本文整理汇总了C#中Microsoft.CodeAnalysis.CSharp.Syntax.ConstructorDeclarationSyntax.FirstAncestorOrSelf方法的典型用法代码示例。如果您正苦于以下问题：C# ConstructorDeclarationSyntax.FirstAncestorOrSelf方法的具体用法？C# ConstructorDeclarationSyntax.FirstAncestorOrSelf怎么用？C# ConstructorDeclarationSyntax.FirstAncestorOrSelf使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Microsoft.CodeAnalysis.CSharp.Syntax.ConstructorDeclarationSyntax的用法示例。
在下文中一共展示了ConstructorDeclarationSyntax.FirstAncestorOrSelf方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: IntroduceFieldFromConstructor
public static SyntaxNode IntroduceFieldFromConstructor(SyntaxNode root, ConstructorDeclarationSyntax constructorStatement, ParameterSyntax parameter)
{
var oldClass = constructorStatement.FirstAncestorOrSelf<ClassDeclarationSyntax>();
var newClass = oldClass;
var fieldName = parameter.Identifier.ValueText;
var fieldType = parameter.Type;
var members = ExtractMembersFromClass(oldClass.Members);
var addMember = false;
if (!members.Any(p => p.Key == fieldName && p.Value == fieldType.ToString()))
{
var identifierPostFix = 0;
while (members.Any(p => p.Key == fieldName))
fieldName = parameter.Identifier.ValueText + ++identifierPostFix;
addMember = true;
}
var assignmentField = SyntaxFactory.ExpressionStatement(SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression,
SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.ThisExpression(),
SyntaxFactory.IdentifierName(fieldName)), SyntaxFactory.IdentifierName(parameter.Identifier.ValueText)));
var newConstructor = constructorStatement.WithBody(constructorStatement.Body.AddStatements(assignmentField));
newClass = newClass.ReplaceNode(constructorStatement, newConstructor);
if (addMember)
{
var newField = SyntaxFactory.FieldDeclaration(SyntaxFactory.VariableDeclaration(parameter.Type)
.WithVariables(SyntaxFactory.SingletonSeparatedList(SyntaxFactory.VariableDeclarator(SyntaxFactory.Identifier(fieldName)))))
.WithModifiers(SyntaxFactory.TokenList(new[] { SyntaxFactory.Token(SyntaxKind.PrivateKeyword), SyntaxFactory.Token(SyntaxKind.ReadOnlyKeyword) }))
.WithAdditionalAnnotations(Formatter.Annotation);
newClass = newClass.WithMembers(newClass.Members.Insert(0, newField)).WithoutAnnotations(Formatter.Annotation);
}
var newRoot = root.ReplaceNode(oldClass, newClass);
return newRoot;
}