RE: ES4 draft last call: line continuation in string and regexliterals
OK. I'll make a brief annotation on the proposal page about left-to-right interpretation so that we can move on and say that we've accepted the proposal; when the grammar is later written up there should be no room for confusion about what the intent of this proposal was. --lars > -Original Message- > From: Waldemar Horwat [mailto:[EMAIL PROTECTED] > Sent: 12. mars 2008 18:57 > To: Jeff Dyer > Cc: Lars Hansen; es4-discuss Discuss > Subject: Re: ES4 draft last call: line continuation in string > and regexliterals > > Jeff Dyer wrote: > > Waldemar, can you suggest a fix? > > The correct fix is to add the relevant productions to the > lexer grammar. It's fairly straightforward in the string > literal grammar. It's painful in the regexp grammar. > > Waldemar > ___ Es4-discuss mailing list Es4-discuss@mozilla.org https://mail.mozilla.org/listinfo/es4-discuss
Re: ES4 draft last call: line continuation in string and regexliterals
Jeff Dyer wrote: > Waldemar, can you suggest a fix? The correct fix is to add the relevant productions to the lexer grammar. It's fairly straightforward in the string literal grammar. It's painful in the regexp grammar. Waldemar ___ Es4-discuss mailing list Es4-discuss@mozilla.org https://mail.mozilla.org/listinfo/es4-discuss
RE: ES4 draft last call: line continuation in string and regexliterals
> -Original Message- > From: [EMAIL PROTECTED] [mailto:es4-discuss- > [EMAIL PROTECTED] On Behalf Of Waldemar Horwat > Sent: Monday, March 10, 2008 6:29 PM > To: Lars Hansen > Cc: es4-discuss Discuss > Subject: Re: ES4 draft last call: line continuation in string and > regexliterals > > Lars Hansen wrote: > >>> The character sequence BACKSLASH (where > >>> will be one of the characters LF, LS, or PS) is > >>> removed from string literals delimited by either single or triple > >>> SINGLEQUOTE or DOUBLEQUOTE characters. (Triple-quoting is > >> defined in > >>> [5].) > >> This states that: > >> > >> "abc\\ > >> tde" > >> > >> evaluates to the string "abcde". > >> > >> Is this really what we want? I'd find such nested escape > >> sequences really strange. > > > > That looks like an illegal token to me, since the lexer will read "a" > > "b" "c" "\" and then see an unescaped linefeed. > > > > Since the speclet states nothing about changing the way strings are > > lexed, normal escape character processing should be in effect, and that > > dictates that \\ is processed into \ independently of what follows. > > It's what we all want. As written, that's not what it states. This isn't > ready to go in until this bug is corrected. Waldemar, can you suggest a fix? Jd ___ Es4-discuss mailing list Es4-discuss@mozilla.org https://mail.mozilla.org/listinfo/es4-discuss
