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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
a5544970 | 3 | // Copyright (C) 2005-2019 Free Software Foundation, Inc. |
4569a895 AT |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the terms | |
7 | // of the GNU General Public License as published by the Free Software | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
9 | // version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, but | |
12 | // WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | // General Public License for more details. | |
15 | ||
748086b7 JJ |
16 | // Under Section 7 of GPL version 3, you are granted additional |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
4569a895 | 19 | |
748086b7 JJ |
20 | // You should have received a copy of the GNU General Public License and |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
4569a895 AT |
24 | |
25 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
26 | ||
27 | // Permission to use, copy, modify, sell, and distribute this software | |
28 | // is hereby granted without fee, provided that the above copyright | |
29 | // notice appears in all copies, and that both that copyright notice | |
30 | // and this permission notice appear in supporting documentation. None | |
31 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
32 | // representation about the suitability of this software for any | |
33 | // purpose. It is provided "as is" without express or implied | |
34 | // warranty. | |
35 | ||
36 | /** | |
a345e45d | 37 | * @file thin_heap_/split_join_fn_imps.hpp |
4569a895 AT |
38 | * Contains an implementation for thin_heap_. |
39 | */ | |
40 | ||
574dfb67 JW |
41 | #ifdef PB_DS_CLASS_C_DEC |
42 | ||
4569a895 AT |
43 | PB_DS_CLASS_T_DEC |
44 | template<typename Pred> | |
45 | void | |
46 | PB_DS_CLASS_C_DEC:: | |
47 | split(Pred pred, PB_DS_CLASS_C_DEC& other) | |
48 | { | |
f5886803 FD |
49 | PB_DS_ASSERT_VALID((*this)) |
50 | PB_DS_ASSERT_VALID(other) | |
4569a895 | 51 | |
f5886803 | 52 | other.clear(); |
4569a895 AT |
53 | if (base_type::empty()) |
54 | { | |
f5886803 FD |
55 | PB_DS_ASSERT_VALID((*this)) |
56 | PB_DS_ASSERT_VALID(other) | |
f5886803 | 57 | return; |
4569a895 AT |
58 | } |
59 | ||
60 | base_type::to_linked_list(); | |
4569a895 AT |
61 | node_pointer p_out = base_type::prune(pred); |
62 | ||
8fc81078 | 63 | while (p_out != 0) |
4569a895 | 64 | { |
47bea7b8 | 65 | _GLIBCXX_DEBUG_ASSERT(base_type::m_size > 0); |
4569a895 | 66 | --base_type::m_size; |
4569a895 | 67 | ++other.m_size; |
4569a895 | 68 | node_pointer p_next = p_out->m_p_next_sibling; |
4569a895 | 69 | other.make_root_and_link(p_out); |
4569a895 AT |
70 | p_out = p_next; |
71 | } | |
72 | ||
f5886803 | 73 | PB_DS_ASSERT_VALID(other) |
f5886803 | 74 | node_pointer p_cur = base_type::m_p_root; |
8fc81078 | 75 | m_p_max = 0; |
8fc81078 | 76 | base_type::m_p_root = 0; |
8fc81078 | 77 | while (p_cur != 0) |
4569a895 AT |
78 | { |
79 | node_pointer p_next = p_cur->m_p_next_sibling; | |
4569a895 | 80 | make_root_and_link(p_cur); |
4569a895 AT |
81 | p_cur = p_next; |
82 | } | |
83 | ||
f5886803 FD |
84 | PB_DS_ASSERT_VALID((*this)) |
85 | PB_DS_ASSERT_VALID(other) | |
86 | } | |
4569a895 AT |
87 | |
88 | PB_DS_CLASS_T_DEC | |
89 | inline void | |
90 | PB_DS_CLASS_C_DEC:: | |
91 | join(PB_DS_CLASS_C_DEC& other) | |
92 | { | |
f5886803 FD |
93 | PB_DS_ASSERT_VALID((*this)) |
94 | PB_DS_ASSERT_VALID(other) | |
4569a895 | 95 | |
f5886803 | 96 | node_pointer p_other = other.m_p_root; |
8fc81078 | 97 | while (p_other != 0) |
4569a895 AT |
98 | { |
99 | node_pointer p_next = p_other->m_p_next_sibling; | |
4569a895 | 100 | make_root_and_link(p_other); |
4569a895 AT |
101 | p_other = p_next; |
102 | } | |
4569a895 | 103 | base_type::m_size += other.m_size; |
8fc81078 | 104 | other.m_p_root = 0; |
4569a895 | 105 | other.m_size = 0; |
8fc81078 | 106 | other.m_p_max = 0; |
4569a895 | 107 | |
f5886803 FD |
108 | PB_DS_ASSERT_VALID((*this)) |
109 | PB_DS_ASSERT_VALID(other) | |
110 | } | |
574dfb67 | 111 | #endif |