mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
86 lines
3.6 KiB
Python
86 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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import re
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import copy
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from pygments.lexer import RegexLexer, ExtendedRegexLexer, bygroups, using, \
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include, this
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Other, Punctuation, Literal
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__all__ = ['SolidityLexer']
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class SolidityLexer(RegexLexer):
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name = "Solidity"
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aliases = ['sol', 'solidity']
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filenames = ['*.sol']
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mimetypes = []
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flags = re.DOTALL
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tokens = {
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'commentsandwhitespace': [
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(r'\s+', Text),
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(r'<!--', Comment),
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(r'///', Comment.Special, 'docstringsingle'),
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(r'//.*?\n', Comment.Single),
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(r'/\*\*', Comment.Special, 'docstringmulti'),
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(r'/\*.*?\*/', Comment.Multiline)
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],
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'natspec': [
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(r'@author|@dev|@notice|@return|@param|@why3|@title', Keyword),
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(r'.[^@*\n]*?', Comment.Special)
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],
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'docstringsingle': [
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(r'\n', Comment.Special, '#pop'),
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include('natspec')
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],
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'docstringmulti': [
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(r'\*/', Comment.Special, '#pop'),
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include('natspec')
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],
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'slashstartsregex': [
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include('commentsandwhitespace'),
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(r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
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r'([gim]+\b|\B)', String.Regex, '#pop'),
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(r'(?=/)', Text, ('#pop', 'badregex')),
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(r'', Text, '#pop')
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],
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'badregex': [
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(r'\n', Text, '#pop')
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],
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'root': [
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(r'^(?=\s|/|<!--)', Text, 'slashstartsregex'),
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include('commentsandwhitespace'),
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(r'\+\+|--|\*\*|~|&&|\?|:|\|\||\\(?=\n)|'
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r'(<<|>>>?|==?|!=?|[-<>+*%&\|\^/])=?', Operator, 'slashstartsregex'),
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(r'[{(\[;,]', Punctuation, 'slashstartsregex'),
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(r'[})\].]', Punctuation),
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(r'(for|in|while|do|break|return|continue|switch|case|default|if|else|'
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r'throw|try|catch|finally|new|delete|typeof|instanceof|void|'
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r'this|import|mapping|returns|private|public|external|internal|'
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r'constant|memory|storage)\b', Keyword, 'slashstartsregex'),
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(r'(var|let|with|function|event|modifier|struct|enum|contract)\b', Keyword.Declaration, 'slashstartsregex'),
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(r'(bytes|string|address|uint|int|bool|byte|' +
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'|'.join(
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['uint%d' % (i + 8) for i in range(0, 256, 8)] +
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['int%d' % (i + 8) for i in range(0, 256, 8)] +
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['bytes%d' % (i + 1) for i in range(0, 32)]
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) + r')\b', Keyword.Type, 'slashstartsregex'),
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(r'(abstract|boolean|byte|char|class|const|debugger|double|enum|export|'
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r'extends|final|float|goto|implements|int|interface|long|native|'
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r'package|private|protected|public|short|static|super|synchronized|throws|'
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r'transient|volatile)\b', Keyword.Reserved),
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(r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
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(r'(Array|Boolean|Date|Error|Function|Math|netscape|'
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r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
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r'decodeURIComponent|encodeURI|encodeURIComponent|'
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r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
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r'window)\b', Name.Builtin),
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(r'[$a-zA-Z_][a-zA-Z0-9_]*', Name.Other),
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(r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
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(r'0x[0-9a-fA-F]+', Number.Hex),
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(r'[0-9]+', Number.Integer),
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(r'"(\\\\|\\"|[^"])*"', String.Double),
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(r"'(\\\\|\\'|[^'])*'", String.Single),
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]
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}
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