//************************************************
//
// This function will not increase the argument count. It only fills in bytes
// in the signature based on clsArgument. This helper is called for return type.
//
//************************************************
private void AddOneArgTypeHelper(Type clsArgument)
{
if (clsArgument == null)
{
throw new ArgumentNullException("clsArgument");
}
if (clsArgument is TypeBuilder)
{
TypeBuilder clsBuilder = (TypeBuilder)clsArgument;
TypeToken tkType;
if (clsBuilder.Module == m_module)
{
tkType = clsBuilder.TypeToken;
}
else
{
tkType = m_module.GetTypeToken(clsArgument);
}
if (clsArgument.IsValueType)
{
InternalAddTypeToken(tkType, ELEMENT_TYPE_VALUETYPE);
}
else
{
InternalAddTypeToken(tkType, ELEMENT_TYPE_CLASS);
}
}
else if (clsArgument is EnumBuilder)
{
TypeBuilder clsBuilder = ((EnumBuilder)clsArgument).m_typeBuilder;
TypeToken tkType;
if (clsBuilder.Module == m_module)
{
tkType = clsBuilder.TypeToken;
}
else
{
tkType = m_module.GetTypeToken(clsArgument);
}
if (clsArgument.IsValueType)
{
InternalAddTypeToken(tkType, ELEMENT_TYPE_VALUETYPE);
}
else
{
InternalAddTypeToken(tkType, ELEMENT_TYPE_CLASS);
}
}
else if (clsArgument is SymbolType)
{
SignatureBuffer sigBuf = new SignatureBuffer();
SymbolType symType = (SymbolType)clsArgument;
int i;
// convert SymbolType to blob form
symType.ToSigBytes(m_module, sigBuf);
// add to our signature buffer
// ensure the size of the signature buffer
if ((m_currSig + sigBuf.m_curPos) > m_signature.Length)
{
m_signature = ExpandArray(m_signature, m_currSig + sigBuf.m_curPos);
}
// copy over the signature segment
for (i = 0; i < sigBuf.m_curPos; i++)
{
m_signature[m_currSig++] = sigBuf.m_buf[i];
}
}
else
{
if (clsArgument.IsByRef)
{
AddElementType(ELEMENT_TYPE_BYREF);
clsArgument = clsArgument.GetElementType();
}
if (clsArgument.IsArray || clsArgument.IsPointer)
{
AddArrayOrPointer(clsArgument);
return;
}
RuntimeType rType = clsArgument as RuntimeType;
int type = rType != null?GetCorElementTypeFromClass(rType) : ELEMENT_TYPE_MAX;
if (IsSimpleType(type))
{
// base element type
AddElementType(type);
}
else
{
if (clsArgument.IsValueType)
{
InternalAddTypeToken(m_module.GetTypeToken(clsArgument), ELEMENT_TYPE_VALUETYPE);
}
else
{
if (clsArgument == SystemObject)
{
// use the short cut for System.Object
AddElementType(ELEMENT_TYPE_OBJECT);
}
else if (clsArgument == SystemString)
{
// use the short cut for System.String
AddElementType(ELEMENT_TYPE_STRING);
}
else
{
InternalAddTypeToken(m_module.GetTypeToken(clsArgument), ELEMENT_TYPE_CLASS);
}
}
}
}
}
//************************************************
//
// This function will not increase the argument count. It only fills in bytes
// in the signature based on clsArgument. This helper is called for return type.
//
//************************************************
private void AddOneArgTypeHelper(Type clsArgument)
{
if (clsArgument == null)
throw new ArgumentNullException("clsArgument");
if (clsArgument is TypeBuilder)
{
TypeBuilder clsBuilder = (TypeBuilder) clsArgument;
TypeToken tkType;
if (clsBuilder.Module == m_module)
{
tkType = clsBuilder.TypeToken;
}
else
{
tkType = m_module.GetTypeToken(clsArgument);
}
if (clsArgument.IsValueType) {
InternalAddTypeToken(tkType, ELEMENT_TYPE_VALUETYPE);
} else {
InternalAddTypeToken(tkType, ELEMENT_TYPE_CLASS);
}
}
else if (clsArgument is EnumBuilder)
{
TypeBuilder clsBuilder = ((EnumBuilder) clsArgument).m_typeBuilder;
TypeToken tkType;
if (clsBuilder.Module == m_module)
{
tkType = clsBuilder.TypeToken;
}
else
{
tkType = m_module.GetTypeToken(clsArgument);
}
if (clsArgument.IsValueType) {
InternalAddTypeToken(tkType, ELEMENT_TYPE_VALUETYPE);
} else {
InternalAddTypeToken(tkType, ELEMENT_TYPE_CLASS);
}
}
else if (clsArgument is SymbolType)
{
SignatureBuffer sigBuf = new SignatureBuffer();
SymbolType symType = (SymbolType) clsArgument;
int i;
// convert SymbolType to blob form
symType.ToSigBytes(m_module, sigBuf);
// add to our signature buffer
// ensure the size of the signature buffer
if ((m_currSig + sigBuf.m_curPos) > m_signature.Length)
m_signature = ExpandArray(m_signature, m_currSig + sigBuf.m_curPos);
// copy over the signature segment
for (i = 0; i < sigBuf.m_curPos; i++)
{
m_signature[m_currSig++] = sigBuf.m_buf[i];
}
}
else
{
if (clsArgument.IsByRef)
{
AddElementType(ELEMENT_TYPE_BYREF);
clsArgument = clsArgument.GetElementType();
}
if (clsArgument.IsArray || clsArgument.IsPointer)
{
AddArrayOrPointer(clsArgument);
return;
}
RuntimeType rType = clsArgument as RuntimeType;
int type = rType != null ? GetCorElementTypeFromClass(rType) : ELEMENT_TYPE_MAX;
if (IsSimpleType(type))
{
// base element type
AddElementType(type);
}
else
{
if (clsArgument.IsValueType)
{
InternalAddTypeToken(m_module.GetTypeToken(clsArgument), ELEMENT_TYPE_VALUETYPE);
}
else
{
if (clsArgument == SystemObject)
// use the short cut for System.Object
AddElementType(ELEMENT_TYPE_OBJECT);
else if (clsArgument == SystemString)
// use the short cut for System.String
AddElementType(ELEMENT_TYPE_STRING);
else
InternalAddTypeToken(m_module.GetTypeToken(clsArgument), ELEMENT_TYPE_CLASS);
}
}
}
}
//***********************************************
//
// Translate the type into signature format
//
//***********************************************
internal void ToSigBytes(ModuleBuilder moduleBuilder, SignatureBuffer sigBuf)
{
bool isArray = false;
// now process whatever information that we have here.
if (m_typeKind == TypeKind.IsArray)
{
if (m_cRank == 1 && m_iaLowerBound[0] == 0 && m_iaUpperBound[0] == -1)
{
// zero lower bound, unspecified count. So simplify to SZARRAY
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_SZARRAY);
}
else
{
// ELEMENT_TYPE_ARRAY : ARRAY <type> <rank> <bcount> <bound1> ... <lbcount> <lb1> ...
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_ARRAY);
isArray = true;
}
}
else if (m_typeKind == TypeKind.IsPointer)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_PTR);
}
else if (m_typeKind == TypeKind.IsByRef)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_BYREF);
}
if (m_baseType is SymbolType)
{
// the base type is still a SymbolType. So recursively form the signature blob
((SymbolType) m_baseType).ToSigBytes(moduleBuilder, sigBuf);
}
else
{
// we have walked to the most nested class.
int cvType;
if (m_baseType is RuntimeType)
cvType = SignatureHelper.GetCorElementTypeFromClass((RuntimeType)m_baseType);
else
cvType = SignatureHelper.ELEMENT_TYPE_MAX;
if (SignatureHelper.IsSimpleType(cvType))
{
sigBuf.AddElementType(cvType);
}
else
{
if (m_baseType.IsValueType)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_VALUETYPE);
sigBuf.AddToken(moduleBuilder.GetTypeToken(m_baseType).Token);
}
else if (m_baseType == SignatureHelper.SystemObject)
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_OBJECT);
else if (m_baseType == SignatureHelper.SystemString)
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_STRING);
else
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_CLASS);
sigBuf.AddToken(moduleBuilder.GetTypeToken(m_baseType).Token);
}
}
}
if (isArray)
{
// ELEMENT_TYPE_ARRAY : ARRAY <type> <rank> <bcount> <bound1> ... <lbcount> <lb1> ...
// generic array!! Put in the dimension, sizes and lower bounds information.
int index;
int i;
sigBuf.AddData(m_cRank);
// determine the number of dimensions that we have to specify the size
for (index = m_cRank - 1; index >= 0 && m_iaLowerBound[index] > m_iaUpperBound[index]; index--);
sigBuf.AddData(index + 1);
for (i=0; i <= index; i++)
{
if (m_iaLowerBound[index] > m_iaUpperBound[index])
{
// bad signature!!
throw new ArgumentException(Environment.GetResourceString("Argument_BadSigFormat"));
}
else
{
sigBuf.AddData(m_iaUpperBound[i] - m_iaLowerBound[i] + 1);
}
}
// loop from last dimension back to first dimension. Look for the first one that does
// not have lower bound equals to zero. If this is index, then 0..index has to specify the
// lower bound.
for (index = m_cRank - 1; index >= 0 && m_iaLowerBound[index] == 0; index--);
sigBuf.AddData(index + 1);
for (i=0; i <= index; i++)
{
sigBuf.AddInteger(m_iaLowerBound[i]);
}
}
}
// Return a token for the class relative to the Module. Tokens
// are used to indentify objects when the objects are used in IL
// instructions. Tokens are always relative to the Module. For example,
// the token value for System.String is likely to be different from
// Module to Module. Calling GetTypeToken will cause a reference to be
// added to the Module. This reference becomes a perminate part of the Module,
// multiple calles to this method with the same class have no additional side affects.
//
// This function is optimized to use the TypeDef token if Type is within the same module.
// We should also be aware of multiple dynamic modules and multiple implementation of Type!!!
/// <include file='doc\ModuleBuilder.uex' path='docs/doc[@for="ModuleBuilder.GetTypeToken"]/*' />
public TypeToken GetTypeToken(Type type)
{
try
{
Enter();
TypeToken tkToken;
bool isSameAssembly;
bool isSameModule;
Module refedModule;
String strRefedModuleFileName = String.Empty;
// assume that referenced module is non-transient. Only if the referenced module is dynamic,
// and transient, this variable will be set to true.
bool isRefedModuleTransient = false;
if (type == null)
throw new ArgumentNullException("type");
BCLDebug.Log("DYNIL","## DYNIL LOGGING: ModuleBuilder.GetTypeToken( " + type.FullName + " )");
refedModule = type.Module;
isSameModule = refedModule.Equals(this);
// Console.WriteLine("***** " + type.FullName);
if (type.IsByRef)
{
// cannot be by ref!!! Throw exception
throw new ArgumentException(Environment.GetResourceString("Argument_CannotGetTypeTokenForByRef"));
}
if (type is SymbolType)
{
if (type.IsPointer || type.IsArray)
{
SignatureBuffer sigBuf = new SignatureBuffer();
SymbolType symType = (SymbolType) type;
// convert SymbolType to blob form
symType.ToSigBytes(this, sigBuf);
return new TypeToken( InternalGetTypeSpecTokenWithBytes(sigBuf.m_buf, sigBuf.m_curPos) );
}
else
throw new ArgumentException(Environment.GetResourceString("Argument_UnknownTypeForGetTypeToken"));
}
Type baseType;
baseType = GetBaseType(type);
if ( (type.IsArray || type.IsPointer) && baseType != type)
{
// We will at most recursive once.
int baseToken;
baseToken = GetTypeToken(baseType).Token;
if (!(type is RuntimeType))
throw new ArgumentException(Environment.GetResourceString("Argument_MustBeRuntimeType"), "type");
return new TypeToken( InternalGetTypeSpecToken((RuntimeType)type, baseToken) );
}
// After this point, it is not an array type nor Pointer type
if (isSameModule)
{
// no need to do anything additional other than defining the TypeRef Token
if (type is TypeBuilder)
{
// optimization: if the type is defined in this module,
// just return the token
//
TypeBuilder typeBuilder = (TypeBuilder) type;
return typeBuilder.TypeToken;
}
else if (type is EnumBuilder)
{
TypeBuilder typeBuilder = ((EnumBuilder) type).m_typeBuilder;
return typeBuilder.TypeToken;
}
return new TypeToken(GetTypeRefNested(type, this, String.Empty));
}
// After this point, the referenced module is not the same as the referencing
// module.
//
isSameAssembly = refedModule.Assembly.Equals(Assembly);
if (refedModule is ModuleBuilder)
{
ModuleBuilder refedModuleBuilder = (ModuleBuilder) refedModule;
if (refedModuleBuilder.IsTransient())
{
isRefedModuleTransient = true;
}
// get the referenced module's file name
strRefedModuleFileName = refedModuleBuilder.m_moduleData.m_strFileName;
}
else
strRefedModuleFileName = refedModule.ScopeName;
// We cannot have a non-transient module referencing to a transient module.
if (IsTransient() == false && isRefedModuleTransient)
{
// we got problem here.
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_BadTransientModuleReference"));
}
tkToken = new TypeToken(GetTypeRefNested(type, refedModule, strRefedModuleFileName));
return tkToken;
}
finally
{
Exit();
}
}
//***********************************************
//
// Translate the type into signature format
//
//***********************************************
internal void ToSigBytes(ModuleBuilder moduleBuilder, SignatureBuffer sigBuf)
{
bool isArray = false;
// now process whatever information that we have here.
if (m_typeKind == TypeKind.IsArray)
{
if (m_cRank == 1 && m_iaLowerBound[0] == 0 && m_iaUpperBound[0] == -1)
{
// zero lower bound, unspecified count. So simplify to SZARRAY
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_SZARRAY);
}
else
{
// ELEMENT_TYPE_ARRAY : ARRAY <type> <rank> <bcount> <bound1> ... <lbcount> <lb1> ...
// @todo: fill the signature blob
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_ARRAY);
isArray = true;
}
}
else if (m_typeKind == TypeKind.IsPointer)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_PTR);
}
else if (m_typeKind == TypeKind.IsByRef)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_BYREF);
}
if (m_baseType is SymbolType)
{
// the base type is still a SymbolType. So recursively form the signature blob
((SymbolType)m_baseType).ToSigBytes(moduleBuilder, sigBuf);
}
else
{
// we have walked to the most nested class.
int cvType;
if (m_baseType is RuntimeType)
{
cvType = SignatureHelper.GetCorElementTypeFromClass((RuntimeType)m_baseType);
}
else
{
cvType = SignatureHelper.ELEMENT_TYPE_MAX;
}
if (SignatureHelper.IsSimpleType(cvType))
{
sigBuf.AddElementType(cvType);
}
else
{
if (m_baseType.IsValueType)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_VALUETYPE);
sigBuf.AddToken(moduleBuilder.GetTypeToken(m_baseType).Token);
}
else if (m_baseType == SignatureHelper.SystemObject)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_OBJECT);
}
else if (m_baseType == SignatureHelper.SystemString)
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_STRING);
}
else
{
sigBuf.AddElementType(SignatureHelper.ELEMENT_TYPE_CLASS);
sigBuf.AddToken(moduleBuilder.GetTypeToken(m_baseType).Token);
}
}
}
if (isArray)
{
// ELEMENT_TYPE_ARRAY : ARRAY <type> <rank> <bcount> <bound1> ... <lbcount> <lb1> ...
// generic array!! Put in the dimension, sizes and lower bounds information.
int index;
int i;
sigBuf.AddData(m_cRank);
// determine the number of dimensions that we have to specify the size
for (index = m_cRank - 1; index >= 0 && m_iaLowerBound[index] > m_iaUpperBound[index]; index--)
{
;
}
sigBuf.AddData(index + 1);
for (i = 0; i <= index; i++)
{
if (m_iaLowerBound[index] > m_iaUpperBound[index])
{
// bad signature!!
throw new ArgumentException(Environment.GetResourceString("Argument_BadSigFormat"));
}
else
{
sigBuf.AddData(m_iaUpperBound[i] - m_iaLowerBound[i] + 1);
}
}
// loop from last dimension back to first dimension. Look for the first one that does
// not have lower bound equals to zero. If this is index, then 0..index has to specify the
// lower bound.
for (index = m_cRank - 1; index >= 0 && m_iaLowerBound[index] == 0; index--)
{
;
}
sigBuf.AddData(index + 1);
for (i = 0; i <= index; i++)
{
sigBuf.AddInteger(m_iaLowerBound[i]);
}
}
}
