public ExpressionElement[] ToArray()
{
var arr = new ExpressionElement[this.myElements.Count - 1 + 1];
this.myElements.CopyTo(arr, 0);
return(arr);
}
public ArgumentList(ICollection elements)
{
var arr = new ExpressionElement[elements.Count - 1 + 1];
elements.CopyTo(arr, 0);
this.myElements = arr;
}
private void Configure(ExpressionElement leftChild, ExpressionElement rightChild, object op)
{
this.myLeftChild = leftChild;
this.myRightChild = rightChild;
this.GetOperation(RuntimeHelpers.GetObjectValue(op));
this.ValidateInternal(RuntimeHelpers.GetObjectValue(op));
}
public ConditionalElement(ExpressionElement condition, ExpressionElement whenTrue, ExpressionElement whenFalse)
{
this.myCondition = condition;
this.myWhenTrue = whenTrue;
this.myWhenFalse = whenFalse;
var flag = this.myCondition.ResultType != typeof(bool);
if (flag)
{
this.ThrowCompileException("FirstArgNotBoolean", CompileExceptionReason.TypeMismatch);
}
var flag2 = ImplicitConverter.EmitImplicitConvert(this.myWhenFalse.ResultType, this.myWhenTrue.ResultType, null);
if (flag2)
{
this.myResultType = this.myWhenTrue.ResultType;
}
else
{
var flag3 = ImplicitConverter.EmitImplicitConvert(this.myWhenTrue.ResultType, this.myWhenFalse.ResultType, null);
if (flag3)
{
this.myResultType = this.myWhenFalse.ResultType;
}
else
{
this.ThrowCompileException("NeitherArgIsConvertibleToTheOther", CompileExceptionReason.TypeMismatch,
this.myWhenTrue.ResultType.Name, this.myWhenFalse.ResultType.Name);
}
}
}
protected static void EmitChildWithConvert(ExpressionElement child, Type resultType, FleeIlGenerator ilg,
IServiceProvider services)
{
child.Emit(ilg, services);
var converted = ImplicitConverter.EmitImplicitConvert(child.ResultType, resultType, ilg);
Debug.Assert(converted, "convert failed");
}
public InElement(ExpressionElement operand, IList listElements)
{
this.myOperand = operand;
var arr = new ExpressionElement[listElements.Count - 1 + 1];
listElements.CopyTo(arr, 0);
this.myArguments = new List <ExpressionElement>(arr);
this.ResolveForListSearch();
}
public void SetChild(ExpressionElement child)
{
this.myChild = child;
this.myResultType = this.GetResultType(child.ResultType);
var flag = this.myResultType == null;
if (flag)
{
this.ThrowCompileException("OperationNotDefinedForType", CompileExceptionReason.TypeMismatch,
this.myChild.ResultType.Name);
}
}
private static void EmitOperand(ExpressionElement operand, ShortCircuitInfo info, FleeIlGenerator ilg,
IServiceProvider services)
{
var flag = info.Branches.HasLabel(operand);
if (flag)
{
var leftLabel = info.Branches.FindLabel(operand);
ilg.MarkLabel(leftLabel);
MarkBranchTarget(info, leftLabel, ilg);
}
operand.Emit(ilg, services);
}
private void EmitParamArrayArguments(ParameterInfo[] parameters, ExpressionElement[] elements, FleeIlGenerator ilg,
IServiceProvider services)
{
var fixedParameters = new ParameterInfo[this.myTargetMethodInfo.myFixedArgTypes.Length - 1 + 1];
Array.Copy(parameters, fixedParameters, fixedParameters.Length);
var fixedElements = new ExpressionElement[this.myTargetMethodInfo.myFixedArgTypes.Length - 1 + 1];
Array.Copy(elements, fixedElements, fixedElements.Length);
this.EmitRegularFunctionInternal(fixedParameters, fixedElements, ilg, services);
var paramArrayElements = new ExpressionElement[elements.Length - fixedElements.Length - 1 + 1];
Array.Copy(elements, fixedElements.Length, paramArrayElements, 0, paramArrayElements.Length);
EmitElementArrayLoad(paramArrayElements, this.myTargetMethodInfo.paramArrayElementType, ilg, services);
}
private void SetupArrayIndexer()
{
this.myIndexerElement = this.myIndexerElements[0];
var flag = this.myIndexerElements.Count > 1;
if (flag)
{
this.ThrowCompileException("MultiArrayIndexNotSupported", CompileExceptionReason.TypeMismatch);
}
else
{
var flag2 = !ImplicitConverter.EmitImplicitConvert(this.myIndexerElement.ResultType, typeof(int), null);
if (flag2)
{
this.ThrowCompileException("ArrayIndexersMustBeOfType", CompileExceptionReason.TypeMismatch, typeof(int).Name);
}
}
}
private static void EmitToAssembly(ExpressionElement rootElement, IServiceContainer services)
{
var assemblyName = new AssemblyName(EmitAssemblyName);
var assemblyFileName = $"{EmitAssemblyName}.dll";
var assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(assemblyName, AssemblyBuilderAccess.Save);
var moduleBuilder = assemblyBuilder.DefineDynamicModule(assemblyFileName, assemblyFileName);
var mb = moduleBuilder.DefineGlobalMethod("Evaluate", MethodAttributes.Public | MethodAttributes.Static, typeof(T), new[]
{
typeof(object),
typeof(ExpressionContext),
typeof(VariableCollection)
});
var ilg = new FleeIlGenerator(mb.GetILGenerator());
rootElement.Emit(ilg, services);
moduleBuilder.CreateGlobalFunctions();
assemblyBuilder.Save(assemblyFileName);
}
public CastElement(ExpressionElement castExpression, string[] destTypeParts, bool isArray, IServiceProvider services)
{
this.myCastExpression = castExpression;
this.myDestType = GetDestType(destTypeParts, services);
var flag = this.myDestType == null;
if (flag)
{
this.ThrowCompileException("CouldNotResolveType", CompileExceptionReason.UndefinedName,
GetDestTypeString(destTypeParts, isArray));
}
if (isArray)
{
this.myDestType = this.myDestType.MakeArrayType();
}
var flag2 = !this.IsValidCast(this.myCastExpression.ResultType, this.myDestType);
if (flag2)
{
this.ThrowInvalidCastException();
}
}
private bool FindIndexer(Type targetType)
{
var members = targetType.GetDefaultMembers();
var methods = new List <MethodInfo>();
var array = members;
checked
{
for (var i = 0; i < array.Length; i++)
{
var mi = array[i];
var pi = mi as PropertyInfo;
var flag = pi != null;
if (flag)
{
methods.Add(pi.GetGetMethod(true));
}
}
var func = new FunctionCallElement("Indexer", methods.ToArray(), this.myIndexerElements);
func.Resolve(this.myServices);
this.myIndexerElement = func;
return(true);
}
}
public ExpressionMemberElement(ExpressionElement element)
{
this.myElement = element;
}
public LocalBasedElement(ExpressionElement target, int index)
{
this.MyTarget = target;
this.MyIndex = index;
}
protected static bool IsChildOfType(ExpressionElement child, Type t)
{
return(child.ResultType == t);
}
public void Initialize(ExpressionElement leftChild, ExpressionElement rightChild, LogicalCompareOperation op)
{
this.myLeftChild = leftChild;
this.myRightChild = rightChild;
this.myOperation = op;
}
public RootExpressionElement(ExpressionElement child, Type resultType)
{
this.myChild = child;
this.myResultType = resultType;
this.Validate();
}
public InElement(ExpressionElement operand, ExpressionElement targetCollection)
{
this.myOperand = operand;
this.myTargetCollectionElement = targetCollection;
this.ResolveForCollectionSearch();
}