Thanks, Alan, that's sweet, I had actually started from the one in the Io project source. There are a few changes that I could add back from what I was working on (like adding 'then', 'else', ''elseif' to keyword.control.io) if you'd be interested.
Now, fire up the moon.
John
On Feb 17, 2006, at 7:26 PM, Allan Odgaard wrote:
On 17/2/2006, at 21:58, John Clayton wrote:
I'm working on a grammar for Io [...]
There actually already is an Io bundle at the repository [1] (you need svn to check it out).
[...] I'd like to have the same behavior for parens as one gets for braces, but I can't seem to locate where this is enacted.
The current Io bundle does this. For the records though, the way it is achieved is by having the language grammar match empty parenthesis and have it assign a scope name to that construct (for example meta.empty-parenthesis.io).
What this then allows us is to overload keys when the caret is inside empty parenthesis, by for example using scope selector source.io meta.empty-parenthesis.io.
If you look at the existing Io bundle, you will see that there is a snippet with this scope, key equivalent set to return, and the body of the snippet is: “\n\t$0\n”, which is the sequence of text we want to have inserted, when pressing return inside empty parenthesis.
[1] http://anon:anon@macromates.com/svn/Bundles/trunk/Bundles/ Io.tmbundle/
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