| /* |
| * Copyright (C) 2006, 2007 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. |
| * 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 "WebScriptDebugServer.h" |
| #import "WebScriptDebugServerPrivate.h" |
| #import "WebViewInternal.h" |
| |
| #import <JavaScriptCore/Assertions.h> |
| |
| NSString *WebScriptDebugServerProcessNameKey = @"WebScriptDebugServerProcessNameKey"; |
| NSString *WebScriptDebugServerProcessBundleIdentifierKey = @"WebScriptDebugServerProcessBundleIdentifierKey"; |
| NSString *WebScriptDebugServerProcessIdentifierKey = @"WebScriptDebugServerProcessIdentifierKey"; |
| |
| NSString *WebScriptDebugServerQueryNotification = @"WebScriptDebugServerQueryNotification"; |
| NSString *WebScriptDebugServerQueryReplyNotification = @"WebScriptDebugServerQueryReplyNotification"; |
| |
| NSString *WebScriptDebugServerDidLoadNotification = @"WebScriptDebugServerDidLoadNotification"; |
| NSString *WebScriptDebugServerWillUnloadNotification = @"WebScriptDebugServerWillUnloadNotification"; |
| |
| @implementation WebScriptDebugServer |
| |
| static WebScriptDebugServer *sharedServer = nil; |
| static unsigned listenerCount = 0; |
| |
| + (WebScriptDebugServer *)sharedScriptDebugServer |
| { |
| if (!sharedServer) |
| sharedServer = [[WebScriptDebugServer alloc] init]; |
| return sharedServer; |
| } |
| |
| + (unsigned)listenerCount |
| { |
| return listenerCount; |
| } |
| |
| - (id)init |
| { |
| self = [super init]; |
| |
| NSProcessInfo *processInfo = [NSProcessInfo processInfo]; |
| serverName = [[NSString alloc] initWithFormat:@"WebScriptDebugServer-%@-%d", [processInfo processName], [processInfo processIdentifier]]; |
| |
| serverConnection = [[NSConnection alloc] init]; |
| if ([serverConnection registerName:serverName]) { |
| [serverConnection setRootObject:self]; |
| NSProcessInfo *processInfo = [NSProcessInfo processInfo]; |
| NSDictionary *info = [[NSDictionary alloc] initWithObjectsAndKeys:[processInfo processName], WebScriptDebugServerProcessNameKey, |
| [[NSBundle mainBundle] bundleIdentifier], WebScriptDebugServerProcessBundleIdentifierKey, |
| [NSNumber numberWithInt:[processInfo processIdentifier]], WebScriptDebugServerProcessIdentifierKey, nil]; |
| [[NSDistributedNotificationCenter defaultCenter] postNotificationName:WebScriptDebugServerDidLoadNotification object:serverName userInfo:info]; |
| [info release]; |
| } else { |
| [serverConnection release]; |
| serverConnection = nil; |
| } |
| |
| [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationTerminating:) name:NSApplicationWillTerminateNotification object:nil]; |
| [[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(serverQuery:) name:WebScriptDebugServerQueryNotification object:nil]; |
| |
| listeners = [[NSMutableSet alloc] init]; |
| |
| return self; |
| } |
| |
| - (void)dealloc |
| { |
| // FIXME: Bad to do all this work in dealloc. What about under GC? |
| |
| ASSERT(listenerCount >= [listeners count]); |
| listenerCount -= [listeners count]; |
| if (!listenerCount) |
| [self detachScriptDebuggerFromAllWebViews]; |
| [[NSNotificationCenter defaultCenter] removeObserver:self name:NSApplicationWillTerminateNotification object:nil]; |
| [[NSDistributedNotificationCenter defaultCenter] removeObserver:self name:WebScriptDebugServerQueryNotification object:nil]; |
| [[NSDistributedNotificationCenter defaultCenter] postNotificationName:WebScriptDebugServerWillUnloadNotification object:serverName]; |
| [[NSNotificationCenter defaultCenter] removeObserver:self name:NSConnectionDidDieNotification object:nil]; |
| [serverConnection invalidate]; |
| [serverConnection release]; |
| [serverName release]; |
| [listeners release]; |
| [super dealloc]; |
| } |
| |
| - (void)applicationTerminating:(NSNotification *)notifiction |
| { |
| [[NSDistributedNotificationCenter defaultCenter] postNotificationName:WebScriptDebugServerWillUnloadNotification object:serverName]; |
| } |
| |
| - (void)attachScriptDebuggerToAllWebViews |
| { |
| [WebView _makeAllWebViewsPerformSelector:@selector(_attachScriptDebuggerToAllFrames)]; |
| } |
| |
| - (void)detachScriptDebuggerFromAllWebViews |
| { |
| [WebView _makeAllWebViewsPerformSelector:@selector(_detachScriptDebuggerFromAllFrames)]; |
| } |
| |
| - (void)serverQuery:(NSNotification *)notification |
| { |
| NSProcessInfo *processInfo = [NSProcessInfo processInfo]; |
| NSDictionary *info = [[NSDictionary alloc] initWithObjectsAndKeys:[processInfo processName], WebScriptDebugServerProcessNameKey, |
| [[NSBundle mainBundle] bundleIdentifier], WebScriptDebugServerProcessBundleIdentifierKey, |
| [NSNumber numberWithInt:[processInfo processIdentifier]], WebScriptDebugServerProcessIdentifierKey, nil]; |
| [[NSDistributedNotificationCenter defaultCenter] postNotificationName:WebScriptDebugServerQueryReplyNotification object:serverName userInfo:info]; |
| [info release]; |
| } |
| |
| - (void)listenerConnectionDidDie:(NSNotification *)notification |
| { |
| NSConnection *connection = [notification object]; |
| NSMutableSet *listenersToRemove = [[NSMutableSet alloc] initWithCapacity:[listeners count]]; |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject *listener = nil; |
| |
| [[NSNotificationCenter defaultCenter] removeObserver:self name:NSConnectionDidDieNotification object:connection]; |
| |
| while ((listener = [enumerator nextObject])) |
| if ([[listener connectionForProxy] isEqualTo:connection]) |
| [listenersToRemove addObject:listener]; |
| |
| ASSERT(listenerCount >= [listenersToRemove count]); |
| listenerCount -= [listenersToRemove count]; |
| [listeners minusSet:listenersToRemove]; |
| [listenersToRemove release]; |
| |
| if (!listenerCount) |
| [self detachScriptDebuggerFromAllWebViews]; |
| } |
| |
| - (oneway void)addListener:(id<WebScriptDebugListener>)listener |
| { |
| // can't use isKindOfClass: here because that will send over the wire and not check the proxy object |
| if (!listener || [listener class] != [NSDistantObject class] || ![listener conformsToProtocol:@protocol(WebScriptDebugListener)]) |
| return; |
| listenerCount++; |
| [listeners addObject:listener]; |
| [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(listenerConnectionDidDie:) name:NSConnectionDidDieNotification object:[(NSDistantObject *)listener connectionForProxy]]; |
| if (listenerCount == 1) |
| [self attachScriptDebuggerToAllWebViews]; |
| } |
| |
| - (oneway void)removeListener:(id<WebScriptDebugListener>)listener |
| { |
| if (!listener || ![listeners containsObject:listener]) |
| return; |
| ASSERT(listenerCount >= 1); |
| listenerCount--; |
| [[NSNotificationCenter defaultCenter] removeObserver:self name:NSConnectionDidDieNotification object:[(NSDistantObject *)listener connectionForProxy]]; |
| [listeners removeObject:listener]; |
| if (!listenerCount) |
| [self detachScriptDebuggerFromAllWebViews]; |
| } |
| |
| - (oneway void)step |
| { |
| step = YES; |
| paused = NO; |
| } |
| |
| - (oneway void)pause |
| { |
| paused = YES; |
| step = NO; |
| } |
| |
| - (oneway void)resume |
| { |
| paused = NO; |
| step = NO; |
| } |
| |
| - (oneway BOOL)isPaused |
| { |
| return paused; |
| } |
| |
| - (void)suspendProcessIfPaused |
| { |
| static BOOL alreadyHere = NO; |
| |
| if (alreadyHere) |
| return; |
| |
| alreadyHere = YES; |
| |
| // this method will suspend this process when called during the dubugging callbacks |
| // we need to do this to implement breakpoints and pausing of JavaScript |
| |
| while (paused) |
| [[NSRunLoop currentRunLoop] runMode:NSConnectionReplyMode beforeDate:[NSDate distantFuture]]; |
| |
| if (step) { |
| step = NO; |
| paused = YES; |
| } |
| |
| alreadyHere = NO; |
| } |
| |
| - (void)webView:(WebView *)webView didLoadMainResourceForDataSource:(WebDataSource *)dataSource |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView didLoadMainResourceForDataSource:dataSource]; |
| } |
| |
| inCallback = NO; |
| } |
| |
| - (void)webView:(WebView *)webView didParseSource:(NSString *)source |
| baseLineNumber:(NSUInteger)lineNumber |
| fromURL:(NSURL *)url |
| sourceId:(int)sid |
| forWebFrame:(WebFrame *)webFrame |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView didParseSource:source baseLineNumber:lineNumber fromURL:url sourceId:sid forWebFrame:webFrame]; |
| } |
| |
| inCallback = NO; |
| } |
| |
| - (void)webView:(WebView *)webView failedToParseSource:(NSString *)source |
| baseLineNumber:(NSUInteger)lineNumber |
| fromURL:(NSURL *)url |
| withError:(NSError *)error |
| forWebFrame:(WebFrame *)webFrame |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView failedToParseSource:source baseLineNumber:lineNumber fromURL:url withError:error forWebFrame:webFrame]; |
| } |
| |
| inCallback = NO; |
| } |
| |
| - (void)webView:(WebView *)webView didEnterCallFrame:(WebScriptCallFrame *)frame |
| sourceId:(int)sid |
| line:(int)lineno |
| forWebFrame:(WebFrame *)webFrame |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView didEnterCallFrame:frame sourceId:sid line:lineno forWebFrame:webFrame]; |
| } |
| |
| [self suspendProcessIfPaused]; |
| |
| inCallback = NO; |
| } |
| |
| - (void)webView:(WebView *)webView willExecuteStatement:(WebScriptCallFrame *)frame |
| sourceId:(int)sid |
| line:(int)lineno |
| forWebFrame:(WebFrame *)webFrame |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView willExecuteStatement:frame sourceId:sid line:lineno forWebFrame:webFrame]; |
| } |
| |
| [self suspendProcessIfPaused]; |
| |
| inCallback = NO; |
| } |
| |
| - (void)webView:(WebView *)webView willLeaveCallFrame:(WebScriptCallFrame *)frame |
| sourceId:(int)sid |
| line:(int)lineno |
| forWebFrame:(WebFrame *)webFrame |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView willLeaveCallFrame:frame sourceId:sid line:lineno forWebFrame:webFrame]; |
| } |
| |
| [self suspendProcessIfPaused]; |
| |
| inCallback = NO; |
| } |
| |
| - (void)webView:(WebView *)webView exceptionWasRaised:(WebScriptCallFrame *)frame |
| sourceId:(int)sid |
| line:(int)lineno |
| forWebFrame:(WebFrame *)webFrame |
| { |
| if (![listeners count] || inCallback) |
| return; |
| |
| inCallback = YES; |
| |
| NSEnumerator *enumerator = [listeners objectEnumerator]; |
| NSDistantObject <WebScriptDebugListener> *listener = nil; |
| |
| while ((listener = [enumerator nextObject])) { |
| if ([[listener connectionForProxy] isValid]) |
| [listener webView:webView exceptionWasRaised:frame sourceId:sid line:lineno forWebFrame:webFrame]; |
| } |
| |
| [self suspendProcessIfPaused]; |
| |
| inCallback = NO; |
| } |
| |
| @end |
