Hi Hans, > Le 27 sept. 2021 à 20:54, Hans Åberg <haber...@telia.com> a écrit : > > In order to generate better syntax error messages writing out the input line > with the error and a line with a marker underneath, I thought of checking how > Bison does it, but I could not find the place in its sources. —Specifically, > a suggestion is to tweak YY_INPUT in the lexer to buffer one input line at a > time, but Bison does not seem to do that.
No, I keep track of the byte offset in the file, and print from the file, which I reopen to quote the source. Almost everything is in src/location.[ch]. It is location_caret that quotes the input file and underline the error's location.
