public void run(final List<Variable> vars, Environment myEnv, final MethodScriptComplete done) { // Some things, such as the label are determined at compile time this.CurrentEnv = myEnv; this.CurrentEnv.getEnv(GlobalEnv.class).SetLabel(this.label); MCCommandSender p = myEnv.getEnv(CommandHelperEnvironment.class).GetCommandSender(); if (!hasBeenCompiled || compilerError) { Target target = Target.UNKNOWN; if (left.size() >= 1) { try { target = new Target(left.get(0).line_num, left.get(0).file, left.get(0).column); } catch (NullPointerException e) { // Oh well, we tried to get more information } } throw new ConfigRuntimeException( "Unable to run command, script not yet compiled, or a compiler error occured for that command." + " To see the compile error, run /reloadaliases", null, target); } if (p instanceof MCPlayer) { if (CurrentEnv.getEnv(GlobalEnv.class).GetLabel() != null) { PermissionsResolver perms = CurrentEnv.getEnv(GlobalEnv.class).GetPermissionsResolver(); String[] groups = CurrentEnv.getEnv(GlobalEnv.class).GetLabel().split("/"); for (String group : groups) { if (group.startsWith("-") && perms.inGroup(((MCPlayer) p).getName(), group.substring(1))) { // negative permission throw new ConfigRuntimeException( "You do not have permission to use that command", ExceptionType.InsufficientPermissionException, Target.UNKNOWN); } else if (perms.inGroup(((MCPlayer) p).getName(), group)) { // They do have permission. break; } } } } try { for (ParseTree rootNode : cright) { for (Construct tempNode : rootNode.getAllData()) { if (tempNode instanceof Variable) { if (left_vars == null) { throw new ConfigRuntimeException( "$variables may not be used in this context. Only @variables may be.", null, tempNode.getTarget()); } ((Variable) tempNode) .setVal( new CString( Static.resolveDollarVar( left_vars.get(((Variable) tempNode).getName()), vars) .toString(), tempNode.getTarget())); } } MethodScriptCompiler.registerAutoIncludes(CurrentEnv, this); MethodScriptCompiler.execute(rootNode, CurrentEnv, done, this); } } catch (ConfigRuntimeException ex) { // We don't know how to handle this really, so let's pass it up the chain. throw ex; } catch (CancelCommandException e) { // p.sendMessage(e.getMessage()); // The message in the exception is actually empty } catch (LoopBreakException e) { if (p != null) { p.sendMessage("The break() function must be used inside a for() or foreach() loop"); } System.out.println("The break() function must be used inside a for() or foreach() loop"); } catch (LoopContinueException e) { if (p != null) { p.sendMessage("The continue() function must be used inside a for() or foreach() loop"); } System.out.println("The continue() function must be used inside a for() or foreach() loop"); } catch (FunctionReturnException e) { if (myEnv.getEnv(CommandHelperEnvironment.class).GetEvent() != null) { // Oh, we're running in an event handler. Those know how to catch it too. throw e; } if (p != null) { p.sendMessage("The return() function must be used inside a procedure."); } System.out.println("The return() function must be used inside a procedure."); } catch (Throwable t) { System.out.println("An unexpected exception occured during the execution of a script."); t.printStackTrace(); if (p != null) { p.sendMessage( "An unexpected exception occured during the execution of your script. Please check the console for more information."); } } if (done != null) { done.done(null); } }
public Construct eval(ParseTree c, final Environment env) throws CancelCommandException { final Construct m = c.getData(); CurrentEnv = env; // TODO: Reevaluate if this line is needed. The script doesn't know the label inherently, the // environment does, and setting it this way taints the environment. CurrentEnv.getEnv(GlobalEnv.class).SetLabel(this.label); if (m.getCType() == ConstructType.FUNCTION) { env.getEnv(GlobalEnv.class).SetScript(this); if (m.val().matches("^_[^_].*")) { // Not really a function, so we can't put it in Function. Procedure p = getProc(m.val()); if (p == null) { throw new ConfigRuntimeException( "Unknown procedure \"" + m.val() + "\"", ExceptionType.InvalidProcedureException, m.getTarget()); } Environment newEnv = env; try { newEnv = env.clone(); } catch (Exception e) { } ProfilePoint pp = env.getEnv(GlobalEnv.class).GetProfiler().start(m.val() + " execution", LogLevel.INFO); Construct ret = p.cexecute(c.getChildren(), newEnv, m.getTarget()); 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 new ConfigRuntimeException("Unable to find function " + m.val(), m.getTarget()); } // We have special handling for loop and other control flow functions if (f instanceof assign) { if (c.getChildAt(0).getData() instanceof CFunction) { CFunction test = (CFunction) c.getChildAt(0).getData(); if (test.val().equals("array_get")) { env.getEnv(GlobalEnv.class).SetFlag("array_get_alt_mode", true); Construct arrayAndIndex = eval(c.getChildAt(0), env); env.getEnv(GlobalEnv.class).ClearFlag("array_get_alt_mode"); return ((assign) f) .array_assign(m.getTarget(), env, arrayAndIndex, eval(c.getChildAt(1), env)); } } } 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 = f.execs(m.getTarget(), env, this, c.getChildren().toArray(new ParseTree[] {})); if (p != null) { p.stop(); } return ret; } ArrayList<Construct> args = new ArrayList<Construct>(); for (ParseTree c2 : c.getChildren()) { args.add(eval(c2, env)); } if (f.isRestricted()) { boolean perm = Static.hasCHPermission(f.getName(), env); if (!perm) { throw new ConfigRuntimeException( "You do not have permission to use the " + f.getName() + " function.", ExceptionType.InsufficientPermissionException, m.getTarget()); } } 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 ConfigRuntimeException( "Invalid Construct (" + ca[i].getClass() + ") being passed as an argument to a function (" + f.getName() + ")", null, m.getTarget()); } if (env.getEnv(GlobalEnv.class).GetFlag("array_get_alt_mode") == Boolean.TRUE && i == 0) { continue; } while (f.preResolveVariables() && ca[i] instanceof IVariable) { IVariable cur = (IVariable) ca[i]; ca[i] = env.getEnv(GlobalEnv.class).GetVarList().get(cur.getName(), 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 = f.exec(m.getTarget(), env, ca); if (p != null) { p.stop(); } return ret; } } else if (m.getCType() == ConstructType.VARIABLE) { return new CString(m.val(), m.getTarget()); } else { return m; } }