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praat.py
""" pygments.lexers.praat ~~~~~~~~~~~~~~~~~~~~~ Lexer for Praat :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details. """ from pygments.lexer import RegexLexer, words, bygroups, include from pygments.token import Name, Text, Comment, Keyword, String, Punctuation, \ Number, Operator, Whitespace __all__ = ['PraatLexer'] class PraatLexer(RegexLexer): """ For Praat scripts. .. versionadded:: 2.1 """ name = 'Praat' url = 'http://www.praat.org' aliases = ['praat'] filenames = ['*.praat', '*.proc', '*.psc'] keywords = ( 'if', 'then', 'else', 'elsif', 'elif', 'endif', 'fi', 'for', 'from', 'to', 'endfor', 'endproc', 'while', 'endwhile', 'repeat', 'until', 'select', 'plus', 'minus', 'demo', 'assert', 'stopwatch', 'nocheck', 'nowarn', 'noprogress', 'editor', 'endeditor', 'clearinfo', ) functions_string = ( 'backslashTrigraphsToUnicode', 'chooseDirectory', 'chooseReadFile', 'chooseWriteFile', 'date', 'demoKey', 'do', 'environment', 'extractLine', 'extractWord', 'fixed', 'info', 'left', 'mid', 'percent', 'readFile', 'replace', 'replace_regex', 'right', 'selected', 'string', 'unicodeToBackslashTrigraphs', ) functions_numeric = ( 'abs', 'appendFile', 'appendFileLine', 'appendInfo', 'appendInfoLine', 'arccos', 'arccosh', 'arcsin', 'arcsinh', 'arctan', 'arctan2', 'arctanh', 'barkToHertz', 'beginPause', 'beginSendPraat', 'besselI', 'besselK', 'beta', 'beta2', 'binomialP', 'binomialQ', 'boolean', 'ceiling', 'chiSquareP', 'chiSquareQ', 'choice', 'comment', 'cos', 'cosh', 'createDirectory', 'deleteFile', 'demoClicked', 'demoClickedIn', 'demoCommandKeyPressed', 'demoExtraControlKeyPressed', 'demoInput', 'demoKeyPressed', 'demoOptionKeyPressed', 'demoShiftKeyPressed', 'demoShow', 'demoWaitForInput', 'demoWindowTitle', 'demoX', 'demoY', 'differenceLimensToPhon', 'do', 'editor', 'endPause', 'endSendPraat', 'endsWith', 'erb', 'erbToHertz', 'erf', 'erfc', 'exitScript', 'exp', 'extractNumber', 'fileReadable', 'fisherP', 'fisherQ', 'floor', 'gaussP', 'gaussQ', 'hertzToBark', 'hertzToErb', 'hertzToMel', 'hertzToSemitones', 'imax', 'imin', 'incompleteBeta', 'incompleteGammaP', 'index', 'index_regex', 'integer', 'invBinomialP', 'invBinomialQ', 'invChiSquareQ', 'invFisherQ', 'invGaussQ', 'invSigmoid', 'invStudentQ', 'length', 'ln', 'lnBeta', 'lnGamma', 'log10', 'log2', 'max', 'melToHertz', 'min', 'minusObject', 'natural', 'number', 'numberOfColumns', 'numberOfRows', 'numberOfSelected', 'objectsAreIdentical', 'option', 'optionMenu', 'pauseScript', 'phonToDifferenceLimens', 'plusObject', 'positive', 'randomBinomial', 'randomGauss', 'randomInteger', 'randomPoisson', 'randomUniform', 'real', 'readFile', 'removeObject', 'rindex', 'rindex_regex', 'round', 'runScript', 'runSystem', 'runSystem_nocheck', 'selectObject', 'selected', 'semitonesToHertz', 'sentence', 'sentencetext', 'sigmoid', 'sin', 'sinc', 'sincpi', 'sinh', 'soundPressureToPhon', 'sqrt', 'startsWith', 'studentP', 'studentQ', 'tan', 'tanh', 'text', 'variableExists', 'word', 'writeFile', 'writeFileLine', 'writeInfo', 'writeInfoLine', ) functions_array = ( 'linear', 'randomGauss', 'randomInteger', 'randomUniform', 'zero', ) objects = ( 'Activation', 'AffineTransform', 'AmplitudeTier', 'Art', 'Artword', 'Autosegment', 'BarkFilter', 'BarkSpectrogram', 'CCA', 'Categories', 'Cepstrogram', 'Cepstrum', 'Cepstrumc', 'ChebyshevSeries', 'ClassificationTable', 'Cochleagram', 'Collection', 'ComplexSpectrogram', 'Configuration', 'Confusion', 'ContingencyTable', 'Corpus', 'Correlation', 'Covariance', 'CrossCorrelationTable', 'CrossCorrelationTables', 'DTW', 'DataModeler', 'Diagonalizer', 'Discriminant', 'Dissimilarity', 'Distance', 'Distributions', 'DurationTier', 'EEG', 'ERP', 'ERPTier', 'EditCostsTable', 'EditDistanceTable', 'Eigen', 'Excitation', 'Excitations', 'ExperimentMFC', 'FFNet', 'FeatureWeights', 'FileInMemory', 'FilesInMemory', 'Formant', 'FormantFilter', 'FormantGrid', 'FormantModeler', 'FormantPoint', 'FormantTier', 'GaussianMixture', 'HMM', 'HMM_Observation', 'HMM_ObservationSequence', 'HMM_State', 'HMM_StateSequence', 'Harmonicity', 'ISpline', 'Index', 'Intensity', 'IntensityTier', 'IntervalTier', 'KNN', 'KlattGrid', 'KlattTable', 'LFCC', 'LPC', 'Label', 'LegendreSeries', 'LinearRegression', 'LogisticRegression', 'LongSound', 'Ltas', 'MFCC', 'MSpline', 'ManPages', 'Manipulation', 'Matrix', 'MelFilter', 'MelSpectrogram', 'MixingMatrix', 'Movie', 'Network', 'Object', 'OTGrammar', 'OTHistory', 'OTMulti', 'PCA', 'PairDistribution', 'ParamCurve', 'Pattern', 'Permutation', 'Photo', 'Pitch', 'PitchModeler', 'PitchTier', 'PointProcess', 'Polygon', 'Polynomial', 'PowerCepstrogram', 'PowerCepstrum', 'Procrustes', 'RealPoint', 'RealTier', 'ResultsMFC', 'Roots', 'SPINET', 'SSCP', 'SVD', 'Salience', 'ScalarProduct', 'Similarity', 'SimpleString', 'SortedSetOfString', 'Sound', 'Speaker', 'Spectrogram', 'Spectrum', 'SpectrumTier', 'SpeechSynthesizer', 'SpellingChecker', 'Strings', 'StringsIndex', 'Table', 'TableOfReal', 'TextGrid', 'TextInterval', 'TextPoint', 'TextTier', 'Tier', 'Transition', 'VocalTract', 'VocalTractTier', 'Weight', 'WordList', ) variables_numeric = ( 'macintosh', 'windows', 'unix', 'praatVersion', 'pi', 'e', 'undefined', ) variables_string = ( 'praatVersion', 'tab', 'shellDirectory', 'homeDirectory', 'preferencesDirectory', 'newline', 'temporaryDirectory', 'defaultDirectory', ) object_attributes = ( 'ncol', 'nrow', 'xmin', 'ymin', 'xmax', 'ymax', 'nx', 'ny', 'dx', 'dy', ) tokens = { 'root': [ (r'(\s+)(#.*?$)', bygroups(Whitespace, Comment.Single)), (r'^#.*?$', Comment.Single), (r';[^\n]*', Comment.Single), (r'\s+', Whitespace), (r'\bprocedure\b', Keyword, 'procedure_definition'), (r'\bcall\b', Keyword, 'procedure_call'), (r'@', Name.Function, 'procedure_call'), include('function_call'), (words(keywords, suffix=r'\b'), Keyword), (r'(\bform\b)(\s+)([^\n]+)', bygroups(Keyword, Whitespace, String), 'old_form'), (r'(print(?:line|tab)?|echo|exit|asserterror|pause|send(?:praat|socket)|' r'include|execute|system(?:_nocheck)?)(\s+)', bygroups(Keyword, Whitespace), 'string_unquoted'), (r'(goto|label)(\s+)(\w+)', bygroups(Keyword, Whitespace, Name.Label)), include('variable_name'), include('number'), (r'"', String, 'string'), (words((objects), suffix=r'(?=\s+\S+\n)'), Name.Class, 'string_unquoted'), (r'\b[A-Z]', Keyword, 'command'), (r'(\.{3}|[)(,])', Punctuation), ], 'command': [ (r'( ?[\w()-]+ ?)', Keyword), include('string_interpolated'), (r'\.{3}', Keyword, ('#pop', 'old_arguments')), (r':', Keyword, ('#pop', 'comma_list')), (r'\s', Whitespace, '#pop'), ], 'procedure_call': [ (r'\s+', Whitespace), (r'([\w.]+)(?:(:)|(?:(\s*)(\()))', bygroups(Name.Function, Punctuation, Text.Whitespace, Punctuation), '#pop'), (r'([\w.]+)', Name.Function, ('#pop', 'old_arguments')), ], 'procedure_definition': [ (r'\s', Whitespace), (r'([\w.]+)(\s*?[(:])', bygroups(Name.Function, Whitespace), '#pop'), (r'([\w.]+)([^\n]*)', bygroups(Name.Function, Text), '#pop'), ], 'function_call': [ (words(functions_string, suffix=r'\$(?=\s*[:(])'), Name.Function, 'function'), (words(functions_array, suffix=r'#(?=\s*[:(])'), Name.Function, 'function'), (words(functions_numeric, suffix=r'(?=\s*[:(])'), Name.Function, 'function'), ], 'function': [ (r'\s+', Whitespace), (r':', Punctuation, ('#pop', 'comma_list')), (r'\s*\(', Punctuation, ('#pop', 'comma_list')), ], 'comma_list': [ (r'(\s*\n\s*)(\.{3})', bygroups(Whitespace, Punctuation)), (r'(\s*)(?:([)\]])|(\n))', bygroups( Whitespace, Punctuation, Whitespace), '#pop'), (r'\s+', Whitespace), (r'"', String, 'string'), (r'\b(if|then|else|fi|endif)\b', Keyword), include('function_call'), include('variable_name'), include('operator'), include('number'), (r'[()]', Text), (r',', Punctuation), ], 'old_arguments': [ (r'\n', Whitespace, '#pop'), include('variable_name'), include('operator'), include('number'), (r'"', String, 'string'), (r'[^\n]', Text), ], 'number': [ (r'\n', Whitespace, '#pop'), (r'\b\d+(\.\d*)?([eE][-+]?\d+)?%?', Number), ], 'object_reference': [ include('string_interpolated'), (r'([a-z][a-zA-Z0-9_]*|\d+)', Name.Builtin), (words(object_attributes, prefix=r'\.'), Name.Builtin, '#pop'), (r'\$', Name.Builtin), (r'\[', Text, '#pop'), ], 'variable_name': [ include('operator'), include('number'), (words(variables_string, suffix=r'\$'), Name.Variable.Global), (words(variables_numeric, suffix=r'(?=[^a-zA-Z0-9_."\'$#\[:(]|\s|^|$)'), Name.Variable.Global), (words(objects, prefix=r'\b', suffix=r"(_)"), bygroups(Name.Builtin, Name.Builtin), 'object_reference'), (r'\.?_?[a-z][\w.]*(\$|#)?', Text), (r'[\[\]]', Punctuation, 'comma_list'), include('string_interpolated'), ], 'operator': [ (r'([+\/*<>=!-]=?|[&*|][&*|]?|\^|<>)', Operator), (r'(?<![\w.])(and|or|not|div|mod)(?![\w.])', Operator.Word), ], 'string_interpolated': [ (r'\'[_a-z][^\[\]\'":]*(\[([\d,]+|"[\w,]+")\])?(:[0-9]+)?\'', String.Interpol), ], 'string_unquoted': [ (r'(\n\s*)(\.{3})', bygroups(Whitespace, Punctuation)), (r'\n', Whitespace, '#pop'), (r'\s', Whitespace), include('string_interpolated'), (r"'", String), (r"[^'\n]+", String), ], 'string': [ (r'(\n\s*)(\.{3})', bygroups(Whitespace, Punctuation)), (r'"', String, '#pop'), include('string_interpolated'), (r"'", String), (r'[^\'"\n]+', String), ], 'old_form': [ (r'(\s+)(#.*?$)', bygroups(Whitespace, Comment.Single)), (r'\s+', Whitespace), (r'(optionmenu|choice)([ \t]+)(\S+)(:)([ \t]+)', bygroups(Keyword, Whitespace, Text, Punctuation, Whitespace), 'number'), (r'(option|button)([ \t]+)', bygroups(Keyword, Whitespace), 'string_unquoted'), (r'(sentence|text)([ \t]+)(\S+)', bygroups(Keyword, Whitespace, String), 'string_unquoted'), (r'(word)([ \t]+)(\S+)([ \t]*)(\S+)?(?:([ \t]+)(.*))?', bygroups(Keyword, Whitespace, Text, Whitespace, Text, Whitespace, Text)), (r'(boolean)(\s+\S+\s*)(0|1|"?(?:yes|no)"?)', bygroups(Keyword, Whitespace, Name.Variable)), # Ideally processing of the number would happen in the 'number' # but that doesn't seem to work (r'(real|natural|positive|integer)([ \t]+\S+[ \t]*)([+-]?)(\d+(?:\.\d*)?' r'(?:[eE][-+]?\d+)?%?)', bygroups(Keyword, Whitespace, Operator, Number)), (r'(comment)(\s+)', bygroups(Keyword, Whitespace), 'string_unquoted'), (r'\bendform\b', Keyword, '#pop'), ] }
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