ThirdParty/Pygments/pygments/lexers/textedit.py

changeset 4172
4f20dba37ab6
child 4697
c2e9bf425554
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/Pygments/pygments/lexers/textedit.py	Wed Mar 11 18:32:27 2015 +0100
@@ -0,0 +1,169 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.textedit
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for languages related to text processing.
+
+    :copyright: Copyright 2006-2014 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/])*/', String.Regex),
+            (r'"(\\\\|\\"|[^\n"])*"', String.Double),
+            (r"'(''|[^\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

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