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26 lines
1 KiB
C
26 lines
1 KiB
C
/* List object interface */
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/*
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123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
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Another generally useful object type is an list of object pointers.
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This is a mutable type: the list items can be changed, and items can be
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added or removed. Out-of-range indices or non-list objects are ignored.
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*** WARNING *** setlistitem does not increment the new item's reference
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count, but does decrement the reference count of the item it replaces,
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if not nil. It does *decrement* the reference count if it is *not*
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inserted in the list. Similarly, getlistitem does not increment the
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returned item's reference count.
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*/
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extern typeobject Listtype;
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#define is_listobject(op) ((op)->ob_type == &Listtype)
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extern object *newlistobject PROTO((int size));
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extern int getlistsize PROTO((object *));
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extern object *getlistitem PROTO((object *, int));
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extern int setlistitem PROTO((object *, int, object *));
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extern int inslistitem PROTO((object *, int, object *));
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extern int addlistitem PROTO((object *, object *));
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