change calling convention

Message carries arrays for arguments and locals
This means an extra load for any access
Also fix silly bug: using the wrong method (the one we’re in, not the
one we’re calling)
This commit is contained in:
Torsten Ruger 2016-12-27 20:37:53 +02:00
parent 3c3dedadd1
commit f1cfd3c379

View File

@ -10,13 +10,19 @@ module Typed
add_code Register.slot_to_reg(statement, :message , :next_message , new_message )
me = get_me( statement )
type = get_my_type(me)
method = type.get_instance_method(statement.name)
raise "Method not implemented #{type.inspect}.#{statement.name}" unless method
# move our receiver there
add_code Register.reg_to_slot( statement , me , :new_message , :receiver)
set_message_details(statement , statement.arguments)
set_arguments(statement.arguments)
set_message_details(method , statement , statement.arguments)
set_arguments(method , statement.arguments)
ret = use_reg( :Integer ) #FIXME real return type
do_call(type , statement)
Register.issue_call( self , method )
# the effect of the method is that the NewMessage Return slot will be filled, return it
# but move it into a register too
add_code Register.slot_to_reg(statement, :new_message , :return_value , ret )
@ -48,44 +54,44 @@ module Typed
type
end
def do_call( type , statement )
name = statement.name
#puts "type #{type.inspect}"
method = type.get_instance_method(name)
#puts type.method_names.to_a
raise "Method not implemented #{type.inspect}.#{name}" unless method
Register.issue_call( self , method )
end
# load method name and set to new message (for exceptions/debug)
def set_message_details name_s , arguments
def set_message_details( method , name_s , arguments )
name = name_s.name
name_tmp = use_reg(:Word)
add_code Register::LoadConstant.new(name_s, name , name_tmp)
add_code Register.reg_to_slot( name_s , name_tmp , :new_message , :name)
add_code Register::LoadConstant.new("#{name} load method name", name , name_tmp)
add_code Register.reg_to_slot( "#{name} store method name" , name_tmp , :new_message , :name)
# next arg and local types
args_reg = use_reg(:Type , @method.arguments )
args_reg = use_reg(:Type , method.arguments )
list_reg = use_reg(:NamedList , arguments )
add_code Register::LoadConstant.new(name_s, @method , args_reg)
add_code Register.slot_to_reg( name_s , :message , :arguments , list_reg )
add_code Register.reg_to_slot( name_s , args_reg , list_reg , 1 )
add_code Register::LoadConstant.new("#{name} load methods", method , args_reg)
args_type_index = method.get_type().variable_index(:arguments)
raise args_type_index.to_s unless args_type_index == 6
add_code Register.slot_to_reg( "#{name} get args type from method" , args_reg , args_type_index , args_reg )
add_code Register.slot_to_reg( "#{name} get args from method" , :new_message , :arguments , list_reg )
add_code Register.reg_to_slot( "#{name} store args type in args" , args_reg , list_reg , 1 )
#FIXME need to set type of locals too. sama sama
# len_tmp = use_reg(:Integer , arguments.to_a.length )
# add_code Register::LoadConstant.new(name_s, arguments.to_a.length , len_tmp)
# add_code Register.reg_to_slot( name_s , len_tmp , :new_message , :indexed_length)
end
def set_arguments arguments
def set_arguments( method , arguments )
# reset tmp regs for each and load result into new_message
arguments.to_a.each_with_index do |arg , i|
arg_type = method.arguments
message = "Arg number mismatch, method=#{arg_type.instance_length - 1} , call=#{arguments.length}"
raise message if (arg_type.instance_length - 1 ) != arguments.length
arguments.each_with_index do |arg , i |
reset_regs
# processing should return the register with the value
val = process( arg)
raise "Not register #{val}" unless val.is_a?(Register::RegisterValue)
#FIXME definately needs some tests
raise "TypeMismatch calling with #{val.type} , instead of #{arg_type.type_at(i + 2)}" if val.type != arg_type.type_at(i + 2)
list_reg = use_reg(:NamedList , arguments )
add_code Register.slot_to_reg( "Set arg #{i}#{arg}" , :message , :arguments , list_reg )
# which we load int the new_message at the argument's index (the one comes from c index)
set = Register.reg_to_slot( arg , val , list_reg , i + 1 )
add_code Register.slot_to_reg( "Set arg #{i}:#{arg}" , :new_message , :arguments , list_reg )
# which we load int the new_message at the argument's index
set = Register.reg_to_slot( arg , val , list_reg , i + 2 ) #one for type and one for ruby
add_code set
end
end