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[Guile-commits] GNU Guile branch, wip-retagging, created. v2.1.0-27-g621

From: Andy Wingo
Subject: [Guile-commits] GNU Guile branch, wip-retagging, created. v2.1.0-27-g62134ca
Date: Tue, 15 Jan 2013 18:13:51 +0000

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU Guile".

The branch, wip-retagging has been created
        at  62134ca5e941e5dacd953e2c7aea75090a9fd5ee (commit)

- Log -----------------------------------------------------------------
commit 62134ca5e941e5dacd953e2c7aea75090a9fd5ee
Author: Andy Wingo <address@hidden>
Date:   Mon Oct 24 18:45:41 2011 +0200

    squirrely smob marking refactor
    * libguile/smob.c (smob_mark): No idea what the right thing is to do

commit 2fe300ae8d286e5c8e641dd08675d0a73c472b48
Author: Andy Wingo <address@hidden>
Date:   Tue Jan 15 19:11:24 2013 +0100

    remove scm_is_pair gcc hack
    * libguile/pairs.h (scm_is_pair): Remove the (crufty!) GCC workaround,
      as we no longer check the heap to see if something is a pair.

commit b071ce21474796c8a8b23599e67db88bd4716a76
Author: Andy Wingo <address@hidden>
Date:   Tue Jan 15 19:03:18 2013 +0100

    redo the SCM tagging strategy
    Currently failing some guardian tests.
    * libguile/tags.h: Refactor tagging so that tc3 bits for a pair live in
      the SCM value, not in the heap words.  Do the same for structs.  This
      more rational tagging strategy will make native code generation
      easier.  Note that this means that to check a heap pointer for its
      type, you first have to ensure that it has the expected tc3, as not
      all the type bits are on the heap.
      (SCM_TYP3): Check the SCM tag type, not the bits in the cell.
      (SCM_HAS_TYP3): New helper.
      (SCM_I_CONSP): Redefine to just check the typ3.
      (scm_tcs_cons_imcar, scm_tcs_cons_nimcar, scm_tcs_struct): Remove, as
      they are no longer necessary.
    * libguile/array-handle.c (scm_i_array_implementation_for_obj): Check
      for heap objects before checking type bits, so we don't check pairs.
    * libguile/evalext.c (scm_self_evaluating_p):
    * libguile/gc.c (scm_i_tag_name):
    * libguile/goops.c (scm_class_of)
    * libguile/hash.c (scm_hasher):
    * libguile/print.c (iprin1): Adapt to tagging changes.
    * libguile/gc.c (scm_storage_prehistory): Register all displacements
      here.  There are the same displacements as before, unfortunately.
    * libguile/list.c (SCM_I_CONS):
    * libguile/pairs.c (scm_cons):
    * libguile/pairs.h (scm_is_pair):
    * libguile/vm-engine.h (CONS): Tag pairs with scm_tc3_pair.
    * libguile/modules.c (scm_post_boot_init_modules):
    * libguile/modules.h (SCM_MODULEP):
    * libguile/struct.c (struct_finalizer_trampoline, scm_i_alloc_struct):
    * libguile/struct.h (SCM_STRUCTP, SCM_STRUCT_VTABLE_DATA):
    * libguile/vm-i-scheme.c (make-struct): Adapt to struct tagging
    * libguile/numbers.h (SCM_I_INUMP):
    * module/rnrs/arithmetic/fixnums.scm (fixnum?, inline-fixnum?): Adapt
      to the new fixnum tag.
    * libguile/numbers.h (SCM_INEXACTP): Make sure of the tc3 before looking
      at the cell type.

commit 03daea184e59235e5fc34750746332aaccb49f5d
Author: Andy Wingo <address@hidden>
Date:   Tue Jan 15 18:29:59 2013 +0100

    * libguile/tags.h (SCM_HEAP_OBJECT_BASE): New macro.  Given a SCM,
      returns a pointer to the start of its memory area on the heap.
    * libguile/bytevectors.c:
    * libguile/fluids.c:
    * libguile/foreign.c:
    * libguile/gc.h:
    * libguile/guardians.c:
    * libguile/numbers.h:
    * libguile/ports.c:
    * libguile/smob.c:
    * libguile/struct.c:
    * libguile/weak-set.c:
    * libguile/weak-table.c:
    * libguile/weak-vector.c: Use it.


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