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Yhc/Yhe

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{{Yhc}}
{{Yhc}}
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Yhe is a command-line style tool in the vein of Ghci and Hugs. It consists of a command-line tool, yhe, and a GUI, Gyhe, written using gtk2hs. It was mostly written by [http://www.cs.york.ac.uk/~miked/ Mike Dodds].
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Yhe is a command-line style tool in the vein of Ghci and Hugs. It consists of a command-line tool, yhe, and a GUI, Gyhe, written using [http://www.haskell.org/gtk2hs/gtk2hs Gtk2hs]. It was mostly written by [[User:MikeDodds|Mike Dodds]].
Features of Gyhe:
Features of Gyhe:
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* Syntax-highlighting of input with gtksourceview widget
* Syntax-highlighting of input with gtksourceview widget
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== Todo ==
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== Trying Gyhe ==
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General:
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Gyhe is still very much alpha software - if you need a stable haskell gui, I'd suggest you use [[WinHugs]]. That said, if you want to try Gyhe:
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* Add lazy evaluation - currently we only get a result after the program terminates
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* Ensure that you have the development version of [http://www.haskell.org/gtk2hs/gtk2hs Gtk2hs] installed.
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* Generally the evaluation code needs a lot of work
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* Get the yhc-devel branch of Yhc from darcs, and install it. Please see [[Yhc/Introduction]] for details on how to do this.
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* Change your working directory to yhc-devel/src/interactive/
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* Run 'make gui', and the gyhe executable should be created in yhc-devel/inst/bin/.
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GUI:
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Mac OSX users will have to run an X server to run Gyhe.
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* Put the evaluation code into a thread so that the gui doesn't block while evaluating. ''I've tried this, and the performance advantage is extremely marginal - may be worth while if we implement user interaction with a running process.''
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* Add file URI support to link to a file and load a text editor. ''Currently waiting for a response from the gtk2hs people re: clickable regions in TextView widgets.''
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* Rebuild the icon - the lambda should be centered.
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* Fix the makefile to detect the sourceview widget - at the moment it is always off at compile-time
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Speculative / Moon on a stick:
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Any comments or patches you have would be welcome.
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* Save the pane-divider position between sessions - I don't know if we really want this?
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* Add clickable links into [[Hoogle]]
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* Handle drag-and-drop events from other processes - probably OS dependant
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* Windows version, like WinHugs, using native widgets.
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== Bugs ==
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== Screenshots ==
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* Closing while maximised and then restarting results in a fullscreen non-maximised window
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http://www-users.cs.york.ac.uk/~miked/images/gyhe_screengrab3.png
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== Screenshots ==
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== Todo List ==
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http://www-users.cs.york.ac.uk/~miked/images/gyhe_sceengrab2.jpg
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Sensible short-term aims:
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* Add lazy evaluation - currently we only get a result after the program terminates
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* Add file URI support to link to a file and load a text editor. ''Currently waiting for parsable error messages from the Yhc developers.''
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* Fix the makefile to detect the sourceview widget - at the moment it is always off at compile-time
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http://www-users.cs.york.ac.uk/~miked/images/gyhe_sceengrab1.jpg
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Less sensible longer-term aims:
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* Add clickable links into [[Hoogle]]
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* Handle drag-and-drop events from other processes
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* Add support for other compilers.
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* Windows version, like [[WinHugs]], using native widgets.

Current revision

Part of Yhc

(Download)

Yhe is a command-line style tool in the vein of Ghci and Hugs. It consists of a command-line tool, yhe, and a GUI, Gyhe, written using Gtk2hs. It was mostly written by Mike Dodds.

Features of Gyhe:

  • Single and multi-line input
  • Cross-platform gui (works on Linux, Windows and MacOS)
  • Syntax-highlighting of input with gtksourceview widget

1 Trying Gyhe

Gyhe is still very much alpha software - if you need a stable haskell gui, I'd suggest you use WinHugs. That said, if you want to try Gyhe:

  • Ensure that you have the development version of Gtk2hs installed.
  • Get the yhc-devel branch of Yhc from darcs, and install it. Please see Yhc/Introduction for details on how to do this.
  • Change your working directory to yhc-devel/src/interactive/
  • Run 'make gui', and the gyhe executable should be created in yhc-devel/inst/bin/.

Mac OSX users will have to run an X server to run Gyhe.

Any comments or patches you have would be welcome.

2 Screenshots

gyhe_screengrab3.png

3 Todo List

Sensible short-term aims:

  • Add lazy evaluation - currently we only get a result after the program terminates
  • Add file URI support to link to a file and load a text editor. Currently waiting for parsable error messages from the Yhc developers.
  • Fix the makefile to detect the sourceview widget - at the moment it is always off at compile-time

Less sensible longer-term aims:

  • Add clickable links into Hoogle
  • Handle drag-and-drop events from other processes
  • Add support for other compilers.
  • Windows version, like WinHugs, using native widgets.
Retrieved from "http://www.haskell.org/haskellwiki/Yhc/Yhe"