By Márcio Ribeiro, Paulo Borba, Claus Brabrand
Developers often introduce error into software program structures once they fail to recognize module dependencies.
Using forty-three software program households and software program Product traces (SPLs), the place the bulk are ordinary in commercial perform, the authors experiences at the characteristic modularization challenge and gives a learn of ways usually it will probably take place in perform. to resolve the matter they current the idea that of emergent function modularization which goals to set up contracts among beneficial properties to avoid builders from breaking different positive aspects whilst appearing a upkeep task.
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Builders often introduce blunders into software program platforms once they fail to realize module dependencies. utilizing forty-three software program households and software program Product traces (SPLs), the place the bulk are frequent in business perform, the authors stories at the characteristic modularization challenge and offers a learn of ways usually it will possibly ensue in perform.
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Additional info for Emergent Interfaces for Feature Modularization
For example, the left-hand side of Fig. id=167715. id=461011. 26 3 Feature Dependencies (a) 318 319 #ifdef ENABLE_IPV6 struct in6_addr host6, mask6; 320 321 322 323 324 325 #endif ProxyHostAddr *elt; gint i; input = (gchar *) data; elt = g_new0(ProxyHostAddr, 1); 318 319 320 321 322 #ifdef ENABLE_IPV6 struct in6_addr host6, mask6; gint i; #endif ProxyHostAddr *elt; 323 324 325 input = (gchar *) data; elt = g_new0(ProxyHostAddr, 1); 404 405 406 const gchar *home; gchar *local = NULL; 422 423 424 425 426 #ifdef WITH_TESTS const gchar *env; env = g_getenv ("GNOME_KEYRING_TEST_PATH"); if (env && *env) local = g_strdup (env); (b) 404 405 406 const gchar *home, *env; gchar *local = NULL; 422 #ifdef WITH_TESTS 423 424 425 env = g_getenv ("GNOME_KEYRING_TEST_PATH"); if (env && *env) local = g_strdup (env); Fig.
We represent feature nesting by putting one rectangle inside another. Each x represents any use—inside if conditions, general expressions, method actual parameters etc—of the x variable. 1. According to them, MDi and MDe vary significantly across the families and product lines. Some have few directives in their methods. For instance, only 2 % of irssi methods have directives. On the other hand, Fig. 11 902 27,879 MDi Methods with directives; MDe Methods with dependencies; NoM Number of methods; SLoC Source lines of code.
ACM (2011) 17. : Software Product Lines in Action: The Best Industrial Practice in Product Line Engineering. Springer, Berlin (2007) 18. Matos P. : Analyzing techniques for implementing product line variabilities. Master’s thesis, Federal University of Pernambuco (2008) 19. : Version Control with Subversion, 1st edn. O’Reilly, Sebastopol (2004) 20. : Principles of Program Analysis. Springer, New York (1999) 21. : On the design and development of program families. IEEE Trans. Softw. Eng. 2(1), 1–9 (1976) 22.
Emergent Interfaces for Feature Modularization by Márcio Ribeiro, Paulo Borba, Claus Brabrand