Method of fully detecting null pointer reference defects
A technology of null pointers and pointers, applied in the field of null pointer detection, can solve problems such as false positives and false negatives, adverse consequences, not real problems, etc., and achieve the effects of ensuring accuracy, low false positives, and improving adequacy
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[0065] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.
[0066] figure 1 It is a schematic flow chart of the method for fully detecting the null pointer reference defect of the present invention, such as figure 1 As shown, the method includes:
[0067] Step 101: Read the application file under test, perform lexical analysis and syntax analysis on the application under test, generate an abstract syntax tree of the application under test, generate a control flow graph reflecting the control structure of the application under test according to the abstract syntax tree, and The abstract syntax tree creates a symbol table system and a type system of the application under test, and identifies all addressable expressions of the application under test based on the abstract syntax tree;
[0068] Specifically, the present invention utilizes auxiliary tools to generate the abstract...
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