What is cscope and Ctags?

What is cscope and Ctags?

cscope, ctags, & vim cscope, ctags, and Vim are powerful tools for reading a lot of code. ctags can be used to take you to the definition of a variable (e.g., a function, variable, or macro). cscope can be used to take you to the call site of a definition (e.g., all function calls, all variable uses, all macro uses).

How does cscope integrate with vim?

Using Cscope in Vim

1. Build the Cscope database. This has to be done each time a change is made to code, if desired.
2. Go to the directory where you created the script file with the CSCOPE_DB env variable (MyApp_env. cscope) and then run it.
3. Open Vim and start using the new Cscope functionality and keycodes.

What is cscope in Vim?

Cscope is a very powerful interface allowing you to easily navigate C-like code files. While Cscope comes with its own stand-alone interface, Vim provides the capability to navigate code without ever leaving the editor.

How do I use Cscope?

You can put the Cscope database on a different disk partition than the source code if you need to.

1. Figure out where you want to put your Cscope database files.
2. Generate cscope.
3. Generate the Cscope database.
4. Using the database.
5. Regenerating the database when the source code changes.

How do I use Ctags Vscode?

Keybinding

1. Select the words in the vscode and the press cmd+t ( ctrl+t )
2. Press cmd+shift+t ( ctrl+shift+t )
3. Press f1 and input Ctags Support: clear all navigation history.
4. Press f1 and input Ctags Support: clear one navigation history , then choose the one you would like to delete.

How do I start cscope?

The Vim/Cscope tutorial

1. Get and install Cscope if you don’t have it already on your machine.
2. Download the cscope_maps.
3. Go into a directory with some C code in it, and enter ‘cscope -R’ (the ‘-R’ makes Cscope parse all subdirectories, not just the current directory).
4. Start up Vim.

Should I use ctags or cscope?

Well, I use both. ctags is easier to set up, faster to run and if you only care about jumping one way it will show you less lines. You can just run :!ctags -R .and g]just works. It also enables that omni complete thing. Cscope is great for bigger, unknown code bases.

When should I use CSCOPE?

Using Cscope on large projects (example: the Linux kernel) Cscope can be a particularly useful tool if you need to wade into a large code base.

What is the use of cscope in Vim?

cscope, ctags, & vim cscope, ctags, and Vim are powerful tools for reading a lot of code. ctags can be used to take you to the definition of a variable (e.g., a function, variable, or macro). cscope can be used to take you to the call site of a definition (e.g., all function calls, all variable uses, all macro uses).

What are ctags and Omni completion?

166 ctags enables two features: allowing you to jump from function calls to their definitions, and omni completion. The first means that when you are over a call to a method, hitting g]or CTRL-]will jump to the place where that method is defined or implemented.