dwz/iterators.h

127 lines
3.4 KiB
C

/* Various iterators.
Copyright (C) 2019 SUSE LLC.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
/* CU iterators. */
#define FOREACH_CU(CU) \
for (CU = first_cu; CU; CU = CU->cu_next)
#define FOREACH_CU_PU(CU) \
for (CU = first_cu; CU && CU->cu_kind == CU_PU; CU = CU->cu_next)
#define FOREACH_CU_NORMAL(CU) \
for (CU = first_cu; CU && CU->cu_kind != CU_TYPES; CU = CU->cu_next) \
if (CU->cu_kind == CU_NORMAL)
#define FOREACH_CU_TYPES(CU) \
for (CU = first_cu; CU; CU = CU->cu_next) \
if (CU->cu_kind == CU_TYPES) \
/* Function that describes a depth-first traversal path visiting all dies. */
static inline dw_die_ref FORCE_INLINE
next_die (dw_die_ref die)
{
if (die->die_child != NULL)
return die->die_child;
while (1)
{
if (die->die_sib != NULL)
return die->die_sib;
if (die->die_root)
return NULL;
die = die->die_parent;
}
}
/* Function that describes a depth-first traversal path visiting all toplevel
dies. */
static inline dw_die_ref FORCE_INLINE
next_toplevel_die (dw_die_ref die)
{
if (die->die_child != NULL && die->die_child->die_toplevel)
return die->die_child;
while (1)
{
if (die->die_sib != NULL && die->die_sib->die_toplevel)
return die->die_sib;
if (die->die_root)
return NULL;
die = die->die_parent;
}
}
/* DIE_IN_CU iterators. */
#define FOREACH_DIE_IN_CU(DIE, CU) \
for (DIE = CU->cu_die; DIE; DIE = next_die (DIE))
#define FOREACH_TOPLEVEL_DIE_IN_CU(DIE, CU) \
for (DIE = CU->cu_die; DIE; DIE = next_toplevel_die (DIE))
#define FOREACH_LOW_TOPLEVEL_DIE_IN_CU(DIE, CU) \
FOREACH_TOPLEVEL_DIE_IN_CU (DIE, CU) \
if (!(die->die_root || die->die_named_namespace))
/* DIE iterators. */
#define FOREACH_DIE(CU, DIE) \
FOREACH_CU (CU) \
FOREACH_DIE_IN_CU (DIE, CU)
#define FOREACH_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU (CU) \
FOREACH_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_LOW_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU (CU) \
FOREACH_LOW_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_CU_PU_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU_PU (CU) \
FOREACH_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_CU_NORMAL_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU_NORMAL (CU) \
FOREACH_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_CU_TYPES_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU_TYPES (CU) \
FOREACH_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_CU_PU_LOW_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU_PU (CU) \
FOREACH_LOW_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_CU_NORMAL_LOW_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU_NORMAL (CU) \
FOREACH_LOW_TOPLEVEL_DIE_IN_CU (DIE, CU)
#define FOREACH_CU_TYPES_LOW_TOPLEVEL_DIE(CU, DIE) \
FOREACH_CU_TYPES (CU) \
FOREACH_LOW_TOPLEVEL_DIE_IN_CU (DIE, CU)