-all-clauses): Use it.
	* Makefile.in (compile): Undo previous change.

2002-06-14  Miles Bader  <miles@gnu.org>

	* Makefile.in (COMPILE_FIRST): Add `emacs-lisp/macroexp.el'.
	(compile): Add a special case that compiles `emacs-lisp/macroexp.el'
	with an increased max-lisp-eval-depth.

	* emacs-lisp/bytecomp.el: Provide `bytecomp-preload', at the
	beginning of the file.  Require `byte-lexbind' at compile time.
	Add a few doc string.
	(byte-compile-push-bytecodes)
	(byte-compile-push-bytecode-const2): New macros.
	(byte-compile-lapcode): Use them.  Do general code cleanup.
	(byte-compile-initial-macro-environment): Expand macros in
	byte-compile-eval before passing to byte-compile-top-level.
	(byte-compile): Use the `byte-compile-initial-macro-environment'.

	* emacs-lisp/byte-lexbind.el: Require `bytecomp-preload' instead of
	`bytecomp'.
	(byte-compile-bind): Use `byte-compile-dynamic-variable-bind' to bind
	dynamic variables.
	(byte-compile-maybe-push-heap-environment): Fix function name typo.

2002-06-13  Miles Bader  <miles@gnu.org>

	Byte compiler lexical binding support (not finished yet):
	* emacs-lisp/bytecomp.el: Require `macroexp'.
	(byte-compile-lexical-environment)
	(byte-compile-current-heap-environment)
	(byte-compile-current-num-closures): New variables.
	(0, 178, 179, 180, 181): New byte-opcodes.
	(byte-compile-lapcode): Handle stack-ref/set opcodes.  Signal an
	error if a delay-output placeholder is not filled in yet.
	(byte-compile-file-form, byte-compile): Expand all macros with
	`macroexpand-all'.
	(byte-compile-file-form-defsubst, byte-compile-form): Don't expand
	macros here.
	(byte-compile-make-lambda-lexenv): Autoload.
	(byte-compile-lambda): Initial code for handling lexically-bound
	arguments and closures; doesn't work yet.
	(byte-compile-closure-code-p, byte-compile-make-closure)
	(byte-compile-closure): New functions.
	(byte-compile-check-variable, byte-compile-dynamic-variable-op)
	(byte-compile-dynamic-variable-bind)
	(byte-compile-lexical-variable-ref, byte-compile-variable-set):
519
	New functions.
Stefan Monnier's avatar
Stefan Monnier committed
520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567
	(byte-compile-variable-ref): Remove second argument.  Now only
	handles real variable references (not setting or binding).
	(byte-compile-push-unknown-constant)
	(byte-compile-resolve-unknown-constant): New functions.
	(byte-compile-funarg, byte-compile-funarg-2): Functions removed.
	(byte-compile-function-form): Use either `byte-compile-constant'
	or `byte-compile-closure'.
	(byte-compile-setq): Use `byte-compile-variable-set' instead of
	`byte-compile-variable-ref'.
	(apply, mapcar, mapatoms, mapconcat, mapc, sort):
	`byte-defop-compiler-1's removed.
	(byte-compile-while): Make sure lexically-bound variables inside
	the loop don't get stored in an environment outside the loop.
	(byte-compile-compute-lforminfo): Autoload.
	(byte-compile-push-binding-init): New function.
	(byte-compile-let, byte-compile-let*): Handle lexical binding.
	(byte-compile-defun): Use `byte-compile-closure' to do the work.
	(byte-compile-defmacro): Use `byte-compile-make-closure'.
	(byte-compile-defvar): Expand the generated call to `push' since
	we're past macroexpansion already.
	(byte-compile-stack-adjustment): New function.
	(byte-compile-out): Make second arg optional.  Rewrite for clarity.
	(byte-compile-delay-out, byte-compile-delayed-out): New functions.

	* emacs-lisp/byte-opt.el (byte-optimize-form-code-walker):
	Don't expand macros here.

	* emacs-lisp/macroexp.el (macroexpand-all-1): Expand defmacro forms.

	* emacs-lisp/byte-lexbind.el (byte-compile-make-lvarinfo)
	(byte-compile-lforminfo-add-var)
	(byte-compile-lforminfo-note-closure)
	(byte-compile-compute-lforminfo)
	(byte-compile-lforminfo-from-lambda)
	(byte-compile-lforminfo-analyze)
	(byte-compile-heapenv-add-accessible-env)
	(byte-compile-heapenv-ensure-access)
	(byte-compile-rearrange-let-clauses, byte-compile-bind)
	(byte-compile-unbind): Fix a bunch of typos.

2002-06-12  Miles Bader  <miles@gnu.org>

	* emacs-lisp/byte-lexbind.el, emacs-lisp/macroexp.el: New files.

	* subr.el (functionp): Function removed (now a subr).
	* help-fns.el (describe-function-1): Handle interpreted closures.

;; arch-tag: bd1b5b8b-fdb2-425d-9ac2-20689fb0ee70