3 ms·

This is just what I've been looking for! I've been searching for this and see there are commands for navigating s expressions but I haven't found this example.

This is just what I've been looking for! I've been searching for this and see there are commands for navigating s expressions but I haven't found this example. Is this a built-in command? Is there name for this action?

TeMPOraL 8y ago
There are some built-in commands in Emacs for navigating, cutting and transposing s-exps, but what you want is probably a step further - a package like Paredit[0], that gives you much more sexp-specific actions, and automatically keeps parens balanced for you. See animated examples at [1] and a cheat sheet at [2]. There isn't, as far as I know, a default keybinding for what GP did - navigate up the SEXP, wrap in parens and place point before the inner SEXP. You can get very close to it with two steps: paredit-backward-up [C-M-u] and paredit-wrap-round [M-(], though it gets confused by the hanging quote a bit. To demonstrate on GP's example: '(some data|) '|(some data) ; after C-M-u '(|(some data)) ; after M-( So the quote is in a wrong place. You could probably whip a command doing OP's thing that calls paredit-backward-up and paredit-wrap-round, with a conditional that backs up a few chars if it detects a piece of syntactic sugar attached to the SEXP (quote, quasiquote, comma, reader macro invocation). Somebody has likely already done it, or maybe there is a less known Paredit command for that - I don't know. If anyone does, please chime in. Myself, I mostly use wrapping, barfing and slurping. -- [0] - Available in Emacs' package manager on MELPA, or here: https://github.com/emacsmirror/paredit https://github.com/emacsmirror/paredit. [1] - http://danmidwood.com/content/2014/11/21/animated-paredit.html http://danmidwood.com/content/2014/11/21/animated-paredit.ht... [2] - https://github.com/joelittlejohn/paredit-cheatsheet https://github.com/joelittlejohn/paredit-cheatsheet

TeMPOraL 8y ago

There are some built-in commands in Emacs for navigating, cutting and transposing s-exps, but what you want is probably a step further - a package like Paredit[0], that gives you much more sexp-specific actions, and automatically keeps parens balanced for you. See animated examples at [1] and a cheat sheet at [2]. There isn't, as far as I know, a default keybinding for what GP did - navigate up the SEXP, wrap in parens and place point before the inner SEXP. You can get very close to it with two steps: paredit-backward-up [C-M-u] and paredit-wrap-round [M-(], though it gets confused by the hanging quote a bit. To demonstrate on GP's example: '(some data|) '|(some data) ; after C-M-u '(|(some data)) ; after M-( So the quote is in a wrong place. You could probably whip a command doing OP's thing that calls paredit-backward-up and paredit-wrap-round, with a conditional that backs up a few chars if it detects a piece of syntactic sugar attached to the SEXP (quote, quasiquote, comma, reader macro invocation). Somebody has likely already done it, or maybe there is a less known Paredit command for that - I don't know. If anyone does, please chime in. Myself, I mostly use wrapping, barfing and slurping. -- [0] - Available in Emacs' package manager on MELPA, or here: https://github.com/emacsmirror/paredit https://github.com/emacsmirror/paredit. [1] - http://danmidwood.com/content/2014/11/21/animated-paredit.html http://danmidwood.com/content/2014/11/21/animated-paredit.ht... [2] - https://github.com/joelittlejohn/paredit-cheatsheet https://github.com/joelittlejohn/paredit-cheatsheet