Mercurial > hg > octave-avbm
changeset 8747:86cfcf133a19
NEWS update
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 16 Feb 2009 00:09:44 -0500 |
parents | 5dd06f19e9be |
children | d1eed318100f |
files | ChangeLog NEWS |
diffstat | 2 files changed, 69 insertions(+), 36 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2009-02-16 John W. Eaton <jwe@octave.org> + + * NEWS: Mention command-style parsing changes. More updates. + 2009-02-13 John W. Eaton <jwe@octave.org> * NEWS: Update for release.
--- a/NEWS +++ b/NEWS @@ -22,16 +22,17 @@ ** New graphics functions: - addlistener dellistener ezsurf ishghandle - addproperty ezcontour ezsurfc linkprop - allchild ezcontourf findall plotmatrix - available_backends ezmesh gcbf refresh - backend ezmeshc gcbo refreshdata - cla ezplot ginput surfl - clabel ezplot3 gtext waitforbuttonpress - comet ezpolar intwarning + addlistener diffuse ezsurfc plotmatrix + addproperty ezcontour findall refresh + allchild ezcontourf gcbf refreshdata + available_backends ezmesh gcbo specular + backend ezmeshc ginput surfl + cla ezplot gtext waitforbuttonpress + clabel ezplot3 intwarning + comet ezpolar ishghandle + dellistener ezsurf linkprop - ** Improvements to the debugger. +** Improvements to the debugger. The interactive debugging features have been improved. Stopping on statements with dbstop should work correctly now. Stepping @@ -88,21 +89,50 @@ See the Octave manual for more details. + ** Parsing of Command-style Functions. + + Octave now parses command-style functions without needing to first + declare them with "mark_as_command". The rules for recognizing a + command-style function calls are + + * A command must appear as the first word in a statement, + followed by a space. + + * The first character after the space must not be '=' or '(' + + * The next token after the space must not look like a binary + operator. + + These rules should be mostly compatible with the way Matlab parses + command-style function calls and allow users to define commands in + .m files without having to mark them as commands. + + Note that previous versions of Octave allowed expressions like + + x = load -text foo.dat + + but an expression like this will now generate a parse error. In + order to assign the value returned by a function to a variable, + you must use the normal function call syntax: + + x = load ("-text", "foo.dat"); + ** Block comments. - Commented code can be between matching "%{" and "%}" markers, even - if the commented code spans several line. This allows blocks code - to be commented, without needing to comment each line. For - example, + Commented code can be between matching "#{" and "#}" or "%{" and + "%}" markers, even if the commented code spans several line. This + allows blocks code to be commented, without needing to comment + each line. For example, - function y = func (x) - y = 2 * x; - %{ - y += 1; - %} + function [s, t] = func (x, y) + s = 2 * x; + #{ + s *= y; + t = y + x; + #} endfunction - the line "y += 1;" will not be executed. + the lines "s *= y;" and "t = y + x" will not be executed. ** The Control, Finance and Quaternion functions have been removed. @@ -226,22 +256,21 @@ ** Other miscellaneous new functions. - addtodate interp1q rectint - bicgstab isdebugmode regexptranslate - cgs isfloat restoredefaultpath - command_line_path isstrprop roundb - contrast log1p rundemos - convn lsqnonneg runlength - datetick matlabroot saveobj - display namelengthmax spaugment - expm1 nargoutchk strchr - filemarker pathdef strvcat - fstat perl subspace - full prctile symvar - fzero quantile treelayout - genvarname re_read_readline_init_file validatestring - hypot reallog which - idivide realpow - info realsqrt + addtodate info realpow + bicgstab interp1q realsqrt + cgs isdebugmode rectint + command_line_path isfloat regexptranslate + contrast isstrprop restoredefaultpath + convn log1p roundb + datetick lsqnonneg rundemos + display matlabroot runlength + expm1 namelengthmax saveobj + filemarker nargoutchk spaugment + fstat pathdef strchr + full perl strvcat + fzero prctile subspace + genvarname quantile symvar + hypot re_read_readline_init_file treelayout + idivide reallog validatestring See NEWS.3 for old news.