Efficient generic code in a dynamic execution environment

Details Efficient generic code in a dynamic execution environment Efficient generic code in a dynamic execution environment

2001-12-18

2008-03-18

Dam, Tuan (Department: 2192)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

C717S108000, C717S116000

Reexamination Certificate

active

07346901

ABSTRACT:
Efficient and flexible support for parametric polymorphism in a dynamic execution environment is provided. The addition of efficient parametric polymorphism in a dynamic execution environment expands the support of features of various source languages in intermediate language code. Dynamic allocation of typing context data and support tables at runtime optimizes memory requirements and performance in a dynamic execution environment. As typing-context-relevant-code-points are executed within the program, indices are assigned to these code points and indexed slots in appropriate typing context data structures are allocated. As a typing-context-relevant-code-point is executed within a typing context, the indexed slot within the associated typing context data structure is filled in with typing context data. Such populated slots may be reused in subsequent execution of the code point within the same typing context to avoid re-computing the typing context data.

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“Parametric Polymorphism for Java” by Derek Rayside, University of Waterloo, IBM Centre for Advanced Studies, Aug. 29, 2000.
“Behold the Power of Parametric Polymorphism” by Eric Allen, JavaWorld, Feb. 1, 2000.

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