PatternLanguage/tests/include/test_patterns/test_pattern_bitfields.hpp at cbea338a0558d004d9bde4b357b47921ec6f7216 · paxcut/PatternLanguage · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
#pragma once

#include "test_pattern.hpp"

#include <pl/patterns/pattern_bitfield.hpp>

namespace pl::test {

    class TestPatternBitfields : public TestPattern {
    public:
        TestPatternBitfields(core::Evaluator *evaluator) : TestPattern(evaluator, "Bitfields") {
            auto testBitfield = create<PatternBitfield>("TestBitfield", "testBitfield", 0x25, 0, 2 + 3 + (4 * 8), 0);

            std::vector<std::shared_ptr<Pattern>> bitfieldFields;
            {
                bitfieldFields.push_back(create<PatternBitfieldField>("", "a", 0x25, 0, 2, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "b", 0x25, 2, 3, 0, testBitfield.get()));

                auto nestedBitfield = create<PatternBitfield>("NestedBitfield", "c", 0x25, 5, 4 * 2, 0);
                std::vector<std::shared_ptr<Pattern>> nestedFields;
                {
                    nestedFields.push_back(create<PatternBitfieldField>("", "nestedA", 0x25, 5, 4, 0, testBitfield.get()));
                    nestedFields.push_back(create<PatternBitfieldField>("", "nestedB", 0x26, 1, 4, 0, testBitfield.get()));
                }
                nestedBitfield->setParent(testBitfield->reference());
                nestedBitfield->setFields(std::move(nestedFields));
                nestedBitfield->setEndian(std::endian::big);
                bitfieldFields.push_back(std::move(nestedBitfield));

                bitfieldFields.push_back(create<PatternBitfieldField>("", "d", 0x26, 5, 4, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "e", 0x27, 1, 4, 0, testBitfield.get()));

                auto array = create<PatternBitfieldArray>("NestedBitfield", "f", 0x27, 5, 4 * 4, 0);
                std::vector<std::shared_ptr<Pattern>> arrayEntries;
                {
                    auto array0Bitfield = create<PatternBitfield>("NestedBitfield", "[0]", 0x27, 5, 4 * 2, 0);
                    std::vector<std::shared_ptr<Pattern>> array0Fields;
                    {
                        array0Fields.push_back(create<PatternBitfieldField>("", "nestedA", 0x27, 5, 4, 0, array0Bitfield.get()));
                        array0Fields.push_back(create<PatternBitfieldField>("", "nestedB", 0x28, 1, 4, 0, array0Bitfield.get()));
                    }
                    array0Bitfield->setParent(array->reference());
                    array0Bitfield->setFields(std::move(array0Fields));
                    array0Bitfield->setEndian(std::endian::big);
                    arrayEntries.push_back(std::move(array0Bitfield));

                    auto array1Bitfield = create<PatternBitfield>("NestedBitfield", "[1]", 0x28, 5, 4 * 2, 0);
                    std::vector<std::shared_ptr<Pattern>> array1Fields;
                    {
                        array1Fields.push_back(create<PatternBitfieldField>("", "nestedA", 0x28, 5, 4, 0, array1Bitfield.get()));
                        array1Fields.push_back(create<PatternBitfieldField>("", "nestedB", 0x29, 1, 4, 0, array1Bitfield.get()));
                    }
                    array1Bitfield->setParent(array->reference());
                    array1Bitfield->setFields(std::move(array1Fields));
                    array1Bitfield->setEndian(std::endian::big);
                    arrayEntries.push_back(std::move(array1Bitfield));
                }
                array->setParent(testBitfield->reference());
                array->setEntries(arrayEntries);
                array->setEndian(std::endian::big);
                bitfieldFields.push_back(std::move(array));
            }

            testBitfield->setFields(std::move(bitfieldFields));
            testBitfield->setEndian(std::endian::big);

            addPattern(std::move(testBitfield));
        }
        ~TestPatternBitfields() override = default;

        [[nodiscard]] std::string getSourceCode() const override {
            return R"(
                bitfield NestedBitfield {
                    nestedA : 4;
                    nestedB : 4;
                };

                bitfield TestBitfield {
                    unsigned a : 2;
                    b : 3;
                    NestedBitfield c;
                    d : 4;
                    signed e : 4;
                    NestedBitfield f[c.nestedA];
                };

                be TestBitfield testBitfield @ 0x25;

                std::assert(testBitfield.a == 0x01, "Field A invalid");
                std::assert(testBitfield.b == 0x01, "Field B invalid");
                std::assert(testBitfield.c.nestedA == 0x02, "Nested field A invalid");
                std::assert(testBitfield.c.nestedB == 0x08, "Nested field B invalid");
                std::assert(testBitfield.d == 0x08, "Field D invalid");
                std::assert(testBitfield.e == -8, "Field E invalid");
                std::assert(testBitfield.f[0].nestedA == 0x02, "Nested array[0] field A invalid");
                std::assert(testBitfield.f[0].nestedB == 0x0A, "Nested array[0] field B invalid");
                std::assert(testBitfield.f[1].nestedA == 0x08, "Nested array[1] field A invalid");
                std::assert(testBitfield.f[1].nestedB == 0x0F, "Nested array[1] field B invalid");
            )";
        }
    };

    class TestPatternReversedBitfields : public TestPattern {
    public:
        TestPatternReversedBitfields(core::Evaluator *evaluator) : TestPattern(evaluator, "ReversedBitfields") {
            auto testBitfield = create<PatternBitfield>("Test", "test", 0x02, 0, 16, 0);

            std::vector<std::shared_ptr<Pattern>> bitfieldFields;
            {
                bitfieldFields.push_back(create<PatternBitfieldField>("", "flag0", 0x03, 7, 1, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "flag1", 0x03, 6, 1, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "flag2", 0x03, 5, 1, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "flag3", 0x03, 4, 1, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "flag4", 0x03, 3, 1, 0, testBitfield.get()));
                bitfieldFields.push_back(create<PatternBitfieldField>("", "flag5", 0x03, 2, 1, 0, testBitfield.get()));

                auto enumField = create<PatternBitfieldFieldEnum>("Enum", "enumerated", 0x02, 4, 6, 0, testBitfield.get());
                std::map<std::string, PatternEnum::EnumValue> values;
                {
                    values.insert({ "A", { 0x39, 0x39 } });
                }
                enumField->setEnumValues(std::move(values));
                bitfieldFields.push_back(std::move(enumField));
            }

            testBitfield->setFields(std::move(bitfieldFields));
            testBitfield->setEndian(std::endian::big);
            testBitfield->setReversed(true);
            testBitfield->addAttribute("bitfield_order", { 1, 16 });

            addPattern(std::move(testBitfield));
        }
        ~TestPatternReversedBitfields() override = default;

        [[nodiscard]] std::string getSourceCode() const override {
            return R"(
                #pragma endian big

                enum Enum : u8 {
                    A = 0x39,
                };

                bitfield Test {
                    bool flag0 : 1;
                    bool flag1 : 1;
                    bool flag2 : 1;
                    bool flag3 : 1;
                    bool flag4 : 1;
                    bool flag5 : 1;
                    Enum enumerated : 6;
                } [[bitfield_order(1, 16)]];

                Test test @ 2;

                std::assert(test.flag0 == true, "flag0 was invalid");
                std::assert(test.flag1 == true, "flag1 was invalid");
                std::assert(test.flag2 == true, "flag2 was invalid");
                std::assert(test.flag3 == false, "flag3 was invalid");
                std::assert(test.flag4 == false, "flag4 was invalid");
                std::assert(test.flag5 == false, "flag5 was invalid");
                std::assert(test.enumerated == Enum::A, "enumerated was invalid");
            )";
        }
    };

}