Class: YTLJit::VM::Node::SetResultNode

Inherits:
BaseNode show all
Includes:
HaveChildlenMixin, NodeUtil
Defined in:
lib/ytljit/vm.rb

Overview

Set result of method/block

Constant Summary

Constants inherited from BaseNode

BaseNode::ESCAPE_LEVEL

Constants included from AbsArch

AbsArch::AL, AbsArch::BL, AbsArch::CL, AbsArch::DL, AbsArch::FUNC_ARG, AbsArch::FUNC_ARG_YTL, AbsArch::FUNC_FLOAT_ARG, AbsArch::FUNC_FLOAT_ARG_YTL, AbsArch::INDIRECT_BPR, AbsArch::INDIRECT_RETR, AbsArch::INDIRECT_SPR, AbsArch::INDIRECT_TMPR, AbsArch::INDIRECT_TMPR2, AbsArch::INDIRECT_TMPR3

Constants included from SSE

SSE::XMM0, SSE::XMM1, SSE::XMM2, SSE::XMM3, SSE::XMM4, SSE::XMM5, SSE::XMM6, SSE::XMM7

Instance Attribute Summary collapse

Attributes included from HaveChildlenMixin

#body

Attributes inherited from BaseNode

#code_space, #debug_info, #element_node_list, #id, #is_escape, #parent, #ti_observee, #ti_observer, #type

Instance Method Summary collapse

Methods included from NodeUtil

#search_class_top, #search_end, #search_frame_info, #search_top

Methods inherited from BaseNode

#add_element_node, #add_element_node_backward, #collect_info, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #get_constant_value, #inference_type, #marge_element_node, #marge_type, #same_type, #set_escape_node, #set_escape_node_backward, #ti_add_observer, #ti_changed, #ti_del_link, #ti_reset, #ti_update

Methods included from TypeListWithSignature

#add_type, #set_type_list, #type_list, #type_list_initvar

Methods included from Inspect

#inspect_by_graph

Constructor Details

#initialize(parent, valnode) ⇒ SetResultNode

Returns a new instance of SetResultNode.



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# File 'lib/ytljit/vm.rb', line 1931

def initialize(parent, valnode)
  super(parent)
  @value_node = valnode
  @class_top_node = search_class_top
end

Instance Attribute Details

#value_node ⇒ Object (readonly)

Returns the value of attribute value_node.



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# File 'lib/ytljit/vm.rb', line 1937

def value_node
  @value_node
end

Instance Method Details

#collect_candidate_type(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 1944

def collect_candidate_type(context)
  cursig = context.to_signature
  context = @value_node.collect_candidate_type(context)
  same_type(self, @value_node, cursig, cursig, context)
  same_type(@value_node, self, cursig, cursig, context)

#          @type = nil
  rtype = decide_type_once(cursig)
  rrtype = rtype.ruby_type
  if !rtype.boxed and rrtype != Fixnum and rrtype != Float then
    set_escape_node_backward(:local_export)
  else
    set_escape_node_backward(:not_export)
  end
  @body.collect_candidate_type(context)
end

#compile(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 1961

def compile(context)
  context = super(context)
  context = @value_node.compile(context)
  if context.ret_reg != RETR then
    if context.ret_reg.is_a?(OpRegXMM) then
=begin
         decide_type_once(context.to_signature)
         context = @type.gen_boxing(context)
         if context.ret_reg != RETR then
           curas = context.assembler
           curas.with_retry do
            curas.mov(RETR, context.ret_reg)
          end
           
           context.set_reg_content(RETR, context.ret_node)
         end
=end
      context.set_reg_content(context.ret_reg, context.ret_node)
    else
      curas = context.assembler
      curas.with_retry do
        curas.mov(RETR, context.ret_reg)
      end
      context.set_reg_content(RETR, context.ret_node)
      context.ret_reg = RETR
    end
  else
    context.set_reg_content(RETR, context.ret_node)
    context.ret_reg = RETR
  end

  @body.compile(context)
end

#traverse_childlen {|@value_node| ... } ⇒ Object

Yields:



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# File 'lib/ytljit/vm.rb', line 1939

def traverse_childlen
  yield @value_node
  yield @body
end