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367 lines
13 KiB
Python
367 lines
13 KiB
Python
"""
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pygments.lexers.modeling
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~~~~~~~~~~~~~~~~~~~~~~~~
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Lexers for modeling languages.
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:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, include, bygroups, using, default
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Whitespace
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from pygments.lexers.html import HtmlLexer
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from pygments.lexers import _stan_builtins
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__all__ = ['ModelicaLexer', 'BugsLexer', 'JagsLexer', 'StanLexer']
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class ModelicaLexer(RegexLexer):
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"""
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For Modelica source code.
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"""
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name = 'Modelica'
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url = 'http://www.modelica.org/'
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aliases = ['modelica']
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filenames = ['*.mo']
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mimetypes = ['text/x-modelica']
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version_added = '1.1'
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flags = re.DOTALL | re.MULTILINE
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_name = r"(?:'(?:[^\\']|\\.)+'|[a-zA-Z_]\w*)"
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tokens = {
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'whitespace': [
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(r'[\s\ufeff]+', Text),
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(r'//[^\n]*\n?', Comment.Single),
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(r'/\*.*?\*/', Comment.Multiline)
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],
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'root': [
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include('whitespace'),
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(r'"', String.Double, 'string'),
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(r'[()\[\]{},;]+', Punctuation),
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(r'\.?[*^/+-]|\.|<>|[<>:=]=?', Operator),
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(r'\d+(\.?\d*[eE][-+]?\d+|\.\d*)', Number.Float),
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(r'\d+', Number.Integer),
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(r'(abs|acos|actualStream|array|asin|assert|AssertionLevel|atan|'
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r'atan2|backSample|Boolean|cardinality|cat|ceil|change|Clock|'
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r'Connections|cos|cosh|cross|delay|diagonal|div|edge|exp|'
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r'ExternalObject|fill|floor|getInstanceName|hold|homotopy|'
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r'identity|inStream|integer|Integer|interval|inverse|isPresent|'
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r'linspace|log|log10|matrix|max|min|mod|ndims|noClock|noEvent|'
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r'ones|outerProduct|pre|previous|product|Real|reinit|rem|rooted|'
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r'sample|scalar|semiLinear|shiftSample|sign|sin|sinh|size|skew|'
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r'smooth|spatialDistribution|sqrt|StateSelect|String|subSample|'
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r'sum|superSample|symmetric|tan|tanh|terminal|terminate|time|'
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r'transpose|vector|zeros)\b', Name.Builtin),
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(r'(algorithm|annotation|break|connect|constant|constrainedby|der|'
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r'discrete|each|else|elseif|elsewhen|encapsulated|enumeration|'
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r'equation|exit|expandable|extends|external|firstTick|final|flow|for|if|'
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r'import|impure|in|initial|inner|input|interval|loop|nondiscrete|outer|'
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r'output|parameter|partial|protected|public|pure|redeclare|'
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r'replaceable|return|stream|then|when|while)\b',
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Keyword.Reserved),
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(r'(and|not|or)\b', Operator.Word),
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(r'(block|class|connector|end|function|model|operator|package|'
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r'record|type)\b', Keyword.Reserved, 'class'),
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(r'(false|true)\b', Keyword.Constant),
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(r'within\b', Keyword.Reserved, 'package-prefix'),
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(_name, Name)
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],
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'class': [
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include('whitespace'),
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(r'(function|record)\b', Keyword.Reserved),
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(r'(if|for|when|while)\b', Keyword.Reserved, '#pop'),
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(_name, Name.Class, '#pop'),
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default('#pop')
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],
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'package-prefix': [
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include('whitespace'),
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(_name, Name.Namespace, '#pop'),
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default('#pop')
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],
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'string': [
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(r'"', String.Double, '#pop'),
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(r'\\[\'"?\\abfnrtv]', String.Escape),
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(r'(?i)<\s*html\s*>([^\\"]|\\.)+?(<\s*/\s*html\s*>|(?="))',
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using(HtmlLexer)),
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(r'<|\\?[^"\\<]+', String.Double)
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]
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}
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class BugsLexer(RegexLexer):
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"""
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Pygments Lexer for OpenBugs and WinBugs
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models.
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"""
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name = 'BUGS'
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aliases = ['bugs', 'winbugs', 'openbugs']
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filenames = ['*.bug']
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url = 'https://www.mrc-bsu.cam.ac.uk/software/bugs/openbugs'
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version_added = '1.6'
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_FUNCTIONS = (
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# Scalar functions
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'abs', 'arccos', 'arccosh', 'arcsin', 'arcsinh', 'arctan', 'arctanh',
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'cloglog', 'cos', 'cosh', 'cumulative', 'cut', 'density', 'deviance',
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'equals', 'expr', 'gammap', 'ilogit', 'icloglog', 'integral', 'log',
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'logfact', 'loggam', 'logit', 'max', 'min', 'phi', 'post.p.value',
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'pow', 'prior.p.value', 'probit', 'replicate.post', 'replicate.prior',
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'round', 'sin', 'sinh', 'solution', 'sqrt', 'step', 'tan', 'tanh',
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'trunc',
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# Vector functions
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'inprod', 'interp.lin', 'inverse', 'logdet', 'mean', 'eigen.vals',
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'ode', 'prod', 'p.valueM', 'rank', 'ranked', 'replicate.postM',
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'sd', 'sort', 'sum',
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# Special
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'D', 'I', 'F', 'T', 'C')
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""" OpenBUGS built-in functions
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From http://www.openbugs.info/Manuals/ModelSpecification.html#ContentsAII
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This also includes
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- T, C, I : Truncation and censoring.
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``T`` and ``C`` are in OpenBUGS. ``I`` in WinBUGS.
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- D : ODE
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- F : Functional http://www.openbugs.info/Examples/Functionals.html
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"""
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_DISTRIBUTIONS = ('dbern', 'dbin', 'dcat', 'dnegbin', 'dpois',
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'dhyper', 'dbeta', 'dchisqr', 'ddexp', 'dexp',
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'dflat', 'dgamma', 'dgev', 'df', 'dggamma', 'dgpar',
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'dloglik', 'dlnorm', 'dlogis', 'dnorm', 'dpar',
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'dt', 'dunif', 'dweib', 'dmulti', 'ddirch', 'dmnorm',
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'dmt', 'dwish')
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""" OpenBUGS built-in distributions
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Functions from
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http://www.openbugs.info/Manuals/ModelSpecification.html#ContentsAI
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"""
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tokens = {
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'whitespace': [
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(r"\s+", Text),
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],
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'comments': [
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# Comments
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(r'#.*$', Comment.Single),
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],
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'root': [
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# Comments
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include('comments'),
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include('whitespace'),
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# Block start
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(r'(model)(\s+)(\{)',
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bygroups(Keyword.Namespace, Text, Punctuation)),
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# Reserved Words
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(r'(for|in)(?![\w.])', Keyword.Reserved),
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# Built-in Functions
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(r'({})(?=\s*\()'.format(r'|'.join(_FUNCTIONS + _DISTRIBUTIONS)),
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Name.Builtin),
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# Regular variable names
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(r'[A-Za-z][\w.]*', Name),
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# Number Literals
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(r'[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?', Number),
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# Punctuation
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(r'\[|\]|\(|\)|:|,|;', Punctuation),
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# Assignment operators
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# SLexer makes these tokens Operators.
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(r'<-|~', Operator),
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# Infix and prefix operators
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(r'\+|-|\*|/', Operator),
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# Block
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(r'[{}]', Punctuation),
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]
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}
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def analyse_text(text):
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if re.search(r"^\s*model\s*{", text, re.M):
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return 0.7
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else:
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return 0.0
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class JagsLexer(RegexLexer):
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"""
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Pygments Lexer for JAGS.
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"""
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name = 'JAGS'
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aliases = ['jags']
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filenames = ['*.jag', '*.bug']
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url = 'https://mcmc-jags.sourceforge.io'
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version_added = '1.6'
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# JAGS
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_FUNCTIONS = (
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'abs', 'arccos', 'arccosh', 'arcsin', 'arcsinh', 'arctan', 'arctanh',
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'cos', 'cosh', 'cloglog',
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'equals', 'exp', 'icloglog', 'ifelse', 'ilogit', 'log', 'logfact',
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'loggam', 'logit', 'phi', 'pow', 'probit', 'round', 'sin', 'sinh',
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'sqrt', 'step', 'tan', 'tanh', 'trunc', 'inprod', 'interp.lin',
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'logdet', 'max', 'mean', 'min', 'prod', 'sum', 'sd', 'inverse',
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'rank', 'sort', 't', 'acos', 'acosh', 'asin', 'asinh', 'atan',
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# Truncation/Censoring (should I include)
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'T', 'I')
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# Distributions with density, probability and quartile functions
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_DISTRIBUTIONS = tuple(f'[dpq]{x}' for x in
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('bern', 'beta', 'dchiqsqr', 'ddexp', 'dexp',
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'df', 'gamma', 'gen.gamma', 'logis', 'lnorm',
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'negbin', 'nchisqr', 'norm', 'par', 'pois', 'weib'))
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# Other distributions without density and probability
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_OTHER_DISTRIBUTIONS = (
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'dt', 'dunif', 'dbetabin', 'dbern', 'dbin', 'dcat', 'dhyper',
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'ddirch', 'dmnorm', 'dwish', 'dmt', 'dmulti', 'dbinom', 'dchisq',
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'dnbinom', 'dweibull', 'ddirich')
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tokens = {
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'whitespace': [
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(r"\s+", Text),
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],
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'names': [
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# Regular variable names
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(r'[a-zA-Z][\w.]*\b', Name),
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],
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'comments': [
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# do not use stateful comments
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(r'(?s)/\*.*?\*/', Comment.Multiline),
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# Comments
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(r'#.*$', Comment.Single),
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],
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'root': [
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# Comments
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include('comments'),
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include('whitespace'),
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# Block start
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(r'(model|data)(\s+)(\{)',
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bygroups(Keyword.Namespace, Text, Punctuation)),
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(r'var(?![\w.])', Keyword.Declaration),
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# Reserved Words
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(r'(for|in)(?![\w.])', Keyword.Reserved),
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# Builtins
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# Need to use lookahead because . is a valid char
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(r'({})(?=\s*\()'.format(r'|'.join(_FUNCTIONS
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+ _DISTRIBUTIONS
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+ _OTHER_DISTRIBUTIONS)),
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Name.Builtin),
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# Names
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include('names'),
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# Number Literals
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(r'[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?', Number),
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(r'\[|\]|\(|\)|:|,|;', Punctuation),
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# Assignment operators
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(r'<-|~', Operator),
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# # JAGS includes many more than OpenBUGS
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(r'\+|-|\*|\/|\|\|[&]{2}|[<>=]=?|\^|%.*?%', Operator),
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(r'[{}]', Punctuation),
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]
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}
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def analyse_text(text):
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if re.search(r'^\s*model\s*\{', text, re.M):
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if re.search(r'^\s*data\s*\{', text, re.M):
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return 0.9
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elif re.search(r'^\s*var', text, re.M):
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return 0.9
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else:
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return 0.3
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else:
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return 0
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class StanLexer(RegexLexer):
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"""Pygments Lexer for Stan models.
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The Stan modeling language is specified in the *Stan Modeling Language
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User's Guide and Reference Manual, v2.17.0*,
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`pdf <https://github.com/stan-dev/stan/releases/download/v2.17.0/stan-reference-2.17.0.pdf>`__.
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"""
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name = 'Stan'
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aliases = ['stan']
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filenames = ['*.stan']
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url = 'https://mc-stan.org'
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version_added = '1.6'
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tokens = {
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'whitespace': [
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(r"\s+", Text),
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],
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'comments': [
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(r'(?s)/\*.*?\*/', Comment.Multiline),
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# Comments
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(r'(//|#).*$', Comment.Single),
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],
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'root': [
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(r'"[^"]*"', String),
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# Comments
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include('comments'),
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# block start
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include('whitespace'),
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# Block start
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(r'({})(\s*)(\{{)'.format(r'|'.join(('functions', 'data', r'transformed\s+?data',
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'parameters', r'transformed\s+parameters',
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'model', r'generated\s+quantities'))),
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bygroups(Keyword.Namespace, Text, Punctuation)),
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# target keyword
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(r'target\s*\+=', Keyword),
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# Reserved Words
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(r'({})\b'.format(r'|'.join(_stan_builtins.KEYWORDS)), Keyword),
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# Truncation
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(r'T(?=\s*\[)', Keyword),
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# Data types
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(r'({})\b'.format(r'|'.join(_stan_builtins.TYPES)), Keyword.Type),
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# < should be punctuation, but elsewhere I can't tell if it is in
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# a range constraint
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(r'(<)(\s*)(upper|lower|offset|multiplier)(\s*)(=)',
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bygroups(Operator, Whitespace, Keyword, Whitespace, Punctuation)),
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(r'(,)(\s*)(upper)(\s*)(=)',
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bygroups(Punctuation, Whitespace, Keyword, Whitespace, Punctuation)),
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# Punctuation
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(r"[;,\[\]()]", Punctuation),
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# Builtin
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(r'({})(?=\s*\()'.format('|'.join(_stan_builtins.FUNCTIONS)), Name.Builtin),
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(r'(~)(\s*)({})(?=\s*\()'.format('|'.join(_stan_builtins.DISTRIBUTIONS)),
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bygroups(Operator, Whitespace, Name.Builtin)),
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# Special names ending in __, like lp__
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(r'[A-Za-z]\w*__\b', Name.Builtin.Pseudo),
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(r'({})\b'.format(r'|'.join(_stan_builtins.RESERVED)), Keyword.Reserved),
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# user-defined functions
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(r'[A-Za-z]\w*(?=\s*\()]', Name.Function),
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# Imaginary Literals
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(r'[0-9]+(\.[0-9]*)?([eE][+-]?[0-9]+)?i', Number.Float),
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(r'\.[0-9]+([eE][+-]?[0-9]+)?i', Number.Float),
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(r'[0-9]+i', Number.Float),
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# Real Literals
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(r'[0-9]+(\.[0-9]*)?([eE][+-]?[0-9]+)?', Number.Float),
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(r'\.[0-9]+([eE][+-]?[0-9]+)?', Number.Float),
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# Integer Literals
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(r'[0-9]+', Number.Integer),
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# Regular variable names
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(r'[A-Za-z]\w*\b', Name),
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# Assignment operators
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(r'<-|(?:\+|-|\.?/|\.?\*|=)?=|~', Operator),
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# Infix, prefix and postfix operators (and = )
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(r"\+|-|\.?\*|\.?/|\\|'|\.?\^|!=?|<=?|>=?|\|\||&&|%|\?|:|%/%|!", Operator),
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# Block delimiters
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(r'[{}]', Punctuation),
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# Distribution |
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(r'\|', Punctuation)
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]
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}
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def analyse_text(text):
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if re.search(r'^\s*parameters\s*\{', text, re.M):
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return 1.0
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else:
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return 0.0
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