# -*- coding: utf-8 -*-
"""
    pygments.lexers.scripting
    ~~~~~~~~~~~~~~~~~~~~~~~~~

    Lexer for scripting and embedded languages.

    :copyright: Copyright 2006-2015 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, include, bygroups, default, combined, \
    words
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
    Number, Punctuation, Error, Whitespace, Other
from pygments.util import get_bool_opt, get_list_opt, iteritems

__all__ = ['LuaLexer', 'MoonScriptLexer', 'ChaiscriptLexer', 'LSLLexer',
           'AppleScriptLexer', 'RexxLexer', 'MOOCodeLexer', 'HybrisLexer',
           'EasytrieveLexer', 'JclLexer']


class LuaLexer(RegexLexer):
    """
    For `Lua <http://www.lua.org>`_ source code.

    Additional options accepted:

    `func_name_highlighting`
        If given and ``True``, highlight builtin function names
        (default: ``True``).
    `disabled_modules`
        If given, must be a list of module names whose function names
        should not be highlighted. By default all modules are highlighted.

        To get a list of allowed modules have a look into the
        `_lua_builtins` module:

        .. sourcecode:: pycon

            >>> from pygments.lexers._lua_builtins import MODULES
            >>> MODULES.keys()
            ['string', 'coroutine', 'modules', 'io', 'basic', ...]
    """

    name = 'Lua'
    aliases = ['lua']
    filenames = ['*.lua', '*.wlua']
    mimetypes = ['text/x-lua', 'application/x-lua']

    tokens = {
        'root': [
            # lua allows a file to start with a shebang
            (r'#!(.*?)$', Comment.Preproc),
            default('base'),
        ],
        'base': [
            (r'(?s)--\[(=*)\[.*?\]\1\]', Comment.Multiline),
            ('--.*$', Comment.Single),

            (r'(?i)(\d*\.\d+|\d+\.\d*)(e[+-]?\d+)?', Number.Float),
            (r'(?i)\d+e[+-]?\d+', Number.Float),
            ('(?i)0x[0-9a-f]*', Number.Hex),
            (r'\d+', Number.Integer),

            (r'\n', Text),
            (r'[^\S\n]', Text),
            # multiline strings
            (r'(?s)\[(=*)\[.*?\]\1\]', String),

            (r'(==|~=|<=|>=|\.\.\.|\.\.|[=+\-*/%^<>#])', Operator),
            (r'[\[\]{}().,:;]', Punctuation),
            (r'(and|or|not)\b', Operator.Word),

            ('(break|do|else|elseif|end|for|if|in|repeat|return|then|until|'
             r'while)\b', Keyword),
            (r'(local)\b', Keyword.Declaration),
            (r'(true|false|nil)\b', Keyword.Constant),

            (r'(function)\b', Keyword, 'funcname'),

            (r'[A-Za-z_]\w*(\.[A-Za-z_]\w*)?', Name),

            ("'", String.Single, combined('stringescape', 'sqs')),
            ('"', String.Double, combined('stringescape', 'dqs'))
        ],

        'funcname': [
            (r'\s+', Text),
            ('(?:([A-Za-z_]\w*)(\.))?([A-Za-z_]\w*)',
             bygroups(Name.Class, Punctuation, Name.Function), '#pop'),
            # inline function
            ('\(', Punctuation, '#pop'),
        ],

        # if I understand correctly, every character is valid in a lua string,
        # so this state is only for later corrections
        'string': [
            ('.', String)
        ],

        'stringescape': [
            (r'''\\([abfnrtv\\"']|\d{1,3})''', String.Escape)
        ],

        'sqs': [
            ("'", String, '#pop'),
            include('string')
        ],

        'dqs': [
            ('"', String, '#pop'),
            include('string')
        ]
    }

    def __init__(self, **options):
        self.func_name_highlighting = get_bool_opt(
            options, 'func_name_highlighting', True)
        self.disabled_modules = get_list_opt(options, 'disabled_modules', [])

        self._functions = set()
        if self.func_name_highlighting:
            from pygments.lexers._lua_builtins import MODULES
            for mod, func in iteritems(MODULES):
                if mod not in self.disabled_modules:
                    self._functions.update(func)
        RegexLexer.__init__(self, **options)

    def get_tokens_unprocessed(self, text):
        for index, token, value in \
                RegexLexer.get_tokens_unprocessed(self, text):
            if token is Name:
                if value in self._functions:
                    yield index, Name.Builtin, value
                    continue
                elif '.' in value:
                    a, b = value.split('.')
                    yield index, Name, a
                    yield index + len(a), Punctuation, u'.'
                    yield index + len(a) + 1, Name, b
                    continue
            yield index, token, value


class MoonScriptLexer(LuaLexer):
    """
    For `MoonScript <http://moonscript.org>`_ source code.

    .. versionadded:: 1.5
    """

    name = "MoonScript"
    aliases = ["moon", "moonscript"]
    filenames = ["*.moon"]
    mimetypes = ['text/x-moonscript', 'application/x-moonscript']

    tokens = {
        'root': [
            (r'#!(.*?)$', Comment.Preproc),
            default('base'),
        ],
        'base': [
            ('--.*$', Comment.Single),
            (r'(?i)(\d*\.\d+|\d+\.\d*)(e[+-]?\d+)?', Number.Float),
            (r'(?i)\d+e[+-]?\d+', Number.Float),
            (r'(?i)0x[0-9a-f]*', Number.Hex),
            (r'\d+', Number.Integer),
            (r'\n', Text),
            (r'[^\S\n]+', Text),
            (r'(?s)\[(=*)\[.*?\]\1\]', String),
            (r'(->|=>)', Name.Function),
            (r':[a-zA-Z_]\w*', Name.Variable),
            (r'(==|!=|~=|<=|>=|\.\.\.|\.\.|[=+\-*/%^<>#!.\\:])', Operator),
            (r'[;,]', Punctuation),
            (r'[\[\]{}()]', Keyword.Type),
            (r'[a-zA-Z_]\w*:', Name.Variable),
            (words((
                'class', 'extends', 'if', 'then', 'super', 'do', 'with',
                'import', 'export', 'while', 'elseif', 'return', 'for', 'in',
                'from', 'when', 'using', 'else', 'and', 'or', 'not', 'switch',
                'break'), suffix=r'\b'),
             Keyword),
            (r'(true|false|nil)\b', Keyword.Constant),
            (r'(and|or|not)\b', Operator.Word),
            (r'(self)\b', Name.Builtin.Pseudo),
            (r'@@?([a-zA-Z_]\w*)?', Name.Variable.Class),
            (r'[A-Z]\w*', Name.Class),  # proper name
            (r'[A-Za-z_]\w*(\.[A-Za-z_]\w*)?', Name),
            ("'", String.Single, combined('stringescape', 'sqs')),
            ('"', String.Double, combined('stringescape', 'dqs'))
        ],
        'stringescape': [
            (r'''\\([abfnrtv\\"']|\d{1,3})''', String.Escape)
        ],
        'sqs': [
            ("'", String.Single, '#pop'),
            (".", String)
        ],
        'dqs': [
            ('"', String.Double, '#pop'),
            (".", String)
        ]
    }

    def get_tokens_unprocessed(self, text):
        # set . as Operator instead of Punctuation
        for index, token, value in LuaLexer.get_tokens_unprocessed(self, text):
            if token == Punctuation and value == ".":
                token = Operator
            yield index, token, value


class ChaiscriptLexer(RegexLexer):
    """
    For `ChaiScript <http://chaiscript.com/>`_ source code.

    .. versionadded:: 2.0
    """

    name = 'ChaiScript'
    aliases = ['chai', 'chaiscript']
    filenames = ['*.chai']
    mimetypes = ['text/x-chaiscript', 'application/x-chaiscript']

    flags = re.DOTALL | re.MULTILINE

    tokens = {
        'commentsandwhitespace': [
            (r'\s+', Text),
            (r'//.*?\n', Comment.Single),
            (r'/\*.*?\*/', Comment.Multiline),
            (r'^\#.*?\n', Comment.Single)
        ],
        'slashstartsregex': [
            include('commentsandwhitespace'),
            (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
             r'([gim]+\b|\B)', String.Regex, '#pop'),
            (r'(?=/)', Text, ('#pop', 'badregex')),
            default('#pop')
        ],
        'badregex': [
            (r'\n', Text, '#pop')
        ],
        'root': [
            include('commentsandwhitespace'),
            (r'\n', Text),
            (r'[^\S\n]+', Text),
            (r'\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|\.\.'
             r'(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?', Operator, 'slashstartsregex'),
            (r'[{(\[;,]', Punctuation, 'slashstartsregex'),
            (r'[})\].]', Punctuation),
            (r'[=+\-*/]', Operator),
            (r'(for|in|while|do|break|return|continue|if|else|'
             r'throw|try|catch'
             r')\b', Keyword, 'slashstartsregex'),
            (r'(var)\b', Keyword.Declaration, 'slashstartsregex'),
            (r'(attr|def|fun)\b', Keyword.Reserved),
            (r'(true|false)\b', Keyword.Constant),
            (r'(eval|throw)\b', Name.Builtin),
            (r'`\S+`', Name.Builtin),
            (r'[$a-zA-Z_]\w*', Name.Other),
            (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
            (r'0x[0-9a-fA-F]+', Number.Hex),
            (r'[0-9]+', Number.Integer),
            (r'"', String.Double, 'dqstring'),
            (r"'(\\\\|\\'|[^'])*'", String.Single),
        ],
        'dqstring': [
            (r'\$\{[^"}]+?\}', String.Interpol),
            (r'\$', String.Double),
            (r'\\\\', String.Double),
            (r'\\"', String.Double),
            (r'[^\\"$]+', String.Double),
            (r'"', String.Double, '#pop'),
        ],
    }


class LSLLexer(RegexLexer):
    """
    For Second Life's Linden Scripting Language source code.

    .. versionadded:: 2.0
    """

    name = 'LSL'
    aliases = ['lsl']
    filenames = ['*.lsl']
    mimetypes = ['text/x-lsl']

    flags = re.MULTILINE

    lsl_keywords = r'\b(?:do|else|for|if|jump|return|while)\b'
    lsl_types = r'\b(?:float|integer|key|list|quaternion|rotation|string|vector)\b'
    lsl_states = r'\b(?:(?:state)\s+\w+|default)\b'
    lsl_events = r'\b(?:state_(?:entry|exit)|touch(?:_(?:start|end))?|(?:land_)?collision(?:_(?:start|end))?|timer|listen|(?:no_)?sensor|control|(?:not_)?at_(?:rot_)?target|money|email|run_time_permissions|changed|attach|dataserver|moving_(?:start|end)|link_message|(?:on|object)_rez|remote_data|http_re(?:sponse|quest)|path_update|transaction_result)\b'
    lsl_functions_builtin = r'\b(?:ll(?:ReturnObjectsBy(?:ID|Owner)|Json(?:2List|[GS]etValue|ValueType)|Sin|Cos|Tan|Atan2|Sqrt|Pow|Abs|Fabs|Frand|Floor|Ceil|Round|Vec(?:Mag|Norm|Dist)|Rot(?:Between|2(?:Euler|Fwd|Left|Up))|(?:Euler|Axes)2Rot|Whisper|(?:Region|Owner)?Say|Shout|Listen(?:Control|Remove)?|Sensor(?:Repeat|Remove)?|Detected(?:Name|Key|Owner|Type|Pos|Vel|Grab|Rot|Group|LinkNumber)|Die|Ground|Wind|(?:[GS]et)(?:AnimationOverride|MemoryLimit|PrimMediaParams|ParcelMusicURL|Object(?:Desc|Name)|PhysicsMaterial|Status|Scale|Color|Alpha|Texture|Pos|Rot|Force|Torque)|ResetAnimationOverride|(?:Scale|Offset|Rotate)Texture|(?:Rot)?Target(?:Remove)?|(?:Stop)?MoveToTarget|Apply(?:Rotational)?Impulse|Set(?:KeyframedMotion|ContentType|RegionPos|(?:Angular)?Velocity|Buoyancy|HoverHeight|ForceAndTorque|TimerEvent|ScriptState|Damage|TextureAnim|Sound(?:Queueing|Radius)|Vehicle(?:Type|(?:Float|Vector|Rotation)Param)|(?:Touch|Sit)?Text|Camera(?:Eye|At)Offset|PrimitiveParams|ClickAction|Link(?:Alpha|Color|PrimitiveParams(?:Fast)?|Texture(?:Anim)?|Camera|Media)|RemoteScriptAccessPin|PayPrice|LocalRot)|ScaleByFactor|Get(?:(?:Max|Min)ScaleFactor|ClosestNavPoint|StaticPath|SimStats|Env|PrimitiveParams|Link(?:PrimitiveParams|Number(?:OfSides)?|Key|Name|Media)|HTTPHeader|FreeURLs|Object(?:Details|PermMask|PrimCount)|Parcel(?:MaxPrims|Details|Prim(?:Count|Owners))|Attached|(?:SPMax|Free|Used)Memory|Region(?:Name|TimeDilation|FPS|Corner|AgentCount)|Root(?:Position|Rotation)|UnixTime|(?:Parcel|Region)Flags|(?:Wall|GMT)clock|SimulatorHostname|BoundingBox|GeometricCenter|Creator|NumberOf(?:Prims|NotecardLines|Sides)|Animation(?:List)?|(?:Camera|Local)(?:Pos|Rot)|Vel|Accel|Omega|Time(?:stamp|OfDay)|(?:Object|CenterOf)?Mass|MassMKS|Energy|Owner|(?:Owner)?Key|SunDirection|Texture(?:Offset|Scale|Rot)|Inventory(?:Number|Name|Key|Type|Creator|PermMask)|Permissions(?:Key)?|StartParameter|List(?:Length|EntryType)|Date|Agent(?:Size|Info|Language|List)|LandOwnerAt|NotecardLine|Script(?:Name|State))|(?:Get|Reset|GetAndReset)Time|PlaySound(?:Slave)?|LoopSound(?:Master|Slave)?|(?:Trigger|Stop|Preload)Sound|(?:(?:Get|Delete)Sub|Insert)String|To(?:Upper|Lower)|Give(?:InventoryList|Money)|RezObject|(?:Stop)?LookAt|Sleep|CollisionFilter|(?:Take|Release)Controls|DetachFromAvatar|AttachToAvatar(?:Temp)?|InstantMessage|(?:GetNext)?Email|StopHover|MinEventDelay|RotLookAt|String(?:Length|Trim)|(?:Start|Stop)Animation|TargetOmega|RequestPermissions|(?:Create|Break)Link|BreakAllLinks|(?:Give|Remove)Inventory|Water|PassTouches|Request(?:Agent|Inventory)Data|TeleportAgent(?:Home|GlobalCoords)?|ModifyLand|CollisionSound|ResetScript|MessageLinked|PushObject|PassCollisions|AxisAngle2Rot|Rot2(?:Axis|Angle)|A(?:cos|sin)|AngleBetween|AllowInventoryDrop|SubStringIndex|List2(?:CSV|Integer|Json|Float|String|Key|Vector|Rot|List(?:Strided)?)|DeleteSubList|List(?:Statistics|Sort|Randomize|(?:Insert|Find|Replace)List)|EdgeOfWorld|AdjustSoundVolume|Key2Name|TriggerSoundLimited|EjectFromLand|(?:CSV|ParseString)2List|OverMyLand|SameGroup|UnSit|Ground(?:Slope|Normal|Contour)|GroundRepel|(?:Set|Remove)VehicleFlags|(?:AvatarOn)?(?:Link)?SitTarget|Script(?:Danger|Profiler)|Dialog|VolumeDetect|ResetOtherScript|RemoteLoadScriptPin|(?:Open|Close)RemoteDataChannel|SendRemoteData|RemoteDataReply|(?:Integer|String)ToBase64|XorBase64|Log(?:10)?|Base64To(?:String|Integer)|ParseStringKeepNulls|RezAtRoot|RequestSimulatorData|ForceMouselook|(?:Load|Release|(?:E|Une)scape)URL|ParcelMedia(?:CommandList|Query)|ModPow|MapDestination|(?:RemoveFrom|AddTo|Reset)Land(?:Pass|Ban)List|(?:Set|Clear)CameraParams|HTTP(?:Request|Response)|TextBox|DetectedTouch(?:UV|Face|Pos|(?:N|Bin)ormal|ST)|(?:MD5|SHA1|DumpList2)String|Request(?:Secure)?URL|Clear(?:Prim|Link)Media|(?:Link)?ParticleSystem|(?:Get|Request)(?:Username|DisplayName)|RegionSayTo|CastRay|GenerateKey|TransferLindenDollars|ManageEstateAccess|(?:Create|Delete)Character|ExecCharacterCmd|Evade|FleeFrom|NavigateTo|PatrolPoints|Pursue|UpdateCharacter|WanderWithin))\b'
    lsl_constants_float = r'\b(?:DEG_TO_RAD|PI(?:_BY_TWO)?|RAD_TO_DEG|SQRT2|TWO_PI)\b'
    lsl_constants_integer = r'\b(?:JSON_APPEND|STATUS_(?:PHYSICS|ROTATE_[XYZ]|PHANTOM|SANDBOX|BLOCK_GRAB(?:_OBJECT)?|(?:DIE|RETURN)_AT_EDGE|CAST_SHADOWS|OK|MALFORMED_PARAMS|TYPE_MISMATCH|BOUNDS_ERROR|NOT_(?:FOUND|SUPPORTED)|INTERNAL_ERROR|WHITELIST_FAILED)|AGENT(?:_(?:BY_(?:LEGACY_|USER)NAME|FLYING|ATTACHMENTS|SCRIPTED|MOUSELOOK|SITTING|ON_OBJECT|AWAY|WALKING|IN_AIR|TYPING|CROUCHING|BUSY|ALWAYS_RUN|AUTOPILOT|LIST_(?:PARCEL(?:_OWNER)?|REGION)))?|CAMERA_(?:PITCH|DISTANCE|BEHINDNESS_(?:ANGLE|LAG)|(?:FOCUS|POSITION)(?:_(?:THRESHOLD|LOCKED|LAG))?|FOCUS_OFFSET|ACTIVE)|ANIM_ON|LOOP|REVERSE|PING_PONG|SMOOTH|ROTATE|SCALE|ALL_SIDES|LINK_(?:ROOT|SET|ALL_(?:OTHERS|CHILDREN)|THIS)|ACTIVE|PASSIVE|SCRIPTED|CONTROL_(?:FWD|BACK|(?:ROT_)?(?:LEFT|RIGHT)|UP|DOWN|(?:ML_)?LBUTTON)|PERMISSION_(?:RETURN_OBJECTS|DEBIT|OVERRIDE_ANIMATIONS|SILENT_ESTATE_MANAGEMENT|TAKE_CONTROLS|TRIGGER_ANIMATION|ATTACH|CHANGE_LINKS|(?:CONTROL|TRACK)_CAMERA|TELEPORT)|INVENTORY_(?:TEXTURE|SOUND|OBJECT|SCRIPT|LANDMARK|CLOTHING|NOTECARD|BODYPART|ANIMATION|GESTURE|ALL|NONE)|CHANGED_(?:INVENTORY|COLOR|SHAPE|SCALE|TEXTURE|LINK|ALLOWED_DROP|OWNER|REGION(?:_START)?|TELEPORT|MEDIA)|OBJECT_(?:(?:PHYSICS|SERVER|STREAMING)_COST|UNKNOWN_DETAIL|CHARACTER_TIME|PHANTOM|PHYSICS|TEMP_ON_REZ|NAME|DESC|POS|PRIM_EQUIVALENCE|RETURN_(?:PARCEL(?:_OWNER)?|REGION)|ROO?T|VELOCITY|OWNER|GROUP|CREATOR|ATTACHED_POINT|RENDER_WEIGHT|PATHFINDING_TYPE|(?:RUNNING|TOTAL)_SCRIPT_COUNT|SCRIPT_(?:MEMORY|TIME))|TYPE_(?:INTEGER|FLOAT|STRING|KEY|VECTOR|ROTATION|INVALID)|(?:DEBUG|PUBLIC)_CHANNEL|ATTACH_(?:AVATAR_CENTER|CHEST|HEAD|BACK|PELVIS|MOUTH|CHIN|NECK|NOSE|BELLY|[LR](?:SHOULDER|HAND|FOOT|EAR|EYE|[UL](?:ARM|LEG)|HIP)|(?:LEFT|RIGHT)_PEC|HUD_(?:CENTER_[12]|TOP_(?:RIGHT|CENTER|LEFT)|BOTTOM(?:_(?:RIGHT|LEFT))?))|LAND_(?:LEVEL|RAISE|LOWER|SMOOTH|NOISE|REVERT)|DATA_(?:ONLINE|NAME|BORN|SIM_(?:POS|STATUS|RATING)|PAYINFO)|PAYMENT_INFO_(?:ON_FILE|USED)|REMOTE_DATA_(?:CHANNEL|REQUEST|REPLY)|PSYS_(?:PART_(?:BF_(?:ZERO|ONE(?:_MINUS_(?:DEST_COLOR|SOURCE_(ALPHA|COLOR)))?|DEST_COLOR|SOURCE_(ALPHA|COLOR))|BLEND_FUNC_(DEST|SOURCE)|FLAGS|(?:START|END)_(?:COLOR|ALPHA|SCALE|GLOW)|MAX_AGE|(?:RIBBON|WIND|INTERP_(?:COLOR|SCALE)|BOUNCE|FOLLOW_(?:SRC|VELOCITY)|TARGET_(?:POS|LINEAR)|EMISSIVE)_MASK)|SRC_(?:MAX_AGE|PATTERN|ANGLE_(?:BEGIN|END)|BURST_(?:RATE|PART_COUNT|RADIUS|SPEED_(?:MIN|MAX))|ACCEL|TEXTURE|TARGET_KEY|OMEGA|PATTERN_(?:DROP|EXPLODE|ANGLE(?:_CONE(?:_EMPTY)?)?)))|VEHICLE_(?:REFERENCE_FRAME|TYPE_(?:NONE|SLED|CAR|BOAT|AIRPLANE|BALLOON)|(?:LINEAR|ANGULAR)_(?:FRICTION_TIMESCALE|MOTOR_DIRECTION)|LINEAR_MOTOR_OFFSET|HOVER_(?:HEIGHT|EFFICIENCY|TIMESCALE)|BUOYANCY|(?:LINEAR|ANGULAR)_(?:DEFLECTION_(?:EFFICIENCY|TIMESCALE)|MOTOR_(?:DECAY_)?TIMESCALE)|VERTICAL_ATTRACTION_(?:EFFICIENCY|TIMESCALE)|BANKING_(?:EFFICIENCY|MIX|TIMESCALE)|FLAG_(?:NO_DEFLECTION_UP|LIMIT_(?:ROLL_ONLY|MOTOR_UP)|HOVER_(?:(?:WATER|TERRAIN|UP)_ONLY|GLOBAL_HEIGHT)|MOUSELOOK_(?:STEER|BANK)|CAMERA_DECOUPLED))|PRIM_(?:TYPE(?:_(?:BOX|CYLINDER|PRISM|SPHERE|TORUS|TUBE|RING|SCULPT))?|HOLE_(?:DEFAULT|CIRCLE|SQUARE|TRIANGLE)|MATERIAL(?:_(?:STONE|METAL|GLASS|WOOD|FLESH|PLASTIC|RUBBER))?|SHINY_(?:NONE|LOW|MEDIUM|HIGH)|BUMP_(?:NONE|BRIGHT|DARK|WOOD|BARK|BRICKS|CHECKER|CONCRETE|TILE|STONE|DISKS|GRAVEL|BLOBS|SIDING|LARGETILE|STUCCO|SUCTION|WEAVE)|TEXGEN_(?:DEFAULT|PLANAR)|SCULPT_(?:TYPE_(?:SPHERE|TORUS|PLANE|CYLINDER|MASK)|FLAG_(?:MIRROR|INVERT))|PHYSICS(?:_(?:SHAPE_(?:CONVEX|NONE|PRIM|TYPE)))?|(?:POS|ROT)_LOCAL|SLICE|TEXT|FLEXIBLE|POINT_LIGHT|TEMP_ON_REZ|PHANTOM|POSITION|SIZE|ROTATION|TEXTURE|NAME|OMEGA|DESC|LINK_TARGET|COLOR|BUMP_SHINY|FULLBRIGHT|TEXGEN|GLOW|MEDIA_(?:ALT_IMAGE_ENABLE|CONTROLS|(?:CURRENT|HOME)_URL|AUTO_(?:LOOP|PLAY|SCALE|ZOOM)|FIRST_CLICK_INTERACT|(?:WIDTH|HEIGHT)_PIXELS|WHITELIST(?:_ENABLE)?|PERMS_(?:INTERACT|CONTROL)|PARAM_MAX|CONTROLS_(?:STANDARD|MINI)|PERM_(?:NONE|OWNER|GROUP|ANYONE)|MAX_(?:URL_LENGTH|WHITELIST_(?:SIZE|COUNT)|(?:WIDTH|HEIGHT)_PIXELS)))|MASK_(?:BASE|OWNER|GROUP|EVERYONE|NEXT)|PERM_(?:TRANSFER|MODIFY|COPY|MOVE|ALL)|PARCEL_(?:MEDIA_COMMAND_(?:STOP|PAUSE|PLAY|LOOP|TEXTURE|URL|TIME|AGENT|UNLOAD|AUTO_ALIGN|TYPE|SIZE|DESC|LOOP_SET)|FLAG_(?:ALLOW_(?:FLY|(?:GROUP_)?SCRIPTS|LANDMARK|TERRAFORM|DAMAGE|CREATE_(?:GROUP_)?OBJECTS)|USE_(?:ACCESS_(?:GROUP|LIST)|BAN_LIST|LAND_PASS_LIST)|LOCAL_SOUND_ONLY|RESTRICT_PUSHOBJECT|ALLOW_(?:GROUP|ALL)_OBJECT_ENTRY)|COUNT_(?:TOTAL|OWNER|GROUP|OTHER|SELECTED|TEMP)|DETAILS_(?:NAME|DESC|OWNER|GROUP|AREA|ID|SEE_AVATARS))|LIST_STAT_(?:MAX|MIN|MEAN|MEDIAN|STD_DEV|SUM(?:_SQUARES)?|NUM_COUNT|GEOMETRIC_MEAN|RANGE)|PAY_(?:HIDE|DEFAULT)|REGION_FLAG_(?:ALLOW_DAMAGE|FIXED_SUN|BLOCK_TERRAFORM|SANDBOX|DISABLE_(?:COLLISIONS|PHYSICS)|BLOCK_FLY|ALLOW_DIRECT_TELEPORT|RESTRICT_PUSHOBJECT)|HTTP_(?:METHOD|MIMETYPE|BODY_(?:MAXLENGTH|TRUNCATED)|CUSTOM_HEADER|PRAGMA_NO_CACHE|VERBOSE_THROTTLE|VERIFY_CERT)|STRING_(?:TRIM(?:_(?:HEAD|TAIL))?)|CLICK_ACTION_(?:NONE|TOUCH|SIT|BUY|PAY|OPEN(?:_MEDIA)?|PLAY|ZOOM)|TOUCH_INVALID_FACE|PROFILE_(?:NONE|SCRIPT_MEMORY)|RC_(?:DATA_FLAGS|DETECT_PHANTOM|GET_(?:LINK_NUM|NORMAL|ROOT_KEY)|MAX_HITS|REJECT_(?:TYPES|AGENTS|(?:NON)?PHYSICAL|LAND))|RCERR_(?:CAST_TIME_EXCEEDED|SIM_PERF_LOW|UNKNOWN)|ESTATE_ACCESS_(?:ALLOWED_(?:AGENT|GROUP)_(?:ADD|REMOVE)|BANNED_AGENT_(?:ADD|REMOVE))|DENSITY|FRICTION|RESTITUTION|GRAVITY_MULTIPLIER|KFM_(?:COMMAND|CMD_(?:PLAY|STOP|PAUSE|SET_MODE)|MODE|FORWARD|LOOP|PING_PONG|REVERSE|DATA|ROTATION|TRANSLATION)|ERR_(?:GENERIC|PARCEL_PERMISSIONS|MALFORMED_PARAMS|RUNTIME_PERMISSIONS|THROTTLED)|CHARACTER_(?:CMD_(?:(?:SMOOTH_)?STOP|JUMP)|DESIRED_(?:TURN_)?SPEED|RADIUS|STAY_WITHIN_PARCEL|LENGTH|ORIENTATION|ACCOUNT_FOR_SKIPPED_FRAMES|AVOIDANCE_MODE|TYPE(?:_(?:[A-D]|NONE))?|MAX_(?:DECEL|TURN_RADIUS|(?:ACCEL|SPEED)))|PURSUIT_(?:OFFSET|FUZZ_FACTOR|GOAL_TOLERANCE|INTERCEPT)|REQUIRE_LINE_OF_SIGHT|FORCE_DIRECT_PATH|VERTICAL|HORIZONTAL|AVOID_(?:CHARACTERS|DYNAMIC_OBSTACLES|NONE)|PU_(?:EVADE_(?:HIDDEN|SPOTTED)|FAILURE_(?:DYNAMIC_PATHFINDING_DISABLED|INVALID_(?:GOAL|START)|NO_(?:NAVMESH|VALID_DESTINATION)|OTHER|TARGET_GONE|(?:PARCEL_)?UNREACHABLE)|(?:GOAL|SLOWDOWN_DISTANCE)_REACHED)|TRAVERSAL_TYPE(?:_(?:FAST|NONE|SLOW))?|CONTENT_TYPE_(?:ATOM|FORM|HTML|JSON|LLSD|RSS|TEXT|XHTML|XML)|GCNP_(?:RADIUS|STATIC)|(?:PATROL|WANDER)_PAUSE_AT_WAYPOINTS|OPT_(?:AVATAR|CHARACTER|EXCLUSION_VOLUME|LEGACY_LINKSET|MATERIAL_VOLUME|OTHER|STATIC_OBSTACLE|WALKABLE)|SIM_STAT_PCT_CHARS_STEPPED)\b'
    lsl_constants_integer_boolean = r'\b(?:FALSE|TRUE)\b'
    lsl_constants_rotation = r'\b(?:ZERO_ROTATION)\b'
    lsl_constants_string = r'\b(?:EOF|JSON_(?:ARRAY|DELETE|FALSE|INVALID|NULL|NUMBER|OBJECT|STRING|TRUE)|NULL_KEY|TEXTURE_(?:BLANK|DEFAULT|MEDIA|PLYWOOD|TRANSPARENT)|URL_REQUEST_(?:GRANTED|DENIED))\b'
    lsl_constants_vector = r'\b(?:TOUCH_INVALID_(?:TEXCOORD|VECTOR)|ZERO_VECTOR)\b'
    lsl_invalid_broken = r'\b(?:LAND_(?:LARGE|MEDIUM|SMALL)_BRUSH)\b'
    lsl_invalid_deprecated = r'\b(?:ATTACH_[LR]PEC|DATA_RATING|OBJECT_ATTACHMENT_(?:GEOMETRY_BYTES|SURFACE_AREA)|PRIM_(?:CAST_SHADOWS|MATERIAL_LIGHT|TYPE_LEGACY)|PSYS_SRC_(?:INNER|OUTER)ANGLE|VEHICLE_FLAG_NO_FLY_UP|ll(?:Cloud|Make(?:Explosion|Fountain|Smoke|Fire)|RemoteDataSetRegion|Sound(?:Preload)?|XorBase64Strings(?:Correct)?))\b'
    lsl_invalid_illegal = r'\b(?:event)\b'
    lsl_invalid_unimplemented = r'\b(?:CHARACTER_(?:MAX_ANGULAR_(?:ACCEL|SPEED)|TURN_SPEED_MULTIPLIER)|PERMISSION_(?:CHANGE_(?:JOINTS|PERMISSIONS)|RELEASE_OWNERSHIP|REMAP_CONTROLS)|PRIM_PHYSICS_MATERIAL|PSYS_SRC_OBJ_REL_MASK|ll(?:CollisionSprite|(?:Stop)?PointAt|(?:(?:Refresh|Set)Prim)URL|(?:Take|Release)Camera|RemoteLoadScript))\b'
    lsl_reserved_godmode = r'\b(?:ll(?:GodLikeRezObject|Set(?:Inventory|Object)PermMask))\b'
    lsl_reserved_log = r'\b(?:print)\b'
    lsl_operators = r'\+\+|\-\-|<<|>>|&&?|\|\|?|\^|~|[!%<>=*+\-/]=?'

    tokens = {
        'root':
        [
            (r'//.*?\n',                          Comment.Single),
            (r'/\*',                              Comment.Multiline, 'comment'),
            (r'"',                                String.Double, 'string'),
            (lsl_keywords,                        Keyword),
            (lsl_types,                           Keyword.Type),
            (lsl_states,                          Name.Class),
            (lsl_events,                          Name.Builtin),
            (lsl_functions_builtin,               Name.Function),
            (lsl_constants_float,                 Keyword.Constant),
            (lsl_constants_integer,               Keyword.Constant),
            (lsl_constants_integer_boolean,       Keyword.Constant),
            (lsl_constants_rotation,              Keyword.Constant),
            (lsl_constants_string,                Keyword.Constant),
            (lsl_constants_vector,                Keyword.Constant),
            (lsl_invalid_broken,                  Error),
            (lsl_invalid_deprecated,              Error),
            (lsl_invalid_illegal,                 Error),
            (lsl_invalid_unimplemented,           Error),
            (lsl_reserved_godmode,                Keyword.Reserved),
            (lsl_reserved_log,                    Keyword.Reserved),
            (r'\b([a-zA-Z_]\w*)\b',     Name.Variable),
            (r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d*', Number.Float),
            (r'(\d+\.\d*|\.\d+)',                 Number.Float),
            (r'0[xX][0-9a-fA-F]+',                Number.Hex),
            (r'\d+',                              Number.Integer),
            (lsl_operators,                       Operator),
            (r':=?',                              Error),
            (r'[,;{}()\[\]]',                     Punctuation),
            (r'\n+',                              Whitespace),
            (r'\s+',                              Whitespace)
        ],
        'comment':
        [
            (r'[^*/]+',                           Comment.Multiline),
            (r'/\*',                              Comment.Multiline, '#push'),
            (r'\*/',                              Comment.Multiline, '#pop'),
            (r'[*/]',                             Comment.Multiline)
        ],
        'string':
        [
            (r'\\([nt"\\])',                      String.Escape),
            (r'"',                                String.Double, '#pop'),
            (r'\\.',                              Error),
            (r'[^"\\]+',                          String.Double),
        ]
    }


class AppleScriptLexer(RegexLexer):
    """
    For `AppleScript source code
    <http://developer.apple.com/documentation/AppleScript/
    Conceptual/AppleScriptLangGuide>`_,
    including `AppleScript Studio
    <http://developer.apple.com/documentation/AppleScript/
    Reference/StudioReference>`_.
    Contributed by Andreas Amann <aamann@mac.com>.

    .. versionadded:: 1.0
    """

    name = 'AppleScript'
    aliases = ['applescript']
    filenames = ['*.applescript']

    flags = re.MULTILINE | re.DOTALL

    Identifiers = r'[a-zA-Z]\w*'

    # XXX: use words() for all of these
    Literals = ('AppleScript', 'current application', 'false', 'linefeed',
                'missing value', 'pi', 'quote', 'result', 'return', 'space',
                'tab', 'text item delimiters', 'true', 'version')
    Classes = ('alias ', 'application ', 'boolean ', 'class ', 'constant ',
               'date ', 'file ', 'integer ', 'list ', 'number ', 'POSIX file ',
               'real ', 'record ', 'reference ', 'RGB color ', 'script ',
               'text ', 'unit types', '(?:Unicode )?text', 'string')
    BuiltIn = ('attachment', 'attribute run', 'character', 'day', 'month',
               'paragraph', 'word', 'year')
    HandlerParams = ('about', 'above', 'against', 'apart from', 'around',
                     'aside from', 'at', 'below', 'beneath', 'beside',
                     'between', 'for', 'given', 'instead of', 'on', 'onto',
                     'out of', 'over', 'since')
    Commands = ('ASCII (character|number)', 'activate', 'beep', 'choose URL',
                'choose application', 'choose color', 'choose file( name)?',
                'choose folder', 'choose from list',
                'choose remote application', 'clipboard info',
                'close( access)?', 'copy', 'count', 'current date', 'delay',
                'delete', 'display (alert|dialog)', 'do shell script',
                'duplicate', 'exists', 'get eof', 'get volume settings',
                'info for', 'launch', 'list (disks|folder)', 'load script',
                'log', 'make', 'mount volume', 'new', 'offset',
                'open( (for access|location))?', 'path to', 'print', 'quit',
                'random number', 'read', 'round', 'run( script)?',
                'say', 'scripting components',
                'set (eof|the clipboard to|volume)', 'store script',
                'summarize', 'system attribute', 'system info',
                'the clipboard', 'time to GMT', 'write', 'quoted form')
    References = ('(in )?back of', '(in )?front of', '[0-9]+(st|nd|rd|th)',
                  'first', 'second', 'third', 'fourth', 'fifth', 'sixth',
                  'seventh', 'eighth', 'ninth', 'tenth', 'after', 'back',
                  'before', 'behind', 'every', 'front', 'index', 'last',
                  'middle', 'some', 'that', 'through', 'thru', 'where', 'whose')
    Operators = ("and", "or", "is equal", "equals", "(is )?equal to", "is not",
                 "isn't", "isn't equal( to)?", "is not equal( to)?",
                 "doesn't equal", "does not equal", "(is )?greater than",
                 "comes after", "is not less than or equal( to)?",
                 "isn't less than or equal( to)?", "(is )?less than",
                 "comes before", "is not greater than or equal( to)?",
                 "isn't greater than or equal( to)?",
                 "(is  )?greater than or equal( to)?", "is not less than",
                 "isn't less than", "does not come before",
                 "doesn't come before", "(is )?less than or equal( to)?",
                 "is not greater than", "isn't greater than",
                 "does not come after", "doesn't come after", "starts? with",
                 "begins? with", "ends? with", "contains?", "does not contain",
                 "doesn't contain", "is in", "is contained by", "is not in",
                 "is not contained by", "isn't contained by", "div", "mod",
                 "not", "(a  )?(ref( to)?|reference to)", "is", "does")
    Control = ('considering', 'else', 'error', 'exit', 'from', 'if',
               'ignoring', 'in', 'repeat', 'tell', 'then', 'times', 'to',
               'try', 'until', 'using terms from', 'while', 'whith',
               'with timeout( of)?', 'with transaction', 'by', 'continue',
               'end', 'its?', 'me', 'my', 'return', 'of', 'as')
    Declarations = ('global', 'local', 'prop(erty)?', 'set', 'get')
    Reserved = ('but', 'put', 'returning', 'the')
    StudioClasses = ('action cell', 'alert reply', 'application', 'box',
                     'browser( cell)?', 'bundle', 'button( cell)?', 'cell',
                     'clip view', 'color well', 'color-panel',
                     'combo box( item)?', 'control',
                     'data( (cell|column|item|row|source))?', 'default entry',
                     'dialog reply', 'document', 'drag info', 'drawer',
                     'event', 'font(-panel)?', 'formatter',
                     'image( (cell|view))?', 'matrix', 'menu( item)?', 'item',
                     'movie( view)?', 'open-panel', 'outline view', 'panel',
                     'pasteboard', 'plugin', 'popup button',
                     'progress indicator', 'responder', 'save-panel',
                     'scroll view', 'secure text field( cell)?', 'slider',
                     'sound', 'split view', 'stepper', 'tab view( item)?',
                     'table( (column|header cell|header view|view))',
                     'text( (field( cell)?|view))?', 'toolbar( item)?',
                     'user-defaults', 'view', 'window')
    StudioEvents = ('accept outline drop', 'accept table drop', 'action',
                    'activated', 'alert ended', 'awake from nib', 'became key',
                    'became main', 'begin editing', 'bounds changed',
                    'cell value', 'cell value changed', 'change cell value',
                    'change item value', 'changed', 'child of item',
                    'choose menu item', 'clicked', 'clicked toolbar item',
                    'closed', 'column clicked', 'column moved',
                    'column resized', 'conclude drop', 'data representation',
                    'deminiaturized', 'dialog ended', 'document nib name',
                    'double clicked', 'drag( (entered|exited|updated))?',
                    'drop', 'end editing', 'exposed', 'idle', 'item expandable',
                    'item value', 'item value changed', 'items changed',
                    'keyboard down', 'keyboard up', 'launched',
                    'load data representation', 'miniaturized', 'mouse down',
                    'mouse dragged', 'mouse entered', 'mouse exited',
                    'mouse moved', 'mouse up', 'moved',
                    'number of browser rows', 'number of items',
                    'number of rows', 'open untitled', 'opened', 'panel ended',
                    'parameters updated', 'plugin loaded', 'prepare drop',
                    'prepare outline drag', 'prepare outline drop',
                    'prepare table drag', 'prepare table drop',
                    'read from file', 'resigned active', 'resigned key',
                    'resigned main', 'resized( sub views)?',
                    'right mouse down', 'right mouse dragged',
                    'right mouse up', 'rows changed', 'scroll wheel',
                    'selected tab view item', 'selection changed',
                    'selection changing', 'should begin editing',
                    'should close', 'should collapse item',
                    'should end editing', 'should expand item',
                    'should open( untitled)?',
                    'should quit( after last window closed)?',
                    'should select column', 'should select item',
                    'should select row', 'should select tab view item',
                    'should selection change', 'should zoom', 'shown',
                    'update menu item', 'update parameters',
                    'update toolbar item', 'was hidden', 'was miniaturized',
                    'will become active', 'will close', 'will dismiss',
                    'will display browser cell', 'will display cell',
                    'will display item cell', 'will display outline cell',
                    'will finish launching', 'will hide', 'will miniaturize',
                    'will move', 'will open', 'will pop up', 'will quit',
                    'will resign active', 'will resize( sub views)?',
                    'will select tab view item', 'will show', 'will zoom',
                    'write to file', 'zoomed')
    StudioCommands = ('animate', 'append', 'call method', 'center',
                      'close drawer', 'close panel', 'display',
                      'display alert', 'display dialog', 'display panel', 'go',
                      'hide', 'highlight', 'increment', 'item for',
                      'load image', 'load movie', 'load nib', 'load panel',
                      'load sound', 'localized string', 'lock focus', 'log',
                      'open drawer', 'path for', 'pause', 'perform action',
                      'play', 'register', 'resume', 'scroll', 'select( all)?',
                      'show', 'size to fit', 'start', 'step back',
                      'step forward', 'stop', 'synchronize', 'unlock focus',
                      'update')
    StudioProperties = ('accepts arrow key', 'action method', 'active',
                        'alignment', 'allowed identifiers',
                        'allows branch selection', 'allows column reordering',
                        'allows column resizing', 'allows column selection',
                        'allows customization',
                        'allows editing text attributes',
                        'allows empty selection', 'allows mixed state',
                        'allows multiple selection', 'allows reordering',
                        'allows undo', 'alpha( value)?', 'alternate image',
                        'alternate increment value', 'alternate title',
                        'animation delay', 'associated file name',
                        'associated object', 'auto completes', 'auto display',
                        'auto enables items', 'auto repeat',
                        'auto resizes( outline column)?',
                        'auto save expanded items', 'auto save name',
                        'auto save table columns', 'auto saves configuration',
                        'auto scroll', 'auto sizes all columns to fit',
                        'auto sizes cells', 'background color', 'bezel state',
                        'bezel style', 'bezeled', 'border rect', 'border type',
                        'bordered', 'bounds( rotation)?', 'box type',
                        'button returned', 'button type',
                        'can choose directories', 'can choose files',
                        'can draw', 'can hide',
                        'cell( (background color|size|type))?', 'characters',
                        'class', 'click count', 'clicked( data)? column',
                        'clicked data item', 'clicked( data)? row',
                        'closeable', 'collating', 'color( (mode|panel))',
                        'command key down', 'configuration',
                        'content(s| (size|view( margins)?))?', 'context',
                        'continuous', 'control key down', 'control size',
                        'control tint', 'control view',
                        'controller visible', 'coordinate system',
                        'copies( on scroll)?', 'corner view', 'current cell',
                        'current column', 'current( field)?  editor',
                        'current( menu)? item', 'current row',
                        'current tab view item', 'data source',
                        'default identifiers', 'delta (x|y|z)',
                        'destination window', 'directory', 'display mode',
                        'displayed cell', 'document( (edited|rect|view))?',
                        'double value', 'dragged column', 'dragged distance',
                        'dragged items', 'draws( cell)? background',
                        'draws grid', 'dynamically scrolls', 'echos bullets',
                        'edge', 'editable', 'edited( data)? column',
                        'edited data item', 'edited( data)? row', 'enabled',
                        'enclosing scroll view', 'ending page',
                        'error handling', 'event number', 'event type',
                        'excluded from windows menu', 'executable path',
                        'expanded', 'fax number', 'field editor', 'file kind',
                        'file name', 'file type', 'first responder',
                        'first visible column', 'flipped', 'floating',
                        'font( panel)?', 'formatter', 'frameworks path',
                        'frontmost', 'gave up', 'grid color', 'has data items',
                        'has horizontal ruler', 'has horizontal scroller',
                        'has parent data item', 'has resize indicator',
                        'has shadow', 'has sub menu', 'has vertical ruler',
                        'has vertical scroller', 'header cell', 'header view',
                        'hidden', 'hides when deactivated', 'highlights by',
                        'horizontal line scroll', 'horizontal page scroll',
                        'horizontal ruler view', 'horizontally resizable',
                        'icon image', 'id', 'identifier',
                        'ignores multiple clicks',
                        'image( (alignment|dims when disabled|frame style|scaling))?',
                        'imports graphics', 'increment value',
                        'indentation per level', 'indeterminate', 'index',
                        'integer value', 'intercell spacing', 'item height',
                        'key( (code|equivalent( modifier)?|window))?',
                        'knob thickness', 'label', 'last( visible)? column',
                        'leading offset', 'leaf', 'level', 'line scroll',
                        'loaded', 'localized sort', 'location', 'loop mode',
                        'main( (bunde|menu|window))?', 'marker follows cell',
                        'matrix mode', 'maximum( content)? size',
                        'maximum visible columns',
                        'menu( form representation)?', 'miniaturizable',
                        'miniaturized', 'minimized image', 'minimized title',
                        'minimum column width', 'minimum( content)? size',
                        'modal', 'modified', 'mouse down state',
                        'movie( (controller|file|rect))?', 'muted', 'name',
                        'needs display', 'next state', 'next text',
                        'number of tick marks', 'only tick mark values',
                        'opaque', 'open panel', 'option key down',
                        'outline table column', 'page scroll', 'pages across',
                        'pages down', 'palette label', 'pane splitter',
                        'parent data item', 'parent window', 'pasteboard',
                        'path( (names|separator))?', 'playing',
                        'plays every frame', 'plays selection only', 'position',
                        'preferred edge', 'preferred type', 'pressure',
                        'previous text', 'prompt', 'properties',
                        'prototype cell', 'pulls down', 'rate',
                        'released when closed', 'repeated',
                        'requested print time', 'required file type',
                        'resizable', 'resized column', 'resource path',
                        'returns records', 'reuses columns', 'rich text',
                        'roll over', 'row height', 'rulers visible',
                        'save panel', 'scripts path', 'scrollable',
                        'selectable( identifiers)?', 'selected cell',
                        'selected( data)? columns?', 'selected data items?',
                        'selected( data)? rows?', 'selected item identifier',
                        'selection by rect', 'send action on arrow key',
                        'sends action when done editing', 'separates columns',
                        'separator item', 'sequence number', 'services menu',
                        'shared frameworks path', 'shared support path',
                        'sheet', 'shift key down', 'shows alpha',
                        'shows state by', 'size( mode)?',
                        'smart insert delete enabled', 'sort case sensitivity',
                        'sort column', 'sort order', 'sort type',
                        'sorted( data rows)?', 'sound', 'source( mask)?',
                        'spell checking enabled', 'starting page', 'state',
                        'string value', 'sub menu', 'super menu', 'super view',
                        'tab key traverses cells', 'tab state', 'tab type',
                        'tab view', 'table view', 'tag', 'target( printer)?',
                        'text color', 'text container insert',
                        'text container origin', 'text returned',
                        'tick mark position', 'time stamp',
                        'title(d| (cell|font|height|position|rect))?',
                        'tool tip', 'toolbar', 'trailing offset', 'transparent',
                        'treat packages as directories', 'truncated labels',
                        'types', 'unmodified characters', 'update views',
                        'use sort indicator', 'user defaults',
                        'uses data source', 'uses ruler',
                        'uses threaded animation',
                        'uses title from previous column', 'value wraps',
                        'version',
                        'vertical( (line scroll|page scroll|ruler view))?',
                        'vertically resizable', 'view',
                        'visible( document rect)?', 'volume', 'width', 'window',
                        'windows menu', 'wraps', 'zoomable', 'zoomed')

    tokens = {
        'root': [
            (r'\s+', Text),
            (u'¬\\n', String.Escape),
            (r"'s\s+", Text),  # This is a possessive, consider moving
            (r'(--|#).*?$', Comment),
            (r'\(\*', Comment.Multiline, 'comment'),
            (r'[(){}!,.:]', Punctuation),
            (u'(«)([^»]+)(»)',
             bygroups(Text, Name.Builtin, Text)),
            (r'\b((?:considering|ignoring)\s*)'
             r'(application responses|case|diacriticals|hyphens|'
             r'numeric strings|punctuation|white space)',
             bygroups(Keyword, Name.Builtin)),
            (u'(-|\\*|\\+|&|≠|>=?|<=?|=|≥|≤|/|÷|\\^)', Operator),
            (r"\b(%s)\b" % '|'.join(Operators), Operator.Word),
            (r'^(\s*(?:on|end)\s+)'
             r'(%s)' % '|'.join(StudioEvents[::-1]),
             bygroups(Keyword, Name.Function)),
            (r'^(\s*)(in|on|script|to)(\s+)', bygroups(Text, Keyword, Text)),
            (r'\b(as )(%s)\b' % '|'.join(Classes),
             bygroups(Keyword, Name.Class)),
            (r'\b(%s)\b' % '|'.join(Literals), Name.Constant),
            (r'\b(%s)\b' % '|'.join(Commands), Name.Builtin),
            (r'\b(%s)\b' % '|'.join(Control), Keyword),
            (r'\b(%s)\b' % '|'.join(Declarations), Keyword),
            (r'\b(%s)\b' % '|'.join(Reserved), Name.Builtin),
            (r'\b(%s)s?\b' % '|'.join(BuiltIn), Name.Builtin),
            (r'\b(%s)\b' % '|'.join(HandlerParams), Name.Builtin),
            (r'\b(%s)\b' % '|'.join(StudioProperties), Name.Attribute),
            (r'\b(%s)s?\b' % '|'.join(StudioClasses), Name.Builtin),
            (r'\b(%s)\b' % '|'.join(StudioCommands), Name.Builtin),
            (r'\b(%s)\b' % '|'.join(References), Name.Builtin),
            (r'"(\\\\|\\"|[^"])*"', String.Double),
            (r'\b(%s)\b' % Identifiers, Name.Variable),
            (r'[-+]?(\d+\.\d*|\d*\.\d+)(E[-+][0-9]+)?', Number.Float),
            (r'[-+]?\d+', Number.Integer),
        ],
        'comment': [
            ('\(\*', Comment.Multiline, '#push'),
            ('\*\)', Comment.Multiline, '#pop'),
            ('[^*(]+', Comment.Multiline),
            ('[*(]', Comment.Multiline),
        ],
    }


class RexxLexer(RegexLexer):
    """
    `Rexx <http://www.rexxinfo.org/>`_ is a scripting language available for
    a wide range of different platforms with its roots found on mainframe
    systems. It is popular for I/O- and data based tasks and can act as glue
    language to bind different applications together.

    .. versionadded:: 2.0
    """
    name = 'Rexx'
    aliases = ['rexx', 'arexx']
    filenames = ['*.rexx', '*.rex', '*.rx', '*.arexx']
    mimetypes = ['text/x-rexx']
    flags = re.IGNORECASE

    tokens = {
        'root': [
            (r'\s', Whitespace),
            (r'/\*', Comment.Multiline, 'comment'),
            (r'"', String, 'string_double'),
            (r"'", String, 'string_single'),
            (r'[0-9]+(\.[0-9]+)?(e[+-]?[0-9])?', Number),
            (r'([a-z_]\w*)(\s*)(:)(\s*)(procedure)\b',
             bygroups(Name.Function, Whitespace, Operator, Whitespace,
                      Keyword.Declaration)),
            (r'([a-z_]\w*)(\s*)(:)',
             bygroups(Name.Label, Whitespace, Operator)),
            include('function'),
            include('keyword'),
            include('operator'),
            (r'[a-z_]\w*', Text),
        ],
        'function': [
            (words((
                'abbrev', 'abs', 'address', 'arg', 'b2x', 'bitand', 'bitor', 'bitxor',
                'c2d', 'c2x', 'center', 'charin', 'charout', 'chars', 'compare',
                'condition', 'copies', 'd2c', 'd2x', 'datatype', 'date', 'delstr',
                'delword', 'digits', 'errortext', 'form', 'format', 'fuzz', 'insert',
                'lastpos', 'left', 'length', 'linein', 'lineout', 'lines', 'max',
                'min', 'overlay', 'pos', 'queued', 'random', 'reverse', 'right', 'sign',
                'sourceline', 'space', 'stream', 'strip', 'substr', 'subword', 'symbol',
                'time', 'trace', 'translate', 'trunc', 'value', 'verify', 'word',
                'wordindex', 'wordlength', 'wordpos', 'words', 'x2b', 'x2c', 'x2d',
                'xrange'), suffix=r'(\s*)(\()'),
             bygroups(Name.Builtin, Whitespace, Operator)),
        ],
        'keyword': [
            (r'(address|arg|by|call|do|drop|else|end|exit|for|forever|if|'
             r'interpret|iterate|leave|nop|numeric|off|on|options|parse|'
             r'pull|push|queue|return|say|select|signal|to|then|trace|until|'
             r'while)\b', Keyword.Reserved),
        ],
        'operator': [
            (r'(-|//|/|\(|\)|\*\*|\*|\\<<|\\<|\\==|\\=|\\>>|\\>|\\|\|\||\||'
             r'&&|&|%|\+|<<=|<<|<=|<>|<|==|=|><|>=|>>=|>>|>|¬<<|¬<|¬==|¬=|'
             r'¬>>|¬>|¬|\.|,)', Operator),
        ],
        'string_double': [
            (r'[^"\n]+', String),
            (r'""', String),
            (r'"', String, '#pop'),
            (r'\n', Text, '#pop'),  # Stray linefeed also terminates strings.
        ],
        'string_single': [
            (r'[^\'\n]', String),
            (r'\'\'', String),
            (r'\'', String, '#pop'),
            (r'\n', Text, '#pop'),  # Stray linefeed also terminates strings.
        ],
        'comment': [
            (r'[^*]+', Comment.Multiline),
            (r'\*/', Comment.Multiline, '#pop'),
            (r'\*', Comment.Multiline),
        ]
    }

    _c = lambda s: re.compile(s, re.MULTILINE)
    _ADDRESS_COMMAND_PATTERN = _c(r'^\s*address\s+command\b')
    _ADDRESS_PATTERN = _c(r'^\s*address\s+')
    _DO_WHILE_PATTERN = _c(r'^\s*do\s+while\b')
    _IF_THEN_DO_PATTERN = _c(r'^\s*if\b.+\bthen\s+do\s*$')
    _PROCEDURE_PATTERN = _c(r'^\s*([a-z_]\w*)(\s*)(:)(\s*)(procedure)\b')
    _ELSE_DO_PATTERN = _c(r'\belse\s+do\s*$')
    _PARSE_ARG_PATTERN = _c(r'^\s*parse\s+(upper\s+)?(arg|value)\b')
    PATTERNS_AND_WEIGHTS = (
        (_ADDRESS_COMMAND_PATTERN, 0.2),
        (_ADDRESS_PATTERN, 0.05),
        (_DO_WHILE_PATTERN, 0.1),
        (_ELSE_DO_PATTERN, 0.1),
        (_IF_THEN_DO_PATTERN, 0.1),
        (_PROCEDURE_PATTERN, 0.5),
        (_PARSE_ARG_PATTERN, 0.2),
    )

    def analyse_text(text):
        """
        Check for inital comment and patterns that distinguish Rexx from other
        C-like languages.
        """
        if re.search(r'/\*\**\s*rexx', text, re.IGNORECASE):
            # Header matches MVS Rexx requirements, this is certainly a Rexx
            # script.
            return 1.0
        elif text.startswith('/*'):
            # Header matches general Rexx requirements; the source code might
            # still be any language using C comments such as C++, C# or Java.
            lowerText = text.lower()
            result = sum(weight
                         for (pattern, weight) in RexxLexer.PATTERNS_AND_WEIGHTS
                         if pattern.search(lowerText)) + 0.01
            return min(result, 1.0)


class MOOCodeLexer(RegexLexer):
    """
    For `MOOCode <http://www.moo.mud.org/>`_ (the MOO scripting
    language).

    .. versionadded:: 0.9
    """
    name = 'MOOCode'
    filenames = ['*.moo']
    aliases = ['moocode', 'moo']
    mimetypes = ['text/x-moocode']

    tokens = {
        'root': [
            # Numbers
            (r'(0|[1-9][0-9_]*)', Number.Integer),
            # Strings
            (r'"(\\\\|\\"|[^"])*"', String),
            # exceptions
            (r'(E_PERM|E_DIV)', Name.Exception),
            # db-refs
            (r'((#[-0-9]+)|(\$\w+))', Name.Entity),
            # Keywords
            (r'\b(if|else|elseif|endif|for|endfor|fork|endfork|while'
             r'|endwhile|break|continue|return|try'
             r'|except|endtry|finally|in)\b', Keyword),
            # builtins
            (r'(random|length)', Name.Builtin),
            # special variables
            (r'(player|caller|this|args)', Name.Variable.Instance),
            # skip whitespace
            (r'\s+', Text),
            (r'\n', Text),
            # other operators
            (r'([!;=,{}&|:.\[\]@()<>?]+)', Operator),
            # function call
            (r'(\w+)(\()', bygroups(Name.Function, Operator)),
            # variables
            (r'(\w+)', Text),
        ]
    }


class HybrisLexer(RegexLexer):
    """
    For `Hybris <http://www.hybris-lang.org>`_ source code.

    .. versionadded:: 1.4
    """

    name = 'Hybris'
    aliases = ['hybris', 'hy']
    filenames = ['*.hy', '*.hyb']
    mimetypes = ['text/x-hybris', 'application/x-hybris']

    flags = re.MULTILINE | re.DOTALL

    tokens = {
        'root': [
            # method names
            (r'^(\s*(?:function|method|operator\s+)+?)'
             r'([a-zA-Z_]\w*)'
             r'(\s*)(\()', bygroups(Keyword, Name.Function, Text, Operator)),
            (r'[^\S\n]+', Text),
            (r'//.*?\n', Comment.Single),
            (r'/\*.*?\*/', Comment.Multiline),
            (r'@[a-zA-Z_][\w.]*', Name.Decorator),
            (r'(break|case|catch|next|default|do|else|finally|for|foreach|of|'
             r'unless|if|new|return|switch|me|throw|try|while)\b', Keyword),
            (r'(extends|private|protected|public|static|throws|function|method|'
             r'operator)\b', Keyword.Declaration),
            (r'(true|false|null|__FILE__|__LINE__|__VERSION__|__LIB_PATH__|'
             r'__INC_PATH__)\b', Keyword.Constant),
            (r'(class|struct)(\s+)',
             bygroups(Keyword.Declaration, Text), 'class'),
            (r'(import|include)(\s+)',
             bygroups(Keyword.Namespace, Text), 'import'),
            (words((
                'gc_collect', 'gc_mm_items', 'gc_mm_usage', 'gc_collect_threshold',
                'urlencode', 'urldecode', 'base64encode', 'base64decode', 'sha1', 'crc32',
                'sha2', 'md5', 'md5_file', 'acos', 'asin', 'atan', 'atan2', 'ceil', 'cos',
                'cosh', 'exp', 'fabs', 'floor', 'fmod', 'log', 'log10', 'pow', 'sin',
                'sinh', 'sqrt', 'tan', 'tanh', 'isint', 'isfloat', 'ischar', 'isstring',
                'isarray', 'ismap', 'isalias', 'typeof', 'sizeof', 'toint', 'tostring',
                'fromxml', 'toxml', 'binary', 'pack', 'load', 'eval', 'var_names',
                'var_values', 'user_functions', 'dyn_functions', 'methods', 'call',
                'call_method', 'mknod', 'mkfifo', 'mount', 'umount2', 'umount', 'ticks',
                'usleep', 'sleep', 'time', 'strtime', 'strdate', 'dllopen', 'dlllink',
                'dllcall', 'dllcall_argv', 'dllclose', 'env', 'exec', 'fork', 'getpid',
                'wait', 'popen', 'pclose', 'exit', 'kill', 'pthread_create',
                'pthread_create_argv', 'pthread_exit', 'pthread_join', 'pthread_kill',
                'smtp_send', 'http_get', 'http_post', 'http_download', 'socket', 'bind',
                'listen', 'accept', 'getsockname', 'getpeername', 'settimeout', 'connect',
                'server', 'recv', 'send', 'close', 'print', 'println', 'printf', 'input',
                'readline', 'serial_open', 'serial_fcntl', 'serial_get_attr',
                'serial_get_ispeed', 'serial_get_ospeed', 'serial_set_attr',
                'serial_set_ispeed', 'serial_set_ospeed', 'serial_write', 'serial_read',
                'serial_close', 'xml_load', 'xml_parse', 'fopen', 'fseek', 'ftell',
                'fsize', 'fread', 'fwrite', 'fgets', 'fclose', 'file', 'readdir',
                'pcre_replace', 'size', 'pop', 'unmap', 'has', 'keys', 'values',
                'length', 'find', 'substr', 'replace', 'split', 'trim', 'remove',
                'contains', 'join'), suffix=r'\b'),
             Name.Builtin),
            (words((
                'MethodReference', 'Runner', 'Dll', 'Thread', 'Pipe', 'Process',
                'Runnable', 'CGI', 'ClientSocket', 'Socket', 'ServerSocket',
                'File', 'Console', 'Directory', 'Exception'), suffix=r'\b'),
             Keyword.Type),
            (r'"(\\\\|\\"|[^"])*"', String),
            (r"'\\.'|'[^\\]'|'\\u[0-9a-f]{4}'", String.Char),
            (r'(\.)([a-zA-Z_]\w*)',
             bygroups(Operator, Name.Attribute)),
            (r'[a-zA-Z_]\w*:', Name.Label),
            (r'[a-zA-Z_$]\w*', Name),
            (r'[~^*!%&\[\](){}<>|+=:;,./?\-@]+', Operator),
            (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
            (r'0x[0-9a-f]+', Number.Hex),
            (r'[0-9]+L?', Number.Integer),
            (r'\n', Text),
        ],
        'class': [
            (r'[a-zA-Z_]\w*', Name.Class, '#pop')
        ],
        'import': [
            (r'[\w.]+\*?', Name.Namespace, '#pop')
        ],
    }


class EasytrieveLexer(RegexLexer):
    """
    Easytrieve Plus is a programming language for extracting, filtering and
    converting sequential data. Furthermore it can layout data for reports.
    It is mainly used on mainframe platforms and can access several of the
    mainframe's native file formats. It is somewhat comparable to awk.

    .. versionadded:: 2.1
    """
    name = 'Easytrieve'
    aliases = ['easytrieve']
    filenames = ['*.ezt', '*.mac']
    mimetypes = ['text/x-easytrieve']
    flags = 0

    # Note: We cannot use r'\b' at the start and end of keywords because
    # Easytrieve Plus delimiter characters are:
    #
    #   * space ( )
    #   * apostrophe (')
    #   * period (.)
    #   * comma (,)
    #   * paranthesis ( and )
    #   * colon (:)
    #
    # Additionally words end once a '*' appears, indicatins a comment.
    _DELIMITERS = r' \'.,():\n'
    _DELIMITERS_OR_COMENT = _DELIMITERS + '*'
    _DELIMITER_PATTERN = '[' + _DELIMITERS + ']'
    _DELIMITER_PATTERN_CAPTURE = '(' + _DELIMITER_PATTERN + ')'
    _NON_DELIMITER_OR_COMMENT_PATTERN = '[^' + _DELIMITERS_OR_COMENT + ']'
    _OPERATORS_PATTERN = u'[.+\\-/=\\[\\](){}<>;,&%¬]'
    _KEYWORDS = [
        'AFTER-BREAK', 'AFTER-LINE', 'AFTER-SCREEN', 'AIM', 'AND', 'ATTR',
        'BEFORE', 'BEFORE-BREAK', 'BEFORE-LINE', 'BEFORE-SCREEN', 'BUSHU',
        'BY', 'CALL', 'CASE', 'CHECKPOINT', 'CHKP', 'CHKP-STATUS', 'CLEAR',
        'CLOSE', 'COL', 'COLOR', 'COMMIT', 'CONTROL', 'COPY', 'CURSOR', 'D',
        'DECLARE', 'DEFAULT', 'DEFINE', 'DELETE', 'DENWA', 'DISPLAY', 'DLI',
        'DO', 'DUPLICATE', 'E', 'ELSE', 'ELSE-IF', 'END', 'END-CASE',
        'END-DO', 'END-IF', 'END-PROC', 'ENDPAGE', 'ENDTABLE', 'ENTER', 'EOF',
        'EQ', 'ERROR', 'EXIT', 'EXTERNAL', 'EZLIB', 'F1', 'F10', 'F11', 'F12',
        'F13', 'F14', 'F15', 'F16', 'F17', 'F18', 'F19', 'F2', 'F20', 'F21',
        'F22', 'F23', 'F24', 'F25', 'F26', 'F27', 'F28', 'F29', 'F3', 'F30',
        'F31', 'F32', 'F33', 'F34', 'F35', 'F36', 'F4', 'F5', 'F6', 'F7',
        'F8', 'F9', 'FETCH', 'FILE-STATUS', 'FILL', 'FINAL', 'FIRST',
        'FIRST-DUP', 'FOR', 'GE', 'GET', 'GO', 'GOTO', 'GQ', 'GR', 'GT',
        'HEADING', 'HEX', 'HIGH-VALUES', 'IDD', 'IDMS', 'IF', 'IN', 'INSERT',
        'JUSTIFY', 'KANJI-DATE', 'KANJI-DATE-LONG', 'KANJI-TIME', 'KEY',
        'KEY-PRESSED', 'KOKUGO', 'KUN', 'LAST-DUP', 'LE', 'LEVEL', 'LIKE',
        'LINE', 'LINE-COUNT', 'LINE-NUMBER', 'LINK', 'LIST', 'LOW-VALUES',
        'LQ', 'LS', 'LT', 'MACRO', 'MASK', 'MATCHED', 'MEND', 'MESSAGE',
        'MOVE', 'MSTART', 'NE', 'NEWPAGE', 'NOMASK', 'NOPRINT', 'NOT',
        'NOTE', 'NOVERIFY', 'NQ', 'NULL', 'OF', 'OR', 'OTHERWISE', 'PA1',
        'PA2', 'PA3', 'PAGE-COUNT', 'PAGE-NUMBER', 'PARM-REGISTER',
        'PATH-ID', 'PATTERN', 'PERFORM', 'POINT', 'POS', 'PRIMARY', 'PRINT',
        'PROCEDURE', 'PROGRAM', 'PUT', 'READ', 'RECORD', 'RECORD-COUNT',
        'RECORD-LENGTH', 'REFRESH', 'RELEASE', 'RENUM', 'REPEAT', 'REPORT',
        'REPORT-INPUT', 'RESHOW', 'RESTART', 'RETRIEVE', 'RETURN-CODE',
        'ROLLBACK', 'ROW', 'S', 'SCREEN', 'SEARCH', 'SECONDARY', 'SELECT',
        'SEQUENCE', 'SIZE', 'SKIP', 'SOKAKU', 'SORT', 'SQL', 'STOP', 'SUM',
        'SYSDATE', 'SYSDATE-LONG', 'SYSIN', 'SYSIPT', 'SYSLST', 'SYSPRINT',
        'SYSSNAP', 'SYSTIME', 'TALLY', 'TERM-COLUMNS', 'TERM-NAME',
        'TERM-ROWS', 'TERMINATION', 'TITLE', 'TO', 'TRANSFER', 'TRC',
        'UNIQUE', 'UNTIL', 'UPDATE', 'UPPERCASE', 'USER', 'USERID', 'VALUE',
        'VERIFY', 'W', 'WHEN', 'WHILE', 'WORK', 'WRITE', 'X', 'XDM', 'XRST'
    ]

    tokens = {
        'root': [
            (r'\*.*\n', Comment.Single),
            (r'\n+', Whitespace),
            # Macro argument
            (r'&' + _NON_DELIMITER_OR_COMMENT_PATTERN + r'+\.', Name.Variable,
             'after_macro_argument'),
            # Macro call
            (r'%' + _NON_DELIMITER_OR_COMMENT_PATTERN + r'+', Name.Variable),
            (r'(FILE|MACRO|REPORT)(\s+)',
             bygroups(Keyword.Declaration, Whitespace), 'after_declaration'),
            (r'(JOB|PARM)' + r'(' + _DELIMITER_PATTERN + r')',
             bygroups(Keyword.Declaration, Operator)),
            (words(_KEYWORDS, suffix=_DELIMITER_PATTERN_CAPTURE),
             bygroups(Keyword.Reserved, Operator)),
            (_OPERATORS_PATTERN, Operator),
            # Procedure declaration
            (r'(' + _NON_DELIMITER_OR_COMMENT_PATTERN + r'+)(\s*)(\.?)(\s*)(PROC)(\s*\n)',
             bygroups(Name.Function, Whitespace, Operator, Whitespace,
                      Keyword.Declaration, Whitespace)),
            (r'[0-9]+\.[0-9]*', Number.Float),
            (r'[0-9]+', Number.Integer),
            (r"'(''|[^'])*'", String),
            (r'\s+', Whitespace),
            # Everything else just belongs to a name
            (_NON_DELIMITER_OR_COMMENT_PATTERN + r'+', Name)
         ],
        'after_declaration': [
            (_NON_DELIMITER_OR_COMMENT_PATTERN + r'+', Name.Function),
            ('', Whitespace, '#pop')
        ],
        'after_macro_argument': [
            (r'\*.*\n', Comment.Single, '#pop'),
            (r'\s+', Whitespace, '#pop'),
            (_OPERATORS_PATTERN, Operator, '#pop'),
            (r"'(''|[^'])*'", String, '#pop'),
            # Everything else just belongs to a name
            (_NON_DELIMITER_OR_COMMENT_PATTERN + r'+', Name)
        ],
    }
    _COMMENT_LINE_REGEX = re.compile(r'^\s*\*')
    _MACRO_HEADER_REGEX = re.compile(r'^\s*MACRO')

    def analyse_text(text):
        """
        Perform a structural analysis for basic Easytrieve constructs.
        """
        result = 0.0
        lines = text.split('\n')
        hasEndProc = False
        hasHeaderComment = False
        hasFile = False
        hasJob = False
        hasProc = False
        hasParm = False
        hasReport = False

        def isCommentLine(line):
            return EasytrieveLexer._COMMENT_LINE_REGEX.match(lines[0]) is not None

        def isEmptyLine(line):
            return not bool(line.strip())

        # Remove possible empty lines and header comments.
        while lines and (isEmptyLine(lines[0]) or isCommentLine(lines[0])):
            if not isEmptyLine(lines[0]):
                hasHeaderComment = True
            del lines[0]

        if EasytrieveLexer._MACRO_HEADER_REGEX.match(lines[0]):
            # Looks like an Easytrieve macro.
            result = 0.4
            if hasHeaderComment:
                result += 0.4
        else:
            # Scan the source for lines starting with indicators.
            for line in lines:
                words = line.split()
                if (len(words) >= 2):
                    firstWord = words[0]
                    if not hasReport:
                        if not hasJob:
                            if not hasFile:
                                if not hasParm:
                                    if firstWord == 'PARM':
                                        hasParm = True
                                if firstWord == 'FILE':
                                    hasFile = True
                            if firstWord == 'JOB':
                                hasJob = True
                        elif firstWord == 'PROC':
                            hasProc = True
                        elif firstWord == 'END-PROC':
                            hasEndProc = True
                        elif firstWord == 'REPORT':
                            hasReport = True

            # Weight the findings.
            if hasJob and (hasProc == hasEndProc):
                if hasHeaderComment:
                    result += 0.1
                if hasParm:
                    if hasProc:
                        # Found PARM, JOB and PROC/END-PROC:
                        # pretty sure this is Easytrieve.
                        result += 0.8
                    else:
                        # Found PARAM and  JOB: probably this is Easytrieve
                        result += 0.5
                else:
                    # Found JOB and possibly other keywords: might be Easytrieve
                    result += 0.11
                    if hasParm:
                        # Note: PARAM is not a proper English word, so this is
                        # regarded a much better indicator for Easytrieve than
                        # the other words.
                        result += 0.2
                    if hasFile:
                        result += 0.01
                    if hasReport:
                        result += 0.01
        assert 0.0 <= result <= 1.0
        return result


class JclLexer(RegexLexer):
    """
    `Job Control Language (JCL) <http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/IEA2B570/CCONTENTS>`_
    is a scripting language used on mainframe platforms to instruct the system
    on how to run a batch job or start a subsystem. It is somewhat
    comparable to MS DOS batch and Unix shell scripts.

    .. versionadded:: 2.1
    """
    name = 'JCL'
    aliases = ['jcl']
    filenames = ['*.jcl']
    mimetypes = ['text/x-jcl']
    flags = re.IGNORECASE

    tokens = {
        'root': [
            (r'//\*.*\n', Comment.Single),
            (r'//', Keyword.Pseudo, 'statement'),
            (r'/\*', Keyword.Pseudo, 'jes2_statement'),
            # TODO: JES3 statement
            (r'.*\n', Other)  # Input text or inline code in any language.
        ],
        'statement': [
            (r'\s*\n', Whitespace, '#pop'),
            (r'([a-z][a-z_0-9]*)(\s+)(exec|job)(\s*)',
             bygroups(Name.Label, Whitespace, Keyword.Reserved, Whitespace),
             'option'),
            (r'[a-z][a-z_0-9]*', Name.Variable, 'statement_command'),
            (r'\s+', Whitespace, 'statement_command'),
        ],
        'statement_command': [
            (r'\s+(command|cntl|dd|endctl|endif|else|include|jcllib|'
             r'output|pend|proc|set|then|xmit)\s+', Keyword.Reserved, 'option'),
            include('option')
        ],
        'jes2_statement': [
            (r'\s*\n', Whitespace, '#pop'),
            (r'\$', Keyword, 'option'),
            (r'\b(jobparam|message|netacct|notify|output|priority|route|'
             r'setup|signoff|xeq|xmit)\b', Keyword, 'option'),
        ],
        'option': [
            # (r'\n', Text, 'root'),
            (r'\*', Name.Builtin),
            (r'[\[\](){}<>;,]', Punctuation),
            (r'[-+*/=&%]', Operator),
            (r'[a-z_][a-z_0-9]*', Name),
            (r'[0-9]+\.[0-9]*', Number.Float),
            (r'\.[0-9]+', Number.Float),
            (r'[0-9]+', Number.Integer),
            (r"'", String, 'option_string'),
            (r'[ \t]+', Whitespace, 'option_comment'),
            (r'\.', Punctuation),
        ],
        'option_string': [
            (r"(\n)(//)", bygroups(Text, Keyword.Pseudo)),
            (r"''", String),
            (r"[^']", String),
            (r"'", String, '#pop'),
        ],
        'option_comment': [
            # (r'\n', Text, 'root'),
            (r'.+', Comment.Single),
        ]
    }

    _JOB_HEADER_PATTERN = re.compile(r'^//[a-z#$@][a-z0-9#$@]{0,7}\s+job(\s+.*)?$',
                                     re.IGNORECASE)

    def analyse_text(text):
        """
        Recognize JCL job by header.
        """
        result = 0.0
        lines = text.split('\n')
        if len(lines) > 0:
            if JclLexer._JOB_HEADER_PATTERN.match(lines[0]):
                result = 1.0
        assert 0.0 <= result <= 1.0
        return result
