Code drop from //branches/cupcake/...@124589

4 files changed, 262 insertions, 0 deletions

diff --git a/JavaScriptCore/debugger/Debugger.cpp b/JavaScriptCore/debugger/Debugger.cpp
new file mode 100644
index 0000000..a52a542
--- /dev/null
+++ b/JavaScriptCore/debugger/Debugger.cpp
@@ -0,0 +1,54 @@
+/*
+ *  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 "JSGlobalObject.h"
+
+namespace JSC {
+
+Debugger::Debugger()
+{
+}
+
+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);
+}
+
+} // namespace JSC
diff --git a/JavaScriptCore/debugger/Debugger.h b/JavaScriptCore/debugger/Debugger.h
new file mode 100644
index 0000000..4a6a9b3
--- /dev/null
+++ b/JavaScriptCore/debugger/Debugger.h
@@ -0,0 +1,59 @@
+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ *  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
+ *
+ */
+
+#ifndef Debugger_h
+#define Debugger_h
+
+#include "protect.h"
+
+namespace JSC {
+
+    class DebuggerCallFrame;
+    class ExecState;
+    class JSGlobalObject;
+    class SourceCode;
+    class UString;
+
+    class Debugger {
+    public:
+        Debugger();
+        virtual ~Debugger();
+
+        void attach(JSGlobalObject*);
+        void detach(JSGlobalObject*);
+
+        virtual void sourceParsed(ExecState*, const SourceCode&, int errorLine, const UString& errorMsg) = 0;
+        virtual void exception(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+        virtual void atStatement(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+        virtual void callEvent(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+        virtual void returnEvent(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+
+        virtual void willExecuteProgram(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+        virtual void didExecuteProgram(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+        virtual void didReachBreakpoint(const DebuggerCallFrame&, intptr_t sourceID, int lineno) = 0;
+
+    private:
+        HashSet<JSGlobalObject*> m_globalObjects;
+    };
+
+} // namespace JSC
+
+#endif // Debugger_h
diff --git a/JavaScriptCore/debugger/DebuggerCallFrame.cpp b/JavaScriptCore/debugger/DebuggerCallFrame.cpp
new file mode 100644
index 0000000..ae62cd3
--- /dev/null
+++ b/JavaScriptCore/debugger/DebuggerCallFrame.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+
+#include "config.h"
+#include "DebuggerCallFrame.h"
+
+#include "JSFunction.h"
+#include "CodeBlock.h"
+#include "Machine.h"
+#include "Parser.h"
+
+namespace JSC {
+
+const UString* DebuggerCallFrame::functionName() const
+{
+    if (!m_callFrame->codeBlock())
+        return 0;
+
+    JSFunction* function = static_cast<JSFunction*>(m_callFrame->callee());
+    if (!function)
+        return 0;
+    return &function->name(&m_callFrame->globalData());
+}
+
+DebuggerCallFrame::Type DebuggerCallFrame::type() const
+{
+    if (m_callFrame->callee())
+        return FunctionType;
+
+    return ProgramType;
+}
+
+JSObject* DebuggerCallFrame::thisObject() const
+{
+    if (!m_callFrame->codeBlock())
+        return 0;
+
+    // FIXME: Why is it safe to assume this is an object?
+    return asObject(m_callFrame->thisValue());
+}
+
+JSValue* DebuggerCallFrame::evaluate(const UString& script, JSValue*& exception) const
+{
+    if (!m_callFrame->codeBlock())
+        return noValue();
+
+    int errLine;
+    UString errMsg;
+    SourceCode source = makeSource(script);
+    RefPtr<EvalNode> evalNode = m_callFrame->scopeChain()->globalData->parser->parse<EvalNode>(m_callFrame, m_callFrame->dynamicGlobalObject()->debugger(), source, &errLine, &errMsg);
+    if (!evalNode)
+        return Error::create(m_callFrame, SyntaxError, errMsg, errLine, source.provider()->asID(), source.provider()->url());
+
+    return m_callFrame->scopeChain()->globalData->machine->execute(evalNode.get(), m_callFrame, thisObject(), m_callFrame->scopeChain(), &exception);
+}
+
+} // namespace JSC
diff --git a/JavaScriptCore/debugger/DebuggerCallFrame.h b/JavaScriptCore/debugger/DebuggerCallFrame.h
new file mode 100644
index 0000000..8326b20
--- /dev/null
+++ b/JavaScriptCore/debugger/DebuggerCallFrame.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+ 
+#ifndef DebuggerCallFrame_h
+#define DebuggerCallFrame_h
+
+#include "ExecState.h"
+
+namespace JSC {
+    
+    class DebuggerCallFrame {
+    public:
+        enum Type { ProgramType, FunctionType };
+
+        DebuggerCallFrame(CallFrame* callFrame)
+            : m_callFrame(callFrame)
+            , m_exception(noValue())
+        {
+        }
+
+        DebuggerCallFrame(CallFrame* callFrame, JSValue* exception)
+            : m_callFrame(callFrame)
+            , m_exception(exception)
+        {
+        }
+
+        JSGlobalObject* dynamicGlobalObject() const { return m_callFrame->dynamicGlobalObject(); }
+        const ScopeChainNode* scopeChain() const { return m_callFrame->scopeChain(); }
+        const UString* functionName() const;
+        Type type() const;
+        JSObject* thisObject() const;
+        JSValue* evaluate(const UString&, JSValue*& exception) const;
+        JSValue* exception() const { return m_exception; }
+
+    private:
+        CallFrame* m_callFrame;
+        JSValue* m_exception;
+    };
+
+} // namespace JSC
+
+#endif // DebuggerCallFrame_h