On Thu, Dec 12, 2019 at 4:40 PM Hans Åberg <[email protected]> wrote:
> > > On 12 Dec 2019, at 22:32, Freeman Gilmore <[email protected]> > wrote: > > > >> On Thu, Dec 12, 2019 at 3:01 PM Hans Åberg <[email protected]> wrote: > >> > >> > On 12 Dec 2019, at 14:01, Freeman Gilmore <[email protected]> > wrote: > >> > > >> > I would like to understand how it work, if i can. > >> > >> There is a lexer generated from a file lexer.ll by Flex, which divides > the input stream into tokens, which are handed over to a parser generated > from a file parser.yy by Bison. > > > > 0k that helps. The lexer looks like what i an looking for I think at > this point; and from what you said. I have the lexer.ll, parser.yy and > ly_grammar.txt files. Now I need to finger out what part of the lexer > code reads the note event. > > Check out the Bison manual, which also has a C++ calculator example with > sources in the distribution. One can generate a file .output from the .yy > file which contains all processing of the grammar would it be needed. Use > flex 2.5.37, because the C++ lexer in 2.6* is broken. > I do not know if i can do this but I will look in to it. Flex is new to me today. . Thank you, ƒg
