Mercurial > vim
annotate runtime/syntax/nroff.vim @ 13908:b7ca1a8db3e8 v8.0.1825
patch 8.0.1825: might use NULL pointer when out of memory
commit https://github.com/vim/vim/commit/dd1d7be4e6691f447667a8217844a3b2561203be
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat May 12 21:34:58 2018 +0200
patch 8.0.1825: might use NULL pointer when out of memory
Problem: Might use NULL pointer when out of memory. (Coverity)
Solution: Handle NULL pointer better.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 12 May 2018 21:45:05 +0200 |
| parents | 46763b01cd9a |
| children | 5b7ea82bc18f |
| rev | line source |
|---|---|
| 7 | 1 " VIM syntax file |
| 2 " Language: nroff/groff | |
| 3312 | 3 " Maintainer: Pedro Alejandro López-Valencia <palopezv@gmail.com> |
| 4 " URL: http://vorbote.wordpress.com/ | |
| 5 " Last Change: 2012 Feb 2 | |
| 7 | 6 " |
| 7 " {{{1 Acknowledgements | |
| 8 " | |
| 9 " ACKNOWLEDGEMENTS: | |
| 10 " | |
| 11 " My thanks to Jérôme Plût <Jerome.Plut@ens.fr>, who was the | |
| 12 " creator and maintainer of this syntax file for several years. | |
| 13 " May I be as good at it as he has been. | |
| 14 " | |
| 15 " {{{1 Todo | |
| 16 " | |
| 17 " TODO: | |
| 18 " | |
| 19 " * Write syntax highlighting files for the preprocessors, | |
| 20 " and integrate with nroff.vim. | |
| 21 " | |
| 22 " | |
| 23 " {{{1 Start syntax highlighting. | |
| 24 " | |
|
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
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diff
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25 " quit when a syntax file was already loaded |
| 7 | 26 " |
|
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43efa4f5a8ea
commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
3312
diff
changeset
|
27 if exists("b:current_syntax") |
| 7 | 28 finish |
| 29 endif | |
| 30 | |
| 3312 | 31 let s:cpo_save = &cpo |
| 32 set cpo&vim | |
| 33 | |
| 7 | 34 " |
| 35 " {{{1 plugin settings... | |
| 36 " | |
| 37 " {{{2 enable spacing error highlighting | |
| 38 " | |
| 39 if exists("nroff_space_errors") | |
| 40 syn match nroffError /\s\+$/ | |
| 41 syn match nroffSpaceError /[.,:;!?]\s\{2,}/ | |
| 42 endif | |
| 43 " | |
| 44 " | |
| 45 " {{{1 Special file settings | |
| 46 " | |
| 47 " {{{2 ms exdented paragraphs are not in the default paragraphs list. | |
| 48 " | |
| 49 setlocal paragraphs+=XP | |
| 50 " | |
| 51 " {{{2 Activate navigation to preporcessor sections. | |
| 52 " | |
| 53 if exists("b:preprocs_as_sections") | |
| 54 setlocal sections=EQTSPS[\ G1GS | |
| 55 endif | |
| 56 | |
| 57 " {{{1 Escape sequences | |
| 58 " ------------------------------------------------------------ | |
| 59 | |
| 60 syn match nroffEscChar /\\[CN]/ nextgroup=nroffEscCharArg | |
| 61 syn match nroffEscape /\\[*fgmnYV]/ nextgroup=nroffEscRegPar,nroffEscRegArg | |
| 62 syn match nroffEscape /\\s[+-]\=/ nextgroup=nroffSize | |
| 63 syn match nroffEscape /\\[$AbDhlLRvxXZ]/ nextgroup=nroffEscPar,nroffEscArg | |
| 64 | |
| 65 syn match nroffEscRegArg /./ contained | |
| 66 syn match nroffEscRegArg2 /../ contained | |
| 67 syn match nroffEscRegPar /(/ contained nextgroup=nroffEscRegArg2 | |
| 68 syn match nroffEscArg /./ contained | |
| 69 syn match nroffEscArg2 /../ contained | |
| 70 syn match nroffEscPar /(/ contained nextgroup=nroffEscArg2 | |
| 71 syn match nroffSize /\((\d\)\=\d/ contained | |
| 72 | |
| 73 syn region nroffEscCharArg start=/'/ end=/'/ contained | |
| 74 syn region nroffEscArg start=/'/ end=/'/ contained contains=nroffEscape,@nroffSpecial | |
| 75 | |
| 76 if exists("b:nroff_is_groff") | |
| 77 syn region nroffEscRegArg matchgroup=nroffEscape start=/\[/ end=/\]/ contained oneline | |
| 78 syn region nroffSize matchgroup=nroffEscape start=/\[/ end=/\]/ contained | |
| 79 endif | |
| 80 | |
| 81 syn match nroffEscape /\\[adprtu{}]/ | |
| 82 syn match nroffEscape /\\$/ | |
| 83 syn match nroffEscape /\\\$[@*]/ | |
| 84 | |
| 85 " {{{1 Strings and special characters | |
| 86 " ------------------------------------------------------------ | |
| 87 | |
| 88 syn match nroffSpecialChar /\\[\\eE?!-]/ | |
| 89 syn match nroffSpace "\\[&%~|^0)/,]" | |
| 90 syn match nroffSpecialChar /\\(../ | |
| 91 | |
| 92 if exists("b:nroff_is_groff") | |
| 93 syn match nroffSpecialChar /\\\[[^]]*]/ | |
| 94 syn region nroffPreserve matchgroup=nroffSpecialChar start=/\\?/ end=/\\?/ oneline | |
| 95 endif | |
| 96 | |
| 97 syn region nroffPreserve matchgroup=nroffSpecialChar start=/\\!/ end=/$/ oneline | |
| 98 | |
| 99 syn cluster nroffSpecial contains=nroffSpecialChar,nroffSpace | |
| 100 | |
| 101 | |
| 102 syn region nroffString start=/"/ end=/"/ skip=/\\$/ contains=nroffEscape,@nroffSpecial contained | |
| 103 syn region nroffString start=/'/ end=/'/ skip=/\\$/ contains=nroffEscape,@nroffSpecial contained | |
| 104 | |
| 105 | |
| 106 " {{{1 Numbers and units | |
| 107 " ------------------------------------------------------------ | |
| 108 syn match nroffNumBlock /[0-9.]\a\=/ contained contains=nroffNumber | |
| 109 syn match nroffNumber /\d\+\(\.\d*\)\=/ contained nextgroup=nroffUnit,nroffBadChar | |
| 110 syn match nroffNumber /\.\d\+)/ contained nextgroup=nroffUnit,nroffBadChar | |
| 111 syn match nroffBadChar /./ contained | |
| 112 syn match nroffUnit /[icpPszmnvMu]/ contained | |
| 113 | |
| 114 | |
| 115 " {{{1 Requests | |
| 116 " ------------------------------------------------------------ | |
| 117 | |
| 118 " Requests begin with . or ' at the beginning of a line, or | |
| 119 " after .if or .ie. | |
| 120 | |
| 121 syn match nroffReqLeader /^[.']/ nextgroup=nroffReqName skipwhite | |
| 122 syn match nroffReqLeader /[.']/ contained nextgroup=nroffReqName skipwhite | |
| 123 | |
| 124 if exists("b:nroff_is_groff") | |
| 125 " | |
| 126 " GNU troff allows long request names | |
| 127 " | |
| 829 | 128 syn match nroffReqName /[^\t \\\[?]\+/ contained nextgroup=nroffReqArg |
| 7 | 129 else |
| 130 syn match nroffReqName /[^\t \\\[?]\{1,2}/ contained nextgroup=nroffReqArg | |
| 131 endif | |
| 132 | |
| 829 | 133 syn region nroffReqArg start=/\S/ skip=/\\$/ end=/$/ contained contains=nroffEscape,@nroffSpecial,nroffString,nroffError,nroffSpaceError,nroffNumBlock,nroffComment |
| 7 | 134 |
| 135 " {{{2 Conditional: .if .ie .el | |
| 136 syn match nroffReqName /\(if\|ie\)/ contained nextgroup=nroffCond skipwhite | |
| 137 syn match nroffReqName /el/ contained nextgroup=nroffReqLeader skipwhite | |
| 138 syn match nroffCond /\S\+/ contained nextgroup=nroffReqLeader skipwhite | |
| 139 | |
| 140 " {{{2 String definition: .ds .as | |
| 141 syn match nroffReqname /[da]s/ contained nextgroup=nroffDefIdent skipwhite | |
| 142 syn match nroffDefIdent /\S\+/ contained nextgroup=nroffDefinition skipwhite | |
| 143 syn region nroffDefinition matchgroup=nroffSpecialChar start=/"/ matchgroup=NONE end=/\\"/me=e-2 skip=/\\$/ start=/\S/ end=/$/ contained contains=nroffDefSpecial | |
| 144 syn match nroffDefSpecial /\\$/ contained | |
| 145 syn match nroffDefSpecial /\\\((.\)\=./ contained | |
| 146 | |
| 147 if exists("b:nroff_is_groff") | |
| 148 syn match nroffDefSpecial /\\\[[^]]*]/ contained | |
| 149 endif | |
| 150 | |
| 151 " {{{2 Macro definition: .de .am, also diversion: .di | |
| 152 syn match nroffReqName /\(d[ei]\|am\)/ contained nextgroup=nroffIdent skipwhite | |
| 153 syn match nroffIdent /[^[?( \t]\+/ contained | |
| 154 if exists("b:nroff_is_groff") | |
| 155 syn match nroffReqName /als/ contained nextgroup=nroffIdent skipwhite | |
| 156 endif | |
| 157 | |
| 158 " {{{2 Register definition: .rn .rr | |
| 159 syn match nroffReqName /[rn]r/ contained nextgroup=nroffIdent skipwhite | |
| 160 if exists("b:nroff_is_groff") | |
| 161 syn match nroffReqName /\(rnn\|aln\)/ contained nextgroup=nroffIdent skipwhite | |
| 162 endif | |
| 163 | |
| 164 | |
| 165 " {{{1 eqn/tbl/pic | |
| 166 " ------------------------------------------------------------ | |
| 167 " <jp> | |
| 168 " XXX: write proper syntax highlight for eqn / tbl / pic ? | |
| 169 " <jp /> | |
| 170 | |
| 171 syn region nroffEquation start=/^\.\s*EQ\>/ end=/^\.\s*EN\>/ | |
| 172 syn region nroffTable start=/^\.\s*TS\>/ end=/^\.\s*TE\>/ | |
| 173 syn region nroffPicture start=/^\.\s*PS\>/ end=/^\.\s*PE\>/ | |
| 174 syn region nroffRefer start=/^\.\s*\[\>/ end=/^\.\s*\]\>/ | |
| 175 syn region nroffGrap start=/^\.\s*G1\>/ end=/^\.\s*G2\>/ | |
| 176 syn region nroffGremlin start=/^\.\s*GS\>/ end=/^\.\s*GE|GF\>/ | |
| 177 | |
| 178 " {{{1 Comments | |
| 179 " ------------------------------------------------------------ | |
| 180 | |
| 181 syn region nroffIgnore start=/^[.']\s*ig/ end=/^['.]\s*\./ | |
| 182 syn match nroffComment /\(^[.']\s*\)\=\\".*/ contains=nroffTodo | |
| 183 syn match nroffComment /^'''.*/ contains=nroffTodo | |
| 184 | |
| 185 if exists("b:nroff_is_groff") | |
| 186 syn match nroffComment "\\#.*$" contains=nroffTodo | |
| 187 endif | |
| 188 | |
| 189 syn keyword nroffTodo TODO XXX FIXME contained | |
| 190 | |
| 191 " {{{1 Hilighting | |
| 192 " ------------------------------------------------------------ | |
| 193 " | |
| 194 | |
| 195 " | |
| 196 " Define the default highlighting. | |
|
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commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
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diff
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197 " Only when an item doesn't have highlighting yet |
| 7 | 198 " |
| 199 | |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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200 hi def link nroffEscChar nroffSpecialChar |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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201 hi def link nroffEscCharAr nroffSpecialChar |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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202 hi def link nroffSpecialChar SpecialChar |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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203 hi def link nroffSpace Delimiter |
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43efa4f5a8ea
commit https://github.com/vim/vim/commit/89bcfda6834aba724d12554a34b9ed49f5789fd5
Christian Brabandt <cb@256bit.org>
parents:
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204 |
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10051
46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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205 hi def link nroffEscRegArg2 nroffEscRegArg |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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206 hi def link nroffEscRegArg nroffIdent |
| 7 | 207 |
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10051
46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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208 hi def link nroffEscArg2 nroffEscArg |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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209 hi def link nroffEscPar nroffEscape |
| 7 | 210 |
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10051
46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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211 hi def link nroffEscRegPar nroffEscape |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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212 hi def link nroffEscArg nroffEscape |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
10048
diff
changeset
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213 hi def link nroffSize nroffEscape |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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214 hi def link nroffEscape Preproc |
| 7 | 215 |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
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216 hi def link nroffIgnore Comment |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
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217 hi def link nroffComment Comment |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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218 hi def link nroffTodo Todo |
| 7 | 219 |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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220 hi def link nroffReqLeader nroffRequest |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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221 hi def link nroffReqName nroffRequest |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
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222 hi def link nroffRequest Statement |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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223 hi def link nroffCond PreCondit |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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224 hi def link nroffDefIdent nroffIdent |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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diff
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225 hi def link nroffIdent Identifier |
| 7 | 226 |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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227 hi def link nroffEquation PreProc |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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228 hi def link nroffTable PreProc |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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diff
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229 hi def link nroffPicture PreProc |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
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230 hi def link nroffRefer PreProc |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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231 hi def link nroffGrap PreProc |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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232 hi def link nroffGremlin PreProc |
| 7 | 233 |
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commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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234 hi def link nroffNumber Number |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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235 hi def link nroffBadChar nroffError |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
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parents:
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236 hi def link nroffSpaceError nroffError |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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237 hi def link nroffError Error |
| 7 | 238 |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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239 hi def link nroffPreserve String |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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240 hi def link nroffString String |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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241 hi def link nroffDefinition String |
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46763b01cd9a
commit https://github.com/vim/vim/commit/f37506f60f87d52a9e8850e30067645e2b13783c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
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242 hi def link nroffDefSpecial Special |
| 7 | 243 |
| 244 | |
| 245 let b:current_syntax = "nroff" | |
| 246 | |
| 3312 | 247 let &cpo = s:cpo_save |
| 248 unlet s:cpo_save | |
| 7 | 249 " vim600: set fdm=marker fdl=2: |