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Versions: 8
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Stored size: 1.94 KB
Contents
# frozen_string_literal: true
module Mutant
class Mutator
class Node
# Namespace for define mutations
class Define < self
private
# Emit mutations
#
# @return [undefined]
def dispatch
emit_arguments_mutations
emit_optarg_body_assignments
emit_restarg_body_mutation
emit_body(N_RAISE)
emit_body(N_ZSUPER)
emit_body(nil)
emit_body_mutations if body
end
# Emit mutations with optional arguments as assignments in method
#
# @return [undefined]
def emit_optarg_body_assignments
arguments.children.each do |argument|
next unless n_optarg?(argument) && AST::Meta::Optarg.new(argument).used?
emit_body_prepend(s(:lvasgn, *argument))
end
end
# Emit mutation with arg splat as empty array assignment in method
#
# @return [undefined]
def emit_restarg_body_mutation
arguments.children.each do |argument|
next unless n_restarg?(argument) && argument.children.one?
emit_body_prepend(s(:lvasgn, AST::Meta::Restarg.new(argument).name, s(:array)))
end
end
# Emit valid body ASTs depending on instance body
#
# @param node [Parser::AST::Node]
#
# @return [undefined]
def emit_body_prepend(node)
if body
emit_body(s(:begin, node, body))
else
emit_body(node)
end
end
# Mutator for instance method defines
class Instance < self
handle :def
children :name, :arguments, :body
end # Instance
# Mutator for singleton method defines
class Singleton < self
handle :defs
children :subject, :name, :arguments, :body
end # Singleton
end # Define
end # Node
end # Mutator
end # Mutant
Version data entries
8 entries across 8 versions & 1 rubygems