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Simplify README

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Fangrui Song 2018-01-18 15:39:04 -08:00
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@ -37,76 +37,6 @@ steps to only project setup.
And [wiki/Build](https://github.com/jacobdufault/cquery/wiki/Build).
## Install extension
cquery includes a vscode extension; it is released in <https://github.com/jacobdufault/cquery/releases>. Launch vscode
and install the `vscode-extension.vsix` extension. To do this:
- Hit `F1`; execute the command `Install from VSIX`.
- Select `vscode-extension.vsix` in the file chooser.
**IMPORTANT:** Please reinstall the extension when you download it - it is
still being developed.
See the [wiki](https://github.com/jacobdufault/cquery/wiki/Visual-Studio-Code#setting-up-the-extension) for additional details on setting up the extension.
If you run into issues, you can view debug output by running the
(`F1`) `View: Toggle Output` command and opening the `cquery` output section.
## Project setup
### `compile_commands.json` (Best)
See [wiki](https://github.com/jacobdufault/cquery/wiki) for how to generate `compile_commands.json` with CMake, Build EAR, Ninja, ...
If the `compile_commands.json` is not in the top-level workspace directory,
then the `cquery.misc.compilationDatabaseDirectory` setting can be used to
specify its location.
### `cquery.index.extraClangArguments`
If for whatever reason you cannot generate a `compile_commands.json` file, you
can add the flags to the `cquery.index.extraClangArguments` configuration
option.
### `.cquery`
If for whatever reason you cannot generate a `compile_commands.json` file, you
can add the flags to a file called `.cquery` located in the top-level
workspace directory.
Each argument in that file is separated by a newline. Lines starting with `#`
are skipped. The first line can optionally be the path to the intended compiler,
which can help if the standard library paths are relative to the binary.
Here's an example:
```
# Driver
/usr/bin/clang++-4.0
# Language
-xc++
-std=c++11
# Includes
-I/work/cquery/third_party
```
# Building extension
If you wish to modify the vscode extension, you will need to build it locally.
Luckily, it is pretty easy - the only dependency is npm.
```bash
# Build extension
$ cd vscode-client
$ npm install
$ code .
```
When VSCode is running, you can hit `F5` to build and launch the extension
locally.
# Limitations
cquery is able to respond to queries quickly because it caches a huge amount of
@ -115,29 +45,6 @@ without running many computations. As a result, there's a large memory overhead.
For example, a full index of Chrome will take about 10gb of memory. If you
exclude v8, webkit, and third_party, it goes down to about 6.5gb.
# Wiki
For Emacs/Vim/other editors integration and some additional tips, see [wiki](https://github.com/jacobdufault/cquery/wiki).
# Chromium tips
Chromium is a very large codebase, so cquery benefits from a bit of tuning.
Optionally add these to your settings:
```js
// Set slightly lower than your CPU core count to keep other tools responsive.
"cquery.misc.indexerCount": 50,
// Remove uncommonly used directories with large numbers of files.
"cquery.index.blacklist": [
".*/src/base/third_party/.*",
".*/src/native_client/.*",
".*/src/native_client_sdk/.*",
".*/src/third_party/.*",
".*/src/v8/.*",
".*/src/webkit/.*"
]
```
# License
MIT