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" Vim syntax file
" Language: JSONC (JSON with Comments)
" Original Author: Izhak Jakov <izhak724@gmail.com>
" Acknowledgement: Based off of vim-jsonc maintained by Kevin Locke <kevin@kevinlocke.name>
" https://github.com/kevinoid/vim-jsonc
" License: MIT
" Last Change: 2021-07-01
" Ensure syntax is loaded once, unless nested inside another (main) syntax
" For description of main_syntax, see https://stackoverflow.com/q/16164549
if !exists('g:main_syntax')
if exists('b:current_syntax') && b:current_syntax ==# 'jsonc'
finish
endif
let g:main_syntax = 'jsonc'
endif
" Based on vim-json syntax
runtime! syntax/json.vim
" Remove syntax group for comments treated as errors
if !exists("g:vim_json_warnings") || g:vim_json_warnings
syn clear jsonCommentError
endif
syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze\(\_s*\/\/.*\_s*\)*[}\]]/ contains=jsonString
syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze\_s*\/\*\_.*\*\/\_s*[}\]]/ contains=jsonString
syn match jsonTrailingCommaError /\(,\)\+\ze\(\_s*\/\/.*\_s*\)*[}\]]/
syn match jsonTrailingCommaError /\(,\)\+\ze\_s*\/\*\_.*\*\/\_s*[}\]]/
" Define syntax matching comments and their contents
syn keyword jsonCommentTodo FIXME NOTE TBD TODO XXX
syn region jsonLineComment start=+\/\/+ end=+$+ contains=@Spell,jsonCommentTodo keepend
syn region jsonComment start='/\*' end='\*/' contains=@Spell,jsonCommentTodo fold
" Link comment syntax comment to highlighting
hi! def link jsonLineComment Comment
hi! def link jsonComment Comment
" Set/Unset syntax to avoid duplicate inclusion and correctly handle nesting
let b:current_syntax = 'jsonc'
if g:main_syntax ==# 'jsonc'
unlet g:main_syntax
endif
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