106 строки
2.6 KiB
C#
106 строки
2.6 KiB
C#
//
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// The rule reports
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//
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// !duplicate-field-name!
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// if we have duplicated [Field] / code to export the same field more than once
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//
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// !missing-field!
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// if headers defines fields that we have not bound as [Field]
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// NOTE: we still have amnually bound fields :(
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//
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// !unknown-field!
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// if we have [Field] that were not found in headers
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// NOTE: introspection tests checks if those exists at runtime, i.e. they might
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// just be undocumented (or not in the headers)
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//
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using System;
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using System.Collections.Generic;
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using Mono.Cecil;
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using Clang.Ast;
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namespace Extrospection {
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public class FieldCheck : BaseVisitor {
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Dictionary<string,MemberReference> fields = new Dictionary<string, MemberReference> ();
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public override void VisitManagedType (TypeDefinition type)
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{
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if (type.HasProperties) {
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foreach (var p in type.Properties) {
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if (!p.HasCustomAttributes)
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continue;
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var getter = p.GetMethod;
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// mostly static getters but not in the case of generated EventArgs.g.cs
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if (getter == null)
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continue;
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CheckAttributes (p.FullName, p);
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}
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}
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if (type.HasFields) {
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foreach (var f in type.Fields) {
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if (!f.HasCustomAttributes || !f.IsStatic)
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continue;
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CheckAttributes (f.FullName, f);
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}
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}
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}
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void CheckAttributes (string memberName, ICustomAttributeProvider p)
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{
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foreach (var ca in p.CustomAttributes) {
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if (ca.Constructor.DeclaringType.Name != "FieldAttribute")
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continue;
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var name = ca.ConstructorArguments [0].Value as string;
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MemberReference mr;
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if (!fields.TryGetValue (name, out mr))
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fields.Add (name, p as MemberReference);
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else {
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// not critical and quite noisy with current API profile
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// Console.WriteLine ("!duplicate-field-name! {0} [Field] exists as both {1} and {2}", name, memberName, mr.FullName);
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}
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}
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}
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public override void VisitVarDecl (VarDecl decl)
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{
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if (!decl.IsExternC)
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return;
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if (!decl.PresumedLoc.FileName.Contains (".framework"))
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return;
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if (!decl.IsAvailable ())
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return;
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var framework = GetDeclaringHeaderFile (decl);
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switch (framework) {
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case "ruby":
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return;
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}
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var name = decl.ToString ();
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MemberReference mr;
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if (!fields.TryGetValue (name, out mr)) {
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Console.WriteLine ("!missing-field! {0} not bound", name);
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return;
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} else
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fields.Remove (name);
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}
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public override void End ()
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{
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// at this stage anything else we have is not something we could find in Apple's headers
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foreach (var extra in fields.Keys) {
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Console.WriteLine ("!unknown-field! {0} bound", extra);
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}
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}
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}
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} |