[Bug-kawa] [bug #15623] Passing a Scheme character to Java can fail

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=15623>

                 Summary: Passing a Scheme character to Java can fail
                 Project: Kawa
            Submitted by: None
            Submitted on: Sat 02/04/06 at 23:01
                Category: None
                Severity: 3 - Normal
              Item Group: Unexpected result
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

One would expect the following sequence of forms to set sppos to 6:

(set! jstr (make <java.lang.String> "DOMAIN Some Name"))

(set! sppos (invoke jstr 'indexOf #\space))

but, as written, it fails to find a matching character.

However, replacing #\space by 32 works, correctly returning 6.

It should be fairly easy to work around since char->integer will convert a
Scheme character into an integer and a trivial macro or function such as:

(define-syntax javachar
  (syntax-rules ()
    ((javachar schemechar)
      (char->integer schemechar))))

ought to provide reasonable syntactic sugar.






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