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52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#ifndef gc_h_INCLUDED
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#define gc_h_INCLUDED
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#include "datatypes.h"
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/* Makr a value as reachable */
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void gst_mark(Gst *vm, GstValue *x);
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/* Iterate over all allocated memory, and free memory that is not
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* marked as reachable. Flip the gc color flag for next sweep. */
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void gst_sweep(Gst *vm);
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/* Allocate a chunk memory that will be garbage collected. */
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void *gst_alloc(Gst *vm, uint32_t size);
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/* Allocate zeroed memory to be garbage collected */
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void *gst_zalloc(Gst *vm, uint32_t size);
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/* Run a collection */
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void gst_collect(Gst *vm);
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/* Run a collection if we have alloctaed enough memory since the last
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collection */
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void gst_maybe_collect(Gst *vm);
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/* Clear all memory */
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void gst_clear_memory(Gst *vm);
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/* Separate memory container. This memory is not gced, but can be freed at once. This
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* is used in the compiler and parser to prevent memory leaks on errors. */
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typedef void *GstManagedMemory;
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/* Initialize managed memory */
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void gst_mm_init(GstManagedMemory *mm);
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/* Allocate some managed memory */
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void *gst_mm_alloc(GstManagedMemory *mm, uint32_t size);
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/* Intialize zeroed managed memory */
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void *gst_mm_zalloc(GstManagedMemory *mm, uint32_t size);
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/* Free a memory block used in managed memory */
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void gst_mm_free(GstManagedMemory *mm, void *block);
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/* Free all memory in managed memory */
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void gst_mm_clear(GstManagedMemory *mm);
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/* Analog to realloc */
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void *gst_mm_realloc(GstManagedMemory *mm, void *block, uint32_t nsize);
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#endif
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