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 lib/prism/visitor.rb, line 17 def visit(node) # @type self: _Visitor node&.accept(self) end
visit_all(nodes)
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Visits each node in nodes
by calling accept
on each one.
# File lib/prism/visitor.rb, line 23 def visit_all(nodes) # @type self: _Visitor 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 lib/prism/visitor.rb, line 29 def visit_child_nodes(node) # @type self: _Visitor node.compact_child_nodes.each { |node| node.accept(self) } end