diff options
Diffstat (limited to 'ICSharpCode.Decompiler/Ast/Transforms/DecimalConstantTransform.cs')
-rw-r--r-- | ICSharpCode.Decompiler/Ast/Transforms/DecimalConstantTransform.cs | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/ICSharpCode.Decompiler/Ast/Transforms/DecimalConstantTransform.cs b/ICSharpCode.Decompiler/Ast/Transforms/DecimalConstantTransform.cs new file mode 100644 index 00000000..298682af --- /dev/null +++ b/ICSharpCode.Decompiler/Ast/Transforms/DecimalConstantTransform.cs @@ -0,0 +1,58 @@ +// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of this +// software and associated documentation files (the "Software"), to deal in the Software +// without restriction, including without limitation the rights to use, copy, modify, merge, +// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons +// to whom the Software is furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all copies or +// substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE +// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +// DEALINGS IN THE SOFTWARE. + +using System; +using ICSharpCode.NRefactory.CSharp; +using ICSharpCode.NRefactory.PatternMatching; +using Mono.Cecil; + +namespace ICSharpCode.Decompiler.Ast.Transforms +{ + /// <summary> + /// Transforms decimal constant fields. + /// </summary> + public class DecimalConstantTransform : DepthFirstAstVisitor<object, object>, IAstTransform + { + static readonly PrimitiveType decimalType = new PrimitiveType("decimal"); + + public override object VisitFieldDeclaration(FieldDeclaration fieldDeclaration, object data) + { + const Modifiers staticReadOnly = Modifiers.Static | Modifiers.Readonly; + if ((fieldDeclaration.Modifiers & staticReadOnly) == staticReadOnly && decimalType.IsMatch(fieldDeclaration.ReturnType)) { + foreach (var attributeSection in fieldDeclaration.Attributes) { + foreach (var attribute in attributeSection.Attributes) { + TypeReference tr = attribute.Type.Annotation<TypeReference>(); + if (tr != null && tr.Name == "DecimalConstantAttribute" && tr.Namespace == "System.Runtime.CompilerServices") { + attribute.Remove(); + if (attributeSection.Attributes.Count == 0) + attributeSection.Remove(); + fieldDeclaration.Modifiers = (fieldDeclaration.Modifiers & ~staticReadOnly) | Modifiers.Const; + return null; + } + } + } + } + return null; + } + + public void Run(AstNode compilationUnit) + { + compilationUnit.AcceptVisitor(this, null); + } + } +} |