58 lines
1.3 KiB
Ruby
58 lines
1.3 KiB
Ruby
module Mutant
|
|
class Mutator
|
|
class Node
|
|
# Abstract mutator for literal AST nodes
|
|
class Literal < self
|
|
include AbstractType
|
|
|
|
private
|
|
|
|
# Emit a new node with wrapping class for each entry in values
|
|
#
|
|
# @param [Array] values
|
|
#
|
|
# @return [undefined]
|
|
#
|
|
# @api private
|
|
#
|
|
def emit_values(values)
|
|
values.each do |value|
|
|
emit_self(value)
|
|
end
|
|
end
|
|
|
|
# Return AST representing NaN
|
|
#
|
|
# @return [Parser::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
def nan
|
|
zero_float = new_float(0)
|
|
new_send_with_arguments(zero_float, :/, zero_float)
|
|
end
|
|
|
|
# Return AST representing negative infinity
|
|
#
|
|
# @return [Parser::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
def negative_infinity
|
|
new_send_with_arguments(new_float(-1), :/, new_float(0))
|
|
end
|
|
|
|
# Return AST representing infinity
|
|
#
|
|
# @return [Parser::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
def infinity
|
|
new_send_with_arguments(new_float(1), :/, new_float(0))
|
|
end
|
|
|
|
end # Literal
|
|
end # Node
|
|
end # Mutator
|
|
end # Mutant
|