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Viewing changes to contrib/ICSharpCode.Decompiler/Tests/UnsafeCode.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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contrib/ICSharpCode.Decompiler/Tests/UnsafeCode.cs
 
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
 
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// software and associated documentation files (the "Software"), to deal in the Software
 
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// without restriction, including without limitation the rights to use, copy, modify, merge,
 
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
 
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// to whom the Software is 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 all copies or
 
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// 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 IMPLIED,
 
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 
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// DEALINGS IN THE SOFTWARE.
 
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using System;
 
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public class UnsafeCode
 
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{
 
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        public unsafe int* NullPointer
 
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        {
 
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                get
 
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                {
 
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                        return null;
 
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                }
 
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        }
 
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        public unsafe long ConvertDoubleToLong(double d)
 
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        {
 
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                return *(long*)(&d);
 
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        }
 
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        public unsafe double ConvertLongToDouble(long d)
 
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        {
 
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                return *(double*)(&d);
 
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        }
 
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        public unsafe int ConvertFloatToInt(float d)
 
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        {
 
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                return *(int*)(&d);
 
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        }
 
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        public unsafe float ConvertIntToFloat(int d)
 
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        {
 
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                return *(float*)(&d);
 
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        }
 
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        public unsafe void PassRefParameterAsPointer(ref int p)
 
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        {
 
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                fixed (int* ptr = &p)
 
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                {
 
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                        this.PassPointerAsRefParameter(ptr);
 
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                }
 
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        }
 
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        public unsafe void PassPointerAsRefParameter(int* p)
 
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        {
 
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                this.PassRefParameterAsPointer(ref *p);
 
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        }
 
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        public unsafe void AddressInMultiDimensionalArray(double[,] matrix)
 
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        {
 
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                fixed (double* ptr = &matrix[1, 2])
 
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                {
 
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                        this.PointerReferenceExpression(ptr);
 
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                }
 
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        }
 
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        public unsafe void FixedStringAccess(string text)
 
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        {
 
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                fixed (char* ptr = text)
 
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                {
 
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                        char* ptr2 = ptr;
 
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                        while (*ptr2 != '\0')
 
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                        {
 
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                                *ptr2 = 'A';
 
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                                ptr2++;
 
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                        }
 
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                }
 
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        }
 
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        public unsafe void PutDoubleIntoLongArray1(long[] array, int index, double val)
 
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        {
 
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                fixed (long* ptr = array)
 
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                {
 
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                        ((double*)ptr)[index] = val;
 
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                }
 
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        }
 
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        public unsafe void PutDoubleIntoLongArray2(long[] array, int index, double val)
 
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        {
 
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                fixed (long* ptr = &array[index])
 
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                {
 
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                        *(double*)ptr = val;
 
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                }
 
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        }
 
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        public unsafe string PointerReferenceExpression(double* d)
 
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        {
 
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                return d->ToString();
 
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        }
 
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        public unsafe void FixMultipleStrings(string text)
 
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        {
 
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                fixed (char* ptr = text, userName = Environment.UserName, ptr2 = text)
 
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                {
 
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                        *ptr = 'c';
 
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                        *userName = 'd';
 
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                        *ptr2 = 'e';
 
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                }
 
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        }
 
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        public unsafe string StackAlloc(int count)
 
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        {
 
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                char* ptr = stackalloc char[count];
 
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                for (int i = 0; i < count; i++)
 
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                {
 
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                        ptr[i] = (char)i;
 
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                }
 
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                return this.PointerReferenceExpression((double*)ptr);
 
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        }
 
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        unsafe ~UnsafeCode()
 
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        {
 
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                this.PassPointerAsRefParameter(this.NullPointer);
 
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        }
 
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}