summaryrefslogtreecommitdiffstats
path: root/tools/slang-cpp-parser/identifier-lookup.cpp
blob: 3a704a454a637ea5050eb961658b2900dc8af818 (plain)
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
167
168
169
170
171
172
173
174
175
176
177
#include "identifier-lookup.h"

namespace CppParse
{
using namespace Slang;

/* static */ const IdentifierFlags
    IdentifierLookup::kIdentifierFlags[Index(IdentifierStyle::CountOf)] = {
        0,                       /// None
        0,                       /// Identifier
        0,                       /// Declare type
        0,                       /// Type set
        IdentifierFlag::Keyword, /// TypeModifier
        IdentifierFlag::Keyword, /// Keyword

        IdentifierFlag::Keyword | IdentifierFlag::StartScope | IdentifierFlag::ClassLike, /// Class
        IdentifierFlag::Keyword | IdentifierFlag::StartScope | IdentifierFlag::ClassLike, /// Struct
        IdentifierFlag::Keyword | IdentifierFlag::StartScope, /// Namespace
        IdentifierFlag::Keyword | IdentifierFlag::StartScope, /// Enum

        IdentifierFlag::Keyword, /// Typedef

        IdentifierFlag::Keyword,    /// Access
        IdentifierFlag::Reflection, /// Reflected
        IdentifierFlag::Reflection, /// Unreflected

        IdentifierFlag::Keyword, /// virtual
        0,                       /// Calling convention
        IdentifierFlag::Keyword, /// template
        IdentifierFlag::Keyword, /// static

        IdentifierFlag::Keyword, /// unsigned/signed

        IdentifierFlag::Keyword, /// extern

        0, /// Callable misc
        0, /// IntegerType int, short, char, long

        IdentifierFlag::Keyword, /// default
};

void IdentifierLookup::set(const UnownedStringSlice& name, IdentifierStyle style)
{
    StringSlicePool::Handle handle;
    if (m_pool.findOrAdd(name, handle))
    {
        // Add the extra flags
        m_styles[Index(handle)] = style;
    }
    else
    {
        Index index = Index(handle);
        SLANG_ASSERT(index == m_styles.getCount());
        m_styles.add(style);
    }
}

void IdentifierLookup::set(const char* const* names, size_t namesCount, IdentifierStyle style)
{
    for (size_t i = 0; i < namesCount; ++i)
    {
        set(UnownedStringSlice(names[i]), style);
    }
}

void IdentifierLookup::set(const Pair* pairs, Index pairsCount)
{
    for (Index i = 0; i < pairsCount; ++i)
    {
        const auto& pair = pairs[i];
        set(UnownedStringSlice(pair.name), pair.style);
    }
}

void IdentifierLookup::initDefault(const UnownedStringSlice& markPrefix)
{
    reset();

    // Some keywords
    {
        const char* names[] = {
            "continue",
            "if",
            "case",
            "break",
            "catch",
            "delete",
            "do",
            "else",
            "for",
            "new",
            "goto",
            "return",
            "switch",
            "throw",
            "using",
            "while",
            "operator",
            "explicit"};
        set(names, SLANG_COUNT_OF(names), IdentifierStyle::Keyword);
    }

    // Type modifier keywords
    {
        const char* names[] = {"const", "volatile"};
        set(names, SLANG_COUNT_OF(names), IdentifierStyle::TypeModifier);
    }

    // Special markers
    {
        const char* names[] = {"PRE_DECLARE", "TYPE_SET", "REFLECTED", "UNREFLECTED"};
        const IdentifierStyle styles[] = {
            IdentifierStyle::PreDeclare,
            IdentifierStyle::TypeSet,
            IdentifierStyle::Reflected,
            IdentifierStyle::Unreflected};
        SLANG_COMPILE_TIME_ASSERT(SLANG_COUNT_OF(names) == SLANG_COUNT_OF(styles));

        StringBuilder buf;
        for (Index i = 0; i < SLANG_COUNT_OF(names); ++i)
        {
            buf.clear();
            buf << markPrefix << names[i];
            set(buf.getUnownedSlice(), styles[i]);
        }
    }

    {
        set("virtual", IdentifierStyle::Virtual);

        set("template", IdentifierStyle::Template);
        set("static", IdentifierStyle::Static);
        set("extern", IdentifierStyle::Extern);
        set("default", IdentifierStyle::Default);
    }

    {
        const char* names[] = {"char", "short", "int", "long"};
        set(names, SLANG_COUNT_OF(names), IdentifierStyle::IntegerType);
    }

    {
        const char* names[] = {"SLANG_MCALL"};
        set(names, SLANG_COUNT_OF(names), IdentifierStyle::CallingConvention);
    }

    {
        const char* names[] = {"SLANG_NO_THROW", "inline"};
        set(names, SLANG_COUNT_OF(names), IdentifierStyle::CallableMisc);
    }

    // Keywords which introduce types/scopes
    {
        const Pair pairs[] = {
            {"struct", IdentifierStyle::Struct},
            {"class", IdentifierStyle::Class},
            {"namespace", IdentifierStyle::Namespace},
            {"enum", IdentifierStyle::Enum},
            {"typedef", IdentifierStyle::TypeDef},
        };

        set(pairs, SLANG_COUNT_OF(pairs));
    }

    // Keywords that control access
    {
        const char* names[] = {"private", "protected", "public"};
        set(names, SLANG_COUNT_OF(names), IdentifierStyle::Access);
    }
    {
        const char* names[] = {"signed", "unsigned"};

        set(names, SLANG_COUNT_OF(names), IdentifierStyle::IntegerModifier);
    }
}

} // namespace CppParse