The Racket repository
0264d3d5ad
Specifically, when a style change happens that ends up not changing the size of anything, then track that lack of size change enough to be able to avoid calling on-reflow. This is important for the interaction between the colorer and the search bubbles in DrRacket. That is, when you make an edit that causes the colorer to have lots of work, then each chunk of work it does before yielding control to the event loop would also trigger a call to on-reflow, which would cause the search bubbles to recompute their sizes. Overall, the main bad thing this does is cause lots of allocation and aside from that it doesn't hurt interactivity. Still, there is a lot of useless work here, and those extra GCs can be pretty substantial when you're doing something crazy like searching for " " in a big file.... (there are 95k spaces in unit.rkt, in case you were curious) |
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| README | ||
The Racket programming language =============================== Important executables: * DrRacket: Racket's integrated development environment (start here!). * Racket: the main command-line entry point for running racket programs and scripts. * GRacket: the GUI-mode Racket executable. * raco: Racket's command-line toolset. More Information ---------------- Racket comes with extensive documentation: use DrRacket's `Help' menu, or run `raco docs'. Also, visit us at http://racket-lang.org/ for more Racket resources. Instructions for building Racket from source are in src/README. License ------- Racket Copyright (c) 2010-2012 PLT Scheme Inc. Racket is distributed under the GNU Lesser General Public License (LGPL). This means that you can link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify Racket; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular means that you must release the source code for the modified software. See doc/release-notes/COPYING.txt for more information.