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C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting

cpp ide language-server-protocol lsp-server

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Fangrui Song bbb28c93eb cmake: use {LLVM,Clang}Config.cmake Combined Daan De Meyer's #227 with other simplification * USE_SHARED_LLVM is deleted in favor of LLVM_LINK_LLVM_DYLIB * LLVM_ENABLE_RTTI is deleted as it is provided by LLVMConfig.cmake * Only direct Clang/LLVM dependencies are required in target_link_libraries * Restrict -DCLANG_RESOURCE_DIRECTORY= to src/utils.cc		2019-11-09 20:09:13 -08:00
.github	Add .github/ISSUE_TEMPLATE	2019-11-09 20:09:13 -08:00
ci	Use clang_File_tryGetRealPathName	2019-10-23 21:56:50 -07:00
index_tests	Fix EnumConstantDecl's kind & EnumDecl's vars	2019-11-09 20:09:13 -08:00
src	cmake: use {LLVM,Clang}Config.cmake	2019-11-09 20:09:13 -08:00
third_party	Remove ASTUnit from indexer and clean up	2019-10-24 01:13:22 -07:00
.appveyor.yml	cmake: delete SYSTEM_CLANG and auto-download mechanism	2019-11-09 20:09:13 -08:00
.clang-format	First draft: replace libclang indexer with clangIndex	2019-10-24 00:53:16 -07:00
.gitignore	Add .github/ISSUE_TEMPLATE	2019-11-09 20:09:13 -08:00
.gitmodules	rapidjson url (#43 )	2019-10-24 01:01:21 -07:00
CMakeLists.txt	cmake: use {LLVM,Clang}Config.cmake	2019-11-09 20:09:13 -08:00
LICENSE	Add Apache LICENSE file (#121 )	2019-11-09 20:09:13 -08:00
README.md	Misc	2019-11-09 20:09:13 -08:00

README.md

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

It has a global view of the code base and support a lot of cross reference features, see 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 (CLICK HERE) <<<

Build
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 for examples.