/// <summary>
/// We replace a field with a property to handle event subscription, so need to update the name so the winforms designer regenerates the file correctly in future
/// </summary>
/// <returns></returns>
public static bool ShouldPrefixAssignedNameWithUnderscore(VBSyntax.StatementSyntax statementOrNull)
{
return(statementOrNull is VBSyntax.AssignmentStatementSyntax assignment && InMethodCalledInitializeComponent(assignment) &&
assignment.Left is VBSyntax.MemberAccessExpressionSyntax maes &&
!(maes.Expression is VBSyntax.MeExpressionSyntax) &&
maes.Name.ToString() == "Name");
}
public static CodeItem MapMember(VisualBasicSyntax.StatementSyntax member)
{
if (member == null)
{
return(null);
}
switch (member.Kind())
{
case VisualBasic.SyntaxKind.FunctionBlock:
case VisualBasic.SyntaxKind.SubBlock:
return(MethodMapper.MapMethod(member as VisualBasicSyntax.MethodBlockSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.SubStatement:
return(MethodMapper.MapMethod(member as VisualBasicSyntax.MethodStatementSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.EnumBlock:
return(EnumMapper.MapEnum(member as VisualBasicSyntax.EnumBlockSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.EnumMemberDeclaration:
return(EnumMapper.MapEnumMember(member as VisualBasicSyntax.EnumMemberDeclarationSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.InterfaceBlock:
return(InterfaceMapper.MapInterface(member as VisualBasicSyntax.InterfaceBlockSyntax, _control, _semanticModel, _tree));
case VisualBasic.SyntaxKind.FieldDeclaration:
return(FieldMapper.MapField(member as VisualBasicSyntax.FieldDeclarationSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.PropertyBlock:
return(PropertyMapper.MapProperty(member as VisualBasicSyntax.PropertyBlockSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.StructureBlock:
return(StructMapper.MapStruct(member as VisualBasicSyntax.StructureBlockSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.ClassBlock:
case VisualBasic.SyntaxKind.ModuleBlock:
return(ClassMapper.MapClass(member as VisualBasicSyntax.TypeBlockSyntax, _control, _semanticModel, _tree));
case VisualBasic.SyntaxKind.EventBlock:
return(DelegateEventMapper.MapEvent(member as VisualBasicSyntax.EventBlockSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.DelegateFunctionStatement:
return(DelegateEventMapper.MapDelegate(member as VisualBasicSyntax.DelegateStatementSyntax, _control, _semanticModel));
case VisualBasic.SyntaxKind.NamespaceBlock:
return(NamespaceMapper.MapNamespace(member as VisualBasicSyntax.NamespaceBlockSyntax, _control, _semanticModel, _tree));
case VisualBasic.SyntaxKind.ConstructorBlock:
return(MethodMapper.MapConstructor(member as VisualBasicSyntax.ConstructorBlockSyntax, _control, _semanticModel));
default:
return(null);
}
}
private bool UnpackExpressionFromStatement(StatementSyntax statementSyntax, out ExpressionSyntax expression)
{
if (statementSyntax is ReturnStatementSyntax)
{
expression = ((ReturnStatementSyntax)statementSyntax).Expression;
}
else if (statementSyntax is YieldStatementSyntax)
{
expression = ((YieldStatementSyntax)statementSyntax).Expression;
}
else
{
expression = null;
}
return(expression != null);
}
private static bool UnpackExpressionFromStatement(StatementSyntax statementSyntax, out ExpressionSyntax expression)
{
if (statementSyntax is ReturnStatementSyntax returnStmt)
{
expression = returnStmt.Expression;
}
else if (statementSyntax is YieldStatementSyntax yieldStmt)
{
expression = yieldStmt.Expression;
}
else
{
expression = null;
}
return(expression != null);
}
private static bool TryGetNodeForeSingleLineLambdaExpression(SyntaxKind kind, StatementSyntax statement, out VisualBasicSyntaxNode singleNode)
{
switch (kind)
{
case SyntaxKind.SingleLineSubLambdaExpression when !(statement is MultiLineIfBlockSyntax):
singleNode = statement;
return(true);
case SyntaxKind.SingleLineFunctionLambdaExpression when UnpackExpressionFromStatement(statement, out var expression):
singleNode = expression;
return(true);
default:
singleNode = null;
return(false);
}
}
private static bool TryGetNodeForeSingleLineLambdaExpression(SyntaxKind kind, StatementSyntax statement, out VisualBasicSyntaxNode singleNode)
{
switch (kind)
{
case SyntaxKind.SingleLineSubLambdaExpression when statement.DescendantNodesAndSelf().OfType <StatementSyntax>().Count() == 1:
singleNode = statement;
return(true);
case SyntaxKind.SingleLineFunctionLambdaExpression when UnpackExpressionFromStatement(statement, out var expression):
singleNode = expression;
return(true);
default:
singleNode = null;
return(false);
}
}
public static List <CodeItem> MapStatement(VisualBasicSyntax.StatementSyntax statement, CodeViewUserControl control, SemanticModel semanticModel)
{
if (statement == null)
{
return(new List <CodeItem>());
}
switch (statement.Kind())
{
case VisualBasic.SyntaxKind.SelectBlock:
return(new List <CodeItem> {
MapSwitch(statement as VisualBasicSyntax.SelectBlockSyntax, control, semanticModel)
});
case VisualBasic.SyntaxKind.TryStatement:
return(MapStatement((statement as VisualBasicSyntax.TryBlockSyntax), control, semanticModel));
default:
return(new List <CodeItem>());
}
}
public override void VisitStatement(VBSyntax.StatementSyntax node,
ExecutionState state,
VariableState statementState,
Configuration projectConfiguration)
{
if (!XssPreventionAnalyzer.ExecutionStates.ContainsKey(state))
{
return;
}
var returnStatements = node.DescendantNodesAndSelf().OfType <VBSyntax.ReturnStatementSyntax>();
if (!returnStatements.Any())
{
return;
}
if ((statementState.Taint & VariableTaint.Tainted) != 0 &&
(((ulong)statementState.Taint) & projectConfiguration.TaintTypeNameToBit["HtmlEscaped"]) == 0)
{
XssPreventionAnalyzer.Check(node, state, projectConfiguration, returnStatements);
}
}
public virtual void VisitStatement(VBSyntax.StatementSyntax node,
ExecutionState state,
Configuration projectConfiguration)
{
}
// (ii) Visual Basic
public virtual void VisitStatement(VBSyntax.StatementSyntax node, ExecutionState state)
{
}