The below was written for clangd, but much applies to cquery and ccls as well.

Sublime Text C++ Debug
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Sublime Text C++ Compiler Machine
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Aug 28 Aug 27 Aug 26 Aug 25 Aug 24 Aug 23 Aug 22 Aug 21 Aug 20 Aug 19 Aug 18 Aug 17 Aug 16 Aug 15 Aug 14 Aug 13 Aug 12 Aug 11 Aug 10 Aug 9 Aug 8 Aug 7 Aug 6 Aug 5 Aug 4. Sublime can be used to instantly build and compile your program. This setup will save you lots of precious time during an ongoing contest. Now let’s get started. Step 1: Installing Sublime Text. Sublime Text is available for Mac, Linux and Windows. Follow the link below to install Sublime Text in your PC.

CCLS#

Build and install from source or download for your distribution.See the ccls wiki for more details.

Clangd#

To use clangd on Debian/Ubuntu, add the apt repositories described here.After that, install with e.g. apt install clang-tools-9. The clangd executablewill have a version number suffix. For instance, clangd-9. You will thus have toadjust your 'clients' dictionary in your user preferences.

Create el capitan usb. To use clangd on Mac, use Homebrew: brew install llvm. The clangd executablewill be present in /usr/local/Cellar/llvm/version/binYou probably need to install the Xcode developer command-line tools. Run the following in a terminal:

And if you're on macOS 10.14, also run the following to install essential headers like C compiler for mac

wchar_t.h:

To use clangd on Windows, install LLVM with the LLVM installer,and then add C:Program FilesLLVMbin to your %PATH%.

Compilation database#

For any project of non-trivial size, you probably have a build system in placeto compile your source files. The compilation command passed to your compilermight include things like:

Include directories,
Define directives,
Compiler-specific flags.

compile_commands.json#

Like any language server, clangd works on a per-file (or per-buffer) basis. Butunlike most other language servers, it must also be aware of the exact compileflags that you pass to your compiler. For this reason, people have come up withthe idea of a compilation database.At this time, this is just a simple JSON file that describes for eachtranslation unit (i.e. a .cpp, .c, .m or .mm file) the exactcompilation flags that you pass to your compiler.

It's pretty much standardized that this file should be calledcompile_commands.json. clangd searches for this file up in parentdirectories from the currently active document. If you don't have such a filepresent, most likely clangd will spit out nonsense errors and diagnostics aboutyour code.

As it turns out, CMake can generate this file for you if you pass it thecache variable -DCMAKE_EXPORT_COMPILE_COMMANDS=ON when invoking CMake. It willbe present in your build directory, and you can copy that file to the root ofyour project. Make sure to ignore this file in your version control system.

If you are using a make-based build system, you could use compiledbto generate a compile_commands.json.

Since header files are (usually) not passed to a compiler, they don't havecompile commands. So even with a compilation database in place, clangd willstill spit out nonsense in header files. You can try to remedy this byenhancing your compilation database with your header files using this project called compdb.

Nox and sox definition. To generate headers with compdb, read this closed issue.

You can also read about attempts to address this on the CMake issue tracker, along with the problemof treating header files as translation units.

compile_flags.txt#

Another way to let your language server know what the include dirs are is by hand-writing a compile_flags.txt file inyour source root. Each line is one flag. This can be useful for projects that e.g. only have a Visual Studio solutionfile. For more information, see these instructions. Creating this file by hand is a reasonable place to start if your project is quitesimple.

The text editor called Sublime Text, the compiler Clang, and your Mac terminal can all work together so you can write simple programs on your Mac. I am running on the assumption for now that you have already installed Clang and Sublime Text on your computer.

Use the Power of Three for Writing & Compiling in C:

Write a Program in Sublime Text

Go ahead and write something in C, perhaps a “Hello World,” as this is always a good start.

Save your Sublime Text file to your location of choice in your computer. For example, I saved my file as ‘helloworld.c’ and saved it to a folder called ‘workspace_cpp’.

Use Your Terminal

In your terminal, navigate to the folder your file is in. Type ‘clang’ and the file name, in this case, ‘helloworld.c’

Nothing occurs yet, since clang was simply used to compile the program.

Alternatively, the shortcut is to type in the command: ‘make’ and the file name (without the file type).

To run the program, type into your terminal ‘.a/.out’

The output will print on the terminal. In my case, the next line on my terminal looks like this:

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Everytime you make changes to your program, remember, you will need to re-compile your program with clang, and then re-run your program.

The Computer Science of it All

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Source code –> compiler –> machine code

Source code is the input, such as the Hello World program. The compiler is the algorithm, in the form of software. The output is the machine code, or binary (0’s and 1’s).

Clang, as noted above, is a compiler. It’s short for “C Language.”

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.a/.out runs the program, and is specifically a file format. It is short for “assembler output.”