/* * Heap header definition and assorted macros, including ref counting. * Access all fields through the accessor macros. */ #ifndef DUK_HEAPHDR_H_INCLUDED #define DUK_HEAPHDR_H_INCLUDED /* * Common heap header * * All heap objects share the same flags and refcount fields. Objects other * than strings also need to have a single or double linked list pointers * for insertion into the "heap allocated" list. Strings are held in the * heap-wide string table so they don't need link pointers. * * Technically, 'h_refcount' must be wide enough to guarantee that it cannot * wrap (otherwise objects might be freed incorrectly after wrapping). This * means essentially that the refcount field must be as wide as data pointers. * On 64-bit platforms this means that the refcount needs to be 64 bits even * if an 'int' is 32 bits. This is a bit unfortunate, and compromising on * this might be reasonable in the future. * * Heap header size on 32-bit platforms: 8 bytes without reference counting, * 16 bytes with reference counting. */ struct duk_heaphdr { duk_uint32_t h_flags; #if defined(DUK_USE_REFERENCE_COUNTING) #if defined(DUK_USE_REFCOUNT16) duk_uint16_t h_refcount16; #else duk_size_t h_refcount; #endif #endif #if defined(DUK_USE_HEAPPTR16) duk_uint16_t h_next16; #else duk_heaphdr *h_next; #endif #if defined(DUK_USE_DOUBLE_LINKED_HEAP) /* refcounting requires direct heap frees, which in turn requires a dual linked heap */ #if defined(DUK_USE_HEAPPTR16) duk_uint16_t h_prev16; #else duk_heaphdr *h_prev; #endif #endif /* When DUK_USE_HEAPPTR16 (and DUK_USE_REFCOUNT16) is in use, the * struct won't align nicely to 4 bytes. This 16-bit extra field * is added to make the alignment clean; the field can be used by * heap objects when 16-bit packing is used. This field is now * conditional to DUK_USE_HEAPPTR16 only, but it is intended to be * used with DUK_USE_REFCOUNT16 and DUK_USE_DOUBLE_LINKED_HEAP; * this only matter to low memory environments anyway. */ #if defined(DUK_USE_HEAPPTR16) duk_uint16_t h_extra16; #endif }; struct duk_heaphdr_string { /* 16 bits would be enough for shared heaphdr flags and duk_hstring * flags. The initial parts of duk_heaphdr_string and duk_heaphdr * must match so changing the flags field size here would be quite * awkward. However, to minimize struct size, we can pack at least * 16 bits of duk_hstring data into the flags field. */ duk_uint32_t h_flags; #if defined(DUK_USE_REFERENCE_COUNTING) #if defined(DUK_USE_REFCOUNT16) duk_uint16_t h_refcount16; duk_uint16_t h_strextra16; /* round out to 8 bytes */ #else duk_size_t h_refcount; #endif #endif }; #define DUK_HEAPHDR_FLAGS_TYPE_MASK 0x00000003UL #define DUK_HEAPHDR_FLAGS_FLAG_MASK (~DUK_HEAPHDR_FLAGS_TYPE_MASK) /* 2 bits for heap type */ #define DUK_HEAPHDR_FLAGS_HEAP_START 2 /* 5 heap flags */ #define DUK_HEAPHDR_FLAGS_USER_START 7 /* 25 user flags */ #define DUK_HEAPHDR_HEAP_FLAG_NUMBER(n) (DUK_HEAPHDR_FLAGS_HEAP_START + (n)) #define DUK_HEAPHDR_USER_FLAG_NUMBER(n) (DUK_HEAPHDR_FLAGS_USER_START + (n)) #define DUK_HEAPHDR_HEAP_FLAG(n) (1UL << (DUK_HEAPHDR_FLAGS_HEAP_START + (n))) #define DUK_HEAPHDR_USER_FLAG(n) (1UL << (DUK_HEAPHDR_FLAGS_USER_START + (n))) #define DUK_HEAPHDR_FLAG_REACHABLE DUK_HEAPHDR_HEAP_FLAG(0) /* mark-and-sweep: reachable */ #define DUK_HEAPHDR_FLAG_TEMPROOT DUK_HEAPHDR_HEAP_FLAG(1) /* mark-and-sweep: children not processed */ #define DUK_HEAPHDR_FLAG_FINALIZABLE DUK_HEAPHDR_HEAP_FLAG(2) /* mark-and-sweep: finalizable (on current pass) */ #define DUK_HEAPHDR_FLAG_FINALIZED DUK_HEAPHDR_HEAP_FLAG(3) /* mark-and-sweep: finalized (on previous pass) */ #define DUK_HEAPHDR_FLAG_READONLY DUK_HEAPHDR_HEAP_FLAG(4) /* read-only object, in code section */ #define DUK_HTYPE_MIN 0 #define DUK_HTYPE_STRING 0 #define DUK_HTYPE_OBJECT 1 #define DUK_HTYPE_BUFFER 2 #define DUK_HTYPE_MAX 2 #if defined(DUK_USE_HEAPPTR16) #define DUK_HEAPHDR_GET_NEXT(heap,h) \ ((duk_heaphdr *) DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->h_next16)) #define DUK_HEAPHDR_SET_NEXT(heap,h,val) do { \ (h)->h_next16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) val); \ } while (0) #else #define DUK_HEAPHDR_GET_NEXT(heap,h) ((h)->h_next) #define DUK_HEAPHDR_SET_NEXT(heap,h,val) do { \ (h)->h_next = (val); \ } while (0) #endif #if defined(DUK_USE_DOUBLE_LINKED_HEAP) #if defined(DUK_USE_HEAPPTR16) #define DUK_HEAPHDR_GET_PREV(heap,h) \ ((duk_heaphdr *) DUK_USE_HEAPPTR_DEC16((heap)->heap_udata, (h)->h_prev16)) #define DUK_HEAPHDR_SET_PREV(heap,h,val) do { \ (h)->h_prev16 = DUK_USE_HEAPPTR_ENC16((heap)->heap_udata, (void *) (val)); \ } while (0) #else #define DUK_HEAPHDR_GET_PREV(heap,h) ((h)->h_prev) #define DUK_HEAPHDR_SET_PREV(heap,h,val) do { \ (h)->h_prev = (val); \ } while (0) #endif #endif #if defined(DUK_USE_REFERENCE_COUNTING) #if defined(DUK_USE_REFCOUNT16) #define DUK_HEAPHDR_GET_REFCOUNT(h) ((h)->h_refcount16) #define DUK_HEAPHDR_SET_REFCOUNT(h,val) do { \ (h)->h_refcount16 = (val); \ } while (0) #define DUK_HEAPHDR_PREINC_REFCOUNT(h) (++(h)->h_refcount16) /* result: updated refcount */ #define DUK_HEAPHDR_PREDEC_REFCOUNT(h) (--(h)->h_refcount16) /* result: updated refcount */ #else #define DUK_HEAPHDR_GET_REFCOUNT(h) ((h)->h_refcount) #define DUK_HEAPHDR_SET_REFCOUNT(h,val) do { \ (h)->h_refcount = (val); \ } while (0) #define DUK_HEAPHDR_PREINC_REFCOUNT(h) (++(h)->h_refcount) /* result: updated refcount */ #define DUK_HEAPHDR_PREDEC_REFCOUNT(h) (--(h)->h_refcount) /* result: updated refcount */ #endif #else /* refcount macros not defined without refcounting, caller must #ifdef now */ #endif /* DUK_USE_REFERENCE_COUNTING */ /* * Note: type is treated as a field separate from flags, so some masking is * involved in the macros below. */ #define DUK_HEAPHDR_GET_FLAGS_RAW(h) ((h)->h_flags) #define DUK_HEAPHDR_GET_FLAGS(h) ((h)->h_flags & DUK_HEAPHDR_FLAGS_FLAG_MASK) #define DUK_HEAPHDR_SET_FLAGS(h,val) do { \ (h)->h_flags = ((h)->h_flags & ~(DUK_HEAPHDR_FLAGS_FLAG_MASK)) | (val); \ } while (0) #define DUK_HEAPHDR_GET_TYPE(h) ((h)->h_flags & DUK_HEAPHDR_FLAGS_TYPE_MASK) #define DUK_HEAPHDR_SET_TYPE(h,val) do { \ (h)->h_flags = ((h)->h_flags & ~(DUK_HEAPHDR_FLAGS_TYPE_MASK)) | (val); \ } while (0) /* Comparison for type >= DUK_HTYPE_MIN skipped; because DUK_HTYPE_MIN is zero * and the comparison is unsigned, it's always true and generates warnings. */ #define DUK_HEAPHDR_HTYPE_VALID(h) ( \ DUK_HEAPHDR_GET_TYPE((h)) <= DUK_HTYPE_MAX \ ) #define DUK_HEAPHDR_SET_TYPE_AND_FLAGS(h,tval,fval) do { \ (h)->h_flags = ((tval) & DUK_HEAPHDR_FLAGS_TYPE_MASK) | \ ((fval) & DUK_HEAPHDR_FLAGS_FLAG_MASK); \ } while (0) #define DUK_HEAPHDR_SET_FLAG_BITS(h,bits) do { \ DUK_ASSERT(((bits) & ~(DUK_HEAPHDR_FLAGS_FLAG_MASK)) == 0); \ (h)->h_flags |= (bits); \ } while (0) #define DUK_HEAPHDR_CLEAR_FLAG_BITS(h,bits) do { \ DUK_ASSERT(((bits) & ~(DUK_HEAPHDR_FLAGS_FLAG_MASK)) == 0); \ (h)->h_flags &= ~((bits)); \ } while (0) #define DUK_HEAPHDR_CHECK_FLAG_BITS(h,bits) (((h)->h_flags & (bits)) != 0) #define DUK_HEAPHDR_SET_REACHABLE(h) DUK_HEAPHDR_SET_FLAG_BITS((h),DUK_HEAPHDR_FLAG_REACHABLE) #define DUK_HEAPHDR_CLEAR_REACHABLE(h) DUK_HEAPHDR_CLEAR_FLAG_BITS((h),DUK_HEAPHDR_FLAG_REACHABLE) #define DUK_HEAPHDR_HAS_REACHABLE(h) DUK_HEAPHDR_CHECK_FLAG_BITS((h),DUK_HEAPHDR_FLAG_REACHABLE) #define DUK_HEAPHDR_SET_TEMPROOT(h) DUK_HEAPHDR_SET_FLAG_BITS((h),DUK_HEAPHDR_FLAG_TEMPROOT) #define DUK_HEAPHDR_CLEAR_TEMPROOT(h) DUK_HEAPHDR_CLEAR_FLAG_BITS((h),DUK_HEAPHDR_FLAG_TEMPROOT) #define DUK_HEAPHDR_HAS_TEMPROOT(h) DUK_HEAPHDR_CHECK_FLAG_BITS((h),DUK_HEAPHDR_FLAG_TEMPROOT) #define DUK_HEAPHDR_SET_FINALIZABLE(h) DUK_HEAPHDR_SET_FLAG_BITS((h),DUK_HEAPHDR_FLAG_FINALIZABLE) #define DUK_HEAPHDR_CLEAR_FINALIZABLE(h) DUK_HEAPHDR_CLEAR_FLAG_BITS((h),DUK_HEAPHDR_FLAG_FINALIZABLE) #define DUK_HEAPHDR_HAS_FINALIZABLE(h) DUK_HEAPHDR_CHECK_FLAG_BITS((h),DUK_HEAPHDR_FLAG_FINALIZABLE) #define DUK_HEAPHDR_SET_FINALIZED(h) DUK_HEAPHDR_SET_FLAG_BITS((h),DUK_HEAPHDR_FLAG_FINALIZED) #define DUK_HEAPHDR_CLEAR_FINALIZED(h) DUK_HEAPHDR_CLEAR_FLAG_BITS((h),DUK_HEAPHDR_FLAG_FINALIZED) #define DUK_HEAPHDR_HAS_FINALIZED(h) DUK_HEAPHDR_CHECK_FLAG_BITS((h),DUK_HEAPHDR_FLAG_FINALIZED) #define DUK_HEAPHDR_SET_READONLY(h) DUK_HEAPHDR_SET_FLAG_BITS((h),DUK_HEAPHDR_FLAG_READONLY) #define DUK_HEAPHDR_CLEAR_READONLY(h) DUK_HEAPHDR_CLEAR_FLAG_BITS((h),DUK_HEAPHDR_FLAG_READONLY) #define DUK_HEAPHDR_HAS_READONLY(h) DUK_HEAPHDR_CHECK_FLAG_BITS((h),DUK_HEAPHDR_FLAG_READONLY) /* get or set a range of flags; m=first bit number, n=number of bits */ #define DUK_HEAPHDR_GET_FLAG_RANGE(h,m,n) (((h)->h_flags >> (m)) & ((1UL << (n)) - 1UL)) #define DUK_HEAPHDR_SET_FLAG_RANGE(h,m,n,v) do { \ (h)->h_flags = \ ((h)->h_flags & (~(((1UL << (n)) - 1UL) << (m)))) \ | ((v) << (m)); \ } while (0) /* init pointer fields to null */ #if defined(DUK_USE_DOUBLE_LINKED_HEAP) #define DUK_HEAPHDR_INIT_NULLS(h) do { \ DUK_HEAPHDR_SET_NEXT((h), (void *) NULL); \ DUK_HEAPHDR_SET_PREV((h), (void *) NULL); \ } while (0) #else #define DUK_HEAPHDR_INIT_NULLS(h) do { \ DUK_HEAPHDR_SET_NEXT((h), (void *) NULL); \ } while (0) #endif #define DUK_HEAPHDR_STRING_INIT_NULLS(h) /* currently nop */ /* * Type tests */ #define DUK_HEAPHDR_IS_OBJECT(h) \ (DUK_HEAPHDR_GET_TYPE((h)) == DUK_HTYPE_OBJECT) #define DUK_HEAPHDR_IS_STRING(h) \ (DUK_HEAPHDR_GET_TYPE((h)) == DUK_HTYPE_STRING) #define DUK_HEAPHDR_IS_BUFFER(h) \ (DUK_HEAPHDR_GET_TYPE((h)) == DUK_HTYPE_BUFFER) /* * Assert helpers */ /* Check that prev/next links are consistent: if e.g. h->prev is != NULL, * h->prev->next should point back to h. */ #if defined(DUK_USE_DOUBLE_LINKED_HEAP) && defined(DUK_USE_ASSERTIONS) #define DUK_ASSERT_HEAPHDR_LINKS(heap,h) do { \ if ((h) != NULL) { \ duk_heaphdr *h__prev, *h__next; \ h__prev = DUK_HEAPHDR_GET_PREV((heap), (h)); \ h__next = DUK_HEAPHDR_GET_NEXT((heap), (h)); \ DUK_ASSERT(h__prev == NULL || (DUK_HEAPHDR_GET_NEXT((heap), h__prev) == (h))); \ DUK_ASSERT(h__next == NULL || (DUK_HEAPHDR_GET_PREV((heap), h__next) == (h))); \ } \ } while (0) #else #define DUK_ASSERT_HEAPHDR_LINKS(heap,h) do {} while (0) #endif /* * Reference counting helper macros. The macros take a thread argument * and must thus always be executed in a specific thread context. The * thread argument is needed for features like finalization. Currently * it is not required for INCREF, but it is included just in case. * * Note that 'raw' macros such as DUK_HEAPHDR_GET_REFCOUNT() are not * defined without DUK_USE_REFERENCE_COUNTING, so caller must #ifdef * around them. */ #if defined(DUK_USE_REFERENCE_COUNTING) #if defined(DUK_USE_ROM_OBJECTS) /* With ROM objects "needs refcount update" is true when the value is * heap allocated and is not a ROM object. */ /* XXX: double evaluation for 'tv' argument. */ #define DUK_TVAL_NEEDS_REFCOUNT_UPDATE(tv) \ (DUK_TVAL_IS_HEAP_ALLOCATED((tv)) && !DUK_HEAPHDR_HAS_READONLY(DUK_TVAL_GET_HEAPHDR((tv)))) #define DUK_HEAPHDR_NEEDS_REFCOUNT_UPDATE(h) (!DUK_HEAPHDR_HAS_READONLY((h))) #else /* DUK_USE_ROM_OBJECTS */ /* Without ROM objects "needs refcount update" == is heap allocated. */ #define DUK_TVAL_NEEDS_REFCOUNT_UPDATE(tv) DUK_TVAL_IS_HEAP_ALLOCATED((tv)) #define DUK_HEAPHDR_NEEDS_REFCOUNT_UPDATE(h) 1 #endif /* DUK_USE_ROM_OBJECTS */ /* Fast variants, inline refcount operations except for refzero handling. * Can be used explicitly when speed is always more important than size. * For a good compiler and a single file build, these are basically the * same as a forced inline. */ #define DUK_TVAL_INCREF_FAST(thr,tv) do { \ duk_tval *duk__tv = (tv); \ DUK_ASSERT(duk__tv != NULL); \ if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(duk__tv)) { \ duk_heaphdr *duk__h = DUK_TVAL_GET_HEAPHDR(duk__tv); \ DUK_ASSERT(duk__h != NULL); \ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \ DUK_HEAPHDR_PREINC_REFCOUNT(duk__h); \ } \ } while (0) #define DUK_TVAL_DECREF_FAST(thr,tv) do { \ duk_tval *duk__tv = (tv); \ DUK_ASSERT(duk__tv != NULL); \ if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(duk__tv)) { \ duk_heaphdr *duk__h = DUK_TVAL_GET_HEAPHDR(duk__tv); \ DUK_ASSERT(duk__h != NULL); \ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(duk__h) > 0); \ if (DUK_HEAPHDR_PREDEC_REFCOUNT(duk__h) == 0) { \ duk_heaphdr_refzero((thr), duk__h); \ } \ } \ } while (0) #define DUK_TVAL_DECREF_NORZ_FAST(thr,tv) do { \ duk_tval *duk__tv = (tv); \ DUK_ASSERT(duk__tv != NULL); \ if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(duk__tv)) { \ duk_heaphdr *duk__h = DUK_TVAL_GET_HEAPHDR(duk__tv); \ DUK_ASSERT(duk__h != NULL); \ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(duk__h) > 0); \ if (DUK_HEAPHDR_PREDEC_REFCOUNT(duk__h) == 0) { \ duk_heaphdr_refzero_norz((thr), duk__h); \ } \ } \ } while (0) #define DUK_HEAPHDR_INCREF_FAST(thr,h) do { \ duk_heaphdr *duk__h = (duk_heaphdr *) (h); \ DUK_ASSERT(duk__h != NULL); \ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \ if (DUK_HEAPHDR_NEEDS_REFCOUNT_UPDATE(duk__h)) { \ DUK_HEAPHDR_PREINC_REFCOUNT(duk__h); \ } \ } while (0) #define DUK_HEAPHDR_DECREF_FAST_RAW(thr,h,rzcall,rzcast) do { \ duk_heaphdr *duk__h = (duk_heaphdr *) (h); \ DUK_ASSERT(duk__h != NULL); \ DUK_ASSERT(DUK_HEAPHDR_HTYPE_VALID(duk__h)); \ DUK_ASSERT(DUK_HEAPHDR_GET_REFCOUNT(duk__h) > 0); \ if (DUK_HEAPHDR_NEEDS_REFCOUNT_UPDATE(duk__h)) { \ if (DUK_HEAPHDR_PREDEC_REFCOUNT(duk__h) == 0) { \ (rzcall)((thr), (rzcast) duk__h); \ } \ } \ } while (0) #define DUK_HEAPHDR_DECREF_FAST(thr,h) \ DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero,duk_heaphdr *) #define DUK_HEAPHDR_DECREF_NORZ_FAST(thr,h) \ DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero_norz,duk_heaphdr *) /* Slow variants, call to a helper to reduce code size. * Can be used explicitly when size is always more important than speed. */ #define DUK_TVAL_INCREF_SLOW(thr,tv) do { \ duk_tval_incref((tv)); \ } while (0) #define DUK_TVAL_DECREF_SLOW(thr,tv) do { \ duk_tval_decref((thr), (tv)); \ } while (0) #define DUK_TVAL_DECREF_NORZ_SLOW(thr,tv) do { \ duk_tval_decref_norz((thr), (tv)); \ } while (0) #define DUK_HEAPHDR_INCREF_SLOW(thr,h) do { \ duk_heaphdr_incref((duk_heaphdr *) (h)); \ } while (0) #define DUK_HSTRING_DECREF_SLOW(thr,h) do { \ duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); \ } while (0) #define DUK_HSTRING_DECREF_NORZ_SLOW(thr,h) do { \ duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); \ } while (0) #define DUK_HBUFFER_DECREF_SLOW(thr,h) do { \ duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); \ } while (0) #define DUK_HBUFFER_DECREF_NORZ_SLOW(thr,h) do { \ duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); \ } while (0) #define DUK_HOBJECT_DECREF_SLOW(thr,h) do { \ duk_heaphdr_decref((thr), (duk_heaphdr *) (h)); \ } while (0) #define DUK_HOBJECT_DECREF_NORZ_SLOW(thr,h) do { \ duk_heaphdr_decref_norz((thr), (duk_heaphdr *) (h)); \ } while (0) /* Default variants. Selection depends on speed/size preference. * Concretely: with gcc 4.8.1 -Os x64 the difference in final binary * is about +1kB for _FAST variants. */ #if defined(DUK_USE_FAST_REFCOUNT_DEFAULT) /* XXX: It would be nice to specialize for specific duk_hobject subtypes * but current refzero queue handling prevents that. */ #define DUK_TVAL_INCREF(thr,tv) DUK_TVAL_INCREF_FAST((thr),(tv)) #define DUK_TVAL_DECREF(thr,tv) DUK_TVAL_DECREF_FAST((thr),(tv)) #define DUK_TVAL_DECREF_NORZ(thr,tv) DUK_TVAL_DECREF_NORZ_FAST((thr),(tv)) #define DUK_HEAPHDR_INCREF(thr,h) DUK_HEAPHDR_INCREF_FAST((thr),(h)) #if 0 /* DUK_HEAPHDR_INCREF() is needed (it's generic) but generic DECREF is not. */ #define DUK_HEAPHDR_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero,duk_heaphdr *) #define DUK_HEAPHDR_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_heaphdr_refzero_norz,duk_heaphdr *) #endif #define DUK_HSTRING_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h)) #define DUK_HSTRING_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hstring_refzero,duk_hstring *) #define DUK_HSTRING_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hstring_refzero,duk_hstring *) /* no 'norz' variant */ #define DUK_HOBJECT_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h)) #define DUK_HOBJECT_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *) #define DUK_HOBJECT_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *) #define DUK_HBUFFER_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h)) #define DUK_HBUFFER_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hbuffer_refzero,duk_hbuffer *) #define DUK_HBUFFER_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hbuffer_refzero,duk_hbuffer *) /* no 'norz' variant */ #define DUK_HCOMPFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HCOMPFUNC_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *) #define DUK_HCOMPFUNC_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *) #define DUK_HNATFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HNATFUNC_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *) #define DUK_HNATFUNC_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *) #define DUK_HBUFOBJ_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HBUFOBJ_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *) #define DUK_HBUFOBJ_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *) #define DUK_HTHREAD_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HTHREAD_DECREF(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero,duk_hobject *) #define DUK_HTHREAD_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_FAST_RAW((thr),(h),duk_hobject_refzero_norz,duk_hobject *) #else #define DUK_TVAL_INCREF(thr,tv) DUK_TVAL_INCREF_SLOW((thr),(tv)) #define DUK_TVAL_DECREF(thr,tv) DUK_TVAL_DECREF_SLOW((thr),(tv)) #define DUK_TVAL_DECREF_NORZ(thr,tv) DUK_TVAL_DECREF_NORZ_SLOW((thr),(tv)) #define DUK_HEAPHDR_INCREF(thr,h) DUK_HEAPHDR_INCREF_SLOW((thr),(h)) #if 0 #define DUK_HEAPHDR_DECREF(thr,h) DUK_HEAPHDR_DECREF_SLOW((thr),(h)) #define DUK_HEAPHDR_DECREF_NORZ(thr,h) DUK_HEAPHDR_DECREF_NORZ_SLOW((thr),(h)) #endif #define DUK_HSTRING_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h)) #define DUK_HSTRING_DECREF(thr,h) DUK_HSTRING_DECREF_SLOW((thr),(h)) #define DUK_HSTRING_DECREF_NORZ(thr,h) DUK_HSTRING_DECREF_NORZ_SLOW((thr),(h)) #define DUK_HOBJECT_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h)) #define DUK_HOBJECT_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(h)) #define DUK_HOBJECT_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(h)) #define DUK_HBUFFER_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) (h)) #define DUK_HBUFFER_DECREF(thr,h) DUK_HBUFFER_DECREF_SLOW((thr),(h)) #define DUK_HBUFFER_DECREF_NORZ(thr,h) DUK_HBUFFER_DECREF_NORZ_SLOW((thr),(h)) #define DUK_HCOMPFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HCOMPFUNC_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HCOMPFUNC_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HNATFUNC_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HNATFUNC_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HNATFUNC_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HBUFOBJ_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HBUFOBJ_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HBUFOB_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HTHREAD_INCREF(thr,h) DUK_HEAPHDR_INCREF((thr),(duk_heaphdr *) &(h)->obj) #define DUK_HTHREAD_DECREF(thr,h) DUK_HOBJECT_DECREF_SLOW((thr),(duk_hobject *) &(h)->obj) #define DUK_HTHREAD_DECREF_NORZ(thr,h) DUK_HOBJECT_DECREF_NORZ_SLOW((thr),(duk_hobject *) &(h)->obj) #endif /* Convenience for some situations; the above macros don't allow NULLs * for performance reasons. Macros cover only actually needed cases. */ #define DUK_HEAPHDR_INCREF_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HEAPHDR_INCREF((thr), (duk_heaphdr *) (h)); \ } \ } while (0) #define DUK_HEAPHDR_DECREF_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HEAPHDR_DECREF((thr), (duk_heaphdr *) (h)); \ } \ } while (0) #define DUK_HEAPHDR_DECREF_NORZ_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HEAPHDR_DECREF_NORZ((thr), (duk_heaphdr *) (h)); \ } \ } while (0) #define DUK_HOBJECT_INCREF_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HOBJECT_INCREF((thr), (h)); \ } \ } while (0) #define DUK_HOBJECT_DECREF_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HOBJECT_DECREF((thr), (h)); \ } \ } while (0) #define DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HOBJECT_DECREF_NORZ((thr), (h)); \ } \ } while (0) #define DUK_HTHREAD_INCREF_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HTHREAD_INCREF((thr), (h)); \ } \ } while (0) #define DUK_HTHREAD_DECREF_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HTHREAD_DECREF((thr), (h)); \ } \ } while (0) #define DUK_HTHREAD_DECREF_NORZ_ALLOWNULL(thr,h) do { \ if ((h) != NULL) { \ DUK_HTHREAD_DECREF_NORZ((thr), (h)); \ } \ } while (0) /* Free pending refzero entries; quick check to avoid call because often * the queue is empty. */ #define DUK_REFZERO_CHECK(thr) do { \ if ((thr)->heap->refzero_list != NULL) { \ duk_refzero_free_pending((thr)); \ } \ } while (0) /* * Macros to set a duk_tval and update refcount of the target (decref the * old value and incref the new value if necessary). This is both performance * and footprint critical; any changes made should be measured for size/speed. */ #define DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_UNDEFINED(tv__dst); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_UNDEFINED(tv__dst); \ DUK_TVAL_DECREF_NORZ((thr), &tv__tmp); \ } while (0) #define DUK_TVAL_SET_UNUSED_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_UNUSED(tv__dst); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_NULL_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_NULL(tv__dst); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_BOOLEAN_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_BOOLEAN(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_NUMBER_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_NUMBER(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_NUMBER_CHKFAST(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_DOUBLE_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_DOUBLE(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_NAN_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_NAN(tv__dst); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #if defined(DUK_USE_FASTINT) #define DUK_TVAL_SET_I48_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_I48(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_I32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_I32(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_U32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_U32(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #else #define DUK_TVAL_SET_DOUBLE_CAST_UPDREF(thr,tvptr_dst,newval) \ DUK_TVAL_SET_DOUBLE_UPDREF((thr), (tvptr_dst), (duk_double_t) (newval)) #endif /* DUK_USE_FASTINT */ #define DUK_TVAL_SET_LIGHTFUNC_UPDREF_ALT0(thr,tvptr_dst,lf_v,lf_fp,lf_flags) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_LIGHTFUNC(tv__dst, (lf_v), (lf_fp), (lf_flags)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_STRING_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_STRING(tv__dst, (newval)); \ DUK_HSTRING_INCREF((thr), (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_OBJECT_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_OBJECT(tv__dst, (newval)); \ DUK_HOBJECT_INCREF((thr), (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_BUFFER_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_BUFFER(tv__dst, (newval)); \ DUK_HBUFFER_INCREF((thr), (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) #define DUK_TVAL_SET_POINTER_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; duk_tval tv__tmp; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_POINTER(tv__dst, (newval)); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) /* DUK_TVAL_SET_TVAL_UPDREF() is used a lot in executor, property lookups, * etc, so it's very important for performance. Measure when changing. * * NOTE: the source and destination duk_tval pointers may be the same, and * the macros MUST deal with that correctly. */ /* Original idiom used, minimal code size. */ #define DUK_TVAL_SET_TVAL_UPDREF_ALT0(thr,tvptr_dst,tvptr_src) do { \ duk_tval *tv__dst, *tv__src; duk_tval tv__tmp; \ tv__dst = (tvptr_dst); tv__src = (tvptr_src); \ DUK_TVAL_SET_TVAL(&tv__tmp, tv__dst); \ DUK_TVAL_SET_TVAL(tv__dst, tv__src); \ DUK_TVAL_INCREF((thr), tv__src); \ DUK_TVAL_DECREF((thr), &tv__tmp); /* side effects */ \ } while (0) /* Faster alternative: avoid making a temporary copy of tvptr_dst and use * fast incref/decref macros. */ #define DUK_TVAL_SET_TVAL_UPDREF_ALT1(thr,tvptr_dst,tvptr_src) do { \ duk_tval *tv__dst, *tv__src; duk_heaphdr *h__obj; \ tv__dst = (tvptr_dst); tv__src = (tvptr_src); \ DUK_TVAL_INCREF_FAST((thr), tv__src); \ if (DUK_TVAL_NEEDS_REFCOUNT_UPDATE(tv__dst)) { \ h__obj = DUK_TVAL_GET_HEAPHDR(tv__dst); \ DUK_ASSERT(h__obj != NULL); \ DUK_TVAL_SET_TVAL(tv__dst, tv__src); \ DUK_HEAPHDR_DECREF_FAST((thr), h__obj); /* side effects */ \ } else { \ DUK_TVAL_SET_TVAL(tv__dst, tv__src); \ } \ } while (0) /* XXX: no optimized variants yet */ #define DUK_TVAL_SET_UNDEFINED_UPDREF DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0 #define DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ DUK_TVAL_SET_UNDEFINED_UPDREF_NORZ_ALT0 #define DUK_TVAL_SET_UNUSED_UPDREF DUK_TVAL_SET_UNUSED_UPDREF_ALT0 #define DUK_TVAL_SET_NULL_UPDREF DUK_TVAL_SET_NULL_UPDREF_ALT0 #define DUK_TVAL_SET_BOOLEAN_UPDREF DUK_TVAL_SET_BOOLEAN_UPDREF_ALT0 #define DUK_TVAL_SET_NUMBER_UPDREF DUK_TVAL_SET_NUMBER_UPDREF_ALT0 #define DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF_ALT0 #define DUK_TVAL_SET_DOUBLE_UPDREF DUK_TVAL_SET_DOUBLE_UPDREF_ALT0 #define DUK_TVAL_SET_NAN_UPDREF DUK_TVAL_SET_NAN_UPDREF_ALT0 #if defined(DUK_USE_FASTINT) #define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_I48_UPDREF_ALT0 #define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_I32_UPDREF_ALT0 #define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_U32_UPDREF_ALT0 #else #define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF /* XXX: fast int-to-double */ #define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF #define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF #endif /* DUK_USE_FASTINT */ #define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_I48_UPDREF /* convenience */ #define DUK_TVAL_SET_LIGHTFUNC_UPDREF DUK_TVAL_SET_LIGHTFUNC_UPDREF_ALT0 #define DUK_TVAL_SET_STRING_UPDREF DUK_TVAL_SET_STRING_UPDREF_ALT0 #define DUK_TVAL_SET_OBJECT_UPDREF DUK_TVAL_SET_OBJECT_UPDREF_ALT0 #define DUK_TVAL_SET_BUFFER_UPDREF DUK_TVAL_SET_BUFFER_UPDREF_ALT0 #define DUK_TVAL_SET_POINTER_UPDREF DUK_TVAL_SET_POINTER_UPDREF_ALT0 #if defined(DUK_USE_FAST_REFCOUNT_DEFAULT) /* Optimized for speed. */ #define DUK_TVAL_SET_TVAL_UPDREF DUK_TVAL_SET_TVAL_UPDREF_ALT1 #define DUK_TVAL_SET_TVAL_UPDREF_FAST DUK_TVAL_SET_TVAL_UPDREF_ALT1 #define DUK_TVAL_SET_TVAL_UPDREF_SLOW DUK_TVAL_SET_TVAL_UPDREF_ALT0 #else /* Optimized for size. */ #define DUK_TVAL_SET_TVAL_UPDREF DUK_TVAL_SET_TVAL_UPDREF_ALT0 #define DUK_TVAL_SET_TVAL_UPDREF_FAST DUK_TVAL_SET_TVAL_UPDREF_ALT0 #define DUK_TVAL_SET_TVAL_UPDREF_SLOW DUK_TVAL_SET_TVAL_UPDREF_ALT0 #endif #else /* DUK_USE_REFERENCE_COUNTING */ #define DUK_TVAL_INCREF_FAST(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_DECREF_FAST(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_DECREF_NORZ_FAST(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_INCREF_SLOW(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_DECREF_SLOW(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_DECREF_NORZ_SLOW(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_INCREF(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_DECREF(thr,v) do {} while (0) /* nop */ #define DUK_TVAL_DECREF_NORZ(thr,v) do {} while (0) /* nop */ #define DUK_HEAPHDR_INCREF_FAST(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_DECREF_FAST(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_DECREF_NORZ_FAST(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_INCREF_SLOW(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_DECREF_SLOW(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_DECREF_NORZ_SLOW(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HEAPHDR_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HSTRING_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HSTRING_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HSTRING_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HOBJECT_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HOBJECT_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HOBJECT_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HBUFFER_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HBUFFER_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HBUFFER_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HCOMPFUNC_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HCOMPFUNC_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HCOMPFUNC_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HNATFUNC_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HNATFUNC_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HNATFUNC_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HBUFOBJ_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HBUFOBJ_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HBUFOBJ_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HTHREAD_INCREF(thr,h) do {} while (0) /* nop */ #define DUK_HTHREAD_DECREF(thr,h) do {} while (0) /* nop */ #define DUK_HTHREAD_DECREF_NORZ(thr,h) do {} while (0) /* nop */ #define DUK_HOBJECT_INCREF_ALLOWNULL(thr,h) do {} while (0) /* nop */ #define DUK_HOBJECT_DECREF_ALLOWNULL(thr,h) do {} while (0) /* nop */ #define DUK_HOBJECT_DECREF_NORZ_ALLOWNULL(thr,h) do {} while (0) /* nop */ #define DUK_REFZERO_CHECK(thr) do {} while (0) /* nop */ #define DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_UNDEFINED(tv__dst); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_UNUSED_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_UNUSED(tv__dst); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_NULL_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_NULL(tv__dst); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_BOOLEAN_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_BOOLEAN(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_NUMBER_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_NUMBER(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_NUMBER_CHKFAST(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_DOUBLE_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_DOUBLE(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_NAN_UPDREF_ALT0(thr,tvptr_dst) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_NAN(tv__dst); \ DUK_UNREF((thr)); \ } while (0) #if defined(DUK_USE_FASTINT) #define DUK_TVAL_SET_I48_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_I48(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_I32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_I32(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_U32_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_U32(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #else #define DUK_TVAL_SET_DOUBLE_CAST_UPDREF(thr,tvptr_dst,newval) \ DUK_TVAL_SET_DOUBLE_UPDREF((thr), (tvptr_dst), (duk_double_t) (newval)) #endif /* DUK_USE_FASTINT */ #define DUK_TVAL_SET_LIGHTFUNC_UPDREF_ALT0(thr,tvptr_dst,lf_v,lf_fp,lf_flags) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_LIGHTFUNC(tv__dst, (lf_v), (lf_fp), (lf_flags)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_STRING_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_STRING(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_OBJECT_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_OBJECT(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_BUFFER_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_BUFFER(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_POINTER_UPDREF_ALT0(thr,tvptr_dst,newval) do { \ duk_tval *tv__dst; tv__dst = (tvptr_dst); \ DUK_TVAL_SET_POINTER(tv__dst, (newval)); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_TVAL_UPDREF_ALT0(thr,tvptr_dst,tvptr_src) do { \ duk_tval *tv__dst, *tv__src; \ tv__dst = (tvptr_dst); tv__src = (tvptr_src); \ DUK_TVAL_SET_TVAL(tv__dst, tv__src); \ DUK_UNREF((thr)); \ } while (0) #define DUK_TVAL_SET_UNDEFINED_UPDREF DUK_TVAL_SET_UNDEFINED_UPDREF_ALT0 #define DUK_TVAL_SET_UNUSED_UPDREF DUK_TVAL_SET_UNUSED_UPDREF_ALT0 #define DUK_TVAL_SET_NULL_UPDREF DUK_TVAL_SET_NULL_UPDREF_ALT0 #define DUK_TVAL_SET_BOOLEAN_UPDREF DUK_TVAL_SET_BOOLEAN_UPDREF_ALT0 #define DUK_TVAL_SET_NUMBER_UPDREF DUK_TVAL_SET_NUMBER_UPDREF_ALT0 #define DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF DUK_TVAL_SET_NUMBER_CHKFAST_UPDREF_ALT0 #define DUK_TVAL_SET_DOUBLE_UPDREF DUK_TVAL_SET_DOUBLE_UPDREF_ALT0 #define DUK_TVAL_SET_NAN_UPDREF DUK_TVAL_SET_NAN_UPDREF_ALT0 #if defined(DUK_USE_FASTINT) #define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_I48_UPDREF_ALT0 #define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_I32_UPDREF_ALT0 #define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_U32_UPDREF_ALT0 #else #define DUK_TVAL_SET_I48_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF /* XXX: fast-int-to-double */ #define DUK_TVAL_SET_I32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF #define DUK_TVAL_SET_U32_UPDREF DUK_TVAL_SET_DOUBLE_CAST_UPDREF #endif /* DUK_USE_FASTINT */ #define DUK_TVAL_SET_FASTINT_UPDREF DUK_TVAL_SET_I48_UPDREF /* convenience */ #define DUK_TVAL_SET_LIGHTFUNC_UPDREF DUK_TVAL_SET_LIGHTFUNC_UPDREF_ALT0 #define DUK_TVAL_SET_STRING_UPDREF DUK_TVAL_SET_STRING_UPDREF_ALT0 #define DUK_TVAL_SET_OBJECT_UPDREF DUK_TVAL_SET_OBJECT_UPDREF_ALT0 #define DUK_TVAL_SET_BUFFER_UPDREF DUK_TVAL_SET_BUFFER_UPDREF_ALT0 #define DUK_TVAL_SET_POINTER_UPDREF DUK_TVAL_SET_POINTER_UPDREF_ALT0 #define DUK_TVAL_SET_TVAL_UPDREF DUK_TVAL_SET_TVAL_UPDREF_ALT0 #define DUK_TVAL_SET_TVAL_UPDREF_FAST DUK_TVAL_SET_TVAL_UPDREF_ALT0 #define DUK_TVAL_SET_TVAL_UPDREF_SLOW DUK_TVAL_SET_TVAL_UPDREF_ALT0 #endif /* DUK_USE_REFERENCE_COUNTING */ #endif /* DUK_HEAPHDR_H_INCLUDED */