mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-17 12:06:39 +00:00
4d2c8e2a44
* Prepo: Fix SaveSystemReport IPC definitions * Follow original code * Fix args index in HipcGenerator * Addresses feedback * oops
759 lines
32 KiB
C#
759 lines
32 KiB
C#
using Microsoft.CodeAnalysis;
|
|
using Microsoft.CodeAnalysis.CSharp;
|
|
using Microsoft.CodeAnalysis.CSharp.Syntax;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
|
|
namespace Ryujinx.Horizon.Generators.Hipc
|
|
{
|
|
[Generator]
|
|
class HipcGenerator : ISourceGenerator
|
|
{
|
|
private const string ArgVariablePrefix = "arg";
|
|
private const string ResultVariableName = "result";
|
|
private const string IsBufferMapAliasVariableName = "isBufferMapAlias";
|
|
private const string InObjectsVariableName = "inObjects";
|
|
private const string OutObjectsVariableName = "outObjects";
|
|
private const string ResponseVariableName = "response";
|
|
private const string OutRawDataVariableName = "outRawData";
|
|
|
|
private const string TypeSystemReadOnlySpan = "System.ReadOnlySpan";
|
|
private const string TypeSystemSpan = "System.Span";
|
|
private const string TypeStructLayoutAttribute = "System.Runtime.InteropServices.StructLayoutAttribute";
|
|
|
|
public const string CommandAttributeName = "CmifCommandAttribute";
|
|
|
|
private const string TypeResult = "Ryujinx.Horizon.Common.Result";
|
|
private const string TypeBufferAttribute = "Ryujinx.Horizon.Sdk.Sf.BufferAttribute";
|
|
private const string TypeCopyHandleAttribute = "Ryujinx.Horizon.Sdk.Sf.CopyHandleAttribute";
|
|
private const string TypeMoveHandleAttribute = "Ryujinx.Horizon.Sdk.Sf.MoveHandleAttribute";
|
|
private const string TypeClientProcessIdAttribute = "Ryujinx.Horizon.Sdk.Sf.ClientProcessIdAttribute";
|
|
private const string TypeCommandAttribute = "Ryujinx.Horizon.Sdk.Sf." + CommandAttributeName;
|
|
private const string TypeIServiceObject = "Ryujinx.Horizon.Sdk.Sf.IServiceObject";
|
|
|
|
private enum Modifier
|
|
{
|
|
None,
|
|
Ref,
|
|
Out,
|
|
In
|
|
}
|
|
|
|
private struct OutParameter
|
|
{
|
|
public readonly string Name;
|
|
public readonly string TypeName;
|
|
public readonly int Index;
|
|
public readonly CommandArgType Type;
|
|
|
|
public OutParameter(string name, string typeName, int index, CommandArgType type)
|
|
{
|
|
Name = name;
|
|
TypeName = typeName;
|
|
Index = index;
|
|
Type = type;
|
|
}
|
|
}
|
|
|
|
public void Execute(GeneratorExecutionContext context)
|
|
{
|
|
HipcSyntaxReceiver syntaxReceiver = (HipcSyntaxReceiver)context.SyntaxReceiver;
|
|
|
|
foreach (var commandInterface in syntaxReceiver.CommandInterfaces)
|
|
{
|
|
if (!NeedsIServiceObjectImplementation(context.Compilation, commandInterface.ClassDeclarationSyntax))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
CodeGenerator generator = new CodeGenerator();
|
|
string className = commandInterface.ClassDeclarationSyntax.Identifier.ToString();
|
|
|
|
generator.AppendLine("using Ryujinx.Horizon.Common;");
|
|
generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf;");
|
|
generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf.Cmif;");
|
|
generator.AppendLine("using Ryujinx.Horizon.Sdk.Sf.Hipc;");
|
|
generator.AppendLine("using System;");
|
|
generator.AppendLine("using System.Collections.Generic;");
|
|
generator.AppendLine("using System.Runtime.CompilerServices;");
|
|
generator.AppendLine("using System.Runtime.InteropServices;");
|
|
generator.AppendLine();
|
|
generator.EnterScope($"namespace {GetNamespaceName(commandInterface.ClassDeclarationSyntax)}");
|
|
generator.EnterScope($"partial class {className}");
|
|
|
|
GenerateMethodTable(generator, context.Compilation, commandInterface);
|
|
|
|
foreach (var method in commandInterface.CommandImplementations)
|
|
{
|
|
generator.AppendLine();
|
|
|
|
GenerateMethod(generator, context.Compilation, method);
|
|
}
|
|
|
|
generator.LeaveScope();
|
|
generator.LeaveScope();
|
|
|
|
context.AddSource($"{className}.g.cs", generator.ToString());
|
|
}
|
|
}
|
|
|
|
private static string GetNamespaceName(SyntaxNode syntaxNode)
|
|
{
|
|
while (syntaxNode != null && !(syntaxNode is NamespaceDeclarationSyntax))
|
|
{
|
|
syntaxNode = syntaxNode.Parent;
|
|
}
|
|
|
|
if (syntaxNode == null)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
return ((NamespaceDeclarationSyntax)syntaxNode).Name.ToString();
|
|
}
|
|
|
|
private static void GenerateMethodTable(CodeGenerator generator, Compilation compilation, CommandInterface commandInterface)
|
|
{
|
|
generator.EnterScope($"public IReadOnlyDictionary<int, CommandHandler> GetCommandHandlers()");
|
|
generator.EnterScope($"return new Dictionary<int, CommandHandler>()");
|
|
|
|
foreach (var method in commandInterface.CommandImplementations)
|
|
{
|
|
foreach (var commandId in GetAttributeAguments(compilation, method, TypeCommandAttribute, 0))
|
|
{
|
|
string[] args = new string[method.ParameterList.Parameters.Count];
|
|
|
|
if (args.Length == 0)
|
|
{
|
|
generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, Array.Empty<CommandArg>()) }},");
|
|
}
|
|
else
|
|
{
|
|
int index = 0;
|
|
|
|
foreach (var parameter in method.ParameterList.Parameters)
|
|
{
|
|
string canonicalTypeName = GetCanonicalTypeNameWithGenericArguments(compilation, parameter.Type);
|
|
CommandArgType argType = GetCommandArgType(compilation, parameter);
|
|
|
|
string arg;
|
|
|
|
if (argType == CommandArgType.Buffer)
|
|
{
|
|
string bufferFlags = GetFirstAttributeAgument(compilation, parameter, TypeBufferAttribute, 0);
|
|
string bufferFixedSize = GetFirstAttributeAgument(compilation, parameter, TypeBufferAttribute, 1);
|
|
|
|
if (bufferFixedSize != null)
|
|
{
|
|
arg = $"new CommandArg({bufferFlags}, {bufferFixedSize})";
|
|
}
|
|
else
|
|
{
|
|
arg = $"new CommandArg({bufferFlags})";
|
|
}
|
|
}
|
|
else if (argType == CommandArgType.InArgument || argType == CommandArgType.OutArgument)
|
|
{
|
|
string alignment = GetTypeAlignmentExpression(compilation, parameter.Type);
|
|
|
|
arg = $"new CommandArg(CommandArgType.{argType}, Unsafe.SizeOf<{canonicalTypeName}>(), {alignment})";
|
|
}
|
|
else
|
|
{
|
|
arg = $"new CommandArg(CommandArgType.{argType})";
|
|
}
|
|
|
|
args[index++] = arg;
|
|
}
|
|
|
|
generator.AppendLine($"{{ {commandId}, new CommandHandler({method.Identifier.Text}, {string.Join(", ", args)}) }},");
|
|
}
|
|
}
|
|
}
|
|
|
|
generator.LeaveScope(";");
|
|
generator.LeaveScope();
|
|
}
|
|
|
|
private static IEnumerable<string> GetAttributeAguments(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
|
|
{
|
|
ISymbol symbol = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetDeclaredSymbol(syntaxNode);
|
|
|
|
foreach (var attribute in symbol.GetAttributes())
|
|
{
|
|
if (attribute.AttributeClass.ToDisplayString() == attributeName && (uint)argIndex < (uint)attribute.ConstructorArguments.Length)
|
|
{
|
|
yield return attribute.ConstructorArguments[argIndex].ToCSharpString();
|
|
}
|
|
}
|
|
}
|
|
|
|
private static string GetFirstAttributeAgument(Compilation compilation, SyntaxNode syntaxNode, string attributeName, int argIndex)
|
|
{
|
|
return GetAttributeAguments(compilation, syntaxNode, attributeName, argIndex).FirstOrDefault();
|
|
}
|
|
|
|
private static void GenerateMethod(CodeGenerator generator, Compilation compilation, MethodDeclarationSyntax method)
|
|
{
|
|
int inObjectsCount = 0;
|
|
int outObjectsCount = 0;
|
|
int buffersCount = 0;
|
|
|
|
foreach (var parameter in method.ParameterList.Parameters)
|
|
{
|
|
if (IsObject(compilation, parameter))
|
|
{
|
|
if (IsIn(parameter))
|
|
{
|
|
inObjectsCount++;
|
|
}
|
|
else
|
|
{
|
|
outObjectsCount++;
|
|
}
|
|
}
|
|
else if (IsBuffer(compilation, parameter))
|
|
{
|
|
buffersCount++;
|
|
}
|
|
}
|
|
|
|
generator.EnterScope($"private Result {method.Identifier.Text}(" +
|
|
"ref ServiceDispatchContext context, " +
|
|
"HipcCommandProcessor processor, " +
|
|
"ServerMessageRuntimeMetadata runtimeMetadata, " +
|
|
"ReadOnlySpan<byte> inRawData, " +
|
|
"ref Span<CmifOutHeader> outHeader)");
|
|
|
|
bool returnsResult = method.ReturnType != null && GetCanonicalTypeName(compilation, method.ReturnType) == TypeResult;
|
|
|
|
if (returnsResult || buffersCount != 0 || inObjectsCount != 0)
|
|
{
|
|
generator.AppendLine($"Result {ResultVariableName};");
|
|
|
|
if (buffersCount != 0)
|
|
{
|
|
generator.AppendLine($"bool[] {IsBufferMapAliasVariableName} = new bool[{method.ParameterList.Parameters.Count}];");
|
|
generator.AppendLine();
|
|
|
|
generator.AppendLine($"{ResultVariableName} = processor.ProcessBuffers(ref context, {IsBufferMapAliasVariableName}, runtimeMetadata);");
|
|
generator.EnterScope($"if ({ResultVariableName}.IsFailure)");
|
|
generator.AppendLine($"return {ResultVariableName};");
|
|
generator.LeaveScope();
|
|
}
|
|
|
|
generator.AppendLine();
|
|
}
|
|
|
|
List<OutParameter> outParameters = new List<OutParameter>();
|
|
|
|
string[] args = new string[method.ParameterList.Parameters.Count];
|
|
|
|
if (inObjectsCount != 0)
|
|
{
|
|
generator.AppendLine($"var {InObjectsVariableName} = new IServiceObject[{inObjectsCount}];");
|
|
generator.AppendLine();
|
|
|
|
generator.AppendLine($"{ResultVariableName} = processor.GetInObjects(context.Processor, {InObjectsVariableName});");
|
|
generator.EnterScope($"if ({ResultVariableName}.IsFailure)");
|
|
generator.AppendLine($"return {ResultVariableName};");
|
|
generator.LeaveScope();
|
|
generator.AppendLine();
|
|
}
|
|
|
|
if (outObjectsCount != 0)
|
|
{
|
|
generator.AppendLine($"var {OutObjectsVariableName} = new IServiceObject[{outObjectsCount}];");
|
|
}
|
|
|
|
int index = 0;
|
|
int inArgIndex = 0;
|
|
int outArgIndex = 0;
|
|
int inCopyHandleIndex = 0;
|
|
int inMoveHandleIndex = 0;
|
|
int inObjectIndex = 0;
|
|
|
|
foreach (var parameter in method.ParameterList.Parameters)
|
|
{
|
|
string name = parameter.Identifier.Text;
|
|
string argName = GetPrefixedArgName(name);
|
|
string canonicalTypeName = GetCanonicalTypeNameWithGenericArguments(compilation, parameter.Type);
|
|
CommandArgType argType = GetCommandArgType(compilation, parameter);
|
|
Modifier modifier = GetModifier(parameter);
|
|
bool isNonSpanBuffer = false;
|
|
|
|
if (modifier == Modifier.Out)
|
|
{
|
|
if (IsNonSpanOutBuffer(compilation, parameter))
|
|
{
|
|
generator.AppendLine($"using var {argName} = CommandSerialization.GetWritableRegion(processor.GetBufferRange({outArgIndex++}));");
|
|
|
|
argName = $"out {GenerateSpanCastElement0(canonicalTypeName, $"{argName}.Memory.Span")}";
|
|
}
|
|
else
|
|
{
|
|
outParameters.Add(new OutParameter(argName, canonicalTypeName, index, argType));
|
|
|
|
argName = $"out {canonicalTypeName} {argName}";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
string value = $"default({canonicalTypeName})";
|
|
|
|
switch (argType)
|
|
{
|
|
case CommandArgType.InArgument:
|
|
value = $"CommandSerialization.DeserializeArg<{canonicalTypeName}>(inRawData, processor.GetInArgOffset({inArgIndex++}))";
|
|
break;
|
|
case CommandArgType.InCopyHandle:
|
|
value = $"CommandSerialization.DeserializeCopyHandle(ref context, {inCopyHandleIndex++})";
|
|
break;
|
|
case CommandArgType.InMoveHandle:
|
|
value = $"CommandSerialization.DeserializeMoveHandle(ref context, {inMoveHandleIndex++})";
|
|
break;
|
|
case CommandArgType.ProcessId:
|
|
value = "CommandSerialization.DeserializeClientProcessId(ref context)";
|
|
break;
|
|
case CommandArgType.InObject:
|
|
value = $"{InObjectsVariableName}[{inObjectIndex++}]";
|
|
break;
|
|
case CommandArgType.Buffer:
|
|
if (IsReadOnlySpan(compilation, parameter))
|
|
{
|
|
string spanGenericTypeName = GetCanonicalTypeNameOfGenericArgument(compilation, parameter.Type, 0);
|
|
value = GenerateSpanCast(spanGenericTypeName, $"CommandSerialization.GetReadOnlySpan(processor.GetBufferRange({index}))");
|
|
}
|
|
else if (IsSpan(compilation, parameter))
|
|
{
|
|
value = $"CommandSerialization.GetWritableRegion(processor.GetBufferRange({index}))";
|
|
}
|
|
else
|
|
{
|
|
value = $"CommandSerialization.GetRef<{canonicalTypeName}>(processor.GetBufferRange({index}))";
|
|
isNonSpanBuffer = true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (IsSpan(compilation, parameter))
|
|
{
|
|
generator.AppendLine($"using var {argName} = {value};");
|
|
|
|
string spanGenericTypeName = GetCanonicalTypeNameOfGenericArgument(compilation, parameter.Type, 0);
|
|
argName = GenerateSpanCast(spanGenericTypeName, $"{argName}.Memory.Span"); ;
|
|
}
|
|
else if (isNonSpanBuffer)
|
|
{
|
|
generator.AppendLine($"ref var {argName} = ref {value};");
|
|
}
|
|
else if (argType == CommandArgType.InObject)
|
|
{
|
|
generator.EnterScope($"if (!({value} is {canonicalTypeName} {argName}))");
|
|
generator.AppendLine("return SfResult.InvalidInObject;");
|
|
generator.LeaveScope();
|
|
}
|
|
else
|
|
{
|
|
generator.AppendLine($"var {argName} = {value};");
|
|
}
|
|
}
|
|
|
|
if (modifier == Modifier.Ref)
|
|
{
|
|
argName = $"ref {argName}";
|
|
}
|
|
else if (modifier == Modifier.In)
|
|
{
|
|
argName = $"in {argName}";
|
|
}
|
|
|
|
args[index++] = argName;
|
|
}
|
|
|
|
if (args.Length - outParameters.Count > 0)
|
|
{
|
|
generator.AppendLine();
|
|
}
|
|
|
|
if (returnsResult)
|
|
{
|
|
generator.AppendLine($"{ResultVariableName} = {method.Identifier.Text}({string.Join(", ", args)});");
|
|
generator.AppendLine();
|
|
|
|
generator.AppendLine($"Span<byte> {OutRawDataVariableName};");
|
|
generator.AppendLine();
|
|
|
|
generator.EnterScope($"if ({ResultVariableName}.IsFailure)");
|
|
generator.AppendLine($"context.Processor.PrepareForErrorReply(ref context, out {OutRawDataVariableName}, runtimeMetadata);");
|
|
generator.AppendLine($"CommandHandler.GetCmifOutHeaderPointer(ref outHeader, ref {OutRawDataVariableName});");
|
|
generator.AppendLine($"return {ResultVariableName};");
|
|
generator.LeaveScope();
|
|
}
|
|
else
|
|
{
|
|
generator.AppendLine($"{method.Identifier.Text}({string.Join(", ", args)});");
|
|
|
|
generator.AppendLine();
|
|
generator.AppendLine($"Span<byte> {OutRawDataVariableName};");
|
|
}
|
|
|
|
generator.AppendLine();
|
|
|
|
generator.AppendLine($"var {ResponseVariableName} = context.Processor.PrepareForReply(ref context, out {OutRawDataVariableName}, runtimeMetadata);");
|
|
generator.AppendLine($"CommandHandler.GetCmifOutHeaderPointer(ref outHeader, ref {OutRawDataVariableName});");
|
|
generator.AppendLine();
|
|
|
|
generator.EnterScope($"if ({OutRawDataVariableName}.Length < processor.OutRawDataSize)");
|
|
generator.AppendLine("return SfResult.InvalidOutRawSize;");
|
|
generator.LeaveScope();
|
|
|
|
if (outParameters.Count != 0)
|
|
{
|
|
generator.AppendLine();
|
|
|
|
int outCopyHandleIndex = 0;
|
|
int outMoveHandleIndex = outObjectsCount;
|
|
int outObjectIndex = 0;
|
|
|
|
for (int outIndex = 0; outIndex < outParameters.Count; outIndex++)
|
|
{
|
|
OutParameter outParameter = outParameters[outIndex];
|
|
|
|
switch (outParameter.Type)
|
|
{
|
|
case CommandArgType.OutArgument:
|
|
generator.AppendLine($"CommandSerialization.SerializeArg<{outParameter.TypeName}>({OutRawDataVariableName}, processor.GetOutArgOffset({outParameter.Index}), {outParameter.Name});");
|
|
break;
|
|
case CommandArgType.OutCopyHandle:
|
|
generator.AppendLine($"CommandSerialization.SerializeCopyHandle({ResponseVariableName}, {outCopyHandleIndex++}, {outParameter.Name});");
|
|
break;
|
|
case CommandArgType.OutMoveHandle:
|
|
generator.AppendLine($"CommandSerialization.SerializeMoveHandle({ResponseVariableName}, {outMoveHandleIndex++}, {outParameter.Name});");
|
|
break;
|
|
case CommandArgType.OutObject:
|
|
generator.AppendLine($"{OutObjectsVariableName}[{outObjectIndex++}] = {outParameter.Name};");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
generator.AppendLine();
|
|
|
|
if (outObjectsCount != 0 || buffersCount != 0)
|
|
{
|
|
if (outObjectsCount != 0)
|
|
{
|
|
generator.AppendLine($"processor.SetOutObjects(ref context, {ResponseVariableName}, {OutObjectsVariableName});");
|
|
}
|
|
|
|
if (buffersCount != 0)
|
|
{
|
|
generator.AppendLine($"processor.SetOutBuffers({ResponseVariableName}, {IsBufferMapAliasVariableName});");
|
|
}
|
|
|
|
generator.AppendLine();
|
|
}
|
|
|
|
generator.AppendLine("return Result.Success;");
|
|
generator.LeaveScope();
|
|
}
|
|
|
|
private static string GetPrefixedArgName(string name)
|
|
{
|
|
return ArgVariablePrefix + name[0].ToString().ToUpperInvariant() + name.Substring(1);
|
|
}
|
|
|
|
private static string GetCanonicalTypeNameOfGenericArgument(Compilation compilation, SyntaxNode syntaxNode, int argIndex)
|
|
{
|
|
if (syntaxNode is GenericNameSyntax genericNameSyntax)
|
|
{
|
|
if ((uint)argIndex < (uint)genericNameSyntax.TypeArgumentList.Arguments.Count)
|
|
{
|
|
return GetCanonicalTypeNameWithGenericArguments(compilation, genericNameSyntax.TypeArgumentList.Arguments[argIndex]);
|
|
}
|
|
}
|
|
|
|
return GetCanonicalTypeName(compilation, syntaxNode);
|
|
}
|
|
|
|
private static string GetCanonicalTypeNameWithGenericArguments(Compilation compilation, SyntaxNode syntaxNode)
|
|
{
|
|
TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
|
|
|
|
return typeInfo.Type.ToDisplayString();
|
|
}
|
|
|
|
private static string GetCanonicalTypeName(Compilation compilation, SyntaxNode syntaxNode)
|
|
{
|
|
TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
|
|
string typeName = typeInfo.Type.ToDisplayString();
|
|
|
|
int genericArgsStartIndex = typeName.IndexOf('<');
|
|
if (genericArgsStartIndex >= 0)
|
|
{
|
|
return typeName.Substring(0, genericArgsStartIndex);
|
|
}
|
|
|
|
return typeName;
|
|
}
|
|
|
|
private static SpecialType GetSpecialTypeName(Compilation compilation, SyntaxNode syntaxNode)
|
|
{
|
|
TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
|
|
|
|
return typeInfo.Type.SpecialType;
|
|
}
|
|
|
|
private static string GetTypeAlignmentExpression(Compilation compilation, SyntaxNode syntaxNode)
|
|
{
|
|
TypeInfo typeInfo = compilation.GetSemanticModel(syntaxNode.SyntaxTree).GetTypeInfo(syntaxNode);
|
|
|
|
// Since there's no way to get the alignment for a arbitrary type here, let's assume that all
|
|
// "special" types are primitive types aligned to their own length.
|
|
// Otherwise, assume that the type is a custom struct, that either defines an explicit alignment
|
|
// or has an alignment of 1 which is the lowest possible value.
|
|
if (typeInfo.Type.SpecialType == SpecialType.None)
|
|
{
|
|
string pack = GetTypeFirstNamedAttributeAgument(compilation, syntaxNode, TypeStructLayoutAttribute, "Pack");
|
|
|
|
return pack ?? "1";
|
|
}
|
|
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());
|
|
}
|
|
}
|
|
}
|