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-rw-r--r--chromium/v8/src/smart-pointers.h74
1 files changed, 27 insertions, 47 deletions
diff --git a/chromium/v8/src/smart-pointers.h b/chromium/v8/src/smart-pointers.h
index 7c35b2aff27..db2206a32f5 100644
--- a/chromium/v8/src/smart-pointers.h
+++ b/chromium/v8/src/smart-pointers.h
@@ -1,29 +1,6 @@
// Copyright 2011 the V8 project authors. 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 Google Inc. 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.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
#ifndef V8_SMART_POINTERS_H_
#define V8_SMART_POINTERS_H_
@@ -36,35 +13,31 @@ template<typename Deallocator, typename T>
class SmartPointerBase {
public:
// Default constructor. Constructs an empty scoped pointer.
- inline SmartPointerBase() : p_(NULL) {}
+ SmartPointerBase() : p_(NULL) {}
// Constructs a scoped pointer from a plain one.
- explicit inline SmartPointerBase(T* ptr) : p_(ptr) {}
+ explicit SmartPointerBase(T* ptr) : p_(ptr) {}
// Copy constructor removes the pointer from the original to avoid double
// freeing.
- inline SmartPointerBase(const SmartPointerBase<Deallocator, T>& rhs)
+ SmartPointerBase(const SmartPointerBase<Deallocator, T>& rhs)
: p_(rhs.p_) {
const_cast<SmartPointerBase<Deallocator, T>&>(rhs).p_ = NULL;
}
- // When the destructor of the scoped pointer is executed the plain pointer
- // is deleted using DeleteArray. This implies that you must allocate with
- // NewArray.
- inline ~SmartPointerBase() { if (p_) Deallocator::Delete(p_); }
+ T* operator->() const { return p_; }
- inline T* operator->() const { return p_; }
+ T& operator*() const { return *p_; }
- // You can get the underlying pointer out with the * operator.
- inline T* operator*() { return p_; }
+ T* get() const { return p_; }
// You can use [n] to index as if it was a plain pointer.
- inline T& operator[](size_t i) {
+ T& operator[](size_t i) {
return p_[i];
}
// You can use [n] to index as if it was a plain pointer.
- const inline T& operator[](size_t i) const {
+ const T& operator[](size_t i) const {
return p_[i];
}
@@ -76,13 +49,14 @@ class SmartPointerBase {
// If you want to take out the plain pointer and don't want it automatically
// deleted then call Detach(). Afterwards, the smart pointer is empty
// (NULL).
- inline T* Detach() {
+ T* Detach() {
T* temp = p_;
p_ = NULL;
return temp;
}
- inline void Reset(T* new_value) {
+ void Reset(T* new_value) {
+ ASSERT(p_ == NULL || p_ != new_value);
if (p_) Deallocator::Delete(p_);
p_ = new_value;
}
@@ -90,7 +64,7 @@ class SmartPointerBase {
// Assignment requires an empty (NULL) SmartArrayPointer as the receiver. Like
// the copy constructor it removes the pointer in the original to avoid
// double freeing.
- inline SmartPointerBase<Deallocator, T>& operator=(
+ SmartPointerBase<Deallocator, T>& operator=(
const SmartPointerBase<Deallocator, T>& rhs) {
ASSERT(is_empty());
T* tmp = rhs.p_; // swap to handle self-assignment
@@ -99,7 +73,13 @@ class SmartPointerBase {
return *this;
}
- inline bool is_empty() { return p_ == NULL; }
+ bool is_empty() const { return p_ == NULL; }
+
+ protected:
+ // When the destructor of the scoped pointer is executed the plain pointer
+ // is deleted using DeleteArray. This implies that you must allocate with
+ // NewArray.
+ ~SmartPointerBase() { if (p_) Deallocator::Delete(p_); }
private:
T* p_;
@@ -119,10 +99,10 @@ struct ArrayDeallocator {
template<typename T>
class SmartArrayPointer: public SmartPointerBase<ArrayDeallocator<T>, T> {
public:
- inline SmartArrayPointer() { }
- explicit inline SmartArrayPointer(T* ptr)
+ SmartArrayPointer() { }
+ explicit SmartArrayPointer(T* ptr)
: SmartPointerBase<ArrayDeallocator<T>, T>(ptr) { }
- inline SmartArrayPointer(const SmartArrayPointer<T>& rhs)
+ SmartArrayPointer(const SmartArrayPointer<T>& rhs)
: SmartPointerBase<ArrayDeallocator<T>, T>(rhs) { }
};
@@ -138,10 +118,10 @@ struct ObjectDeallocator {
template<typename T>
class SmartPointer: public SmartPointerBase<ObjectDeallocator<T>, T> {
public:
- inline SmartPointer() { }
- explicit inline SmartPointer(T* ptr)
+ SmartPointer() { }
+ explicit SmartPointer(T* ptr)
: SmartPointerBase<ObjectDeallocator<T>, T>(ptr) { }
- inline SmartPointer(const SmartPointer<T>& rhs)
+ SmartPointer(const SmartPointer<T>& rhs)
: SmartPointerBase<ObjectDeallocator<T>, T>(rhs) { }
};