APPLICATION ANALYSIS PROGRAM, APPLICATION ANALYSIS METHOD AND APPLICATION ANALYSIS DEVICE

摘要

Analysis work of influence of the change of the value area of an input data item on the maintenance of an application is supported. A syntax analysis part (4) analyzes a source program (1), record information (2) and job control information (3), and stores the results of the analysis in a syntax tree table (5), a file/DB layout table (6) and a program-file/DB association table (7). A program logic analysis part (8) refers to the syntax tree table (5), the file/DB layout table (6) and the program-file/DB association table (7), and extracts an object variable corresponding to an object item and an associated sentence. A supposed requirementaggregation part (9) prepares a supposed requirement table (10) according to the object variable and the sentence extracted by the program logic analysis part (8) and outputs it.