Class: Proc

Inherits:
Object show all
Defined in:
lib/ytljit/marshal.rb

Constant Summary collapse

@@iseq_cache = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

._alloc ⇒ Object 



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# File 'lib/ytljit/marshal.rb', line 4

def self._alloc
  Proc.new {}
end

Instance Method Details

#_dump_data ⇒ Object 



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# File 'lib/ytljit/marshal.rb', line 8

def _dump_data
  orgiseq = self.to_iseq
  piseq = @@iseq_cache[orgiseq]
  if !piseq then
    piseq = @@iseq_cache[orgiseq] = patch_iseq(orgiseq.to_a)
  end
    
  [piseq, self.binding.to_a]
end

#_load_data(obj) ⇒ Object 



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# File 'lib/ytljit/marshal.rb', line 18

def _load_data(obj)
  iseq, env = obj
  slf = env[0][0]
  $_proc_para = [env, slf]
  prc = lambda {
    $_proc_para[1].instance_eval {
      lambda {|env|
        _lambda_replace
      }
    }.call($_proc_para[0].map {|ele| ele.reverse})
  }
  
  prc2 =  VMLib::InstSeqTree.new(nil, prc.to_iseq.to_a)
  iv = VMLib::InstSeqTree.new(nil, prc2.body[7][3])
  lam = VMLib::InstSeqTree.new(nil, iv.body[5][3])
  lam.body[4][1] = :lambda
  lam.body[4][3] = iseq
  
  prc2.header['type'] = :top
    
  self.copy(ISeq.load(prc2.to_a).eval)
end

#copy(procval) ⇒ Object 



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# File 'ext/ytljit.c', line 196

VALUE
ytl_proc_copy(VALUE self, VALUE procval)
{
    rb_proc_t *src, *dst;
    GetProcPtr(procval, src);
    GetProcPtr(self, dst);

    dst->block = src->block;
    dst->block.proc = procval;
    dst->blockprocval = src->blockprocval;
    dst->envval = src->envval;
    dst->safe_level = src->safe_level;
    dst->is_lambda = src->is_lambda;

    return self;
}

#patch_iseq(iseq, dbase = 0) ⇒ Object 



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# File 'lib/ytljit/marshal.rb', line 41

def patch_iseq(iseq, dbase = 0)
  rbody = []
  iseq2 = VMLib::InstSeqTree.new(nil, iseq)
  
  iseq2.body.each do |ele|
    rbody.push ele
    if ele.is_a?(Array) then
      case ele[0]
      when :send
        if ele[3] then
          ele[3] = patch_iseq(VMLib::InstSeqTree.new(iseq, ele[3]), dbase + 1)
        end
                     
      when :getdynamic
        off = ele[1]
        dep = ele[2]
        if dep > dbase then
          rbody.pop
          rbody.push [:getdynamic, 3, 1 + dbase]
          rbody.push [:putobject, dep - 1 - dbase]
          rbody.push [:opt_aref, 0]
          rbody.push [:putobject, off]
          rbody.push [:opt_aref, 0]
        end
        
      when :setdynamic
        off = ele[1]
        dep = ele[2]
        if dep > dbase then
          rbody.pop
          rbody.push [:getdynamic, 3, 1 + dbase]
          rbody.push [:putobject, dep - 1 - dbase]
          rbody.push [:opt_aref, 0]
          rbody.push [:putobject, off]
          rbody.push [:topn, 2]
          rbody.push [:send, :[]=, 2, nil, 0, 0]
          rbody.push [:swap]
          rbody.push [:pop]
        end
        
      when :getlocal
        off = ele[1]
        rbody.pop 
        rbody.push [:getdynamic, 2, 1 + dbase]
        rbody.push [:dup]
        rbody.push [:opt_length]
        rbody.push [:putobject, 1]
        rbody.push [:opt_sub]
        rbody.push [:putobject, dbase]
        rbody.push [:opt_add]
        rbody.push [:opt_aref, 0]
        rbody.push [:putobject, off]
        rbody.push [:opt_aref, 0]
        
      when :setlocal
        off = ele[1]
        rbody.pop 
        rbody.push [:getdynamic, 2, 1 + dbase]
        rbody.push [:dup]
        rbody.push [:opt_length]
        rbody.push [:putobject, 1]
        rbody.push [:opt_sub]
        rbody.push [:putobject, dbase]
        rbody.push [:opt_add]
        rbody.push [:opt_aref, 0]
        rbody.push [:putobject, off]
        rbody.push [:topn, 2]
        rbody.push [:send, :[]=, 2, nil, 0, 0]
        rbody.push [:swap]
        rbody.push [:pop]
      end
    end
  end
  
  iseq2.body = rbody
  iseq2.to_a
end

#to_iseq ⇒ Object 



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# File 'ext/ytljit.c', line 175

VALUE
ytl_proc_to_iseq(VALUE self)
{
  rb_proc_t *proc;
  rb_iseq_t *iseq;

  GetProcPtr(self, proc);
  iseq = proc->block.iseq;
  if (proc->is_from_method) {
    NODE *node = (NODE *)iseq;
    /* method(:foo).to_proc */
    iseq = rb_method_get_iseq(node->u2.value);
  }
  if (iseq) {
    return iseq->self;
  }
  else {
    return Qnil;
  }
}