C# 使用Roslyn向类中添加新字段声明
有什么方法可以通过roslyn向类中添加成员?我想补充:C# 使用Roslyn向类中添加新字段声明,c#,roslyn,roslyn-code-analysis,C#,Roslyn,Roslyn Code Analysis,有什么方法可以通过roslyn向类中添加成员?我想补充: public int number {get;set;} 更新 我使用了以下代码: PropertyDeclarationSyntax o = SyntaxFactory.PropertyDeclaration(SyntaxFactory.ParseTypeName("public System.Windows.Forms.Timer"), "Ticker { get; set; }")
public int number {get;set;}
更新
我使用了以下代码:
PropertyDeclarationSyntax o =
SyntaxFactory.PropertyDeclaration(SyntaxFactory.ParseTypeName("public
System.Windows.Forms.Timer"), "Ticker { get; set; }");
var newRoot = root.ReplaceNode(oldMethod, oldMethod.AddMembers(o));
newRoot = Formatter.Format(newRoot, new AdhocWorkspace());
File.WriteAllText(file, newRoot.ToFullString());
但结果是:
public class ClassChild
{
public int n;
private int n2;
public void method1()
{
string c = "";
Console.WriteLine();
}
public System.Windows.Forms.TimerTicker { get; set; }
}
}
我想用n和n2内联public System.Windows.Forms.TimerTicker{get;set;}。我如何才能做到这一点?请参阅代码
private PropertyDeclarationSyntax MakeProperty()
{
string name = "n";
// Create an auto-property
var property =
SyntaxFactory.PropertyDeclaration(SyntaxFactory.ParseTypeName("int"), name)
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword))
.AddAccessorListAccessors(
SyntaxFactory.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration).WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)),
SyntaxFactory.AccessorDeclaration(SyntaxKind.SetAccessorDeclaration).WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken))
);
return property;
}
private async Task<Document> AddProperty(Document document, ClassDeclarationSyntax classeDecl, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
var newClass = classeDecl.AddMembers(MakeProperty());
return document.WithSyntaxRoot(root.ReplaceNode(classeDecl, newClass));
}
私有属性声明语法MakeProperty()
{
string name=“n”;
//创建自动属性
var特性=
SyntaxFactory.PropertyDeclaration(SyntaxFactory.ParseTypeName(“int”),名称)
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword))
.AddAccessorListAccessor(
SyntaxFactory.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)。使用SemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken)),
SyntaxFactory.AccessorDeclaration(SyntaxKind.SetAccessorDeclaration)。带有SemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken))
);
归还财产;
}
专用异步任务AddProperty(文档文档、ClassDeclarationSyntax classeDecl、CancellationToken CancellationToken)
{
var root=await document.GetSyntaxRootAsync(cancellationToken);
var newClass=classeDecl.AddMembers(MakeProperty());
返回文档.WithSyntaxRoot(root.ReplaceNode(classeDecl,newClass));
}
自动属性生成示例取自问题。就我个人而言,我更喜欢这种技术:
public static class SyntaxHelpers
{
public static T GenerateClassNode<T>(string decl) where T : CSharpSyntaxNode
{
var declaration = SyntaxFactory.ParseCompilationUnit(
" public class FSM { \r\n" +
$"{decl}\r\n" +
" }} \r\n");
var field = declaration.Members[0].DescendantNodes().First() as T;
return field;
}
}
公共静态类语法助手
{
公共静态T GenerateClassNode(字符串decl),其中T:CSharpSyntaxNode
{
var声明=SyntaxFactory.ParseCompliationUnit(
“公共类FSM{\r\n”+
$“{decl}\r\n”+
“}}\r\n”);
var field=declaration.Members[0].子代节点().First()作为T;
返回字段;
}
}
然后您可以按如下方式使用它:
string log4NetLoggerDeclaration =
"private static readonly log4net.ILog Logger = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);";
var log4NetDeclarationStatement = SyntaxHelpers.GenerateClassNode<FieldDeclarationSyntax>(log4NetLoggerDeclaration);
string declarationString = log4NetLoggerDeclaration.ToString();
string log4NetLoggerDeclaration=
“私有静态只读log4net.ILog Logger=log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);”;
var log4NetDeclarationStatement=SyntaxHelpers.GenerateClassNode(log4NetLoggerDeclaration);
string declarationString=log4NetLoggerDeclaration.ToString();
您能扩展您想要实现的目标吗?创建用于添加值的analyzer\fixer或独立实用程序(用于生成过程,例如.ex.)?我想修复添加新字段的类。过去,我成功地向方法添加了一条新语句:/MethodDeclarationSyntax updateMethod=oldMethod.AddBodyStatements(ex)//var updateroot=root.ReplaceNode(oldMethod,updateMethod).NormalizeWhitespace();我也想做同样的事情你能帮我吗?还有其他问题:,,你试过了吗?是的,我试过了,但不管用