#sourceLocation?

[dabrahams]

It would be really helpful if you could insert #sourceLocation directives corresponding to the #line directives in a lemon-generated parser. There are some annoying restrictions on where you can put them in Swift, but it should work to put one before each generated parse action function, I think.

[roop]

That's a great idea. I'll try to implement it in the next few days.

[dabrahams]

bump! Would really love this if possible.

[roop]

@dabrahams Instead of adding the #sourceLocation before the function, it's added as the first line inside the function (so that the citron-generated function signature is not attributed to the grammar file).

[dabrahams]

You are awesome! I know this is gonna make my development much better!

[dabrahams]

Instead of adding the #sourceLocation before the function, it's added as the first line inside the function (so that the citron-generated function signature is not attributed to the grammar file).

This works great unless you happen to leave the body of the function empty, in which case the error ends up pointing at the signature of the function in the grammar file. Just FWIW.