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94 lines
3.2 KiB
94 lines
3.2 KiB
4 years ago
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# -*- coding: utf-8 -*-
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"""
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pygments.lexers.solidity
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~~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for Solidity.
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:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, bygroups, include, words
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation
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__all__ = ['SolidityLexer']
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class SolidityLexer(RegexLexer):
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"""
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For Solidity source code.
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.. versionadded:: 2.5
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"""
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name = 'Solidity'
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aliases = ['solidity']
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filenames = ['*.sol']
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mimetypes = []
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flags = re.MULTILINE | re.UNICODE
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datatype = (
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r'\b(address|bool|((bytes|hash|int|string|uint)(8|16|24|32|40|48|56|64'
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r'|72|80|88|96|104|112|120|128|136|144|152|160|168|176|184|192|200|208'
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r'|216|224|232|240|248|256)?))\b'
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)
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tokens = {
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'root': [
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include('whitespace'),
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include('comments'),
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(r'\bpragma\s+solidity\b', Keyword, 'pragma'),
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(r'\b(contract)(\s+)([a-zA-Z_]\w*)',
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bygroups(Keyword, Text.WhiteSpace, Name.Entity)),
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(datatype + r'(\s+)((external|public|internal|private)\s+)?' +
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r'([a-zA-Z_]\w*)',
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bygroups(Keyword.Type, None, None, None, Text.WhiteSpace, Keyword,
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None, Name.Variable)),
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(r'\b(enum|event|function|struct)(\s+)([a-zA-Z_]\w*)',
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bygroups(Keyword.Type, Text.WhiteSpace, Name.Variable)),
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(r'\b(msg|block|tx)\.([A-Za-z_][A-Za-z0-9_]*)\b', Keyword),
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(words((
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'block', 'break', 'constant', 'constructor', 'continue',
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'contract', 'do', 'else', 'external', 'false', 'for',
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'function', 'if', 'import', 'inherited', 'internal', 'is',
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'library', 'mapping', 'memory', 'modifier', 'msg', 'new',
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'payable', 'private', 'public', 'require', 'return',
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'returns', 'struct', 'suicide', 'throw', 'this', 'true',
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'tx', 'var', 'while'), prefix=r'\b', suffix=r'\b'),
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Keyword.Type),
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(words(('keccak256',), prefix=r'\b', suffix=r'\b'), Name.Builtin),
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(datatype, Keyword.Type),
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include('constants'),
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(r'[a-zA-Z_]\w*', Text),
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(r'[!<=>+*/-]', Operator),
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(r'[.;:{}(),\[\]]', Punctuation)
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],
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'comments': [
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(r'//(\n|[\w\W]*?[^\\]\n)', Comment.Single),
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(r'/(\\\n)?[*][\w\W]*?[*](\\\n)?/', Comment.Multiline),
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(r'/(\\\n)?[*][\w\W]*', Comment.Multiline)
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],
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'constants': [
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(r'("([\\]"|.)*?")', String.Double),
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(r"('([\\]'|.)*?')", String.Single),
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(r'\b0[xX][0-9a-fA-F]+\b', Number.Hex),
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(r'\b\d+\b', Number.Decimal),
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],
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'pragma': [
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include('whitespace'),
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include('comments'),
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(r'(\^|>=|<)(\s*)(\d+\.\d+\.\d+)',
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bygroups(Operator, Text.WhiteSpace, Keyword)),
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(r';', Punctuation, '#pop')
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],
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'whitespace': [
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(r'\s+', Text.WhiteSpace),
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(r'\n', Text.WhiteSpace)
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]
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}
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