Computer program analyzer for adapting computer programs to diff

Details Computer program analyzer for adapting computer programs to diff Computer program analyzer for adapting computer programs to diff

1993-08-25

1996-01-30

Bowler, Alyssa H.

Boots, shoes, and leggings

395 54, 3642745, 364DIG1, G06F 300

Patent

active

054887143

ABSTRACT:
An extended mode analyzer (EMA) processes source code modules, detects suspicious instruction patterns and produces recommendations for code modification. The EMA applies knowledge based technology to the problem of massive source code conversion. The knowledge base component within the EMA models any given source code module using a hierarchical class/attribute structure. All source lines occurring in a given module are partitioned into homogenous classes characterized by function or instruction type. Higher level programming concepts are abstracted from lower level implementation details by drawing correspondences between class members which constitute instruction sequences related by common elements. When inferencing begins, the existence of class members meeting certain criteria trigger events which change the state of the world as seen by the knowledge base, in turn triggering other state changing events and so on until a state of equilibrium is achieved. The end result of this process is the body of recommendations produced by EMA for source code conversion.

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Kurod et al., "A Knowledge-Based Retargetable Compiler for Application Specific Signal Processors," 1989 IEEE International Symposium on Circuits and Systems, Feb. 1989, pp. 631-634.
Banning, "The XDOS Binary Code Conversion System," 34th IEEE Computer Society International Conference, Feb. 27-Mar. 3, 1989, pp. 282-287.
IEEE 1987 National Aerospace & Electronic Conference, "Automatic Translation of Assembly Language Software", by Lawler, pp. 729-731.

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