// Copyright (c) 2014 Daniel Grunwald // // 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 Mono.Cecil; using System; using System.Collections.Generic; using System.Collections.Immutable; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ICSharpCode.Decompiler.IL { static class ILTypeExtensions { /*public static ImmutableArray<StackType> GetStackTypes(this TypeSignatureCollection typeSignatureCollection) { var result = new StackType[typeSignatureCollection.Count]; int i = 0; foreach (var typeSig in typeSignatureCollection) { result[i++] = GetStackType(typeSig); } return ImmutableArray.Create(result); }*/ public static int GetPopAmount(this MethodReference methodRef) { return methodRef.Parameters.Count + (methodRef.HasThis ? 1 : 0); } public static StackType GetStackType(this TypeReference typeRef) { return typeRef.SkipModifiers().MetadataType.GetStackType(); } public static TypeReference SkipModifiers(this TypeReference typeRef) { while (typeRef.IsOptionalModifier || typeRef.IsRequiredModifier) typeRef = ((IModifierType)typeRef).ElementType; return typeRef; } public static StackType GetStackType(this MetadataType typeCode) { switch (typeCode) { case MetadataType.Boolean: case MetadataType.Char: case MetadataType.SByte: case MetadataType.Byte: case MetadataType.Int16: case MetadataType.UInt16: case MetadataType.Int32: case MetadataType.UInt32: return StackType.I4; case MetadataType.Int64: case MetadataType.UInt64: return StackType.I8; case MetadataType.IntPtr: case MetadataType.UIntPtr: case MetadataType.Pointer: return StackType.I; case MetadataType.Single: case MetadataType.Double: return StackType.F; case MetadataType.ByReference: return StackType.Ref; case MetadataType.Void: return StackType.Void; default: return StackType.O; } } public static StackType GetStackType(this PrimitiveType primitiveType) { return ((MetadataType)primitiveType).GetStackType(); } } }