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|
# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Julia < RegexLexer
title "Julia"
desc "The Julia programming language"
tag 'julia'
aliases 'jl'
filenames '*.jl'
mimetypes 'text/x-julia', 'application/x-julia'
# Documentation: https://docs.julialang.org/en/v1/manual/variables/#Allowed-Variable-Names-1
def self.detect?(text)
return true if text.shebang? 'julia'
end
BUILTINS = /\b(?:
true | false | missing | nothing
| Inf | Inf16 | Inf32 | Inf64
| NaN | NaN16 | NaN32 | NaN64
| stdout | stderr | stdin | devnull
| pi | π | ℯ | im
| ARGS | C_NULL | ENV | ENDIAN_BOM
| VERSION | undef | (LOAD|DEPOT)_PATH
)\b/x
KEYWORDS = /\b(?:
function | return | module | import | export
| if | else | elseif | end | for
| in | isa | while | try | catch
| const | local | global | using | struct
| mutable struct | abstract type | finally
| begin | do | quote | macro | for outer
| where
)\b/x
# NOTE: The list of types was generated automatically using the following script:
# using Pkg, InteractiveUtils
#
# allnames = [names(Core); names(Base, imported=true)]
#
# for stdlib in readdir(Pkg.Types.stdlib_dir())
# mod = Symbol(basename(stdlib))
# @eval begin
# using $mod
# append!(allnames, names($mod))
# end
# end
#
# sort!(unique!(allnames))
#
# i = 1
# for sym in allnames
# global i # needed at the top level, e.g. in the REPL
# isdefined(Main, sym) || continue
# getfield(which(Main, sym), sym) isa Type || continue
# sym === :(=>) && continue # Actually an alias for Pair
# print("| ", sym)
# i % 3 == 0 ? println() : print(" ") # print 3 to a line
# i += 1
# end
TYPES = /\b(?:
ARPACKException | AbstractArray | AbstractChannel
| AbstractChar | AbstractDict | AbstractDisplay
| AbstractFloat | AbstractIrrational | AbstractLogger
| AbstractMatrix | AbstractREPL | AbstractRNG
| AbstractRange | AbstractSerializer | AbstractSet
| AbstractSparseArray | AbstractSparseMatrix | AbstractSparseVector
| AbstractString | AbstractUnitRange | AbstractVecOrMat
| AbstractVector | AbstractWorkerPool | Adjoint
| Any | ArgumentError | Array
| AssertionError | Base64DecodePipe | Base64EncodePipe
| BasicREPL | Bidiagonal | BigFloat
| BigInt | BitArray | BitMatrix
| BitSet | BitVector | Bool
| BoundsError | BunchKaufman | CachingPool
| CapturedException | CartesianIndex | CartesianIndices
| Cchar | Cdouble | Cfloat
| Channel | Char | Cholesky
| CholeskyPivoted | Cint | Cintmax_t
| Clong | Clonglong | ClusterManager
| Cmd | Colon | Complex
| ComplexF16 | ComplexF32 | ComplexF64
| CompositeException | Condition | ConsoleLogger
| Cptrdiff_t | Cshort | Csize_t
| Cssize_t | Cstring | Cuchar
| Cuint | Cuintmax_t | Culong
| Culonglong | Cushort | Cvoid
| Cwchar_t | Cwstring | DataType
| Date | DateFormat | DatePeriod
| DateTime | Day | DenseArray
| DenseMatrix | DenseVecOrMat | DenseVector
| Diagonal | Dict | DimensionMismatch
| Dims | DivideError | DomainError
| EOFError | Eigen | Enum
| ErrorException | Exception | ExponentialBackOff
| Expr | FDWatcher | Factorization
| FileMonitor | Float16 | Float32
| Float64 | FolderMonitor | Function
| GeneralizedEigen | GeneralizedSVD | GeneralizedSchur
| GenericArray | GenericDict | GenericSet
| GenericString | GitConfig | GitRepo
| GlobalRef | HMAC_CTX | HTML
| Hermitian | Hessenberg | Hour
| IO | IOBuffer | IOContext
| IOStream | IPAddr | IPv4
| IPv6 | IdDict | IndexCartesian
| IndexLinear | IndexStyle | InexactError
| InitError | Int | Int128
| Int16 | Int32 | Int64
| Int8 | Integer | InterruptException
| InvalidStateException | Irrational | KeyError
| LAPACKException | LDLt | LQ
| LU | LinRange | LineEditREPL
| LineNumberNode | LinearIndices | LoadError
| LogLevel | LowerTriangular | MIME
| Matrix | MersenneTwister | Method
| MethodError | Microsecond | Millisecond
| Minute | Missing | MissingException
| Module | Month | NTuple
| NamedTuple | Nanosecond | Nothing
| NullLogger | Number | OrdinalRange
| OutOfMemoryError | OverflowError | PackageMode
| PackageSpec | Pair | PartialQuickSort
| Period | PermutedDimsArray | Pipe
| PollingFileWatcher | PosDefException | ProcessExitedException
| Ptr | QR | QRPivoted
| QuoteNode | RandomDevice | RankDeficientException
| Rational | RawFD | ReadOnlyMemoryError
| Real | ReentrantLock | Ref
| Regex | RegexMatch | RemoteChannel
| RemoteException | RoundingMode | SHA1_CTX
| SHA224_CTX | SHA256_CTX | SHA2_224_CTX
| SHA2_256_CTX | SHA2_384_CTX | SHA2_512_CTX
| SHA384_CTX | SHA3_224_CTX | SHA3_256_CTX
| SHA3_384_CTX | SHA3_512_CTX | SHA512_CTX
| SVD | Schur | Second
| SegmentationFault | Serializer | Set
| SharedArray | SharedMatrix | SharedVector
| Signed | SimpleLogger | SingularException
| Some | SparseMatrixCSC | SparseVector
| StackOverflowError | StepRange | StepRangeLen
| StreamREPL | StridedArray | StridedMatrix
| StridedVecOrMat | StridedVector | String
| StringIndexError | SubArray | SubString
| SubstitutionString | SymTridiagonal | Symbol
| Symmetric | SystemError | TCPSocket
| Task | TestSetException | Text
| TextDisplay | Time | TimePeriod
| TimeType | TimeZone | Timer
| Transpose | Tridiagonal | Tuple
| Type | TypeError | TypeVar
| UDPSocket | UInt | UInt128
| UInt16 | UInt32 | UInt64
| UInt8 | UTC | UUID
| UndefInitializer | UndefKeywordError | UndefRefError
| UndefVarError | UniformScaling | Union
| UnionAll | UnitLowerTriangular | UnitRange
| UnitUpperTriangular | Unsigned | UpgradeLevel
| UpperTriangular | Val | Vararg
| VecElement | VecOrMat | Vector
| VersionNumber | WeakKeyDict | WeakRef
| Week | WorkerConfig | WorkerPool
| Year
)\b/x
OPERATORS = / \+ | = | - | \* | \/
| \\ | & | \| | \$ | ~
| \^ | % | ! | >>> | >>
| << | && | \|\| | \+= | -=
| \*= | \/= | \\= | ÷= | %=
| \^= | &= | \|= | \$= | >>>=
| >>= | <<= | == | != | ≠
| <= | ≤ | >= | ≥ | \.
| :: | <: | -> | \? | \.\*
| \.\^ | \.\\ | \.\/ | \\ | <
| > | ÷ | >: | : | ===
| !== | =>
/x
PUNCTUATION = /[\[\]{}\(\),;]/
state :root do
rule %r/\n/, Text
rule %r/[^\S\n]+/, Text
rule %r/#=/, Comment::Multiline, :blockcomment
rule %r/#.*$/, Comment
rule OPERATORS, Operator
rule %r/\\\n/, Text
rule %r/\\/, Text
# functions and macros
rule %r/(function|macro)((?:\s|\\\s)+)/ do
groups Keyword, Name::Function
push :funcname
end
# types
rule %r/((?:mutable )?struct|(?:abstract|primitive) type)((?:\s|\\\s)+)/ do
groups Keyword, Name::Class
push :typename
end
rule TYPES, Keyword::Type
# keywords
rule %r/(local|global|const)\b/, Keyword::Declaration
rule KEYWORDS, Keyword
# TODO: end is a builtin when inside of an indexing expression
rule BUILTINS, Name::Builtin
# TODO: symbols
# backticks
rule %r/`.*?`/, Literal::String::Backtick
# chars
rule %r/'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,3}|\\u[a-fA-F0-9]{1,4}|\\U[a-fA-F0-9]{1,6}|[^\\\'\n])'/, Literal::String::Char
# try to match trailing transpose
rule %r/(?<=[.\w)\]])\'+/, Operator
# strings
# TODO: triple quoted string literals
# TODO: Detect string interpolation
rule %r/(?:[IL])"/, Literal::String, :string
rule %r/[E]?"/, Literal::String, :string
# names
rule %r/@[\w.]+/, Name::Decorator
rule %r/(?:[a-zA-Z_\u00A1-\uffff]|[\u1000-\u10ff])(?:[a-zA-Z_0-9\u00A1-\uffff]|[\u1000-\u10ff])*!*/, Name
rule PUNCTUATION, Other
# numbers
rule %r/(\d+(_\d+)+\.\d*|\d*\.\d+(_\d+)+)([eEf][+-]?[0-9]+)?/, Literal::Number::Float
rule %r/(\d+\.\d*|\d*\.\d+)([eEf][+-]?[0-9]+)?/, Literal::Number::Float
rule %r/\d+(_\d+)+[eEf][+-]?[0-9]+/, Literal::Number::Float
rule %r/\d+[eEf][+-]?[0-9]+/, Literal::Number::Float
rule %r/0b[01]+(_[01]+)+/, Literal::Number::Bin
rule %r/0b[01]+/, Literal::Number::Bin
rule %r/0o[0-7]+(_[0-7]+)+/, Literal::Number::Oct
rule %r/0o[0-7]+/, Literal::Number::Oct
rule %r/0x[a-fA-F0-9]+(_[a-fA-F0-9]+)+/, Literal::Number::Hex
rule %r/0x[a-fA-F0-9]+/, Literal::Number::Hex
rule %r/\d+(_\d+)+/, Literal::Number::Integer
rule %r/\d+/, Literal::Number::Integer
end
NAME_RE = %r/[\p{L}\p{Nl}\p{S}_][\p{Word}\p{S}\p{Po}!]*/
state :funcname do
rule NAME_RE, Name::Function, :pop!
rule %r/\([^\s\w{]{1,2}\)/, Operator, :pop!
rule %r/[^\s\w{]{1,2}/, Operator, :pop!
end
state :typename do
rule NAME_RE, Name::Class, :pop!
end
state :stringescape do
rule %r/\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})/,
Literal::String::Escape
end
state :blockcomment do
rule %r/[^=#]/, Comment::Multiline
rule %r/#=/, Comment::Multiline, :blockcomment
rule %r/\=#/, Comment::Multiline, :pop!
rule %r/[=#]/, Comment::Multiline
end
state :string do
mixin :stringescape
rule %r/"/, Literal::String, :pop!
rule %r/\\\\|\\"|\\\n/, Literal::String::Escape # included here for raw strings
rule %r/\$(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?/, Literal::String::Interpol
rule %r/[^\\"$]+/, Literal::String
# quotes, dollar signs, and backslashes must be parsed one at a time
rule %r/["\\]/, Literal::String
# unhandled string formatting sign
rule %r/\$/, Literal::String
end
end
end
end
|
