-// 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.
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
#ifndef V8_EXECUTION_H_
#define V8_EXECUTION_H_
-#include "allocation.h"
+#include "handles.h"
namespace v8 {
namespace internal {
-
// Flag used to set the interrupt causes.
enum InterruptFlag {
INTERRUPT = 1 << 0,
TERMINATE = 1 << 4,
GC_REQUEST = 1 << 5,
FULL_DEOPT = 1 << 6,
- INSTALL_CODE = 1 << 7
+ INSTALL_CODE = 1 << 7,
+ API_INTERRUPT = 1 << 8,
+ DEOPT_MARKED_ALLOCATION_SITES = 1 << 9
};
-class Isolate;
-
-
-class Execution : public AllStatic {
+class Execution V8_FINAL : public AllStatic {
public:
// Call a function, the caller supplies a receiver and an array
// of arguments. Arguments are Object* type. After function returns,
// and the function called is not in strict mode, receiver is converted to
// an object.
//
- static Handle<Object> Call(Isolate* isolate,
- Handle<Object> callable,
- Handle<Object> receiver,
- int argc,
- Handle<Object> argv[],
- bool* pending_exception,
- bool convert_receiver = false);
+ MUST_USE_RESULT static MaybeHandle<Object> Call(
+ Isolate* isolate,
+ Handle<Object> callable,
+ Handle<Object> receiver,
+ int argc,
+ Handle<Object> argv[],
+ bool convert_receiver = false);
// Construct object from function, the caller supplies an array of
// arguments. Arguments are Object* type. After function returns,
// *pending_exception tells whether the invoke resulted in
// a pending exception.
//
- static Handle<Object> New(Handle<JSFunction> func,
- int argc,
- Handle<Object> argv[],
- bool* pending_exception);
+ MUST_USE_RESULT static MaybeHandle<Object> New(Handle<JSFunction> func,
+ int argc,
+ Handle<Object> argv[]);
// Call a function, just like Call(), but make sure to silently catch
// any thrown exceptions. The return value is either the result of
// calling the function (if caught exception is false) or the exception
// that occurred (if caught exception is true).
- static Handle<Object> TryCall(Handle<JSFunction> func,
- Handle<Object> receiver,
- int argc,
- Handle<Object> argv[],
- bool* caught_exception);
+ static MaybeHandle<Object> TryCall(
+ Handle<JSFunction> func,
+ Handle<Object> receiver,
+ int argc,
+ Handle<Object> argv[],
+ Handle<Object>* exception_out = NULL);
// ECMA-262 9.3
- static Handle<Object> ToNumber(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToNumber(
+ Isolate* isolate, Handle<Object> obj);
// ECMA-262 9.4
- static Handle<Object> ToInteger(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToInteger(
+ Isolate* isolate, Handle<Object> obj);
// ECMA-262 9.5
- static Handle<Object> ToInt32(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToInt32(
+ Isolate* isolate, Handle<Object> obj);
// ECMA-262 9.6
- static Handle<Object> ToUint32(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToUint32(
+ Isolate* isolate, Handle<Object> obj);
// ECMA-262 9.8
- static Handle<Object> ToString(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToString(
+ Isolate* isolate, Handle<Object> obj);
// ECMA-262 9.8
- static Handle<Object> ToDetailString(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToDetailString(
+ Isolate* isolate, Handle<Object> obj);
// ECMA-262 9.9
- static Handle<Object> ToObject(
- Isolate* isolate, Handle<Object> obj, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> ToObject(
+ Isolate* isolate, Handle<Object> obj);
// Create a new date object from 'time'.
- static Handle<Object> NewDate(
- Isolate* isolate, double time, bool* exc);
+ MUST_USE_RESULT static MaybeHandle<Object> NewDate(
+ Isolate* isolate, double time);
// Create a new regular expression object from 'pattern' and 'flags'.
- static Handle<JSRegExp> NewJSRegExp(Handle<String> pattern,
- Handle<String> flags,
- bool* exc);
+ MUST_USE_RESULT static MaybeHandle<JSRegExp> NewJSRegExp(
+ Handle<String> pattern, Handle<String> flags);
// Used to implement [] notation on strings (calls JS code)
static Handle<Object> CharAt(Handle<String> str, uint32_t index);
static Handle<Object> GetFunctionFor();
- static Handle<JSFunction> InstantiateFunction(
- Handle<FunctionTemplateInfo> data, bool* exc);
- static Handle<JSObject> InstantiateObject(Handle<ObjectTemplateInfo> data,
- bool* exc);
- static void ConfigureInstance(Isolate* isolate,
- Handle<Object> instance,
- Handle<Object> data,
- bool* exc);
+ MUST_USE_RESULT static MaybeHandle<JSFunction> InstantiateFunction(
+ Handle<FunctionTemplateInfo> data);
+ MUST_USE_RESULT static MaybeHandle<JSObject> InstantiateObject(
+ Handle<ObjectTemplateInfo> data);
+ MUST_USE_RESULT static MaybeHandle<Object> ConfigureInstance(
+ Isolate* isolate, Handle<Object> instance, Handle<Object> data);
static Handle<String> GetStackTraceLine(Handle<Object> recv,
Handle<JSFunction> fun,
Handle<Object> pos,
Handle<Object> is_global);
-#ifdef ENABLE_DEBUGGER_SUPPORT
+
static Object* DebugBreakHelper(Isolate* isolate);
static void ProcessDebugMessages(Isolate* isolate, bool debug_command_only);
-#endif
// If the stack guard is triggered, but it is not an actual
// stack overflow, then handle the interruption accordingly.
- MUST_USE_RESULT static MaybeObject* HandleStackGuardInterrupt(
- Isolate* isolate);
+ static Object* HandleStackGuardInterrupt(Isolate* isolate);
// Get a function delegate (or undefined) for the given non-function
// object. Used for support calling objects as functions.
static Handle<Object> GetFunctionDelegate(Isolate* isolate,
Handle<Object> object);
- static Handle<Object> TryGetFunctionDelegate(Isolate* isolate,
- Handle<Object> object,
- bool* has_pending_exception);
+ MUST_USE_RESULT static MaybeHandle<Object> TryGetFunctionDelegate(
+ Isolate* isolate,
+ Handle<Object> object);
// Get a function delegate (or undefined) for the given non-function
// object. Used for support calling objects as constructors.
static Handle<Object> GetConstructorDelegate(Isolate* isolate,
Handle<Object> object);
- static Handle<Object> TryGetConstructorDelegate(Isolate* isolate,
- Handle<Object> object,
- bool* has_pending_exception);
+ static MaybeHandle<Object> TryGetConstructorDelegate(Isolate* isolate,
+ Handle<Object> object);
+
+ static void RunMicrotasks(Isolate* isolate);
+ static void EnqueueMicrotask(Isolate* isolate, Handle<Object> microtask);
};
// StackGuard contains the handling of the limits that are used to limit the
// number of nested invocations of JavaScript and the stack size used in each
// invocation.
-class StackGuard {
+class StackGuard V8_FINAL {
public:
// Pass the address beyond which the stack should not grow. The stack
// is assumed to grow downwards.
bool IsTerminateExecution();
void TerminateExecution();
void CancelTerminateExecution();
-#ifdef ENABLE_DEBUGGER_SUPPORT
bool IsDebugBreak();
void DebugBreak();
bool IsDebugCommand();
void DebugCommand();
-#endif
bool IsGCRequest();
void RequestGC();
bool IsInstallCodeRequest();
void RequestInstallCode();
bool IsFullDeopt();
void FullDeopt();
+ bool IsDeoptMarkedAllocationSites();
+ void DeoptMarkedAllocationSites();
void Continue(InterruptFlag after_what);
+ void RequestInterrupt(InterruptCallback callback, void* data);
+ void ClearInterrupt();
+ bool IsAPIInterrupt();
+ void InvokeInterruptCallback();
+
// This provides an asynchronous read of the stack limits for the current
// thread. There are no locks protecting this, but it is assumed that you
// have the global V8 lock if you are using multiple V8 threads.
void EnableInterrupts();
void DisableInterrupts();
-#if V8_TARGET_ARCH_X64
+#if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM64
static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe);
static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8);
#else
static const uintptr_t kIllegalLimit = 0xfffffff8;
#endif
- class ThreadLocal {
+ class ThreadLocal V8_FINAL {
public:
ThreadLocal() { Clear(); }
// You should hold the ExecutionAccess lock when you call Initialize or
int nesting_;
int postpone_interrupts_nesting_;
int interrupt_flags_;
+
+ InterruptCallback interrupt_callback_;
+ void* interrupt_callback_data_;
};
// TODO(isolates): Technically this could be calculated directly from a
DISALLOW_COPY_AND_ASSIGN(StackGuard);
};
-
} } // namespace v8::internal
#endif // V8_EXECUTION_H_
projects / platform / framework / web / crosswalk.git / blobdiff