/// <summary>
/// 添加 struct 约束
/// </summary>
/// <param name="paramterName"></param>
/// <returns></returns>
public GenericBuilder AddStruct(string paramterName)
{
DefineGenericInfo info = Search(paramterName);
info.Name = paramterName;
info.Parameter = SyntaxFactory.TypeParameter(SyntaxFactory.Identifier(paramterName));
info.ConstraintClauseSyntax.Add(
SyntaxFactory.TypeParameterConstraintClause(SyntaxFactory.IdentifierName(paramterName)).WithConstraints(
SyntaxFactory.SingletonSeparatedList <TypeParameterConstraintSyntax>(
SyntaxFactory.ClassOrStructConstraint(SyntaxKind.StructConstraint))));
return(this);
}
/// <summary>
/// 搜索
/// </summary>
/// <param name="paramterName"></param>
/// <returns></returns>
private DefineGenericInfo Search(string paramterName)
{
DefineGenericInfo info = default;
if (!tokens.ContainsKey(paramterName))
{
tokens.Add(paramterName, info);
}
else
{
info = tokens[paramterName];
}
return(info);
}
/// <summary>
/// 添加 unmanaged 约束
/// </summary>
/// <param name="paramterName"></param>
/// <returns></returns>
public GenericBuilder AddUnmanaged(string paramterName)
{
DefineGenericInfo info = Search(paramterName);
info.Parameter = SyntaxFactory.TypeParameter(SyntaxFactory.Identifier(paramterName));
info.ConstraintClauseSyntax.Add(
SyntaxFactory.TypeParameterConstraintClause(SyntaxFactory.IdentifierName(paramterName))
.WithConstraints(
SyntaxFactory.SingletonSeparatedList <TypeParameterConstraintSyntax>(
SyntaxFactory.TypeConstraint(
SyntaxFactory.IdentifierName("unmanaged")))));
return(this);
}
/// <summary>
/// 添加一个参数
/// </summary>
/// <param name="paramterName">参数名称</param>
/// <param name="info">信息</param>
/// <returns></returns>
private GenericBuilder Add(string paramterName, out DefineGenericInfo info)
{
if (!tokens.ContainsKey(paramterName))
{
info = new DefineGenericInfo();
tokens.Add(paramterName, info);
}
else
{
info = tokens[paramterName];
}
info.Name = paramterName;
info.Parameter = SyntaxFactory.TypeParameter(SyntaxFactory.Identifier(paramterName));
return(this);
}
/// <summary>
/// 添加接口约束
/// </summary>
/// <param name="paramterName"></param>
/// <param name="interfaces"></param>
/// <returns></returns>
public GenericBuilder AddInterface(string paramterName, string[] interfaces)
{
DefineGenericInfo info = Search(paramterName);
info.Parameter = SyntaxFactory.TypeParameter(SyntaxFactory.Identifier(paramterName));
SyntaxNodeOrToken[] syntaxes = new SyntaxNodeOrToken[interfaces.Length];
for (int i = 0; i < interfaces.Length; i++)
{
syntaxes[i] = SyntaxFactory.TypeConstraint(
SyntaxFactory.IdentifierName(interfaces[i]));
}
info.ConstraintClauseSyntax.Add(
SyntaxFactory.TypeParameterConstraintClause(
SyntaxFactory.IdentifierName(paramterName))
.WithConstraints(
SyntaxFactory.SeparatedList <TypeParameterConstraintSyntax>(syntaxes)));
return(this);
}
