rubyx/lib/vm/string_literal.rb

30 lines
779 B
Ruby

require "vm/code"
module Vm
# The name really says it all.
# The only interesting thing is storage.
# Currently string are stored "inline" , ie in the code segment.
# Mainly because that works an i aint no elf expert.
class StringLiteral < Vm::Code
# currently aligned to 4 (ie padded with 0) and off course 0 at the end
def initialize(str)
length = str.length
# rounding up to the next 4 (always adding one for zero pad)
pad = ((length / 4 ) + 1 ) * 4 - length
raise "#{pad} #{self}" unless pad >= 1
@string = str + "\x00" * pad
end
# the strings length plus padding
def length
@string.length
end
# just writing the string
def assemble(io)
io << @string
end
end
end