程劭非 wrote: > Thank you for the comments. > > There might be no normative significance but I mean there is no way to > put the "Literal" production in a lexer. If a lexer produce token with > type ”Literal“, syntactical parser will not be able to decide to use > it as a ”Literal“ or a ”StringLiteral“.
Good point. > > So I think keeping this rule in current location might confuse the > ones who want to implement this spec. Agreed. /be > > Thanks, > Shaofei Cheng > > 2012/2/28 Brendan Eich <bren...@mozilla.org <mailto:bren...@mozilla.org>> > > Indeed this has come up before: > > https://mail.mozilla.org/pipermail/es5-discuss/2011-January/003900.html > > No one replied then, alas. > > There's no normative significance, as Michael Dyck conjectured. It > seems we could move Literal. Perhaps Waldemar or Allen has a > preference. At this point I am ok with letting the traditional > location of Literal stand. > > /be > > 程劭非 wrote: > > Hi, everyone, > > I'm working a on ES parser recently and noticed something > might be wrong about the symbol “Literal”. > > Since “Literal” and “StringLiteral" "NumericLiteral" appears > in lexical grammar , I believe “Literal” should be a > non-terminal symbol. Also there is no other rule using > “Literal” in lexical grammar. As all above I think the > following description is a syntactical grammar rule instead of > a lexical grammar rule: > /Literal /*:: > ***/NullLiteral/ > > /BooleanLiteral > NumericLiteral > StringLiteral/ > /RegularExpressionLiteral/ > > > So my suggest is moving the description from Annex A.1 to > Annex A.3 > > > > Thanks, > Shaofei Cheng > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org <mailto:es-discuss@mozilla.org> > https://mail.mozilla.org/listinfo/es-discuss > > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
