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Contents
# frozen_string_literal: true
module Mutant
class Mutator
class Node
module NamedValue
# Mutation emitter to handle variable assignment nodes
class VariableAssignment < Node
children :name, :value
map = {
gvasgn: '$',
cvasgn: '@@',
ivasgn: '@',
lvasgn: EMPTY_STRING
}
MAP = IceNine.deep_freeze(
Hash[map.map { |type, prefix| [type, [prefix, /^#{::Regexp.escape(prefix)}/]] }]
)
handle(*MAP.keys)
private
# Emit mutations
#
# @return [undefined]
def dispatch
emit_singletons
mutate_name
emit_value_mutations if value # op asgn!
end
# Emit name mutations
#
# @return [undefined]
def mutate_name
prefix, regexp = MAP.fetch(node.type)
stripped = name.to_s.sub(regexp, EMPTY_STRING)
Util::Symbol.call(stripped).each do |name|
emit_name(:"#{prefix}#{name}")
end
end
end # VariableAssignment
end # NamedValue
end # Node
end # Mutator
end # Mutant
Version data entries
17 entries across 17 versions & 1 rubygems