factor/basis/tools/annotations/assertions/assertions.factor

49 lines
1.5 KiB
Factor

USING: alien fry generalizations io io.ports kernel locals math
sequences sequences.private tools.annotations ;
IN: tools.annotations.assertions
ERROR: invalid-nth-unsafe n seq word ;
: check-nth-unsafe ( n seq word -- n seq )
2over length >= [ invalid-nth-unsafe ] [ drop ] if ; inline
: (assert-nth-unsafe) ( word -- )
dup [ swap '[ _ check-nth-unsafe @ ] ] curry annotate ;
: assert-nth-unsafe ( -- )
\ nth-unsafe (assert-nth-unsafe)
\ set-nth-unsafe (assert-nth-unsafe) ;
: reset-nth-unsafe ( -- )
\ nth-unsafe reset
\ set-nth-unsafe reset ;
ERROR: invalid-stream-read-unsafe len buf port word ;
ERROR: invalid-stream-read-unsafe-return out-len in-len buf port word ;
:: check-stream-read-unsafe-before ( n buf stream word -- n buf stream )
buf alien? [ n buf port ] [
n buf byte-length >
[ n buf stream word invalid-stream-read-unsafe ]
[ n buf stream ] if
] if ; inline
:: check-stream-read-unsafe-after ( count n buf stream word -- count )
count n >
[ count n buf stream word invalid-stream-read-unsafe-return ]
[ count ] if ;
: (assert-stream-read-unsafe) ( word -- )
dup [ swap '[ _
[ check-stream-read-unsafe-before @ ]
[ check-stream-read-unsafe-after ] 4 nbi
] ] curry annotate ;
: assert-stream-read-unsafe ( -- )
\ stream-read-unsafe (assert-stream-read-unsafe)
\ stream-read-partial-unsafe (assert-stream-read-unsafe) ;
: reset-stream-read-unsafe ( -- )
\ stream-read-unsafe reset
\ stream-read-partial-unsafe reset ;