Exemplo n.º 1
0
        /// <summary>
        /// Replaces the given action by a new action instance with a search plan adapted
        /// to the current analysis data of the associated graph.
        /// </summary>
        /// <param name="actionName">The name of the action to be replaced.</param>
        /// <returns>The new action instance.</returns>
        public LGSPAction GenerateAction(String actionName)
        {
            LGSPAction action = (LGSPAction)GetAction(actionName);

            if (action == null)
            {
                throw new ArgumentException("\"" + actionName + "\" is not the name of an action!\n");
            }
            return(GenerateAction(action));
        }
Exemplo n.º 2
0
        /// <summary>
        /// Replaces the given action by a new action instance with a search plan adapted
        /// to the current analysis data of the associated graph.
        /// </summary>
        /// <param name="action">The action to be replaced.</param>
        /// <returns>The new action instance.</returns>
        public LGSPAction GenerateAction(LGSPAction action)
        {
            matcherGenerator.LazyNegativeIndependentConditionEvaluation = LazyNIC;
            matcherGenerator.InlineIndependents = InlineIndependents;
            matcherGenerator.Profile            = Profile;
            LGSPAction newAction = matcherGenerator.GenerateAction(graph, modelAssemblyName, actionsAssemblyName, (LGSPAction)action);

            actions[action.Name] = newAction;
            return(newAction);
        }
Exemplo n.º 3
0
 /// <summary>
 /// Replaces the given actions by new action instances with a search plan adapted
 /// to the current analysis data of the associated graph.
 /// </summary>
 /// <param name="actionNames">An array of names of actions to be replaced.</param>
 /// <returns>An array with the new action instances.</returns>
 public LGSPAction[] GenerateActions(params String[] actionNames)
 {
     LGSPAction[] oldActions = new LGSPAction[actionNames.Length];
     for (int i = 0; i < oldActions.Length; i++)
     {
         oldActions[i] = (LGSPAction)GetAction((String)actionNames[i]);
         if (oldActions[i] == null)
         {
             throw new ArgumentException("\"" + (String)actionNames[i] + "\"' is not the name of an action!");
         }
     }
     return(GenerateActions(oldActions));
 }
Exemplo n.º 4
0
        /// <summary>
        /// Does action-backend dependent stuff.
        /// </summary>
        /// <param name="args">Any kind of parameters for the stuff to do</param>
        public override void Custom(params object[] args)
        {
            if(args.Length == 0) goto invalidCommand;

            switch((String) args[0])
            {
                case "gen_searchplan":
                {
                    if(graph.statistics.edgeCounts == null)
                        throw new ArgumentException("Graph not analyzed yet!\nPlease execute 'custom graph analyze'!");
                    LGSPAction[] oldActions;
                    if(args.Length == 1)
                    {
                        oldActions = new LGSPAction[actions.Count];
                        int i = 0;
                        foreach(LGSPAction action in actions.Values)
                        {
                            oldActions[i] = action;
                            ++i;
                        }
                    }
                    else
                    {
                        oldActions = new LGSPAction[args.Length - 1];
                        for(int i = 0; i < oldActions.Length; i++)
                        {
                            oldActions[i] = (LGSPAction)GetAction((String)args[i + 1]);
                            if(oldActions[i] == null)
                                throw new ArgumentException("'" + (String)args[i + 1] + "' is not the name of an action!\n"
                                    + "Please use 'show actions' to get a list of the available names.");
                        }
                    }

                    int startticks = Environment.TickCount;
                    matcherGenerator.LazyNegativeIndependentConditionEvaluation = LazyNIC;
                    matcherGenerator.InlineIndependents = InlineIndependents;
                    matcherGenerator.Profile = Profile;
                    LGSPAction[] newActions = matcherGenerator.GenerateActions(graph, modelAssemblyName,
                        actionsAssemblyName, oldActions);
                    int stopticks = Environment.TickCount;
                    Console.Write("Searchplans for actions ");
                    for(int i = 0; i < oldActions.Length; i++)
                    {
                        actions[oldActions[i].Name] = newActions[i];
                        if(i != 0) Console.Write(", ");
                        Console.Write("'" + oldActions[i].Name + "'");
                    }
                    Console.WriteLine(" generated in " + (stopticks - startticks) + " ms.");
                    return;
                }

                case "dump_sourcecode":
                    if(args.Length != 2)
                        throw new ArgumentException("Usage: dump_sourcecode <bool>\n"
                                + "If <bool> == true, C# files will be dumped for new searchplans.");

                    if(!bool.TryParse((String) args[1], out matcherGenerator.DumpDynSourceCode))
                        throw new ArgumentException("Illegal bool value specified: \"" + (String) args[1] + "\"");
                    return;

                case "dump_searchplan":
                    if(args.Length != 2)
                        throw new ArgumentException("Usage: dump_searchplan <bool>\n"
                                + "If <bool> == true, VCG and TXT files will be dumped for new searchplans.");

                    if(!bool.TryParse((String) args[1], out matcherGenerator.DumpSearchPlan))
                        throw new ArgumentException("Illegal bool value specified: \"" + (String) args[1] + "\"");
                    return;

                case "explain":
                {
                    if(args.Length != 2)
                        throw new ArgumentException("Usage: explain <name>\n"
                                + "Explains the searchplan of the given action.");

                    LGSPAction action = (LGSPAction)GetAction((String)args[1]);
                    if(action == null)
                        throw new ArgumentException("'" + (String)args[1] + "' is not the name of an action!\n"
                            + "Please use 'show actions' to get a list of the available names.");

                    if(action.patternGraph.schedules[0] == null)
                    {
                        LGSPGraphStatistics graphStatistics = null;
                        if(StatisticsPath != null)
                        {
                            Console.WriteLine("static search plans from " + StatisticsPath);
                            graphStatistics = new LGSPGraphStatistics(graph.Model);
                            graphStatistics.Parse(StatisticsPath);
                        }
                        else
                            Console.WriteLine("static search plans");
                        LGSPMatcherGenerator matcherGen = new LGSPMatcherGenerator(graph.Model);
                        matcherGen.FillInStaticSearchPlans(graphStatistics, InlineIndependents, action);
                    }
                    SourceBuilder sb = new SourceBuilder();
                    foreach(KeyValuePair<LGSPMatchingPattern, LGSPMatchingPattern> usedSubpattern
                        in action.rulePattern.patternGraph.usedSubpatterns)
                    {
                        usedSubpattern.Key.patternGraph.Explain(sb, graph.Model);
                    }
                    action.patternGraph.Explain(sb, graph.Model);
                    Console.WriteLine(sb.ToString());
                    return;
                }
            }

invalidCommand:
            throw new ArgumentException("Possible commands:\n"
                + "- gen_searchplan:  Generates a new searchplan for a given action\n"
                + "     depending on a previous graph analysis\n"
                + "- explain: explains the searchplan in use for a given action\n"
                + "- dump_sourcecode: Sets dumping of C# files for new searchplans\n"
                + "- dump_searchplan: Sets dumping of VCG and TXT files of new\n"
                + "     searchplans (with some intermediate steps)");
        }
Exemplo n.º 5
0
 /// <summary>
 /// Replaces a given action by another one.
 /// For internal use.
 /// </summary>
 /// <param name="actionName">The name of the action to be replaced.</param>
 /// <param name="newAction">The new action.</param>
 public void ReplaceAction(String actionName, LGSPAction newAction)
 {
     actions[actionName] = newAction;
 }
Exemplo n.º 6
0
 /// <summary>
 /// Replaces the given actions by new action instances with a search plan adapted
 /// to the current analysis data of the associated graph.
 /// </summary>
 /// <param name="actionNames">An array of names of actions to be replaced.</param>
 /// <returns>An array with the new action instances.</returns>
 public LGSPAction[] GenerateActions(params String[] actionNames)
 {
     LGSPAction[] oldActions = new LGSPAction[actionNames.Length];
     for(int i = 0; i < oldActions.Length; i++)
     {
         oldActions[i] = (LGSPAction) GetAction((String) actionNames[i]);
         if(oldActions[i] == null)
             throw new ArgumentException("\"" + (String) actionNames[i] + "\"' is not the name of an action!");
     }
     return GenerateActions(oldActions);
 }
Exemplo n.º 7
0
 /// <summary>
 /// Replaces the given action by a new action instance with a search plan adapted
 /// to the current analysis data of the associated graph.
 /// </summary>
 /// <param name="action">The action to be replaced.</param>
 /// <returns>The new action instance.</returns>
 public LGSPAction GenerateAction(LGSPAction action)
 {
     matcherGenerator.LazyNegativeIndependentConditionEvaluation = LazyNIC;
     matcherGenerator.InlineIndependents = InlineIndependents;
     matcherGenerator.Profile = Profile;
     LGSPAction newAction = matcherGenerator.GenerateAction(graph, modelAssemblyName, actionsAssemblyName, (LGSPAction) action);
     actions[action.Name] = newAction;
     return newAction;
 }
Exemplo n.º 8
0
        /// <summary>
        /// Does action-backend dependent stuff.
        /// </summary>
        /// <param name="args">Any kind of parameters for the stuff to do; first parameter has to be the command</param>
        public override void Custom(params object[] args)
        {
            if (args.Length == 0)
            {
                throw new ArgumentException("No command given");
            }

            String command = (String)args[0];

            switch (command)
            {
            case "gen_searchplan":
            {
                if (graph.statistics.edgeCounts == null)
                {
                    throw new ArgumentException("Graph not analyzed yet!\nPlease execute 'custom graph analyze'!");
                }
                LGSPAction[] oldActions;
                if (args.Length == 1)
                {
                    oldActions = new LGSPAction[actions.Count];
                    int i = 0;
                    foreach (LGSPAction action in actions.Values)
                    {
                        oldActions[i] = action;
                        ++i;
                    }
                }
                else
                {
                    oldActions = new LGSPAction[args.Length - 1];
                    for (int i = 0; i < oldActions.Length; i++)
                    {
                        oldActions[i] = (LGSPAction)GetAction((String)args[i + 1]);
                        if (oldActions[i] == null)
                        {
                            throw new ArgumentException("'" + (String)args[i + 1] + "' is not the name of an action!\n"
                                                        + "Please use 'show actions' to get a list of the available names.");
                        }
                    }
                }

                int startticks = Environment.TickCount;
                matcherGenerator.LazyNegativeIndependentConditionEvaluation = LazyNIC;
                matcherGenerator.InlineIndependents = InlineIndependents;
                matcherGenerator.Profile            = Profile;
                LGSPAction[] newActions = matcherGenerator.GenerateActions(graph, modelAssemblyName,
                                                                           actionsAssemblyName, oldActions);
                int stopticks = Environment.TickCount;
                Console.Write("Searchplans for actions ");
                for (int i = 0; i < oldActions.Length; i++)
                {
                    actions[oldActions[i].Name] = newActions[i];
                    if (i != 0)
                    {
                        Console.Write(", ");
                    }
                    Console.Write("'" + oldActions[i].Name + "'");
                }
                Console.WriteLine(" generated in " + (stopticks - startticks) + " ms.");
                return;
            }

            case "dump_sourcecode":
                if (args.Length != 2)
                {
                    throw new ArgumentException("Usage: dump_sourcecode <bool>\n"
                                                + "If <bool> == true, C# files will be dumped for new searchplans.");
                }

                if (!bool.TryParse((String)args[1], out matcherGenerator.DumpDynSourceCode))
                {
                    throw new ArgumentException("Illegal bool value specified: \"" + (String)args[1] + "\"");
                }
                return;

            case "dump_searchplan":
                if (args.Length != 2)
                {
                    throw new ArgumentException("Usage: dump_searchplan <bool>\n"
                                                + "If <bool> == true, VCG and TXT files will be dumped for new searchplans.");
                }

                if (!bool.TryParse((String)args[1], out matcherGenerator.DumpSearchPlan))
                {
                    throw new ArgumentException("Illegal bool value specified: \"" + (String)args[1] + "\"");
                }
                return;

            case "explain":
            {
                if (args.Length != 2)
                {
                    throw new ArgumentException("Usage: explain <name>\n"
                                                + "Explains the searchplan of the given action.");
                }
                LGSPAction action = (LGSPAction)GetAction((String)args[1]);
                if (action == null)
                {
                    throw new ArgumentException("'" + (String)args[1] + "' is not the name of an action!\n"
                                                + "Please use 'show actions' to get a list of the available names.");
                }

                if (action.patternGraph.schedules[0] == null)
                {
                    LGSPGraphStatistics graphStatistics = null;
                    if (StatisticsPath != null)
                    {
                        Console.WriteLine("static search plans from " + StatisticsPath);
                        graphStatistics = new LGSPGraphStatistics(graph.Model);
                        GraphStatisticsParserSerializer parserSerializer = new GraphStatisticsParserSerializer(graphStatistics);
                        parserSerializer.Parse(StatisticsPath);
                    }
                    else
                    {
                        Console.WriteLine("static search plans");
                    }
                    LGSPMatcherGenerator matcherGen = new LGSPMatcherGenerator(graph.Model);
                    matcherGen.FillInStaticSearchPlans(graphStatistics, InlineIndependents, action);
                }
                SourceBuilder sb = new SourceBuilder();
                foreach (KeyValuePair <LGSPMatchingPattern, LGSPMatchingPattern> usedSubpattern
                         in action.rulePattern.patternGraph.usedSubpatterns)
                {
                    usedSubpattern.Key.patternGraph.Explain(sb, graph.Model);
                }
                action.patternGraph.Explain(sb, graph.Model);
                Console.WriteLine(sb.ToString());
                return;
            }

            default:
                throw new ArgumentException("Unknown command: " + command);
            }
        }
Exemplo n.º 9
0
 /// <summary>
 /// Replaces a given action by another one.
 /// For internal use.
 /// </summary>
 /// <param name="actionName">The name of the action to be replaced.</param>
 /// <param name="newAction">The new action.</param>
 public void ReplaceAction(String actionName, LGSPAction newAction)
 {
     actions[actionName] = newAction;
 }
Exemplo n.º 10
0
 /// <summary>
 /// Generate a new action for the given action, doing the same work, 
 /// but hopefully faster by taking graph analysis information into account
 /// </summary>
 public LGSPAction GenerateAction(LGSPGraph graph, String modelAssemblyName, String actionsAssemblyName, LGSPAction action)
 {
     return GenerateActions(graph, modelAssemblyName, actionsAssemblyName, action)[0];
 }
Exemplo n.º 11
0
        /// <summary>
        /// Generate new actions for the given actions, doing the same work, 
        /// but hopefully faster by taking graph analysis information into account
        /// </summary>
        public LGSPAction[] GenerateActions(LGSPGraph graph, String modelAssemblyName, String actionsAssemblyName, 
            params LGSPAction[] actions)
        {
            if(actions.Length == 0) throw new ArgumentException("No actions provided!");

            SourceBuilder sourceCode = new SourceBuilder(CommentSourceCode);
            GenerateFileHeaderForActionsFile(sourceCode, model.GetType().Namespace, actions[0].rulePattern.GetType().Namespace);

            // use domain of dictionary as set with rulepatterns of the subpatterns of the actions, get them from pattern graph
            Dictionary<LGSPMatchingPattern, LGSPMatchingPattern> subpatternMatchingPatterns 
                = new Dictionary<LGSPMatchingPattern, LGSPMatchingPattern>();
            foreach (LGSPAction action in actions)
            {
                foreach (KeyValuePair<LGSPMatchingPattern, LGSPMatchingPattern> usedSubpattern 
                    in action.rulePattern.patternGraph.usedSubpatterns)
                {
                    subpatternMatchingPatterns[usedSubpattern.Key] = usedSubpattern.Value;
                }
            }

            // generate code for subpatterns
            foreach (KeyValuePair<LGSPMatchingPattern, LGSPMatchingPattern> subpatternMatchingPattern in subpatternMatchingPatterns)
            {
                LGSPMatchingPattern smp = subpatternMatchingPattern.Key;

                GenerateScheduledSearchPlans(smp.patternGraph, graph, 
                    true, false, null);

                MergeNegativeAndIndependentSchedulesIntoEnclosingSchedules(smp.patternGraph);

                ParallelizeAsNeeded(smp);

                GenerateActionAndMatcher(sourceCode, smp, false);
            }

            // generate code for actions
            foreach(LGSPAction action in actions)
            {
                GenerateScheduledSearchPlans(action.rulePattern.patternGraph, graph,
                    false, false, null);

                MergeNegativeAndIndependentSchedulesIntoEnclosingSchedules(action.rulePattern.patternGraph);

                ParallelizeAsNeeded(action.rulePattern);

                GenerateActionAndMatcher(sourceCode, action.rulePattern, false);
            }

            // close namespace
            sourceCode.Append("}");

            if(DumpDynSourceCode)
            {
                using(StreamWriter writer = new StreamWriter("dynamic_" + actions[0].Name + ".cs"))
                    writer.Write(sourceCode.ToString());
            }

            // set up compiler
            CSharpCodeProvider compiler = new CSharpCodeProvider();
            CompilerParameters compParams = GetDynCompilerSetup(modelAssemblyName, actionsAssemblyName);
 
            // compile generated code
            CompilerResults compResults = compiler.CompileAssemblyFromSource(compParams, sourceCode.ToString());
            if(compResults.Errors.HasErrors)
            {
                String errorMsg = compResults.Errors.Count + " Errors:";
                foreach(CompilerError error in compResults.Errors)
                    errorMsg += Environment.NewLine + "Line: " + error.Line + " - " + error.ErrorText;
                throw new ArgumentException("Internal error: Illegal dynamic C# source code produced: " + errorMsg);
            }

            // create action instances
            LGSPAction[] newActions = new LGSPAction[actions.Length];
            for(int i = 0; i < actions.Length; i++)
            {
                newActions[i] = (LGSPAction) compResults.CompiledAssembly.CreateInstance(
                    "de.unika.ipd.grGen.lgspActions.DynAction_" + actions[i].Name);
                if(newActions[i] == null)
                    throw new ArgumentException("Internal error: Generated assembly does not contain action '"
                        + actions[i].Name + "'!");
            }
            return newActions;
        }
Exemplo n.º 12
0
        /// <summary>
        /// Generates an LGSPAction object for the given scheduled search plan.
        /// </summary>
        /// <param name="action">Needed for the rule pattern and the name</param>
        /// <param name="sourceOutputFilename">null if no output file needed</param>
        public LGSPAction GenerateAction(ScheduledSearchPlan scheduledSearchPlan, LGSPAction action,
            String modelAssemblyLocation, String actionAssemblyLocation, String sourceOutputFilename)
        {
            SourceBuilder sourceCode = new SourceBuilder(CommentSourceCode);
            GenerateFileHeaderForActionsFile(sourceCode, model.GetType().Namespace, action.rulePattern.GetType().Namespace);

            // can't generate new subpattern matchers due to missing scheduled search plans for them / missing graph analyze data
            Debug.Assert(action.rulePattern.patternGraph.embeddedGraphsPlusInlined.Length == 0);

            GenerateActionAndMatcher(sourceCode, action.rulePattern, false);

            // close namespace
            sourceCode.Append("}");

            // write generated source to file if requested
            if(sourceOutputFilename != null)
            {
                StreamWriter writer = new StreamWriter(sourceOutputFilename);
                writer.Write(sourceCode.ToString());
                writer.Close();
            }

            // set up compiler
            CSharpCodeProvider compiler = new CSharpCodeProvider();
            CompilerParameters compParams = GetDynCompilerSetup(modelAssemblyLocation, actionAssemblyLocation);

//            Stopwatch compilerWatch = Stopwatch.StartNew();

            // compile generated code
            CompilerResults compResults = compiler.CompileAssemblyFromSource(compParams, sourceCode.ToString());
            if(compResults.Errors.HasErrors)
            {
                String errorMsg = compResults.Errors.Count + " Errors:";
                foreach(CompilerError error in compResults.Errors)
                    errorMsg += Environment.NewLine + "Line: " + error.Line + " - " + error.ErrorText;
                throw new ArgumentException("Illegal dynamic C# source code produced for actions \"" + action.Name + "\": " + errorMsg);
            }

            // create action instance
            Object obj = compResults.CompiledAssembly.CreateInstance("de.unika.ipd.grGen.lgspActions.DynAction_" + action.Name);

//            long compSourceTicks = compilerWatch.ElapsedTicks;
//            Console.WriteLine("GenMatcher: Compile source: {0} us", compSourceTicks / (Stopwatch.Frequency / 1000000));
            return (LGSPAction) obj;
        }