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""" pygments.lexers.textedit ~~~~~~~~~~~~~~~~~~~~~~~~ Lexers for languages related to text processing. :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ import re from bisect import bisect from pygments.lexer import RegexLexer, bygroups, default, include, this, using from pygments.lexers.python import PythonLexer from pygments.token import Comment, Keyword, Name, Number, Operator, \ Punctuation, String, Text, Whitespace __all__ = ['AwkLexer', 'SedLexer', 'VimLexer'] class AwkLexer(RegexLexer): """ For Awk scripts. .. versionadded:: 1.5 """ name = 'Awk' aliases = ['awk', 'gawk', 'mawk', 'nawk'] filenames = ['*.awk'] mimetypes = ['application/x-awk'] tokens = { 'commentsandwhitespace': [ (r'\s+', Text), (r'#.*$', Comment.Single) ], 'slashstartsregex': [ include('commentsandwhitespace'), (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/' r'\B', String.Regex, '#pop'), (r'(?=/)', Text, ('#pop', 'badregex')), default('#pop') ], 'badregex': [ (r'\n', Text, '#pop') ], 'root': [ (r'^(?=\s|/)', Text, 'slashstartsregex'), include('commentsandwhitespace'), (r'\+\+|--|\|\||&&|in\b|\$|!?~|' r'(\*\*|[-<>+*%\^/!=|])=?', Operator, 'slashstartsregex'), (r'[{(\[;,]', Punctuation, 'slashstartsregex'), (r'[})\].]', Punctuation), (r'(break|continue|do|while|exit|for|if|else|' r'return)\b', Keyword, 'slashstartsregex'), (r'function\b', Keyword.Declaration, 'slashstartsregex'), (r'(atan2|cos|exp|int|log|rand|sin|sqrt|srand|gensub|gsub|index|' r'length|match|split|sprintf|sub|substr|tolower|toupper|close|' r'fflush|getline|next|nextfile|print|printf|strftime|systime|' r'delete|system)\b', Keyword.Reserved), (r'(ARGC|ARGIND|ARGV|BEGIN|CONVFMT|ENVIRON|END|ERRNO|FIELDWIDTHS|' r'FILENAME|FNR|FS|IGNORECASE|NF|NR|OFMT|OFS|ORFS|RLENGTH|RS|' r'RSTART|RT|SUBSEP)\b', Name.Builtin), (r'[$a-zA-Z_]\w*', Name.Other), (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float), (r'0x[0-9a-fA-F]+', Number.Hex), (r'[0-9]+', Number.Integer), (r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double), (r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single), ] } class SedLexer(RegexLexer): """ Lexer for Sed script files. """ name = 'Sed' aliases = ['sed', 'gsed', 'ssed'] filenames = ['*.sed', '*.[gs]sed'] mimetypes = ['text/x-sed'] flags = re.MULTILINE # Match the contents within delimiters such as /<contents>/ _inside_delims = r'((?:(?:\\[^\n]|[^\\])*?\\\n)*?(?:\\.|[^\\])*?)' tokens = { 'root': [ (r'\s+', Whitespace), (r'#.*$', Comment.Single), (r'[0-9]+', Number.Integer), (r'\$', Operator), (r'[{};,!]', Punctuation), (r'[dDFgGhHlnNpPqQxz=]', Keyword), (r'([berRtTvwW:])([^;\n]*)', bygroups(Keyword, String.Single)), (r'([aci])((?:.*?\\\n)*(?:.*?[^\\]$))', bygroups(Keyword, String.Double)), (r'([qQ])([0-9]*)', bygroups(Keyword, Number.Integer)), (r'(/)' + _inside_delims + r'(/)', bygroups(Punctuation, String.Regex, Punctuation)), (r'(\\(.))' + _inside_delims + r'(\2)', bygroups(Punctuation, None, String.Regex, Punctuation)), (r'(y)(.)' + _inside_delims + r'(\2)' + _inside_delims + r'(\2)', bygroups(Keyword, Punctuation, String.Single, Punctuation, String.Single, Punctuation)), (r'(s)(.)' + _inside_delims + r'(\2)' + _inside_delims + r'(\2)((?:[gpeIiMm]|[0-9])*)', bygroups(Keyword, Punctuation, String.Regex, Punctuation, String.Single, Punctuation, Keyword)) ] } class VimLexer(RegexLexer): """ Lexer for VimL script files. .. versionadded:: 0.8 """ name = 'VimL' aliases = ['vim'] filenames = ['*.vim', '.vimrc', '.exrc', '.gvimrc', '_vimrc', '_exrc', '_gvimrc', 'vimrc', 'gvimrc'] mimetypes = ['text/x-vim'] flags = re.MULTILINE _python = r'py(?:t(?:h(?:o(?:n)?)?)?)?' tokens = { 'root': [ (r'^([ \t:]*)(' + _python + r')([ \t]*)(<<)([ \t]*)(.*)((?:\n|.)*)(\6)', bygroups(using(this), Keyword, Text, Operator, Text, Text, using(PythonLexer), Text)), (r'^([ \t:]*)(' + _python + r')([ \t])(.*)', bygroups(using(this), Keyword, Text, using(PythonLexer))), (r'^\s*".*', Comment), (r'[ \t]+', Text), # TODO: regexes can have other delims (r'/[^/\\\n]*(?:\\[\s\S][^/\\\n]*)*/', String.Regex), (r'"[^"\\\n]*(?:\\[\s\S][^"\\\n]*)*"', String.Double), (r"'[^\n']*(?:''[^\n']*)*'", String.Single), # Who decided that doublequote was a good comment character?? (r'(?<=\s)"[^\-:.%#=*].*', Comment), (r'-?\d+', Number), (r'#[0-9a-f]{6}', Number.Hex), (r'^:', Punctuation), (r'[()<>+=!|,~-]', Punctuation), # Inexact list. Looks decent. (r'\b(let|if|else|endif|elseif|fun|function|endfunction)\b', Keyword), (r'\b(NONE|bold|italic|underline|dark|light)\b', Name.Builtin), (r'\b\w+\b', Name.Other), # These are postprocessed below (r'.', Text), ], } def __init__(self, **options): from pygments.lexers._vim_builtins import auto, command, option self._cmd = command self._opt = option self._aut = auto RegexLexer.__init__(self, **options) def is_in(self, w, mapping): r""" It's kind of difficult to decide if something might be a keyword in VimL because it allows you to abbreviate them. In fact, 'ab[breviate]' is a good example. :ab, :abbre, or :abbreviate are valid ways to call it so rather than making really awful regexps like:: \bab(?:b(?:r(?:e(?:v(?:i(?:a(?:t(?:e)?)?)?)?)?)?)?)?\b we match `\b\w+\b` and then call is_in() on those tokens. See `scripts/get_vimkw.py` for how the lists are extracted. """ p = bisect(mapping, (w,)) if p > 0: if mapping[p-1][0] == w[:len(mapping[p-1][0])] and \ mapping[p-1][1][:len(w)] == w: return True if p < len(mapping): return mapping[p][0] == w[:len(mapping[p][0])] and \ mapping[p][1][:len(w)] == w return False def get_tokens_unprocessed(self, text): # TODO: builtins are only subsequent tokens on lines # and 'keywords' only happen at the beginning except # for :au ones for index, token, value in \ RegexLexer.get_tokens_unprocessed(self, text): if token is Name.Other: if self.is_in(value, self._cmd): yield index, Keyword, value elif self.is_in(value, self._opt) or \ self.is_in(value, self._aut): yield index, Name.Builtin, value else: yield index, Text, value else: yield index, token, value