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"""
pygments.lexers.textedit
~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for languages related to text processing.
:copyright: Copyright 2006-2024 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.
"""
name = 'Awk'
aliases = ['awk', 'gawk', 'mawk', 'nawk']
filenames = ['*.awk']
mimetypes = ['application/x-awk']
url = 'https://en.wikipedia.org/wiki/AWK'
version_added = '1.5'
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'[$a-zA-Z_]\w*', Name.Other),
(r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
(r'0x[0-9a-fA-F]+', Number.Hex),
(r'[0-9]+', Number.Integer),
(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
(r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
]
}
class SedLexer(RegexLexer):
"""
Lexer for Sed script files.
"""
name = 'Sed'
aliases = ['sed', 'gsed', 'ssed']
filenames = ['*.sed', '*.[gs]sed']
mimetypes = ['text/x-sed']
url = 'https://en.wikipedia.org/wiki/Sed'
version_added = ''
flags = re.MULTILINE
# Match the contents within delimiters such as /<contents>/
_inside_delims = r'((?:(?:\\[^\n]|[^\\])*?\\\n)*?(?:\\.|[^\\])*?)'
tokens = {
'root': [
(r'\s+', Whitespace),
(r'#.*$', 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.
"""
name = 'VimL'
aliases = ['vim']
filenames = ['*.vim', '.vimrc', '.exrc', '.gvimrc',
'_vimrc', '_exrc', '_gvimrc', 'vimrc', 'gvimrc']
mimetypes = ['text/x-vim']
url = 'https://www.vim.org'
version_added = '0.8'
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
|
