public void EmitRewritingRuleCountAllCallOrRuleAllCallNonRandom(SourceBuilder source, String firstRewrite, bool fireDebugEvents)
{
// 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_" + ruleCallRewritingGenerator.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");
if (fireDebugEvents)
{
source.AppendFront("procEnv.Matched(" + matchesName + ", null, " + specialStr + ");\n");
}
if (fireDebugEvents)
{
source.AppendFront("procEnv.Finishing(" + matchesName + ", " + specialStr + ");\n");
}
source.AppendFront("if(!" + firstRewrite + ") procEnv.RewritingNextMatch();\n");
if (returnParameterDeclarations.Length != 0)
{
source.AppendFront(returnParameterDeclarations + "\n");
}
source.AppendFront(ruleCallRewritingGenerator.ruleName + ".Modify(procEnv, " + matchName + returnArguments + ");\n");
if (returnAssignments.Length != 0)
{
source.AppendFront(intermediateReturnAssignmentsAllCall + "\n");
}
source.AppendFront("procEnv.PerformanceInfo.RewritesPerformed++;\n");
source.AppendFront(firstRewrite + " = false;\n");
if (fireDebugEvents)
{
source.AppendFront("procEnv.Finished(" + matchesName + ", " + specialStr + ");\n");
}
source.Unindent();
source.AppendFront("}\n");
if (returnAssignments.Length != 0)
{
source.AppendFront(returnAssignmentsAllCall + "\n");
}
if (ruleCallRewritingGenerator.seqRule.SequenceType == SequenceType.RuleCountAllCall)
{
SequenceRuleCountAllCall ruleCountAll = (SequenceRuleCountAllCall)ruleCallRewritingGenerator.seqRule;
source.AppendFront(ruleCallRewritingGenerator.seqHelper.SetVar(ruleCountAll.CountResult, matchesName + ".Count"));
}
}
public void Emit(SourceBuilder source, SequenceGenerator seqGen, bool fireDebugEvents)
{
String parameterDeclarations = null;
String parameters = null;
if (seqRule.Subgraph != null)
{
parameters = seqHelper.BuildParametersInDeclarations(seqRule, ArgumentExpressions, source, out parameterDeclarations);
}
else
{
parameters = seqHelper.BuildParameters(seqRule, ArgumentExpressions, source);
}
if (seqRule.Subgraph != null)
{
source.AppendFront(parameterDeclarations + "\n");
source.AppendFront("procEnv.SwitchToSubgraph((GRGEN_LIBGR.IGraph)" + seqHelper.GetVar(seqRule.Subgraph) + ");\n");
source.AppendFront("graph = ((GRGEN_LGSP.LGSPActionExecutionEnvironment)procEnv).graph;\n");
}
source.AppendFront(matchesType + " " + matchesName + " = " + ruleName
+ ".Match(procEnv, " + (seqRule.SequenceType == SequenceType.RuleCall ? "1" : "procEnv.MaxMatches")
+ parameters + ");\n");
source.AppendFront("procEnv.PerformanceInfo.MatchesFound += " + matchesName + ".Count;\n");
for (int i = 0; i < seqRule.Filters.Count; ++i)
{
seqExprGen.EmitFilterCall(source, (SequenceFilterCallCompiled)seqRule.Filters[i], patternName, matchesName, seqRule.PackagePrefixedName, false);
}
if (seqRule is SequenceRuleCountAllCall)
{
SequenceRuleCountAllCall seqRuleCountAll = (SequenceRuleCountAllCall)seqRule;
source.AppendFront(seqHelper.SetVar(seqRuleCountAll.CountResult, matchesName + ".Count"));
}
String insufficientMatchesCondition;
if (seqRule is SequenceRuleAllCall &&
((SequenceRuleAllCall)seqRule).ChooseRandom &&
((SequenceRuleAllCall)seqRule).MinSpecified)
{
SequenceRuleAllCall seqRuleAll = (SequenceRuleAllCall)seqRule;
String minMatchesVarName = "minmatchesvar_" + seqRuleAll.Id;
source.AppendFrontFormat("int {0} = (int){1};\n", minMatchesVarName, seqHelper.GetVar(seqRuleAll.MinVarChooseRandom));
insufficientMatchesCondition = matchesName + ".Count < " + minMatchesVarName;
}
else
{
insufficientMatchesCondition = matchesName + ".Count == 0";
}
source.AppendFrontFormat("if({0}) {{\n", insufficientMatchesCondition);
source.Indent();
source.AppendFront(COMP_HELPER.SetResultVar(seqRule, "false"));
source.Unindent();
source.AppendFront("} else {\n");
source.Indent();
source.AppendFront(COMP_HELPER.SetResultVar(seqRule, "true"));
if (fireDebugEvents)
{
source.AppendFront("procEnv.Matched(" + matchesName + ", null, " + specialStr + ");\n");
}
if (fireDebugEvents)
{
source.AppendFront("procEnv.Finishing(" + matchesName + ", " + specialStr + ");\n");
}
SequenceRuleOrRuleAllCallRewritingGenerator rewritingGen = new SequenceRuleOrRuleAllCallRewritingGenerator(this);
if (seqRule.SequenceType == SequenceType.RuleCall)
{
rewritingGen.EmitRewritingRuleCall(source);
}
else if (seqRule.SequenceType == SequenceType.RuleCountAllCall || !((SequenceRuleAllCall)seqRule).ChooseRandom) // seq.SequenceType == SequenceType.RuleAll
{
rewritingGen.EmitRewritingRuleCountAllCallOrRuleAllCallNonRandom(source);
}
else // seq.SequenceType == SequenceType.RuleAll && ((SequenceRuleAll)seqRule).ChooseRandom
{
rewritingGen.EmitRewritingRuleAllCallRandom(source);
}
if (fireDebugEvents)
{
source.AppendFront("procEnv.Finished(" + matchesName + ", " + specialStr + ");\n");
}
source.Unindent();
source.AppendFront("}\n");
if (seqRule.Subgraph != null)
{
source.AppendFront("procEnv.ReturnFromSubgraph();\n");
source.AppendFront("graph = ((GRGEN_LGSP.LGSPActionExecutionEnvironment)procEnv).graph;\n");
}
}
/// <summary>
/// pre-run for emitting the needed entities before emitting the real code
/// - emits result variable declarations
/// - emits sequence variable declarations (only once for every variable, declaration only possible at assignment targets)
/// - collects used rules into knownRules, emit local rule declaration (only once for every rule)
/// </summary>
public void EmitNeededVarAndRuleEntities(Sequence seq, SourceBuilder source)
{
source.AppendFront(COMP_HELPER.DeclareResultVar(seq));
switch (seq.SequenceType)
{
case SequenceType.AssignUserInputToVar:
case SequenceType.AssignRandomIntToVar:
case SequenceType.AssignRandomDoubleToVar:
case SequenceType.DeclareVariable:
case SequenceType.AssignConstToVar:
case SequenceType.AssignContainerConstructorToVar:
case SequenceType.AssignVarToVar:
{
SequenceAssignToVar toVar = (SequenceAssignToVar)seq;
EmitVarIfNew(toVar.DestVar, source);
break;
}
case SequenceType.AssignSequenceResultToVar:
case SequenceType.OrAssignSequenceResultToVar:
case SequenceType.AndAssignSequenceResultToVar:
{
SequenceAssignSequenceResultToVar seqToVar = (SequenceAssignSequenceResultToVar)seq;
EmitVarIfNew(seqToVar.DestVar, source);
EmitNeededVarAndRuleEntities(seqToVar.Seq, source);
break;
}
case SequenceType.RuleCall:
case SequenceType.RuleAllCall:
case SequenceType.RuleCountAllCall:
{
SequenceRuleCall seqRule = (SequenceRuleCall)seq;
String ruleName = seqRule.PackagePrefixedName;
if (!knownRules.ContainsKey(ruleName))
{
knownRules.Add(ruleName, null);
source.AppendFront("GRGEN_ACTIONS." + TypesHelper.GetPackagePrefixDot(seqRule.Package) + "Action_" + seqRule.Name + " " + "rule_" + TypesHelper.PackagePrefixedNameUnderscore(seqRule.Package, seqRule.Name));
source.Append(" = " + "GRGEN_ACTIONS." + TypesHelper.GetPackagePrefixDot(seqRule.Package) + "Action_" + seqRule.Name + ".Instance;\n");
}
// no handling for the input arguments seqRule.ArgumentExpressions needed
// because there can only be variable uses
for (int i = 0; i < seqRule.ReturnVars.Length; ++i)
{
EmitVarIfNew(seqRule.ReturnVars[i], source);
}
if (seq.SequenceType == SequenceType.RuleCountAllCall)
{
SequenceRuleCountAllCall seqCountRuleAll = (SequenceRuleCountAllCall)seqRule;
EmitVarIfNew(seqCountRuleAll.CountResult, source);
}
break;
}
case SequenceType.SequenceCall:
{
SequenceSequenceCall seqSeq = (SequenceSequenceCall)seq;
// no handling for the input arguments seqSeq.ArgumentExpressions or the optional Subgraph needed
// because there can only be variable uses
for (int i = 0; i < seqSeq.ReturnVars.Length; ++i)
{
EmitVarIfNew(seqSeq.ReturnVars[i], source);
}
break;
}
case SequenceType.ForContainer:
{
SequenceForContainer seqFor = (SequenceForContainer)seq;
EmitVarIfNew(seqFor.Var, source);
if (seqFor.VarDst != null)
{
EmitVarIfNew(seqFor.VarDst, source);
}
EmitNeededVarAndRuleEntities(seqFor.Seq, source);
break;
}
case SequenceType.ForIntegerRange:
{
SequenceForIntegerRange seqFor = (SequenceForIntegerRange)seq;
EmitVarIfNew(seqFor.Var, source);
EmitNeededVarAndRuleEntities(seqFor.Seq, source);
break;
}
case SequenceType.ForIndexAccessEquality:
{
SequenceForIndexAccessEquality seqFor = (SequenceForIndexAccessEquality)seq;
EmitVarIfNew(seqFor.Var, source);
EmitNeededVarAndRuleEntities(seqFor.Seq, source);
break;
}
case SequenceType.ForIndexAccessOrdering:
{
SequenceForIndexAccessOrdering seqFor = (SequenceForIndexAccessOrdering)seq;
EmitVarIfNew(seqFor.Var, source);
EmitNeededVarAndRuleEntities(seqFor.Seq, source);
break;
}
case SequenceType.ForAdjacentNodes:
case SequenceType.ForAdjacentNodesViaIncoming:
case SequenceType.ForAdjacentNodesViaOutgoing:
case SequenceType.ForIncidentEdges:
case SequenceType.ForIncomingEdges:
case SequenceType.ForOutgoingEdges:
case SequenceType.ForReachableNodes:
case SequenceType.ForReachableNodesViaIncoming:
case SequenceType.ForReachableNodesViaOutgoing:
case SequenceType.ForReachableEdges:
case SequenceType.ForReachableEdgesViaIncoming:
case SequenceType.ForReachableEdgesViaOutgoing:
case SequenceType.ForBoundedReachableNodes:
case SequenceType.ForBoundedReachableNodesViaIncoming:
case SequenceType.ForBoundedReachableNodesViaOutgoing:
case SequenceType.ForBoundedReachableEdges:
case SequenceType.ForBoundedReachableEdgesViaIncoming:
case SequenceType.ForBoundedReachableEdgesViaOutgoing:
case SequenceType.ForNodes:
case SequenceType.ForEdges:
{
SequenceForFunction seqFor = (SequenceForFunction)seq;
EmitVarIfNew(seqFor.Var, source);
EmitNeededVarAndRuleEntities(seqFor.Seq, source);
break;
}
case SequenceType.ForMatch:
{
SequenceForMatch seqFor = (SequenceForMatch)seq;
EmitVarIfNew(seqFor.Var, source);
EmitNeededVarAndRuleEntities(seqFor.Seq, source);
EmitNeededVarAndRuleEntities(seqFor.Rule, source);
break;
}
case SequenceType.BooleanComputation:
{
SequenceBooleanComputation seqBoolComp = (SequenceBooleanComputation)seq;
EmitNeededVarEntities(seqBoolComp.Computation, source);
break;
}
default:
foreach (Sequence childSeq in seq.Children)
{
EmitNeededVarAndRuleEntities(childSeq, source);
}
break;
}
}
