Fix addressing via get_by_ref()

 - New: unlimited depth of references
 - Changed: internal token and introduced sub-token
 - No optimization yet
 - Fixes #399

 Original commit, 722fba3, authored by
 @vehre, split into white space changes (previous commit) and substantive
 changes (this commit) by @zbeekman

Author: vehre

CMakeLists.txt

@@ -547,6 +547,9 @@ if(opencoarrays_aware_compiler)
     add_mpi_test(register_alloc_comp_2 2 ${tests_root}/unit/init_register/register_alloc_comp_2)
     add_mpi_test(register_alloc_comp_3 2 ${tests_root}/unit/init_register/register_alloc_comp_3)
     add_mpi_test(async_comp_alloc 6 ${tests_root}/unit/init_register/async_comp_alloc)
+    add_mpi_test(async_comp_alloc_2 2 ${tests_root}/unit/init_register/async_comp_alloc_2)
+    add_mpi_test(comp_allocated_1 2 ${tests_root}/unit/init_register/comp_allocated_1)
+    add_mpi_test(comp_allocated_2 2 ${tests_root}/unit/init_register/comp_allocated_2)
   endif()
   add_mpi_test(get_array 2 ${tests_root}/unit/send-get/get_array)
   add_mpi_test(get_self 2 ${tests_root}/unit/send-get/get_self)

src/libcaf.h

@@ -94,14 +94,6 @@ typedef void* caf_token_t;
 typedef void * caf_team_t;
 #endif
 
-/* Linked list of static coarrays registered.  */
-typedef struct caf_static_t {
-  caf_token_t token;
-  caf_token_t stopped_token;
-  struct caf_static_t *prev;
-}
-caf_static_t;
-
 /* When there is a vector subscript in this dimension, nvec == 0, otherwise,
    lower_bound, upper_bound, stride contains the bounds relative to the declared
    bounds; kind denotes the integer kind of the elements of vector[].  */