diff options
Diffstat (limited to 'debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/EventManager.java')
| -rw-r--r-- | debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/EventManager.java | 542 |
1 files changed, 0 insertions, 542 deletions
diff --git a/debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/EventManager.java b/debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/EventManager.java deleted file mode 100644 index 11bdda88bb2..00000000000 --- a/debug/org.eclipse.cdt.debug.mi.core/cdi/org/eclipse/cdt/debug/mi/core/cdi/EventManager.java +++ /dev/null @@ -1,542 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2012 QNX Software Systems and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * QNX Software Systems - Initial API and implementation - *******************************************************************************/ -package org.eclipse.cdt.debug.mi.core.cdi; - -import java.math.BigInteger; -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import java.util.Observable; -import java.util.Observer; - -import org.eclipse.cdt.debug.core.cdi.CDIException; -import org.eclipse.cdt.debug.core.cdi.ICDIEventManager; -import org.eclipse.cdt.debug.core.cdi.event.ICDIEvent; -import org.eclipse.cdt.debug.core.cdi.event.ICDIEventListener; -import org.eclipse.cdt.debug.core.cdi.model.ICDIStackFrame; -import org.eclipse.cdt.debug.mi.core.MIException; -import org.eclipse.cdt.debug.mi.core.MIPlugin; -import org.eclipse.cdt.debug.mi.core.MISession; -import org.eclipse.cdt.debug.mi.core.cdi.event.ChangedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.CreatedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.DestroyedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.DisconnectedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.ExitedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.MemoryChangedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.ResumedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.event.SuspendedEvent; -import org.eclipse.cdt.debug.mi.core.cdi.model.MemoryBlock; -import org.eclipse.cdt.debug.mi.core.cdi.model.Target; -import org.eclipse.cdt.debug.mi.core.cdi.model.Thread; -import org.eclipse.cdt.debug.mi.core.command.Command; -import org.eclipse.cdt.debug.mi.core.command.CommandFactory; -import org.eclipse.cdt.debug.mi.core.command.MIExecContinue; -import org.eclipse.cdt.debug.mi.core.command.MIExecFinish; -import org.eclipse.cdt.debug.mi.core.command.MIStackInfoDepth; -import org.eclipse.cdt.debug.mi.core.command.MIStackSelectFrame; -import org.eclipse.cdt.debug.mi.core.command.MIThreadSelect; -import org.eclipse.cdt.debug.mi.core.event.MIBreakpointChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIBreakpointCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIBreakpointDeletedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MICreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIDestroyedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIDetachedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIEvent; -import org.eclipse.cdt.debug.mi.core.event.MIGDBExitEvent; -import org.eclipse.cdt.debug.mi.core.event.MIInferiorCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIInferiorExitEvent; -import org.eclipse.cdt.debug.mi.core.event.MIInferiorSignalExitEvent; -import org.eclipse.cdt.debug.mi.core.event.MIMemoryChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIMemoryCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIRegisterChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIRegisterCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIRunningEvent; -import org.eclipse.cdt.debug.mi.core.event.MISharedLibChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MISharedLibCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MISharedLibEvent; -import org.eclipse.cdt.debug.mi.core.event.MISharedLibUnloadedEvent; -import org.eclipse.cdt.debug.mi.core.event.MISignalChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIStoppedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIThreadCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIThreadExitEvent; -import org.eclipse.cdt.debug.mi.core.event.MIVarChangedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIVarCreatedEvent; -import org.eclipse.cdt.debug.mi.core.event.MIVarDeletedEvent; -import org.eclipse.cdt.debug.mi.core.output.MIInfo; -import org.eclipse.cdt.debug.mi.core.output.MIStackInfoDepthInfo; - -/** - */ -public class EventManager extends SessionObject implements ICDIEventManager, Observer { - - List list = Collections.synchronizedList(new ArrayList(1)); - MIRunningEvent lastRunningEvent; - Command lastUserCommand = null; - boolean fAllowProcessingEvents = true; - /** - * Process the event from MI, do any state work on the CDI, - * and fire the corresponding CDI event. - */ - @Override - public void update(Observable o, Object arg) { - - MIEvent miEvent = (MIEvent)arg; - Session session = (Session)getSession(); - Target currentTarget = session.getTarget(miEvent.getMISession()); - if (currentTarget == null) { - return; // bailout; this no concern to us. But we should Assert. - } - List cdiList = new ArrayList(1); - - if (miEvent instanceof MIStoppedEvent) { - if (processSuspendedEvent((MIStoppedEvent)miEvent)) { - cdiList.add(new SuspendedEvent(session, miEvent)); - } - } else if (miEvent instanceof MIRunningEvent) { - if (processRunningEvent((MIRunningEvent)miEvent)) - cdiList.add(new ResumedEvent(session, (MIRunningEvent)miEvent)); - } else if (miEvent instanceof MIChangedEvent) { - if (miEvent instanceof MIVarChangedEvent) { - cdiList.add(new ChangedEvent(session, (MIVarChangedEvent)miEvent)); - } else if (miEvent instanceof MIRegisterChangedEvent) { - cdiList.add(new ChangedEvent(session, (MIRegisterChangedEvent)miEvent)); - } else if (miEvent instanceof MIMemoryChangedEvent) { - // We need to fire an event for all the register blocks - // that may contain the modified addresses. - MemoryManager mgr = session.getMemoryManager(); - MemoryBlock[] blocks = mgr.getMemoryBlocks(miEvent.getMISession()); - MIMemoryChangedEvent miMem = (MIMemoryChangedEvent)miEvent; - BigInteger[] addresses = miMem.getAddresses(); - for (int i = 0; i < blocks.length; i++) { - if (blocks[i].contains(addresses) && - (! blocks[i].isFrozen() || blocks[i].isDirty())) { - cdiList.add(new MemoryChangedEvent(session, blocks[i], miMem)); - blocks[i].setDirty(false); - } - } - } else if (miEvent instanceof MIBreakpointChangedEvent) { - MIBreakpointChangedEvent bpoint = (MIBreakpointChangedEvent)miEvent; - if (bpoint.getNumber() > 0) { - cdiList.add(new ChangedEvent(session, bpoint)); - } else { - try { - // Pass the event to access to the event's hint - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=135250 - session.getBreakpointManager().update(currentTarget, miEvent); - } catch (CDIException e) { - } - } - } else if (miEvent instanceof MISharedLibChangedEvent) { - cdiList.add(new ChangedEvent(session, (MISharedLibChangedEvent)miEvent)); - } else if (miEvent instanceof MISignalChangedEvent) { - MISignalChangedEvent sig = (MISignalChangedEvent)miEvent; - String name = sig.getName(); - if (name == null || name.length() == 0) { - // Something change we do not know what - // Let the signal manager handle it with an update(). - try { - SignalManager sMgr = session.getSignalManager(); - sMgr.update(currentTarget); - } catch (CDIException e) { - } - } else { - cdiList.add(new ChangedEvent(session, sig)); - } - } - } else if (miEvent instanceof MIDestroyedEvent) { - if (miEvent instanceof MIThreadExitEvent) { - cdiList.add(new DestroyedEvent(session,(MIThreadExitEvent)miEvent)); - } else if (miEvent instanceof MIInferiorSignalExitEvent) { - cdiList.add(new ExitedEvent(session, (MIInferiorSignalExitEvent)miEvent)); - } else if (miEvent instanceof MIInferiorExitEvent) { - cdiList.add(new ExitedEvent(session, (MIInferiorExitEvent)miEvent)); - } else if (miEvent instanceof MIGDBExitEvent) { - // Remove the target from the list. - Target target = session.getTarget(miEvent.getMISession()); - if (target != null) { - session.removeTargets(new Target[] { target }); - } - cdiList.add(new ExitedEvent(session, (MIGDBExitEvent)miEvent)); - } else if (miEvent instanceof MIDetachedEvent) { - cdiList.add(new DisconnectedEvent(session, (MIDetachedEvent)miEvent)); - } else if (miEvent instanceof MIBreakpointDeletedEvent) { - MIBreakpointDeletedEvent bpoint = (MIBreakpointDeletedEvent)miEvent; - if (bpoint.getNumber() > 0) { - cdiList.add(new DestroyedEvent(session, bpoint)); - } else { - // Something was deleted we do not know what - // Let the breakpoint manager handle it with an update(). - try { - session.getBreakpointManager().update(currentTarget); - } catch (CDIException e) { - } - } - } else if (miEvent instanceof MISharedLibUnloadedEvent) { - processSharedLibUnloadedEvent((MISharedLibUnloadedEvent)miEvent); - cdiList.add(new DestroyedEvent(session, (MISharedLibUnloadedEvent)miEvent)); - } else if (miEvent instanceof MIVarDeletedEvent) { - cdiList.add(new DestroyedEvent(session, (MIVarDeletedEvent)miEvent)); - } - } else if (miEvent instanceof MICreatedEvent) { - if (miEvent instanceof MIBreakpointCreatedEvent) { - MIBreakpointCreatedEvent bpoint = (MIBreakpointCreatedEvent)miEvent; - if (bpoint.getNumber() > 0) { - cdiList.add(new CreatedEvent(session, bpoint)); - } else { - // Something created we do not know what - // Let the breakpoint manager handle it with an update(). - try { - session.getBreakpointManager().update(currentTarget); - } catch (CDIException e) { - } - } - } else if (miEvent instanceof MIVarCreatedEvent) { - cdiList.add(new CreatedEvent(session, (MIVarCreatedEvent)miEvent)); - } else if (miEvent instanceof MIRegisterCreatedEvent) { - cdiList.add(new CreatedEvent(session, (MIRegisterCreatedEvent)miEvent)); - } else if (miEvent instanceof MIThreadCreatedEvent) { - cdiList.add(new CreatedEvent(session, (MIThreadCreatedEvent)miEvent)); - } else if (miEvent instanceof MIMemoryCreatedEvent) { - cdiList.add(new CreatedEvent(session, (MIMemoryCreatedEvent)miEvent)); - } else if (miEvent instanceof MISharedLibCreatedEvent) { - cdiList.add(new CreatedEvent(session, (MISharedLibCreatedEvent)miEvent)); - } else if (miEvent instanceof MIInferiorCreatedEvent) { - cdiList.add(new CreatedEvent(session, (MIInferiorCreatedEvent)miEvent)); - } - } - - // Fire the event; - ICDIEvent[] cdiEvents = (ICDIEvent[])cdiList.toArray(new ICDIEvent[0]); - fireEvents(cdiEvents); - } - - public EventManager(Session session) { - super(session); - } - - /** - * @see org.eclipse.cdt.debug.core.cdi.ICDIEventManager#addEventListener(ICDIEventListener) - */ - @Override - public void addEventListener(ICDIEventListener listener) { - list.add(listener); - } - - /** - * @see org.eclipse.cdt.debug.core.cdi.ICDIEventManager#removeEventListener(ICDIEventListener) - */ - @Override - public void removeEventListener(ICDIEventListener listener) { - list.remove(listener); - } - - public void removeEventListeners() { - list.clear(); - } - - /** - * Send ICDIEvent to the listeners. - */ - public void fireEvents(ICDIEvent[] cdiEvents) { - if (cdiEvents != null && cdiEvents.length > 0) { - ICDIEventListener[] listeners = (ICDIEventListener[])list.toArray(new ICDIEventListener[0]); - for (int i = 0; i < listeners.length; i++) { - listeners[i].handleDebugEvents(cdiEvents); - } - } - } - - /** - * When suspended arrives, reset managers and target. - * Alse the variable and the memory needs to be updated and events - * fired for changes. - */ - boolean processSuspendedEvent(MIStoppedEvent stopped) { - Session session = (Session)getSession(); - MISession miSession = stopped.getMISession(); - Target currentTarget = session.getTarget(miSession); - currentTarget.setSupended(true); - - // Bailout early if we do not want to process any events. - if (!isAllowingProcessingEvents()) { - return false; - } - - - if (processSharedLibEvent(stopped)) { - // Event was consumed by the shared lib processing bailout - return false; - } - - if (processBreakpointHitEvent(stopped)) { - // Event was consumed, i.e. it was not the right exception. - return false; - } - - int threadId = stopped.getThreadId(); - currentTarget.updateState(threadId); - try { - Thread cthread = (Thread)currentTarget.getCurrentThread(); - if (cthread != null) { - cthread.getCurrentStackFrame(); - } else { - return true; - } - } catch (CDIException e1) { - //e1.printStackTrace(); - return true; - } - - // Update the managers. - // For the Variable/Expression Managers call only the updateManager. - VariableManager varMgr = session.getVariableManager(); - ExpressionManager expMgr = session.getExpressionManager(); - RegisterManager regMgr = session.getRegisterManager(); - MemoryManager memMgr = session.getMemoryManager(); - BreakpointManager bpMgr = session.getBreakpointManager(); - SignalManager sigMgr = session.getSignalManager(); - SourceManager srcMgr = session.getSourceManager(); - SharedLibraryManager libMgr = session.getSharedLibraryManager(); - try { - if (varMgr.isAutoUpdate()) { - varMgr.update(currentTarget); - } - if (expMgr.isAutoUpdate()) { - expMgr.update(currentTarget); - } - if (regMgr.isAutoUpdate()) { - regMgr.update(currentTarget); - } - if (memMgr.isAutoUpdate()) { - memMgr.update(currentTarget); - } - if (bpMgr.isAutoUpdate()) { - bpMgr.update(currentTarget); - } - if (sigMgr.isAutoUpdate()) { - sigMgr.update(currentTarget); - } - if (libMgr.isAutoUpdate()) { - libMgr.update(currentTarget); - } - if (srcMgr.isAutoUpdate()) { - srcMgr.update(currentTarget); - } - } catch (CDIException e) { - // Something went wrong => preventing updates to the model, this is serious - MIPlugin.log(e); - } - return true; - } - - /** - * When a shared library is unloading we could possibly have stale libraries. - * GDB does no react well to this: see PR - * https://bugs.eclipse.org/bugs/show_bug.cgi?id=74496 - * @param unLoaded - * @return - */ - boolean processSharedLibUnloadedEvent(MISharedLibUnloadedEvent unLoaded) { - Session session = (Session)getSession(); - MISession miSession = unLoaded.getMISession(); - Target target = session.getTarget(miSession); - - // We do not need to do fancy checking we can just delete all - // the expression variable and let UI recreate them by reevaluating. - ExpressionManager expMgr = session.getExpressionManager(); - try { - expMgr.deleteAllVariables(target); - } catch (CDIException e) { - } - - return false; - } - - /** - * If the deferredBreakpoint processing is set - * catch the shared-lib-event go to the last known - * stackframe and try to finish. - * Save the last user command and issue it again. - * @param stopped - * @return - */ - boolean processSharedLibEvent(MIStoppedEvent stopped) { - Session session = (Session)getSession(); - MISession miSession = stopped.getMISession(); - - Target currentTarget = session.getTarget(miSession); - SharedLibraryManager mgr = session.getSharedLibraryManager(); - - if (mgr.isDeferredBreakpoint(currentTarget)) { - if (stopped instanceof MISharedLibEvent) { - // Check if we have a new library loaded - try { - mgr.update(currentTarget); - } catch (CDIException e3) { - } - CommandFactory factory = miSession.getCommandFactory(); - int type = (lastRunningEvent == null) ? MIRunningEvent.CONTINUE : lastRunningEvent.getType(); - if (lastUserCommand == null) { - switch (type) { - case MIRunningEvent.NEXT: - lastUserCommand = factory.createMIExecNext(1); - break; - case MIRunningEvent.NEXTI: - lastUserCommand = factory.createMIExecNextInstruction(1); - break; - case MIRunningEvent.STEP: - lastUserCommand = factory.createMIExecStep(1); - break; - case MIRunningEvent.STEPI: - lastUserCommand = factory.createMIExecStepInstruction(1); - break; - case MIRunningEvent.FINISH: - lastUserCommand = factory.createMIExecFinish(); - break; - case MIRunningEvent.RETURN: - lastUserCommand = factory.createMIExecReturn(); - break; - case MIRunningEvent.CONTINUE: { - MIExecContinue cont = factory.createMIExecContinue(); - cont.setQuiet(true); - try { - miSession.postCommand(cont); - MIInfo info = cont.getMIInfo(); - if (info == null) { - // throw new CDIException("Target is not responding"); - } - } catch (MIException e) { - // throw new MI2CDIException(e); - } - return true; // for the continue bailout early no need to the stuff below - } - } - } - - int miLevel = 0; - int tid = 0; - Thread currentThread = null; - try { - currentThread = (Thread)currentTarget.getCurrentThread(); - } catch (CDIException e1) { - } - tid = currentThread.getId(); - // Select the old thread now. - if (tid > 0) { - MIThreadSelect selectThread = factory.createMIThreadSelect(tid); - try { - miSession.postCommand(selectThread); - } catch (MIException e) { - // ignore - } - } - ICDIStackFrame frame = null; - try { - frame = currentThread.getCurrentStackFrame(); - } catch (CDIException e2) { - } - int count = 0; - try { - MIStackInfoDepth depth = factory.createMIStackInfoDepth(); - miSession.postCommand(depth); - MIStackInfoDepthInfo info = depth.getMIStackInfoDepthInfo(); - if (info == null) { - //throw new CDIException("No answer"); - } - count = info.getDepth(); - } catch (MIException e) { - //throw new MI2CDIException(e); - //System.out.println(e); - } - if (frame != null) { - // Fortunately the ICDIStackFrame store the level - // in ascending level the higher the stack the higher the level - // GDB does the opposite the highest stack is 0. - // This allow us to do some calculation, in figure out the - // level of the old stack. The -1 is because gdb level is zero-based - miLevel = count - frame.getLevel() - 1; - } - if (miLevel >= 0) { - MIStackSelectFrame selectFrame = factory.createMIStackSelectFrame(miLevel); - MIExecFinish finish = factory.createMIExecFinish(); - finish.setQuiet(true); - try { - miSession.postCommand(selectFrame); - miSession.postCommand(finish); - } catch (MIException e) { - // ignore - } - } else { - // if we are still at the same level in the backtrace - // for example the StopEventLib was on a different thread - // redo the last command. - Command cmd = lastUserCommand; - cmd.setQuiet(true); - lastUserCommand = null; - try { - miSession.postCommand(cmd); - } catch (MIException e) { - // ignore - } - } - return true; - } else if (lastUserCommand != null) { - Command cmd = lastUserCommand; - cmd.setQuiet(true); - lastUserCommand = null; - try { - miSession.postCommand(cmd); - } catch (MIException e) { - } - return true; - } - } - return false; - } - - boolean processBreakpointHitEvent(MIStoppedEvent stopped) { -// Session session = (Session)getSession(); -// if (stopped instanceof MIBreakpointHitEvent) { -// MIBreakpointHitEvent bpEvent = (MIBreakpointHitEvent)stopped; -// BreakpointManager bpMgr = session.getBreakpointManager(); -// int bpNo = bpEvent.getNumber(); -// } - return false; - } - - /** - * Do any processing of before a running event. - */ - boolean processRunningEvent(MIRunningEvent running) { - lastRunningEvent = running; - - Session session = (Session)getSession(); - MISession miSession = running.getMISession(); - Target currentTarget = session.getTarget(miSession); - currentTarget.setSupended(false); - - // Bailout early if we do not want to process any events. - if (!isAllowingProcessingEvents() || !running.propagate()) { - return false; - } - - return true; - } - - public boolean isAllowingProcessingEvents() { - return fAllowProcessingEvents; - } - - public void allowProcessingEvents(boolean allowed) { - fAllowProcessingEvents = allowed; - } -} |