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syntax: improve highlighting of erroneous numerics #2571

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Nov 10, 2019
Merged

syntax: improve highlighting of erroneous numerics #2571

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6 changes: 4 additions & 2 deletions syntax/go.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -164,13 +164,15 @@ syn match goSingleDecl /\%(import\|var\|const\) [^(]\@=/ contains=g
" Integers
syn match goDecimalInt "\<-\=\d\+\%([Ee][-+]\=\d\+\)\=\>"
syn match goHexadecimalInt "\<-\=0[xX]\x\+\>"
syn match goHexadecimalError "\<-\=0[xX]\x*[^ \t0-9A-Fa-f]\S*\>"
syn match goOctalInt "\<-\=0\o\+\>"
syn match goOctalError "\<-\=0\o*[89]\d*\>"
syn match goOctalError "\<-\=0[^XxBb]\o*[^ \t0-7]\S*\>"
syn match goBinaryInt "\<-\=0[bB][01]\+\>"
syn match goBinaryError "\<-\=0[bB][01]*[2-9]\+[01]*\>"
syn match goBinaryError "\<-\=0[bB][01]*[^ \t01]\S*\>"

hi def link goDecimalInt Integer
hi def link goHexadecimalInt Integer
hi def link goHexadecimalError Error
hi def link goOctalInt Integer
hi def link goOctalError Error
hi def link goBinaryInt Integer
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