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