bytebraise-syntax 0.1.0

BitBake parsing, syntax, and AST definitions for bytebraise
Documentation 
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

use bytebraise_lexer::token::TokenKind;

pub fn syntax_kind_for_token_kind(token_kind: TokenKind) -> SyntaxKind {
    match token_kind {
        TokenKind::Error(_) => unimplemented!("TODO return error too"),
        TokenKind::AddHandler => SyntaxKind::AddHandler,
        TokenKind::AddTask => SyntaxKind::AddTask,
        TokenKind::After => SyntaxKind::After,
        TokenKind::Before => SyntaxKind::Before,
        TokenKind::CloseParenthesis => SyntaxKind::CloseParenthesis,
        TokenKind::Colon => SyntaxKind::Colon,
        TokenKind::ColonEquals => SyntaxKind::ColonEquals,
        TokenKind::Comment => SyntaxKind::Comment,
        TokenKind::DefaultEquals => SyntaxKind::DefaultEquals,
        TokenKind::DelTask => SyntaxKind::DelTask,
        TokenKind::DotEquals => SyntaxKind::DotEquals,
        TokenKind::DoubleQuote => SyntaxKind::DoubleQuote,
        TokenKind::DoubleQuotedValue => SyntaxKind::DoubleQuotedValue,
        TokenKind::EndOfInput => SyntaxKind::EndOfInput,
        TokenKind::Equals => SyntaxKind::Equals,
        TokenKind::EqualsDot => SyntaxKind::EqualsDot,
        TokenKind::EqualsPlus => SyntaxKind::EqualsPlus,
        TokenKind::EscapedNewline => SyntaxKind::EscapedNewline,
        TokenKind::Export => SyntaxKind::Export,
        TokenKind::ExportFunctions => SyntaxKind::ExportFunctions,
        TokenKind::Fakeroot => SyntaxKind::Fakeroot,
        TokenKind::Identifier => SyntaxKind::Identifier,
        TokenKind::DirectiveArgument => SyntaxKind::DirectiveArgument,
        TokenKind::Include => SyntaxKind::Include,
        TokenKind::Inherit => SyntaxKind::Inherit,
        TokenKind::Newline => SyntaxKind::Newline,
        TokenKind::OpenParenthesis => SyntaxKind::OpenParenthesis,
        TokenKind::PlusEquals => SyntaxKind::PlusEquals,
        TokenKind::Python => SyntaxKind::Python,
        TokenKind::PythonDefKeyword => SyntaxKind::PythonDefKeyword,
        TokenKind::PythonDefFunctionName => SyntaxKind::PythonDefFunctionName,
        TokenKind::PythonDefFunctionArgs => SyntaxKind::PythonDefFunctionArgs,
        TokenKind::PythonDefFunctionBody => SyntaxKind::PythonDefFunctionBody,
        TokenKind::Require => SyntaxKind::Require,
        TokenKind::SingleQuote => SyntaxKind::SingleQuote,
        TokenKind::SingleQuotedValue => SyntaxKind::SingleQuotedValue,
        TokenKind::SquareCloseBracket => SyntaxKind::SquareCloseBracket,
        TokenKind::SquareOpenBracket => SyntaxKind::SquareOpenBracket,
        TokenKind::Task => SyntaxKind::Task,
        TokenKind::UnquotedValue => SyntaxKind::UnquotedValue,
        TokenKind::Unset => SyntaxKind::Unset,
        TokenKind::Varflag => SyntaxKind::Varflag,
        TokenKind::WeakEquals => SyntaxKind::WeakEquals,
        TokenKind::Whitespace => SyntaxKind::Whitespace,
    }
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[repr(u16)]
pub enum SyntaxKind {
    Error = 0,

    // Tokens
    AddHandler,
    AddTask,
    After,
    Before,
    CloseParenthesis,
    Colon,
    ColonEquals,
    Comment,
    DefaultEquals,
    DelTask,
    DotEquals,
    DoubleQuote,
    DoubleQuotedValue,
    EndOfInput,
    Equals,
    EqualsDot,
    EqualsPlus,
    EscapedNewline,
    Export,
    ExportFunctions,
    Fakeroot,
    Identifier,
    DirectiveArgument,
    Include,
    Inherit,
    Newline,
    OpenParenthesis,
    PlusEquals,
    Python,
    PythonDefKeyword,
    PythonDefFunctionName,
    PythonDefFunctionArgs,
    PythonDefFunctionBody,
    Require,
    SingleQuote,
    SingleQuotedValue,
    SquareCloseBracket,
    SquareOpenBracket,
    Task,
    UnquotedValue,
    Unset,
    Varflag,
    WeakEquals,
    Whitespace = 0x200, // << last token

    // Compound nodes representing top-level metadata items
    AssignmentNode,
    ExportNode,
    IncludeNode,
    RequireNode,
    TaskNode,
    UnsetNode,
    ExportFunctionsNode,
    InheritNode,
    PythonDefNode,
    AddTaskNode,
    DelTaskNode,
    AddHandlerNode,

    // Helper compound nodes that do not appear at the root of the AST
    IdentifierExpressionNode,

    // Compound top-level node (i.e. the metadata or config file)
    // Must be the last entry in the enum
    RootNode,
}

impl SyntaxKind {
    pub fn is_token(&self) -> bool {
        (*self as u16) <= (SyntaxKind::Whitespace as u16)
    }

    pub fn is_node(&self) -> bool {
        !self.is_token()
    }

    pub fn is_whitespace(&self) -> bool {
        matches!(self, SyntaxKind::Whitespace | SyntaxKind::Newline)
    }

    pub fn is_end_of_input(&self) -> bool {
        matches!(self, SyntaxKind::EndOfInput)
    }

    pub fn is_assignment_operator(&self) -> bool {
        matches!(
            self,
            SyntaxKind::Equals
                | SyntaxKind::EqualsPlus
                | SyntaxKind::EqualsDot
                | SyntaxKind::WeakEquals
                | SyntaxKind::DefaultEquals
                | SyntaxKind::DotEquals
                | SyntaxKind::PlusEquals
                | SyntaxKind::ColonEquals
        )
    }
}