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C# Analyzer.ActParamDeclIsUnknown方法代码示例

本文整理汇总了C#中Analyzer.ActParamDeclIsUnknown方法的典型用法代码示例。如果您正苦于以下问题:C# Analyzer.ActParamDeclIsUnknown方法的具体用法?C# Analyzer.ActParamDeclIsUnknown怎么用?C# Analyzer.ActParamDeclIsUnknown使用的例子?那么, 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Analyzer的用法示例。


在下文中一共展示了Analyzer.ActParamDeclIsUnknown方法的3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: Analyze

            public void Analyze(ActualParam/*!*/node, Analyzer/*!*/ analyzer, bool isBaseCtorCallConstrained)
            {
                // TODO: isBaseCtorCallConstrained

                ExInfoFromParent info = new ExInfoFromParent(node);

                analyzer.EnterActParam();

                if (node.IsVariadic) throw new NotImplementedException();

                if (analyzer.ActParamDeclIsUnknown())
                {
                    // we don't know whether the parameter will be passed by reference at run-time:
                    if (node.Expression.AllowsPassByReference)
                    {
                        info.Access = AccessType.ReadUnknown;

                        // Although we prepare to pass reference, value can be really passed.
                        // That's why we report warning when user use '&' in calling, 
                        // because it has no influence.
                        if (node.Ampersand)
                            analyzer.ErrorSink.Add(Warnings.ActualParamWithAmpersand, analyzer.SourceUnit, node.Span);
                    }
                    else
                    {
                        info.Access = AccessType.Read;
                    }
                }
                else
                {
                    if (analyzer.ActParamPassedByRef())
                    {
                        if (node.Expression.AllowsPassByReference)
                        {
                            info.Access = AccessType.ReadRef;
                        }
                        else
                        {
                            analyzer.ErrorSink.Add(Errors.NonVariablePassedByRef, analyzer.SourceUnit, node.Expression.Span);
                            analyzer.LeaveActParam();
                            return;
                        }
                    }
                    else
                    {
                        info.Access = AccessType.Read;
                        if (node.Ampersand) analyzer.ErrorSink.Add(Warnings.ActualParamWithAmpersand, analyzer.SourceUnit, node.Span);
                    }
                }

                node._expression = node.Expression.Analyze(analyzer, info).Literalize();

                // TODO: if signature is known, act. param has type hint and expression has known type; check if type hint matches expression

                analyzer.LeaveActParam();
            }
开发者ID:dw4dev,项目名称:Phalanger,代码行数:56,代码来源:CallSignature.cs

示例2: Analyze

		internal void Analyze(Analyzer/*!*/ analyzer, bool isBaseCtorCallConstrained)
		{
			// TODO: isBaseCtorCallConstrained

			ExInfoFromParent info = new ExInfoFromParent(this);

			analyzer.EnterActParam();

			if (analyzer.ActParamDeclIsUnknown())
			{
				// we don't know whether the parameter will be passed by reference at run-time:
				if (expression.AllowsPassByReference)
				{
					info.Access = AccessType.ReadUnknown;

					// Although we prepare to pass reference, value can be really passed.
					// That's why we report warning when user use '&' in calling, 
					// because it has no influence.
					if (ampersand)
						analyzer.ErrorSink.Add(Warnings.ActualParamWithAmpersand, analyzer.SourceUnit, position);
				}
				else
				{
					info.Access = AccessType.Read;
				}
			}
			else
			{
				if (analyzer.ActParamPassedByRef())
				{
					if (expression.AllowsPassByReference)
					{
						info.Access = AccessType.ReadRef;
					}
					else
					{
						analyzer.ErrorSink.Add(Errors.NonVariablePassedByRef, analyzer.SourceUnit, expression.Position);
						analyzer.LeaveActParam();
						return;
					}
				}
				else
				{
					info.Access = AccessType.Read;
					if (ampersand) analyzer.ErrorSink.Add(Warnings.ActualParamWithAmpersand, analyzer.SourceUnit, position);
				}
			}

			expression = expression.Analyze(analyzer, info).Literalize();

			analyzer.LeaveActParam();
		}
开发者ID:Ashod,项目名称:Phalanger,代码行数:52,代码来源:CallSignature.cs

示例3: Analyze

		/// <include file='Doc/Nodes.xml' path='doc/method[@name="Expression.Analyze"]/*'/>
		internal override Evaluation Analyze(Analyzer/*!*/ analyzer, ExInfoFromParent info)
		{
			access = info.Access;

			ExInfoFromParent lvalue_info = new ExInfoFromParent(this);

            // x[] = y
            if (lvalue is ItemUse && ((ItemUse)lvalue).Index == null)
                if (operation != Operations.AssignValue)
                {
                    var oldop = operation;
                    operation = Operations.AssignValue;

                    // x[] .= y -> x[] = null . y
                    if (oldop == Operations.AssignAppend)
                        rvalue = new BinaryEx(Position, Operations.Concat, new NullLiteral(Position), rvalue);
                    // x[] += y -> x[] = 0 + y
                    else if (oldop == Operations.AssignAdd)
                        rvalue = new BinaryEx(Position, Operations.Add, new NullLiteral(Position), rvalue);
                    // x[] -= y -> x[] = 0 - y
                    else if (oldop == Operations.AssignSub)
                        rvalue = new BinaryEx(Position, Operations.Sub, new NullLiteral(Position), rvalue);
                    // x[] *= y -> x[] = 0 * y
                    else if (oldop == Operations.AssignMul)
                        rvalue = new BinaryEx(Position, Operations.Mul, new NullLiteral(Position), rvalue);
                    // x[] /= y -> x[] = 0 / y
                    else if (oldop == Operations.AssignDiv)
                        rvalue = new BinaryEx(Position, Operations.Div, new NullLiteral(Position), rvalue);
                    // x[] &= y -> x[] = 0 & y
                    else if (oldop == Operations.AssignAnd)
                        rvalue = new BinaryEx(Position, Operations.BitAnd, new NullLiteral(Position), rvalue);
                    else
                    {
                        Debug.Fail("Unhandled operation " + oldop.ToString() + " must be reduced!");
                        operation = oldop;  // change it back, this will result in compile time exception
                    }
                }

			// stop evaluation:
			rvalue = rvalue.Analyze(analyzer, ExInfoFromParent.DefaultExInfo).Literalize();

			if (operation == Operations.AssignValue)
			{
				// elimination of $x = $x . expr
				var concat = rvalue as ConcatEx;
				DirectVarUse vur;
				DirectVarUse vul = lvalue as DirectVarUse;

                if (concat != null && concat.Expressions.Count >= 2 && vul != null && vul.IsMemberOf == null)
				{
					if ((vur = concat.Expressions[0] as DirectVarUse) != null && vur.VarName.Equals(vul.VarName) && vur.IsMemberOf == null)
					{
                        // $x = $x.a.b.c
                        // =>
                        // $x .= a.b.c

                        operation = Operations.AssignAppend;
						lvalue_info.Access = AccessType.ReadAndWrite;

						//rvalue = concat.RightExpr;
                        concat.Expressions.RemoveAt(0);
					}
					else if ((vur = concat.Expressions[concat.Expressions.Count - 1] as DirectVarUse) != null && vur.VarName.Equals(vul.VarName) && vur.IsMemberOf == null)
					{
                        // $x = a.b.c.$x
                        // =>
                        // $x =. a.b.c

						operation = Operations.AssignPrepend;
						lvalue_info.Access = AccessType.ReadAndWrite;

						//rvalue = (Expression)concat.LeftExpr;
                        concat.Expressions.RemoveAt(concat.Expressions.Count - 1);
					}
					else
						lvalue_info.Access = AccessType.Write;
				}
				else
					lvalue_info.Access = AccessType.Write;
			}
			else
				lvalue_info.Access = AccessType.ReadAndWrite;

			// If this ValueAssignEx is actual param that is to be passed by reference,
			// AccessType of the destVar has to be changed, because its reference will be
			// (potencially) passeed
			ActualParam ap = info.Parent as ActualParam;
			if (ap != null)
			{
				if (analyzer.ActParamDeclIsUnknown())
				{
					if (lvalue_info.Access == AccessType.Write)
						lvalue_info.Access = AccessType.WriteAndReadUnknown;
					else
						lvalue_info.Access = AccessType.ReadAndWriteAndReadUnknown;
				}
				else if (analyzer.ActParamPassedByRef())
				{
					if (lvalue_info.Access == AccessType.Write)
//.........这里部分代码省略.........
开发者ID:Ashod,项目名称:Phalanger,代码行数:101,代码来源:AssignEx.cs


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