duk_heap_misc.c File Reference

#include "duk_internal.h"

Go to the source code of this file.

Functions
DUK_INTERNAL void	duk_heap_remove_any_from_heap_allocated (duk_heap *heap, duk_heaphdr *hdr)
DUK_INTERNAL void	duk_heap_insert_into_heap_allocated (duk_heap *heap, duk_heaphdr *hdr)

Function Documentation

duk_heap_insert_into_heap_allocated()

DUK_INTERNAL void duk_heap_insert_into_heap_allocated	(	duk_heap *	heap,
		duk_heaphdr *	hdr )

Definition at line 32 of file duktape-1.5.2/src-separate/duk_heap_misc.c.

                                                                                        {
    DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(hdr) != DUK_HTYPE_STRING);
 
#ifdef DUK_USE_DOUBLE_LINKED_HEAP
    if (heap->heap_allocated) {
        DUK_ASSERT(DUK_HEAPHDR_GET_PREV(heap, heap->heap_allocated) == NULL);
        DUK_HEAPHDR_SET_PREV(heap, heap->heap_allocated, hdr);
    }
    DUK_HEAPHDR_SET_PREV(heap, hdr, NULL);
#endif
    DUK_HEAPHDR_SET_NEXT(heap, hdr, heap->heap_allocated);
    heap->heap_allocated = hdr;
}

References DUK_ASSERT, DUK_HEAPHDR_GET_PREV, DUK_HEAPHDR_GET_TYPE, DUK_HEAPHDR_SET_NEXT, DUK_HEAPHDR_SET_PREV, DUK_HTYPE_STRING, duk_heap::heap_allocated, and NULL.

duk_heap_remove_any_from_heap_allocated()

DUK_INTERNAL void duk_heap_remove_any_from_heap_allocated	(	duk_heap *	heap,
		duk_heaphdr *	hdr )

Definition at line 11 of file duktape-1.5.2/src-separate/duk_heap_misc.c.

                                                                                            {
    DUK_ASSERT(DUK_HEAPHDR_GET_TYPE(hdr) != DUK_HTYPE_STRING);
 
    if (DUK_HEAPHDR_GET_PREV(heap, hdr)) {
        DUK_HEAPHDR_SET_NEXT(heap, DUK_HEAPHDR_GET_PREV(heap, hdr), DUK_HEAPHDR_GET_NEXT(heap, hdr));
    } else {
        heap->heap_allocated = DUK_HEAPHDR_GET_NEXT(heap, hdr);
    }
    if (DUK_HEAPHDR_GET_NEXT(heap, hdr)) {
        DUK_HEAPHDR_SET_PREV(heap, DUK_HEAPHDR_GET_NEXT(heap, hdr), DUK_HEAPHDR_GET_PREV(heap, hdr));
    } else {
        ;
    }
 
    /* The prev/next pointers of the removed duk_heaphdr are left as garbage.
     * It's up to the caller to ensure they're written before inserting the
     * object back.
     */
}

References DUK_ASSERT, DUK_HEAPHDR_GET_NEXT, DUK_HEAPHDR_GET_PREV, DUK_HEAPHDR_GET_TYPE, DUK_HEAPHDR_SET_NEXT, DUK_HEAPHDR_SET_PREV, DUK_HTYPE_STRING, and duk_heap::heap_allocated.