codekingpro/portable-devtools

1"""2    pygments.lexers.go3    ~~~~~~~~~~~~~~~~~~4 5    Lexers for the Google Go 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, words12from pygments.token import Text, Comment, Operator, Keyword, Name, String, \13    Number, Punctuation, Whitespace14 15__all__ = ['GoLexer']16 17 18class GoLexer(RegexLexer):19    """20    For Go source.21    """22    name = 'Go'23    url = 'https://go.dev/'24    filenames = ['*.go']25    aliases = ['go', 'golang']26    mimetypes = ['text/x-gosrc']27    version_added = '1.2'28 29    tokens = {30        'root': [31            (r'\n', Whitespace),32            (r'\s+', Whitespace),33            (r'(\\)(\n)', bygroups(Text, Whitespace)),  # line continuations34            (r'//(.*?)$', Comment.Single),35            (r'/(\\\n)?[*](.|\n)*?[*](\\\n)?/', Comment.Multiline),36            (r'(import|package)\b', Keyword.Namespace),37            (r'(var|func|struct|map|chan|type|interface|const)\b',38             Keyword.Declaration),39            (words((40                'break', 'default', 'select', 'case', 'defer', 'go',41                'else', 'goto', 'switch', 'fallthrough', 'if', 'range',42                'continue', 'for', 'return'), suffix=r'\b'),43             Keyword),44            (r'(true|false|iota|nil)\b', Keyword.Constant),45            # It seems the builtin types aren't actually keywords, but46            # can be used as functions. So we need two declarations.47            (words((48                'uint', 'uint8', 'uint16', 'uint32', 'uint64',49                'int', 'int8', 'int16', 'int32', 'int64',50                'float', 'float32', 'float64',51                'complex64', 'complex128', 'byte', 'rune',52                'string', 'bool', 'error', 'uintptr', 'any', 'comparable',53                'print', 'println', 'panic', 'recover', 'close', 'complex',54                'real', 'imag', 'len', 'cap', 'append', 'copy', 'delete',55                'new', 'make', 'min', 'max', 'clear'), suffix=r'\b(\()'),56             bygroups(Name.Builtin, Punctuation)),57            (words((58                'uint', 'uint8', 'uint16', 'uint32', 'uint64',59                'int', 'int8', 'int16', 'int32', 'int64',60                'float', 'float32', 'float64',61                'complex64', 'complex128', 'byte', 'rune',62                'string', 'bool', 'error', 'uintptr', 'any', 'comparable'), suffix=r'\b'),63             Keyword.Type),64            # imaginary_lit65            (r'\d+i', Number),66            (r'\d+\.\d*([Ee][-+]\d+)?i', Number),67            (r'\.\d+([Ee][-+]\d+)?i', Number),68            (r'\d+[Ee][-+]\d+i', Number),69            # float_lit70            (r'\d+(\.\d+[eE][+\-]?\d+|'71             r'\.\d*|[eE][+\-]?\d+)', Number.Float),72            (r'\.\d+([eE][+\-]?\d+)?', Number.Float),73            # int_lit74            # -- octal_lit75            (r'0[0-7]+', Number.Oct),76            # -- hex_lit77            (r'0[xX][0-9a-fA-F]+', Number.Hex),78            # -- decimal_lit79            (r'(0|[1-9][0-9]*)', Number.Integer),80            # char_lit81            (r"""'(\\['"\\abfnrtv]|\\x[0-9a-fA-F]{2}|\\[0-7]{1,3}"""82             r"""|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|[^\\])'""",83             String.Char),84            # StringLiteral85            # -- raw_string_lit86            (r'`[^`]*`', String),87            # -- interpreted_string_lit88            (r'"(\\\\|\\[^\\]|[^"\\])*"', String),89            # Tokens90            (r'(<<=|>>=|<<|>>|<=|>=|&\^=|&\^|\+=|-=|\*=|/=|%=|&=|\|=|&&|\|\|'91             r'|<-|\+\+|--|==|!=|:=|\.\.\.|[+\-*/%&]'92             r'|~|\|)', Operator),93            (r'[|^<>=!()\[\]{}.,;:]', Punctuation),94            # identifier95            (r'[^\W\d]\w*', Name.Other),96        ]97    }98