本文整理汇总了C#中AstExpression.GetResultType方法的典型用法代码示例。如果您正苦于以下问题：C# AstExpression.GetResultType方法的具体用法？C# AstExpression.GetResultType怎么用？C# AstExpression.GetResultType使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AstExpression的用法示例。
在下文中一共展示了AstExpression.GetResultType方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: UnboxIfGeneric
private static void UnboxIfGeneric(XTypeReference type, AstExpression node, XTypeSystem typeSystem)
{
if (type.IsGenericParameter || type.IsGenericParameterArray())
{
var resultType = node.GetResultType();
if (resultType.IsByReference && !type.IsByReference)
{
var elementType = resultType.ElementType;
var clone = new AstExpression(node);
node.SetCode(AstCode.SimpleCastclass).SetArguments(clone).Operand = elementType;
}
else
{
if (TreatAsStruct(type, resultType))
{
ConvertUnboxStruct(node, resultType, typeSystem);
}
else
{
var clone = new AstExpression(node);
node.SetCode(AstCode.UnboxFromGeneric).SetArguments(clone).Operand = type;
}
}
}
}示例2: ConvertIfNeeded
/// <summary>
/// Convert the given argument if it does not match the target type.
/// </summary>
private static void ConvertIfNeeded(AstExpression arg, XTypeReference targetType)
{
var argType = arg.GetResultType();
if (!targetType.IsSame(argType))
{
if (targetType.IsChar())
{
if (argType.IsUInt16() || argType.IsByte()) Convert(arg, AstCode.Conv_U2, targetType);
}
else if (targetType.IsUInt16())
{
if (argType.IsChar() || argType.IsByte()) Convert(arg, AstCode.Int_to_ushort, targetType);
}
else if (targetType.IsInt16())
{
if (argType.IsChar() || argType.IsByte()) Convert(arg, AstCode.Conv_I2, targetType);
}
}
}示例3: OpcodeForType
/// <summary>
/// Generate an Add opcode.
/// </summary>
private static RCode OpcodeForType(AstExpression expr, RCode[] opcodes)
{
return OpcodeForType(expr.GetResultType(), opcodes);
}示例4: BoxIfGeneric
private static void BoxIfGeneric(XTypeReference type, AstExpression node)
{
// TODO: CLR allows return-by-reference, though C# does not. Do we need to handle this here?
if (type.IsGenericParameter)
{
var resultType = node.GetResultType();
if (resultType.IsPrimitive)
{
var clone = new AstExpression(node);
node.SetCode(AstCode.BoxToGeneric)
.SetArguments(clone)
.Operand = type;
}
}
else if (type.IsGenericParameterArray())
{
var resultType = node.GetResultType().ElementType;
if (resultType.IsPrimitive)
{
var clone = new AstExpression(node);
node.SetCode(AstCode.BoxToGeneric).SetArguments(clone).Operand = type;
}
}
}示例5: ConvertToByRefArray
/// <summary>
/// Convert the given node to a array creation operation with given element type and argument.
/// </summary>
private static void ConvertToByRefArray(AstExpression node, XTypeReference elementType, AstExpression argument, AstExpression storeArgument, bool isOut, bool argIsGenParam, XModule assembly)
{
var arrayElementType = argIsGenParam ? assembly.TypeSystem.Object : elementType;
if (argIsGenParam && ((!isOut) || (elementType == null) || !elementType.IsSame(argument.GetResultType())))
{
argument = new AstExpression(node.SourceLocation, AstCode.Box, elementType, argument);
}
node.Code = isOut ? AstCode.ByRefOutArray : AstCode.ByRefArray;
node.Operand = arrayElementType;
node.InferredType = new XByReferenceType(arrayElementType);
node.ExpectedType = new XByReferenceType(arrayElementType);
node.Arguments.Clear();
node.Arguments.Add(argument);
node.StoreByRefExpression = storeArgument;
}示例6: VisitExpression
/// <summary>
/// Generate code for the given expression.
/// </summary>
private RLRange VisitExpression(AstExpression node, List<RLRange> args, AstNode parent)
{
switch (node.Code)
{
case AstCode.Nop:
case AstCode.Endfinally:
case AstCode.Endfilter:
return new RLRange(this.Add(node.SourceLocation, RCode.Nop), null);
case AstCode.Ldexception:
throw new InvalidOperationException("ldexception should not occur");
case AstCode.Dup:
return new RLRange(this.Add(node.SourceLocation, RCode.Nop), args[0].Result);
#region Constants
case AstCode.Ldc_I4:
case AstCode.Ldc_R4:
{
var type = node.GetResultType();
var converter = type.ConstValueConverter(true);
var value = converter(node.Operand);
var r = frame.AllocateTemp(type.IsFloat() ? PrimitiveType.Float : PrimitiveType.Int);
var first = this.Add(node.SourceLocation, RCode.Const, value, r);
return new RLRange(first, r);
}
case AstCode.Ldc_I8:
case AstCode.Ldc_R8:
{
var type = node.GetResultType();
var converter = type.ConstValueConverter(false);
var value = converter(node.Operand);
var r = frame.AllocateTemp(type.IsDouble() ? PrimitiveType.Double : PrimitiveType.Long);
return new RLRange(args, this.Add(node.SourceLocation, RCode.Const_wide, value, r), r);
}
case AstCode.Ldnull:
{
//Debugger.Launch();
var r = frame.AllocateTemp(node.GetResultType().GetReference(targetPackage));
return new RLRange(args, this.Add(node.SourceLocation, RCode.Const, 0, r), r);
}
case AstCode.Ldstr:
{
var str = (string) node.Operand;
var r = frame.AllocateTemp(node.GetResultType().GetReference(targetPackage));
return new RLRange(args, this.Add(node.SourceLocation, RCode.Const_string, str, r), r);
}
case AstCode.DefaultValue:
{
var type = (XTypeReference) node.Operand;
if (type.IsPrimitive)
{
var r = frame.AllocateTemp(type.GetReference(targetPackage));
return new RLRange(args, this.Add(node.SourceLocation, node.Arguments[0].Const(), 0, r), r);
}
if (type.IsEnum())
{
var r = frame.AllocateTemp(type.GetReference(targetPackage));
var denumType = type.GetClassReference(targetPackage);
var defaultField = new FieldReference(denumType, NameConstants.Enum.DefaultFieldName, denumType);
return new RLRange(this.Add(node.SourceLocation, RCode.Sget_object, defaultField, r), r);
}
else
{
var r = frame.AllocateTemp(type.GetReference(targetPackage));
return new RLRange(args, this.Add(node.SourceLocation, RCode.Const, 0, r), r);
}
}
case AstCode.TypeOf:
{
var type = (XTypeReference) node.Operand;
var dtype = type.IsVoid() ? PrimitiveType.Void : type.GetReference(targetPackage);
var typeReg = frame.AllocateTemp(FrameworkReferences.Class);
var first = this.Add(node.SourceLocation, RCode.Const_class, dtype, typeReg);
return new RLRange(first, typeReg);
}
case AstCode.BoxedTypeOf:
{
var type = (XTypeReference) node.Operand;
var typeReg = frame.AllocateTemp(FrameworkReferences.Class);
var first = this.Add(node.SourceLocation, RCode.Const_class, type.GetBoxedType(), typeReg);
return new RLRange(first, typeReg);
}
#endregion
#region Arithmetic
case AstCode.Neg:
{
var tmp = this.EnsureTemp(node.SourceLocation, args[0].Result, frame);
return new RLRange(args, this.Add(node.SourceLocation, node.Neg(), tmp.Result, tmp.Result),
tmp.Result);
}
case AstCode.Not:
{
var tmp = this.EnsureTemp(node.SourceLocation, args[0].Result, frame);
//.........这里部分代码省略.........
示例7: TryVisitArrayTypeMethodCallExpression
/// <summary>
/// Generate code for a call to a method of an array type.
/// </summary>
private bool TryVisitArrayTypeMethodCallExpression(AstExpression node, XMethodReference ilMethodRef, List<RLRange> args, AstNode parent, out RLRange result)
{
var methodName = ilMethodRef.Name;
var dimensions = (methodName == "Set") ? args.Count - 2 : args.Count - 1;
// Get all but last dimensions
var arr = frame.AllocateTemp(FrameworkReferences.Object);
var first = this.Add(node.SourceLocation, RCode.Move_object, arr, args[0].Result);
for (var d = 0; d < dimensions - 1; d++)
{
this.Add(node.SourceLocation, RCode.Aget_object, arr, arr, args[d + 1].Result);
}
// Get/Set value
switch (methodName)
{
case "Get":
{
var valueType = node.GetResultType();
var lastIndexArg = args[args.Count - 1];
var agetCode = new XArrayType(valueType).AGet();
var resultReg = frame.AllocateTemp(valueType.GetReference(targetPackage));
var last = this.Add(node.SourceLocation, agetCode, resultReg, arr, lastIndexArg.Result);
result = new RLRange(first, last, resultReg);
return true;
}
case "Set":
{
var valueType = node.Arguments[node.Arguments.Count - 1].GetResultType();
var lastIndexArg = args[args.Count - 2];
var aputCode = new XArrayType(valueType).APut();
// Perform type conversion if needed
bool isConverted;
var valueR = args[args.Count - 1].Result;
var converted = this.ConvertTypeBeforeStore(node.SourceLocation, valueType, valueType, valueR, targetPackage, frame, compiler, out isConverted);
if (isConverted) valueR = converted.Result;
var last = this.Add(node.SourceLocation, aputCode, valueR, arr, lastIndexArg.Result);
result = new RLRange(first, last, arr);
return true;
}
default:
result = null;
return false;
}
}