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"""
pygments.lexers.solidity
~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for Solidity.
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from pygments.lexer import RegexLexer, bygroups, include, words
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Whitespace
__all__ = ['SolidityLexer']
class SolidityLexer(RegexLexer):
"""
For Solidity source code.
"""
name = 'Solidity'
aliases = ['solidity']
filenames = ['*.sol']
mimetypes = []
url = 'https://soliditylang.org'
version_added = '2.5'
datatype = (
r'\b(address|bool|(?:(?:bytes|hash|int|string|uint)(?:8|16|24|32|40|48|56|64'
r'|72|80|88|96|104|112|120|128|136|144|152|160|168|176|184|192|200|208'
r'|216|224|232|240|248|256)?))\b'
)
tokens = {
'root': [
include('whitespace'),
include('comments'),
(r'\bpragma\s+solidity\b', Keyword, 'pragma'),
(r'\b(contract)(\s+)([a-zA-Z_]\w*)',
bygroups(Keyword, Whitespace, Name.Entity)),
(datatype + r'(\s+)((?:external|public|internal|private)\s+)?' +
r'([a-zA-Z_]\w*)',
bygroups(Keyword.Type, Whitespace, Keyword, Name.Variable)),
(r'\b(enum|event|function|struct)(\s+)([a-zA-Z_]\w*)',
bygroups(Keyword.Type, Whitespace, Name.Variable)),
(r'\b(msg|block|tx)\.([A-Za-z_][a-zA-Z0-9_]*)\b', Keyword),
(words((
'block', 'break', 'constant', 'constructor', 'continue',
'contract', 'do', 'else', 'external', 'false', 'for',
'function', 'if', 'import', 'inherited', 'internal', 'is',
'library', 'mapping', 'memory', 'modifier', 'msg', 'new',
'payable', 'private', 'public', 'require', 'return',
'returns', 'struct', 'suicide', 'throw', 'this', 'true',
'tx', 'var', 'while'), prefix=r'\b', suffix=r'\b'),
Keyword.Type),
(words(('keccak256',), prefix=r'\b', suffix=r'\b'), Name.Builtin),
(datatype, Keyword.Type),
include('constants'),
(r'[a-zA-Z_]\w*', Text),
(r'[~!%^&*+=|?:<>/-]', Operator),
(r'[.;{}(),\[\]]', Punctuation)
],
'comments': [
(r'//(\n|[\w\W]*?[^\\]\n)', Comment.Single),
(r'/(\\\n)?[*][\w\W]*?[*](\\\n)?/', Comment.Multiline),
(r'/(\\\n)?[*][\w\W]*', Comment.Multiline)
],
'constants': [
(r'("(\\"|.)*?")', String.Double),
(r"('(\\'|.)*?')", String.Single),
(r'\b0[xX][0-9a-fA-F]+\b', Number.Hex),
(r'\b\d+\b', Number.Decimal),
],
'pragma': [
include('whitespace'),
include('comments'),
(r'(\^|>=|<)(\s*)(\d+\.\d+\.\d+)',
bygroups(Operator, Whitespace, Keyword)),
(r';', Punctuation, '#pop')
],
'whitespace': [
(r'\s+', Whitespace),
(r'\n', Whitespace)
]
}