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annotate Implab/Safe.cs @ 255:b00441e04738 v3

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Adde workaround to the behaviour of the logical operations stack in conjuction with async/await methods
author cin
date Wed, 04 Apr 2018 15:38:48 +0300
parents 7c7e9ad6fe4a
children 7d52dc684bbd
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5 using System.Text.RegularExpressions;
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6 using System.Diagnostics;
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7 using System.Collections;
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8 using System.Runtime.CompilerServices;
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9 using System.Threading.Tasks;
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10
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11 #if NET_4_5
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12 using System.Threading.Tasks;
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13 #endif
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14
1
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15 namespace Implab
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16 {
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17 public static class Safe
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18 {
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19 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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20 public static void ArgumentAssert(bool condition, string paramName) {
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21 if (!condition)
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22 throw new ArgumentException("The parameter is invalid", paramName);
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23 }
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24
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25 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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26 public static void ArgumentMatch(string value, string paramName, Regex rx) {
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27 if (rx == null)
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28 throw new ArgumentNullException("rx");
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29 if (!rx.IsMatch(value))
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30 throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
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31 }
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32
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33 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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34 public static void ArgumentNotEmpty(string value, string paramName) {
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35 if (String.IsNullOrEmpty(value))
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36 throw new ArgumentException("The parameter can't be empty", paramName);
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37 }
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39 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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40 public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
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41 if (value == null || value.Length == 0)
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42 throw new ArgumentException("The array must be not emty", paramName);
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43 }
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44
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45 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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46 public static void ArgumentNotNull(object value, string paramName) {
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47 if (value == null)
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48 throw new ArgumentNullException(paramName);
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49 }
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51 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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52 internal static void ArgumentGreaterEqThan(int value, int min, string paramName) {
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53 if (value < min)
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54 throw new ArgumentOutOfRangeException(paramName);
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55 }
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56
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57 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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58 public static void ArgumentInRange(bool condition, string paramName) {
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59 if (!condition)
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60 throw new ArgumentOutOfRangeException(paramName);
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61 }
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63 [MethodImpl(MethodImplOptions.AggressiveInlining)]
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64 public static void ArgumentOfType(object value, Type type, string paramName) {
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65 if (!type.IsInstanceOfType(value))
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66 throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName);
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67 }
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68
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69 public static void Dispose(params IDisposable[] objects) {
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70 foreach (var d in objects)
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71 if (d != null)
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72 d.Dispose();
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73 }
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75 public static void Dispose(params object[] objects) {
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76 foreach (var obj in objects) {
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77 var d = obj as IDisposable;
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78 if (d != null)
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79 d.Dispose();
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80 }
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81 }
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82
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83 public static void DisposeCollection(IEnumerable<IDisposable> objects) {
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84 foreach (var d in objects)
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85 Dispose(d);
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86 }
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87
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88 public static void DisposeCollection(IEnumerable objects) {
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89 foreach (var d in objects)
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90 Dispose(d);
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91 }
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92
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93 public static void Dispose(object obj) {
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94 if (obj is IDisposable)
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95 Dispose((IDisposable)obj);
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97 }
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98
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99 [DebuggerStepThrough]
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100 public static void DispatchEvent<T>(this EventHandler<T> handler, object sender, T args) {
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101 if (handler != null)
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102 handler(sender, args);
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103 }
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105 [DebuggerStepThrough]
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106 public static void DispatchEvent(this EventHandler handler, object sender, EventArgs args) {
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107 if (handler != null)
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108 handler(sender, args);
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109 }
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111 [DebuggerStepThrough]
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112 public static IPromise<T> Run<T>(Func<T> action) {
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113 ArgumentNotNull(action, "action");
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114
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115 try {
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116 return Promise.Resolve(action());
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117 } catch (Exception err) {
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118 return Promise.Reject<T>(err);
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119 }
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120 }
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121
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122 [DebuggerStepThrough]
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123 public static IPromise Run(Action action) {
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124 ArgumentNotNull(action, "action");
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125
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126 try {
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127 action();
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128 return Promise.Resolve();
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129 } catch (Exception err) {
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130 return Promise.Reject(err);
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131 }
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132 }
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133
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134 [DebuggerStepThrough]
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135 public static IPromise Run(Func<IPromise> action) {
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136 ArgumentNotNull(action, "action");
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137
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138 try {
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139 return action() ?? Promise.Reject(new Exception("The action returned null"));
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140 } catch (Exception err) {
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141 return Promise.Reject(err);
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142 }
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143 }
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144
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145 public static void NoWait(IPromise promise) {
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146 }
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147
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148 public static void NoWait(Task promise) {
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149 }
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150
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151 public static void NoWait<T>(Task<T> promise) {
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152 }
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153
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154 [DebuggerStepThrough]
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155 public static IPromise<T> Run<T>(Func<IPromise<T>> action) {
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156 ArgumentNotNull(action, "action");
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157
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158 try {
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159 return action() ?? Promise.Reject<T>(new Exception("The action returned null"));
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160 } catch (Exception err) {
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161 return Promise.Reject<T>(err);
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162 }
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163 }
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164
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165 #if NET_4_5
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166 public static void NoWait(Task t) {
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167 }
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168 #endif
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169
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170 }
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171 }