Initial commit

src/cmem.h

@@ -0,0 +1,47 @@
+#ifndef CMEME_C
+#define CMEME_C // meme lol
+
+#include "cosmo.h"
+
+#include "cstate.h"
+
+//#define GC_STRESS
+//#define GC_DEBUG
+// arrays will grow by a factor of 2
+#define GROW_FACTOR 2
+#define HEAP_GROW_FACTOR 2
+#define ARRAY_START 8
+
+#define cosmoM_freearray(state, type, buf, capacity) \
+    cosmoM_reallocate(state, buf, sizeof(type)  *capacity, 0)
+
+#define cosmoM_growarray(state, type, buf, count, capacity) \
+    if (count >= capacity || buf == NULL) { \
+        int old = capacity; \
+        capacity = old  *GROW_FACTOR; \
+        buf = (type*)cosmoM_reallocate(state, buf, sizeof(type)  *old, sizeof(type)  *capacity); \
+    }
+
+#define cosmoM_free(state, type, x) \
+    cosmoM_reallocate(state, x, sizeof(type), 0)
+
+#define cosmoM_isFrozen(state) \
+    state->freezeGC > 0
+
+#define cosmoM_freezeGC(state) \
+    state->freezeGC++
+
+#define  cosmoM_unfreezeGC(state) \
+    state->freezeGC--
+
+COSMO_API void *cosmoM_reallocate(CState* state, void *buf, size_t oldSize, size_t newSize);
+COSMO_API void cosmoM_collectGarbage(CState* state);
+
+/*
+    wrapper for cosmoM_reallocate so we can track our memory usage (it's also safer :P)
+*/
+static inline void *cosmoM_xmalloc(CState *state, size_t sz) {
+    return cosmoM_reallocate(state, NULL, 0, sz);
+}
+
+#endif