solidity/docs/utils/SolidityLexer.py
2017-11-23 12:13:00 +00:00

83 lines
3.6 KiB
Python

# -*- 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|@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'(anonymous|as|assembly|break|constant|continue|do|delete|else|external|for|hex|if|'
r'indexed|internal|import|is|mapping|memory|new|payable|public|pragma|'
r'private|pure|return|returns|storage|super|this|throw|using|view|while)\b', Keyword, 'slashstartsregex'),
(r'(var|function|event|modifier|struct|enum|contract|library|interface)\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)] +
['ufixed%dx%d' % ((i), (j + 8)) for i in range(0, 256, 8) for j in range(0, 256 - i, 8)] +
['fixed%dx%d' % ((i), (j + 8)) for i in range(0, 256, 8) for j in range(0, 256 - i, 8)]
) + r')\b', Keyword.Type, 'slashstartsregex'),
(r'(wei|szabo|finney|ether|seconds|minutes|hours|days|weeks|years)\b', Keyword.Type, 'slashstartsregex'),
(r'(abstract|after|case|catch|default|final|in|inline|let|match|'
r'null|of|relocatable|static|switch|try|type|typeof)\b', Keyword.Reserved),
(r'(true|false)\b', Keyword.Constant),
(r'(block|msg|tx|now|suicide|selfdestruct|addmod|mulmod|sha3|keccak256|log[0-4]|'
r'sha256|ecrecover|ripemd160|assert|revert|require)', Name.Builtin),
(r'[$a-zA-Z_][a-zA-Z0-9_]*', Name.Other),
(r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?', Number.Float),
(r'0x[0-9a-fA-F]+', Number.Hex),
(r'[0-9]+([eE][0-9]+)?', Number.Integer),
(r'"(\\\\|\\"|[^"])*"', String.Double),
(r"'(\\\\|\\'|[^'])*'", String.Single),
]
}