Examples with DebuggerException org.eclipse.che.api.debugger.server.exceptions.DebuggerException used on opensource projects

Example 1 with DebuggerException

use of org.eclipse.che.api.debugger.server.exceptions.DebuggerException in project che by eclipse.

the class Gdb method suspend.

public Location suspend(final String file, boolean isRemoteConnection) throws IOException, InterruptedException, DebuggerException {
    if (pid < 0) {
        throw new DebuggerException("Gdb process not found.");
    }
    if (isRemoteConnection) {
        Runtime.getRuntime().exec("kill -SIGINT " + pid).waitFor();
        sendCommand("signal SIGSTOP ");
    } else {
        final List<String> outputs = new ArrayList<>();
        final ProcessBuilder processBuilder = new ProcessBuilder().command("ps", "-o", "pid,cmd", "--ppid", String.valueOf(pid));
        final Process process = processBuilder.start();
        LineConsumer stdout = new AbstractLineConsumer() {

            @Override
            public void writeLine(String line) throws IOException {
                outputs.add(line);
            }
        };
        ProcessUtil.process(process, stdout);
        int processId = -1;
        for (String output : outputs) {
            try {
                final ProcessInfo processInfo = ProcessInfo.parse(output);
                if (file.equals(processInfo.getProcessName())) {
                    processId = processInfo.getProcessId();
                }
            } catch (Exception e) {
            //we can't get info about current process, but we are trying to get info about another processes
            }
        }
        if (processId == -1) {
            throw new DebuggerException(format("Process %s not found.", file));
        }
        Runtime.getRuntime().exec("kill -SIGINT " + processId).waitFor();
    }
    final GdbOutput gdbOutput = sendCommand("backtrace");
    final GdbBacktrace backtrace = GdbBacktrace.parse(gdbOutput);
    final Map<Integer, Location> frames = backtrace.getFrames();
    if (frames.containsKey(0)) {
        return frames.get(0);
    }
    throw new DebuggerException("Unable recognize current location for debugger session. ");
}

Example 2 with DebuggerException

use of org.eclipse.che.api.debugger.server.exceptions.DebuggerException in project che by eclipse.

the class GdbDebugger method init.

private static GdbDebugger init(String host, int port, String file, String srcDirectory, DebuggerCallback debuggerCallback) throws DebuggerException {
    Gdb gdb;
    try {
        gdb = Gdb.start();
    } catch (IOException e) {
        throw new DebuggerException("Can't start GDB: " + e.getMessage(), e);
    }
    try {
        GdbDirectory directory = gdb.directory(srcDirectory);
        LOG.debug("Source directories: " + directory.getDirectories());
        gdb.file(file);
        if (port > 0) {
            gdb.targetRemote(host, port);
        }
    } catch (DebuggerException | IOException | InterruptedException e) {
        gdb.stop();
        throw new DebuggerException("Can't initialize GDB: " + e.getMessage(), e);
    }
    GdbVersion gdbVersion = gdb.getGdbVersion();
    return new GdbDebugger(host, port, gdbVersion.getVersion(), gdbVersion.getName(), file, gdb, debuggerCallback);
}

Example 3 with DebuggerException

use of org.eclipse.che.api.debugger.server.exceptions.DebuggerException in project che by eclipse.

the class GdbDebugger method resume.

@Override
public void resume(ResumeAction action) throws DebuggerException {
    try {
        GdbContinue gdbContinue = gdb.cont();
        Breakpoint breakpoint = gdbContinue.getBreakpoint();
        if (breakpoint != null) {
            currentLocation = breakpoint.getLocation();
            debuggerCallback.onEvent(new SuspendEventImpl(breakpoint.getLocation()));
        } else {
            GdbInfoProgram gdbInfoProgram = gdb.infoProgram();
            if (gdbInfoProgram.getStoppedAddress() == null) {
                disconnect();
            }
        }
    } catch (GdbTerminatedException e) {
        disconnect();
        throw e;
    } catch (IOException | GdbParseException | InterruptedException e) {
        throw new DebuggerException("Resume error. " + e.getMessage(), e);
    }
}

Example 4 with DebuggerException

use of org.eclipse.che.api.debugger.server.exceptions.DebuggerException in project che by eclipse.

the class GdbDebugger method dumpStackFrame.

/**
     * Dump frame.
     */
@Override
public StackFrameDump dumpStackFrame() throws DebuggerException {
    try {
        Map<String, String> locals = gdb.infoLocals().getVariables();
        locals.putAll(gdb.infoArgs().getVariables());
        List<Variable> variables = new ArrayList<>(locals.size());
        for (Map.Entry<String, String> e : locals.entrySet()) {
            String varName = e.getKey();
            String varValue = e.getValue();
            String varType;
            try {
                varType = gdb.ptype(varName).getType();
            } catch (GdbParseException pe) {
                LOG.warn(pe.getMessage(), pe);
                varType = "";
            }
            VariablePath variablePath = new VariablePathImpl(singletonList(varName));
            VariableImpl variable = new VariableImpl(varType, varName, varValue, true, variablePath, Collections.emptyList(), true);
            variables.add(variable);
        }
        return new StackFrameDumpImpl(Collections.emptyList(), variables);
    } catch (GdbTerminatedException e) {
        disconnect();
        throw e;
    } catch (IOException | GdbParseException | InterruptedException e) {
        throw new DebuggerException("Can't dump stack frame. " + e.getMessage(), e);
    }
}

Example 5 with DebuggerException

use of org.eclipse.che.api.debugger.server.exceptions.DebuggerException in project che by eclipse.

the class GdbDebugger method setValue.

@Override
public void setValue(Variable variable) throws DebuggerException {
    try {
        List<String> path = variable.getVariablePath().getPath();
        if (path.isEmpty()) {
            throw new DebuggerException("Variable path is empty");
        }
        gdb.setVar(path.get(0), variable.getValue());
    } catch (GdbTerminatedException e) {
        disconnect();
        throw e;
    } catch (IOException | GdbParseException | InterruptedException e) {
        throw new DebuggerException("Can't set value for " + variable.getName() + ". " + e.getMessage(), e);
    }
}