/
SymbolExtensions.cs
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/
SymbolExtensions.cs
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// This file is part of YamlDotNet - A .NET library for YAML.
// Copyright (c) Antoine Aubry and contributors
//
// 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 System.Collections.Generic;
using Microsoft.CodeAnalysis;
namespace YamlDotNet.Analyzers.StaticGenerator
{
static class SymbolExtensions
{
public static string GetFullName(this ITypeSymbol symbol, bool includeArrayDimensions = true)
{
if (symbol is IArrayTypeSymbol arrayTypeSymbol)
{
if (includeArrayDimensions)
{
return $"{arrayTypeSymbol.ElementType.GetFullName()}[{(new string(',', arrayTypeSymbol.Rank - 1))}]";
}
return arrayTypeSymbol.ElementType.GetFullName();
}
if (symbol is INamedTypeSymbol namedTypeSymbol)
{
return GetFullName(namedTypeSymbol);
}
return symbol.Name;
}
public static string GetNamespace(this ISymbol symbol)
{
var parts = new Stack<string>();
var currentNamespace = symbol.ContainingNamespace;
while (currentNamespace != null)
{
if (!string.IsNullOrEmpty(currentNamespace.Name))
{
parts.Push(currentNamespace.Name);
currentNamespace = currentNamespace.ContainingNamespace;
}
else
{
break;
}
}
return string.Join(".", parts);
}
static string GetNullable(this ITypeSymbol symbol)
{
if (symbol.IsValueType || symbol.NullableAnnotation != NullableAnnotation.Annotated)
{
return string.Empty;
}
return "?";
}
static string GetFullName(this INamedTypeSymbol symbol)
{
var space = GetNamespace(symbol);
var suffix = GetGenericTypes(symbol.TypeArguments); ;
var containingSymbol = symbol.ContainingType;
while (containingSymbol != null)
{
if (string.IsNullOrWhiteSpace(space))
{
space = containingSymbol.Name;
}
else
{
space = $"{space}.{containingSymbol.Name}";
}
containingSymbol = containingSymbol.ContainingType;
}
if (!string.IsNullOrWhiteSpace(space))
{
return space + "." + symbol.Name + suffix + symbol.GetNullable();
}
else
{
return symbol.Name + suffix + symbol.GetNullable();
}
}
static string GetGenericTypes(IReadOnlyList<ITypeSymbol> typeArguments)
{
var output = new List<string>();
foreach (var argument in typeArguments)
{
switch (argument)
{
case INamedTypeSymbol namedTypeSymbol:
output.Add(GetFullName(namedTypeSymbol));
break;
case ITypeParameterSymbol typeParameterSymbol:
output.Add(typeParameterSymbol.Name + typeParameterSymbol.GetNullable());
break;
case IArrayTypeSymbol arrayTypeSymbol:
output.Add(GetFullName(arrayTypeSymbol.ElementType) + "[]");
break;
default:
throw new NotSupportedException($"Cannot generate type name from type argument {argument.GetType().FullName}");
}
}
if (output.Count > 0)
{
return $"<{string.Join(", ", typeArguments)}>";
}
return string.Empty;
}
}
}