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    • 1. 发明授权
    • Symbolic execution and automatic test case generation for JavaScript programs
    • JavaScript程序的符号执行和自动测试用例生成
    • US09038032B2
    • 2015-05-19
    • US13481594
    • 2012-05-25
    • Guodong LiPraveen K. MurthyIndradeep GhoshSreeranga P. Rajan
    • Guodong LiPraveen K. MurthyIndradeep GhoshSreeranga P. Rajan
    • G06F9/44G06F9/45G06F11/36G06F9/455
    • G06F11/3684G06F9/45529
    • A method includes, by one or more computing devices, determining JavaScript statements to be evaluated, parsing the JavaScript statements, translating the JavaScript statements into Java bytecodes and JavaScript-specific instructions, executing the Java bytecodes in a Java execution engine, calling a JavaScript run-time engine from the Java execution engine, handling one or more semantic operations associated with the JavaScript-specific instructions through use of the JavaScript run-time engine, and providing return values to the Java execution engine. The statements are configured for execution on a computing device. The set of Java bytecodes and JavaScript-specific instructions is configured to conduct symbolic execution of one or more portions of the JavaScript statements. The symbolic execution is configured to evaluate the JavaScript statements.
    • 一种方法包括由一个或多个计算设备确定要评估的JavaScript语句,解析JavaScript语句,将JavaScript语句转换为Java字节码和特定于JavaScript的指令,在Java执行引擎中执行Java字节码,调用JavaScript运行 来自Java执行引擎的时间引擎,通过使用JavaScript运行时引擎来处理与JavaScript特定指令相关联的一个或多个语义操作,并向Java执行引擎提供返回值。 这些语句被配置为在计算设备上执行。 一组Java字节码和JavaScript特定的指令被配置为执行JavaScript语句的一个或多个部分的符号执行。 符号执行被配置为评估JavaScript语句。
    • 8. 发明授权
    • Satisfiability checking
    • 满意度检查
    • US09501331B2
    • 2016-11-22
    • US13570906
    • 2012-08-09
    • Guodong LiIndradeep GhoshSreeranga P. Rajan
    • Guodong LiIndradeep GhoshSreeranga P. Rajan
    • G06F9/30G06F9/50G06F11/36
    • G06F9/5083G06F9/5027G06F11/3604G06F11/3608G06F11/3636G06F11/3684G06F2209/5017
    • A satisfiability checking system may include a single instruction, multiple data (SIMD) machine configured to execute multiple threads in parallel. The multiple threads may be divided among multiple blocks. The SIMD machine may be further configured to perform satisfiability checking of a formula including multiple parts. The satisfiability checking may include assigning one or more of the parts to one or more threads of the multiple threads of a first block of the multiple blocks. The satisfiability checking may further include processing the assigned one or more parts in the first block such that first results are calculated based on a first proposition. The satisfiability checking may further include synchronizing the results among the one or more threads of the first block.
    • 可满足性检查系统可以包括单个指令,被配置为并行地执行多个线程的多数据(SIMD)机器。 多个线程可以在多个块之间划分。 SIMD机器还可以被配置为执行包括多个部分的公式的可满足性检查。 可满足性检查可以包括将一个或多个部分分配给多个块的第一块的多个线程的一个或多个线程。 可满足性检查还可以包括处理第一块中分配的一个或多个部分,使得基于第一命题计算第一结果。 可满足性检查还可以包括在第一块的一个或多个线程之间同步结果。