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https://github.com/wakatime/sublime-wakatime.git
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454 lines
23 KiB
Python
454 lines
23 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pygments.lexers.r
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~~~~~~~~~~~~~~~~~
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Lexers for the R/S languages.
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:copyright: Copyright 2006-2017 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 Lexer, RegexLexer, include, words, do_insertions
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Number, Punctuation, Generic
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__all__ = ['RConsoleLexer', 'SLexer', 'RdLexer']
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line_re = re.compile('.*?\n')
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class RConsoleLexer(Lexer):
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"""
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For R console transcripts or R CMD BATCH output files.
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"""
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name = 'RConsole'
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aliases = ['rconsole', 'rout']
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filenames = ['*.Rout']
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def get_tokens_unprocessed(self, text):
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slexer = SLexer(**self.options)
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current_code_block = ''
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insertions = []
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for match in line_re.finditer(text):
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line = match.group()
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if line.startswith('>') or line.startswith('+'):
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# Colorize the prompt as such,
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# then put rest of line into current_code_block
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insertions.append((len(current_code_block),
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[(0, Generic.Prompt, line[:2])]))
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current_code_block += line[2:]
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else:
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# We have reached a non-prompt line!
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# If we have stored prompt lines, need to process them first.
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if current_code_block:
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# Weave together the prompts and highlight code.
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for item in do_insertions(
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insertions, slexer.get_tokens_unprocessed(current_code_block)):
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yield item
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# Reset vars for next code block.
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current_code_block = ''
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insertions = []
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# Now process the actual line itself, this is output from R.
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yield match.start(), Generic.Output, line
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# If we happen to end on a code block with nothing after it, need to
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# process the last code block. This is neither elegant nor DRY so
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# should be changed.
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if current_code_block:
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for item in do_insertions(
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insertions, slexer.get_tokens_unprocessed(current_code_block)):
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yield item
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class SLexer(RegexLexer):
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"""
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For S, S-plus, and R source code.
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.. versionadded:: 0.10
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"""
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name = 'S'
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aliases = ['splus', 's', 'r']
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filenames = ['*.S', '*.R', '.Rhistory', '.Rprofile', '.Renviron']
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mimetypes = ['text/S-plus', 'text/S', 'text/x-r-source', 'text/x-r',
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'text/x-R', 'text/x-r-history', 'text/x-r-profile']
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builtins_base = (
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'Arg', 'Conj', 'Cstack_info', 'Encoding', 'FALSE',
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'Filter', 'Find', 'I', 'ISOdate', 'ISOdatetime', 'Im', 'Inf',
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'La.svd', 'Map', 'Math.Date', 'Math.POSIXt', 'Math.data.frame',
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'Math.difftime', 'Math.factor', 'Mod', 'NA_character_',
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'NA_complex_', 'NA_real_', 'NCOL', 'NROW', 'NULLNA_integer_', 'NaN',
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'Negate', 'NextMethod', 'Ops.Date', 'Ops.POSIXt', 'Ops.data.frame',
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'Ops.difftime', 'Ops.factor', 'Ops.numeric_version', 'Ops.ordered',
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'Position', 'R.Version', 'R.home', 'R.version', 'R.version.string',
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'RNGkind', 'RNGversion', 'R_system_version', 'Re', 'Recall',
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'Reduce', 'Summary.Date', 'Summary.POSIXct', 'Summary.POSIXlt',
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'Summary.data.frame', 'Summary.difftime', 'Summary.factor',
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'Summary.numeric_version', 'Summary.ordered', 'Sys.Date',
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'Sys.chmod', 'Sys.getenv', 'Sys.getlocale', 'Sys.getpid',
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'Sys.glob', 'Sys.info', 'Sys.localeconv', 'Sys.readlink',
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'Sys.setFileTime', 'Sys.setenv', 'Sys.setlocale', 'Sys.sleep',
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'Sys.time', 'Sys.timezone', 'Sys.umask', 'Sys.unsetenv',
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'Sys.which', 'TRUE', 'UseMethod', 'Vectorize', 'abbreviate', 'abs',
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'acos', 'acosh', 'addNA', 'addTaskCallback', 'agrep', 'alist',
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'all', 'all.equal', 'all.equal.POSIXct', 'all.equal.character',
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'all.equal.default', 'all.equal.factor', 'all.equal.formula',
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'all.equal.language', 'all.equal.list', 'all.equal.numeric',
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'all.equal.raw', 'all.names', 'all.vars', 'any', 'anyDuplicated',
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'anyDuplicated.array', 'anyDuplicated.data.frame',
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'anyDuplicated.default', 'anyDuplicated.matrix', 'aperm',
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'aperm.default', 'aperm.table', 'append', 'apply', 'args',
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'arrayInd', 'as.Date', 'as.Date.POSIXct', 'as.Date.POSIXlt',
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'as.Date.character', 'as.Date.date', 'as.Date.dates',
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'as.Date.default', 'as.Date.factor', 'as.Date.numeric',
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'as.POSIXct', 'as.POSIXct.Date', 'as.POSIXct.POSIXlt',
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'as.POSIXct.date', 'as.POSIXct.dates', 'as.POSIXct.default',
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'as.POSIXct.numeric', 'as.POSIXlt', 'as.POSIXlt.Date',
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'as.POSIXlt.POSIXct', 'as.POSIXlt.character', 'as.POSIXlt.date',
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'as.POSIXlt.dates', 'as.POSIXlt.default', 'as.POSIXlt.factor',
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'as.POSIXlt.numeric', 'as.array', 'as.array.default', 'as.call',
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'as.character', 'as.character.Date', 'as.character.POSIXt',
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'as.character.condition', 'as.character.default',
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'as.character.error', 'as.character.factor', 'as.character.hexmode',
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'as.character.numeric_version', 'as.character.octmode',
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'as.character.srcref', 'as.complex', 'as.data.frame',
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'as.data.frame.AsIs', 'as.data.frame.Date', 'as.data.frame.POSIXct',
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'as.data.frame.POSIXlt', 'as.data.frame.array',
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'as.data.frame.character', 'as.data.frame.complex',
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'as.data.frame.data.frame', 'as.data.frame.default',
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'as.data.frame.difftime', 'as.data.frame.factor',
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'as.data.frame.integer', 'as.data.frame.list',
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'as.data.frame.logical', 'as.data.frame.matrix',
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'as.data.frame.model.matrix', 'as.data.frame.numeric',
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'as.data.frame.numeric_version', 'as.data.frame.ordered',
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'as.data.frame.raw', 'as.data.frame.table', 'as.data.frame.ts',
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'as.data.frame.vector', 'as.difftime', 'as.double',
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'as.double.POSIXlt', 'as.double.difftime', 'as.environment',
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'as.expression', 'as.expression.default', 'as.factor',
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'as.function', 'as.function.default', 'as.hexmode', 'as.integer',
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'as.list', 'as.list.Date', 'as.list.POSIXct', 'as.list.data.frame',
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'as.list.default', 'as.list.environment', 'as.list.factor',
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'as.list.function', 'as.list.numeric_version', 'as.logical',
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'as.logical.factor', 'as.matrix', 'as.matrix.POSIXlt',
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'as.matrix.data.frame', 'as.matrix.default', 'as.matrix.noquote',
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'as.name', 'as.null', 'as.null.default', 'as.numeric',
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'as.numeric_version', 'as.octmode', 'as.ordered',
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'as.package_version', 'as.pairlist', 'as.qr', 'as.raw', 'as.single',
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'as.single.default', 'as.symbol', 'as.table', 'as.table.default',
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'as.vector', 'as.vector.factor', 'asNamespace', 'asS3', 'asS4',
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'asin', 'asinh', 'assign', 'atan', 'atan2', 'atanh',
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'attachNamespace', 'attr', 'attr.all.equal', 'attributes',
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'autoload', 'autoloader', 'backsolve', 'baseenv', 'basename',
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'besselI', 'besselJ', 'besselK', 'besselY', 'beta',
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'bindingIsActive', 'bindingIsLocked', 'bindtextdomain', 'bitwAnd',
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'bitwNot', 'bitwOr', 'bitwShiftL', 'bitwShiftR', 'bitwXor', 'body',
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'bquote', 'browser', 'browserCondition', 'browserSetDebug',
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'browserText', 'builtins', 'by', 'by.data.frame', 'by.default',
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'bzfile', 'c.Date', 'c.POSIXct', 'c.POSIXlt', 'c.noquote',
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'c.numeric_version', 'call', 'callCC', 'capabilities', 'casefold',
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'cat', 'category', 'cbind', 'cbind.data.frame', 'ceiling',
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'char.expand', 'charToRaw', 'charmatch', 'chartr', 'check_tzones',
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'chol', 'chol.default', 'chol2inv', 'choose', 'class',
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'clearPushBack', 'close', 'close.connection', 'close.srcfile',
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'close.srcfilealias', 'closeAllConnections', 'col', 'colMeans',
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'colSums', 'colnames', 'commandArgs', 'comment', 'computeRestarts',
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'conditionCall', 'conditionCall.condition', 'conditionMessage',
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'conditionMessage.condition', 'conflicts', 'contributors', 'cos',
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'cosh', 'crossprod', 'cummax', 'cummin', 'cumprod', 'cumsum', 'cut',
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'cut.Date', 'cut.POSIXt', 'cut.default', 'dQuote', 'data.class',
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'data.matrix', 'date', 'debug', 'debugonce',
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'default.stringsAsFactors', 'delayedAssign', 'deparse', 'det',
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'determinant', 'determinant.matrix', 'dget', 'diag', 'diff',
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'diff.Date', 'diff.POSIXt', 'diff.default', 'difftime', 'digamma',
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'dim', 'dim.data.frame', 'dimnames', 'dimnames.data.frame', 'dir',
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'dir.create', 'dirname', 'do.call', 'dput', 'drop', 'droplevels',
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'droplevels.data.frame', 'droplevels.factor', 'dump', 'duplicated',
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'duplicated.POSIXlt', 'duplicated.array', 'duplicated.data.frame',
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'duplicated.default', 'duplicated.matrix',
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'duplicated.numeric_version', 'dyn.load', 'dyn.unload', 'eapply',
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'eigen', 'else', 'emptyenv', 'enc2native', 'enc2utf8',
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'encodeString', 'enquote', 'env.profile', 'environment',
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'environmentIsLocked', 'environmentName', 'eval', 'eval.parent',
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'evalq', 'exists', 'exp', 'expand.grid', 'expm1', 'expression',
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'factor', 'factorial', 'fifo', 'file', 'file.access', 'file.append',
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'file.choose', 'file.copy', 'file.create', 'file.exists',
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'file.info', 'file.link', 'file.path', 'file.remove', 'file.rename',
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'file.show', 'file.symlink', 'find.package', 'findInterval',
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'findPackageEnv', 'findRestart', 'floor', 'flush',
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'flush.connection', 'force', 'formals', 'format',
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'format.AsIs', 'format.Date', 'format.POSIXct', 'format.POSIXlt',
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'format.data.frame', 'format.default', 'format.difftime',
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'format.factor', 'format.hexmode', 'format.info',
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'format.libraryIQR', 'format.numeric_version', 'format.octmode',
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'format.packageInfo', 'format.pval', 'format.summaryDefault',
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'formatC', 'formatDL', 'forwardsolve', 'gamma', 'gc', 'gc.time',
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'gcinfo', 'gctorture', 'gctorture2', 'get', 'getAllConnections',
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'getCallingDLL', 'getCallingDLLe', 'getConnection',
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'getDLLRegisteredRoutines', 'getDLLRegisteredRoutines.DLLInfo',
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'getDLLRegisteredRoutines.character', 'getElement',
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'getExportedValue', 'getHook', 'getLoadedDLLs', 'getNamespace',
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'getNamespaceExports', 'getNamespaceImports', 'getNamespaceInfo',
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'getNamespaceName', 'getNamespaceUsers', 'getNamespaceVersion',
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'getNativeSymbolInfo', 'getOption', 'getRversion', 'getSrcLines',
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'getTaskCallbackNames', 'geterrmessage', 'gettext', 'gettextf',
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'getwd', 'gl', 'globalenv', 'gregexpr', 'grep', 'grepRaw', 'grepl',
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'gsub', 'gzcon', 'gzfile', 'head', 'iconv', 'iconvlist',
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'icuSetCollate', 'identical', 'identity', 'ifelse', 'importIntoEnv',
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'in', 'inherits', 'intToBits', 'intToUtf8', 'interaction', 'interactive',
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'intersect', 'inverse.rle', 'invisible', 'invokeRestart',
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'invokeRestartInteractively', 'is.R', 'is.array', 'is.atomic',
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'is.call', 'is.character', 'is.complex', 'is.data.frame',
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'is.double', 'is.element', 'is.environment', 'is.expression',
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'is.factor', 'is.finite', 'is.function', 'is.infinite',
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'is.integer', 'is.language', 'is.list', 'is.loaded', 'is.logical',
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'is.matrix', 'is.na', 'is.na.POSIXlt', 'is.na.data.frame',
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'is.na.numeric_version', 'is.name', 'is.nan', 'is.null',
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'is.numeric', 'is.numeric.Date', 'is.numeric.POSIXt',
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'is.numeric.difftime', 'is.numeric_version', 'is.object',
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'is.ordered', 'is.package_version', 'is.pairlist', 'is.primitive',
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'is.qr', 'is.raw', 'is.recursive', 'is.single', 'is.symbol',
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'is.table', 'is.unsorted', 'is.vector', 'isBaseNamespace',
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'isIncomplete', 'isNamespace', 'isOpen', 'isRestart', 'isS4',
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'isSeekable', 'isSymmetric', 'isSymmetric.matrix', 'isTRUE',
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'isatty', 'isdebugged', 'jitter', 'julian', 'julian.Date',
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'julian.POSIXt', 'kappa', 'kappa.default', 'kappa.lm', 'kappa.qr',
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'kronecker', 'l10n_info', 'labels', 'labels.default', 'lapply',
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'lazyLoad', 'lazyLoadDBexec', 'lazyLoadDBfetch', 'lbeta', 'lchoose',
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'length', 'length.POSIXlt', 'letters', 'levels', 'levels.default',
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'lfactorial', 'lgamma', 'library.dynam', 'library.dynam.unload',
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'licence', 'license', 'list.dirs', 'list.files', 'list2env', 'load',
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'loadNamespace', 'loadedNamespaces', 'loadingNamespaceInfo',
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'local', 'lockBinding', 'lockEnvironment', 'log', 'log10', 'log1p',
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'log2', 'logb', 'lower.tri', 'ls', 'make.names', 'make.unique',
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'makeActiveBinding', 'mapply', 'margin.table', 'mat.or.vec',
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'match', 'match.arg', 'match.call', 'match.fun', 'max', 'max.col',
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'mean', 'mean.Date', 'mean.POSIXct', 'mean.POSIXlt', 'mean.default',
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'mean.difftime', 'mem.limits', 'memCompress', 'memDecompress',
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'memory.profile', 'merge', 'merge.data.frame', 'merge.default',
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'message', 'mget', 'min', 'missing', 'mode', 'month.abb',
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'month.name', 'months', 'months.Date', 'months.POSIXt',
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'months.abb', 'months.nameletters', 'names', 'names.POSIXlt',
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'namespaceExport', 'namespaceImport', 'namespaceImportClasses',
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'namespaceImportFrom', 'namespaceImportMethods', 'nargs', 'nchar',
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'ncol', 'new.env', 'ngettext', 'nlevels', 'noquote', 'norm',
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'normalizePath', 'nrow', 'numeric_version', 'nzchar', 'objects',
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'oldClass', 'on.exit', 'open', 'open.connection', 'open.srcfile',
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'open.srcfilealias', 'open.srcfilecopy', 'options', 'order',
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'ordered', 'outer', 'packBits', 'packageEvent',
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'packageHasNamespace', 'packageStartupMessage', 'package_version',
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'pairlist', 'parent.env', 'parent.frame', 'parse',
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'parseNamespaceFile', 'paste', 'paste0', 'path.expand',
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'path.package', 'pipe', 'pmatch', 'pmax', 'pmax.int', 'pmin',
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'pmin.int', 'polyroot', 'pos.to.env', 'pretty', 'pretty.default',
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'prettyNum', 'print', 'print.AsIs', 'print.DLLInfo',
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'print.DLLInfoList', 'print.DLLRegisteredRoutines', 'print.Date',
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'print.NativeRoutineList', 'print.POSIXct', 'print.POSIXlt',
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'print.by', 'print.condition', 'print.connection',
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'print.data.frame', 'print.default', 'print.difftime',
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'print.factor', 'print.function', 'print.hexmode',
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'print.libraryIQR', 'print.listof', 'print.noquote',
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'print.numeric_version', 'print.octmode', 'print.packageInfo',
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'print.proc_time', 'print.restart', 'print.rle',
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'print.simple.list', 'print.srcfile', 'print.srcref',
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'print.summary.table', 'print.summaryDefault', 'print.table',
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'print.warnings', 'prmatrix', 'proc.time', 'prod', 'prop.table',
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'provideDimnames', 'psigamma', 'pushBack', 'pushBackLength', 'q',
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'qr', 'qr.Q', 'qr.R', 'qr.X', 'qr.coef', 'qr.default', 'qr.fitted',
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'qr.qty', 'qr.qy', 'qr.resid', 'qr.solve', 'quarters',
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'quarters.Date', 'quarters.POSIXt', 'quit', 'quote', 'range',
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'range.default', 'rank', 'rapply', 'raw', 'rawConnection',
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'rawConnectionValue', 'rawShift', 'rawToBits', 'rawToChar', 'rbind',
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'rbind.data.frame', 'rcond', 'read.dcf', 'readBin', 'readChar',
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'readLines', 'readRDS', 'readRenviron', 'readline', 'reg.finalizer',
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'regexec', 'regexpr', 'registerS3method', 'registerS3methods',
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'regmatches', 'remove', 'removeTaskCallback', 'rep', 'rep.Date',
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'rep.POSIXct', 'rep.POSIXlt', 'rep.factor', 'rep.int',
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'rep.numeric_version', 'rep_len', 'replace', 'replicate',
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'requireNamespace', 'restartDescription', 'restartFormals',
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'retracemem', 'rev', 'rev.default', 'rle', 'rm', 'round',
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'round.Date', 'round.POSIXt', 'row', 'row.names',
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'row.names.data.frame', 'row.names.default', 'rowMeans', 'rowSums',
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'rownames', 'rowsum', 'rowsum.data.frame', 'rowsum.default',
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'sQuote', 'sample', 'sample.int', 'sapply', 'save', 'save.image',
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'saveRDS', 'scale', 'scale.default', 'scan', 'search',
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'searchpaths', 'seek', 'seek.connection', 'seq', 'seq.Date',
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'seq.POSIXt', 'seq.default', 'seq.int', 'seq_along', 'seq_len',
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'sequence', 'serialize', 'set.seed', 'setHook', 'setNamespaceInfo',
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'setSessionTimeLimit', 'setTimeLimit', 'setdiff', 'setequal',
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'setwd', 'shQuote', 'showConnections', 'sign', 'signalCondition',
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'signif', 'simpleCondition', 'simpleError', 'simpleMessage',
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'simpleWarning', 'simplify2array', 'sin', 'single',
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'sinh', 'sink', 'sink.number', 'slice.index', 'socketConnection',
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'socketSelect', 'solve', 'solve.default', 'solve.qr', 'sort',
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'sort.POSIXlt', 'sort.default', 'sort.int', 'sort.list', 'split',
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'split.Date', 'split.POSIXct', 'split.data.frame', 'split.default',
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'sprintf', 'sqrt', 'srcfile', 'srcfilealias', 'srcfilecopy',
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'srcref', 'standardGeneric', 'stderr', 'stdin', 'stdout', 'stop',
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'stopifnot', 'storage.mode', 'strftime', 'strptime', 'strsplit',
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'strtoi', 'strtrim', 'structure', 'strwrap', 'sub', 'subset',
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'subset.data.frame', 'subset.default', 'subset.matrix',
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'substitute', 'substr', 'substring', 'sum', 'summary',
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'summary.Date', 'summary.POSIXct', 'summary.POSIXlt',
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'summary.connection', 'summary.data.frame', 'summary.default',
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'summary.factor', 'summary.matrix', 'summary.proc_time',
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'summary.srcfile', 'summary.srcref', 'summary.table',
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'suppressMessages', 'suppressPackageStartupMessages',
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'suppressWarnings', 'svd', 'sweep', 'sys.call', 'sys.calls',
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'sys.frame', 'sys.frames', 'sys.function', 'sys.load.image',
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'sys.nframe', 'sys.on.exit', 'sys.parent', 'sys.parents',
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'sys.save.image', 'sys.source', 'sys.status', 'system',
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'system.file', 'system.time', 'system2', 't', 't.data.frame',
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't.default', 'table', 'tabulate', 'tail', 'tan', 'tanh', 'tapply',
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'taskCallbackManager', 'tcrossprod', 'tempdir', 'tempfile',
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'testPlatformEquivalence', 'textConnection', 'textConnectionValue',
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'toString', 'toString.default', 'tolower', 'topenv', 'toupper',
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'trace', 'traceback', 'tracemem', 'tracingState', 'transform',
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'transform.data.frame', 'transform.default', 'trigamma', 'trunc',
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'trunc.Date', 'trunc.POSIXt', 'truncate', 'truncate.connection',
|
|
'try', 'tryCatch', 'typeof', 'unclass', 'undebug', 'union',
|
|
'unique', 'unique.POSIXlt', 'unique.array', 'unique.data.frame',
|
|
'unique.default', 'unique.matrix', 'unique.numeric_version',
|
|
'units', 'units.difftime', 'unix.time', 'unlink', 'unlist',
|
|
'unloadNamespace', 'unlockBinding', 'unname', 'unserialize',
|
|
'unsplit', 'untrace', 'untracemem', 'unz', 'upper.tri', 'url',
|
|
'utf8ToInt', 'vapply', 'version', 'warning', 'warnings', 'weekdays',
|
|
'weekdays.Date', 'weekdays.POSIXt', 'which', 'which.max',
|
|
'which.min', 'with', 'with.default', 'withCallingHandlers',
|
|
'withRestarts', 'withVisible', 'within', 'within.data.frame',
|
|
'within.list', 'write', 'write.dcf', 'writeBin', 'writeChar',
|
|
'writeLines', 'xor', 'xor.hexmode', 'xor.octmode',
|
|
'xpdrows.data.frame', 'xtfrm', 'xtfrm.AsIs', 'xtfrm.Date',
|
|
'xtfrm.POSIXct', 'xtfrm.POSIXlt', 'xtfrm.Surv', 'xtfrm.default',
|
|
'xtfrm.difftime', 'xtfrm.factor', 'xtfrm.numeric_version', 'xzfile',
|
|
'zapsmall'
|
|
)
|
|
|
|
tokens = {
|
|
'comments': [
|
|
(r'#.*$', Comment.Single),
|
|
],
|
|
'valid_name': [
|
|
(r'[a-zA-Z][\w.]*', Text),
|
|
# can begin with ., but not if that is followed by a digit
|
|
(r'\.[a-zA-Z_][\w.]*', Text),
|
|
],
|
|
'punctuation': [
|
|
(r'\[{1,2}|\]{1,2}|\(|\)|;|,', Punctuation),
|
|
],
|
|
'keywords': [
|
|
(words(builtins_base, suffix=r'(?![\w. =])'),
|
|
Keyword.Pseudo),
|
|
(r'(if|else|for|while|repeat|in|next|break|return|switch|function)'
|
|
r'(?![\w.])',
|
|
Keyword.Reserved),
|
|
(r'(array|category|character|complex|double|function|integer|list|'
|
|
r'logical|matrix|numeric|vector|data.frame|c)'
|
|
r'(?![\w.])',
|
|
Keyword.Type),
|
|
(r'(library|require|attach|detach|source)'
|
|
r'(?![\w.])',
|
|
Keyword.Namespace)
|
|
],
|
|
'operators': [
|
|
(r'<<?-|->>?|-|==|<=|>=|<|>|&&?|!=|\|\|?|\?', Operator),
|
|
(r'\*|\+|\^|/|!|%[^%]*%|=|~|\$|@|:{1,3}', Operator)
|
|
],
|
|
'builtin_symbols': [
|
|
(r'(NULL|NA(_(integer|real|complex|character)_)?|'
|
|
r'letters|LETTERS|Inf|TRUE|FALSE|NaN|pi|\.\.(\.|[0-9]+))'
|
|
r'(?![\w.])',
|
|
Keyword.Constant),
|
|
(r'(T|F)\b', Name.Builtin.Pseudo),
|
|
],
|
|
'numbers': [
|
|
# hex number
|
|
(r'0[xX][a-fA-F0-9]+([pP][0-9]+)?[Li]?', Number.Hex),
|
|
# decimal number
|
|
(r'[+-]?([0-9]+(\.[0-9]+)?|\.[0-9]+|\.)([eE][+-]?[0-9]+)?[Li]?',
|
|
Number),
|
|
],
|
|
'statements': [
|
|
include('comments'),
|
|
# whitespaces
|
|
(r'\s+', Text),
|
|
(r'`.*?`', String.Backtick),
|
|
(r'\'', String, 'string_squote'),
|
|
(r'\"', String, 'string_dquote'),
|
|
include('builtin_symbols'),
|
|
include('numbers'),
|
|
include('keywords'),
|
|
include('punctuation'),
|
|
include('operators'),
|
|
include('valid_name'),
|
|
],
|
|
'root': [
|
|
include('statements'),
|
|
# blocks:
|
|
(r'\{|\}', Punctuation),
|
|
# (r'\{', Punctuation, 'block'),
|
|
(r'.', Text),
|
|
],
|
|
# 'block': [
|
|
# include('statements'),
|
|
# ('\{', Punctuation, '#push'),
|
|
# ('\}', Punctuation, '#pop')
|
|
# ],
|
|
'string_squote': [
|
|
(r'([^\'\\]|\\.)*\'', String, '#pop'),
|
|
],
|
|
'string_dquote': [
|
|
(r'([^"\\]|\\.)*"', String, '#pop'),
|
|
],
|
|
}
|
|
|
|
def analyse_text(text):
|
|
if re.search(r'[a-z0-9_\])\s]<-(?!-)', text):
|
|
return 0.11
|
|
|
|
|
|
class RdLexer(RegexLexer):
|
|
"""
|
|
Pygments Lexer for R documentation (Rd) files
|
|
|
|
This is a very minimal implementation, highlighting little more
|
|
than the macros. A description of Rd syntax is found in `Writing R
|
|
Extensions <http://cran.r-project.org/doc/manuals/R-exts.html>`_
|
|
and `Parsing Rd files <developer.r-project.org/parseRd.pdf>`_.
|
|
|
|
.. versionadded:: 1.6
|
|
"""
|
|
name = 'Rd'
|
|
aliases = ['rd']
|
|
filenames = ['*.Rd']
|
|
mimetypes = ['text/x-r-doc']
|
|
|
|
# To account for verbatim / LaTeX-like / and R-like areas
|
|
# would require parsing.
|
|
tokens = {
|
|
'root': [
|
|
# catch escaped brackets and percent sign
|
|
(r'\\[\\{}%]', String.Escape),
|
|
# comments
|
|
(r'%.*$', Comment),
|
|
# special macros with no arguments
|
|
(r'\\(?:cr|l?dots|R|tab)\b', Keyword.Constant),
|
|
# macros
|
|
(r'\\[a-zA-Z]+\b', Keyword),
|
|
# special preprocessor macros
|
|
(r'^\s*#(?:ifn?def|endif).*\b', Comment.Preproc),
|
|
# non-escaped brackets
|
|
(r'[{}]', Name.Builtin),
|
|
# everything else
|
|
(r'[^\\%\n{}]+', Text),
|
|
(r'.', Text),
|
|
]
|
|
}
|