diff -r 000000000000 -r 4f2f89ce4247 WebKit/mac/WebView/WebScriptDebugDelegate.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/WebView/WebScriptDebugDelegate.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,144 @@
+/*
+ * 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
+
+#if defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD)
+typedef int WebSourceId;
+#else
+typedef intptr_t WebSourceId;
+#endif
+
+@class WebView;
+@class WebFrame;
+@class WebScriptCallFrame;
+@class WebScriptCallFramePrivate;
+@class WebScriptObject;
+
+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:(WebSourceId)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:(WebSourceId)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:(WebSourceId)sid
+                                                   line:(int)lineno
+                                            forWebFrame:(WebFrame *)webFrame;
+
+// about to execute some code
+- (void)webView:(WebView *)webView willExecuteStatement:(WebScriptCallFrame *)frame
+                                               sourceId:(WebSourceId)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:(WebSourceId)sid
+                                                   line:(int)lineno
+                                            forWebFrame:(WebFrame *)webFrame;
+
+// exception is being thrown
+- (void)webView:(WebView *)webView   exceptionWasRaised:(WebScriptCallFrame *)frame
+                                               sourceId:(WebSourceId)sid
+                                                   line:(int)lineno
+                                            forWebFrame:(WebFrame *)webFrame;
+@end
+
+
+
+// WebScriptCallFrame interface
+//
+// These objects are passed as arguments to the debug delegate.
+
+@interface WebScriptCallFrame : NSObject
+{
+@private
+    WebScriptCallFramePrivate* _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
+