cpp.vim

syn keyword  cType  u_int8_t u_int16_t u_int32_t u_int64_t

" unicode operators
syn match cppOperator "<="     conceal cchar=≤
syn match cppOperator ">="     conceal cchar=≥
syn match cppOperator "!"      conceal cchar=¬
syn match cppOperator "!="     conceal cchar=≠
syn match cppOperator "="      conceal cchar=←
syn match cppOperator "=="     conceal cchar==
syn match cppOperator "\."     conceal cchar=·
syn match cppOperator "\.\.\." conceal cchar=…
syn match cppOperator "->"     conceal cchar=→
syn match cppOperator "&&"     conceal cchar=∧
syn match cppOperator "||"     conceal cchar=∨
syn match cppOperator "*"      conceal cchar=∗
syn match cppOperator "/"      conceal cchar=÷
syn match cppOperator "::"     conceal cchar=﹕
" symbolic constants
syn keyword cppConstant nullptr conceal cchar=∅
syn keyword cppConstant NULL    conceal cchar=∅
syn keyword cppConstant true    conceal cchar=⊤
syn keyword cppConstant false   conceal cchar=⊥
" re-instate comments
syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell
syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend
syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend
" re-assign some colors
hi Number      ctermfg=blue
hi Constant    ctermfg=blue
hi Float       ctermfg=blue
hi Boolean     ctermfg=blue
hi Character   ctermfg=blue

hi link cppOperator Operator
hi link cppStatement Statement
hi link cppKeyword Keyword
hi! link Conceal Operator

set conceallevel=1