ccls

ccls, which originates from cquery, is a C/C++/Objective-C language server.

• code completion (with both signature help and snippets)
• definition/references, and other cross references
• cross reference extensions: $ccls/call $ccls/inheritance $ccls/member $ccls/vars ...
• formatting
• hierarchies: call (caller/callee) hierarchy, inheritance (base/derived) hierarchy, member hierarchy
• symbol rename
• document symbols and approximate search of workspace symbol
• hover information
• diagnostics and code actions (clang FixIts)
• semantic highlighting and preprocessor skipped regions
• semantic navigation: $ccls/navigate