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Add struct-ref/unboxed, struct-set!/unboxed

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* NEWS: Add news entry.
* doc/ref/api-data.texi (Vtables, Structure Basics): Update
  documentation.
* libguile/struct.c (scm_i_struct_equalp): Avoid using struct-ref on
  unboxed fields.
  (scm_struct_ref, scm_struct_set_x_unboxed): Issue deprecation warning
  when accessing unboxed fields.
  (scm_struct_ref_unboxed, scm_struct_set_x_unboxed): New functions.
* libguile/struct.h (scm_struct_ref_unboxed, scm_struct_set_x_unboxed):
  New functions.
* module/oop/goops.scm (class-add-flags!, class-clear-flags!):
  (class-has-flags?, <class>, %allocate-instance, <slot>):
  (compute-get-n-set, unboxed-get, unboxed-set, unboxed-slot?):
  (allocate-slots, %prep-layout!, make-standard-class, initialize):
  Adapt to access unboxed nfields and flags fields via the new
  accessors.
This commit is contained in:
Andy Wingo 2017-09-25 21:33:22 +02:00
parent f23415589a
commit a74d4ee4f6
5 changed files with 198 additions and 47 deletions
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2
libguile/struct.h
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@ -185,6 +185,8 @@ SCM_API SCM scm_make_vtable (SCM fields, SCM printer);
SCM_INTERNAL SCM scm_i_make_vtable_vtable (SCM fields);
SCM_API SCM scm_struct_ref (SCM handle, SCM pos);
SCM_API SCM scm_struct_set_x (SCM handle, SCM pos, SCM val);
SCM_API SCM scm_struct_ref_unboxed (SCM handle, SCM pos);
SCM_API SCM scm_struct_set_x_unboxed (SCM handle, SCM pos, SCM val);
SCM_API SCM scm_struct_vtable (SCM handle);
SCM_API SCM scm_struct_vtable_name (SCM vtable);
SCM_API SCM scm_set_struct_vtable_name_x (SCM vtable, SCM name);