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-rw-r--r--lexers/rstats.lua53
1 files changed, 0 insertions, 53 deletions
diff --git a/lexers/rstats.lua b/lexers/rstats.lua
deleted file mode 100644
index 19e43e8..0000000
--- a/lexers/rstats.lua
+++ /dev/null
@@ -1,53 +0,0 @@
--- Copyright 2006-2016 Mitchell mitchell.att.foicica.com. See LICENSE.
--- R LPeg lexer.
-
-local l = require('lexer')
-local token, word_match = l.token, l.word_match
-local P, R, S = lpeg.P, lpeg.R, lpeg.S
-
-local M = {_NAME = 'rstats'}
-
--- Whitespace.
-local ws = token(l.WHITESPACE, l.space^1)
-
--- Comments.
-local comment = token(l.COMMENT, '#' * l.nonnewline^0)
-
--- Strings.
-local sq_str = l.delimited_range("'", true)
-local dq_str = l.delimited_range('"', true)
-local string = token(l.STRING, sq_str + dq_str)
-
--- Numbers.
-local number = token(l.NUMBER, (l.float + l.integer) * P('i')^-1)
-
--- Keywords.
-local keyword = token(l.KEYWORD, word_match{
- 'break', 'else', 'for', 'if', 'in', 'next', 'repeat', 'return', 'switch',
- 'try', 'while', 'Inf', 'NA', 'NaN', 'NULL', 'FALSE', 'TRUE'
-})
-
--- Types.
-local type = token(l.TYPE, word_match{
- 'array', 'character', 'complex', 'data.frame', 'double', 'factor', 'function',
- 'integer', 'list', 'logical', 'matrix', 'numeric', 'vector'
-})
-
--- Identifiers.
-local identifier = token(l.IDENTIFIER, l.word)
-
--- Operators.
-local operator = token(l.OPERATOR, S('<->+*/^=.,:;|$()[]{}'))
-
-M._rules = {
- {'whitespace', ws},
- {'keyword', keyword},
- {'type', type},
- {'identifier', identifier},
- {'string', string},
- {'comment', comment},
- {'number', number},
- {'operator', operator},
-}
-
-return M