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Versions: 7
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Contents
module Treetop
module Runtime
class SyntaxNode < ParseResult
attr_reader :input, :interval
def initialize(input, interval, elements = nil, nested_results = elements)
super(input, nested_results || [])
@interval = interval
@elements = elements
end
def success?
true
end
def failure?
false
end
def terminal?
@elements.nil?
end
def nonterminal?
!terminal?
end
def elements
@elements || [self]
end
def text_value
input[interval]
end
def update_nested_results(nested_results)
new_nested_failures = collect_nested_failures_at_maximum_index(nested_results)
return if new_nested_failures.empty?
@nested_failures = new_nested_failures and return if nested_failures.empty?
current_nested_failure_index = nested_failures.first.index
new_nested_failure_index = new_nested_failures.first.index
if new_nested_failure_index > current_nested_failure_index
@nested_failures = new_nested_failures
elsif new_nested_failure_index == current_nested_failure_index
@nested_failures += new_nested_failures
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems