Daniel Grunwald
13 years ago
54 changed files with 937 additions and 447 deletions
@ -0,0 +1,106 @@
@@ -0,0 +1,106 @@
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//
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// MissingStringComparisonIssue.cs
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//
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// Author:
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// Daniel Grunwald <daniel@danielgrunwald.de>
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//
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// Copyright (c) 2012 Daniel Grunwald
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//
|
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
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// of this software and associated documentation files (the "Software"), to deal
|
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// in the Software without restriction, including without limitation the rights
|
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
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//
|
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// The above copyright notice and this permission notice shall be included in
|
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// all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using ICSharpCode.NRefactory.Semantics; |
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using ICSharpCode.NRefactory.TypeSystem; |
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using ICSharpCode.NRefactory.TypeSystem.Implementation; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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[IssueDescription("Missing StringComparison argument", |
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Description = "Warns when a culture-aware comparison is used by default.", |
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Category = IssueCategories.CodeQualityIssues, |
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Severity = Severity.Warning)] |
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public class MissingStringComparisonIssue : ICodeIssueProvider |
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{ |
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public IEnumerable<CodeIssue> GetIssues(BaseRefactoringContext context) |
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{ |
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return new GatherVisitor(context).GetIssues(); |
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} |
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class GatherVisitor : GatherVisitorBase |
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{ |
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public GatherVisitor(BaseRefactoringContext ctx) : base(ctx) |
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{ |
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} |
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public override void VisitInvocationExpression(InvocationExpression invocationExpression) |
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{ |
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base.VisitInvocationExpression(invocationExpression); |
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MemberReferenceExpression mre = invocationExpression.Target as MemberReferenceExpression; |
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if (mre == null) |
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return; |
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switch (mre.MemberName) { |
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case "StartsWith": |
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case "EndsWith": |
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if (invocationExpression.Arguments.Count != 1) |
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return; |
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break; |
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case "IndexOf": |
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case "LastIndexOf": |
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break; |
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default: |
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return; |
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} |
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var rr = ctx.Resolve(invocationExpression) as InvocationResolveResult; |
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if (rr == null || rr.IsError) { |
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// Not an invocation resolve result - e.g. could be a UnknownMemberResolveResult instead
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return; |
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} |
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if (!(rr.Member.DeclaringTypeDefinition != null && rr.Member.DeclaringTypeDefinition.KnownTypeCode == KnownTypeCode.String)) { |
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// Not a string operation
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return; |
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} |
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IParameter firstParameter = rr.Member.Parameters.FirstOrDefault(); |
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if (firstParameter == null || !firstParameter.Type.IsKnownType(KnownTypeCode.String)) |
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return; // First parameter not a string
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IParameter lastParameter = rr.Member.Parameters.Last(); |
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if (lastParameter.Type.Name == "StringComparison") |
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return; // already specifying a string comparison
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AddIssue(invocationExpression.LParToken.StartLocation, invocationExpression.RParToken.EndLocation, |
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mre.MemberName + "() call is missing StringComparison argument", |
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new [] { |
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new CodeAction("Use ordinal comparison", script => AddArgument(script, invocationExpression, "Ordinal")), |
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new CodeAction("Use culture-aware comparison", script => AddArgument(script, invocationExpression, "CurrentCulture")), |
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}); |
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} |
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void AddArgument(Script script, InvocationExpression invocationExpression, string stringComparison) |
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{ |
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var astBuilder = ctx.CreateTypeSytemAstBuilder(invocationExpression); |
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var newArgument = astBuilder.ConvertType(new TopLevelTypeName("System", "StringComparison")).Member(stringComparison); |
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var copy = (InvocationExpression)invocationExpression.Clone(); |
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copy.Arguments.Add(newArgument); |
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script.Replace(invocationExpression, copy); |
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} |
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} |
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} |
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} |
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@ -0,0 +1,58 @@
@@ -0,0 +1,58 @@
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
|
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// software and associated documentation files (the "Software"), to deal in the Software
|
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// without restriction, including without limitation the rights to use, copy, modify, merge,
|
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
|
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// to whom the Software is furnished to do so, subject to the following conditions:
|
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//
|
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// The above copyright notice and this permission notice shall be included in all copies or
|
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// substantial portions of the Software.
|
||||
//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
|
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
|
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System; |
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using System.Collections.Generic; |
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using ICSharpCode.NRefactory.Semantics; |
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using ICSharpCode.NRefactory.TypeSystem; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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[IssueDescription("Result of async call is ignored", |
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Description = "Warns when the task returned by an async call is ignored, which causes exceptions" + |
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" thrown by the call to be silently ignored.", |
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Category = IssueCategories.CodeQualityIssues, |
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Severity = Severity.Warning)] |
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public class ResultOfAsyncCallShouldNotBeIgnoredIssue : ICodeIssueProvider |
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{ |
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public IEnumerable<CodeIssue> GetIssues(BaseRefactoringContext context) |
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{ |
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return new GatherVisitor(context).GetIssues(); |
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} |
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sealed class GatherVisitor : GatherVisitorBase |
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{ |
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public GatherVisitor(BaseRefactoringContext ctx) |
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: base(ctx) |
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{ |
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} |
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public override void VisitExpressionStatement(ExpressionStatement expressionStatement) |
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{ |
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base.VisitExpressionStatement(expressionStatement); |
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var invocation = expressionStatement.Expression as InvocationExpression; |
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if (invocation == null) |
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return; |
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var rr = ctx.Resolve(invocation) as InvocationResolveResult; |
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if (rr != null && (rr.Type.IsKnownType(KnownTypeCode.Task) || rr.Type.IsKnownType(KnownTypeCode.TaskOfT))) { |
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AddIssue(invocation, "Exceptions in async call will be silently ignored because the returned task is unused"); |
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} |
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} |
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} |
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} |
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} |
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@ -1,69 +0,0 @@
@@ -1,69 +0,0 @@
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//
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// LocalVariableOnlyAssignedIssue.cs
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//
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// Author:
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// Mansheng Yang <lightyang0@gmail.com>
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//
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// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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// THE SOFTWARE.
|
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|
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using ICSharpCode.NRefactory.Semantics; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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[IssueDescription ("Local variable is only assigned", |
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Description = "Local variable is assigned by its value is never used", |
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Category = IssueCategories.CodeQualityIssues, |
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Severity = Severity.Warning, |
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IssueMarker = IssueMarker.Underline)] |
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public class LocalVariableOnlyAssignedIssue : VariableOnlyAssignedIssue |
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{ |
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internal override GatherVisitorBase GetGatherVisitor (BaseRefactoringContext ctx) |
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{ |
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return new GatherVisitor (ctx); |
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} |
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class GatherVisitor : GatherVisitorBase |
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{ |
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public GatherVisitor (BaseRefactoringContext ctx) |
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: base (ctx) |
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{ |
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} |
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public override void VisitVariableInitializer (VariableInitializer variableInitializer) |
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{ |
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base.VisitVariableInitializer (variableInitializer); |
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var decl = variableInitializer.Parent as VariableDeclarationStatement; |
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if (decl == null) |
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return; |
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var resolveResult = ctx.Resolve (variableInitializer) as LocalResolveResult; |
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if (resolveResult == null) |
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return; |
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if (!TestOnlyAssigned (ctx, decl.Parent, resolveResult.Variable)) |
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return; |
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AddIssue (variableInitializer.NameToken, |
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ctx.TranslateString ("Local variable is assigned by its value is never used")); |
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} |
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} |
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} |
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} |
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@ -1,128 +0,0 @@
@@ -1,128 +0,0 @@
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//
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// TypeCompatibilityHelper.cs
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//
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// Author:
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// Mansheng Yang <lightyang0@gmail.com>
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//
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// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.com>
|
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//
|
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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// THE SOFTWARE.
|
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|
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using System.Collections.Generic; |
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using System.Linq; |
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using ICSharpCode.NRefactory.TypeSystem; |
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namespace ICSharpCode.NRefactory.CSharp.Refactoring |
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{ |
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class TypeCompatibilityHelper |
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{ |
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public enum TypeCompatiblity |
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{ |
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MayOfProvidedType, |
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AlwaysOfProvidedType, |
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NeverOfProvidedType |
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} |
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static bool CheckTypeParameterConstraints (IType type, IEnumerable<IType> baseTypes, |
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ITypeParameter typeParameter) |
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{ |
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if (!typeParameter.DirectBaseTypes.All (t => baseTypes.Any (t2 => t2.Equals (t)))) |
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return false; |
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if (typeParameter.HasDefaultConstructorConstraint && |
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!type.GetConstructors (c => c.IsPublic && c.Parameters.Count == 0).Any ()) |
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return false; |
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return true; |
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} |
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public static TypeCompatiblity CheckTypeCompatibility(IType exprType, IType providedType) |
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{ |
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var exprBaseTypes = exprType.GetAllBaseTypes ().ToArray (); |
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// providedType is a base type of exprType
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if (exprBaseTypes.Any (t => t.Equals (providedType))) |
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return TypeCompatiblity.AlwaysOfProvidedType; |
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if ((exprType.IsReferenceType == true && providedType.IsReferenceType == false) || |
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(exprType.IsReferenceType == false && providedType.IsReferenceType == true)) |
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return TypeCompatiblity.NeverOfProvidedType; |
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var typeParameter = exprType as ITypeParameter; |
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var providedTypeParameter = providedType as ITypeParameter; |
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if (typeParameter != null) { |
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// check if providedType can be a derived type
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var providedBaseTypes = providedType.GetAllBaseTypes ().ToArray (); |
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var providedTypeDef = providedType.GetDefinition (); |
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// if providedType is sealed, check if it fullfills all the type parameter constraints,
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// otherwise, only check if it is derived from EffectiveBaseClass
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if (providedTypeParameter == null && (providedTypeDef == null || providedTypeDef.IsSealed)) { |
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if (CheckTypeParameterConstraints (providedType, providedBaseTypes, typeParameter)) |
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return TypeCompatiblity.MayOfProvidedType; |
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} else if (providedBaseTypes.Any (t => t.Equals (typeParameter.EffectiveBaseClass))) { |
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return TypeCompatiblity.MayOfProvidedType; |
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} |
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// if providedType is also a type parameter, check if base classes are compatible
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if (providedTypeParameter != null && |
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exprBaseTypes.Any (t => t.Equals (providedTypeParameter.EffectiveBaseClass))) |
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return TypeCompatiblity.MayOfProvidedType; |
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return TypeCompatiblity.NeverOfProvidedType; |
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} |
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// check if exprType fullfills all the type parameter constraints
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if (providedTypeParameter != null && |
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CheckTypeParameterConstraints (exprType, exprBaseTypes, providedTypeParameter)) |
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return TypeCompatiblity.MayOfProvidedType; |
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|
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switch (exprType.Kind) { |
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case TypeKind.Class: |
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var exprTypeDef = exprType.GetDefinition (); |
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if (exprTypeDef == null) |
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return TypeCompatiblity.MayOfProvidedType; |
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// exprType is sealed, but providedType is not a base type of it or it does not
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// fullfill all the type parameter constraints
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if (exprTypeDef.IsSealed) |
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break; |
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// check if providedType can be a derived type
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if (providedType.Kind == TypeKind.Interface || |
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providedType.GetAllBaseTypes ().Any (t => t.Equals (exprType))) |
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return TypeCompatiblity.MayOfProvidedType; |
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|
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if (providedTypeParameter != null && |
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exprBaseTypes.Any (t => t.Equals (providedTypeParameter.EffectiveBaseClass))) |
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return TypeCompatiblity.MayOfProvidedType; |
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break; |
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case TypeKind.Struct: |
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case TypeKind.Delegate: |
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case TypeKind.Enum: |
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case TypeKind.Array: |
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case TypeKind.Anonymous: |
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case TypeKind.Null: |
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break; |
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default: |
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return TypeCompatiblity.MayOfProvidedType; |
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} |
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return TypeCompatiblity.NeverOfProvidedType; |
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} |
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} |
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} |
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@ -1,97 +0,0 @@
@@ -1,97 +0,0 @@
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//
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// LocalVariableOnlyAssignedIssueTests.cs
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//
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// Author:
|
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// Mansheng Yang <lightyang0@gmail.com>
|
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//
|
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// Copyright (c) 2012 Mansheng Yang <lightyang0@gmail.com>
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
|
||||
using ICSharpCode.NRefactory.CSharp.Refactoring; |
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using NUnit.Framework; |
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|
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namespace ICSharpCode.NRefactory.CSharp.CodeIssues |
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{ |
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[TestFixture] |
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public class LocalVariableOnlyAssignedIssueTests : InspectionActionTestBase |
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{ |
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[Test] |
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public void TestUnusedValue () |
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{ |
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var input1 = @"
|
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class TestClass |
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{ |
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void TestMethod() |
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{ |
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int i = 1; |
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i++; |
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} |
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}";
|
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Test<LocalVariableOnlyAssignedIssue> (input1, 1); |
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|
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var input2 = @"
|
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class TestClass |
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{ |
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void TestMethod() |
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{ |
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int i; |
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i = 1; |
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} |
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}";
|
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Test<LocalVariableOnlyAssignedIssue> (input2, 1); |
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} |
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|
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[Test] |
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public void TestUsedValue () |
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{ |
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var input = @"
|
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class TestClass |
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{ |
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int TestMethod() |
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{ |
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int i; |
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i = 1; |
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int j = i + 1; |
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return j; |
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} |
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}";
|
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Test<LocalVariableOnlyAssignedIssue> (input, 0); |
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} |
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|
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[Test] |
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public void TestOutArgument () |
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{ |
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var input1 = @"
|
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class TestClass |
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{ |
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void Test (out int i) |
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{ |
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i = 1; |
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} |
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void TestMethod() |
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{ |
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int i = 1; |
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Test (out i); |
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} |
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}";
|
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Test<LocalVariableOnlyAssignedIssue> (input1, 1); |
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} |
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} |
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} |
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@ -0,0 +1,93 @@
@@ -0,0 +1,93 @@
|
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//
|
||||
// Author:
|
||||
// Daniel Grunwald <daniel@danielgrunwald.de>
|
||||
//
|
||||
// Copyright (c) 2012 Daniel Grunwald
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
// THE SOFTWARE.
|
||||
|
||||
using System; |
||||
using ICSharpCode.NRefactory.CSharp.Refactoring; |
||||
using NUnit.Framework; |
||||
|
||||
namespace ICSharpCode.NRefactory.CSharp.CodeIssues |
||||
{ |
||||
[TestFixture] |
||||
public class MissingStringComparisonIssueTests : InspectionActionTestBase |
||||
{ |
||||
const string stringIndexOfStringCalls = @"using System;
|
||||
using System.Collections.Generic; |
||||
class Test { |
||||
public void StringIndexOfStringCalls(List<string> list) |
||||
{ |
||||
list[0].IndexOf("".com""); |
||||
list[0].IndexOf("".com"", 0); |
||||
list[0].IndexOf("".com"", 0, 5); |
||||
list[0].IndexOf(list[1], 0, 10); |
||||
} |
||||
}";
|
||||
const string stringIndexOfStringCallsWithComparison = @"using System;
|
||||
using System.Collections.Generic; |
||||
class Test { |
||||
public void StringIndexOfStringCalls(List<string> list) |
||||
{ |
||||
list [0].IndexOf ("".com"", StringComparison.Ordinal); |
||||
list [0].IndexOf ("".com"", 0, StringComparison.Ordinal); |
||||
list [0].IndexOf ("".com"", 0, 5, StringComparison.Ordinal); |
||||
list [0].IndexOf (list [1], 0, 10, StringComparison.Ordinal); |
||||
} |
||||
}";
|
||||
|
||||
[Test] |
||||
public void IndexOfStringCalls() |
||||
{ |
||||
Test<MissingStringComparisonIssue>(stringIndexOfStringCalls, 4, stringIndexOfStringCallsWithComparison); |
||||
} |
||||
|
||||
[Test] |
||||
public void IndexOfStringCallsAlreadyWithComparison() |
||||
{ |
||||
Test<MissingStringComparisonIssue>(stringIndexOfStringCallsWithComparison, 0); |
||||
} |
||||
|
||||
[Test] |
||||
public void StringIndexOfChar() |
||||
{ |
||||
string program = @"using System;
|
||||
class Test { |
||||
void M(string text) { |
||||
text.IndexOf('.'); |
||||
} |
||||
}";
|
||||
Test<MissingStringComparisonIssue>(program, 0); |
||||
} |
||||
|
||||
[Test] |
||||
public void ListIndexOf() |
||||
{ |
||||
string program = @"using System.Collections.Generic;
|
||||
class Test { |
||||
void M(List<string> list) { |
||||
list.IndexOf("".com""); |
||||
} |
||||
}";
|
||||
Test<MissingStringComparisonIssue>(program, 0); |
||||
} |
||||
} |
||||
} |
||||
Loading…
Reference in new issue