Runtime90357 6012

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/MicrosoftNetCoreAnalyzersResources.resx

@@ -290,6 +290,9 @@
   <data name="ProvideCorrectArgumentsToFormattingMethodsMessage" xml:space="preserve">
     <value>Provide correct arguments to formatting methods</value>
   </data>
+  <data name="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage" xml:space="preserve">
+    <value>The format argument is not a valid format string</value>
+  </data>
   <data name="TestForNaNCorrectlyTitle" xml:space="preserve">
     <value>Test for NaN correctly</value>
   </data>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/Runtime/ProvideCorrectArgumentsToFormattingMethods.cs

@@ -5,6 +5,7 @@
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 using Analyzer.Utilities;
 using Analyzer.Utilities.Extensions;
 using Microsoft.CodeAnalysis;
@@ -23,7 +24,7 @@ public class ProvideCorrectArgumentsToFormattingMethodsAnalyzer : DiagnosticAnal
     {
         internal const string RuleId = "CA2241";
 
-        internal static readonly DiagnosticDescriptor Rule = DiagnosticDescriptorHelper.Create(
+        internal static readonly DiagnosticDescriptor ArgumentCountRule = DiagnosticDescriptorHelper.Create(
             RuleId,
             CreateLocalizableResourceString(nameof(ProvideCorrectArgumentsToFormattingMethodsTitle)),
             CreateLocalizableResourceString(nameof(ProvideCorrectArgumentsToFormattingMethodsMessage)),
@@ -33,7 +34,18 @@ public class ProvideCorrectArgumentsToFormattingMethodsAnalyzer : DiagnosticAnal
             isPortedFxCopRule: true,
             isDataflowRule: false);
 
-        public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } = ImmutableArray.Create(Rule);
+        internal static readonly DiagnosticDescriptor InvalidFormatRule = DiagnosticDescriptorHelper.Create(
+            RuleId,
+            CreateLocalizableResourceString(nameof(ProvideCorrectArgumentsToFormattingMethodsTitle)),
+            CreateLocalizableResourceString(nameof(ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage)),
+            DiagnosticCategory.Usage,
+            RuleLevel.BuildWarningCandidate,
+            description: CreateLocalizableResourceString(nameof(ProvideCorrectArgumentsToFormattingMethodsDescription)),
+            isPortedFxCopRule: false,
+            isDataflowRule: false);
+
+        public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } =
+            ImmutableArray.Create(ArgumentCountRule, InvalidFormatRule);
 
         public override void Initialize(AnalysisContext context)
         {
@@ -65,6 +77,13 @@ public override void Initialize(AnalysisContext context)
 
                     int expectedStringFormatArgumentCount = GetFormattingArguments(stringFormat);
 
+                    if (expectedStringFormatArgumentCount < 0)
+                    {
+                        // Malformed format specification
+                        operationContext.ReportDiagnostic(operationContext.Operation.Syntax.CreateDiagnostic(InvalidFormatRule));
+                        return;
+                    }
+
                     // explicit parameter case
                     if (info.ExpectedStringFormatArgumentCount >= 0)
                     {
@@ -77,11 +96,16 @@ public override void Initialize(AnalysisContext context)
 
                         if (info.ExpectedStringFormatArgumentCount != expectedStringFormatArgumentCount)
                         {
-                            operationContext.ReportDiagnostic(operationContext.Operation.Syntax.CreateDiagnostic(Rule));
+                            operationContext.ReportDiagnostic(operationContext.Operation.Syntax.CreateDiagnostic(ArgumentCountRule));
                         }
 
                         return;
                     }
+                    else if (info.ExpectedStringFormatArgumentCount == -2)
+                    {
+                        // Not a formatting method, we only checked the format specification.
+                        return;
+                    }
 
                     // ensure argument is an array
                     IArgumentOperation paramsArgument = invocation.Arguments[info.FormatStringIndex + 1];
@@ -111,7 +135,7 @@ public override void Initialize(AnalysisContext context)
                     int actualArgumentCount = initializer.ElementValues.Length;
                     if (actualArgumentCount != expectedStringFormatArgumentCount)
                     {
-                        operationContext.ReportDiagnostic(operationContext.Operation.Syntax.CreateDiagnostic(Rule));
+                        operationContext.ReportDiagnostic(operationContext.Operation.Syntax.CreateDiagnostic(ArgumentCountRule));
                     }
                 }, OperationKind.Invocation);
             });
@@ -308,7 +332,7 @@ private static int GetFormattingArguments(string format)
 
             } // end of main loop
 
-            return uniqueNumbers.Count;
+            return uniqueNumbers.Count == 0 ? 0 : uniqueNumbers.Max() + 1;
         }
 
         private class StringFormatInfo
@@ -352,7 +376,7 @@ public StringFormatInfo(Compilation compilation)
                 }
 
                 // Check if this the underlying method is user configured string formatting method.
-                var additionalStringFormatMethodsOption = context.Options.GetAdditionalStringFormattingMethodsOption(Rule, context.Operation.Syntax.SyntaxTree, context.Compilation);
+                var additionalStringFormatMethodsOption = context.Options.GetAdditionalStringFormattingMethodsOption(ArgumentCountRule, context.Operation.Syntax.SyntaxTree, context.Compilation);
                 if (additionalStringFormatMethodsOption.Contains(method.OriginalDefinition) &&
                     TryGetFormatInfoByParameterName(method, out info))
                 {
@@ -362,7 +386,7 @@ public StringFormatInfo(Compilation compilation)
                 // Check if the user configured automatic determination of formatting methods.
                 // If so, check if the method called has a 'string format' parameter followed by an params array.
                 var determineAdditionalStringFormattingMethodsAutomatically = context.Options.GetBoolOptionValue(EditorConfigOptionNames.TryDetermineAdditionalStringFormattingMethodsAutomatically,
-                        Rule, context.Operation.Syntax.SyntaxTree, context.Compilation, defaultValue: false);
+                        ArgumentCountRule, context.Operation.Syntax.SyntaxTree, context.Compilation, defaultValue: false);
                 if (determineAdditionalStringFormattingMethodsAutomatically &&
                     TryGetFormatInfoByParameterName(method, out info) &&
                     info.ExpectedStringFormatArgumentCount == -1)
@@ -424,6 +448,13 @@ private bool TryGetFormatInfo(IMethodSymbol method, int formatIndex, [NotNullWhe
 
             private static int GetExpectedNumberOfArguments(ImmutableArray<IParameterSymbol> parameters, int formatIndex)
             {
+                if (formatIndex == parameters.Length - 1)
+                {
+                    // format specification is the last parameter (e.g. CompositeFormat.Parse)
+                    // this is therefore not a formatting method.
+                    return -2;
+                }
+
                 // check params
                 IParameterSymbol nextParameter = parameters[formatIndex + 1];
                 if (nextParameter.IsParams)

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.cs.xlf

@@ -2288,6 +2288,11 @@ Obecné přetypování (IL unbox.any) používané sekvencí vrácenou metodou E
         <target state="translated">Argument formátu, který se předává do System.String.Format, neobsahuje položku formátování, která odpovídá jednotlivým argumentům objektů, nebo naopak.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Poskytněte metodám formátování správné argumenty</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.de.xlf

@@ -2288,6 +2288,11 @@ Erweiterungen und benutzerdefinierte Konvertierungen werden bei generischen Type
         <target state="translated">Das an "System.String.Format" übergebene Formatargument enthält kein Formatelement, das den einzelnen Objektargumenten entspricht bzw. umgekehrt.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Geeignete Argumente für Formatierungsmethoden angeben</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.es.xlf

@@ -2288,6 +2288,11 @@ La ampliación y las conversiones definidas por el usuario no se admiten con tip
         <target state="translated">El argumento de cadena format pasado a System.String.Format no contiene un elemento de formato que corresponda a cada argumento de objeto o viceversa.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Proporcionar argumentos correctos para los métodos de formato</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.fr.xlf

@@ -2288,6 +2288,11 @@ Les conversions étendues et définies par l’utilisateur ne sont pas prises en
         <target state="translated">L'argument de mise en forme passé à System.String.Format ne contient aucun élément de mise en forme pour chaque argument d'objet correspondant, ou vice versa.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Indiquer le nombre correct d'arguments dans les méthodes de mise en forme</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.it.xlf

@@ -2288,6 +2288,11 @@ L'ampliamento e le conversioni definite dall'utente non sono supportate con tipi
         <target state="translated">L'argomento format passato a System.String.Format non contiene un elemento di formato corrispondente a ogni argomento dell'oggetto o viceversa.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Fornire gli argomenti corretti ai metodi di formattazione</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.ja.xlf

@@ -2288,6 +2288,11 @@ Enumerable.OfType<T> で使用されるジェネリック型チェック (
         <target state="translated">System.String.Format に渡される書式引数には、各オブジェクト引数に対応する書式項目が含まれていないか、各書式項目に対応するオブジェクト引数が含まれていません。</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">書式設定メソッドに正しい引数を指定します</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.ko.xlf

@@ -2288,6 +2288,11 @@ Enumerable.OfType<T>에서 사용하는 제네릭 형식 검사(C# 'is' 
         <target state="translated">System.String.Format으로 전달된 format 인수에 각 개체 인수에 해당하는 format 항목이 포함되지 않으며 그 반대의 경우도 마찬가지입니다.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">서식 지정 메서드에 올바른 인수를 제공하세요.</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.pl.xlf

@@ -2288,6 +2288,11 @@ Konwersje poszerzane i zdefiniowane przez użytkownika nie są obsługiwane w pr
         <target state="translated">Argument formatu przekazywany do metody System.String.Format nie zawiera elementu formatu odpowiadającego każdemu argumentowi obiektu lub odwrotnie.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Określ poprawne argumenty dla metod formatujących</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.pt-BR.xlf

@@ -2288,6 +2288,11 @@ Ampliação e conversões definidas pelo usuário não são compatíveis com tip
         <target state="translated">O argumento de formato passado para System.String.Format não contém um item de formato correspondente a cada argumento de objeto ou vice-versa.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Fornecer os argumentos corretos para métodos de formatação</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.ru.xlf

@@ -2288,6 +2288,11 @@ Widening and user defined conversions are not supported with generic types.</sou
         <target state="translated">Передаваемый в System.String.Format аргумент формата не содержит элемент формата, соответствующий каждому из аргументов объекта, или наоборот.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Задайте правильные аргументы для методов форматирования</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.tr.xlf

@@ -2288,6 +2288,11 @@ Genel türlerde genişletme ve kullanıcı tanımlı dönüştürmeler desteklen
         <target state="translated">System.String.Format’a geçirilen biçim bağımsız değişkeni, her nesne bağımsız değişkenine karşılık gelen bir biçim öğesi içermiyor ve tersi için de aynısı geçerli.</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">Biçimlendirme yöntemlerine doğru bağımsız değişkenleri sağlayın</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.zh-Hans.xlf

@@ -2288,6 +2288,11 @@ Enumerable.OfType<T> 使用的泛型类型检查 (C# 'is' operator/IL 'isi
         <target state="translated">传递到 System.String.Format 的 format 参数不包含与各对象参数相对应的格式项，反之亦然。</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">为格式化方法提供正确的参数</target>

src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/xlf/MicrosoftNetCoreAnalyzersResources.zh-Hant.xlf

@@ -2288,6 +2288,11 @@ Enumerable.OfType<T> 使用的一般型別檢查 (C# 'is' operator/IL 'isi
         <target state="translated">傳遞給 System.String.Format 的格式化引數，並未包含與每個物件引數相對應的格式項目，反之亦然。</target>
         <note />
       </trans-unit>
+      <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsInvalidFormatMessage">
+        <source>The format argument is not a valid format string</source>
+        <target state="new">The format argument is not a valid format string</target>
+        <note />
+      </trans-unit>
       <trans-unit id="ProvideCorrectArgumentsToFormattingMethodsMessage">
         <source>Provide correct arguments to formatting methods</source>
         <target state="translated">為格式化方法提供正確的引數</target>