108 lines
5.7 KiB
VimL
108 lines
5.7 KiB
VimL
" gomod.vim: Vim syntax file for go.mod file
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"
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" Quit when a (custom) syntax file was already loaded
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if exists("b:current_syntax")
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finish
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endif
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syntax case match
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" Reference documentation:
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" https://golang.org/ref/mod#go-mod-file-grammar
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" match keywords
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syntax keyword gomodModule module
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syntax keyword gomodGo go contained
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syntax keyword gomodRequire require
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syntax keyword gomodExclude exclude
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syntax keyword gomodReplace replace
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syntax keyword gomodRetract retract
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" require, exclude, replace, and go can be also grouped into block
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syntax region gomodRequire start='require (' end=')' transparent contains=gomodRequire,gomodVersion
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syntax region gomodExclude start='exclude (' end=')' transparent contains=gomodExclude,gomodVersion
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syntax region gomodReplace start='replace (' end=')' transparent contains=gomodReplace,gomodVersion
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syntax region gomodRetract start='retract (' end=')' transparent contains=gomodVersionRange,gomodVersion
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syntax match gomodGo '^go .*$' transparent contains=gomodGo,gomodGoVersion
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" set highlights
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highlight default link gomodModule Keyword
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highlight default link gomodGo Keyword
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highlight default link gomodRequire Keyword
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highlight default link gomodExclude Keyword
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highlight default link gomodReplace Keyword
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highlight default link gomodRetract Keyword
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" comments are always in form of // ...
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syntax region gomodComment start="//" end="$" contains=@Spell
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highlight default link gomodComment Comment
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" make sure quoted import paths are higlighted
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syntax region gomodString start=+"+ skip=+\\\\\|\\"+ end=+"+
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highlight default link gomodString String
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" replace operator is in the form of '=>'
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syntax match gomodReplaceOperator "\v\=\>"
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highlight default link gomodReplaceOperator Operator
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" match go versions
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syntax match gomodGoVersion "1\.\d\+" contained
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highlight default link gomodGoVersion Identifier
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" highlight versions:
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" * vX.Y.Z-pre
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" * vX.Y.Z
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" * vX.0.0-yyyyymmddhhmmss-abcdefabcdef
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" * vX.Y.Z-pre.0.yyyymmddhhmmss-abcdefabcdef
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" * vX.Y.(Z+1)-0.yyyymmddhhss-abcdefabcdef
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" see https://godoc.org/golang.org/x/tools/internal/semver for more
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" information about how semantic versions are parsed and
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" https://golang.org/cmd/go/ for how pseudo-versions and +incompatible
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" are applied.
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" match vX.Y.Z and their prereleases
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syntax match gomodVersion "v\d\+\.\d\+\.\d\+\%(-\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\)\?\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?"
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" ^--- version ---^^------------ pre-release ---------------------^^--------------- metadata ---------------------^
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" ^--------------------------------------- semantic version -------------------------------------------------------^
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" match pseudo versions
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" without a major version before the commit (e.g. vX.0.0-yyyymmddhhmmss-abcdefabcdef)
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syntax match gomodVersion "v\d\+\.0\.0-\d\{14\}-\x\+"
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" when most recent version before target is a pre-release
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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\+"
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" ^--- version ---^^--- ------ pre-release -----------------^^--------------- metadata ---------------------^
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" ^------------------------------------- semantic version --------------------------------------------------^
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" most recent version before the target is X.Y.Z
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syntax match gomodVersion "v\d\+\.\d\+\.\d\+\%(+\%([0-9A-Za-z-]\+\)\(\.[0-9A-Za-z-]\+\)*\)\?-0\.\d\{14}-\x\+"
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" ^--- version ---^^--------------- metadata ---------------------^
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" match incompatible vX.Y.Z and their prereleases
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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"
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" ^------- version -------^^------------- pre-release ---------------------^^--------------- metadata ---------------------^
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" ^------------------------------------------- semantic version -----------------------------------------------------------^
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" match incompatible pseudo versions
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" incompatible without a major version before the commit (e.g. vX.0.0-yyyymmddhhmmss-abcdefabcdef)
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syntax match gomodVersion "v[2-9]\{1}\d*\.0\.0-\d\{14\}-\x\++incompatible"
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" when most recent version before target is a pre-release
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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"
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" ^------- version -------^^---------- pre-release -----------------^^--------------- metadata ---------------------^
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" ^---------------------------------------- semantic version ------------------------------------------------------^
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" most recent version before the target is X.Y.Z
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syntax match gomodVersion "v[2-9]\{1}\d*\.\d\+\.\d\+\%(+\%([0-9A-Za-z-]\+\)\%(\.[0-9A-Za-z-]\+\)*\)\?-0\.\d\{14}-\x\++incompatible"
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" ^------- version -------^^---------------- metadata ---------------------^
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highlight default link gomodVersion Identifier
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" match go version ranges in retract directive
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" https://golang.org/ref/mod#go-mod-file-retract
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syntax region gomodVersionRange start="\[" end="\]" transparent matchgroup=gomodVersionRangeBracket contains=gomodVersion,gomodVersionRangeSeparator
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highlight default link gomodVersionRange Operator
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syntax match gomodVersionRangeBracket "\[" contained
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syntax match gomodVersionRangeBracket "\]" contained
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highlight default link gomodVersionRangeBracket Operator
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syntax match gomodVersionRangeSeparator "," contained
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highlight default link gomodVersionRangeSeparator Operator
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let b:current_syntax = "gomod"
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