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[/] [igor/] [trunk/] [simulator/] [object.h] - Blame information for rev 4
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#ifndef _OBJECT_H_
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#define _OBJECT_H_
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#include "types.h"
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#define TYPE_NONE 0x0
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#define TYPE_INT 0x1
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#define TYPE_FLOAT 0x3
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#define TYPE_CONS 0x4
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#define TYPE_SNOC 0x5
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#define TYPE_PTR 0x6
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#define TYPE_ARRAY 0x7
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#define TYPE_NIL 0x8
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#define TYPE_T 0x9
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#define TYPE_CHAR 0xA
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#define TYPE_SYMBOL 0xB
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#define TYPE_FUNCTION 0xC
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#define TYPE_BUILTIN 0xD
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// size and position of the parts of an object
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#define OBJECT_DATUM_OFFSET 0
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#define OBJECT_DATUM_MASK 0x3FFFFFF
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#define OBJECT_TYPE_OFFSET 27
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#define OBJECT_TYPE_MASK 0x1F
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#define OBJECT_GC_OFFSET 26
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#define OBJECT_GC_MASK 0x1
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#define OBJECT_NEW(type, datum) \
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((((type)&OBJECT_TYPE_MASK) << OBJECT_TYPE_OFFSET) | ((datum)&OBJECT_DATUM_MASK))
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#define OBJECT_DATUM(obj) ((obj) & OBJECT_DATUM_MASK)
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#define OBJECT_TYPE(obj) (((obj)>>OBJECT_TYPE_OFFSET) & OBJECT_TYPE_MASK)
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#define OBJECT_GC(obj) (((obj)>>OBJECT_GC_OFFSET)&OBJECT_GC_MASK)
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void object_dump(reg_t object);
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reg_t object_get_type(reg_t object);
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reg_t object_set_type(reg_t object, uint8_t type);
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reg_t object_get_datum(reg_t object);
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reg_t object_get_datum_signed(reg_t object);
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reg_t object_set_datum(reg_t object, uint32_t datum);
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reg_t object_get_gc(reg_t object);
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reg_t object_set_gc(reg_t object, uint32_t gc);
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reg_t object_make(uint8_t type, uint32_t datum);
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int object_read(reg_t *objects, int length, FILE *f);
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int object_write(reg_t *objects, int length, FILE *f);
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#endif /* _OBJECT_H_ */
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