Creates a regular expression to match IPv4 addresses
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.
Visit the child nodes of the given node.
Compile a FloatNode node
Compile a ImaginaryNode node
Compile a RationalNode node
Compile a SplatNode node
Compile a StatementsNode node
Dispatch enter and leave events for FloatNode nodes and continue walking the tree.
Dispatch enter and leave events for ImaginaryNode 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 SplatNode nodes and continue walking the tree.