1 ! Copyright (C) 2004, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: kernel.private slots.private math.private ;
8 BUILTIN: wrapper { wrapped read-only } ;
15 : 2over ( x y z -- x y z x y ) pick pick ; inline
17 : clear ( -- ) { } set-datastack ;
20 GENERIC: call ( callable -- )
22 GENERIC: execute ( word -- )
24 GENERIC: ?execute ( word -- value )
30 : ? ( ? true false -- true/false )
31 #! 'if' and '?' can be defined in terms of each other
32 #! because the JIT special-cases an 'if' preceeded by
33 #! two literal quotations.
34 rot [ drop ] [ nip ] if ; inline
36 : if ( ..a ? true: ( ..a -- ..b ) false: ( ..a -- ..b ) -- ..b ) ? call ;
39 : unless ( ..a ? false: ( ..a -- ..a ) -- ..a )
40 swap [ drop ] [ call ] if ; inline
42 : when ( ..a ? true: ( ..a -- ..a ) -- ..a )
43 swap [ call ] [ drop ] if ; inline
46 : if* ( ..a ? true: ( ..a ? -- ..b ) false: ( ..a -- ..b ) -- ..b )
47 pick [ drop call ] [ 2nip call ] if ; inline
49 : when* ( ..a ? true: ( ..a ? -- ..a ) -- ..a )
50 over [ call ] [ 2drop ] if ; inline
52 : unless* ( ..a ? false: ( ..a -- ..a x ) -- ..a x )
53 over [ drop ] [ nip call ] if ; inline
56 : ?if ( ..a default cond true: ( ..a cond -- ..b ) false: ( ..a default -- ..b ) -- ..b )
57 pick [ drop [ drop ] 2dip call ] [ 2nip call ] if ; inline
60 ! Not declared inline because the compiler special-cases them
62 : dip ( x quot -- x ) swap [ call ] dip ;
64 : 2dip ( x y quot -- x y ) swap [ dip ] dip ;
66 : 3dip ( x y z quot -- x y z ) swap [ 2dip ] dip ;
68 : 4dip ( w x y z quot -- w x y z ) swap [ 3dip ] dip ; inline
71 : keep ( ..a x quot: ( ..a x -- ..b ) -- ..b x )
72 over [ call ] dip ; inline
74 : 2keep ( ..a x y quot: ( ..a x y -- ..b ) -- ..b x y )
75 [ 2dup ] dip 2dip ; inline
77 : 3keep ( ..a x y z quot: ( ..a x y z -- ..b ) -- ..b x y z )
78 [ 3dup ] dip 3dip ; inline
80 : 4keep ( ..a w x y z quot: ( ..a w x y z -- ..b ) -- ..b w x y z )
81 [ 4dup ] dip 4dip ; inline
85 [ keep ] dip call ; inline
88 [ [ keep ] dip keep ] dip call ; inline
92 [ 2keep ] dip call ; inline
94 : 2tri ( x y p q r -- )
95 [ [ 2keep ] dip 2keep ] dip call ; inline
98 : 3bi ( x y z p q -- )
99 [ 3keep ] dip call ; inline
101 : 3tri ( x y z p q r -- )
102 [ [ 3keep ] dip 3keep ] dip call ; inline
106 [ dip ] dip call ; inline
108 : tri* ( x y z p q r -- )
109 [ [ 2dip ] dip dip ] dip call ; inline
112 : 2bi* ( w x y z p q -- )
113 [ 2dip ] dip call ; inline
115 : 2tri* ( u v w x y z p q r -- )
116 [ 4dip ] 2dip 2bi* ; inline
119 : bi@ ( x y quot -- )
122 : tri@ ( x y z quot -- )
123 dup dup tri* ; inline
126 : 2bi@ ( w x y z quot -- )
129 : 2tri@ ( u v w x y z quot -- )
130 dup dup 2tri* ; inline
133 : 2curry ( obj1 obj2 quot -- curry )
136 : 3curry ( obj1 obj2 obj3 quot -- curry )
137 curry curry curry ; inline
139 : with ( param obj quot -- obj curry )
140 swapd [ swapd call ] 2curry ; inline
142 : prepose ( quot1 quot2 -- compose )
143 swap compose ; inline
148 : [curry] ( quot -- quot' ) [ curry ] curry ; inline
152 : bi-curry ( x p q -- p' q' ) [ [curry] ] bi@ bi ; inline
154 : tri-curry ( x p q r -- p' q' r' ) [ [curry] ] tri@ tri ; inline
156 : bi-curry* ( x y p q -- p' q' ) [ [curry] ] bi@ bi* ; inline
158 : tri-curry* ( x y z p q r -- p' q' r' ) [ [curry] ] tri@ tri* ; inline
160 : bi-curry@ ( x y q -- p' q' ) [curry] bi@ ; inline
162 : tri-curry@ ( x y z q -- p' q' r' ) [curry] tri@ ; inline
165 UNION: boolean POSTPONE: t POSTPONE: f ;
167 : >boolean ( obj -- ? ) [ t ] [ f ] if ; inline
169 : not ( obj -- ? ) [ f ] [ t ] if ; inline
171 : and ( obj1 obj2 -- ? ) over ? ; inline
173 : or ( obj1 obj2 -- ? ) dupd ? ; inline
175 : xor ( obj1 obj2 -- ? ) [ f swap ? ] when* ; inline
177 : both? ( x y quot -- ? ) bi@ and ; inline
179 : either? ( x y quot -- ? ) bi@ or ; inline
181 : most ( x y quot -- z ) 2keep ? ; inline
184 : loop ( ... pred: ( ... -- ... ? ) -- ... )
185 [ call ] keep [ loop ] curry when ; inline recursive
187 : do ( pred body -- pred body )
190 : while ( ..a pred: ( ..a -- ..b ? ) body: ( ..b -- ..a ) -- ..b )
191 swap do compose [ loop ] curry when ; inline
193 : until ( ..a pred: ( ..a -- ..b ? ) body: ( ..b -- ..a ) -- ..b )
194 [ [ not ] compose ] dip while ; inline
197 GENERIC: hashcode* ( depth obj -- code )
199 M: object hashcode* 2drop 0 ; inline
201 M: f hashcode* 2drop 31337 ; inline
203 : hashcode ( obj -- code ) 3 swap hashcode* ; inline
205 : identity-hashcode ( obj -- code )
207 dup tag 1 eq? [ drop 0 ] [
208 dup (identity-hashcode) dup 0 eq? [
209 drop dup compute-identity-hashcode
215 GENERIC: equal? ( obj1 obj2 -- ? )
217 M: object equal? 2drop f ; inline
219 TUPLE: identity-tuple ;
221 M: identity-tuple equal? 2drop f ; inline
223 M: identity-tuple hashcode* nip identity-hashcode ; inline
225 : = ( obj1 obj2 -- ? )
226 2dup eq? [ 2drop t ] [
227 2dup both-fixnums? [ 2drop f ] [ equal? ] if
230 : same? ( x y quot -- ? ) bi@ = ; inline
232 GENERIC: clone ( obj -- cloned )
234 M: object clone ; inline
236 M: callstack clone (clone) ; inline
239 GENERIC: new ( class -- tuple )
241 GENERIC: boa ( slots... class -- tuple )
243 ! Error handling -- defined early so that other files can
244 ! throw errors before continuations are loaded
245 GENERIC: throw ( error -- * )
247 ERROR: assert got expect ;
249 : assert= ( a b -- ) 2dup = [ 2drop ] [ assert ] if ;
253 : declare ( spec -- ) drop ;
255 : do-primitive ( number -- ) "Improper primitive call" throw ;
257 ! Special object count and identifiers must be kept in sync with:
259 ! basis/bootstrap/image/image.factor
261 CONSTANT: special-object-count 80
263 CONSTANT: OBJ-WALKER-HOOK 3
265 CONSTANT: OBJ-CALLCC-1 4
267 CONSTANT: ERROR-HANDLER-QUOT 5
268 CONSTANT: OBJ-ERROR 6
270 CONSTANT: OBJ-CELL-SIZE 7
274 CONSTANT: OBJ-ARGS 10
275 CONSTANT: OBJ-STDIN 11
276 CONSTANT: OBJ-STDOUT 12
278 CONSTANT: OBJ-IMAGE 13
279 CONSTANT: OBJ-EXECUTABLE 14
281 CONSTANT: OBJ-EMBEDDED 15
282 CONSTANT: OBJ-EVAL-CALLBACK 16
283 CONSTANT: OBJ-YIELD-CALLBACK 17
284 CONSTANT: OBJ-SLEEP-CALLBACK 18
286 CONSTANT: OBJ-STARTUP-QUOT 20
287 CONSTANT: OBJ-GLOBAL 21
288 CONSTANT: OBJ-SHUTDOWN-QUOT 22
290 CONSTANT: JIT-PROLOG 23
291 CONSTANT: JIT-PRIMITIVE-WORD 24
292 CONSTANT: JIT-PRIMITIVE 25
293 CONSTANT: JIT-WORD-JUMP 26
294 CONSTANT: JIT-WORD-CALL 27
295 CONSTANT: JIT-IF-WORD 28
297 CONSTANT: JIT-SAFEPOINT 30
298 CONSTANT: JIT-EPILOG 31
299 CONSTANT: JIT-RETURN 32
300 CONSTANT: JIT-PROFILING 33
301 CONSTANT: JIT-PUSH-IMMEDIATE 34
302 CONSTANT: JIT-DIP-WORD 35
304 CONSTANT: JIT-2DIP-WORD 37
305 CONSTANT: JIT-2DIP 38
306 CONSTANT: JIT-3DIP-WORD 39
307 CONSTANT: JIT-3DIP 40
308 CONSTANT: JIT-EXECUTE 41
309 CONSTANT: JIT-DECLARE-WORD 42
311 CONSTANT: C-TO-FACTOR-WORD 43
312 CONSTANT: LAZY-JIT-COMPILE-WORD 44
313 CONSTANT: UNWIND-NATIVE-FRAMES-WORD 45
314 CONSTANT: GET-FPU-STATE-WORD 46
315 CONSTANT: SET-FPU-STATE-WORD 47
316 CONSTANT: SIGNAL-HANDLER-WORD 48
317 CONSTANT: LEAF-SIGNAL-HANDLER-WORD 49
318 CONSTANT: FFI-SIGNAL-HANDLER-WORD 50
319 CONSTANT: FFI-LEAF-SIGNAL-HANDLER-WORD 51
321 CONSTANT: REDEFINITION-COUNTER 52
323 CONSTANT: CALLBACK-STUB 53
325 CONSTANT: PIC-LOAD 54
327 CONSTANT: PIC-TUPLE 56
328 CONSTANT: PIC-CHECK-TAG 57
329 CONSTANT: PIC-CHECK-TUPLE 58
331 CONSTANT: PIC-MISS-WORD 60
332 CONSTANT: PIC-MISS-TAIL-WORD 61
334 CONSTANT: MEGA-LOOKUP 62
335 CONSTANT: MEGA-LOOKUP-WORD 63
336 CONSTANT: MEGA-MISS-WORD 64
338 CONSTANT: OBJ-UNDEFINED 65
340 CONSTANT: OBJ-STDERR 66
342 CONSTANT: OBJ-STAGE2 67
344 CONSTANT: OBJ-CURRENT-THREAD 68
346 CONSTANT: OBJ-THREADS 69
347 CONSTANT: OBJ-RUN-QUEUE 70
348 CONSTANT: OBJ-SLEEP-QUEUE 71
350 CONSTANT: OBJ-VM-COMPILER 72
352 CONSTANT: OBJ-WAITING-CALLBACKS 73
354 CONSTANT: OBJ-SIGNAL-PIPE 74
356 ! Context object count and identifiers must be kept in sync with:
359 CONSTANT: context-object-count 10
361 CONSTANT: CONTEXT-OBJ-NAMESTACK 0
362 CONSTANT: CONTEXT-OBJ-CATCHSTACK 1
363 CONSTANT: CONTEXT-OBJ-CONTEXT 2
364 CONSTANT: CONTEXT-OBJ-IN-CALLBACK-P 3
366 ! Runtime errors must be kept in sync with:
369 CONSTANT: kernel-error-count 20
371 CONSTANT: ERROR-EXPIRED 0
373 CONSTANT: ERROR-NOT-IMPLEMENTED 2
374 CONSTANT: ERROR-TYPE 3
375 CONSTANT: ERROR-DIVIDE-BY-ZERO 4
376 CONSTANT: ERROR-SIGNAL 5
377 CONSTANT: ERROR-ARRAY-SIZE 6
378 CONSTANT: ERROR-OUT-OF-FIXNUM-RANGE 7
379 CONSTANT: ERROR-C-STRING 8
380 CONSTANT: ERROR-FFI 9
381 CONSTANT: ERROR-UNDEFINED-SYMBOL 10
382 CONSTANT: ERROR-DATASTACK-UNDERFLOW 11
383 CONSTANT: ERROR-DATASTACK-OVERFLOW 12
384 CONSTANT: ERROR-RETAINSTACK-UNDERFLOW 13
385 CONSTANT: ERROR-RETAINSTACK-OVERFLOW 14
386 CONSTANT: ERROR-CALLSTACK-UNDERFLOW 15
387 CONSTANT: ERROR-CALLSTACK-OVERFLOW 16
388 CONSTANT: ERROR-MEMORY 17
389 CONSTANT: ERROR-FP-TRAP 18
390 CONSTANT: ERROR-INTERRUPT 19