private void AnalyzeNode(SyntaxNodeAnalysisContext context)
{
var ifStatement = (IfStatementSyntax)context.Node;
bool?expressionValue = IfResultAnalyzer.GetResult(ifStatement.Condition);
if (expressionValue.HasValue)
{
var diagnostic = Diagnostic.Create(Rule, ifStatement.Condition.GetLocation(), expressionValue.Value);
context.ReportDiagnostic(diagnostic);
}
}
private async Task <Document> FixIfStatement(Document document,
IfStatementSyntax ifExpr,
CancellationToken cancellationToken)
{
var semanticModel =
await document.GetSemanticModelAsync(cancellationToken);
var ifResult = IfResultAnalyzer.GetResult(ifExpr.Condition);
if (!ifResult.HasValue)
{
return(document);
}
StatementSyntax ifContent;
if (ifResult.Value)
{
ifContent = ifExpr.Statement;//.RemoveNode();
}
else if (ifExpr.Else != null)
{
ifContent = ifExpr.Else.Statement;
}
else
{
ifContent = null;
}
var root = await document.GetSyntaxRootAsync();
SyntaxNode newRoot = null;
if (ifContent != null)
{
List <StatementSyntax> statements;
var blockStatementSyntax = ifContent as BlockSyntax;
if (blockStatementSyntax != null)
{
statements = blockStatementSyntax.Statements.Select(stmn => stmn.WithoutLeadingTrivia()).ToList();
}
else
{
statements = new List <StatementSyntax> {
ifContent.WithoutLeadingTrivia()
};
}
var list = SyntaxFactory.List(statements);
newRoot = root.ReplaceNode(ifExpr, list);
}
else
{
newRoot = root.RemoveNode(ifExpr, SyntaxRemoveOptions.KeepEndOfLine);
}
var newDocument = document.WithSyntaxRoot(newRoot);
return(newDocument);
}