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Support full Common Lisp multiple values in C.
lisp/ChangeLog
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el :
Update this file to support full C-level multiple values. This
involves:
-- Four new bytecodes, and special compiler functions to compile
multiple-value-call, multiple-value-list-internal, values,
values-list, and, since it now needs to pass back multiple values
and is a special form, throw.
-- There's a new compiler variable, byte-compile-checks-on-load,
which is a list of forms that are evaluated at the very start of a
file, with an error thrown if any of them give nil.
-- The header is now inserted *after* compilation, giving a chance
for the compilation process to influence what those checks
are. There is still a check done before compilation for non-ASCII
characters, to try to turn off dynamic docstrings if appopriate,
in `byte-compile-maybe-reset-coding'.
Space is reserved for checks; comments describing the version of
the byte compiler generating the file are inserted if space
remains for them.
* bytecomp.el (byte-compile-version):
Update this, we're a newer version of the byte compiler.
* byte-optimize.el (byte-optimize-funcall):
Correct a comment.
* bytecomp.el (byte-compile-lapcode):
Discard the arg with byte-multiple-value-call.
* bytecomp.el (byte-compile-checks-and-comments-space):
New variable, describe how many octets to reserve for checks at
the start of byte-compiled files.
* cl-compat.el:
Remove the fake multiple-value implementation. Have the functions
that use it use the real multiple-value implementation instead.
* cl-macs.el (cl-block-wrapper, cl-block-throw):
Revise the byte-compile properties of these symbols to work now
we've made throw into a special form; keep the byte-compile
properties as anonymous lambdas, since we don't have docstrings
for them.
* cl-macs.el (multiple-value-bind, multiple-value-setq)
(multiple-value-list, nth-value):
Update these functions to work with the C support for multiple
values.
* cl-macs.el (values):
Modify the setf handler for this to call
#'multiple-value-list-internal appropriately.
* cl-macs.el (cl-setf-do-store):
If the store form is a cons, treat it specially as wrapping the
store value.
* cl.el (cl-block-wrapper):
Make this an alias of #'and, not #'identity, since it needs to
pass back multiple values.
* cl.el (multiple-value-apply):
We no longer support this, mark it obsolete.
* lisp-mode.el (eval-interactive-verbose):
Remove a useless space in the docstring.
* lisp-mode.el (eval-interactive):
Update this function and its docstring. It now passes back a list,
basically wrapping any eval calls with multiple-value-list. This
allows multiple values to be printed by default in *scratch*.
* lisp-mode.el (prin1-list-as-multiple-values):
New function, printing a list as multiple values in the manner of
Bruno Haible's clisp, separating each entry with " ;\n".
* lisp-mode.el (eval-last-sexp):
Call #'prin1-list-as-multiple-values on the return value of
#'eval-interactive.
* lisp-mode.el (eval-defun):
Call #'prin1-list-as-multiple-values on the return value of
#'eval-interactive.
* mouse.el (mouse-eval-sexp):
Deal with lists corresponding to multiple values from
#'eval-interactive. Call #'cl-prettyprint, which is always
available, instead of sometimes calling #'pprint and sometimes
falling back to prin1.
* obsolete.el (obsolete-throw):
New function, called from eval.c when #'funcall encounters an
attempt to call #'throw (now a special form) as a function. Only
needed for compatibility with 21.4 byte-code.
man/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* cl.texi (Organization):
Remove references to the obsolete multiple-value emulating code.
src/ChangeLog addition:
2009-08-11 Aidan Kehoe <kehoea@parhasard.net>
* bytecode.c (enum Opcode /* Byte codes */):
Add four new bytecodes, to deal with multiple values.
(POP_WITH_MULTIPLE_VALUES): New macro.
(POP): Modify this macro to ignore multiple values.
(DISCARD_PRESERVING_MULTIPLE_VALUES): New macro.
(DISCARD): Modify this macro to ignore multiple values.
(TOP_WITH_MULTIPLE_VALUES): New macro.
(TOP_ADDRESS): New macro.
(TOP): Modify this macro to ignore multiple values.
(TOP_LVALUE): New macro.
(Bcall): Ignore multiple values where appropriate.
(Breturn): Pass back multiple values.
(Bdup): Preserve multiple values.
Use TOP_LVALUE with most bytecodes that assign anything to
anything.
(Bbind_multiple_value_limits, Bmultiple_value_call,
Bmultiple_value_list_internal, Bthrow): Implement the new
bytecodes.
(Bgotoifnilelsepop, Bgotoifnonnilelsepop, BRgotoifnilelsepop,
BRgotoifnonnilelsepop):
Discard any multiple values.
* callint.c (Fcall_interactively):
Ignore multiple values when calling #'eval, in two places.
* device-x.c (x_IO_error_handler):
* macros.c (pop_kbd_macro_event):
* eval.c (Fsignal):
* eval.c (flagged_a_squirmer):
Call throw_or_bomb_out, not Fthrow, now that the latter is a
special form.
* eval.c:
Make Qthrow, Qobsolete_throw available as symbols.
Provide multiple_value_current_limit, multiple-values-limit (the
latter as specified by Common Lisp.
* eval.c (For):
Ignore multiple values when comparing with Qnil, but pass any
multiple values back for the last arg.
* eval.c (Fand):
Ditto.
* eval.c (Fif):
Ignore multiple values when examining the result of the
condition.
* eval.c (Fcond):
Ignore multiple values when comparing what the clauses give, but
pass them back if a clause gave non-nil.
* eval.c (Fprog2):
Never pass back multiple values.
* eval.c (FletX, Flet):
Ignore multiple when evaluating what exactly symbols should be
bound to.
* eval.c (Fwhile):
Ignore multiple values when evaluating the test.
* eval.c (Fsetq, Fdefvar, Fdefconst):
Ignore multiple values.
* eval.c (Fthrow):
Declare this as a special form; ignore multiple values for TAG,
preserve them for VALUE.
* eval.c (throw_or_bomb_out):
Make this available to other files, now Fthrow is a special form.
* eval.c (Feval):
Ignore multiple values when calling a compiled function, a
non-special-form subr, or a lambda expression.
* eval.c (Ffuncall):
If we attempt to call #'throw (now a special form) as a function,
don't error, call #'obsolete-throw instead.
* eval.c (make_multiple_value, multiple_value_aset)
(multiple_value_aref, print_multiple_value, mark_multiple_value)
(size_multiple_value):
Implement the multiple_value type. Add a long comment describing
our implementation.
* eval.c (bind_multiple_value_limits):
New function, used by the bytecode and by #'multiple-value-call,
#'multiple-value-list-internal.
* eval.c (multiple_value_call):
New function, used by the bytecode and #'multiple-value-call.
* eval.c (Fmultiple_value_call):
New special form.
* eval.c (multiple_value_list_internal):
New function, used by the byte code and
#'multiple-value-list-internal.
* eval.c (Fmultiple_value_list_internal, Fmultiple_value_prog1):
New special forms.
* eval.c (Fvalues, Fvalues_list):
New Lisp functions.
* eval.c (values2):
New function, for C code returning multiple values.
* eval.c (syms_of_eval):
Make our new Lisp functions and symbols available.
* eval.c (multiple-values-limit):
Make this available to Lisp.
* event-msw.c (dde_eval_string):
* event-stream.c (execute_help_form):
* glade.c (connector):
* glyphs-widget.c (glyph_instantiator_to_glyph):
* glyphs.c (evaluate_xpm_color_symbols):
* gui-x.c (wv_set_evalable_slot, button_item_to_widget_value):
* gui.c (gui_item_value, gui_item_display_flush_left):
* lread.c (check_if_suppressed):
* menubar-gtk.c (menu_convert, menu_descriptor_to_widget_1):
* menubar-msw.c (populate_menu_add_item):
* print.c (Fwith_output_to_temp_buffer):
* symbols.c (Fsetq_default):
Ignore multiple values when calling Feval.
* symeval.h:
Add the header declarations necessary for the multiple-values
implementation.
* inline.c:
#include symeval.h, now that it has some inline functions.
* lisp.h:
Update Fthrow's declaration. Make throw_or_bomb_out available to
all files.
* lrecord.h (enum lrecord_type):
Add the multiple_value type here.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sun, 16 Aug 2009 20:55:49 +0100 |
| parents | 376386a54a3c |
| children |
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! $XConsortium: XKeysymDB,v 1.13 94/04/13 18:07:58 gildea Exp $ ! Copyright 1993 Massachusetts Institute of Technology ! ! Permission to use, copy, modify, distribute, and sell this software and ! its documentation for any purpose is hereby granted without fee, provided ! that the above copyright notice appear in all copies and that both that ! copyright notice and this permission notice appear in supporting ! documentation, and that the name of M.I.T. not be used in advertising or ! publicity pertaining to distribution of the software without specific, ! written prior permission. M.I.T. makes no representations about the ! suitability of this software for any purpose. It is provided "as is" ! without express or implied warranty. hpmute_acute :100000A8 hpmute_grave :100000A9 hpmute_asciicircum :100000AA hpmute_diaeresis :100000AB hpmute_asciitilde :100000AC hplira :100000AF hpguilder :100000BE hpYdiaeresis :100000EE hpIO :100000EE hplongminus :100000F6 hpblock :100000FC apLineDel :1000FF00 apCharDel :1000FF01 apCopy :1000FF02 apCut :1000FF03 apPaste :1000FF04 apMove :1000FF05 apGrow :1000FF06 apCmd :1000FF07 apShell :1000FF08 apLeftBar :1000FF09 apRightBar :1000FF0A apLeftBox :1000FF0B apRightBox :1000FF0C apUpBox :1000FF0D apDownBox :1000FF0E apPop :1000FF0F apRead :1000FF10 apEdit :1000FF11 apSave :1000FF12 apExit :1000FF13 apRepeat :1000FF14 hpModelock1 :1000FF48 hpModelock2 :1000FF49 hpReset :1000FF6C hpSystem :1000FF6D hpUser :1000FF6E hpClearLine :1000FF6F hpInsertLine :1000FF70 hpDeleteLine :1000FF71 hpInsertChar :1000FF72 hpDeleteChar :1000FF73 hpBackTab :1000FF74 hpKP_BackTab :1000FF75 apKP_parenleft :1000FFA8 apKP_parenright :1000FFA9 I2ND_FUNC_L :10004001 I2ND_FUNC_R :10004002 IREMOVE :10004003 IREPEAT :10004004 IA1 :10004101 IA2 :10004102 IA3 :10004103 IA4 :10004104 IA5 :10004105 IA6 :10004106 IA7 :10004107 IA8 :10004108 IA9 :10004109 IA10 :1000410A IA11 :1000410B IA12 :1000410C IA13 :1000410D IA14 :1000410E IA15 :1000410F IB1 :10004201 IB2 :10004202 IB3 :10004203 IB4 :10004204 IB5 :10004205 IB6 :10004206 IB7 :10004207 IB8 :10004208 IB9 :10004209 IB10 :1000420A IB11 :1000420B IB12 :1000420C IB13 :1000420D IB14 :1000420E IB15 :1000420F IB16 :10004210 DRemove :1000FF00 Dring_accent :1000FEB0 Dcircumflex_accent :1000FE5E Dcedilla_accent :1000FE2C Dacute_accent :1000FE27 Dgrave_accent :1000FE60 Dtilde :1000FE7E Ddiaeresis :1000FE22 osfCopy :1004FF02 osfCut :1004FF03 osfPaste :1004FF04 osfBackTab :1004FF07 osfBackSpace :1004FF08 osfClear :1004FF0B osfEscape :1004FF1B osfAddMode :1004FF31 osfPrimaryPaste :1004FF32 osfQuickPaste :1004FF33 osfPageLeft :1004FF40 osfPageUp :1004FF41 osfPageDown :1004FF42 osfPageRight :1004FF43 osfActivate :1004FF44 osfMenuBar :1004FF45 osfLeft :1004FF51 osfUp :1004FF52 osfRight :1004FF53 osfDown :1004FF54 osfPrior :1004FF55 osfNext :1004FF56 osfEndLine :1004FF57 osfBeginLine :1004FF58 osfEndData :1004FF59 osfBeginData :1004FF5A osfPrevMenu :1004FF5B osfNextMenu :1004FF5C osfPrevField :1004FF5D osfNextField :1004FF5E osfSelect :1004FF60 osfInsert :1004FF63 osfUndo :1004FF65 osfMenu :1004FF67 osfCancel :1004FF69 osfHelp :1004FF6A osfSelectAll :1004FF71 osfDeselectAll :1004FF72 osfReselect :1004FF73 osfExtend :1004FF74 osfRestore :1004FF78 osfSwitchDirection :1004FF7E osfPriorMinor :1004FFF5 osfNextMinor :1004FFF6 osfRightLine :1004FFF7 osfLeftLine :1004FFF8 osfDelete :1004FFFF SunFA_Grave :1005FF00 SunFA_Circum :1005FF01 SunFA_Tilde :1005FF02 SunFA_Acute :1005FF03 SunFA_Diaeresis :1005FF04 SunFA_Cedilla :1005FF05 SunF36 :1005FF10 SunF37 :1005FF11 SunSys_Req :1005FF60 SunProps :1005FF70 SunFront :1005FF71 SunCopy :1005FF72 SunOpen :1005FF73 SunPaste :1005FF74 SunCut :1005FF75 SunPowerSwitch :1005FF76 SunAudioLowerVolume :1005FF77 SunAudioMute :1005FF78 SunAudioRaiseVolume :1005FF79 SunVideoDegauss :1005FF7A SunVideoLowerBrightness :1005FF7B SunVideoRaiseBrightness :1005FF7C SunPowerSwitchShift :1005FF7D SunCompose :FF20 SunPageUp :FF55 SunPageDown :FF56 SunPrint_Screen :FF61 SunUndo :FF65 SunAgain :FF66 SunFind :FF68 SunStop :FF69 SunAltGraph :FF7E WYSetup :1006FF00 ncdSetup :1006FF00 XeroxPointerButton1 :10070001 XeroxPointerButton2 :10070002 XeroxPointerButton3 :10070003 XeroxPointerButton4 :10070004 XeroxPointerButton5 :10070005 usldead_acute :100000A8 usldead_grave :100000A9 usldead_diaeresis :100000AB usldead_asciicircum :100000AA usldead_asciitilde :100000AC usldead_cedilla :1000FE2C usldead_ring :1000FEB0