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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Update this, we're a newer version of the byte compiler.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 | 0784d089fdc9 |
| children | aa729daae5e2 |
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2000-09-12 William M. Perry <wmperry@aventail.com> * dialog-gtk.el (popup-builtin-open-dialog): Went back to using our lisp implementation of the file dialog. Much more featureful. * ui/gtk-file-dialog.el: Reworked to use CList instead of Tree elements (more like the `real' GTK file selector. 2000-09-10 William M. Perry <wmperry@aventail.com> * gtk-iso8859-1.el (gtk-iso8859-1): Need to actually provide the feature 2000-09-09 William M. Perry <wmperry@aventail.com> * dialog-gtk.el (popup-builtin-open-dialog): Guard against calling gtk-main-quit too many times when destroying the file-selection dialog. 2000-09-08 William M. Perry <wmperry@aventail.com> * gtk-init.el (gtk-initialize-compose): Initialize the compose map like X does. 2000-09-03 William M. Perry <wmperry@aventail.com> * menubar-items.el (default-menubar): Include the font & size menus when running under GTK. * gtk-faces.el (x-font-regexp-*): Added variable aliases for the x-font-regexp-* variables. x-font-menu works now. * x-font-menu.el (font-menu-set-font): When setting the font, make sure we don't set the type to 'x' blithely. This code is shared with GTK now. 2000-08-30 William M. Perry <wmperry@aventail.com> * dialog-gtk.el (popup-builtin-open-dialog): Signal 'quit' if the user hits the cancel button. This gets rid of the 'wrong type argument: stringp, nil' error. 2000-08-28 William M. Perry <wmperry@aventail.com> * menubar-items.el (default-menubar): Disable the GTK font menu item. * dialog-gtk.el (popup-builtin-open-dialog): Reimplemented the file-open dialog to use the normal GTK selector. 2000-07-26 William M. Perry <wmperry@aventail.com> * gtk-init.el (init-post-gtk-win): Define the mule-fonts specifier tag and default fonts for it when mule is provided. This will make x-symbol.el work. 2000-07-24 William M. Perry <wmperry@aventail.com> * ui/gdk.el: Ditto. * ui/gnome-widgets.el: Ditto. * ui/gtk-widgets.el: Updated all gtk-import-function calls to pass a symbol instead of a quoted string. * ui/gtk-ffi.el (gtk-import-variable): Make gtk-import-variable able to take symbols instead of just strings. More consistent with gtk-import-function this way. 2000-07-22 William M. Perry <wmperry@aventail.com> * gtk-init.el (init-pre-gtk-win): Did not realize I had to do lisp hackery to get '-unmapped' to work. 2000-07-12 William M. Perry <wmperry@aventail.com> * ui/gtk-widgets.el (gtk-ctree-post-recursive): (gtk-ctree-post-recursive-to-depth): (gtk-ctree-pre-recursive): (gtk-ctree-pre-recursive-to-depth): Added wrappers around the combined gtk-ctree-recurse to make things easier on GTK authors porting other code. 2000-07-11 William M. Perry <wmperry@aventail.com> * gtk-init.el (init-gtk-win): Set gtk-initial-geometry out of command-line-args-left. (gtk-filter-arguments): New function to filter out only GTK/GNOME approved command line arguments. (init-gtk-win): Set gtk-initial-argv-list by filtering it. This way we get session management/etc from GNOME. 2000-07-07 William M. Perry <wmperry@aventail.com> * gtk-faces.el (gtk-init-global-faces): Make sure to pass in a GTK device (any GTK device) try-font-name when initializing the global faces or it gets confused and cannot find a font, so the code in faces.el ends up setting device-specific faces, which are hard (or at least non-obvious) for users to work around. 2000-07-01 William M. Perry <wmperry@aventail.com> * ui/gtk-widgets.el (GtkType): Added GtkCTree finally. * ui/gtk-ffi.el (gtk-ffi-check-function): New function that will try to call a newly defined FFI function and report on whether we need to define any new marshallers for it. (gtk-ffi-debug): If non-nil, then we will check ALL functions that come through gtk-import-function. All existing imported functions have been checked, and a few missings ones were added. * ui/glade.el: New file to import libglade functions. 2000-06-30 William M. Perry <wmperry@aventail.com> * ui/gdk.el: Added most of the GDK drawing primitives. 2000-06-27 William M. Perry <wmperry@aventail.com> * ui/gtk-widgets.el: Import gtk-major-version, gtk-minor-version, gtk-micro-version, gtk-interface-age, and gtk-binary-age. * ui/gtk-ffi.el (gtk-import-variable): New macro to import a variable. Needed to do it as a function, otherwise you could not byte compile / dump the file in a non-windowed XEmacs. 2000-06-23 William M. Perry <wmperry@aventail.com> * menubar-items.el (default-menubar): Disable make-frame-on-display if the function is not available. 2000-06-02 William M. Perry <wmperry@aventail.com> * gtk-mouse.el (gtk-init-pointers): Make sure we set a toolbar pointer. Looked kind of silly to have the 'xterm' cursor in there by default. 2000-06-01 William M. Perry <wmperry@aventail.com> * ui/gtk-widgets.el: Imported GtkStatusbar * ui/gtk-marshal.el (define-marshaller): All marshalling functions are now static. * ui/gtk-marshal.el: Now outputs a function to populate a hashtable with mappings from function name -> function pointer. Also emits the find_marshaller () function that looks at this hashtable. 2000-05-29 William M. Perry <wmperry@aventail.com> * ui/gtk-ffi.el (gtk-import-function): Allow passing in of a symbol for the function name, as well as a string. * ui/gtk-widgets.el: Import the GtkSpinButton widget. 2000-05-26 William M. Perry <wmperry@aventail.com> * ui/gtk-ffi.el (gtk-import-function): Rewrote as a macro so that teh file can be safely byte-compiled. Argument values no longer need to be quoted, and the function is not actually imported until the function is called. Should save even more on loadup time. (gtk-import-function): Do not defvar `lisp-name' - put the FFI object on the symbols plist. Makes the lisp variable namespace that much cleaner. * ui/gtk-widgets.el: New uber-file containing all the GTK imported functions. Load time is significantly faster than requiring ~90 different (usually 5 line) .el files, and polluting the 'features' variable. 2000-05-23 William M. Perry <wmperry@aventail.com> * ui/gtk-widget-accessors.el (define-widget-accessors): Fixed bogus handling of GTkListOfString and GtkListOfObject slots. These need to have the FULL type, not the fundamental type. And _POINTER was just plain wrong for them - cause beautiful crashes on linux. :) * gtk-faces.el (gtk-choose-font): New function to change fonts based on a GTK font selection dialog. * menubar-items.el (default-menubar): Only show the font/size submenus when we are in an X frame. (default-menubar): Show a gtk-specific item when on GTK frames. * ui/gtk-marshal.el (define-marshaller): We need to special case anything with FLOAT in the argument list or the parameters get screwed up royally. 2000-05-21 William M. Perry <wmperry@aventail.com> * ui/gtk-file-dialog.el (gtk-file-dialog-fill-file-list): New file dialog that is actually useful and much prettier than the default GTK one. 2000-05-20 William M. Perry <wmperry@aventail.com> * ui/gtk-ffi.el (gtk-import-function): Auto-run gnome-*-get-type routines as well as the gtk-*-get-type ones. * minibuf.el (mouse-read-file-name-1): Now tries to use the new builtin dialog spec ben wrote about. Uses the GTK file selection dialog. We should be able to come up with something much sexier though - the default dialog box for GTK sucks hard. 2000-05-17 William M. Perry <wmperry@aventail.com> * gtk-faces.el (gtk-init-device-faces): Make use of the extended return values of gtk-style-info. Set the 'highlight' face to look like GTK_STATE_PRELIGHT and 'zmacs-region' to be GTK_STATE_SELECTED. Unfortunately these two faces will not automatically be updated because they are not exposed to lisp like Vdefault_face and friends. 2000-05-16 William M. Perry <wmperry@aventail.com> * gtk-faces.el (gtk-init-device-faces): Removed a whole bunch of face munging that is now done down in the guts of the GtkXEmacs widget. * gnuserv.el (gnuserv-edit-files): Handle GTK devices. * ui/gtk-ffi.el (gtk-import-function): Make this a noop if noninteractive. This allows us to compile the files during the make process. 2000-05-10 William M. Perry <wmperry@aventail.com> * dialog-gtk.el: New file implementing popup dialogs in Lisp using GTK primitives. Called from dialog-gtk.c * dumped-lisp.el (preloaded-file-list): Make sure we load up menubar-items under GTK. (preloaded-file-list): Load up dialog-gtk when using GTK. 2000-05-08 William M. Perry <wmperry@aventail.com> * ui/gtk-widget-accessors.el (define-widget-accessors): New file to define C functions that go into ../../src/emacs-widget-accessors.c. This is a hack to get around the lack of accessor/settor functions in GTK for a LOT of things that are required for full functionality (like dialogs) 2000-05-07 William M. Perry <wmperry@aventail.com> * gtk-faces.el (gtk-init-face-from-resources): Set the highlight face as well.