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/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include "Debugger.h"
#include "CollectorHeapIterator.h"
#include "Error.h"
#include "Interpreter.h"
#include "JSFunction.h"
#include "JSGlobalObject.h"
#include "Parser.h"
#include "Protect.h"
namespace JSC {
Debugger::~Debugger()
{
HashSet<JSGlobalObject*>::iterator end = m_globalObjects.end();
for (HashSet<JSGlobalObject*>::iterator it = m_globalObjects.begin(); it != end; ++it)
(*it)->setDebugger(0);
}
void Debugger::attach(JSGlobalObject* globalObject)
{
ASSERT(!globalObject->debugger());
globalObject->setDebugger(this);
m_globalObjects.add(globalObject);
}
void Debugger::detach(JSGlobalObject* globalObject)
{
ASSERT(m_globalObjects.contains(globalObject));
m_globalObjects.remove(globalObject);
globalObject->setDebugger(0);
}
void Debugger::recompileAllJSFunctions(JSGlobalData* globalData)
{
// If JavaScript is running, it's not safe to recompile, since we'll end
// up throwing away code that is live on the stack.
ASSERT(!globalData->dynamicGlobalObject);
if (globalData->dynamicGlobalObject)
return;
typedef HashSet<FunctionExecutable*> FunctionExecutableSet;
typedef HashMap<SourceProvider*, ExecState*> SourceProviderMap;
FunctionExecutableSet functionExecutables;
SourceProviderMap sourceProviders;
LiveObjectIterator it = globalData->heap.primaryHeapBegin();
LiveObjectIterator heapEnd = globalData->heap.primaryHeapEnd();
for ( ; it != heapEnd; ++it) {
if (!(*it)->inherits(&JSFunction::info))
continue;
JSFunction* function = asFunction(*it);
if (function->executable()->isHostFunction())
continue;
FunctionExecutable* executable = function->jsExecutable();
// Check if the function is already in the set - if so,
// we've already retranslated it, nothing to do here.
if (!functionExecutables.add(executable).second)
continue;
ExecState* exec = function->scope().globalObject()->JSGlobalObject::globalExec();
executable->discardCode();
if (function->scope().globalObject()->debugger() == this)
sourceProviders.add(executable->source().provider(), exec);
}
// Call sourceParsed() after reparsing all functions because it will execute
// JavaScript in the inspector.
SourceProviderMap::const_iterator end = sourceProviders.end();
for (SourceProviderMap::const_iterator iter = sourceProviders.begin(); iter != end; ++iter)
sourceParsed(iter->second, SourceCode(iter->first), -1, UString());
}
JSValue evaluateInGlobalCallFrame(const UString& script, JSValue& exception, JSGlobalObject* globalObject)
{
CallFrame* globalCallFrame = globalObject->globalExec();
RefPtr<EvalExecutable> eval = EvalExecutable::create(globalCallFrame, makeSource(script), false);
JSObject* error = eval->compile(globalCallFrame, globalCallFrame->scopeChain());
if (error)
return error;
JSGlobalData& globalData = globalObject->globalData();
JSValue result = globalData.interpreter->execute(eval.get(), globalCallFrame, globalObject, globalCallFrame->scopeChain());
if (globalData.exception) {
exception = globalData.exception;
globalData.exception = JSValue();
}
ASSERT(result);
return result;
}
} // namespace JSC
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