[TxMt] Re: Combined diff and source code highlighting

[Jacob Carlborg]

On 2015-01-19 03:27, Allan Odgaard wrote:

> I don’t understand you here.
>
> The problem is that TextMate grammars have nested rules that will match
> constructs that span multiple lines. Take e.g. this:
>
>       1  --- test.cc (saved version)
>       2  +++ (current document)
>       3  @@ -1,6 +1,6 @@
>       4   int main (int argc, char const* argv[])
>       5   {
>       6  -       for(size_t i = 0; i < count; ++i)
>       7  +/*     for(size_t i = 0; i < count; ++i)
>       8                  fprintf(stderr, "%zu\n", i);
>       9  -       return 0;
>      10  +*/     return 0;
>      11   }
>
> How can you use the existing C++ grammar to figure out that line 9
> should not be rendered as commented?

Oh, I see. I guess it can't. It would render everything after the line 
starting with "@@ ..." as C++. If possible, ignoring leading + or -.

> GitHub produces the diff themselves from the two versions of the file,
> so they have the ability to style the two original versions.
>
> TextMate generally just sees the resulting diff file.

Right.

-- 
/Jacob Carlborg