public void PopValue(CilProgram program, CilType cilType, out IValue val)
{
Pop(out var stackVal);
var valType = cilType.GetValueType(program);
val = ConvertToValue(stackVal, valType);
}
public override IValue CreateDefaultValue(CilProgram program)
{
if (program.IsExternalType(ClassName))
{
var type = ReflectionHelper.GetExternalType(ClassName);
var getDefault = GetType().GetMethod(nameof(GetDefaultGeneric), BindingFlags.NonPublic | BindingFlags.Static).MakeGenericMethod(type);
var defaultValue = getDefault.Invoke(null, null);
return(new CilValueExternal(defaultValue));
}
var @class = program.AllClasses.Single(c => c.Name.ToString() == ClassName.ToString());
if (@class.IsInterface)
{
return(new CilValueNull());
}
if (IsValueType(program))
{
var emptyInstance = new CilClassInstance(@class, program, null);
return(new CilValueValueType(emptyInstance));
}
return(new CilValueNull());
}
public override Type GetRuntimeType(CilProgram program)
{
var lengths = Enumerable.Repeat(0, Dimensions).ToArray();
var fakeArray = Array.CreateInstance(ElementType.GetRuntimeType(program), lengths);
var result = fakeArray.GetType();
return(result);
}
public object AsRuntime(CilType cilType, CilManagedMemory managedMemory, CilProgram program)
{
if (cilType is CilTypeUInt32)
{
return(Value);
}
throw new System.NotImplementedException();
}
public static Type GetExternalType(CilTypeSpec typeSpec, CilProgram program)
{
if (typeSpec.ClassName != null)
{
return(GetExternalType(typeSpec.ClassName));
}
return(typeSpec.Type.GetRuntimeType(program));
}
public override Type GetValueType(CilProgram program)
{
if (program.IsExternalType(ClassName))
{
return(typeof(CilValueExternal));
}
return(typeof(CilValueValueType));
}
public override Type GetRuntimeType(CilProgram program)
{
if (program.IsExternalType(ClassName))
{
return(ReflectionHelper.GetExternalType(ClassName));
}
throw new NotImplementedException();
}
public override Type GetValueType(CilProgram program)
{
if (IsValueType(program))
{
return(typeof(CilValueValueType));
}
return(typeof(CilValueReference));
}
public CilArray(CilType type, int numElems, CilProgram program)
{
_array = new IValue[numElems];
for (int i = 0; i < numElems; i++)
{
_array[i] = type.CreateDefaultValue(program);
}
_type = type;
}
public CilOrderedDictionary(List <CilSigArg> localsSigArgs, CilProgram program)
{
_dict = new OrderedDictionary(localsSigArgs.Count);
_typesDict = new OrderedDictionary(localsSigArgs.Count);
foreach (var sigArg in localsSigArgs)
{
_dict.Add(sigArg.Id, sigArg.Type.CreateDefaultValue(program));
_typesDict.Add(sigArg.Id, sigArg.Type);
}
}
public CilClassStaticInstance(CilClass @class, CilProgram program)
{
_class = @class;
StaticFields = new Dictionary <string, IValue>();
foreach (var field in @class.Fields.Where(f => f.IsStatic))
{
var initValue = field.InitValue ?? field.Type.CreateDefaultValue(program);
StaticFields.Add(field.Name, initValue);
}
}
public override IValue Unbox(CilObject obj, CilManagedMemory managedMemory, CilProgram program)
{
if (obj is CilObjectExternal objExternal)
{
if (objExternal.ExternalObject.GetType().IsEnum)
{
var result = Convert.ToInt32(objExternal.ExternalObject);
return(new CilValueInt32(result));
}
}
throw new NotImplementedException();
}
public CilClassInstance(CilClass @class, CilProgram program, CilManagedMemory managedMemory)
{
Class = @class;
Fields = new Dictionary <string, IValue>();
foreach (var field in @class.Fields.Where(f => !f.IsStatic))
{
Fields.Add(field.Name, field.Type.CreateDefaultValue(program));
}
var runtimeType = program.IsValueType(@class.Name) ? Class.BuildRuntimeType(program, managedMemory) : Class.BuildRuntimeProxy(program);
_externalInstance = FormatterServices.GetUninitializedObject(runtimeType);
}
public override IValue CreateDefaultValue(CilProgram program)
{
if (program.IsExternalType(ClassName))
{
var type = ReflectionHelper.GetExternalType(ClassName);
var getDefault = GetType().GetMethod(nameof(GetDefaultGeneric), BindingFlags.NonPublic | BindingFlags.Static).MakeGenericMethod(type);
var defaultValue = getDefault.Invoke(null, null);
return(new CilValueExternal(defaultValue));
}
var classType = new CilTypeClass(ClassName);
return(classType.CreateDefaultValue(program));
}
public bool IsInstanceOf(CilTypeSpec typeSpec, CilProgram program)
{
var cilType = typeSpec.GetCilType(program);
if (cilType is CilTypeClass cilTypeClass)
{
if (cilTypeClass.ClassName.ToString() == this.Class.Name.ToString())
{
return(true);
}
throw new System.NotImplementedException();
}
else
{
throw new System.NotImplementedException();
}
}
public CilInterpreterInstructionsVisitor(CilProgram program)
{
var state = new CilControlState(program);
var managedMemory = new CilDictionaryManagedMemory();
_executionState = new CilExecutionState(state, managedMemory);
_instructionNoneVisitor = new InstructionNoneInterpreterVisitor(program, _executionState);
_instructionMethodVisitor = new InstructionMethodInterpreterVisitor(program, _executionState);
_instructionStringVisitor = new InstructionStringInterpreterVisitor(program, _executionState);
_instructionIVisitor = new InstructionIInterpreterVisitor(program, _executionState);
_instructionTypeVisitor = new InstructionTypeInterpreterVisitor(program, _executionState);
_instructionVarVisitor = new InstructionVarInterpreterVisitor(program, _executionState);
_instructionRVisitor = new InstructionRInterpreterVisitor(program, _executionState);
_instructionBrVisitor = new InstructionBrInterpreterVisitor(program, _executionState);
_instructionFieldVisitor = new InstructionFieldInterpreterVisitor(program, _executionState);
_instructionI8InterpreterVisitor = new InstructionI8InterpreterVisitor(program, _executionState);
_instructionSwitchInterpreterVisitor = new InstructionSwitchInterpreterVisitor(program, _executionState);
_instructionTokInterpreterVisitor = new InstructionTokInterpreterVisitor(program, _executionState);
}
private bool CheckSupported(CilProgram program)
{
foreach (var method in program.AllMethods)
{
foreach (var instruction in method.Instructions)
{
if (!instruction.IsSupported)
{
throw new InstructionNotSupportedException(instruction);
}
}
}
if (program.Datas.Count > 0)
{
throw new FeatureNotSupportedException(".data");
}
return(true);
}
public CilControlState(CilProgram program)
{
CallStack = new Stack <CilMethodState>();
CallStack.Push(new CilMethodState(program.EntryPoint, new List <CilSigArg>(), new List <IValue>(), program));
var cctors = program.Classes
.Select(c => c.Methods.FirstOrDefault(m => m.Name == ".cctor"))
.Where(m => m != null)
.ToList();
foreach (var cctor in cctors)
{
CallStack.Push(new CilMethodState(cctor, new List <CilSigArg>(), new List <IValue>(), program));
}
StaticInstances = new Dictionary <string, CilClassStaticInstance>();
foreach (var @class in program.Classes)
{
StaticInstances.Add(@class.Name.ToString(), new CilClassStaticInstance(@class, program));
}
}
public object AsRuntime(CilType cilType, CilManagedMemory managedMemory, CilProgram program)
{
if (cilType is CilTypeChar)
{
return((char)Value);
}
if (cilType is CilTypeInt16)
{
return(Value);
}
if (cilType is CilTypeUInt16)
{
return((ushort)Value);
}
if (cilType is CilTypeValueType)
{
return(Value);
}
throw new System.NotImplementedException();
}
public CilParserResult Parse(string sourceCode)
{
var ironyParseTree = _ironyParser.Parse(sourceCode);
if (ironyParseTree.Status == ParseTreeStatus.Error)
{
return(new CilParserResult
{
Status = CilParserStatus.ParsingError,
Errors = ironyParseTree.ParserMessages.Select(pm => BuildIronyParserMessage(pm)).ToList()
});
}
var decls = (ironyParseTree.Root.AstNode as DeclsAstNode).Decls;
var cilProgram = new CilProgram(decls);
return(new CilParserResult
{
Status = CilParserStatus.Success,
Program = cilProgram
});
}
public override object AsRuntime(CilType type, CilManagedMemory managedMemory, CilProgram program)
{
if (type is CilTypeObject)
{
return(ExternalObject);
}
if (type.GetRuntimeType(program).IsAssignableFrom(ExternalObject.GetType()))
{
return(ExternalObject);
}
throw new NotImplementedException();
}
public object AsRuntime(CilType cilType, CilManagedMemory managedMemory, CilProgram program)
{
throw new NotImplementedException();
}
public InstructionMethodInterpreterVisitor(CilProgram program, CilExecutionState executionState)
{
_executionState = executionState;
_program = program;
}
public override IValue Unbox(CilObject obj, CilManagedMemory managedMemory, CilProgram program)
{
throw new NotImplementedException();
}
public override IValue CreateDefaultValue(CilProgram program)
{
return(new CilValueInt8(default(sbyte)));
}
public override IValue CreateValueFromRuntime(object obj, CilManagedMemory managedMemory, CilProgram program)
{
var value = new CilValueInt8((sbyte)obj);
return(value);
}
public override Type GetValueType(CilProgram program)
{
return(typeof(CilValueInt8));
}
public override Type GetRuntimeType(CilProgram program)
{
return(typeof(sbyte));
}
public override bool IsValueType(CilProgram program)
{
throw new NotImplementedException();
}
public void Interpret(CilProgram program)
{
var interpreter = new CilInterpreter(program);
interpreter.Interpret();
}