heap-size ( name -- size )

Vocabulary

alien.c-types

Inputs and outputs

name	a c-type-name
size	an integer

Word description

Outputs the number of bytes needed for a heap-allocated value of this C type.

Examples

USING: alien alien.c-types prettyprint ; int heap-size .
4

Errors

Throws a no-c-type error if the type does not exist.

Definition

IN: alien.c-types

GENERIC: heap-size ( name -- size )

Methods

USING: accessors alien.c-types ;

M: abstract-c-type heap-size size>> ;


USING: alien.arrays alien.c-types arrays kernel math sequences ;

M: array heap-size unclip [ array-length ] [ heap-size ] bi* * ;


USING: alien.c-types kernel ;

M: c-type-name heap-size
    [ lookup-c-type ] call \ heap-size execute ;


USING: accessors alien.c-types alien.enums.private kernel ;

M: enum-c-type heap-size
    [ base-type>> ] call \ heap-size execute ;


USING: alien.arrays alien.c-types kernel ;

M: string-type heap-size drop void* heap-size ;