Examples with Environment com.laytonsmith.core.environments.Environment used on opensource projects

Example 1 with Environment

use of com.laytonsmith.core.environments.Environment in project CommandHelper by EngineHub.

the class Script method eval.

/**
 * Given the parse tree and environment, executes the tree.
 *
 * @param c
 * @param env
 * @return
 * @throws CancelCommandException
 */
public Construct eval(ParseTree c, final Environment env) throws CancelCommandException {
    if (env.getEnv(GlobalEnv.class).IsInterrupted()) {
        // unconditionally.
        throw new CancelCommandException("", Target.UNKNOWN);
    }
    final Construct m = c.getData();
    CurrentEnv = env;
    if (m.getCType() != ConstructType.FUNCTION) {
        if (m.getCType() == ConstructType.VARIABLE) {
            return new CString(m.val(), m.getTarget());
        } else {
            return m;
        }
    }
    StackTraceManager stManager = env.getEnv(GlobalEnv.class).GetStackTraceManager();
    boolean addedRootStackElement = false;
    try {
        // If it's an unknown target, this is not user generated code, and we want to skip adding the element here.
        if (stManager.isStackEmpty() && !m.getTarget().equals(Target.UNKNOWN)) {
            stManager.addStackTraceElement(new ConfigRuntimeException.StackTraceElement("<<main code>>", m.getTarget()));
            addedRootStackElement = true;
        }
        stManager.setCurrentTarget(c.getTarget());
        env.getEnv(GlobalEnv.class).SetScript(this);
        if (m.val().charAt(0) == '_' && m.val().charAt(1) != '_') {
            // Not really a function, so we can't put it in Function.
            Procedure p = getProc(m.val());
            if (p == null) {
                throw new CREInvalidProcedureException("Unknown procedure \"" + m.val() + "\"", m.getTarget());
            }
            Environment newEnv = env;
            try {
                newEnv = env.clone();
            } catch (CloneNotSupportedException e) {
            }
            ProfilePoint pp = env.getEnv(GlobalEnv.class).GetProfiler().start(m.val() + " execution", LogLevel.INFO);
            Construct ret;
            try {
                ret = p.cexecute(c.getChildren(), newEnv, m.getTarget());
            } finally {
                pp.stop();
            }
            return ret;
        }
        final Function f;
        try {
            f = (Function) FunctionList.getFunction(m);
        } catch (ConfigCompileException e) {
            // Turn it into a config runtime exception. This shouldn't ever happen though.
            throw ConfigRuntimeException.CreateUncatchableException("Unable to find function " + m.val(), m.getTarget());
        }
        ArrayList<Construct> args = new ArrayList<>();
        try {
            if (f.isRestricted() && !Static.hasCHPermission(f.getName(), env)) {
                throw new CREInsufficientPermissionException("You do not have permission to use the " + f.getName() + " function.", m.getTarget());
            }
            if (f.useSpecialExec()) {
                ProfilePoint p = null;
                if (f.shouldProfile() && env.getEnv(GlobalEnv.class).GetProfiler() != null && env.getEnv(GlobalEnv.class).GetProfiler().isLoggable(f.profileAt())) {
                    p = env.getEnv(GlobalEnv.class).GetProfiler().start(f.profileMessageS(c.getChildren()), f.profileAt());
                }
                Construct ret;
                try {
                    ret = f.execs(m.getTarget(), env, this, c.getChildren().toArray(new ParseTree[] {}));
                } finally {
                    if (p != null) {
                        p.stop();
                    }
                }
                return ret;
            }
            for (ParseTree c2 : c.getChildren()) {
                args.add(eval(c2, env));
            }
            Object[] a = args.toArray();
            Construct[] ca = new Construct[a.length];
            for (int i = 0; i < a.length; i++) {
                ca[i] = (Construct) a[i];
                // CArray, CBoolean, CDouble, CInt, CNull, CString, CVoid, CEntry, CLabel (only to sconcat).
                if (!(ca[i] instanceof CArray || ca[i] instanceof CBoolean || ca[i] instanceof CDouble || ca[i] instanceof CInt || ca[i] instanceof CNull || ca[i] instanceof CString || ca[i] instanceof CVoid || ca[i] instanceof IVariable || ca[i] instanceof CEntry || ca[i] instanceof CLabel) && (!f.getName().equals("__autoconcat__") && (ca[i] instanceof CLabel))) {
                    throw new CRECastException("Invalid Construct (" + ca[i].getClass() + ") being passed as an argument to a function (" + f.getName() + ")", m.getTarget());
                }
                while (f.preResolveVariables() && ca[i] instanceof IVariable) {
                    IVariable cur = (IVariable) ca[i];
                    ca[i] = env.getEnv(GlobalEnv.class).GetVarList().get(cur.getVariableName(), cur.getTarget()).ival();
                }
            }
            {
                // It takes a moment to generate the toString of some things, so lets not do it
                // if we actually aren't going to profile
                ProfilePoint p = null;
                if (f.shouldProfile() && env.getEnv(GlobalEnv.class).GetProfiler() != null && env.getEnv(GlobalEnv.class).GetProfiler().isLoggable(f.profileAt())) {
                    p = env.getEnv(GlobalEnv.class).GetProfiler().start(f.profileMessage(ca), f.profileAt());
                }
                Construct ret;
                try {
                    ret = f.exec(m.getTarget(), env, ca);
                } finally {
                    if (p != null) {
                        p.stop();
                    }
                }
                return ret;
            }
        // We want to catch and rethrow the ones we know how to catch, and then
        // catch and report anything else.
        } catch (ConfigRuntimeException | ProgramFlowManipulationException e) {
            if (e instanceof AbstractCREException) {
                ((AbstractCREException) e).freezeStackTraceElements(stManager);
            }
            throw e;
        } catch (InvalidEnvironmentException e) {
            if (!e.isDataSet()) {
                e.setData(f.getName());
            }
            throw e;
        } catch (Exception e) {
            String brand = Implementation.GetServerType().getBranding();
            SimpleVersion version = Static.getVersion();
            String culprit = brand;
            outer: for (ExtensionTracker tracker : ExtensionManager.getTrackers().values()) {
                for (FunctionBase b : tracker.getFunctions()) {
                    if (b.getName().equals(f.getName())) {
                        // name instead of the core plugin's name.
                        for (Extension extension : tracker.getExtensions()) {
                            culprit = extension.getName();
                            break outer;
                        }
                    }
                }
            }
            String emsg = TermColors.RED + "Uh oh! You've found an error in " + TermColors.CYAN + culprit + TermColors.RED + ".\n" + "This happened while running your code, so you may be able to find a workaround," + " but is ultimately an issue in " + culprit + ".\n" + "The following code caused the error:\n" + TermColors.WHITE;
            List<String> args2 = new ArrayList<>();
            Map<String, String> vars = new HashMap<>();
            for (Construct cc : args) {
                if (cc instanceof IVariable) {
                    Construct ccc = env.getEnv(GlobalEnv.class).GetVarList().get(((IVariable) cc).getVariableName(), cc.getTarget()).ival();
                    String vval = ccc.val();
                    if (ccc instanceof CString) {
                        vval = ccc.asString().getQuote();
                    }
                    vars.put(((IVariable) cc).getVariableName(), vval);
                }
                if (cc == null) {
                    args2.add("java-null");
                } else if (cc instanceof CString) {
                    args2.add(cc.asString().getQuote());
                } else if (cc instanceof IVariable) {
                    args2.add(((IVariable) cc).getVariableName());
                } else {
                    args2.add(cc.val());
                }
            }
            if (!vars.isEmpty()) {
                emsg += StringUtils.Join(vars, " = ", "\n") + "\n";
            }
            emsg += f.getName() + "(";
            emsg += StringUtils.Join(args2, ", ");
            emsg += ")\n";
            emsg += TermColors.RED + "on or around " + TermColors.YELLOW + m.getTarget().file() + TermColors.WHITE + ":" + TermColors.CYAN + m.getTarget().line() + TermColors.RED + ".\n";
            // Server might not be available in this platform, so let's be sure to ignore those exceptions
            String modVersion;
            try {
                modVersion = StaticLayer.GetConvertor().GetServer().getAPIVersion();
            } catch (Exception ex) {
                modVersion = Implementation.GetServerType().name();
            }
            String extensionData = "";
            for (ExtensionTracker tracker : ExtensionManager.getTrackers().values()) {
                for (Extension extension : tracker.getExtensions()) {
                    try {
                        extensionData += TermColors.CYAN + extension.getName() + TermColors.RED + " (" + TermColors.RESET + extension.getVersion() + TermColors.RED + ")\n";
                    } catch (AbstractMethodError ex) {
                        // This happens with an old style extensions. Just skip it.
                        extensionData += TermColors.CYAN + "Unknown Extension" + TermColors.RED + "\n";
                    }
                }
            }
            if (extensionData.isEmpty()) {
                extensionData = "NONE\n";
            }
            emsg += "Please report this to the developers, and be sure to include the version numbers:\n" + TermColors.CYAN + "Server" + TermColors.RED + " version: " + TermColors.RESET + modVersion + TermColors.RED + ";\n" + TermColors.CYAN + brand + TermColors.RED + " version: " + TermColors.RESET + version + TermColors.RED + ";\n" + "Loaded extensions and versions:\n" + extensionData + "Here's the stacktrace:\n" + TermColors.RESET + Static.GetStacktraceString(e);
            Static.getLogger().log(Level.SEVERE, emsg);
            throw new CancelCommandException(null, Target.UNKNOWN);
        }
    } finally {
        if (addedRootStackElement && stManager.isStackSingle()) {
            stManager.popStackTraceElement();
        }
    }
}

Example 2 with Environment

use of com.laytonsmith.core.environments.Environment in project CommandHelper by EngineHub.

the class BoundEvent method manual_trigger.

/**
 * Used to manually trigger an event, the underlying event is set to null.
 *
 * @param event
 * @throws EventException
 */
public void manual_trigger(CArray event) throws EventException {
    try {
        Environment env = originalEnv.clone();
        env.getEnv(GlobalEnv.class).GetVarList().set(new IVariable(CArray.TYPE, eventObjName, event, Target.UNKNOWN));
        Map<String, Construct> map = new HashMap<>();
        for (String key : event.stringKeySet()) {
            map.put(key, event.get(key, Target.UNKNOWN));
        }
        ActiveEvent activeEvent = new ActiveEvent(null);
        activeEvent.setParsedEvent(map);
        activeEvent.setBoundEvent(this);
        env.getEnv(GlobalEnv.class).SetEvent(activeEvent);
        this.execute(env, activeEvent);
    } catch (CloneNotSupportedException ex) {
        Logger.getLogger(BoundEvent.class.getName()).log(Level.SEVERE, null, ex);
    }
}

Example 3 with Environment

use of com.laytonsmith.core.environments.Environment in project CommandHelper by EngineHub.

the class BoundEvent method trigger.

/**
 * When the event actually occurs, this should be run, after translating the original event object (of whatever type
 * it may be) into a standard map, which contains the event object data. It is converted into a CArray here, and
 * then the script is executed with the driver's execute function.
 *
 * @param activeEvent
 */
public void trigger(ActiveEvent activeEvent) throws EventException {
    try {
        // GenericTree<Construct> root = new GenericTree<Construct>();
        // root.setRoot(tree);
        Environment env = originalEnv.clone();
        CArray ca = CArray.GetAssociativeArray(Target.UNKNOWN);
        for (Map.Entry<String, Construct> entry : activeEvent.parsedEvent.entrySet()) {
            ca.set(new CString(entry.getKey(), Target.UNKNOWN), entry.getValue(), Target.UNKNOWN);
        }
        env.getEnv(GlobalEnv.class).GetVarList().set(new IVariable(CArray.TYPE, eventObjName, ca, Target.UNKNOWN));
        env.getEnv(GlobalEnv.class).SetEvent(activeEvent);
        activeEvent.addHistory("Triggering bound event: " + this);
        try {
            ProfilePoint p = env.getEnv(GlobalEnv.class).GetProfiler().start("Executing event handler for " + this.getEventName() + " defined at " + this.getTarget(), LogLevel.ERROR);
            try {
                this.execute(env, activeEvent);
            } finally {
                p.stop();
            }
        } catch (ConfigRuntimeException e) {
            // We don't know how to handle this, but we need to set the env,
            // then pass it up the chain
            e.setEnv(env);
            throw e;
        }
    } catch (CloneNotSupportedException ex) {
        Logger.getLogger(BoundEvent.class.getName()).log(Level.SEVERE, null, ex);
    }
}

Example 4 with Environment

use of com.laytonsmith.core.environments.Environment in project CommandHelper by EngineHub.

the class CommandHelperInterpreterListener method execute.

public void execute(String script, final MCPlayer p) throws ConfigCompileException, ConfigCompileGroupException {
    TokenStream stream = MethodScriptCompiler.lex(script, new File("Interpreter"), true);
    ParseTree tree = MethodScriptCompiler.compile(stream);
    interpreterMode.remove(p.getName());
    GlobalEnv gEnv = new GlobalEnv(plugin.executionQueue, plugin.profiler, plugin.persistenceNetwork, CommandHelperFileLocations.getDefault().getConfigDirectory(), plugin.profiles, new TaskManager());
    gEnv.SetDynamicScriptingMode(true);
    CommandHelperEnvironment cEnv = new CommandHelperEnvironment();
    cEnv.SetPlayer(p);
    Environment env = Environment.createEnvironment(gEnv, cEnv);
    try {
        MethodScriptCompiler.registerAutoIncludes(env, null);
        MethodScriptCompiler.execute(tree, env, new MethodScriptComplete() {

            @Override
            public void done(String output) {
                output = output.trim();
                if (output.isEmpty()) {
                    Static.SendMessage(p, ":");
                } else {
                    if (output.startsWith("/")) {
                        // Run the command
                        Static.SendMessage(p, ":" + MCChatColor.YELLOW + output);
                        p.chat(output);
                    } else {
                        // output the results
                        Static.SendMessage(p, ":" + MCChatColor.GREEN + output);
                    }
                }
                interpreterMode.add(p.getName());
            }
        }, null);
    } catch (CancelCommandException e) {
        interpreterMode.add(p.getName());
    } catch (ConfigRuntimeException e) {
        ConfigRuntimeException.HandleUncaughtException(e, env);
        Static.SendMessage(p, MCChatColor.RED + e.toString());
        interpreterMode.add(p.getName());
    } catch (Exception e) {
        Static.SendMessage(p, MCChatColor.RED + e.toString());
        Logger.getLogger(CommandHelperInterpreterListener.class.getName()).log(Level.SEVERE, null, e);
        interpreterMode.add(p.getName());
    }
}

Example 5 with Environment

use of com.laytonsmith.core.environments.Environment in project CommandHelper by EngineHub.

the class AliasCore method alias.

/**
 * This is the workhorse function. It takes a given command, then converts it into the actual command(s). If the
 * command maps to a defined alias, it will run the specified alias. It will search through the global list of
 * aliases, as well as the aliases defined for that specific player. This function doesn't handle the /alias command
 * however.
 *
 * @param command
 * @return
 */
public boolean alias(String command, final MCCommandSender player) {
    if (scripts == null) {
        throw ConfigRuntimeException.CreateUncatchableException("Cannot run alias commands, no config file is loaded", Target.UNKNOWN);
    }
    boolean match = false;
    try {
        // actually add the player to the array.
        if (player != null && player instanceof MCPlayer && echoCommand.contains(((MCPlayer) player).getName())) {
            // we are running one of the expanded commands, so exit with false
            return false;
        }
        for (Script s : scripts) {
            try {
                if (s.match(command)) {
                    this.addPlayerReference(player);
                    if (Prefs.ConsoleLogCommands() && s.doLog()) {
                        StringBuilder b = new StringBuilder("CH: Running original command ");
                        if (player instanceof MCPlayer) {
                            b.append("on player ").append(((MCPlayer) player).getName());
                        } else {
                            b.append("from a MCCommandSender");
                        }
                        b.append(" ----> ").append(command);
                        Static.getLogger().log(Level.INFO, b.toString());
                    }
                    GlobalEnv gEnv = new GlobalEnv(parent.executionQueue, parent.profiler, parent.persistenceNetwork, MethodScriptFileLocations.getDefault().getConfigDirectory(), parent.profiles, new TaskManager());
                    CommandHelperEnvironment cEnv = new CommandHelperEnvironment();
                    cEnv.SetCommandSender(player);
                    Environment env = Environment.createEnvironment(gEnv, cEnv);
                    try {
                        env.getEnv(CommandHelperEnvironment.class).SetCommand(command);
                        ProfilePoint alias = env.getEnv(GlobalEnv.class).GetProfiler().start("Global Alias - \"" + command + "\"", LogLevel.ERROR);
                        try {
                            s.run(s.getVariables(command), env, new MethodScriptComplete() {

                                @Override
                                public void done(String output) {
                                    try {
                                        if (output != null) {
                                            if (!output.trim().isEmpty() && output.trim().startsWith("/")) {
                                                if (Prefs.DebugMode()) {
                                                    if (player instanceof MCPlayer) {
                                                        Static.getLogger().log(Level.INFO, "[CommandHelper]: Executing command on " + ((MCPlayer) player).getName() + ": " + output.trim());
                                                    } else {
                                                        Static.getLogger().log(Level.INFO, "[CommandHelper]: Executing command from console equivalent: " + output.trim());
                                                    }
                                                }
                                                if (player instanceof MCPlayer) {
                                                    ((MCPlayer) player).chat(output.trim());
                                                } else {
                                                    Static.getServer().dispatchCommand(player, output.trim().substring(1));
                                                }
                                            }
                                        }
                                    } catch (Throwable e) {
                                        StreamUtils.GetSystemErr().println(e.getMessage());
                                        player.sendMessage(MCChatColor.RED + e.getMessage());
                                    } finally {
                                        Static.getAliasCore().removePlayerReference(player);
                                    }
                                }
                            });
                        } finally {
                            alias.stop();
                        }
                    } catch (ConfigRuntimeException ex) {
                        ex.setEnv(env);
                        ConfigRuntimeException.HandleUncaughtException(ex, env);
                    } catch (Throwable e) {
                        // This is not a simple user script error, this is a deeper problem, so we always handle this.
                        StreamUtils.GetSystemErr().println("An unexpected exception occured: " + e.getClass().getSimpleName());
                        player.sendMessage("An unexpected exception occured: " + MCChatColor.RED + e.getClass().getSimpleName());
                        e.printStackTrace();
                    } finally {
                        Static.getAliasCore().removePlayerReference(player);
                    }
                    match = true;
                    break;
                }
            } catch (Exception e) {
                StreamUtils.GetSystemErr().println("An unexpected exception occured inside the command " + s.toString());
                e.printStackTrace();
            }
        }
    } catch (Throwable e) {
        // Not only did an error happen, an error happened in our error handler
        throw new InternalException(TermColors.RED + "An unexpected error occured in the CommandHelper plugin. " + "Further, this is likely an error with the error handler, so it may be caused by your script, " + "however, there is no more information at this point. Check your script, but also report this " + "as a bug in CommandHelper. Also, it's possible that some commands will no longer work. As a temporary " + "workaround, restart the server, and avoid doing whatever it is you did to make this happen.\nThe error is as follows: " + e.toString() + "\n" + TermColors.reset() + "Stack Trace:\n" + StringUtils.Join(Arrays.asList(e.getStackTrace()), "\n"));
    }
    return match;
}