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Code Activity

Simplify dynstack API to only wind one fluid at a time

Browse source 
* libguile/dynstack.h (SCM_DYNSTACK_TYPE_WITH_FLUID): Rename from
  with-fluids.
* libguile/dynstack.c (scm_dynstack_push_fluid):
  (scm_dynstack_unwind_fluid): Change API to only wind/unwind one
  fluid binding.
  (WITH_FLUID_WORDS): New define, always 2 words (fluid and value box).
  (WITH_FLUID_FLUID, WITH_FLUID_VALUE_BOX): New macros to get offsets of
  fluid and value box.
  (scm_dynstack_push_rewinder, scm_dynstack_push_unwinder): Use
  WINDER_WORDS.
  (scm_dynstack_push_dynwind): Use DYNWIND_WORDS.
  (scm_dynstack_wind_1): Update for scm_swap_fluid API change.

* libguile/fluids.h:
* libguile/fluids.c (scm_prepare_fluids): Remove; no longer needed.
  (scm_swap_fluid): Update to just swap one fluid binding.
  (scm_c_with_fluids, scm_c_with_fluid): Update to use
  scm_dynstack_push_fluid.

* libguile/memoize.c (do_push_fluid, do_pop_fluid): Adapt to API
  change.
* libguile/vm-engine.c (rtl_vm_engine): Change wind-fluids / unwind-fluids
  to push-fluid / pop-fluid, and actually enable.  Woo!

* libguile/vm-i-system.c (push-fluid, pop-fluid): Update to new API.
This commit is contained in:
Andy Wingo 2013-06-28 20:01:35 +02:00
parent c32b7c4cef
commit 98eaef1b50
7 changed files with 85 additions and 150 deletions
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16
libguile/dynstack.h
View file

@ -3,7 +3,7 @@
#ifndef SCM_DYNSTACK_H
#define SCM_DYNSTACK_H
/* Copyright (C) 2012 Free Software Foundation, Inc.
/* Copyright (C) 2012, 2013 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -79,7 +79,7 @@ typedef enum {
SCM_DYNSTACK_TYPE_FRAME,
SCM_DYNSTACK_TYPE_UNWINDER,
SCM_DYNSTACK_TYPE_REWINDER,
SCM_DYNSTACK_TYPE_WITH_FLUIDS,
SCM_DYNSTACK_TYPE_WITH_FLUID,
SCM_DYNSTACK_TYPE_PROMPT,
SCM_DYNSTACK_TYPE_DYNWIND,
} scm_t_dynstack_item_type;
@ -148,11 +148,9 @@ SCM_INTERNAL void scm_dynstack_push_rewinder (scm_t_dynstack *,
SCM_INTERNAL void scm_dynstack_push_unwinder (scm_t_dynstack *,
scm_t_dynstack_winder_flags,
scm_t_guard, void *);
SCM_INTERNAL void scm_dynstack_push_fluids (scm_t_dynstack *,
size_t,
SCM *fluids,
SCM *values,
SCM dynamic_state);
SCM_INTERNAL void scm_dynstack_push_fluid (scm_t_dynstack *,
SCM fluid, SCM value,
SCM dynamic_state);
SCM_INTERNAL void scm_dynstack_push_prompt (scm_t_dynstack *,
scm_t_dynstack_prompt_flags,
SCM key,
@ -187,8 +185,8 @@ SCM_INTERNAL scm_t_bits* scm_dynstack_unwind_fork (scm_t_dynstack *,
scm_t_dynstack *);
SCM_INTERNAL void scm_dynstack_unwind_frame (scm_t_dynstack *);
SCM_INTERNAL void scm_dynstack_unwind_fluids (scm_t_dynstack *dynstack,
SCM dynamic_state);
SCM_INTERNAL void scm_dynstack_unwind_fluid (scm_t_dynstack *dynstack,
SCM dynamic_state);
SCM_INTERNAL scm_t_bits* scm_dynstack_find_prompt (scm_t_dynstack *, SCM,
scm_t_dynstack_prompt_flags *,