Class: Exercism::Processors::IterMutationProcessor

Inherits:
Processor
  • Object
show all
Defined in:
lib/exercism-analysis/processors/iter_mutation_processor.rb

Defined Under Namespace

Classes: Mutation, Mutator

Constant Summary collapse

SIDE_EFFECTS = 
%w(<< push)

Instance Method Summary collapse

Methods inherited from Processor

#find_exp, #find_exps

Constructor Details

#initialize ⇒ IterMutationProcessor

Returns a new instance of IterMutationProcessor.



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# File 'lib/exercism-analysis/processors/iter_mutation_processor.rb', line 11

def initialize
  @mutations = []
end

Instance Method Details

#process_def(exp) ⇒ Object 



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# File 'lib/exercism-analysis/processors/iter_mutation_processor.rb', line 15

def process_def(exp)
  assignment = find_exp(exp, :assign) {|e| e.body.type == :array }
  call_to_each = find_exp(exp, :call) {|e| e.block }
  if assignment && call_to_each
    if mutating_exps = find_mutations_in_block(assignment, call_to_each)
      mutators = mutating_exps.map do |exp|
        Mutator.new(exp, condition_surrounding_mutation(exp, call_to_each.block))
      end
      mutation = Mutation.new(call_to_each, assignment, mutators)
      @mutations << mutation
    end
  end
end

#result ⇒ Object 



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# File 'lib/exercism-analysis/processors/iter_mutation_processor.rb', line 29

def result
  @mutations
end