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303 lines
12 KiB
303 lines
12 KiB
2 weeks ago
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# -*- coding: utf-8 -*-
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"""
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pygments.lexers.praat
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~~~~~~~~~~~~~~~~~~~~~
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Lexer for Praat
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:copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, words, bygroups, include
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from pygments.token import Name, Text, Comment, Keyword, String, Punctuation, Number, \
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Operator
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__all__ = ['PraatLexer']
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class PraatLexer(RegexLexer):
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"""
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For `Praat <http://www.praat.org>`_ scripts.
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.. versionadded:: 2.1
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"""
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name = 'Praat'
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aliases = ['praat']
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filenames = ['*.praat', '*.proc', '*.psc']
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keywords = (
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'if', 'then', 'else', 'elsif', 'elif', 'endif', 'fi', 'for', 'from', 'to',
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'endfor', 'endproc', 'while', 'endwhile', 'repeat', 'until', 'select', 'plus',
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'minus', 'demo', 'assert', 'stopwatch', 'nocheck', 'nowarn', 'noprogress',
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'editor', 'endeditor', 'clearinfo',
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)
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functions_string = (
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'backslashTrigraphsToUnicode', 'chooseDirectory', 'chooseReadFile',
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'chooseWriteFile', 'date', 'demoKey', 'do', 'environment', 'extractLine',
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'extractWord', 'fixed', 'info', 'left', 'mid', 'percent', 'readFile', 'replace',
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'replace_regex', 'right', 'selected', 'string', 'unicodeToBackslashTrigraphs',
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)
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functions_numeric = (
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'abs', 'appendFile', 'appendFileLine', 'appendInfo', 'appendInfoLine', 'arccos',
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'arccosh', 'arcsin', 'arcsinh', 'arctan', 'arctan2', 'arctanh', 'barkToHertz',
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'beginPause', 'beginSendPraat', 'besselI', 'besselK', 'beta', 'beta2',
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'binomialP', 'binomialQ', 'boolean', 'ceiling', 'chiSquareP', 'chiSquareQ',
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'choice', 'comment', 'cos', 'cosh', 'createDirectory', 'deleteFile',
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'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',
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'endPause', 'endSendPraat', 'endsWith', 'erb', 'erbToHertz', 'erf', 'erfc',
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'exitScript', 'exp', 'extractNumber', 'fileReadable', 'fisherP', 'fisherQ',
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'floor', 'gaussP', 'gaussQ', 'hertzToBark', 'hertzToErb', 'hertzToMel',
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'hertzToSemitones', 'imax', 'imin', 'incompleteBeta', 'incompleteGammaP', 'index',
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'index_regex', 'integer', 'invBinomialP', 'invBinomialQ', 'invChiSquareQ', 'invFisherQ',
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'invGaussQ', 'invSigmoid', 'invStudentQ', 'length', 'ln', 'lnBeta', 'lnGamma',
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'log10', 'log2', 'max', 'melToHertz', 'min', 'minusObject', 'natural', 'number',
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'numberOfColumns', 'numberOfRows', 'numberOfSelected', 'objectsAreIdentical',
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'option', 'optionMenu', 'pauseScript', 'phonToDifferenceLimens', 'plusObject',
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'positive', 'randomBinomial', 'randomGauss', 'randomInteger', 'randomPoisson',
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'randomUniform', 'real', 'readFile', 'removeObject', 'rindex', 'rindex_regex',
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'round', 'runScript', 'runSystem', 'runSystem_nocheck', 'selectObject',
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'selected', 'semitonesToHertz', 'sentence', 'sentencetext', 'sigmoid', 'sin', 'sinc',
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'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 = (
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'linear', 'randomGauss', 'randomInteger', 'randomUniform', 'zero',
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)
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objects = (
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'Activation', 'AffineTransform', 'AmplitudeTier', 'Art', 'Artword',
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'Autosegment', 'BarkFilter', 'BarkSpectrogram', 'CCA', 'Categories',
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'Cepstrogram', 'Cepstrum', 'Cepstrumc', 'ChebyshevSeries', 'ClassificationTable',
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'Cochleagram', 'Collection', 'ComplexSpectrogram', 'Configuration', 'Confusion',
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'ContingencyTable', 'Corpus', 'Correlation', 'Covariance',
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'CrossCorrelationTable', 'CrossCorrelationTables', 'DTW', 'DataModeler',
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'Diagonalizer', 'Discriminant', 'Dissimilarity', 'Distance', 'Distributions',
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'DurationTier', 'EEG', 'ERP', 'ERPTier', 'EditCostsTable', 'EditDistanceTable',
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'Eigen', 'Excitation', 'Excitations', 'ExperimentMFC', 'FFNet', 'FeatureWeights',
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'FileInMemory', 'FilesInMemory', 'Formant', 'FormantFilter', 'FormantGrid',
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'FormantModeler', 'FormantPoint', 'FormantTier', 'GaussianMixture', 'HMM',
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'HMM_Observation', 'HMM_ObservationSequence', 'HMM_State', 'HMM_StateSequence',
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'Harmonicity', 'ISpline', 'Index', 'Intensity', 'IntensityTier', 'IntervalTier',
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'KNN', 'KlattGrid', 'KlattTable', 'LFCC', 'LPC', 'Label', 'LegendreSeries',
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'LinearRegression', 'LogisticRegression', 'LongSound', 'Ltas', 'MFCC', 'MSpline',
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'ManPages', 'Manipulation', 'Matrix', 'MelFilter', 'MelSpectrogram',
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'MixingMatrix', 'Movie', 'Network', 'Object', 'OTGrammar', 'OTHistory', 'OTMulti',
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'PCA', 'PairDistribution', 'ParamCurve', 'Pattern', 'Permutation', 'Photo',
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'Pitch', 'PitchModeler', 'PitchTier', 'PointProcess', 'Polygon', 'Polynomial',
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'PowerCepstrogram', 'PowerCepstrum', 'Procrustes', 'RealPoint', 'RealTier',
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'ResultsMFC', 'Roots', 'SPINET', 'SSCP', 'SVD', 'Salience', 'ScalarProduct',
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'Similarity', 'SimpleString', 'SortedSetOfString', 'Sound', 'Speaker',
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'Spectrogram', 'Spectrum', 'SpectrumTier', 'SpeechSynthesizer', 'SpellingChecker',
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'Strings', 'StringsIndex', 'Table', 'TableOfReal', 'TextGrid', 'TextInterval',
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'TextPoint', 'TextTier', 'Tier', 'Transition', 'VocalTract', 'VocalTractTier',
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'Weight', 'WordList',
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)
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variables_numeric = (
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'macintosh', 'windows', 'unix', 'praatVersion', 'pi', 'e', 'undefined',
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)
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variables_string = (
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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 = (
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'ncol', 'nrow', 'xmin', 'ymin', 'xmax', 'ymax', 'nx', 'ny', 'dx', 'dy',
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)
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tokens = {
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'root': [
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(r'(\s+)(#.*?$)', bygroups(Text, Comment.Single)),
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(r'^#.*?$', Comment.Single),
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(r';[^\n]*', Comment.Single),
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(r'\s+', Text),
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(r'\bprocedure\b', Keyword, 'procedure_definition'),
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(r'\bcall\b', Keyword, 'procedure_call'),
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(r'@', Name.Function, 'procedure_call'),
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include('function_call'),
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(words(keywords, suffix=r'\b'), Keyword),
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(r'(\bform\b)(\s+)([^\n]+)',
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bygroups(Keyword, Text, String), 'old_form'),
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(r'(print(?:line|tab)?|echo|exit|asserterror|pause|send(?:praat|socket)|'
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r'include|execute|system(?:_nocheck)?)(\s+)',
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bygroups(Keyword, Text), 'string_unquoted'),
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(r'(goto|label)(\s+)(\w+)', bygroups(Keyword, Text, Name.Label)),
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include('variable_name'),
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include('number'),
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(r'"', String, 'string'),
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(words((objects), suffix=r'(?=\s+\S+\n)'), Name.Class, 'string_unquoted'),
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(r'\b[A-Z]', Keyword, 'command'),
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(r'(\.{3}|[)(,])', Punctuation),
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],
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'command': [
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(r'( ?[\w()-]+ ?)', Keyword),
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include('string_interpolated'),
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(r'\.{3}', Keyword, ('#pop', 'old_arguments')),
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(r':', Keyword, ('#pop', 'comma_list')),
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(r'\s', Text, '#pop'),
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],
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'procedure_call': [
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(r'\s+', Text),
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(r'([\w.]+)(:|\s*\()',
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bygroups(Name.Function, Text), '#pop'),
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(r'([\w.]+)', Name.Function, ('#pop', 'old_arguments')),
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],
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'procedure_definition': [
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(r'\s', Text),
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(r'([\w.]+)(\s*?[(:])',
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bygroups(Name.Function, Text), '#pop'),
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(r'([\w.]+)([^\n]*)',
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bygroups(Name.Function, Text), '#pop'),
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],
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'function_call': [
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(words(functions_string, suffix=r'\$(?=\s*[:(])'), Name.Function, 'function'),
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(words(functions_array, suffix=r'#(?=\s*[:(])'), Name.Function, 'function'),
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(words(functions_numeric, suffix=r'(?=\s*[:(])'), Name.Function, 'function'),
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],
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'function': [
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(r'\s+', Text),
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(r':', Punctuation, ('#pop', 'comma_list')),
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(r'\s*\(', Punctuation, ('#pop', 'comma_list')),
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],
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'comma_list': [
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(r'(\s*\n\s*)(\.{3})', bygroups(Text, Punctuation)),
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(r'(\s*[])\n])', Text, '#pop'),
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(r'\s+', Text),
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(r'"', String, 'string'),
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(r'\b(if|then|else|fi|endif)\b', Keyword),
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include('function_call'),
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include('variable_name'),
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include('operator'),
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include('number'),
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(r'[()]', Text),
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(r',', Punctuation),
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],
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'old_arguments': [
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(r'\n', Text, '#pop'),
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include('variable_name'),
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include('operator'),
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include('number'),
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(r'"', String, 'string'),
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(r'[^\n]', Text),
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],
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'number': [
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(r'\n', Text, '#pop'),
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(r'\b\d+(\.\d*)?([eE][-+]?\d+)?%?', Number),
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],
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'object_reference': [
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include('string_interpolated'),
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(r'([a-z][a-zA-Z0-9_]*|\d+)', Name.Builtin),
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(words(object_attributes, prefix=r'\.'), Name.Builtin, '#pop'),
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(r'\$', Name.Builtin),
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(r'\[', Text, '#pop'),
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],
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'variable_name': [
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include('operator'),
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include('number'),
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(words(variables_string, suffix=r'\$'), Name.Variable.Global),
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(words(variables_numeric,
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suffix=r'(?=[^a-zA-Z0-9\._"\'\$#\[:\(]|\s|^|$)'),
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Name.Variable.Global),
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(words(objects, prefix=r'\b', suffix=r"(_)"),
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bygroups(Name.Builtin, Name.Builtin),
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'object_reference'),
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(r'\.?_?[a-z][\w.]*(\$|#)?', Text),
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(r'[\[\]]', Punctuation, 'comma_list'),
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include('string_interpolated'),
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],
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'operator': [
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(r'([+\/*<>=!-]=?|[&*|][&*|]?|\^|<>)', Operator),
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(r'(?<![\w.])(and|or|not|div|mod)(?![\w.])', Operator.Word),
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],
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'string_interpolated': [
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(r'\'[_a-z][^\[\]\'":]*(\[([\d,]+|"[\w\d,]+")\])?(:[0-9]+)?\'',
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String.Interpol),
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],
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'string_unquoted': [
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(r'(\n\s*)(\.{3})', bygroups(Text, Punctuation)),
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(r'\n', Text, '#pop'),
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(r'\s', Text),
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include('string_interpolated'),
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(r"'", String),
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(r"[^'\n]+", String),
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],
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'string': [
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(r'(\n\s*)(\.{3})', bygroups(Text, Punctuation)),
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(r'"', String, '#pop'),
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include('string_interpolated'),
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(r"'", String),
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(r'[^\'"\n]+', String),
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],
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'old_form': [
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(r'(\s+)(#.*?$)', bygroups(Text, Comment.Single)),
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(r'\s+', Text),
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(r'(optionmenu|choice)([ \t]+\S+:[ \t]+)',
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bygroups(Keyword, Text), 'number'),
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(r'(option|button)([ \t]+)',
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bygroups(Keyword, Text), 'string_unquoted'),
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(r'(sentence|text)([ \t]+\S+)',
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bygroups(Keyword, Text), 'string_unquoted'),
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(r'(word)([ \t]+\S+[ \t]*)(\S+)?([ \t]+.*)?',
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bygroups(Keyword, Text, String, Text)),
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(r'(boolean)(\s+\S+\s*)(0|1|"?(?:yes|no)"?)',
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bygroups(Keyword, Text, Name.Variable)),
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# Ideally processing of the number would happend in the 'number'
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# but that doesn't seem to work
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(r'(real|natural|positive|integer)([ \t]+\S+[ \t]*)([+-]?)(\d+(?:\.\d*)?'
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r'(?:[eE][-+]?\d+)?%?)',
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bygroups(Keyword, Text, Operator, Number)),
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(r'(comment)(\s+)',
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bygroups(Keyword, Text), 'string_unquoted'),
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(r'\bendform\b', Keyword, '#pop'),
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]
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}
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