public override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFrontFormat("{0}.{1} match_{2} = new {0}.{1}();\n",
RulePatternClassName, NamesOfEntities.MatchClassName(PatternName), MatchName);
sourceCode.AppendFrontFormat("match_{0}.SetMatchOfEnclosingPattern({1});\n",
MatchName, MatchOfEnclosingPatternName);
}
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 override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFrontFormat("if({0} != null)\n", NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.AppendFront("{\n");
sourceCode.Indent();
// emit check whether hash is contained in found matches hash map
sourceCode.AppendFrontFormat("if(!{0}.ContainsKey({1}))\n",
NamesOfEntities.FoundMatchesForFilteringVariable(),
NamesOfEntities.DuplicateMatchHashVariable());
sourceCode.AppendFront("{\n");
sourceCode.Indent();
// if not, just insert it
sourceCode.AppendFrontFormat("{0}[{1}] = match;\n",
NamesOfEntities.FoundMatchesForFilteringVariable(),
NamesOfEntities.DuplicateMatchHashVariable());
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
sourceCode.AppendFront("else\n");
sourceCode.AppendFront("{\n");
sourceCode.Indent();
// otherwise loop till end of collision list of the hash set, insert there
sourceCode.AppendFrontFormat("{0} {1} = {2}[{3}];\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName),
NamesOfEntities.DuplicateMatchCandidateVariable(),
NamesOfEntities.FoundMatchesForFilteringVariable(),
NamesOfEntities.DuplicateMatchHashVariable());
sourceCode.AppendFrontFormat("while({0}.nextWithSameHash != null) {0} = {0}.nextWithSameHash;\n",
NamesOfEntities.DuplicateMatchCandidateVariable());
sourceCode.AppendFrontFormat("{0}.nextWithSameHash = match;\n",
NamesOfEntities.DuplicateMatchCandidateVariable());
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
if (ParallelizedAction)
{
sourceCode.AppendFrontFormat("match.{0} = {0};\n",
NamesOfEntities.DuplicateMatchHashVariable());
}
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
/// <summary>
/// Emits the matcher source code for the search program
/// head, search program operations list in depth first walk over search program operations list, tail
/// </summary>
public override void Emit(SourceBuilder sourceCode)
{
#if RANDOM_LOOKUP_LIST_START
sourceCode.AppendFront("private Random random = new Random(13795661);\n");
#endif
if (Parallel)
{
sourceCode.AppendFront("public override void " + Name + "_parallelized"
+ "(List<Stack<GRGEN_LIBGR.IMatch>> foundPartialMatches, "
+ "int maxMatches, int isoSpace, int threadId)\n");
}
else
{
sourceCode.AppendFront("public override void " + Name
+ "(List<Stack<GRGEN_LIBGR.IMatch>> foundPartialMatches, "
+ "int maxMatches, int isoSpace)\n");
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFront("GRGEN_LGSP.LGSPGraph graph = actionEnv.graph;\n");
if (Parallel)
{
sourceCode.AppendFront("List<ushort> flagsPerElement = graph.flagsPerThreadPerElement[threadId];\n");
sourceCode.AppendFront("List<ushort> flagsPerElement0 = graph.flagsPerThreadPerElement[0];\n");
sourceCode.AppendFront("List<ushort> flagsPerElementGlobal = graph.flagsPerThreadPerElement[threadId];\n");
}
foreach (string graphsOnPath in NamesOfPatternGraphsOnPathToEnclosedPatternpath)
{
sourceCode.AppendFrontFormat("{0}.{1} {2} = null;\n",
RulePatternClassName, NamesOfEntities.MatchClassName(graphsOnPath),
NamesOfEntities.PatternpathMatch(graphsOnPath));
}
GenerateIndependentsMatchObjects(sourceCode);
OperationsList.Emit(sourceCode);
sourceCode.AppendFront("return;\n");
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
public override void Emit(SourceBuilder sourceCode)
{
if (sourceCode.CommentSourceCode)
{
sourceCode.AppendFront("// Check whether a duplicate match to be purged was found or will be found\n");
}
// emit hash variable declaration
sourceCode.AppendFrontFormat("int {0} = 0;\n", NamesOfEntities.DuplicateMatchHashVariable());
// only do the rest if more than one match is requested
sourceCode.AppendFront("if(maxMatches!=1) {\n");
sourceCode.Indent();
// emit found matches hash map initialization as needed
sourceCode.AppendFrontFormat("if({0}==null) {0} = new Dictionary<int, {1}>();\n",
NamesOfEntities.FoundMatchesForFilteringVariable(),
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName));
// emit hash variable initialization with result of hash computation
sourceCode.AppendFrontFormat("{0} = unchecked(",
NamesOfEntities.DuplicateMatchHashVariable());
EmitHashComputation(sourceCode, NeededElements.Length - 1);
sourceCode.Append(");\n");
// emit check whether hash is contained in found matches hash map
sourceCode.AppendFrontFormat("if({0}.ContainsKey({1}))\n",
NamesOfEntities.FoundMatchesForFilteringVariable(),
NamesOfEntities.DuplicateMatchHashVariable());
sourceCode.AppendFront("{\n");
sourceCode.Indent();
// emit check whether one of the matches in the hash map with same hash is equal to the locally matched elements
sourceCode.AppendFrontFormat("{0} {1} = {2}[{3}];\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName),
NamesOfEntities.DuplicateMatchCandidateVariable(),
NamesOfEntities.FoundMatchesForFilteringVariable(),
NamesOfEntities.DuplicateMatchHashVariable());
sourceCode.AppendFront("do {\n");
sourceCode.Indent();
// emit check for same elements
sourceCode.AppendFront("if(");
for (int i = 0; i < NeededElements.Length; ++i)
{
if (i != 0)
{
sourceCode.Append(" && ");
}
sourceCode.AppendFormat("{0}._{1} == {2}",
NamesOfEntities.DuplicateMatchCandidateVariable() + MatchObjectPaths[i],
NamesOfEntities.MatchName(NeededElementsUnprefixedName[i], NeededElementsIsNode[i] ? BuildMatchObjectType.Node : BuildMatchObjectType.Edge),
NamesOfEntities.CandidateVariable(NeededElements[i]));
}
sourceCode.Append(")\n");
// emit check failed code, i.e. the current local match is equivalent to one of the already found ones, a duplicate
sourceCode.AppendFront("{\n");
sourceCode.Indent();
CheckFailedOperations.Emit(sourceCode);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
// close "emit check whether one of the matches in the hash map with same hash is equal to the locally matched elements"
// switching to next match with the same hash, if available
sourceCode.Unindent();
sourceCode.AppendFront("} ");
sourceCode.AppendFormat("while(({0} = {0}.nextWithSameHash) != null);\n",
NamesOfEntities.DuplicateMatchCandidateVariable());
// close "emit check whether hash is contained in found matches hash map"
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
// close "only do the rest if more than one match is requested"
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
/// <summary>
/// Emits the matcher source code for the search program
/// head, search program operations list in depth first walk over search program operations list, tail
/// </summary>
public override void Emit(SourceBuilder sourceCode)
{
#if RANDOM_LOOKUP_LIST_START
sourceCode.AppendFront("private Random random = new Random(13795661);\n");
#endif
if (Parallel)
{
sourceCode.AppendFront("public override void " + Name + "_parallelized"
+ "(List<Stack<GRGEN_LIBGR.IMatch>> foundPartialMatches, "
+ "int maxMatches, int isoSpace, int threadId)\n");
}
else
{
sourceCode.AppendFront("public override void " + Name
+ "(List<Stack<GRGEN_LIBGR.IMatch>> foundPartialMatches, "
+ "int maxMatches, int isoSpace)\n");
}
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFront("bool patternFound = false;\n");
sourceCode.AppendFront("GRGEN_LGSP.LGSPGraph graph = actionEnv.graph;\n");
if (Parallel)
{
sourceCode.AppendFront("List<ushort> flagsPerElement = graph.flagsPerThreadPerElement[threadId];\n");
sourceCode.AppendFront("List<ushort> flagsPerElement0 = graph.flagsPerThreadPerElement[0];\n");
sourceCode.AppendFront("List<ushort> flagsPerElementGlobal = graph.flagsPerThreadPerElement[threadId];\n");
}
foreach (string graphsOnPath in NamesOfPatternGraphsOnPathToEnclosedPatternpath)
{
sourceCode.AppendFrontFormat("{0}.{1} {2} = null;\n",
RulePatternClassName, NamesOfEntities.MatchClassName(graphsOnPath),
NamesOfEntities.PatternpathMatch(graphsOnPath));
}
GenerateIndependentsMatchObjects(sourceCode);
if (WasIndependentInlined)
{
sourceCode.AppendFrontFormat("Dictionary<int, {0}> {1} = null;\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(IterPathPrefix + IterPatternName),
NamesOfEntities.FoundMatchesForFilteringVariable());
}
OperationsList.Emit(sourceCode);
if (WasIndependentInlined)
{
sourceCode.AppendFrontFormat("if({0} != null)\n",
NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("foreach({0} toClean in {1}.Values) toClean.CleanNextWithSameHash();\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(IterPathPrefix + IterPatternName),
NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
sourceCode.AppendFront("return;\n");
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
/// <summary>
/// Generates match objects of independents
/// </summary>
protected void GenerateIndependentsMatchObjects(SourceBuilder sourceCode)
{
for (int i = 0; i < MatchingPatternClassTypeName.Count; ++i)
{
if (NestedIndependents[i] == null)
{
continue;
}
foreach (KeyValuePair <PatternGraph, bool> nestedIndependent in NestedIndependents[i])
{
if (nestedIndependent.Value == false)
{
continue; // if independent is not nested in iterated with potentially more than one match then matcher-class-based match variables are sufficient, only one match is living at a time
}
if (nestedIndependent.Key.originalPatternGraph != null)
{
sourceCode.AppendFrontFormat("{0} {1} = new {0}();\n",
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
{
sourceCode.AppendFrontFormat("{0} {1} = new {0}();\n",
MatchingPatternClassTypeName[i] + "." + NamesOfEntities.MatchClassName(nestedIndependent.Key.pathPrefix + nestedIndependent.Key.name),
NamesOfEntities.MatchedIndependentVariable(nestedIndependent.Key.pathPrefix + nestedIndependent.Key.name));
}
}
}
}
/// <summary>
/// Emits the matcher source code for all search programs
/// first head of matching function of the current search program
/// then the search program operations list in depth first walk over search program operations list
/// then tail of matching function of the current search program
/// and finally continues in missing preset search program list by emitting following search program
/// </summary>
public override void Emit(SourceBuilder sourceCode)
{
string matchType = RulePatternClassName + "." + NamesOfEntities.MatchInterfaceName(PatternName);
string matchesType = "GRGEN_LIBGR.IMatchesExact<" + matchType + ">";
sourceCode.AppendFront("\n");
sourceCode.AppendFrontFormat("private void {0}()\n", Name);
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFront("threadId = GRGEN_LGSP.WorkerPool.ThreadId;\n");
//sourceCode.AppendFrontFormat("Console.WriteLine(\"start work for {0} at threadId \" + threadId);\n", PatternName);
sourceCode.AppendFront("GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv = actionEnvParallel;\n");
sourceCode.AppendFront("int maxMatches = maxMatchesParallel;\n");
sourceCode.AppendFront("GRGEN_LGSP.LGSPGraph graph = actionEnv.graph;\n");
sourceCode.AppendFront("List<ushort> flagsPerElement = graph.flagsPerThreadPerElement[threadId];\n");
sourceCode.AppendFront("List<ushort> flagsPerElement0 = graph.flagsPerThreadPerElement[0];\n");
sourceCode.AppendFront("List<ushort> flagsPerElementGlobal = graph.flagsPerThreadPerElement[threadId];\n");
sourceCode.AppendFront("int isoSpace = 0;\n");
if (NamesOfPatternGraphsOnPathToEnclosedPatternpath.Count > 0)
{
sourceCode.AppendFront("bool searchPatternpath = false;\n");
}
foreach (string graphsOnPath in NamesOfPatternGraphsOnPathToEnclosedPatternpath)
{
sourceCode.AppendFrontFormat("{0}.{1} {2} = null;\n",
RulePatternClassName, NamesOfEntities.MatchClassName(graphsOnPath),
NamesOfEntities.PatternpathMatch(graphsOnPath));
}
if (SetupSubpatternMatching)
{
sourceCode.AppendFront("Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks = new Stack<"
+ "GRGEN_LGSP.LGSPSubpatternAction>();\n");
sourceCode.AppendFront("List<Stack<GRGEN_LIBGR.IMatch>> foundPartialMatches = new List<Stack<"
+ "GRGEN_LIBGR.IMatch>>();\n");
sourceCode.AppendFront("List<Stack<GRGEN_LIBGR.IMatch>> matchesList = foundPartialMatches;\n");
}
GenerateIndependentsMatchObjects(sourceCode);
if (WasIndependentInlined)
{
sourceCode.AppendFrontFormat("Dictionary<int, {0}> {1} = null;\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName),
NamesOfEntities.FoundMatchesForFilteringVariable());
}
if (EmitProfiling)
{
sourceCode.AppendFront("long searchStepsAtLoopStepBegin;\n");
}
OperationsList.Emit(sourceCode);
//sourceCode.AppendFrontFormat("Console.WriteLine(\"work done for {0} at threadId \" + threadId);\n", PatternName);
if (EmitProfiling)
{
sourceCode.AppendFrontFormat("if(maxMatches==1) actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[threadId].searchStepsSingle.Add(actionEnv.PerformanceInfo.SearchStepsPerThread[threadId]);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("else actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[threadId].searchStepsMultiple.Add(actionEnv.PerformanceInfo.SearchStepsPerThread[threadId]);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("if(maxMatches==1) actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[threadId].loopStepsSingle.Add(actionEnv.PerformanceInfo.LoopStepsPerThread[threadId]);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("else actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[threadId].loopStepsMultiple.Add(actionEnv.PerformanceInfo.LoopStepsPerThread[threadId]);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("if(maxMatches==1) actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[threadId].searchStepsPerLoopStepSingle.Add(actionEnv.PerformanceInfo.SearchStepsPerThread[threadId] - searchStepsAtLoopStepBegin);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("else actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[threadId].searchStepsPerLoopStepMultiple.Add(actionEnv.PerformanceInfo.SearchStepsPerThread[threadId] - searchStepsAtLoopStepBegin);\n", PackagePrefixedPatternName);
}
if (WasIndependentInlined)
{
sourceCode.AppendFrontFormat("if({0} != null)\n",
NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("foreach({0} toClean in {1}.Values) toClean.CleanNextWithSameHash();\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName),
NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
sourceCode.AppendFront("return;\n");
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
Debug.Assert(Next == null);
}
/// <summary>
/// Emits the matcher source code for all search programs
/// first head of matching function of the current search program
/// then the search program operations list in depth first walk over search program operations list
/// then tail of matching function of the current search program
/// and finally continues in missing preset search program list by emitting following search program
/// </summary>
public override void Emit(SourceBuilder sourceCode)
{
#if RANDOM_LOOKUP_LIST_START
sourceCode.AppendFront("private Random random = new Random(13795661);\n");
#endif
string matchType = RulePatternClassName + "." + NamesOfEntities.MatchInterfaceName(PatternName);
string matchesType = "GRGEN_LIBGR.IMatchesExact<" + matchType + ">";
sourceCode.AppendFrontFormat("public {0} {1}("
+ "GRGEN_LGSP.LGSPActionExecutionEnvironment actionEnv, int maxMatches{2})\n", matchesType, Name, Parameters);
sourceCode.AppendFront("{\n");
sourceCode.Indent();
if (Arguments != null)
{
sourceCode.AppendFront("// maybe null dispatching\n");
EmitMaybeNullDispatching(sourceCode, 0, 0);
}
sourceCode.AppendFront("GRGEN_LGSP.LGSPGraph graph = actionEnv.graph;\n");
sourceCode.AppendFront("matches.Clear();\n");
sourceCode.AppendFront("int isoSpace = 0;\n");
if (NamesOfPatternGraphsOnPathToEnclosedPatternpath.Count > 0)
{
sourceCode.AppendFront("bool searchPatternpath = false;\n");
}
foreach (string graphsOnPath in NamesOfPatternGraphsOnPathToEnclosedPatternpath)
{
sourceCode.AppendFrontFormat("{0}.{1} {2} = null;\n",
RulePatternClassName, NamesOfEntities.MatchClassName(graphsOnPath),
NamesOfEntities.PatternpathMatch(graphsOnPath));
}
if (SetupSubpatternMatching)
{
sourceCode.AppendFront("Stack<GRGEN_LGSP.LGSPSubpatternAction> openTasks = new Stack<"
+ "GRGEN_LGSP.LGSPSubpatternAction>();\n");
sourceCode.AppendFront("List<Stack<GRGEN_LIBGR.IMatch>> foundPartialMatches = new List<Stack<"
+ "GRGEN_LIBGR.IMatch>>();\n");
sourceCode.AppendFront("List<Stack<GRGEN_LIBGR.IMatch>> matchesList = foundPartialMatches;\n");
}
GenerateIndependentsMatchObjects(sourceCode);
if (WasIndependentInlined)
{
sourceCode.AppendFrontFormat("Dictionary<int, {0}> {1} = null;\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName),
NamesOfEntities.FoundMatchesForFilteringVariable());
}
if (EmitProfiling)
{
sourceCode.AppendFront("long searchStepsAtBegin = actionEnv.PerformanceInfo.SearchSteps;\n");
sourceCode.AppendFront("long searchStepsAtLoopStepBegin = searchStepsAtBegin;\n");
sourceCode.AppendFront("int loopSteps = 0;\n");
}
OperationsList.Emit(sourceCode);
if (EmitProfiling)
{
sourceCode.AppendFrontFormat("++actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].callsTotal;\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].searchStepsTotal += actionEnv.PerformanceInfo.SearchSteps - searchStepsAtBegin;\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].loopStepsTotal += loopSteps;\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[0].searchStepsTotal += actionEnv.PerformanceInfo.SearchSteps - searchStepsAtBegin;\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[0].loopStepsTotal += loopSteps;\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("if(maxMatches==1) actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[0].searchStepsSingle.Add(actionEnv.PerformanceInfo.SearchSteps - searchStepsAtBegin);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("else actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[0].searchStepsMultiple.Add(actionEnv.PerformanceInfo.SearchSteps - searchStepsAtBegin);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("if(maxMatches==1) actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[0].loopStepsSingle.Add(loopSteps);\n", PackagePrefixedPatternName);
sourceCode.AppendFrontFormat("else actionEnv.PerformanceInfo.ActionProfiles[\"{0}\"].averagesPerThread[0].loopStepsMultiple.Add(loopSteps);\n", PackagePrefixedPatternName);
}
if (WasIndependentInlined)
{
sourceCode.AppendFrontFormat("if({0} != null)\n",
NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.AppendFront("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("foreach({0} toClean in {1}.Values) toClean.CleanNextWithSameHash();\n",
RulePatternClassName + "." + NamesOfEntities.MatchClassName(PatternName),
NamesOfEntities.FoundMatchesForFilteringVariable());
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
#if ENSURE_FLAGS_IN_GRAPH_ARE_EMPTY_AT_LEAVING_TOP_LEVEL_MATCHING_ACTION
sourceCode.AppendFront("graph.CheckEmptyFlags();\n");
#endif
sourceCode.AppendFront("return matches;\n");
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
// emit search subprograms
if (Next != null)
{
Next.Emit(sourceCode);
}
}
public override void Emit(SourceBuilder sourceCode)
{
string matchName = NamesOfEntities.MatchName(PatternElementUnprefixedName, Type);
if (Type == BuildMatchObjectType.Node || Type == BuildMatchObjectType.Edge)
{
string variableContainingCandidate = NamesOfEntities.CandidateVariable(PatternElementName);
sourceCode.AppendFrontFormat("{0}._{1} = {2};\n",
MatchObjectName, matchName, variableContainingCandidate);
}
else if (Type == BuildMatchObjectType.Variable)
{
string variableName = NamesOfEntities.Variable(PatternElementName);
sourceCode.AppendFrontFormat("{0}._{1} = {2};\n",
MatchObjectName, matchName, variableName);
}
else if (Type == BuildMatchObjectType.Subpattern)
{
sourceCode.AppendFrontFormat("{0}._{1} = (@{2})currentFoundPartialMatch.Pop();\n",
MatchObjectName, matchName, PatternElementType);
sourceCode.AppendFrontFormat("{0}._{1}._matchOfEnclosingPattern = {0};\n",
MatchObjectName, matchName);
}
else if (Type == BuildMatchObjectType.InlinedSubpattern)
{
sourceCode.AppendFrontFormat("{0}._{1} = match_{2};\n",
MatchObjectName, matchName, PatternElementName);
}
else if (Type == BuildMatchObjectType.Iteration)
{
sourceCode.AppendFrontFormat("{0}._{1} = new GRGEN_LGSP.LGSPMatchesList<{2}.{3}, {2}.{4}>(null);\n",
MatchObjectName, matchName,
RulePatternClassName, NamesOfEntities.MatchClassName(PatternElementType), NamesOfEntities.MatchInterfaceName(PatternElementType));
sourceCode.AppendFrontFormat("while(currentFoundPartialMatch.Count>0 && currentFoundPartialMatch.Peek() is {0}.{1}) ",
RulePatternClassName, NamesOfEntities.MatchInterfaceName(PatternElementType));
sourceCode.Append("{\n");
sourceCode.Indent();
sourceCode.AppendFrontFormat("{0}.{1} cfpm = ({0}.{1})currentFoundPartialMatch.Pop();\n",
RulePatternClassName, NamesOfEntities.MatchClassName(PatternElementType));
sourceCode.AppendFront("if(cfpm.IsNullMatch) break;\n");
sourceCode.AppendFrontFormat("cfpm.SetMatchOfEnclosingPattern({0});\n",
MatchObjectName);
sourceCode.AppendFrontFormat("{0}._{1}.Add(cfpm);\n",
MatchObjectName, matchName);
sourceCode.Unindent();
sourceCode.AppendFront("}\n");
}
else if (Type == BuildMatchObjectType.Alternative)
{
sourceCode.AppendFrontFormat("{0}._{1} = ({2}.{3})currentFoundPartialMatch.Pop();\n",
MatchObjectName, matchName, RulePatternClassName, NamesOfEntities.MatchInterfaceName(PatternElementType));
sourceCode.AppendFrontFormat("{0}._{1}.SetMatchOfEnclosingPattern({0});\n",
MatchObjectName, matchName);
}
else //if(Type == BuildMatchObjectType.Independent)
{
sourceCode.AppendFrontFormat("{0}._{1} = {2};\n",
MatchObjectName, matchName, NamesOfEntities.MatchedIndependentVariable(PatternElementName));
sourceCode.AppendFrontFormat("{0} = new {1}({0});\n",
NamesOfEntities.MatchedIndependentVariable(PatternElementName),
RulePatternClassName + "." + NamesOfEntities.MatchClassName(MatchClassName));
sourceCode.AppendFrontFormat("{0}._{1}.SetMatchOfEnclosingPattern({0});\n",
MatchObjectName, matchName);
}
}