Class: Keisan::AST::Parent
- Inherits:
-
Node
- Object
- Node
- Keisan::AST::Parent
show all
- Defined in:
- lib/keisan/ast/parent.rb
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods inherited from Node
#!, #%, #&, #*, #**, #+, #+@, #-, #-@, #/, #<, #<<, #<=, #>, #>=, #>>, #^, #and, #coerce, #contains_a?, #differentiate, #differentiated, #equal, #evaluate_assignments, #evaluated, #false?, #not_equal, #or, #replaced, #simplified, #to_cell, #to_node, #true?, #value, #well_defined?, #|, #~
Constructor Details
#initialize(children = []) ⇒ Parent
Returns a new instance of Parent.
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# File 'lib/keisan/ast/parent.rb', line 6
def initialize(children = [])
children = Array(children).map do |child|
child.is_a?(Cell) ? child : child.to_node
end
raise Exceptions::InternalError.new unless children.is_a?(Array)
@children = children
end
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Instance Attribute Details
#children ⇒ Object
Returns the value of attribute children.
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# File 'lib/keisan/ast/parent.rb', line 4
def children
@children
end
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Instance Method Details
#==(other) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 43
def ==(other)
return false unless self.class == other.class
children.size == other.children.size && children.map.with_index {|_,i|
children[i] == other.children[i]
}.all? {|bool|
bool == true
}
end
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#deep_dup ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 53
def deep_dup
dupped = dup
dupped.instance_variable_set(
:@children,
dupped.children.map(&:deep_dup)
)
dupped
end
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#evaluate(context = nil) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 62
def evaluate(context = nil)
context ||= Context.new
@children = children.map {|child| child.evaluate(context)}
self
end
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#freeze ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 38
def freeze
children.each(&:freeze)
super
end
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#replace(variable, replacement) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 74
def replace(variable, replacement)
@children = children.map {|child| child.replace(variable, replacement)}
self
end
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#simplify(context = nil) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 68
def simplify(context = nil)
context ||= Context.new
@children = @children.map {|child| child.simplify(context)}
self
end
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#traverse(&block) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 28
def traverse(&block)
value = super(&block)
return value if value
children.each do |child|
value = child.traverse(&block)
return value if value
end
false
end
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#unbound_functions(context = nil) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 21
def unbound_functions(context = nil)
context ||= Context.new
children.inject(Set.new) do |fns, child|
fns | child.unbound_functions(context)
end
end
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#unbound_variables(context = nil) ⇒ Object
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# File 'lib/keisan/ast/parent.rb', line 14
def unbound_variables(context = nil)
context ||= Context.new
children.inject(Set.new) do |vars, child|
vars | child.unbound_variables(context)
end
end
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