Dynamic, which reads in code analysis device, has storage unit, extraction unit and determining section. Storage unit stores: dynamic reads in code information, reads in code according to each dynamic obtained via network, indicates that dynamic reads in the class formation of code; And call method information, it is made of being given to the label information of user's information and being mapped for the class formation for the code that user's information executes. Extraction unit detects transmission of user's information to other devices, the call method information stored according to storage unit, determining with the consistent label information of label information being endowed in user's information, and extracts class formation corresponding with the label information. Determining section is retrieved from storage unit indicates that the dynamic of the class formation reads in code information, determines that dynamic corresponding with the dynamic reading code information reads in code.
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