# HG changeset patch
# User Rik <rik@octave.org>
# Date 1471368551 25200
# Node ID 7cd75d61bbae9db68c34b9adabad12d74a050b3f
# Parent  533c3c4059a3be8fb412ba622e5c1cdd2c1a2a99
dump_demos.m: Handle in-place operators like += for Matlab.

* dump_demos.m: Use regexprep to replace "A OP= B" with "A = A OP B".

diff -r 533c3c4059a3 -r 7cd75d61bbae scripts/testfun/private/dump_demos.m
--- a/scripts/testfun/private/dump_demos.m	Tue Aug 16 10:07:34 2016 -0700
+++ b/scripts/testfun/private/dump_demos.m	Tue Aug 16 10:29:11 2016 -0700
@@ -211,6 +211,7 @@
   ## Fix the format specs for the errorbar demos changed by the line above
   code = strrep (code, "%r", "#r");
   code = strrep (code, "%~", "#~");
+
   ## Shorten all long forms of endXXX to 'end'
   endkeywords = {"endfor", "endfunction", "endif", "endwhile", "end_try_catch"};
   for k = 1:numel (endkeywords)
@@ -221,6 +222,8 @@
   for k = 1:numel (commentkeywords)
     code = strrep (code, commentkeywords{k}, ["%" commentkeywords{k}]);
   endfor
+  ## Fix in-place operators
+  code = regexprep (code, '(\S+)(\s*)(.?[+-/*])=', '$1 = $1 $3');
 
 endfunction