rubyx/lib/register/builtin/word.rb
Torsten Ruger e551732f18 tighter integration with factory methods for adding code
define methods to collapse the code Register.
in add_code Register.factory_method
most instructions done, except op and branch that are rare
2016-12-28 20:37:54 +02:00

53 lines
1.9 KiB
Ruby

require_relative "compile_helper"
module Register
module Builtin
module Word
module ClassMethods
include CompileHelper
def putstring context
compiler = Typed::MethodCompiler.new.create_method(:Word , :putstring ).init_method
compiler.add_slot_to_reg( "putstring" , :message , :receiver , :new_message )
index = Parfait::Word.get_length_index
reg = RegisterValue.new(:r2 , :Integer)
compiler.add_slot_to_reg( "putstring" , :new_message , index , reg )
Kernel.emit_syscall( compiler , :putstring )
compiler.method
end
# self[index] basically. Index is the first arg > 0
# return (and word sized int) is stored in return_value
def get_internal_byte context
compiler = compiler_for(:Word , :get_internal_byte)
source = "get_internal_byte"
me , index = self_and_int_arg(compiler,source)
# reduce me to me[index]
compiler.add_byte_to_reg( source , me , index , me)
# and put it back into the return value
compiler.add_reg_to_slot( source , me , :message , :return_value)
return compiler.method
end
# self[index] = val basically. Index is the first arg ( >0),
# value the second
# no return
def set_internal_byte context
compiler = compiler_for(:Word, :set_internal_byte , {:value => :Integer} )
args = compiler.method.arguments
len = args.instance_length
raise "Compiler arg number mismatch, method=#{args} " if len != 3
source = "set_internal_byte"
me , index = self_and_int_arg(compiler,source)
value = load_int_arg_at(compiler , source , 2 )
# do the set
compiler.add_reg_to_byte( source , value , me , index)
return compiler.method
end
end
extend ClassMethods
end
end
end