/*
Language: Julia
Author: Kenta Sato <bicycle1885@gmail.com>
*/

function(hljs) {
  // Since there are numerous special names in Julia, it is too much trouble
  // to maintain them by hand. Hence these names (i.e. keywords, literals and
  // built-ins) are automatically generated from Julia (v0.3.0 and v0.4.1)
  // itself through following scripts for each.

  var KEYWORDS = {
    // # keyword generator
    // println("in")
    // for kw in Base.REPLCompletions.complete_keyword("")
    //     println(kw)
    // end
    keyword:
      'in abstract baremodule begin bitstype break catch ccall const continue do else elseif end export ' +
      'finally for function global if immutable import importall let local macro module quote return try type ' +
      'typealias using while',

    // # literal generator
    // println("true")
    // println("false")
    // for name in Base.REPLCompletions.completions("", 0)[1]
    //     try
    //         s = symbol(name)
    //         v = eval(s)
    //         if !isa(v, Function) &&
    //            !isa(v, DataType) &&
    //            !isa(v, IntrinsicFunction) &&
    //            !issubtype(typeof(v), Tuple) &&
    //            !isa(v, Union) &&
    //            !isa(v, Module) &&
    //            !isa(v, TypeConstructor) &&
    //            !isa(v, TypeVar) &&
    //            !isa(v, Colon)
    //             println(name)
    //         end
    //     end
    // end
    literal:
      // v0.3
      'true false ARGS CPU_CORES C_NULL DL_LOAD_PATH DevNull ENDIAN_BOM ENV I|0 Inf Inf16 Inf32 ' +
      'InsertionSort JULIA_HOME LOAD_PATH MS_ASYNC MS_INVALIDATE MS_SYNC MergeSort NaN NaN16 NaN32 OS_NAME QuickSort ' +
      'RTLD_DEEPBIND RTLD_FIRST RTLD_GLOBAL RTLD_LAZY RTLD_LOCAL RTLD_NODELETE RTLD_NOLOAD RTLD_NOW RoundDown ' +
      'RoundFromZero RoundNearest RoundToZero RoundUp STDERR STDIN STDOUT VERSION WORD_SIZE catalan cglobal e|0 eu|0 ' +
      'eulergamma golden im nothing pi γ π φ ' +
      // v0.4 (diff)
      'Inf64 NaN64 RoundNearestTiesAway RoundNearestTiesUp ',

    // # built_in generator:
    // for name in Base.REPLCompletions.completions("", 0)[1]
    //     try
    //         v = eval(symbol(name))
    //         if isa(v, DataType) || isa(v, TypeConstructor) || isa(v, TypeVar)
    //             println(name)
    //         end
    //     end
    // end
    built_in:
      // v0.3
      'ANY ASCIIString AbstractArray AbstractRNG AbstractSparseArray Any ArgumentError Array Associative Base64Pipe ' +
      'Bidiagonal BigFloat BigInt BitArray BitMatrix BitVector Bool BoundsError Box CFILE Cchar Cdouble Cfloat Char ' +
      'CharString Cint Clong Clonglong ClusterManager Cmd Coff_t Colon Complex Complex128 Complex32 Complex64 ' +
      'Condition Cptrdiff_t Cshort Csize_t Cssize_t Cuchar Cuint Culong Culonglong Cushort Cwchar_t DArray DataType ' +
      'DenseArray Diagonal Dict DimensionMismatch DirectIndexString Display DivideError DomainError EOFError ' +
      'EachLine Enumerate ErrorException Exception Expr Factorization FileMonitor FileOffset Filter Float16 Float32 ' +
      'Float64 FloatRange FloatingPoint Function GetfieldNode GotoNode Hermitian IO IOBuffer IOStream IPv4 IPv6 ' +
      'InexactError Int Int128 Int16 Int32 Int64 Int8 IntSet Integer InterruptException IntrinsicFunction KeyError ' +
      'LabelNode LambdaStaticData LineNumberNode LoadError LocalProcess MIME MathConst MemoryError MersenneTwister ' +
      'Method MethodError MethodTable Module NTuple NewvarNode Nothing Number ObjectIdDict OrdinalRange ' +
      'OverflowError ParseError PollingFileWatcher ProcessExitedException ProcessGroup Ptr QuoteNode Range Range1 ' +
      'Ranges Rational RawFD Real Regex RegexMatch RemoteRef RepString RevString RopeString RoundingMode Set ' +
      'SharedArray Signed SparseMatrixCSC StackOverflowError Stat StatStruct StepRange String SubArray SubString ' +
      'SymTridiagonal Symbol SymbolNode Symmetric SystemError Task TextDisplay Timer TmStruct TopNode Triangular ' +
      'Tridiagonal Type TypeConstructor TypeError TypeName TypeVar UTF16String UTF32String UTF8String UdpSocket ' +
      'Uint Uint128 Uint16 Uint32 Uint64 Uint8 UndefRefError UndefVarError UniformScaling UnionType UnitRange ' +
      'Unsigned Vararg VersionNumber WString WeakKeyDict WeakRef Woodbury Zip ' +
      // v0.4 (diff)
      'AbstractChannel AbstractFloat AbstractString AssertionError Base64DecodePipe Base64EncodePipe BufferStream ' +
      'CapturedException CartesianIndex CartesianRange Channel Cintmax_t CompositeException Cstring Cuintmax_t ' +
      'Cwstring Date DateTime Dims Enum GenSym GlobalRef HTML InitError InvalidStateException Irrational LinSpace ' +
      'LowerTriangular NullException Nullable OutOfMemoryError Pair PartialQuickSort Pipe RandomDevice ' +
      'ReadOnlyMemoryError ReentrantLock Ref RemoteException SegmentationFault SerializationState SimpleVector ' +
      'TCPSocket Text Tuple UDPSocket UInt UInt128 UInt16 UInt32 UInt64 UInt8 UnicodeError Union UpperTriangular ' +
      'Val Void WorkerConfig AbstractMatrix AbstractSparseMatrix AbstractSparseVector AbstractVecOrMat AbstractVector ' +
      'DenseMatrix DenseVecOrMat DenseVector Matrix SharedMatrix SharedVector StridedArray StridedMatrix ' +
      'StridedVecOrMat StridedVector VecOrMat Vector '
  };

  // ref: http://julia.readthedocs.org/en/latest/manual/variables/#allowed-variable-names
  var VARIABLE_NAME_RE = '[A-Za-z_\\u00A1-\\uFFFF][A-Za-z_0-9\\u00A1-\\uFFFF]*';

  // placeholder for recursive self-reference
  var DEFAULT = { lexemes: VARIABLE_NAME_RE, keywords: KEYWORDS, illegal: /<\// };

  var TYPE_ANNOTATION = {
    className: 'type',
    begin: /::/
  };

  var SUBTYPE = {
    className: 'type',
    begin: /<:/
  };

  // ref: http://julia.readthedocs.org/en/latest/manual/integers-and-floating-point-numbers/
  var NUMBER = {
    className: 'number',
    // supported numeric literals:
    //  * binary literal (e.g. 0x10)
    //  * octal literal (e.g. 0o76543210)
    //  * hexadecimal literal (e.g. 0xfedcba876543210)
    //  * hexadecimal floating point literal (e.g. 0x1p0, 0x1.2p2)
    //  * decimal literal (e.g. 9876543210, 100_000_000)
    //  * floating pointe literal (e.g. 1.2, 1.2f, .2, 1., 1.2e10, 1.2e-10)
    begin: /(\b0x[\d_]*(\.[\d_]*)?|0x\.\d[\d_]*)p[-+]?\d+|\b0[box][a-fA-F0-9][a-fA-F0-9_]*|(\b\d[\d_]*(\.[\d_]*)?|\.\d[\d_]*)([eEfF][-+]?\d+)?/,
    relevance: 0
  };

  var CHAR = {
    className: 'string',
    begin: /'(.|\\[xXuU][a-zA-Z0-9]+)'/
  };

  var INTERPOLATION = {
    className: 'subst',
    begin: /\$\(/, end: /\)/,
    keywords: KEYWORDS
  };

  var INTERPOLATED_VARIABLE = {
    className: 'variable',
    begin: '\\$' + VARIABLE_NAME_RE
  };

  // TODO: neatly escape normal code in string literal
  var STRING = {
    className: 'string',
    contains: [hljs.BACKSLASH_ESCAPE, INTERPOLATION, INTERPOLATED_VARIABLE],
    variants: [
      { begin: /\w*"""/, end: /"""\w*/, relevance: 10 },
      { begin: /\w*"/, end: /"\w*/ }
    ]
  };

  var COMMAND = {
    className: 'string',
    contains: [hljs.BACKSLASH_ESCAPE, INTERPOLATION, INTERPOLATED_VARIABLE],
    begin: '`', end: '`'
  };

  var MACROCALL = {
    className: 'meta',
    begin: '@' + VARIABLE_NAME_RE
  };

  var COMMENT = {
    className: 'comment',
    variants: [
      { begin: '#=', end: '=#', relevance: 10 },
      { begin: '#', end: '$' }
    ]
  };

  DEFAULT.contains = [
    NUMBER,
    CHAR,
    TYPE_ANNOTATION,
    SUBTYPE,
    STRING,
    COMMAND,
    MACROCALL,
    COMMENT,
    hljs.HASH_COMMENT_MODE
  ];
  INTERPOLATION.contains = DEFAULT.contains;

  return DEFAULT;
}
