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Computer Programming
Published in Quamrul H. Mazumder, Introduction to Engineering, 2018
Syntax errors can be considered grammatical errors and are typically the easiest to locate and fix. Because the compiler cannot translate code that is not in the correct syntax into machine code, the compiler will detect these errors and will not successfully compile until the syntax errors are resolved. Typically, when a syntax error occurs, the compiler responds with an error message that indicates what line in the code contained the error. Because one syntax error can generate several error messages, it is recommended that you start with the first error, repair it, and then compile again. Often, repairing one error will resolve a number of error messages.
Software Maintenance
Published in B.S. Dhillon, Engineering Maintenance, 2002
In software work, tracking the status of all components and tests is challenging. Fortunately, there are automated tools available on the market that are useful in maintaining software. Some of these tools are described below:22File Comparator: This maintenance tool compares two files and determines their differences. File comparators are frequently used to determine if two supposedly identical systems or programs are in fact identical.Text Editors: These editors are useful, for example, in preventing errors during text duplication, because a text editor can copy documentation or code from one place to another.Static Code Analyzers: These compute information concerning the code structural attributes, for example, number of lines of code, depth of nesting, cyclomatic number, and number of spanning paths. The information is useful in determining if the new versions of systems are becoming more complex, bigger, and more difficult to maintain.Cross-Reference Generators: Generators are useful in assuring that the changed code will still comply with its specifications, especially when these generators possess a set of logical formulas known as verification conditions. For example, if all concerned formulas yield a value of “true,” the code meets the specifications that produced it.Compilers and Linkers: These automated tools often possess features that simplify maintenance and configuration management. In the case of a compiler, it checks code for syntax errors and points out the location and fault type. Once the code is compiled correctly, the linker or the link editor establishes links between the code and other components required for operating the program. Some linkers can eliminate problems caused by using incorrect copy of a system/subsystem when testing change.Debugging Tools: These tools are useful in tracing the program logic step by step, setting flags and pointers, and examining register and memory area contents.
Improving Efficiency and Accuracy in English Translation Learning: Investigating a Semantic Analysis Correction Algorithm
Published in Applied Artificial Intelligence, 2023
While semantics pertains to the intrinsic nature of data, syntax encompasses the rules and structural relationships governing the organization of data. In the context of computer systems, data, and its access are obtained by manipulating patterns. Semantics, in this context, refers to the elements that comprise these patterns, while grammar defines the structure of these pattern elements.