/// <summary>
/// Writes the property definition to the dynamic assembly metadata.
/// </summary>
/// <param name="builder">The <see cref="MetadataBuilder"/> into which to write the property
/// definition.</param>
/// <param name="tokenMapping">The token map for patching accessor method handles.</param>
internal void writeMetadata(MetadataBuilder builder, TokenMapping tokenMapping)
{
var propHandle = builder.AddProperty(attributes, m_nameHandle, m_sigHandle);
if ((attributes & PropertyAttributes.HasDefault) != 0)
{
builder.AddConstant(propHandle, m_constantValue);
}
if (m_getter != null)
{
builder.AddMethodSemantics(
propHandle, MethodSemanticsAttributes.Getter,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(m_getter.handle)
);
}
if (m_setter != null)
{
builder.AddMethodSemantics(
propHandle, MethodSemanticsAttributes.Setter,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(m_setter.handle)
);
}
Span <MethodBuilder> otherMethods = m_otherMethods.asSpan();
for (int i = 0; i < otherMethods.Length; i++)
{
builder.AddMethodSemantics(
propHandle, MethodSemanticsAttributes.Other,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(otherMethods[i].handle)
);
}
}
/// <summary>
/// Writes the event definition to the dynamic assembly metadata.
/// </summary>
/// <param name="builder">The <see cref="MetadataBuilder"/> into which to write the property
/// definition.</param>
/// <param name="tokenMapping">The token map for patching event method handles.</param>
internal void writeMetadata(MetadataBuilder builder, TokenMapping tokenMapping)
{
var eventHandle = builder.AddEvent(attributes, m_nameHandle, m_eventTypeHandle);
if (m_add != null)
{
builder.AddMethodSemantics(
eventHandle, MethodSemanticsAttributes.Adder,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(m_add.handle)
);
}
if (m_remove != null)
{
builder.AddMethodSemantics(
eventHandle, MethodSemanticsAttributes.Remover,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(m_remove.handle)
);
}
if (m_fire != null)
{
builder.AddMethodSemantics(
eventHandle, MethodSemanticsAttributes.Raiser,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(m_fire.handle)
);
}
Span <MethodBuilder> otherMethods = m_otherMethods.asSpan();
for (int i = 0; i < otherMethods.Length; i++)
{
builder.AddMethodSemantics(
eventHandle, MethodSemanticsAttributes.Other,
(MethodDefinitionHandle)tokenMapping.getMappedHandle(otherMethods[i].handle)
);
}
}
internal AssemblyBuilderEmitResult(byte[] peFile, TokenMapping tokenMapping)
{
m_peFile = peFile;
m_tokenMapping = tokenMapping;
}
/// <summary>
/// Emits this dynamic assembly to a Portable Executable file image.
/// </summary>
/// <returns>An <see cref="AssemblyBuilderEmitResult"/> instance containing the
/// emitted PE image.</returns>
/// <remarks>
/// This method can be called only once. Any subsequent calls will throw an exception.
/// </remarks>
public AssemblyBuilderEmitResult emit()
{
if (m_isPEFileCreated)
{
throw new InvalidOperationException("The PE file for this assembly has already been created.");
}
m_isPEFileCreated = true;
var tokenMap = new TokenMapping(m_metadataContext.fieldDefRowCount, m_metadataContext.methodDefRowCount);
BlobBuilder ilStream;
lock (m_typeBuildersLock) {
var typeBuilders = m_typeBuilders.asReadOnlyArrayView();
int currentMethodBodyAddress = 0;
for (int i = 0; i < typeBuilders.length; i++)
{
currentMethodBodyAddress = typeBuilders[i].assignMethodBodyAddresses(currentMethodBodyAddress);
}
var genParamEntries = new DynamicArray <GenericParameter>();
using (var mdBuilder = m_metadataContext.getMetadataBuilder()) {
for (int i = 0; i < typeBuilders.length; i++)
{
typeBuilders[i].writeTypeMetadata(mdBuilder.value, tokenMap);
}
for (int i = 0; i < typeBuilders.length; i++)
{
typeBuilders[i].writeMethodImplEntries(mdBuilder.value, tokenMap);
}
}
for (int i = 0; i < typeBuilders.length; i++)
{
typeBuilders[i].appendGenParamEntries(tokenMap, ref genParamEntries);
}
m_metadataContext.emitMethodSpecTable(tokenMap);
_sortAndWriteGenParamEntries(ref genParamEntries);
ilStream = new BlobBuilder(currentMethodBodyAddress);
for (int i = 0; i < typeBuilders.length; i++)
{
typeBuilders[i].writeMethodBodies(ilStream, tokenMap);
}
}
BlobBuilder peFileBlob = new BlobBuilder();
MethodDefinitionHandle entryPoint = default;
if (!m_entryPoint.IsNil)
{
entryPoint = (MethodDefinitionHandle)tokenMap.getMappedHandle(m_entryPoint);
}
using (var mdBuilder = m_metadataContext.getMetadataBuilder()) {
var metadataRootBuilder = new MetadataRootBuilder(mdBuilder.value, null, true);
var peHeader = m_peHeader ?? new PEHeaderBuilder(Machine.I386);
var peBuilder = new ManagedPEBuilder(peHeader, metadataRootBuilder, ilStream, entryPoint: entryPoint);
peBuilder.Serialize(peFileBlob);
}
return(new AssemblyBuilderEmitResult(peFileBlob.ToArray(), tokenMap));
}
