I am looking for a static analysis tool for Python, Ruby, Sql, Cobol, Perl, PL/SQL, SQL similar to find bugs and check style. I am looking for calculating the line count, identify bugs during the development, and enforcing coding standard.
Perl has Perl::Critic (and perlcritic.com)
For Ruby, you're probably best served looking at this previous SO question:
which seems pretty thorough.
Sonar has a PL/SQL plugin that is based on Toad CodeXpert code analyzer.
See various static analysis tools from Semantic Designs.
These cover standard metrics for Java, C# and COBOL. There are also tools to detect duplicate code (clones) for many languages, including Python, Java, PL/SQL (from your list).
Finally, there is a style checker (coding standards checks) for COBOL (with optional Eclipse plugin) that offers refactoring support to fix some of the style errors.
I use Pylint for Python which was nicely integrated into Komodo by Brandon Corfman (if ActiveState's Komodo is your thing).
来源:https://stackoverflow.com/questions/956104/is-there-a-static-analysis-tool-for-python-ruby-sql-cobol-perl-and-pl-sql