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#include "master.hpp"
namespace factor
{
/* Compile a word definition with the non-optimizing compiler. Allocates memory */
void factor_vm::jit_compile_word(cell word_, cell def_, bool relocating)
{
data_root<word> word(word_,this);
data_root<quotation> def(def_,this);
/* Refuse to compile this word more than once, because quot_compiled_p()
depends on the identity of its code block */
if(word->code && word.value() == special_objects[LAZY_JIT_COMPILE_WORD])
return;
code_block *compiled = jit_compile_quot(word.value(),def.value(),relocating);
word->code = compiled;
if(to_boolean(word->pic_def)) jit_compile_quot(word->pic_def,relocating);
if(to_boolean(word->pic_tail_def)) jit_compile_quot(word->pic_tail_def,relocating);
}
cell factor_vm::find_all_words()
{
return instances(WORD_TYPE);
}
void factor_vm::compile_all_words()
{
data_root<array> words(find_all_words(),this);
cell length = array_capacity(words.untagged());
for(cell i = 0; i < length; i++)
{
data_root<word> word(array_nth(words.untagged(),i),this);
if(!word->code || !word->code->optimized_p())
jit_compile_word(word.value(),word->def,false);
update_word_entry_point(word.untagged());
}
}
word *factor_vm::allot_word(cell name_, cell vocab_, cell hashcode_)
{
data_root<object> vocab(vocab_,this);
data_root<object> name(name_,this);
data_root<word> new_word(allot<word>(sizeof(word)),this);
new_word->hashcode = hashcode_;
new_word->vocabulary = vocab.value();
new_word->name = name.value();
new_word->def = special_objects[OBJ_UNDEFINED];
new_word->props = false_object;
new_word->counter = tag_fixnum(0);
new_word->pic_def = false_object;
new_word->pic_tail_def = false_object;
new_word->subprimitive = false_object;
new_word->profiling = NULL;
new_word->code = NULL;
jit_compile_word(new_word.value(),new_word->def,true);
if(profiling_p)
{
code_block *profiling_block = compile_profiling_stub(new_word.value());
new_word->profiling = profiling_block;
initialize_code_block(new_word->profiling);
}
update_word_entry_point(new_word.untagged());
return new_word.untagged();
}
/* (word) ( name vocabulary hashcode -- word ) */
void factor_vm::primitive_word()
{
cell hashcode = ctx->pop();
cell vocab = ctx->pop();
cell name = ctx->pop();
ctx->push(tag<word>(allot_word(name,vocab,hashcode)));
}
/* word-code ( word -- start end ) */
void factor_vm::primitive_word_code()
{
data_root<word> w(ctx->pop(),this);
w.untag_check(this);
if(profiling_p)
{
ctx->push(from_unsigned_cell((cell)w->profiling->entry_point()));
ctx->push(from_unsigned_cell((cell)w->profiling + w->profiling->size()));
}
else
{
ctx->push(from_unsigned_cell((cell)w->code->entry_point()));
ctx->push(from_unsigned_cell((cell)w->code + w->code->size()));
}
}
void factor_vm::update_word_entry_point(word *w)
{
if(profiling_p && w->profiling)
w->entry_point = w->profiling->entry_point();
else
w->entry_point = w->code->entry_point();
}
void factor_vm::primitive_optimized_p()
{
word *w = untag_check<word>(ctx->peek());
ctx->replace(tag_boolean(w->code->optimized_p()));
}
void factor_vm::primitive_wrapper()
{
wrapper *new_wrapper = allot<wrapper>(sizeof(wrapper));
new_wrapper->object = ctx->peek();
ctx->replace(tag<wrapper>(new_wrapper));
}
}
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