public static SharpAssembly LoadFrom(string filename, bool fromGAC)
{
// lock the assembly object in case that the preload thread is conflicting with another
lock (typeof(SharpAssembly)) {
AssemblyReader read = new AssemblyReader();
read.Load(filename);
SharpAssembly asm = new SharpAssembly(read, fromGAC);
asm.LoadReferences();
asm.LoadNestedTypeTable();
asm.LoadAttributeTable();
asm.LoadFieldConstants();
return asm;
}
}
void AddProperties(SharpAssembly_ asm, TypeDef[] typeDefTable, uint index)
{
PropertyMap[] propertyMapTable = asm.Tables.PropertyMap;
Property[] propertyTable = asm.Tables.Property;
if (propertyMapTable == null || propertyTable == null) {
return;
}
for (int i = 1; i <= propertyMapTable.GetUpperBound(0); ++i) {
PropertyMap propertyMap = propertyMapTable[i];
if (propertyMap.Parent == index) {
uint propertyIndexStart = propertyMap.PropertyList;
// 0 means no properties
if (propertyIndexStart == 0) {
return;
}
uint propertyIndexEnd = (uint)propertyTable.GetUpperBound(0);
if (i < propertyMapTable.GetUpperBound(0)) {
propertyIndexEnd = propertyMapTable[i + 1].PropertyList;
}
for (uint j = propertyIndexStart; j < propertyIndexEnd; ++j) {
IProperty newProperty = new SharpAssemblyProperty(asm, propertyTable, this, j);
properties.Add(newProperty);
}
break;
}
}
}
/// <summary>
/// The constructor is private because the only way to construct SharpAssemblyClass objects
/// is to call FromTypeRef/Def to make us of the cache
/// </summary>
private SharpAssemblyClass(SharpAssembly_ assembly, TypeDef[] typeDefTable, uint index)
{
if (assembly == null) {
throw new System.ArgumentNullException("assembly");
}
if (typeDefTable == null) {
throw new System.ArgumentNullException("typeDefTable");
}
if (index > typeDefTable.GetUpperBound(0) || index < 1) {
throw new System.ArgumentOutOfRangeException("index", index, String.Format("must be between 1 and {0}!", typeDefTable.GetUpperBound(0)));
}
TypeDef typeDef = typeDefTable[index];
typeDefIndex = index; // store index for use in LoadMembers()
declaredIn = assembly;
FullyQualifiedName = GetNestedName(assembly, typeDefTable, index);
// store in assembly's cache
assembly.TypeDefObjects[index] = this;
if (typeDef.IsFlagSet(TypeDef.FLAG_INTERFACE)) {
classType = ClassType.Interface;
} else if (typeDef.IsFlagSet(TypeDef.FLAG_CLASS)) {
classType = ClassType.Class;
}
if (typeDef.Extends == 0) goto noext;
SharpAssemblyClass extend = GetTypeRefOrDefClass(assembly, typeDef.Extends);
if (extend == null) goto noext;
if (extend.FullyQualifiedName == "System.Enum") {
classType = ClassType.Enum;
} else if (extend.FullyQualifiedName == "System.ValueType") {
classType = ClassType.Struct;
}
baseTypeCollection.Add(extend);
if (IsSubclassOf("System.Delegate")) classType = ClassType.Delegate;
noext:
InterfaceImpl[] ifaces = assembly.Tables.InterfaceImpl;
if (ifaces == null) goto nointerfaces;
for (int i = 1; i <= ifaces.GetUpperBound(0); ++i) {
if (ifaces[i].Class == index) {
SharpAssemblyClass impl = GetTypeRefOrDefClass(assembly, ifaces[i].Interface);
if (impl != null) {
baseTypeCollection.Add(impl);
}
}
}
nointerfaces:
NestedClass[] nestedClasses = assembly.Tables.NestedClass;
if (nestedClasses == null) goto nonested;
for (int i = 1; i <= nestedClasses.GetUpperBound(0); ++i) {
if (nestedClasses[i].EnclosingClass == index) {
IClass newclass = FromTypeDef(assembly, nestedClasses[i].NestedClassIndex);
innerClasses.Add(newclass);
}
}
nonested:
// Attributes
ArrayList attrib = assembly.Attributes.TypeDef[index] as ArrayList;
if (attrib == null) goto modifiers;
AbstractAttributeSection sect = new AbstractAttributeSection();
foreach(SharpCustomAttribute customattribute in attrib) {
sect.Attributes.Add(new SharpAssemblyAttribute(assembly, customattribute));
}
attributes.Add(sect);
modifiers:
modifiers = ModifierEnum.None;
if (typeDef.IsFlagSet(TypeDef.FLAG_SEALED)) {
modifiers |= ModifierEnum.Sealed;
}
if (typeDef.IsFlagSet(TypeDef.FLAG_ABSTRACT)) {
modifiers |= ModifierEnum.Abstract;
}
if (typeDef.IsMaskedFlagSet(TypeDef.FLAG_NESTEDPRIVATE, TypeDef.FLAG_VISIBILITYMASK)) {
modifiers |= ModifierEnum.Private;
} else if (typeDef.IsMaskedFlagSet(TypeDef.FLAG_NESTEDPUBLIC, TypeDef.FLAG_VISIBILITYMASK) || typeDef.IsMaskedFlagSet(TypeDef.FLAG_PUBLIC, TypeDef.FLAG_VISIBILITYMASK)) {
modifiers |= ModifierEnum.Public;
} else if (typeDef.IsMaskedFlagSet(TypeDef.FLAG_NESTEDASSEMBLY, TypeDef.FLAG_VISIBILITYMASK) ||
typeDef.IsMaskedFlagSet(TypeDef.FLAG_NOTPUBLIC, TypeDef.FLAG_VISIBILITYMASK)) {
modifiers |= ModifierEnum.Internal;
} else if (typeDef.IsMaskedFlagSet(TypeDef.FLAG_NESTEDFAMILY, TypeDef.FLAG_VISIBILITYMASK)) {
modifiers |= ModifierEnum.Protected;
} else if (typeDef.IsMaskedFlagSet(TypeDef.FLAG_NESTEDFAMORASSEM, TypeDef.FLAG_VISIBILITYMASK)) {
modifiers |= ModifierEnum.ProtectedOrInternal;
} else if (typeDef.IsMaskedFlagSet(TypeDef.FLAG_NESTEDFAMANDASSEM, TypeDef.FLAG_VISIBILITYMASK)) {
modifiers |= ModifierEnum.Protected;
modifiers |= ModifierEnum.Internal;
}
if (typeDef.IsFlagSet(TypeDef.FLAG_SPECIALNAME)) {
modifiers |= ModifierEnum.SpecialName;
}
/* members are loaded on demand now
if (classType != ClassType.Delegate && loadMembers) {
AddMethods(assembly, typeDefTable, index);
AddFields(assembly, typeDefTable, index);
AddProperties(assembly, typeDefTable, index);
AddEvents(assembly, typeDefTable, index);
membersLoaded = true;
}
*/
}
void AddMethods(SharpAssembly_ asm, TypeDef[] typeDefTable, uint index)
{
Method[] methodDefTable = asm.Tables.Method;
if (methodDefTable == null) {
return;
}
uint methodIndexStart = typeDefTable[index].MethodList;
// 0 means no methods
if (methodIndexStart == 0) {
return;
}
uint methodIndexEnd = (uint)methodDefTable.GetUpperBound(0);
if (index < typeDefTable.GetUpperBound(0)) {
methodIndexEnd = typeDefTable[index + 1].MethodList;
}
for (uint i = methodIndexStart; i < methodIndexEnd; ++i) {
IMethod newMethod = new SharpAssemblyMethod(asm, methodDefTable, this, i);
methods.Add(newMethod);
}
}
void AddFields(SharpAssembly_ asm, TypeDef[] typeDefTable, uint index)
{
Field[] fieldTable = asm.Tables.Field;
if (fieldTable == null) {
return;
}
uint fieldIndexStart = typeDefTable[index].FieldList;
// 0 means no fields
if (fieldIndexStart == 0) {
return;
}
uint fieldIndexEnd = (uint)fieldTable.GetUpperBound(0);
if (index < typeDefTable.GetUpperBound(0)) {
fieldIndexEnd = typeDefTable[index + 1].FieldList;
}
for (uint i = fieldIndexStart; i < fieldIndexEnd; ++i) {
IField newField = new SharpAssemblyField(asm, fieldTable, this, i);
fields.Add(newField);
}
}
void AddEvents(SharpAssembly_ asm, TypeDef[] typeDefTable, uint index)
{
EventMap[] eventMapTable = asm.Tables.EventMap;
Event[] eventTable = asm.Tables.Event;
if (eventMapTable == null || eventTable == null) {
return;
}
for (int i = 1; i <= eventMapTable.GetUpperBound(0); ++i) {
EventMap eventMap = eventMapTable[i];
if (eventMap.Parent == index) {
uint eventIndexStart = eventMap.EventList;
// 0 means no events
if (eventIndexStart == 0) {
return;
}
uint eventIndexEnd = (uint)eventTable.GetUpperBound(0);
if (i < eventMapTable.GetUpperBound(0)) {
eventIndexEnd = eventMapTable[i + 1].EventList;
}
for (uint j = eventIndexStart; j < eventIndexEnd; ++j) {
IEvent newEvent = new SharpAssemblyEvent(asm, eventTable, this, j);
events.Add(newEvent);
}
break;
}
}
}
private static SharpAssemblyClass GetTypeRefOrDefClass(SharpAssembly_ assembly, uint cind)
{
uint nTable = cind & 0x03;
uint nIndex = cind >> 2;
switch (nTable) {
case 0: // TypeDef
return FromTypeDef(assembly, nIndex);
case 1: // TypeRef
return FromTypeRef(assembly, nIndex);
default:
Runtime.LoggingService.Info("GetTypeRefOrDefClass: Wrong TypeDefOrRef coded index!");
return null;
}
}
public static string GetNestedName(SharpAssembly_ asm, TypeDef[] typeDefTable, uint index)
{
uint nestedParent = asm.GetNestedTypeParent(index);
if (nestedParent == 0) {
return asm.Reader.GetStringFromHeap(typeDefTable[index].NSpace) + "." + asm.Reader.GetStringFromHeap(typeDefTable[index].Name);
}
return GetNestedName(asm, typeDefTable, nestedParent) + "+" + asm.Reader.GetStringFromHeap(typeDefTable[index].Name);
}
public static string GetNestedName(SharpAssembly_ asm, TypeRef[] typeRefTable, uint index)
{
uint val = typeRefTable[index].ResolutionScope;
int table = asm.Reader.GetCodedIndexTable(CodedIndex.ResolutionScope, ref val);
switch (table) {
case 2: // AssemblyRef
return asm.Reader.GetStringFromHeap(typeRefTable[index].Nspace) + "." + asm.Reader.GetStringFromHeap(typeRefTable[index].Name);
case 3: // TypeRef -- nested type
return GetNestedName(asm, typeRefTable, val) + "+" + asm.Reader.GetStringFromHeap(typeRefTable[index].Name);
default: // other token - not supported
Runtime.LoggingService.Info("GetNestedName: Unsupported resolution scope!");
goto case 3;
}
}
public static SharpAssemblyClass[] GetAssemblyTypes(SharpAssembly_ assembly)
{
TypeDef[] typeDefTable = assembly.Tables.TypeDef;
if (typeDefTable == null) return new SharpAssemblyClass[0];
ArrayList classes = new ArrayList();
for (uint i = 1; i <= typeDefTable.GetUpperBound(0); ++i) {
try {
IClass newclass = new SharpAssemblyClass(assembly, typeDefTable, i);
classes.Add(newclass);
} catch {
Runtime.LoggingService.Info("GetAssemblyTypes: Error loading class " + i);
}
}
return (SharpAssemblyClass[])classes.ToArray(typeof(SharpAssemblyClass));
}
/// <summary>
/// Constructs a SharpAssemblyClass from an entry in the assembly's TypeRef table
/// by looking in the referencing assembly's TypeDef table
/// </summary>
public static SharpAssemblyClass FromTypeRef(SharpAssembly_ referencingAssembly, uint index)
{
if (referencingAssembly.TypeRefObjects[index] as SharpAssemblyClass != null) {
return (SharpAssemblyClass)referencingAssembly.TypeRefObjects[index];
}
TypeRef[] typeRefTable = referencingAssembly.Tables.TypeRef;
string name = referencingAssembly.Reader.GetStringFromHeap(typeRefTable[index].Name);
SharpAssembly_ declaringAssembly = referencingAssembly.GetRefAssemblyFor(index);
if (declaringAssembly == null) {
Console.Write("FromTypeRef failed for: " + name + " declared in assembly " + referencingAssembly.Name);
Runtime.LoggingService.Info(": Declaring assembly not found.");
return null;
}
TypeDef[] typeDefTable = declaringAssembly.Tables.TypeDef;
if (typeDefTable == null) {
return null;
}
string nestedName = GetNestedName(referencingAssembly, typeRefTable, index);
for (uint i = 1; i <= typeDefTable.GetUpperBound(0); ++i) {
if (declaringAssembly.Reader.GetStringFromHeap(typeDefTable[i].Name) == name) {
if (GetNestedName(declaringAssembly, typeDefTable, i) == nestedName) {
SharpAssemblyClass newclass = FromTypeDef(declaringAssembly, i);
// store new class object in assembly's cache
if (newclass != null) referencingAssembly.TypeRefObjects[index] = newclass;
return newclass;
}
}
}
Console.Write("FromTypeRef failed for: " + name + " declared in assembly " + referencingAssembly.Name);
Runtime.LoggingService.Info(": Matching type not found for nested name: " + nestedName);
return null;
}
/// <summary>
/// Constructs a SharpAssemblyClass from an entry in the assembly's TypeDef table
/// Looks in the class cache for the assembly first
/// </summary>
public static SharpAssemblyClass FromTypeDef(SharpAssembly_ assembly, uint index)
{
if (assembly.TypeDefObjects[index] as SharpAssemblyClass != null) {
SharpAssemblyClass exclass = (SharpAssemblyClass)assembly.TypeDefObjects[index];
return exclass;
}
return new SharpAssemblyClass(assembly, assembly.Tables.TypeDef, index);
}
public SharpCustomAttribute(SharpAssembly Assembly, uint TypeIndex, uint ValueIndex)
{
assembly = Assembly;
valueIndex = ValueIndex;
memberIndex = TypeIndex;
int table = assembly.Reader.GetCodedIndexTable(CodedIndex.CustomAttributeType, ref memberIndex);
if (table == 3) isMemberRef = true;
}
