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annotate runtime/syntax/j.vim @ 5362:ab1508486b12

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Update runtime files. Add support for J.
author Bram Moolenaar <bram@vim.org>
date Sun, 22 Sep 2013 14:42:24 +0200
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children 9521463d4fc1
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5362
ab1508486b12 Update runtime files. Add support for J.
Bram Moolenaar <bram@vim.org>
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1 " Vim syntax file
ab1508486b12 Update runtime files. Add support for J.
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2 " Language: J
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3 " Maintainer: David Bürgin <676c7473@gmail.com>
ab1508486b12 Update runtime files. Add support for J.
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4 " Last Change: 2013-09-21
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5
ab1508486b12 Update runtime files. Add support for J.
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6 if exists("b:current_syntax")
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7 finish
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8 endif
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9
ab1508486b12 Update runtime files. Add support for J.
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10 syntax case match
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11 syntax sync minlines=50
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12
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13 syn match jControl /\<\%(assert\|break\|case\|catch[dt]\=\|continue\|do\|else\%(if\)\=\|end\|fcase\|for\|if\|return\|select\|throw\|try\|whil\%(e\|st\)\)\./
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14 syn match jControl /\<\%(for\|goto\|label\)_\a\k*\./
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15
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16 syn region jString oneline start=/'/ skip=/''/ end=/'/
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17
ab1508486b12 Update runtime files. Add support for J.
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18 " Patterns for numbers in general, rational numbers, numbers with explicit
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19 " base, infinities, and numbers with extended precision.
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20 "
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21 " Matching J numbers is difficult. The regular expression used for the general
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22 " case roughly embodies this grammar sketch:
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23 "
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24 " EXP := /_?\d+(\.\d*)?([eE]_?\d+)?/
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25 " COMP := EXP | EXP (j|a[dr]) EXP
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26 " PIEU := COMP | COMP [px] COMP
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27 "
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28 " For the rest, a compromise between correctness and practicality was made.
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29 " See http://www.jsoftware.com/help/dictionary/dcons.htm for reference.
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30 syn match jNumber /\<_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%(\%(j\|a[dr]\)_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\)\=\%([px]_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\%(\%(j\|a[dr]\)_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=\)\=\)\=/
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31 syn match jNumber /\<_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=r_\=\d\+\%(\.\d*\)\=\%([eE]_\=\d\+\)\=/
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32 syn match jNumber /\<_\=\d\+\%([eE]\d\+\)\=b_\=[0-9a-z]\+/
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33 syn match jNumber /\<__\=\>/
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34 syn match jNumber /\<_\=\d\+x\>/
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35
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36 syn match jComment /NB\..*$/
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37
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38 hi def link jControl Statement
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39 hi def link jString String
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40 hi def link jNumber Number
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41 hi def link jComment Comment
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42
ab1508486b12 Update runtime files. Add support for J.
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43 let b:current_syntax = "j"