/// <summary>
/// Reads a signature from the #Blob stream
/// </summary>
/// <param name="readerModule">Reader module</param>
/// <param name="sig">#Blob stream offset of signature</param>
/// <param name="gpContext">Generic parameter context</param>
/// <returns>A new <see cref="CallingConventionSig"/> instance or <c>null</c> if
/// <paramref name="sig"/> is invalid.</returns>
public static CallingConventionSig ReadSig(ModuleDefMD readerModule, uint sig, GenericParamContext gpContext)
{
try {
var reader = new SignatureReader(readerModule, sig, gpContext);
if (reader.reader.Length == 0)
{
return(null);
}
var csig = reader.ReadSig();
if (csig is not null)
{
csig.ExtraData = reader.GetExtraData();
}
return(csig);
}
catch {
return(null);
}
}
/// <summary>
/// Reads a <see cref="TypeSig"/> signature
/// </summary>
/// <param name="helper">Token resolver</param>
/// <param name="corLibTypes">A <see cref="ICorLibTypes"/> instance</param>
/// <param name="signature">The signature reader</param>
/// <param name="gpContext">Generic parameter context</param>
/// <param name="extraData">If there's any extra data after the signature, it's saved
/// here, else this will be <c>null</c></param>
/// <returns>A new <see cref="TypeSig"/> instance or <c>null</c> if
/// <paramref name="signature"/> is invalid.</returns>
public static TypeSig ReadTypeSig(ISignatureReaderHelper helper, ICorLibTypes corLibTypes, DataReader signature, GenericParamContext gpContext, out byte[] extraData)
{
try {
var reader = new SignatureReader(helper, corLibTypes, ref signature, gpContext);
TypeSig ts;
try {
ts = reader.ReadType();
}
catch (IOException) {
reader.reader.Position = 0;
ts = null;
}
extraData = reader.GetExtraData();
return(ts);
}
catch {
extraData = null;
return(null);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="helper">Token resolver</param>
/// <param name="corLibTypes">A <see cref="ICorLibTypes"/> instance</param>
/// <param name="reader">The signature data</param>
/// <param name="gpContext">Generic parameter context</param>
SignatureReader(ISignatureReaderHelper helper, ICorLibTypes corLibTypes, ref DataReader reader, GenericParamContext gpContext)
{
this.helper = helper;
this.corLibTypes = corLibTypes;
this.reader = reader;
this.gpContext = gpContext;
recursionCounter = new RecursionCounter();
}
/// <summary> /// Reads a <see cref="TypeSig"/> signature /// </summary> /// <param name="helper">Token resolver</param> /// <param name="corLibTypes">A <see cref="ICorLibTypes"/> instance</param> /// <param name="signature">The signature reader</param> /// <param name="gpContext">Generic parameter context</param> /// <returns>A new <see cref="TypeSig"/> instance or <c>null</c> if /// <paramref name="signature"/> is invalid.</returns> public static TypeSig ReadTypeSig(ISignatureReaderHelper helper, ICorLibTypes corLibTypes, DataReader signature, GenericParamContext gpContext) => ReadTypeSig(helper, corLibTypes, signature, gpContext, out var extraData);
/// <summary> /// Reads a <see cref="TypeSig"/> signature /// </summary> /// <param name="helper">Token resolver</param> /// <param name="corLibTypes">A <see cref="ICorLibTypes"/> instance</param> /// <param name="signature">The signature data</param> /// <param name="gpContext">Generic parameter context</param> /// <param name="extraData">If there's any extra data after the signature, it's saved /// here, else this will be <c>null</c></param> /// <returns>A new <see cref="TypeSig"/> instance or <c>null</c> if /// <paramref name="signature"/> is invalid.</returns> public static TypeSig ReadTypeSig(ISignatureReaderHelper helper, ICorLibTypes corLibTypes, byte[] signature, GenericParamContext gpContext, out byte[] extraData) => ReadTypeSig(helper, corLibTypes, ByteArrayDataReaderFactory.CreateReader(signature), gpContext, out extraData);
/// <summary> /// Reads a <see cref="TypeSig"/> signature /// </summary> /// <param name="module">The module where the signature is located in</param> /// <param name="signature">The signature data</param> /// <param name="gpContext">Generic parameter context</param> /// <returns>A new <see cref="TypeSig"/> instance or <c>null</c> if /// <paramref name="signature"/> is invalid.</returns> public static TypeSig ReadTypeSig(ModuleDefMD module, byte[] signature, GenericParamContext gpContext) => ReadTypeSig(module, module.CorLibTypes, ByteArrayDataReaderFactory.CreateReader(signature), gpContext);
/// <summary> /// Reads a <see cref="TypeSig"/> signature /// </summary> /// <param name="module">The module where the signature is located in</param> /// <param name="signature">The signature reader</param> /// <param name="gpContext">Generic parameter context</param> /// <returns>A new <see cref="TypeSig"/> instance or <c>null</c> if /// <paramref name="signature"/> is invalid.</returns> public static TypeSig ReadTypeSig(ModuleDefMD module, DataReader signature, GenericParamContext gpContext) => ReadTypeSig(module, module.CorLibTypes, signature, gpContext);
/// <summary> /// Reads a <see cref="CallingConventionSig"/> signature /// </summary> /// <param name="helper">Token resolver</param> /// <param name="corLibTypes">A <see cref="ICorLibTypes"/> instance</param> /// <param name="signature">The signature data</param> /// <param name="gpContext">Generic parameter context</param> /// <returns>A new <see cref="CallingConventionSig"/> instance or <c>null</c> if /// <paramref name="signature"/> is invalid.</returns> public static CallingConventionSig ReadSig(ISignatureReaderHelper helper, ICorLibTypes corLibTypes, byte[] signature, GenericParamContext gpContext) => ReadSig(helper, corLibTypes, ByteArrayDataReaderFactory.CreateReader(signature), gpContext);
/// <summary>
/// Reads a <see cref="CallingConventionSig"/> signature
/// </summary>
/// <param name="helper">Token resolver</param>
/// <param name="corLibTypes">A <see cref="ICorLibTypes"/> instance</param>
/// <param name="signature">The signature reader</param>
/// <param name="gpContext">Generic parameter context</param>
/// <returns>A new <see cref="CallingConventionSig"/> instance or <c>null</c> if
/// <paramref name="signature"/> is invalid.</returns>
public static CallingConventionSig ReadSig(ISignatureReaderHelper helper, ICorLibTypes corLibTypes, DataReader signature, GenericParamContext gpContext)
{
try {
var reader = new SignatureReader(helper, corLibTypes, ref signature, gpContext);
if (reader.reader.Length == 0)
{
return(null);
}
return(reader.ReadSig());
}
catch {
return(null);
}
}
/// <summary> /// Reads a <see cref="CallingConventionSig"/> signature /// </summary> /// <param name="module">The module where the signature is located in</param> /// <param name="signature">The signature reader</param> /// <param name="gpContext">Generic parameter context</param> /// <returns>A new <see cref="CallingConventionSig"/> instance or <c>null</c> if /// <paramref name="signature"/> is invalid.</returns> public static CallingConventionSig ReadSig(ModuleDefMD module, DataReader signature, GenericParamContext gpContext) => ReadSig(module, module.CorLibTypes, signature, gpContext);
DeclSecurityReader(ModuleDef module, DataReader reader, GenericParamContext gpContext)
{
this.reader = reader;
this.module = module;
this.gpContext = gpContext;
}
/// <summary>
/// Reads a <c>DeclSecurity</c> blob
/// </summary>
/// <param name="module">Module that will own the returned list</param>
/// <param name="signature"><c>DeclSecurity</c> stream that will be owned by us</param>
/// <param name="gpContext">Generic parameter context</param>
/// <returns>A list of <see cref="SecurityAttribute"/>s</returns>
public static IList <SecurityAttribute> Read(ModuleDef module, DataReader signature, GenericParamContext gpContext)
{
var reader = new DeclSecurityReader(module, signature, gpContext);
return(reader.Read());
}
/// <summary> /// Reads a <c>DeclSecurity</c> blob /// </summary> /// <param name="module">Module that will own the returned list</param> /// <param name="blob"><c>DeclSecurity</c> blob</param> /// <param name="gpContext">Generic parameter context</param>/// /// <returns>A list of <see cref="SecurityAttribute"/>s</returns> public static IList <SecurityAttribute> Read(ModuleDef module, byte[] blob, GenericParamContext gpContext) => Read(module, ByteArrayDataReaderFactory.CreateReader(blob), gpContext);
/// <summary> /// Reads a <c>DeclSecurity</c> blob /// </summary> /// <param name="module">Module that will own the returned list</param> /// <param name="sig"><c>#Blob</c> offset of <c>DeclSecurity</c> signature</param> /// <param name="gpContext">Generic parameter context</param> /// <returns>A list of <see cref="SecurityAttribute"/>s</returns> public static IList <SecurityAttribute> Read(ModuleDefMD module, uint sig, GenericParamContext gpContext) => Read(module, module.BlobStream.CreateReader(sig), gpContext);