The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 1993
Filed:
Feb. 20, 1991
Applicant:
Inventor:
Sumio Kikuchi, Machida, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395575 ; 395700 ; 371 19 ;
Abstract
A method of testing a source program includes the steps of converting the source program into a load module while dividing statements of the source program associated with access to same data into a plurality of processes, executing the load module while generating access information representing a process defining the data or a process using the data each time the data is accessed, and determining in accordance with said access information whether or not the using process coincides with the defining process or whether or not the use by the using process precedes the definition by the defining process.