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87 lines
2.9 KiB
87 lines
2.9 KiB
// Copyright (c) 2013 Daniel Grunwald |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a copy |
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// of this software and associated documentation files (the "Software"), to deal |
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// in the Software without restriction, including without limitation the rights |
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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// copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// The above copyright notice and this permission notice shall be included in |
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// all copies or substantial portions of the Software. |
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// |
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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// THE SOFTWARE. |
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namespace ICSharpCode.Decompiler.CSharp.Syntax |
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{ |
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/// <summary> |
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/// Extension methods for the syntax tree. |
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/// </summary> |
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public static class SyntaxExtensions |
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{ |
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public static bool IsComparisonOperator(this OperatorType operatorType) |
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{ |
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switch (operatorType) |
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{ |
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case OperatorType.Equality: |
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case OperatorType.Inequality: |
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case OperatorType.GreaterThan: |
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case OperatorType.LessThan: |
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case OperatorType.GreaterThanOrEqual: |
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case OperatorType.LessThanOrEqual: |
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return true; |
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default: |
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return false; |
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} |
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} |
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/// <summary> |
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/// Returns true if <paramref name="operatorType"/> is bitwise and, bitwise or, or exclusive or. |
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/// </summary> |
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public static bool IsBitwise(this BinaryOperatorType operatorType) |
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{ |
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return operatorType == BinaryOperatorType.BitwiseAnd |
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|| operatorType == BinaryOperatorType.BitwiseOr |
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|| operatorType == BinaryOperatorType.ExclusiveOr; |
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} |
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public static Statement GetNextStatement(this Statement statement) |
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{ |
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AstNode next = statement.NextSibling; |
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while (next != null && !(next is Statement)) |
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next = next.NextSibling; |
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return (Statement)next; |
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} |
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public static bool IsArgList(this AstType type) |
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{ |
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var simpleType = type as SimpleType; |
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return simpleType != null && simpleType.Identifier == "__arglist"; |
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} |
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public static void AddNamedArgument(this Syntax.Attribute attribute, string name, Expression argument) |
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{ |
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attribute.Arguments.Add(new AssignmentExpression(new IdentifierExpression(name), argument)); |
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} |
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public static T Detach<T>(this T node) where T : AstNode |
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{ |
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node.Remove(); |
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return node; |
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} |
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public static Expression UnwrapInDirectionExpression(this Expression expr) |
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{ |
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if (!(expr is DirectionExpression dir && dir.FieldDirection == FieldDirection.In)) |
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return expr; |
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return dir.Expression.Detach(); |
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} |
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} |
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}
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