stl_helpers.hh (7455:586f99bf0dc4) stl_helpers.hh (7811:a8fc35183c10)
1/*
2 * Copyright (c) 2010 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#ifndef __BASE_STL_HELPERS_HH__
32#define __BASE_STL_HELPERS_HH__
33
34#include <algorithm>
35#include <iostream>
36
37namespace m5 {
38namespace stl_helpers {
39
40template <typename T>
41void
42deletePointer(T &ptr)
43{
44 delete ptr;
45 ptr = NULL;
46}
47
48template <class T>
49class ContainerPrint
50{
51 private:
52 std::ostream &out;
53 bool first;
54
55 public:
56 ContainerPrint(std::ostream &out)
57 : out(out), first(true)
58 {}
59
60 void
61 operator()(const T &elem)
62 {
63 // First one doesn't get a space before it. The rest do.
64 if (first)
65 first = false;
66 else
67 out << " ";
68
69 out << elem;
70 }
71};
72
73// Treat all objects in an stl container as pointers to heap objects,
74// calling delete on each one and zeroing the pointers along the way
75template <typename T, template <typename T, typename A> class C, typename A>
76void
77deletePointers(C<T,A> &container)
78{
79 std::for_each(container.begin(), container.end(), deletePointer<T>);
80}
81
82// Write out all elements in an stl container as a space separated
83// list enclosed in square brackets
84template <typename T, template <typename T, typename A> class C, typename A>
85std::ostream &
86operator<<(std::ostream& out, const C<T,A> &vec)
87{
88 out << "[ ";
89 std::for_each(vec.begin(), vec.end(), ContainerPrint<T>(out));
90 out << " ]";
91 out << std::flush;
92 return out;
93}
94
1/*
2 * Copyright (c) 2010 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#ifndef __BASE_STL_HELPERS_HH__
32#define __BASE_STL_HELPERS_HH__
33
34#include <algorithm>
35#include <iostream>
36
37namespace m5 {
38namespace stl_helpers {
39
40template <typename T>
41void
42deletePointer(T &ptr)
43{
44 delete ptr;
45 ptr = NULL;
46}
47
48template <class T>
49class ContainerPrint
50{
51 private:
52 std::ostream &out;
53 bool first;
54
55 public:
56 ContainerPrint(std::ostream &out)
57 : out(out), first(true)
58 {}
59
60 void
61 operator()(const T &elem)
62 {
63 // First one doesn't get a space before it. The rest do.
64 if (first)
65 first = false;
66 else
67 out << " ";
68
69 out << elem;
70 }
71};
72
73// Treat all objects in an stl container as pointers to heap objects,
74// calling delete on each one and zeroing the pointers along the way
75template <typename T, template <typename T, typename A> class C, typename A>
76void
77deletePointers(C<T,A> &container)
78{
79 std::for_each(container.begin(), container.end(), deletePointer<T>);
80}
81
82// Write out all elements in an stl container as a space separated
83// list enclosed in square brackets
84template <typename T, template <typename T, typename A> class C, typename A>
85std::ostream &
86operator<<(std::ostream& out, const C<T,A> &vec)
87{
88 out << "[ ";
89 std::for_each(vec.begin(), vec.end(), ContainerPrint<T>(out));
90 out << " ]";
91 out << std::flush;
92 return out;
93}
94
95/* namespace stl_helpers */ }
96/* namespace m5 */ }
95} // namespace stl_helpers
96} // namespace m5
97
98#endif // __BASE_STL_HELPERS_HH__
97
98#endif // __BASE_STL_HELPERS_HH__