User loginNavigation |
Ï€: a pattern languageπ - not to be confused with the π-calculus - is a pattern-based language being developed by the Software Technology group at Technische UniversitÃ¤t Darmstadt. Quoting from the project website:
The basic idea here seems similar to the OMeta language, previously mentioned on LtU here, but based on EBNF instead of Parsing Expression Grammars (PEGs). Pattern definitions in π have the form declare_pattern name â‰” syntax â‡’ type âžž meaning; Here's a trivial example of defining a pattern: declare_pattern integer_potentiation â‰” integer:i %W- "^" %W- integer:j â‡’ integer âžž { int result = i; for (int k = 1; k <= j-1; k++) result *= i; return result; }; The resulting pattern can then be used directly in expressions, such as More information about the language, as well as the implementation, can be found at http://www.pi-programming.org. There's an OOPSLA09 paper on π as well, but I haven't been able to find an open access version of it yet. [Update: the π team has made their OOPSLA article available here] |
Browse archivesActive forum topics |
Recent comments
1 hour 37 min ago
1 hour 51 min ago
2 hours 8 min ago
2 hours 45 min ago
2 hours 51 min ago
9 hours 53 min ago
20 hours 16 min ago
20 hours 31 min ago
1 day 4 hours ago
1 day 19 hours ago