class RuboCop::Cop::VariableForce::Assignment
This class represents each assignment of a variable.
Constants
- MULTIPLE_LEFT_HAND_SIDE_TYPE
Attributes
node[R]
referenced[R]
referenced?[R]
variable[R]
Public Class Methods
new(node, variable)
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# File lib/rubocop/cop/variable_force/assignment.rb, line 14 def initialize(node, variable) unless VARIABLE_ASSIGNMENT_TYPES.include?(node.type) raise ArgumentError, "Node type must be any of #{VARIABLE_ASSIGNMENT_TYPES}, " \ "passed #{node.type}" end @node = node @variable = variable @referenced = false end
Public Instance Methods
meta_assignment_node()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 61 def meta_assignment_node unless instance_variable_defined?(:@meta_assignment_node) @meta_assignment_node = operator_assignment_node || multiple_assignment_node end @meta_assignment_node end
multiple_assignment?()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 51 def multiple_assignment? return false unless meta_assignment_node meta_assignment_node.type == MULTIPLE_ASSIGNMENT_TYPE end
name()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 26 def name @node.children.first end
operator()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 56 def operator assignment_node = meta_assignment_node || @node assignment_node.loc.operator.source end
operator_assignment?()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 46 def operator_assignment? return false unless meta_assignment_node OPERATOR_ASSIGNMENT_TYPES.include?(meta_assignment_node.type) end
reference!()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 34 def reference! @referenced = true end
regexp_named_capture?()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 42 def regexp_named_capture? @node.type == REGEXP_NAMED_CAPTURE_TYPE end
scope()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 30 def scope @variable.scope end
used?()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 38 def used? @variable.captured_by_block? || @referenced end
Private Instance Methods
multiple_assignment_node()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 79 def multiple_assignment_node grandparent_node = node.parent ? node.parent.parent : nil return nil unless grandparent_node return nil unless grandparent_node.type == MULTIPLE_ASSIGNMENT_TYPE return nil unless node.parent.type == MULTIPLE_LEFT_HAND_SIDE_TYPE grandparent_node end
operator_assignment_node()
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# File lib/rubocop/cop/variable_force/assignment.rb, line 72 def operator_assignment_node return nil unless node.parent return nil unless OPERATOR_ASSIGNMENT_TYPES.include?(node.parent.type) return nil unless node.sibling_index.zero? node.parent end