Static analysis intermediate file analysis optimization strategy

With the rapid development of the software industry, the continuous increasing of software size and complexity, how to guarantee and improve the reliability and the safety of the software has become the focus in the research of computer science. Software testing has become an indispensable part in software's life circle and people are paying more attention to the software. The static analysis is a code analysis technology, which is opposite to the dynamic analysis. The former can detect the latent defects and the security vulnerabilities inside of software and is developing rapidly during the last years. This thesis is based on the C language as the research object, and focuses on generating intermediate files with compiler front-end. This thesis first introduces the principle of C preprocessor and the way of getting the redundant type of the intermediate files based on the file structure after the preprocessing. With the rational analysis, the redundant code in the intermediate files will be removed, and the simplification of the intermediate files are designed and realized, in order to increase the static analysis efficiency. Finally, we based on the software, defect detecting DTS (Defect Testing System) 1. We implement the file simplification module. DTS is used to validate some open source projects in order to prove the feasibility and effectiveness of our method.