Examples of org.openquark.cal.internal.runtime.ExecutionContextImpl$SuspensionState

Package org.openquark.cal.internal.runtime

Examples of org.openquark.cal.internal.runtime.ExecutionContextImpl$SuspensionState

org.openquark.cal.internal.runtime.ExecutionContextImpl
Description of the state of a CAL program at the point that suspension was initiated. @author RCypher

        
        return runThread.getError() == null;
    }
    
    private boolean command_resumeCurrentThread(boolean shouldStepThread) {
        ExecutionContextImpl ec = getExecutionContext();
        
        // If we're not suspended we can't resume.
        if (!ec.hasSuspendedThreads()) {
            iceLogger.log(Level.INFO, "There is no CAL program currently suspended.");
            return true;
        }
        
        final Set<Thread> suspendedThreads = ec.getThreadSuspensions().keySet();
        final Thread currentSuspendedThread = getDebugController().getCurrentSuspendedThread();
        if (!suspendedThreads.contains(currentSuspendedThread)) {
            iceLogger.log(Level.INFO, "The current thread is no longer suspended. Change to another thread.");
            return true;
        }
        
        if (shouldStepThread) {
            ec.addThreadToBeStepped(currentSuspendedThread);
        } else {
            ec.removeThreadToBeStepped(currentSuspendedThread);            
        }
        
        iceLogger.log(Level.INFO, "Resuming execution of: " + lastCode + " on thread: " + currentSuspendedThread.getName());
        
        // Start an interrupt monitor.  This checks the input stream and sets
        // the runThread halt flag if any input is detected while the CAL
        // program is executing.
        InterruptMonitor im = new InterruptMonitor (runThread);
        im.start();


        // Figure out whether we should block, or switch to another thread as the current suspended thread
        suspendedThreads.remove(currentSuspendedThread);
        
        // Tell the execution context that it is time to resume.
        if (suspendedThreads.isEmpty()) {
            getDebugController().setShouldBlockUI(true);
            ec.resumeThread(currentSuspendedThread);
            getDebugController().blockUntilCompletionOrInterruption();
            
        } else if (shouldStepThread) {
            // since we are stepping, we would like to block the UI until the next interruption (hopefully it's the thread being stepped)
            getDebugController().setShouldBlockUI(true);
            ec.resumeThread(currentSuspendedThread);
            getDebugController().blockUntilCompletionOrInterruption();
            
        } else {
            ec.resumeThread(currentSuspendedThread);
            // if the thread is getting resumed without stepping, choose another current thread
            getDebugController().setCurrentSuspendedThread(suspendedThreads.iterator().next());
        }
        
        // Shut down the interrupt monitor.

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    /**
     * Shows the currently suspended threads.
     */
    private void command_showSuspendedThreads() {
        ExecutionContextImpl ec = getExecutionContext();
        
        Map<Thread, SuspensionState> suspensions = ec.getThreadSuspensions();
        
        SortedMap<Long, Thread> threads = new TreeMap<Long, Thread>();
        for (final Thread thread : suspensions.keySet()) {
            threads.put(Long.valueOf(thread.getId()), thread);
        }

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        } catch (NumberFormatException e) {
            iceLogger.log(Level.INFO, "Invalid thread ID: " + arg);
            return;
        }
        
        ExecutionContextImpl ec = getExecutionContext();
        
        Map<Thread, SuspensionState> suspensions = ec.getThreadSuspensions();
        
        Thread match = null;
        for (final Thread thread : suspensions.keySet()) {
            if (thread.getId() == threadID) {
                match = thread;

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        // We want to preserve the settings in the execution context
        // which relate to tracing and breakpoints.
        
        // Get the current execution context.
        ExecutionContextImpl oldExecutionContext = getExecutionContext();
        
        // Discard the FunctionRunThread.  This holds the executor, execution
        // context, etc.
        runThread  = null;
        
        // Get a new execution context.
        ExecutionContextImpl newExecutionContext = getExecutionContext();
        
        // Update the new execution context with settings from the old one.
        newExecutionContext.setBreakpoints(oldExecutionContext.getBreakpoints());       
        
        newExecutionContext.setTracedFunctions(oldExecutionContext.getTracedFunctions());        
        
        newExecutionContext.setTracingEnabled(oldExecutionContext.isTracingEnabled());
        newExecutionContext.setTraceShowsFunctionArgs(oldExecutionContext.traceShowsFunctionArgs());
        newExecutionContext.setTraceShowsThreadName(oldExecutionContext.traceShowsThreadName());
    }

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