|
adamc@14
|
1 (* Copyright (c) 2008, Adam Chlipala
|
|
adamc@14
|
2 * All rights reserved.
|
|
adamc@14
|
3 *
|
|
adamc@14
|
4 * Redistribution and use in source and binary forms, with or without
|
|
adamc@14
|
5 * modification, are permitted provided that the following conditions are met:
|
|
adamc@14
|
6 *
|
|
adamc@14
|
7 * - Redistributions of source code must retain the above copyright notice,
|
|
adamc@14
|
8 * this list of conditions and the following disclaimer.
|
|
adamc@14
|
9 * - Redistributions in binary form must reproduce the above copyright notice,
|
|
adamc@14
|
10 * this list of conditions and the following disclaimer in the documentation
|
|
adamc@14
|
11 * and/or other materials provided with the distribution.
|
|
adamc@14
|
12 * - The names of contributors may not be used to endorse or promote products
|
|
adamc@14
|
13 * derived from this software without specific prior written permission.
|
|
adamc@14
|
14 *
|
|
adamc@14
|
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
adamc@14
|
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
adamc@14
|
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
adamc@14
|
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
adamc@14
|
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
adamc@14
|
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
adamc@14
|
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
adamc@14
|
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
adamc@14
|
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
adamc@14
|
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
adamc@14
|
25 * POSSIBILITY OF SUCH DAMAGE.
|
|
adamc@14
|
26 *)
|
|
adamc@14
|
27
|
|
adamc@14
|
28 structure Prim :> PRIM = struct
|
|
adamc@14
|
29
|
|
adamc@14
|
30 datatype t =
|
|
adamc@14
|
31 Int of Int64.int
|
|
adamc@14
|
32 | Float of Real64.real
|
|
adamc@14
|
33 | String of string
|
|
adamc@14
|
34
|
|
adamc@14
|
35 open Print.PD
|
|
adamc@14
|
36 open Print
|
|
adamc@14
|
37
|
|
adamc@14
|
38 fun p_t t =
|
|
adamc@14
|
39 case t of
|
|
adamc@14
|
40 Int n => string (Int64.toString n)
|
|
adamc@14
|
41 | Float n => string (Real64.toString n)
|
|
adamc@95
|
42 | String s => box [string "\"", string (String.toString s), string "\""]
|
|
adamc@14
|
43
|
|
adamc@276
|
44 fun int2s n =
|
|
adamc@276
|
45 if Int64.compare (n, Int64.fromInt 0) = LESS then
|
|
adamc@276
|
46 "-" ^ Int64.toString (Int64.~ n) ^ "LL"
|
|
adamc@276
|
47 else
|
|
adamc@276
|
48 Int64.toString n ^ "LL"
|
|
adamc@276
|
49
|
|
adamc@582
|
50 fun int2s' n =
|
|
adamc@582
|
51 if Int64.compare (n, Int64.fromInt 0) = LESS then
|
|
adamc@582
|
52 "-" ^ Int64.toString (Int64.~ n)
|
|
adamc@582
|
53 else
|
|
adamc@582
|
54 Int64.toString n
|
|
adamc@582
|
55
|
|
adamc@276
|
56 fun float2s n =
|
|
adamc@276
|
57 if Real64.compare (n, Real64.fromInt 0) = LESS then
|
|
adamc@285
|
58 "-" ^ Real64.toString (Real64.~ n)
|
|
adamc@276
|
59 else
|
|
adamc@285
|
60 Real64.toString n
|
|
adamc@276
|
61
|
|
adamc@567
|
62 fun toString t =
|
|
adamc@567
|
63 case t of
|
|
adamc@582
|
64 Int n => int2s' n
|
|
adamc@567
|
65 | Float n => float2s n
|
|
adamc@567
|
66 | String s => s
|
|
adamc@567
|
67
|
|
adamc@276
|
68 fun p_t_GCC t =
|
|
adamc@276
|
69 case t of
|
|
adamc@276
|
70 Int n => string (int2s n)
|
|
adamc@276
|
71 | Float n => string (float2s n)
|
|
adamc@276
|
72 | String s => box [string "\"", string (String.toString s), string "\""]
|
|
adamc@276
|
73
|
|
adamc@183
|
74 fun equal x =
|
|
adamc@183
|
75 case x of
|
|
adamc@183
|
76 (Int n1, Int n2) => n1 = n2
|
|
adamc@183
|
77 | (Float n1, Float n2) => Real64.== (n1, n2)
|
|
adamc@183
|
78 | (String s1, String s2) => s1 = s2
|
|
adamc@183
|
79
|
|
adamc@183
|
80 | _ => false
|
|
adamc@183
|
81
|
|
adamc@479
|
82 fun compare (p1, p2) =
|
|
adamc@479
|
83 case (p1, p2) of
|
|
adamc@479
|
84 (Int n1, Int n2) => Int64.compare (n1, n2)
|
|
adamc@479
|
85 | (Int _, _) => LESS
|
|
adamc@479
|
86 | (_, Int _) => GREATER
|
|
adamc@479
|
87
|
|
adamc@479
|
88 | (Float n1, Float n2) => Real64.compare (n1, n2)
|
|
adamc@479
|
89 | (Float _, _) => LESS
|
|
adamc@479
|
90 | (_, Float _) => GREATER
|
|
adamc@479
|
91
|
|
adamc@479
|
92 | (String n1, String n2) => String.compare (n1, n2)
|
|
adamc@479
|
93
|
|
adamc@14
|
94 end
|
