Class: YTLJit::VM::Node::BaseNode
Direct Known Subclasses
BranchCommonNode, ClassValueNode, GuardNode, JumpNode, LetNode, LiteralNode, LocalFrameInfoNode, LocalLabel, LocalVarNode, MethodEndNode, MethodSelectNode, PhiNode, SendNode, SetResultNode, SpecialObjectNode, SystemValueNode, TopNode, VariableRefCommonNode, YieldNode
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, 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
Instance Method Summary
collapse
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#add_element_node(sig, enode, context) ⇒ Object
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#collect_candidate_type(context) ⇒ Object
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#collect_info(context) ⇒ Object
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#compile(context) ⇒ Object
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#decide_type(sig) ⇒ Object
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#decide_type_core(tlist) ⇒ Object
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#decide_type_once(sig) ⇒ Object
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#gen_type_inference_proc(code) ⇒ Object
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#get_constant_value ⇒ Object
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#inference_type ⇒ Object
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#initialize(parent) ⇒ BaseNode
constructor
A new instance of BaseNode.
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#merge_type(dst, src) ⇒ Object
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#same_type(dst, src, dsig, ssig, context) ⇒ Object
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#ti_add_observer(dst, dsig, ssig, context) ⇒ Object
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#ti_changed ⇒ Object
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#ti_del_link(visitnode = {}) ⇒ Object
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#ti_reset(visitnode = {}) ⇒ Object
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#ti_update(dst, src, dsig, ssig, context) ⇒ Object
#add_type, #set_type_list, #type_list, #type_list_initvar
Methods included from Inspect
#inspect_by_graph
Constructor Details
#initialize(parent) ⇒ BaseNode
Returns a new instance of BaseNode.
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# File 'lib/ytljit/vm.rb', line 150
def initialize(parent)
cs = CodeSpace.new
asm = Assembler.new(cs)
asm.with_retry do
asm.mov(TMPR, 4)
asm.ret
end
@parent = parent
@code_space = nil
@id = nil
if @parent then
@id = @parent.id.dup
@id[-1] = @id[-1] + 1
else
@id = [0]
end
@type = nil
@type_list = type_list_initvar
@element_node_list = []
@my_element_node = nil
@type_inference_proc = cs
@type_cache = nil
@ti_observer = {}
@ti_observee = []
end
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Instance Attribute Details
#code_space ⇒ Object
Returns the value of attribute code_space.
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# File 'lib/ytljit/vm.rb', line 182
def code_space
@code_space
end
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#element_node_list ⇒ Object
Returns the value of attribute element_node_list.
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# File 'lib/ytljit/vm.rb', line 186
def element_node_list
@element_node_list
end
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Returns the value of attribute id.
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# File 'lib/ytljit/vm.rb', line 183
def id
@id
end
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Returns the value of attribute parent.
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# File 'lib/ytljit/vm.rb', line 181
def parent
@parent
end
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#ti_observee ⇒ Object
Returns the value of attribute ti_observee.
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# File 'lib/ytljit/vm.rb', line 189
def ti_observee
@ti_observee
end
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#ti_observer ⇒ Object
Returns the value of attribute ti_observer.
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# File 'lib/ytljit/vm.rb', line 188
def ti_observer
@ti_observer
end
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Returns the value of attribute type.
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# File 'lib/ytljit/vm.rb', line 185
def type
@type
end
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Instance Method Details
#add_element_node(sig, enode, context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 322
def add_element_node(sig, enode, context)
slfetnode = @element_node_list
unless slfetnode.include?(enode)
@element_node_list.push [sig, enode]
orgsig = @element_node_list[0][0]
orgnode = @element_node_list[0][1]
if orgnode != enode then
same_type(orgnode, enode, orgsig, sig, context)
end
ti_changed
end
end
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#collect_candidate_type(context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 336
def collect_candidate_type(context)
raise "You must define collect_candidate_type per node"
context
end
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#collect_info(context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 191
def collect_info(context)
if is_a?(HaveChildlenMixin) then
traverse_childlen {|rec|
context = rec.collect_info(context)
}
end
context
end
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#compile(context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 395
def compile(context)
@code_space = context.code_space
context
end
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#decide_type(sig) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 377
def decide_type(sig)
decide_type_once(sig)
if is_a?(HaveChildlenMixin) then
traverse_childlen {|rec|
rec.decide_type(sig)
}
end
end
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#decide_type_core(tlist) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 341
def decide_type_core(tlist)
tlist = tlist.select {|e| e.class != RubyType::DefaultType0 }
case tlist.size
when 0
RubyType::DefaultType0.new
when 1
if tlist[0].have_element? then
sig = @element_node_list[0][0]
node = @element_node_list[0][1]
node.decide_type_once(sig)
tlist[0].element_type = node.type
end
tlist[0]
when 2
if tlist[0].ruby_type == tlist[1].ruby_type and
tlist[0].boxed then
tlist[0]
else
tlist[1]
end
else
RubyType::DefaultType0.new
end
end
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#decide_type_once(sig) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 368
def decide_type_once(sig)
if @type.equal?(nil) or @type.is_a?(RubyType::DefaultType0) then
tlist = type_list(sig).flatten.uniq
@type = decide_type_core(tlist)
else
@type
end
end
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#gen_type_inference_proc(code) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 392
def gen_type_inference_proc(code)
end
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#get_constant_value ⇒ Object
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# File 'lib/ytljit/vm.rb', line 400
def get_constant_value
nil
end
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#inference_type ⇒ Object
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# File 'lib/ytljit/vm.rb', line 387
def inference_type
cs = @type_inference_proc
cs.call(cs.var_base_address)
end
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#merge_type(dst, src) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 258
def merge_type(dst, src)
res = dst
src.each do |sele|
if !res.include? sele then
res.push sele
end
end
res
end
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#same_type(dst, src, dsig, ssig, context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 301
def same_type(dst, src, dsig, ssig, context)
=begin
print "#{src.class} -> #{dst.class} \n"
if dst.is_a?(LocalVarNode) then
print "#{dst.name} \n"
end
if dst.is_a?(LiteralNode) then
print "#{dst.value.inspect} \n"
end
if dst.is_a?(SendNode) then
print "#{dst.func.name} \n"
end
=end
if dst.is_a?(BaseNode) then
src.ti_add_observer(dst, dsig, ssig, context)
end
ti_update(dst, src, dsig, ssig, context)
end
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#ti_add_observer(dst, dsig, ssig, context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 201
def ti_add_observer(dst, dsig, ssig, context)
if @ti_observer[dst] == nil then
@ti_observer[dst] = []
dst.ti_observee.push self
end
if @ti_observer[dst].all? {|edsig, essig, eprc|
(edsig != dsig) or (essig != ssig)
} then
prc = lambda { send(:ti_update, dst, self, dsig, ssig, context) }
@ti_observer[dst].push [dsig, ssig, prc]
end
end
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#ti_changed ⇒ Object
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# File 'lib/ytljit/vm.rb', line 215
def ti_changed
@ti_observer.each do |rec, lst|
lst.each do |dsig, ssig, prc|
prc.call
end
end
end
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#ti_del_link(visitnode = {}) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 238
def ti_del_link(visitnode = {})
if visitnode[self] then
return
end
visitnode[self] = true
@ti_observer.each do |rec, lst|
delent = []
lst.each do |ent|
delent.push ent
rec.ti_del_link(visitnode)
end
delent.each do |ent|
lst.delete(ent)
end
end
end
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#ti_reset(visitnode = {}) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 223
def ti_reset(visitnode = {})
if visitnode[self] then
return
end
visitnode[self] = true
@ti_observer.each do |rec, lst|
lst.each do |dsig, ssig, prc|
rec.type_list(dsig)[1] = []
rec.ti_reset(visitnode)
end
end
end
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#ti_update(dst, src, dsig, ssig, context) ⇒ Object
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# File 'lib/ytljit/vm.rb', line 269
def ti_update(dst, src, dsig, ssig, context)
dtlistorg = dst.type_list(dsig)
dtlist = dtlistorg.flatten
stlist = src.type_list(ssig).flatten
=begin
print "UPDATE TYPE\n"
print "#{src.class} #{ssig.inspect} -> #{dst.class} #{dsig.inspect}\n"
print dtlist.map(&:ruby_type), "\n"
print stlist.map(&:ruby_type), "\n"
=end
orgsize = dtlist.size
newdt = merge_type(dtlistorg[1], stlist)
dst.set_type_list(dsig, newdt)
dtsize = dtlistorg[0].size + newdt.size
if orgsize != dtsize then
dst.type = nil
dst.ti_changed
context.convergent = false
end
dtlist = dst.element_node_list
stlist = src.element_node_list
orgsize = dtlist.size
dst.element_node_list = merge_type(dtlist, stlist)
if orgsize != dtlist.size then
dst.ti_changed
context.convergent = false
end
end
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