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view lwlib/xlwradio.h @ 5566:4654c01af32b
Improve the implementation, documentation of #'labels, #'flet.
lisp/ChangeLog addition:
2011-09-07 Aidan Kehoe <kehoea@parhasard.net>
* bytecomp.el:
* bytecomp.el (for-effect): Move this earlier in the file, it's
referenced in byte-compile-initial-macro-environment.
* bytecomp.el (byte-compile-initial-macro-environment):
In the byte-compile-macro-environment definition for #'labels, put
off the compiling the lambda bodies until the point where the rest
of the form is being compiled, allowing the lambda bodies to
access appropriate values for byte-compile-bound-variables, and
reducing excessive warning about free variables.
Add a byte-compile-macro-environment definition for #'flet. This
modifies byte-compile-function-environment appropriately, and
warns about bindings of functions that have macro definitions in
the current environment, about functions that have byte codes, and
about functions that have byte-compile methods (which may not do
what the user wants at runtime).
* bytecomp.el (byte-compile-funcall):
If FUNCTION is constant, call #'byte-compile-callargs-warn if
that's appropriate, giving warnings about problems with calling
functions bound with #'labels.
* cl-macs.el:
* cl-macs.el (flet):
Mention the main difference from Common Lisp, that the bindings
are dynamic, not lexical. Counsel the use of #'labels, not #'flet,
for this and other reasons. Explain the limited single use case for
#'flet. Cross-reference to bytecomp.el in a comment.
* cl-macs.el (labels):
Go into detail on which functions may be called from
where. Explain how to access the function definition of a label
within FORM. Add a comment cross-referencing to bytecomp.el.
man/ChangeLog addition:
2011-09-07 Aidan Kehoe <kehoea@parhasard.net>
* cl.texi (Function Bindings):
Move #'labels first, describe it in more detail, explaining that
it is to be preferred over #'flet, and explaining why.
Explain that dynamic bindings with #'flet will also not work when
functions are accessed through their bytecodes.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Wed, 07 Sep 2011 16:26:45 +0100 |
| parents | 308d34e9f07d |
| children |
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/* Radio Widget for XEmacs. Copyright (C) 1999 Edward A. Falk This file is part of XEmacs. XEmacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. XEmacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ /* Synched up with: Radio.h 1.1 */ /* * Radio.h - Radio button widget * * Author: Edward A. Falk * falk@falconer.vip.best.com * * Date: June 30, 1997 */ #ifndef _XawRadio_h #define _XawRadio_h /*********************************************************************** * * Radio Widget * * The Radio widget is identical to the Toggle widget in behavior but * not in appearance. The Radio widget looks like a small diamond * shaped button to the left of the label. * ***********************************************************************/ #include ATHENA_Toggle_h_ /* Resources: Name Class RepType Default Value ---- ----- ------- ------------- radioGroup RadioGroup Widget NULL radioData RadioData Pointer (XPointer) Widget state State Boolean Off background Background Pixel XtDefaultBackground bitmap Pixmap Pixmap None border BorderColor Pixel XtDefaultForeground borderWidth BorderWidth Dimension 1 callback Callback Pointer NULL cursor Cursor Cursor None destroyCallback Callback Pointer NULL font Font XFontStructx* XtDefaultFont foreground Foreground Pixel XtDefaultForeground height Height Dimension text height highlightThickness Thickness Dimension 2 insensitiveBorder sensitive Pixmap Gray internalHeight Height Dimension 2 internalWidth Width Dimension 4 justify Justify XtJustify XtJustifyCenter label Label String NULL mappedWhenManaged MappedWhenManaged Boolean True resize Resize Boolean True sensitive Sensitive Boolean True width Width Dimension text width x Position Position 0 y Position Position 0 */ /* * These should be in StringDefs.h but aren't so we will define * them here if they are needed. */ extern WidgetClass radioWidgetClass; typedef struct _RadioClassRec *RadioWidgetClass; typedef struct _RadioRec *RadioWidget; /************************************************************ * * Public Functions * ************************************************************/ #endif /* _XawRadio_h */