private void SerializeImport(BlobBuilder writer, UsedNamespaceOrType import)
{
if (import.TargetXmlNamespaceOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
Debug.Assert(import.TargetTypeOpt == null);
// <import> ::= ImportXmlNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportXmlNamespace);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.TargetXmlNamespaceOpt)));
}
else if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
if (import.AliasOpt != null)
{
// <import> ::= AliasType <alias> <target-type>
writer.WriteByte((byte)ImportDefinitionKind.AliasType);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
else
{
// <import> ::= ImportType <target-type>
writer.WriteByte((byte)ImportDefinitionKind.ImportType);
}
writer.WriteCompressedInteger(CodedIndex.TypeDefOrRefOrSpec(GetTypeHandle(import.TargetTypeOpt))); // TODO: index in release build
}
else if (import.TargetNamespaceOpt != null)
{
if (import.TargetAssemblyOpt != null)
{
if (import.AliasOpt != null)
{
// <import> ::= AliasAssemblyNamespace <alias> <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasAssemblyNamespace);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
else
{
// <import> ::= ImportAssemblyNamespace <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyNamespace);
}
writer.WriteCompressedInteger(MetadataTokens.GetRowNumber(GetAssemblyReferenceHandle(import.TargetAssemblyOpt)));
}
else
{
if (import.AliasOpt != null)
{
// <import> ::= AliasNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasNamespace);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
else
{
// <import> ::= ImportNamespace <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportNamespace);
}
}
// TODO: cache?
string namespaceName = TypeNameSerializer.BuildQualifiedNamespaceName(import.TargetNamespaceOpt);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(namespaceName)));
}
else
{
// <import> ::= ImportReferenceAlias <alias>
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetAssemblyOpt == null);
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyReferenceAlias);
writer.WriteCompressedInteger(MetadataTokens.GetHeapOffset(_debugMetadataOpt.GetOrAddBlobUTF8(import.AliasOpt)));
}
}
private string TryEncodeImport(UsedNamespaceOrType import, HashSet<string> declaredExternAliasesOpt, bool isProjectLevel)
{
// NOTE: Dev12 has related cases "I" and "O" in EMITTER::ComputeDebugNamespace,
// but they were probably implementation details that do not affect Roslyn.
if (Module.GenerateVisualBasicStylePdb)
{
// VB doesn't support extern aliases
Debug.Assert(import.TargetAssemblyOpt == null);
Debug.Assert(declaredExternAliasesOpt == null);
if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
// Native compiler doesn't write imports with generic types to PDB.
if (import.TargetTypeOpt.IsTypeSpecification())
{
return null;
}
string typeName = GetOrCreateSerializedTypeName(import.TargetTypeOpt);
if (import.AliasOpt != null)
{
return (isProjectLevel ? "@PA:" : "@FA:") + import.AliasOpt + "=" + typeName;
}
else
{
return (isProjectLevel ? "@PT:" : "@FT:") + typeName;
}
}
if (import.TargetNamespaceOpt != null)
{
string namespaceName = GetOrCreateSerializedNamespaceName(import.TargetNamespaceOpt);
if (import.AliasOpt == null)
{
return (isProjectLevel ? "@P:" : "@F:") + namespaceName;
}
else
{
return (isProjectLevel ? "@PA:" : "@FA:") + import.AliasOpt + "=" + namespaceName;
}
}
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetXmlNamespaceOpt != null);
return (isProjectLevel ? "@PX:" : "@FX:") + import.AliasOpt + "=" + import.TargetXmlNamespaceOpt;
}
Debug.Assert(import.TargetXmlNamespaceOpt == null);
if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
string typeName = GetOrCreateSerializedTypeName(import.TargetTypeOpt);
return (import.AliasOpt != null) ?
"A" + import.AliasOpt + " T" + typeName :
"T" + typeName;
}
if (import.TargetNamespaceOpt != null)
{
string namespaceName = GetOrCreateSerializedNamespaceName(import.TargetNamespaceOpt);
if (import.AliasOpt != null)
{
return (import.TargetAssemblyOpt != null) ?
"A" + import.AliasOpt + " E" + namespaceName + " " + GetAssemblyReferenceAlias(import.TargetAssemblyOpt, declaredExternAliasesOpt) :
"A" + import.AliasOpt + " U" + namespaceName;
}
else
{
return (import.TargetAssemblyOpt != null) ?
"E" + namespaceName + " " + GetAssemblyReferenceAlias(import.TargetAssemblyOpt, declaredExternAliasesOpt) :
"U" + namespaceName;
}
}
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetAssemblyOpt == null);
return "X" + import.AliasOpt;
}
private string TryEncodeImport(UsedNamespaceOrType import, HashSet <string> declaredExternAliasesOpt, bool isProjectLevel)
{
// NOTE: Dev12 has related cases "I" and "O" in EMITTER::ComputeDebugNamespace,
// but they were probably implementation details that do not affect roslyn.
if (Module.GenerateVisualBasicStylePdb)
{
// VB doesn't support extern aliases
Debug.Assert(import.TargetAssemblyOpt == null);
Debug.Assert(declaredExternAliasesOpt == null);
if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
// Native compiler doesn't write imports with generic types to PDB.
if (import.TargetTypeOpt.IsTypeSpecification())
{
return(null);
}
string typeName = GetOrCreateSerializedTypeName(import.TargetTypeOpt);
if (import.AliasOpt != null)
{
return((isProjectLevel ? "@PA:" : "@FA:") + import.AliasOpt + "=" + typeName);
}
else
{
return((isProjectLevel ? "@PT:" : "@FT:") + typeName);
}
}
if (import.TargetNamespaceOpt != null)
{
string namespaceName = GetOrCreateSerializedNamespaceName(import.TargetNamespaceOpt);
if (import.AliasOpt == null)
{
return((isProjectLevel ? "@P:" : "@F:") + namespaceName);
}
else
{
return((isProjectLevel ? "@PA:" : "@FA:") + import.AliasOpt + "=" + namespaceName);
}
}
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetXmlNamespaceOpt != null);
return((isProjectLevel ? "@PX:" : "@FX:") + import.AliasOpt + "=" + import.TargetXmlNamespaceOpt);
}
Debug.Assert(import.TargetXmlNamespaceOpt == null);
if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
string typeName = GetOrCreateSerializedTypeName(import.TargetTypeOpt);
return((import.AliasOpt != null) ?
"A" + import.AliasOpt + " T" + typeName :
"T" + typeName);
}
if (import.TargetNamespaceOpt != null)
{
string namespaceName = GetOrCreateSerializedNamespaceName(import.TargetNamespaceOpt);
if (import.AliasOpt != null)
{
return((import.TargetAssemblyOpt != null) ?
"A" + import.AliasOpt + " E" + namespaceName + " " + GetAssemblyReferenceAlias(import.TargetAssemblyOpt, declaredExternAliasesOpt) :
"A" + import.AliasOpt + " U" + namespaceName);
}
else
{
return((import.TargetAssemblyOpt != null) ?
"E" + namespaceName + " " + GetAssemblyReferenceAlias(import.TargetAssemblyOpt, declaredExternAliasesOpt) :
"U" + namespaceName);
}
}
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetAssemblyOpt == null);
return("X" + import.AliasOpt);
}
private void SerializeImport(BlobBuilder writer, UsedNamespaceOrType import)
{
if (import.TargetXmlNamespaceOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
Debug.Assert(import.TargetTypeOpt == null);
// <import> ::= ImportXmlNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportXmlNamespace);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.TargetXmlNamespaceOpt)));
}
else if (import.TargetTypeOpt != null)
{
Debug.Assert(import.TargetNamespaceOpt == null);
Debug.Assert(import.TargetAssemblyOpt == null);
if (import.AliasOpt != null)
{
// <import> ::= AliasType <alias> <target-type>
writer.WriteByte((byte)ImportDefinitionKind.AliasType);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
else
{
// <import> ::= ImportType <target-type>
writer.WriteByte((byte)ImportDefinitionKind.ImportType);
}
writer.WriteCompressedInteger(GetTypeDefOrRefCodedIndex(import.TargetTypeOpt, treatRefAsPotentialTypeSpec: true)); // TODO: index in release build
}
else if (import.TargetNamespaceOpt != null)
{
if (import.TargetAssemblyOpt != null)
{
if (import.AliasOpt != null)
{
// <import> ::= AliasAssemblyNamespace <alias> <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasAssemblyNamespace);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
else
{
// <import> ::= ImportAssemblyNamespace <target-assembly> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyNamespace);
}
writer.WriteCompressedInteger((uint)GetAssemblyRefIndex(import.TargetAssemblyOpt));
}
else
{
if (import.AliasOpt != null)
{
// <import> ::= AliasNamespace <alias> <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.AliasNamespace);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
else
{
// <import> ::= ImportNamespace <target-namespace>
writer.WriteByte((byte)ImportDefinitionKind.ImportNamespace);
}
}
// TODO: cache?
string namespaceName = TypeNameSerializer.BuildQualifiedNamespaceName(import.TargetNamespaceOpt);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(namespaceName)));
}
else
{
// <import> ::= ImportReferenceAlias <alias>
Debug.Assert(import.AliasOpt != null);
Debug.Assert(import.TargetAssemblyOpt == null);
writer.WriteByte((byte)ImportDefinitionKind.ImportAssemblyReferenceAlias);
writer.WriteCompressedInteger((uint)_debugHeapsOpt.ResolveBlobIndex(_debugHeapsOpt.GetBlobIndexUtf8(import.AliasOpt)));
}
}