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-rw-r--r--runtime/syntax/jsonc.vim44
1 files changed, 44 insertions, 0 deletions
diff --git a/runtime/syntax/jsonc.vim b/runtime/syntax/jsonc.vim
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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