xamarin-macios/tests/xtro-sharpie/DesignatedInitializerCheck.cs

83 строки
2.4 KiB
C#

//
// The rule reports
//
// !incorrect-designated-initializer!
// when a method, instead of a constructor, is decorated with [DesignatedInitializer] attribute
//
// !missing-designated-initializer!
// when a managed constructor is missing its [DesignatedInitializer] attribute
//
// !extra-designated-initializer!
// when a managed constructor has no business to have an [DesignatedInitializer] attribute
//
using System;
using System.Collections.Generic;
using Mono.Cecil;
using Clang.Ast;
namespace Extrospection {
public class DesignatedInitializerCheck : BaseVisitor {
static Dictionary<string,TypeDefinition> types = new Dictionary<string,TypeDefinition> ();
static Dictionary<string,MethodDefinition> methods = new Dictionary<string,MethodDefinition> ();
static TypeDefinition GetType (ObjCInterfaceDecl decl)
{
TypeDefinition td;
types.TryGetValue (decl.Name, out td);
return td;
}
static MethodDefinition GetMethod (ObjCMethodDecl decl)
{
MethodDefinition md;
methods.TryGetValue (decl.GetName (), out md);
return md;
}
public override void VisitManagedMethod (MethodDefinition method)
{
var key = method.GetName ();
if (key == null)
return;
// we still have one case to fix with duplicate selectors :|
if (!methods.ContainsKey (key))
methods.Add (key, method);
}
public override void VisitObjCMethodDecl (ObjCMethodDecl decl, VisitKind visitKind)
{
if (visitKind != VisitKind.Enter)
return;
// don't process methods (or types) that are unavailable for the current platform
if (!decl.IsAvailable () || !(decl.DeclContext as Decl).IsAvailable ())
return;
var method = GetMethod (decl);
// don't report missing [DesignatedInitializer] for types that are not bound - that's a different problem
if (method == null)
return;
var designated_initializer = method.IsDesignatedInitializer ();
if (!method.IsConstructor) {
if (designated_initializer)
Console.WriteLine ("!incorrect-designated-initializer! {0} is not a constructor", method.GetName ());
} else if (decl.IsDesignatedInitializer) {
if (!designated_initializer)
Console.WriteLine ("!missing-designated-initializer! {0} is missing an [DesignatedInitializer] attribute", method.GetName ());
} else {
if (designated_initializer)
Console.WriteLine ("!extra-designated-initializer! {0} is incorrectly decorated with an [DesignatedInitializer] attribute", method.GetName ());
}
}
}
}