private static bool AreSame(GenericInstanceType a, GenericInstanceType b)
{
if (a.GenericArguments.Count != b.GenericArguments.Count)
{
return(false);
}
for (int i = 0; i < a.GenericArguments.Count; i++)
{
if (!MetadataResolver.AreSame(a.GenericArguments[i], b.GenericArguments[i]))
{
return(false);
}
}
return(true);
}
private static bool AreSame(TypeSpecification a, TypeSpecification b)
{
if (!MetadataResolver.AreSame(a.ElementType, b.ElementType))
{
return(false);
}
if (a.IsGenericInstance)
{
return(MetadataResolver.AreSame((GenericInstanceType)a, (GenericInstanceType)b));
}
if (a.IsRequiredModifier || a.IsOptionalModifier)
{
return(MetadataResolver.AreSame((IModifierType)a, (IModifierType)b));
}
return(!a.IsArray || MetadataResolver.AreSame((ArrayType)a, (ArrayType)b));
}
private MethodDefinition GetMethod(TypeDefinition type, MethodReference reference)
{
while (type != null)
{
MethodDefinition method = MetadataResolver.GetMethod(type.Methods, reference);
if (method != null)
{
return(method);
}
if (type.BaseType == null)
{
return(null);
}
type = this.Resolve(type.BaseType);
}
return(null);
}
private FieldDefinition GetField(TypeDefinition type, FieldReference reference)
{
while (type != null)
{
FieldDefinition field = MetadataResolver.GetField(type.Fields, reference);
if (field != null)
{
return(field);
}
if (type.BaseType == null)
{
return(null);
}
type = this.Resolve(type.BaseType);
}
return(null);
}
public virtual TypeDefinition Resolve(TypeReference type)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
type = type.GetElementType();
IMetadataScope scope = type.Scope;
if (scope == null)
{
return(null);
}
switch (scope.MetadataScopeType)
{
case MetadataScopeType.AssemblyNameReference:
{
AssemblyDefinition assemblyDefinition = this.assembly_resolver.Resolve((AssemblyNameReference)scope);
if (assemblyDefinition == null)
{
return(null);
}
return(MetadataResolver.GetType(assemblyDefinition.MainModule, type));
}
case MetadataScopeType.ModuleReference:
{
Collection <ModuleDefinition> modules = type.Module.Assembly.Modules;
ModuleReference moduleReference = (ModuleReference)scope;
for (int i = 0; i < modules.Count; i++)
{
ModuleDefinition moduleDefinition = modules[i];
if (moduleDefinition.Name == moduleReference.Name)
{
return(MetadataResolver.GetType(moduleDefinition, type));
}
}
break;
}
case MetadataScopeType.ModuleDefinition:
return(MetadataResolver.GetType((ModuleDefinition)scope, type));
}
throw new NotSupportedException();
}
private static bool IsVarArgCallTo(MethodDefinition method, MethodReference reference)
{
if (method.Parameters.Count >= reference.Parameters.Count)
{
return(false);
}
if (reference.GetSentinelPosition() != method.Parameters.Count)
{
return(false);
}
for (int i = 0; i < method.Parameters.Count; i++)
{
if (!MetadataResolver.AreSame(method.Parameters[i].ParameterType, reference.Parameters[i].ParameterType))
{
return(false);
}
}
return(true);
}
private static bool AreSame(Collection <ParameterDefinition> a, Collection <ParameterDefinition> b)
{
int count = a.Count;
if (count != b.Count)
{
return(false);
}
if (count == 0)
{
return(true);
}
for (int i = 0; i < count; i++)
{
if (!MetadataResolver.AreSame(a[i].ParameterType, b[i].ParameterType))
{
return(false);
}
}
return(true);
}
private static TypeDefinition GetType(ModuleDefinition module, TypeReference reference)
{
TypeDefinition typeDefinition = MetadataResolver.GetTypeDefinition(module, reference);
if (typeDefinition != null)
{
return(typeDefinition);
}
if (!module.HasExportedTypes)
{
return(null);
}
Collection <ExportedType> exportedTypes = module.ExportedTypes;
for (int i = 0; i < exportedTypes.Count; i++)
{
ExportedType exportedType = exportedTypes[i];
if (!(exportedType.Name != reference.Name) && !(exportedType.Namespace != reference.Namespace))
{
return(exportedType.Resolve());
}
}
return(null);
}
private static bool AreSame(TypeReference a, TypeReference b)
{
if (object.ReferenceEquals(a, b))
{
return(true);
}
if (a == null || b == null)
{
return(false);
}
if (a.etype != b.etype)
{
return(false);
}
if (a.IsGenericParameter)
{
return(MetadataResolver.AreSame((GenericParameter)a, (GenericParameter)b));
}
if (a.IsTypeSpecification())
{
return(MetadataResolver.AreSame((TypeSpecification)a, (TypeSpecification)b));
}
return(!(a.Name != b.Name) && !(a.Namespace != b.Namespace) && MetadataResolver.AreSame(a.DeclaringType, b.DeclaringType));
}
private static bool AreSame(IModifierType a, IModifierType b)
{
return(MetadataResolver.AreSame(a.ModifierType, b.ModifierType));
}
public static MethodDefinition GetMethod(Collection <MethodDefinition> methods, MethodReference reference)
{
for (int i = 0; i < methods.Count; i++)
{
MethodDefinition methodDefinition = methods[i];
if (!(methodDefinition.Name != reference.Name) && methodDefinition.HasGenericParameters == reference.HasGenericParameters && (!methodDefinition.HasGenericParameters || methodDefinition.GenericParameters.Count == reference.GenericParameters.Count) && MetadataResolver.AreSame(methodDefinition.ReturnType, reference.ReturnType) && methodDefinition.IsVarArg() == reference.IsVarArg())
{
if (methodDefinition.IsVarArg() && MetadataResolver.IsVarArgCallTo(methodDefinition, reference))
{
return(methodDefinition);
}
if (methodDefinition.HasParameters == reference.HasParameters)
{
if (!methodDefinition.HasParameters && !reference.HasParameters)
{
return(methodDefinition);
}
if (MetadataResolver.AreSame(methodDefinition.Parameters, reference.Parameters))
{
return(methodDefinition);
}
}
}
}
return(null);
}
