Hi. Here are some fixes for errors in vim syntax highlight for multi-lined commands found when looking through my .vimrc and other vim sources. I used to keep lines in sources short (78 columns for vim) so i often used line breaks.
The patch against current hg version (also attached):
--- runtime/syntax/vim.vim 2012-11-11 15:56:35.733116733 +0400
+++ runtime/syntax/vim.vim.new 2012-11-11 19:35:46.579257610 +0400
@@ -152,8 +152,8 @@
syn cluster vimOperGroup
contains=vimFunc,vimFuncVar,vimOper,vimOperParen,vimNumber,vimString,vimRegister,vimContinue
syn match vimOper
"\(==\|!=\|>=\|<=\|=\~\|!\~\|>\|<\|=\)[?#]\{0,2}" skipwhite
nextgroup=vimString,vimSpecFile
syn match vimOper "||\|&&\|[-+.]" skipwhite
nextgroup=vimString,vimSpecFile
-syn region vimOperParen oneline matchgroup=vimParenSep start="("
end=")" contains=@vimOperGroup
-syn region vimOperParen oneline matchgroup=vimSep start="{"
end="}" contains=@vimOperGroup nextgroup=vimVar,vimFuncVar
+syn region vimOperParen matchgroup=vimParenSep start="(" end=")"
contains=@vimOperGroup
+syn region vimOperParen matchgroup=vimSep start="{" end="}"
contains=@vimOperGroup nextgroup=vimVar,vimFuncVar
if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_noopererror")
syn match vimOperError ")"
endif
@@ -328,7 +328,7 @@
syn match vimMapBang contained "!" skipwhite
nextgroup=vimMapMod,vimMapLhs
syn match vimMapMod contained
"\c<\(buffer\|expr\|\(local\)\=leader\|plug\|script\|sid\|unique\|silent\)\+>"
contains=vimMapModKey,vimMapModErr skipwhite nextgroup=vimMapMod,vimMapLhs
syn match vimMapRhs contained ".*"
contains=vimNotation,vimCtrlChar skipnl nextgroup=vimMapRhsExtend
-syn match vimMapRhsExtend contained "^\s*\\.*$"
contains=vimContinue
+syn match vimMapRhsExtend contained "^\s*\\.*$"
contains=vimNotation,vimCtrlChar,vimContinue skipnl
nextgroup=vimMapRhsExtend
syn case ignore
syn keyword vimMapModKey contained buffer expr leader
localleader plug script sid silent unique
syn case match
The error cases and explanations:
1. Source:
nmap <silent> ,h :if !exists("w:m1") <Bar><Bar> w:m1 == 0 <Bar>
\ ShowFormatHints <Bar> echo "Show format hints" <Bar> else
<Bar>
\ HideFormatHints <Bar> echo "Hide format hints" <Bar> endif<CR>
What's wrong in highlights:
a. <Bar>'s in second line are not highlighted
b. 3rd line is highlighted differently than vimMapRhs
What's wrong in syntax/vim.vim
a. vimMapRhsExtend must contain same groups as vimRhs, i.e.
vimNotation,vimCtrlChar
b. vimRhsExtend could span more than 1 line, i.e. it should contain 'skipnl
nextgroup=vimMapRhsExtend'
2. Source:
let g:WikiGlobal.nested_syntaxes = {'c': 'c', 'c++': 'cpp', 'perl': 'perl',
\ 'python': 'python', 'sh': 'sh'}
What's wrong in highlights:
area 'c++': 'cpp' wrongly highlighted ( ++ as operator and following it ':
' as string)
What's wrong in syntax/vim.vim:
vimOperParen for "{}" is 'oneline' by some reason, why? This makes no
syntax group for symbols '{' and '}'. Removing 'oneline' makes them
correctly of 'vimSep' group.
3. Source
call add(g:TagMgrTags, map(map(map(split(s:line, '\s*::\s*'),
\ 'substitute(v:val, "^!$", "", "")'),
\ 'substitute(v:val, "\\([*?]\\)", "\\\\\\1", "g")'),
\ 'expand(v:val)'))
What's wrong in highlights:
closing parens ')', ')' and '))' in 2nd, 3rd and 4th lines respectively are
highlighted with red (vimOperError)
What's wrong in syntax/vim.vim:
same as in the case 2., only for "()" parens. Why they should be 'oneline'?
Cheers, Alexey.
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vim_syntax-20121111.patch
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