Implementing console command 'debug'.

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010-2011 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.
@@ skipping 45 matching lines @@
 namespace WebCore {
 
 namespace DebuggerAgentState {
 static const char debuggerEnabled[] = "debuggerEnabled";
 static const char javaScriptBreakpoints[] = "javaScriptBreakopints";
 static const char pauseOnExceptionsState[] = "pauseOnExceptionsState";
 };
 
 const char* InspectorDebuggerAgent::backtraceObjectGroup = "backtrace";
 
+static String generateBreakpointId(const String& scriptId, int lineNumber, int columnNumber, InspectorDebuggerAgent::BreakpointSource source)
+{
+    return scriptId + ':' + String::number(lineNumber) + ':' + String::number(columnNumber) +
+        (source == InspectorDebuggerAgent::UserBreakpointSource ? String() : String(":debug"));
+}
+
 InspectorDebuggerAgent::InspectorDebuggerAgent(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* inspectorState, InjectedScriptManager* injectedScriptManager)
     : InspectorBaseAgent<InspectorDebuggerAgent>("Debugger", instrumentingAgents, inspectorState)
     , m_injectedScriptManager(injectedScriptManager)
     , m_frontend(0)
     , m_pausedScriptState(0)
     , m_javaScriptPauseScheduled(false)
     , m_listener(0)
 {
     // FIXME: make breakReason optional so that there was no need to init it with "other".
     clearBreakDetails();
@@ skipping 160 matching lines @@
         return;
     }
 
     breakpointsCookie->setObject(breakpointId, buildObjectForBreakpointCookie(url, lineNumber, columnNumber, condition, isRegex));
     m_state->setObject(DebuggerAgentState::javaScriptBreakpoints, breakpointsCookie);
 
     ScriptBreakpoint breakpoint(lineNumber, columnNumber, condition);
     for (ScriptsMap::iterator it = m_scripts.begin(); it != m_scripts.end(); ++it) {
         if (!matches(it->value.url, url, isRegex))
             continue;
-        RefPtr<TypeBuilder::Debugger::Location> location = resolveBreakpoint(breakpointId, it->key, breakpoint);
+        RefPtr<TypeBuilder::Debugger::Location> location = resolveBreakpoint(breakpointId, it->key, breakpoint, UserBreakpointSource);
         if (location)
             locations->addItem(location);
     }
     *outBreakpointId = breakpointId;
 }
 
 static bool parseLocation(ErrorString* errorString, RefPtr<InspectorObject> location, String* scriptId, int* lineNumber, int* columnNumber)
 {
     if (!location->getString("scriptId", scriptId) || !location->getNumber("lineNumber", lineNumber)) {
         // FIXME: replace with input validation.
         *errorString = "scriptId and lineNumber are required.";
         return false;
     }
     *columnNumber = 0;
     location->getNumber("columnNumber", columnNumber);
     return true;
 }
 
 void InspectorDebuggerAgent::setBreakpoint(ErrorString* errorString, const RefPtr<InspectorObject>& location, const String* const optionalCondition, TypeBuilder::Debugger::BreakpointId* outBreakpointId, RefPtr<TypeBuilder::Debugger::Location>& actualLocation)
 {
     String scriptId;
     int lineNumber;
     int columnNumber;
 
     if (!parseLocation(errorString, location, &scriptId, &lineNumber, &columnNumber))
         return;
 
     String condition = optionalCondition ? *optionalCondition : emptyString();
 
-    String breakpointId = scriptId + ':' + String::number(lineNumber) + ':' + String::number(columnNumber);
+    String breakpointId = generateBreakpointId(scriptId, lineNumber, columnNumber, UserBreakpointSource);
     if (m_breakpointIdToDebugServerBreakpointIds.find(breakpointId) != m_breakpointIdToDebugServerBreakpointIds.end()) {
         *errorString = "Breakpoint at specified location already exists.";
         return;
     }
     ScriptBreakpoint breakpoint(lineNumber, columnNumber, condition);
-    actualLocation = resolveBreakpoint(breakpointId, scriptId, breakpoint);
+    actualLocation = resolveBreakpoint(breakpointId, scriptId, breakpoint, UserBreakpointSource);
     if (actualLocation)
         *outBreakpointId = breakpointId;
     else
         *errorString = "Could not resolve breakpoint";
 }
 
 void InspectorDebuggerAgent::removeBreakpoint(ErrorString*, const String& breakpointId)
 {
     RefPtr<InspectorObject> breakpointsCookie = m_state->getObject(DebuggerAgentState::javaScriptBreakpoints);
     breakpointsCookie->remove(breakpointId);
     m_state->setObject(DebuggerAgentState::javaScriptBreakpoints, breakpointsCookie);
 
+    removeBreakpoint(breakpointId);
+}
+
+void InspectorDebuggerAgent::removeBreakpoint(const String& breakpointId)
+{
     BreakpointIdToDebugServerBreakpointIdsMap::iterator debugServerBreakpointIdsIterator = m_breakpointIdToDebugServerBreakpointIds.find(breakpointId);
     if (debugServerBreakpointIdsIterator == m_breakpointIdToDebugServerBreakpointIds.end())
         return;
     for (size_t i = 0; i < debugServerBreakpointIdsIterator->value.size(); ++i) {
-        scriptDebugServer().removeBreakpoint(debugServerBreakpointIdsIterator->value[i]);
-        m_serverBreakpointIdToBreakpointId.remove(debugServerBreakpointIdsIterator->value[i]);
+        const String& debugServerBreakpointId = debugServerBreakpointIdsIterator->value[i];
+        scriptDebugServer().removeBreakpoint(debugServerBreakpointId);
+        m_serverBreakpoints.remove(debugServerBreakpointId);
     }
     m_breakpointIdToDebugServerBreakpointIds.remove(debugServerBreakpointIdsIterator);
 }
 
 void InspectorDebuggerAgent::continueToLocation(ErrorString* errorString, const RefPtr<InspectorObject>& location)
 {
     if (!m_continueToLocationBreakpointId.isEmpty()) {
         scriptDebugServer().removeBreakpoint(m_continueToLocationBreakpointId);
         m_continueToLocationBreakpointId = "";
     }
 
     String scriptId;
     int lineNumber;
     int columnNumber;
 
     if (!parseLocation(errorString, location, &scriptId, &lineNumber, &columnNumber))
         return;
 
     ScriptBreakpoint breakpoint(lineNumber, columnNumber, "");
     m_continueToLocationBreakpointId = scriptDebugServer().setBreakpoint(scriptId, breakpoint, &lineNumber, &columnNumber);
     resume(errorString);
 }
 
-PassRefPtr<TypeBuilder::Debugger::Location> InspectorDebuggerAgent::resolveBreakpoint(const String& breakpointId, const String& scriptId, const ScriptBreakpoint& breakpoint)
+PassRefPtr<TypeBuilder::Debugger::Location> InspectorDebuggerAgent::resolveBreakpoint(const String& breakpointId, const String& scriptId, const ScriptBreakpoint& breakpoint, BreakpointSource source)
 {
     ScriptsMap::iterator scriptIterator = m_scripts.find(scriptId);
     if (scriptIterator == m_scripts.end())
         return 0;
     Script& script = scriptIterator->value;
     if (breakpoint.lineNumber < script.startLine || script.endLine < breakpoint.lineNumber)
         return 0;
 
     int actualLineNumber;
     int actualColumnNumber;
     String debugServerBreakpointId = scriptDebugServer().setBreakpoint(scriptId, breakpoint, &actualLineNumber, &actualColumnNumber);
     if (debugServerBreakpointId.isEmpty())
         return 0;
 
-    m_serverBreakpointIdToBreakpointId.set(debugServerBreakpointId, breakpointId);
+    m_serverBreakpoints.set(debugServerBreakpointId, std::make_pair(breakpointId, source));
 
     BreakpointIdToDebugServerBreakpointIdsMap::iterator debugServerBreakpointIdsIterator = m_breakpointIdToDebugServerBreakpointIds.find(breakpointId);
     if (debugServerBreakpointIdsIterator == m_breakpointIdToDebugServerBreakpointIds.end())
         debugServerBreakpointIdsIterator = m_breakpointIdToDebugServerBreakpointIds.set(breakpointId, Vector<String>()).iterator;
     debugServerBreakpointIdsIterator->value.append(debugServerBreakpointId);
 
     RefPtr<TypeBuilder::Debugger::Location> location = TypeBuilder::Debugger::Location::create()
         .setScriptId(scriptId)
         .setLineNumber(actualLineNumber);
     location->setColumnNumber(actualColumnNumber);
@@ skipping 337 matching lines @@
         bool isRegex;
         breakpointObject->getBoolean("isRegex", &isRegex);
         String url;
         breakpointObject->getString("url", &url);
         if (!matches(scriptURL, url, isRegex))
             continue;
         ScriptBreakpoint breakpoint;
         breakpointObject->getNumber("lineNumber", &breakpoint.lineNumber);
         breakpointObject->getNumber("columnNumber", &breakpoint.columnNumber);
         breakpointObject->getString("condition", &breakpoint.condition);
-        RefPtr<TypeBuilder::Debugger::Location> location = resolveBreakpoint(it->key, scriptId, breakpoint);
+        RefPtr<TypeBuilder::Debugger::Location> location = resolveBreakpoint(it->key, scriptId, breakpoint, UserBreakpointSource);
         if (location)
             m_frontend->breakpointResolved(it->key, location);
     }
 }
 
 void InspectorDebuggerAgent::failedToParseSource(const String& url, const String& data, int firstLine, int errorLine, const String& errorMessage)
 {
     m_frontend->scriptFailedToParse(url, data, firstLine, errorLine, errorMessage);
 }
 
 void InspectorDebuggerAgent::didPause(ScriptState* scriptState, const ScriptValue& callFrames, const ScriptValue& exception, const Vector<String>& hitBreakpoints)
 {
     ASSERT(scriptState && !m_pausedScriptState);
     m_pausedScriptState = scriptState;
     m_currentCallStack = callFrames;
 
     if (!exception.hasNoValue()) {
         InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(scriptState);
         if (!injectedScript.hasNoValue()) {
             m_breakReason = InspectorFrontend::Debugger::Reason::Exception;
             m_breakAuxData = injectedScript.wrapObject(exception, "backtrace")->openAccessors();
             // m_breakAuxData might be null after this.
         }
     }
 
     RefPtr<Array<String> > hitBreakpointIds = Array<String>::create();
 
     for (Vector<String>::const_iterator i = hitBreakpoints.begin(); i != hitBreakpoints.end(); ++i) {
-        DebugServerBreakpointIdToBreakpointIdMap::iterator breakpointIterator = m_serverBreakpointIdToBreakpointId.find(*i);
-        if (breakpointIterator != m_serverBreakpointIdToBreakpointId.end())
-            hitBreakpointIds->addItem(breakpointIterator->value);
+        DebugServerBreakpointToBreakpointIdAndSourceMap::iterator breakpointIterator = m_serverBreakpoints.find(*i);
+        if (breakpointIterator != m_serverBreakpoints.end()) {
+            const String& localId = breakpointIterator->value.first;
+            hitBreakpointIds->addItem(localId);
+
+            BreakpointSource source = breakpointIterator->value.second;
+            if (m_breakReason == InspectorFrontend::Debugger::Reason::Other && source == DebugCommandBreakpointSource)
+                m_breakReason = InspectorFrontend::Debugger::Reason::DebugCommand;
+        }
     }
 
     m_frontend->paused(currentCallFrames(), m_breakReason, m_breakAuxData, hitBreakpointIds);
     m_javaScriptPauseScheduled = false;
 
     if (!m_continueToLocationBreakpointId.isEmpty()) {
         scriptDebugServer().removeBreakpoint(m_continueToLocationBreakpointId);
         m_continueToLocationBreakpointId = "";
     }
     if (m_listener)
@@ skipping 59 matching lines @@
 }
 
 void ScriptDebugListener::Script::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::InspectorDebuggerAgent);
     info.addMember(url, "url");
     info.addMember(source, "source");
     info.addMember(sourceMappingURL, "sourceMappingURL");
 }
 
+void InspectorDebuggerAgent::setBreakpoint(const String& scriptId, int lineNumber, int columnNumber, BreakpointSource source)
+{
+    String breakpointId = generateBreakpointId(scriptId, lineNumber, columnNumber, source);
+    ScriptBreakpoint breakpoint(lineNumber, columnNumber, emptyString());

[yurys, 2013/06/07 15:23:29]

Why emptyString(), not simply String()?

[SeRya, 2013/06/07 16:01:00]

Done.

+    resolveBreakpoint(breakpointId, scriptId, breakpoint, source);
+}
+
+void InspectorDebuggerAgent::removeBreakpoint(const String& scriptId, int lineNumber, int columnNumber, BreakpointSource source)
+{
+    removeBreakpoint(generateBreakpointId(scriptId, lineNumber, columnNumber, source));
+}
+
 void InspectorDebuggerAgent::reset()
 {
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
     if (m_frontend)
         m_frontend->globalObjectCleared();
 }
 
 } // namespace WebCore