gobj | general definition of objects for OOP with the C language

gobj is a C library. gobj has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

The purpose of this library is to abstract the essential characteristics of objects used for Object-Oriented Programming:. Let us assume that we can define any class C[i] as a set S[i] of J structures {S[i][1], S[i][2], ... S[i][J]}. These structures may define a set of attributes (variables), interfaces (functions), or both. Also, let us expand our notation such that O[i][j] refers to the j-th object of the class C[i]. To achieve the definition of classes, we have to identify all possible members of the sets S[n]. For this purpose, we have defined a set of macros that create one auxiliary variable V[n][j] for each structure S[n][j], whose address becomes its identifier. Finally, we can describe any object as a table whose records have the form (V[n][j], S[n][j]) - in the code, such table is a NULL-terminated array of records-. Figure 1 - GOBJ object structure in C language. Check out the use examples in the "app" directory. We have added the code and the output of the "farewells" application in Listings 1 and 2 for quick reference. Listing 1 - The "farewells" application body. Listing 2 - The console output of the app/greetings application. The "farewells" application uses static object allocation, which is nice for embedded systems. Check out the "animals" application to see a demonstration of dynamic object creation.