USING: accessors alien alien.c-types compiler.cfg compiler.cfg.builder
compiler.cfg.builder.alien compiler.cfg.builder.blocks
compiler.cfg.instructions compiler.cfg.registers compiler.test
compiler.tree.builder compiler.tree.optimizer cpu.architecture
cpu.x86.assembler cpu.x86.assembler.operands kernel make namespaces
sequences system tools.test words ;
IN: compiler.cfg.builder.alien.tests

! unboxing ints is only needed on 32bit archs
cpu x86.32?
{
    { 2 4 }
    { { int-rep f f } { int-rep f f } }
    V{
        T{ ##unbox-any-c-ptr { dst 2 } { src 1 } }
        T{ ##unbox
           { dst 4 }
           { src 3 }
           { unboxer "to_fixnum" }
           { rep int-rep }
        }
    }
}
{
    { 2 3 }
    { { int-rep f f } { int-rep f f } }
    V{ T{ ##unbox-any-c-ptr { dst 2 } { src 1 } } }
} ? [
    [ { c-string int } unbox-parameters ] V{ } make
] cfg-unit-test

: dummy-assembly ( -- ass )
    int { } cdecl [
        EAX 33 MOV
    ] alien-assembly ;

{ t } [
    <basic-block> dup set-basic-block dup
    \ dummy-assembly build-tree optimize-tree first
    [ emit-node ] V{ } make drop eq?
] unit-test

: dummy-callback ( -- cb )
    void { } cdecl [ ] alien-callback ;

{ 2 t } [
    \ dummy-callback build-tree optimize-tree gensym build-cfg
    [ length ] [ second frame-pointer?>> ] bi
] unit-test

{
    V{
        T{ ##load-reference { dst 1 } { obj t } }
        T{ ##load-integer { dst 2 } { val 3 } }
        T{ ##copy { dst 4 } { src 1 } { rep any-rep } }
        T{ ##copy { dst 3 } { src 2 } { rep any-rep } }
        T{ ##inc { loc D: 2 } }
        T{ ##branch }
    }
} [
    <basic-block> dup set-basic-block
    \ dummy-callback build-tree optimize-tree 3 swap nth child>>
    [ emit-callback-body drop ] V{ } make
] cfg-unit-test