private void AnalyzeWhileStatement(SyntaxNodeAnalysisContext context)
{
InfiniteLoopStyle style = context.GetInfiniteLoopStyle();
if (style == InfiniteLoopStyle.ForStatement)
{
var whileStatement = (WhileStatementSyntax)context.Node;
if (whileStatement.Condition.IsKind(SyntaxKind.TrueLiteralExpression))
{
TextSpan span = TextSpan.FromBounds(
whileStatement.OpenParenToken.Span.End,
whileStatement.CloseParenToken.SpanStart);
if (whileStatement
.DescendantTrivia(span)
.All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.NormalizeUsageOfInfiniteLoop,
whileStatement.WhileKeyword,
"for");
}
}
}
}
private void AnalyzeDoStatement(SyntaxNodeAnalysisContext context)
{
var doStatement = (DoStatementSyntax)context.Node;
if (doStatement.Condition.IsKind(SyntaxKind.TrueLiteralExpression))
{
InfiniteLoopStyle style = context.GetInfiniteLoopStyle();
if (style == InfiniteLoopStyle.ForStatement)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.NormalizeUsageOfInfiniteLoop,
doStatement.DoKeyword,
"for");
}
else if (style == InfiniteLoopStyle.WhileStatement)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.NormalizeUsageOfInfiniteLoop,
doStatement.DoKeyword,
"while");
}
}
}
private void AnalyzeForStatement(SyntaxNodeAnalysisContext context)
{
InfiniteLoopStyle style = context.GetInfiniteLoopStyle();
if (style == InfiniteLoopStyle.WhileStatement)
{
var forStatement = (ForStatementSyntax)context.Node;
if (forStatement.Declaration == null &&
forStatement.Condition == null &&
!forStatement.Incrementors.Any() &&
!forStatement.Initializers.Any() &&
!forStatement.OpenParenToken.ContainsDirectives &&
!forStatement.FirstSemicolonToken.ContainsDirectives &&
!forStatement.SecondSemicolonToken.ContainsDirectives &&
!forStatement.CloseParenToken.ContainsDirectives)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.NormalizeUsageOfInfiniteLoop,
forStatement.ForKeyword,
"while");
}
}
}
