public void EmitRewritingRuleCountAllCallOrRuleAllCallNonRandom(SourceBuilder source)
{
// iterate through matches, use Modify on each, fire the next match event after the first
if (returnParameterDeclarations.Length != 0)
{
source.AppendFront(returnParameterDeclarationsAllCall + "\n");
}
String enumeratorName = "enum_" + ruleCallGen.seqRule.Id;
source.AppendFront("IEnumerator<" + matchType + "> " + enumeratorName + " = " + matchesName + ".GetEnumeratorExact();\n");
source.AppendFront("while(" + enumeratorName + ".MoveNext())\n");
source.AppendFront("{\n");
source.Indent();
source.AppendFront(matchType + " " + matchName + " = " + enumeratorName + ".Current;\n");
source.AppendFront("if(" + matchName + "!=" + matchesName + ".FirstExact) procEnv.RewritingNextMatch();\n");
if (returnParameterDeclarations.Length != 0)
{
source.AppendFront(returnParameterDeclarations + "\n");
}
source.AppendFront(ruleCallGen.ruleName + ".Modify(procEnv, " + matchName + returnArguments + ");\n");
if (returnAssignments.Length != 0)
{
source.AppendFront(intermediateReturnAssignmentsAllCall + "\n");
}
source.AppendFront("procEnv.PerformanceInfo.RewritesPerformed++;\n");
source.Unindent();
source.AppendFront("}\n");
if (returnAssignments.Length != 0)
{
source.AppendFront(returnAssignmentsAllCall + "\n");
}
}
public void Explain(SourceBuilder sb, IGraphModel model)
{
foreach (SearchOperation searchOp in Operations)
{
searchOp.Explain(sb, model);
}
}
public override void Dump(SourceBuilder builder)
{
// first dump check
builder.AppendFront("CheckCandidate ForType ");
if (Type == CheckCandidateForTypeType.ByIsAllowedType)
{
builder.Append("ByIsAllowedType ");
builder.AppendFormat("on {0} in {1} node:{2}\n",
PatternElementName, RulePatternTypeName, IsNode);
}
else if (Type == CheckCandidateForTypeType.ByIsMyType)
{
builder.Append("ByIsMyType ");
builder.AppendFormat("on {0} in {1} node:{2}\n",
PatternElementName, TypeName, IsNode);
}
else // Type == CheckCandidateForTypeType.ByTypeID
{
builder.Append("ByTypeID ");
builder.AppendFormat("on {0} ids:{1} node:{2}\n",
PatternElementName, string.Join(",", TypeIDs), IsNode);
}
// then operations for case check failed
if (CheckFailedOperations != null)
{
builder.Indent();
CheckFailedOperations.Dump(builder);
builder.Unindent();
}
}
public static void Explain(ScheduledSearchPlan ssp, SourceBuilder sb, IGraphModel model)
{
foreach (SearchOperation searchOp in ssp.Operations)
{
Explain(searchOp, sb, model);
}
}
public override void Emit(SourceBuilder sourceCode)
{
// emit initialization with element mapped from storage
string variableContainingStorage = NamesOfEntities.Variable(StorageName);
string variableContainingSourceElement = NamesOfEntities.CandidateVariable(SourcePatternElementName);
string tempVariableForMapResult = NamesOfEntities.MapWithStorageTemporary(PatternElementName);
sourceCode.AppendFrontFormat("if(!{0}.TryGetValue(({1}){2}, out {3})) ",
variableContainingStorage, StorageKeyTypeName,
variableContainingSourceElement, tempVariableForMapResult);
// emit check failed code
sourceCode.Append("{\n");
sourceCode.Indent();
CheckFailedOperations.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
// assign the value to the candidate variable, cast it to the variable type
string typeOfVariableContainingCandidate = "GRGEN_LGSP."
+ (IsNode ? "LGSPNode" : "LGSPEdge");
string variableContainingCandidate = NamesOfEntities.CandidateVariable(PatternElementName);
sourceCode.AppendFrontFormat("{0} = ({1}){2};\n",
variableContainingCandidate, typeOfVariableContainingCandidate, tempVariableForMapResult);
}
public override void Emit(SourceBuilder sourceCode)
{
// open decision whether to fail
sourceCode.AppendFront("if(");
// fail if graph element contained within candidate was already matched
// (previously on the pattern derivation path to another pattern element)
// as this would cause a inter-pattern-homomorphic match
string variableContainingCandidate = NamesOfEntities.CandidateVariable(PatternElementName);
string isMatchedBySomeBit = "(uint)GRGEN_LGSP.LGSPElemFlags.IS_MATCHED_BY_SOME_ENCLOSING_PATTERN";
if (!Always)
{
sourceCode.Append("searchPatternpath && ");
}
sourceCode.AppendFormat("({0}.lgspFlags & {1})=={1} && GRGEN_LGSP.PatternpathIsomorphyChecker.IsMatched({0}, {2})",
variableContainingCandidate, isMatchedBySomeBit, LastMatchAtPreviousNestingLevel);
sourceCode.Append(")\n");
// emit check failed code
sourceCode.AppendFront("{\n");
sourceCode.Indent();
CheckFailedOperations.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
public override void Dump(SourceBuilder builder)
{
// first dump check
builder.AppendFront("CheckCandidate ForIsomorphy ");
builder.AppendFormat("on {0} negNamePrefix:{1} node:{2} ",
PatternElementName, NegativeIndependentNamePrefix, IsNode);
if (NamesOfPatternElementsToCheckAgainst != null)
{
builder.Append("against ");
foreach (string name in NamesOfPatternElementsToCheckAgainst)
{
builder.AppendFormat("{0} ", name);
}
}
builder.AppendFormat("parallel:{0} first for all:{1} ",
Parallel, LockForAllThreads);
builder.Append("\n");
// then operations for case check failed
if (CheckFailedOperations != null)
{
builder.Indent();
CheckFailedOperations.Dump(builder);
builder.Unindent();
}
}
public bool GenerateExternalDefinedSequence(SourceBuilder source, ExternalDefinedSequenceInfo sequence)
{
// exact sequence definition compiled class
source.Append("\n");
source.AppendFront("public partial class Sequence_" + sequence.Name + " : GRGEN_LIBGR.SequenceDefinitionCompiled\n");
source.AppendFront("{\n");
source.Indent();
GenerateSequenceDefinedSingleton(source, sequence);
source.Append("\n");
GenerateGenericMethodReturnValues(source, sequence);
source.Append("\n");
GenerateExactExternalDefinedSequenceApplicationMethod(source, sequence);
source.Append("\n");
GenerateGenericExternalDefinedSequenceApplicationMethod(source, sequence);
// end of exact sequence definition compiled class
source.Unindent();
source.AppendFront("}\n");
return(true);
}
private static void BuildInterpretationPlan(LGSPGraph graph)
{
graph.matchingState.patternGraph = BuildPatternGraph(graph);
PlanGraph planGraph = PlanGraphGenerator.GeneratePlanGraph(graph.Model, graph.statistics, graph.matchingState.patternGraph,
false, false, false, new Dictionary <PatternElement, SetValueType>());
PlanGraphGenerator.MarkMinimumSpanningArborescence(planGraph, graph.matchingState.patternGraph.name, false);
SearchPlanGraph searchPlanGraph = SearchPlanGraphGeneratorAndScheduler.GenerateSearchPlanGraph(planGraph);
ScheduledSearchPlan scheduledSearchPlan = SearchPlanGraphGeneratorAndScheduler.ScheduleSearchPlan(
searchPlanGraph, graph.matchingState.patternGraph, false, false);
InterpretationPlanBuilder builder = new InterpretationPlanBuilder(scheduledSearchPlan, searchPlanGraph, graph.Model);
graph.matchingState.interpretationPlan = builder.BuildInterpretationPlan("ComparisonMatcher_" + graph.GraphId);
++GraphMatchingState.numInterpretationPlans;
graph.matchingState.changesCounterAtInterpretationPlanBuilding = graph.changesCounterAtLastAnalyze;
Debug.Assert(graph.changesCounterAtLastAnalyze == graph.ChangesCounter);
#if LOG_ISOMORPHY_CHECKING
SourceBuilder sb = new SourceBuilder();
graph.matchingState.interpretationPlan.Dump(sb);
writer.WriteLine();
writer.WriteLine(sb.ToString());
writer.WriteLine();
writer.Flush();
#endif
}
public void EmitMatchingAndCloning(SourceBuilder source, String maxMatches)
{
String parameters = seqHelper.BuildParameters(seqRule, ArgumentExpressions, source);
EmitMatching(source, parameters, maxMatches);
EmitCloning(source);
}
public void EmitMatchedReset(SourceBuilder builder, bool parallel)
{
if(parallel)
builder.AppendFrontFormat("flagsPerElement{0}[candidate{0}.uniqueId] &= (ushort)~GRGEN_LGSP.LGSPElemFlagsParallel.IS_MATCHED;\n", this.Id);
else
builder.AppendFrontFormat("candidate{0}.lgspFlags &= ~((uint)GRGEN_LGSP.LGSPElemFlags.IS_MATCHED);\n", this.Id);
}
public string ExtractEdgeType(SourceBuilder source, SequenceExpression typeExpr)
{
string incidentEdgeType = "graph.Model.EdgeModel.RootType";
if (typeExpr != null)
{
if (typeExpr.Type(env) != "")
{
if (typeExpr.Type(env) == "string")
{
incidentEdgeType = "graph.Model.EdgeModel.GetType((string)" + exprGen.GetSequenceExpression(typeExpr, source) + ")";
}
else
{
incidentEdgeType = "(GRGEN_LIBGR.EdgeType)" + exprGen.GetSequenceExpression(typeExpr, source);
}
}
else
{
incidentEdgeType = exprGen.GetSequenceExpression(typeExpr, source) + " is string ? "
+ "graph.Model.EdgeModel.GetType((string)" + exprGen.GetSequenceExpression(typeExpr, source) + ")"
+ " : " + "(GRGEN_LIBGR.EdgeType)" + exprGen.GetSequenceExpression(typeExpr, source);
}
}
return("(" + incidentEdgeType + ")");
}
public void EmitFiltering(SourceBuilder source)
{
for (int i = 0; i < seqRule.Filters.Count; ++i)
{
seqExprGen.EmitFilterCall(source, seqRule.Filters[i], patternName, matchesName, seqRule.PackagePrefixedName, false);
}
}
public void EmitCloning(SourceBuilder source, SequenceGenerator seqGen, String matchListName, String originalToCloneName)
{
source.AppendFront("if(" + matchesName + ".Count != 0) {\n");
source.Indent();
source.AppendFrontFormat("{0} = ({1}){0}.Clone({2});\n", matchesName, matchesType, originalToCloneName);
source.Unindent();
source.AppendFront("}\n");
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.Append(IsVar ? NamesOfEntities.Variable(Left) : NamesOfEntities.CandidateVariable(Left));
sourceCode.Append(" = ");
sourceCode.Append("(" + TargetType + ")");
Right.Emit(sourceCode);
sourceCode.Append(";\n");
}
/// <summary>
/// Emit variable declarations needed (only once for every variable)
/// </summary>
private void EmitVarIfNew(SequenceVariable var, SourceBuilder source)
{
if (!var.Visited)
{
var.Visited = true;
source.AppendFront(seqHelper.DeclareVar(var));
}
}
public void EmitAddRange(SourceBuilder source, String matchListName)
{
source.AppendFront("if(" + matchesName + ".Count != 0) {\n");
source.Indent();
source.AppendFrontFormat("{0}.AddRange({1});\n", matchListName, matchesName);
source.Unindent();
source.AppendFront("}\n");
}
public void EmitCloning(SourceBuilder source)
{
source.AppendFront("if(" + matchesName + ".Count != 0) {\n");
source.Indent();
source.AppendFront(matchesName + " = (" + matchesType + ")" + matchesName + ".Clone();\n");
source.Unindent();
source.AppendFront("}\n");
}
private void GenerateSequenceDefinedSingleton(SourceBuilder source, DefinedSequenceInfo sequence)
{
String className = "Sequence_" + sequence.Name;
source.AppendFront("private static " + className + " instance = null;\n");
source.AppendFront("public static " + className + " Instance { get { if(instance==null) instance = new " + className + "(); return instance; } }\n");
source.AppendFront("private " + className + "() : base(\"" + sequence.PackagePrefixedName + "\", SequenceInfo_" + sequence.Name + ".Instance) { }\n");
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFront("{ // " + Name + "\n");
sourceCode.Indent();
NestedOperationsList.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFrontFormat("if({0}.Count>0) {{\n", NestedMatchObjectName);
sourceCode.Indent();
NestedOperationsList.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
public override void Dump(SourceBuilder builder)
{
// first dump local content
builder.AppendFront("FillPartialMatchForDuplicateChecking with ");
foreach (string neededElement in NeededElements)
{
builder.AppendFormat("{0} ", neededElement);
}
builder.Append("\n");
}
private static void DumpScheduledSearchPlan(ScheduledSearchPlan ssp, IGraphModel model, String dumpname)
{
StreamWriter sw = new StreamWriter(dumpname + "-scheduledsp.txt", false);
SourceBuilder sb = new SourceBuilder();
ScheduleExplainer.Explain(ssp, sb, model);
sb.Append("\n");
sw.WriteLine(sb.ToString());
sw.Close();
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFrontFormat("foreach({0} {1} in {2}) {{\n",
IteratedMatchTypeName, HelperMatchName, NestedMatchObjectName);
sourceCode.Indent();
NestedOperationsList.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
public void EmitRewriting(SourceBuilder source, SequenceGenerator seqGen, String matchListName, String enumeratorName,
bool fireDebugEvents)
{
source.AppendFrontFormat("case \"{0}\":\n", plainRuleName);
source.AppendFront("{\n");
source.Indent();
source.AppendFront(matchType + " " + matchName + " = (" + matchType + ")" + enumeratorName + ".Current;\n");
String returnParameterDeclarations;
String returnArguments;
String returnAssignments;
String returnParameterDeclarationsAllCall;
String intermediateReturnAssignmentsAllCall;
String returnAssignmentsAllCall;
seqHelper.BuildReturnParameters(seqRule, ReturnVars,
out returnParameterDeclarations, out returnArguments, out returnAssignments,
out returnParameterDeclarationsAllCall, out intermediateReturnAssignmentsAllCall, out returnAssignmentsAllCall);
// start a transaction
if (fireDebugEvents)
{
source.AppendFront("procEnv.Matched(" + matchesName + ", " + matchName + ", " + specialStr + ");\n");
}
if (fireDebugEvents)
{
source.AppendFront("procEnv.Finishing(" + matchesName + ", " + specialStr + ");\n");
}
if (returnParameterDeclarations.Length != 0)
{
source.AppendFront(returnParameterDeclarations + "\n");
}
source.AppendFront(ruleName + ".Modify(procEnv, " + matchName + returnArguments + ");\n");
if (returnAssignments.Length != 0)
{
source.AppendFront(returnAssignments + "\n");
}
source.AppendFront("++procEnv.PerformanceInfo.RewritesPerformed;\n");
if (fireDebugEvents)
{
source.AppendFront("procEnv.Finished(" + matchesName + ", " + specialStr + ");\n");
}
// rule applied, now execute the sequence
seqGen.EmitSequence(seqSeq, source);
source.AppendFront(COMP_HELPER.SetResultVar(seqMulti, COMP_HELPER.GetResultVar(seqSeq)));
source.AppendFront("break;\n");
source.Unindent();
source.AppendFront("}\n");
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFrontFormat("// build match of {0} for patternpath checks\n",
PatternGraphName);
sourceCode.AppendFrontFormat("if({0}==null) {0} = new {1}.{2}();\n",
NamesOfEntities.PatternpathMatch(PatternGraphName),
RulePatternClassName,
NamesOfEntities.MatchClassName(PatternGraphName));
sourceCode.AppendFrontFormat("{0}._matchOfEnclosingPattern = {1};\n",
NamesOfEntities.PatternpathMatch(PatternGraphName), MatchOfNestingPattern);
}
public void GenerateExternalDefinedSequencePlaceholder(SourceBuilder source, ExternalDefinedSequenceInfo sequence, String externalActionsExtensionFilename)
{
source.Append("\n");
source.AppendFront("public partial class Sequence_" + sequence.Name + "\n");
source.AppendFront("{\n");
source.Indent();
GenerateInternalDefinedSequenceApplicationMethodStub(source, sequence, externalActionsExtensionFilename);
source.Unindent();
source.AppendFront("}\n");
}
public override void Emit(SourceBuilder sourceCode)
{
SearchProgramOperation currentOperation = Next;
// depth first walk over nested search program lists
// walk current list here, recursive descent within local Emit-methods
while (currentOperation != null)
{
currentOperation.Emit(sourceCode);
currentOperation = currentOperation.Next;
}
}
public override void Dump(SourceBuilder builder)
{
SearchProgramOperation currentOperation = Next;
// depth first walk over nested search program lists
// walk current list here, recursive descent within local dump-methods
while (currentOperation != null)
{
currentOperation.Dump(builder);
currentOperation = currentOperation.Next;
}
}
public override void Dump(SourceBuilder builder)
{
// first dump check
builder.AppendFront("CheckCandidate Failed \n");
// then operations for case check failed
if (CheckFailedOperations != null)
{
builder.Indent();
CheckFailedOperations.Dump(builder);
builder.Unindent();
}
}
public override void Emit(SourceBuilder sourceCode)
{
if (sourceCode.CommentSourceCode)
{
sourceCode.AppendFrontFormat("// Variable {0} assigned from expression {1} \n",
VariableName, SourceExpression);
}
// emit declaration of variable initialized with expression
sourceCode.AppendFrontFormat("{0} {1} = ({0}){2};\n",
VariableType, NamesOfEntities.Variable(VariableName), SourceExpression);
}
public override void Dump(SourceBuilder builder)
{
// first dump check
builder.AppendFront("CheckPartialMatch ForSubpatternsFound\n");
// then operations for case check failed
if (CheckFailedOperations != null)
{
builder.Indent();
CheckFailedOperations.Dump(builder);
builder.Unindent();
}
}
public void EmitMatchedCheckAndSet(SourceBuilder builder, bool parallel)
{
if(parallel)
{
builder.AppendFrontFormat("List<ushort> flagsPerElement{0} = graph.flagsPerThreadPerElement[threadId];\n", this.Id);
builder.AppendFrontFormat("if((flagsPerElement{0}[candidate{0}.uniqueId] & (ushort)GRGEN_LGSP.LGSPElemFlagsParallel.IS_MATCHED) != 0)\n", this.Id);
builder.AppendFront("\tcontinue;\n");
builder.AppendFrontFormat("flagsPerElement{0}[candidate{0}.uniqueId] |= (ushort)GRGEN_LGSP.LGSPElemFlagsParallel.IS_MATCHED;\n", this.Id);
}
else
{
builder.AppendFrontFormat("if((candidate{0}.lgspFlags & (uint)GRGEN_LGSP.LGSPElemFlags.IS_MATCHED) != 0)\n", this.Id);
builder.AppendFront("\tcontinue;\n");
builder.AppendFrontFormat("candidate{0}.lgspFlags |= (uint)GRGEN_LGSP.LGSPElemFlags.IS_MATCHED;\n", this.Id);
}
}
/// <summary>
/// Generates the action interface plus action implementation including the matcher source code
/// for the given rule pattern into the given source builder
/// </summary>
public void GenerateActionAndMatcher(SourceBuilder sb,
LGSPMatchingPattern matchingPattern, bool isInitialStatic)
{
// generate the search program out of the schedule(s) within the pattern graph of the rule
SearchProgram searchProgram = GenerateSearchProgram(matchingPattern);
// generate the parallelized search program out of the parallelized schedule(s) within the pattern graph of the rule
SearchProgram searchProgramParallelized = GenerateParallelizedSearchProgramAsNeeded(matchingPattern);
// emit matcher class head, body, tail; body is source code representing search program
if(matchingPattern is LGSPRulePattern) {
GenerateActionInterface(sb, (LGSPRulePattern)matchingPattern); // generate the exact action interface
GenerateMatcherClassHeadAction(sb, (LGSPRulePattern)matchingPattern, isInitialStatic, searchProgram);
searchProgram.Emit(sb);
if(searchProgramParallelized != null)
searchProgramParallelized.Emit(sb);
GenerateActionImplementation(sb, (LGSPRulePattern)matchingPattern);
GenerateMatcherClassTail(sb, matchingPattern.PatternGraph.Package != null);
} else {
GenerateMatcherClassHeadSubpattern(sb, matchingPattern, isInitialStatic);
searchProgram.Emit(sb);
if(searchProgramParallelized != null)
searchProgramParallelized.Emit(sb);
GenerateMatcherClassTail(sb, matchingPattern.PatternGraph.Package != null);
}
// finally generate matcher source for all the nested alternatives or iterateds of the pattern graph
// nested inside the alternatives,iterateds,negatives,independents
foreach(Alternative alt in matchingPattern.patternGraph.alternativesPlusInlined)
{
GenerateActionAndMatcherOfAlternative(sb, matchingPattern, alt, isInitialStatic);
}
foreach (Iterated iter in matchingPattern.patternGraph.iteratedsPlusInlined)
{
GenerateActionAndMatcherOfIterated(sb, matchingPattern, iter.iteratedPattern, isInitialStatic);
}
foreach (PatternGraph neg in matchingPattern.patternGraph.negativePatternGraphsPlusInlined)
{
GenerateActionAndMatcherOfNestedPatterns(sb, matchingPattern, neg, isInitialStatic);
}
foreach (PatternGraph idpt in matchingPattern.patternGraph.independentPatternGraphsPlusInlined)
{
GenerateActionAndMatcherOfNestedPatterns(sb, matchingPattern, idpt, isInitialStatic);
}
}
/// <summary>
/// Generates matcher class head source code for the given iterated pattern into given source builder
/// isInitialStatic tells whether the initial static version or a dynamic version after analyze is to be generated.
/// </summary>
public void GenerateMatcherClassHeadIterated(SourceBuilder sb, LGSPMatchingPattern matchingPattern,
PatternGraph iter, bool isInitialStatic)
{
PatternGraph patternGraph = (PatternGraph)matchingPattern.PatternGraph;
String namePrefix = (isInitialStatic ? "" : "Dyn") + "IteratedAction_";
String className = namePrefix + iter.pathPrefix + iter.name;
String matchingPatternClassName = matchingPattern.GetType().Name;
if(patternGraph.Package != null)
{
sb.AppendFrontFormat("namespace {0}\n", patternGraph.Package);
sb.AppendFront("{\n");
sb.Indent();
}
sb.AppendFront("public class " + className + " : GRGEN_LGSP.LGSPSubpatternAction\n");
sb.AppendFront("{\n");
sb.Indent(); // class level
sb.AppendFront("private " + className + "(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_) {\n");
sb.Indent(); // method body level
sb.AppendFront("actionEnv = actionEnv_; openTasks = openTasks_;\n");
sb.AppendFront("patternGraph = " + matchingPatternClassName + ".Instance.patternGraph;\n");
int index = -1;
for (int i=0; i<iter.embeddingGraph.iteratedsPlusInlined.Length; ++i) {
if (iter.embeddingGraph.iteratedsPlusInlined[i].iteratedPattern == iter) index = i;
}
sb.AppendFrontFormat("minMatchesIter = {0};\n", iter.embeddingGraph.iteratedsPlusInlined[index].minMatches);
sb.AppendFrontFormat("maxMatchesIter = {0};\n", iter.embeddingGraph.iteratedsPlusInlined[index].maxMatches);
sb.AppendFront("numMatchesIter = 0;\n");
if(iter.isIterationBreaking)
sb.AppendFront("breakIteration = false;\n");
sb.Unindent(); // class level
sb.AppendFront("}\n\n");
sb.AppendFront("int minMatchesIter;\n");
sb.AppendFront("int maxMatchesIter;\n");
sb.AppendFront("int numMatchesIter;\n");
if(iter.isIterationBreaking)
sb.AppendFront("bool breakIteration;\n");
sb.Append("\n");
GenerateTasksMemoryPool(sb, className, false, iter.isIterationBreaking, matchingPattern.patternGraph.branchingFactor);
Dictionary<string, bool> neededNodes = new Dictionary<string, bool>();
Dictionary<string, bool> neededEdges = new Dictionary<string, bool>();
Dictionary<string, GrGenType> neededVariables = new Dictionary<string, GrGenType>();
foreach (KeyValuePair<string, bool> neededNode in iter.neededNodes)
neededNodes[neededNode.Key] = neededNode.Value;
foreach (KeyValuePair<string, bool> neededEdge in iter.neededEdges)
neededEdges[neededEdge.Key] = neededEdge.Value;
foreach (KeyValuePair<string, GrGenType> neededVariable in iter.neededVariables)
neededVariables[neededVariable.Key] = neededVariable.Value;
foreach (KeyValuePair<string, bool> node in neededNodes)
{
sb.AppendFront("public GRGEN_LGSP.LGSPNode " + node.Key + ";\n");
}
foreach (KeyValuePair<string, bool> edge in neededEdges)
{
sb.AppendFront("public GRGEN_LGSP.LGSPEdge " + edge.Key + ";\n");
}
foreach (KeyValuePair<string, GrGenType> variable in neededVariables)
{
sb.AppendFront("public " + TypesHelper.TypeName(variable.Value) + " " + variable.Key + ";\n");
}
GenerateIndependentsMatchObjects(sb, matchingPattern, iter);
sb.AppendFront("\n");
}
/// <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)");
}
public override string ToString()
{
String fromStr = "";
SourceBuilder sbFrom = new SourceBuilder();
if(From != null)
{
sbFrom.Append(Index.Name);
if(IncludingFrom)
sbFrom.Append("<=");
else
sbFrom.Append("<");
From.Emit(sbFrom);
fromStr = sbFrom.ToString();
}
String toStr = "";
SourceBuilder sbTo = new SourceBuilder();
if(To != null)
{
sbTo.Append(Index.Name);
if(IncludingTo)
sbTo.Append(">=");
else
sbTo.Append(">");
To.Emit(sbTo);
toStr = sbTo.ToString();
}
if(From == null && To == null)
return "descending(" + Index.Name + ")";
else
return "descending(" + fromStr + " " + toStr + ")";
}
/// <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;
}
public override void Emit(SourceBuilder sourceCode)
{
String id = fetchId().ToString();
if(Function is Adjacent)
{
Adjacent adjacent = (Adjacent)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
adjacent.Node.Emit(sourceCode);
sourceCode.Append(";\n");
if(!Profiling)
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.GetCompatibleIncident(", id);
adjacent.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
}
else
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.Incident)\n", id);
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFrontFormat("if(!edge_{0}.InstanceOf(", id);
adjacent.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
}
sourceCode.AppendFrontFormat("if(!edge_{0}.Opposite(node_{0}).InstanceOf(", id);
adjacent.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2}.Opposite(node_{2});\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is AdjacentIncoming)
{
AdjacentIncoming adjacent = (AdjacentIncoming)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
adjacent.Node.Emit(sourceCode);
sourceCode.Append(";\n");
if(!Profiling)
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.GetCompatibleIncoming(", id);
adjacent.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
}
else
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.Incoming)\n", id);
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFrontFormat("if(!edge_{0}.InstanceOf(", id);
adjacent.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
}
sourceCode.AppendFrontFormat("if(!edge_{0}.Source.InstanceOf(", id);
adjacent.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2}.Source;\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is AdjacentOutgoing)
{
AdjacentOutgoing adjacent = (AdjacentOutgoing)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
adjacent.Node.Emit(sourceCode);
sourceCode.Append(";\n");
if(!Profiling)
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.GetCompatibleOutgoing(", id);
adjacent.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
}
else
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.Outgoing)\n", id);
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFrontFormat("if(!edge_{0}.InstanceOf(", id);
adjacent.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
}
sourceCode.AppendFrontFormat("if(!edge_{0}.Target.InstanceOf(", id);
adjacent.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2}.Target;\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is Incident)
{
Incident incident = (Incident)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
incident.Node.Emit(sourceCode);
sourceCode.Append(";\n");
if(!Profiling)
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.GetCompatibleIncident(", id);
incident.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
}
else
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.Incident)\n", id);
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFrontFormat("if(!edge_{0}.InstanceOf(", id);
incident.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
}
sourceCode.AppendFrontFormat("if(!edge_{0}.Opposite(node_{0}).InstanceOf(", id);
incident.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is Incoming)
{
Incoming incident = (Incoming)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
incident.Node.Emit(sourceCode);
sourceCode.Append(";\n");
if(!Profiling)
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.GetCompatibleIncoming(", id);
incident.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
}
else
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.Incoming)\n", id);
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFrontFormat("if(!edge_{0}.InstanceOf(", id);
incident.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
}
sourceCode.AppendFrontFormat("if(!edge_{0}.Source.InstanceOf(", id);
incident.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is Outgoing)
{
Outgoing incident = (Outgoing)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
incident.Node.Emit(sourceCode);
sourceCode.Append(";\n");
if(!Profiling)
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.GetCompatibleOutgoing(", id);
incident.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
}
else
{
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in node_{0}.Outgoing)\n", id);
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFrontFormat("if(!edge_{0}.InstanceOf(", id);
incident.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
}
sourceCode.AppendFrontFormat("if(!edge_{0}.Target.InstanceOf(", id);
incident.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("\tcontinue;\n");
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is Reachable)
{
Reachable reachable = (Reachable)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode iter_{0} in GRGEN_LIBGR.GraphHelper.Reachable(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})iter_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is ReachableIncoming)
{
ReachableIncoming reachable = (ReachableIncoming)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode iter_{0} in GRGEN_LIBGR.GraphHelper.ReachableIncoming(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})iter_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is ReachableOutgoing)
{
ReachableOutgoing reachable = (ReachableOutgoing)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode iter_{0} in GRGEN_LIBGR.GraphHelper.ReachableOutgoing(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})iter_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is ReachableEdges)
{
ReachableEdges reachable = (ReachableEdges)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in GRGEN_LIBGR.GraphHelper.ReachableEdges(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is ReachableEdgesIncoming)
{
ReachableEdgesIncoming reachable = (ReachableEdgesIncoming)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in GRGEN_LIBGR.GraphHelper.ReachableEdgesIncoming(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is ReachableEdgesOutgoing)
{
ReachableEdgesOutgoing reachable = (ReachableEdgesOutgoing)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in GRGEN_LIBGR.GraphHelper.ReachableEdgesOutgoing(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is BoundedReachable)
{
BoundedReachable reachable = (BoundedReachable)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode iter_{0} in GRGEN_LIBGR.GraphHelper.BoundedReachable(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})iter_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is BoundedReachableIncoming)
{
BoundedReachableIncoming reachable = (BoundedReachableIncoming)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode iter_{0} in GRGEN_LIBGR.GraphHelper.BoundedReachableIncoming(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})iter_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is BoundedReachableOutgoing)
{
BoundedReachableOutgoing reachable = (BoundedReachableOutgoing)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode iter_{0} in GRGEN_LIBGR.GraphHelper.BoundedReachableOutgoing(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})iter_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is BoundedReachableEdges)
{
BoundedReachableEdges reachable = (BoundedReachableEdges)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in GRGEN_LIBGR.GraphHelper.BoundedReachableEdges(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is BoundedReachableEdgesIncoming)
{
BoundedReachableEdgesIncoming reachable = (BoundedReachableEdgesIncoming)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in GRGEN_LIBGR.GraphHelper.BoundedReachableEdgesIncoming(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is BoundedReachableEdgesOutgoing)
{
BoundedReachableEdgesOutgoing reachable = (BoundedReachableEdgesOutgoing)Function;
sourceCode.AppendFront("GRGEN_LIBGR.INode node_" + id + " = ");
reachable.Node.Emit(sourceCode);
sourceCode.Append(";\n");
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in GRGEN_LIBGR.GraphHelper.BoundedReachableEdgesOutgoing(node_{0}, ", id);
reachable.IncidentEdgeType.Emit(sourceCode);
sourceCode.Append(", ");
reachable.AdjacentNodeType.Emit(sourceCode);
sourceCode.Append(", ");
sourceCode.Append("graph");
if(Profiling)
sourceCode.Append(", actionEnv");
if(Parallel)
sourceCode.Append(", threadId");
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0} {1} = ({0})edge_{2};\n", VariableType, NamesOfEntities.Variable(Variable), id);
}
else if(Function is Nodes)
{
Nodes nodes = (Nodes)Function;
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.INode node_{0} in graph.GetCompatibleNodes(", id);
nodes.NodeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
}
sourceCode.AppendFront(VariableType + " " + NamesOfEntities.Variable(Variable) + " = (" + VariableType + ") node_" + id + ";\n");
}
else if(Function is Edges)
{
Edges edges = (Edges)Function;
sourceCode.AppendFrontFormat("foreach(GRGEN_LIBGR.IEdge edge_{0} in graph.GetCompatibleEdges(", id);
edges.EdgeType.Emit(sourceCode);
sourceCode.Append("))\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if(Profiling)
{
if(Parallel)
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchStepsPerThread[threadId];\n");
else
sourceCode.AppendFront("++actionEnv.PerformanceInfo.SearchSteps;\n");
}
sourceCode.AppendFront(VariableType + " " + NamesOfEntities.Variable(Variable) + " = (" + VariableType + ") edge_" + id + ";\n");
}
foreach(Yielding statement in Statements)
statement.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
/// <summary>
/// Generates the search program for the given alternative
/// </summary>
SearchProgram GenerateSearchProgramAlternative(LGSPMatchingPattern matchingPattern, Alternative alt)
{
// build pass: build nested program from scheduled search plans of the alternative cases
SearchProgramBuilder searchProgramBuilder = new SearchProgramBuilder();
SearchProgram searchProgram = searchProgramBuilder.BuildSearchProgram(model, matchingPattern, alt, false, Profile);
#if DUMP_SEARCHPROGRAMS
// dump built search program for debugging
SourceBuilder builder = new SourceBuilder(CommentSourceCode);
searchProgram.Dump(builder);
StreamWriter writer = new StreamWriter(matchingPattern.name + "_" + alt.name + "_" + searchProgram.Name + "_built_dump.txt");
writer.Write(builder.ToString());
writer.Close();
#endif
// complete pass: complete check operations in all search programs
SearchProgramCompleter searchProgramCompleter = new SearchProgramCompleter();
searchProgramCompleter.CompleteCheckOperationsInAllSearchPrograms(searchProgram);
#if DUMP_SEARCHPROGRAMS
// dump completed search program for debugging
builder = new SourceBuilder(CommentSourceCode);
searchProgram.Dump(builder);
writer = new StreamWriter(matchingPattern.name + "_" + alt.name + "_" + searchProgram.Name + "_completed_dump.txt");
writer.Write(builder.ToString());
writer.Close();
#endif
return searchProgram;
}
/// <summary>
/// Generates matcher class tail source code
/// </summary>
public void GenerateMatcherClassTail(SourceBuilder sb, bool containedInPackage)
{
sb.Unindent();
sb.AppendFront("}\n");
if(containedInPackage)
{
sb.Unindent();
sb.AppendFront("}\n");
}
sb.AppendFront("\n");
}
/// <summary>
// generate implementation of the exact action interface,
// delegate calls of the inexact action interface IAction to the exact action interface
/// </summary>
void GenerateActionImplementation(SourceBuilder sb, LGSPRulePattern matchingPattern)
{
StringBuilder sbInParameters = new StringBuilder();
StringBuilder sbInArguments = new StringBuilder();
StringBuilder sbInArgumentsFromArray = new StringBuilder();
for(int i = 0; i < matchingPattern.Inputs.Length; ++i)
{
sbInParameters.Append(", ");
sbInParameters.Append(TypesHelper.TypeName(matchingPattern.Inputs[i]));
sbInParameters.Append(" ");
sbInParameters.Append(matchingPattern.InputNames[i]);
sbInArguments.Append(", ");
sbInArguments.Append(matchingPattern.InputNames[i]);
sbInArgumentsFromArray.Append(", (");
sbInArgumentsFromArray.Append(TypesHelper.TypeName(matchingPattern.Inputs[i]));
sbInArgumentsFromArray.Append(") parameters[");
sbInArgumentsFromArray.Append(i);
sbInArgumentsFromArray.Append("]");
}
String inParameters = sbInParameters.ToString();
String inArguments = sbInArguments.ToString();
String inArgumentsFromArray = sbInArgumentsFromArray.ToString();
StringBuilder sbOutParameters = new StringBuilder();
StringBuilder sbRefParameters = new StringBuilder();
StringBuilder sbOutLocals = new StringBuilder();
StringBuilder sbRefLocals = new StringBuilder();
StringBuilder sbOutArguments = new StringBuilder();
StringBuilder sbRefArguments = new StringBuilder();
StringBuilder sbOutIntermediateLocalsAll = new StringBuilder();
StringBuilder sbOutParametersAll = new StringBuilder();
StringBuilder sbOutArgumentsAll = new StringBuilder();
StringBuilder sbIntermediateLocalArgumentsAll = new StringBuilder();
StringBuilder sbOutClassArgumentsAll = new StringBuilder();
for(int i = 0; i < matchingPattern.Outputs.Length; ++i)
{
sbOutParameters.Append(", out ");
sbOutParameters.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sbOutParameters.Append(" output_");
sbOutParameters.Append(i);
sbRefParameters.Append(", ref ");
sbRefParameters.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sbRefParameters.Append(" output_");
sbRefParameters.Append(i);
sbOutLocals.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sbOutLocals.Append(" output_");
sbOutLocals.Append(i);
sbOutLocals.Append("; ");
sbRefLocals.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sbRefLocals.Append(" output_");
sbRefLocals.Append(i);
sbRefLocals.Append(" = ");
sbRefLocals.Append(TypesHelper.DefaultValueString(matchingPattern.Outputs[i].PackagePrefixedName, model));
sbRefLocals.Append("; ");
sbOutArguments.Append(", out output_");
sbOutArguments.Append(i);
sbRefArguments.Append(", ref output_");
sbRefArguments.Append(i);
sbOutIntermediateLocalsAll.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sbOutIntermediateLocalsAll.Append(" output_local_");
sbOutIntermediateLocalsAll.Append(i);
sbOutIntermediateLocalsAll.Append("; ");
sbOutParametersAll.Append(", List<");
sbOutParametersAll.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sbOutParametersAll.Append("> output_");
sbOutParametersAll.Append(i);
sbOutArgumentsAll.Append(", output_");
sbOutArgumentsAll.Append(i);
sbIntermediateLocalArgumentsAll.Append(", out output_local_");
sbIntermediateLocalArgumentsAll.Append(i);
sbOutClassArgumentsAll.Append(", output_list_");
sbOutClassArgumentsAll.Append(i);
}
String outParameters = sbOutParameters.ToString();
String refParameters = sbRefParameters.ToString();
String outLocals = sbOutLocals.ToString();
String refLocals = sbRefLocals.ToString();
String outArguments = sbOutArguments.ToString();
String refArguments = sbRefArguments.ToString();
String outIntermediateLocalsAll = sbOutIntermediateLocalsAll.ToString();
String outParametersAll = sbOutParametersAll.ToString();
String outArgumentsAll = sbOutArgumentsAll.ToString();
String intermediateLocalArgumentsAll = sbIntermediateLocalArgumentsAll.ToString();
String outClassArgumentsAll = sbOutClassArgumentsAll.ToString();
String matchingPatternClassName = matchingPattern.GetType().Name;
String patternName = matchingPattern.name;
String matchType = matchingPatternClassName + "." + NamesOfEntities.MatchInterfaceName(patternName);
String matchesType = "GRGEN_LIBGR.IMatchesExact<" + matchType + ">";
// implementation of exact action interface
sb.AppendFront("/// <summary> Type of the matcher method (with parameters processing environment containing host graph, maximum number of matches to search for (zero=unlimited), and rule parameters; returning found matches). </summary>\n");
sb.AppendFrontFormat("public delegate {0} MatchInvoker(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv, int maxMatches{1});\n", matchesType, inParameters);
sb.AppendFront("/// <summary> A delegate pointing to the current matcher program for this rule. </summary>\n");
sb.AppendFront("public MatchInvoker DynamicMatch;\n");
sb.AppendFront("/// <summary> The RulePattern object from which this LGSPAction object has been created. </summary>\n");
sb.AppendFront("public GRGEN_LIBGR.IRulePattern RulePattern { get { return _rulePattern; } }\n");
for(int i = 0; i < matchingPattern.Outputs.Length; ++i)
{
sb.AppendFront("List<");
sb.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sb.Append("> output_list_");
sb.Append(i.ToString());
sb.Append(" = new List<");
sb.Append(TypesHelper.TypeName(matchingPattern.Outputs[i]));
sb.Append(">();\n");
}
sb.AppendFrontFormat("public {0} Match(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int maxMatches{1})\n", matchesType, inParameters);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("return DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, maxMatches{0});\n", inArguments);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public void Modify(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, {0} match{1})\n", matchType, outParameters);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, match{0});\n", outArguments);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public void ModifyAll(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, {0} matches{1})\n", matchesType, outParametersAll);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("foreach({0} match in matches)\n", matchType);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0}\n", outIntermediateLocalsAll);
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, match{0});\n", intermediateLocalArgumentsAll);
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("output_{0}.Add(output_local_{0});\n", i);
}
sb.Unindent();
sb.AppendFront("}\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public bool Apply(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0}{1})\n", inParameters, refParameters);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0} matches = DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, 1{1});\n", matchesType, inArguments);
sb.AppendFront("if(matches.Count <= 0) return false;\n");
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, matches.First{0});\n", outArguments);
sb.AppendFront("return true;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public int ApplyAll(int maxMatches, GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0}{1})\n", inParameters, outParametersAll);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0} matches = DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, maxMatches{1});\n", matchesType, inArguments);
sb.AppendFront("if(matches.Count <= 0) return 0;\n");
sb.AppendFrontFormat("foreach({0} match in matches)\n", matchType);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0}\n", outIntermediateLocalsAll);
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, match{0});\n", intermediateLocalArgumentsAll);
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("output_{0}.Add(output_local_{0});\n", i);
}
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return matches.Count;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public bool ApplyStar(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0})\n", inParameters);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0} matches;\n", matchesType);
sb.AppendFrontFormat("{0}\n", outLocals);
sb.AppendFront("while(true)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("matches = DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, 1{0});\n", inArguments);
sb.AppendFront("if(matches.Count <= 0) return true;\n");
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, matches.First{0});\n", outArguments);
sb.Unindent();
sb.AppendFront("}\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public bool ApplyPlus(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0})\n", inParameters);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0} matches = DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, 1{1});\n", matchesType, inArguments);
sb.AppendFront("if(matches.Count <= 0) return false;\n");
sb.AppendFrontFormat("{0}\n", outLocals);
sb.AppendFront("do\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, matches.First{0});\n", outArguments);
sb.AppendFrontFormat("matches = DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, 1{0});\n", inArguments);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("while(matches.Count > 0) ;\n");
sb.AppendFront("return true;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFrontFormat("public bool ApplyMinMax(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int min, int max{0})\n", inParameters);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0} matches;\n", matchesType);
sb.AppendFrontFormat("{0}\n", outLocals);
sb.AppendFront("for(int i = 0; i < max; i++)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("matches = DynamicMatch((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, 1{0});\n", inArguments);
sb.AppendFront("if(matches.Count <= 0) return i >= min;\n");
sb.AppendFrontFormat("_rulePattern.Modify((GRGEN_LGSP.LGSPActionExecutionEnvironment)actionEnv, matches.First{0});\n", outArguments);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return true;\n");
sb.Unindent();
sb.AppendFront("}\n");
// implementation of inexact action interface by delegation to exact action interface
sb.AppendFront("// implementation of inexact action interface by delegation to exact action interface\n");
sb.AppendFront("public GRGEN_LIBGR.IMatches Match(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int maxMatches, object[] parameters)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("return Match(actionEnv, maxMatches{0});\n", inArgumentsFromArray);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("public object[] Modify(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, GRGEN_LIBGR.IMatch match)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0}\n", outLocals);
sb.AppendFrontFormat("Modify(actionEnv, ({0})match{1});\n", matchType, outArguments);
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("ReturnArray[{0}] = output_{0};\n", i);
}
sb.AppendFront("return ReturnArray;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("public List<object[]> ModifyAll(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, GRGEN_LIBGR.IMatches matches)\n");
sb.AppendFront("{\n");
sb.Indent();
for(int i = 0; i < matchingPattern.Outputs.Length; ++i)
{
sb.AppendFront("output_list_");
sb.Append(i.ToString());
sb.Append(".Clear();\n");
}
sb.AppendFrontFormat("ModifyAll(actionEnv, ({0})matches{1});\n", matchesType, outClassArgumentsAll);
sb.AppendFront("while(AvailableReturnArrays.Count < matches.Count) AvailableReturnArrays.Add(new object[" + matchingPattern.Outputs.Length + "]);\n");
sb.AppendFront("ReturnArrayListForAll.Clear();\n");
sb.AppendFront("for(int i=0; i<matches.Count; ++i)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("ReturnArrayListForAll.Add(AvailableReturnArrays[i]);\n");
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("ReturnArrayListForAll[i][{0}] = output_list_{0}[i];\n", i);
}
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return ReturnArrayListForAll;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("object[] GRGEN_LIBGR.IAction.Apply(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv)\n");
sb.AppendFront("{\n");
sb.Indent();
if(matchingPattern.Inputs.Length == 0) {
sb.AppendFrontFormat("{0}\n", refLocals);
sb.AppendFrontFormat("if(Apply(actionEnv{0})) ", refArguments);
sb.Append("{\n");
sb.Indent();
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("ReturnArray[{0}] = output_{0};\n", i);
}
sb.AppendFront("return ReturnArray;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("else return null;\n");
}
else
sb.AppendFront("throw new Exception();\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("object[] GRGEN_LIBGR.IAction.Apply(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, params object[] parameters)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("{0}\n", refLocals);
sb.AppendFrontFormat("if(Apply(actionEnv{0}{1})) ", inArgumentsFromArray, refArguments);
sb.Append("{\n");
sb.Indent();
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("ReturnArray[{0}] = output_{0};\n", i);
}
sb.AppendFront("return ReturnArray;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("else return null;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("public List<object[]> Reserve(int numReturns)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("while(AvailableReturnArrays.Count < numReturns) AvailableReturnArrays.Add(new object[" + matchingPattern.Outputs.Length + "]);\n");
sb.AppendFront("ReturnArrayListForAll.Clear();\n");
sb.AppendFront("for(int i=0; i<numReturns; ++i)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("ReturnArrayListForAll.Add(AvailableReturnArrays[i]);\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return ReturnArrayListForAll;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("List<object[]> GRGEN_LIBGR.IAction.ApplyAll(int maxMatches, GRGEN_LIBGR.IActionExecutionEnvironment actionEnv)\n");
sb.AppendFront("{\n");
sb.Indent();
if(matchingPattern.Inputs.Length == 0) {
for(int i = 0; i < matchingPattern.Outputs.Length; ++i)
{
sb.AppendFront("output_list_");
sb.Append(i.ToString());
sb.Append(".Clear();\n");
}
sb.AppendFrontFormat("int matchesCount = ApplyAll(maxMatches, actionEnv{0});\n", outClassArgumentsAll);
sb.AppendFront("while(AvailableReturnArrays.Count < matchesCount) AvailableReturnArrays.Add(new object[" + matchingPattern.Outputs.Length + "]);\n");
sb.AppendFront("ReturnArrayListForAll.Clear();\n");
sb.AppendFront("for(int i=0; i<matchesCount; ++i)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("ReturnArrayListForAll.Add(AvailableReturnArrays[i]);\n");
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("ReturnArrayListForAll[i][{0}] = output_list_{0}[i];\n", i);
}
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return ReturnArrayListForAll;\n");
}
else
sb.AppendFront("throw new Exception();\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("List<object[]> GRGEN_LIBGR.IAction.ApplyAll(int maxMatches, GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, params object[] parameters)\n");
sb.AppendFront("{\n");
sb.Indent();
for(int i = 0; i < matchingPattern.Outputs.Length; ++i)
{
sb.AppendFront("output_list_");
sb.Append(i.ToString());
sb.Append(".Clear();\n");
}
sb.AppendFrontFormat("int matchesCount = ApplyAll(maxMatches, actionEnv{0}{1});\n", inArgumentsFromArray, outClassArgumentsAll);
sb.AppendFront("while(AvailableReturnArrays.Count < matchesCount) AvailableReturnArrays.Add(new object[" + matchingPattern.Outputs.Length + "]);\n");
sb.AppendFront("ReturnArrayListForAll.Clear();\n");
sb.AppendFront("for(int i=0; i<matchesCount; ++i)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("ReturnArrayListForAll.Add(AvailableReturnArrays[i]);\n");
for(int i = 0; i < matchingPattern.Outputs.Length; ++i) {
sb.AppendFrontFormat("ReturnArrayListForAll[i][{0}] = output_list_{0}[i];\n", i);
}
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return ReturnArrayListForAll;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("bool GRGEN_LIBGR.IAction.ApplyStar(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv)\n");
sb.AppendFront("{\n");
sb.Indent();
if(matchingPattern.Inputs.Length == 0)
sb.AppendFront("return ApplyStar(actionEnv);\n");
else
sb.AppendFront("throw new Exception(); return false;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("bool GRGEN_LIBGR.IAction.ApplyStar(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, params object[] parameters)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("return ApplyStar(actionEnv{0});\n", inArgumentsFromArray);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("bool GRGEN_LIBGR.IAction.ApplyPlus(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv)\n");
sb.AppendFront("{\n");
sb.Indent();
if(matchingPattern.Inputs.Length == 0)
sb.AppendFront("return ApplyPlus(actionEnv);\n");
else
sb.AppendFront("throw new Exception(); return false;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("bool GRGEN_LIBGR.IAction.ApplyPlus(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, params object[] parameters)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("return ApplyPlus(actionEnv{0});\n", inArgumentsFromArray);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("bool GRGEN_LIBGR.IAction.ApplyMinMax(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int min, int max)\n");
sb.AppendFront("{\n");
sb.Indent();
if(matchingPattern.Inputs.Length == 0)
sb.AppendFront("return ApplyMinMax(actionEnv, min, max);\n");
else
sb.AppendFront("throw new Exception(); return false;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("bool GRGEN_LIBGR.IAction.ApplyMinMax(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int min, int max, params object[] parameters)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFrontFormat("return ApplyMinMax(actionEnv, min, max{0});\n", inArgumentsFromArray);
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("void GRGEN_LIBGR.IAction.Filter(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, GRGEN_LIBGR.IMatches matches, GRGEN_LIBGR.FilterCall filter)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("if(filter.IsAutoSupplied) {\n");
sb.Indent();
sb.AppendFront("switch(filter.Name) {\n");
sb.Indent();
sb.AppendFront("case \"keepFirst\": matches.FilterKeepFirst((int)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"keepLast\": matches.FilterKeepLast((int)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"keepFirstFraction\": matches.FilterKeepFirstFraction((double)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"keepLastFraction\": matches.FilterKeepLastFraction((double)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"removeFirst\": matches.FilterRemoveFirst((int)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"removeLast\": matches.FilterRemoveLast((int)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"removeFirstFraction\": matches.FilterRemoveFirstFraction((double)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("case \"removeLastFraction\": matches.FilterRemoveLastFraction((double)(filter.ArgumentExpressions[0]!=null ? filter.ArgumentExpressions[0].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[0])); break;\n");
sb.AppendFront("default: throw new Exception(\"Unknown auto supplied filter name!\");\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("switch(filter.FullName) {\n");
sb.Indent();
foreach(IFilter filter in matchingPattern.Filters)
{
if(filter is IFilterAutoGenerated)
{
if(((IFilterAutoGenerated)filter).Entity != null)
{
sb.AppendFrontFormat("case \"{1}<{2}>\": GRGEN_ACTIONS.{4}MatchFilters.Filter_{0}_{1}_{2}((GRGEN_LGSP.LGSPGraphProcessingEnvironment)actionEnv, ({3})matches); break;\n",
patternName, filter.Name, ((IFilterAutoGenerated)filter).Entity, matchesType, TypesHelper.GetPackagePrefixDot(filter.Package));
if(filter.Package != null)
sb.AppendFrontFormat("case \"{5}{1}<{2}>\": GRGEN_ACTIONS.{4}MatchFilters.Filter_{0}_{1}_{2}((GRGEN_LGSP.LGSPGraphProcessingEnvironment)actionEnv, ({3})matches); break;\n",
patternName, filter.Name, ((IFilterAutoGenerated)filter).Entity, matchesType, filter.Package + ".", filter.Package + "::");
}
else // auto
{
sb.AppendFrontFormat("case \"{1}\": GRGEN_ACTIONS.{3}MatchFilters.Filter_{0}_{1}((GRGEN_LGSP.LGSPGraphProcessingEnvironment)actionEnv, ({2})matches); break;\n",
patternName, filter.Name, matchesType, TypesHelper.GetPackagePrefixDot(filter.Package));
if(filter.Package != null)
sb.AppendFrontFormat("case \"{4}{1}\": GRGEN_ACTIONS.{3}MatchFilters.Filter_{0}_{1}((GRGEN_LGSP.LGSPGraphProcessingEnvironment)actionEnv, ({2})matches); break;\n",
patternName, filter.Name, matchesType, filter.Package + ".", filter.Package + "::");
}
}
else
{
IFilterFunction filterFunction = (IFilterFunction)filter;
sb.AppendFrontFormat("case \"{0}\": GRGEN_ACTIONS.{1}MatchFilters.Filter_{2}((GRGEN_LGSP.LGSPGraphProcessingEnvironment)actionEnv, ({3})matches",
filterFunction.Name, TypesHelper.GetPackagePrefixDot(filterFunction.Package), filterFunction.Name, matchesType);
for(int i=0; i<filterFunction.Inputs.Length; ++i)
{
sb.AppendFormat(", ({0})(filter.ArgumentExpressions[{1}]!=null ? filter.ArgumentExpressions[{1}].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[{1}])",
TypesHelper.TypeName(filterFunction.Inputs[i]), i);
}
sb.Append("); break;\n");
if(filter.Package != null)
{
sb.AppendFrontFormat("case \"{4}{0}\": GRGEN_ACTIONS.{1}MatchFilters.Filter_{2}((GRGEN_LGSP.LGSPGraphProcessingEnvironment)actionEnv, ({3})matches",
filterFunction.Name, TypesHelper.GetPackagePrefixDot(filterFunction.Package), filterFunction.Name, matchesType, filter.Package + "::");
for(int i = 0; i < filterFunction.Inputs.Length; ++i)
{
sb.AppendFormat(", ({0})(filter.ArgumentExpressions[{1}]!=null ? filter.ArgumentExpressions[{1}].Evaluate((GRGEN_LIBGR.IGraphProcessingEnvironment)actionEnv) : filter.Arguments[{1}])",
TypesHelper.TypeName(filterFunction.Inputs[i]), i);
}
sb.Append("); break;\n");
}
}
}
sb.AppendFront("default: throw new Exception(\"Unknown filter name!\");\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.Unindent();
sb.AppendFront("}\n");
}
/// <summary>
/// Generates the parallelized search program(s) for the pattern graph of the given rule
/// </summary>
SearchProgram GenerateParallelizedSearchProgramAsNeeded(LGSPMatchingPattern matchingPattern)
{
PatternGraph patternGraph = matchingPattern.patternGraph;
if(patternGraph.parallelizedSchedule == null)
return null;
SearchProgram searchProgramRoot = null;
SearchProgram searchProgramListEnd = null;
for(int i = 0; i < patternGraph.parallelizedSchedule.Length; ++i) // 2 for actions, 1 for subpatterns
{
ScheduledSearchPlan scheduledSearchPlan = patternGraph.parallelizedSchedule[i];
#if DUMP_SCHEDULED_SEARCH_PLAN
StreamWriter sspwriter = new StreamWriter(matchingPattern.name + (i==1 ? "_parallelized_body" : "_parallelized") + "_ssp_dump.txt");
float prevCostToEnd = scheduledSearchPlan.Operations.Length > 0 ? scheduledSearchPlan.Operations[0].CostToEnd : 0f;
foreach(SearchOperation so in scheduledSearchPlan.Operations)
{
sspwriter.Write(SearchOpToString(so) + " ; " + so.CostToEnd + " (+" + (prevCostToEnd-so.CostToEnd) + ")" + "\n");
prevCostToEnd = so.CostToEnd;
}
sspwriter.Close();
#endif
// build pass: build nested program from scheduled search plan
SearchProgramBuilder searchProgramBuilder = new SearchProgramBuilder();
if(matchingPattern is LGSPRulePattern)
{
SearchProgram sp = searchProgramBuilder.BuildSearchProgram(model, (LGSPRulePattern)matchingPattern, i, null, true, Profile);
if(i == 0) searchProgramRoot = searchProgramListEnd = sp;
else searchProgramListEnd = (SearchProgram)searchProgramListEnd.Append(sp);
}
else
{
Debug.Assert(searchProgramRoot == null);
searchProgramRoot = searchProgramListEnd = searchProgramBuilder.BuildSearchProgram(model, matchingPattern, true, Profile);
}
}
#if DUMP_SEARCHPROGRAMS
// dump built search program for debugging
SourceBuilder builder = new SourceBuilder(CommentSourceCode);
searchProgramRoot.Dump(builder);
StreamWriter writer = new StreamWriter(matchingPattern.name + (i==1 ? "_parallelized_body" : "_parallelized") + "_" + searchProgramRoot.Name + "_built_dump.txt");
writer.Write(builder.ToString());
writer.Close();
#endif
// complete pass: complete check operations in all search programs
SearchProgramCompleter searchProgramCompleter = new SearchProgramCompleter();
searchProgramCompleter.CompleteCheckOperationsInAllSearchPrograms(searchProgramRoot);
#if DUMP_SEARCHPROGRAMS
// dump completed search program for debugging
builder = new SourceBuilder(CommentSourceCode);
searchProgramRoot.Dump(builder);
writer = new StreamWriter(matchingPattern.name + (i==1 ? "_parallelized_body" : "_parallelized") + "_" + searchProgramRoot.Name + "_completed_dump.txt");
writer.Write(builder.ToString());
writer.Close();
#endif
return searchProgramRoot;
}
/// <summary>
// generate the exact action interface
/// </summary>
void GenerateActionInterface(SourceBuilder sb, LGSPRulePattern matchingPattern)
{
String actionInterfaceName = "IAction_"+matchingPattern.name;
String outParameters = "";
String refParameters = "";
String allParameters = "";
for(int i = 0; i < matchingPattern.Outputs.Length; ++i)
{
outParameters += ", out " + TypesHelper.TypeName(matchingPattern.Outputs[i]) + " output_"+i;
refParameters += ", ref " + TypesHelper.TypeName(matchingPattern.Outputs[i]) + " output_"+i;
allParameters += ", List<" + TypesHelper.TypeName(matchingPattern.Outputs[i]) + "> output_"+i;
}
String inParameters = "";
for(int i=0; i<matchingPattern.Inputs.Length; ++i) {
inParameters += ", " + TypesHelper.TypeName(matchingPattern.Inputs[i]) + " " + matchingPattern.InputNames[i];
}
String matchingPatternClassName = matchingPattern.GetType().Name;
String patternName = matchingPattern.name;
String matchType = matchingPatternClassName + "." + NamesOfEntities.MatchInterfaceName(patternName);
String matchesType = "GRGEN_LIBGR.IMatchesExact<" + matchType + ">" ;
if(matchingPattern.PatternGraph.Package != null)
{
sb.AppendFrontFormat("namespace {0}\n", matchingPattern.PatternGraph.Package);
sb.AppendFront("{\n");
sb.Indent();
}
sb.AppendFront("/// <summary>\n");
sb.AppendFront("/// An object representing an executable rule - same as IAction, but with exact types and distinct parameters.\n");
sb.AppendFront("/// </summary>\n");
sb.AppendFrontFormat("public interface {0}\n", actionInterfaceName);
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("/// <summary> same as IAction.Match, but with exact types and distinct parameters. </summary>\n");
sb.AppendFrontFormat("{0} Match(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int maxMatches{1});\n", matchesType, inParameters);
sb.AppendFront("/// <summary> same as IAction.Modify, but with exact types and distinct parameters. </summary>\n");
sb.AppendFrontFormat("void Modify(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, {0} match{1});\n", matchType, outParameters);
sb.AppendFront("/// <summary> same as IAction.ModifyAll, but with exact types and distinct parameters. </summary>\n");
sb.AppendFrontFormat("void ModifyAll(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, {0} matches{1});\n", matchesType, allParameters);
sb.AppendFront("/// <summary> same as IAction.Apply, but with exact types and distinct parameters; returns true if applied </summary>\n");
sb.AppendFrontFormat("bool Apply(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0}{1});\n", inParameters, refParameters);
sb.AppendFront("/// <summary> same as IAction.ApplyAll, but with exact types and distinct parameters; returns the number of matches found/applied. </summary>\n");
sb.AppendFrontFormat("int ApplyAll(int maxMatches, GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0}{1});\n", inParameters, allParameters);
sb.AppendFront("/// <summary> same as IAction.ApplyStar, but with exact types and distinct parameters. </summary>\n");
sb.AppendFrontFormat("bool ApplyStar(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0});\n", inParameters);
sb.AppendFront("/// <summary> same as IAction.ApplyPlus, but with exact types and distinct parameters. </summary>\n");
sb.AppendFrontFormat("bool ApplyPlus(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv{0});\n", inParameters);
sb.AppendFront("/// <summary> same as IAction.ApplyMinMax, but with exact types and distinct parameters. </summary>\n");
sb.AppendFrontFormat("bool ApplyMinMax(GRGEN_LIBGR.IActionExecutionEnvironment actionEnv, int min, int max{0});\n", inParameters);
sb.Unindent();
sb.AppendFront("}\n");
if(matchingPattern.PatternGraph.Package != null)
{
sb.Unindent();
sb.AppendFront("}\n");
}
sb.AppendFront("\n");
}
/// <summary>
/// Generates the action interface plus action implementation including the matcher source code
/// for the alternatives/iterateds nested within the given negative/independent pattern graph into the given source builder
/// </summary>
public void GenerateActionAndMatcherOfNestedPatterns(SourceBuilder sb,
LGSPMatchingPattern matchingPattern, PatternGraph negOrIdpt, bool isInitialStatic)
{
// nothing to do locally ..
// .. just move on to the nested alternatives or iterateds
foreach (Alternative alt in negOrIdpt.alternativesPlusInlined)
{
GenerateActionAndMatcherOfAlternative(sb, matchingPattern, alt, isInitialStatic);
}
foreach (Iterated iter in negOrIdpt.iteratedsPlusInlined)
{
GenerateActionAndMatcherOfIterated(sb, matchingPattern, iter.iteratedPattern, isInitialStatic);
}
foreach (PatternGraph nestedNeg in negOrIdpt.negativePatternGraphsPlusInlined)
{
GenerateActionAndMatcherOfNestedPatterns(sb, matchingPattern, nestedNeg, isInitialStatic);
}
foreach (PatternGraph nestedIdpt in negOrIdpt.independentPatternGraphsPlusInlined)
{
GenerateActionAndMatcherOfNestedPatterns(sb, matchingPattern, nestedIdpt, isInitialStatic);
}
}
/// <summary>
/// Generates the action interface plus action implementation including the matcher source code
/// for the given iterated pattern into the given source builder
/// </summary>
public void GenerateActionAndMatcherOfIterated(SourceBuilder sb,
LGSPMatchingPattern matchingPattern, PatternGraph iter, bool isInitialStatic)
{
// generate the search program out of the schedule within the pattern graph of the iterated pattern
SearchProgram searchProgram = GenerateSearchProgramIterated(matchingPattern, iter);
// generate the parallelized search program out of the parallelized schedule within the pattern graph of the iterated pattern
SearchProgram searchProgramParallelized = GenerateParallelizedSearchProgramIteratedAsNeeded(matchingPattern, iter);
// emit matcher class head, body, tail; body is source code representing search program
GenerateMatcherClassHeadIterated(sb, matchingPattern, iter, isInitialStatic);
searchProgram.Emit(sb);
if(searchProgramParallelized != null)
searchProgramParallelized.Emit(sb);
GenerateMatcherClassTail(sb, matchingPattern.PatternGraph.Package != null);
// finally generate matcher source for all the nested alternatives or iterateds of the iterated pattern graph
// nested inside the alternatives,iterateds,negatives,independents
foreach (Alternative alt in iter.alternativesPlusInlined)
{
GenerateActionAndMatcherOfAlternative(sb, matchingPattern, alt, isInitialStatic);
}
foreach (Iterated nestedIter in iter.iteratedsPlusInlined)
{
GenerateActionAndMatcherOfIterated(sb, matchingPattern, nestedIter.iteratedPattern, isInitialStatic);
}
foreach (PatternGraph neg in iter.negativePatternGraphsPlusInlined)
{
GenerateActionAndMatcherOfNestedPatterns(sb, matchingPattern, neg, isInitialStatic);
}
foreach (PatternGraph idpt in iter.independentPatternGraphsPlusInlined)
{
GenerateActionAndMatcherOfNestedPatterns(sb, matchingPattern, idpt, isInitialStatic);
}
}
/// <summary>
/// Generates match objects of independents (one pre-allocated is part of action class)
/// </summary>
private void GenerateIndependentsMatchObjects(SourceBuilder sb,
LGSPMatchingPattern matchingPatternClass, PatternGraph patternGraph)
{
if (patternGraph.nestedIndependents != null)
{
foreach (KeyValuePair<PatternGraph, PatternGraph> nestedIndependent in patternGraph.nestedIndependents)
{
if(nestedIndependent.Key.originalPatternGraph != null)
{
sb.AppendFrontFormat("private {0} {1} = new {0}();",
nestedIndependent.Key.originalSubpatternEmbedding.matchingPatternOfEmbeddedGraph.GetType().Name + "." + NamesOfEntities.MatchClassName(nestedIndependent.Key.originalPatternGraph.pathPrefix + nestedIndependent.Key.originalPatternGraph.name),
NamesOfEntities.MatchedIndependentVariable(nestedIndependent.Key.pathPrefix + nestedIndependent.Key.name));
}
else
{
sb.AppendFrontFormat("private {0} {1} = new {0}();",
matchingPatternClass.GetType().Name + "." + NamesOfEntities.MatchClassName(nestedIndependent.Key.pathPrefix + nestedIndependent.Key.name),
NamesOfEntities.MatchedIndependentVariable(nestedIndependent.Key.pathPrefix + nestedIndependent.Key.name));
}
}
}
foreach (PatternGraph idpt in patternGraph.independentPatternGraphsPlusInlined)
{
GenerateIndependentsMatchObjects(sb, matchingPatternClass, idpt);
}
}
/// <summary>
/// Generates the parallelized search program for the given iterated pattern
/// </summary>
SearchProgram GenerateParallelizedSearchProgramIteratedAsNeeded(LGSPMatchingPattern matchingPattern, PatternGraph iter)
{
if(matchingPattern.patternGraph.parallelizedSchedule == null)
return null;
// build pass: build nested program from scheduled search plan of the all pattern
SearchProgramBuilder searchProgramBuilder = new SearchProgramBuilder();
SearchProgram searchProgram = searchProgramBuilder.BuildSearchProgram(model, matchingPattern, iter, true, Profile);
#if DUMP_SEARCHPROGRAMS
// dump built search program for debugging
SourceBuilder builder = new SourceBuilder(CommentSourceCode);
searchProgram.Dump(builder);
StreamWriter writer = new StreamWriter(matchingPattern.name + "_parallelized_" + iter.name + "_" + searchProgram.Name + "_built_dump.txt");
writer.Write(builder.ToString());
writer.Close();
#endif
// complete pass: complete check operations in all search programs
SearchProgramCompleter searchProgramCompleter = new SearchProgramCompleter();
searchProgramCompleter.CompleteCheckOperationsInAllSearchPrograms(searchProgram);
#if DUMP_SEARCHPROGRAMS
// dump completed search program for debugging
builder = new SourceBuilder(CommentSourceCode);
searchProgram.Dump(builder);
writer = new StreamWriter(matchingPattern.name + "_parallelized_" + iter.name + "_" + searchProgram.Name + "_completed_dump.txt");
writer.Write(builder.ToString());
writer.Close();
#endif
return searchProgram;
}
/// <summary>
/// Generates memory pooling code for matching tasks of class given by it's name
/// </summary>
private void GenerateTasksMemoryPool(SourceBuilder sb, String className, bool isAlternative, bool isIterationBreaking, int branchingFactor)
{
// getNewTask method handing out new task from pool or creating task if pool is empty
if(isAlternative)
sb.AppendFront("public static " + className + " getNewTask(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, "
+ "Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_, GRGEN_LGSP.PatternGraph[] patternGraphs_) {\n");
else
sb.AppendFront("public static " + className + " getNewTask(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, "
+ "Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_) {\n");
sb.Indent();
sb.AppendFront(className + " newTask;\n");
sb.AppendFront("if(numFreeTasks>0) {\n");
sb.Indent();
sb.AppendFront("newTask = freeListHead;\n");
sb.AppendFront("newTask.actionEnv = actionEnv_; newTask.openTasks = openTasks_;\n");
if(isAlternative)
sb.AppendFront("newTask.patternGraphs = patternGraphs_;\n");
else if(isIterationBreaking)
sb.AppendFront("newTask.breakIteration = false;\n");
sb.AppendFront("freeListHead = newTask.next;\n");
sb.AppendFront("newTask.next = null;\n");
sb.AppendFront("--numFreeTasks;\n");
sb.Unindent();
sb.AppendFront("} else {\n");
sb.Indent();
if(isAlternative)
sb.AppendFront("newTask = new " + className + "(actionEnv_, openTasks_, patternGraphs_);\n");
else
sb.AppendFront("newTask = new " + className + "(actionEnv_, openTasks_);\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return newTask;\n");
sb.Unindent();
sb.AppendFront("}\n\n");
// releaseTask method recycling task into pool if pool is not full
sb.AppendFront("public static void releaseTask(" + className + " oldTask) {\n");
sb.Indent();
sb.AppendFront("if(numFreeTasks<MAX_NUM_FREE_TASKS) {\n");
sb.Indent();
sb.AppendFront("oldTask.next = freeListHead;\n");
sb.AppendFront("oldTask.actionEnv = null; oldTask.openTasks = null;\n");
sb.AppendFront("freeListHead = oldTask;\n");
sb.AppendFront("++numFreeTasks;\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.Unindent();
sb.AppendFront("}\n\n");
// tasks pool administration data
sb.AppendFront("private static " + className + " freeListHead = null;\n");
sb.AppendFront("private static int numFreeTasks = 0;\n");
sb.AppendFront("private const int MAX_NUM_FREE_TASKS = 100;\n\n"); // todo: compute antiproportional to pattern size
sb.AppendFront("private " + className + " next = null;\n\n");
// for parallelized subpatterns/alternatives/iterateds we need a freelist per thread
if(branchingFactor > 1)
{
// getNewTask method handing out new task from pool or creating task if pool is empty
if(isAlternative)
sb.AppendFront("public static " + className + " getNewTask(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, "
+ "Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_, GRGEN_LGSP.PatternGraph[] patternGraphs_, int threadId) {\n");
else
sb.AppendFront("public static " + className + " getNewTask(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, "
+ "Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_, int threadId) {\n");
sb.Indent();
sb.AppendFront(className + " newTask;\n");
sb.AppendFront("if(numFreeTasks_perWorker[threadId]>0) {\n");
sb.Indent();
sb.AppendFront("newTask = freeListHead_perWorker[threadId];\n");
sb.AppendFront("newTask.actionEnv = actionEnv_; newTask.openTasks = openTasks_;\n");
if(isAlternative)
sb.AppendFront("newTask.patternGraphs = patternGraphs_;\n");
else if(isIterationBreaking)
sb.AppendFront("newTask.breakIteration = false;\n");
sb.AppendFront("freeListHead_perWorker[threadId] = newTask.next;\n");
sb.AppendFront("newTask.next = null;\n");
sb.AppendFront("--numFreeTasks_perWorker[threadId];\n");
sb.Unindent();
sb.AppendFront("} else {\n");
sb.Indent();
if(isAlternative)
sb.AppendFront("newTask = new " + className + "(actionEnv_, openTasks_, patternGraphs_);\n");
else
sb.AppendFront("newTask = new " + className + "(actionEnv_, openTasks_);\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("return newTask;\n");
sb.Unindent();
sb.AppendFront("}\n\n");
// releaseTask method recycling task into pool if pool is not full
sb.AppendFront("public static void releaseTask(" + className + " oldTask, int threadId) {\n");
sb.Indent();
sb.AppendFront("if(numFreeTasks_perWorker[threadId]<MAX_NUM_FREE_TASKS/2) {\n");
sb.Indent();
sb.AppendFront("oldTask.next = freeListHead_perWorker[threadId];\n");
sb.AppendFront("oldTask.actionEnv = null; oldTask.openTasks = null;\n");
sb.AppendFront("freeListHead_perWorker[threadId] = oldTask;\n");
sb.AppendFront("++numFreeTasks_perWorker[threadId];\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.Unindent();
sb.AppendFront("}\n\n");
// tasks pool administration data
sb.AppendFront("private static " + className + "[] freeListHead_perWorker = new " + className + "[Math.Min(" + branchingFactor + ", Environment.ProcessorCount)];\n");
sb.AppendFront("private static int[] numFreeTasks_perWorker = new int[Math.Min(" + branchingFactor + ", Environment.ProcessorCount)];\n");
}
}
/// <summary>
/// Generates file header for actions file into given source builer
/// </summary>
public void GenerateFileHeaderForActionsFile(SourceBuilder sb,
String namespaceOfModel, String namespaceOfRulePatterns)
{
sb.AppendFront("using System;\n"
+ "using System.Collections.Generic;\n"
+ "using System.Collections;\n"
+ "using System.Text;\n"
+ "using System.Threading;\n"
+ "using GRGEN_LIBGR = de.unika.ipd.grGen.libGr;\n"
+ "using GRGEN_EXPR = de.unika.ipd.grGen.expression;\n"
+ "using GRGEN_LGSP = de.unika.ipd.grGen.lgsp;\n"
+ "using GRGEN_MODEL = " + namespaceOfModel + ";\n"
+ "using GRGEN_ACTIONS = " + namespaceOfRulePatterns + ";\n"
+ "using " + namespaceOfRulePatterns + ";\n\n");
sb.AppendFront("namespace de.unika.ipd.grGen.lgspActions\n");
sb.AppendFront("{\n");
sb.Indent(); // namespace level
}
/// <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;
}
/// <summary>
/// Generates matcher class head source code for the pattern of the rulePattern into given source builder
/// isInitialStatic tells whether the initial static version or a dynamic version after analyze is to be generated.
/// </summary>
void GenerateMatcherClassHeadAction(SourceBuilder sb, LGSPRulePattern rulePattern,
bool isInitialStatic, SearchProgram searchProgram)
{
PatternGraph patternGraph = (PatternGraph)rulePattern.PatternGraph;
String namePrefix = (isInitialStatic ? "" : "Dyn") + "Action_";
String className = namePrefix + rulePattern.name;
String rulePatternClassName = rulePattern.GetType().Name;
String matchClassName = rulePatternClassName + "." + "Match_" + rulePattern.name;
String matchInterfaceName = rulePatternClassName + "." + "IMatch_" + rulePattern.name;
String actionInterfaceName = "IAction_" + rulePattern.name;
if(patternGraph.Package != null)
{
sb.AppendFrontFormat("namespace {0}\n", patternGraph.Package);
sb.AppendFront("{\n");
sb.Indent();
}
sb.AppendFront("public class " + className + " : GRGEN_LGSP.LGSPAction, "
+ "GRGEN_LIBGR.IAction, " + actionInterfaceName + "\n");
sb.AppendFront("{\n");
sb.Indent(); // class level
sb.AppendFront("public " + className + "() {\n");
sb.Indent(); // method body level
sb.AppendFront("_rulePattern = " + rulePatternClassName + ".Instance;\n");
sb.AppendFront("patternGraph = _rulePattern.patternGraph;\n");
if(rulePattern.patternGraph.branchingFactor < 2)
{
sb.AppendFront("DynamicMatch = myMatch;\n");
if(!isInitialStatic)
sb.AppendFrontFormat("GRGEN_ACTIONS.Action_{0}.Instance.DynamicMatch = myMatch;\n", rulePattern.name);
}
else
{
sb.AppendFront("if(Environment.ProcessorCount == 1)\n");
sb.AppendFront("{\n");
sb.AppendFront("\tDynamicMatch = myMatch;\n");
if(!isInitialStatic)
sb.AppendFrontFormat("\tGRGEN_ACTIONS.Action_{0}.Instance.DynamicMatch = myMatch;\n", rulePattern.name);
sb.AppendFront("}\n");
sb.AppendFront("else\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("DynamicMatch = myMatch_parallelized;\n");
if(!isInitialStatic)
sb.AppendFrontFormat("GRGEN_ACTIONS.Action_{0}.Instance.DynamicMatch = myMatch_parallelized;\n", rulePattern.name);
sb.AppendFrontFormat("numWorkerThreads = GRGEN_LGSP.WorkerPool.EnsurePoolSize({0});\n", rulePattern.patternGraph.branchingFactor);
sb.AppendFrontFormat("parallelTaskMatches = new GRGEN_LGSP.LGSPMatchesList<{0}, {1}>[numWorkerThreads];\n", matchClassName, matchInterfaceName);
sb.AppendFront("moveHeadAfterNodes = new List<GRGEN_LGSP.LGSPNode>[numWorkerThreads];\n");
sb.AppendFront("moveHeadAfterEdges = new List<GRGEN_LGSP.LGSPEdge>[numWorkerThreads];\n");
sb.AppendFront("moveOutHeadAfter = new List<KeyValuePair<GRGEN_LGSP.LGSPNode, GRGEN_LGSP.LGSPEdge>>[numWorkerThreads];\n");
sb.AppendFront("moveInHeadAfter = new List<KeyValuePair<GRGEN_LGSP.LGSPNode, GRGEN_LGSP.LGSPEdge>>[numWorkerThreads];\n");
sb.AppendFront("for(int i=0; i<numWorkerThreads; ++i)\n");
sb.AppendFront("{\n");
sb.Indent();
sb.AppendFront("moveHeadAfterNodes[i] = new List<GRGEN_LGSP.LGSPNode>();\n");
sb.AppendFront("moveHeadAfterEdges[i] = new List<GRGEN_LGSP.LGSPEdge>();\n");
sb.AppendFront("moveOutHeadAfter[i] = new List<KeyValuePair<GRGEN_LGSP.LGSPNode, GRGEN_LGSP.LGSPEdge>>();\n");
sb.AppendFront("moveInHeadAfter[i] = new List<KeyValuePair<GRGEN_LGSP.LGSPNode, GRGEN_LGSP.LGSPEdge>>();\n");
sb.Unindent();
sb.AppendFront("}\n");
sb.AppendFront("for(int i=0; i<parallelTaskMatches.Length; ++i)\n");
sb.AppendFrontFormat("\tparallelTaskMatches[i] = new GRGEN_LGSP.LGSPMatchesList<{0}, {1}>(this);\n", matchClassName, matchInterfaceName);
sb.Unindent();
sb.AppendFront("}\n");
}
sb.AppendFrontFormat("ReturnArray = new object[{0}];\n", rulePattern.Outputs.Length);
sb.AppendFront("matches = new GRGEN_LGSP.LGSPMatchesList<" + matchClassName +", " + matchInterfaceName + ">(this);\n");
sb.Unindent(); // class level
sb.AppendFront("}\n\n");
sb.AppendFront("public " + rulePatternClassName + " _rulePattern;\n");
sb.AppendFront("public override GRGEN_LGSP.LGSPRulePattern rulePattern { get { return _rulePattern; } }\n");
sb.AppendFront("public override string Name { get { return \"" + rulePattern.name + "\"; } }\n");
sb.AppendFront("private GRGEN_LGSP.LGSPMatchesList<" + matchClassName + ", " + matchInterfaceName + "> matches;\n\n");
if (isInitialStatic)
{
sb.AppendFront("public static " + className + " Instance { get { return instance; } set { instance = value; } }\n");
sb.AppendFront("private static " + className + " instance = new " + className + "();\n");
}
GenerateIndependentsMatchObjects(sb, rulePattern, patternGraph);
sb.AppendFront("\n");
GenerateParallelizationSetupAsNeeded(sb, rulePattern, searchProgram);
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.Append(NamesOfEntities.Variable(Left));
sourceCode.Append("[");
Index.Emit(sourceCode);
sourceCode.Append("] = ");
Right.Emit(sourceCode);
sourceCode.Append(";\n");
}
void GenerateParallelizationSetupAsNeeded(SourceBuilder sb, LGSPRulePattern rulePattern, SearchProgram searchProgram)
{
if(rulePattern.patternGraph.branchingFactor < 2)
return;
foreach(SearchOperation so in rulePattern.patternGraph.parallelizedSchedule[0].Operations)
{
switch(so.Type)
{
case SearchOperationType.WriteParallelPreset:
if(so.Element is SearchPlanNodeNode)
sb.AppendFrontFormat("GRGEN_LGSP.LGSPNode {0};\n", NamesOfEntities.IterationParallelizationParallelPresetCandidate(((SearchPlanNodeNode)so.Element).PatternElement.Name));
else //SearchPlanEdgeNode
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationParallelPresetCandidate(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
break;
case SearchOperationType.WriteParallelPresetVar:
sb.AppendFrontFormat("{0} {1};\n",
TypesHelper.TypeName(((PatternVariable)so.Element).Type),
NamesOfEntities.IterationParallelizationParallelPresetCandidate(((PatternVariable)so.Element).Name));
break;
case SearchOperationType.SetupParallelLookup:
if(so.Element is SearchPlanNodeNode)
{
sb.AppendFrontFormat("GRGEN_LGSP.LGSPNode {0};\n", NamesOfEntities.IterationParallelizationListHead(((SearchPlanNodeNode)so.Element).PatternElement.Name));
sb.AppendFrontFormat("GRGEN_LGSP.LGSPNode {0};\n", NamesOfEntities.IterationParallelizationNextCandidate(((SearchPlanNodeNode)so.Element).PatternElement.Name));
}
else
{
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationListHead(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationNextCandidate(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
}
break;
case SearchOperationType.SetupParallelPickFromStorage:
if(TypesHelper.DotNetTypeToXgrsType(so.Storage.Variable.type).StartsWith("set") || TypesHelper.DotNetTypeToXgrsType(so.Storage.Variable.type).StartsWith("map"))
{
sb.AppendFrontFormat("IEnumerator<KeyValuePair<{0},{1}>> {2};\n",
TypesHelper.XgrsTypeToCSharpType(TypesHelper.ExtractSrc(TypesHelper.DotNetTypeToXgrsType(so.Storage.Variable.Type)), model),
TypesHelper.XgrsTypeToCSharpType(TypesHelper.ExtractDst(TypesHelper.DotNetTypeToXgrsType(so.Storage.Variable.Type)), model),
NamesOfEntities.IterationParallelizationIterator(((SearchPlanNode)so.Element).PatternElement.Name));
}
else
{
sb.AppendFrontFormat("IEnumerator<{0}> {1};\n",
TypesHelper.XgrsTypeToCSharpType(TypesHelper.ExtractSrc(TypesHelper.DotNetTypeToXgrsType(so.Storage.Variable.Type)), model),
NamesOfEntities.IterationParallelizationIterator(((SearchPlanNode)so.Element).PatternElement.Name));
}
break;
case SearchOperationType.SetupParallelPickFromStorageDependent:
if(TypesHelper.AttributeTypeToXgrsType(so.Storage.Attribute.Attribute).StartsWith("set") || TypesHelper.AttributeTypeToXgrsType(so.Storage.Attribute.Attribute).StartsWith("map"))
{
sb.AppendFrontFormat("IEnumerator<KeyValuePair<{0},{1}>> {2};\n",
TypesHelper.XgrsTypeToCSharpType(TypesHelper.ExtractSrc(TypesHelper.AttributeTypeToXgrsType(so.Storage.Attribute.Attribute)), model),
TypesHelper.XgrsTypeToCSharpType(TypesHelper.ExtractDst(TypesHelper.AttributeTypeToXgrsType(so.Storage.Attribute.Attribute)), model),
NamesOfEntities.IterationParallelizationIterator(((SearchPlanNode)so.Element).PatternElement.Name));
}
else
{
sb.AppendFrontFormat("IEnumerator<{0}> {1};\n",
TypesHelper.XgrsTypeToCSharpType(TypesHelper.ExtractSrc(TypesHelper.AttributeTypeToXgrsType(so.Storage.Attribute.Attribute)), model),
NamesOfEntities.IterationParallelizationIterator(((SearchPlanNode)so.Element).PatternElement.Name));
}
break;
case SearchOperationType.SetupParallelPickFromIndex:
sb.AppendFrontFormat("IEnumerator<{0}> {1};\n",
TypesHelper.TypeName(so.IndexAccess.Index is AttributeIndexDescription ?
((AttributeIndexDescription)so.IndexAccess.Index).GraphElementType :
((IncidenceCountIndexDescription)so.IndexAccess.Index).StartNodeType),
NamesOfEntities.IterationParallelizationIterator(((SearchPlanNode)so.Element).PatternElement.Name));
break;
case SearchOperationType.SetupParallelPickFromIndexDependent:
sb.AppendFrontFormat("IEnumerator<{0}> {1};\n",
TypesHelper.TypeName(so.IndexAccess.Index is AttributeIndexDescription ?
((AttributeIndexDescription)so.IndexAccess.Index).GraphElementType :
((IncidenceCountIndexDescription)so.IndexAccess.Index).StartNodeType),
NamesOfEntities.IterationParallelizationIterator(((SearchPlanNode)so.Element).PatternElement.Name));
break;
case SearchOperationType.SetupParallelIncoming:
case SearchOperationType.SetupParallelOutgoing:
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationListHead(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationNextCandidate(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
break;
case SearchOperationType.SetupParallelIncident:
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationListHead(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
sb.AppendFrontFormat("GRGEN_LGSP.LGSPEdge {0};\n", NamesOfEntities.IterationParallelizationNextCandidate(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
sb.AppendFrontFormat("int {0};\n", NamesOfEntities.IterationParallelizationDirectionRunCounterVariable(((SearchPlanEdgeNode)so.Element).PatternElement.Name));
break;
}
}
sb.AppendFront("\n");
String rulePatternClassName = rulePattern.GetType().Name;
String matchClassName = rulePatternClassName + "." + "Match_" + rulePattern.name;
String matchInterfaceName = rulePatternClassName + "." + "IMatch_" + rulePattern.name;
sb.AppendFront("private static GRGEN_LGSP.LGSPMatchesList<" + matchClassName + ", " + matchInterfaceName + ">[] parallelTaskMatches;\n");
sb.AppendFront("private static int numWorkerThreads;\n");
sb.AppendFront("private static int iterationNumber;\n");
sb.AppendFront("private static int iterationLock;\n");
sb.AppendFront("[ThreadStatic] private static int currentIterationNumber;\n");
sb.AppendFront("[ThreadStatic] private static int threadId;\n");
sb.AppendFront("private static GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnvParallel;\n");
sb.AppendFront("private static int maxMatchesParallel;\n");
sb.AppendFront("private static bool maxMatchesFound = false;\n");
sb.AppendFront("private static List<GRGEN_LGSP.LGSPNode>[] moveHeadAfterNodes;\n");
sb.AppendFront("private static List<GRGEN_LGSP.LGSPEdge>[] moveHeadAfterEdges;\n");
sb.AppendFront("private static List<KeyValuePair<GRGEN_LGSP.LGSPNode, GRGEN_LGSP.LGSPEdge>>[] moveOutHeadAfter;\n");
sb.AppendFront("private static List<KeyValuePair<GRGEN_LGSP.LGSPNode, GRGEN_LGSP.LGSPEdge>>[] moveInHeadAfter;\n");
sb.AppendFront("\n");
}
public override void Emit(SourceBuilder sourceCode)
{
String ascendingVar = "ascending_" + fetchId().ToString();
String entryVar = "entry_" + fetchId().ToString();
String limitVar = "limit_" + fetchId().ToString();
sourceCode.AppendFront("int " + entryVar + " = (int)(");
Left.Emit(sourceCode);
sourceCode.AppendFront(");\n");
sourceCode.AppendFront("int " + limitVar + " = (int)(");
Right.Emit(sourceCode);
sourceCode.AppendFront(");\n");
sourceCode.AppendFront("bool " + ascendingVar + " = " + entryVar + " <= " + limitVar + ";\n");
sourceCode.AppendFront("while(" + ascendingVar + " ? " + entryVar + " <= " + limitVar + " : " + entryVar + " >= " + limitVar + ")\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFront(VariableType + " " + NamesOfEntities.Variable(Variable) + " = " + entryVar + ";\n");
foreach(Yielding statement in Statements)
statement.Emit(sourceCode);
sourceCode.AppendFront("if(" + ascendingVar + ") ++" + entryVar + "; else --" + entryVar + ";\n");
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
/// <summary>
/// Generates matcher class head source code for the subpattern of the rulePattern into given source builder
/// isInitialStatic tells whether the initial static version or a dynamic version after analyze is to be generated.
/// </summary>
public void GenerateMatcherClassHeadSubpattern(SourceBuilder sb, LGSPMatchingPattern matchingPattern,
bool isInitialStatic)
{
Debug.Assert(!(matchingPattern is LGSPRulePattern));
PatternGraph patternGraph = (PatternGraph)matchingPattern.PatternGraph;
String namePrefix = (isInitialStatic ? "" : "Dyn") + "PatternAction_";
String className = namePrefix + matchingPattern.name;
String matchingPatternClassName = matchingPattern.GetType().Name;
if(patternGraph.Package != null)
{
sb.AppendFrontFormat("namespace {0}\n", patternGraph.Package);
sb.AppendFront("{\n");
sb.Indent();
}
sb.AppendFront("public class " + className + " : GRGEN_LGSP.LGSPSubpatternAction\n");
sb.AppendFront("{\n");
sb.Indent(); // class level
sb.AppendFront("private " + className + "(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_) {\n");
sb.Indent(); // method body level
sb.AppendFront("actionEnv = actionEnv_; openTasks = openTasks_;\n");
sb.AppendFront("patternGraph = " + matchingPatternClassName + ".Instance.patternGraph;\n");
sb.Unindent(); // class level
sb.AppendFront("}\n\n");
GenerateTasksMemoryPool(sb, className, false, false, matchingPattern.patternGraph.branchingFactor);
for (int i = 0; i < patternGraph.nodesPlusInlined.Length; ++i)
{
PatternNode node = patternGraph.nodesPlusInlined[i];
if (node.PointOfDefinition == null)
{
sb.AppendFront("public GRGEN_LGSP.LGSPNode " + node.name + ";\n");
}
}
for (int i = 0; i < patternGraph.edgesPlusInlined.Length; ++i)
{
PatternEdge edge = patternGraph.edgesPlusInlined[i];
if (edge.PointOfDefinition == null)
{
sb.AppendFront("public GRGEN_LGSP.LGSPEdge " + edge.name + ";\n");
}
}
for (int i = 0; i < patternGraph.variablesPlusInlined.Length; ++i)
{
PatternVariable variable = patternGraph.variablesPlusInlined[i];
sb.AppendFront("public " +TypesHelper.TypeName(variable.type) + " " + variable.name + ";\n");
}
GenerateIndependentsMatchObjects(sb, matchingPattern, patternGraph);
sb.AppendFront("\n");
}
public override string ToString()
{
SourceBuilder sb = new SourceBuilder();
Expr.Emit(sb);
return Index.Name + "==" + sb.ToString();
}
/// <summary>
/// Generates matcher class head source code for the given alternative into given source builder
/// isInitialStatic tells whether the initial static version or a dynamic version after analyze is to be generated.
/// </summary>
public void GenerateMatcherClassHeadAlternative(SourceBuilder sb, LGSPMatchingPattern matchingPattern,
Alternative alternative, bool isInitialStatic)
{
PatternGraph patternGraph = (PatternGraph)matchingPattern.PatternGraph;
String namePrefix = (isInitialStatic ? "" : "Dyn") + "AlternativeAction_";
String className = namePrefix + alternative.pathPrefix+alternative.name;
if(patternGraph.Package != null)
{
sb.AppendFrontFormat("namespace {0}\n", patternGraph.Package);
sb.AppendFront("{\n");
sb.Indent();
}
sb.AppendFront("public class " + className + " : GRGEN_LGSP.LGSPSubpatternAction\n");
sb.AppendFront("{\n");
sb.Indent(); // class level
sb.AppendFront("private " + className + "(GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv_, "
+ "Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks_, GRGEN_LGSP.PatternGraph[] patternGraphs_) {\n");
sb.Indent(); // method body level
sb.AppendFront("actionEnv = actionEnv_; openTasks = openTasks_;\n");
// pfadausdruck gebraucht, da das alternative-objekt im pattern graph steckt
sb.AppendFront("patternGraphs = patternGraphs_;\n");
sb.Unindent(); // class level
sb.AppendFront("}\n\n");
GenerateTasksMemoryPool(sb, className, true, false, matchingPattern.patternGraph.branchingFactor);
Dictionary<string, bool> neededNodes = new Dictionary<string,bool>();
Dictionary<string, bool> neededEdges = new Dictionary<string,bool>();
Dictionary<string, GrGenType> neededVariables = new Dictionary<string, GrGenType>();
foreach (PatternGraph altCase in alternative.alternativeCases)
{
foreach (KeyValuePair<string, bool> neededNode in altCase.neededNodes)
neededNodes[neededNode.Key] = neededNode.Value;
foreach (KeyValuePair<string, bool> neededEdge in altCase.neededEdges)
neededEdges[neededEdge.Key] = neededEdge.Value;
foreach (KeyValuePair<string, GrGenType> neededVariable in altCase.neededVariables)
neededVariables[neededVariable.Key] = neededVariable.Value;
}
foreach (KeyValuePair<string, bool> node in neededNodes)
{
sb.AppendFront("public GRGEN_LGSP.LGSPNode " + node.Key + ";\n");
}
foreach (KeyValuePair<string, bool> edge in neededEdges)
{
sb.AppendFront("public GRGEN_LGSP.LGSPEdge " + edge.Key + ";\n");
}
foreach (KeyValuePair<string, GrGenType> variable in neededVariables)
{
sb.AppendFront("public " + TypesHelper.TypeName(variable.Value) + " " + variable.Key + ";\n");
}
foreach (PatternGraph altCase in alternative.alternativeCases)
{
GenerateIndependentsMatchObjects(sb, matchingPattern, altCase);
}
sb.AppendFront("\n");
}
public override string ToString()
{
SourceBuilder sb = new SourceBuilder();
Expr.Emit(sb);
return "unique[" + sb.ToString() + "]";
}
private void DumpScheduledSearchPlan(ScheduledSearchPlan ssp, String dumpname)
{
StreamWriter sw = new StreamWriter(dumpname + "-scheduledsp.txt", false);
SourceBuilder sb = new SourceBuilder();
ssp.Explain(sb, model);
sb.Append("\n");
sw.WriteLine(sb.ToString());
sw.Close();
/* StreamWriter sw = new StreamWriter(dumpname + "-scheduledsp.vcg", false);
sw.WriteLine("graph:{\ninfoname 1: \"Attributes\"\ndisplay_edge_labels: no\nport_sharing: no\nsplines: no\n"
+ "\nmanhattan_edges: no\nsmanhattan_edges: no\norientation: bottom_to_top\nedges: yes\nnodes: yes\nclassname 1: \"normal\"");
sw.WriteLine("node:{title:\"root\" label:\"ROOT\"}\n");
SearchPlanNode root = new SearchPlanNode("root");
sw.WriteLine("graph:{{title:\"pattern\" label:\"{0}\" status:clustered color:lightgrey", dumpname);
foreach(SearchOperation op in ssp.Operations)
{
switch(op.Type)
{
case SearchOperationType.Lookup:
case SearchOperationType.Incoming:
case SearchOperationType.Outgoing:
case SearchOperationType.ImplicitSource:
case SearchOperationType.ImplicitTarget:
{
SearchPlanNode spnode = (SearchPlanNode) op.Element;
DumpNode(sw, spnode);
SearchPlanNode src;
switch(op.Type)
{
case SearchOperationType.Lookup:
case SearchOperationType.ActionPreset:
case SearchOperationType.NegPreset:
src = root;
break;
default:
src = op.SourceSPNode;
break;
}
DumpEdge(sw, op.Type, src, spnode, op.CostToEnd, false);
break;
}
case SearchOperationType.Condition:
sw.WriteLine("node:{title:\"Condition\" label:\"CONDITION\"}\n");
break;
case SearchOperationType.NegativePattern:
sw.WriteLine("node:{title:\"NAC\" label:\"NAC\"}\n");
break;
}
}*/
}
