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How the Nasal GC works: Difference between revisions
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= freeelem() = | |||
Frees individual elements and adds freed pointers to the globals free list, implemented in gc.c: https://gitorious.org/fg/simgear/blobs/next/simgear/nasal/gc.c#line137 | |||
<syntaxhighlight lang="C"> | |||
static void freeelem(struct naPool* p, struct naObj* o) | |||
{ | |||
// Clean up any intrinsic storage the object might have... | |||
switch(p->type) { | |||
case T_STR: naStr_gcclean ((struct naStr*) o); break; | |||
case T_VEC: naVec_gcclean ((struct naVec*) o); break; | |||
case T_HASH: naiGCHashClean ((struct naHash*) o); break; | |||
case T_CODE: naCode_gcclean ((struct naCode*) o); break; | |||
case T_GHOST: naGhost_gcclean((struct naGhost*)o); break; | |||
} | |||
p->free[p->nfree++] = o; // ...and add it to the free list | |||
} | |||
</syntaxhighlight> | |||
= Type destructors = | |||
Will be called by freelem(), implemented for all native Nasal types: | |||
* strings (T_STR): naStr_gcclean [https://gitorious.org/fg/simgear/blobs/next/simgear/nasal/string.c#line113] | |||
* vectors (T_VEC): naVec_gcclean [https://gitorious.org/fg/simgear/blobs/next/simgear/nasal/vector.c#line22] | |||
* hashes (T_HASH): naiGCHashClean [https://gitorious.org/fg/simgear/blobs/next/simgear/nasal/hash.c#line221] | |||
* code (T_CODE): naCode_gcclean [https://gitorious.org/fg/simgear/blobs/next/simgear/nasal/gc.c#line126] | |||
* ghosts (T_GHOST): naGhost_gcclean [https://gitorious.org/fg/simgear/blobs/next/simgear/nasal/gc.c#line131] | |||
} | |||
= Contexts = | = Contexts = | ||