rubyx/lib/mom/builtin/word.rb
Torsten Rüger 9a2716280c Extracting the mom instruction from builtin modules
Since they were embedded at first (easier copy/paste) they now got own files, like their brethren
also mini tests for each instruction , nice start
2019-08-12 13:16:15 +03:00

44 lines
1.6 KiB
Ruby

require_relative "get_internal_byte"
require_relative "set_internal_byte"
require_relative "putstring"
module Mom
module Builtin
module Word
module ClassMethods
include CompileHelper
# wrapper for the syscall
# io/file currently hardcoded to stdout
# set up registers for syscall, ie
# - pointer in r1
# - length in r2
# - emit_syscall (which does the return of an integer, see there)
def putstring( context)
compiler = compiler_for(:Word , :putstring ,{})
compiler.add_code Putstring.new("putstring")
return compiler
end
# self[index] basically. Index is the first arg > 0
# return a word sized new int, in return_value
#
# Note: no index (or type) checking. Method should be internal and check before.
# Which means the returned integer could be passed in, instead of allocated.
def get_internal_byte( context)
compiler = compiler_for(:Word , :get_internal_byte , {at: :Integer})
compiler.add_code GetInternalByte.new("get_internal_byte")
return compiler
end
# self[index] = val basically. Index is the first arg ( >0 , unchecked),
# value the second, which is also returned
def set_internal_byte( context )
compiler = compiler_for(:Word, :set_internal_byte , {at: :Integer , value: :Integer} )
compiler.add_code SetInternalByte.new("set_internal_byte")
return compiler
end
end
extend ClassMethods
end
end
end