[antlr-interest] antlr v4 wish list

[Terence Parr]

added

* Tokens and Trees should both know their start/stop line, start/stop char position to make IDEs easier.

Ter
On Mar 23, 2011, at 2:17 PM, Matt Fowles wrote:

> Terence~
> 
> Better location management.
> 
> Tokens and Trees should both have methods for:
> 
> getStartLine()
> getEndLine()
> getStartCharPosition()
> getEndCharPosition()
> 
> Trees should base them on the tokens that they include.  Synthetic
> tokens should get them from the original token or the full production
> they match when no original token is provide.  This is especially
> useful for IDEs that do several layers of rewrite before they produce
> an error, as it can be difficult to match the positions exactly if
> things like desugaring have happened before an error is produced.
> 
> The methods for end position are important as IDEs use that to figure
> out how far to draw the squiggle.
> 
> Matt
> 
> On Tue, Mar 22, 2011 at 5:45 PM, Terence Parr <parrt at cs.usfca.edu> wrote:
>> Howdy, I'm going to start augmenting ANTLR v3 significantly to create v4. The goal is backward compatibility; any new functionality, of course, will require altering or augmenting your grammars to take advantage of it. Here is my potential list of updates:
>> 
>> http://www.antlr.org/wiki/display/ANTLR4/ANTLR+v4+Wish+list
>> 
>> Anything to add or comment on?
>> 
>> Ter
>> 
>> List: http://www.antlr.org/mailman/listinfo/antlr-interest
>> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>> 
> 
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address