| 1 | (* Copyright (C) 2017 Matthew Fluet. |
| 2 | * Copyright (C) 1999-2008 Henry Cejtin, Matthew Fluet, Suresh |
| 3 | * Jagannathan, and Stephen Weeks. |
| 4 | * Copyright (C) 1997-2000 NEC Research Institute. |
| 5 | * |
| 6 | * MLton is released under a BSD-style license. |
| 7 | * See the file MLton-LICENSE for details. |
| 8 | *) |
| 9 | |
| 10 | structure Array: ARRAY_EXTRA = |
| 11 | struct |
| 12 | structure A = Sequence (Primitive.Array) |
| 13 | open A |
| 14 | |
| 15 | val op +? = Int.+? |
| 16 | val op < = Int.< |
| 17 | val op <= = Int.<= |
| 18 | |
| 19 | fun wrap2 f = fn (i, x) => f (SeqIndex.toIntUnsafe i, x) |
| 20 | |
| 21 | type 'a array = 'a array |
| 22 | type 'a vector = 'a Vector.vector |
| 23 | |
| 24 | structure ArraySlice = |
| 25 | struct |
| 26 | open Slice |
| 27 | val vector = Primitive.Array.Slice.vector |
| 28 | val copyVec = Vector.VectorSlice.copy |
| 29 | val unsafeCopyVec = Vector.VectorSlice.unsafeCopy |
| 30 | fun modifyi f sl = Primitive.Array.Slice.modifyi (wrap2 f) sl |
| 31 | val modify = Primitive.Array.Slice.modify |
| 32 | end |
| 33 | |
| 34 | val array = new |
| 35 | val unsafeArray = unsafeNew |
| 36 | val vector = Primitive.Array.vector |
| 37 | val copyVec = Vector.copy |
| 38 | val unsafeCopyVec = Vector.unsafeCopy |
| 39 | fun modifyi f sl = Primitive.Array.modifyi (wrap2 f) sl |
| 40 | val modify = Primitive.Array.modify |
| 41 | |
| 42 | structure Raw = Primitive.Array.Raw |
| 43 | structure Raw = |
| 44 | struct |
| 45 | type 'a rawarr = 'a Raw.rawarr |
| 46 | |
| 47 | fun length a = |
| 48 | if Primitive.Controls.safe |
| 49 | then (SeqIndex.toInt (Raw.length a)) |
| 50 | handle Overflow => raise Fail "Raw.length" |
| 51 | else SeqIndex.toIntUnsafe (Raw.length a) |
| 52 | |
| 53 | fun alloc n = Raw.alloc (SeqIndex.fromIntForLength n) |
| 54 | fun unsafeAlloc n = Raw.unsafeAlloc (SeqIndex.fromIntUnsafe n) |
| 55 | |
| 56 | val uninitIsNop = Raw.uninitIsNop |
| 57 | fun unsafeUninit (a, i) = |
| 58 | Raw.unsafeUninit (a, SeqIndex.fromIntUnsafe i) |
| 59 | fun uninit (a, i) = |
| 60 | if Primitive.Controls.safe |
| 61 | then let |
| 62 | val i = |
| 63 | (SeqIndex.fromInt i) |
| 64 | handle Overflow => raise Subscript |
| 65 | in |
| 66 | Raw.uninit (a, i) |
| 67 | end |
| 68 | else unsafeUninit (a, i) |
| 69 | |
| 70 | val unsafeToArray = Primitive.Array.Raw.unsafeToArray |
| 71 | end |
| 72 | end |
| 73 | |
| 74 | structure ArraySlice: ARRAY_SLICE_EXTRA = Array.ArraySlice |
| 75 | |
| 76 | structure ArrayGlobal: ARRAY_GLOBAL = Array |
| 77 | open ArrayGlobal |