我想修改(在前面添加一个前缀)局部声明方法及其在
.cs
文件中的使用情况。最佳做法是什么?目前我的代码只处理声明。using System;
using System.IO;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
namespace CodeScanner {
internal sealed class Fixer : CSharpSyntaxRewriter {
public override SyntaxNode VisitInvocationExpression(InvocationExpressionSyntax node) {
base.VisitInvocationExpression(node);
// replace usages
return node;
}
public override SyntaxNode VisitMethodDeclaration(MethodDeclarationSyntax node) {
base.VisitMethodDeclaration(node);
return node.ReplaceNode(node, SyntaxFactory.MethodDeclaration(
node.AttributeLists,
node.Modifiers,
node.ReturnType,
node.ExplicitInterfaceSpecifier,
SyntaxFactory.Identifier("prefix_" + node.Identifier.Value),
node.TypeParameterList,
node.ParameterList,
node.ConstraintClauses,
node.Body,
node.ExpressionBody));
}
}
class Program {
static void Main(string[] args) {
var tree = CSharpSyntaxTree.ParseText(File.ReadAllText("./test.cs"));
var rewriter = new Fixer();
var result = rewriter.Visit(tree.GetRoot());
Console.WriteLine(result.ToFullString());
}
}
}
输入文件
using System;
namespace TopLevel
{
class Bar {
public void test1(){}
public void test2(){ Console.WriteLine("str"); }
public void Fizz() {
Console.WriteLine(test1());
Console.WriteLine(test1(test2()));
test2();
}
}
}
输出
using System;
namespace TopLevel
{
class Bar {
public void prefix_test1(){}
public void prefix_test2(){ Console.WriteLine("str"); }
public void prefix_Fizz() {
Console.WriteLine(test1());
Console.WriteLine(test1(test2()));
test2();
}
}
}
期望输出(@ Fizz更改):
using System;
namespace TopLevel
{
class Bar {
public void prefix_test1(){}
public void prefix_test2(){ Console.WriteLine("str"); }
public void prefix_Fizz() {
Console.WriteLine(prefix_test1());
Console.WriteLine(prefix_test1(prefix_test2()));
prefix_test2();
}
}
}
Console.WriteLine(test1());
更改为Console.WriteLine(prefix_test1());
。 - Le Vu