forked from Mirror/Ryujinx
4d2c8e2a44
* Prepo: Fix SaveSystemReport IPC definitions * Follow original code * Fix args index in HipcGenerator * Addresses feedback * oops
758 lines
32 KiB
C#
758 lines
32 KiB
C#
using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp;
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using Microsoft.CodeAnalysis.CSharp.Syntax;
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using System.Collections.Generic;
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using System.Linq;
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namespace Ryujinx.Horizon.Generators.Hipc
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{
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[Generator]
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class HipcGenerator : ISourceGenerator
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{
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private const string ArgVariablePrefix = "arg";
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private const string ResultVariableName = "result";
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private const string IsBufferMapAliasVariableName = "isBufferMapAlias";
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private const string InObjectsVariableName = "inObjects";
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private const string OutObjectsVariableName = "outObjects";
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private const string ResponseVariableName = "response";
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private const string OutRawDataVariableName = "outRawData";
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private const string TypeSystemReadOnlySpan = "System.ReadOnlySpan";
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private const string TypeSystemSpan = "System.Span";
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private const string TypeStructLayoutAttribute = "System.Runtime.InteropServices.StructLayoutAttribute";
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public const string CommandAttributeName = "CmifCommandAttribute";
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private const string TypeResult = "Ryujinx.Horizon.Common.Result";
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private const string TypeBufferAttribute = "Ryujinx.Horizon.Sdk.Sf.BufferAttribute";
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private const string TypeCopyHandleAttribute = "Ryujinx.Horizon.Sdk.Sf.CopyHandleAttribute";
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private const string TypeMoveHandleAttribute = "Ryujinx.Horizon.Sdk.Sf.MoveHandleAttribute";
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private const string TypeClientProcessIdAttribute = "Ryujinx.Horizon.Sdk.Sf.ClientProcessIdAttribute";
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private const string TypeCommandAttribute = "Ryujinx.Horizon.Sdk.Sf." + CommandAttributeName;
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private const string TypeIServiceObject = "Ryujinx.Horizon.Sdk.Sf.IServiceObject";
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private enum Modifier
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{
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None,
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Ref,
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Out,
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In
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}
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private struct OutParameter
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{
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public readonly string Name;
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public readonly string TypeName;
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public readonly int Index;
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public readonly CommandArgType Type;
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public OutParameter(string name, string typeName, int index, CommandArgType type)
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{
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Name = name;
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TypeName = typeName;
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Index = index;
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Type = type;
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}
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}
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public void Execute(GeneratorExecutionContext context)
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{
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HipcSyntaxReceiver syntaxReceiver = (HipcSyntaxReceiver)context.SyntaxReceiver;
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foreach (var commandInterface in syntaxReceiver.CommandInterfaces)
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{
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if (!NeedsIServiceObjectImplementation(context.Compilation, commandInterface.ClassDeclarationSyntax))
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{
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continue;
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}
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CodeGenerator generator = new CodeGenerator();
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string className = commandInterface.ClassDeclarationSyntax.Identifier.ToString();
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generator.AppendLine("using Ryujinx.Horizon.Common;");
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generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf;");
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generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf.Cmif;");
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generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf.Hipc;");
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generator.AppendLine("using System;");
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generator.AppendLine("using System.Collections.Generic;");
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generator.AppendLine("using System.Runtime.CompilerServices;");
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generator.AppendLine("using System.Runtime.InteropServices;");
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generator.AppendLine();
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generator.EnterScope($"namespace {GetNamespaceName(commandInterface.ClassDeclarationSyntax)}");
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generator.EnterScope($"partial class {className}");
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GenerateMethodTable(generator, context.Compilation, commandInterface);
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foreach (var method in commandInterface.CommandImplementations)
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{
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generator.AppendLine();
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GenerateMethod(generator, context.Compilation, method);
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}
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generator.LeaveScope();
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generator.LeaveScope();
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context.AddSource($"{className}.g.cs", generator.ToString());
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}
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}
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private static string GetNamespaceName(SyntaxNode syntaxNode)
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{
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while (syntaxNode != null && !(syntaxNode is NamespaceDeclarationSyntax))
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{
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syntaxNode = syntaxNode.Parent;
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}
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if (syntaxNode == null)
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{
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return string.Empty;
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}
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return ((NamespaceDeclarationSyntax)syntaxNode).Name.ToString();
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}
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private static void GenerateMethodTable(CodeGenerator generator, Compilation compilation, CommandInterface commandInterface)
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{
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generator.EnterScope($"public IReadOnlyDictionary<int, CommandHandler> GetCommandHandlers()");
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generator.EnterScope($"return new Dictionary<int, CommandHandler>()");
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foreach (var method in commandInterface.CommandImplementations)
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{
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foreach (var commandId in GetAttributeAguments(compilation, method, TypeCommandAttribute, 0))
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{
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string[] args = new string[method.ParameterList.Parameters.Count];
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if (args.Length == 0)
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{
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generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, Array.Empty<CommandArg>()) }},");
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}
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else
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{
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int index = 0;
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foreach (var parameter in method.ParameterList.Parameters)
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{
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string canonicalTypeName = GetCanonicalTypeNameWithGenericArguments(compilation, parameter.Type);
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CommandArgType argType = GetCommandArgType(compilation, parameter);
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string arg;
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if (argType == CommandArgType.Buffer)
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{
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string bufferFlags = GetFirstAttributeAgument(compilation, parameter, TypeBufferAttribute, 0);
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string bufferFixedSize = GetFirstAttributeAgument(compilation, parameter, TypeBufferAttribute, 1);
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if (bufferFixedSize != null)
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{
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arg = $"new CommandArg({bufferFlags}, {bufferFixedSize})";
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}
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else
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{
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arg = $"new CommandArg({bufferFlags})";
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}
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}
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else if (argType == CommandArgType.InArgument || argType == CommandArgType.OutArgument)
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{
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string alignment = GetTypeAlignmentExpression(compilation, parameter.Type);
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arg = $"new CommandArg(CommandArgType.{argType}, Unsafe.SizeOf<{canonicalTypeName}>(), {alignment})";
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}
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else
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{
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arg = $"new CommandArg(CommandArgType.{argType})";
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}
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args[index++] = arg;
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}
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generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, {string.Join(", ", args)}) }},");
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}
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}
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}
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generator.LeaveScope(";");
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generator.LeaveScope();
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}
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private static IEnumerable<string> GetAttributeAguments(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
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{
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ISymbol symbol = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetDeclaredSymbol(syntaxNode);
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foreach (var attribute in symbol.GetAttributes())
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{
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if (attribute.AttributeClass.ToDisplayString() == attributeName && (uint)argIndex < (uint)attribute.ConstructorArguments.Length)
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{
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yield return attribute.ConstructorArguments[argIndex].ToCSharpString();
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}
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}
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}
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private static string GetFirstAttributeAgument(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
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{
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return GetAttributeAguments(compilation, syntaxNode, attributeName, argIndex).FirstOrDefault();
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}
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private static void GenerateMethod(CodeGenerator generator, Compilation compilation, MethodDeclarationSyntax method)
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{
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int inObjectsCount = 0;
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int outObjectsCount = 0;
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int buffersCount = 0;
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foreach (var parameter in method.ParameterList.Parameters)
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{
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if (IsObject(compilation, parameter))
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{
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if (IsIn(parameter))
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{
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inObjectsCount++;
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}
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else
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{
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outObjectsCount++;
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}
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}
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else if (IsBuffer(compilation, parameter))
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{
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buffersCount++;
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}
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}
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generator.EnterScope($"private Result {method.Identifier.Text}(" +
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"ref ServiceDispatchContext context, " +
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"HipcCommandProcessor processor, " +
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"ServerMessageRuntimeMetadata runtimeMetadata, " +
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"ReadOnlySpan<byte> inRawData, " +
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"ref Span<CmifOutHeader> outHeader)");
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bool returnsResult = method.ReturnType != null && GetCanonicalTypeName(compilation, method.ReturnType) == TypeResult;
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if (returnsResult || buffersCount != 0 || inObjectsCount != 0)
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{
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generator.AppendLine($"Result {ResultVariableName};");
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if (buffersCount != 0)
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{
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generator.AppendLine($"bool[] {IsBufferMapAliasVariableName} = new bool[{method.ParameterList.Parameters.Count}];");
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generator.AppendLine();
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generator.AppendLine($"{ResultVariableName} = processor.ProcessBuffers(ref context, {IsBufferMapAliasVariableName}, runtimeMetadata);");
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generator.EnterScope($"if ({ResultVariableName}.IsFailure)");
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generator.AppendLine($"return {ResultVariableName};");
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generator.LeaveScope();
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}
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generator.AppendLine();
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}
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List<OutParameter> outParameters = new List<OutParameter>();
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string[] args = new string[method.ParameterList.Parameters.Count];
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if (inObjectsCount != 0)
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{
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generator.AppendLine($"var {InObjectsVariableName} = new IServiceObject[{inObjectsCount}];");
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generator.AppendLine();
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generator.AppendLine($"{ResultVariableName} = processor.GetInObjects(context.Processor, {InObjectsVariableName});");
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generator.EnterScope($"if ({ResultVariableName}.IsFailure)");
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generator.AppendLine($"return {ResultVariableName};");
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generator.LeaveScope();
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generator.AppendLine();
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}
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if (outObjectsCount != 0)
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{
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generator.AppendLine($"var {OutObjectsVariableName} = new IServiceObject[{outObjectsCount}];");
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}
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int index = 0;
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int inArgIndex = 0;
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int outArgIndex = 0;
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int inCopyHandleIndex = 0;
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int inMoveHandleIndex = 0;
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int inObjectIndex = 0;
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foreach (var parameter in method.ParameterList.Parameters)
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{
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string name = parameter.Identifier.Text;
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string argName = GetPrefixedArgName(name);
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string canonicalTypeName = GetCanonicalTypeNameWithGenericArguments(compilation, parameter.Type);
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CommandArgType argType = GetCommandArgType(compilation, parameter);
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Modifier modifier = GetModifier(parameter);
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bool isNonSpanBuffer = false;
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if (modifier == Modifier.Out)
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{
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if (IsNonSpanOutBuffer(compilation, parameter))
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{
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generator.AppendLine($"using var {argName} = CommandSerialization.GetWritableRegion(processor.GetBufferRange({outArgIndex++}));");
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argName = $"out {GenerateSpanCastElement0(canonicalTypeName, $"{argName}.Memory.Span")}";
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}
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else
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{
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outParameters.Add(new OutParameter(argName, canonicalTypeName, index, argType));
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argName = $"out {canonicalTypeName} {argName}";
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}
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}
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else
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{
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string value = $"default({canonicalTypeName})";
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switch (argType)
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{
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case CommandArgType.InArgument:
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value = $"CommandSerialization.DeserializeArg<{canonicalTypeName}>(inRawData, processor.GetInArgOffset({inArgIndex++}))";
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break;
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case CommandArgType.InCopyHandle:
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value = $"CommandSerialization.DeserializeCopyHandle(ref context, {inCopyHandleIndex++})";
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break;
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case CommandArgType.InMoveHandle:
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value = $"CommandSerialization.DeserializeMoveHandle(ref context, {inMoveHandleIndex++})";
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break;
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case CommandArgType.ProcessId:
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value = "CommandSerialization.DeserializeClientProcessId(ref context)";
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break;
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case CommandArgType.InObject:
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value = $"{InObjectsVariableName}[{inObjectIndex++}]";
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break;
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case CommandArgType.Buffer:
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if (IsReadOnlySpan(compilation, parameter))
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{
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string spanGenericTypeName = GetCanonicalTypeNameOfGenericArgument(compilation, parameter.Type, 0);
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value = GenerateSpanCast(spanGenericTypeName, $"CommandSerialization.GetReadOnlySpan(processor.GetBufferRange({index}))");
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}
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else if (IsSpan(compilation, parameter))
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{
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value = $"CommandSerialization.GetWritableRegion(processor.GetBufferRange({index}))";
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}
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else
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{
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value = $"CommandSerialization.GetRef<{canonicalTypeName}>(processor.GetBufferRange({index}))";
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isNonSpanBuffer = true;
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}
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break;
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}
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if (IsSpan(compilation, parameter))
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{
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generator.AppendLine($"using var {argName} = {value};");
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string spanGenericTypeName = GetCanonicalTypeNameOfGenericArgument(compilation, parameter.Type, 0);
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argName = GenerateSpanCast(spanGenericTypeName, $"{argName}.Memory.Span"); ;
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}
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else if (isNonSpanBuffer)
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{
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generator.AppendLine($"ref var {argName} = ref {value};");
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}
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else if (argType == CommandArgType.InObject)
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{
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generator.EnterScope($"if (!({value} is {canonicalTypeName} {argName}))");
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generator.AppendLine("return SfResult.InvalidInObject;");
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generator.LeaveScope();
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}
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else
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{
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generator.AppendLine($"var {argName} = {value};");
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}
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}
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if (modifier == Modifier.Ref)
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{
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argName = $"ref {argName}";
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}
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else if (modifier == Modifier.In)
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{
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argName = $"in {argName}";
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}
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args[index++] = argName;
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}
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if (args.Length - outParameters.Count > 0)
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{
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generator.AppendLine();
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}
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if (returnsResult)
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{
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generator.AppendLine($"{ResultVariableName} = {method.Identifier.Text}({string.Join(", ", args)});");
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generator.AppendLine();
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generator.AppendLine($"Span<byte> {OutRawDataVariableName};");
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generator.AppendLine();
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generator.EnterScope($"if ({ResultVariableName}.IsFailure)");
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generator.AppendLine($"context.Processor.PrepareForErrorReply(ref context, out {OutRawDataVariableName}, runtimeMetadata);");
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generator.AppendLine($"CommandHandler.GetCmifOutHeaderPointer(ref outHeader, ref {OutRawDataVariableName});");
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generator.AppendLine($"return {ResultVariableName};");
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generator.LeaveScope();
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}
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else
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{
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generator.AppendLine($"{method.Identifier.Text}({string.Join(", ", args)});");
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generator.AppendLine();
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generator.AppendLine($"Span<byte> {OutRawDataVariableName};");
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}
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generator.AppendLine();
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generator.AppendLine($"var {ResponseVariableName} = context.Processor.PrepareForReply(ref context, out {OutRawDataVariableName}, runtimeMetadata);");
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generator.AppendLine($"CommandHandler.GetCmifOutHeaderPointer(ref outHeader, ref {OutRawDataVariableName});");
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generator.AppendLine();
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generator.EnterScope($"if ({OutRawDataVariableName}.Length < processor.OutRawDataSize)");
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generator.AppendLine("return SfResult.InvalidOutRawSize;");
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generator.LeaveScope();
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if (outParameters.Count != 0)
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{
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generator.AppendLine();
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int outCopyHandleIndex = 0;
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int outMoveHandleIndex = outObjectsCount;
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int outObjectIndex = 0;
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for (int outIndex = 0; outIndex < outParameters.Count; outIndex++)
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{
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OutParameter outParameter = outParameters[outIndex];
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switch (outParameter.Type)
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{
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case CommandArgType.OutArgument:
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generator.AppendLine($"CommandSerialization.SerializeArg<{outParameter.TypeName}>({OutRawDataVariableName}, processor.GetOutArgOffset({outParameter.Index}), {outParameter.Name});");
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break;
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case CommandArgType.OutCopyHandle:
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generator.AppendLine($"CommandSerialization.SerializeCopyHandle({ResponseVariableName}, {outCopyHandleIndex++}, {outParameter.Name});");
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break;
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case CommandArgType.OutMoveHandle:
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generator.AppendLine($"CommandSerialization.SerializeMoveHandle({ResponseVariableName}, {outMoveHandleIndex++}, {outParameter.Name});");
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break;
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case CommandArgType.OutObject:
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generator.AppendLine($"{OutObjectsVariableName}[{outObjectIndex++}] = {outParameter.Name};");
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break;
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}
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}
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}
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generator.AppendLine();
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if (outObjectsCount != 0 || buffersCount != 0)
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{
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if (outObjectsCount != 0)
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{
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generator.AppendLine($"processor.SetOutObjects(ref context, {ResponseVariableName}, {OutObjectsVariableName});");
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}
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if (buffersCount != 0)
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{
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generator.AppendLine($"processor.SetOutBuffers({ResponseVariableName}, {IsBufferMapAliasVariableName});");
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}
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generator.AppendLine();
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}
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generator.AppendLine("return Result.Success;");
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generator.LeaveScope();
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}
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private static string GetPrefixedArgName(string name)
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{
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return ArgVariablePrefix + name[0].ToString().ToUpperInvariant() + name.Substring(1);
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}
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private static string GetCanonicalTypeNameOfGenericArgument(Compilation compilation, SyntaxNode syntaxNode, int argIndex)
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{
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if (syntaxNode is GenericNameSyntax genericNameSyntax)
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{
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if ((uint)argIndex < (uint)genericNameSyntax.TypeArgumentList.Arguments.Count)
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{
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return GetCanonicalTypeNameWithGenericArguments(compilation, genericNameSyntax.TypeArgumentList.Arguments[argIndex]);
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}
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}
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return GetCanonicalTypeName(compilation, syntaxNode);
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}
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private static string GetCanonicalTypeNameWithGenericArguments(Compilation compilation, SyntaxNode syntaxNode)
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{
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TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
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return typeInfo.Type.ToDisplayString();
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}
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private static string GetCanonicalTypeName(Compilation compilation, SyntaxNode syntaxNode)
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{
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TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
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string typeName = typeInfo.Type.ToDisplayString();
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int genericArgsStartIndex = typeName.IndexOf('<');
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if (genericArgsStartIndex >= 0)
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{
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return typeName.Substring(0, genericArgsStartIndex);
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}
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return typeName;
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}
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private static SpecialType GetSpecialTypeName(Compilation compilation, SyntaxNode syntaxNode)
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{
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TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
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return typeInfo.Type.SpecialType;
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}
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private static string GetTypeAlignmentExpression(Compilation compilation, SyntaxNode syntaxNode)
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{
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TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
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// Since there's no way to get the alignment for a arbitrary type here, let's assume that all
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// "special" types are primitive types aligned to their own length.
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// Otherwise, assume that the type is a custom struct, that either defines an explicit alignment
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// or has an alignment of 1 which is the lowest possible value.
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if (typeInfo.Type.SpecialType == SpecialType.None)
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{
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string pack = GetTypeFirstNamedAttributeAgument(compilation, syntaxNode, TypeStructLayoutAttribute, "Pack");
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return pack ?? "1";
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|
}
|
|
else
|
|
{
|
|
return $"Unsafe.SizeOf<{typeInfo.Type.ToDisplayString()}>()";
|
|
}
|
|
}
|
|
|
|
private static string GetTypeFirstNamedAttributeAgument(Compilation compilation, SyntaxNode syntaxNode, string attributeName, string argName)
|
|
{
|
|
ISymbol symbol = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode).Type;
|
|
|
|
foreach (var attribute in symbol.GetAttributes())
|
|
{
|
|
if (attribute.AttributeClass.ToDisplayString() == attributeName)
|
|
{
|
|
foreach (var kv in attribute.NamedArguments)
|
|
{
|
|
if (kv.Key == argName)
|
|
{
|
|
return kv.Value.ToCSharpString();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
private static CommandArgType GetCommandArgType(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
CommandArgType type = CommandArgType.Invalid;
|
|
|
|
if (IsIn(parameter))
|
|
{
|
|
if (IsArgument(compilation, parameter))
|
|
{
|
|
type = CommandArgType.InArgument;
|
|
}
|
|
else if (IsBuffer(compilation, parameter))
|
|
{
|
|
type = CommandArgType.Buffer;
|
|
}
|
|
else if (IsCopyHandle(compilation, parameter))
|
|
{
|
|
type = CommandArgType.InCopyHandle;
|
|
}
|
|
else if (IsMoveHandle(compilation, parameter))
|
|
{
|
|
type = CommandArgType.InMoveHandle;
|
|
}
|
|
else if (IsObject(compilation, parameter))
|
|
{
|
|
type = CommandArgType.InObject;
|
|
}
|
|
else if (IsProcessId(compilation, parameter))
|
|
{
|
|
type = CommandArgType.ProcessId;
|
|
}
|
|
}
|
|
else if (IsOut(parameter))
|
|
{
|
|
if (IsArgument(compilation, parameter))
|
|
{
|
|
type = CommandArgType.OutArgument;
|
|
}
|
|
else if (IsNonSpanOutBuffer(compilation, parameter))
|
|
{
|
|
type = CommandArgType.Buffer;
|
|
}
|
|
else if (IsCopyHandle(compilation, parameter))
|
|
{
|
|
type = CommandArgType.OutCopyHandle;
|
|
}
|
|
else if (IsMoveHandle(compilation, parameter))
|
|
{
|
|
type = CommandArgType.OutMoveHandle;
|
|
}
|
|
else if (IsObject(compilation, parameter))
|
|
{
|
|
type = CommandArgType.OutObject;
|
|
}
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
private static bool IsArgument(Compilation compilation,ParameterSyntax parameter)
|
|
{
|
|
return !IsBuffer(compilation, parameter) &&
|
|
!IsHandle(compilation, parameter) &&
|
|
!IsObject(compilation, parameter) &&
|
|
!IsProcessId(compilation, parameter) &&
|
|
IsUnmanagedType(compilation, parameter.Type);
|
|
}
|
|
|
|
private static bool IsBuffer(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return HasAttribute(compilation, parameter, TypeBufferAttribute) &&
|
|
IsValidTypeForBuffer(compilation, parameter);
|
|
}
|
|
|
|
private static bool IsNonSpanOutBuffer(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return HasAttribute(compilation, parameter, TypeBufferAttribute) &&
|
|
IsUnmanagedType(compilation, parameter.Type);
|
|
}
|
|
|
|
private static bool IsValidTypeForBuffer(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return IsReadOnlySpan(compilation, parameter) ||
|
|
IsSpan(compilation, parameter) ||
|
|
IsUnmanagedType(compilation, parameter.Type);
|
|
}
|
|
|
|
private static bool IsUnmanagedType(Compilation compilation, SyntaxNode syntaxNode)
|
|
{
|
|
TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
|
|
|
|
return typeInfo.Type.IsUnmanagedType;
|
|
}
|
|
|
|
private static bool IsReadOnlySpan(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return GetCanonicalTypeName(compilation, parameter.Type) == TypeSystemReadOnlySpan;
|
|
}
|
|
|
|
private static bool IsSpan(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return GetCanonicalTypeName(compilation, parameter.Type) == TypeSystemSpan;
|
|
}
|
|
|
|
private static bool IsHandle(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return IsCopyHandle(compilation, parameter) || IsMoveHandle(compilation, parameter);
|
|
}
|
|
|
|
private static bool IsCopyHandle(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return HasAttribute(compilation, parameter, TypeCopyHandleAttribute) &&
|
|
GetSpecialTypeName(compilation, parameter.Type) == SpecialType.System_Int32;
|
|
}
|
|
|
|
private static bool IsMoveHandle(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return HasAttribute(compilation, parameter, TypeMoveHandleAttribute) &&
|
|
GetSpecialTypeName(compilation, parameter.Type) == SpecialType.System_Int32;
|
|
}
|
|
|
|
private static bool IsObject(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
SyntaxNode syntaxNode = parameter.Type;
|
|
TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
|
|
|
|
return typeInfo.Type.ToDisplayString() == TypeIServiceObject ||
|
|
typeInfo.Type.AllInterfaces.Any(x => x.ToDisplayString() == TypeIServiceObject);
|
|
}
|
|
|
|
private static bool IsProcessId(Compilation compilation, ParameterSyntax parameter)
|
|
{
|
|
return HasAttribute(compilation, parameter, TypeClientProcessIdAttribute) &&
|
|
GetSpecialTypeName(compilation, parameter.Type) == SpecialType.System_UInt64;
|
|
}
|
|
|
|
private static bool IsIn(ParameterSyntax parameter)
|
|
{
|
|
return !IsOut(parameter);
|
|
}
|
|
|
|
private static bool IsOut(ParameterSyntax parameter)
|
|
{
|
|
return parameter.Modifiers.Any(SyntaxKind.OutKeyword);
|
|
}
|
|
|
|
private static Modifier GetModifier(ParameterSyntax parameter)
|
|
{
|
|
foreach (SyntaxToken syntaxToken in parameter.Modifiers)
|
|
{
|
|
if (syntaxToken.IsKind(SyntaxKind.RefKeyword))
|
|
{
|
|
return Modifier.Ref;
|
|
}
|
|
else if (syntaxToken.IsKind(SyntaxKind.OutKeyword))
|
|
{
|
|
return Modifier.Out;
|
|
}
|
|
else if (syntaxToken.IsKind(SyntaxKind.InKeyword))
|
|
{
|
|
return Modifier.In;
|
|
}
|
|
}
|
|
|
|
return Modifier.None;
|
|
}
|
|
|
|
private static string GenerateSpanCastElement0(string targetType, string input)
|
|
{
|
|
return $"{GenerateSpanCast(targetType, input)}[0]";
|
|
}
|
|
|
|
private static string GenerateSpanCast(string targetType, string input)
|
|
{
|
|
return $"MemoryMarshal.Cast<byte, {targetType}>({input})";
|
|
}
|
|
|
|
private static bool HasAttribute(Compilation compilation, ParameterSyntax parameterSyntax, string fullAttributeName)
|
|
{
|
|
foreach (var attributeList in parameterSyntax.AttributeLists)
|
|
{
|
|
foreach (var attribute in attributeList.Attributes)
|
|
{
|
|
if (GetCanonicalTypeName(compilation, attribute) == fullAttributeName)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static bool NeedsIServiceObjectImplementation(Compilation compilation, ClassDeclarationSyntax classDeclarationSyntax)
|
|
{
|
|
ITypeSymbol type = compilation.GetSemanticModel(classDeclarationSyntax.SyntaxTree).GetDeclaredSymbol(classDeclarationSyntax);
|
|
var serviceObjectInterface = type.AllInterfaces.FirstOrDefault(x => x.ToDisplayString() == TypeIServiceObject);
|
|
var interfaceMember = serviceObjectInterface?.GetMembers().FirstOrDefault(x => x.Name == "GetCommandHandlers");
|
|
|
|
// Return true only if the class implements IServiceObject but does not actually implement the method
|
|
// that the interface defines, since this is the only case we want to handle, if the method already exists
|
|
// we have nothing to do.
|
|
return serviceObjectInterface != null && type.FindImplementationForInterfaceMember(interfaceMember) == null;
|
|
}
|
|
|
|
public void Initialize(GeneratorInitializationContext context)
|
|
{
|
|
context.RegisterForSyntaxNotifications(() => new HipcSyntaxReceiver());
|
|
}
|
|
}
|
|
}
|