vim-polyglot/syntax/gomod.vim
2019-03-29 20:30:36 +01:00

90 lines
4.7 KiB
VimL

if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'go') != -1
finish
endif
" gomod.vim: Vim syntax file for go.mod file
"
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
finish
endif
syntax case match
" match keywords
syntax keyword gomodModule module
syntax keyword gomodRequire require
syntax keyword gomodExclude exclude
syntax keyword gomodReplace replace
" require, exclude and replace can be also grouped into block
syntax region gomodRequire start='require (' end=')' transparent contains=gomodRequire,gomodVersion
syntax region gomodExclude start='exclude (' end=')' transparent contains=gomodExclude,gomodVersion
syntax region gomodReplace start='replace (' end=')' transparent contains=gomodReplace,gomodVersion
" set highlights
highlight default link gomodModule Keyword
highlight default link gomodRequire Keyword
highlight default link gomodExclude Keyword
highlight default link gomodReplace Keyword
" comments are always in form of // ...
syntax region gomodComment start="//" end="$" contains=@Spell
highlight default link gomodComment Comment
" make sure quoted import paths are higlighted
syntax region gomodString start=+"+ skip=+\\\\\|\\"+ end=+"+
highlight default link gomodString String
" replace operator is in the form of '=>'
syntax match gomodReplaceOperator "\v\=\>"
highlight default link gomodReplaceOperator Operator
" 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"