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1 # -*- coding: utf-8 -*- |
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2 """ |
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3 pygments.lexers.solidity |
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4 ~~~~~~~~~~~~~~~~~~~~~~~~ |
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5 |
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6 Lexers for Solidity. |
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7 |
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8 :copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS. |
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9 :license: BSD, see LICENSE for details. |
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10 """ |
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11 |
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12 import re |
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13 |
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14 from pygments.lexer import RegexLexer, bygroups, include, words |
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15 from pygments.token import Text, Comment, Operator, Keyword, Name, String, \ |
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16 Number, Punctuation |
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17 |
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18 __all__ = ['SolidityLexer'] |
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19 |
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20 |
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21 class SolidityLexer(RegexLexer): |
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22 """ |
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23 For Solidity source code. |
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24 |
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25 .. versionadded:: 2.5 |
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26 """ |
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27 |
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28 name = 'Solidity' |
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29 aliases = ['solidity'] |
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30 filenames = ['*.sol'] |
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31 mimetypes = [] |
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32 |
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33 flags = re.MULTILINE | re.UNICODE |
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34 |
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35 datatype = ( |
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36 r'\b(address|bool|((bytes|hash|int|string|uint)(8|16|24|32|40|48|56|64' |
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37 r'|72|80|88|96|104|112|120|128|136|144|152|160|168|176|184|192|200|208' |
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38 r'|216|224|232|240|248|256)?))\b' |
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39 ) |
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40 |
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41 tokens = { |
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42 'root': [ |
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43 include('whitespace'), |
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44 include('comments'), |
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45 (r'\bpragma\s+solidity\b', Keyword, 'pragma'), |
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46 (r'\b(contract)(\s+)([a-zA-Z_]\w*)', |
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47 bygroups(Keyword, Text.WhiteSpace, Name.Entity)), |
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48 (datatype + r'(\s+)((external|public|internal|private)\s+)?' + |
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49 r'([a-zA-Z_]\w*)', |
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50 bygroups(Keyword.Type, None, None, None, Text.WhiteSpace, Keyword, |
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51 None, Name.Variable)), |
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52 (r'\b(enum|event|function|struct)(\s+)([a-zA-Z_]\w*)', |
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53 bygroups(Keyword.Type, Text.WhiteSpace, Name.Variable)), |
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54 (r'\b(msg|block|tx)\.([A-Za-z_][A-Za-z0-9_]*)\b', Keyword), |
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55 (words(( |
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56 'block', 'break', 'constant', 'constructor', 'continue', |
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57 'contract', 'do', 'else', 'external', 'false', 'for', |
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58 'function', 'if', 'import', 'inherited', 'internal', 'is', |
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59 'library', 'mapping', 'memory', 'modifier', 'msg', 'new', |
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60 'payable', 'private', 'public', 'require', 'return', |
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61 'returns', 'struct', 'suicide', 'throw', 'this', 'true', |
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62 'tx', 'var', 'while'), prefix=r'\b', suffix=r'\b'), |
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63 Keyword.Type), |
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64 (words(('keccak256',), prefix=r'\b', suffix=r'\b'), Name.Builtin), |
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65 (datatype, Keyword.Type), |
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66 include('constants'), |
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67 (r'[a-zA-Z_]\w*', Text), |
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68 (r'[!<=>+*/-]', Operator), |
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69 (r'[.;:{}(),\[\]]', Punctuation) |
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70 ], |
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71 'comments': [ |
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72 (r'//(\n|[\w\W]*?[^\\]\n)', Comment.Single), |
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73 (r'/(\\\n)?[*][\w\W]*?[*](\\\n)?/', Comment.Multiline), |
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74 (r'/(\\\n)?[*][\w\W]*', Comment.Multiline) |
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75 ], |
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76 'constants': [ |
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77 (r'("([\\]"|.)*?")', String.Double), |
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78 (r"('([\\]'|.)*?')", String.Single), |
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79 (r'\b0[xX][0-9a-fA-F]+\b', Number.Hex), |
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80 (r'\b\d+\b', Number.Decimal), |
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81 ], |
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82 'pragma': [ |
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83 include('whitespace'), |
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84 include('comments'), |
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85 (r'(\^|>=|<)(\s*)(\d+\.\d+\.\d+)', |
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86 bygroups(Operator, Text.WhiteSpace, Keyword)), |
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87 (r';', Punctuation, '#pop') |
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88 ], |
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89 'whitespace': [ |
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90 (r'\s+', Text.WhiteSpace), |
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91 (r'\n', Text.WhiteSpace) |
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92 ] |
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93 } |