Update runtime files

runtime/syntax/gyp.vim

@@ -0,0 +1,49 @@
+" Vim syntax file
+" Language:	GYP
+" Maintainer:	ObserverOfTime <chronobserver@disroot.org>
+" Filenames:	*.gyp,*.gypi
+" Last Change:	2022 Sep 27
+
+if !exists('g:main_syntax')
+  if exists('b:current_syntax') && b:current_syntax ==# 'gyp'
+    finish
+  endif
+  let g:main_syntax = 'gyp'
+endif
+
+" Based on JSON syntax
+runtime! syntax/json.vim
+
+" Single quotes are allowed
+syn clear jsonStringSQError
+
+syn match jsonKeywordMatch /'\([^']\|\\\'\)\+'[[:blank:]\r\n]*\:/ contains=jsonKeyword
+if has('conceal') && (!exists('g:vim_json_conceal') || g:vim_json_conceal==1)
+   syn region  jsonKeyword matchgroup=jsonQuote start=/'/  end=/'\ze[[:blank:]\r\n]*\:/ concealends contained
+else
+   syn region  jsonKeyword matchgroup=jsonQuote start=/'/  end=/'\ze[[:blank:]\r\n]*\:/ contained
+endif
+
+syn match  jsonStringMatch /'\([^']\|\\\'\)\+'\ze[[:blank:]\r\n]*[,}\]]/ contains=jsonString
+if has('conceal') && (!exists('g:vim_json_conceal') || g:vim_json_conceal==1)
+    syn region  jsonString oneline matchgroup=jsonQuote start=/'/  skip=/\\\\\|\\'/  end=/'/ concealends contains=jsonEscape contained
+else
+    syn region  jsonString oneline matchgroup=jsonQuote start=/'/  skip=/\\\\\|\\'/  end=/'/ contains=jsonEscape contained
+endif
+
+" Trailing commas are allowed
+if !exists('g:vim_json_warnings') || g:vim_json_warnings==1
+    syn clear jsonTrailingCommaError
+endif
+
+" Python-style comments are allowed
+syn match   jsonComment  /#.*$/ contains=jsonTodo,@Spell
+syn keyword jsonTodo     FIXME NOTE TODO XXX TBD contained
+
+hi def link jsonComment Comment
+hi def link jsonTodo    Todo
+
+let b:current_syntax = 'gyp'
+if g:main_syntax ==# 'gyp'
+  unlet g:main_syntax
+endif