Editor Configuration

Feature/Client	emacs-ccls	vscode-ccls	atom-ide-ccls	eglot	coc.nvim	LanguageClient-neovim	ale	vim-lsp	vim-lsc
hover	✓	✓	✓	✓	✓	✓	✓	✓	✓
Diagnostics	✓	✓	✓	flymake	✓	✓	✓	✓	✓
documentHighlight	✓	✓	✓	✓	✓	✓		✓	✓
signatureHelp	echo area	dropdown	✓	echo area	✓	✓		✓	✓
snippets	✓	✓	✓	✓	✓	with vim-vsnip		with vim-vsnip	with vim-vsnip
codeLens	✓	✓	✓		✓	✓		✓
onTypeFormatting	✓	✓	✓		✓
semanticHighlight	✓	✓	✓		with vim-lsp-cxx-highlight	with vim-lsp-cxx-highlight		with vim-lsp-cxx-highlight
Custom Location[] requests	✓	Partial			✓	✓
Hierarchical Symbol	✓	✓	✓		✓	with vim-ccls	with vim-ccls	with vim-ccls	with vim-ccls

• Atom IDE: atom-ide-ccls
• Emacs: eglot emacs-ccls
• (Neo)Vim: coc.nvim ale LanguageClient-neovim vim-lsp vim-lsc
• VSCode: vscode-ccls
• Monaco Editor: monaco-editor

Custom Location[] requests

ccls supports many cross reference extensions (requests that return Location[] like textDocument/definition), see https://github.com/MaskRay/ccls/wiki/FAQ#definitions and following sections.