internal static FileReference Load(Module module, int rid)
{
var image = module.Image;
var file = image.FileSignatures[rid - 1];
if (file != null)
{
return(file);
}
FileRow row;
image.GetFile(rid, out row);
file = new FileReference();
file._name = image.GetString(row.Name);
file._hashValue = image.GetBlob(row.HashValue);
file._containsMetadata = (row.Flags == FileFlags.ContainsMetaData);
module.AddSignature(ref file);
image.FileSignatures[rid - 1] = file;
return(file);
}
internal static AssemblyReference LoadDef(Module module)
{
var image = module.Image;
var assemblyRef = image.AssemblyDefSignature;
if (assemblyRef == null)
{
return(assemblyRef);
}
AssemblyRow row;
image.GetAssembly(1, out row);
assemblyRef = new AssemblyReference();
assemblyRef._name = image.GetString(row.Name);
assemblyRef._culture = image.GetString(row.Locale);
assemblyRef._processorArchitecture = (ProcessorArchitecture)((int)(row.Flags & AssemblyFlags.PA_Mask) >> (int)AssemblyFlags.PA_Shift);
assemblyRef._version = new Version(row.MajorVersion, row.MinorVersion, row.BuildNumber, row.RevisionNumber);
var publicKey = image.GetBlob(row.PublicKey);
if (publicKey != null && publicKey.Length > 0)
{
assemblyRef._publicKeyToken = StrongNameUtils.CreateTokenFromPublicKey(publicKey);
}
module.AddSignature(ref assemblyRef);
image.AssemblyDefSignature = assemblyRef;
return(assemblyRef);
}
internal static TypeReference LoadTypeRef(Module module, int rid, bool?isValueType = null)
{
var image = module.Image;
var typeRef = image.TypeRefSignatures[rid - 1];
if (typeRef != null)
{
if (isValueType.HasValue)
{
typeRef._isValueType = isValueType;
}
return(typeRef);
}
TypeRefRow row;
image.GetTypeRef(rid, out row);
int resolutionScopeToken = MetadataToken.DecompressResolutionScope(row.ResolutionScope);
typeRef = new TypeReference();
typeRef._name = image.GetString(row.Name);
typeRef._namespace = image.GetString(row.Namespace);
typeRef._owner = LoadResolutionScope(module, resolutionScopeToken);
typeRef._isValueType = isValueType;
module.AddSignature(ref typeRef);
image.TypeRefSignatures[rid - 1] = typeRef;
return(typeRef);
}
internal static TypeReference LoadExportedType(Module module, int rid)
{
var image = module.Image;
var typeRef = image.ExportedTypeSignatures[rid - 1];
if (typeRef != null)
{
return(typeRef);
}
ExportedTypeRow row;
image.GetExportedType(rid, out row);
typeRef = new TypeReference();
typeRef._name = image.GetString(row.TypeName);
typeRef._namespace = image.GetString(row.TypeNamespace);
typeRef._owner = LoadExportedTypeImplementation(module, MetadataToken.DecompressImplementation(row.Implementation));
typeRef._isValueType = false;
module.AddSignature(ref typeRef);
image.ExportedTypeSignatures[rid - 1] = typeRef;
return(typeRef);
}
internal static MethodReference LoadMethodDef(Module module, int rid)
{
var image = module.Image;
var methodRef = image.MethodSignatures[rid - 1] as MethodReference;
if (methodRef != null)
{
return(methodRef);
}
MethodRow row;
image.GetMethod(rid, out row);
methodRef = new MethodReference();
methodRef._name = image.GetString(row.Name);
int typeRID = image.GetTypeByMethod(rid);
methodRef._owner = TypeReference.LoadTypeDef(module, typeRID);
using (var accessor = image.OpenBlob(row.Signature))
{
methodRef._callSite = CallSite.LoadCallSite(accessor, module);
}
module.AddSignature(ref methodRef);
image.MethodSignatures[rid - 1] = methodRef;
return(methodRef);
}
internal static TypeSignature LoadTypeSpec(Module module, int rid)
{
var image = module.Image;
var typeSig = image.TypeSpecSignatures[rid - 1];
if (typeSig != null)
{
return(typeSig);
}
int blobID = image.GetTypeSpec(rid);
using (var accessor = image.OpenBlob(blobID))
{
// Note that a TypeSpecBlob does not begin with a callingconvention byte,
// so it differs from the various other signatures that are stored into Metadata.
typeSig = Load(accessor, module);
}
module.AddSignature(ref typeSig);
image.TypeSpecSignatures[rid - 1] = typeSig;
return(typeSig);
}
internal static TypeReference LoadTypeDef(Module module, int rid, bool?isValueType = null)
{
var image = module.Image;
var typeRef = image.TypeSignatures[rid - 1];
if (typeRef != null)
{
if (isValueType.HasValue)
{
typeRef._isValueType = isValueType;
}
return(typeRef);
}
TypeDefRow row;
image.GetTypeDef(rid, out row);
typeRef = new TypeReference();
typeRef._name = image.GetString(row.Name);
typeRef._namespace = image.GetString(row.Namespace);
// Owner
int enclosingRID;
if (image.GetEnclosingTypeByNested(rid, out enclosingRID))
{
typeRef._owner = LoadTypeDef(module, enclosingRID);
}
else
{
typeRef._owner = ModuleReference.LoadDef(module);
}
module.AddSignature(ref typeRef);
image.TypeSignatures[rid - 1] = typeRef;
// Is value type.
if (isValueType.HasValue)
{
typeRef._isValueType = isValueType.Value;
}
else
{
int extendsToken = MetadataToken.DecompressTypeDefOrRef(row.Extends);
if (!MetadataToken.IsNull(extendsToken))
{
var baseType = TypeSignature.Load(module, extendsToken);
typeRef._isValueType = GetIsValueType(typeRef, baseType, module);
}
}
return(typeRef);
}
protected internal override void InternMembers(Module module)
{
module.AddSignature(ref _returnType);
int count = _arguments.Count;
if (count > 0)
{
var arguments = new TypeSignature[count];
for (int i = 0; i < count; i++)
{
var argument = _arguments[i];
module.AddSignature(ref argument);
arguments[i] = argument;
}
_arguments = ReadOnlyList <TypeSignature> .Create(arguments);
}
}
protected internal override void InternMembers(Module module)
{
module.AddSignature(ref _declaringMethod);
int count = _genericArguments.Count;
if (count > 0)
{
var genericArguments = new TypeSignature[count];
for (int i = 0; i < count; i++)
{
var argument = _genericArguments[i];
module.AddSignature(ref argument);
genericArguments[i] = argument;
}
_genericArguments = ReadOnlyList <TypeSignature> .Create(genericArguments);
}
}
private void BuildLocalVariables(Blob blob, ref int pos, Module module)
{
var list = LocalVariables;
blob.Write7BitEncodedInt(ref pos, (int)list.Count);
for (int i = 0; i < list.Count; i++)
{
var localVar = list[i];
int rid = module.AddSignature(ref localVar);
blob.Write(ref pos, (int)rid);
}
}
internal static AssemblyReference LoadRef(Module module, int rid)
{
var image = module.Image;
var assemblyRef = image.AssemblyRefSignatures[rid - 1];
if (assemblyRef != null)
{
return(assemblyRef);
}
AssemblyRefRow row;
image.GetAssemblyRef(rid, out row);
assemblyRef = new AssemblyReference();
assemblyRef._name = image.GetString(row.Name);
assemblyRef._culture = image.GetString(row.Locale);
assemblyRef._processorArchitecture = (ProcessorArchitecture)((int)(row.Flags & AssemblyFlags.PA_Mask) >> (int)AssemblyFlags.PA_Shift);
assemblyRef._version = new Version(row.MajorVersion, row.MinorVersion, row.BuildNumber, row.RevisionNumber);
byte[] publicKeyToken = image.GetBlob(row.PublicKeyOrToken).NullIfEmpty();
if ((row.Flags & AssemblyFlags.PublicKey) == AssemblyFlags.PublicKey &&
publicKeyToken != null && publicKeyToken.Length > 0)
{
try
{
publicKeyToken = StrongNameUtils.CreateTokenFromPublicKey(publicKeyToken);
}
catch (InvalidOperationException)
{
publicKeyToken = null;
}
}
assemblyRef._publicKeyToken = publicKeyToken;
module.AddSignature(ref assemblyRef);
image.AssemblyRefSignatures[rid - 1] = assemblyRef;
return(assemblyRef);
}
private void BuildExceptionHandler(Blob blob, ref int pos, ExceptionHandler handler, Module module)
{
blob.Write(ref pos, (int)handler.Type);
blob.Write(ref pos, (int)handler.TryOffset);
blob.Write(ref pos, (int)handler.TryLength);
blob.Write(ref pos, (int)handler.HandlerOffset);
blob.Write(ref pos, (int)handler.HandlerLength);
blob.Write(ref pos, (int)handler.FilterOffset);
var catchType = handler.CatchType;
if (catchType != null)
{
int rid = module.AddSignature(ref catchType);
blob.Write(ref pos, (int)rid);
}
else
{
blob.Write(ref pos, (int)0);
}
}
internal static FieldReference LoadFieldDef(Module module, int rid)
{
var image = module.Image;
var fieldRef = image.FieldSignatures[rid - 1] as FieldReference;
if (fieldRef != null)
{
return(fieldRef);
}
FieldRow row;
image.GetField(rid, out row);
fieldRef = new FieldReference();
fieldRef._name = image.GetString(row.Name);
int typeRID = image.GetTypeByField(rid);
fieldRef._owner = TypeReference.LoadTypeDef(module, typeRID);
using (var accessor = image.OpenBlob(row.Signature))
{
byte sigType = accessor.ReadByte();
if (sigType != Metadata.SignatureType.Field)
{
throw new CodeModelException(string.Format(SR.AssemblyLoadError, module.Location));
}
fieldRef._fieldType = TypeSignature.Load(accessor, module);
}
module.AddSignature(ref fieldRef);
image.FieldSignatures[rid - 1] = fieldRef;
return(fieldRef);
}
internal static ModuleReference LoadDef(Module module)
{
var image = module.Image;
var moduleRef = image.ModuleDefSignature;
if (moduleRef == null)
{
return(moduleRef);
}
ModuleRow row;
image.GetModule(1, out row);
moduleRef = new ModuleReference();
moduleRef._name = image.GetString(row.Name);
module.AddSignature(ref moduleRef);
image.ModuleDefSignature = moduleRef;
return(moduleRef);
}
internal static CallSite LoadStandAloneSig(Module module, int rid)
{
var image = module.Image;
var callSite = image.StandAloneSigSignatures[rid - 1] as CallSite;
if (callSite != null)
{
return(callSite);
}
int blobID = image.GetStandAloneSig(rid);
using (var accessor = image.OpenBlob(blobID))
{
callSite = LoadCallSite(accessor, module);
}
module.AddSignature(ref callSite);
image.StandAloneSigSignatures[rid - 1] = callSite;
return(callSite);
}
internal static ModuleReference LoadRef(Module module, int rid)
{
var image = module.Image;
var moduleRef = image.ModuleRefSignatures[rid - 1];
if (moduleRef != null)
{
return(moduleRef);
}
ModuleRefRow row;
image.GetModuleRef(rid, out row);
moduleRef = new ModuleReference();
moduleRef._name = image.GetString(row.Name);
module.AddSignature(ref moduleRef);
image.ModuleRefSignatures[rid - 1] = moduleRef;
return(moduleRef);
}
internal static GenericMethodReference LoadMethodSpec(Module module, int rid)
{
var image = module.Image;
var genericMethodRef = image.MethodSpecSignatures[rid - 1] as GenericMethodReference;
if (genericMethodRef != null)
{
return(genericMethodRef);
}
MethodSpecRow row;
image.GetMethodSpec(rid, out row);
genericMethodRef = new GenericMethodReference();
genericMethodRef._declaringMethod = MethodReference.LoadMethodDefOrRef(module, MetadataToken.DecompressMethodDefOrRef(row.Method));
using (var accessor = image.OpenBlob(row.Instantiation))
{
byte sigType = accessor.ReadByte(); // Should be equal to SignatureType.GenericInst
if (sigType != Metadata.SignatureType.GenericInst)
{
throw new CodeModelException(string.Format(SR.AssemblyLoadError, module.Location));
}
var genericArguments = TypeSignature.LoadGenericArguments(accessor, module);
genericMethodRef._genericArguments = ReadOnlyList <TypeSignature> .Create(genericArguments);
}
module.AddSignature(ref genericMethodRef);
image.MethodSpecSignatures[rid - 1] = genericMethodRef;
return(genericMethodRef);
}
internal static Signature LoadMemberRef(Module module, int rid)
{
var image = module.Image;
var memberRef = image.MemberRefSignatures[rid - 1] as Signature;
if (memberRef != null)
{
return(memberRef);
}
MemberRefRow row;
image.GetMemberRef(rid, out row);
string name = image.GetString(row.Name);
// Owner
TypeSignature owner;
int classToken = MetadataToken.DecompressMemberRefParent(row.Class);
switch (MetadataToken.GetType(classToken))
{
case MetadataTokenType.ModuleRef:
{
// A ModuleRef token, if the member is defined, in another module of the same image,
// as a global function or variable.
var moduleRef = ModuleReference.LoadRef(module, MetadataToken.GetRID(classToken));
var typeRef = new TypeReference(CodeModelUtils.GlobalTypeName, null, moduleRef);
module.AddSignature(ref typeRef);
owner = typeRef;
}
break;
case MetadataTokenType.Method:
{
// A MethodDef token, when used to supply a call-site signature for a vararg method that is
// defined in this module. The Name shall match the Name in the corresponding MethodDef row.
// The Signature shall match the Signature in the target method definition.
int typeRID = image.GetTypeByMethod(MetadataToken.GetRID(classToken));
owner = TypeReference.LoadTypeDef(module, typeRID);
}
break;
default:
{
owner = TypeReference.Load(module, classToken);
}
break;
}
// Signature
using (var accessor = image.OpenBlob(row.Signature))
{
byte sigType = accessor.ReadByte();
if (sigType == Metadata.SignatureType.Field)
{
var fieldType = TypeSignature.Load(accessor, module);
memberRef = new FieldReference(name, fieldType, owner);
}
else
{
var callSite = CallSite.LoadCallSite(accessor, module, sigType);
memberRef = new MethodReference(name, owner, callSite);
}
}
module.AddSignature(ref memberRef);
image.MemberRefSignatures[rid - 1] = memberRef;
return(memberRef);
}
protected internal override void InternMembers(Module module)
{
module.AddSignature(ref _elementType);
}
protected internal override void InternMembers(Module module)
{
module.AddSignature(ref _callSite);
}
private void BuildInstructions(Blob blob, ref int pos, Module module)
{
blob.Write7BitEncodedInt(ref pos, (int)Instructions.Count);
foreach (var instruction in Instructions)
{
var opCode = instruction.OpCode;
if (opCode.OpByte1 == 0xff)
{
// one byte opcode
blob.Write(ref pos, (byte)opCode.OpByte2);
}
else
{
// two bytes opcode
blob.Write(ref pos, (byte)opCode.OpByte1);
blob.Write(ref pos, (byte)opCode.OpByte2);
}
object value = instruction.Value;
switch (opCode.OperandType)
{
case OperandType.InlineBrTarget:
{
blob.Write(ref pos, (int)value);
}
break;
case OperandType.InlineField:
{
var signature = (Signature)value;
int rid = module.AddSignature(ref signature);
blob.Write(ref pos, (int)rid);
}
break;
case OperandType.InlineI:
{
blob.Write(ref pos, (int)value);
}
break;
case OperandType.InlineI8:
{
blob.Write(ref pos, (long)value);
}
break;
case OperandType.InlineMethod:
{
var signature = (Signature)value;
int rid = module.AddSignature(ref signature);
blob.Write(ref pos, (int)rid);
}
break;
case OperandType.InlineR:
{
blob.Write(ref pos, (double)value);
}
break;
case OperandType.InlineSig:
{
var signature = (Signature)value;
int rid = module.AddSignature(ref signature);
blob.Write(ref pos, (int)rid);
}
break;
case OperandType.InlineString:
{
// Token of a userdefined string, whose RID portion is actually an offset in the #US blob stream.
blob.WriteLengthPrefixedString(ref pos, (string)value, Encoding.Unicode);
}
break;
case OperandType.InlineSwitch:
{
int[] branches = (int[])value;
blob.Write(ref pos, (int)branches.Length);
for (int i = 0; i < branches.Length; i++)
{
blob.Write(ref pos, (int)branches[i]);
}
}
break;
case OperandType.InlineTok:
{
var signature = (Signature)value;
int rid = module.AddSignature(ref signature);
blob.Write(ref pos, (int)rid);
}
break;
case OperandType.InlineType:
{
var signature = (Signature)value;
int rid = module.AddSignature(ref signature);
blob.Write(ref pos, (int)rid);
}
break;
case OperandType.InlineVar:
{
blob.Write(ref pos, (short)value);
}
break;
case OperandType.ShortInlineBrTarget:
{
blob.Write(ref pos, (sbyte)value);
}
break;
case OperandType.ShortInlineI:
{
blob.Write(ref pos, (byte)value);
}
break;
case OperandType.ShortInlineR:
{
blob.Write(ref pos, (float)value);
}
break;
case OperandType.ShortInlineVar:
{
blob.Write(ref pos, (byte)value);
}
break;
}
}
}
protected internal override void InternMembers(Module module)
{
module.AddSignature(ref _fieldType);
module.AddSignature(ref _owner);
}
