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io.streams.sequence: make some errors into ERROR:. rename double paren word.

locals-and-roots
Doug Coleman 2016-03-25 03:00:07 -07:00
parent 92afdc3ad0
commit 9db94d33d6
1 changed files with 7 additions and 5 deletions
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12
core/io/streams/sequence/sequence.factor
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@ -23,25 +23,27 @@ SLOT: i
: <sequence-copy> ( dst n src-i src dst-i -- n copy )
[ ] curry 3curry dip <copy> ; inline
: ((sequence-read-unsafe)) ( n buf stream offset -- count )
: sequence-copy-unsafe ( n buf stream offset -- count )
[
[ (sequence-read-length) ]
[ [ dup pick + ] change-i underlying>> ] bi
] dip [ <sequence-copy> (copy) drop ] 3curry keep ; inline
ERROR: not-a-byte-array obj ;
: check-byte-array ( buf stream offset -- buf stream offset )
pick byte-array? [ "not a byte array" throw ] unless ; inline
pick byte-array? [ pick not-a-byte-array ] unless ; inline
ERROR: not-a-string obj ;
: check-string ( buf stream offset -- buf stream offset )
pick string? [ "not a string" throw ] unless ; inline
pick string? [ pick not-a-string ] unless ; inline
: (sequence-read-unsafe) ( n buf stream -- count )
[ integer>fixnum ]
[ dup slice? [ [ seq>> ] [ from>> ] bi ] [ 0 ] if ]
[
swap over stream-element-type +byte+ eq?
[ check-byte-array ((sequence-read-unsafe)) ]
[ check-string ((sequence-read-unsafe)) ] if
[ check-byte-array sequence-copy-unsafe ]
[ check-string sequence-copy-unsafe ] if
] tri* ; inline
PRIVATE>