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Misc

Fangrui Song 2019-03-29 21:08:46 -07:00
parent f007debed4
commit e5c6efa749
3 changed files with 22 additions and 18 deletions
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8
Build.md

@ -91,11 +91,11 @@ are installed into the standard locations for our system, `CMAKE_PREFIX_PATH`
is not required.
A simple `cmake -GNinja -H. -BRelease` (remove `-GNinja` if you don't use
Ninja) works for at least the following distributions:
Ninja) works for many distributions. The required system packages are:
* Arch Linux
* Fedora Linux
* Gentoo Linux
* Arch Linux: `clang` `llvm`
* Fedora Linux: `clang` `clang-devel` `llvm-devel`
* Gentoo Linux: `clang`
* Void Linux
### Prebuilt Clang+LLVM binaries

17
Debugging.md

@ -36,20 +36,11 @@ done indexing. However, for many other issues, such as project file loading
(`project.cc`) and C/C++ parsing and indexing `indexer.cc`, you need to set an
early breakpoint to be able to trace the code.
It is simplest to use [[LC-neovim]] for debugging (even if you use Emacs or
VSCode) because it can be started with simple shell command.
Export the environment variable `CCLS_TRACEME=1` or `CCLS_TRACEME=s` before starting ccls.
Consider using a [shell script wrapper](Install#shell-script-wrapper).
```vim
# vimrc
nn ,al :LanguageClientStart<cr>
```
```sh
rm -r /tmp/ccls && CCLS_TRACEME=1 nvim a.cc +'normal ,al'
```
The Neovim buffer will hang there because `CCLS_TRACEME=1` causes the `ccls`
process to SIGTSTP itself. In another shell, `gdb -p $(pgrep -fn debug/ccls)`
`CCLS_TRACEME=1` or `s` causes the `ccls` process to SIGTSTP/SIGSTOP itself.
In another shell, `gdb -p $(pgrep -fn ccls)`
### Poor man's breakpoint

15
FAQ.md

@ -296,7 +296,7 @@ Specify `hierarchy:true` to enable hierarchical view.
## [`$ccls/member`](https://github.com/MaskRay/ccls/blob/master/src/messages/ccls_member.cc)
Recursively list member variables of a record type. 😂 nobody has implemented vscode-ccls UI for the feature. Help wanted!
Recursively list member variables of a record type.
* <code>struct <kbd>A</kbd>:B{void f()override;};</code> lists `B` or `B::f()`
@ -304,6 +304,19 @@ If parameter `kind:3` is specified, list member functions/functions in a namespa
* <code>struct <kbd>A</kbd>{void f();};</code> lists `A::f()`
Sample requests:
```javascript
// member variables / variables in namespaces: kind:0 (default)
{"jsonrpc":"2.0","id":1,"method":"$ccls/member","params":{"textDocument":{"uri":"file:///tmp/c/a.cc"},"position":{"line":0,"character":7}}}
// member functions / functions in namespaces: kind:3
{"jsonrpc":"2.0","id":2,"method":"$ccls/member","params":{"textDocument":{"uri":"file:///tmp/c/a.cc"},"position":{"line":0,"character":7},"kind":3}}
// nested classes / types in namespaces: kind:2
{"jsonrpc":"2.0","id":3,"method":"$ccls/member","params":{"textDocument":{"uri":"file:///tmp/c/a.cc"},"position":{"line":0,"character":7},"kind":2}}
```
## Cases
On a laptop with one (i7-6600U CPU @ 2.60GHz, hyper-threading, `nproc`=4), 4