Gecko [ www.jobworksschool.com ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-05 17:02
__init__.py	11.83 KB	-rw-r--r--	2024-02-02 13:26
_ada_builtins.py	1.51 KB	-rw-r--r--	2024-02-02 13:26
_asy_builtins.py	26.65 KB	-rw-r--r--	2024-02-02 13:26
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_lua_builtins.py	7.93 KB	-rw-r--r--	2024-02-02 13:26
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_mql_builtins.py	24.13 KB	-rw-r--r--	2024-02-02 13:26
_mysql_builtins.py	25.24 KB	-rw-r--r--	2024-02-02 13:26
_openedge_builtins.py	48.24 KB	-rw-r--r--	2024-02-02 13:26
_php_builtins.py	105.4 KB	-rw-r--r--	2024-02-02 13:26
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_qlik_builtins.py	12.3 KB	-rw-r--r--	2024-02-02 13:26
_scheme_builtins.py	31.8 KB	-rw-r--r--	2024-02-02 13:26
_scilab_builtins.py	51.18 KB	-rw-r--r--	2024-02-02 13:26
_sourcemod_builtins.py	26.15 KB	-rw-r--r--	2024-02-02 13:26
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_vim_builtins.py	55.73 KB	-rw-r--r--	2024-02-02 13:26
actionscript.py	11.4 KB	-rw-r--r--	2024-02-02 13:26
ada.py	5.2 KB	-rw-r--r--	2024-02-02 13:26
agile.py	876 B	-rw-r--r--	2024-02-02 13:26
algebra.py	9.64 KB	-rw-r--r--	2024-02-02 13:26
ambient.py	2.54 KB	-rw-r--r--	2024-02-02 13:26
amdgpu.py	1.63 KB	-rw-r--r--	2024-02-02 13:26
ampl.py	4.08 KB	-rw-r--r--	2024-02-02 13:26
apdlexer.py	30.04 KB	-rw-r--r--	2024-02-02 13:26
apl.py	3.33 KB	-rw-r--r--	2024-02-02 13:26
archetype.py	11.2 KB	-rw-r--r--	2024-02-02 13:26
arrow.py	3.48 KB	-rw-r--r--	2024-02-02 13:26
arturo.py	11.15 KB	-rw-r--r--	2024-02-02 13:26
asc.py	1.62 KB	-rw-r--r--	2024-02-02 13:26
asm.py	40.28 KB	-rw-r--r--	2024-02-02 13:26
asn1.py	4.16 KB	-rw-r--r--	2024-02-02 13:26
automation.py	19.35 KB	-rw-r--r--	2024-02-02 13:26
bare.py	2.95 KB	-rw-r--r--	2024-02-02 13:26
basic.py	27.27 KB	-rw-r--r--	2024-02-02 13:26
bdd.py	1.61 KB	-rw-r--r--	2024-02-02 13:26
berry.py	3.14 KB	-rw-r--r--	2024-02-02 13:26
bibtex.py	4.61 KB	-rw-r--r--	2024-02-02 13:26
blueprint.py	6.04 KB	-rw-r--r--	2024-02-02 13:26
boa.py	3.82 KB	-rw-r--r--	2024-02-02 13:26
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business.py	27.45 KB	-rw-r--r--	2024-02-02 13:26
c_cpp.py	17.53 KB	-rw-r--r--	2024-02-02 13:26
c_like.py	28.52 KB	-rw-r--r--	2024-02-02 13:26
capnproto.py	2.12 KB	-rw-r--r--	2024-02-02 13:26
carbon.py	3.15 KB	-rw-r--r--	2024-02-02 13:26
cddl.py	5.06 KB	-rw-r--r--	2024-02-02 13:26
chapel.py	5.04 KB	-rw-r--r--	2024-02-02 13:26
clean.py	6.25 KB	-rw-r--r--	2024-02-02 13:26
comal.py	3.08 KB	-rw-r--r--	2024-02-02 13:26
compiled.py	1.37 KB	-rw-r--r--	2024-02-02 13:26
configs.py	48.9 KB	-rw-r--r--	2024-02-02 13:26
console.py	4.05 KB	-rw-r--r--	2024-02-02 13:26
cplint.py	1.36 KB	-rw-r--r--	2024-02-02 13:26
crystal.py	15.39 KB	-rw-r--r--	2024-02-02 13:26
csound.py	16.6 KB	-rw-r--r--	2024-02-02 13:26
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dotnet.py	36.74 KB	-rw-r--r--	2024-02-02 13:26
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dylan.py	10.08 KB	-rw-r--r--	2024-02-02 13:26
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eiffel.py	2.63 KB	-rw-r--r--	2024-02-02 13:26
elm.py	3.08 KB	-rw-r--r--	2024-02-02 13:26
elpi.py	6.55 KB	-rw-r--r--	2024-02-02 13:26
email.py	4.63 KB	-rw-r--r--	2024-02-02 13:26
erlang.py	18.72 KB	-rw-r--r--	2024-02-02 13:26
esoteric.py	10.15 KB	-rw-r--r--	2024-02-02 13:26
ezhil.py	3.2 KB	-rw-r--r--	2024-02-02 13:26
factor.py	19.07 KB	-rw-r--r--	2024-02-02 13:26
fantom.py	9.96 KB	-rw-r--r--	2024-02-02 13:26
felix.py	9.42 KB	-rw-r--r--	2024-02-02 13:26
fift.py	1.58 KB	-rw-r--r--	2024-02-02 13:26
floscript.py	2.61 KB	-rw-r--r--	2024-02-02 13:26
forth.py	7.03 KB	-rw-r--r--	2024-02-02 13:26
fortran.py	10.1 KB	-rw-r--r--	2024-02-02 13:26
foxpro.py	25.6 KB	-rw-r--r--	2024-02-02 13:26
freefem.py	26.28 KB	-rw-r--r--	2024-02-02 13:26
func.py	3.54 KB	-rw-r--r--	2024-02-02 13:26
functional.py	674 B	-rw-r--r--	2024-02-02 13:26
futhark.py	3.64 KB	-rw-r--r--	2024-02-02 13:26
gcodelexer.py	826 B	-rw-r--r--	2024-02-02 13:26
gdscript.py	7.37 KB	-rw-r--r--	2024-02-02 13:26
go.py	3.7 KB	-rw-r--r--	2024-02-02 13:26
grammar_notation.py	7.79 KB	-rw-r--r--	2024-02-02 13:26
graph.py	4.01 KB	-rw-r--r--	2024-02-02 13:26
graphics.py	38.11 KB	-rw-r--r--	2024-02-02 13:26
graphql.py	5.47 KB	-rw-r--r--	2024-02-02 13:26
graphviz.py	1.89 KB	-rw-r--r--	2024-02-02 13:26
gsql.py	3.9 KB	-rwxr-xr-x	2024-02-02 13:26
haskell.py	32.13 KB	-rw-r--r--	2024-02-02 13:26
haxe.py	30.25 KB	-rw-r--r--	2024-02-02 13:26
hdl.py	21.99 KB	-rw-r--r--	2024-02-02 13:26
hexdump.py	3.52 KB	-rw-r--r--	2024-02-02 13:26
html.py	19.79 KB	-rw-r--r--	2024-02-02 13:26
idl.py	15.09 KB	-rw-r--r--	2024-02-02 13:26
igor.py	30.92 KB	-rw-r--r--	2024-02-02 13:26
inferno.py	3.06 KB	-rw-r--r--	2024-02-02 13:26
installers.py	12.87 KB	-rw-r--r--	2024-02-02 13:26
int_fiction.py	55.78 KB	-rw-r--r--	2024-02-02 13:26
iolang.py	1.86 KB	-rw-r--r--	2024-02-02 13:26
j.py	4.74 KB	-rw-r--r--	2024-02-02 13:26
javascript.py	61.39 KB	-rw-r--r--	2024-02-02 13:26
jmespath.py	2.01 KB	-rw-r--r--	2024-02-02 13:26
jslt.py	3.61 KB	-rw-r--r--	2024-02-02 13:26
jsonnet.py	5.5 KB	-rw-r--r--	2024-02-02 13:26
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julia.py	11.37 KB	-rw-r--r--	2024-02-02 13:26
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kuin.py	11.14 KB	-rw-r--r--	2024-02-02 13:26
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ldap.py	6.4 KB	-rw-r--r--	2024-02-02 13:26
lean.py	4.2 KB	-rw-r--r--	2024-02-02 13:26
lilypond.py	9.52 KB	-rw-r--r--	2024-02-02 13:26
lisp.py	141.01 KB	-rw-r--r--	2024-02-02 13:26
macaulay2.py	31.42 KB	-rw-r--r--	2024-02-02 13:26
make.py	7.51 KB	-rw-r--r--	2024-02-02 13:26
markup.py	58.84 KB	-rw-r--r--	2024-02-02 13:26
math.py	676 B	-rw-r--r--	2024-02-02 13:26
matlab.py	129.74 KB	-rw-r--r--	2024-02-02 13:26
maxima.py	2.65 KB	-rw-r--r--	2024-02-02 13:26
meson.py	4.24 KB	-rw-r--r--	2024-02-02 13:26
mime.py	7.36 KB	-rw-r--r--	2024-02-02 13:26
minecraft.py	13.49 KB	-rw-r--r--	2024-02-02 13:26
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ml.py	34.49 KB	-rw-r--r--	2024-02-02 13:26
modeling.py	13.21 KB	-rw-r--r--	2024-02-02 13:26
modula2.py	51.83 KB	-rw-r--r--	2024-02-02 13:26
monte.py	6.14 KB	-rw-r--r--	2024-02-02 13:26
mosel.py	8.97 KB	-rw-r--r--	2024-02-02 13:26
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oberon.py	4.07 KB	-rw-r--r--	2024-02-02 13:26
objective.py	22.42 KB	-rw-r--r--	2024-02-02 13:26
ooc.py	2.91 KB	-rw-r--r--	2024-02-02 13:26
openscad.py	3.61 KB	-rw-r--r--	2024-02-02 13:26
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parasail.py	2.66 KB	-rw-r--r--	2024-02-02 13:26
parsers.py	25.3 KB	-rw-r--r--	2024-02-02 13:26
pascal.py	30.16 KB	-rw-r--r--	2024-02-02 13:26
pawn.py	7.96 KB	-rw-r--r--	2024-02-02 13:26
perl.py	38.25 KB	-rw-r--r--	2024-02-02 13:26
phix.py	22.71 KB	-rw-r--r--	2024-02-02 13:26
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python.py	52.15 KB	-rw-r--r--	2024-02-02 13:26
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qlik.py	3.58 KB	-rw-r--r--	2024-02-02 13:26
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roboconf.py	1.92 KB	-rw-r--r--	2024-02-02 13:26
robotframework.py	18.02 KB	-rw-r--r--	2024-02-02 13:26
ruby.py	22.14 KB	-rw-r--r--	2024-02-02 13:26
rust.py	8.02 KB	-rw-r--r--	2024-02-02 13:26
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scripting.py	68.37 KB	-rw-r--r--	2024-02-02 13:26
sgf.py	1.94 KB	-rw-r--r--	2024-02-02 13:26
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solidity.py	3.05 KB	-rw-r--r--	2024-02-02 13:26
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sql.py	41.12 KB	-rw-r--r--	2024-02-02 13:26
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stata.py	6.27 KB	-rw-r--r--	2024-02-02 13:26
supercollider.py	3.61 KB	-rw-r--r--	2024-02-02 13:26
tal.py	2.83 KB	-rw-r--r--	2024-02-02 13:26
tcl.py	5.38 KB	-rw-r--r--	2024-02-02 13:26
teal.py	3.44 KB	-rw-r--r--	2024-02-02 13:26
templates.py	70.91 KB	-rw-r--r--	2024-02-02 13:26
teraterm.py	9.49 KB	-rw-r--r--	2024-02-02 13:26
testing.py	10.51 KB	-rw-r--r--	2024-02-02 13:26
text.py	1 KB	-rw-r--r--	2024-02-02 13:26
textedit.py	7.43 KB	-rw-r--r--	2024-02-02 13:26
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theorem.py	16.27 KB	-rw-r--r--	2024-02-02 13:26
thingsdb.py	4.13 KB	-rw-r--r--	2024-02-02 13:26
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trafficscript.py	1.44 KB	-rw-r--r--	2024-02-02 13:26
typoscript.py	8.01 KB	-rw-r--r--	2024-02-02 13:26
ul4.py	8.75 KB	-rw-r--r--	2024-02-02 13:26
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yang.py	4.39 KB	-rw-r--r--	2024-02-02 13:26
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zig.py	3.86 KB	-rw-r--r--	2024-02-02 13:26

Rename

"""
    pygments.lexers.parsers
    ~~~~~~~~~~~~~~~~~~~~~~~

Lexers for parser generators.

:copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, DelegatingLexer, \
    include, bygroups, using
from pygments.token import Punctuation, Other, Text, Comment, Operator, \
    Keyword, Name, String, Number, Whitespace
from pygments.lexers.jvm import JavaLexer
from pygments.lexers.c_cpp import CLexer, CppLexer
from pygments.lexers.objective import ObjectiveCLexer
from pygments.lexers.d import DLexer
from pygments.lexers.dotnet import CSharpLexer
from pygments.lexers.ruby import RubyLexer
from pygments.lexers.python import PythonLexer
from pygments.lexers.perl import PerlLexer

__all__ = ['RagelLexer', 'RagelEmbeddedLexer', 'RagelCLexer', 'RagelDLexer',
           'RagelCppLexer', 'RagelObjectiveCLexer', 'RagelRubyLexer',
           'RagelJavaLexer', 'AntlrLexer', 'AntlrPythonLexer',
           'AntlrPerlLexer', 'AntlrRubyLexer', 'AntlrCppLexer',
           'AntlrCSharpLexer', 'AntlrObjectiveCLexer',
           'AntlrJavaLexer', 'AntlrActionScriptLexer',
           'TreetopLexer', 'EbnfLexer']

class RagelLexer(RegexLexer):
    """A pure `Ragel <www.colm.net/open-source/ragel>`_ lexer.  Use this
    for fragments of Ragel.  For ``.rl`` files, use
    :class:`RagelEmbeddedLexer` instead (or one of the
    language-specific subclasses).

.. versionadded:: 1.1

"""

name = 'Ragel'
    url = 'http://www.colm.net/open-source/ragel/'
    aliases = ['ragel']
    filenames = []

tokens = {
        'whitespace': [
            (r'\s+', Whitespace)
        ],
        'comments': [
            (r'\#.*$', Comment),
        ],
        'keywords': [
            (r'(access|action|alphtype)\b', Keyword),
            (r'(getkey|write|machine|include)\b', Keyword),
            (r'(any|ascii|extend|alpha|digit|alnum|lower|upper)\b', Keyword),
            (r'(xdigit|cntrl|graph|print|punct|space|zlen|empty)\b', Keyword)
        ],
        'numbers': [
            (r'0x[0-9A-Fa-f]+', Number.Hex),
            (r'[+-]?[0-9]+', Number.Integer),
        ],
        'literals': [
            (r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
            (r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
            (r'\[(\\\\|\\[^\\]|[^\\\]])*\]', String),          # square bracket literals
            (r'/(?!\*)(\\\\|\\[^\\]|[^/\\])*/', String.Regex),  # regular expressions
        ],
        'identifiers': [
            (r'[a-zA-Z_]\w*', Name.Variable),
        ],
        'operators': [
            (r',', Operator),                           # Join
            (r'\||&|--?', Operator),                    # Union, Intersection and Subtraction
            (r'\.|<:|:>>?', Operator),                  # Concatention
            (r':', Operator),                           # Label
            (r'->', Operator),                          # Epsilon Transition
            (r'(>|\$|%|<|@|<>)(/|eof\b)', Operator),    # EOF Actions
            (r'(>|\$|%|<|@|<>)(!|err\b)', Operator),    # Global Error Actions
            (r'(>|\$|%|<|@|<>)(\^|lerr\b)', Operator),  # Local Error Actions
            (r'(>|\$|%|<|@|<>)(~|to\b)', Operator),     # To-State Actions
            (r'(>|\$|%|<|@|<>)(\*|from\b)', Operator),  # From-State Actions
            (r'>|@|\$|%', Operator),                    # Transition Actions and Priorities
            (r'\*|\?|\+|\{[0-9]*,[0-9]*\}', Operator),  # Repetition
            (r'!|\^', Operator),                        # Negation
            (r'$|$', Operator),                       # Grouping
        ],
        'root': [
            include('literals'),
            include('whitespace'),
            include('comments'),
            include('keywords'),
            include('numbers'),
            include('identifiers'),
            include('operators'),
            (r'\{', Punctuation, 'host'),
            (r'=', Operator),
            (r';', Punctuation),
        ],
        'host': [
            (r'(' + r'|'.join((  # keep host code in largest possible chunks
                r'[^{}\'"/#]+',  # exclude unsafe characters
                r'[^\\]\\[{}]',  # allow escaped { or }

# strings and comments may safely contain unsafe characters
                r'"(\\\\|\\[^\\]|[^"\\])*"',
                r"'(\\\\|\\[^\\]|[^'\\])*'",
                r'//.*$\n?',            # single line comment
                r'/\*(.|\n)*?\*/',      # multi-line javadoc-style comment
                r'\#.*$\n?',            # ruby comment

# regular expression: There's no reason for it to start
                # with a * and this stops confusion with comments.
                r'/(?!\*)(\\\\|\\[^\\]|[^/\\])*/',

# / is safe now that we've handled regex and javadoc comments
                r'/',
            )) + r')+', Other),

(r'\{', Punctuation, '#push'),
            (r'\}', Punctuation, '#pop'),
        ],
    }

class RagelEmbeddedLexer(RegexLexer):
    """
    A lexer for Ragel embedded in a host language file.

This will only highlight Ragel statements. If you want host language
    highlighting then call the language-specific Ragel lexer.

.. versionadded:: 1.1
    """

name = 'Embedded Ragel'
    aliases = ['ragel-em']
    filenames = ['*.rl']

tokens = {
        'root': [
            (r'(' + r'|'.join((   # keep host code in largest possible chunks
                r'[^%\'"/#]+',    # exclude unsafe characters
                r'%(?=[^%]|$)',   # a single % sign is okay, just not 2 of them

# strings and comments may safely contain unsafe characters
                r'"(\\\\|\\[^\\]|[^"\\])*"',
                r"'(\\\\|\\[^\\]|[^'\\])*'",
                r'/\*(.|\n)*?\*/',      # multi-line javadoc-style comment
                r'//.*$\n?',  # single line comment
                r'\#.*$\n?',  # ruby/ragel comment
                r'/(?!\*)(\\\\|\\[^\\]|[^/\\])*/',  # regular expression

# / is safe now that we've handled regex and javadoc comments
                r'/',
            )) + r')+', Other),

# Single Line FSM.
            # Please don't put a quoted newline in a single line FSM.
            # That's just mean. It will break this.
            (r'(%%)(?![{%])(.*)($|;)(\n?)', bygroups(Punctuation,
                                                     using(RagelLexer),
                                                     Punctuation, Text)),

# Multi Line FSM.
            (r'(%%%%|%%)\{', Punctuation, 'multi-line-fsm'),
        ],
        'multi-line-fsm': [
            (r'(' + r'|'.join((  # keep ragel code in largest possible chunks.
                r'(' + r'|'.join((
                    r'[^}\'"\[/#]',   # exclude unsafe characters
                    r'\}(?=[^%]|$)',   # } is okay as long as it's not followed by %
                    r'\}%(?=[^%]|$)',  # ...well, one %'s okay, just not two...
                    r'[^\\]\\[{}]',   # ...and } is okay if it's escaped

# allow / if it's preceded with one of these symbols
                    # (ragel EOF actions)
                    r'(>|\$|%|<|@|<>)/',

# specifically allow regex followed immediately by *
                    # so it doesn't get mistaken for a comment
                    r'/(?!\*)(\\\\|\\[^\\]|[^/\\])*/\*',

# allow / as long as it's not followed by another / or by a *
                    r'/(?=[^/*]|$)',

# We want to match as many of these as we can in one block.
                    # Not sure if we need the + sign here,
                    # does it help performance?
                )) + r')+',

# strings and comments may safely contain unsafe characters
                r'"(\\\\|\\[^\\]|[^"\\])*"',
                r"'(\\\\|\\[^\\]|[^'\\])*'",
                r"\[(\\\\|\\[^\\]|[^\]\\])*\]",  # square bracket literal
                r'/\*(.|\n)*?\*/',          # multi-line javadoc-style comment
                r'//.*$\n?',                # single line comment
                r'\#.*$\n?',                # ruby/ragel comment
            )) + r')+', using(RagelLexer)),

(r'\}%%', Punctuation, '#pop'),
        ]
    }

def analyse_text(text):
        return '@LANG: indep' in text

class RagelRubyLexer(DelegatingLexer):
    """
    A lexer for Ragel in a Ruby host file.

.. versionadded:: 1.1
    """

name = 'Ragel in Ruby Host'
    aliases = ['ragel-ruby', 'ragel-rb']
    filenames = ['*.rl']

def __init__(self, **options):
        super().__init__(RubyLexer, RagelEmbeddedLexer, **options)

def analyse_text(text):
        return '@LANG: ruby' in text

class RagelCLexer(DelegatingLexer):
    """
    A lexer for Ragel in a C host file.

.. versionadded:: 1.1
    """

name = 'Ragel in C Host'
    aliases = ['ragel-c']
    filenames = ['*.rl']

def __init__(self, **options):
        super().__init__(CLexer, RagelEmbeddedLexer, **options)

def analyse_text(text):
        return '@LANG: c' in text

class RagelDLexer(DelegatingLexer):
    """
    A lexer for Ragel in a D host file.

.. versionadded:: 1.1
    """

name = 'Ragel in D Host'
    aliases = ['ragel-d']
    filenames = ['*.rl']

def __init__(self, **options):
        super().__init__(DLexer, RagelEmbeddedLexer, **options)

def analyse_text(text):
        return '@LANG: d' in text

class RagelCppLexer(DelegatingLexer):
    """
    A lexer for Ragel in a C++ host file.

.. versionadded:: 1.1
    """

name = 'Ragel in CPP Host'
    aliases = ['ragel-cpp']
    filenames = ['*.rl']

def __init__(self, **options):
        super().__init__(CppLexer, RagelEmbeddedLexer, **options)

def analyse_text(text):
        return '@LANG: c++' in text

class RagelObjectiveCLexer(DelegatingLexer):
    """
    A lexer for Ragel in an Objective C host file.

.. versionadded:: 1.1
    """

name = 'Ragel in Objective C Host'
    aliases = ['ragel-objc']
    filenames = ['*.rl']

def __init__(self, **options):
        super().__init__(ObjectiveCLexer, RagelEmbeddedLexer, **options)

def analyse_text(text):
        return '@LANG: objc' in text

class RagelJavaLexer(DelegatingLexer):
    """
    A lexer for Ragel in a Java host file.

.. versionadded:: 1.1
    """

name = 'Ragel in Java Host'
    aliases = ['ragel-java']
    filenames = ['*.rl']

def __init__(self, **options):
        super().__init__(JavaLexer, RagelEmbeddedLexer, **options)

def analyse_text(text):
        return '@LANG: java' in text

class AntlrLexer(RegexLexer):
    """
    Generic `ANTLR`_ Lexer.
    Should not be called directly, instead
    use DelegatingLexer for your target language.

.. versionadded:: 1.1

.. _ANTLR: http://www.antlr.org/
    """

name = 'ANTLR'
    aliases = ['antlr']
    filenames = []

_id = r'[A-Za-z]\w*'
    _TOKEN_REF = r'[A-Z]\w*'
    _RULE_REF = r'[a-z]\w*'
    _STRING_LITERAL = r'\'(?:\\\\|\\\'|[^\']*)\''
    _INT = r'[0-9]+'

tokens = {
        'whitespace': [
            (r'\s+', Whitespace),
        ],
        'comments': [
            (r'//.*$', Comment),
            (r'/\*(.|\n)*?\*/', Comment),
        ],
        'root': [
            include('whitespace'),
            include('comments'),

(r'(lexer|parser|tree)?(\s*)(grammar\b)(\s*)(' + _id + ')(;)',
             bygroups(Keyword, Whitespace, Keyword, Whitespace, Name.Class,
                      Punctuation)),
            # optionsSpec
            (r'options\b', Keyword, 'options'),
            # tokensSpec
            (r'tokens\b', Keyword, 'tokens'),
            # attrScope
            (r'(scope)(\s*)(' + _id + r')(\s*)(\{)',
             bygroups(Keyword, Whitespace, Name.Variable, Whitespace,
                      Punctuation), 'action'),
            # exception
            (r'(catch|finally)\b', Keyword, 'exception'),
            # action
            (r'(@' + _id + r')(\s*)(::)?(\s*)(' + _id + r')(\s*)(\{)',
             bygroups(Name.Label, Whitespace, Punctuation, Whitespace,
                      Name.Label, Whitespace, Punctuation), 'action'),
            # rule
            (r'((?:protected|private|public|fragment)\b)?(\s*)(' + _id + ')(!)?',
             bygroups(Keyword, Whitespace, Name.Label, Punctuation),
             ('rule-alts', 'rule-prelims')),
        ],
        'exception': [
            (r'\n', Whitespace, '#pop'),
            (r'\s', Whitespace),
            include('comments'),

(r'\[', Punctuation, 'nested-arg-action'),
            (r'\{', Punctuation, 'action'),
        ],
        'rule-prelims': [
            include('whitespace'),
            include('comments'),

(r'returns\b', Keyword),
            (r'\[', Punctuation, 'nested-arg-action'),
            (r'\{', Punctuation, 'action'),
            # throwsSpec
            (r'(throws)(\s+)(' + _id + ')',
             bygroups(Keyword, Whitespace, Name.Label)),
            (r'(,)(\s*)(' + _id + ')',
             bygroups(Punctuation, Whitespace, Name.Label)),  # Additional throws
            # optionsSpec
            (r'options\b', Keyword, 'options'),
            # ruleScopeSpec - scope followed by target language code or name of action
            # TODO finish implementing other possibilities for scope
            # L173 ANTLRv3.g from ANTLR book
            (r'(scope)(\s+)(\{)', bygroups(Keyword, Whitespace, Punctuation),
             'action'),
            (r'(scope)(\s+)(' + _id + r')(\s*)(;)',
             bygroups(Keyword, Whitespace, Name.Label, Whitespace, Punctuation)),
            # ruleAction
            (r'(@' + _id + r')(\s*)(\{)',
             bygroups(Name.Label, Whitespace, Punctuation), 'action'),
            # finished prelims, go to rule alts!
            (r':', Punctuation, '#pop')
        ],
        'rule-alts': [
            include('whitespace'),
            include('comments'),

# These might need to go in a separate 'block' state triggered by (
            (r'options\b', Keyword, 'options'),
            (r':', Punctuation),

# literals
            (r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
            (r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
            (r'<<([^>]|>[^>])>>', String),
            # identifiers
            # Tokens start with capital letter.
            (r'\$?[A-Z_]\w*', Name.Constant),
            # Rules start with small letter.
            (r'\$?[a-z_]\w*', Name.Variable),
            # operators
            (r'(\+|\||->|=>|=|$|$|\.\.|\.|\?|\*|\^|!|\#|~)', Operator),
            (r',', Punctuation),
            (r'\[', Punctuation, 'nested-arg-action'),
            (r'\{', Punctuation, 'action'),
            (r';', Punctuation, '#pop')
        ],
        'tokens': [
            include('whitespace'),
            include('comments'),
            (r'\{', Punctuation),
            (r'(' + _TOKEN_REF + r')(\s*)(=)?(\s*)(' + _STRING_LITERAL
             + r')?(\s*)(;)',
             bygroups(Name.Label, Whitespace, Punctuation, Whitespace,
                      String, Whitespace, Punctuation)),
            (r'\}', Punctuation, '#pop'),
        ],
        'options': [
            include('whitespace'),
            include('comments'),
            (r'\{', Punctuation),
            (r'(' + _id + r')(\s*)(=)(\s*)(' +
             '|'.join((_id, _STRING_LITERAL, _INT, r'\*')) + r')(\s*)(;)',
             bygroups(Name.Variable, Whitespace, Punctuation, Whitespace,
                      Text, Whitespace, Punctuation)),
            (r'\}', Punctuation, '#pop'),
        ],
        'action': [
            (r'(' + r'|'.join((    # keep host code in largest possible chunks
                r'[^${}\'"/\\]+',  # exclude unsafe characters

# regular expression: There's no reason for it to start
                # with a * and this stops confusion with comments.
                r'/(?!\*)(\\\\|\\[^\\]|[^/\\])*/',

# backslashes are okay, as long as we are not backslashing a %
                r'\\(?!%)',

# Now that we've handled regex and javadoc comments
                # it's safe to let / through.
                r'/',
            )) + r')+', Other),
            (r'(\\)(%)', bygroups(Punctuation, Other)),
            (r'(\$[a-zA-Z]+)(\.?)(text|value)?',
             bygroups(Name.Variable, Punctuation, Name.Property)),
            (r'\{', Punctuation, '#push'),
            (r'\}', Punctuation, '#pop'),
        ],
        'nested-arg-action': [
            (r'(' + r'|'.join((    # keep host code in largest possible chunks.
                r'[^$\[\]\'"/]+',  # exclude unsafe characters

# regular expression: There's no reason for it to start
                # with a * and this stops confusion with comments.
                r'/(?!\*)(\\\\|\\[^\\]|[^/\\])*/',

# Now that we've handled regex and javadoc comments
                # it's safe to let / through.
                r'/',
            )) + r')+', Other),

(r'\[', Punctuation, '#push'),
            (r'\]', Punctuation, '#pop'),
            (r'(\$[a-zA-Z]+)(\.?)(text|value)?',
             bygroups(Name.Variable, Punctuation, Name.Property)),
            (r'(\\\\|\\\]|\\\[|[^\[\]])+', Other),
        ]
    }

def analyse_text(text):
        return re.search(r'^\s*grammar\s+[a-zA-Z0-9]+\s*;', text, re.M)

# http://www.antlr.org/wiki/display/ANTLR3/Code+Generation+Targets

class AntlrCppLexer(DelegatingLexer):
    """
    ANTLR with C++ Target

.. versionadded:: 1.1
    """

name = 'ANTLR With CPP Target'
    aliases = ['antlr-cpp']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(CppLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*C\s*;', text, re.M)

class AntlrObjectiveCLexer(DelegatingLexer):
    """
    ANTLR with Objective-C Target

.. versionadded:: 1.1
    """

name = 'ANTLR With ObjectiveC Target'
    aliases = ['antlr-objc']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(ObjectiveCLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*ObjC\s*;', text)

class AntlrCSharpLexer(DelegatingLexer):
    """
    ANTLR with C# Target

.. versionadded:: 1.1
    """

name = 'ANTLR With C# Target'
    aliases = ['antlr-csharp', 'antlr-c#']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(CSharpLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*CSharp2\s*;', text, re.M)

class AntlrPythonLexer(DelegatingLexer):
    """
    ANTLR with Python Target

.. versionadded:: 1.1
    """

name = 'ANTLR With Python Target'
    aliases = ['antlr-python']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(PythonLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*Python\s*;', text, re.M)

class AntlrJavaLexer(DelegatingLexer):
    """
    ANTLR with Java Target

.. versionadded:: 1.
    """

name = 'ANTLR With Java Target'
    aliases = ['antlr-java']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(JavaLexer, AntlrLexer, **options)

def analyse_text(text):
        # Antlr language is Java by default
        return AntlrLexer.analyse_text(text) and 0.9

class AntlrRubyLexer(DelegatingLexer):
    """
    ANTLR with Ruby Target

.. versionadded:: 1.1
    """

name = 'ANTLR With Ruby Target'
    aliases = ['antlr-ruby', 'antlr-rb']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(RubyLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*Ruby\s*;', text, re.M)

class AntlrPerlLexer(DelegatingLexer):
    """
    ANTLR with Perl Target

.. versionadded:: 1.1
    """

name = 'ANTLR With Perl Target'
    aliases = ['antlr-perl']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        super().__init__(PerlLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*Perl5\s*;', text, re.M)

class AntlrActionScriptLexer(DelegatingLexer):
    """
    ANTLR with ActionScript Target

.. versionadded:: 1.1
    """

name = 'ANTLR With ActionScript Target'
    aliases = ['antlr-actionscript', 'antlr-as']
    filenames = ['*.G', '*.g']

def __init__(self, **options):
        from pygments.lexers.actionscript import ActionScriptLexer
        super().__init__(ActionScriptLexer, AntlrLexer, **options)

def analyse_text(text):
        return AntlrLexer.analyse_text(text) and \
            re.search(r'^\s*language\s*=\s*ActionScript\s*;', text, re.M)

class TreetopBaseLexer(RegexLexer):
    """
    A base lexer for `Treetop <http://treetop.rubyforge.org/>`_ grammars.
    Not for direct use; use :class:`TreetopLexer` instead.

.. versionadded:: 1.6
    """

tokens = {
        'root': [
            include('space'),
            (r'require[ \t]+[^\n\r]+[\n\r]', Other),
            (r'module\b', Keyword.Namespace, 'module'),
            (r'grammar\b', Keyword, 'grammar'),
        ],
        'module': [
            include('space'),
            include('end'),
            (r'module\b', Keyword, '#push'),
            (r'grammar\b', Keyword, 'grammar'),
            (r'[A-Z]\w*(?:::[A-Z]\w*)*', Name.Namespace),
        ],
        'grammar': [
            include('space'),
            include('end'),
            (r'rule\b', Keyword, 'rule'),
            (r'include\b', Keyword, 'include'),
            (r'[A-Z]\w*', Name),
        ],
        'include': [
            include('space'),
            (r'[A-Z]\w*(?:::[A-Z]\w*)*', Name.Class, '#pop'),
        ],
        'rule': [
            include('space'),
            include('end'),
            (r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
            (r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
            (r'([A-Za-z_]\w*)(:)', bygroups(Name.Label, Punctuation)),
            (r'[A-Za-z_]\w*', Name),
            (r'[()]', Punctuation),
            (r'[?+*/&!~]', Operator),
            (r'\[(?:\\.|\[:\^?[a-z]+:\]|[^\\\]])+\]', String.Regex),
            (r'([0-9]*)(\.\.)([0-9]*)',
             bygroups(Number.Integer, Operator, Number.Integer)),
            (r'(<)([^>]+)(>)', bygroups(Punctuation, Name.Class, Punctuation)),
            (r'\{', Punctuation, 'inline_module'),
            (r'\.', String.Regex),
        ],
        'inline_module': [
            (r'\{', Other, 'ruby'),
            (r'\}', Punctuation, '#pop'),
            (r'[^{}]+', Other),
        ],
        'ruby': [
            (r'\{', Other, '#push'),
            (r'\}', Other, '#pop'),
            (r'[^{}]+', Other),
        ],
        'space': [
            (r'[ \t\n\r]+', Whitespace),
            (r'#[^\n]*', Comment.Single),
        ],
        'end': [
            (r'end\b', Keyword, '#pop'),
        ],
    }

class TreetopLexer(DelegatingLexer):
    """
    A lexer for `Treetop <http://treetop.rubyforge.org/>`_ grammars.

.. versionadded:: 1.6
    """

name = 'Treetop'
    aliases = ['treetop']
    filenames = ['*.treetop', '*.tt']

def __init__(self, **options):
        super().__init__(RubyLexer, TreetopBaseLexer, **options)

class EbnfLexer(RegexLexer):
    """
    Lexer for `ISO/IEC 14977 EBNF
    <http://en.wikipedia.org/wiki/Extended_Backus%E2%80%93Naur_Form>`_
    grammars.

.. versionadded:: 2.0
    """

name = 'EBNF'
    aliases = ['ebnf']
    filenames = ['*.ebnf']
    mimetypes = ['text/x-ebnf']

tokens = {
        'root': [
            include('whitespace'),
            include('comment_start'),
            include('identifier'),
            (r'=', Operator, 'production'),
        ],
        'production': [
            include('whitespace'),
            include('comment_start'),
            include('identifier'),
            (r'"[^"]*"', String.Double),
            (r"'[^']*'", String.Single),
            (r'(\?[^?]*\?)', Name.Entity),
            (r'[\[\]{}(),|]', Punctuation),
            (r'-', Operator),
            (r';', Punctuation, '#pop'),
            (r'\.', Punctuation, '#pop'),
        ],
        'whitespace': [
            (r'\s+', Text),
        ],
        'comment_start': [
            (r'$\*', Comment.Multiline, 'comment'),
        ],
        'comment': [
            (r'[^*)]', Comment.Multiline),
            include('comment_start'),
            (r'\*$', Comment.Multiline, '#pop'),
            (r'[*)]', Comment.Multiline),
        ],
        'identifier': [
            (r'([a-zA-Z][\w \-]*)', Keyword),
        ],
    }