factor/vm/words.c

83 lines
1.8 KiB
C

#include "master.h"
F_WORD *allot_word(CELL vocab, CELL name)
{
REGISTER_ROOT(vocab);
REGISTER_ROOT(name);
F_WORD *word = allot_object(WORD_TYPE,sizeof(F_WORD));
UNREGISTER_ROOT(name);
UNREGISTER_ROOT(vocab);
word->hashcode = tag_fixnum((rand() << 16) ^ rand());
word->vocabulary = vocab;
word->name = name;
word->def = userenv[UNDEFINED_ENV];
word->props = F;
word->counter = tag_fixnum(0);
word->direct_entry_def = F;
word->subprimitive = F;
word->profiling = NULL;
word->code = NULL;
REGISTER_UNTAGGED(word);
jit_compile_word(word,word->def,true);
UNREGISTER_UNTAGGED(word);
REGISTER_UNTAGGED(word);
update_word_xt(word);
UNREGISTER_UNTAGGED(word);
if(profiling_p)
relocate_code_block(word->profiling);
return word;
}
/* <word> ( name vocabulary -- word ) */
void primitive_word(void)
{
CELL vocab = dpop();
CELL name = dpop();
dpush(tag_object(allot_word(vocab,name)));
}
/* word-xt ( word -- start end ) */
void primitive_word_xt(void)
{
F_WORD *word = untag_word(dpop());
F_CODE_BLOCK *code = (profiling_p ? word->profiling : word->code);
dpush(allot_cell((CELL)code + sizeof(F_CODE_BLOCK)));
dpush(allot_cell((CELL)code + code->block.size));
}
/* Allocates memory */
void update_word_xt(F_WORD *word)
{
if(profiling_p)
{
if(!word->profiling)
{
REGISTER_UNTAGGED(word);
F_CODE_BLOCK *profiling = compile_profiling_stub(tag_object(word));
UNREGISTER_UNTAGGED(word);
word->profiling = profiling;
}
word->xt = (XT)(word->profiling + 1);
}
else
word->xt = (XT)(word->code + 1);
}
void primitive_optimized_p(void)
{
drepl(tag_boolean(word_optimized_p(untag_word(dpeek()))));
}
void primitive_wrapper(void)
{
F_WRAPPER *wrapper = allot_object(WRAPPER_TYPE,sizeof(F_WRAPPER));
wrapper->object = dpeek();
drepl(tag_object(wrapper));
}