aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/Pygments/py3/pygments/lexers/vyper.py
blob: 415502890115bafade3d559cfef862c2eda0d829 (plain) (blame)
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
"""
    pygments.lexers.vyper
    ~~~~~~~~~~~~~~~~~~~~~

    Lexer for the Vyper Smart Contract language.

    :copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

from pygments.lexer import RegexLexer, bygroups, words
from pygments.token import (Comment, String, Name, Keyword, Number,
                            Operator, Punctuation, Text, Whitespace)

__all__ = ['VyperLexer']


class VyperLexer(RegexLexer):
    """For the Vyper smart contract language.
    """
    name = 'Vyper'
    aliases = ['vyper']
    filenames = ['*.vy']
    url = "https://vyper.readthedocs.io"
    version_added = '2.17'

    tokens = {
        'root': [
            # Whitespace
            (r'\s+', Whitespace),

            # Line continuations
            (r'(\\)(\n|\r\n|\r)', bygroups(Text, Whitespace)),

            # Comments - inline and multiline
            (r'#.*$', Comment.Single),
            (r'\"\"\"', Comment.Multiline, 'multiline-comment'),

            # Strings - single and double
            (r"'", String.Single, 'single-string'),
            (r'"', String.Double, 'double-string'),

            # Functions (working)
            (r'(def)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)',
             bygroups(Keyword, Whitespace, Name.Function)),

            # Event and Struct
            (r'(event|struct|interface|log)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)',
             bygroups(Keyword, Whitespace, Name.Class)),

            # Imports
            (r'(from)(\s+)(vyper\.\w+)(\s+)(import)(\s+)(\w+)',
             bygroups(Keyword, Whitespace, Name.Namespace, Whitespace,
                      Keyword, Whitespace, Name.Class)),

            # Numeric Literals
            (r'\b0x[0-9a-fA-F]+\b', Number.Hex),
            (r'\b(\d{1,3}(?:_\d{3})*|\d+)\b', Number.Integer),
            (r'\b\d+\.\d*\b', Number.Float),

            # Keywords
            (words(('def', 'event', 'pass', 'return', 'for', 'while', 'if', 'elif',
                    'else', 'assert', 'raise', 'import', 'in', 'struct', 'implements',
                    'interface', 'from', 'indexed', 'log'),
                   prefix=r'\b', suffix=r'\b'), Keyword),

            # Visibility and State Mutability
            (words(('public', 'private', 'view', 'pure', 'constant',
                    'immutable', 'nonpayable'), prefix=r'\b', suffix=r'\b'),
             Keyword.Declaration),

            # Built-in Functions
            (words(('bitwise_and', 'bitwise_not', 'bitwise_or', 'bitwise_xor', 'shift',
                    'create_minimal_proxy_to', 'create_copy_of', 'create_from_blueprint',
                    'ecadd', 'ecmul', 'ecrecover', 'keccak256', 'sha256', 'concat', 'convert',
                    'uint2str', 'extract32', 'slice', 'abs', 'ceil', 'floor', 'max', 'max_value',
                    'min', 'min_value', 'pow_mod256', 'sqrt', 'isqrt', 'uint256_addmod',
                    'uint256_mulmod', 'unsafe_add', 'unsafe_sub', 'unsafe_mul', 'unsafe_div',
                    'as_wei_value', 'blockhash', 'empty', 'len', 'method_id', '_abi_encode',
                    '_abi_decode', 'print', 'range'), prefix=r'\b', suffix=r'\b'),
             Name.Builtin),

            # Built-in Variables and Attributes
            (words(('msg.sender', 'msg.value', 'block.timestamp', 'block.number', 'msg.gas'),
                   prefix=r'\b', suffix=r'\b'),
             Name.Builtin.Pseudo),

            (words(('uint', 'uint8', 'uint16', 'uint32', 'uint64', 'uint128', 'uint256',
                    'int', 'int8', 'int16', 'int32', 'int64', 'int128', 'int256', 'bool',
                    'decimal', 'bytes', 'bytes1', 'bytes2', 'bytes3', 'bytes4', 'bytes5',
                    'bytes6', 'bytes7', 'bytes8', 'bytes9', 'bytes10', 'bytes11',
                    'bytes12', 'bytes13', 'bytes14', 'bytes15', 'bytes16', 'bytes17',
                    'bytes18', 'bytes19', 'bytes20', 'bytes21', 'bytes22', 'bytes23',
                    'bytes24', 'bytes25', 'bytes26', 'bytes27', 'bytes28', 'bytes29',
                    'bytes30', 'bytes31', 'bytes32', 'string', 'String', 'address',
                    'enum', 'struct'), prefix=r'\b', suffix=r'\b'),
             Keyword.Type),

            # indexed keywords
            (r'\b(indexed)\b(\s*)(\()(\s*)(\w+)(\s*)(\))',
             bygroups(Keyword, Whitespace, Punctuation, Whitespace,
                      Keyword.Type, Punctuation)),

            # Operators and Punctuation
            (r'(\+|\-|\*|\/|<=?|>=?|==|!=|=|\||&|%)', Operator),
            (r'[.,:;()\[\]{}]', Punctuation),

            # Other variable names and types
            (r'@[\w.]+', Name.Decorator),
            (r'__\w+__', Name.Magic),  # Matches double underscores followed by word characters
            (r'EMPTY_BYTES32', Name.Constant),
            (r'\bERC20\b', Name.Class),
            (r'\bself\b', Name.Attribute),

            (r'Bytes\[\d+\]', Keyword.Type),

            # Generic names and variables
            (r'\b[a-zA-Z_]\w*\b:', Name.Variable),
            (r'\b[a-zA-Z_]\w*\b', Name),

        ],

        'multiline-comment': [
            (r'\"\"\"', Comment.Multiline, '#pop'),
            (r'[^"]+', Comment.Multiline),
            (r'\"', Comment.Multiline)
        ],

        'single-string': [
            (r"[^\\']+", String.Single),
            (r"'", String.Single, '#pop'),
            (r'\\.', String.Escape),
        ],

        'double-string': [
            (r'[^\\"]+', String.Double),
            (r'"', String.Double, '#pop'),
            (r'\\.', String.Escape),
        ]
    }