class Prism::BasicVisitor
A class that knows how to walk down the tree. None of the individual visit methods are implemented on this visitor, so it forces the consumer to implement each one that they need. For a default implementation that continues walking the tree, see the Visitor
class.
Public Instance Methods
visit(node)
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Calls ‘accept` on the given node if it is not `nil`, which in turn should call back into this visitor by calling the appropriate `visit_*` method.
# File prism/visitor.rb, line 16 def visit(node) node&.accept(self) end
visit_all(nodes)
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Visits each node in ‘nodes` by calling `accept` on each one.
# File prism/visitor.rb, line 21 def visit_all(nodes) nodes.each { |node| node&.accept(self) } end
visit_child_nodes(node)
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Visits the child nodes of ‘node` by calling `accept` on each one.
# File prism/visitor.rb, line 26 def visit_child_nodes(node) node.compact_child_nodes.each { |node| node.accept(self) } end