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June 2010

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[cmucl-ticket] [cmucl] #36: file-position broken for utf16 and utf32
by cmucl 15 Aug '10

15 Aug '10

#36: file-position broken for utf16 and utf32 --------------------+------------------------------------------------------- Reporter: rtoy | Owner: somebody Type: defect | Status: new Priority: minor | Milestone: Component: Core | Version: 19f Keywords: | --------------------+------------------------------------------------------- Consider this code: {{{ (defun bug (&optional (format :utf16)) (with-open-file (s "/tmp/bom.txt" :direction :output :if-exists :supersede :external-format format) (format s "Hello~%")) (with-open-file (s "/tmp/bom.txt" :direction :input :external-format format) (print (read-char s)) (print (file-position s))) (values)) }}} Running {{{(bug :utf16)}}} produces {{{ #\H 2 }}} {{{(bug :utf32)}}} produces {{{ #\H 4 }}} In both cases, the actual position is wrong. For utf16, the position should 4; utf32, 8. The BOM has been ignored. This is caused by {{{STRING-ENCODE}}} outputting the BOM for these formats. {{{STRING-ENCODE)}}} is used to figure out how many octets have not yet been processed but have been read from the file. If the BOM was not output, the position would be correct. This bug (will) occur in the 2010-02 snapshot and later. -- Ticket URL: <http://trac.common-lisp.net/cmucl/ticket/36> cmucl <http://common-lisp.net/project/cmucl> cmucl

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[cmucl-ticket] [cmucl] #40: incorrect lexical environment for deftype
by cmucl 01 Jun '10

01 Jun '10

#40: incorrect lexical environment for deftype --------------------+------------------------------------------------------- Reporter: heller | Owner: somebody Type: defect | Status: new Priority: minor | Milestone: Component: Core | Version: 20a Keywords: | --------------------+------------------------------------------------------- When compiling this: {{{ (macrolet ((foo () `'fixnum)) (deftype footype () (foo))) (defun bar (x) (etypecase x (footype (logand x 255)))) }}} CMUCL complains that: {{{ Error in kernel:%coerce-to-function: the function foo is undefined. [Condition of type undefined-function] }}} -- Ticket URL: <http://trac.common-lisp.net/cmucl/ticket/40> cmucl <http://common-lisp.net/project/cmucl> cmucl

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