Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/mscorlib/system/uint32.cs

@@ -0,0 +1,361 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  UInt32
+**
+**
+** Purpose: This class will encapsulate an uint and 
+**          provide an Object representation of it.
+**
+** 
+===========================================================*/
+namespace System {
+    using System.Globalization;
+    using System;
+///#if GENERICS_WORK
+///    using System.Numerics;
+///#endif
+    using System.Runtime;
+    using System.Runtime.InteropServices;
+    using System.Diagnostics.Contracts;
+
+    // * Wrapper for unsigned 32 bit integers.
+    [Serializable]
+    [CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] 
+    [System.Runtime.InteropServices.ComVisible(true)]
+#if GENERICS_WORK
+    public struct UInt32 : IComparable, IFormattable, IConvertible
+        , IComparable<UInt32>, IEquatable<UInt32>
+///     , IArithmetic<UInt32>
+#else
+    public struct UInt32 : IComparable, IFormattable, IConvertible
+#endif
+    {
+        private uint m_value;
+
+        public const uint MaxValue = (uint)0xffffffff;
+        public const uint MinValue = 0U;
+    
+    
+        // Compares this object to another object, returning an integer that
+        // indicates the relationship. 
+        // Returns a value less than zero if this  object
+        // null is considered to be less than any instance.
+        // If object is not of type UInt32, this method throws an ArgumentException.
+        // 
+        public int CompareTo(Object value) {
+            if (value == null) {
+                return 1;
+            }
+            if (value is UInt32) {
+                // Need to use compare because subtraction will wrap
+                // to positive for very large neg numbers, etc.
+                uint i = (uint)value;
+                if (m_value < i) return -1;
+                if (m_value > i) return 1;
+                return 0;
+            }
+            throw new ArgumentException(Environment.GetResourceString("Arg_MustBeUInt32"));
+        }
+
+        public int CompareTo(UInt32 value) {
+            // Need to use compare because subtraction will wrap
+            // to positive for very large neg numbers, etc.
+            if (m_value < value) return -1;
+            if (m_value > value) return 1;
+            return 0;
+        }
+    
+#if !FEATURE_CORECLR
+        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
+#endif    
+        public override bool Equals(Object obj) {
+            if (!(obj is UInt32)) {
+                return false;
+            }
+            return m_value == ((UInt32)obj).m_value;
+        }
+
+        public bool Equals(UInt32 obj)
+        {
+            return m_value == obj;
+        }
+
+        // The absolute value of the int contained.
+#if !FEATURE_CORECLR
+        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
+#endif
+        public override int GetHashCode() {
+            return ((int) m_value);
+        }
+    
+        // The base 10 representation of the number with no extra padding.
+        [System.Security.SecuritySafeCritical]  // auto-generated
+#if !FEATURE_CORECLR
+        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
+#endif
+        public override String ToString() {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, null, NumberFormatInfo.CurrentInfo);
+        }
+
+        [System.Security.SecuritySafeCritical]  // auto-generated
+        public String ToString(IFormatProvider provider) {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [System.Security.SecuritySafeCritical]  // auto-generated
+        public String ToString(String format) {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, format, NumberFormatInfo.CurrentInfo);
+        }
+
+        [System.Security.SecuritySafeCritical]  // auto-generated
+#if !FEATURE_CORECLR
+        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
+#endif
+        public String ToString(String format, IFormatProvider provider) {
+            Contract.Ensures(Contract.Result<String>() != null);
+            return Number.FormatUInt32(m_value, format, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s) {
+            return Number.ParseUInt32(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
+        }
+        
+        [CLSCompliant(false)]
+        public static uint Parse(String s, NumberStyles style) {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            return Number.ParseUInt32(s, style, NumberFormatInfo.CurrentInfo);
+        }
+
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s, IFormatProvider provider) {
+            return Number.ParseUInt32(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static uint Parse(String s, NumberStyles style, IFormatProvider provider) {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            return Number.ParseUInt32(s, style, NumberFormatInfo.GetInstance(provider));
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(String s, out UInt32 result) {
+            return Number.TryParseUInt32(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
+        }
+
+        [CLSCompliant(false)]
+        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt32 result) {
+            NumberFormatInfo.ValidateParseStyleInteger(style);
+            return Number.TryParseUInt32(s, style, NumberFormatInfo.GetInstance(provider), out result);
+        }
+
+        //
+        // IConvertible implementation
+        // 
+        
+#if !FEATURE_CORECLR
+        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
+#endif
+        public TypeCode GetTypeCode() {
+            return TypeCode.UInt32;
+        }
+
+        /// <internalonly/>
+        bool IConvertible.ToBoolean(IFormatProvider provider) {
+            return Convert.ToBoolean(m_value);
+        }
+
+        /// <internalonly/>
+        char IConvertible.ToChar(IFormatProvider provider) {
+            return Convert.ToChar(m_value);
+        }
+
+        /// <internalonly/>
+        sbyte IConvertible.ToSByte(IFormatProvider provider) {
+            return Convert.ToSByte(m_value);
+        }
+
+        /// <internalonly/>
+        byte IConvertible.ToByte(IFormatProvider provider) {
+            return Convert.ToByte(m_value);
+        }
+
+        /// <internalonly/>
+        short IConvertible.ToInt16(IFormatProvider provider) {
+            return Convert.ToInt16(m_value);
+        }
+
+        /// <internalonly/>
+        ushort IConvertible.ToUInt16(IFormatProvider provider) {
+            return Convert.ToUInt16(m_value);
+        }
+
+        /// <internalonly/>
+        int IConvertible.ToInt32(IFormatProvider provider) {
+            return Convert.ToInt32(m_value);
+        }
+
+        /// <internalonly/>
+        uint IConvertible.ToUInt32(IFormatProvider provider) {
+            return m_value;
+        }
+
+        /// <internalonly/>
+        long IConvertible.ToInt64(IFormatProvider provider) {
+            return Convert.ToInt64(m_value);
+        }
+
+        /// <internalonly/>
+#if !FEATURE_CORECLR
+        [TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
+#endif
+        ulong IConvertible.ToUInt64(IFormatProvider provider) {
+            return Convert.ToUInt64(m_value);
+        }
+
+        /// <internalonly/>
+        float IConvertible.ToSingle(IFormatProvider provider) {
+            return Convert.ToSingle(m_value);
+        }
+
+        /// <internalonly/>
+        double IConvertible.ToDouble(IFormatProvider provider) {
+            return Convert.ToDouble(m_value);
+        }
+
+        /// <internalonly/>
+        Decimal IConvertible.ToDecimal(IFormatProvider provider) {
+            return Convert.ToDecimal(m_value);
+        }
+
+        /// <internalonly/>
+        DateTime IConvertible.ToDateTime(IFormatProvider provider) {
+            throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", "UInt32", "DateTime"));
+        }
+
+        /// <internalonly/>
+        Object IConvertible.ToType(Type type, IFormatProvider provider) {
+            return Convert.DefaultToType((IConvertible)this, type, provider);
+        }
+
+///#if GENERICS_WORK
+///        //
+///        // IArithmetic<UInt32> implementation
+///        //
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.AbsoluteValue(out bool overflowed) {
+///            overflowed = false;
+///            return m_value;
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Negate(out bool overflowed) {
+///            overflowed = (m_value != 0);
+///            return m_value;
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Sign(out bool overflowed) {           
+///            overflowed = false;
+///            return (UInt32) (m_value == 0 ? 0 : 1);
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Add(UInt32 addend, out bool overflowed) {
+///            ulong ul = ((ulong)m_value) + addend;
+///            overflowed = (ul > MaxValue);
+///            return (UInt32) ul;
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Subtract(UInt32 subtrahend, out bool overflowed) {
+///            long l = ((long)m_value) - subtrahend;
+///            overflowed = (l < MinValue);            
+///            return (UInt32) l;
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Multiply(UInt32 multiplier, out bool overflowed) {
+///            //
+///            //   true arithmetic range check         =>     re-written for unsigned int
+///            // -------------------------------            -------------------------------
+///            // ((m_value * multiplier) > MaxValue)   =>   (multiplier != 0) && (m_value > (MaxValue / multiplier))
+///            //
+///
+///            overflowed = (multiplier != 0) && (m_value > (MaxValue / multiplier));
+///            return unchecked(m_value * multiplier);
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Divide(UInt32 divisor, out bool overflowed) {
+///            overflowed = false;
+///            return (UInt32) (m_value / divisor);  // divide by zero will fail
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.DivideRemainder(UInt32 divisor, out UInt32 remainder, out bool overflowed) {
+///            overflowed = false;
+///            remainder = (UInt32) (m_value % divisor);
+///            return (UInt32) (m_value / divisor);  // divide by zero will fail
+///        }
+///
+///        /// <internalonly/>
+///        UInt32 IArithmetic<UInt32>.Remainder(UInt32 divisor, out bool overflowed) {
+///            overflowed = false;
+///            return (UInt32) (m_value % divisor);
+///        }
+///
+///        /// <internalonly/>
+///        ArithmeticDescriptor<UInt32> IArithmetic<UInt32>.GetDescriptor() {
+///            if (s_descriptor == null) {
+///                s_descriptor = new UInt32ArithmeticDescriptor( ArithmeticCapabilities.One
+///                                                             | ArithmeticCapabilities.Zero
+///                                                             | ArithmeticCapabilities.MaxValue
+///                                                             | ArithmeticCapabilities.MinValue
+///                                                             | ArithmeticCapabilities.Unsigned);
+///            }
+///            return s_descriptor;
+///        }
+///
+///        private static UInt32ArithmeticDescriptor s_descriptor;
+/// 
+///        class UInt32ArithmeticDescriptor : ArithmeticDescriptor<UInt32> {
+///            public UInt32ArithmeticDescriptor(ArithmeticCapabilities capabilities) : base(capabilities) {}
+///
+///            public override UInt32 One {
+///                get {
+///                    return (UInt32) 1;
+///                }
+///            }
+///
+///            public override UInt32 Zero {
+///                get {
+///                    return (UInt32) 0;
+///                }
+///            }
+///
+///            public override UInt32 MinValue {
+///                get {
+///                    return UInt32.MinValue;
+///                }
+///            }
+///
+///            public override UInt32 MaxValue {
+///                get {
+///                    return UInt32.MaxValue;
+///                }
+///            }
+///        }
+///#endif // #if GENERICS_WORK
+    }
+}