352 lines
11 KiB
Ruby
352 lines
11 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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class Praat < RegexLexer
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title "Praat"
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desc "The Praat scripting language (praat.org)"
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tag 'praat'
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filenames '*.praat', '*.proc', '*.psc'
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def self.detect?(text)
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return true if text.shebang? 'praat'
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end
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keywords = %w(
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if then else elsif elif endif fi for from to endfor endproc while
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endwhile repeat until select plus minus demo assert stopwatch
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nocheck nowarn noprogress editor endeditor clearinfo
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)
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functions_string = %w(
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backslashTrigraphsToUnicode chooseDirectory chooseReadFile
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chooseWriteFile date demoKey do environment extractLine extractWord
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fixed info left mid percent readFile replace replace_regex right
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selected string unicodeToBackslashTrigraphs
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)
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functions_numeric = %w(
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abs appendFile appendFileLine appendInfo appendInfoLine arccos arccosh
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arcsin arcsinh arctan arctan2 arctanh barkToHertz beginPause
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beginSendPraat besselI besselK beta beta2 binomialP binomialQ boolean
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ceiling chiSquareP chiSquareQ choice comment cos cosh createDirectory
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deleteFile demoClicked demoClickedIn demoCommandKeyPressed
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demoExtraControlKeyPressed demoInput demoKeyPressed
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demoOptionKeyPressed demoShiftKeyPressed demoShow demoWaitForInput
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demoWindowTitle demoX demoY differenceLimensToPhon do editor endPause
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endSendPraat endsWith erb erbToHertz erf erfc exitScript exp
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extractNumber fileReadable fisherP fisherQ floor gaussP gaussQ hash
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hertzToBark hertzToErb hertzToMel hertzToSemitones imax imin
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incompleteBeta incompleteGammaP index index_regex integer invBinomialP
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invBinomialQ invChiSquareQ invFisherQ invGaussQ invSigmoid invStudentQ
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length ln lnBeta lnGamma log10 log2 max melToHertz min minusObject
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natural number numberOfColumns numberOfRows numberOfSelected
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objectsAreIdentical option optionMenu pauseScript
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phonToDifferenceLimens plusObject positive randomBinomial randomGauss
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randomInteger randomPoisson randomUniform real readFile removeObject
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rindex rindex_regex round runScript runSystem runSystem_nocheck
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selectObject selected semitonesToHertz sentence sentencetext sigmoid
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sin sinc sincpi sinh soundPressureToPhon sqrt startsWith studentP
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studentQ tan tanh text variableExists word writeFile writeFileLine
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writeInfo writeInfoLine
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)
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functions_array = %w(
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linear randomGauss randomInteger randomUniform zero
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)
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objects = %w(
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Activation AffineTransform AmplitudeTier Art Artword Autosegment
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BarkFilter BarkSpectrogram CCA Categories Cepstrogram Cepstrum
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Cepstrumc ChebyshevSeries ClassificationTable Cochleagram Collection
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ComplexSpectrogram Configuration Confusion ContingencyTable Corpus
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Correlation Covariance CrossCorrelationTable CrossCorrelationTableList
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CrossCorrelationTables DTW DataModeler Diagonalizer Discriminant
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Dissimilarity Distance Distributions DurationTier EEG ERP ERPTier
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EditCostsTable EditDistanceTable Eigen Excitation Excitations
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ExperimentMFC FFNet FeatureWeights FileInMemory FilesInMemory Formant
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FormantFilter FormantGrid FormantModeler FormantPoint FormantTier
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GaussianMixture HMM HMM_Observation HMM_ObservationSequence HMM_State
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HMM_StateSequence HMMObservation HMMObservationSequence HMMState
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HMMStateSequence Harmonicity ISpline Index Intensity IntensityTier
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IntervalTier KNN KlattGrid KlattTable LFCC LPC Label LegendreSeries
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LinearRegression LogisticRegression LongSound Ltas MFCC MSpline ManPages
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Manipulation Matrix MelFilter MelSpectrogram MixingMatrix Movie Network
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OTGrammar OTHistory OTMulti PCA PairDistribution ParamCurve Pattern
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Permutation Photo Pitch PitchModeler PitchTier PointProcess Polygon
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Polynomial PowerCepstrogram PowerCepstrum Procrustes RealPoint RealTier
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ResultsMFC Roots SPINET SSCP SVD Salience ScalarProduct Similarity
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SimpleString SortedSetOfString Sound Speaker Spectrogram Spectrum
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SpectrumTier SpeechSynthesizer SpellingChecker Strings StringsIndex
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Table TableOfReal TextGrid TextInterval TextPoint TextTier Tier
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Transition VocalTract VocalTractTier Weight WordList
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)
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variables_numeric = %w(
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all average e left macintosh mono pi praatVersion right stereo
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undefined unix windows
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)
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variables_string = %w(
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praatVersion tab shellDirectory homeDirectory
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preferencesDirectory newline temporaryDirectory
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defaultDirectory
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)
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object_attributes = %w(
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ncol nrow xmin ymin xmax ymax nx ny dx dy
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)
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state :root do
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rule %r/(\s+)(#.*?$)/ do
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groups Text, Comment::Single
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end
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rule %r/^#.*?$/, Comment::Single
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rule %r/;[^\n]*/, Comment::Single
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rule %r/\s+/, Text
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rule %r/(\bprocedure)(\s+)/ do
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groups Keyword, Text
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push :procedure_definition
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end
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rule %r/(\bcall)(\s+)/ do
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groups Keyword, Text
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push :procedure_call
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end
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rule %r/@/, Name::Function, :procedure_call
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mixin :function_call
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rule %r/\b(?:select all)\b/, Keyword
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rule %r/\b(?:#{keywords.join('|')})\b/, Keyword
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rule %r/(\bform\b)(\s+)([^\n]+)/ do
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groups Keyword, Text, Literal::String
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push :old_form
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end
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rule %r/(print(?:line|tab)?|echo|exit|asserterror|pause|send(?:praat|socket)|include|execute|system(?:_nocheck)?)(\s+)/ do
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groups Keyword, Text
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push :string_unquoted
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end
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rule %r/(goto|label)(\s+)(\w+)/ do
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groups Keyword, Text, Name::Label
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end
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mixin :variable_name
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mixin :number
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rule %r/"/, Literal::String, :string
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rule %r/\b(?:#{objects.join('|')})(?=\s+\S+\n)/, Name::Class, :string_unquoted
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rule %r/\b(?=[A-Z])/, Text, :command
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rule %r/(\.{3}|[)(,\$])/, Punctuation
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end
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state :command do
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rule %r/( ?([^\s:\.'])+ ?)/, Keyword
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mixin :string_interpolated
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rule %r/\.{3}/ do
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token Keyword
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pop!
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push :old_arguments
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end
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rule %r/:/ do
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token Keyword
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pop!
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push :comma_list
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end
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rule %r/[\s]/, Text, :pop!
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end
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state :procedure_call do
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mixin :string_interpolated
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rule %r/(:|\s*\()/, Punctuation, :pop!
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rule %r/'/, Name::Function
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rule %r/[^:\('\s]+/, Name::Function
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rule %r/(?=\s+)/ do
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token Text
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pop!
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push :old_arguments
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end
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end
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state :procedure_definition do
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rule %r/(:|\s*\()/, Punctuation, :pop!
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rule %r/[^:\(\s]+/, Name::Function
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rule %r/(\s+)/, Text, :pop!
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end
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state :function_call do
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rule %r/\b(#{functions_string.join('|')})\$(?=\s*[:(])/, Name::Function, :function
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rule %r/\b(#{functions_array.join('|')})#(?=\s*[:(])/, Name::Function, :function
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rule %r/\b(#{functions_numeric.join('|')})(?=\s*[:(])/, Name::Function, :function
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end
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state :function do
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rule %r/\s+/, Text
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rule %r/(?::|\s*\()/ do
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token Text
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pop!
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push :comma_list
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end
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end
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state :comma_list do
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rule %r/(\s*\n\s*)(\.{3})/ do
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groups Text, Punctuation
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end
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rule %r/\s*[\])\n]/, Text, :pop!
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rule %r/\s+/, Text
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rule %r/"/, Literal::String, :string
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rule %r/\b(if|then|else|fi|endif)\b/, Keyword
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mixin :function_call
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mixin :variable_name
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mixin :operator
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mixin :number
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rule %r/[()]/, Text
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rule %r/,/, Punctuation
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end
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state :old_arguments do
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rule %r/\n/, Text, :pop!
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mixin :variable_name
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mixin :operator
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mixin :number
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rule %r/"/, Literal::String, :string
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rule %r/[^\n]/, Text
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end
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state :number do
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rule %r/\n/, Text, :pop!
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rule %r/\b\d+(\.\d*)?([eE][-+]?\d+)?%?/, Literal::Number
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end
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state :variable_name do
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mixin :operator
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mixin :number
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rule %r/\b(?:#{variables_string.join('|')})\$/, Name::Builtin
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rule %r/\b(?:#{variables_numeric.join('|')})(?!\$)\b/, Name::Builtin
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rule %r/\b(Object|#{objects.join('|')})_/ do
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token Name::Builtin
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push :object_reference
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end
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rule %r/\.?[a-z][a-zA-Z0-9_.]*(\$|#)?/, Text
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rule %r/[\[\]]/, Text, :comma_list
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mixin :string_interpolated
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end
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state :object_reference do
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mixin :string_interpolated
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rule %r/([a-z][a-zA-Z0-9_]*|\d+)/, Name::Builtin
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rule %r/\.(#{object_attributes.join('|')})\b/, Name::Builtin, :pop!
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rule %r/\$/, Name::Builtin
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rule %r/\[/, Text, :pop!
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end
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state :operator do
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# This rule incorrectly matches === or +++++, which are not operators
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rule %r/([+\/*<>=!-]=?|[&*|][&*|]?|\^|<>)/, Operator
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rule %r/(?<![\w.])(and|or|not|div|mod)(?![\w.])/, Operator::Word
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end
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state :string_interpolated do
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rule %r/'[\._a-z][^\[\]'":]*(\[([\d,]+|"[\w,]+")\])?(:[0-9]+)?'/, Literal::String::Interpol
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end
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state :string_unquoted do
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rule %r/\n\s*\.{3}/, Punctuation
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rule %r/\n/, Text, :pop!
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rule %r/\s/, Text
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mixin :string_interpolated
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rule %r/'/, Literal::String
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rule %r/[^'\n]+/, Literal::String
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end
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state :string do
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rule %r/\n\s*\.{3}/, Punctuation
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rule %r/"/, Literal::String, :pop!
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mixin :string_interpolated
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rule %r/'/, Literal::String
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rule %r/[^'"\n]+/, Literal::String
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end
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state :old_form do
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rule %r/(\s+)(#.*?$)/ do
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groups Text, Comment::Single
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end
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rule %r/\s+/, Text
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rule %r/(optionmenu|choice)([ \t]+\S+:[ \t]+)/ do
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groups Keyword, Text
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push :number
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end
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rule %r/(option|button)([ \t]+)/ do
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groups Keyword, Text
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push :string_unquoted
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end
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rule %r/(sentence|text)([ \t]+\S+)/ do
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groups Keyword, Text
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push :string_unquoted
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end
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rule %r/(word)([ \t]+\S+[ \t]*)(\S+)?([ \t]+.*)?/ do
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groups Keyword, Text, Literal::String, Text
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end
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rule %r/(boolean)(\s+\S+\s*)(0|1|"?(?:yes|no)"?)/ do
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groups Keyword, Text, Name::Variable
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end
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rule %r/(real|natural|positive|integer)([ \t]+\S+[ \t]*)([+-]?)/ do
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groups Keyword, Text, Operator
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push :number
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end
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rule %r/(comment)(\s+)/ do
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groups Keyword, Text
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push :string_unquoted
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end
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rule %r/\bendform\b/, Keyword, :pop!
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end
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end
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end
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end
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