96 lines
2.0 KiB
C++
96 lines
2.0 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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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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/* word-xt ( word -- start end ) */
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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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/* 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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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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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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}
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