https://github.com/lhish/macrosolver

MacroSolver is a C++ macro expansion tool designed for parsing and expanding C/C++ preprocessor macro definitions.
https://github.com/lhish/macrosolver

cpp learning learning-by-doing learning-cpp macro

Last synced: about 1 year ago
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MacroSolver is a C++ macro expansion tool designed for parsing and expanding C/C++ preprocessor macro definitions.

• Host: GitHub
• URL: https://github.com/lhish/macrosolver
• Owner: lhish
• License: mit
• Created: 2025-03-17T16:47:24.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2025-03-17T17:10:25.000Z (about 1 year ago)
• Last Synced: 2025-03-17T18:27:31.310Z (about 1 year ago)
• Topics: cpp, learning, learning-by-doing, learning-cpp, macro
• Language: C++
• Homepage:
• Size: 42 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# MacroSolver

MacroSolver是一个C++宏展开工具，用于解析和展开C/C++预处理器宏定义，但只支持函数式宏。这个项目是学习和理解C++宏机制的最佳资源之一。

MacroSolver is a C++ macro expansion tool designed for parsing and expanding C/C++ preprocessor macro definitions, but

only supports function-like macros. This

project serves as an excellent learning resource for understanding the intricacies of C++ macros.

## 功能特点 / Features

- 支持基本的宏定义和展开

- 支持带参数的宏

- 支持嵌套宏展开

- 支持字符串化操作符 (#)

- 支持标记连接操作符 (##)

- 支持可变参数宏 (__VA_ARGS__)

- 支持__VA_OPT__扩展

- 防止宏递归展开

- Basic macro definitions and expansions

- Macros with parameters

- Nested macro expansions

- Stringification operator (#)

- Token pasting operator (##)

- Variadic macros (__VA_ARGS__)

- __VA_OPT__ extensions

- Prevention of recursive macro expansions

## 为什么不通过编译器源码来学习宏 / Why not learn macros by studying the compiler source code?

C/C++ 宏机制的底层实现细节通常隐藏在复杂的编译器源码中。理解编译器源码本身极具挑战性，需要深入掌握编译原理和底层架构。*

*编译器源码晦涩难懂，即使是经验丰富的开发者也常常望而却步。**

**相对于直接研究编译器源码，MacroSolver 提供了一个更易于理解和学习的替代方案。**  它通过简洁的代码和清晰的逻辑，展示了宏展开的核心原理。你可以通过阅读、调试和修改

MacroSolver 的代码，更直观地理解宏展开的过程，而无需深入研究庞大而复杂的编译器源码。

This project provides a more accessible alternative to directly diving into the intricate details of compiler source

code. The underlying implementation of C/C++ macro mechanisms is often concealed within the complex compiler source.

Understanding compiler source code is inherently challenging, requiring a deep grasp of compilation principles and

underlying architecture. **Compiler source code can be notoriously dense and difficult to understand, often intimidating

even experienced developers.**

**MacroSolver offers a more understandable and approachable way to learn. Instead of struggling with the complexity of

compiler code,** It demonstrates the core principles of macro expansion through concise code and clear logic. By

reading, debugging, and modifying MacroSolver's code, you can gain a more intuitive understanding of the macro expansion

process without the need to delve into vast and complex compiler source code

## 项目结构 / Project Structure

```

├── CMakeLists.txt

├── Doxygen.config

├── LICENSE

├── README.md

├── define_list1.txt - define_list9.txt  // Macro definition files for testing

├── macro_solver_test.cpp                // Test program

└── my_std

    └── normal

        ├── CMakeLists.txt

        ├── include

        │   └── solve_macro.h            // Header file

        └── src

            └── solve_macro.cpp          // Implementation file

```

##