Module program 

Program Module

The program module is responsible for representing and manipulating the Abstract Syntax Tree (AST) or Intermediate Representation (IR) of Python bytecode programs. It provides a structured way to handle bytecode, making it easier to analyze, transform, and generate. The design goal of this module is to provide a high-level, extensible, and easy-to-understand program representation to support more complex bytecode operations.

Design Philosophy

• Abstraction: Abstract low-level bytecode instructions and structures into higher-level program elements such as functions, classes, and code blocks.
• Intermediate Representation: Provide a clear IR that acts as a bridge between the reader and writer modules, facilitating program transformation and optimization.
• Operability: Design program structures that are easy to traverse, modify, and analyze, supporting various static analysis and dynamic instrumentation tasks.
• Conversion with the view Module: Provide mechanisms for mutual conversion with the view module to adapt to different levels of program representation needs.

Module Structure

• program: Defines the core structures of the program, such as Program, CodeObject, and Function.
• mod.rs: Integrates program-related types and functionality.

Maintenance Details

• Understanding Python Bytecode Semantics: Deeply understand the semantics of Python bytecode to ensure the accuracy and completeness of the program representation.
• Robustness of Conversion Logic: Ensure that the conversion logic between this module and the view module is robust and capable of handling various complex bytecode structures.
• Performance Considerations: Building and manipulating the program representation should perform well, even when handling large programs.
• Documentation Updates: Timely update this maintenance document as Python bytecode evolves or module functionality expands to maintain consistency with the code.

Structs

LocalVar

局部变量信息

PycHeader

.pyc 文件的头部信息。

PythonCodeObject

Python 代码对象，包含字节码指令、常量、变量等信息。

PythonProgram

Python .pyc 程序的高层语义定义（以指令序列为核心） Python .pyc 程序的高层语义定义（以指令序列为核心）

Upvalue

Upvalue 信息

Enums

PythonObject

表示不同类型的 Python 对象。

PythonVersion

表示 Python 字节码的版本。