Mixed Type Memory Segmentation for CLR Native Managed Integration
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Solution Overview
Problem
The integration of managed and unmanaged object systems in computer programming is challenging due to differences in memory management, garbage collection, and reference handling, making it difficult for developers to handle references to both managed and unmanaged objects consistently, leading to complexities in object lifetime management and communication between different object frameworks.
Innovation Solution
A system and method that facilitates the creation of a mixed type, allowing consistent treatment of managed and native types by allocating them in separate memory parts and using inheritance components to manage memory and object lifetimes, enabling seamless interaction between managed and unmanaged environments through a compiler and runtime components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If unmanaged objects are used in a managed environment, then memory management flexibility and performance are improved, but reference tracing and garbage collection become difficult
Solution Approach 1:
The patent introduces an intermediary layer (the mixed type wrapper and transition rules) between unmanaged objects and the managed environment. This intermediary handles reference counting and lifetime management, allowing unmanaged objects to be traced and collected by the garbage collector while maintaining their original memory management characteristics.
Solution Approach 2:
The patent segments the object model into distinct categories (managed, unmanaged, and mixed types) with clear boundaries and transition rules. This segmentation allows each type to be handled appropriately by the garbage collector and reference tracing mechanisms, reducing overall system complexity.
2Reliability
If managed objects are used, then garbage collection and memory safety are improved, but reference counting and deterministic finalization become unnecessary
Solution Approach 1:
The patent creates a universal reference handling mechanism that works consistently across all object types (managed, unmanaged, and mixed). The transition rules and mixed type system provide a unified interface for reference counting, lifetime management, and deterministic finalization, regardless of the underlying object type.
3Adaptability or versatility
If cross-type inheritance is implemented, then code reusability and flexibility are improved, but type system complexity and compilation difficulties increase
Solution Approach 1:
The patent introduces mixed types as an intermediary concept that bridges managed and unmanaged type systems. These mixed types enable cross-type inheritance by providing a unified interface that the compiler can handle, while maintaining the distinct characteristics of both managed and unmanaged objects.
Solution Approach 2:
The patent implements dynamic transition rules that allow objects to move between managed and unmanaged states based on their lifetime and reference characteristics. This dynamic approach enables flexible inheritance hierarchies while maintaining type system integrity through compiler-enforced transition rules.
4Productivity
If separate memory management for managed and unmanaged objects is maintained, then memory safety and performance are improved, but development complexity and integration difficulties increase
Solution Approach 1:
The patent segments memory management into distinct zones (managed heap, unmanaged heap, and stack) with clear allocation and deallocation rules for each. The mixed type system provides a unified interface for developers while maintaining these separate memory zones, reducing development complexity without sacrificing performance.
Solution Approach 2:
The patent introduces mixed types and transition rules as intermediaries that handle the complexity of cross-memory-zone operations. These intermediaries abstract away the details of separate memory management while maintaining performance characteristics, making it easier for developers to work with both managed and unmanaged objects.
Data Source
AI summary
The present invention provides a system and/or method that facilitates programming within Common Language Runtime (CLR) for a C++ programmer by employing a mixed type. An inheritance component creates the mixed type from received code such that the mixed class type is allocated into memory into a pure native part and a pure managed part. Furthermore, construction, destruction and function calls for mixed types are provided facilitating programming within Common Language Runtime (CLR).