webengine/osswebengine/WebKitTools/Drosera/mac/DebuggerClient.mm
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKitTools/Drosera/mac/DebuggerClient.mm	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,610 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2006, 2007 Vladimir Olexa (vladimir.olexa@gmail.com)
+ *
+ * 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 "DebuggerClient.h"
+
+#import "DebuggerApplication.h"
+#import "DebuggerDocument.h"
+
+#import <Carbon/Carbon.h>
+#import <JavaScriptCore/JSContextRef.h>
+#import <JavaScriptCore/JSRetainPtr.h>
+#import <JavaScriptCore/JSStringRef.h>
+#import <JavaScriptCore/JSStringRefCF.h>
+#import <JavaScriptCore/RetainPtr.h>
+
+static NSString *DebuggerConsoleToolbarItem = @"DebuggerConsoleToolbarItem";
+static NSString *DebuggerContinueToolbarItem = @"DebuggerContinueToolbarItem";
+static NSString *DebuggerPauseToolbarItem = @"DebuggerPauseToolbarItem";
+static NSString *DebuggerStepIntoToolbarItem = @"DebuggerStepIntoToolbarItem";
+static NSString *DebuggerStepOverToolbarItem = @"DebuggerStepOverToolbarItem";
+static NSString *DebuggerStepOutToolbarItem = @"DebuggerStepOutToolbarItem";
+
+@implementation DebuggerClient
++ (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector
+{
+    return NO;
+}
+
++ (BOOL)isKeyExcludedFromWebScript:(const char *)name
+{
+    return NO;
+}
+
++ (void)log:(NSString *)msg
+{
+    NSLog(@"%@", msg);
+}
+
+#pragma mark -
+
+- (id)initWithServerName:(NSString *)serverName
+{
+    debuggerDocument = new DebuggerDocument(self);
+
+    if ((self = [super init]))
+        [self switchToServerNamed:serverName];
+    return self;
+}
+
+- (void)dealloc
+{
+    delete debuggerDocument;
+
+    [server release];
+    [currentServerName release];
+    [super dealloc];
+}
+
+#pragma mark -
+#pragma mark Stack & Variables
+
+- (WebScriptCallFrame *)currentFrame
+{
+    return currentFrame;
+}
+
+- (NSString *)currentFrameFunctionName
+{
+    return [currentFrame functionName];
+}
+
+- (NSArray *)webScriptAttributeKeysForScriptObject:(WebScriptObject *)object
+{
+    WebScriptObject *enumerateAttributes = [object evaluateWebScript:@"(function () { var result = new Array(); for (var x in this) { result.push(x); } return result; })"];
+
+    NSMutableArray *result = [[NSMutableArray alloc] init];
+    WebScriptObject *variables = [enumerateAttributes callWebScriptMethod:@"call" withArguments:[NSArray arrayWithObject:object]];
+    unsigned length = [[variables valueForKey:@"length"] intValue];
+    for (unsigned i = 0; i < length; i++) {
+        NSString *key = [variables webScriptValueAtIndex:i];
+        [result addObject:key];
+    }
+
+    [result sortUsingSelector:@selector(compare:)];
+    return [result autorelease];
+}
+
+#pragma mark -
+#pragma mark Pause & Step
+
+- (void)pause
+{
+    if ([[(NSDistantObject *)server connectionForProxy] isValid])
+        [server pause];
+    [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
+}
+
+- (void)resume
+{
+    if ([[(NSDistantObject *)server connectionForProxy] isValid])
+        [server resume];
+}
+
+- (void)stepInto
+{
+    if ([[(NSDistantObject *)server connectionForProxy] isValid])
+        [server step];
+}
+
+#pragma mark -
+#pragma mark Interface Actions
+
+- (IBAction)pause:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "pause", 0, 0);
+}
+
+- (IBAction)resume:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "resume", 0, 0);
+}
+
+- (IBAction)stepInto:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "stepInto", 0, 0);
+}
+
+- (IBAction)stepOver:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "stepOver", 0, 0);
+}
+
+- (IBAction)stepOut:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "stepOut", 0, 0);
+}
+
+- (IBAction)showConsole:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "showConsoleWindow", 0, 0);
+}
+
+- (IBAction)closeCurrentFile:(id)sender
+{
+    DebuggerDocument::callGlobalFunction([[webView mainFrame] globalContext], "closeCurrentFile", 0, 0);
+}
+
+#pragma mark -
+#pragma mark Window Controller Overrides
+
+- (NSString *)windowNibName
+{
+    return @"Debugger";
+}
+
+- (void)windowDidLoad
+{
+    [super windowDidLoad];
+
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationTerminating:) name:NSApplicationWillTerminateNotification object:nil];
+
+    NSString *path = [[NSBundle mainBundle] pathForResource:@"debugger" ofType:@"html" inDirectory:nil];
+    [[webView mainFrame] loadRequest:[[[NSURLRequest alloc] initWithURL:[NSURL fileURLWithPath:path]] autorelease]];
+
+    NSToolbar *toolbar = [[NSToolbar alloc] initWithIdentifier:@"debugger"];
+    [toolbar setDelegate:self];
+    [toolbar setAllowsUserCustomization:YES];
+    [toolbar setAutosavesConfiguration:YES];
+    [[self window] setToolbar:toolbar];
+    [toolbar release];
+}
+
+- (void)windowWillClose:(NSNotification *)notification
+{
+    [[webView windowScriptObject] removeWebScriptKey:@"DebuggerDocument"];
+
+    [[NSNotificationCenter defaultCenter] removeObserver:self name:NSApplicationWillTerminateNotification object:nil];
+
+    [self switchToServerNamed:nil];
+
+    [self autorelease]; // DebuggerApplication expects us to release on close
+}
+
+#pragma mark -
+#pragma mark Connection Handling
+
+- (void)switchToServerNamed:(NSString *)name
+{
+    if (server) {
+        [[NSNotificationCenter defaultCenter] removeObserver:self name:NSConnectionDidDieNotification object:[(NSDistantObject *)server connectionForProxy]];
+        if ([[(NSDistantObject *)server connectionForProxy] isValid]) {
+            [server removeListener:self];
+            [self resume];
+        }
+    }
+
+    id old = server;
+    server = ([name length] ? [[NSConnection rootProxyForConnectionWithRegisteredName:name host:nil] retain] : nil);
+    [old release];
+
+    old = currentServerName;
+    currentServerName = [name copy];
+    [old release];
+
+    if (server) {
+        @try {
+            [(NSDistantObject *)server setProtocolForProxy:@protocol(WebScriptDebugServer)];
+            [server addListener:self];
+        } @catch (NSException *exception) {
+            [currentServerName release];
+            currentServerName = nil;
+            [server release];
+            server = nil;
+        }
+
+        if (server)
+            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(serverConnectionDidDie:) name:NSConnectionDidDieNotification object:[(NSDistantObject *)server connectionForProxy]];  
+    }
+}
+
+- (void)applicationTerminating:(NSNotification *)notifiction
+{
+    if (server && [[(NSDistantObject *)server connectionForProxy] isValid]) {
+        [self switchToServerNamed:nil];
+        // call the runloop for a while to make sure our removeListener: is sent to the server
+        [[NSRunLoop currentRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.25]];
+    }
+}
+
+- (void)serverConnectionDidDie:(NSNotification *)notifiction
+{
+    [self switchToServerNamed:nil];
+}
+
+#pragma mark -
+#pragma mark Toolbar Delegate
+
+- (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSString *)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag
+{
+    if ([itemIdentifier isEqualToString:DebuggerContinueToolbarItem]) {
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
+
+        [item setLabel:@"Continue"];
+        [item setPaletteLabel:@"Continue"];
+
+        [item setToolTip:@"Continue script execution"];
+        [item setImage:[NSImage imageNamed:@"continue"]];
+
+        [item setTarget:self];
+        [item setAction:@selector(resume:)];
+
+        return [item autorelease];
+    } else if ([itemIdentifier isEqualToString:DebuggerConsoleToolbarItem]) {
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
+
+        [item setLabel:@"Console"];
+        [item setPaletteLabel:@"Console"];
+
+        [item setToolTip:@"Console"];
+        [item setImage:[NSImage imageNamed:@"console"]];
+
+        [item setTarget:self];
+        [item setAction:@selector(showConsole:)];
+
+        return [item autorelease];
+    } else if ([itemIdentifier isEqualToString:DebuggerPauseToolbarItem]) {
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
+
+        [item setLabel:@"Pause"];
+        [item setPaletteLabel:@"Pause"];
+
+        [item setToolTip:@"Pause script execution"];
+        [item setImage:[NSImage imageNamed:@"pause"]];
+
+        [item setTarget:self];
+        [item setAction:@selector(pause:)];
+
+        return [item autorelease];
+    } else if ([itemIdentifier isEqualToString:DebuggerStepIntoToolbarItem]) {
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
+
+        [item setLabel:@"Step Into"];
+        [item setPaletteLabel:@"Step Into"];
+
+        [item setToolTip:@"Step into function call"];
+        [item setImage:[NSImage imageNamed:@"step"]];
+
+        [item setTarget:self];
+        [item setAction:@selector(stepInto:)];
+
+        return [item autorelease];
+    } else if ([itemIdentifier isEqualToString:DebuggerStepOverToolbarItem]) {
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
+
+        [item setLabel:@"Step Over"];
+        [item setPaletteLabel:@"Step Over"];
+
+        [item setToolTip:@"Step over function call"];
+        [item setImage:[NSImage imageNamed:@"stepOver"]];
+
+        [item setTarget:self];
+        [item setAction:@selector(stepOver:)];
+
+        return [item autorelease];
+    } else if ([itemIdentifier isEqualToString:DebuggerStepOutToolbarItem]) {
+        NSToolbarItem *item = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
+
+        [item setLabel:@"Step Out"];
+        [item setPaletteLabel:@"Step Over"];
+
+        [item setToolTip:@"Step out of current function"];
+        [item setImage:[NSImage imageNamed:@"stepOut"]];
+
+        [item setTarget:self];
+        [item setAction:@selector(stepOut:)];
+
+        return [item autorelease];
+    }
+
+    return nil;
+}
+
+- (NSArray *)toolbarDefaultItemIdentifiers:(NSToolbar*)toolbar
+{
+    return [NSArray arrayWithObjects:DebuggerContinueToolbarItem, DebuggerPauseToolbarItem,
+        NSToolbarSeparatorItemIdentifier, DebuggerStepIntoToolbarItem, DebuggerStepOutToolbarItem,
+        DebuggerStepOverToolbarItem, NSToolbarFlexibleSpaceItemIdentifier, DebuggerConsoleToolbarItem, nil];
+}
+
+- (NSArray *)toolbarAllowedItemIdentifiers:(NSToolbar*)toolbar
+{
+    return [NSArray arrayWithObjects:DebuggerConsoleToolbarItem, DebuggerContinueToolbarItem, DebuggerPauseToolbarItem,
+        DebuggerStepIntoToolbarItem, DebuggerStepOutToolbarItem, DebuggerStepOverToolbarItem, NSToolbarCustomizeToolbarItemIdentifier,
+        NSToolbarFlexibleSpaceItemIdentifier, NSToolbarSpaceItemIdentifier, NSToolbarSeparatorItemIdentifier, nil];
+}
+
+- (BOOL)validateUserInterfaceItem:(id <NSValidatedUserInterfaceItem>)interfaceItem
+{
+    SEL action = [interfaceItem action];
+    if (action == @selector(pause:)) {
+        if (!webViewLoaded)
+            return NO;
+
+        return !debuggerDocument->isPaused([[webView mainFrame] globalContext]);
+    }
+    if (action == @selector(resume:) ||
+        action == @selector(stepOver:) ||
+        action == @selector(stepOut:) ||
+        action == @selector(stepInto:)) {
+        if (!webViewLoaded)
+            return YES;
+
+        return debuggerDocument->isPaused([[webView mainFrame] globalContext]);
+    }
+    return YES;
+}
+
+#pragma mark -
+#pragma mark WebView UI Delegate
+
+- (WebView *)webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request
+{
+    WebView *newWebView = [[WebView alloc] initWithFrame:NSZeroRect frameName:nil groupName:nil];
+    [newWebView setAutoresizingMask:(NSViewWidthSizable | NSViewHeightSizable)];
+    [newWebView setUIDelegate:self];
+    [newWebView setPolicyDelegate:self];
+    [newWebView setFrameLoadDelegate:self];
+    if (request)
+        [[newWebView mainFrame] loadRequest:request];
+
+    NSWindow *window = [[NSWindow alloc] initWithContentRect:NSZeroRect styleMask:(NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask | NSUnifiedTitleAndToolbarWindowMask) backing:NSBackingStoreBuffered defer:NO screen:[[webView window] screen]];
+    [window setReleasedWhenClosed:YES];
+    [newWebView setFrame:[[window contentView] frame]];
+    [[window contentView] addSubview:newWebView];
+    [newWebView release];
+
+    return newWebView;
+}
+
+- (void)webViewShow:(WebView *)sender
+{
+    [[sender window] makeKeyAndOrderFront:sender];
+}
+
+- (BOOL)webViewAreToolbarsVisible:(WebView *)sender
+{
+    return [[[sender window] toolbar] isVisible];
+}
+
+- (void)webView:(WebView *)sender setToolbarsVisible:(BOOL)visible
+{
+    [[[sender window] toolbar] setVisible:visible];
+}
+
+- (void)webView:(WebView *)sender setResizable:(BOOL)resizable
+{
+    [[sender window] setShowsResizeIndicator:resizable];
+    [[[sender window] standardWindowButton:NSWindowZoomButton] setEnabled:resizable];
+}
+
+- (void)webView:(WebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame
+{
+    NSRange range = [message rangeOfString:@"\t"];
+    NSString *title = @"Alert";
+    if (range.location != NSNotFound) {
+        title = [message substringToIndex:range.location];
+        message = [message substringFromIndex:(range.location + range.length)];
+    }
+
+    NSBeginInformationalAlertSheet(title, nil, nil, nil, [sender window], nil, NULL, NULL, NULL, message);
+}
+
+- (void)scriptConfirmSheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(long *)contextInfo
+{
+    *contextInfo = returnCode;
+}
+
+- (BOOL)webView:(WebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame
+{
+    NSRange range = [message rangeOfString:@"\t"];
+    NSString *title = @"Alert";
+    if (range.location != NSNotFound) {
+        title = [message substringToIndex:range.location];
+        message = [message substringFromIndex:(range.location + range.length)];
+    }
+
+    long result = NSNotFound;
+    NSBeginInformationalAlertSheet(title, nil, @"Cancel", nil, [sender window], self, @selector(scriptConfirmSheetDidEnd:returnCode:contextInfo:), NULL, &result, message);
+
+    while (result == NSNotFound) {
+        NSEvent *nextEvent = [[NSApplication sharedApplication] nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantFuture] inMode:NSDefaultRunLoopMode dequeue:YES];
+        [[NSApplication sharedApplication] sendEvent:nextEvent];
+    }
+
+    return result;
+}
+
+#pragma mark -
+#pragma mark WebView Frame Load Delegate
+
+- (void)webView:(WebView *)sender windowScriptObjectAvailable:(WebScriptObject *)windowScriptObject
+{
+    // note: this is the Debuggers's own WebView, not the one being debugged
+    JSContextRef context = [[webView mainFrame] globalContext];
+    JSObjectRef globalObject = JSContextGetGlobalObject(context);
+    
+    debuggerDocument->windowScriptObjectAvailable(context, globalObject);
+}
+
+- (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
+{
+    // note: this is the Debuggers's own WebView, not the one being debugged
+    if ([[sender window] isEqual:[self window]])
+        webViewLoaded = YES;
+}
+
+- (void)webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame
+{
+    // note: this is the Debuggers's own WebViews, not the one being debugged
+    if ([frame isEqual:[sender mainFrame]]) {
+        NSDictionary *info = [[(DebuggerApplication *)[[NSApplication sharedApplication] delegate] knownServers] objectForKey:currentServerName];
+        NSString *processName = [info objectForKey:WebScriptDebugServerProcessNameKey];
+        if (info && [processName length]) {
+            NSMutableString *newTitle = [[NSMutableString alloc] initWithString:processName];
+            [newTitle appendString:@" - "];
+            [newTitle appendString:title];
+            [[sender window] setTitle:newTitle];
+            [newTitle release];
+        } else 
+            [[sender window] setTitle:title];
+    }
+}
+
+#pragma mark -
+#pragma mark Debug Listener Callbacks
+
+- (void)webView:(WebView *)view didLoadMainResourceForDataSource:(WebDataSource *)dataSource
+{  
+    NSString *documentSource = nil;
+    id <WebDocumentRepresentation> rep = [dataSource representation];
+    if ([rep canProvideDocumentSource])
+        documentSource = [rep documentSource];
+
+    if (!documentSource)
+        return;
+
+    JSRetainPtr<JSStringRef> documentSourceJS(Adopt, JSStringCreateWithCFString((CFStringRef)documentSource));     // We already checked for NULL
+    NSString *url = [[[dataSource response] URL] absoluteString];
+    JSRetainPtr<JSStringRef> urlJS(Adopt, JSStringCreateWithCFString(url ? (CFStringRef)url : CFSTR("")));
+
+    DebuggerDocument::updateFileSource([[webView mainFrame] globalContext], documentSourceJS.get(), urlJS.get());
+}
+
+- (void)webView:(WebView *)view didParseSource:(NSString *)source baseLineNumber:(unsigned)baseLine fromURL:(NSURL *)url sourceId:(int)sid forWebFrame:(WebFrame *)webFrame
+{
+    if (!webViewLoaded)
+        return;
+
+    RetainPtr<NSString *>sourceCopy = [source copy];
+    if (!sourceCopy.get())
+        return;
+
+    RetainPtr<NSString *>documentSourceCopy = nil;
+    RetainPtr<NSString *>urlCopy = [[url absoluteString] copy];
+
+    WebDataSource *dataSource = [webFrame dataSource];
+    if (!url || [[[dataSource response] URL] isEqual:url]) {
+        id <WebDocumentRepresentation> rep = [dataSource representation];
+        if ([rep canProvideDocumentSource])
+            documentSourceCopy = [[rep documentSource] copy];
+        if (!urlCopy.get())
+            urlCopy = [[[[dataSource response] URL] absoluteString] copy];
+    }
+
+    JSRetainPtr<JSStringRef> sourceCopyJS(Adopt, JSStringCreateWithCFString((CFStringRef)sourceCopy.get()));  // We checked for NULL earlier.
+    JSRetainPtr<JSStringRef> documentSourceCopyJS(Adopt, JSStringCreateWithCFString(documentSourceCopy.get() ? (CFStringRef)documentSourceCopy.get() : (CFStringRef)@""));
+    JSRetainPtr<JSStringRef> urlCopyJS(Adopt, JSStringCreateWithCFString(urlCopy.get() ? (CFStringRef)urlCopy.get() : (CFStringRef)@""));
+    JSContextRef context = [[webView mainFrame] globalContext];
+    JSValueRef sidJS = JSValueMakeNumber(context, sid);     // JSValueRefs are garbage collected
+    JSValueRef baseLineJS = JSValueMakeNumber(context, baseLine);
+
+    DebuggerDocument::didParseScript(context, sourceCopyJS.get(), documentSourceCopyJS.get(), urlCopyJS.get(), sidJS, baseLineJS);
+}
+
+- (void)webView:(WebView *)view failedToParseSource:(NSString *)source baseLineNumber:(unsigned)baseLine fromURL:(NSURL *)url withError:(NSError *)error forWebFrame:(WebFrame *)webFrame
+{
+}
+
+- (void)webView:(WebView *)view didEnterCallFrame:(WebScriptCallFrame *)frame sourceId:(int)sid line:(int)lineno forWebFrame:(WebFrame *)webFrame
+{
+    if (!webViewLoaded)
+        return;
+
+    id old = currentFrame;
+    currentFrame = [frame retain];
+    [old release];
+
+    JSContextRef context = [[webView mainFrame] globalContext];
+    JSValueRef sidJS = JSValueMakeNumber(context, sid);
+    JSValueRef linenoJS = JSValueMakeNumber(context, lineno);
+
+    DebuggerDocument::didEnterCallFrame(context, sidJS, linenoJS);
+}
+
+- (void)webView:(WebView *)view willExecuteStatement:(WebScriptCallFrame *)frame sourceId:(int)sid line:(int)lineno forWebFrame:(WebFrame *)webFrame
+{
+    if (!webViewLoaded)
+        return;
+
+    JSContextRef context = [[webView mainFrame] globalContext];
+    JSValueRef sidJS = JSValueMakeNumber(context, sid);
+    JSValueRef linenoJS = JSValueMakeNumber(context, lineno);
+
+    DebuggerDocument::willExecuteStatement(context, sidJS, linenoJS);
+}
+
+- (void)webView:(WebView *)view willLeaveCallFrame:(WebScriptCallFrame *)frame sourceId:(int)sid line:(int)lineno forWebFrame:(WebFrame *)webFrame
+{
+    if (!webViewLoaded)
+        return;
+
+    JSContextRef context = [[webView mainFrame] globalContext];
+    JSValueRef sidJS = JSValueMakeNumber(context, sid);
+    JSValueRef linenoJS = JSValueMakeNumber(context, lineno);
+
+    DebuggerDocument::willLeaveCallFrame(context, sidJS, linenoJS);
+
+    id old = currentFrame;
+    currentFrame = [[frame caller] retain];
+    [old release];
+}
+
+- (void)webView:(WebView *)view exceptionWasRaised:(WebScriptCallFrame *)frame sourceId:(int)sid line:(int)lineno forWebFrame:(WebFrame *)webFrame
+{
+    if (!webViewLoaded)
+        return;
+
+    JSContextRef context = [[webView mainFrame] globalContext];
+    JSValueRef sidJS = JSValueMakeNumber(context, sid);
+    JSValueRef linenoJS = JSValueMakeNumber(context, lineno);
+
+    DebuggerDocument::exceptionWasRaised(context, sidJS, linenoJS);
+}
+@end