如何使用Roslyn（Microsoft CodeAnalysis）获取范围内的所有可见局部变量名称

Question

（请注意：这不是关于运行时反射/元信息）

我正在编写Roslyn CSharpSyntaxVisitor的具体实现

实施VisitIdentifierName

时

public override SyntaxNode VisitIdentifierName(IdentifierNameSyntax name)
{
   var symbolInfo = _semanticModel.GetSymbolInfo(name);
   var fieldSymbol = symbolInfo.Symbol as IFieldSymbol;
   if (fieldSymbol != null)
   {
       // Here I would like to get all the local variable names what are visible
       // in the very same scope where this field IdentifierNameSyntax under visiting resides
       // We can suppose that _semanticNodel for the Document is available.
   }
}

Answer 1

调用SemanticModel.LookupSymbols()，然后过滤局部变量。

您可能还想过滤掉在该位置之后声明的本地人;见this code。