Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 263 insertions, 0 deletions

diff --git a/Source/WebCore/inspector/InspectorDebuggerAgent.cpp b/Source/WebCore/inspector/InspectorDebuggerAgent.cpp
new file mode 100644
index 0000000..0046989
--- /dev/null
+++ b/Source/WebCore/inspector/InspectorDebuggerAgent.cpp
@@ -0,0 +1,263 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 Google 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 "InspectorDebuggerAgent.h"
+
+#if ENABLE(JAVASCRIPT_DEBUGGER) && ENABLE(INSPECTOR)
+#include "InjectedScript.h"
+#include "InjectedScriptHost.h"
+#include "InspectorFrontend.h"
+#include "InspectorValues.h"
+#include "PlatformString.h"
+#include "ScriptDebugServer.h"
+
+namespace WebCore {
+
+PassOwnPtr<InspectorDebuggerAgent> InspectorDebuggerAgent::create(InspectorController* inspectorController, InspectorFrontend* frontend)
+{
+    OwnPtr<InspectorDebuggerAgent> agent = adoptPtr(new InspectorDebuggerAgent(inspectorController, frontend));
+    ScriptDebugServer::shared().clearBreakpoints();
+    // FIXME(WK44513): breakpoints activated flag should be synchronized between all front-ends
+    ScriptDebugServer::shared().setBreakpointsActivated(true);
+    ScriptDebugServer::shared().addListener(agent.get(), inspectorController->inspectedPage());
+    return agent.release();
+}
+
+InspectorDebuggerAgent::InspectorDebuggerAgent(InspectorController* inspectorController, InspectorFrontend* frontend)
+    : m_inspectorController(inspectorController)
+    , m_frontend(frontend)
+    , m_pausedScriptState(0)
+    , m_javaScriptPauseScheduled(false)
+{
+}
+
+InspectorDebuggerAgent::~InspectorDebuggerAgent()
+{
+    ScriptDebugServer::shared().removeListener(this, m_inspectorController->inspectedPage());
+    m_pausedScriptState = 0;
+}
+
+bool InspectorDebuggerAgent::isDebuggerAlwaysEnabled()
+{
+    return ScriptDebugServer::shared().isDebuggerAlwaysEnabled();
+}
+
+void InspectorDebuggerAgent::activateBreakpoints()
+{
+    ScriptDebugServer::shared().activateBreakpoints();
+}
+
+void InspectorDebuggerAgent::deactivateBreakpoints()
+{
+    ScriptDebugServer::shared().deactivateBreakpoints();
+}
+
+void InspectorDebuggerAgent::setStickyBreakpoint(const String& url, unsigned lineNumber, const String& condition, bool enabled)
+{
+    HashMap<String, ScriptBreakpoints>::iterator it = m_stickyBreakpoints.find(url);
+    if (it == m_stickyBreakpoints.end())
+        it = m_stickyBreakpoints.set(url, ScriptBreakpoints()).first;
+    it->second.set(lineNumber, Breakpoint(condition, enabled));
+
+    URLToSourceIDsMap::iterator urlToSourceIDsIterator = m_urlToSourceIDs.find(url);
+    if (urlToSourceIDsIterator == m_urlToSourceIDs.end())
+        return;
+    const Vector<String>& sourceIDs = urlToSourceIDsIterator->second;
+    for (size_t i = 0; i < sourceIDs.size(); ++i)
+        restoreBreakpoint(sourceIDs[i], lineNumber, condition, enabled);
+}
+
+void InspectorDebuggerAgent::setBreakpoint(const String& sourceID, unsigned lineNumber, const String& condition, bool enabled, String* breakpointId, unsigned int* actualLineNumber)
+{
+    *breakpointId = ScriptDebugServer::shared().setBreakpoint(sourceID, lineNumber, condition, enabled, actualLineNumber);
+}
+
+void InspectorDebuggerAgent::removeBreakpoint(const String& breakpointId)
+{
+    ScriptDebugServer::shared().removeBreakpoint(breakpointId);
+}
+
+void InspectorDebuggerAgent::restoreBreakpoint(const String& sourceID, unsigned lineNumber, const String& condition, bool enabled)
+{
+    unsigned actualLineNumber = 0;
+    String breakpointId = ScriptDebugServer::shared().setBreakpoint(sourceID, lineNumber, condition, enabled, &actualLineNumber);
+    if (!breakpointId.isEmpty())
+        m_frontend->breakpointResolved(breakpointId, sourceID, actualLineNumber, condition, enabled, lineNumber);
+}
+
+void InspectorDebuggerAgent::editScriptSource(const String& sourceID, const String& newContent, bool* success, String* result, RefPtr<InspectorValue>* newCallFrames)
+{
+    if ((*success = ScriptDebugServer::shared().editScriptSource(sourceID, newContent, *result)))
+        *newCallFrames = currentCallFrames();
+}
+
+void InspectorDebuggerAgent::getScriptSource(const String& sourceID, String* scriptSource)
+{
+    *scriptSource = m_scriptIDToContent.get(sourceID);
+}
+
+void InspectorDebuggerAgent::schedulePauseOnNextStatement(DebuggerEventType type, PassRefPtr<InspectorValue> data)
+{
+    if (m_javaScriptPauseScheduled)
+        return;
+    m_breakProgramDetails = InspectorObject::create();
+    m_breakProgramDetails->setNumber("eventType", type);
+    m_breakProgramDetails->setValue("eventData", data);
+    ScriptDebugServer::shared().setPauseOnNextStatement(true);
+}
+
+void InspectorDebuggerAgent::cancelPauseOnNextStatement()
+{
+    if (m_javaScriptPauseScheduled)
+        return;
+    m_breakProgramDetails = 0;
+    ScriptDebugServer::shared().setPauseOnNextStatement(false);
+}
+
+void InspectorDebuggerAgent::pause()
+{
+    schedulePauseOnNextStatement(JavaScriptPauseEventType, InspectorObject::create());
+    m_javaScriptPauseScheduled = true;
+}
+
+void InspectorDebuggerAgent::resume()
+{
+    ScriptDebugServer::shared().continueProgram();
+}
+
+void InspectorDebuggerAgent::stepOverStatement()
+{
+    ScriptDebugServer::shared().stepOverStatement();
+}
+
+void InspectorDebuggerAgent::stepIntoStatement()
+{
+    ScriptDebugServer::shared().stepIntoStatement();
+}
+
+void InspectorDebuggerAgent::stepOutOfFunction()
+{
+    ScriptDebugServer::shared().stepOutOfFunction();
+}
+
+void InspectorDebuggerAgent::setPauseOnExceptionsState(long pauseState, long* newState)
+{
+    ScriptDebugServer::shared().setPauseOnExceptionsState(static_cast<ScriptDebugServer::PauseOnExceptionsState>(pauseState));
+    *newState = ScriptDebugServer::shared().pauseOnExceptionsState();
+}
+
+long InspectorDebuggerAgent::pauseOnExceptionsState()
+{
+    return ScriptDebugServer::shared().pauseOnExceptionsState();
+}
+
+void InspectorDebuggerAgent::clearForPageNavigation()
+{
+    m_scriptIDToContent.clear();
+    m_urlToSourceIDs.clear();
+    m_stickyBreakpoints.clear();
+}
+
+PassRefPtr<InspectorValue> InspectorDebuggerAgent::currentCallFrames()
+{
+    if (!m_pausedScriptState)
+        return InspectorValue::null();
+    InjectedScript injectedScript = m_inspectorController->injectedScriptHost()->injectedScriptFor(m_pausedScriptState);
+    if (injectedScript.hasNoValue()) {
+        ASSERT_NOT_REACHED();
+        return InspectorValue::null();
+    }
+    return injectedScript.callFrames();
+}
+
+// JavaScriptDebugListener functions
+
+void InspectorDebuggerAgent::didParseSource(const String& sourceID, const String& url, const String& data, int firstLine, ScriptWorldType worldType)
+{
+    // Don't send script content to the front end until it's really needed.
+    m_frontend->parsedScriptSource(sourceID, url, "", firstLine, worldType);
+
+    m_scriptIDToContent.set(sourceID, data);
+
+    if (url.isEmpty())
+        return;
+
+    URLToSourceIDsMap::iterator urlToSourceIDsIterator = m_urlToSourceIDs.find(url);
+    if (urlToSourceIDsIterator == m_urlToSourceIDs.end())
+        urlToSourceIDsIterator = m_urlToSourceIDs.set(url, Vector<String>()).first;
+    urlToSourceIDsIterator->second.append(sourceID);
+
+    HashMap<String, ScriptBreakpoints>::iterator stickyBreakpointsIterator = m_stickyBreakpoints.find(url);
+    if (stickyBreakpointsIterator == m_stickyBreakpoints.end())
+        return;
+
+    const ScriptBreakpoints& breakpoints = stickyBreakpointsIterator->second;
+    for (ScriptBreakpoints::const_iterator it = breakpoints.begin(); it != breakpoints.end(); ++it) {
+        const Breakpoint& breakpoint = it->second;
+        restoreBreakpoint(sourceID, it->first, breakpoint.first, breakpoint.second);
+    }
+}
+
+void InspectorDebuggerAgent::failedToParseSource(const String& url, const String& data, int firstLine, int errorLine, const String& errorMessage)
+{
+    m_frontend->failedToParseScriptSource(url, data, firstLine, errorLine, errorMessage);
+}
+
+void InspectorDebuggerAgent::didPause(ScriptState* scriptState)
+{
+    ASSERT(scriptState && !m_pausedScriptState);
+    m_pausedScriptState = scriptState;
+
+    if (!m_breakProgramDetails)
+        m_breakProgramDetails = InspectorObject::create();
+    m_breakProgramDetails->setValue("callFrames", currentCallFrames());
+
+    m_frontend->pausedScript(m_breakProgramDetails);
+    m_javaScriptPauseScheduled = false;
+}
+
+void InspectorDebuggerAgent::didContinue()
+{
+    m_pausedScriptState = 0;
+    m_breakProgramDetails = 0;
+    m_frontend->resumedScript();
+}
+
+void InspectorDebuggerAgent::breakProgram(DebuggerEventType type, PassRefPtr<InspectorValue> data)
+{
+    m_breakProgramDetails = InspectorObject::create();
+    m_breakProgramDetails->setNumber("eventType", type);
+    m_breakProgramDetails->setValue("eventData", data);
+    ScriptDebugServer::shared().breakProgram();
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(JAVASCRIPT_DEBUGGER) && ENABLE(INSPECTOR)