Get fully-qualified metadata name in Roslyn

Get fully-qualified metadata name in Roslyn

In Roslyn, you can get the fully-qualified metadata name for a given ISymbol using the MetadataName property. This property returns the fully-qualified name of the symbol as it appears in metadata.

Here's an example of how to get the fully-qualified metadata name for a symbol:

using Microsoft.CodeAnalysis; using Microsoft.CodeAnalysis.CSharp; using Microsoft.CodeAnalysis.CSharp.Syntax; // parse a C# syntax tree from a code string string code = "namespace MyNamespace { class MyClass { } }"; SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(code); // get the semantic model for the syntax tree SemanticModel semanticModel = CSharpCompilation.Create("MyCompilation").AddSyntaxTrees(syntaxTree).GetSemanticModel(syntaxTree); // get the symbol for the MyClass class ClassDeclarationSyntax classDeclaration = syntaxTree.GetRoot().DescendantNodes().OfType<ClassDeclarationSyntax>().Single(); ISymbol classSymbol = semanticModel.GetDeclaredSymbol(classDeclaration); // get the fully-qualified metadata name for the class symbol string metadataName = classSymbol.MetadataName; 

In this example, we first parse a C# syntax tree from a code string using the CSharpSyntaxTree.ParseText() method. We then create a SemanticModel for the syntax tree using a CSharpCompilation object.

Next, we use the GetDeclaredSymbol() method of the semantic model to get the symbol for the MyClass class declaration in the syntax tree.

Finally, we get the fully-qualified metadata name for the class symbol using the MetadataName property. The resulting metadataName variable will contain the string "MyNamespace.MyClass".

Examples

  1. "Roslyn get fully-qualified name of a symbol":

    • Description: A general query seeking code to obtain the fully-qualified name of a symbol in a Roslyn workspace.
    var symbol = // Your symbol here; string fullyQualifiedName = symbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat); 
  2. "Roslyn get metadata name of a type symbol":

    • Description: Searches for code to get the metadata name of a type symbol in Roslyn.
    var typeSymbol = // Your type symbol here; string metadataName = typeSymbol.MetadataName; 
  3. "Roslyn get fully-qualified syntax node name":

    • Description: A query focusing on code to retrieve the fully-qualified name of a syntax node in Roslyn.
    var syntaxNode = // Your syntax node here; string fullyQualifiedName = syntaxNode.GetFullyQualifiedName(); 

    (Note: GetFullyQualifiedName is a hypothetical extension method; you might need to implement it based on your specific requirements.)

  4. "Roslyn get metadata name of a method symbol":

    • Description: Looks for code to get the metadata name of a method symbol in Roslyn.
    var methodSymbol = // Your method symbol here; string metadataName = methodSymbol.MetadataName; 
  5. "Roslyn get fully-qualified name of a namespace symbol":

    • Description: Searches for code to obtain the fully-qualified name of a namespace symbol in Roslyn.
    var namespaceSymbol = // Your namespace symbol here; string fullyQualifiedName = namespaceSymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat); 
  6. "Roslyn get fully-qualified name of a property symbol":

    • Description: A query aiming to get the fully-qualified name of a property symbol in Roslyn.
    var propertySymbol = // Your property symbol here; string fullyQualifiedName = propertySymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat); 
  7. "Roslyn get fully-qualified name of a local variable":

    • Description: Searches for code to retrieve the fully-qualified name of a local variable symbol in Roslyn.
    var localSymbol = // Your local variable symbol here; string fullyQualifiedName = localSymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat); 
  8. "Roslyn get fully-qualified name of a field symbol":

    • Description: A query looking for code to get the fully-qualified name of a field symbol in Roslyn.
    var fieldSymbol = // Your field symbol here; string fullyQualifiedName = fieldSymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat); 
  9. "Roslyn get metadata name of a parameter symbol":

    • Description: Searches for code to get the metadata name of a parameter symbol in Roslyn.
    var parameterSymbol = // Your parameter symbol here; string metadataName = parameterSymbol.MetadataName; 
  10. "Roslyn get fully-qualified name of a type in a syntax tree":

    • Description: A query seeking code to obtain the fully-qualified name of a type declared in a syntax tree in Roslyn.
    var syntaxTree = // Your syntax tree here; var semanticModel = // Your semantic model here; var typeDeclaration = // Your type declaration syntax here; var typeSymbol = semanticModel.GetDeclaredSymbol(typeDeclaration); string fullyQualifiedName = typeSymbol.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat); 

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