compiler: start work on binary expressions & stuff

Reviewed-on: #7
Co-authored-by: tema5002 <tema5002@tuta.io>
Co-committed-by: tema5002 <tema5002@tuta.io>

src/vm.c

@@ -13,6 +13,47 @@ noomV_Object *noomV_allocObj(noom_LuaVM *vm, noomV_ObjTag tag, noom_uint_t size)
 	return o;
 }
 
+noomV_String *noomV_allocStr(noom_LuaVM *vm, const char *str, noom_uint_t len) {
+	noomV_String *s = (noomV_String*)noomV_allocObj(vm, NOOMV_OSTR, sizeof(noomV_String) + len + 1);
+	if (s == 0) return 0;
+	noom_memcpy(s->data, str, len);
+	s->data[len] = '\0';
+	return s;
+}
+
+noomV_Function *noomV_allocFunc(noom_LuaVM *vm, const char *str, noom_uint_t len) {
+	noomV_Function *f = (noomV_Function*)noomV_allocObj(vm, NOOMV_OFUNC, sizeof(noomV_Function));
+	if (f == 0) return 0;
+	f->chunkname = noomV_allocStr(vm, str, len);
+	if (f->chunkname == 0) return 0;
+	f->code = 0;
+	f->consts = 0;
+	f->protos = 0;
+	f->upvals = 0;
+	f->locals = 0;
+	f->codesize = 0;
+	f->linedefined = 0;
+	f->lastlinedefined = 0;
+	f->argc = 0;
+	f->flags = 0;
+	f->constsize = 0;
+	f->protosize = 0;
+	f->upvalsize = 0;
+	f->localsize = 0;
+	return f;
+}
+
+noomV_Table *noomV_allocTable(noom_LuaVM *vm) {
+	noomV_Table *t = (noomV_Table *)noomV_allocObj(vm, NOOMV_OTABLE, sizeof(noomV_Table));
+	if (t == 0) return 0;
+	t->meta = 0;
+	t->entries = 0;
+	t->used = 0;
+	t->len = 0;
+	t->entrydata = 0;
+	return t;
+}
+
 void noomV_freeObj(noomV_Object *obj) {
 	noom_free(obj);
 }