Source/JavaScriptCore/API/JSContextRefPrivate.h - WebKit - Git at Google

 /*
  * Copyright (C) 2009 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. 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.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 JSContextRefPrivate_h
 #define JSContextRefPrivate_h

 #include <JavaScriptCore/JSObjectRef.h>
 #include <JavaScriptCore/JSValueRef.h>
 #include <JavaScriptCore/WebKitAvailability.h>

 #ifndef __cplusplus
 #include <stdbool.h>
 #endif

 #ifdef __cplusplus
 extern "C" {
 #endif

 /*!
 @function
 @abstract Gets a Backtrace for the existing context
 @param ctx The JSContext whose backtrace you want to get
 @result A string containing the backtrace
 */
 JS_EXPORT JSStringRef JSContextCreateBacktrace(JSContextRef ctx, unsigned maxStackSize) JSC_API_AVAILABLE(macos(10.6), ios(7.0));


 /*!
 @typedef JSShouldTerminateCallback
 @abstract The callback invoked when script execution has exceeded the allowed
  time limit previously specified via JSContextGroupSetExecutionTimeLimit.
 @param ctx The execution context to use.
 @param context User specified context data previously passed to
  JSContextGroupSetExecutionTimeLimit.
 @discussion If you named your function Callback, you would declare it like this:

  bool Callback(JSContextRef ctx, void* context);

  If you return true, the timed out script will terminate.
  If you return false, the script will run for another period of the allowed
  time limit specified via JSContextGroupSetExecutionTimeLimit.

  Within this callback function, you may call JSContextGroupSetExecutionTimeLimit
  to set a new time limit, or JSContextGroupClearExecutionTimeLimit to cancel the
  timeout.
 */
 typedef bool
 (*JSShouldTerminateCallback) (JSContextRef ctx, void* context);

 /*!
 @function
 @abstract Sets the script execution time limit.
 @param group The JavaScript context group that this time limit applies to.
 @param limit The time limit of allowed script execution time in seconds.
 @param callback The callback function that will be invoked when the time limit
  has been reached. This will give you a chance to decide if you want to
  terminate the script or not. If you pass a NULL callback, the script will be
  terminated unconditionally when the time limit has been reached.
 @param context User data that you can provide to be passed back to you
  in your callback.

  In order to guarantee that the execution time limit will take effect, you will
  need to call JSContextGroupSetExecutionTimeLimit before you start executing
  any scripts.
 */
 JS_EXPORT void JSContextGroupSetExecutionTimeLimit(JSContextGroupRef group, double limit, JSShouldTerminateCallback callback, void* context) JSC_API_AVAILABLE(macos(10.6), ios(7.0));

 /*!
 @function
 @abstract Clears the script execution time limit.
 @param group The JavaScript context group that the time limit is cleared on.
 */
 JS_EXPORT void JSContextGroupClearExecutionTimeLimit(JSContextGroupRef group) JSC_API_AVAILABLE(macos(10.6), ios(7.0));

 /*!
 @function
 @abstract Gets a whether or not remote inspection is enabled on the context.
 @param ctx The JSGlobalContext whose setting you want to get.
 @result The value of the setting, true if remote inspection is enabled, otherwise false.
 @discussion Remote inspection is true by default.
 */
 JS_EXPORT bool JSGlobalContextGetRemoteInspectionEnabled(JSGlobalContextRef ctx) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

 /*!
 @function
 @abstract Sets the remote inspection setting for a context.
 @param ctx The JSGlobalContext that you want to change.
 @param enabled The new remote inspection enabled setting for the context.
 */
 JS_EXPORT void JSGlobalContextSetRemoteInspectionEnabled(JSGlobalContextRef ctx, bool enabled) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

 /*!
 @function
 @abstract Gets the include native call stack when reporting exceptions setting for a context.
 @param ctx The JSGlobalContext whose setting you want to get.
 @result The value of the setting, true if remote inspection is enabled, otherwise false.
 @discussion This setting is true by default.
 */
 JS_EXPORT bool JSGlobalContextGetIncludesNativeCallStackWhenReportingExceptions(JSGlobalContextRef ctx) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

 /*!
 @function
 @abstract Sets the include native call stack when reporting exceptions setting for a context.
 @param ctx The JSGlobalContext that you want to change.
 @param includesNativeCallStack The new value of the setting for the context.
 */
 JS_EXPORT void JSGlobalContextSetIncludesNativeCallStackWhenReportingExceptions(JSGlobalContextRef ctx, bool includesNativeCallStack) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

 /*!
 @function
 @abstract Sets the unhandled promise rejection callback for a context.
 @discussion Similar to window.addEventListener('unhandledrejection'), but for contexts not associated with a web view.
 @param ctx The JSGlobalContext to set the callback on.
 @param function The callback function to set, which receives the promise and rejection reason as arguments.
 @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
 */
 JS_EXPORT void JSGlobalContextSetUnhandledRejectionCallback(JSGlobalContextRef ctx, JSObjectRef function, JSValueRef* exception) JSC_API_AVAILABLE(macos(JSC_MAC_TBA), ios(JSC_IOS_TBA));

 #ifdef __cplusplus
 }
 #endif

 #endif /* JSContextRefPrivate_h */
	/*
	* Copyright (C) 2009 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. 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.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 JSContextRefPrivate_h
	#define JSContextRefPrivate_h

	#include <JavaScriptCore/JSObjectRef.h>
	#include <JavaScriptCore/JSValueRef.h>
	#include <JavaScriptCore/WebKitAvailability.h>

	#ifndef __cplusplus
	#include <stdbool.h>
	#endif

	#ifdef __cplusplus
	extern "C" {
	#endif

	/*!
	@function
	@abstract Gets a Backtrace for the existing context
	@param ctx The JSContext whose backtrace you want to get
	@result A string containing the backtrace
	*/
	JS_EXPORT JSStringRef JSContextCreateBacktrace(JSContextRef ctx, unsigned maxStackSize) JSC_API_AVAILABLE(macos(10.6), ios(7.0));


	/*!
	@typedef JSShouldTerminateCallback
	@abstract The callback invoked when script execution has exceeded the allowed
	time limit previously specified via JSContextGroupSetExecutionTimeLimit.
	@param ctx The execution context to use.
	@param context User specified context data previously passed to
	JSContextGroupSetExecutionTimeLimit.
	@discussion If you named your function Callback, you would declare it like this:

	bool Callback(JSContextRef ctx, void* context);

	If you return true, the timed out script will terminate.
	If you return false, the script will run for another period of the allowed
	time limit specified via JSContextGroupSetExecutionTimeLimit.

	Within this callback function, you may call JSContextGroupSetExecutionTimeLimit
	to set a new time limit, or JSContextGroupClearExecutionTimeLimit to cancel the
	timeout.
	*/
	typedef bool
	(JSShouldTerminateCallback) (JSContextRef ctx, void context);

	/*!
	@function
	@abstract Sets the script execution time limit.
	@param group The JavaScript context group that this time limit applies to.
	@param limit The time limit of allowed script execution time in seconds.
	@param callback The callback function that will be invoked when the time limit
	has been reached. This will give you a chance to decide if you want to
	terminate the script or not. If you pass a NULL callback, the script will be
	terminated unconditionally when the time limit has been reached.
	@param context User data that you can provide to be passed back to you
	in your callback.

	In order to guarantee that the execution time limit will take effect, you will
	need to call JSContextGroupSetExecutionTimeLimit before you start executing
	any scripts.
	*/
	JS_EXPORT void JSContextGroupSetExecutionTimeLimit(JSContextGroupRef group, double limit, JSShouldTerminateCallback callback, void* context) JSC_API_AVAILABLE(macos(10.6), ios(7.0));

	/*!
	@function
	@abstract Clears the script execution time limit.
	@param group The JavaScript context group that the time limit is cleared on.
	*/
	JS_EXPORT void JSContextGroupClearExecutionTimeLimit(JSContextGroupRef group) JSC_API_AVAILABLE(macos(10.6), ios(7.0));

	/*!
	@function
	@abstract Gets a whether or not remote inspection is enabled on the context.
	@param ctx The JSGlobalContext whose setting you want to get.
	@result The value of the setting, true if remote inspection is enabled, otherwise false.
	@discussion Remote inspection is true by default.
	*/
	JS_EXPORT bool JSGlobalContextGetRemoteInspectionEnabled(JSGlobalContextRef ctx) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

	/*!
	@function
	@abstract Sets the remote inspection setting for a context.
	@param ctx The JSGlobalContext that you want to change.
	@param enabled The new remote inspection enabled setting for the context.
	*/
	JS_EXPORT void JSGlobalContextSetRemoteInspectionEnabled(JSGlobalContextRef ctx, bool enabled) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

	/*!
	@function
	@abstract Gets the include native call stack when reporting exceptions setting for a context.
	@param ctx The JSGlobalContext whose setting you want to get.
	@result The value of the setting, true if remote inspection is enabled, otherwise false.
	@discussion This setting is true by default.
	*/
	JS_EXPORT bool JSGlobalContextGetIncludesNativeCallStackWhenReportingExceptions(JSGlobalContextRef ctx) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

	/*!
	@function
	@abstract Sets the include native call stack when reporting exceptions setting for a context.
	@param ctx The JSGlobalContext that you want to change.
	@param includesNativeCallStack The new value of the setting for the context.
	*/
	JS_EXPORT void JSGlobalContextSetIncludesNativeCallStackWhenReportingExceptions(JSGlobalContextRef ctx, bool includesNativeCallStack) JSC_API_AVAILABLE(macos(10.10), ios(8.0));

	/*!
	@function
	@abstract Sets the unhandled promise rejection callback for a context.
	@discussion Similar to window.addEventListener('unhandledrejection'), but for contexts not associated with a web view.
	@param ctx The JSGlobalContext to set the callback on.
	@param function The callback function to set, which receives the promise and rejection reason as arguments.
	@param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
	*/
	JS_EXPORT void JSGlobalContextSetUnhandledRejectionCallback(JSGlobalContextRef ctx, JSObjectRef function, JSValueRef* exception) JSC_API_AVAILABLE(macos(JSC_MAC_TBA), ios(JSC_IOS_TBA));

	#ifdef __cplusplus
	}
	#endif

	#endif /* JSContextRefPrivate_h */