USING: accessors alien alien.c-types alien.libraries
alien.syntax arrays classes.struct combinators
compiler continuations effects io io.backend io.pathnames
io.streams.string kernel math memory namespaces
namespaces.private parser quotations sequences
specialized-arrays stack-checker stack-checker.errors
system threads tools.test words ;
FROM: alien.c-types => float short ;
SPECIALIZED-ARRAY: float
SPECIALIZED-ARRAY: char
IN: compiler.tests.alien

<<
: libfactor-ffi-tests-path ( -- string )
    "resource:" (normalize-path)
    {
        { [ os winnt? ]  [ "libfactor-ffi-test.dll" ] }
        { [ os macosx? ] [ "libfactor-ffi-test.dylib" ] }
        { [ os unix?  ]  [ "libfactor-ffi-test.so" ] }
    } cond append-path ;

"f-cdecl" libfactor-ffi-tests-path "cdecl" add-library

"f-stdcall" libfactor-ffi-tests-path "stdcall" add-library
>>

LIBRARY: f-cdecl

FUNCTION: void ffi_test_0 ;
[ ] [ ffi_test_0 ] unit-test

FUNCTION: int ffi_test_1 ;
[ 3 ] [ ffi_test_1 ] unit-test

FUNCTION: int ffi_test_2 int x int y ;
[ 5 ] [ 2 3 ffi_test_2 ] unit-test
[ "hi" 3 ffi_test_2 ] must-fail

FUNCTION: int ffi_test_3 int x int y int z int t ;
[ 25 ] [ 2 3 4 5 ffi_test_3 ] unit-test

FUNCTION: float ffi_test_4 ;
[ 1.5 ] [ ffi_test_4 ] unit-test

FUNCTION: double ffi_test_5 ;
[ 1.5 ] [ ffi_test_5 ] unit-test

FUNCTION: int ffi_test_9 int a int b int c int d int e int f int g ;
[ 28 ] [ 1 2 3 4 5 6 7 ffi_test_9 ] unit-test
[ "a" 2 3 4 5 6 7 ffi_test_9 ] must-fail
[ 1 2 3 4 5 6 "a" ffi_test_9 ] must-fail

STRUCT: FOO { x int } { y int } ;

: make-FOO ( x y -- FOO )
    FOO <struct> swap >>y swap >>x ;

FUNCTION: int ffi_test_11 int a FOO b int c ;

[ 14 ] [ 1 2 3 make-FOO 4 ffi_test_11 ] unit-test

FUNCTION: int ffi_test_13 int a int b int c int d int e int f int g int h int i int j int k ;

[ 66 ] [ 1 2 3 4 5 6 7 8 9 10 11 ffi_test_13 ] unit-test

FUNCTION: FOO ffi_test_14 int x int y ;

[ 11 6 ] [ 11 6 ffi_test_14 [ x>> ] [ y>> ] bi ] unit-test

FUNCTION: char* ffi_test_15 char* x char* y ;

[ "foo" ] [ "xy" "zt" ffi_test_15 ] unit-test
[ "bar" ] [ "xy" "xy" ffi_test_15 ] unit-test
[ 1 2 ffi_test_15 ] must-fail

STRUCT: BAR { x long } { y long } { z long } ;

FUNCTION: BAR ffi_test_16 long x long y long z ;

[ 11 6 -7 ] [
    11 6 -7 ffi_test_16 [ x>> ] [ y>> ] [ z>> ] tri
] unit-test

STRUCT: TINY { x int } ;

FUNCTION: TINY ffi_test_17 int x ;

[ 11 ] [ 11 ffi_test_17 x>> ] unit-test

[ [ alien-indirect ] infer ] [ inference-error? ] must-fail-with

: indirect-test-1 ( ptr -- result )
    "int" { } "cdecl" alien-indirect ;

{ 1 1 } [ indirect-test-1 ] must-infer-as

[ 3 ] [ &: ffi_test_1 indirect-test-1 ] unit-test

: indirect-test-1' ( ptr -- )
    "int" { } "cdecl" alien-indirect drop ;

{ 1 0 } [ indirect-test-1' ] must-infer-as

[ ] [ &: ffi_test_1 indirect-test-1' ] unit-test

[ -1 indirect-test-1 ] must-fail

: indirect-test-2 ( x y ptr -- result )
    "int" { "int" "int" } "cdecl" alien-indirect gc ;

{ 3 1 } [ indirect-test-2 ] must-infer-as

[ 5 ]
[ 2 3 &: ffi_test_2 indirect-test-2 ]
unit-test

: indirect-test-3 ( a b c d ptr -- result )
    "int" { "int" "int" "int" "int" } "stdcall" alien-indirect
    gc ;

[ f ] [ "f-stdcall" load-library f = ] unit-test
[ "stdcall" ] [ "f-stdcall" library abi>> ] unit-test

: ffi_test_18 ( w x y z -- int )
    "int" "f-stdcall" "ffi_test_18" { "int" "int" "int" "int" }
    alien-invoke gc ;

[ 25 ] [ 2 3 4 5 ffi_test_18 ] unit-test

: ffi_test_19 ( x y z -- BAR )
    "BAR" "f-stdcall" "ffi_test_19" { "long" "long" "long" }
    alien-invoke gc ;

[ 11 6 -7 ] [
    11 6 -7 ffi_test_19 [ x>> ] [ y>> ] [ z>> ] tri
] unit-test

FUNCTION: double ffi_test_6 float x float y ;
[ 6.0 ] [ 3.0 2.0 ffi_test_6 ] unit-test
[ "a" "b" ffi_test_6 ] must-fail

FUNCTION: double ffi_test_7 double x double y ;
[ 6.0 ] [ 3.0 2.0 ffi_test_7 ] unit-test

FUNCTION: double ffi_test_8 double x float y double z float t int w ;
[ 19.0 ] [ 3.0 2.0 1.0 6.0 7 ffi_test_8 ] unit-test

FUNCTION: int ffi_test_10 int a int b double c int d float e int f int g int h ;
[ -34 ] [ 1 2 3.0 4 5.0 6 7 8 ffi_test_10 ] unit-test

FUNCTION: void ffi_test_20 double x1, double x2, double x3,
    double y1, double y2, double y3,
    double z1, double z2, double z3 ;

[ ] [ 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 ffi_test_20 ] unit-test

! Make sure XT doesn't get clobbered in stack frame

: ffi_test_31 ( a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a -- result y )
    "int"
    "f-cdecl" "ffi_test_31"
    { "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" "int" }
    alien-invoke gc 3 ;

[ 861 3 ] [ 42 [ ] each ffi_test_31 ] unit-test

: ffi_test_31_point_5 ( a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a -- result )
    "float"
    "f-cdecl" "ffi_test_31_point_5"
    { "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" "float" }
    alien-invoke ;

[ 861.0 ] [ 42 [ >float ] each ffi_test_31_point_5 ] unit-test

FUNCTION: longlong ffi_test_21 long x long y ;

[ 121932631112635269 ]
[ 123456789 987654321 ffi_test_21 ] unit-test

FUNCTION: long ffi_test_22 long x longlong y longlong z ;

[ 987655432 ]
[ 1111 121932631112635269 123456789 ffi_test_22 ] unit-test

[ 1111 f 123456789 ffi_test_22 ] must-fail

STRUCT: RECT
    { x float } { y float }
    { w float } { h float } ;

: <RECT> ( x y w h -- rect )
    RECT <struct>
        swap >>h
        swap >>w
        swap >>y
        swap >>x ;

FUNCTION: int ffi_test_12 int a int b RECT c int d int e int f ;

[ 45 ] [ 1 2 3.0 4.0 5.0 6.0 <RECT> 7 8 9 ffi_test_12 ] unit-test

[ 1 2 { 1 2 3 } 7 8 9 ffi_test_12 ] must-fail

FUNCTION: float ffi_test_23 ( float[3] x, float[3] y ) ;

[ 32.0 ] [
    { 1.0 2.0 3.0 } >float-array
    { 4.0 5.0 6.0 } >float-array
    ffi_test_23
] unit-test

! Test odd-size structs
STRUCT: test-struct-1 { x char[1] } ;

FUNCTION: test-struct-1 ffi_test_24 ;

[ S{ test-struct-1 { x char-array{ 1 } } } ] [ ffi_test_24 ] unit-test

STRUCT: test-struct-2 { x char[2] } ;

FUNCTION: test-struct-2 ffi_test_25 ;

[ S{ test-struct-2 { x char-array{ 1 2 } } } ] [ ffi_test_25 ] unit-test

STRUCT: test-struct-3 { x char[3] } ;

FUNCTION: test-struct-3 ffi_test_26 ;

[ S{ test-struct-3 { x char-array{ 1 2 3 } } } ] [ ffi_test_26 ] unit-test

STRUCT: test-struct-4 { x char[4] } ;

FUNCTION: test-struct-4 ffi_test_27 ;

[ S{ test-struct-4 { x char-array{ 1 2 3 4 } } } ] [ ffi_test_27 ] unit-test

STRUCT: test-struct-5 { x char[5] } ;

FUNCTION: test-struct-5 ffi_test_28 ;

[ S{ test-struct-5 { x char-array{ 1 2 3 4 5 } } } ] [ ffi_test_28 ] unit-test

STRUCT: test-struct-6 { x char[6] } ;

FUNCTION: test-struct-6 ffi_test_29 ;

[ S{ test-struct-6 { x char-array{ 1 2 3 4 5 6 } } } ] [ ffi_test_29 ] unit-test

STRUCT: test-struct-7 { x char[7] } ;

FUNCTION: test-struct-7 ffi_test_30 ;

[ S{ test-struct-7 { x char-array{ 1 2 3 4 5 6 7 } } } ] [ ffi_test_30 ] unit-test

STRUCT: test-struct-8 { x double } { y double } ;

FUNCTION: double ffi_test_32 test-struct-8 x int y ;

[ 9.0 ] [
    test-struct-8 <struct>
    1.0 >>x
    2.0 >>y
    3 ffi_test_32
] unit-test

STRUCT: test-struct-9 { x float } { y float } ;

FUNCTION: double ffi_test_33 test-struct-9 x int y ;

[ 9.0 ] [
    test-struct-9 <struct>
    1.0 >>x
    2.0 >>y
    3 ffi_test_33
] unit-test

STRUCT: test-struct-10 { x float } { y int } ;

FUNCTION: double ffi_test_34 test-struct-10 x int y ;

[ 9.0 ] [
    test-struct-10 <struct>
    1.0 >>x
    2 >>y
    3 ffi_test_34
] unit-test

STRUCT: test-struct-11 { x int } { y int } ;

FUNCTION: double ffi_test_35 test-struct-11 x int y ;

[ 9.0 ] [
    test-struct-11 <struct>
    1 >>x
    2 >>y
    3 ffi_test_35
] unit-test

STRUCT: test-struct-12 { a int } { x double } ;

: make-struct-12 ( x -- alien )
    test-struct-12 <struct>
        swap >>x ;

FUNCTION: double ffi_test_36 ( test-struct-12 x ) ;

[ 1.23456 ] [ 1.23456 make-struct-12 ffi_test_36 ] unit-test

FUNCTION: ulonglong ffi_test_38 ( ulonglong x, ulonglong y ) ;

[ t ] [ 31 2^ 32 2^ ffi_test_38 63 2^ = ] unit-test

! Test callbacks

: callback-1 ( -- callback ) "void" { } "cdecl" [ ] alien-callback ;

[ 0 1 ] [ [ callback-1 ] infer [ in>> ] [ out>> ] bi ] unit-test

[ t ] [ callback-1 alien? ] unit-test

: callback_test_1 ( ptr -- ) "void" { } "cdecl" alien-indirect ;

[ ] [ callback-1 callback_test_1 ] unit-test

: callback-2 ( -- callback ) "void" { } "cdecl" [ [ 5 throw ] ignore-errors ] alien-callback ;

[ ] [ callback-2 callback_test_1 ] unit-test

: callback-3 ( -- callback ) "void" { } "cdecl" [ 5 "x" set ] alien-callback ;

[ t ] [
    namestack*
    3 "x" set callback-3 callback_test_1
    namestack* eq?
] unit-test

[ 5 ] [
    [
        3 "x" set callback-3 callback_test_1 "x" get
    ] with-scope
] unit-test

: callback-4 ( -- callback )
    "void" { } "cdecl" [ "Hello world" write ] alien-callback
    gc ;

[ "Hello world" ] [
    [ callback-4 callback_test_1 ] with-string-writer
] unit-test

: callback-5 ( -- callback )
    "void" { } "cdecl" [ gc ] alien-callback ;

[ "testing" ] [
    "testing" callback-5 callback_test_1
] unit-test

: callback-5a ( -- callback )
    "void" { } "cdecl" [ 8000000 f <array> drop ] alien-callback ;

! Hack; if we're on ARM, we probably don't have much RAM, so
! skip this test.
! cpu "arm" = [
!     [ "testing" ] [
!         "testing" callback-5a callback_test_1
!     ] unit-test
! ] unless

: callback-6 ( -- callback )
    "void" { } "cdecl" [ [ continue ] callcc0 ] alien-callback ;

[ 1 2 3 ] [ callback-6 callback_test_1 1 2 3 ] unit-test

: callback-7 ( -- callback )
    "void" { } "cdecl" [ 1000000 sleep ] alien-callback ;

[ 1 2 3 ] [ callback-7 callback_test_1 1 2 3 ] unit-test

[ f ] [ namespace global eq? ] unit-test

: callback-8 ( -- callback )
    "void" { } "cdecl" [
        [ continue ] callcc0
    ] alien-callback ;

[ ] [ callback-8 callback_test_1 ] unit-test

: callback-9 ( -- callback )
    "int" { "int" "int" "int" } "cdecl" [
        + + 1 +
    ] alien-callback ;

FUNCTION: void ffi_test_36_point_5 ( ) ;

[ ] [ ffi_test_36_point_5 ] unit-test

FUNCTION: int ffi_test_37 ( void* func ) ;

[ 1 ] [ callback-9 ffi_test_37 ] unit-test

[ 7 ] [ callback-9 ffi_test_37 ] unit-test

STRUCT: test_struct_13
{ x1 float }
{ x2 float }
{ x3 float }
{ x4 float }
{ x5 float }
{ x6 float } ;

: make-test-struct-13 ( -- alien )
    test_struct_13 <struct>
        1.0 >>x1
        2.0 >>x2
        3.0 >>x3
        4.0 >>x4
        5.0 >>x5
        6.0 >>x6 ;

FUNCTION: int ffi_test_39 ( long a, long b, test_struct_13 s ) ;

[ 21 ] [ 12347 12347 make-test-struct-13 ffi_test_39 ] unit-test

! Joe Groff found this problem
STRUCT: double-rect
{ a double }
{ b double }
{ c double }
{ d double } ;

: <double-rect> ( a b c d -- foo )
    double-rect <struct>
        swap >>d
        swap >>c
        swap >>b
        swap >>a ;

: >double-rect< ( foo -- a b c d )
    {
        [ a>> ]
        [ b>> ]
        [ c>> ]
        [ d>> ]
    } cleave ;

: double-rect-callback ( -- alien )
    "void" { "void*" "void*" "double-rect" } "cdecl"
    [ "example" set-global 2drop ] alien-callback ;

: double-rect-test ( arg -- arg' )
    f f rot
    double-rect-callback
    "void" { "void*" "void*" "double-rect" } "cdecl" alien-indirect
    "example" get-global ;

[ 1.0 2.0 3.0 4.0 ]
[ 1.0 2.0 3.0 4.0 <double-rect> double-rect-test >double-rect< ] unit-test

STRUCT: test_struct_14
    { x1 double }
    { x2 double } ;

FUNCTION: test_struct_14 ffi_test_40 ( double x1, double x2 ) ;

[ 1.0 2.0 ] [
    1.0 2.0 ffi_test_40 [ x1>> ] [ x2>> ] bi
] unit-test

: callback-10 ( -- callback )
    "test_struct_14" { "double" "double" } "cdecl"
    [
        test_struct_14 <struct>
            swap >>x2
            swap >>x1
    ] alien-callback ;

: callback-10-test ( x1 x2 callback -- result )
    "test_struct_14" { "double" "double" } "cdecl" alien-indirect ;

[ 1.0 2.0 ] [
    1.0 2.0 callback-10 callback-10-test
    [ x1>> ] [ x2>> ] bi
] unit-test

FUNCTION: test-struct-12 ffi_test_41 ( int a, double x ) ;

[ 1 2.0 ] [
    1 2.0 ffi_test_41
    [ a>> ] [ x>> ] bi
] unit-test

: callback-11 ( -- callback )
    "test-struct-12" { "int" "double" } "cdecl"
    [
        test-struct-12 <struct>
            swap >>x
            swap >>a
    ] alien-callback ;

: callback-11-test ( x1 x2 callback -- result )
    "test-struct-12" { "int" "double" } "cdecl" alien-indirect ;

[ 1 2.0 ] [
    1 2.0 callback-11 callback-11-test
    [ a>> ] [ x>> ] bi
] unit-test

STRUCT: test_struct_15
    { x float }
    { y float } ;

FUNCTION: test_struct_15 ffi_test_42 ( float x, float y ) ;

[ 1.0 2.0 ] [ 1.0 2.0 ffi_test_42 [ x>> ] [ y>> ] bi ] unit-test

: callback-12 ( -- callback )
    "test_struct_15" { "float" "float" } "cdecl"
    [
        test_struct_15 <struct>
            swap >>y
            swap >>x
    ] alien-callback ;

: callback-12-test ( x1 x2 callback -- result )
    "test_struct_15" { "float" "float" } "cdecl" alien-indirect ;

[ 1.0 2.0 ] [
    1.0 2.0 callback-12 callback-12-test [ x>> ] [ y>> ] bi
] unit-test

STRUCT: test_struct_16
    { x float }
    { a int } ;

FUNCTION: test_struct_16 ffi_test_43 ( float x, int a ) ;

[ 1.0 2 ] [ 1.0 2 ffi_test_43 [ x>> ] [ a>> ] bi ] unit-test

: callback-13 ( -- callback )
    "test_struct_16" { "float" "int" } "cdecl"
    [
        test_struct_16 <struct>
            swap >>a
            swap >>x
    ] alien-callback ;

: callback-13-test ( x1 x2 callback -- result )
    "test_struct_16" { "float" "int" } "cdecl" alien-indirect ;

[ 1.0 2 ] [
    1.0 2 callback-13 callback-13-test
    [ x>> ] [ a>> ] bi
] unit-test

FUNCTION: test_struct_14 ffi_test_44 ( ) ; inline

[ 1.0 2.0 ] [ ffi_test_44 [ x1>> ] [ x2>> ] bi ] unit-test

: stack-frame-bustage ( -- a b ) ffi_test_44 gc 3 ;

[ ] [ stack-frame-bustage 2drop ] unit-test

FUNCTION: complex-float ffi_test_45 ( int x ) ;

[ C{ 3.0 0.0 } ] [ 3 ffi_test_45 ] unit-test

FUNCTION: complex-double ffi_test_46 ( int x ) ;

[ C{ 3.0 0.0 } ] [ 3 ffi_test_46 ] unit-test

FUNCTION: complex-float ffi_test_47 ( complex-float x, complex-double y ) ;

[ C{ 4.0 4.0 } ] [
    C{ 1.0 2.0 }
    C{ 1.5 1.0 } ffi_test_47
] unit-test

! Reported by jedahu
STRUCT: bool-field-test
    { name char* }
    { on bool }
    { parents short } ;

FUNCTION: short ffi_test_48 ( bool-field-test x ) ;

[ 123 ] [
    bool-field-test <struct>
        123 >>parents
    ffi_test_48
] unit-test