class RegularExpression::AST::Anchor
Attributes
value[R]
Public Class Methods
new(value)
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# File lib/regular_expression/ast.rb, line 232 def initialize(value) @value = value end
Public Instance Methods
to_dot(parent)
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# File lib/regular_expression/ast.rb, line 236 def to_dot(parent) parent.add_node(object_id, label: value, shape: "box") end
to_nfa(start, finish)
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# File lib/regular_expression/ast.rb, line 240 def to_nfa(start, finish) transition = case value when "\\A" NFA::Transition::BeginAnchor.new(finish) when "\\z", "$" NFA::Transition::EndAnchor.new(finish) end start.add_transition(transition) end