/// <summary>
/// Create code to load a value from an annotation interface.
/// </summary>
/// <returns>The register(s) holding the value</returns>
private static Register[] CreateLoadValueSequence(
ISourceLocation seqp,
MethodBody body,
TypeReference valueType,
Register annotationReg,
MethodDefinition getter)
{
if (valueType.IsWide())
{
Tuple <Register, Register> regs = body.AllocateWideRegister(RCategory.Temp);
body.Instructions.Add(seqp, RCode.Invoke_interface, getter, annotationReg);
body.Instructions.Add(seqp, RCode.Move_result_wide, regs.Item1);
return(new[] { regs.Item1, regs.Item2 });
}
if (valueType is PrimitiveType)
{
Register reg = body.AllocateRegister(RCategory.Temp, RType.Value);
body.Instructions.Add(seqp, RCode.Invoke_interface, getter, annotationReg);
body.Instructions.Add(seqp, RCode.Move_result, reg);
return(new[] { reg });
}
else
{
Register reg = body.AllocateRegister(RCategory.Temp, RType.Object);
body.Instructions.Add(seqp, RCode.Invoke_interface, getter, annotationReg);
body.Instructions.Add(seqp, RCode.Move_result_object, reg);
return(new[] { reg });
}
}
private TypeReference ConvertTypeReference(TypeReference sourceRef, AssemblyCompiler compiler, DexTargetPackage targetPackage)
{
if (sourceRef is PrimitiveType)
{
return(sourceRef);
}
if (sourceRef is ByReferenceType)
{
var type = (ByReferenceType)sourceRef;
var elementType = ConvertTypeReference(type.ElementType, compiler, targetPackage);
return(new ByReferenceType(elementType));
}
if (sourceRef is ArrayType)
{
var arrayType = (ArrayType)sourceRef;
var elementType = ConvertTypeReference(arrayType.ElementType, compiler, targetPackage);
return(new ArrayType(elementType));
}
// must be ClassReference
return(ConvertClassReference((ClassReference)sourceRef, compiler, targetPackage));
}
private TypeReference ConvertTypeReference(TypeReference sourceRef, AssemblyCompiler compiler, DexTargetPackage targetPackage)
{
if (sourceRef is PrimitiveType)
{
return sourceRef;
}
if (sourceRef is ByReferenceType)
{
var type = (ByReferenceType) sourceRef;
var elementType = ConvertTypeReference(type.ElementType, compiler, targetPackage);
return new ByReferenceType(elementType);
}
if (sourceRef is ArrayType)
{
var arrayType = (ArrayType) sourceRef;
var elementType = ConvertTypeReference(arrayType.ElementType,compiler, targetPackage);
return new ArrayType(elementType);
}
// must be ClassReference
return ConvertClassReference((ClassReference)sourceRef, compiler, targetPackage);
}
/// <summary>
/// Create an annotation interface.
/// </summary>
internal static AttributeAnnotationInterface Create(
ISourceLocation sequencePoint,
AssemblyCompiler compiler,
DexTargetPackage targetPackage,
TypeDefinition attributeType,
ClassDefinition attributeClass)
{
// Create class
ClassDefinition @interface = new ClassDefinition();
@interface.Name = CreateAnnotationTypeName(attributeClass);
@interface.Namespace = attributeClass.Namespace;
@interface.AccessFlags = AccessFlags.Public | AccessFlags.Abstract | AccessFlags.Interface | AccessFlags.Annotation;
@interface.Owner = attributeClass;
attributeClass.InnerClasses.Add(@interface);
// Set super class
@interface.SuperClass = new ClassReference("java/lang/Object");
// Implement Dot42.Internal.IAttribute
@interface.Interfaces.Add(new ClassReference("java/lang/annotation/Annotation"));
// Prepare result
AttributeAnnotationInterface result = new AttributeAnnotationInterface(@interface);
// Add methods from IAttribute
XModel.XTypeDefinition baseIntfType = compiler.GetDot42InternalType("IAttribute").Resolve();
foreach (XModel.XMethodDefinition imethod in baseIntfType.Methods)
{
if (imethod.Parameters.Count > 0)
{
throw new CompilerException(string.Format("Invalid IAttribute method {0}", imethod));
}
string methodName = NameConverter.GetConvertedName(imethod);
TypeReference dfieldType = imethod.ReturnType.GetReference(targetPackage);
MethodDefinition method = new MethodDefinition(@interface, methodName, new Prototype(dfieldType));
method.AccessFlags = AccessFlags.Public | AccessFlags.Abstract;
@interface.Methods.Add(method);
}
// Add field mapping
foreach (var field in attributeType.Fields.Where(x => x.IsReachable && x.IsPublic))
{
string methodName = CreateGetMethodName(NameConverter.GetConvertedName(field), result);
TypeReference dfieldType = field.FieldType.GetReference(targetPackage, compiler.Module);
MethodDefinition method = new MethodDefinition(@interface, methodName, new Prototype(dfieldType));
method.AccessFlags = AccessFlags.Public | AccessFlags.Abstract;
result.FieldToGetMethodMap.Add(field, method);
@interface.Methods.Add(method);
}
// Add property mapping
foreach (var property in attributeType.Properties.Where(x => x.IsReachable && (x.SetMethod != null) && (x.SetMethod.IsPublic) && x.SetMethod.IsReachable))
{
string methodName = CreateGetMethodName(NameConverter.GetConvertedName(property), result);
TypeReference dpropType = property.PropertyType.GetReference(targetPackage, compiler.Module);
MethodDefinition method = new MethodDefinition(@interface, methodName, new Prototype(dpropType));
method.AccessFlags = AccessFlags.Public | AccessFlags.Abstract;
result.PropertyToGetMethodMap.Add(property, method);
@interface.Methods.Add(method);
}
// Add ctor mapping
var argIndex = 0;
foreach (var ctor in attributeType.Methods.Where(x => (x.Name == ".ctor") && x.IsReachable))
{
// Add methods for the ctor arguments
List <MethodDefinition> paramGetMethods = new List <MethodDefinition>();
foreach (ParameterDefinition p in ctor.Parameters)
{
string methodName = CreateGetMethodName("c" + argIndex++, result);
TypeReference dparamType = p.ParameterType.GetReference(targetPackage, compiler.Module);
MethodDefinition method = new MethodDefinition(@interface, methodName, new Prototype(dparamType));
method.AccessFlags = AccessFlags.Public | AccessFlags.Abstract;
@interface.Methods.Add(method);
paramGetMethods.Add(method);
}
// Add a builder method
MethodDefinition buildMethod = CreateBuildMethod(sequencePoint, ctor, paramGetMethods, compiler, targetPackage, attributeClass, result);
result.CtorMap.Add(ctor, new AttributeCtorMapping(buildMethod, paramGetMethods));
}
// Create default values annotation
Annotation defAnnotation = CreateDefaultAnnotation(result);
result.AnnotationInterfaceClass.Annotations.Add(defAnnotation);
return(result);
}
/// <summary>
/// Create a method definition for the builder method that builds a custom attribute from an annotation.
/// </summary>
private static MethodDefinition CreateBuildMethod(
ISourceLocation seqp,
Mono.Cecil.MethodDefinition ctor,
List <MethodDefinition> paramGetMethods,
AssemblyCompiler compiler,
DexTargetPackage targetPackage,
ClassDefinition attributeClass,
AttributeAnnotationInterface mapping)
{
// Create method definition
string name = CreateBuildMethodName(attributeClass);
TypeReference attributeTypeRef = ctor.DeclaringType.GetReference(targetPackage, compiler.Module);
MethodDefinition method = new MethodDefinition(attributeClass, name, new Prototype(attributeTypeRef, new Parameter(mapping.AnnotationInterfaceClass, "ann")));
method.AccessFlags = AccessFlags.Public | AccessFlags.Static | AccessFlags.Synthetic;
attributeClass.Methods.Add(method);
// Create method body
MethodBody body = new MethodBody(null);
Register annotationReg = body.AllocateRegister(RCategory.Argument, RType.Object);
//body.Instructions.Add(seqp, RCode.Check_cast, mapping.AnnotationInterfaceClass, annotationReg);
// Allocate attribute
Register attributeReg = body.AllocateRegister(RCategory.Temp, RType.Object);
body.Instructions.Add(seqp, RCode.New_instance, attributeClass, attributeReg);
// Get ctor arguments
List <Register> ctorArgRegs = new List <Register>();
foreach (MethodDefinition p in paramGetMethods)
{
TypeReference paramType = p.Prototype.ReturnType;
Register[] valueRegs = CreateLoadValueSequence(seqp, body, paramType, annotationReg, p);
ctorArgRegs.AddRange(valueRegs);
}
// Invoke ctor
DexLib.MethodReference dctor = ctor.GetReference(targetPackage, compiler.Module);
body.Instructions.Add(seqp, RCode.Invoke_direct, dctor, new[] { attributeReg }.Concat(ctorArgRegs).ToArray());
// Get field values
foreach (var fieldMap in mapping.FieldToGetMethodMap)
{
Mono.Cecil.FieldDefinition field = fieldMap.Key;
MethodDefinition getter = fieldMap.Value;
Register[] valueRegs = CreateLoadValueSequence(seqp, body, getter.Prototype.ReturnType, annotationReg, getter);
DexLib.FieldReference dfield = field.GetReference(targetPackage, compiler.Module);
XModel.XTypeReference xFieldType = XBuilder.AsTypeReference(compiler.Module, field.FieldType);
body.Instructions.Add(seqp, xFieldType.IPut(), dfield, valueRegs[0], attributeReg);
}
// Get property values
foreach (var propertyMap in mapping.PropertyToGetMethodMap)
{
PropertyDefinition property = propertyMap.Key;
MethodDefinition getter = propertyMap.Value;
Register[] valueRegs = CreateLoadValueSequence(seqp, body, getter.Prototype.ReturnType, annotationReg, getter);
DexLib.MethodReference dmethod = property.SetMethod.GetReference(targetPackage, compiler.Module);
XModel.XMethodDefinition xSetMethod = XBuilder.AsMethodDefinition(compiler.Module, property.SetMethod);
body.Instructions.Add(seqp, xSetMethod.Invoke(xSetMethod, null), dmethod, new[] { attributeReg }.Concat(valueRegs).ToArray());
}
// Return attribute
body.Instructions.Add(seqp, RCode.Return_object, attributeReg);
// Register method body
targetPackage.Record(new CompiledMethod()
{
DexMethod = method, RLBody = body
});
// Return method
return(method);
}
/// <summary>
/// Create code to load a value from an annotation interface.
/// </summary>
/// <returns>The register(s) holding the value</returns>
private static Register[] CreateLoadValueSequence(
ISourceLocation seqp,
MethodBody body,
TypeReference valueType,
Register annotationReg,
MethodDefinition getter)
{
if (valueType.IsWide())
{
Tuple<Register, Register> regs = body.AllocateWideRegister(RCategory.Temp);
body.Instructions.Add(seqp, RCode.Invoke_interface, getter, annotationReg);
body.Instructions.Add(seqp, RCode.Move_result_wide, regs.Item1);
return new[] { regs.Item1, regs.Item2 };
}
if (valueType is PrimitiveType)
{
Register reg = body.AllocateRegister(RCategory.Temp, RType.Value);
body.Instructions.Add(seqp, RCode.Invoke_interface, getter, annotationReg);
body.Instructions.Add(seqp, RCode.Move_result, reg);
return new[] { reg };
}
else
{
Register reg = body.AllocateRegister(RCategory.Temp, RType.Object);
body.Instructions.Add(seqp, RCode.Invoke_interface, getter, annotationReg);
body.Instructions.Add(seqp, RCode.Move_result_object, reg);
return new[] { reg };
}
}
public Parameter(TypeReference type, string name) : this()
{
Type = type;
Name = name;
}