unbox-parameters ( parameters -- vregs reps )

Vocabulary

compiler.cfg.builder.alien

Inputs

parameters

a sequence

Outputs

vregs	a sequence
reps	a sequence

Word description

Unboxes a sequence of parameters to send to an ffi function.

Definition

USING: alien.c-types compiler.cfg.builder.alien.boxing
compiler.cfg.registers compiler.cfg.stacks.local kernel math
sequences sequences.generalizations ;

IN: compiler.cfg.builder.alien

: unbox-parameters ( parameters -- vregs reps )
    [
        [ length <iota> <reversed> ] keep [
            [ <ds-loc> peek-loc ] [ base-type ] bi*
            unbox-parameter
        ] 2 2 mnmap [ concat ] bi@
    ] [ length neg <ds-loc> inc-stack ] bi ;