Yes that's right, when a debugger or an error message says you're on line X and column Y, it deducts the values you specify in the offsets. So if you transform user's code in some form, the error messages can be adjusted to still have the right line numbers and column numbers.
On Fri, 13 Nov 2020 at 00:43, Bit Cortex <bitcor...@gmail.com> wrote: > Thanks, but what's the actual effect of setting the line or column offset > to a nonzero value? > > Based on your description, I'd guess that it might affect stack traces and > possibly debugging. > > Can someone confirm that? Or do I not understand correctly? > > On Wednesday, November 11, 2020 at 5:05:50 PM UTC-5 Ben Noordhuis wrote: > >> On Wed, Nov 11, 2020 at 9:26 PM Bit Cortex <bitc...@gmail.com> wrote: >> > >> > Hello! >> > >> > Could someone describe the purpose of the line and column offset >> properties of v8::ScriptOrigin? What effect do nonzero values have? >> > >> > Thanks! >> >> I believe they're intended to offset IIFEs[1] and other wrappers that >> embedders may want to add around the user's script code. >> >> [https://en.wikipedia.org/wiki/Immediately-invoked_function_expression] >> > -- > -- > v8-users mailing list > v8-users@googlegroups.com > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to v8-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-users/f9f3c898-d022-48d9-b14b-d670731b8008n%40googlegroups.com > <https://groups.google.com/d/msgid/v8-users/f9f3c898-d022-48d9-b14b-d670731b8008n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/CABexdQ5hh4Ez1yMvcMNBT%2BMHxKangM6qr8Oi8M7SH%3D_RDtq5rQ%40mail.gmail.com.
