104 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
#include "master.hpp"
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namespace factor
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{
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word *factor_vm::allot_word(cell name_, cell vocab_, cell hashcode_)
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{
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	gc_root<object> vocab(vocab_,this);
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	gc_root<object> name(name_,this);
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	gc_root<word> new_word(allot<word>(sizeof(word)),this);
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	new_word->hashcode = hashcode_;
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	new_word->vocabulary = vocab.value();
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	new_word->name = name.value();
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	new_word->def = userenv[UNDEFINED_ENV];
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	new_word->props = F;
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	new_word->counter = tag_fixnum(0);
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	new_word->pic_def = F;
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	new_word->pic_tail_def = F;
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	new_word->subprimitive = F;
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	new_word->profiling = NULL;
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	new_word->code = NULL;
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	jit_compile_word(new_word.value(),new_word->def,true);
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	update_word_xt(new_word.value());
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	if(profiling_p)
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		relocate_code_block(new_word->profiling);
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	return new_word.untagged();
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}
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/* (word) ( name vocabulary hashcode -- word ) */
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inline void factor_vm::primitive_word()
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{
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	cell hashcode = dpop();
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	cell vocab = dpop();
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	cell name = dpop();
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	dpush(tag<word>(allot_word(name,vocab,hashcode)));
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}
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PRIMITIVE_FORWARD(word)
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/* word-xt ( word -- start end ) */
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inline void factor_vm::primitive_word_xt()
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{
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	gc_root<word> w(dpop(),this);
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	w.untag_check(this);
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	if(profiling_p)
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	{
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		dpush(allot_cell((cell)w->profiling->xt()));
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		dpush(allot_cell((cell)w->profiling + w->profiling->size));
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	}
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	else
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	{
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		dpush(allot_cell((cell)w->code->xt()));
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		dpush(allot_cell((cell)w->code + w->code->size));
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	}
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}
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PRIMITIVE_FORWARD(word_xt)
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/* Allocates memory */
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void factor_vm::update_word_xt(cell w_)
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{
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	gc_root<word> w(w_,this);
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	if(profiling_p)
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	{
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		if(!w->profiling)
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		{
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			/* Note: can't do w->profiling = ... since if LHS
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			evaluates before RHS, since in that case if RHS does a
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			GC, we will have an invalid pointer on the LHS */
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			code_block *profiling = compile_profiling_stub(w.value());
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			w->profiling = profiling;
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		}
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		w->xt = w->profiling->xt();
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	}
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	else
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		w->xt = w->code->xt();
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}
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inline void factor_vm::primitive_optimized_p()
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{
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	drepl(tag_boolean(word_optimized_p(untag_check<word>(dpeek()))));
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}
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PRIMITIVE_FORWARD(optimized_p)
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inline void factor_vm::primitive_wrapper()
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{
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	wrapper *new_wrapper = allot<wrapper>(sizeof(wrapper));
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	new_wrapper->object = dpeek();
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	drepl(tag<wrapper>(new_wrapper));
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}
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PRIMITIVE_FORWARD(wrapper)
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}
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