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/* Some commonly-used VEC types.
Copyright (C) 2012-2020 Free Software Foundation, Inc.
This file is part of GDB.
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_GDB_VECS_H
#define COMMON_GDB_VECS_H
/* Split STR, a list of DELIMITER-separated fields, into a char pointer vector.
You may modify the returned strings. */
extern std::vector<gdb::unique_xmalloc_ptr<char>>
delim_string_to_char_ptr_vec (const char *str, char delimiter);
/* Like dirnames_to_char_ptr_vec, but append the directories to *VECP. */
extern void dirnames_to_char_ptr_vec_append
(std::vector<gdb::unique_xmalloc_ptr<char>> *vecp, const char *dirnames);
/* Split DIRNAMES by DIRNAME_SEPARATOR delimiter and return a list of all the
elements in their original order. For empty string ("") DIRNAMES return
list of one empty string ("") element.
You may modify the returned strings. */
extern std::vector<gdb::unique_xmalloc_ptr<char>>
dirnames_to_char_ptr_vec (const char *dirnames);
/* Remove the element pointed by iterator IT from VEC, not preserving the order
of the remaining elements. Return the removed element. */
template <typename T>
T
unordered_remove (std::vector<T> &vec, typename std::vector<T>::iterator it)
{
gdb_assert (it >= vec.begin () && it < vec.end ());
T removed = std::move (*it);
if (it != vec.end () - 1)
*it = std::move (vec.back ());
vec.pop_back ();
return removed;
}
/* Remove the element at position IX from VEC, not preserving the order of the
remaining elements. Return the removed element. */
template <typename T>
T
unordered_remove (std::vector<T> &vec, typename std::vector<T>::size_type ix)
{
gdb_assert (ix < vec.size ());
return unordered_remove (vec, vec.begin () + ix);
}
/* Remove the element at position IX from VEC, preserving the order the
remaining elements. Return the removed element. */
template <typename T>
T
ordered_remove (std::vector<T> &vec, typename std::vector<T>::size_type ix)
{
gdb_assert (ix < vec.size ());
T removed = std::move (vec[ix]);
vec.erase (vec.begin () + ix);
return removed;
}
#endif /* COMMON_GDB_VECS_H */
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