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# -*- coding: utf-8 -*-
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"""
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pygments.lexers.julia
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~~~~~~~~~~~~~~~~~~~~~
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Lexers for the Julia language.
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:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import Lexer, RegexLexer, bygroups, do_insertions, \
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words, include
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Generic
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from pygments.util import shebang_matches, unirange
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__all__ = ['JuliaLexer', 'JuliaConsoleLexer']
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allowed_variable = (
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u'(?:[a-zA-Z_\u00A1-\uffff]|%s)(?:[a-zA-Z_0-9\u00A1-\uffff]|%s)*!*' %
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((unirange(0x10000, 0x10ffff),) * 2))
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class JuliaLexer(RegexLexer):
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"""
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For `Julia <http://julialang.org/>`_ source code.
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.. versionadded:: 1.6
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"""
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name = 'Julia'
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aliases = ['julia', 'jl']
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filenames = ['*.jl']
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mimetypes = ['text/x-julia', 'application/x-julia']
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flags = re.MULTILINE | re.UNICODE
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tokens = {
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'root': [
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(r'\n', Text),
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(r'[^\S\n]+', Text),
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(r'#=', Comment.Multiline, "blockcomment"),
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(r'#.*$', Comment),
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(r'[\[\]{}(),;]', Punctuation),
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# keywords
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(r'in\b', Keyword.Pseudo),
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(r'(true|false)\b', Keyword.Constant),
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(r'(local|global|const)\b', Keyword.Declaration),
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(words([
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'function', 'type', 'typealias', 'abstract', 'immutable',
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'baremodule', 'begin', 'bitstype', 'break', 'catch', 'ccall',
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'continue', 'do', 'else', 'elseif', 'end', 'export', 'finally',
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'for', 'if', 'import', 'importall', 'let', 'macro', 'module',
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'quote', 'return', 'try', 'using', 'while'],
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suffix=r'\b'), Keyword),
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# NOTE
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# Patterns below work only for definition sites and thus hardly reliable.
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#
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# functions
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# (r'(function)(\s+)(' + allowed_variable + ')',
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# bygroups(Keyword, Text, Name.Function)),
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#
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# types
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# (r'(type|typealias|abstract|immutable)(\s+)(' + allowed_variable + ')',
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# bygroups(Keyword, Text, Name.Class)),
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# type names
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(words([
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'ANY', 'ASCIIString', 'AbstractArray', 'AbstractChannel',
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'AbstractFloat', 'AbstractMatrix', 'AbstractRNG',
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'AbstractSparseArray', 'AbstractSparseMatrix',
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'AbstractSparseVector', 'AbstractString', 'AbstractVecOrMat',
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'AbstractVector', 'Any', 'ArgumentError', 'Array',
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'AssertionError', 'Associative', 'Base64DecodePipe',
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'Base64EncodePipe', 'Bidiagonal', 'BigFloat', 'BigInt',
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'BitArray', 'BitMatrix', 'BitVector', 'Bool', 'BoundsError',
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'Box', 'BufferStream', 'CapturedException', 'CartesianIndex',
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'CartesianRange', 'Cchar', 'Cdouble', 'Cfloat', 'Channel',
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'Char', 'Cint', 'Cintmax_t', 'Clong', 'Clonglong',
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'ClusterManager', 'Cmd', 'Coff_t', 'Colon', 'Complex',
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'Complex128', 'Complex32', 'Complex64', 'CompositeException',
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'Condition', 'Cptrdiff_t', 'Cshort', 'Csize_t', 'Cssize_t',
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'Cstring', 'Cuchar', 'Cuint', 'Cuintmax_t', 'Culong',
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'Culonglong', 'Cushort', 'Cwchar_t', 'Cwstring', 'DataType',
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'Date', 'DateTime', 'DenseArray', 'DenseMatrix',
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'DenseVecOrMat', 'DenseVector', 'Diagonal', 'Dict',
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'DimensionMismatch', 'Dims', 'DirectIndexString', 'Display',
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'DivideError', 'DomainError', 'EOFError', 'EachLine', 'Enum',
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'Enumerate', 'ErrorException', 'Exception', 'Expr',
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'Factorization', 'FileMonitor', 'FileOffset', 'Filter',
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'Float16', 'Float32', 'Float64', 'FloatRange', 'Function',
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'GenSym', 'GlobalRef', 'GotoNode', 'HTML', 'Hermitian', 'IO',
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'IOBuffer', 'IOStream', 'IPv4', 'IPv6', 'InexactError',
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'InitError', 'Int', 'Int128', 'Int16', 'Int32', 'Int64', 'Int8',
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'IntSet', 'Integer', 'InterruptException', 'IntrinsicFunction',
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'InvalidStateException', 'Irrational', 'KeyError', 'LabelNode',
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'LambdaStaticData', 'LinSpace', 'LineNumberNode', 'LoadError',
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'LocalProcess', 'LowerTriangular', 'MIME', 'Matrix',
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'MersenneTwister', 'Method', 'MethodError', 'MethodTable',
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'Module', 'NTuple', 'NewvarNode', 'NullException', 'Nullable',
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'Number', 'ObjectIdDict', 'OrdinalRange', 'OutOfMemoryError',
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'OverflowError', 'Pair', 'ParseError', 'PartialQuickSort',
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'Pipe', 'PollingFileWatcher', 'ProcessExitedException',
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'ProcessGroup', 'Ptr', 'QuoteNode', 'RandomDevice', 'Range',
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'Rational', 'RawFD', 'ReadOnlyMemoryError', 'Real',
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'ReentrantLock', 'Ref', 'Regex', 'RegexMatch',
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'RemoteException', 'RemoteRef', 'RepString', 'RevString',
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'RopeString', 'RoundingMode', 'SegmentationFault',
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'SerializationState', 'Set', 'SharedArray', 'SharedMatrix',
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'SharedVector', 'Signed', 'SimpleVector', 'SparseMatrixCSC',
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'StackOverflowError', 'StatStruct', 'StepRange', 'StridedArray',
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'StridedMatrix', 'StridedVecOrMat', 'StridedVector', 'SubArray',
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'SubString', 'SymTridiagonal', 'Symbol', 'SymbolNode',
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'Symmetric', 'SystemError', 'TCPSocket', 'Task', 'Text',
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'TextDisplay', 'Timer', 'TopNode', 'Tridiagonal', 'Tuple',
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'Type', 'TypeConstructor', 'TypeError', 'TypeName', 'TypeVar',
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'UDPSocket', 'UInt', 'UInt128', 'UInt16', 'UInt32', 'UInt64',
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'UInt8', 'UTF16String', 'UTF32String', 'UTF8String',
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'UndefRefError', 'UndefVarError', 'UnicodeError', 'UniformScaling',
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'Union', 'UnitRange', 'Unsigned', 'UpperTriangular', 'Val',
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'Vararg', 'VecOrMat', 'Vector', 'VersionNumber', 'Void', 'WString',
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'WeakKeyDict', 'WeakRef', 'WorkerConfig', 'Zip'], suffix=r'\b'),
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Keyword.Type),
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# builtins
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(words([
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u'ARGS', u'CPU_CORES', u'C_NULL', u'DevNull', u'ENDIAN_BOM',
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u'ENV', u'I', u'Inf', u'Inf16', u'Inf32', u'Inf64',
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u'InsertionSort', u'JULIA_HOME', u'LOAD_PATH', u'MergeSort',
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u'NaN', u'NaN16', u'NaN32', u'NaN64', u'OS_NAME',
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u'QuickSort', u'RoundDown', u'RoundFromZero', u'RoundNearest',
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u'RoundNearestTiesAway', u'RoundNearestTiesUp',
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u'RoundToZero', u'RoundUp', u'STDERR', u'STDIN', u'STDOUT',
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u'VERSION', u'WORD_SIZE', u'catalan', u'e', u'eu',
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u'eulergamma', u'golden', u'im', u'nothing', u'pi', u'γ',
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u'π', u'φ'],
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suffix=r'\b'), Name.Builtin),
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# operators
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# see: https://github.com/JuliaLang/julia/blob/master/src/julia-parser.scm
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(words([
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# prec-assignment
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u'=', u':=', u'+=', u'-=', u'*=', u'/=', u'//=', u'.//=', u'.*=', u'./=',
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u'\\=', u'.\\=', u'^=', u'.^=', u'÷=', u'.÷=', u'%=', u'.%=', u'|=', u'&=',
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u'$=', u'=>', u'<<=', u'>>=', u'>>>=', u'~', u'.+=', u'.-=',
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# prec-conditional
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u'?',
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# prec-arrow
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u'--', u'-->',
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# prec-lazy-or
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u'||',
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# prec-lazy-and
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u'&&',
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# prec-comparison
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u'>', u'<', u'>=', u'≥', u'<=', u'≤', u'==', u'===', u'≡', u'!=', u'≠',
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u'!==', u'≢', u'.>', u'.<', u'.>=', u'.≥', u'.<=', u'.≤', u'.==', u'.!=',
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u'.≠', u'.=', u'.!', u'<:', u'>:', u'∈', u'∉', u'∋', u'∌', u'⊆',
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u'⊈', u'⊂',
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u'⊄', u'⊊',
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# prec-pipe
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u'|>', u'<|',
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# prec-colon
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u':',
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# prec-plus
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u'+', u'-', u'.+', u'.-', u'|', u'∪', u'$',
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# prec-bitshift
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u'<<', u'>>', u'>>>', u'.<<', u'.>>', u'.>>>',
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# prec-times
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u'*', u'/', u'./', u'÷', u'.÷', u'%', u'⋅', u'.%', u'.*', u'\\', u'.\\', u'&', u'∩',
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# prec-rational
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u'//', u'.//',
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# prec-power
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u'^', u'.^',
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# prec-decl
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u'::',
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# prec-dot
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u'.',
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# unary op
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u'+', u'-', u'!', u'√', u'∛', u'∜'
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]), Operator),
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# chars
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(r"'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,3}|\\u[a-fA-F0-9]{1,4}|"
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r"\\U[a-fA-F0-9]{1,6}|[^\\\'\n])'", String.Char),
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# try to match trailing transpose
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(r'(?<=[.\w)\]])\'+', Operator),
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# strings
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(r'"""', String, 'tqstring'),
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(r'"', String, 'string'),
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# regular expressions
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(r'r"""', String.Regex, 'tqregex'),
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(r'r"', String.Regex, 'regex'),
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# backticks
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(r'`', String.Backtick, 'command'),
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# names
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(allowed_variable, Name),
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(r'@' + allowed_variable, Name.Decorator),
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# numbers
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(r'(\d+(_\d+)+\.\d*|\d*\.\d+(_\d+)+)([eEf][+-]?[0-9]+)?', Number.Float),
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(r'(\d+\.\d*|\d*\.\d+)([eEf][+-]?[0-9]+)?', Number.Float),
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(r'\d+(_\d+)+[eEf][+-]?[0-9]+', Number.Float),
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(r'\d+[eEf][+-]?[0-9]+', Number.Float),
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(r'0b[01]+(_[01]+)+', Number.Bin),
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(r'0b[01]+', Number.Bin),
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(r'0o[0-7]+(_[0-7]+)+', Number.Oct),
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(r'0o[0-7]+', Number.Oct),
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(r'0x[a-fA-F0-9]+(_[a-fA-F0-9]+)+', Number.Hex),
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(r'0x[a-fA-F0-9]+', Number.Hex),
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(r'\d+(_\d+)+', Number.Integer),
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(r'\d+', Number.Integer)
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],
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"blockcomment": [
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(r'[^=#]', Comment.Multiline),
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(r'#=', Comment.Multiline, '#push'),
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(r'=#', Comment.Multiline, '#pop'),
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(r'[=#]', Comment.Multiline),
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],
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'string': [
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(r'"', String, '#pop'),
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# FIXME: This escape pattern is not perfect.
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(r'\\([\\"\'$nrbtfav]|(x|u|U)[a-fA-F0-9]+|\d+)', String.Escape),
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# Interpolation is defined as "$" followed by the shortest full
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# expression, which is something we can't parse.
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# Include the most common cases here: $word, and $(paren'd expr).
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(r'\$' + allowed_variable, String.Interpol),
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# (r'\$[a-zA-Z_]+', String.Interpol),
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(r'(\$)(\()', bygroups(String.Interpol, Punctuation), 'in-intp'),
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|
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# @printf and @sprintf formats
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|
|
(r'%[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?[hlL]?[E-GXc-giorsux%]',
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String.Interpol),
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|
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(r'.|\s', String),
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],
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'tqstring': [
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|
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(r'"""', String, '#pop'),
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|
(r'\\([\\"\'$nrbtfav]|(x|u|U)[a-fA-F0-9]+|\d+)', String.Escape),
|
|
|
|
|
|
(r'\$' + allowed_variable, String.Interpol),
|
|
|
|
|
|
(r'(\$)(\()', bygroups(String.Interpol, Punctuation), 'in-intp'),
|
|
|
|
|
|
(r'.|\s', String),
|
|
|
|
|
|
],
|
|
|
|
|
|
|
|
|
|
|
|
'regex': [
|
|
|
|
|
|
(r'"', String.Regex, '#pop'),
|
|
|
|
|
|
(r'\\"', String.Regex),
|
|
|
|
|
|
(r'.|\s', String.Regex),
|
|
|
|
|
|
],
|
|
|
|
|
|
|
|
|
|
|
|
'tqregex': [
|
|
|
|
|
|
(r'"""', String.Regex, '#pop'),
|
|
|
|
|
|
(r'.|\s', String.Regex),
|
|
|
|
|
|
],
|
|
|
|
|
|
|
|
|
|
|
|
'command': [
|
|
|
|
|
|
(r'`', String.Backtick, '#pop'),
|
|
|
|
|
|
(r'\$' + allowed_variable, String.Interpol),
|
|
|
|
|
|
(r'(\$)(\()', bygroups(String.Interpol, Punctuation), 'in-intp'),
|
|
|
|
|
|
(r'.|\s', String.Backtick)
|
|
|
|
|
|
],
|
|
|
|
|
|
|
|
|
|
|
|
'in-intp': [
|
|
|
|
|
|
(r'\(', Punctuation, '#push'),
|
|
|
|
|
|
(r'\)', Punctuation, '#pop'),
|
|
|
|
|
|
include('root'),
|
|
|
|
|
|
]
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
def analyse_text(text):
|
|
|
|
|
|
return shebang_matches(text, r'julia')
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class JuliaConsoleLexer(Lexer):
|
|
|
|
|
|
"""
|
|
|
|
|
|
For Julia console sessions. Modeled after MatlabSessionLexer.
|
|
|
|
|
|
|
|
|
|
|
|
.. versionadded:: 1.6
|
|
|
|
|
|
"""
|
|
|
|
|
|
name = 'Julia console'
|
|
|
|
|
|
aliases = ['jlcon']
|
|
|
|
|
|
|
|
|
|
|
|
def get_tokens_unprocessed(self, text):
|
|
|
|
|
|
jllexer = JuliaLexer(**self.options)
|
|
|
|
|
|
start = 0
|
|
|
|
|
|
curcode = ''
|
|
|
|
|
|
insertions = []
|
|
|
|
|
|
output = False
|
|
|
|
|
|
error = False
|
|
|
|
|
|
|
|
|
|
|
|
for line in text.splitlines(True):
|
|
|
|
|
|
if line.startswith('julia>'):
|
|
|
|
|
|
insertions.append((len(curcode), [(0, Generic.Prompt, line[:6])]))
|
|
|
|
|
|
curcode += line[6:]
|
|
|
|
|
|
output = False
|
|
|
|
|
|
error = False
|
|
|
|
|
|
elif line.startswith('help?>') or line.startswith('shell>'):
|
|
|
|
|
|
yield start, Generic.Prompt, line[:6]
|
|
|
|
|
|
yield start + 6, Text, line[6:]
|
|
|
|
|
|
output = False
|
|
|
|
|
|
error = False
|
|
|
|
|
|
elif line.startswith(' ') and not output:
|
|
|
|
|
|
insertions.append((len(curcode), [(0, Text, line[:6])]))
|
|
|
|
|
|
curcode += line[6:]
|
|
|
|
|
|
else:
|
|
|
|
|
|
if curcode:
|
|
|
|
|
|
for item in do_insertions(
|
|
|
|
|
|
insertions, jllexer.get_tokens_unprocessed(curcode)):
|
|
|
|
|
|
yield item
|
|
|
|
|
|
curcode = ''
|
|
|
|
|
|
insertions = []
|
|
|
|
|
|
if line.startswith('ERROR: ') or error:
|
|
|
|
|
|
yield start, Generic.Error, line
|
|
|
|
|
|
error = True
|
|
|
|
|
|
else:
|
|
|
|
|
|
yield start, Generic.Output, line
|
|
|
|
|
|
output = True
|
|
|
|
|
|
start += len(line)
|
|
|
|
|
|
|
|
|
|
|
|
if curcode:
|
|
|
|
|
|
for item in do_insertions(
|
|
|
|
|
|
insertions, jllexer.get_tokens_unprocessed(curcode)):
|
|
|
|
|
|
yield item
|
