Module: YTLJit::VM::YARVTranslatorSimpleMixin
- Includes:
- Node
- Included in:
- YARVTranslatorCRubyObject, YARVTranslatorSimple
- Defined in:
- lib/ytljit/vm_trans.rb
Instance Method Summary collapse
- #depth_of_block(code) ⇒ Object
- #gen_arg_node(context, sendnode, func, args) ⇒ Object
-
#get_self_object(context) ⇒ Object
getclassvariable setclassvariable.
- #get_vmnode_from_label(context, label) ⇒ Object
-
#newinst_to_sendnode(argnum, klass, code, ins, context) ⇒ Object
toregexp.
- #visit_block_end(code, ins, context) ⇒ Object
- #visit_block_start(code, ins, context) ⇒ Object
- #visit_branchif(code, ins, context) ⇒ Object
- #visit_branchunless(code, ins, context) ⇒ Object
- #visit_concatstrings(code, ins, context) ⇒ Object
- #visit_defineclass(code, ins, context) ⇒ Object
- #visit_dup(code, ins, context) ⇒ Object
- #visit_duparray(code, ins, context) ⇒ Object
- #visit_dupn(code, ins, context) ⇒ Object
- #visit_getconstant(code, ins, context) ⇒ Object
-
#visit_getdynamic(code, ins, context) ⇒ Object
getspecial setspecial.
- #visit_getglobal(code, ins, context) ⇒ Object
- #visit_getlocal(code, ins, context) ⇒ Object
- #visit_invokeblock(code, ins, context) ⇒ Object
- #visit_invokesuper(code, ins, context) ⇒ Object
- #visit_jump(code, ins, context) ⇒ Object
- #visit_leave(code, ins, context) ⇒ Object
- #visit_newarray(code, ins, context) ⇒ Object
-
#visit_newhash(code, ins, context) ⇒ Object
expandarray concatarray splatarray checkincludearray.
- #visit_newrange(code, ins, context) ⇒ Object
- #visit_nop(code, ins, context) ⇒ Object
- #visit_pop(code, ins, context) ⇒ Object
- #visit_putiseq(code, ins, context) ⇒ Object
- #visit_putnil(code, ins, context) ⇒ Object
- #visit_putobject(code, ins, context) ⇒ Object
- #visit_putself(code, ins, context) ⇒ Object
- #visit_putspecialobject(code, ins, context) ⇒ Object
- #visit_putstring(code, ins, context) ⇒ Object
- #visit_send(code, ins, context) ⇒ Object
- #visit_setconstant(code, ins, context) ⇒ Object
- #visit_setdynamic(code, ins, context) ⇒ Object
- #visit_setglobal(code, ins, context) ⇒ Object
- #visit_setlocal(code, ins, context) ⇒ Object
- #visit_setn(code, ins, context) ⇒ Object
- #visit_swap(code, ins, context) ⇒ Object
- #visit_symbol(code, ins, context) ⇒ Object
- #visit_throw(code, ins, context) ⇒ Object
-
#visit_topn(code, ins, context) ⇒ Object
reput.
- #visit_tostring(code, ins, context) ⇒ Object
-
#visit_trace(code, ins, context) ⇒ Object
adjuststack defined.
Methods included from Node
Instance Method Details
#depth_of_block(code) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 286 def depth_of_block(code) dep = 0 ccode = code while ccode.header['type'] == :block ccode = ccode.parent dep += 1 end dep end |
#gen_arg_node(context, sendnode, func, args) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 183 def gen_arg_node(context, sendnode, func, args) curnode = context.current_node nnode = sendnode.new(curnode, func, args, 0, 0) nnode.debug_info = context.debug_info func.parent = nnode nnode end |
#get_self_object(context) ⇒ Object
getclassvariable setclassvariable
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# File 'lib/ytljit/vm_trans.rb', line 363 def get_self_object(context) klass = context.expstack.pop case klass when ConstantRefNode klass = klass.value_node when LiteralNode klass = klass.value if klass == nil then klass = context.current_class_node end when SpecialObjectNode if klass.kind == 3 then klass = context.current_class_node else raise "Unkown special object kind = #{klass.kind}" end else raise "Umkonwn node #{klass.class}" end klass end |
#get_vmnode_from_label(context, label) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 170 def get_vmnode_from_label(context, label) curnode = context.current_node nllab = context.local_label_tab[label] if nllab == nil then nllab = LocalLabel.new(curnode, label) nllab.value_node = PhiNode.new(nllab) nllab.debug_info = context.debug_info context.local_label_tab[label] = nllab end nllab end |
#newinst_to_sendnode(argnum, klass, code, ins, context) ⇒ Object
toregexp
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# File 'lib/ytljit/vm_trans.rb', line 514 def newinst_to_sendnode(argnum, klass, code, ins, context) arg = [] argnum.times { arg.push context.expstack.pop } curnode = context.current_node arg.push ConstantRefNode.new(curnode, nil, klass.name.to_sym) arg.reverse.each do |c| context.expstack.push c end visit_send(code, [:send, :new, argnum, nil, 0, nil], context) end |
#visit_block_end(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 262 def visit_block_end(code, ins, context) curnode = context.current_node top = context.top_nodes.last klassnode = context.current_class_node top.exception_table = context.exception_table if top.class == MethodTopNode then if context.macro_method then code = top.to_ruby(ToRubyContext.new).ret_code.last # print code proc = eval("lambda" + code) if SendNode.get_macro_tab[top.name] == nil then SendNode.get_macro_tab[top.name] = {} end SendNode.get_macro_tab[top.name][:last] = proc else if !SendNode.get_user_defined_method_tab[top.name] then SendNode.get_user_defined_method_tab[top.name] = [] end klassobj = klassnode.klass_object SendNode.get_user_defined_method_tab[top.name].push klassobj end end end |
#visit_block_start(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 216 def visit_block_start(code, ins, context) mtopnode = context.current_node if !mtopnode.is_a?(TopNode) then oldtop = context.the_top mtopnode = TopTopNode.new(nil, Object) mtopnode.debug_info = context.debug_info context.the_top = mtopnode oldtop.parent = mtopnode mtopnode.init_node = oldtop end context.macro_method = nil locals = code.header['locals'] arg_size = code.header['misc'][:arg_size] args = code.header['args'] (arg_size - locals.size).times do locals.push nil end cnode = mtopnode.construct_frame_info(locals, arg_size, args) exptab = code.header['exception_table'] context.exception_table = {} if exptab.size != 0 then exptab.each do |tag, body, st, ed, cont, sp| context.exception_table[tag] ||= [] nbody = nil if body then ncontext = YARVContext.new(context) nbody = ExceptionTopNode.new(mtopnode) nbody.debug_info = context.debug_info ncontext.current_node = nbody ncontext.top_nodes.push nbody ncontext.current_file_name = context.current_file_name ncontext.current_class_node = context.current_class_node ncontext.current_method_node = context.current_method_node tr = self.class.new([VMLib::InstSeqTree.new(code, body)]) tr.translate(ncontext) end context.exception_table[tag].push [st, ed, cont, nbody] end end context.not_reached_pos = false context.current_node = cnode end |
#visit_branchif(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 927 def visit_branchif(code, ins, context) curnode = context.current_node nllab = get_vmnode_from_label(context, ins[1]) cond = context.expstack.pop node = BranchIfNode.new(curnode, cond, nllab) node.debug_info = context.debug_info nllab.come_from[node] = nil curnode.body = node context.current_node = node end |
#visit_branchunless(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 941 def visit_branchunless(code, ins, context) curnode = context.current_node nllab = get_vmnode_from_label(context, ins[1]) cond = context.expstack.pop node = BranchUnlessNode.new(curnode, cond, nllab) node.debug_info = context.debug_info nllab.come_from[node] = nil curnode.body = node context.current_node = node end |
#visit_concatstrings(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 486 def visit_concatstrings(code, ins, context) curnode = context.current_node numarg = ins[1] nnode = context.expstack[-numarg] (numarg - 1).times do |i| func = FixArgCApiNode.new(curnode, "rb_str_append", [:VALUE, :VALUE]) args = [nnode, context.expstack[i - numarg + 1]] nnode = gen_arg_node(context, RetStringSendNode, func, args) end numarg.times do context.expstack.pop end context.expstack.push nnode end |
#visit_defineclass(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 656 def visit_defineclass(code, ins, context) name = ins[1] supklsnode = context.expstack.pop defat = context.expstack.pop clsobj = context.current_class_node.klass_object klassobj = nil begin klassobj = clsobj.const_get(name, true) rescue NameError end if klassobj == nil then klassnode = context.current_class_node.constant_tab[name] if klassnode then klassobj = klassnodne.klass_object else supklass = nil case supklsnode when LiteralNode supklass = supklsnode.value if supklass == nil then supklass = Object end when ConstantRefNode supnode = supklsnode.value_node if supnode.is_a?(ClassTopNode) then supklass = supnode.klass_object else raise "Not class #{supnode.class}" end else raise "Not support #{supklsnode.class}" end case ins[3] when 0 klassobj = Class.new(supklass) when 2 klassobj = Module.new end end clsobj.const_set(name, klassobj) end RubyType::define_wraped_class(klassobj, RubyType::RubyTypeBoxed) cnode = ClassTopNode.new(context.current_class_node, klassobj, name) cnode.debug_info = context.debug_info context.current_class_node.constant_tab[name] = cnode body = VMLib::InstSeqTree.new(code, ins[2]) ncontext = YARVContext.new(context) ncontext.current_file_name = context.current_file_name ncontext.current_node = cnode ncontext.current_class_node = cnode ncontext.top_nodes.push cnode tr = self.class.new([body]) tr.translate(ncontext) curnode = context.current_node cvnode = ClassValueNode.new(curnode, cnode) cvnode.debug_info = context.debug_info context.expstack.push cvnode context end |
#visit_dup(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 603 def visit_dup(code, ins, context) orgnode = context.expstack.pop nnode = MultiplexNode.new(orgnode) context.expstack.push nnode context.expstack.push nnode end |
#visit_duparray(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 546 def visit_duparray(code, ins, context) nnode = LiteralNode.new(nil, ins[1]) nnode.debug_info = context.debug_info context.expstack.push nnode end |
#visit_dupn(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 610 def visit_dupn(code, ins, context) res = [] n = ins[1] n.times do orgnode = context.expstack.pop nnode = MultiplexNode.new(orgnode) res.push nnode end res = res.reverse res.each do |ele| context.expstack.push ele end res.each do |ele| context.expstack.push ele end end |
#visit_getconstant(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 389 def visit_getconstant(code, ins, context) klass = get_self_object(context) name = ins[1] curnode = context.current_node node = ConstantRefNode.new(curnode, klass, name) node.debug_info = context.debug_info context.expstack.push node end |
#visit_getdynamic(code, ins, context) ⇒ Object
getspecial setspecial
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# File 'lib/ytljit/vm_trans.rb', line 313 def visit_getdynamic(code, ins, context) # + 3 mean prtv_env/pointer to block function/self dep = ins[2] curcode = code dep.times do curcode = curcode.parent end offset = curcode.header['misc'][:local_size] + 3 - ins[1] node = nil if curcode.header['type'] == :ensure and offset == 3 then node = LiteralNode.new(context.current_node, nil) node.debug_info = context.debug_info else node = LocalVarRefNode.new(context.current_node, offset, dep) node.debug_info = context.debug_info end context.expstack.push node end |
#visit_getglobal(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 409 def visit_getglobal(code, ins, context) name = ins[1] curnode = context.current_node node = GlobalVarRefNode.new(curnode, name) curnode.body = node context.expstack.push node end |
#visit_getlocal(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 300 def visit_getlocal(code, ins, context) dep = depth_of_block(code) visit_getdynamic(code, [:getlocal, ins[1], dep], context) end |
#visit_invokeblock(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 812 def visit_invokeblock(code, ins, context) curnode = context.current_node func = YieldNode.new(curnode) func.debug_info = context.debug_info numarg = ins[1] op_flag = ins[2] seqno = ins[3] # regular arguments args = [] numarg.times do |i| argele = context.expstack.pop args.push argele end frameinfo = func.frame_info roff = frameinfo.real_offset(0) # offset of prevenv framelayout = frameinfo.frame_layout # self argnode = LiteralNode.new(curnode, nil) argnode.debug_info = context.debug_info args.push argnode # block argnode = LiteralNode.new(curnode, nil) argnode.debug_info = context.debug_info args.push argnode # perv env argnode = LiteralNode.new(curnode, nil) argnode.debug_info = context.debug_info args.push argnode args = args.reverse nnode = SendNode.new(curnode, func, args, op_flag, seqno) nnode.current_exception_table = context.current_exception_table nnode.debug_info = context.debug_info func.parent = nnode context.expstack.push nnode context end |
#visit_invokesuper(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 809 def visit_invokesuper(code, ins, context) end |
#visit_jump(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 911 def visit_jump(code, ins, context) curnode = context.current_node nllab = get_vmnode_from_label(context, ins[1]) jpnode = JumpNode.new(curnode, nllab) jpnode.debug_info = context.debug_info jpnode.body = nllab val = context.expstack.pop nllab.come_from[jpnode] = val curnode.body = jpnode context.current_node = jpnode context.not_reached_pos = true end |
#visit_leave(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 857 def visit_leave(code, ins, context) curnode = nil vnode = nil if context.top_nodes.last.name == :initialize then # This is necessary. So it decides type of new method visit_pop(code, ins, context) curnode = context.current_node vnode = SelfRefNode.new(curnode) else curnode = context.current_node vnode = context.expstack.pop end if vnode then vnode.debug_info = context.debug_info else vnode = LiteralNode.new(curnode, nil) end srnode = SetResultNode.new(curnode, vnode) srnode.debug_info = context.debug_info curnode.body = srnode context.current_node = srnode case code.header['type'] when :method nnode = MethodEndNode.new(srnode) when :block nnode = BlockEndNode.new(srnode) when :class nnode = ClassEndNode.new(srnode) when :top nnode = ClassEndNode.new(srnode) else raise "unkown type #{code.header['type']}" end nnode.debug_info = context.debug_info context.top_nodes.last.end_nodes.push nnode srnode.body = nnode context.current_node = nnode context.not_reached_pos = true end |
#visit_newarray(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 529 def visit_newarray(code, ins, context) curnode = context.current_node func = FixArgCApiNode.new(curnode, "rb_ary_new3", [:int, :VALUE, :"..."]) argnum = ins[1] argnumnode = LiteralNode.new(nil, argnum) args = [] argnum.times do argele = context.expstack.pop args.push argele end args.push argnumnode args = args.reverse nnode = gen_arg_node(context, RetArraySendNode, func, args) context.expstack.push nnode end |
#visit_newhash(code, ins, context) ⇒ Object
expandarray concatarray splatarray checkincludearray
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# File 'lib/ytljit/vm_trans.rb', line 557 def visit_newhash(code, ins, context) curnode= context.current_node argnum = ins[1] args = [] while argnum > 0 argnum = argnum - 2 args.push context.expstack.pop args.push context.expstack.pop end topnode = ClassTopNode.get_class_top_node(Object) hcnode = ConstantRefNode.new(curnode, topnode, :Hash) context.expstack.push hcnode visit_send(code, [:send, :new, 0, nil, 0, nil], context) args.reverse.each_slice(2) do |key, value| visit_dup(code, [:dup] , context) context.expstack.push key context.expstack.push value visit_send(code, [:send, :[]=, 2, nil, 0, nil], context) visit_pop(code, [:pop] , context) end end |
#visit_newrange(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 580 def visit_newrange(code, ins, context) exclflag = LiteralNode.new(nil, ins[1] != 0) context.expstack.push exclflag newinst_to_sendnode(3, Range, code, ins, context) end |
#visit_nop(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 297 def visit_nop(code, ins, context) end |
#visit_pop(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 586 def visit_pop(code, ins, context) node = context.expstack.pop if node == nil then # Maybe push instruction deleted by optimize node = LiteralNode.new(nil, nil) end curnode = context.current_node node.parent = curnode curnode.body = node if node.is_a?(HaveChildlenMixin) then context.current_node = node end context end |
#visit_putiseq(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 450 def visit_putiseq(code, ins, context) body = VMLib::InstSeqTree.new(code, ins[1]) curnode = context.current_node ncontext = YARVContext.new(context) case body.header['type'] when :block mtopnode = BlockTopNode.new(curnode) when :method mtopnode = MethodTopNode.new(curnode, body.header['name'].to_sym) when :class mtopnode = ClassTopNode.new(curnode, Object, body.header['name'].to_sym) when :top raise "Maybe bug not appear top block." end mtopnode.debug_info = context.debug_info ncontext.current_node = mtopnode ncontext.top_nodes.push mtopnode ncontext.current_file_name = context.current_file_name ncontext.current_class_node = context.current_class_node mname = context.expstack.last ncontext.current_method_node = mname tr = self.class.new([body]) tr.translate(ncontext) context.macro_method = ncontext.macro_method context.expstack.push mtopnode end |
#visit_putnil(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 427 def visit_putnil(code, ins, context) nnode = LiteralNode.new(nil, nil) nnode.debug_info = context.debug_info context.expstack.push nnode end |
#visit_putobject(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 440 def visit_putobject(code, ins, context) nnode = LiteralNode.new(nil, ins[1]) nnode.debug_info = context.debug_info context.expstack.push nnode end |
#visit_putself(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 433 def visit_putself(code, ins, context) curnode = context.current_node nnode = SelfRefNode.new(curnode) nnode.debug_info = context.debug_info context.expstack.push nnode end |
#visit_putspecialobject(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 446 def visit_putspecialobject(code, ins, context) context.expstack.push SpecialObjectNode.new(nil, ins[1]) end |
#visit_putstring(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 480 def visit_putstring(code, ins, context) nnode = LiteralNode.new(nil, ins[1]) nnode.debug_info = context.debug_info context.expstack.push nnode end |
#visit_send(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 726 def visit_send(code, ins, context) curnode = context.current_node numarg = ins[2] blk_iseq = ins[3] op_flag = ins[4] seqno = ins[5] # regular arguments arg = [] numarg.times do |i| argele = context.expstack.pop arg.push argele end # self slf = context.expstack.pop if (op_flag & (0b11 << 3)) != 0 and # fcall, vcall slf.is_a?(LiteralNode) and slf.value == nil and context.current_class_node.name != :top then slf = SelfRefNode.new(curnode) end arg.push slf # block if blk_iseq then body = VMLib::InstSeqTree.new(code, blk_iseq) ncontext = YARVContext.new(context) ncontext.current_file_name = context.current_file_name ncontext.current_class_node = context.current_class_node ncontext.current_method_node = context.current_method_node btn = ncontext.current_node = BlockTopNode.new(curnode) ncontext.top_nodes.push btn tr = self.class.new([body]) tr.translate(ncontext) btn.debug_info = context.debug_info context.macro_method = ncontext.macro_method arg.push btn # block else argnode = LiteralNode.new(curnode, nil) argnode.debug_info = context.debug_info arg.push argnode # block(dymmy) end # perv env argnode = LiteralNode.new(curnode, nil) argnode.debug_info = context.debug_info arg.push argnode arg = arg.reverse func = MethodSelectNode.new(curnode, ins[1]) sn = SendNode.(context, func, arg, op_flag, seqno) if sn == nil then sn = SendNode.make_send_node(curnode, func, arg, op_flag, seqno) sn.current_exception_table = context.current_exception_table if sn.is_a?(SendEvalNode) then if context.macro_method == nil then context.macro_method = true end end sn.debug_info = context.debug_info func.set_reciever(sn) context.expstack.push sn else # macro(including eval method). execute in compile time and # compile eval strings. val, evalstr = sn evalstr = evalstr.join("\n") is = RubyVM::InstructionSequence.compile( evalstr, "macro #{ins[1]}", "", 0, YTL::ISEQ_OPTS).to_a ncode = VMLib::InstSeqTree.new(code, is) ncode.body.pop # Chop leave instruction translate_main(ncode, context) # context.expstack.push val end context end |
#visit_setconstant(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 398 def visit_setconstant(code, ins, context) klass = get_self_object(context) value = context.expstack.pop name = ins[1] curnode = context.current_node node = ConstantAssignNode.new(curnode, klass, name, value) node.debug_info = context.debug_info curnode.body = node context.current_node = node end |
#visit_setdynamic(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 332 def visit_setdynamic(code, ins, context) dep = ins[2] curcode = code dep.times do curcode = curcode.parent end val = context.expstack.pop curnode = context.current_node offset = curcode.header['misc'][:local_size] + 3 - ins[1] node = LocalAssignNode.new(curnode, offset, dep, val) node.debug_info = context.debug_info if context.expstack[-1] == val then varref = LocalVarRefNode.new(context.current_node, offset, dep) varref.debug_info = context.debug_info context.expstack[-1] = varref end curnode.body = node context.current_node = node end |
#visit_setglobal(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 417 def visit_setglobal(code, ins, context) value = context.expstack.pop name = ins[1] curnode = context.current_node node = GlobalVarAssignNode.new(curnode, name, value) node.debug_info = context.debug_info curnode.body = node context.current_node = node end |
#visit_setlocal(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 305 def visit_setlocal(code, ins, context) dep = depth_of_block(code) visit_setdynamic(code, [:setlocal, ins[1], dep], context) end |
#visit_setn(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 642 def visit_setn(code, ins, context) n = ins[1] + 1 orgnode = context.expstack.last nnode = MultiplexNode.new(orgnode) context.expstack[-n] = nnode context.expstack[-1] = nnode end |
#visit_swap(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 627 def visit_swap(code, ins, context) val0 = context.expstack.pop val1 = context.expstack.pop context.expstack.push val0 context.expstack.push val1 end |
#visit_symbol(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 191 def visit_symbol(code, ins, context) context.current_local_label = ins context.local_label_list.push ins curnode = context.current_node nllab = get_vmnode_from_label(context, ins) if !(curnode.is_a?(JumpNode) or curnode.is_a?(MethodEndNode) or curnode.is_a?(ThrowNode)) then jmpnode = JumpNode.new(curnode, nllab) jmpnode.debug_info = context.debug_info nllab.parent = jmpnode val = context.expstack.pop nllab.come_from[jmpnode] = val curnode.body = jmpnode jmpnode.body = nllab context.expstack.push nllab.value_node end context.current_node = nllab end |
#visit_throw(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 902 def visit_throw(code, ins, context) curnode = context.current_node exceptobj = context.expstack.pop thnode = ThrowNode.new(curnode, ins[1], exceptobj) curnode.body = thnode context.current_node = thnode end |
#visit_topn(code, ins, context) ⇒ Object
reput
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# File 'lib/ytljit/vm_trans.rb', line 636 def visit_topn(code, ins, context) raise n = ins[1] + 1 context.expstack.push context.expstack[-n] end |
#visit_tostring(code, ins, context) ⇒ Object
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# File 'lib/ytljit/vm_trans.rb', line 502 def visit_tostring(code, ins, context) curnode = context.current_node func = FixArgCApiNode.new(curnode, "rb_obj_as_string", [:VALUE]) args = [] argele = context.expstack.pop args.push argele nnode = gen_arg_node(context, RetStringSendNode, func, args) context.expstack.push nnode end |
#visit_trace(code, ins, context) ⇒ Object
adjuststack defined
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# File 'lib/ytljit/vm_trans.rb', line 653 def visit_trace(code, ins, context) end |