[antlr-interest] Unicode character classes
Bart Kiers
bkiers at gmail.com
Thu Dec 15 13:41:27 PST 2011
Correct: ANTLR does not support that.
Bart.
On Thu, Dec 15, 2011 at 10:40 PM, Christian <chwchw at gmx.de> wrote:
> Correct. But I don't think ANTLR supports \p{}, right?
>
> Am 15.12.2011 22:38, schrieb Bart Kiers:
> > Ah, I thought you meant the regex type of "character class", but you
> > meant something like `\p{CLASS_NAME}`...
> >
> > Bart.
> >
> >
> > On Thu, Dec 15, 2011 at 10:14 PM, Christian <chwchw at gmx.de
> > <mailto:chwchw at gmx.de>> wrote:
> >
> > Thanks for your solution. However, there are unicode char classes
> that
> > cannot be easily expressed by the range operator. Some have "holes".
> > Furthermore, I have to explicitly define a rule for each class I
> > want to
> > use. So, again, does ANTLR provide unicode char class support?
> >
> > Regards,
> > Christian
> >
> > Am 15.12.2011 21:32, schrieb Bart Kiers:
> > > Hi Christian,
> > >
> > > Sure.
> > > For example, the following rule:
> > >
> > > LatinExtB_first4 : '\u0180'..'\u0184';
> > >
> > > will match any of the first 4 Latin Extended-B* characters.
> > >
> > > Regards,
> > >
> > > Bart.
> > >
> > >
> > > *
> >
> http://en.wikipedia.org/wiki/List_of_Unicode_characters#Latin_Extended-B
> > >
> > >
> > > On Thu, Dec 15, 2011 at 9:23 PM, Christian <chwchw at gmx.de
> > <mailto:chwchw at gmx.de>
> > > <mailto:chwchw at gmx.de <mailto:chwchw at gmx.de>>> wrote:
> > >
> > > Hi community,
> > >
> > > I've read a cuple of threads but all questions whether ANTLR
> > supports
> > > Unicode character classes are not answered. Therefore, I now
> > pose the
> > > question:
> > >
> > > Does ANTLR support unicode character classes? And if not,
> > how can I
> > > easily put them into a lexer grammar anyway?
> > >
> > > Regards,
> > > Christian
> > >
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