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Minor VM refactor + GC bug fix

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The VM now respects metamethods from proto objects connected to tables. Also the CState is frozen while being instantiated.
This commit is contained in:
CPunch
2021-01-23 17:16:45 -06:00
parent 0ad0df5fba
commit fd1481fa43
3 changed files with 158 additions and 187 deletions
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16
src/cmem.h
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@@ -7,13 +7,19 @@
//#define GC_STRESS
//#define GC_DEBUG
// arrays will grow by a factor of 2
// arrays *must* grow by a factor of 2
#define GROW_FACTOR 2
#define HEAP_GROW_FACTOR 2
#define ARRAY_START 8
#ifdef GC_DEBUG
#define cosmoM_freearray(state, type, buf, capacity) \
cosmoM_reallocate(state, buf, sizeof(type) *capacity, 0)
printf("freeing array %p [size %lu] at %s:%d\n", buf, sizeof(type) * capacity, __FILE__, __LINE__); \
cosmoM_reallocate(state, buf, sizeof(type) * capacity, 0)
#else
#define cosmoM_freearray(state, type, buf, capacity) \
cosmoM_reallocate(state, buf, sizeof(type) * capacity, 0)
#endif
#define cosmoM_growarray(state, type, buf, count, capacity) \
if (count >= capacity || buf == NULL) { \
@@ -22,8 +28,14 @@
buf = (type*)cosmoM_reallocate(state, buf, sizeof(type) *old, sizeof(type) *capacity); \
}
#ifdef GC_DEBUG
#define cosmoM_free(state, type, x) \
printf("freeing %p [size %lu] at %s:%d\n", x, sizeof(type), __FILE__, __LINE__); \
cosmoM_reallocate(state, x, sizeof(type), 0)
#else
#define cosmoM_free(state, type, x) \
cosmoM_reallocate(state, x, sizeof(type), 0)
#endif
#define cosmoM_isFrozen(state) \
(state->freezeGC > 0)