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https://github.com/maskray/ccls

C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting
https://github.com/maskray/ccls

cpp ide language-server-protocol lsp-server

Last synced: 3 days ago
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C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting

Host: GitHub
URL: https://github.com/maskray/ccls
Owner: MaskRay
License: apache-2.0
Created: 2018-03-31T06:47:05.000Z (over 6 years ago)
Default Branch: master
Last Pushed: 2024-09-30T04:56:32.000Z (3 days ago)
Last Synced: 2024-09-30T07:24:12.733Z (3 days ago)
Topics: cpp, ide, language-server-protocol, lsp-server
Language: C++
Homepage:
Size: 4.54 MB
Stars: 3,738
Watchers: 82
Forks: 255
Open Issues: 189
Metadata Files:
- Readme: README.md
- License: LICENSE

Awesome Lists containing this project

README

        # ccls

[![Telegram](https://img.shields.io/badge/[email protected])](https://telegram.me/ccls_lsp)

[![Gitter](https://img.shields.io/badge/gitter-ccls--project-blue.svg?logo=gitter-white)](https://gitter.im/ccls-project/ccls)

ccls, which originates from [cquery](https://github.com/cquery-project/cquery), is a C/C++/Objective-C language server.

  * code completion (with both signature help and snippets)

  * [definition](src/messages/textDocument_definition.cc)/[references](src/messages/textDocument_references.cc), and other cross references

  * cross reference extensions: `$ccls/call` `$ccls/inheritance` `$ccls/member` `$ccls/vars` ...

  * formatting

  * hierarchies: [call (caller/callee) hierarchy](src/messages/ccls_call.cc), [inheritance (base/derived) hierarchy](src/messages/ccls_inheritance.cc), [member hierarchy](src/messages/ccls_member.cc)

  * [symbol rename](src/messages/textDocument_rename.cc)

  * [document symbols](src/messages/textDocument_document.cc) and approximate search of [workspace symbol](src/messages/workspace.cc)

  * [hover information](src/messages/textDocument_hover.cc)

  * diagnostics and code actions (clang FixIts)

  * semantic highlighting and preprocessor skipped regions

  * semantic navigation: `$ccls/navigate`

It has a global view of the code base and support a lot of cross reference features, see [wiki/FAQ](../../wiki/FAQ).

It starts indexing the whole project (including subprojects if exist) parallelly when you open the first file, while the main thread can serve requests before the indexing is complete.

Saving files will incrementally update the index.

# >>> [Getting started](../../wiki/Home) (CLICK HERE) <<<

* [Build](../../wiki/Build)

* [FAQ](../../wiki/FAQ)

ccls can index itself (~180MiB RSS when idle, noted on 2018-09-01), FreeBSD, glibc, Linux, LLVM (~1800MiB RSS), musl (~60MiB RSS), ... with decent memory footprint. See [wiki/Project-Setup](../../wiki/Project-Setup) for examples.