#include "default-platform.h"
+#include <algorithm>
#include <queue>
// TODO(jochen): We should have our own version of checks.h.
namespace internal {
+const int DefaultPlatform::kMaxThreadPoolSize = 4;
+
+
DefaultPlatform::DefaultPlatform()
: initialized_(false), thread_pool_size_(0) {}
ASSERT(thread_pool_size >= 0);
if (thread_pool_size < 1)
thread_pool_size = CPU::NumberOfProcessorsOnline();
- thread_pool_size_ = Max(Min(thread_pool_size, kMaxThreadPoolSize), 1);
+ thread_pool_size_ =
+ std::max(std::min(thread_pool_size, kMaxThreadPoolSize), 1);
}
Task *task) V8_OVERRIDE;
private:
- static const int kMaxThreadPoolSize = 4;
+ static const int kMaxThreadPoolSize;
Mutex lock_;
bool initialized_;
#include "platform/mutex.h"
#include "platform/semaphore.h"
-#include "utils.h"
+#include "vector.h"
#include "v8globals.h"
#ifdef __sun
#include <limits.h>
#include <stdlib.h>
#include <string.h>
-#include <algorithm>
#include "allocation.h"
#include "checks.h"
#include "globals.h"
+#include "platform.h"
+#include "vector.h"
namespace v8 {
namespace internal {
}
-inline int StrLength(const char* string) {
- size_t length = strlen(string);
- ASSERT(length == static_cast<size_t>(static_cast<int>(length)));
- return static_cast<int>(length);
-}
-
-
// TODO(svenpanne) Clean up the whole power-of-2 mess.
inline int32_t WhichPowerOf2Abs(int32_t x) {
return (x == kMinInt) ? 31 : WhichPowerOf2(Abs(x));
};
-template <typename T>
-class Vector {
- public:
- Vector() : start_(NULL), length_(0) {}
- Vector(T* data, int length) : start_(data), length_(length) {
- ASSERT(length == 0 || (length > 0 && data != NULL));
- }
-
- static Vector<T> New(int length) {
- return Vector<T>(NewArray<T>(length), length);
- }
-
- // Returns a vector using the same backing storage as this one,
- // spanning from and including 'from', to but not including 'to'.
- Vector<T> SubVector(int from, int to) {
- SLOW_ASSERT(to <= length_);
- SLOW_ASSERT(from < to);
- ASSERT(0 <= from);
- return Vector<T>(start() + from, to - from);
- }
-
- // Returns the length of the vector.
- int length() const { return length_; }
-
- // Returns whether or not the vector is empty.
- bool is_empty() const { return length_ == 0; }
-
- // Returns the pointer to the start of the data in the vector.
- T* start() const { return start_; }
-
- // Access individual vector elements - checks bounds in debug mode.
- T& operator[](int index) const {
- ASSERT(0 <= index && index < length_);
- return start_[index];
- }
-
- const T& at(int index) const { return operator[](index); }
-
- T& first() { return start_[0]; }
-
- T& last() { return start_[length_ - 1]; }
-
- // Returns a clone of this vector with a new backing store.
- Vector<T> Clone() const {
- T* result = NewArray<T>(length_);
- for (int i = 0; i < length_; i++) result[i] = start_[i];
- return Vector<T>(result, length_);
- }
-
- void Sort(int (*cmp)(const T*, const T*)) {
- std::sort(start(), start() + length(), RawComparer(cmp));
- }
-
- void Sort() {
- std::sort(start(), start() + length());
- }
-
- void Truncate(int length) {
- ASSERT(length <= length_);
- length_ = length;
- }
-
- // Releases the array underlying this vector. Once disposed the
- // vector is empty.
- void Dispose() {
- DeleteArray(start_);
- start_ = NULL;
- length_ = 0;
- }
-
- inline Vector<T> operator+(int offset) {
- ASSERT(offset < length_);
- return Vector<T>(start_ + offset, length_ - offset);
- }
-
- // Factory method for creating empty vectors.
- static Vector<T> empty() { return Vector<T>(NULL, 0); }
-
- template<typename S>
- static Vector<T> cast(Vector<S> input) {
- return Vector<T>(reinterpret_cast<T*>(input.start()),
- input.length() * sizeof(S) / sizeof(T));
- }
-
- protected:
- void set_start(T* start) { start_ = start; }
-
- private:
- T* start_;
- int length_;
-
- class RawComparer {
- public:
- explicit RawComparer(int (*cmp)(const T*, const T*)) : cmp_(cmp) {}
- bool operator()(const T& a, const T& b) {
- return cmp_(&a, &b) < 0;
- }
-
- private:
- int (*cmp_)(const T*, const T*);
- };
-};
-
-
// A pointer that can only be set once and doesn't allow NULL values.
template<typename T>
class SetOncePointer {
// When copying, make underlying Vector to reference our buffer.
EmbeddedVector(const EmbeddedVector& rhs)
: Vector<T>(rhs) {
- // TODO(jkummerow): Refactor #includes and use OS::MemCopy() instead.
- memcpy(buffer_, rhs.buffer_, sizeof(T) * kSize);
+ OS::MemCopy(buffer_, rhs.buffer_, sizeof(T) * kSize);
set_start(buffer_);
}
EmbeddedVector& operator=(const EmbeddedVector& rhs) {
if (this == &rhs) return *this;
Vector<T>::operator=(rhs);
- // TODO(jkummerow): Refactor #includes and use OS::MemCopy() instead.
- memcpy(buffer_, rhs.buffer_, sizeof(T) * kSize);
+ OS::MemCopy(buffer_, rhs.buffer_, sizeof(T) * kSize);
this->set_start(buffer_);
return *this;
}
};
-template <typename T>
-class ScopedVector : public Vector<T> {
- public:
- explicit ScopedVector(int length) : Vector<T>(NewArray<T>(length), length) { }
- ~ScopedVector() {
- DeleteArray(this->start());
- }
-
- private:
- DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedVector);
-};
-
-#define STATIC_ASCII_VECTOR(x) \
- v8::internal::Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(x), \
- ARRAY_SIZE(x)-1)
-
-inline Vector<const char> CStrVector(const char* data) {
- return Vector<const char>(data, StrLength(data));
-}
-
-inline Vector<const uint8_t> OneByteVector(const char* data, int length) {
- return Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(data), length);
-}
-
-inline Vector<const uint8_t> OneByteVector(const char* data) {
- return OneByteVector(data, StrLength(data));
-}
-
-inline Vector<char> MutableCStrVector(char* data) {
- return Vector<char>(data, StrLength(data));
-}
-
-inline Vector<char> MutableCStrVector(char* data, int max) {
- int length = StrLength(data);
- return Vector<char>(data, (length < max) ? length : max);
-}
-
-
/*
* A class that collects values into a backing store.
* Specialized versions of the class can allow access to the backing store
INLINE(static Dest cast(const Source& source)) {
Dest dest;
- // TODO(jkummerow): Refactor #includes and use OS::MemCopy() instead.
memcpy(&dest, &source, sizeof(dest));
return dest;
}
--- /dev/null
+// Copyright 2014 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.
+
+#ifndef V8_VECTOR_H_
+#define V8_VECTOR_H_
+
+#include <string.h>
+#include <algorithm>
+
+#include "allocation.h"
+#include "checks.h"
+#include "globals.h"
+
+namespace v8 {
+namespace internal {
+
+
+template <typename T>
+class Vector {
+ public:
+ Vector() : start_(NULL), length_(0) {}
+ Vector(T* data, int length) : start_(data), length_(length) {
+ ASSERT(length == 0 || (length > 0 && data != NULL));
+ }
+
+ static Vector<T> New(int length) {
+ return Vector<T>(NewArray<T>(length), length);
+ }
+
+ // Returns a vector using the same backing storage as this one,
+ // spanning from and including 'from', to but not including 'to'.
+ Vector<T> SubVector(int from, int to) {
+ SLOW_ASSERT(to <= length_);
+ SLOW_ASSERT(from < to);
+ ASSERT(0 <= from);
+ return Vector<T>(start() + from, to - from);
+ }
+
+ // Returns the length of the vector.
+ int length() const { return length_; }
+
+ // Returns whether or not the vector is empty.
+ bool is_empty() const { return length_ == 0; }
+
+ // Returns the pointer to the start of the data in the vector.
+ T* start() const { return start_; }
+
+ // Access individual vector elements - checks bounds in debug mode.
+ T& operator[](int index) const {
+ ASSERT(0 <= index && index < length_);
+ return start_[index];
+ }
+
+ const T& at(int index) const { return operator[](index); }
+
+ T& first() { return start_[0]; }
+
+ T& last() { return start_[length_ - 1]; }
+
+ // Returns a clone of this vector with a new backing store.
+ Vector<T> Clone() const {
+ T* result = NewArray<T>(length_);
+ for (int i = 0; i < length_; i++) result[i] = start_[i];
+ return Vector<T>(result, length_);
+ }
+
+ void Sort(int (*cmp)(const T*, const T*)) {
+ std::sort(start(), start() + length(), RawComparer(cmp));
+ }
+
+ void Sort() {
+ std::sort(start(), start() + length());
+ }
+
+ void Truncate(int length) {
+ ASSERT(length <= length_);
+ length_ = length;
+ }
+
+ // Releases the array underlying this vector. Once disposed the
+ // vector is empty.
+ void Dispose() {
+ DeleteArray(start_);
+ start_ = NULL;
+ length_ = 0;
+ }
+
+ inline Vector<T> operator+(int offset) {
+ ASSERT(offset < length_);
+ return Vector<T>(start_ + offset, length_ - offset);
+ }
+
+ // Factory method for creating empty vectors.
+ static Vector<T> empty() { return Vector<T>(NULL, 0); }
+
+ template<typename S>
+ static Vector<T> cast(Vector<S> input) {
+ return Vector<T>(reinterpret_cast<T*>(input.start()),
+ input.length() * sizeof(S) / sizeof(T));
+ }
+
+ protected:
+ void set_start(T* start) { start_ = start; }
+
+ private:
+ T* start_;
+ int length_;
+
+ class RawComparer {
+ public:
+ explicit RawComparer(int (*cmp)(const T*, const T*)) : cmp_(cmp) {}
+ bool operator()(const T& a, const T& b) {
+ return cmp_(&a, &b) < 0;
+ }
+
+ private:
+ int (*cmp_)(const T*, const T*);
+ };
+};
+
+
+template <typename T>
+class ScopedVector : public Vector<T> {
+ public:
+ explicit ScopedVector(int length) : Vector<T>(NewArray<T>(length), length) { }
+ ~ScopedVector() {
+ DeleteArray(this->start());
+ }
+
+ private:
+ DISALLOW_IMPLICIT_CONSTRUCTORS(ScopedVector);
+};
+
+
+inline int StrLength(const char* string) {
+ size_t length = strlen(string);
+ ASSERT(length == static_cast<size_t>(static_cast<int>(length)));
+ return static_cast<int>(length);
+}
+
+
+#define STATIC_ASCII_VECTOR(x) \
+ v8::internal::Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(x), \
+ ARRAY_SIZE(x)-1)
+
+inline Vector<const char> CStrVector(const char* data) {
+ return Vector<const char>(data, StrLength(data));
+}
+
+inline Vector<const uint8_t> OneByteVector(const char* data, int length) {
+ return Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(data), length);
+}
+
+inline Vector<const uint8_t> OneByteVector(const char* data) {
+ return OneByteVector(data, StrLength(data));
+}
+
+inline Vector<char> MutableCStrVector(char* data) {
+ return Vector<char>(data, StrLength(data));
+}
+
+inline Vector<char> MutableCStrVector(char* data, int max) {
+ int length = StrLength(data);
+ return Vector<char>(data, (length < max) ? length : max);
+}
+
+
+} } // namespace v8::internal
+
+#endif // V8_VECTOR_H_
'../../src/v8utils.h',
'../../src/variables.cc',
'../../src/variables.h',
+ '../../src/vector.h',
'../../src/version.cc',
'../../src/version.h',
'../../src/vm-state-inl.h',