1 | //=====================================================
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2 | // File : btl.hh
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3 | // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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4 | //=====================================================
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5 | //
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6 | // This program is free software; you can redistribute it and/or
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7 | // modify it under the terms of the GNU General Public License
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8 | // as published by the Free Software Foundation; either version 2
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9 | // of the License, or (at your option) any later version.
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10 | //
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11 | // This program is distributed in the hope that it will be useful,
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12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | // GNU General Public License for more details.
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15 | // You should have received a copy of the GNU General Public License
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16 | // along with this program; if not, write to the Free Software
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17 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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18 | //
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19 | #ifndef BTL_HH
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20 | #define BTL_HH
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21 |
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22 | #include "bench_parameter.hh"
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23 | #include <iostream>
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24 | #include <algorithm>
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25 | #include <vector>
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26 | #include <string>
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27 | #include "utilities.h"
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28 |
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29 | #if (defined __GNUC__)
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30 | #define BTL_ALWAYS_INLINE __attribute__((always_inline)) inline
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31 | #else
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32 | #define BTL_ALWAYS_INLINE inline
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33 | #endif
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34 |
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35 | #if (defined __GNUC__)
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36 | #define BTL_DONT_INLINE __attribute__((noinline))
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37 | #else
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38 | #define BTL_DONT_INLINE
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39 | #endif
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40 |
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41 | #if (defined __GNUC__)
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42 | #define BTL_ASM_COMMENT(X) asm("#" X)
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43 | #else
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44 | #define BTL_ASM_COMMENT(X)
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45 | #endif
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46 |
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47 | #ifdef __SSE__
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48 | #include "xmmintrin.h"
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49 | // This enables flush to zero (FTZ) and denormals are zero (DAZ) modes:
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50 | #define BTL_DISABLE_SSE_EXCEPTIONS() { _mm_setcsr(_mm_getcsr() | 0x8040); }
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51 | #else
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52 | #define BTL_DISABLE_SSE_EXCEPTIONS()
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53 | #endif
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54 |
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55 | /** Enhanced std::string
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56 | */
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57 | class BtlString : public std::string
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58 | {
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59 | public:
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60 | BtlString() : std::string() {}
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61 | BtlString(const BtlString& str) : std::string(static_cast<const std::string&>(str)) {}
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62 | BtlString(const std::string& str) : std::string(str) {}
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63 | BtlString(const char* str) : std::string(str) {}
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64 |
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65 | operator const char* () const { return c_str(); }
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66 |
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67 | void trim( bool left = true, bool right = true )
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68 | {
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69 | int lspaces, rspaces, len = length(), i;
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70 | lspaces = rspaces = 0;
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71 |
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72 | if ( left )
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73 | for (i=0; i<len && (at(i)==' '||at(i)=='\t'||at(i)=='\r'||at(i)=='\n'); ++lspaces,++i);
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74 |
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75 | if ( right && lspaces < len )
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76 | for(i=len-1; i>=0 && (at(i)==' '||at(i)=='\t'||at(i)=='\r'||at(i)=='\n'); rspaces++,i--);
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77 |
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78 | *this = substr(lspaces, len-lspaces-rspaces);
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79 | }
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80 |
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81 | std::vector<BtlString> split( const BtlString& delims = "\t\n ") const
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82 | {
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83 | std::vector<BtlString> ret;
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84 | unsigned int numSplits = 0;
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85 | size_t start, pos;
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86 | start = 0;
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87 | do
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88 | {
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89 | pos = find_first_of(delims, start);
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90 | if (pos == start)
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91 | {
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92 | ret.push_back("");
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93 | start = pos + 1;
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94 | }
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95 | else if (pos == npos)
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96 | ret.push_back( substr(start) );
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97 | else
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98 | {
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99 | ret.push_back( substr(start, pos - start) );
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100 | start = pos + 1;
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101 | }
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102 | //start = find_first_not_of(delims, start);
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103 | ++numSplits;
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104 | } while (pos != npos);
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105 | return ret;
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106 | }
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107 |
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108 | bool endsWith(const BtlString& str) const
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109 | {
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110 | if(str.size()>this->size())
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111 | return false;
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112 | return this->substr(this->size()-str.size(),str.size()) == str;
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113 | }
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114 | bool contains(const BtlString& str) const
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115 | {
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116 | return this->find(str)<this->size();
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117 | }
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118 | bool beginsWith(const BtlString& str) const
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119 | {
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120 | if(str.size()>this->size())
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121 | return false;
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122 | return this->substr(0,str.size()) == str;
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123 | }
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124 |
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125 | BtlString toLowerCase( void )
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126 | {
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127 | std::transform(begin(), end(), begin(), static_cast<int(*)(int)>(::tolower) );
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128 | return *this;
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129 | }
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130 | BtlString toUpperCase( void )
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131 | {
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132 | std::transform(begin(), end(), begin(), static_cast<int(*)(int)>(::toupper) );
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133 | return *this;
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134 | }
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135 |
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136 | /** Case insensitive comparison.
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137 | */
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138 | bool isEquiv(const BtlString& str) const
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139 | {
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140 | BtlString str0 = *this;
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141 | str0.toLowerCase();
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142 | BtlString str1 = str;
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143 | str1.toLowerCase();
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144 | return str0 == str1;
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145 | }
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146 |
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147 | /** Decompose the current string as a path and a file.
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148 | For instance: "dir1/dir2/file.ext" leads to path="dir1/dir2/" and filename="file.ext"
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149 | */
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150 | void decomposePathAndFile(BtlString& path, BtlString& filename) const
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151 | {
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152 | std::vector<BtlString> elements = this->split("/\\");
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153 | path = "";
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154 | filename = elements.back();
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155 | elements.pop_back();
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156 | if (this->at(0)=='/')
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157 | path = "/";
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158 | for (unsigned int i=0 ; i<elements.size() ; ++i)
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159 | path += elements[i] + "/";
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160 | }
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161 | };
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162 |
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163 | class BtlConfig
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164 | {
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165 | public:
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166 | BtlConfig()
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167 | : overwriteResults(false), checkResults(true), realclock(false), tries(DEFAULT_NB_TRIES)
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168 | {
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169 | char * _config;
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170 | _config = getenv ("BTL_CONFIG");
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171 | if (_config!=NULL)
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172 | {
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173 | std::vector<BtlString> config = BtlString(_config).split(" \t\n");
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174 | for (int i = 0; i<config.size(); i++)
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175 | {
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176 | if (config[i].beginsWith("-a"))
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177 | {
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178 | if (i+1==config.size())
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179 | {
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180 | std::cerr << "error processing option: " << config[i] << "\n";
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181 | exit(2);
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182 | }
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183 | Instance.m_selectedActionNames = config[i+1].split(":");
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184 |
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185 | i += 1;
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186 | }
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187 | else if (config[i].beginsWith("-t"))
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188 | {
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189 | if (i+1==config.size())
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190 | {
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191 | std::cerr << "error processing option: " << config[i] << "\n";
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192 | exit(2);
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193 | }
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194 | Instance.tries = atoi(config[i+1].c_str());
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195 |
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196 | i += 1;
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197 | }
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198 | else if (config[i].beginsWith("--overwrite"))
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199 | {
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200 | Instance.overwriteResults = true;
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201 | }
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202 | else if (config[i].beginsWith("--nocheck"))
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203 | {
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204 | Instance.checkResults = false;
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205 | }
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206 | else if (config[i].beginsWith("--real"))
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207 | {
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208 | Instance.realclock = true;
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209 | }
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210 | }
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211 | }
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212 |
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213 | BTL_DISABLE_SSE_EXCEPTIONS();
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214 | }
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215 |
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216 | BTL_DONT_INLINE static bool skipAction(const std::string& _name)
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217 | {
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218 | if (Instance.m_selectedActionNames.empty())
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219 | return false;
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220 |
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221 | BtlString name(_name);
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222 | for (int i=0; i<Instance.m_selectedActionNames.size(); ++i)
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223 | if (name.contains(Instance.m_selectedActionNames[i]))
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224 | return false;
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225 |
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226 | return true;
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227 | }
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228 |
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229 | static BtlConfig Instance;
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230 | bool overwriteResults;
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231 | bool checkResults;
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232 | bool realclock;
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233 | int tries;
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234 |
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235 | protected:
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236 | std::vector<BtlString> m_selectedActionNames;
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237 | };
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238 |
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239 | #define BTL_MAIN \
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240 | BtlConfig BtlConfig::Instance
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241 |
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242 | #endif // BTL_HH
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