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)
{
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 Emit(SourceBuilder sourceCode)
{
if (Type == EntityType.Node)
{
sourceCode.AppendFront(TypeOfEntity + " " + NamesOfEntities.CandidateVariable(NameOfEntity) + " = (" + TypeOfEntity + ")" + Initialization + ";\n");
}
else if (Type == EntityType.Edge)
{
sourceCode.AppendFront(TypeOfEntity + " " + NamesOfEntities.CandidateVariable(NameOfEntity) + " = (" + TypeOfEntity + ")" + Initialization + ";\n");
}
else //if(Type == EntityType.Variable)
{
sourceCode.AppendFront(TypeOfEntity + " " + NamesOfEntities.Variable(NameOfEntity) + " = (" + TypeOfEntity + ")" + Initialization + ";\n");
}
}
public override void Emit(SourceBuilder sourceCode)
{
string targetPatternElement = Type == EntityType.Variable ? NamesOfEntities.Variable(TargetPatternElementName) : NamesOfEntities.CandidateVariable(TargetPatternElementName);
if (SourcePatternElementUnprefixedName != null)
{
string sourcePatternElement = NamesOfEntities.MatchName(SourcePatternElementUnprefixedName, Type);
sourceCode.AppendFrontFormat("{0} = {1}._{2}; // bubble up (from match)\n",
targetPatternElement, NestedMatchOrTaskObjectName, sourcePatternElement);
}
else
{
sourceCode.AppendFrontFormat("{0} = {1}.{0}; // bubble up (from task)\n",
targetPatternElement, NestedMatchOrTaskObjectName);
}
}
public override void Emit(SourceBuilder sourceCode)
{
sourceCode.AppendFront(VarType + " " + NamesOfEntities.Variable(VarName) + " = (" + VarType + ")" + VarName + ";\n");
}
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);
}
}
