1 | #include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | |
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5 | #include "cmt_use.h" |
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6 | #include "cmt_system.h" |
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7 | #include "cmt_symbol.h" |
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8 | #include "cmt_error.h" |
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9 | #include "cmt_database.h" |
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10 | |
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11 | static Use* CurrentUse = 0; |
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12 | |
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13 | //---------------------------------------------------------- |
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14 | class VersionSelector |
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15 | { |
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16 | public: |
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17 | static VersionSelector& instance (); |
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18 | |
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19 | virtual Use* operate (Use* ref_use, Use* new_use) |
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20 | { |
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21 | return (ref_use); |
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22 | } |
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23 | }; |
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24 | |
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25 | class BestFitSelector : public VersionSelector |
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26 | { |
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27 | public: |
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28 | Use* operate (Use* ref_use, Use* new_use); |
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29 | }; |
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30 | |
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31 | class BestFitNoCheckSelector : public VersionSelector |
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32 | { |
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33 | public: |
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34 | Use* operate (Use* ref_use, Use* new_use); |
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35 | }; |
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36 | |
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37 | class FirstChoiceSelector : public VersionSelector |
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38 | { |
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39 | public: |
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40 | Use* operate (Use* ref_use, Use* new_use); |
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41 | }; |
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42 | |
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43 | class LastChoiceSelector : public VersionSelector |
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44 | { |
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45 | public: |
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46 | Use* operate (Use* ref_use, Use* new_use); |
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47 | }; |
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48 | |
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49 | class KeepAllSelector : public VersionSelector |
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50 | { |
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51 | public: |
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52 | Use* operate (Use* ref_use, Use* new_use); |
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53 | }; |
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54 | //---------------------------------------------------------- |
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55 | |
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56 | //---------------------------------------------------------- |
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57 | // |
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58 | // Operations on Use |
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59 | // |
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60 | //---------------------------------------------------------- |
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61 | |
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62 | //---------------------------------------------------------- |
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63 | void Use::select_clients (const cmt_string& package, |
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64 | const cmt_string& version) |
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65 | { |
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66 | static UsePtrVector& Uses = uses (); |
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67 | |
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68 | int number; |
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69 | Use* use = 0; |
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70 | |
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71 | unselect_all (); |
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72 | undiscard_all (); |
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73 | |
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74 | for (number = Uses.size () - 1; number >= 0; number--) |
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75 | { |
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76 | use = Uses[number]; |
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77 | if (use == 0) continue; |
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78 | if (use->is_selected ()) continue; |
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79 | use->select (); |
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80 | if (!use->is_client (package, version)) use->discard (); |
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81 | } |
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82 | } |
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83 | |
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84 | //---------------------------------------------------------- |
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85 | void Use::show_all (bool skip_discarded) |
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86 | { |
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87 | show_all ("use ", skip_discarded); |
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88 | } |
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89 | |
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90 | //---------------------------------------------------------- |
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91 | void Use::show_all (const cmt_string& prefix, bool skip_discarded) |
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92 | { |
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93 | static UsePtrVector& Uses = uses (); |
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94 | |
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95 | Use* use; |
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96 | int number; |
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97 | |
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98 | unselect_all (); |
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99 | |
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100 | use = &(current ()); |
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101 | use->unselect (); |
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102 | if (!Cmt::quiet) use->show_sub_uses (skip_discarded); |
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103 | |
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104 | if (Uses.size () > 0) |
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105 | { |
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106 | if (!Cmt::quiet) |
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107 | { |
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108 | cout << "#\n"; |
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109 | cout << "# Selection :\n"; |
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110 | } |
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111 | |
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112 | // |
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113 | // First move the CMT package to the end of the use set. |
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114 | // (ie. used by everybody) |
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115 | // |
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116 | use = Use::find ("CMT"); |
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117 | Use::move (use); |
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118 | |
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119 | for (number = Uses.size () - 1; number >= 0; number--) |
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120 | { |
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121 | use = Uses[number]; |
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122 | |
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123 | if (use->discarded) continue; |
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124 | |
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125 | if (use->real_path == "") |
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126 | { |
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127 | if (!Cmt::quiet) |
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128 | { |
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129 | cout << "# package " << use->package << |
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130 | " " << use->version << " " << use->path << |
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131 | " not found" << |
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132 | endl; |
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133 | } |
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134 | CmtError::set (CmtError::package_not_found, use->package); |
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135 | } |
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136 | else |
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137 | { |
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138 | cout << prefix << use->package << |
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139 | " " << use->version << |
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140 | " " << use->real_path << |
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141 | endl; |
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142 | } |
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143 | } |
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144 | |
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145 | if (Cmt::cmt_home != "") |
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146 | { |
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147 | cout << prefix << CmtSystem::get_home_package () << |
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148 | " " << Cmt::cmt_home << |
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149 | endl; |
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150 | } |
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151 | |
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152 | if (Cmt::cmt_user_context != "") |
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153 | { |
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154 | cout << prefix << CmtSystem::get_user_context_package () << |
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155 | " " << Cmt::cmt_user_context << |
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156 | endl; |
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157 | } |
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158 | } |
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159 | } |
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160 | |
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161 | class use_action_iterator |
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162 | { |
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163 | public: |
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164 | |
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165 | use_action_iterator () |
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166 | { |
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167 | state = need_package; |
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168 | auto_imports = request_auto_imports; |
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169 | } |
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170 | |
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171 | void set (const cmt_string& w) |
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172 | { |
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173 | if (w == "-auto_imports") |
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174 | { |
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175 | auto_imports = request_auto_imports; |
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176 | } |
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177 | else if (w == "-no_auto_imports") |
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178 | { |
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179 | auto_imports = no_auto_imports; |
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180 | } |
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181 | else if (w == "|") |
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182 | { |
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183 | state = need_version_alias; |
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184 | } |
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185 | else |
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186 | { |
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187 | switch (state) |
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188 | { |
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189 | case need_package: |
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190 | package = w; |
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191 | state = need_version; |
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192 | break; |
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193 | case need_version: |
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194 | version = w; |
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195 | state = need_path; |
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196 | break; |
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197 | case need_path: |
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198 | path = w; |
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199 | state = finished; |
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200 | break; |
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201 | case need_version_alias: |
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202 | version_alias = w; |
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203 | state = need_path_alias; |
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204 | break; |
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205 | case need_path_alias: |
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206 | path_alias = w; |
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207 | state = finished; |
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208 | break; |
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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 | bool ok () |
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214 | { |
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215 | if (package == "") return (false); |
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216 | if (CmtSystem::is_home_package (package, version)) return (false); |
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217 | if (CmtSystem::is_user_context_package (package, version)) return (false); |
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218 | |
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219 | return (true); |
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220 | } |
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221 | |
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222 | Use* get_use (Use* use) |
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223 | { |
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224 | static Use::UsePtrVector& Uses = Use::uses (); |
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225 | |
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226 | if (version == "") version = "*"; |
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227 | |
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228 | if (Cmt::debug) |
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229 | { |
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230 | int i; |
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231 | |
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232 | cout << "use::action1> current=" << use->package << |
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233 | " package=" << package << " "; |
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234 | |
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235 | for (i = 0; i < Uses.size (); i++) |
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236 | { |
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237 | Use* use = Uses[i]; |
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238 | cout << use->package << " "; |
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239 | } |
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240 | cout << endl; |
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241 | } |
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242 | |
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243 | const Use& cu = Use::current (); |
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244 | |
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245 | if ((use != 0) && |
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246 | (use->package != cu.package) && |
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247 | (Cmt::scope == ScopePrivate)) |
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248 | { |
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249 | return (0); |
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250 | } |
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251 | |
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252 | |
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253 | // Here the version may contain wild cards |
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254 | Use* new_use = Use::add (path, package, version, |
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255 | version_alias, path_alias, use); |
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256 | |
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257 | switch (auto_imports) |
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258 | { |
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259 | case keep_auto_imports: |
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260 | break; |
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261 | case request_auto_imports: |
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262 | new_use->auto_imports = true; |
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263 | break; |
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264 | case no_auto_imports: |
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265 | new_use->auto_imports = false; |
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266 | break; |
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267 | } |
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268 | |
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269 | Use::reorder (new_use, use); |
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270 | |
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271 | if (Cmt::debug) |
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272 | { |
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273 | int i; |
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274 | |
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275 | cout << "use::action2> current=" << use->package << |
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276 | " package=" << package << " "; |
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277 | for (i = 0; i < Uses.size (); i++) |
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278 | { |
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279 | Use* use = Uses[i]; |
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280 | cout << use->package << " "; |
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281 | } |
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282 | cout << endl; |
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283 | } |
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284 | |
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285 | return (new_use); |
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286 | } |
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287 | |
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288 | private: |
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289 | |
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290 | enum |
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291 | { |
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292 | need_package, |
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293 | need_version, |
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294 | need_path, |
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295 | need_version_alias, |
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296 | need_path_alias, |
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297 | finished |
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298 | } state; |
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299 | |
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300 | enum |
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301 | { |
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302 | keep_auto_imports, |
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303 | request_auto_imports, |
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304 | no_auto_imports |
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305 | } auto_imports; |
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306 | |
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307 | cmt_string package; |
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308 | cmt_string version; |
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309 | cmt_string path; |
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310 | cmt_string version_alias; |
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311 | cmt_string path_alias; |
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312 | }; |
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313 | |
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314 | //---------------------------------------------------------- |
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315 | Use* Use::action (const CmtSystem::cmt_string_vector& words, Use* use) |
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316 | { |
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317 | Use* new_use; |
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318 | |
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319 | // |
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320 | // complete syntax : "use <package> <version> <path>" |
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321 | // minimal syntax : "use <package>" |
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322 | // |
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323 | // o if <version> is omitted then take any version available |
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324 | // o <version> can be specified using "v*" or "v<n>r*" or "v<n>r<m>p*" |
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325 | // |
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326 | // o the notation "v*" is preferred to omission (particularly since |
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327 | // omission does not permit <path>) |
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328 | // |
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329 | if (words.size () < 2) return (0); |
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330 | |
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331 | use_action_iterator it; |
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332 | |
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333 | for (int i = 1; i < words.size (); i++) |
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334 | { |
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335 | const cmt_string& w = words[i]; |
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336 | cmt_string ew = w; |
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337 | |
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338 | Symbol::expand (ew); |
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339 | if (ew != w) |
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340 | { |
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341 | CmtSystem::cmt_string_vector ws; |
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342 | |
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343 | CmtSystem::split (ew, " ", ws); |
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344 | |
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345 | for (int j = 0; j < ws.size (); ++j) |
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346 | { |
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347 | const cmt_string& ww = ws[j]; |
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348 | it.set (ww); |
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349 | } |
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350 | } |
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351 | else |
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352 | { |
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353 | it.set (ew); |
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354 | } |
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355 | } |
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356 | |
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357 | if (!it.ok ()) return (0); |
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358 | |
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359 | static int level = 0; |
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360 | |
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361 | level++; |
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362 | new_use = it.get_use (use); |
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363 | level--; |
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364 | |
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365 | return (new_use); |
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366 | } |
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367 | |
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368 | //---------------------------------------------------------- |
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369 | void Use::author_action (const CmtSystem::cmt_string_vector& words) |
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370 | { |
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371 | if (author != "") author += "\n"; |
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372 | for (int i = 1; i < words.size (); i++) |
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373 | { |
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374 | const cmt_string& w = words[i]; |
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375 | |
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376 | if (i > 1) author += " "; |
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377 | author += w; |
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378 | } |
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379 | } |
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380 | |
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381 | //---------------------------------------------------------- |
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382 | void Use::manager_action (const CmtSystem::cmt_string_vector& words) |
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383 | { |
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384 | if (manager != "") manager += "\n"; |
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385 | for (int i = 1; i < words.size (); i++) |
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386 | { |
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387 | const cmt_string& w = words[i]; |
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388 | |
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389 | if (i > 1) manager += " "; |
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390 | manager += w; |
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391 | } |
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392 | } |
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393 | |
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394 | //---------------------------------------------------------- |
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395 | Use* Use::find (const cmt_string& package, const cmt_string& version, const cmt_string& path) |
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396 | { |
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397 | static UsePtrVector& Uses = uses (); |
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398 | static UseVector& AllUses = all_uses (); |
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399 | |
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400 | int use_index; |
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401 | |
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402 | if (AllUses.size () == 0) return (0); |
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403 | |
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404 | for (use_index = 0; use_index < Uses.size (); use_index++) |
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405 | { |
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406 | Use& use = (*Uses[use_index]); |
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407 | |
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408 | if (use.package == package) |
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409 | { |
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410 | // If the version argument is omitted then |
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411 | // take the first registered version |
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412 | if (version == "") return (&use); |
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413 | |
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414 | // Otherwise compare against specified_version and path |
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415 | //if ((use.specified_version == version) && |
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416 | // (use.specified_path == path)) return (&use); |
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417 | |
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418 | // what about comparing wild cards? |
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419 | |
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420 | if (use.specified_version == version) return (&use); |
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421 | } |
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422 | } |
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423 | |
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424 | return (0); |
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425 | } |
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426 | |
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427 | //---------------------------------------------------------- |
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428 | // |
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429 | // Move use to the end |
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430 | // |
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431 | //---------------------------------------------------------- |
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432 | void Use::move (Use* use1) |
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433 | { |
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434 | static UsePtrVector& Uses = uses (); |
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435 | |
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436 | int use_index; |
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437 | Use* use; |
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438 | int found = 0; |
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439 | |
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440 | if (Uses.size () == 0) return; |
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441 | if (use1 == 0) return; |
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442 | |
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443 | // |
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444 | // On se positionne sur le pointeur. |
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445 | // |
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446 | for (use_index = 0; use_index < Uses.size (); use_index++) |
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447 | { |
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448 | use = Uses[use_index]; |
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449 | |
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450 | if (use == use1) |
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451 | { |
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452 | found = 1; |
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453 | break; |
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454 | } |
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455 | } |
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456 | |
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457 | if (!found) return; |
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458 | |
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459 | // |
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460 | // On deplace tous les pointeurs d'une case en arriere |
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461 | // |
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462 | for (use_index++; |
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463 | use_index < Uses.size (); |
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464 | use_index++) |
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465 | { |
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466 | Uses[use_index - 1] = Uses[use_index]; |
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467 | } |
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468 | |
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469 | // |
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470 | // use1 est donc replace en derniere position |
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471 | // |
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472 | { |
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473 | Uses[Uses.size () - 1] = use1; |
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474 | } |
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475 | } |
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476 | |
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477 | //---------------------------------------------------------- |
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478 | void Use::reorder (Use* use1, Use* use2) |
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479 | { |
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480 | static UsePtrVector& Uses = uses (); |
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481 | |
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482 | int use_index; |
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483 | int index1 = -1; |
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484 | int index2 = -1; |
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485 | Use* use; |
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486 | |
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487 | if (Uses.size () == 0) return; |
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488 | if (use1 == use2) return; |
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489 | |
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490 | // |
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491 | // First locate the two use objects into the Uses vector. |
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492 | // -> index1 and index 2 |
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493 | // |
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494 | for (use_index = 0; use_index < Uses.size (); use_index++) |
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495 | { |
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496 | use = (Use*) Uses[use_index]; |
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497 | |
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498 | if (use == use1) index1 = use_index; |
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499 | if (use == use2) index2 = use_index; |
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500 | } |
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501 | |
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502 | if (Cmt::debug) |
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503 | { |
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504 | cout << "Use::reorder> 1=" << index1 << " 2=" << index2 << endl; |
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505 | } |
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506 | |
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507 | // |
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508 | // Both objects must be installed in Uses before acting. |
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509 | // |
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510 | if (index1 == -1) return; |
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511 | if (index2 == -1) return; |
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512 | |
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513 | if (index2 < index1) |
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514 | { |
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515 | // |
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516 | // 2 is already before 1 so job is finished |
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517 | // |
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518 | return; |
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519 | } |
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520 | else |
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521 | { |
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522 | // |
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523 | // before : <aaa 1 bbbb 2 ccc> |
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524 | // |
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525 | // o move "1 bbbb" by one place to the right |
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526 | // thus : <aaa 1 1 bbbb ccc> |
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527 | // |
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528 | // o move "2" to [1] |
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529 | // |
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530 | // after : <aaa 2 1 bbbb ccc> |
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531 | // |
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532 | |
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533 | use = use2; |
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534 | |
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535 | for (use_index = index2 - 1; use_index >= index1; use_index--) |
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536 | { |
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537 | Uses[use_index + 1] = Uses[use_index]; |
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538 | } |
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539 | |
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540 | Uses[index1] = use; |
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541 | } |
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542 | } |
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543 | |
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544 | //---------------------------------------------------------- |
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545 | void Use::clear_all () |
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546 | { |
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547 | static UsePtrVector& Uses = uses (); |
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548 | static UseVector& AllUses = all_uses (); |
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549 | |
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550 | int use_index; |
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551 | |
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552 | for (use_index = 0; use_index < AllUses.size (); use_index++) |
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553 | { |
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554 | Use& use = AllUses[use_index]; |
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555 | use.clear (); |
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556 | } |
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557 | |
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558 | Uses.clear (); |
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559 | AllUses.clear (); |
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560 | CurrentUse = 0; |
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561 | } |
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562 | |
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563 | //---------------------------------------------------------- |
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564 | void Use::unselect_all () |
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565 | { |
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566 | static UsePtrVector& Uses = uses (); |
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567 | |
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568 | int use_index; |
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569 | |
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570 | if (Uses.size () == 0) return; |
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571 | |
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572 | for (use_index = 0; use_index < Uses.size (); use_index++) |
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573 | { |
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574 | Use* use = Uses[use_index]; |
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575 | |
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576 | if (use != 0) |
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577 | { |
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578 | use->unselect (); |
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579 | } |
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580 | } |
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581 | } |
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582 | |
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583 | //---------------------------------------------------------- |
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584 | void Use::undiscard_all () |
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585 | { |
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586 | static UsePtrVector& Uses = uses (); |
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587 | |
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588 | int use_index; |
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589 | |
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590 | if (Uses.size () == 0) return; |
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591 | |
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592 | for (use_index = 0; use_index < Uses.size (); use_index++) |
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593 | { |
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594 | Use* use = Uses[use_index]; |
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595 | |
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596 | if (use != 0) |
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597 | { |
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598 | use->undiscard (); |
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599 | } |
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600 | } |
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601 | } |
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602 | |
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603 | //---------------------------------------------------------- |
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604 | void Use::fill_macro_all (cmt_string& buffer, const cmt_string& suffix) |
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605 | { |
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606 | UsePtrVector& Uses = uses (); |
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607 | |
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608 | buffer = "macro_append use_"; |
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609 | buffer += suffix; |
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610 | buffer += " \" "; |
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611 | (Use::current()).fill_macro (buffer, suffix); |
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612 | |
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613 | for (int number = 0; number < Uses.size (); number++) |
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614 | { |
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615 | Use* use = Uses[number]; |
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616 | |
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617 | if (use->package == "CMT") continue; |
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618 | if (use->package == "methods") continue; |
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619 | if (use->discarded) continue; |
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620 | if (!use->auto_imports) continue; |
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621 | |
---|
622 | use->fill_macro (buffer, suffix); |
---|
623 | } |
---|
624 | |
---|
625 | buffer += "\""; |
---|
626 | } |
---|
627 | |
---|
628 | //---------------------------------------------------------- |
---|
629 | Use::Use () |
---|
630 | { |
---|
631 | done = false; |
---|
632 | discarded = false; |
---|
633 | auto_imports = true; |
---|
634 | |
---|
635 | clear (); |
---|
636 | } |
---|
637 | |
---|
638 | //---------------------------------------------------------- |
---|
639 | Use::Use (const cmt_string& new_package, |
---|
640 | const cmt_string& new_version, |
---|
641 | const cmt_string& new_path) |
---|
642 | { |
---|
643 | auto_imports = true; |
---|
644 | set (new_package, new_version, new_path); |
---|
645 | } |
---|
646 | |
---|
647 | //---------------------------------------------------------- |
---|
648 | Use::~Use () |
---|
649 | { |
---|
650 | clear (); |
---|
651 | } |
---|
652 | |
---|
653 | //---------------------------------------------------------- |
---|
654 | void Use::clear () |
---|
655 | { |
---|
656 | specified_path = ""; |
---|
657 | path = ""; |
---|
658 | package = ""; |
---|
659 | version = ""; |
---|
660 | author = ""; |
---|
661 | manager = ""; |
---|
662 | real_path = ""; |
---|
663 | |
---|
664 | prefix = ""; |
---|
665 | style = mgr_style; |
---|
666 | cmt_scope = Cmt::scope; |
---|
667 | scope = Cmt::scope; |
---|
668 | done = false; |
---|
669 | discarded = false; |
---|
670 | selected = false; |
---|
671 | auto_imports = true; |
---|
672 | |
---|
673 | includes.clear (); |
---|
674 | include_path = ""; |
---|
675 | scripts.clear (); |
---|
676 | apply_patterns.clear (); |
---|
677 | ignore_patterns.clear (); |
---|
678 | |
---|
679 | sub_uses.clear (); |
---|
680 | alternate_versions.clear (); |
---|
681 | alternate_paths.clear (); |
---|
682 | |
---|
683 | version_alias = ""; |
---|
684 | path_alias = ""; |
---|
685 | } |
---|
686 | |
---|
687 | //---------------------------------------------------------- |
---|
688 | void Use::set (const cmt_string& new_package, |
---|
689 | const cmt_string& new_version, |
---|
690 | const cmt_string& new_path, |
---|
691 | const cmt_string& new_version_alias, |
---|
692 | const cmt_string& new_path_alias) |
---|
693 | { |
---|
694 | clear (); |
---|
695 | |
---|
696 | package = new_package; |
---|
697 | specified_path = new_path; |
---|
698 | // specified_path.replace_all ("\\", "/"); |
---|
699 | |
---|
700 | specified_version = new_version; |
---|
701 | version = new_version; |
---|
702 | path = specified_path; |
---|
703 | Symbol::expand (path); |
---|
704 | real_path = ""; |
---|
705 | style = mgr_style; |
---|
706 | cmt_scope = Cmt::scope; |
---|
707 | scope = Cmt::scope; |
---|
708 | done = false; |
---|
709 | discarded = false; |
---|
710 | Cmt::build_prefix (new_package, prefix); |
---|
711 | |
---|
712 | version_alias = new_version_alias; |
---|
713 | path_alias = new_path_alias; |
---|
714 | } |
---|
715 | |
---|
716 | //---------------------------------------------------------- |
---|
717 | void Use::change_path (const cmt_string& new_path) |
---|
718 | { |
---|
719 | // |
---|
720 | // This methods changes real_path after an actual location |
---|
721 | // where this package/version has been found. |
---|
722 | // |
---|
723 | |
---|
724 | real_path = ""; |
---|
725 | |
---|
726 | if (new_path != "") |
---|
727 | { |
---|
728 | if ((path.size () > 0) && |
---|
729 | (!CmtSystem::absolute_path (path))) |
---|
730 | { |
---|
731 | real_path = new_path; |
---|
732 | real_path += CmtSystem::file_separator (); |
---|
733 | real_path += path; |
---|
734 | } |
---|
735 | else |
---|
736 | { |
---|
737 | real_path = new_path; |
---|
738 | } |
---|
739 | // real_path.replace_all ("\\", "/"); |
---|
740 | } |
---|
741 | } |
---|
742 | |
---|
743 | //---------------------------------------------------------- |
---|
744 | int Use::reach_package (const cmt_string& from_path) |
---|
745 | { |
---|
746 | //cerr << "Use::reach_package> (" << package << " " << version << ")from " << from_path << endl; |
---|
747 | |
---|
748 | // |
---|
749 | // We try to reach a package/version starting from from_path |
---|
750 | // |
---|
751 | |
---|
752 | // check if from_path is at least real |
---|
753 | if ((from_path != "") && !CmtSystem::cd (from_path)) return (0); |
---|
754 | |
---|
755 | // check in case from_path is a new search path |
---|
756 | if (from_path != real_path) |
---|
757 | { |
---|
758 | // Move to that prefix only if it is a relative path. |
---|
759 | if ((path.size () > 0) && (!CmtSystem::absolute_path (path))) |
---|
760 | { |
---|
761 | if (!CmtSystem::cd (path)) |
---|
762 | { |
---|
763 | return (0); |
---|
764 | } |
---|
765 | } |
---|
766 | } |
---|
767 | |
---|
768 | // Special treatment for HOME package... |
---|
769 | if (package == CmtSystem::get_home_package ()) |
---|
770 | { |
---|
771 | discarded = 1; |
---|
772 | if (!CmtSystem::test_file ("requirements")) |
---|
773 | { |
---|
774 | return (0); |
---|
775 | } |
---|
776 | else |
---|
777 | { |
---|
778 | return (1); |
---|
779 | } |
---|
780 | } |
---|
781 | |
---|
782 | // Special treatment for USERCONTEXT package... |
---|
783 | if (package == CmtSystem::get_user_context_package ()) |
---|
784 | { |
---|
785 | discarded = 1; |
---|
786 | if (!CmtSystem::test_file ("requirements")) |
---|
787 | { |
---|
788 | return (0); |
---|
789 | } |
---|
790 | else |
---|
791 | { |
---|
792 | return (1); |
---|
793 | } |
---|
794 | } |
---|
795 | |
---|
796 | // Now from_path exists, try if the package exists there |
---|
797 | if (!CmtSystem::cd (package)) |
---|
798 | { |
---|
799 | return (0); |
---|
800 | } |
---|
801 | |
---|
802 | if (!CmtSystem::cd (version)) |
---|
803 | { |
---|
804 | // |
---|
805 | // The specified version cannot be found per-se |
---|
806 | // There are alternate possibilities when it contains wild cards |
---|
807 | // |
---|
808 | if ((version == "") || |
---|
809 | (version.find ("*") != cmt_string::npos)) |
---|
810 | { |
---|
811 | static CmtSystem::cmt_string_vector versions; |
---|
812 | static cmt_string name; |
---|
813 | |
---|
814 | name = "."; |
---|
815 | name += CmtSystem::file_separator (); |
---|
816 | if (version == "") name += "*"; |
---|
817 | else name += version; |
---|
818 | |
---|
819 | CmtSystem::scan_dir (name, versions); |
---|
820 | |
---|
821 | int i; |
---|
822 | |
---|
823 | for (i = 0; i < versions.size (); i++) |
---|
824 | { |
---|
825 | const cmt_string& vers = versions[i]; |
---|
826 | |
---|
827 | if (Cmt::debug) |
---|
828 | { |
---|
829 | cout << " ... version " << vers << " exists" << endl; |
---|
830 | } |
---|
831 | |
---|
832 | CmtSystem::basename (vers, name); |
---|
833 | |
---|
834 | int v; |
---|
835 | int r; |
---|
836 | int p; |
---|
837 | |
---|
838 | if (CmtSystem::is_version_directory (name, v, r, p)) |
---|
839 | { |
---|
840 | /* |
---|
841 | This check is not sufficient !! We need to check in addition |
---|
842 | that the selected directory is really the start of a true CMT |
---|
843 | package (ie with either /mgr/requirements or /cmt/requirements below) |
---|
844 | */ |
---|
845 | |
---|
846 | cmt_string req; |
---|
847 | |
---|
848 | req = name; |
---|
849 | req += CmtSystem::file_separator (); |
---|
850 | req += "mgr"; |
---|
851 | req += CmtSystem::file_separator (); |
---|
852 | req += "requirements"; |
---|
853 | |
---|
854 | if (!CmtSystem::test_file (req)) |
---|
855 | { |
---|
856 | req = name; |
---|
857 | req += CmtSystem::file_separator (); |
---|
858 | req += "cmt"; |
---|
859 | req += CmtSystem::file_separator (); |
---|
860 | req += "requirements"; |
---|
861 | |
---|
862 | if (!CmtSystem::test_file (req)) continue; |
---|
863 | } |
---|
864 | |
---|
865 | cmt_string& new_v = alternate_versions.add (); |
---|
866 | new_v = name; |
---|
867 | cmt_string& new_p = alternate_paths.add (); |
---|
868 | new_p = from_path; |
---|
869 | } |
---|
870 | } |
---|
871 | } |
---|
872 | |
---|
873 | //cerr << " ... end of version scan" << endl; |
---|
874 | |
---|
875 | // |
---|
876 | // We have now the list of possible alternate versions. However |
---|
877 | // we return that the expected package/version was not found (yet). |
---|
878 | // |
---|
879 | |
---|
880 | return (0); |
---|
881 | } |
---|
882 | |
---|
883 | //cerr << " ... version " << version << " exists" << endl; |
---|
884 | |
---|
885 | // Now we have met the exact specified version! |
---|
886 | if (!CmtSystem::test_file ("cmt/requirements")) |
---|
887 | { |
---|
888 | if (!CmtSystem::test_file ("mgr/requirements")) |
---|
889 | { |
---|
890 | return (0); |
---|
891 | } |
---|
892 | else |
---|
893 | { |
---|
894 | CmtSystem::cd ("mgr"); |
---|
895 | style = mgr_style; |
---|
896 | } |
---|
897 | } |
---|
898 | else |
---|
899 | { |
---|
900 | CmtSystem::cd ("cmt"); |
---|
901 | style = cmt_style; |
---|
902 | } |
---|
903 | |
---|
904 | return (1); |
---|
905 | } |
---|
906 | |
---|
907 | //---------------------------------------------------------- |
---|
908 | bool Use::move_to () |
---|
909 | { |
---|
910 | if (real_path != "") |
---|
911 | { |
---|
912 | // |
---|
913 | // The real path where this version/package can be found |
---|
914 | // has already been resolved. We thus first go there. |
---|
915 | // |
---|
916 | |
---|
917 | if (Cmt::debug) |
---|
918 | { |
---|
919 | cout << "move_to1> " << real_path << endl; |
---|
920 | } |
---|
921 | |
---|
922 | reach_package (real_path); |
---|
923 | return (true); |
---|
924 | } |
---|
925 | |
---|
926 | cmt_string expanded_path = path; |
---|
927 | |
---|
928 | // |
---|
929 | // Try here. |
---|
930 | // |
---|
931 | if (expanded_path == "") |
---|
932 | { |
---|
933 | if (reach_package ("")) |
---|
934 | { |
---|
935 | if (Cmt::debug) |
---|
936 | { |
---|
937 | cout << "move_to2> " << expanded_path << endl; |
---|
938 | } |
---|
939 | |
---|
940 | change_path (expanded_path); |
---|
941 | return (true); |
---|
942 | } |
---|
943 | } |
---|
944 | |
---|
945 | // |
---|
946 | // If the path specified in this use is a true absolute path, |
---|
947 | // then we search the package from there first. |
---|
948 | // |
---|
949 | if (CmtSystem::absolute_path (expanded_path)) |
---|
950 | { |
---|
951 | if (reach_package (expanded_path)) |
---|
952 | { |
---|
953 | if (Cmt::debug) |
---|
954 | { |
---|
955 | cout << "move_to3> " << expanded_path << endl; |
---|
956 | } |
---|
957 | |
---|
958 | change_path (expanded_path); |
---|
959 | return (true); |
---|
960 | } |
---|
961 | } |
---|
962 | |
---|
963 | // |
---|
964 | // Second try is among the CMTPATHs |
---|
965 | // |
---|
966 | |
---|
967 | static const CmtSystem::cmt_string_vector& search_path = Cmt::cmt_path; |
---|
968 | int path_index = 0; |
---|
969 | |
---|
970 | for (path_index = 0; path_index < search_path.size (); path_index++) |
---|
971 | { |
---|
972 | const cmt_string& next_path = search_path[path_index]; |
---|
973 | |
---|
974 | if (reach_package (next_path)) |
---|
975 | { |
---|
976 | if (Cmt::debug) |
---|
977 | { |
---|
978 | cout << "move_to4> " << next_path << endl; |
---|
979 | } |
---|
980 | |
---|
981 | change_path (next_path); |
---|
982 | return (true); |
---|
983 | } |
---|
984 | } |
---|
985 | |
---|
986 | if (select_alternate ()) |
---|
987 | { |
---|
988 | if (Cmt::debug) |
---|
989 | { |
---|
990 | cout << "move_to5> " << real_path << endl; |
---|
991 | } |
---|
992 | |
---|
993 | return (true); |
---|
994 | } |
---|
995 | |
---|
996 | return (false); |
---|
997 | } |
---|
998 | |
---|
999 | //---------------------------------------------------------- |
---|
1000 | bool Use::select_alternate () |
---|
1001 | { |
---|
1002 | int i; |
---|
1003 | |
---|
1004 | int v0 = 0; |
---|
1005 | int r0 = 0; |
---|
1006 | int p0 = 0; |
---|
1007 | |
---|
1008 | int v = 0; |
---|
1009 | int r = 0; |
---|
1010 | int p = 0; |
---|
1011 | |
---|
1012 | int selected_index = -1; |
---|
1013 | |
---|
1014 | for (i = 0; i < alternate_versions.size (); i++) |
---|
1015 | { |
---|
1016 | cmt_string& name = alternate_versions[i]; |
---|
1017 | |
---|
1018 | /* |
---|
1019 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
1020 | { |
---|
1021 | cout << "select_alternate[" << this << "]> package " << package << |
---|
1022 | " sv=" << specified_version << |
---|
1023 | " v=" << version << |
---|
1024 | " av[" << i << "]=" << name << endl; |
---|
1025 | } |
---|
1026 | */ |
---|
1027 | |
---|
1028 | if (i == 0) |
---|
1029 | { |
---|
1030 | CmtSystem::is_version_directory (name, v0, r0, p0); |
---|
1031 | selected_index = 0; |
---|
1032 | } |
---|
1033 | else |
---|
1034 | { |
---|
1035 | CmtSystem::is_version_directory (name, v, r, p); |
---|
1036 | |
---|
1037 | if (v > v0) |
---|
1038 | { |
---|
1039 | selected_index = i; |
---|
1040 | v0 = v; |
---|
1041 | r0 = r; |
---|
1042 | p0 = p; |
---|
1043 | } |
---|
1044 | else if (v == v0) |
---|
1045 | { |
---|
1046 | if (r > r0) |
---|
1047 | { |
---|
1048 | selected_index = i; |
---|
1049 | r0 = r; |
---|
1050 | p0 = p; |
---|
1051 | } |
---|
1052 | else if (r == r0) |
---|
1053 | { |
---|
1054 | if (p > p0) |
---|
1055 | { |
---|
1056 | selected_index = i; |
---|
1057 | p0 = p; |
---|
1058 | } |
---|
1059 | } |
---|
1060 | } |
---|
1061 | } |
---|
1062 | } |
---|
1063 | |
---|
1064 | if (selected_index >= 0) |
---|
1065 | { |
---|
1066 | if (CmtSystem::cd (alternate_paths[selected_index])) |
---|
1067 | { |
---|
1068 | version = alternate_versions[selected_index]; |
---|
1069 | if (reach_package (alternate_paths[selected_index])) |
---|
1070 | { |
---|
1071 | /* |
---|
1072 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
1073 | { |
---|
1074 | cout << "select_alternate2> package " << package << |
---|
1075 | " sv=" << specified_version << |
---|
1076 | " v=" << version << endl; |
---|
1077 | } |
---|
1078 | */ |
---|
1079 | |
---|
1080 | if (Cmt::debug) |
---|
1081 | { |
---|
1082 | cout << "select_alternate> " << alternate_paths[selected_index] << endl; |
---|
1083 | } |
---|
1084 | |
---|
1085 | change_path (alternate_paths[selected_index]); |
---|
1086 | return (true); |
---|
1087 | } |
---|
1088 | } |
---|
1089 | } |
---|
1090 | |
---|
1091 | return (false); |
---|
1092 | } |
---|
1093 | |
---|
1094 | //---------------------------------------------------------- |
---|
1095 | bool Use::need_new (const cmt_string& path, |
---|
1096 | const cmt_string& package, |
---|
1097 | const cmt_string& version, |
---|
1098 | Use** old_use) |
---|
1099 | { |
---|
1100 | Use* use; |
---|
1101 | |
---|
1102 | // find any possible existing version for that package |
---|
1103 | use = find (package); |
---|
1104 | if (old_use != 0) *old_use = use; |
---|
1105 | |
---|
1106 | if (use == 0) |
---|
1107 | { |
---|
1108 | // No version was not found at all |
---|
1109 | return (true); |
---|
1110 | } |
---|
1111 | |
---|
1112 | //cerr << "Use::need_new> (" << package << ") requested version=" << version << " vs existing=" << use->version << " (specified as " << use->specified_version << ")" << endl; |
---|
1113 | |
---|
1114 | // There was a version. We want to install a priority to the |
---|
1115 | // explicit specifications over wildcarded ones. |
---|
1116 | // So we say that : |
---|
1117 | // |
---|
1118 | // - if the existing spec. was specified as explicit, and the new |
---|
1119 | // request is wildcarded, then the new one is discarded. |
---|
1120 | // |
---|
1121 | // - if the existing spec. was specified as wildcarded and the new |
---|
1122 | // request is explicit, then the new one wins. |
---|
1123 | // |
---|
1124 | |
---|
1125 | if ((version.find ("*") != cmt_string::npos) && |
---|
1126 | (use->specified_version.find ("*") == cmt_string::npos)) |
---|
1127 | { |
---|
1128 | //cerr << " ... wild card loses against existing specific" << endl; |
---|
1129 | return (false); |
---|
1130 | } |
---|
1131 | |
---|
1132 | if ((version.find ("*") == cmt_string::npos) && |
---|
1133 | (use->specified_version.find ("*") != cmt_string::npos)) |
---|
1134 | { |
---|
1135 | //cerr << " ... specific should win against existing wildcarded" << endl; |
---|
1136 | return (true); |
---|
1137 | } |
---|
1138 | |
---|
1139 | if (version == use->specified_version) |
---|
1140 | { |
---|
1141 | if (path == use->specified_path) |
---|
1142 | { |
---|
1143 | // exactly same version and path! |
---|
1144 | return (false); |
---|
1145 | } |
---|
1146 | else |
---|
1147 | { |
---|
1148 | // same version but different path. |
---|
1149 | return (true); |
---|
1150 | } |
---|
1151 | } |
---|
1152 | |
---|
1153 | // at least one version has been found (different from what is requested), |
---|
1154 | // can we find the exact match ? |
---|
1155 | |
---|
1156 | use = find (package, version, path); |
---|
1157 | |
---|
1158 | if (use == 0) |
---|
1159 | { |
---|
1160 | // The required version was not found |
---|
1161 | return (true); |
---|
1162 | } |
---|
1163 | |
---|
1164 | if (path != use->specified_path) |
---|
1165 | { |
---|
1166 | // The required version was found but on another path |
---|
1167 | return (true); |
---|
1168 | } |
---|
1169 | |
---|
1170 | // The required version was exactly found |
---|
1171 | |
---|
1172 | return (false); |
---|
1173 | } |
---|
1174 | |
---|
1175 | //---------------------------------------------------------- |
---|
1176 | // |
---|
1177 | // Here the version which is provided here is the specified version. |
---|
1178 | // It may contain wild cards or it may be simply empty. |
---|
1179 | // |
---|
1180 | //---------------------------------------------------------- |
---|
1181 | Use* Use::create (const cmt_string& path, |
---|
1182 | const cmt_string& package, |
---|
1183 | const cmt_string& version, |
---|
1184 | const cmt_string& version_alias, |
---|
1185 | const cmt_string& path_alias) |
---|
1186 | { |
---|
1187 | static UseVector& AllUses = all_uses (); |
---|
1188 | |
---|
1189 | // We first look in the database. |
---|
1190 | for (int use_index = 0; use_index < AllUses.size (); use_index++) |
---|
1191 | { |
---|
1192 | Use& use = AllUses[use_index]; |
---|
1193 | |
---|
1194 | if (use.package == package) |
---|
1195 | { |
---|
1196 | if ((use.specified_version == version) && |
---|
1197 | (use.specified_path == path)) return (&use); |
---|
1198 | } |
---|
1199 | } |
---|
1200 | |
---|
1201 | // We now really create a new Use entry. |
---|
1202 | |
---|
1203 | Use& use_object = AllUses.add (); |
---|
1204 | use_object.set (package, version, path, version_alias, path_alias); |
---|
1205 | |
---|
1206 | return (&use_object); |
---|
1207 | } |
---|
1208 | |
---|
1209 | //---------------------------------------------------------- |
---|
1210 | // Add a use request into the database. |
---|
1211 | // |
---|
1212 | // o If a use request already exist in the database, |
---|
1213 | // check the version compatibility |
---|
1214 | // |
---|
1215 | //---------------------------------------------------------- |
---|
1216 | Use* Use::add (const cmt_string& path, |
---|
1217 | const cmt_string& package, |
---|
1218 | const cmt_string& version, |
---|
1219 | const cmt_string& version_alias, |
---|
1220 | const cmt_string& path_alias, |
---|
1221 | Use* context_use) |
---|
1222 | { |
---|
1223 | static UsePtrVector& Uses = uses (); |
---|
1224 | |
---|
1225 | bool do_need_new = false; |
---|
1226 | |
---|
1227 | Use* old_use = 0; |
---|
1228 | Use* use = 0; |
---|
1229 | |
---|
1230 | do_need_new = need_new (path, package, version, &old_use); |
---|
1231 | |
---|
1232 | /* |
---|
1233 | if (old_use != 0) |
---|
1234 | { |
---|
1235 | cout << "add> old_use " << old_use->package << |
---|
1236 | " " << old_use->version << |
---|
1237 | " " << old_use->path << |
---|
1238 | endl; |
---|
1239 | } |
---|
1240 | */ |
---|
1241 | |
---|
1242 | if (do_need_new) |
---|
1243 | { |
---|
1244 | use = create (path, package, version, version_alias, path_alias); |
---|
1245 | } |
---|
1246 | else |
---|
1247 | { |
---|
1248 | // Since we don't need a new Use, it means that old_use exists ! |
---|
1249 | use = old_use; |
---|
1250 | old_use = 0; |
---|
1251 | } |
---|
1252 | |
---|
1253 | if (package == CmtSystem::get_home_package ()) |
---|
1254 | { |
---|
1255 | return (use); |
---|
1256 | } |
---|
1257 | |
---|
1258 | if (package == CmtSystem::get_user_context_package ()) |
---|
1259 | { |
---|
1260 | return (use); |
---|
1261 | } |
---|
1262 | |
---|
1263 | cmt_string here = CmtSystem::pwd (); |
---|
1264 | |
---|
1265 | // |
---|
1266 | // Store the specified sub_uses. Some of them may become discarded |
---|
1267 | // later on. |
---|
1268 | // |
---|
1269 | if (context_use != 0) |
---|
1270 | { |
---|
1271 | context_use->sub_uses.push_back (use); |
---|
1272 | } |
---|
1273 | |
---|
1274 | bool found = use->move_to (); |
---|
1275 | |
---|
1276 | if (Cmt::debug) |
---|
1277 | { |
---|
1278 | cout << "add> use " << use->package << |
---|
1279 | " " << use->version << |
---|
1280 | " " << use->path << |
---|
1281 | " found=" << found << |
---|
1282 | endl; |
---|
1283 | } |
---|
1284 | |
---|
1285 | if (old_use != 0) |
---|
1286 | { |
---|
1287 | /* |
---|
1288 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
1289 | { |
---|
1290 | cout << "select? [" << use << "] vs old_use[" << old_use << "] " << old_use->package << |
---|
1291 | " " << old_use->version << |
---|
1292 | " " << old_use->path << |
---|
1293 | endl; |
---|
1294 | } |
---|
1295 | */ |
---|
1296 | |
---|
1297 | if (use != old_use) |
---|
1298 | { |
---|
1299 | // |
---|
1300 | // This new version is different from the old one |
---|
1301 | // thus we have to choose |
---|
1302 | // |
---|
1303 | VersionSelector& selector = VersionSelector::instance (); |
---|
1304 | Use* selected_use = selector.operate (old_use, use); |
---|
1305 | |
---|
1306 | // |
---|
1307 | // Some situations managed by selector.operate happen |
---|
1308 | // to fail discarding the rejected Use. |
---|
1309 | // |
---|
1310 | if (use != selected_use) |
---|
1311 | { |
---|
1312 | use->discard (); |
---|
1313 | } |
---|
1314 | |
---|
1315 | use = selected_use; |
---|
1316 | |
---|
1317 | found = use->move_to (); |
---|
1318 | } |
---|
1319 | } |
---|
1320 | |
---|
1321 | { |
---|
1322 | bool registered = false; |
---|
1323 | |
---|
1324 | // |
---|
1325 | // A pointer to this new object is also added or replaced. |
---|
1326 | // |
---|
1327 | for (int i = 0; i < Uses.size(); i++) |
---|
1328 | { |
---|
1329 | Use* u = Uses[i]; |
---|
1330 | |
---|
1331 | if (u->package == package) |
---|
1332 | { |
---|
1333 | registered = true; |
---|
1334 | Uses[i] = use; |
---|
1335 | break; |
---|
1336 | } |
---|
1337 | } |
---|
1338 | |
---|
1339 | if (!registered) Uses.push_back (use); |
---|
1340 | } |
---|
1341 | |
---|
1342 | // |
---|
1343 | // The following statement is no longer considered as useful. |
---|
1344 | // It is commented. But we should clarify why it was really needed! |
---|
1345 | // |
---|
1346 | //use->undiscard (); |
---|
1347 | |
---|
1348 | if (!found) |
---|
1349 | { |
---|
1350 | if (!Cmt::quiet) |
---|
1351 | { |
---|
1352 | cout << "# package " << use->package << |
---|
1353 | " " << use->version << " " << use->path << |
---|
1354 | " not found" << |
---|
1355 | endl; |
---|
1356 | } |
---|
1357 | CmtError::set (CmtError::package_not_found, use->package); |
---|
1358 | } |
---|
1359 | |
---|
1360 | if (found && !use->done && Cmt::recursive) |
---|
1361 | { |
---|
1362 | use->done = true; |
---|
1363 | |
---|
1364 | /* |
---|
1365 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
1366 | { |
---|
1367 | for (int use_index = 0; use_index < Uses.size (); use_index++) |
---|
1368 | { |
---|
1369 | Use* u = (Use*) Uses[use_index]; |
---|
1370 | cout << " use[" << use_index << "] p=" << u->package << |
---|
1371 | " v=" << u->version << |
---|
1372 | " discarded=" << u->discarded << |
---|
1373 | " selected=" << u->selected << |
---|
1374 | endl; |
---|
1375 | } |
---|
1376 | |
---|
1377 | cout << "parsing at " << CmtSystem::pwd () << endl; |
---|
1378 | } |
---|
1379 | */ |
---|
1380 | |
---|
1381 | /** |
---|
1382 | Get the previous set of effective use statements |
---|
1383 | that might have been obtained in a previous build. |
---|
1384 | This is stored in uses.log. Ignored if file does not exist. |
---|
1385 | */ |
---|
1386 | |
---|
1387 | //Cmt::parse_requirements ("uses.log", use); |
---|
1388 | |
---|
1389 | if (Cmt::debug) |
---|
1390 | { |
---|
1391 | cout << "Parsing requirements file at " << CmtSystem::pwd () << endl; |
---|
1392 | } |
---|
1393 | |
---|
1394 | Cmt::parse_requirements ("requirements", use); |
---|
1395 | } |
---|
1396 | |
---|
1397 | CmtSystem::cd (here); |
---|
1398 | |
---|
1399 | return (use); |
---|
1400 | } |
---|
1401 | |
---|
1402 | //---------------------------------------------------------- |
---|
1403 | void Use::discard () |
---|
1404 | { |
---|
1405 | discarded = true; |
---|
1406 | } |
---|
1407 | |
---|
1408 | //---------------------------------------------------------- |
---|
1409 | void Use::undiscard () |
---|
1410 | { |
---|
1411 | discarded = false; |
---|
1412 | } |
---|
1413 | |
---|
1414 | //---------------------------------------------------------- |
---|
1415 | void Use::select () |
---|
1416 | { |
---|
1417 | selected = true; |
---|
1418 | } |
---|
1419 | |
---|
1420 | //---------------------------------------------------------- |
---|
1421 | void Use::unselect () |
---|
1422 | { |
---|
1423 | selected = false; |
---|
1424 | } |
---|
1425 | |
---|
1426 | //---------------------------------------------------------- |
---|
1427 | bool Use::is_selected () |
---|
1428 | { |
---|
1429 | return (selected); |
---|
1430 | } |
---|
1431 | |
---|
1432 | //---------------------------------------------------------- |
---|
1433 | bool Use::is_client (const cmt_string& used_package, |
---|
1434 | const cmt_string& used_version) |
---|
1435 | { |
---|
1436 | if ((package == used_package) && |
---|
1437 | (version == used_version)) return (true); |
---|
1438 | |
---|
1439 | if (discarded) return (false); |
---|
1440 | |
---|
1441 | int i; |
---|
1442 | |
---|
1443 | for (i = 0; i < sub_uses.size (); i++) |
---|
1444 | { |
---|
1445 | Use* use = sub_uses[i]; |
---|
1446 | if (use == 0) continue; |
---|
1447 | |
---|
1448 | if ((use->package == used_package) && |
---|
1449 | (use->version == used_version)) return (true); |
---|
1450 | |
---|
1451 | /* |
---|
1452 | if (use->is_client (used_package, used_version)) |
---|
1453 | { |
---|
1454 | return (true); |
---|
1455 | } |
---|
1456 | */ |
---|
1457 | } |
---|
1458 | |
---|
1459 | return (false); |
---|
1460 | } |
---|
1461 | |
---|
1462 | //---------------------------------------------------------- |
---|
1463 | void Use::apply_global_patterns () |
---|
1464 | { |
---|
1465 | int i; |
---|
1466 | |
---|
1467 | Pattern::PatternVector& vector = Pattern::patterns (); |
---|
1468 | |
---|
1469 | for (i = 0; i < vector.size (); i++) |
---|
1470 | { |
---|
1471 | Pattern& p = vector[i]; |
---|
1472 | |
---|
1473 | if (p.global) |
---|
1474 | { |
---|
1475 | p.apply (this); |
---|
1476 | } |
---|
1477 | } |
---|
1478 | } |
---|
1479 | |
---|
1480 | //---------------------------------------------------------- |
---|
1481 | void Use::set_include_path (const cmt_string& new_path) |
---|
1482 | { |
---|
1483 | include_path = new_path; |
---|
1484 | } |
---|
1485 | |
---|
1486 | //---------------------------------------------------------- |
---|
1487 | void Use::fill_includes_macro (cmt_string& buffer) const |
---|
1488 | { |
---|
1489 | if (include_path == "") |
---|
1490 | { |
---|
1491 | buffer += "$(ppcmd)\"$("; |
---|
1492 | buffer += package; |
---|
1493 | buffer += "_root)"; |
---|
1494 | buffer += CmtSystem::file_separator (); |
---|
1495 | buffer += "src\" "; |
---|
1496 | } |
---|
1497 | else if (include_path != "none") |
---|
1498 | { |
---|
1499 | buffer += "$(ppcmd)\""; |
---|
1500 | buffer += include_path; |
---|
1501 | buffer += "\" "; |
---|
1502 | } |
---|
1503 | |
---|
1504 | for (int i = 0; i < includes.size (); i++) |
---|
1505 | { |
---|
1506 | Include& incl = includes[i]; |
---|
1507 | |
---|
1508 | buffer += "$(ppcmd)\""; |
---|
1509 | buffer += incl.name; |
---|
1510 | buffer += "\" "; |
---|
1511 | } |
---|
1512 | } |
---|
1513 | |
---|
1514 | //---------------------------------------------------------- |
---|
1515 | void Use::fill_macro (cmt_string& buffer, const cmt_string& suffix) const |
---|
1516 | { |
---|
1517 | buffer += " $("; |
---|
1518 | buffer += package; |
---|
1519 | buffer += "_"; |
---|
1520 | buffer += suffix; |
---|
1521 | buffer += ") "; |
---|
1522 | } |
---|
1523 | |
---|
1524 | /** |
---|
1525 | * This function tries to get the replacement of a Use when it has |
---|
1526 | * been discarded by a better match to version constraints. |
---|
1527 | */ |
---|
1528 | Use* Use::get_selected_version () |
---|
1529 | { |
---|
1530 | static Use::UsePtrVector& Uses = uses (); |
---|
1531 | |
---|
1532 | //cout << "get_selected_version for package " << package << endl; |
---|
1533 | |
---|
1534 | if (!discarded) return (this); |
---|
1535 | |
---|
1536 | for (int i = 0; i < Uses.size (); i++) |
---|
1537 | { |
---|
1538 | Use* u = Uses[i]; |
---|
1539 | if (u == 0) continue; |
---|
1540 | if (u->discarded) continue; |
---|
1541 | if (u->package == package) |
---|
1542 | { |
---|
1543 | //cout << " got a version" << endl; |
---|
1544 | return (u); |
---|
1545 | } |
---|
1546 | } |
---|
1547 | |
---|
1548 | return (0); |
---|
1549 | } |
---|
1550 | |
---|
1551 | //---------------------------------------------------------- |
---|
1552 | bool Use::get_paths (Use* to, UsePtrVector& list) |
---|
1553 | { |
---|
1554 | bool found = false; |
---|
1555 | bool cycle = false; |
---|
1556 | |
---|
1557 | static int level = 0; |
---|
1558 | static UsePtrVector stack; |
---|
1559 | |
---|
1560 | if (level == 0) |
---|
1561 | { |
---|
1562 | stack.clear (); |
---|
1563 | } |
---|
1564 | |
---|
1565 | for (int k = 0; k < stack.size (); k++) |
---|
1566 | { |
---|
1567 | Use* u = stack[k]; |
---|
1568 | if (u == this) return (false); |
---|
1569 | } |
---|
1570 | |
---|
1571 | if (stack.size () <= level) |
---|
1572 | { |
---|
1573 | stack.push_back (this); |
---|
1574 | } |
---|
1575 | else |
---|
1576 | { |
---|
1577 | stack[level] = this; |
---|
1578 | } |
---|
1579 | |
---|
1580 | // First figure out whether 'to' is used by 'this'. |
---|
1581 | |
---|
1582 | if (Cmt::debug) |
---|
1583 | { |
---|
1584 | cout << "Use::get_paths." << level << ">" << package << " list[" << list.size () << "]" << endl; |
---|
1585 | } |
---|
1586 | |
---|
1587 | if (this == to) |
---|
1588 | { |
---|
1589 | found = true; |
---|
1590 | } |
---|
1591 | else |
---|
1592 | { |
---|
1593 | for (int n = 0; n < sub_uses.size (); n++) |
---|
1594 | { |
---|
1595 | Use* use = sub_uses[n]; |
---|
1596 | |
---|
1597 | if (use == 0) continue; |
---|
1598 | |
---|
1599 | if (use->discarded) |
---|
1600 | { |
---|
1601 | Use* u; |
---|
1602 | |
---|
1603 | u = use->get_selected_version (); |
---|
1604 | if (u == 0) continue; |
---|
1605 | |
---|
1606 | use = u; |
---|
1607 | } |
---|
1608 | |
---|
1609 | cycle = false; |
---|
1610 | |
---|
1611 | // This use must not be already in the list (protection against cycles) |
---|
1612 | |
---|
1613 | for (int m = 0; m < list.size (); m++) |
---|
1614 | { |
---|
1615 | Use* u = list[m]; |
---|
1616 | if (u == use) |
---|
1617 | { |
---|
1618 | cycle = true; |
---|
1619 | break; |
---|
1620 | } |
---|
1621 | } |
---|
1622 | |
---|
1623 | if (cycle) |
---|
1624 | { |
---|
1625 | found = true; |
---|
1626 | continue; |
---|
1627 | } |
---|
1628 | |
---|
1629 | level++; |
---|
1630 | bool r = use->get_paths (to, list); |
---|
1631 | level--; |
---|
1632 | |
---|
1633 | if (r) |
---|
1634 | { |
---|
1635 | found = true; |
---|
1636 | } |
---|
1637 | } |
---|
1638 | } |
---|
1639 | |
---|
1640 | if (found) |
---|
1641 | { |
---|
1642 | cycle = false; |
---|
1643 | |
---|
1644 | for (int m = 0; m < list.size (); m++) |
---|
1645 | { |
---|
1646 | Use* u = list[m]; |
---|
1647 | if (u == this) |
---|
1648 | { |
---|
1649 | cycle = true; |
---|
1650 | break; |
---|
1651 | } |
---|
1652 | } |
---|
1653 | |
---|
1654 | if (!cycle) |
---|
1655 | { |
---|
1656 | list.push_back (this); |
---|
1657 | } |
---|
1658 | } |
---|
1659 | |
---|
1660 | return (found); |
---|
1661 | } |
---|
1662 | |
---|
1663 | //---------------------------------------------------------- |
---|
1664 | void Use::show_sub_uses (bool skip_discarded) |
---|
1665 | { |
---|
1666 | int n; |
---|
1667 | Use* use; |
---|
1668 | static int level = 0; |
---|
1669 | |
---|
1670 | if (skip_discarded && discarded) return; |
---|
1671 | |
---|
1672 | if (level > 0) |
---|
1673 | { |
---|
1674 | cout << "# "; |
---|
1675 | for (n = 0; n < (level-1); n++) cout << " "; |
---|
1676 | cout << "use " << package << " " << specified_version; |
---|
1677 | if (specified_path != "") cout << " " << specified_path; |
---|
1678 | if (version_alias != "") |
---|
1679 | { |
---|
1680 | cout << " | " << version_alias << " " << path_alias; |
---|
1681 | } |
---|
1682 | if (scope == ScopeUnspecified) cout << " unspecified"; |
---|
1683 | else if (scope == ScopePublic) cout << " public"; |
---|
1684 | else cout << " private"; |
---|
1685 | cout << endl; |
---|
1686 | } |
---|
1687 | |
---|
1688 | if (selected) return; |
---|
1689 | selected = true; |
---|
1690 | |
---|
1691 | level++; |
---|
1692 | for (n = 0; n < sub_uses.size (); n++) |
---|
1693 | { |
---|
1694 | use = sub_uses[n]; |
---|
1695 | if (use != 0) use->show_sub_uses (skip_discarded); |
---|
1696 | } |
---|
1697 | level--; |
---|
1698 | } |
---|
1699 | |
---|
1700 | //---------------------------------------------------------- |
---|
1701 | Use& Use::current () |
---|
1702 | { |
---|
1703 | static UseVector& AllUses = all_uses (); |
---|
1704 | |
---|
1705 | if (CurrentUse == 0) |
---|
1706 | { |
---|
1707 | Use& use_object = AllUses.add (); |
---|
1708 | CurrentUse = &use_object; |
---|
1709 | } |
---|
1710 | |
---|
1711 | return (*CurrentUse); |
---|
1712 | } |
---|
1713 | |
---|
1714 | //---------------------------------------------------------- |
---|
1715 | const Use& Use::const_current () |
---|
1716 | { |
---|
1717 | static UseVector& AllUses = all_uses (); |
---|
1718 | |
---|
1719 | if (CurrentUse == 0) |
---|
1720 | { |
---|
1721 | Use& use_object = AllUses.add (); |
---|
1722 | CurrentUse = &use_object; |
---|
1723 | } |
---|
1724 | |
---|
1725 | const Use& use = *CurrentUse; |
---|
1726 | |
---|
1727 | return (use); |
---|
1728 | } |
---|
1729 | |
---|
1730 | //---------------------------------------------------------- |
---|
1731 | Use::UseVector& Use::all_uses () |
---|
1732 | { |
---|
1733 | static Database& db = Database::instance (); |
---|
1734 | static UseVector& AllUses = db.all_uses (); |
---|
1735 | |
---|
1736 | return (AllUses); |
---|
1737 | } |
---|
1738 | |
---|
1739 | //---------------------------------------------------------- |
---|
1740 | Use::UsePtrVector& Use::uses () |
---|
1741 | { |
---|
1742 | static Database& db = Database::instance (); |
---|
1743 | static UsePtrVector& Uses = db.uses (); |
---|
1744 | |
---|
1745 | return (Uses); |
---|
1746 | } |
---|
1747 | |
---|
1748 | //---------------------------------------------------------- |
---|
1749 | VersionSelector& VersionSelector::instance () |
---|
1750 | { |
---|
1751 | static BestFitSelector best_fit; |
---|
1752 | static BestFitNoCheckSelector best_fit_no_check; |
---|
1753 | static FirstChoiceSelector first_choice; |
---|
1754 | static LastChoiceSelector last_choice; |
---|
1755 | static KeepAllSelector keep_all; |
---|
1756 | |
---|
1757 | switch (Cmt::current_strategy) |
---|
1758 | { |
---|
1759 | case BestFit: |
---|
1760 | return (best_fit); |
---|
1761 | case BestFitNoCheck: |
---|
1762 | return (best_fit_no_check); |
---|
1763 | case FirstChoice: |
---|
1764 | return (first_choice); |
---|
1765 | case LastChoice: |
---|
1766 | return (last_choice); |
---|
1767 | case KeepAll: |
---|
1768 | return (keep_all); |
---|
1769 | default: |
---|
1770 | return (best_fit); |
---|
1771 | } |
---|
1772 | } |
---|
1773 | |
---|
1774 | //---------------------------------------------------------- |
---|
1775 | // |
---|
1776 | // Check if the specified version is better than the |
---|
1777 | // current one. |
---|
1778 | // |
---|
1779 | //---------------------------------------------------------- |
---|
1780 | Use* BestFitSelector::operate (Use* ref_use, Use* new_use) |
---|
1781 | { |
---|
1782 | Use* selected = ref_use; |
---|
1783 | |
---|
1784 | int old_v = -1; |
---|
1785 | int old_r = -1; |
---|
1786 | int old_p = -1; |
---|
1787 | cmt_string old_pp; |
---|
1788 | |
---|
1789 | int new_v = -1; |
---|
1790 | int new_r = -1; |
---|
1791 | int new_p = -1; |
---|
1792 | cmt_string new_pp; |
---|
1793 | |
---|
1794 | int alias_v = -1; |
---|
1795 | int alias_r = -1; |
---|
1796 | int alias_p = -1; |
---|
1797 | cmt_string alias_pp; |
---|
1798 | |
---|
1799 | enum { no_alias, new_has_alias, ref_has_alias } has_alias = no_alias; |
---|
1800 | |
---|
1801 | CmtSystem::is_version_directory (ref_use->version, old_v, old_r, old_p); |
---|
1802 | old_pp = ref_use->path; |
---|
1803 | |
---|
1804 | CmtSystem::is_version_directory (new_use->version, new_v, new_r, new_p); |
---|
1805 | new_pp = new_use->path; |
---|
1806 | |
---|
1807 | if (new_use->version_alias != "") |
---|
1808 | { |
---|
1809 | has_alias = new_has_alias; |
---|
1810 | CmtSystem::is_version_directory (new_use->version_alias, |
---|
1811 | alias_v, alias_r, alias_p); |
---|
1812 | alias_pp = new_use->path_alias; |
---|
1813 | } |
---|
1814 | else if (ref_use->version_alias != "") |
---|
1815 | { |
---|
1816 | has_alias = ref_has_alias; |
---|
1817 | CmtSystem::is_version_directory (ref_use->version_alias, |
---|
1818 | alias_v, alias_r, alias_p); |
---|
1819 | alias_pp = ref_use->path_alias; |
---|
1820 | } |
---|
1821 | |
---|
1822 | ref_use->undiscard (); |
---|
1823 | new_use->undiscard (); |
---|
1824 | |
---|
1825 | if (new_v != old_v) |
---|
1826 | { |
---|
1827 | if (has_alias != no_alias) |
---|
1828 | { |
---|
1829 | if (has_alias == new_has_alias) |
---|
1830 | { |
---|
1831 | new_v = alias_v; |
---|
1832 | new_r = alias_r; |
---|
1833 | new_p = alias_p; |
---|
1834 | new_pp = alias_pp; |
---|
1835 | } |
---|
1836 | else if (has_alias == ref_has_alias) |
---|
1837 | { |
---|
1838 | old_v = alias_v; |
---|
1839 | old_r = alias_r; |
---|
1840 | old_p = alias_p; |
---|
1841 | old_pp = alias_pp; |
---|
1842 | } |
---|
1843 | } |
---|
1844 | } |
---|
1845 | |
---|
1846 | if (new_v != old_v) |
---|
1847 | { |
---|
1848 | if (!Cmt::quiet) |
---|
1849 | cout << "# Required version " << new_use->version << |
---|
1850 | " of package " << ref_use->package << |
---|
1851 | " incompatible with selected version " << ref_use->version << |
---|
1852 | endl; |
---|
1853 | |
---|
1854 | CmtError::set (CmtError::version_conflict, "BestFitSelector::operate> "); |
---|
1855 | |
---|
1856 | if (ref_use != new_use) new_use->discard (); |
---|
1857 | } |
---|
1858 | else if (new_r < old_r) |
---|
1859 | { |
---|
1860 | // |
---|
1861 | // we plan to discard new_use, but if it was specified as explicit |
---|
1862 | // and ref_use was wildcarded then new_use will win !! |
---|
1863 | // |
---|
1864 | // So then we'll have to understand where are the wild |
---|
1865 | // cards... If they are on v or r, then we consider them. |
---|
1866 | // |
---|
1867 | // |
---|
1868 | |
---|
1869 | |
---|
1870 | bool new_is_wildcarded = false; |
---|
1871 | bool ref_is_wildcarded = false; |
---|
1872 | |
---|
1873 | if (new_use->specified_version.find ("*") != cmt_string::npos) |
---|
1874 | { |
---|
1875 | int nv = -1; |
---|
1876 | int nr = -1; |
---|
1877 | int np = -1; |
---|
1878 | |
---|
1879 | CmtSystem::is_version_directory (new_use->specified_version, nv, nr, np); |
---|
1880 | if ((nv == -1) || (nr == -1)) new_is_wildcarded = true; |
---|
1881 | } |
---|
1882 | |
---|
1883 | if (ref_use->specified_version.find ("*") != cmt_string::npos) |
---|
1884 | { |
---|
1885 | int nv = -1; |
---|
1886 | int nr = -1; |
---|
1887 | int np = -1; |
---|
1888 | |
---|
1889 | CmtSystem::is_version_directory (ref_use->specified_version, nv, nr, np); |
---|
1890 | if ((nv == -1) || (nr == -1)) new_is_wildcarded = true; |
---|
1891 | } |
---|
1892 | |
---|
1893 | if (!ref_is_wildcarded && new_is_wildcarded) |
---|
1894 | { |
---|
1895 | if (ref_use != new_use) ref_use->discard (); |
---|
1896 | selected = new_use; |
---|
1897 | selected->done = false; // Will read the new requirements |
---|
1898 | } |
---|
1899 | else |
---|
1900 | { |
---|
1901 | if (!Cmt::quiet) |
---|
1902 | cout << "# keep release " << ref_use->version << |
---|
1903 | " of package " << ref_use->package << |
---|
1904 | " (ignore release " << new_use->version << ")" << |
---|
1905 | endl; |
---|
1906 | |
---|
1907 | if (ref_use != new_use) new_use->discard (); |
---|
1908 | } |
---|
1909 | } |
---|
1910 | else if (new_r > old_r) |
---|
1911 | { |
---|
1912 | if (!Cmt::quiet) |
---|
1913 | { |
---|
1914 | cout << "# Select release " << new_use->version << |
---|
1915 | " of package " << ref_use->package << |
---|
1916 | " instead of existing " << ref_use->version << |
---|
1917 | endl; |
---|
1918 | } |
---|
1919 | |
---|
1920 | if (ref_use != new_use) ref_use->discard (); |
---|
1921 | selected = new_use; |
---|
1922 | selected->done = false; // Will read the new requirements |
---|
1923 | } |
---|
1924 | else if (new_p > old_p) |
---|
1925 | { |
---|
1926 | if (!Cmt::quiet) |
---|
1927 | { |
---|
1928 | cout << "# Select patch " << new_use->version << |
---|
1929 | " of package " << ref_use->package << |
---|
1930 | " instead of existing " << ref_use->version << |
---|
1931 | endl; |
---|
1932 | } |
---|
1933 | |
---|
1934 | if (ref_use != new_use) ref_use->discard (); |
---|
1935 | selected = new_use; |
---|
1936 | selected->done = false; // Will read the new requirements |
---|
1937 | } |
---|
1938 | else if (new_pp != old_pp) // same version-r-p but from different path |
---|
1939 | { |
---|
1940 | if (ref_use != new_use) ref_use->discard (); |
---|
1941 | selected = new_use; |
---|
1942 | selected->done = false; // Will read the new requirements |
---|
1943 | } |
---|
1944 | |
---|
1945 | return (selected); |
---|
1946 | } |
---|
1947 | |
---|
1948 | //---------------------------------------------------------- |
---|
1949 | // |
---|
1950 | // Check if the specified version is better than the |
---|
1951 | // current one. We don't check major ids incompatibilities |
---|
1952 | // |
---|
1953 | //---------------------------------------------------------- |
---|
1954 | Use* BestFitNoCheckSelector::operate (Use* ref_use, Use* new_use) |
---|
1955 | { |
---|
1956 | Use* selected = ref_use; |
---|
1957 | |
---|
1958 | int old_v = -1; |
---|
1959 | int old_r = -1; |
---|
1960 | int old_p = -1; |
---|
1961 | cmt_string old_pp; |
---|
1962 | |
---|
1963 | int new_v = -1; |
---|
1964 | int new_r = -1; |
---|
1965 | int new_p = -1; |
---|
1966 | cmt_string new_pp; |
---|
1967 | |
---|
1968 | int alias_v = -1; |
---|
1969 | int alias_r = -1; |
---|
1970 | int alias_p = -1; |
---|
1971 | cmt_string alias_pp; |
---|
1972 | |
---|
1973 | enum { no_alias, new_has_alias, ref_has_alias } has_alias = no_alias; |
---|
1974 | |
---|
1975 | CmtSystem::is_version_directory (ref_use->version, old_v, old_r, old_p); |
---|
1976 | old_pp = ref_use->path; |
---|
1977 | |
---|
1978 | CmtSystem::is_version_directory (new_use->version, new_v, new_r, new_p); |
---|
1979 | new_pp = new_use->path; |
---|
1980 | |
---|
1981 | if (new_use->version_alias != "") |
---|
1982 | { |
---|
1983 | has_alias = new_has_alias; |
---|
1984 | CmtSystem::is_version_directory (new_use->version_alias, |
---|
1985 | alias_v, alias_r, alias_p); |
---|
1986 | alias_pp = new_use->path_alias; |
---|
1987 | } |
---|
1988 | else if (ref_use->version_alias != "") |
---|
1989 | { |
---|
1990 | has_alias = ref_has_alias; |
---|
1991 | CmtSystem::is_version_directory (ref_use->version_alias, |
---|
1992 | alias_v, alias_r, alias_p); |
---|
1993 | alias_pp = ref_use->path_alias; |
---|
1994 | } |
---|
1995 | |
---|
1996 | ref_use->undiscard (); |
---|
1997 | new_use->undiscard (); |
---|
1998 | |
---|
1999 | if (new_v != old_v) |
---|
2000 | { |
---|
2001 | if (has_alias != no_alias) |
---|
2002 | { |
---|
2003 | if (has_alias == new_has_alias) |
---|
2004 | { |
---|
2005 | new_v = alias_v; |
---|
2006 | new_r = alias_r; |
---|
2007 | new_p = alias_p; |
---|
2008 | new_pp = alias_pp; |
---|
2009 | } |
---|
2010 | else if (has_alias == ref_has_alias) |
---|
2011 | { |
---|
2012 | old_v = alias_v; |
---|
2013 | old_r = alias_r; |
---|
2014 | old_p = alias_p; |
---|
2015 | old_pp = alias_pp; |
---|
2016 | } |
---|
2017 | } |
---|
2018 | } |
---|
2019 | |
---|
2020 | if (new_v < old_v) |
---|
2021 | { |
---|
2022 | if (!Cmt::quiet) |
---|
2023 | { |
---|
2024 | cout << "# Keep version " << ref_use->version << |
---|
2025 | " of package " << ref_use->package << |
---|
2026 | " (ignore version " << new_use->version << ")" << |
---|
2027 | endl; |
---|
2028 | } |
---|
2029 | |
---|
2030 | if (ref_use != new_use) new_use->discard (); |
---|
2031 | } |
---|
2032 | else if (new_v > old_v) |
---|
2033 | { |
---|
2034 | if (!Cmt::quiet) |
---|
2035 | { |
---|
2036 | cout << "# Select version " << new_use->version << |
---|
2037 | " of package " << ref_use->package << |
---|
2038 | " instead of existing " << ref_use->version << |
---|
2039 | endl; |
---|
2040 | } |
---|
2041 | |
---|
2042 | if (ref_use != new_use) ref_use->discard (); |
---|
2043 | selected = new_use; |
---|
2044 | selected->done = false; // Will read the new requirements |
---|
2045 | } |
---|
2046 | else if (new_r < old_r) |
---|
2047 | { |
---|
2048 | if (!Cmt::quiet) |
---|
2049 | { |
---|
2050 | cout << "# keep release " << ref_use->version << |
---|
2051 | " of package " << ref_use->package << |
---|
2052 | " (ignore release " << new_use->version << ")" << |
---|
2053 | endl; |
---|
2054 | } |
---|
2055 | |
---|
2056 | if (ref_use != new_use) new_use->discard (); |
---|
2057 | } |
---|
2058 | else if (new_r > old_r) |
---|
2059 | { |
---|
2060 | if (!Cmt::quiet) |
---|
2061 | { |
---|
2062 | cout << "# Select release " << new_use->version << |
---|
2063 | " of package " << ref_use->package << |
---|
2064 | " instead of existing " << ref_use->version << |
---|
2065 | endl; |
---|
2066 | } |
---|
2067 | |
---|
2068 | if (ref_use != new_use) ref_use->discard (); |
---|
2069 | selected = new_use; |
---|
2070 | selected->done = false; // Will read the new requirements |
---|
2071 | } |
---|
2072 | else if (new_p > old_p) |
---|
2073 | { |
---|
2074 | if (!Cmt::quiet) |
---|
2075 | { |
---|
2076 | cout << "# Select patch " << new_use->version << |
---|
2077 | " of package " << ref_use->package << |
---|
2078 | " instead of existing " << ref_use->version << |
---|
2079 | endl; |
---|
2080 | } |
---|
2081 | |
---|
2082 | if (ref_use != new_use) ref_use->discard (); |
---|
2083 | selected = new_use; |
---|
2084 | selected->done = false; // Will read the new requirements |
---|
2085 | } |
---|
2086 | else if (new_pp != old_pp) // same version-r-p but from different path |
---|
2087 | { |
---|
2088 | if (ref_use != new_use) ref_use->discard (); |
---|
2089 | selected = new_use; |
---|
2090 | selected->done = false; // Will read the new requirements |
---|
2091 | } |
---|
2092 | |
---|
2093 | return (selected); |
---|
2094 | } |
---|
2095 | |
---|
2096 | //---------------------------------------------------------- |
---|
2097 | Use* FirstChoiceSelector::operate (Use* ref_use, Use* new_use) |
---|
2098 | { |
---|
2099 | ref_use->undiscard (); |
---|
2100 | new_use->undiscard (); |
---|
2101 | |
---|
2102 | new_use->done = false; // Will read the new requirements |
---|
2103 | if (ref_use != new_use) new_use->discard (); |
---|
2104 | return (ref_use); |
---|
2105 | } |
---|
2106 | |
---|
2107 | //---------------------------------------------------------- |
---|
2108 | Use* LastChoiceSelector::operate (Use* ref_use, Use* new_use) |
---|
2109 | { |
---|
2110 | ref_use->undiscard (); |
---|
2111 | new_use->undiscard (); |
---|
2112 | |
---|
2113 | new_use->done = false; // Will read the new requirements |
---|
2114 | if (ref_use != new_use) ref_use->discard (); |
---|
2115 | return (new_use); |
---|
2116 | } |
---|
2117 | |
---|
2118 | //---------------------------------------------------------- |
---|
2119 | Use* KeepAllSelector::operate (Use* ref_use, Use* new_use) |
---|
2120 | { |
---|
2121 | ref_use->undiscard (); |
---|
2122 | new_use->undiscard (); |
---|
2123 | |
---|
2124 | new_use->done = false; // Will read the new requirements |
---|
2125 | return (new_use); |
---|
2126 | } |
---|