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rewrite SSM and clonefunction

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This commit is contained in:
Cloud Wu
2019-04-16 21:16:13 +08:00
committed by 云风
parent 2d6d2c75a4
commit 2ceb642b5d
32 changed files with 934 additions and 645 deletions
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6
3rd/lua/lgc.h
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@@ -79,11 +79,13 @@
#define WHITE1BIT 1 /* object is white (type 1) */
#define BLACKBIT 2 /* object is black */
#define FINALIZEDBIT 3 /* object has been marked for finalization */
#define SHAREBIT 4 /* object shared from other state */
/* bit 7 is currently used by tests (luaL_checkmemory) */
#define WHITEBITS bit2mask(WHITE0BIT, WHITE1BIT)
/* short string is always white */
#define iswhite(x) testbits((x)->marked, WHITEBITS)
#define isblack(x) testbit((x)->marked, BLACKBIT)
#define isgray(x) /* neither white nor black */ \
@@ -91,9 +93,11 @@
#define tofinalize(x) testbit((x)->marked, FINALIZEDBIT)
#define isshared(x) testbit((x)->marked, SHAREBIT)
#define makeshared(x) l_setbit((x)->marked, SHAREBIT)
#define otherwhite(g) ((g)->currentwhite ^ WHITEBITS)
#define isdeadm(ow,m) (!(((m) ^ WHITEBITS) & (ow)))
#define isdead(g,v) isdeadm(otherwhite(g), (v)->marked)
#define isdead(g,v) isdeadm(otherwhite(g) | bitmask(SHAREBIT), (v)->marked)
#define changewhite(x) ((x)->marked ^= WHITEBITS)
#define gray2black(x) l_setbit((x)->marked, BLACKBIT)