Difference extraction method and system of the source code using the syntax analysis

摘要

PROBLEM TO BE SOLVED: To solve the problem in which: conventionally, a number of processes are required for work to extract a changed place from a computer program (source code) before and after the change, and work to reflect the extracted changed place and its details to design specifications is needed; a number of difference extraction tools have been conventionally used to solve the problems; however, the conventional difference extraction tools do not explicitly indicate what the changes are, and it cannot necessarily be said that the tools indicate information sufficient for users.;SOLUTION: Syntax analysis and difference extraction are performed to a computer program (source code) before and after change, and further details of the difference are analyzed, so as to generate a document that explicitly indicates a changed place.;COPYRIGHT: (C)2014,JPO&INPIT