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Highlight sigils and operators in Vim. #8251

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Merged
merged 2 commits into from
Aug 4, 2013
Merged

Highlight sigils and operators in Vim. #8251

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44cb1c3
Highlight sigils and operators in Vim.
chris-morgan Aug 3, 2013
ceb6516
Vim highlighting: remove `foreach` keyword
chris-morgan Aug 3, 2013
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29 changes: 23 additions & 6 deletions src/etc/vim/syntax/rust.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
" Maintainer: Patrick Walton <[email protected]>
" Maintainer: Ben Blum <[email protected]>
" Maintainer: Chris Morgan <[email protected]>
" Last Change: 2013 Jul 10
" Last Change: 2013 Aug 1

if version < 600
syntax clear
Expand All @@ -17,7 +17,7 @@ syn keyword rustOperator as
syn match rustAssert "\<assert\(\w\)*!" contained
syn match rustFail "\<fail\(\w\)*!" contained
syn keyword rustKeyword break copy do extern
syn keyword rustKeyword for if impl let log
syn keyword rustKeyword in if impl let log
syn keyword rustKeyword copy do extern
syn keyword rustKeyword for impl let log
syn keyword rustKeyword loop mod once priv pub
Expand Down Expand Up @@ -83,12 +83,26 @@ syn match rustModPathSep "::"
syn match rustFuncCall "\w\(\w\)*("he=e-1,me=e-1
syn match rustFuncCall "\w\(\w\)*::<"he=e-3,me=e-3 " foo::<T>();

" This is merely a convention; note also the use of [A-Z], restricting it to
" latin identifiers rather than the full Unicode uppercase. I have not used
" [:upper:] as it depends upon 'noignorecase'
"syn match rustCapsIdent display "[A-Z]\w\(\w\)*"

syn match rustOperator display "\%(+\|-\|/\|*\|=\|\^\|&\||\|!\|>\|<\|%\)=\?"
" This one isn't *quite* right, as we could have binary-& with a reference
syn match rustSigil display /&\s\+[&~@*][^)= \t\r\n]/he=e-1,me=e-1
syn match rustSigil display /[&~@*][^)= \t\r\n]/he=e-1,me=e-1
" This isn't actually correct; a closure with no arguments can be `|| { }`.
" Last, because the & in && isn't a sigil
syn match rustOperator display "&&\|||"

syn match rustMacro '\w\(\w\)*!' contains=rustAssert,rustFail
syn match rustMacro '#\w\(\w\)*' contains=rustAssert,rustFail

syn match rustFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlLjzt]\|ll\|hh\)\=\([aAbdiuoxXDOUfFeEgGcCsSpn?]\|\[\^\=.[^]]*\]\)" contained
syn match rustFormat display "%%" contained
syn region rustString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=rustTodo,rustFormat
syn match rustSpecial display contained /\\\([nrt\\'"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)/
syn region rustString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=rustTodo,rustFormat,rustSpecial

syn region rustAttribute start="#\[" end="\]" contains=rustString,rustDeriving
syn region rustDeriving start="deriving(" end=")" contained contains=rustTrait
Expand All @@ -114,13 +128,13 @@ syn match rustFloat display "\<[0-9][0-9_]*\.[0-9_]\+\%([eE][+-]\=[0-9
syn match rustFloat display "\<[0-9][0-9_]*\.[0-9_]\+\%([eE][+-]\=[0-9_]\+\)\(f\|f32\|f64\)\>"

" For the benefit of delimitMate
syn region rustLifetimeCandidate display start=/&'\%(\([^'\\]\|\\\(['nrt\\\"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'\)\@!/ end=/[[:cntrl:][:space:][:punct:]]\@=\|$/ contains=rustLifetime
syn region rustLifetimeCandidate display start=/&'\%(\([^'\\]\|\\\(['nrt\\\"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'\)\@!/ end=/[[:cntrl:][:space:][:punct:]]\@=\|$/ contains=rustSigil,rustLifetime
syn region rustGenericRegion display start=/<\%('\|[^[cntrl:][:space:][:punct:]]\)\@=')\S\@=/ end=/>/ contains=rustGenericLifetimeCandidate
syn region rustGenericLifetimeCandidate display start=/\%(<\|,\s*\)\@<='/ end=/[[:cntrl:][:space:][:punct:]]\@=\|$/ contains=rustLifetime
syn region rustGenericLifetimeCandidate display start=/\%(<\|,\s*\)\@<='/ end=/[[:cntrl:][:space:][:punct:]]\@=\|$/ contains=rustSigil,rustLifetime

"rustLifetime must appear before rustCharacter, or chars will get the lifetime highlighting
syn match rustLifetime display "\'\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*"
syn match rustCharacter "'\([^'\\]\|\\\(['nrt\\\"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'"
syn match rustCharacter /'\([^'\\]\|\\\([nrt\\'"]\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'/ contains=rustSpecial

syn region rustCommentML start="/\*" end="\*/" contains=rustTodo
syn region rustComment start="//" skip="\\$" end="$" contains=rustTodo keepend
Expand All @@ -140,7 +154,9 @@ hi def link rustBinNumber rustNumber
hi def link rustIdentifierPrime rustIdentifier
hi def link rustTrait rustType

hi def link rustSigil StorageClass
hi def link rustFormat Special
hi def link rustSpecial Special
hi def link rustString String
hi def link rustCharacter Character
hi def link rustNumber Number
Expand All @@ -152,6 +168,7 @@ hi def link rustOperator Operator
hi def link rustKeyword Keyword
hi def link rustConditional Conditional
hi def link rustIdentifier Identifier
hi def link rustCapsIdent rustIdentifier
hi def link rustModPath Include
hi def link rustModPathSep Delimiter
hi def link rustFuncName Function
Expand Down