rubyx/lib/register/passes/call_implementation.rb
2015-06-21 17:22:51 +03:00

28 lines
868 B
Ruby

module Register
# Defines the method call, ie
# - move the new_message to message
# - unroll self and
# - register call
# all in all, quite the reverse of a return
class CallImplementation
def run block
block.codes.dup.each do |code|
next unless code.is_a? Virtual::MethodCall
new_codes = []
slot = Virtual::Slot
# move the current new_message to message
new_codes << RegisterTransfer.new( slot::NEW_MESSAGE_REGISTER , slot::MESSAGE_REGISTER )
# "roll out" self into its register
new_codes << GetSlot.new( slot::SELF_REGISTER ,slot::MESSAGE_REGISTER , Virtual::MESSAGE_SELF )
# do the register call
new_codes << FunctionCall.new( code.method )
block.replace(code , new_codes )
end
end
end
Virtual.machine.add_pass "Register::CallImplementation"
end