static bool HasConflictingNames(SyntaxNodeAnalysisContext nodeContext, IfStatementSyntax ifElseStatement)
{
var block = ifElseStatement.Else.Statement as BlockSyntax;
if (block == null || block.Statements.Count == 0)
return false;
var member = ifElseStatement.Ancestors().FirstOrDefault(a => a is MemberDeclarationSyntax);
var priorLocalDeclarations = new List<string>();
foreach (var localDecl in member.DescendantNodes().Where(n => n.SpanStart < ifElseStatement.Else.SpanStart).OfType<LocalDeclarationStatementSyntax>()) {
foreach (var v in localDecl.Declaration.Variables)
priorLocalDeclarations.Add(v.Identifier.ValueText);
}
foreach (var sym in block.Statements)
{
var decl = sym as LocalDeclarationStatementSyntax;
if (decl == null)
continue;
if (priorLocalDeclarations.Contains(s => decl.Declaration.Variables.Any(v => v.Identifier.ValueText == s)))
return true;
}
return false;
}
static bool HasConflictingNames(SyntaxNodeAnalysisContext nodeContext, IfStatementSyntax ifElseStatement)
{
var block = ifElseStatement.Else?.Statement as BlockSyntax;
if (block == null || block.Statements.Count == 0)
{
return(false);
}
var member = ifElseStatement.Ancestors().FirstOrDefault(a => a is MemberDeclarationSyntax);
var priorLocalDeclarations = new HashSet <string>();
foreach (var localDecl in member.DescendantNodes().Where(n => n.SpanStart < ifElseStatement.Else.SpanStart).OfType <LocalDeclarationStatementSyntax>())
{
foreach (var v in localDecl.Declaration.Variables)
{
priorLocalDeclarations.Add(v.Identifier.ValueText);
}
}
foreach (var sym in block.Statements)
{
var decl = sym as LocalDeclarationStatementSyntax;
if (decl == null)
{
continue;
}
foreach (var variable in decl.Declaration.Variables)
{
if (priorLocalDeclarations.Contains(variable.Identifier.ValueText))
{
return(true);
}
}
}
return(false);
}