vm/words.cpp

   1 #include "master.hpp"
   2
   3 namespace factor
   4 {
   5
   6 word *factor_vm::allot_word(cell name_, cell vocab_, cell hashcode_)
   7 {
   8         data_root<object> vocab(vocab_,this);
   9         data_root<object> name(name_,this);
  10
  11         data_root<word> new_word(allot<word>(sizeof(word)),this);
  12
  13         new_word->hashcode = hashcode_;
  14         new_word->vocabulary = vocab.value();
  15         new_word->name = name.value();
  16         new_word->def = special_objects[OBJ_UNDEFINED];
  17         new_word->props = false_object;
  18         new_word->counter = tag_fixnum(0);
  19         new_word->pic_def = false_object;
  20         new_word->pic_tail_def = false_object;
  21         new_word->subprimitive = false_object;
  22         new_word->profiling = NULL;
  23         new_word->code = NULL;
  24
  25         jit_compile_word(new_word.value(),new_word->def,true);
  26         if(profiling_p)
  27         {
  28                 code_block *profiling_block = compile_profiling_stub(new_word.value());
  29                 new_word->profiling = profiling_block;
  30                 initialize_code_block(new_word->profiling);
  31         }
  32
  33         update_word_xt(new_word.untagged());
  34
  35         return new_word.untagged();
  36 }
  37
  38 /* (word) ( name vocabulary hashcode -- word ) */
  39 void factor_vm::primitive_word()
  40 {
  41         cell hashcode = dpop();
  42         cell vocab = dpop();
  43         cell name = dpop();
  44         dpush(tag<word>(allot_word(name,vocab,hashcode)));
  45 }
  46
  47 /* word-xt ( word -- start end ) */
  48 void factor_vm::primitive_word_xt()
  49 {
  50         data_root<word> w(dpop(),this);
  51         w.untag_check(this);
  52
  53         if(profiling_p)
  54         {
  55                 dpush(allot_cell((cell)w->profiling->xt()));
  56                 dpush(allot_cell((cell)w->profiling + w->profiling->size()));
  57         }
  58         else
  59         {
  60                 dpush(allot_cell((cell)w->code->xt()));
  61                 dpush(allot_cell((cell)w->code + w->code->size()));
  62         }
  63 }
  64
  65 void factor_vm::update_word_xt(word *w)
  66 {
  67         if(profiling_p && w->profiling)
  68                 w->xt = w->profiling->xt();
  69         else
  70                 w->xt = w->code->xt();
  71 }
  72
  73 void factor_vm::primitive_optimized_p()
  74 {
  75         word *w = untag_check<word>(dpeek());
  76         drepl(tag_boolean(w->code->optimized_p()));
  77 }
  78
  79 void factor_vm::primitive_wrapper()
  80 {
  81         wrapper *new_wrapper = allot<wrapper>(sizeof(wrapper));
  82         new_wrapper->object = dpeek();
  83         drepl(tag<wrapper>(new_wrapper));
  84 }
  85
  86 }