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