codekingpro/portable-devtools

1"""2    pygments.lexers.devicetree3    ~~~~~~~~~~~~~~~~~~~~~~~~~~4 5    Lexers for Devicetree language.6 7    :copyright: Copyright 2006-present by the Pygments team, see AUTHORS.8    :license: BSD, see LICENSE for details.9"""10 11from pygments.lexer import RegexLexer, bygroups, include, default, words12from pygments.token import Comment, Keyword, Name, Number, Operator, \13    Punctuation, String, Text, Whitespace14 15__all__ = ['DevicetreeLexer']16 17 18class DevicetreeLexer(RegexLexer):19    """20    Lexer for Devicetree files.21    """22 23    name = 'Devicetree'24    url = 'https://www.devicetree.org/'25    aliases = ['devicetree', 'dts']26    filenames = ['*.dts', '*.dtsi']27    mimetypes = ['text/x-c']28    version_added = '2.7'29 30    #: optional Whitespace or /*...*/ style comment31    _ws = r'\s*(?:/[*][^*/]*?[*]/\s*)*'32 33    tokens = {34        'macro': [35            # Include preprocessor directives (C style):36            (r'(#include)(' + _ws + r')([^\n]+)',37             bygroups(Comment.Preproc, Comment.Multiline, Comment.PreprocFile)),38            # Define preprocessor directives (C style):39            (r'(#define)(' + _ws + r')([^\n]+)',40             bygroups(Comment.Preproc, Comment.Multiline, Comment.Preproc)),41            # devicetree style with file:42            (r'(/[^*/{]+/)(' + _ws + r')("[^\n{]+")',43             bygroups(Comment.Preproc, Comment.Multiline, Comment.PreprocFile)),44            # devicetree style with property:45            (r'(/[^*/{]+/)(' + _ws + r')([^\n;{]*)([;]?)',46             bygroups(Comment.Preproc, Comment.Multiline, Comment.Preproc, Punctuation)),47        ],48        'whitespace': [49            (r'\n', Whitespace),50            (r'\s+', Whitespace),51            (r'\\\n', Text),  # line continuation52            (r'//(\n|[\w\W]*?[^\\]\n)', Comment.Single),53            (r'/(\\\n)?[*][\w\W]*?[*](\\\n)?/', Comment.Multiline),54            # Open until EOF, so no ending delimiter55            (r'/(\\\n)?[*][\w\W]*', Comment.Multiline),56        ],57        'statements': [58            (r'(L?)(")', bygroups(String.Affix, String), 'string'),59            (r'0x[0-9a-fA-F]+', Number.Hex),60            (r'\d+', Number.Integer),61            (r'([^\s{}/*]*)(\s*)(:)', bygroups(Name.Label, Text, Punctuation), '#pop'),62            (words(('compatible', 'model', 'phandle', 'status', '#address-cells',63                    '#size-cells', 'reg', 'virtual-reg', 'ranges', 'dma-ranges',64                    'device_type', 'name'), suffix=r'\b'), Keyword.Reserved),65            (r'([~!%^&*+=|?:<>/#-])', Operator),66            (r'[(){},.\]]', Punctuation),67            (r'\[', Punctuation, 'bytestring'),68            (r'[a-zA-Z_][\w-]*(?=(?:\s*,' + _ws + r'[a-zA-Z_][\w-]*)*' + _ws + r'[=;])',69             Name),70            (r'[a-zA-Z_]\w*', Name.Attribute),71        ],72        'root': [73            include('whitespace'),74            include('macro'),75            # Overlay/fragment: &label { ... } or &{/path/to/node} { ... }76            (r'(&)(?:([A-Za-z_]\w*)|(\{)([^}]+)(\}))(' + _ws + r')(\{)',77             bygroups(Operator, Name.Function, Punctuation, Name.Namespace,78                      Punctuation, Comment.Multiline, Punctuation), 'node'),79            # Nodes80            (r'([^/*@\s&]+|/)(@?)((?:0x)?[0-9a-fA-F,]*)(' + _ws + r')(\{)',81             bygroups(Name.Function, Operator, Number.Integer,82                      Comment.Multiline, Punctuation), 'node'),83 84            default('statement'),85        ],86        'statement': [87            include('whitespace'),88            include('statements'),89            (';', Punctuation, '#pop'),90        ],91        'node': [92            include('whitespace'),93            include('macro'),94            # Overlay/fragment: &label { ... } or &{/path/to/node} { ... }95            (r'(&)(?:([A-Za-z_]\w*)|(\{)([^}]+)(\}))(' + _ws + r')(\{)',96             bygroups(Operator, Name.Function, Punctuation, Name.Namespace,97                      Punctuation, Comment.Multiline, Punctuation), '#push'),98            (r'([^/*@\s&]+|/)(@?)((?:0x)?[0-9a-fA-F,]*)(' + _ws + r')(\{)',99             bygroups(Name.Function, Operator, Number.Integer,100                      Comment.Multiline, Punctuation), '#push'),101 102            include('statements'),103 104            (r'\};', Punctuation, '#pop'),105            (';', Punctuation),106        ],107        'string': [108            (r'"', String, '#pop'),109            (r'\\([\\abfnrtv"\']|x[a-fA-F0-9]{2,4}|'110             r'u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|[0-7]{1,3})', String.Escape),111            (r'[^\\"\n]+', String),  # all other characters112            (r'\\\n', String),  # line continuation113            (r'\\', String),  # stray backslash114        ],115        'bytestring': [116            (r'\]', Punctuation, '#pop'),117            (r'[0-9a-fA-F]{2}', Number.Hex),118            (r'\s+', Whitespace),119        ],120    }121