/*

 * Copyright (C) 2005 Apple Computer, 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.

 */

#import <Foundation/Foundation.h>

#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4

#define WebNSUInteger unsigned int

#else

#define WebNSUInteger NSUInteger

#endif

@class WebView;

@class WebFrame;

@class WebScriptCallFrame;

@class WebCoreScriptCallFrame;

extern NSString * const WebScriptErrorDomain;

extern NSString * const WebScriptErrorDescriptionKey;

extern NSString * const WebScriptErrorLineNumberKey;

enum {

    WebScriptGeneralErrorCode = -100

};

// WebScriptDebugDelegate messages

@interface NSObject (WebScriptDebugDelegate)

// some source was parsed, establishing a "source ID" (>= 0) for future reference

// this delegate method is deprecated, please switch to the new version below

- (void)webView:(WebView *)webView       didParseSource:(NSString *)source

                                                fromURL:(NSString *)url

                                               sourceId:(int)sid

                                            forWebFrame:(WebFrame *)webFrame;

// some source was parsed, establishing a "source ID" (>= 0) for future reference

- (void)webView:(WebView *)webView       didParseSource:(NSString *)source

                                         baseLineNumber:(WebNSUInteger)lineNumber

                                                fromURL:(NSURL *)url

                                               sourceId:(int)sid

                                            forWebFrame:(WebFrame *)webFrame;

// some source failed to parse

- (void)webView:(WebView *)webView  failedToParseSource:(NSString *)source

                                         baseLineNumber:(WebNSUInteger)lineNumber

                                                fromURL:(NSURL *)url

                                              withError:(NSError *)error

                                            forWebFrame:(WebFrame *)webFrame;

// just entered a stack frame (i.e. called a function, or started global scope)

- (void)webView:(WebView *)webView    didEnterCallFrame:(WebScriptCallFrame *)frame

                                               sourceId:(int)sid

                                                   line:(int)lineno

                                            forWebFrame:(WebFrame *)webFrame;

// about to execute some code

- (void)webView:(WebView *)webView willExecuteStatement:(WebScriptCallFrame *)frame

                                               sourceId:(int)sid

                                                   line:(int)lineno

                                            forWebFrame:(WebFrame *)webFrame;

// about to leave a stack frame (i.e. return from a function)

- (void)webView:(WebView *)webView   willLeaveCallFrame:(WebScriptCallFrame *)frame

                                               sourceId:(int)sid

                                                   line:(int)lineno

                                            forWebFrame:(WebFrame *)webFrame;

// exception is being thrown

- (void)webView:(WebView *)webView   exceptionWasRaised:(WebScriptCallFrame *)frame

                                               sourceId:(int)sid

                                                   line:(int)lineno

                                            forWebFrame:(WebFrame *)webFrame;

@end

// WebScriptCallFrame interface

//

// These objects are passed as arguments to the debug delegate.

@interface WebScriptCallFrame : NSObject

{

@private

    WebCoreScriptCallFrame *_private;

    id                      _userInfo;

}

// associate user info with frame

- (void)setUserInfo:(id)userInfo;

// retrieve user info

- (id)userInfo;

// get next frame on call stack (or nil if this is already the "global" frame)

- (WebScriptCallFrame *)caller;

// get array of WebScriptObjects for each scope (innermost first, last is always global object)

- (NSArray *)scopeChain;

// get name of function (if available) or nil

- (NSString *)functionName;

// get pending exception (if any) or nil

- (id)exception;

// evaluate a script (as if by "eval") in the context of this frame

- (id)evaluateWebScript:(NSString *)script;

@end

#undef WebNSUInteger