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"""
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'),
]
}
|
