31 lines
		
	
	
		
			743 B
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			743 B
		
	
	
	
		
			C++
		
	
	
| namespace factor {
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| 
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| inline cell array_nth(array* array, cell slot) {
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|   FACTOR_ASSERT(slot < array_capacity(array));
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|   FACTOR_ASSERT(array->type() == ARRAY_TYPE);
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|   return array->data()[slot];
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| }
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| 
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| inline void factor_vm::set_array_nth(array* array, cell slot, cell value) {
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|   FACTOR_ASSERT(slot < array_capacity(array));
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|   FACTOR_ASSERT(array->type() == ARRAY_TYPE);
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|   cell* slot_ptr = &array->data()[slot];
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|   *slot_ptr = value;
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|   write_barrier(slot_ptr);
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| }
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| 
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| struct growable_array {
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|   cell count;
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|   data_root<array> elements;
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| 
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|   growable_array(factor_vm* parent, cell capacity = 10)
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|       : count(0),
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|         elements(parent->allot_array(capacity, false_object), parent) {}
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| 
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|   void add(cell elt);
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|   void append(array* elts);
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|   void trim();
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| };
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| 
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| }
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