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# -*- coding: utf-8 -*-
"""
pygments.lexers.textedit
~~~~~~~~~~~~~~~~~~~~~~~~
Lexers for languages related to text processing.
:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from bisect import bisect
from pygments.lexer import RegexLexer, include, default, bygroups, using, this
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation
from pygments.lexers.python import PythonLexer
__all__ = ['AwkLexer', '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 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 command, option, auto
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
|
