/// <summary>
/// Mark all eachable items in argument as such.
/// </summary>
private static void Walk(ReachableContext context, ClassFile classFile)
{
// Mark owner
classFile.DeclaringClass.MarkReachable(context);
// Mark base class
classFile.SuperClass.MarkReachable(context);
// Mark interfaces
if (classFile.Interfaces != null)
{
foreach (var intf in classFile.Interfaces)
{
intf.MarkReachable(context);
}
}
// Mark class ctor
classFile.Methods.FirstOrDefault(x => x.Name == "<clinit>").MarkReachable(context);
// Mark methods of imported classes reachable
if (classFile.IsCreatedByLoader)
{
classFile.Methods.Where(x => x.IsPublic || x.IsProtected).ForEach(x => x.MarkReachable(context));
}
// If this is a class that does not have an imported C# wrapper, be safe and include everything from this class.
if (!context.HasDexImport(classFile))
{
context.MarkAsRoot(classFile);
}
// Record in context
context.RecordReachableType(classFile);
}
/// <summary>
/// Default ctor
/// </summary>
protected NestedTypeBuilder(TypeBuilder parent, string parentFullName, ClassFile cf, InnerClass inner)
{
this.parent = parent;
this.parentFullName = parentFullName;
this.cf = cf;
this.inner = inner;
}
protected override Model.NetCustomAttribute CreateDexImportAttribute(ClassFile cf)
{
var ca = base.CreateDexImportAttribute(cf);
ca.Properties.Add(AttributeConstants.DexImportAttributeIgnoreFromJavaName, true);
ca.Properties.Add(AttributeConstants.DexImportAttributePriority, 1);
return ca;
}
/// <summary>
/// Load a class by the given name.
/// </summary>
public bool TryLoadClass(string className, out ClassFile result)
{
#if DEBUG
//Debugger.Launch();
#endif
lock (dataLock)
{
foreach (var assemblyClasses in loadedAssemblies)
{
JavaClass jClass;
if (assemblyClasses.TryGetJavaClass(className, out jClass))
if (jClass != null)
{
result = jClass.Resolve(this, classLoaded);
return (result != null);
}
DexImport dexImport;
if (assemblyClasses.TryGetDexImport(className, out dexImport))
{
result = dexImport.Resolve(this, classLoaded, null);
return (result != null);
}
}
result = null;
return false;
}
}
/// <summary>
/// The given type has been made reachable.
/// </summary>
/// <returns>True if the class was marked reachable, false otherwise</returns>
internal bool IncludeIfNeeded(ReachableContext context, ClassFile javaClass)
{
if (javaClass.IsReachable)
return true; // Already included
if (className == null)
return false;
if (instanceOfCondition.IsInterface)
{
// Check implements
if (Implements(context, javaClass))
{
javaClass.MarkReachable(context);
return true;
}
}
else
{
// Check extends
if (Extends(javaClass))
{
javaClass.MarkReachable(context);
return true;
}
}
return false;
}
public FieldDefinition(ClassFile cf, FieldAccessFlags accessFlags, string name, string descriptor, string signature)
: base(cf, name)
{
this.accessFlags = accessFlags;
this.descriptor = descriptor;
fieldType = Descriptors.ParseFieldType(descriptor);
Signature = (signature != null) ? Signatures.ParseFieldTypeSignature(signature) : fieldType;
}
internal static IEnumerable<NestedTypeBuilder> Create(TypeBuilder parent, string parentFullName, ClassFile cf, InnerClass inner)
{
if (cf.IsInterface && cf.Fields.Any())
{
yield return new NestedInterfaceConstantsTypeBuilder(parent, parentFullName, cf, inner);
}
yield return new NestedTypeBuilder(parent, parentFullName, cf, inner);
}
public MethodDefinition(ClassFile cf, MethodAccessFlags accessFlags, string name, string descriptor, string signature)
: base(cf, name)
{
this.accessFlags = accessFlags;
this.descriptor = descriptor;
methodDescriptor = Descriptors.ParseMethodDescriptor(descriptor);
this.signature = (signature != null) ? Signatures.ParseMethodSignature(signature) : null;
}
/// <summary>
/// Get's the namespace of the given type after conversion.
/// </summary>
public string GetConvertedNamespace(ClassFile type)
{
/*if (type.IsNested)
{
return GetConvertedNamespace(type.DeclaringType);
}*/
return ClassName.JavaClassNameToClrTypeName(type.Package);
}
/// <summary>
/// Resolve the method into a java method definition.
/// </summary>
public JavaMethodDefinition Resolve(ClassFile declaringClass)
{
if (resolved == null)
{
// Load the class
resolved = BuildMethod(declaringClass);
}
return resolved;
}
/// <summary>
/// Default ctor
/// </summary>
public JavaTypeDefinition(XModule module, XTypeDefinition declaringType, ClassFile type)
: base(module, declaringType, false, null)
{
this.type = type;
fields = type.Fields.Select(x => new JavaFieldDefinition(this, x)).Cast<XFieldDefinition>().ToList().AsReadOnly();
methods = type.Methods.Select(x => new JavaMethodDefinition(this, x)).Cast<XMethodDefinition>().ToList().AsReadOnly();
nested = type.InnerClasses.Where(x => x.InnerClassFile.DeclaringClass == type).Select(x => new JavaTypeDefinition(module, this, x.InnerClassFile)).Cast<XTypeDefinition>().ToList().AsReadOnly();
interfaces = new List<XTypeReference>();
}
/// <summary>
/// Load a class with the given name
/// </summary>
public bool TryLoadClass(string className, out ClassFile result)
{
if (loadedClasses.TryGetValue(className, out result))
return true;
result = OpenClass(className + ".class");
if (result != null) return true;
if (nextClassLoader != null)
return nextClassLoader.TryLoadClass(className, out result);
return false;
}
public AssemblyDefinition GetAssembly(ClassFile classFile)
{
AssemblyClasses cl;
lock(dataLock)
cl = loadedAssemblies.SingleOrDefault(c => c.ClassNames.Contains(classFile.ClassName));
if (cl == null)
return null;
return cl.Assembly;
}
/// <summary>
/// Create all child nodes
/// </summary>
protected override void CreateChildNodes()
{
classDef = Source.OpenClass(FileName);
foreach (var field in classDef.Fields.OrderBy(x => x.Name))
{
Nodes.Add(new JavaFieldDefinitionNode(field));
}
foreach (var method in classDef.Methods.OrderBy(x => x.Name))
{
Nodes.Add(new JavaMethodDefinitionNode(method));
}
}
/// <summary>
/// Try to create a type builder for the given class.
/// </summary>
internal static bool TryCreateTypeBuilder(ClassFile cf, out TypeBuilder builder)
{
if (mappedTypeBuilders != null)
{
IMappedTypeBuilder mappedBuilder;
if (mappedTypeBuilders.TryGetValue(cf.ClassName, out mappedBuilder))
{
builder = mappedBuilder.Create(cf);
return true;
}
}
builder = null;
return false;
}
/// <summary>
/// Resolve the payload into a class file.
/// </summary>
public ClassFile Resolve(IClassLoader loader, Action<ClassFile> classLoaded)
{
if (resolved == null)
{
// Load the class
var raw = javaCode.Resolve(loader).GetResource(className + ".class");
resolved = new ClassFile(new MemoryStream(raw), loader);
if (classLoaded != null)
{
classLoaded(resolved);
}
}
return resolved;
}
/// <summary>
/// Finalize all references now that all types have been created
/// </summary>
public void Complete(ClassFile declaringClass, TargetFramework target)
{
if (method == null)
return;
// Add DexImport attribute
var ca = new NetCustomAttribute(null, javaMethod.Name, javaMethod.Descriptor);
ca.Properties.Add(AttributeConstants.DexImportAttributeAccessFlagsName, (int)javaMethod.AccessFlags);
if (method.HasUnsignedPartner)
{
ca.Properties.Add(AttributeConstants.DexImportAttributeIgnoreFromJavaName, true);
}
var signature = (javaMethod.Signature != null) ? javaMethod.Signature.Original : null;
if ((signature != null) && (signature != javaMethod.Descriptor))
{
ca.Properties.Add(AttributeConstants.DexImportAttributeSignature, signature);
}
method.CustomAttributes.Add(ca);
}
/// <summary>
/// Finalize all references now that all types have been created
/// </summary>
public void Complete(ClassFile declaringClass, TargetFramework target)
{
if (field == null)
return;
// Setup field value
var cValue = javaField.ConstantValue;
// Fixup value
if (cValue != null)
{
if (field.FieldType.IsSingle() && (float.IsPositiveInfinity((float)cValue) || float.IsNegativeInfinity((float)cValue)))
cValue = null;
if (field.FieldType.IsDouble() && (double.IsPositiveInfinity((double)cValue) || double.IsNegativeInfinity((double)cValue)))
cValue = null;
}
if (cValue != null)
{
field.DefaultValue = cValue;
}
else if (field.DeclaringType.IsEnum)
{
/*field.DefaultValue = field.DeclaringType.Fields.ToList().IndexOf(field);
field.Attributes |= FieldAttributes.Literal | FieldAttributes.Static;
field.Attributes &= ~FieldAttributes.InitOnly;*/
field.Attributes |= FieldAttributes.InitOnly | FieldAttributes.Static;
field.Attributes &= ~FieldAttributes.Literal;
}
else
{
field.Attributes &= ~FieldAttributes.Literal;
}
// Add DexImport attribute
var ca = new NetCustomAttribute(null, javaField.Name, javaField.Descriptor);
ca.Properties.Add(AttributeConstants.DexImportAttributeAccessFlagsName, (int)javaField.AccessFlags);
field.CustomAttributes.Add(ca);
}
/// <summary>
/// Create a builder
/// </summary>
public static IEnumerable<TypeBuilder> Create(ClassFile cf, TargetFramework target)
{
if (!ShouldImplement(cf, target))
yield break;
TypeBuilder builder;
if (MappedTypeBuilder.TryCreateTypeBuilder(cf, out builder))
{
yield return builder;
}
else
{
if (cf.IsInterface && cf.Fields.Any())
{
yield return new StandardInterfaceConstantsTypeBuilder(cf);
}
yield return new StandardTypeBuilder(cf);
}
}
/// <summary>
/// Default ctor
/// </summary>
internal JavaIoEOFExceptionBuilder(ClassFile cf)
: base(cf, "System.IO.EndOfStreamException", "java/io/EOFException")
{
}
/// <summary>
/// Gets the class name of the base class relevant for layout.xml.
/// </summary>
private static string GetLayoutBaseClassName(ClassFile classFile)
{
while (true)
{
var className = classFile.ClassName;
switch (className)
{
case SdkConstants.ViewClass:
case SdkConstants.ViewGroupClass:
return className;
case SdkConstants.ObjectClass:
return null;
}
// Go to the base class
if (!classFile.TryGetSuperClass(out classFile))
return null;
}
}
/// <summary>
/// Default ctor
/// </summary>
protected StandardTypeBuilder(ClassFile cf)
{
this.cf = cf;
}
/// <summary>
/// Create type attributes
/// </summary>
protected virtual TypeAttributes GetAttributes(ClassFile cf, bool hasFields)
{
var result = cf.IsPublic ? TypeAttributes.Public : TypeAttributes.NotPublic;
result |= cf.IsInterface ? TypeAttributes.Interface : TypeAttributes.Class;
if (cf.IsAbstract) result |= TypeAttributes.Abstract;
else if (cf.IsFinal) result |= TypeAttributes.Sealed;
return result;
}
/// <summary>
/// Register the given type in the type map.
/// </summary>
protected virtual void RegisterType(TargetFramework target, ClassFile classFile, NetTypeDefinition typeDef)
{
target.TypeNameMap.Add(classFile.ClassName, typeDef);
}
/// <summary>
/// Read the header
/// </summary>
internal void ReadHeader(ClassFile cf)
{
var magic = stream.ReadU4();
if (magic != ClassFile.Magic)
{
throw new Dot42Exception("Invalid magic");
}
cf.MinorVersion = stream.ReadU2();
cf.MajorVersion = stream.ReadU2();
var cpCount = stream.ReadU2();
var cp = new ConstantPool(cpCount, cf.Loader);
for (var i = 1; i < cpCount; i++)
{
var tag = (ConstantPoolTags)stream.ReadU1();
ConstantPoolEntry entry;
int tmp;
switch (tag)
{
case ConstantPoolTags.Class:
entry = new ConstantPoolClass(cp, stream.ReadU2());
break;
case ConstantPoolTags.Fieldref:
tmp = stream.ReadU2();
entry = new ConstantPoolFieldRef(cp, tmp, stream.ReadU2());
break;
case ConstantPoolTags.Methodref:
tmp = stream.ReadU2();
entry = new ConstantPoolMethodRef(cp, tmp, stream.ReadU2());
break;
case ConstantPoolTags.InterfaceMethodref:
tmp = stream.ReadU2();
entry = new ConstantPoolInterfaceMethodRef(cp, tmp, stream.ReadU2());
break;
case ConstantPoolTags.String:
entry = new ConstantPoolString(cp, stream.ReadU2());
break;
case ConstantPoolTags.Integer:
entry = new ConstantPoolInteger(cp, stream.ReadS4());
break;
case ConstantPoolTags.Float:
entry = new ConstantPoolFloat(cp, stream.ReadF4());
break;
case ConstantPoolTags.Long:
entry = new ConstantPoolLong(cp, stream.ReadS8());
break;
case ConstantPoolTags.Double:
entry = new ConstantPoolDouble(cp, stream.ReadF8());
break;
case ConstantPoolTags.NameAndType:
tmp = stream.ReadU2();
entry = new ConstantPoolNameAndType(cp, tmp, stream.ReadU2());
break;
case ConstantPoolTags.Utf8:
tmp = stream.ReadU2();
entry = new ConstantPoolUtf8(cp, stream.ReadUTF8(tmp));
break;
default:
throw new Dot42Exception("Unknown constant pool tag: " + (int)tag);
}
cp[i] = entry;
if ((tag == ConstantPoolTags.Double) || (tag == ConstantPoolTags.Long))
{
i++;
}
}
cf.ClassAccessFlags = (ClassAccessFlags)stream.ReadU2();
var index = stream.ReadU2();
cf.ClassName = cp.GetEntry <ConstantPoolClass>(index).Name;
index = stream.ReadU2();
cf.SuperClass = (index == 0) ? null : new ObjectTypeReference(cp.GetEntry <ConstantPoolClass>(index).Name, null);
// Interfaces
var icount = stream.ReadU2();
var interfaces = new string[icount];
for (var i = 0; i < icount; i++)
{
index = stream.ReadU2();
interfaces[i] = cp.GetEntry <ConstantPoolClass>(index).Name;
}
cf.Interfaces = interfaces.Select(x => new ObjectTypeReference(x, null)).ToArray();
// Fields
var fcount = stream.ReadU2();
for (var i = 0; i < fcount; i++)
{
var accessFlags = (FieldAccessFlags)stream.ReadU2();
var nameIndex = stream.ReadU2();
var descriptorIndex = stream.ReadU2();
var name = cp.GetEntry <ConstantPoolUtf8>(nameIndex).Value;
var descriptor = cp.GetEntry <ConstantPoolUtf8>(descriptorIndex).Value;
var field = new FieldDefinition(cf, accessFlags, name, descriptor, null);
ReadAttributes(cp, field);
cf.Fields.Add(field);
}
// Methods
var mcount = stream.ReadU2();
for (var i = 0; i < mcount; i++)
{
var accessFlags = (MethodAccessFlags)stream.ReadU2();
var nameIndex = stream.ReadU2();
var descriptorIndex = stream.ReadU2();
var name = cp.GetEntry <ConstantPoolUtf8>(nameIndex).Value;
var descriptor = cp.GetEntry <ConstantPoolUtf8>(descriptorIndex).Value;
var method = new MethodDefinition(cf, accessFlags, name, descriptor, null);
ReadAttributes(cp, method);
cf.Methods.Add(method);
}
// Attributes
ReadAttributes(cp, cf);
}
/// <summary>
/// Default ctor
/// </summary>
internal JavaLangBooleanBuilder(ClassFile cf)
: base(cf, "System.Boolean", "java/lang/Boolean")
{
}
/// <summary>
/// Gets the converted name of the given type.
/// </summary>
public static string GetConvertedName(ClassFile type)
{
return ConvertTypeName(type.Name);
}
/// <summary>
/// Default ctor
/// </summary>
internal JavaLangNullPointerExceptionBuilder(ClassFile cf)
: base(cf, "System.NullReferenceException", "java/lang/NullPointerException")
{
}
/// <summary>
/// Default ctor
/// </summary>
internal JavaLangOutOfMemoryErrorBuilder(ClassFile cf)
: base(cf, "System.OutOfMemoryException", "java/lang/OutOfMemoryError")
{
}
/// <summary>
/// Default ctor
/// </summary>
protected MemberDefinition(ClassFile cf, string name)
{
this.cf = cf;
this.name = name;
}
/// <summary>
/// Default ctor
/// </summary>
internal JavaNetUriBuilder(ClassFile cf)
: base(cf, "System.Uri", "java/net/URI")
{
}
/// <summary>
/// Default ctor
/// </summary>
internal JavaLangMathBuilder(ClassFile cf)
: base(cf, "System.Math", "java/lang/Math")
{
}
/// <summary>
/// Is the given class an enum?
/// </summary>
public static bool IsEnum(this ClassFile cf)
{
return(cf.IsEnum || ((cf.SuperClass != null) && (cf.SuperClass.ClassName == "java/lang/Enum")));
}
