[Haskell-cafe] Layout styles and EclipseFP evolution.
John D. Ramsdell
ramsdell0 at gmail.com
Sat Dec 18 05:23:45 CET 2010
Note to community. Design the syntax of a language to support auto
indenting. Don't make me repeatedly hit the tab key.
On Thu, Dec 16, 2010 at 8:48 PM, Scott Michel <scooter.phd at gmail.com> wrote:
> Disclaimer: I'm not looking to start a favorite IDE flame war, or resurrect
> Emacs vs. VIM vs. Yi vs. <insert your favorite IDE here> discussions.
> I've been helping JP with EclipseFP, with the objective of evolving
> EclipseFP into a relatively high productivity IDE for Haskell. EclipseFP
> has the potential to mature into a reasonable platform for making routine
> coding easy, e.g., a HAppStack plugin that makes writing web apps in Haskell
> just as easy as it is for the Java community to write web services.
> I've just added Haskell code templates (*) to EclipseFP and, in the process,
> encountered the distinct lack of layout autoindentation. I'm sure it used to
> exist, but it doesn't exist today. I've looked at the Emacs haskell-mode.el
> indentation style, which I'm inclined to port over.
> Are there other layout autoindentation styles that other people prefer and
> believe should be supported?
> (*) The current development version supports templates like
> "let<Ctrl+Space>" and you get a let expression inserted. Eventually, if you
> were to type "case<Ctrl+Space>" and you tab out of the expression between
> "case" and "of", you would get the data type's alternatives inserted.
> (**) Don S told me that a similar "case" autocompletion exists in another
> IDE. Yes, EclipseFP is just catching up.
> (***) Wishlist: An incremental parser that can accept document
> changes/deltas and can look backward from the current point to give better
> context for completions, e.g., the previous token before the editor's point
> is "import".
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