Re: RFC: propagate the indentation of the actions

[Paul Eggert]

On 6/12/19 10:48 PM, Akim Demaille wrote:
> I do not see how I could help the compiler produce accurate diagnostics: 
> there's no #column (or better, _Pragma) that I know of, that we could use to 
> insert accurate location information within the line.

If the generated token's column is too small, can't you output white 
space to make it large enough; and if it's too large, can't you output a 
newline, the same "#line" directive as before, and you're back to column 
1 so you can now output white space to make the column large enough?