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

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

Constant Summary

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

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, #element_node_list, #id, #parent, #type

Instance Method Summary collapse

Methods inherited from BaseNode

#add_element_node, #add_type, #collect_info, #decide_type, #decide_type_core, #decide_type_once, #gen_type_inference_proc, #inference_type, #merge_type, #same_type, #set_type_list, #ti_add_observer, #ti_changed, #ti_update, #type_list

Methods included from Inspect

#inspect_by_graph

Constructor Details

#initialize(parent, name, offset) ⇒ LocalVarNode

Returns a new instance of LocalVarNode.



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# File 'lib/ytljit/vm.rb', line 745

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

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ytljit/vm.rb', line 751

def name
  @name
end

Instance Method Details

#collect_candidate_type(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 757

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
      same_type(self, tobj, 
                context.to_key, context.to_key(-2), context)
      same_type(tobj, self, 
                context.to_key(-2), context.to_key, context)
    end
  end
  context
end

#compile(context) ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 773

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

#size ⇒ Object 



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# File 'lib/ytljit/vm.rb', line 753

def size
  8
end