/*
Language: MEL
Description: Maya Embedded Language
Author: Shuen-Huei Guan <drake.guan@gmail.com>
*/

hljs.LANGUAGES.mel = {
  defaultMode: {
    lexems: [hljs.UNDERSCORE_IDENT_RE],
    illegal: '</',
    contains: ['number', 'string', 'variable', 'comment'],
    keywords: {'int': 1, 'float': 1, 'string': 1, 'float': 1, 'vector': 1, 'matrix': 1,
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    'exists': 1, 'objExists': 1, 'attributeExists': 1,
    'global': 1, 'proc': 1, 'return': 1,
    'error': 1, 'warning': 1, 'trace': 1, 'catch': 1,
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'setAttrNiceNameResource': 1, 'setConstraintRestPosition': 1, 'setDefaultShadingGroup': 1, 'setDrivenKeyframe': 1, 'setDynamic': 1, 'setEditCtx': 1, 'setEditor': 1, 'setFluidAttr': 1, 'setFocus': 1, 'setInfinity': 1, 'setInputDeviceMapping': 1, 'setKeyCtx': 1, 'setKeyPath': 1, 'setKeyframe': 1, 'setKeyframeBlendshapeTargetWts': 1, 'setMenuMode': 1, 'setNodeNiceNameResource': 1, 'setNodeTypeFlag': 1, 'setParent': 1, 'setParticleAttr': 1, 'setPfxToPolyCamera': 1, 'setPluginResource': 1, 'setProject': 1, 'setStampDensity': 1, 'setStartupMessage': 1, 'setState': 1, 'setToolTo': 1, 'setUITemplate': 1, 'setXformManip': 1, 'sets': 1, 'shadingConnection': 1, 'shadingGeometryRelCtx': 1, 'shadingLightRelCtx': 1, 'shadingNetworkCompare': 1, 'shadingNode': 1, 'shapeCompare': 1, 'shelfButton': 1, 'shelfLayout': 1, 'shelfTabLayout': 1, 'shellField': 1, 'shortNameOf': 1, 'showHelp': 1, 'showHidden': 1, 'showManipCtx': 1, 'showSelectionInTitle': 1, 'showShadingGroupAttrEditor': 1, 'showWindow': 1, 'sign': 1, 'simplify': 1, 'sin': 1, 'singleProfileBirailSurface': 1, 'size': 1, 'sizeBytes': 1, 'skinCluster': 1, 'skinPercent': 1, 'smoothCurve': 1, 'smoothTangentSurface': 1, 'smoothstep': 1, 'snap2to2': 1, 'snapKey': 1, 'snapMode': 1, 'snapTogetherCtx': 1, 'snapshot': 1, 'soft': 1, 'softMod': 1, 'softModCtx': 1, 'sort': 1, 'sound': 1, 'soundControl': 1, 'source': 1, 'spaceLocator': 1, 'sphere': 1, 'sphrand': 1, 'spotLight': 1, 'spotLightPreviewPort': 1, 'spreadSheetEditor': 1, 'spring': 1, 'sqrt': 1, 'squareSurface': 1, 'srtContext': 1, 'stackTrace': 1, 'startString': 1, 'startsWith': 1, 'stitchAndExplodeShell': 1, 'stitchSurface': 1, 'stitchSurfacePoints': 1, 'strcmp': 1, 'stringArrayCatenate': 1, 'stringArrayContains': 1, 'stringArrayCount': 1, 'stringArrayInsertAtIndex': 1, 'stringArrayIntersector': 1, 'stringArrayRemove': 1, 'stringArrayRemoveAtIndex': 1, 'stringArrayRemoveDuplicates': 1, 'stringArrayRemoveExact': 1, 'stringArrayToString': 1, 'stringToStringArray': 1, 'strip': 1, 'stripPrefixFromName': 1, 'stroke': 1, 'subdAutoProjection': 1, 'subdCleanTopology': 1, 'subdCollapse': 1, 'subdDuplicateAndConnect': 1, 'subdEditUV': 1, 'subdListComponentConversion': 1, 'subdMapCut': 1, 'subdMapSewMove': 1, 'subdMatchTopology': 1, 'subdMirror': 1, 'subdToBlind': 1, 'subdToPoly': 1, 'subdTransferUVsToCache': 1, 'subdiv': 1, 'subdivCrease': 1, 'subdivDisplaySmoothness': 1, 'substitute': 1, 'substituteAllString': 1, 'substituteGeometry': 1, 'substring': 1, 'surface': 1, 'surfaceSampler': 1, 'surfaceShaderList': 1, 'swatchDisplayPort': 1, 'switchTable': 1, 'symbolButton': 1, 'symbolCheckBox': 1, 'sysFile': 1, 'system': 1, 'tabLayout': 1, 'tan': 1, 'tangentConstraint': 1, 'texLatticeDeformContext': 1, 'texManipContext': 1, 'texMoveContext': 1, 'texMoveUVShellContext': 1, 'texRotateContext': 1, 'texScaleContext': 1, 'texSelectContext': 1, 'texSelectShortestPathCtx': 1, 'texSmudgeUVContext': 1, 'texWinToolCtx': 1, 'text': 1, 'textCurves': 1, 'textField': 1, 'textFieldButtonGrp': 1, 'textFieldGrp': 1, 'textManip': 1, 'textScrollList': 1, 'textToShelf': 1, 'textureDisplacePlane': 1, 'textureHairColor': 1, 'texturePlacementContext': 1, 'textureWindow': 1, 'threadCount': 1, 'threePointArcCtx': 1, 'timeControl': 1, 'timePort': 1, 'timerX': 1, 'toNativePath': 1, 'toggle': 1, 'toggleAxis': 1, 'toggleWindowVisibility': 1, 'tokenize': 1, 'tokenizeList': 1, 'tolerance': 1, 'tolower': 1, 'toolButton': 1, 'toolCollection': 1, 'toolDropped': 1, 'toolHasOptions': 1, 'toolPropertyWindow': 1, 'torus': 1, 'toupper': 1, 'trace': 1, 'track': 1, 'trackCtx': 1, 'transferAttributes': 1, 'transformCompare': 1, 'transformLimits': 1, 'translator': 1, 'trim': 1, 'trunc': 1, 'truncateFluidCache': 1, 'truncateHairCache': 1, 'tumble': 1, 'tumbleCtx': 1, 'turbulence': 1, 'twoPointArcCtx': 1, 'uiRes': 1, 'uiTemplate': 1, 'unassignInputDevice': 1, 'undo': 1, 'undoInfo': 1, 'ungroup': 1, 'uniform': 1, 'unit': 1, 'unloadPlugin': 1, 'untangleUV': 1, 'untitledFileName': 1, 'untrim': 1, 'upAxis': 1, 'updateAE': 1, 'userCtx': 1, 'uvLink': 1, 'uvSnapshot': 1, 'validateShelfName': 1, 'vectorize': 1, 'view2dToolCtx': 1, 'viewCamera': 1, 'viewClipPlane': 1, 'viewFit': 1, 'viewHeadOn': 1, 'viewLookAt': 1, 'viewManip': 1, 'viewPlace': 1, 'viewSet': 1, 'visor': 1, 'volumeAxis': 1, 'vortex': 1, 'waitCursor': 1, 'warning': 1, 'webBrowser': 1, 'webBrowserPrefs': 1, 'whatIs': 1, 'window': 1, 'windowPref': 1, 'wire': 1, 'wireContext': 1, 'workspace': 1, 'wrinkle': 1, 'wrinkleContext': 1, 'writeTake': 1, 'xbmLangPathList': 1, 'xform': 1
     }
  },
  modes: [
    // number
    hljs.C_NUMBER_MODE,
    // string
    hljs.APOS_STRING_MODE,
    hljs.QUOTE_STRING_MODE,
    hljs.BACKSLASH_ESCAPE,
    {
      className: 'string',
      begin: '`', end: '`',
      contains: ['escape']
    },
    // variable
    {
      className: 'variable',
      begin: '\\$\\d', end: '^',
      relevance: 5
    },
    {
      className: 'variable',
      begin: '[\\$\\%\\@\\*](\\^\\w\\b|#\\w+|[^\\s\\w{]|{\\w+}|\\w+)', end: '^'
    },
    // array, $a[3] = {"a","b","c"}, $b[3] = {1,2,3}
    // vector, $test = <<3.0, 7.7, 9.1>>
    // matrix, matrix $a3[3][4] = <<2.5, 4.5, 3.25, 8.05; ... >>
    // param, -name ... -radius ...
    // operator, () [] ! ++ -- * / % ^ + - < <= > >= == != && || ? : = += -= *= /=
    // comment
    hljs.C_LINE_COMMENT_MODE,
    hljs.C_BLOCK_COMMENT_MODE
  ]
};