Frank:
I am pretty sure that the intent is that strings like 077 are read as
octal, and in Clojure 1.8.0 this is what happens, e.g. (read-string "077")
evaluates to the integer 63 (decimal), not 77. Thus it is intentional that
(read-string "08") and (read-string "09") throw exceptions.
Andy
On Tue, Apr 26, 2016 at 8:51 PM, Frank Pursel <frank.pur...@gmail.com>
wrote:
> I believe the following line should replace the current 1.8.0
> jvm/clojure/lang/LispReader.java line 68:
>
> static Pattern intPat =
> Pattern.compile(
>
> "([-+]?)(?:(0)|(0*[1-9][0-9]*)|0[xX]([0-9A-Fa-f]+)|([0-7]{3})|([1-9][0-9]?)[rR]([0-9A-Za-z]+)|0[0-9]+)(N)?");
>
>
> Without this change the 1.8.0 clojure reader fails on some simple things
> like:
>
> (read-string "08")
> (read-string "09")
>
> I see that the prior commit was trying to get old style octal identifiers
> to work (and this change doesn't get this right either) but octal can still
> be correctly read using the radix notation, eg (read-string "8r45") works.
>
> Perhaps someone here can get this change or a more sophisticated fix
> committed that will allow numeric strings with leading zeros to be
> successfully read.
>
> Regards,
> Frank Pursel
>
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