Refactor and optimize C/C++ syntax highlights
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" Author: Kenneth Benzie (Benie) <k.benzie83@gmail.com>
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" Last Modified: September 04, 2016
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" Match delimiter expressions: (expr) {expr} : ;
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" ^ ^ ^ ^ ^ ^
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syn match cDelimiter '[()\[\]:;]'
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" Match single character operators, ordering within the [] is important
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syn match cOperator '[\*=\.\^\~+\-,&|!%?]'
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" Match single character operators if they are surrounded by white space: / < >
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" ^ ^ ^
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syn match cOperator '\(\s\zs\/\s\ze\|\s\zs<\s\ze\|\s\zs>\s\ze\)'
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" Match multi character operators
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syn match cOperator '\(+=\|-=\|\*=\|/=\|%=\|\ˆ=\|&=\||=\|<<\|>>\|>>=\)'
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syn match cOperator '\(<<=\|==\|!=\|<=\|>=\|&&\|||\|++\|--\|->\*\|->\)'
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" Match : in ternary operator as cOperator
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syn region cOperatorTernary matchgroup=cOperator start='?' end=':' transparent
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" TODO: Match operator/ operator< operator>
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if !exists('c_no_function')
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" Match function expressions: expr()
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" ^^^^
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syn match cFunction '\w[A-Za-z0-9_]*\ze\s*('
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" Match label expressions: expr:
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" ^^^^
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syn match cLabel '^\s*\w[A-Za-z0-9_]\+\ze::\@!' contains=cppAccess
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syn match cFunction '\a\w*\ze\s*(' display
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" Match Doxygen comments
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let g:c_doxygen = get(g:, 'c_doxygen', 1)
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if exists('g:c_doxygen') && g:c_doxygen
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syn region cDoxygenMarkdownMono oneline start='`' end='`'
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syn match cDoxygenUrl /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/
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syn region cDoxygenComment oneline start='\/\/\/' end='$' contains=cDoxygenMarkdownMono,cDoxygenUrl,@Spell
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syn region cDoxygen oneline matchgroup=cComment start='\/\/\/\s*[\\@]brief\s\+' end='$' contains=cDoxygenMarkdownMono,@Spell
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syn region cDoxygen oneline matchgroup=cComment start='\/\/\/\s*[\\@]tparam\s\+' end='\(\s.*$\|$\)'
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syn region cDoxygen oneline matchgroup=cComment start='\/\/\/\s*[\\@]param\(\[\(\|in\|out\|in,out\)\]\)\=\s\+' end='\(\s.*$\|$\)'
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syn match cDoxygenTodo 'todo' contained
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syn region cComment oneline start='\/\/\/\s*[\\@]\zetodo\s\+' end='$' contains=cDoxygenTodo,@Spell
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hi default link cDoxygenMarkdownMono SpecialComment
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hi default link cDoxygenUrl Underlined
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hi default link cDoxygenComment cComment
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hi default link cDoxygen SpecialComment
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hi default link cDoxygenTodo Todo
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hi default link cFunction Function
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endif
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if !exists('c_no_delimiters')
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" Match delimiter expressions: (expr) {expr} ;
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" ^ ^ ^ ^ ^
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syn match cDelimiter '[()\[\];:]' display
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" Match curly braces with cDelimiter highlight group
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syn region cBlock matchgroup=cDelimiter start="{" end="}" transparent fold
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" Define additional highlight groups
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hi default link cDelimiter Delimiter
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hi default link cFunction Function
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hi link cUserCont Delimiter
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hi default link cDelimiter cUserCont
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endif
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if !exists('c_no_operators')
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" Match: * - . ^ ~ + - , & | ! % ? < > order is important
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" ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
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syn match cOperator '[\*=\.\^\~+\-,&|!%?><]' display
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" Match: / don't override // or /* or */
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" ^
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syn match cOperator '[\*\/]\@<!\/[\*\/]\@!' display
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" Match: (expr) ? true : false;
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" ^ ^
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syn region cOperatorTernary matchgroup=cOperator start='?' end=':' transparent display
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endif
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let g:c_doxygen = get(g:, 'c_doxygen', 1)
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if exists('g:c_doxygen') && g:c_doxygen
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" Match: comment leader
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syn match cDoxygenLeader '^\s*\/\/\/' contained display
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" Match: @param name description.
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" ^^^^
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syn region cDoxygenSpecial matchgroup=cDoxygenComment start='@param\(\[\(\|in\|out\|in,out\)\]\)\=\s\+' end='\(\s\|$\)' contained display
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" Match: @tparam name description.
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" ^^^^
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syn region cDoxygenSpecial matchgroup=cDoxygenComment start='@tparam\s\+' end='\(\s\|$\)' contained display
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" Match: `markdown monospace`
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" ^^^^^^^^^^^^^^^^^^^^
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syn region cDoxygenSpecial start='`' end='`' contained contains=@NoSpell,cDoxygenLeader display
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" Match: @brief Description. @return Description.
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" ^^^^^^^^^^^^ ^^^^^^^^^^^^
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syn region cDoxygenSpecial matchgroup=cDoxygenComment start='@\(brief\|return[s]\?\|attention\)' end='\(^\s*\/\/\/\s*$\|^\(\s*\/\/\/\)\@!\)' contained contains=@Spell,cDoxygenLeader,cDoxygenSpecial display
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" Match: @def MACRO
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" ^^^^^
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syn region cDoxygenSpecial matchgroup=cDoxygenComment start='@def' end='$' contained display
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" Match: something ///< description.
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" ^^^^^^^^^^^^
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syn region cDoxygenSpecial matchgroup=cDoxygenComment oneline start='\/\/\/<' end='$' display
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" Match: @todo description.
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" ^^^^
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syn match cDoxygenTodo '@\zstodo' contained display
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" Match: http://some.url
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" ^^^^^^^^^^^^^^^
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syn match cDoxygenUrl /https\?:\/\/\(\w\+\(:\w\+\)\?@\)\?\([A-Za-z][-_0-9A-Za-z]*\.\)\{1,}\(\w\{2,}\.\?\)\{1,}\(:[0-9]\{1,5}\)\?\S*/ contained display
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" Match: /// Description.
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" ^^^^^^^^^^^^^^^^
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syn region cDoxygenComment fold start='^\s*\/\/\/' end='^\(\s*\/\/\/\)\@!' contains=@Spell,cDoxygenSpecial,cDoxygenTodo,cDoxygenUrl
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hi default link cDoxygenComment cComment
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hi default link cDoxygenLeader cDoxygenComment
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hi default link cDoxygenSpecial SpecialComment
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hi default link cDoxygenTodo Todo
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hi default link cDoxygenUrl Underlined
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endif
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@ -1,37 +0,0 @@
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" Language: C++
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" Description: Additional C++ syntax file.
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" Author: Kenneth Benzie (Benie) k.benzie83@gmail.com
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" Last Modified: September 04, 2016
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" Match delimiter expressions: <expr>, ex::pr
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" ^ ^ ^^
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syn match cppDelimiter '\(<\|>\|::\)'
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" Match keyword logic operators
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syn keyword cppOperator and and_eq bitand bitor compl not not_eq or or_eq xor xor_eq
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" Match keyword operators
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syn keyword cppOperator new delete alignas alignof decltype
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" Match single character operators if they are surrounded by white space: / < >
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" ^ ^ ^
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syn match cppOperator '\(\s\zs\/\s\ze\|\s\zs<\s\ze\|\s\zs>\s\ze\)'
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" Match nested namespace expressions: expr::
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" ^^^^
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syn match cppNestedNameSpecifier '\w[A-Za-z0-9_]*\ze::'
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" Match multi character operators, override cppDelimiter matches for < >
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" ^ ^
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syn match cppOperator '\(<<\ze\s\|\s\zs>>\|>>=\|<<=\|<=\|>=\|->\*\|->\)'
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" Match = delete; as a statement
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" ^^^^^^
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" TODO: For some reason \zs stop this from matching, so the cppEquals hack was
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" added to work around the failure to highlight in that case. This is terrible
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" and a fix needs to be found.
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syn match cppEquals '='
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syn match cppStatement '=\s\+delete\ze\s*;' contains=cppEquals
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hi default link cppEquals cppOperator
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" Define additional highlight groups
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hi default link cppDelimiter Delimiter
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" Override default highlight groups
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hi link cppCast Operator
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hi link cppModifier Statement
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hi link cppNestedNameSpecifier Include
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116
syntax/cpp.vim
Normal file
116
syntax/cpp.vim
Normal file
@ -0,0 +1,116 @@
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" Language: C++
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" Description:
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" Current Maintainer: Kenneth Benzie (Benie) <k.benzie83@gmail.com>
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" Created: December 23, 2016
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" Quit when a syntax file was already loaded
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if exists('b:current_syntax')
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finish
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endif
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" Disable C syntax options to improve performance
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let b:c_no_curly_error = 1
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let b:c_no_bracket_error = 1
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let b:c_no_cformat = 1
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let b:c_no_c11 = 1
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let b:c_no_ansi = 1
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let b:c_no_bsd = 1
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let b:c_gnu = 0
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let b:c_no_operators = 1
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" Read the C syntax to start with
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runtime! syntax/c.vim
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unlet b:current_syntax
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" C++98
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syn keyword cppStatement this friend using
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syn keyword cppAccess public protected private
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syn keyword cppModifier inline virtual explicit export
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syn keyword cppType bool wchar_t
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syn keyword cppExceptions throw try catch
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syn keyword cppOperator new delete typeid and bitor or xor compl bitand and_eq
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\ or_eq xor_eq not not_eq
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if exists('c_no_operators')
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syn keyword cppOperator operator
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endif
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syn keyword cppCast const_cast static_cast dynamic_cast reinterpret_cast
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syn keyword cppStorageClass mutable
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syn keyword cppStructure class typename template namespace
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syn keyword cppBoolean true false
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syn keyword cppConstant __cplusplus
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" C++11
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if !exists('cpp_no_cpp11')
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syn keyword cppModifier override final
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syn keyword cppType char16_t char32_t nullptr_t
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syn keyword cppExceptions noexcept
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syn keyword cppStorageClass constexpr decltype thread_local
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syn keyword cppConstant nullptr
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syn keyword cppOperator alignas alignof decltype static_assert
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syn region cppRawString matchgroup=cppRawStringDelimiter start=+\%(u8\|[uLU]\)\=R"\z([[:alnum:]_{}[\]#<>%:;.?*\+\-/\^&|~!=,"']\{,16}\)(+ end=+)\z1"+ contains=@Spell display
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" Match: = delete; and = default;
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" ^^^^^^ ^^^^^^^
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" Both `delete` and `default` are keywords which normally take precidence,
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" however if the match starts before the beginning of the keyword it will be
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" chosen instead so we can specialze for this case.
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syn match cppStatement '=\s\+\(delete\|default\)\ze\s*;\?' contains=cOperator display
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endif
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" C++14
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if !exists('cpp_no_cpp14')
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syn match cppNumber display '\<0b[01]\+\(u\=l\{0,2}\|ll\=u\)\>'
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endif
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if !exists('cpp_no_delimiters')
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" Match: delimiter expressions: <expr>, ex::pr
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" ^ ^ ^^
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syn match cppDelimiter '\(<\|>\|::\)' display
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" Match: nested namespace expressions: expr::
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" ^^^^
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syn match cppNestedName '\a\w*::' display contains=cppDelimiter
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" Match: label: as a Label and public: protected: private: as a Statement
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" ^^^^^ ^^^^^^ ^^^^^^^^^ ^^^^^^^
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syn match cUserCont "^\s*\I\i*\s*:$" contains=cppAccess display
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hi default link cppDelimiter cDelimiter
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hi default link cppNestedName cInclude
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endif
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if !exists('cpp_no_operators') && !exists('cpp_no_delimiters')
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" Match: single character operators if they are surrounded by white space: / < >
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" ^ ^ ^
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syn match cppOperator '\(\s\zs\/\s\ze\|\s\zs<\s\ze\|\s\zs>\s\ze\)' display
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" Match: <= >= -> << >> <<= >>= ->*
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" ^^ ^^ ^^ ^^ ^^ ^^^ ^^^ ^^^
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syn match cppOperator '\(<=\|>=\|->\|<<\ze\s\|\s\zs>>\|>>=\|<<=\|->\*\)' display
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" Match: operator<< operator>> operator< operator> operator[]
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" ^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^
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" operator new operator delete operator new[] operator delete[]
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" ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^
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syn match cppOperator 'operator\s*\(\/\|<<\|>>\|<\|>\|\(new\|delete\)\?\s*\[\s*\]\)\?' display
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endif
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" Default highlighting
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hi def link cppAccess cppStatement
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hi def link cppCast cppOperator
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hi def link cppExceptions Exception
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hi def link cppOperator Operator
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hi def link cppStatement Statement
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hi def link cppModifier cppStatement
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hi def link cppType Type
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hi def link cppStorageClass StorageClass
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hi def link cppStructure Structure
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hi def link cppBoolean Boolean
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hi def link cppConstant Constant
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hi def link cppRawStringDelimiter Delimiter
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hi def link cppRawString String
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hi def link cppNumber Number
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let b:current_syntax = 'cpp'
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" vim: ts=8
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