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# frozen_string_literal: true
require_relative 'false'
require_relative 'true'
module Loxxy
module Datatype
# Class for representing a Lox string of characters value.
class LXString < BuiltinDatatype
# Check the equality of a Lox String with another Lox object.
# @param other [Datatype::LxString, String, Object]
# @return [Datatype::Boolean]
def ==(other)
case other
when LXString
(value == other.value) ? True.instance : False.instance
when String
(value == other) ? True.instance : False.instance
else
False.instance
end
end
# Perform the concatenation of two Lox stings or
# one Lox string and a Ruby String
# @param other [Loxxy::Datatype::LXString, String]
# @return [Loxxy::Datatype::LXString]
def +(other)
case other
when LXString
self.class.new(value + other.value)
when Numeric
self.class.new(value + other)
else
err_msg = "`+': #{other.class} can't be coerced into #{self.class} (TypeError)"
raise TypeError, err_msg
end
end
# Method called from Lox to obtain the text representation of the object.
# @return [String]
def to_str
value
end
protected
def validated_value(aValue)
unless aValue.is_a?(String)
raise StandardError, "Invalid number value #{aValue}"
end
# Remove double quotes delimiter
aValue.gsub(/(^")|("$)/, '')
end
end # class
end # module
end # module
Version data entries
40 entries across 40 versions & 1 rubygems