CSCOPE TUTORIAL LINUX PDF

With cscope , you can search and edit your source files more efficiently than you could with a typical editor. When cscope is called for a set of C, lex , or yacc source files, it builds a symbol cross-reference table for the functions, function calls, macros, variables, and preprocessor symbols in those files. You can then query that table about the locations of symbols you specify. First, it presents a menu and asks you to choose the type of search you would like to have performed. You may, for instance, want cscope to find all the functions that call a specified function. When cscope has completed this search, it prints a list.

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Simply place a marker over the function, variable, class, macro, etc. This productivity tool will help you develop and debug faster and get a better understanding of your codebase. There are two main solutions for tag jumping: ctags and cscope. Both are very similar in how they function: scan a codebase and index keywords tags and their locations.

Vim understands the index and provides you with an interface for jumping back and forth between the tags. The differences between the two are small, but important to distinguish. The good news is, they can co-exist! If you need a diverse codebase to try this out on, try cloning a random trending c repository from GitHub. The good news here is that most systems come with ctags pre installed. Depending on your Linux distribution, you may or may not have the exuberant-ctags package which will enable you to recursively scan your codebase, which is what we want.

You can double check by executing ctags —version. You should see output similar to this if you have it installed:. From within Vim, type :! You should get output similar to the screenshot below. You can also give the autocomplete a try by starting to type the name of a function or variable.

You should get a list like shown in the screenshot below. Finally, we can begin using cscope. You can find out more about it on the cscope sourceforge page. This file is sourced every time we load Vim. You can find out much more online. This guide discussed the benefits of using programs like ctags and cscope together in order to maximize productivity while developing in large or small codebases alike.

It showed you how to get started using both and some tricks along the way. Feel free to comment below with your findings. Happy coding! Table of Contents.

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Cscope Tutorial

Cscope is a Linux tool for browsing source code in a terminal environment. Cscope is already well-documented, but this tutorial will explain its basic usage and explain how to use it with the Linux kernel code. For instructions beyond this tutorial, see the following resources:. There are a few easy steps required to start using Cscope. First, you need to tell it where all of your source code files are. Second, you need to generate the Cscope database.

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How to install and use cscope

Simply place a marker over the function, variable, class, macro, etc. This productivity tool will help you develop and debug faster and get a better understanding of your codebase. There are two main solutions for tag jumping: ctags and cscope. Both are very similar in how they function: scan a codebase and index keywords tags and their locations. Vim understands the index and provides you with an interface for jumping back and forth between the tags.

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Cscope is a classic source code explorer that can be used to explore a directory containing C source and header files. It indexes the source files, just like ctags, but provides more useful ways to query the code. It provides a simple commandline interface to query the codebase. You might want to configure Vim to use cscope for a more user-friendly interface. This will produce a cscope. In the interface, you can look up symbols, definition of a symbol, all instances of a function call and even do find-replace. To exit the interface, press Ctrl-D.

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cscope(1) - Linux man page

When you are working with a large code base, you need a powerful tool to navigate through the code seamlessly. In my project where I had to make changes to parts of code that includes thousands of file that pours in from teams across geographies, I found it difficult to open up Cscope each time I had to find the reference to a variable or search for a definition. In this tutorial, I will describe how to integrate vim and cscope in quick steps and provide some shell functions that will make your life easier. Install vim and cscope.

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