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author | Nathan Binkert <nate@binkert.org> | 2010-06-10 23:17:07 -0700 |
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committer | Nathan Binkert <nate@binkert.org> | 2010-06-10 23:17:07 -0700 |
commit | 006818aeea6176c4500c5f7414e9f2a822c77062 (patch) | |
tree | 74adbd6cc14951943bd6eafc4aba2fb98be7a526 /src/mem/gems_common/Vector.hh | |
parent | bc87fa30d72df7db6265be50b2c39dc218076f9f (diff) | |
download | gem5-006818aeea6176c4500c5f7414e9f2a822c77062.tar.xz |
ruby: get rid of Vector and use STL
add a couple of helper functions to base for deleteing all pointers in
a container and outputting containers to a stream
Diffstat (limited to 'src/mem/gems_common/Vector.hh')
-rw-r--r-- | src/mem/gems_common/Vector.hh | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/src/mem/gems_common/Vector.hh b/src/mem/gems_common/Vector.hh deleted file mode 100644 index ddba7a2fc..000000000 --- a/src/mem/gems_common/Vector.hh +++ /dev/null @@ -1,337 +0,0 @@ -/* - * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * Description: The Vector class is a generic container which acts - * much like an array. The Vector class handles dynamic sizing and - * resizing as well as performing bounds checking on each access. An - * "insertAtBottom" operation is supported to allow adding elements to - * the Vector much like you would add new elements to a linked list or - * queue. - */ - -#ifndef VECTOR_H -#define VECTOR_H - -#include <algorithm> -#include <cassert> -#include <iostream> -#include <vector> - -template <class TYPE> -class Vector -{ -public: - Vector(); - explicit Vector(int initial_size); // Construct with an initial max size - ~Vector(); - const TYPE& ref(int index) const; // Get an element of the vector - TYPE& ref(int index); // Get an element of the vector - void clear(); // remove all elements of the vector - void sortVector(); // sort all elements using < operator - int size() const { return m_size; } - void setSize(int new_size); // Increase size, reallocates memory as needed - void expand(int num) { setSize(m_size+num); } // Increase size by num - void increaseSize(int new_size, const TYPE& reset); // and adds num of slots at the bottom set to reset value - void insertAtTop(const TYPE& element); // Increase size by one and set last element - // FIXME - WARNING: insertAtTop is currently O(n) and needs to be fixed - void insertAtBottom(const TYPE& element); // Increase size by one and set last element - TYPE sum() const; // Uses the += operator to sum all the elements of the vector - void deletePointers(); // Walks the Vector calling delete on all - // elements and sets them to NULL, can only - // be used when the TYPE is a pointer type. - void removeFromTop(int num); // removes elements from top - void print(std::ostream& out) const; - - - // Array Reference operator overloading - const TYPE& operator[](int index) const { return ref(index); } - TYPE& operator[](int index) { return ref(index); } - - // Public copy constructor and assignment operator - Vector(const Vector& vec); - Vector<TYPE>& operator=(const Vector& vec); -private: - - void grow(int new_max_size); // Expands vector to new_max_size - - // Data members - TYPE* m_vec; // Array to hold the elements - int m_size; // Number of elements in use - int m_max_size; // Size of allocated array -}; - -template <class TYPE> -std::ostream& operator<<(std::ostream& out, const Vector<TYPE>& vec); - -// ********************* - -template <class TYPE> -Vector<TYPE>::Vector() -{ - m_size = 0; - m_max_size = 0; - m_vec = NULL; -} - -template <class TYPE> -Vector<TYPE>::Vector(int initial_size) -{ - m_size = 0; - m_max_size = initial_size; - m_vec = NULL; - grow(initial_size); -} - -template <class TYPE> -Vector<TYPE>::~Vector() -{ - delete [] m_vec; -} - -template <class TYPE> -const TYPE& Vector<TYPE>::ref(int index) const -{ -#ifndef NO_VECTOR_BOUNDS_CHECKS - assert(m_size != 0); - assert(index < m_size); - assert(index >= 0); -#endif - return m_vec[index]; -} - -template <class TYPE> -TYPE& Vector<TYPE>::ref(int index) -{ -#ifndef NO_VECTOR_BOUNDS_CHECKS - assert(m_size != 0); - assert(index < m_size); - assert(index >= 0); -#endif - return m_vec[index]; -} - - -template <class TYPE> -void Vector<TYPE>::setSize(int new_size) -{ - // FIXME - this should also decrease or shrink the size of the array at some point. - if (new_size > m_max_size) { - grow(std::max((m_max_size+1)*2, new_size)); - } - m_size = new_size; -#ifndef NO_VECTOR_BOUNDS_CHECKS - assert(m_size <= m_max_size); - assert(m_size >= 0); -#endif -} - -template <class TYPE> -inline -void Vector<TYPE>::increaseSize(int new_size, const TYPE& reset) -{ - assert(new_size >= m_size); - if (new_size >= m_max_size) { - grow(std::max((m_max_size+1)*2, new_size)); - } - int old_size = m_size; - m_size = new_size; - for (int j = old_size; j < m_size; j++) { - ref(j) = reset; - } - -#ifndef NO_VECTOR_BOUNDS_CHECKS - assert(m_size <= m_max_size); - assert(m_size >= 0); -#endif -} - -template <class TYPE> -inline -void Vector<TYPE>::clear() -{ - m_size = 0; - m_max_size = 0; - delete [] m_vec; - m_vec = NULL; -} - -template <class TYPE> -inline -void Vector<TYPE>::sortVector() -{ - std::sort(&m_vec[0], &m_vec[m_size]); -} - -template <class TYPE> -inline -void Vector<TYPE>::insertAtTop(const TYPE& element) -{ - setSize(m_size+1); - for (int i = m_size-1; i >= 1; i--) { - ref(i) = ref(i-1); - } - ref(0) = element; -} - -template <class TYPE> -inline -void Vector<TYPE>::removeFromTop(int num) -{ - if (num > m_size) { - num = m_size; - } - for (int i = 0; i < m_size - num; i++) { - m_vec[i] = m_vec[i+num]; - } - m_size = m_size - num; - -} - -template <class TYPE> -void Vector<TYPE>::insertAtBottom(const TYPE& element) -{ - setSize(m_size+1); - ref(m_size-1) = element; -} - -template <class TYPE> -TYPE Vector<TYPE>::sum() const -{ - assert(m_size > 0); - TYPE sum = ref(0); - for(int i=1; i<m_size; i++) { - sum += ref(i); - } - return sum; -} - -template <class TYPE> -void Vector<TYPE>::deletePointers() -{ - assert(m_size >= 0); - for(int i=0; i<m_size; i++) { - // FIXME this function should be non-member function, otherwise this - // prevent template instantiation for non-pointer types - // - // Also, there is warning of Switch.cc which use void* here - delete ref(i); - ref(i) = NULL; - } -} - -template <class TYPE> -void Vector<TYPE>::print(std::ostream& out) const -{ - out << "[ "; - for(int i=0; i<m_size; i++) { - if (i != 0) { - out << " "; - } - out << ref(i); - } - out << " ]"; - out << std::flush; -} - -// Copy constructor -template <class TYPE> -Vector<TYPE>::Vector(const Vector& vec) -{ - // Setup the new memory - m_size = vec.m_size; - m_max_size = vec.m_max_size; - if (m_max_size != 0) { - m_vec = new TYPE[m_max_size]; - assert(m_vec != NULL); - } else { - m_vec = NULL; - } - - // Copy the elements of the array - for(int i=0; i<m_size; i++) { - m_vec[i] = vec.m_vec[i]; // Element copy - } -} - -template <class TYPE> -Vector<TYPE>& Vector<TYPE>::operator=(const Vector& vec) -{ - if (this == &vec) { - // assert(0); - } else { - // Free the old memory - delete [] m_vec; - - // Setup the new memory - m_size = vec.m_size; - m_max_size = vec.m_max_size; - - if (m_max_size != 0) { - m_vec = new TYPE[m_max_size]; - assert(m_vec != NULL); - } else { - m_vec = NULL; - } - - // Copy the elements of the array - for(int i=0; i<m_size; i++) { - m_vec[i] = vec.m_vec[i]; // Element copy - } - } - return *this; -} - -template <class TYPE> -void Vector<TYPE>::grow(int new_max_size) -{ - TYPE* temp_vec; - m_max_size = new_max_size; - if (new_max_size != 0) { - temp_vec = new TYPE[new_max_size]; - assert(temp_vec != NULL); - } else { - temp_vec = NULL; - } - - // Copy the elements of the array - for(int i=0; i<m_size; i++) { - temp_vec[i] = m_vec[i]; // Element copy - } - delete [] m_vec; - m_vec = temp_vec; -} - -template <class TYPE> -std::ostream& operator<<(std::ostream& out, const Vector<TYPE>& vec) -{ - vec.print(out); - return out; -} - -#endif //VECTOR_H |