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Analyzing the effect of preprocessor annotations on code clones.
| Content Provider | CiteSeerX |
|---|---|
| Author | Schulze, Sandro Jürgens, Elmar Feigenspan, Janet |
| Abstract | The C preprocessor cpp is a powerful and language-independent tool, widely used to implement variable software in different programming languages (C, C++) using conditional compilation. Preprocessor annotations can used on different levels of granularity such as functions or statements. In this paper, we investigate whether there is a relation between code clones and preprocessor annotations. Specifically, we address the question whether the discipline of annotation has an effect on code clones. To this end, we perform a case study on fifteen different C programs and analyze them regarding code clones and #ifdef occurrences. We found only minor effects of annotations on code clones, but a relationship between annotations that align with the code structure (and code clones). With this work, we provide new insights why code clones occur in C programs. Furthermore, the results can support the decision whether or not it is beneficial to remove clones. 1. |
| File Format | |
| Publisher Institution | Technische Universität München |
| Access Restriction | Open |
| Subject Keyword | Code Clone Preprocessor Annotation Different Programming Language New Insight Code Structure Conditional Compilation Case Study Ifdef Occurrence Preprocessor Cpp Minor Effect Fifteen Different Program Different Level Variable Software Language-independent Tool |
| Content Type | Text |
