private static void AnalyzeStringLiteralExpression(SyntaxNodeAnalysisContext context)
{
var literalExpression = (LiteralExpressionSyntax)context.Node;
if (literalExpression.Token.ValueText.Length > 0)
{
return;
}
if (CSharpUtility.IsPartOfExpressionThatMustBeConstant(literalExpression))
{
return;
}
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticDescriptors.ReportOnly.UseStringEmptyInsteadOfEmptyStringLiteral,
literalExpression);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out MemberDeclarationSyntax memberDeclaration))
{
return;
}
string name = CSharpUtility.GetIdentifier(memberDeclaration).ValueText;
string title = ExtractTypeDeclarationToNewDocumentRefactoring.GetTitle(name);
CodeAction codeAction = CodeAction.Create(
title,
cancellationToken => ExtractTypeDeclarationToNewDocumentRefactoring.RefactorAsync(context.Document, memberDeclaration, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.DeclareEachTypeInSeparateFile));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
private static void AnalyzeInterpolatedStringExpression(SyntaxNodeAnalysisContext context)
{
var interpolatedString = (InterpolatedStringExpressionSyntax)context.Node;
if (interpolatedString.Contents.Any())
{
return;
}
if (CSharpUtility.IsPartOfExpressionThatMustBeConstant(interpolatedString))
{
return;
}
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticDescriptors.ReportOnly.UseStringEmptyInsteadOfEmptyStringLiteral,
interpolatedString);
}
private SyntaxNode Rewrite(StatementsInfo statementsInfo, IfStatementSyntax ifStatement)
{
SyntaxList <StatementSyntax> statements = statementsInfo.Statements;
int index = statements.IndexOf(ifStatement);
ExpressionSyntax newCondition = CSharpUtility.LogicallyNegate(ifStatement.Condition, _semanticModel, _cancellationToken);
if (_recursive)
{
ifStatement = (IfStatementSyntax)VisitIfStatement(ifStatement);
}
var block = (BlockSyntax)ifStatement.Statement;
BlockSyntax newBlock = block.WithStatements(SingletonList(_jumpStatement));
if (!block
.Statements
.First()
.GetLeadingTrivia()
.Any(f => f.IsEndOfLineTrivia()))
{
newBlock = newBlock.WithCloseBraceToken(newBlock.CloseBraceToken.AppendToTrailingTrivia(NewLine()));
}
IfStatementSyntax newIfStatement = ifStatement
.WithCondition(newCondition)
.WithStatement(newBlock)
.WithFormatterAnnotation();
if (statements.Last().Kind().IsJumpStatementOrYieldBreakStatement() &&
block.Statements.Last().Kind().IsJumpStatementOrYieldBreakStatement())
{
statements = statements.RemoveAt(statements.Count - 1);
}
SyntaxList <StatementSyntax> newStatements = statements
.ReplaceAt(index, newIfStatement)
.InsertRange(index + 1, block.Statements.Select(f => f.WithFormatterAnnotation()));
return(statementsInfo.WithStatements(newStatements).Node);
}
public void CompileLambdaWithTraceTest()
{
dynamic value = null;
var function = CSharpUtility.CompileLambda <dynamic, dynamic>("(source) => Trace(source) * 2", null, (v, m) => {
value = v;
return(v);
});
Assert.AreEqual(4, function(2));
Assert.AreEqual(2, value);
function = CSharpUtility.CompileLambda <dynamic, dynamic>("(source) => Trace(source, \"Message\") * 2", null, (v, m) => {
value = m;
return(v);
});
function(2);
Assert.AreEqual("Message", value);
}
public static async Task <Document> RefactorAsync(
Document document,
IfStatementSyntax ifStatement,
CancellationToken cancellationToken = default(CancellationToken))
{
StatementSyntax trueStatement = ifStatement.Statement;
StatementSyntax falseStatement = ifStatement.Else.Statement;
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
IfStatementSyntax newIfStatement = ifStatement
.WithCondition(CSharpUtility.LogicallyNegate(ifStatement.Condition, semanticModel, cancellationToken))
.WithStatement(falseStatement.WithTriviaFrom(trueStatement))
.WithElse(ifStatement.Else.WithStatement(trueStatement.WithTriviaFrom(falseStatement)))
.WithFormatterAnnotation();
return(await document.ReplaceNodeAsync(ifStatement, newIfStatement, cancellationToken).ConfigureAwait(false));
}
public static async Task <Document> RefactorAsync(
Document document,
InvocationExpressionSyntax invocationExpression,
string memberName,
ExpressionSyntax expression,
CancellationToken cancellationToken = default(CancellationToken))
{
var memberAccessExpression = (MemberAccessExpressionSyntax)invocationExpression.Expression;
MemberAccessExpressionSyntax newMemberAccessExpression = memberAccessExpression
.WithName(SyntaxFactory.IdentifierName(memberName).WithTriviaFrom(memberAccessExpression.Name));
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
InvocationExpressionSyntax newNode = invocationExpression
.ReplaceNode(expression, CSharpUtility.LogicallyNegate(expression, semanticModel, cancellationToken))
.WithExpression(newMemberAccessExpression);
return(await document.ReplaceNodeAsync(invocationExpression, newNode, cancellationToken).ConfigureAwait(false));
}
private static void AnalyzeInterpolatedStringExpression(SyntaxNodeAnalysisContext context)
{
var interpolatedString = (InterpolatedStringExpressionSyntax)context.Node;
if (interpolatedString.Contents.Any())
{
return;
}
if (CSharpUtility.IsPartOfExpressionThatMustBeConstant(interpolatedString))
{
return;
}
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.UseEmptyStringLiteralOrStringEmpty,
interpolatedString,
"'string.Empty'");
}
private static void AnalyzeStringLiteralExpression(SyntaxNodeAnalysisContext context)
{
var literalExpression = (LiteralExpressionSyntax)context.Node;
if (literalExpression.Token.ValueText.Length > 0)
{
return;
}
if (CSharpUtility.IsPartOfExpressionThatMustBeConstant(literalExpression))
{
return;
}
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.UseEmptyStringLiteralOrStringEmpty,
literalExpression,
"'string.Empty'");
}
private static Type FindTypeByName(string classname)
{
Type type = null;
if (namespaces != null)
{
foreach (var name in namespaces)
{
type = CSharpUtility.FindType(string.Concat(name, classname), false);
if (type != null)
{
return(type);//////end
}
}
}
return(null);//////end
}
public override async Task <Document> RefactorAsync(Document document, CancellationToken cancellationToken = default(CancellationToken))
{
ExpressionSyntax expression = Expression;
if (Negate)
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
expression = CSharpUtility.LogicallyNegate(expression, semanticModel, cancellationToken);
}
StatementSyntax statement = CreateStatement(expression);
if (IfStatement.IsSimpleIf())
{
StatementsInfo statementsInfo = SyntaxInfo.StatementsInfo(IfStatement);
SyntaxList <StatementSyntax> statements = statementsInfo.Statements;
int index = statements.IndexOf(IfStatement);
StatementSyntax newNode = statement
.WithLeadingTrivia(IfStatement.GetLeadingTrivia())
.WithTrailingTrivia(statements[index + 1].GetTrailingTrivia())
.WithFormatterAnnotation();
SyntaxList <StatementSyntax> newStatements = statements
.RemoveAt(index)
.ReplaceAt(index, newNode);
return(await document.ReplaceStatementsAsync(statementsInfo, newStatements, cancellationToken).ConfigureAwait(false));
}
else
{
StatementSyntax newNode = statement
.WithTriviaFrom(IfStatement)
.WithFormatterAnnotation();
return(await document.ReplaceNodeAsync(IfStatement, newNode, cancellationToken).ConfigureAwait(false));
}
}
private static bool IsArgumentExpressionOfNameOfExpression(SyntaxNodeAnalysisContext context, SyntaxNode node)
{
SyntaxNode parent = node.Parent;
if (parent?.IsKind(SyntaxKind.Argument) != true)
{
return(false);
}
parent = parent.Parent;
if (parent?.IsKind(SyntaxKind.ArgumentList) != true)
{
return(false);
}
parent = parent.Parent;
return(parent != null &&
CSharpUtility.IsNameOfExpression(parent, context.SemanticModel, context.CancellationToken));
}
public static bool CanRefactor(MemberInvocationExpression memberInvocation, SemanticModel semanticModel, CancellationToken cancellationToken)
{
if (memberInvocation.Expression?.IsMissing != false)
{
return(false);
}
if (!semanticModel.TryGetExtensionMethodInfo(memberInvocation.InvocationExpression, out MethodInfo methodInfo, ExtensionMethodKind.Reduced, cancellationToken))
{
return(false);
}
if (!methodInfo.IsLinqExtensionOfIEnumerableOfTWithoutParameters("First", allowImmutableArrayExtension: true))
{
return(false);
}
ITypeSymbol typeSymbol = semanticModel.GetTypeSymbol(memberInvocation.Expression, cancellationToken);
return(CSharpUtility.HasAccessibleIndexer(typeSymbol, semanticModel, memberInvocation.InvocationExpression.SpanStart));
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, IdentifierNameSyntax identifierName)
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
INamespaceSymbol namespaceSymbol = null;
SyntaxNode node = identifierName;
SyntaxNode prevNode = null;
while (node.IsParentKind(
SyntaxKind.QualifiedName,
SyntaxKind.AliasQualifiedName,
SyntaxKind.SimpleMemberAccessExpression))
{
ISymbol symbol = semanticModel.GetSymbol(node, context.CancellationToken);
if (symbol?.Kind == SymbolKind.Namespace)
{
namespaceSymbol = (INamespaceSymbol)symbol;
prevNode = node;
node = node.Parent;
}
else
{
break;
}
}
node = prevNode;
if (node.IsParentKind(SyntaxKind.QualifiedName, SyntaxKind.AliasQualifiedName, SyntaxKind.SimpleMemberAccessExpression) &&
!node.Ancestors(ascendOutOfTrivia: true).Any(f => f.IsKind(SyntaxKind.UsingDirective, SyntaxKind.FileScopedNamespaceDeclaration)) &&
!CSharpUtility.IsNamespaceInScope(node, namespaceSymbol, semanticModel, context.CancellationToken))
{
context.RegisterRefactoring(
$"using {namespaceSymbol};",
ct => RefactorAsync(context.Document, node, namespaceSymbol, ct),
RefactoringDescriptors.AddUsingDirective);
}
}
public static async Task <Document> RefactorAsync(
Document document,
IfStatementSyntax ifStatement,
CancellationToken cancellationToken)
{
ExpressionSyntax condition = ifStatement.Condition;
AssignmentExpressionSyntax assignment = GetSimpleAssignmentExpression(ifStatement.GetSingleStatementOrDefault());
if (assignment.Right.IsKind(SyntaxKind.FalseLiteralExpression))
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
condition = CSharpUtility.LogicallyNegate(condition, semanticModel, cancellationToken);
}
ExpressionStatementSyntax newNode = SimpleAssignmentStatement(assignment.Left, condition)
.WithTriviaFrom(ifStatement)
.WithFormatterAnnotation();
return(await document.ReplaceNodeAsync(ifStatement, newNode, cancellationToken).ConfigureAwait(false));
}
private static bool IsFixable(
ExpressionSyntax left,
BinaryExpressionSyntax right,
SemanticModel semanticModel,
CancellationToken cancellationToken = default)
{
NullCheckExpressionInfo nullCheck = SyntaxInfo.NullCheckExpressionInfo(left);
if (!nullCheck.Success)
{
return(false);
}
ExpressionSyntax expression = nullCheck.Expression;
if (CSharpFactory.AreEquivalent(expression, right.Left))
{
return(right.IsKind(SyntaxKind.EqualsExpression, SyntaxKind.NotEqualsExpression) &&
SymbolEquals(expression, right.Left, semanticModel, cancellationToken) &&
CSharpUtility.IsEmptyStringExpression(right.Right, semanticModel, cancellationToken));
}
if (right.Left.IsKind(SyntaxKind.SimpleMemberAccessExpression))
{
var memberAccess = (MemberAccessExpressionSyntax)right.Left;
return(string.Equals(memberAccess.Name.Identifier.ValueText, "Length", StringComparison.Ordinal) &&
right.Right.IsNumericLiteralExpression("0") &&
semanticModel.GetSymbol(memberAccess, cancellationToken) is IPropertySymbol propertySymbol &&
!propertySymbol.IsIndexer &&
SymbolUtility.IsPublicInstance(propertySymbol, "Length") &&
propertySymbol.Type.SpecialType == SpecialType.System_Int32 &&
propertySymbol.ContainingType?.SpecialType == SpecialType.System_String &&
CSharpFactory.AreEquivalent(expression, memberAccess.Expression) &&
SymbolEquals(expression, memberAccess.Expression, semanticModel, cancellationToken));
}
return(false);
}
public static async Task ComputeRefactoringAsync(RefactoringContext context, ExpressionSyntax expression)
{
if (expression is LiteralExpressionSyntax)
{
return;
}
if (CSharpUtility.IsStringLiteralConcatenation(expression as BinaryExpressionSyntax))
{
return;
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
Optional <object> optional = semanticModel.GetConstantValue(expression, context.CancellationToken);
if (!optional.HasValue)
{
return;
}
SyntaxNode oldNode = expression;
if (oldNode.IsParentKind(SyntaxKind.SimpleMemberAccessExpression))
{
var memberAccessExpression = (MemberAccessExpressionSyntax)oldNode.Parent;
if (memberAccessExpression.Name == expression)
{
oldNode = memberAccessExpression;
}
}
ExpressionSyntax newNode = LiteralExpression(optional.Value);
context.RegisterRefactoring(
$"Replace expression with '{newNode}'",
cancellationToken => context.Document.ReplaceNodeAsync(oldNode, newNode.WithTriviaFrom(expression).Parenthesize(), cancellationToken));
}
private static Location GetLocation(SyntaxNode node)
{
SyntaxKind kind = node.Kind();
if (kind == SyntaxKind.OperatorDeclaration)
{
return(((OperatorDeclarationSyntax)node).OperatorToken.GetLocation());
}
if (kind == SyntaxKind.ConversionOperatorDeclaration)
{
return(((ConversionOperatorDeclarationSyntax)node).Type?.GetLocation());
}
SyntaxToken token = CSharpUtility.GetIdentifier(node);
if (!token.IsKind(SyntaxKind.None))
{
return(token.GetLocation());
}
return(null);
}
private static void AnalyzeEqualsExpression(SyntaxNodeAnalysisContext context)
{
var equalsExpression = (BinaryExpressionSyntax)context.Node;
if (equalsExpression.ContainsDirectives)
{
return;
}
BinaryExpressionInfo equalsExpressionInfo = SyntaxInfo.BinaryExpressionInfo(equalsExpression);
if (!equalsExpressionInfo.Success)
{
return;
}
ExpressionSyntax left = equalsExpressionInfo.Left;
ExpressionSyntax right = equalsExpressionInfo.Right;
SemanticModel semanticModel = context.SemanticModel;
CancellationToken cancellationToken = context.CancellationToken;
if (CSharpUtility.IsEmptyStringExpression(left, semanticModel, cancellationToken))
{
if (CSharpUtility.IsStringExpression(right, semanticModel, cancellationToken) &&
!equalsExpression.IsInExpressionTree(semanticModel, cancellationToken))
{
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticRules.UseStringLengthInsteadOfComparisonWithEmptyString, equalsExpression);
}
}
else if (CSharpUtility.IsEmptyStringExpression(right, semanticModel, cancellationToken) &&
CSharpUtility.IsStringExpression(left, semanticModel, cancellationToken) &&
!equalsExpression.IsInExpressionTree(semanticModel, cancellationToken))
{
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticRules.UseStringLengthInsteadOfComparisonWithEmptyString, equalsExpression);
}
}
public static void Analyze(SyntaxNodeAnalysisContext context, SimpleMemberInvocationExpressionInfo invocationInfo)
{
InvocationExpressionSyntax invocationExpression = invocationInfo.InvocationExpression;
if (invocationExpression.IsParentKind(SyntaxKind.SimpleMemberAccessExpression))
{
return;
}
SemanticModel semanticModel = context.SemanticModel;
CancellationToken cancellationToken = context.CancellationToken;
IMethodSymbol methodSymbol = semanticModel.GetReducedExtensionMethodInfo(invocationExpression, cancellationToken).Symbol;
if (methodSymbol == null)
{
return;
}
if (!SymbolUtility.IsLinqExtensionOfIEnumerableOfTWithoutParameters(methodSymbol, "Any", semanticModel))
{
return;
}
string propertyName = CSharpUtility.GetCountOrLengthPropertyName(invocationInfo.Expression, semanticModel, cancellationToken);
if (propertyName == null)
{
return;
}
context.ReportDiagnostic(
DiagnosticDescriptors.UseCountOrLengthPropertyInsteadOfAnyMethod,
Location.Create(context.Node.SyntaxTree, TextSpan.FromBounds(invocationInfo.Name.SpanStart, invocationExpression.Span.End)),
ImmutableDictionary.CreateRange(new KeyValuePair <string, string>[] { new KeyValuePair <string, string>("PropertyName", propertyName) }),
propertyName);
}
private static void AnalyzeNamedType(SymbolAnalysisContext context)
{
ISymbol symbol = context.Symbol;
if (symbol.ContainingNamespace?.IsGlobalNamespace != true)
{
return;
}
if (symbol.ContainingType != null)
{
return;
}
SyntaxNode node = symbol
.DeclaringSyntaxReferences
.SingleOrDefault(shouldThrow: false)?
.GetSyntax(context.CancellationToken);
if (node == null)
{
return;
}
SyntaxToken identifier = CSharpUtility.GetIdentifier(node);
if (identifier == default)
{
return;
}
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.DeclareTypeInsideNamespace,
identifier,
identifier.ValueText);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
if (!Settings.IsCodeFixEnabled(CodeFixIdentifiers.SynchronizeAccessibility))
{
return;
}
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out MemberDeclarationSyntax memberDeclaration))
{
return;
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
var symbol = (INamedTypeSymbol)semanticModel.GetDeclaredSymbol(memberDeclaration, context.CancellationToken);
ImmutableArray <MemberDeclarationSyntax> memberDeclarations = ImmutableArray.CreateRange(
symbol.DeclaringSyntaxReferences,
f => (MemberDeclarationSyntax)f.GetSyntax(context.CancellationToken));
foreach (Accessibility accessibility in memberDeclarations
.Select(f => f.GetModifiers().GetAccessibility())
.Where(f => f != Accessibility.NotApplicable))
{
if (CSharpUtility.IsAllowedAccessibility(memberDeclaration, accessibility))
{
CodeAction codeAction = CodeAction.Create(
$"Change accessibility to '{accessibility.GetName()}'",
cancellationToken => ChangeAccessibilityRefactoring.RefactorAsync(context.Solution(), memberDeclarations, accessibility, cancellationToken),
GetEquivalenceKey(CompilerDiagnosticIdentifiers.PartialDeclarationsHaveConfictingAccessibilityModifiers, accessibility.ToString()));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
}
}
private static void ReportDiagnostic(SymbolAnalysisContext context, ISymbol member)
{
SyntaxNode node = member.GetSyntaxOrDefault(context.CancellationToken);
Debug.Assert(node != null, member.ToString());
if (node == null)
{
return;
}
SyntaxToken identifier = CSharpUtility.GetIdentifier(node);
Debug.Assert(!identifier.IsKind(SyntaxKind.None), node.ToString());
if (identifier.Kind() == SyntaxKind.None)
{
return;
}
DiagnosticHelpers.ReportDiagnostic(context,
DiagnosticDescriptors.StaticMemberInGenericTypeShouldUseTypeParameter,
identifier);
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, IdentifierNameSyntax identifierName)
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
INamespaceSymbol namespaceSymbol = null;
SyntaxNode node = identifierName;
SyntaxNode prevNode = null;
while (node?.IsParentKind(SyntaxKind.QualifiedName, SyntaxKind.AliasQualifiedName, SyntaxKind.SimpleMemberAccessExpression) == true)
{
ISymbol symbol = semanticModel.GetSymbol(node, context.CancellationToken);
if (symbol?.IsNamespace() == true)
{
namespaceSymbol = (INamespaceSymbol)symbol;
prevNode = node;
node = node.Parent;
}
else
{
break;
}
}
node = prevNode;
if (node?.IsParentKind(SyntaxKind.QualifiedName, SyntaxKind.AliasQualifiedName, SyntaxKind.SimpleMemberAccessExpression) == true &&
!node.IsDescendantOf(SyntaxKind.UsingDirective) &&
!CSharpUtility.IsNamespaceInScope(node, namespaceSymbol, semanticModel, context.CancellationToken))
{
context.RegisterRefactoring(
$"using {namespaceSymbol};",
cancellationToken => RefactorAsync(context.Document, node, namespaceSymbol, cancellationToken));
}
}
public static void ChangeTypeOrReturnType(
CodeFixContext context,
Diagnostic diagnostic,
SyntaxNode node,
ITypeSymbol newTypeSymbol,
SemanticModel semanticModel,
string additionalKey = null)
{
if (newTypeSymbol.IsErrorType())
{
return;
}
TypeSyntax type = CSharpUtility.GetTypeOrReturnType(node);
if (type == null)
{
return;
}
CodeAction codeAction = CodeActionFactory.ChangeType(context.Document, type, newTypeSymbol, semanticModel, equivalenceKey: EquivalenceKey.Create(diagnostic, additionalKey));
context.RegisterCodeFix(codeAction, diagnostic);
}
public static async Task <Document> RefactorAsync(
Document document,
ExpressionSyntax expression,
IMethodSymbol methodSymbol,
CancellationToken cancellationToken = default(CancellationToken))
{
SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
InvocationExpressionSyntax invocation = SimpleMemberInvocationExpression(
expression
.WithoutTrailingTrivia()
.Parenthesize(moveTrivia: true)
.WithSimplifierAnnotation(),
IdentifierName(methodSymbol.Name));
invocation = invocation.WithTrailingTrivia(expression.GetTrailingTrivia());
SyntaxNode newRoot = root.ReplaceNode(expression, invocation);
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
if (methodSymbol.IsExtensionMethod &&
newRoot.IsKind(SyntaxKind.CompilationUnit))
{
INamespaceSymbol namespaceSymbol = methodSymbol.ContainingNamespace;
if (namespaceSymbol != null &&
!CSharpUtility.IsNamespaceInScope(expression, namespaceSymbol, semanticModel, cancellationToken))
{
newRoot = ((CompilationUnitSyntax)newRoot)
.AddUsings(UsingDirective(ParseName(namespaceSymbol.ToString())));
}
}
return(document.WithSyntaxRoot(newRoot));
}
public static void AnalyzeInvocationExpression(SyntaxNodeAnalysisContext context)
{
var invocation = (InvocationExpressionSyntax)context.Node;
ExpressionSyntax expression = invocation.Expression;
if (expression?.IsKind(SyntaxKind.SimpleMemberAccessExpression) == true)
{
var memberAccess = (MemberAccessExpressionSyntax)expression;
ArgumentListSyntax argumentList = invocation.ArgumentList;
if (argumentList != null)
{
SeparatedSyntaxList <ArgumentSyntax> arguments = argumentList.Arguments;
if (arguments.Any())
{
SimpleNameSyntax name = memberAccess.Name;
if (name?.Identifier.ValueText == "Join")
{
SemanticModel semanticModel = context.SemanticModel;
CancellationToken cancellationToken = context.CancellationToken;
MethodInfo info;
if (semanticModel.TryGetMethodInfo(invocation, out info, cancellationToken) &&
info.IsName("Join") &&
info.IsContainingType(SpecialType.System_String) &&
info.IsPublic &&
info.IsStatic &&
info.IsReturnType(SpecialType.System_String) &&
!info.IsGenericMethod &&
!info.IsExtensionMethod)
{
ImmutableArray <IParameterSymbol> parameters = info.Parameters;
if (parameters.Length == 2 &&
parameters[0].Type.IsString())
{
IParameterSymbol parameter = parameters[1];
if (parameter.IsParamsOf(SpecialType.System_String, SpecialType.System_Object) ||
parameter.Type.IsConstructedFromIEnumerableOfT())
{
ArgumentSyntax firstArgument = arguments.First();
ExpressionSyntax argumentExpression = firstArgument.Expression;
if (argumentExpression != null &&
CSharpUtility.IsEmptyString(argumentExpression, semanticModel, cancellationToken) &&
!invocation.ContainsDirectives(TextSpan.FromBounds(invocation.SpanStart, firstArgument.Span.End)))
{
context.ReportDiagnostic(
DiagnosticDescriptors.CallStringConcatInsteadOfStringJoin,
name);
}
}
}
}
}
}
}
}
}
public static void ComputeCodeFix(
CodeFixContext context,
Diagnostic diagnostic,
ExpressionSyntax expression,
SemanticModel semanticModel)
{
TypeInfo typeInfo = semanticModel.GetTypeInfo(expression, context.CancellationToken);
ITypeSymbol expressionTypeSymbol = typeInfo.Type;
if (expressionTypeSymbol == null)
{
return;
}
if (!expressionTypeSymbol.SupportsExplicitDeclaration())
{
return;
}
(ISymbol symbol, ITypeSymbol typeSymbol) = GetContainingSymbolAndType(expression, semanticModel, context.CancellationToken);
Debug.Assert(symbol != null, expression.ToString());
if (symbol == null)
{
return;
}
if (symbol.IsOverride)
{
return;
}
if (symbol.ImplementsInterfaceMember())
{
return;
}
SyntaxNode node = symbol.GetSyntax(context.CancellationToken);
if (node.Kind() == SyntaxKind.VariableDeclarator)
{
node = node.Parent.Parent;
}
TypeSyntax type = CSharpUtility.GetTypeOrReturnType(node);
if (type == null)
{
return;
}
ITypeSymbol newTypeSymbol = expressionTypeSymbol;
string additionalKey = null;
bool isAsyncMethod = false;
bool insertAwait = false;
bool isYield = false;
if (symbol.IsAsyncMethod())
{
isAsyncMethod = true;
INamedTypeSymbol taskOfT = semanticModel.GetTypeByMetadataName("System.Threading.Tasks.Task`1");
if (taskOfT == null)
{
return;
}
if (expression.Kind() == SyntaxKind.AwaitExpression)
{
newTypeSymbol = taskOfT.Construct(expressionTypeSymbol);
}
else if (expressionTypeSymbol.OriginalDefinition.Equals(taskOfT))
{
insertAwait = true;
additionalKey = "InsertAwait";
}
else if (expressionTypeSymbol.HasMetadataName(MetadataNames.System_Threading_Tasks_Task))
{
return;
}
}
else if (expression.IsParentKind(SyntaxKind.YieldReturnStatement))
{
isYield = true;
newTypeSymbol = semanticModel
.Compilation
.GetSpecialType(SpecialType.System_Collections_Generic_IEnumerable_T)
.Construct(expressionTypeSymbol);
}
if (!isYield &&
!isAsyncMethod &&
!typeSymbol.OriginalDefinition.IsIEnumerableOfT() &&
newTypeSymbol.OriginalDefinition.HasMetadataName(MetadataNames.System_Linq_IOrderedEnumerable_T))
{
INamedTypeSymbol constructedEnumerableSymbol = semanticModel
.Compilation
.GetSpecialType(SpecialType.System_Collections_Generic_IEnumerable_T)
.Construct(((INamedTypeSymbol)newTypeSymbol).TypeArguments.ToArray());
RegisterCodeFix(context, diagnostic, node, type, expression, constructedEnumerableSymbol, semanticModel, insertAwait: false);
additionalKey = "IOrderedEnumerable<T>";
}
RegisterCodeFix(context, diagnostic, node, type, expression, newTypeSymbol, semanticModel, insertAwait: insertAwait, additionalKey: additionalKey);
}
private static void ReportDiagnostic(SyntaxNodeAnalysisContext context, SyntaxNode node, string declarationName)
{
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticRules.RemoveUnusedMemberDeclaration, CSharpUtility.GetIdentifier(node), declarationName);
}
/// <summary>
/// 随从的导入
/// </summary>
/// <param name="target"></param>
/// <param name="workbook"></param>
private void Minion(dynamic workbook)
{
if (Directory.Exists(ExportFolderPicker.SelectedPathOrFileName + "\\Minion\\"))
{
Directory.Delete(ExportFolderPicker.SelectedPathOrFileName + "\\Minion\\", true);
}
Directory.CreateDirectory(ExportFolderPicker.SelectedPathOrFileName + "\\Minion\\");
//随从的导入
dynamic worksheet = workbook.Sheets(1);
int rowCount = 4;
while (!string.IsNullOrEmpty(worksheet.Cells(rowCount, 2).Text))
{
MinionCard Minion = new MinionCard();
Minion.序列号 = worksheet.Cells(rowCount, 2).Text;
Minion.称 = worksheet.Cells(rowCount, 3).Text;
Minion.描述 = worksheet.Cells(rowCount, 4).Text;
Minion.职业 = CSharpUtility.GetEnum <CardUtility.职业枚举>(worksheet.Cells(rowCount, 5).Text, CardUtility.职业枚举.中立);
Minion.种族 = CSharpUtility.GetEnum <CardUtility.种族枚举>(worksheet.Cells(rowCount, 6).Text, CardUtility.种族枚举.无);
Minion.使用成本 = CSharpUtility.GetInt(worksheet.Cells(rowCount, 7).Text);
Minion.攻击力 = CSharpUtility.GetInt(worksheet.Cells(rowCount, 8).Text);
Minion.生命值上限 = CSharpUtility.GetInt(worksheet.Cells(rowCount, 9).Text);
Minion.稀有程度 = CSharpUtility.GetEnum <CardBasicInfo.稀有程度枚举>(worksheet.Cells(rowCount, 12).Text, CardBasicInfo.稀有程度枚举.白色);
Minion.是否启用 = !string.IsNullOrEmpty(worksheet.Cells(rowCount, 13).Text);
Minion.嘲讽特性 = !string.IsNullOrEmpty(worksheet.Cells(rowCount, 14).Text);
Minion.冲锋特性 = !string.IsNullOrEmpty(worksheet.Cells(rowCount, 15).Text);
Minion.风怒特性 = !string.IsNullOrEmpty(worksheet.Cells(rowCount, 17).Text);
Minion.潜行特性 = !string.IsNullOrEmpty(worksheet.Cells(rowCount, 18).Text);
Minion.圣盾特性 = !string.IsNullOrEmpty(worksheet.Cells(rowCount, 19).Text);
bool HasBuff = false;
for (int i = 22; i < 25; i++)
{
if (!string.IsNullOrEmpty(worksheet.Cells(rowCount, i).Text))
{
HasBuff = true;
break;
}
}
if (HasBuff)
{
Minion.光环效果.来源 = Minion.称;
//Minion.光环效果.范围 = CSharpUtility.GetEnum<Buff.光环范围枚举>(worksheet.Cells(rowCount, 22).Text, Buff.光环范围枚举.随从全体);
Minion.光环效果.类型 = CSharpUtility.GetEnum <Buff.光环类型枚举>(worksheet.Cells(rowCount, 23).Text, Buff.光环类型枚举.增加攻防);
Minion.光环效果.信息 = worksheet.Cells(rowCount, 24).Text;
}
Minion.战吼效果 = worksheet.Cells(rowCount, 25).Text;
Minion.亡语效果 = worksheet.Cells(rowCount, 27).Text;
Minion.激怒效果 = worksheet.Cells(rowCount, 28).Text;
Minion.连击效果 = worksheet.Cells(rowCount, 29).Text;
Minion.回合开始效果 = worksheet.Cells(rowCount, 30).Text;
Minion.回合结束效果 = worksheet.Cells(rowCount, 31).Text;
Minion.过载 = CSharpUtility.GetInt(worksheet.Cells(rowCount, 32).Text);
//Minion.自身事件效果.触发效果事件类型 = CSharpUtility.GetEnum<CardUtility.事件类型枚举>(worksheet.Cells(rowCount, 33).Text, CardUtility.事件类型枚举.无);
Minion.自身事件效果.效果编号 = worksheet.Cells(rowCount, 34).Text;
Minion.自身事件效果.触发效果事件方向 = CSharpUtility.GetEnum <CardUtility.目标选择方向枚举>(worksheet.Cells(rowCount, 35).Text, CardUtility.目标选择方向枚举.本方);
Minion.自身事件效果.限制信息 = worksheet.Cells(rowCount, 36).Text;
Minion.特殊效果 = CSharpUtility.GetEnum <MinionCard.特殊效果枚举>(worksheet.Cells(rowCount, 37).Text, MinionCard.特殊效果枚举.无效果);
switch (exportType)
{
case SystemManager.ExportType.XML:
XmlSerializer xml = new XmlSerializer(typeof(MinionCard));
string XmlFilename = ExportFolderPicker.SelectedPathOrFileName + "\\Minion\\" + Minion.序列号 + ".xml";
xml.Serialize(new StreamWriter(XmlFilename), Minion);
break;
case SystemManager.ExportType.JSON:
string JSonFilename = ExportFolderPicker.SelectedPathOrFileName + "\\Minion\\" + Minion.序列号 + ".json";
StreamWriter json = new StreamWriter(JSonFilename);
json.Write(Minion.ToJson());
json.Close();
break;
default:
break;
}
rowCount++;
}
}
