Check that a method is callable via dRuby.
obj is the object we want to invoke the method on. msg_id is the method name, as a Symbol.
If the method is an insecure method (see insecure_method?) a SecurityError is thrown. If the method is private or undefined, a NameError is thrown.
Compile a ParenthesesNode node
Compile a RationalNode node
Compile a StatementsNode node
Dispatch enter and leave events for ParenthesesNode nodes and continue walking the tree.
Dispatch enter and leave events for RationalNode nodes and continue walking the tree.
Dispatch enter and leave events for StatementsNode nodes and continue walking the tree.
Visit a RationalNode node.
Visit a StatementsNode node.
Creates an option parser and fills it in with the help info for the command.
True if the gems in the system satisfy dependency.