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C, C++ Java, JSP JavaScript — — ColdFusion, PHP duplicate code detection (e.g.) [12] code. Polyspace: 2022-09-15 No; proprietary Ada C, C++ — — — — — Uses abstract interpretation to detect and prove the absence of certain run time errors and dead code in source code as well as used to check all MISRA (2004, 2012) rules (directives ...
Polyspace is a static code analysis tool for large-scale analysis by abstract interpretation to detect, or prove the absence of, certain run-time errors in source code for the C, C++, and Ada programming languages. The tool also checks source code for adherence to appropriate code standards. [3]
The Copy/Paste Detector (CPD) is an add-on to PMD that uses the Rabin–Karp string search algorithm to find duplicated code. Unlike PMD, CPD works with a broader range of languages including Java, JavaServer Pages (JSP), C, C++, Fortran, PHP, and C# code.
Code completion is an autocompletion feature in many integrated development environments (IDEs) that speeds up the process of coding applications by fixing common mistakes and suggesting lines of code. This usually happens through popups while typing, querying parameters of functions, and query hints related to syntax errors.
[2] [3] Potential errors are classified in four ranks: (i) scariest, (ii) scary, (iii) troubling and (iv) of concern. This is a hint to the developer about their possible impact or severity. [4] FindBugs operates on Java bytecode, rather than source code. The software is distributed as a stand-alone GUI application.
The ability to detect non-fatal errors is a major distinction between PurifyPlus and similar programs from the usual debuggers.By contrast, debuggers generally only allow the programmer to quickly find the sources of fatal errors, such as a program crash due to dereferencing a null pointer, but do not help to detect the non-fatal memory errors.
Detection of unreachable code is a form of control flow analysis to find code that can never be reached in any possible program state. In some languages (e.g. Java [9]) some forms of unreachable code are explicitly disallowed. The optimization that removes unreachable code is known as dead code elimination.
However, dynamic compilation can still technically have compilation errors, [citation needed] although many programmers and sources may identify them as run-time errors. Most just-in-time compilers , such as the Javascript V8 engine , ambiguously refer to compilation errors as syntax errors since they check for them at run time .