private static void AddVariablesToGlobalVarList(
Dictionary <string, VariableDeclarationBaseSyntax> globalVariables,
SyntaxList <VariableDeclarationBaseSyntax> variables)
{
foreach (VariableDeclarationBaseSyntax variable in variables)
{
VariableInitializationUsageAnalyzer.AddVariableToGlobalVarList(globalVariables, variable);
}
}
private void ReportInitializedNotUsedNotInitializedUsedLocalVars(
CodeBlockAnalysisContext context)
{
PooledHashSet <IdentifierNameSyntax> instance1 = PooledHashSet <IdentifierNameSyntax> .GetInstance();
PooledHashSet <IdentifierNameSyntax> instance2 = PooledHashSet <IdentifierNameSyntax> .GetInstance();
try
{
this.CollectInitializedNotUsedNotInitializedUsedLocalVars((HashSet <IdentifierNameSyntax>)instance1, (HashSet <IdentifierNameSyntax>)instance2);
VariableInitializationUsageAnalyzer.ReportInitializedNotUsedVariables(new Action <Diagnostic>(context.ReportDiagnostic), instance1);
VariableInitializationUsageAnalyzer.ReportNotInitializedVariables(new Action <Diagnostic>(context.ReportDiagnostic), instance2);
}
finally
{
instance1.Free();
instance2.Free();
}
}
private static void InitializeGlobalVariablesAnalyzer(
SyntaxNodeAnalysisContext syntaxNodeAnalysisContext)
{
PooledNameObjectDictionary <VariableDeclarationBaseSyntax> instance1 = PooledNameObjectDictionary <VariableDeclarationBaseSyntax> .GetInstance();
PooledNameObjectDictionary <IdentifierNameSyntax> instance2 = PooledNameObjectDictionary <IdentifierNameSyntax> .GetInstance();
PooledNameObjectDictionary <IdentifierNameSyntax> instance3 = PooledNameObjectDictionary <IdentifierNameSyntax> .GetInstance();
PooledNameObjectDictionary <IdentifierNameSyntax> instance4 = PooledNameObjectDictionary <IdentifierNameSyntax> .GetInstance();
PooledNameObjectDictionary <IdentifierNameSyntax> instance5 = PooledNameObjectDictionary <IdentifierNameSyntax> .GetInstance();
try
{
VariableInitializationUsageAnalyzer.CollectDeclaredGlobalVariables(syntaxNodeAnalysisContext, (Dictionary <string, VariableDeclarationBaseSyntax>)instance1);
foreach (SyntaxNode descendantNode in syntaxNodeAnalysisContext.Node.DescendantNodes())
{
if (descendantNode.IsKind(SyntaxKind.IdentifierName))
{
// ISSUE: variable of a compiler-generated type
IdentifierNameSyntax identifier = (IdentifierNameSyntax)descendantNode;
if (instance1.ContainsKey(identifier.Identifier.ValueText) && !identifier.Parent.IsKind(SyntaxKind.VariableDeclaration))
{
VariableInitializationUsageAnalyzer.AnalyzeGlobalVarUsage(identifier, (Dictionary <string, IdentifierNameSyntax>)instance2, (Dictionary <string, IdentifierNameSyntax>)instance3, (Dictionary <string, IdentifierNameSyntax>)instance4, (Dictionary <string, IdentifierNameSyntax>)instance5, syntaxNodeAnalysisContext, (Dictionary <string, VariableDeclarationBaseSyntax>)instance1);
}
}
}
VariableInitializationUsageAnalyzer.ReportInitializedNotUsedNotInitializedUsedVars(syntaxNodeAnalysisContext, (Dictionary <string, IdentifierNameSyntax>)instance3, (Dictionary <string, IdentifierNameSyntax>)instance2, (Dictionary <string, VariableDeclarationBaseSyntax>)instance1);
}
finally
{
instance1.Free();
instance2.Free();
instance3.Free();
instance4.Free();
instance5.Free();
}
}
private static void ReportInitializedNotUsedNotInitializedUsedVars(
SyntaxNodeAnalysisContext context,
Dictionary <string, IdentifierNameSyntax> firstGlobalVarInitializerSyntax,
Dictionary <string, IdentifierNameSyntax> firstGlobalVarUsageSyntax,
Dictionary <string, VariableDeclarationBaseSyntax> globalVariables)
{
PooledHashSet <IdentifierNameSyntax> instance1 = PooledHashSet <IdentifierNameSyntax> .GetInstance();
PooledHashSet <IdentifierNameSyntax> instance2 = PooledHashSet <IdentifierNameSyntax> .GetInstance();
try
{
VariableInitializationUsageAnalyzer.CollectInitializedNotUsedNotInitializedUsedGlobalVars((HashSet <IdentifierNameSyntax>)instance2, (HashSet <IdentifierNameSyntax>)instance1, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax, globalVariables);
VariableInitializationUsageAnalyzer.ReportInitializedNotUsedVariables(new Action <Diagnostic>(context.ReportDiagnostic), instance1);
VariableInitializationUsageAnalyzer.ReportNotInitializedVariables(new Action <Diagnostic>(context.ReportDiagnostic), instance2);
}
finally
{
instance1.Free();
instance2.Free();
}
}
public void CollectLocalVariablesUsage(SyntaxNodeAnalysisContext context)
{
IdentifierNameSyntax identifierNameSyntax = context.GetIdentifierNameSyntax();
if (identifierNameSyntax == null || this.localVariables.Count == 0 || !this.localVariables.ContainsKey(identifierNameSyntax.Identifier.ValueText))
{
return;
}
VariableDeclarationBaseSyntax declarationBaseSyntax;
this.localVariables.TryGetValue(identifierNameSyntax.Identifier.ValueText, out declarationBaseSyntax);
NavTypeKind navTypeKind = NavTypeExtensions.GetNavTypeKind(declarationBaseSyntax?.Type.DataType.TypeName.ValueText);
SyntaxKind kind = identifierNameSyntax.Parent.Kind;
if ((uint)kind <= 233U)
{
switch (kind)
{
case SyntaxKind.AssignmentStatement:
VariableInitializationUsageAnalyzer.AnalyzeAssignmentStatementIdentifier(identifierNameSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstLocalVarUsageSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstRecordChangeSyntax, navTypeKind);
return;
case SyntaxKind.CompoundAssignmentStatement:
VariableInitializationUsageAnalyzer.AnalyzeCompoundAssignmentStatementIdentifier(identifierNameSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstLocalVarUsageSyntax);
return;
case SyntaxKind.ForStatement:
VariableInitializationUsageAnalyzer.AnalyzeForStatementIdentifier(identifierNameSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstLocalVarUsageSyntax);
return;
}
}
else
{
switch (kind)
{
case SyntaxKind.ForEachStatement:
VariableInitializationUsageAnalyzer.AnalyzeForEachStatementIdentifier(identifierNameSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstLocalVarUsageSyntax);
return;
case SyntaxKind.ArrayIndexExpression:
if (navTypeKind != NavTypeKind.Code && navTypeKind != NavTypeKind.Text)
{
return;
}
VariableInitializationUsageAnalyzer.AnalyzeArrayIndexExpressionIdentifier(identifierNameSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax);
return;
case SyntaxKind.MemberAccessExpression:
if (navTypeKind != NavTypeKind.List && navTypeKind != NavTypeKind.Record)
{
return;
}
VariableInitializationUsageAnalyzer.AnalyzeMemberAccessIdentifier(identifierNameSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstLocalVarUsageSyntax, (Dictionary <string, IdentifierNameSyntax>) this.lastRecordModifyInvocationSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstRecordChangeSyntax, navTypeKind);
return;
case SyntaxKind.OptionAccessExpression:
return;
case SyntaxKind.ArgumentList:
VariableInitializationUsageAnalyzer.AnalyzeArgumentListIdentifier(identifierNameSyntax, context, (Dictionary <string, IdentifierNameSyntax>) this.firstInitializerSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstLocalVarUsageSyntax, (Dictionary <string, IdentifierNameSyntax>) this.firstRecordChangeSyntax, navTypeKind);
return;
}
}
this.firstLocalVarUsageSyntax.AddIdentifierIfNotExist(identifierNameSyntax);
}
private static void CollectDeclaredGlobalVariables(
SyntaxNodeAnalysisContext syntaxNodeAnalysisContext,
Dictionary <string, VariableDeclarationBaseSyntax> globalVariables)
{
// ISSUE: variable of a compiler-generated type
ApplicationObjectSyntax node = (ApplicationObjectSyntax)syntaxNodeAnalysisContext.Node;
SyntaxList <MemberSyntax> members = node.Members;
int index1 = members.IndexOf((Func <MemberSyntax, bool>)(ms => ms.Kind == SyntaxKind.GlobalVarSection));
if (index1 != -1)
{
members = node.Members;
foreach (VariableDeclarationBaseSyntax variable in ((VarSectionBaseSyntax)members[index1]).Variables)
{
VariableInitializationUsageAnalyzer.AddVariableToGlobalVarList(globalVariables, variable);
}
}
if (!syntaxNodeAnalysisContext.Node.IsKind(SyntaxKind.ReportObject, SyntaxKind.XmlPortObject))
{
return;
}
switch (syntaxNodeAnalysisContext.Node.Kind)
{
case SyntaxKind.ReportObject:
// ISSUE: variable of a compiler-generated type
RequestPageSyntax requestPage = ((ReportSyntax)syntaxNodeAnalysisContext.Node).RequestPage;
int num1;
if (requestPage == null)
{
num1 = -1;
}
else
{
members = requestPage.Members;
num1 = members.IndexOf((Func <MemberSyntax, bool>)(ms => ms.Kind == SyntaxKind.GlobalVarSection));
}
int index2 = num1;
if (index2 == -1)
{
break;
}
Dictionary <string, VariableDeclarationBaseSyntax> globalVariables1 = globalVariables;
members = ((ReportSyntax)syntaxNodeAnalysisContext.Node).RequestPage.Members;
SyntaxList <VariableDeclarationBaseSyntax> variables1 = ((VarSectionBaseSyntax)members[index2]).Variables;
VariableInitializationUsageAnalyzer.AddVariablesToGlobalVarList(globalVariables1, variables1);
break;
case SyntaxKind.XmlPortObject:
// ISSUE: variable of a compiler-generated type
RequestPageSyntax xmlPortRequestPage = ((XmlPortSyntax)syntaxNodeAnalysisContext.Node).XmlPortRequestPage;
int num2;
if (xmlPortRequestPage == null)
{
num2 = -1;
}
else
{
members = xmlPortRequestPage.Members;
num2 = members.IndexOf((Func <MemberSyntax, bool>)(ms => ms.Kind == SyntaxKind.GlobalVarSection));
}
int index3 = num2;
if (index3 == -1)
{
break;
}
Dictionary <string, VariableDeclarationBaseSyntax> globalVariables2 = globalVariables;
members = ((XmlPortSyntax)syntaxNodeAnalysisContext.Node).XmlPortRequestPage.Members;
SyntaxList <VariableDeclarationBaseSyntax> variables2 = ((VarSectionBaseSyntax)members[index3]).Variables;
VariableInitializationUsageAnalyzer.AddVariablesToGlobalVarList(globalVariables2, variables2);
break;
}
}
public override void Initialize(AnalysisContext context)
{
context.RegisterSyntaxNodeAction(new Action <SyntaxNodeAnalysisContext>(VariableInitializationUsageAnalyzer.InitializeGlobalVariablesAnalyzer), VariableInitializationUsageAnalyzer.objectSyntaxKinds);
VariableInitializationUsageAnalyzer.InitializeLocalVariablesAnalyzer(context);
}
private static void AnalyzeGlobalVarUsage(
IdentifierNameSyntax identifier,
Dictionary <string, IdentifierNameSyntax> firstGlobalVarUsageSyntax,
Dictionary <string, IdentifierNameSyntax> firstGlobalVarInitializerSyntax,
Dictionary <string, IdentifierNameSyntax> lastRecordModifyInvocationSyntax,
Dictionary <string, IdentifierNameSyntax> firstRecordChangeSyntax,
SyntaxNodeAnalysisContext syntaxNodeAnalysisContext,
Dictionary <string, VariableDeclarationBaseSyntax> globalVariables)
{
if (IdentifierUtilities.IdentifierIsLocalVariable(identifier))
{
return;
}
SyntaxKind kind = identifier.Parent.Kind;
switch (kind)
{
case SyntaxKind.PageField:
case SyntaxKind.ReportColumn:
firstGlobalVarInitializerSyntax.AddIdentifierIfNotExist(identifier);
firstGlobalVarUsageSyntax.AddIdentifierIfNotExist(identifier);
break;
default:
if (globalVariables.Count == 0 || !globalVariables.ContainsKey(identifier.Identifier.ValueText))
{
break;
}
// ISSUE: variable of a compiler-generated type
VariableDeclarationBaseSyntax declarationBaseSyntax;
globalVariables.TryGetValue(identifier.Identifier.ValueText, out declarationBaseSyntax);
NavTypeKind navTypeKind = NavTypeExtensions.GetNavTypeKind(declarationBaseSyntax?.Type.DataType.TypeName.ValueText);
if ((uint)kind <= 233U)
{
switch (kind)
{
case SyntaxKind.AssignmentStatement:
VariableInitializationUsageAnalyzer.AnalyzeAssignmentStatementIdentifier(identifier, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax, firstRecordChangeSyntax, navTypeKind);
return;
case SyntaxKind.CompoundAssignmentStatement:
if (navTypeKind == NavTypeKind.Record)
{
return;
}
VariableInitializationUsageAnalyzer.AnalyzeCompoundAssignmentStatementIdentifier(identifier, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax);
return;
case SyntaxKind.ForStatement:
if (navTypeKind == NavTypeKind.Record)
{
return;
}
VariableInitializationUsageAnalyzer.AnalyzeForStatementIdentifier(identifier, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax);
return;
}
}
else if ((uint)kind <= 262U)
{
switch (kind)
{
case SyntaxKind.ForEachStatement:
if (navTypeKind == NavTypeKind.Record)
{
return;
}
VariableInitializationUsageAnalyzer.AnalyzeForEachStatementIdentifier(identifier, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax);
return;
case SyntaxKind.ArrayIndexExpression:
if (navTypeKind != NavTypeKind.Code && navTypeKind != NavTypeKind.Text)
{
return;
}
VariableInitializationUsageAnalyzer.AnalyzeArrayIndexExpressionIdentifier(identifier, firstGlobalVarInitializerSyntax);
return;
}
}
else if (kind != SyntaxKind.MemberAccessExpression)
{
if (kind == SyntaxKind.ArgumentList)
{
VariableInitializationUsageAnalyzer.AnalyzeArgumentListIdentifier(identifier, syntaxNodeAnalysisContext, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax, firstRecordChangeSyntax, navTypeKind);
break;
}
}
else
{
VariableInitializationUsageAnalyzer.AnalyzeMemberAccessIdentifier(identifier, firstGlobalVarInitializerSyntax, firstGlobalVarUsageSyntax, lastRecordModifyInvocationSyntax, firstRecordChangeSyntax, navTypeKind);
break;
}
if (navTypeKind == NavTypeKind.Record)
{
break;
}
firstGlobalVarUsageSyntax.AddIdentifierIfNotExist(identifier);
break;
}
}