dextool.plugin.mutate.backend.mutation

1 /**
2 Copyright: Copyright (c) 2018, Joakim Brännström. All rights reserved.
3 License: MPL-2
4 Author: Joakim Brännström (joakim.brannstrom@gmx.com)
5 
6 This Source Code Form is subject to the terms of the Mozilla Public License,
7 v.2.0. If a copy of the MPL was not distributed with this file, You can obtain
8 one at http://mozilla.org/MPL/2.0/.
9 */
10 module dextool.plugin.mutate.backend.mutation_type.lcr;
11 
12 import std.typecons : Tuple;
13 
14 import dextool.plugin.mutate.backend.type;
15 
16 import dextool.plugin.mutate.backend.analyze.ast;
17 
18 auto lcrMutations(Kind operator) {
19     alias Rval = Tuple!(Mutation.Kind[], "op", Mutation.Kind[], "expr",
20             Mutation.Kind[], "lhs", Mutation.Kind[], "rhs");
21     Rval rval;
22 
23     switch (operator) with (Mutation.Kind) {
24     case Kind.OpAnd:
25         rval = Rval([lcrOr], [lcrTrue, lcrFalse], null, null);
26         break;
27     case Kind.OpOr:
28         rval = Rval([lcrAnd], [lcrTrue, lcrFalse], null, null);
29         break;
30         // TODO: add assign
31     case Kind.OpAndBitwise:
32         rval = Rval([lcrbOr], null, [lcrbLhs], [lcrbRhs]);
33         break;
34     case Kind.OpOrBitwise:
35         rval = Rval([lcrbAnd], null, [lcrbLhs], [lcrbRhs]);
36         break;
37     case Kind.OpAssignAndBitwise:
38         rval = Rval([lcrbOrAssign], null, null, null);
39         break;
40     case Kind.OpAssignOrBitwise:
41         rval = Rval([lcrbAndAssign], null, null, null);
42         break;
43     default:
44     }
45 
46     return rval;
47 }
48 
49 immutable Mutation.Kind[] lcrMutationsAll;
50 
51 shared static this() {
52     with (Mutation.Kind) {
53         lcrMutationsAll = [
54             lcrAnd, lcrOr, lcrLhs, lcrRhs, lcrTrue, lcrFalse, lcrbAnd, lcrbOr,
55             lcrbLhs, lcrbRhs
56         ];
57     }
58 }