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Versions: 16
Compression:
Stored size: 1.21 KB
Contents
module Steep
module NodeHelper
def each_child_node(node, &block)
if block
node.children.each do |child|
if child.is_a?(Parser::AST::Node)
yield child
end
end
else
enum_for :each_child_node, node
end
end
def each_descendant_node(node, &block)
if block
each_child_node(node) do |child|
yield child
each_descendant_node(child, &block)
end
else
enum_for :each_descendant_node, node
end
end
def value_node?(node)
case node.type
when :true, :false, :str, :sym, :int, :float, :nil
true
when :lvar
true
when :const
each_child_node(node).all? {|child| child.type == :cbase || value_node?(child) }
when :array
each_child_node(node).all? {|child| value_node?(child) }
when :hash
each_child_node(node).all? do |pair|
each_child_node(pair).all? {|child| value_node?(child) }
end
when :dstr
each_child_node(node).all? {|child| value_node?(child)}
when :begin
each_child_node(node).all? {|child| value_node?(child) }
else
false
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems