| " dockerfile.vim - Syntax highlighting for Dockerfiles |
| " Maintainer: Honza Pokorny <https://honza.ca> |
| " Last Change: 2024 Dec 20 |
| " License: BSD |
| |
| " https://docs.docker.com/engine/reference/builder/ |
| |
| if exists("b:current_syntax") |
| finish |
| endif |
| |
| syntax include @JSON syntax/json.vim |
| unlet b:current_syntax |
| |
| syntax include @Shell syntax/sh.vim |
| unlet b:current_syntax |
| |
| syntax case ignore |
| syntax match dockerfileLinePrefix /\v^\s*(ONBUILD\s+)?\ze\S/ contains=dockerfileKeyword nextgroup=dockerfileInstruction skipwhite |
| syntax region dockerfileFrom matchgroup=dockerfileKeyword start=/\v^\s*(FROM)\ze(\s|$)/ skip=/\v\\\_./ end=/\v((^|\s)AS(\s|$)|$)/ contains=dockerfileOption |
| |
| syntax keyword dockerfileKeyword contained ADD ARG CMD COPY ENTRYPOINT ENV EXPOSE HEALTHCHECK LABEL MAINTAINER ONBUILD RUN SHELL STOPSIGNAL USER VOLUME WORKDIR |
| syntax match dockerfileOption contained /\v(^|\s)\zs--\S+/ |
| |
| syntax match dockerfileInstruction contained /\v<(\S+)>(\s+--\S+)*/ contains=dockerfileKeyword,dockerfileOption skipwhite nextgroup=dockerfileValue |
| syntax match dockerfileInstruction contained /\v<(ADD|COPY)>(\s+--\S+)*/ contains=dockerfileKeyword,dockerfileOption skipwhite nextgroup=dockerfileJSON |
| syntax match dockerfileInstruction contained /\v<(HEALTHCHECK)>(\s+--\S+)*/ contains=dockerfileKeyword,dockerfileOption skipwhite nextgroup=dockerfileInstruction |
| syntax match dockerfileInstruction contained /\v<(CMD|ENTRYPOINT|RUN)>/ contains=dockerfileKeyword skipwhite nextgroup=dockerfileShell |
| syntax match dockerfileInstruction contained /\v<(CMD|ENTRYPOINT|RUN)>\ze\s+\[/ contains=dockerfileKeyword skipwhite nextgroup=dockerfileJSON |
| syntax match dockerfileInstruction contained /\v<(SHELL|VOLUME)>/ contains=dockerfileKeyword skipwhite nextgroup=dockerfileJSON |
| |
| syntax region dockerfileString contained start=/\v"/ skip=/\v\\./ end=/\v"/ |
| syntax region dockerfileJSON contained keepend start=/\v\[/ skip=/\v\\\_./ end=/\v$/ contains=@JSON |
| syntax region dockerfileShell contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=@Shell |
| syntax region dockerfileValue contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=dockerfileString |
| |
| syntax region dockerfileComment start=/\v^\s*#/ end=/\v$/ contains=@Spell |
| |
| hi def link dockerfileString String |
| hi def link dockerfileKeyword Keyword |
| hi def link dockerfileComment Comment |
| hi def link dockerfileOption Special |
| |
| let b:current_syntax = "dockerfile" |