Class: YTLJit::VM::Node::LocalVarNode

Inherits:
BaseNode show all
Defined in:
lib/ytljit/vm.rb

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 inherited from BaseNode

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

Instance Method Summary collapse

Methods inherited from BaseNode

#add_element_node, #add_element_node_backward, #add_element_node_backward_aux, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #get_constant_value, #inference_type, #marge_element_node, #marge_type, #same_type, #search_valid_signature, #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, name, offset, kind) ⇒ LocalVarNode

Returns a new instance of LocalVarNode.



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# File 'lib/ytljit/vm.rb', line 2004

def initialize(parent, name, offset, kind)
  super(parent)
  @name = name
  @offset = offset
  @kind = kind
end

Instance Attribute Details

#kind ⇒ Object (readonly)

Returns the value of attribute kind.



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# File 'lib/ytljit/vm.rb', line 2012

def kind
  @kind
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ytljit/vm.rb', line 2011

def name
  @name
end

Instance Method Details

#collect_candidate_type(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 2037

def collect_candidate_type(context)
  flay = @parent.frame_layout
  fragstart = flay.size - @parent.argument_num
  if fragstart <= @offset then
    argoff = @offset - fragstart
    tobj = context.current_method_signature_node.last[argoff]
    if tobj then
      cursig = context.to_signature
      cursig2 = context.to_signature(-2)
      same_type(self, tobj, cursig, cursig2, context)
      # same_type(tobj, self, cursig2, cursig, context)
    end
  end
  context
end

#collect_info(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 2018

def collect_info(context)
  flay = @parent.frame_layout
  fragstart = flay.size - @parent.argument_num
  if fragstart <= @offset then
    argoff = @offset - fragstart
  else
    argoff = @offset + @parent.argument_num
  end
=begin
  # Assertion check for reverse of real_offset
  unless @offset == @parent.real_offset(argoff)
    raise
  end
=end
  topnode = @parent.parent
  context.modified_local_var.last.last[argoff] = [[topnode, self]]
  context
end

#compile(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 2066

def compile(context)
  context = super(context)
  context
end

#set_escape_node(value) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 2053

def set_escape_node(value)
  topnode = @parent.parent
  if topnode.escape_info then
    flay = @parent.frame_layout
    fragstart = flay.size - @parent.argument_num
    if fragstart <= @offset then
      argoff = @offset - fragstart
      topnode.escape_info[argoff] = value
    end
  end
  super(value)
end

#size ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 2014

def size
  8
end