src/w32heap.c (allocate_heap) [USE_LISP_UNION_TYPE || USE_LSB_TAG]:
New version that can reserve upto 2GB of heap space.
etc/NEWS: Mention the new feature.
* etc/NEWS: Document `delayed-warnings-list' and `delayed-warnings-hook'.
* lisp/subr.el (display-delayed-warnings): New function.
(delayed-warnings-hook): New variable.
* src/keyboard.c (Qdelayed_warnings_hook): Define.
(command_loop_1): Run `delayed-warnings-hook' if Vdelayed_warnings_list
is non-nil.
(syms_of_keyboard) <delayed-warnings-hook>: DEFSYM it.
(syms_of_keyboard) <delayed-warnings-list>: DEFVAR_LISP it.
(shell-filter-ctrl-a-ctrl-b): Work as a preoutput filter.
(shell-mode): Put shell-filter-ctrl-a-ctrl-b on
comint-preoutput-filter-functions rather than on
comint-output-filter-functions.
(shell-command-completion, shell--command-completion-data)
(shell-filename-completion, shell-environment-variable-completion)
(shell-c-a-p-replace-by-expanded-directory): New functions.
(shell-dynamic-complete-functions, shell-dynamic-complete-command)
(shell-dynamic-complete-filename, shell-replace-by-expanded-directory)
(shell-dynamic-complete-environment-variable): Use them.
(shell-dynamic-complete-as-environment-variable)
(shell-dynamic-complete-as-command): Remove.
(shell-match-partial-variable): Match past point.
* lisp/comint.el: Clean up use of completion-at-point-functions.
(comint-completion-at-point): New function.
(comint-mode): Use it completion-at-point-functions.
(comint-dynamic-complete): Make it obsolete.
(comint-replace-by-expanded-history-before-point): Add dry-run arg.
(comint-c-a-p-replace-by-expanded-history): New function.
(comint-dynamic-complete-functions)
(comint-replace-by-expanded-history): Use it.
* lisp/minibuffer.el (completion-table-with-terminator): Allow dynamic
termination strings. Try harder to avoid second try-completion.
(completion-in-region-mode-map): Disable bindings that don't work yet.
(vc-version-ediff, vc-ediff): New functions.
(vc-version-diff): Use vc-diff-build-argument-list-internal.
* doc/emacs/maintaining.texi (Old Revisions): Add paragraph on new function
vc-ediff.
* etc/NEWS: Document new function `vc-ediff'.
Use this for Tabulated List mode.
* lisp/emacs-lisp/tabulated-list.el (tabulated-list-mode): Use a custom
glyphless-char-display table.
(tabulated-list-glyphless-char-display): New var.
* src/term.c (produce_glyphless_glyph): Handle cons cell entry in
glyphless-char-display.
* src/xdisp.c (lookup_glyphless_char_display)
(produce_glyphless_glyph): Handle cons cell entry in
glyphless-char-display.
(Vglyphless_char_display): Document it.
* lisp/files.el (after-find-file-from-revert-buffer): Remove variable.
(after-find-file): Dont' bind it.
(revert-buffer-in-progress-p): New variable.
(revert-buffer): Bind it.
Pass nil for `after-find-file-from-revert-buffer'.
* lisp/saveplace.el (save-place-find-file-hook): Use new variable
`rever-buffer-in-progress-p', not `after-find-file-from-revert-buffer'.
* etc/NEWS: New variable `revert-buffer-in-progress-p'.
* doc/lispref/eval.texi (Eval): Discourage the use of `eval'.
Document its new `lexical' argument.
* doc/lispref/variables.texi (Defining Variables): Mention the new meaning of `defvar'.
(Lexical Binding): New sub-section.
* lisp/Makefile.in (BIG_STACK_DEPTH, BIG_STACK_OPTS, BYTE_COMPILE_FLAGS):
New variables.
(compile-onefile, .el.elc, compile-calc, recompile): Use them.
(COMPILE_FIRST): Add macroexp and cconv.
* lisp/makefile.w32-in: Mirror changes in Makefile.in.
* lisp/vc/cvs-status.el:
* lisp/vc/diff-mode.el:
* lisp/vc/log-edit.el:
* lisp/vc/log-view.el:
* lisp/vc/smerge-mode.el:
* lisp/textmodes/bibtex-style.el:
* textmodes/css.el:
* lisp/startup.el:
* lisp/uniquify.el:
* lisp/minibuffer.el:
* lisp/newcomment.el:
* lisp/reveal.el:
* lisp/server.el:
* lisp/mpc.el:
* lisp/emacs-lisp/smie.el:
* lisp/doc-view.el:
* lisp/dired.el:
* lisp/abbrev.el: Use lexical binding.
* lisp/custom.el (custom-initialize-default, custom-declare-variable):
Use `defvar'.
* lisp/files.el (lexical-binding): Declare safe.
* lisp/help-fns.el (help-split-fundoc): Return nil if there's nothing else
than the arglist.
(help-add-fundoc-usage): Don't add `Not documented'.
(help-function-arglist): Handle closures, subroutines, and new
byte-code-functions.
(help-make-usage): Remove leading underscores.
(describe-function-1): Handle closures.
(describe-variable): Use special-variable-p for completion.
* lisp/simple.el (with-wrapper-hook, apply-partially): Move to subr.el.
* lisp/subr.el (apply-partially): Use new closures rather than CL.
(--dolist-tail--, --dotimes-limit--): Don't declare dynamic.
(dolist, dotimes): Use slightly different expansion for lexical code.
(functionp): Move to C.
(letrec): New macro.
(with-wrapper-hook): Use it and apply-partially instead of CL.
(eval-after-load): Preserve lexical-binding.
(save-window-excursion, with-output-to-temp-buffer): Turn them
into macros.
* lisp/emacs-lisp/advice.el (ad-arglist): Use help-function-arglist.
* lisp/emacs-lisp/autoload.el (make-autoload): Don't burp on trivial macros.
* lisp/emacs-lisp/byte-opt.el: Use lexical binding.
(byte-inline-lapcode): Remove (to bytecomp).
(byte-compile-inline-expand): Pay attention to inlining to/from
lexically bound code.
(byte-compile-unfold-lambda): Don't handle byte-code-functions
any more.
(byte-optimize-form-code-walker): Don't handle save-window-excursion
any more and don't call compiler-macros.
(byte-compile-splice-in-already-compiled-code): Remove.
(byte-code): Don't inline any more.
(disassemble-offset): Receive `bytes' as argument rather than via
dynamic scoping.
(byte-compile-tag-number): Declare before first use.
(byte-decompile-bytecode-1): Handle new byte-codes, don't change
`return' even if make-spliceable.
(byte-compile-side-effect-and-error-free-ops): Add stack-ref, remove
obsolete interactive-p.
(byte-optimize-lapcode): Optimize new lap-codes.
Don't trip up on new form of `byte-constant' lap code.
* lisp/emacs-lisp/byte-run.el (make-obsolete): Don't set the `byte-compile'
handler any more.
* lisp/emacs-lisp/bytecomp.el: Use lexical binding instead of
a "bytecomp-" prefix. Macroexpand everything as a separate phase.
(byte-compile-initial-macro-environment):
Handle declare-function here.
(byte-compile--lexical-environment): New var.
(byte-stack-ref, byte-stack-set, byte-discardN)
(byte-discardN-preserve-tos): New lap codes.
(byte-interactive-p): Don't use any more.
(byte-compile-push-bytecodes, byte-compile-push-bytecode-const2):
New macros.
(byte-compile-lapcode): Use them and handle new lap codes.
(byte-compile-obsolete): Remove.
(byte-compile-arglist-signature): Handle new byte-code arg"lists".
(byte-compile-arglist-warn): Check late def of inlinable funs.
(byte-compile-cl-warn): Don't silence warnings for compiler-macros
since they should have been expanded by now.
(byte-compile--outbuffer): Rename from bytecomp-outbuffer.
(byte-compile-from-buffer): Remove unused second arg.
(byte-compile-preprocess): New function.
(byte-compile-toplevel-file-form): New function to distinguish
file-form calls from outside from file-form calls from hunk-handlers.
(byte-compile-file-form): Simplify.
(byte-compile-file-form-defsubst): Remove.
(byte-compile-file-form-defmumble): Simplify now that
byte-compile-lambda always returns a byte-code-function.
(byte-compile): Preprocess.
(byte-compile-byte-code-maker, byte-compile-byte-code-unmake):
Remove, not used any more.
(byte-compile-arglist-vars, byte-compile-make-lambda-lexenv)
(byte-compile-make-args-desc): New funs.
(byte-compile-lambda): Handle lexical functions. Always return
a byte-code-function.
(byte-compile-reserved-constants): New var, to make up room for
closed-over variables.
(byte-compile-constants-vector): Obey it.
(byte-compile-top-level): New args `lexenv' and `reserved-csts'.
(byte-compile-macroexpand-declare-function): New function.
(byte-compile-form): Call byte-compile-unfold-bcf to inline immediate
byte-code-functions.
(byte-compile-form): Check obsolescence here.
(byte-compile-inline-lapcode, byte-compile-unfold-bcf): New functions.
(byte-compile-variable-ref): Remove.
(byte-compile-dynamic-variable-op): New fun.
(byte-compile-dynamic-variable-bind, byte-compile-variable-ref)
(byte-compile-variable-set): New funs.
(byte-compile-discard): Add 2 args.
(byte-compile-stack-ref, byte-compile-stack-set)
(byte-compile-make-closure, byte-compile-get-closed-var): New funs.
(byte-compile-funarg, byte-compile-funarg-2): Remove, handled in
macroexpand-all instead.
(byte-compile-quote-form): Remove.
(byte-compile-push-binding-init, byte-compile-not-lexical-var-p)
(byte-compile-bind, byte-compile-unbind): New funs.
(byte-compile-let): Handle let* and lexical binding.
(byte-compile-let*): Remove.
(byte-compile-catch, byte-compile-unwind-protect)
(byte-compile-track-mouse, byte-compile-condition-case):
Handle a new :fun-body form, used for lexical scoping.
(byte-compile-save-window-excursion)
(byte-compile-with-output-to-temp-buffer): Remove.
(byte-compile-defun): Simplify.
(byte-compile-stack-adjustment): New fun.
(byte-compile-out): Use it.
(byte-compile-refresh-preloaded): Don't reload byte-compiler files.
* lisp/emacs-lisp/cconv.el: New file.
* lisp/emacs-lisp/cl-extra.el (cl-macroexpand-all): Properly quote CL
closures.
* lisp/emacs-lisp/cl-macs.el (cl-byte-compile-block)
(cl-byte-compile-throw): Remove.
(cl-block-wrapper, cl-block-throw): Use compiler-macros instead.
* lisp/emacs-lisp/cl.el (pushnew): Silence warning.
* lisp/emacs-lisp/disass.el (disassemble-internal): Handle new
`closure' objects.
(disassemble-1): Handle new byte codes.
* lisp/emacs-lisp/edebug.el (edebug-eval-defun)
(edebug-eval-top-level-form): Use eval-sexp-add-defvars.
(edebug-toggle): Avoid `eval'.
* lisp/emacs-lisp/eieio-comp.el: Remove.
* lisp/emacs-lisp/eieio.el (byte-compile-file-form-defmethod):
Don't autoload.
(eieio-defgeneric-form-primary-only-one): Use `byte-compile' rather
than the internal `byte-compile-lambda'.
(defmethod): Don't hide code under quotes.
(eieio-defmethod): New `code' argument.
* lisp/emacs-lisp/float-sup.el (pi): Don't declare as dynamically bound.
* lisp/emacs-lisp/lisp-mode.el (eval-last-sexp-1):
Use eval-sexp-add-defvars.
(eval-sexp-add-defvars): New fun.
* lisp/emacs-lisp/macroexp.el: Use lexical binding.
(macroexpand-all-1): Check obsolete macros. Expand compiler-macros.
Don't convert ' to #' without checking that it's indeed quoting
a lambda.
* lisp/emacs-lisp/pcase.el: Don't use destructuring-bind.
(pcase--memoize): Rename from pcase-memoize. Change weakness.
(pcase): Add `let' pattern.
Change memoization so it actually works.
(pcase-mutually-exclusive-predicates): Add byte-code-function-p.
(pcase--u1) <guard, pred>: Fix possible shadowing problem.
<let>: New case.
* src/alloc.c (Fmake_symbol): Init new `declared_special' field.
* src/buffer.c (defvar_per_buffer): Set new `declared_special' field.
* src/bytecode.c (Bstack_ref, Bstack_set, Bstack_set2, BdiscardN):
New byte-codes.
(exec_byte_code): New function extracted from Fbyte_code to handle new
calling convention for byte-code-functions. Add new byte-codes.
* src/callint.c (Fcall_interactively): Preserve lexical-binding mode for
interactive spec.
* src/doc.c (Fdocumentation, store_function_docstring):
* src/data.c (Finteractive_form): Handle closures.
* src/eval.c (Fsetq): Handle lexical vars.
(Fdefun, Fdefmacro, Ffunction): Make closures when needed.
(Fdefconst, Fdefvaralias, Fdefvar): Mark as dynamic.
(FletX, Flet): Obey lexical binding.
(Fcommandp): Handle closures.
(Feval): New `lexical' arg.
(eval_sub): New function extracted from Feval. Use it almost
everywhere where Feval was used. Look up vars in lexical env.
Handle closures.
(Ffunctionp): Move from subr.el.
(Ffuncall): Handle closures.
(apply_lambda): Remove `eval_flags'.
(funcall_lambda): Handle closures and new byte-code-functions.
(Fspecial_variable_p): New function.
(syms_of_eval): Initialize the Vinternal_interpreter_environment var,
but without exporting it to Lisp.
* src/fns.c (concat, mapcar1): Accept byte-code-functions.
* src/image.c (parse_image_spec): Use Ffunctionp.
* src/keyboard.c (eval_dyn): New fun.
(menu_item_eval_property): Use it.
* src/lisp.h (struct Lisp_Symbol): New field `declared_special'.
* src/lread.c (lisp_file_lexically_bound_p): New function.
(Fload): Bind Qlexical_binding.
(readevalloop): Remove `evalfun' arg.
Bind Qinternal_interpreter_environment.
(Feval_buffer): Bind Qlexical_binding.
(defvar_int, defvar_bool, defvar_lisp_nopro, defvar_kboard):
Mark as dynamic.
(syms_of_lread): Declare `lexical-binding'.
* src/window.c (Ftemp_output_buffer_show): New fun.
(Fsave_window_excursion):
* src/print.c (Fwith_output_to_temp_buffer): Move to subr.el.
* lisp/minibuffer.el (completion-table-dynamic): Optimize `boundaries'.
(completion-in-region-mode): New minor mode.
(completion-in-region): Use it.
(completion-in-region--data, completion-in-region-mode-map): New vars.
(completion-in-region--postch): New function.
(completion--capf-misbehave-funs, completion--capf-safe-funs): New vars.
(completion--capf-wrapper): New function.
(completion-at-point): Use it to track well-behavedness of hook functions.
(completion-help-at-point): New command.
* src/eval.c (enum run_hooks_condition): Remove.
(funcall_nil, funcall_not): New functions.
(run_hook_with_args): Call each function through a `funcall' argument.
Remove `cond' argument, now redundant.
(Frun_hooks, Frun_hook_with_args, Frun_hook_with_args_until_success)
(Frun_hook_with_args_until_failure): Adjust accordingly.
(run_hook_wrapped_funcall, Frun_hook_wrapped): New functions.
* src/keyboard.c (safe_run_hook_funcall): New function.
(safe_run_hooks_1, safe_run_hooks_error, safe_run_hooks): On error,
don't set the hook to nil, but remove the offending function instead.
(Qcommand_hook_internal): Remove, unused.
(syms_of_keyboard): Don't initialize Qcommand_hook_internal nor define
Vcommand_hook_internal.
* doc/lispref/commands.texi (Command Overview): post-command-hook is not reset
to nil any more.
* lisp/isearch.el (isearch-mode-map): Bind C-y to isearch-yank-kill,
and move isearch-yank-line to M-s C-e.
* doc/emacs/search.texi (Isearch Yank): C-y now bound to isearch-yank-kill.