vm/words.cpp

   1 #include "master.hpp"
   2
   3 namespace factor
   4 {
   5
   6 word *factorvm::allot_word(cell vocab_, cell name_)
   7 {
   8         gc_root<object> vocab(vocab_);
   9         gc_root<object> name(name_);
  10
  11         gc_root<word> new_word(allot<word>(sizeof(word)));
  12
  13         new_word->hashcode = tag_fixnum((rand() << 16) ^ rand());
  14         new_word->vocabulary = vocab.value();
  15         new_word->name = name.value();
  16         new_word->def = userenv[UNDEFINED_ENV];
  17         new_word->props = F;
  18         new_word->counter = tag_fixnum(0);
  19         new_word->pic_def = F;
  20         new_word->pic_tail_def = F;
  21         new_word->subprimitive = F;
  22         new_word->profiling = NULL;
  23         new_word->code = NULL;
  24
  25         jit_compile_word(new_word.value(),new_word->def,true);
  26         update_word_xt(new_word.value());
  27
  28         if(profiling_p)
  29                 relocate_code_block(new_word->profiling);
  30
  31         return new_word.untagged();
  32 }
  33
  34 word *allot_word(cell vocab_, cell name_)
  35 {
  36         return vm->allot_word(vocab_,name_);
  37 }
  38
  39 /* <word> ( name vocabulary -- word ) */
  40 inline void factorvm::vmprim_word()
  41 {
  42         cell vocab = dpop();
  43         cell name = dpop();
  44         dpush(tag<word>(allot_word(vocab,name)));
  45 }
  46
  47 PRIMITIVE(word)
  48 {
  49         PRIMITIVE_GETVM()->vmprim_word();
  50 }
  51
  52 /* word-xt ( word -- start end ) */
  53 inline void factorvm::vmprim_word_xt()
  54 {
  55         word *w = untag_check<word>(dpop());
  56         code_block *code = (profiling_p ? w->profiling : w->code);
  57         dpush(allot_cell((cell)code->xt()));
  58         dpush(allot_cell((cell)code + code->size));
  59 }
  60
  61 PRIMITIVE(word_xt)
  62 {
  63         PRIMITIVE_GETVM()->vmprim_word_xt();
  64 }
  65
  66 /* Allocates memory */
  67 void factorvm::update_word_xt(cell w_)
  68 {
  69         gc_root<word> w(w_);
  70
  71         if(profiling_p)
  72         {
  73                 if(!w->profiling)
  74                         w->profiling = compile_profiling_stub(w.value());
  75
  76                 w->xt = w->profiling->xt();
  77         }
  78         else
  79                 w->xt = w->code->xt();
  80 }
  81
  82 void update_word_xt(cell w_)
  83 {
  84         return vm->update_word_xt(w_);
  85 }
  86
  87 inline void factorvm::vmprim_optimized_p()
  88 {
  89         drepl(tag_boolean(word_optimized_p(untag_check<word>(dpeek()))));
  90 }
  91
  92 PRIMITIVE(optimized_p)
  93 {
  94         PRIMITIVE_GETVM()->vmprim_optimized_p();
  95 }
  96
  97 inline void factorvm::vmprim_wrapper()
  98 {
  99         wrapper *new_wrapper = allot<wrapper>(sizeof(wrapper));
 100         new_wrapper->object = dpeek();
 101         drepl(tag<wrapper>(new_wrapper));
 102 }
 103
 104 PRIMITIVE(wrapper)
 105 {
 106         PRIMITIVE_GETVM()->vmprim_wrapper();
 107 }
 108
 109 }