albertyw/dotfiles

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files/vim/syntax/gosum.vim

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" gosum.vim: Vim syntax file for go.sum file
"
" Quit when a (custom) syntax file was already loaded
if exists('b:current_syntax')
  finish
endif

syntax case match

" highlight versions:
"  * vX.Y.Z-pre
"  * vX.Y.Z
"  * vX.0.0-yyyyymmddhhmmss-abcdefabcdef
"  * vX.Y.Z-pre.0.yyyymmddhhmmss-abcdefabcdef
"  * vX.Y.(Z+1)-0.yyyymmddhhss-abcdefabcdef
"  see https://godoc.org/golang.org/x/tools/internal/semver for more
"  information about how semantic versions are parsed and
"  https://golang.org/cmd/go/ for how pseudo-versions and +incompatible
"  are applied.


" match vX.Y.Z and their prereleases
syntax match gomodVersion "v\d\+\.\d\+\.\d\+\%(-\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\)\?\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?"
"                          ^--- version ---^^------------ pre-release  ---------------------^^--------------- metadata ---------------------^
"                            ^--------------------------------------- semantic version -------------------------------------------------------^

" match pseudo versions
" without a major version before the commit (e.g.  vX.0.0-yyyymmddhhmmss-abcdefabcdef)
syntax match gomodVersion  "v\d\+\.0\.0-\d\{14\}-\x\+"
" when most recent version before target is a pre-release
syntax match gomodVersion  "v\d\+\.\d\+\.\d\+-\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?\.0\.\d\{14}-\x\+"
"                          ^--- version ---^^--- ------ pre-release -----------------^^--------------- metadata ---------------------^
"                            ^------------------------------------- semantic version --------------------------------------------------^
" most recent version before the target is X.Y.Z
syntax match gomodVersion "v\d\+\.\d\+\.\d\+\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?-0\.\d\{14}-\x\+"
"                          ^--- version ---^^--------------- metadata ---------------------^

" match incompatible vX.Y.Z and their prereleases
syntax match gomodVersion "v[2-9]\{1}\d*\.\d\+\.\d\+\%(-\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\)\?\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?+incompatible"
"                          ^------- version -------^^------------- pre-release ---------------------^^--------------- metadata ---------------------^
"                            ^------------------------------------------- semantic version -----------------------------------------------------------^

" match incompatible pseudo versions
" incompatible without a major version before the commit (e.g.  vX.0.0-yyyymmddhhmmss-abcdefabcdef)
syntax match gomodVersion "v[2-9]\{1}\d*\.0\.0-\d\{14\}-\x\++incompatible"
" when most recent version before target is a pre-release
syntax match gomodVersion "v[2-9]\{1}\d*\.\d\+\.\d\+-\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?\.0\.\d\{14}-\x\++incompatible"
"                          ^------- version -------^^---------- pre-release -----------------^^--------------- metadata ---------------------^
"                            ^---------------------------------------- semantic version ------------------------------------------------------^
" most recent version before the target is X.Y.Z
syntax match gomodVersion "v[2-9]\{1}\d*\.\d\+\.\d\+\%(+\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\)\?-0\.\d\{14}-\x\++incompatible"
"                          ^------- version -------^^---------------- metadata ---------------------^
highlight default link gomodVersion Identifier

let b:current_syntax = 'gomod'