From 3570869c9ae2c4df14b15423789919e514322916 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Wed, 7 Dec 2016 16:49:29 +0100
Subject: Move all lua related files to lua/ subfolder

Also remove the lexers sub directory from the Lua search path.
As a result we attempt to open fewer files during startup:

 $ strace -e open -o log ./vis +q config.h && wc -l log

In order to avoid having to modifiy all lexers which `require('lexer')`
we instead place a symlink in the top level directory.

 $ ./configure --disable-lua
 $ rm -rf lua

Should result in a source tree with most lua specifc functionality
removed.
---
 lexers/gnuplot.lua | 80 ------------------------------------------------------
 1 file changed, 80 deletions(-)
 delete mode 100644 lexers/gnuplot.lua

(limited to 'lexers/gnuplot.lua')

diff --git a/lexers/gnuplot.lua b/lexers/gnuplot.lua
deleted file mode 100644
index 26913db..0000000
--- a/lexers/gnuplot.lua
+++ /dev/null
@@ -1,80 +0,0 @@
--- Copyright 2006-2016 Mitchell mitchell.att.foicica.com. See LICENSE.
--- Gnuplot 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 = 'gnuplot'}
-
--- 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("'")
-local dq_str = l.delimited_range('"')
-local bk_str = l.delimited_range('[]', true)
-local bc_str = l.delimited_range('{}', true)
-local string = token(l.STRING, sq_str + dq_str + bk_str + bc_str)
-
--- Keywords.
-local keyword = token(l.KEYWORD, word_match{
-  'cd', 'call', 'clear', 'exit', 'fit', 'help', 'history', 'if', 'load',
-  'pause', 'plot', 'using', 'with', 'index', 'every', 'smooth', 'thru', 'print',
-  'pwd', 'quit', 'replot', 'reread', 'reset', 'save', 'set', 'show', 'unset',
-  'shell', 'splot', 'system', 'test', 'unset', 'update'
-})
-
--- Functions.
-local func = token(l.FUNCTION, word_match{
-  'abs', 'acos', 'acosh', 'arg', 'asin', 'asinh', 'atan', 'atan2', 'atanh',
-  'besj0', 'besj1', 'besy0', 'besy1', 'ceil', 'cos', 'cosh', 'erf', 'erfc',
-  'exp', 'floor', 'gamma', 'ibeta', 'inverf', 'igamma', 'imag', 'invnorm',
-  'int', 'lambertw', 'lgamma', 'log', 'log10', 'norm', 'rand', 'real', 'sgn',
-  'sin', 'sinh', 'sqrt', 'tan', 'tanh', 'column', 'defined', 'tm_hour',
-  'tm_mday', 'tm_min', 'tm_mon', 'tm_sec', 'tm_wday', 'tm_yday', 'tm_year',
-  'valid'
-})
-
--- Variables.
-local variable = token(l.VARIABLE, word_match{
-  'angles', 'arrow', 'autoscale', 'bars', 'bmargin', 'border', 'boxwidth',
-  'clabel', 'clip', 'cntrparam', 'colorbox', 'contour', 'datafile ',
-  'decimalsign', 'dgrid3d', 'dummy', 'encoding', 'fit', 'fontpath', 'format',
-  'functions', 'function', 'grid', 'hidden3d', 'historysize', 'isosamples',
-  'key', 'label', 'lmargin', 'loadpath', 'locale', 'logscale', 'mapping',
-  'margin', 'mouse', 'multiplot', 'mx2tics', 'mxtics', 'my2tics', 'mytics',
-  'mztics', 'offsets', 'origin', 'output', 'parametric', 'plot', 'pm3d',
-  'palette', 'pointsize', 'polar', 'print', 'rmargin', 'rrange', 'samples',
-  'size', 'style', 'surface', 'terminal', 'tics', 'ticslevel', 'ticscale',
-  'timestamp', 'timefmt', 'title', 'tmargin', 'trange', 'urange', 'variables',
-  'version', 'view', 'vrange', 'x2data', 'x2dtics', 'x2label', 'x2mtics',
-  'x2range', 'x2tics', 'x2zeroaxis', 'xdata', 'xdtics', 'xlabel', 'xmtics',
-  'xrange', 'xtics', 'xzeroaxis', 'y2data', 'y2dtics', 'y2label', 'y2mtics',
-  'y2range', 'y2tics', 'y2zeroaxis', 'ydata', 'ydtics', 'ylabel', 'ymtics',
-  'yrange', 'ytics', 'yzeroaxis', 'zdata', 'zdtics', 'cbdata', 'cbdtics',
-  'zero', 'zeroaxis', 'zlabel', 'zmtics', 'zrange', 'ztics', 'cblabel',
-  'cbmtics', 'cbrange', 'cbtics'
-})
-
--- Identifiers.
-local identifier = token(l.IDENTIFIER, l.word)
-
--- Operators.
-local operator = token(l.OPERATOR, S('-+~!$*%=<>&|^?:()'))
-
-M._rules = {
-  {'whitespace', ws},
-  {'keyword', keyword},
-  {'function', func},
-  {'variable', variable},
-  {'identifier', identifier},
-  {'string', string},
-  {'comment', comment},
-  {'operator', operator},
-}
-
-return M
-- 
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