internal static MethodInfo GetEntryPointRuntimeMethod(IMethodSymbol entryPoint, Assembly assembly, CancellationToken cancellationToken)
{
string entryPointTypeName = MetadataHelpers.BuildQualifiedName(entryPoint.ContainingNamespace.MetadataName, entryPoint.ContainingType.MetadataName);
string entryPointMethodName = entryPoint.MetadataName;
var entryPointType = assembly.GetType(entryPointTypeName, throwOnError: true, ignoreCase: false).GetTypeInfo();
return(entryPointType.GetDeclaredMethod(entryPointMethodName));
}
private static void AddTopLevelType(
HashSet <string> names,
Cci.INamespaceTypeDefinition type
)
{
names?.Add(
MetadataHelpers.BuildQualifiedName(
type.NamespaceName,
Cci.MetadataWriter.GetMangledName(type)
)
);
}
private bool HasNameConflict(HashSet <string> namesOfTopLevelTypes, TEmbeddedType type, DiagnosticBag diagnostics)
{
Cci.INamespaceTypeDefinition def = type;
if (namesOfTopLevelTypes.Contains(MetadataHelpers.BuildQualifiedName(def.NamespaceName, def.Name)))
{
// ERR_LocalTypeNameClash2/ERR_LocalTypeNameClash
ReportNameCollisionWithAlreadyDeclaredType(type, diagnostics);
return(true);
}
return(false);
}
public static AttributeData GetPhpExtensionAttribute(this Symbol symbol)
{
var attrs = symbol.GetAttributes();
foreach (var a in attrs)
{
var fullname = MetadataHelpers.BuildQualifiedName((a.AttributeClass as NamedTypeSymbol)?.NamespaceName, a.AttributeClass.Name);
if (fullname == CoreTypes.PhpExtensionAttributeFullName)
{
return(a);
}
}
return(null);
}
public static AttributeData GetPhpScriptAttribute(this TypeSymbol symbol)
{
var attrs = symbol.GetAttributes();
for (int i = 0; i < attrs.Length; i++)
{
var a = attrs[i];
var fullname = MetadataHelpers.BuildQualifiedName((a.AttributeClass as NamedTypeSymbol)?.NamespaceName, a.AttributeClass.Name);
if (fullname == CoreTypes.PhpScriptAttributeFullName)
{
return(a);
}
}
return(null);
}
/// <summary>
/// Gets [PhpType] attribute and its parameters.
/// </summary>
public static bool TryGetPhpTypeAttribute(this TypeSymbol symbol, out string typename, out string filename)
{
var attrs = symbol.GetAttributes();
for (int i = 0; i < attrs.Length; i++)
{
var a = attrs[i];
var fullname = MetadataHelpers.BuildQualifiedName((a.AttributeClass as NamedTypeSymbol)?.NamespaceName, a.AttributeClass.Name);
if (fullname == CoreTypes.PhpTypeAttributeFullName)
{
var args = a.CommonConstructorArguments;
typename = (string)args[0].Value;
filename = (string)args[1].Value;
return(true);
}
}
//
typename = filename = null;
return(false);
}
/// <summary>
/// Create symbols for nested types and initialize types map.
/// </summary>
protected void LazyInitializeTypes(IEnumerable <IGrouping <string, TypeDefinitionHandle> > typeGroups)
{
if (_types == null)
{
var moduleSymbol = ContainingPEModule;
var children = ArrayBuilder <NamedTypeSymbol> .GetInstance();
var skipCheckForPiaType = !moduleSymbol.Module.ContainsNoPiaLocalTypes();
foreach (var g in typeGroups)
{
foreach (var t in g)
{
if (skipCheckForPiaType || !moduleSymbol.Module.IsNoPiaLocalType(t))
{
children.Add(PENamedTypeSymbol.Create(moduleSymbol, this, t, g.Key));
}
else
{
// Pia ignored
}
}
}
var typesDict = children.ToDictionary(c => MetadataHelpers.BuildQualifiedName(c.NamespaceName, c.Name));
children.Free();
//if (noPiaLocalTypes != null)
//{
// Interlocked.CompareExchange(ref _lazyNoPiaLocalTypes, noPiaLocalTypes, null);
//}
Interlocked.CompareExchange(ref _types, typesDict, null);
}
}
/// <summary>
/// Emits the compilation into given <see cref="ModuleBuilder"/> using Reflection.Emit APIs.
/// </summary>
/// <param name="compilation">Compilation.</param>
/// <param name="cancellationToken">Can be used to cancel the emit process.</param>
/// <param name="compiledAssemblyImage">Assembly image, returned only if we fallback to CCI writer.</param>
/// <param name="entryPointTypeName">An entry point or null on failure.</param>
/// <param name="entryPointMethodName">An entry point or null on failure.</param>
/// <param name="diagnostics">Diagnostics.</param>
/// <returns>True on success, false if a compilation error occurred or the compilation doesn't contain any code or declarations.</returns>
/// <exception cref="InvalidOperationException">Referenced assembly can't be resolved.</exception>
internal static bool Emit(
this Compilation compilation,
DiagnosticBag diagnostics,
out string entryPointTypeName,
out string entryPointMethodName,
out byte[] compiledAssemblyImage,
CancellationToken cancellationToken)
{
compiledAssemblyImage = null;
var moduleBeingBuilt = compilation.CreateModuleBuilder(
emitOptions: EmitOptions.Default,
manifestResources: null,
testData: null,
diagnostics: diagnostics,
cancellationToken: cancellationToken);
if (moduleBeingBuilt == null)
{
entryPointTypeName = null;
entryPointMethodName = null;
return(false);
}
if (!compilation.Compile(
moduleBeingBuilt,
win32Resources: null,
xmlDocStream: null,
emittingPdb: false,
diagnostics: diagnostics,
filterOpt: null,
cancellationToken: cancellationToken))
{
entryPointTypeName = null;
entryPointMethodName = null;
return(false);
}
cancellationToken.ThrowIfCancellationRequested();
DiagnosticBag metadataDiagnostics = DiagnosticBag.GetInstance();
var context = new EmitContext((Cci.IModule)moduleBeingBuilt, null, metadataDiagnostics);
using (var stream = new System.IO.MemoryStream())
{
Cci.PeWriter.WritePeToStream(
context,
compilation.MessageProvider,
() => stream,
nativePdbWriterOpt: null,
pdbPathOpt: null,
allowMissingMethodBodies: false,
deterministic: false,
cancellationToken: cancellationToken);
compiledAssemblyImage = stream.ToArray();
}
var containingType = (Cci.INamespaceTypeReference)moduleBeingBuilt.EntryPoint.GetContainingType(context);
entryPointTypeName = MetadataHelpers.BuildQualifiedName(containingType.NamespaceName, Cci.MetadataWriter.GetMangledName(containingType));
entryPointMethodName = moduleBeingBuilt.EntryPoint.Name;
// translate metadata errors.
return(compilation.FilterAndAppendAndFreeDiagnostics(diagnostics, ref metadataDiagnostics));
}
static void AddTopLevelType(HashSet <string> names, Cci.INamespaceTypeDefinition type) // _namesOfTopLevelTypes are only used to generated exported types, which are not emitted in EnC deltas (hence generation 0): => names?.Add(MetadataHelpers.BuildQualifiedName(type.NamespaceName, Cci.MetadataWriter.GetMangledName(type, generation: 0)));