blob: 489b48dc71bd0395b72546792ae78435cdd36db6 [file] [log] [blame]
/*
* Copyright (C) 2008-2013 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 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 "WebScriptDebugger.h"
#import "WebDelegateImplementationCaching.h"
#import "WebFrameInternal.h"
#import "WebScriptDebugDelegate.h"
#import "WebViewInternal.h"
#import <JavaScriptCore/Breakpoint.h>
#import <JavaScriptCore/DebuggerCallFrame.h>
#import <JavaScriptCore/JSGlobalObject.h>
#import <JavaScriptCore/SourceProvider.h>
#import <JavaScriptCore/StrongInlines.h>
#import <WebCore/DOMWindow.h>
#import <WebCore/Frame.h>
#import <WebCore/JSDOMWindow.h>
#import <WebCore/ScriptController.h>
#import <wtf/URL.h>
@interface WebScriptCallFrame (WebScriptDebugDelegateInternalForDebugger)
- (WebScriptCallFrame *)_initWithGlobalObject:(WebScriptObject *)globalObj functionName:(String)functionName exceptionValue:(JSC::JSValue)exceptionValue;
@end
static NSString *toNSString(JSC::SourceProvider* sourceProvider)
{
const String& sourceString = sourceProvider->source().toString();
if (sourceString.isEmpty())
return nil;
return sourceString;
}
static WebFrame *toWebFrame(JSC::JSGlobalObject* globalObject)
{
WebCore::JSDOMWindow* window = static_cast<WebCore::JSDOMWindow*>(globalObject);
return kit(window->wrapped().frame());
}
WebScriptDebugger::WebScriptDebugger(JSC::JSGlobalObject* globalObject)
: Debugger(globalObject->vm())
, m_callingDelegate(false)
, m_globalObject(globalObject->vm(), globalObject)
{
setPauseOnAllExceptionsBreakpoint(JSC::Breakpoint::create(JSC::noBreakpointID));
deactivateBreakpoints();
attach(globalObject);
}
// callbacks - relay to delegate
void WebScriptDebugger::sourceParsed(JSC::JSGlobalObject* lexicalGlobalObject, JSC::SourceProvider* sourceProvider, int errorLine, const String& errorMsg)
{
if (m_callingDelegate)
return;
m_callingDelegate = true;
NSString *nsSource = toNSString(sourceProvider);
NSURL *nsURL = sourceProvider->sourceOrigin().url();
int firstLine = sourceProvider->startPosition().m_line.oneBasedInt();
JSC::VM& vm = lexicalGlobalObject->vm();
WebFrame *webFrame = toWebFrame(vm.deprecatedVMEntryGlobalObject(lexicalGlobalObject));
WebView *webView = [webFrame webView];
WebScriptDebugDelegateImplementationCache* implementations = WebViewGetScriptDebugDelegateImplementations(webView);
if (errorLine == -1) {
if (implementations->didParseSourceFunc) {
if (implementations->didParseSourceExpectsBaseLineNumber)
CallScriptDebugDelegate(implementations->didParseSourceFunc, webView, @selector(webView:didParseSource:baseLineNumber:fromURL:sourceId:forWebFrame:), nsSource, firstLine, nsURL, sourceProvider->asID(), webFrame);
else
CallScriptDebugDelegate(implementations->didParseSourceFunc, webView, @selector(webView:didParseSource:fromURL:sourceId:forWebFrame:), nsSource, [nsURL absoluteString], sourceProvider->asID(), webFrame);
}
} else {
NSDictionary *info;
if (errorMsg.isEmpty()) {
info = @{
WebScriptErrorLineNumberKey: @(errorLine),
};
} else {
info = @{
WebScriptErrorDescriptionKey: (NSString *)errorMsg,
WebScriptErrorLineNumberKey: @(errorLine),
};
}
auto error = adoptNS([[NSError alloc] initWithDomain:WebScriptErrorDomain code:WebScriptGeneralErrorCode userInfo:info]);
if (implementations->failedToParseSourceFunc)
CallScriptDebugDelegate(implementations->failedToParseSourceFunc, webView, @selector(webView:failedToParseSource:baseLineNumber:fromURL:withError:forWebFrame:), nsSource, firstLine, nsURL, error.get(), webFrame);
}
m_callingDelegate = false;
}
void WebScriptDebugger::handlePause(JSC::JSGlobalObject* globalObject, Debugger::ReasonForPause reason)
{
if (m_callingDelegate)
return;
if (reason != Debugger::PausedForException)
return;
m_callingDelegate = true;
WebFrame *webFrame = toWebFrame(globalObject);
WebView *webView = [webFrame webView];
JSC::DebuggerCallFrame& debuggerCallFrame = currentDebuggerCallFrame();
JSC::JSValue exceptionValue = currentException();
String functionName = debuggerCallFrame.functionName();
RetainPtr<WebScriptCallFrame> webCallFrame = adoptNS([[WebScriptCallFrame alloc] _initWithGlobalObject:core(webFrame)->script().windowScriptObject() functionName:functionName exceptionValue:exceptionValue]);
WebScriptDebugDelegateImplementationCache* cache = WebViewGetScriptDebugDelegateImplementations(webView);
if (cache->exceptionWasRaisedFunc) {
if (cache->exceptionWasRaisedExpectsHasHandlerFlag) {
bool hasHandler = hasHandlerForExceptionCallback();
CallScriptDebugDelegate(cache->exceptionWasRaisedFunc, webView, @selector(webView:exceptionWasRaised:hasHandler:sourceId:line:forWebFrame:), webCallFrame.get(), hasHandler, debuggerCallFrame.sourceID(), debuggerCallFrame.line(), webFrame);
} else
CallScriptDebugDelegate(cache->exceptionWasRaisedFunc, webView, @selector(webView:exceptionWasRaised:sourceId:line:forWebFrame:), webCallFrame.get(), debuggerCallFrame.sourceID(), debuggerCallFrame.line(), webFrame);
}
m_callingDelegate = false;
}