1. A code inspection executing system for performing the code inspection of ABAP source codes comprising: an ABAP source codes grammar analyzer for analyzing the ABAP source codes as an abject of code inspection in terms of vocabulary, syntax, and signification thereof and storing analysis results in an abstract syntax tree and a data structure of a symbol table; and an ABAP source codes defect checker for generating a code defect report in order to check a code defect of a source code and a grammar structure related to coding rules selected in an ABAP rule managing module in a program path analyzing module on the basis of the data structure and modify a violated code defect.