Easy way to generate documentation and call graphs that you can click to go to the definitions real quick. Useful for big projects to have a visual help

Generate_DoxyGen_Graph.md

A script to generate a Doxyfile with call graphs , it needs to have installed doxygen and graphviz

Installation

Ensure you have the required dependencies installed:

• Graphviz: Used for generating graphs.

# Example installation on Debian-based systems
sudo apt-get install graphviz

Usage

./makeDoxy.sh -i "main.c src" -e "libft"

Explanation

-i or --input: Specify input directories/files for Doxygen.
-e or --exclude: Specify directories/files to be excluded from Doxygen.

Generated Output

The script generates Doxygen documentation with configured settings. View the generated documentation for details on your project's structure and relationships.

#!/bin/bash

# Generate Doxygen configuration file
doxygen -g

# Replace specific lines in the Doxygen configuration file to create the call graphs
sed -i 's/HAVE_DOT\s*=\s*NO/HAVE_DOT = YES/' Doxyfile
sed -i 's/EXTRACT_ALL\s*=\s*NO/EXTRACT_ALL = YES/' Doxyfile
sed -i 's/EXTRACT_PRIVATE\s*=\s*NO/EXTRACT_PRIVATE = YES/' Doxyfile
sed -i 's/EXTRACT_STATIC\s*=\s*NO/EXTRACT_STATIC = YES/' Doxyfile
sed -i 's/CALL_GRAPH\s*=\s*NO/CALL_GRAPH = YES/' Doxyfile
sed -i 's/CALLER_GRAPH\s*=\s*NO/CALLER_GRAPH = YES/' Doxyfile
sed -i 's/DISABLE_INDEX\s*=\s*NO/DISABLE_INDEX = YES/' Doxyfile
sed -i 's/GENERATE_TREEVIEW\s*=\s*NO/GENERATE_TREEVIEW = YES/' Doxyfile
sed -i 's/RECURSIVE\s*=\s*NO/RECURSIVE = YES/' Doxyfile
sed -i 's/INLINE_SOURCES\s*=\s*NO/INLINE_SOURCES = YES/' Doxyfile

while [[ $# -gt 0 ]]
do
    case "$1" in
        -i|--input)
        INPUT="$2"
        shift 2
        ;;
        -e|--exclude)
        EXCLUDE="$2"
        shift 2
        ;;
        *)
        shift
        ;;
    esac
done

sed -i "s/INPUT\s*=\s*/INPUT = $INPUT/" Doxyfile
sed -i "s/EXCLUDE\s*=\s*/EXCLUDE = $EXCLUDE/" Doxyfile

echo " INPUT = $INPUT "
echo " EXCLUDE = $EXCLUDE "
doxygen Doxyfile

Make it executable with :

chmod +x ./doxyGraph.sh 

And thats it, after you can open the file with a browser

brave html/main_foo.html

Original idea from https://stackoverflow.com/a/68342053

if you write your comments in this format , Doxygen will generate a nice documentation for every function. There are more attributes that you can set and looks really good in the docs

/**
 * @brief      Description that tells what the function after this comment does
 *
 * @param[in]  ac    The argument count
 * @param      av    The argument vector (array of strings)
 *
 * @return     what does it return 
 */