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142 lines
5.5 KiB
142 lines
5.5 KiB
"""
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pygments.lexers.vyper
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~~~~~~~~~~~~~~~~~~~~~
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Lexer for the Vyper Smart Contract language.
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:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, bygroups, words
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from pygments.token import (Comment, String, Name, Keyword, Number,
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Operator, Punctuation, Text, Whitespace)
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__all__ = ['VyperLexer']
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class VyperLexer(RegexLexer):
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"""For the Vyper smart contract language.
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.. versionadded:: 2.17
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"""
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name = 'Vyper'
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aliases = ['vyper']
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filenames = ['*.vy']
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url = "https://vyper.readthedocs.io"
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tokens = {
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'root': [
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# Whitespace
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(r'\s+', Whitespace),
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# Line continuations
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(r'(\\)(\n|\r\n|\r)', bygroups(Text, Whitespace)),
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# Comments - inline and multiline
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(r'#.*$', Comment.Single),
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(r'\"\"\"', Comment.Multiline, 'multiline-comment'),
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# Strings - single and double
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(r"'", String.Single, 'single-string'),
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(r'"', String.Double, 'double-string'),
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# Functions (working)
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(r'(def)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)',
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bygroups(Keyword, Whitespace, Name.Function)),
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# Event and Struct
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(r'(event|struct|interface|log)(\s+)([a-zA-Z_][a-zA-Z0-9_]*)',
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bygroups(Keyword, Whitespace, Name.Class)),
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# Imports
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(r'(from)(\s+)(vyper\.\w+)(\s+)(import)(\s+)(\w+)',
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bygroups(Keyword, Whitespace, Name.Namespace, Whitespace,
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Keyword, Whitespace, Name.Class)),
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# Numeric Literals
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(r'\b0x[0-9a-fA-F]+\b', Number.Hex),
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(r'\b(\d{1,3}(?:_\d{3})*|\d+)\b', Number.Integer),
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(r'\b\d+\.\d*\b', Number.Float),
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# Keywords
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(words(('def', 'event', 'pass', 'return', 'for', 'while', 'if', 'elif',
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'else', 'assert', 'raise', 'import', 'in', 'struct', 'implements',
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'interface', 'from', 'indexed', 'log'),
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prefix=r'\b', suffix=r'\b'), Keyword),
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# Visibility and State Mutability
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(words(('public', 'private', 'view', 'pure', 'constant',
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'immutable', 'nonpayable'), prefix=r'\b', suffix=r'\b'),
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Keyword.Declaration),
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# Built-in Functions
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(words(('bitwise_and', 'bitwise_not', 'bitwise_or', 'bitwise_xor', 'shift',
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'create_minimal_proxy_to', 'create_copy_of', 'create_from_blueprint',
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'ecadd', 'ecmul', 'ecrecover', 'keccak256', 'sha256', 'concat', 'convert',
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'uint2str', 'extract32', 'slice', 'abs', 'ceil', 'floor', 'max', 'max_value',
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'min', 'min_value', 'pow_mod256', 'sqrt', 'isqrt', 'uint256_addmod',
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'uint256_mulmod', 'unsafe_add', 'unsafe_sub', 'unsafe_mul', 'unsafe_div',
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'as_wei_value', 'blockhash', 'empty', 'len', 'method_id', '_abi_encode',
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'_abi_decode', 'print', 'range'), prefix=r'\b', suffix=r'\b'),
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Name.Builtin),
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# Built-in Variables and Attributes
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(words(('msg.sender', 'msg.value', 'block.timestamp', 'block.number', 'msg.gas'),
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prefix=r'\b', suffix=r'\b'),
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Name.Builtin.Pseudo),
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(words(('uint', 'uint8', 'uint16', 'uint32', 'uint64', 'uint128', 'uint256',
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'int', 'int8', 'int16', 'int32', 'int64', 'int128', 'int256', 'bool',
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'decimal', 'bytes', 'bytes1', 'bytes2', 'bytes3', 'bytes4', 'bytes5',
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'bytes6', 'bytes7', 'bytes8', 'bytes9', 'bytes10', 'bytes11',
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'bytes12', 'bytes13', 'bytes14', 'bytes15', 'bytes16', 'bytes17',
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'bytes18', 'bytes19', 'bytes20', 'bytes21', 'bytes22', 'bytes23',
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'bytes24', 'bytes25', 'bytes26', 'bytes27', 'bytes28', 'bytes29',
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'bytes30', 'bytes31', 'bytes32', 'string', 'String', 'address',
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'enum', 'struct'), prefix=r'\b', suffix=r'\b'),
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Keyword.Type),
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# indexed keywords
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(r'\b(indexed)\b(\s*)(\()(\s*)(\w+)(\s*)(\))',
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bygroups(Keyword, Whitespace, Punctuation, Whitespace,
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Keyword.Type, Punctuation)),
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# Operators and Punctuation
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(r'(\+|\-|\*|\/|<=?|>=?|==|!=|=|\||&|%)', Operator),
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(r'[.,:;()\[\]{}]', Punctuation),
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# Other variable names and types
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(r'@[\w.]+', Name.Decorator),
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(r'__\w+__', Name.Magic), # Matches double underscores followed by word characters
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(r'EMPTY_BYTES32', Name.Constant),
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(r'\bERC20\b', Name.Class),
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(r'\bself\b', Name.Attribute),
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(r'Bytes\[\d+\]', Keyword.Type),
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# Generic names and variables
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(r'\b[a-zA-Z_]\w*\b:', Name.Variable),
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(r'\b[a-zA-Z_]\w*\b', Name),
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],
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'multiline-comment': [
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(r'\"\"\"', Comment.Multiline, '#pop'),
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(r'[^"]+', Comment.Multiline),
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(r'\"', Comment.Multiline)
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],
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'single-string': [
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(r"[^\\']+", String.Single),
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(r"'", String.Single, '#pop'),
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(r'\\.', String.Escape),
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],
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'double-string': [
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(r'[^\\"]+', String.Double),
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(r'"', String.Double, '#pop'),
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(r'\\.', String.Escape),
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]
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}
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