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 | #include <ctype.h> |
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5 | |
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6 | #include "cmt_pattern.h" |
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7 | #include "cmt_use.h" |
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8 | #include "cmt_database.h" |
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9 | #include "cmt_error.h" |
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10 | |
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11 | //---------------------------------------------------------- |
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12 | // |
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13 | // Operations on Patterns |
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14 | // |
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15 | //---------------------------------------------------------- |
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16 | |
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17 | //---------------------------------------------------------- |
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18 | void Pattern::action (const CmtSystem::cmt_string_vector& words, Use* use) |
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19 | //---------------------------------------------------------- |
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20 | { |
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21 | bool global = false; |
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22 | int start_index; |
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23 | |
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24 | if (words.size () < 2) return; |
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25 | |
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26 | // |
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27 | // expected syntax is: |
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28 | // |
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29 | // pattern [-global] pattern-name any-cmt-statement |
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30 | // |
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31 | // where any-cmt-statement may contain "templates" |
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32 | // |
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33 | // <package> |
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34 | // <PACKAGE> |
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35 | // <version> |
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36 | // <path> |
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37 | // |
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38 | |
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39 | cmt_string& option = words[1]; |
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40 | |
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41 | if (option == "-global") |
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42 | { |
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43 | global = true; |
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44 | start_index = 2; |
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45 | } |
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46 | else |
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47 | { |
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48 | start_index = 1; |
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49 | } |
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50 | |
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51 | cmt_string& name = words[start_index]; |
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52 | |
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53 | start_index++; |
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54 | |
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55 | add (name, words, start_index, global, use); |
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56 | |
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57 | if (CmtSystem::testenv ("CMTTESTPATTERN")) |
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58 | { |
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59 | cout << "Pattern::action> add " << name << endl; |
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60 | } |
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61 | } |
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62 | |
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63 | //---------------------------------------------------------- |
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64 | Pattern* Pattern::find (const cmt_string& name) |
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65 | //---------------------------------------------------------- |
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66 | // |
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67 | // Patterns are stored with two keys : <name> and <use> |
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68 | // |
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69 | // thus search must done against these two keys. |
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70 | // |
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71 | //---------------------------------------------------------- |
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72 | { |
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73 | Use::UsePtrVector& uses = Use::uses (); |
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74 | |
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75 | Use* use = &(Use::current ()); |
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76 | |
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77 | Pattern* p; |
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78 | |
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79 | p = find (name, use); |
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80 | if (p != 0) return (p); |
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81 | |
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82 | for (int i = 0; i < uses.size (); i++) |
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83 | { |
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84 | use = uses[i]; |
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85 | p = find (name, use); |
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86 | if (p != 0) return (p); |
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87 | } |
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88 | |
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89 | return (0); |
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90 | } |
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91 | |
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92 | //---------------------------------------------------------- |
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93 | Pattern* Pattern::find (const cmt_string& name, Use* use) |
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94 | //---------------------------------------------------------- |
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95 | { |
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96 | static PatternVector& Patterns = patterns (); |
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97 | |
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98 | int pattern_index; |
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99 | Pattern* pattern; |
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100 | |
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101 | if (Patterns.size () == 0) return (0); |
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102 | |
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103 | for (pattern_index = 0; pattern_index < Patterns.size (); pattern_index++) |
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104 | { |
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105 | pattern = &(Patterns[pattern_index]); |
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106 | |
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107 | if ((pattern->name == name) && (pattern->use) == use) |
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108 | { |
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109 | return (pattern); |
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110 | } |
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111 | } |
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112 | |
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113 | return (0); |
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114 | } |
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115 | |
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116 | //---------------------------------------------------------- |
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117 | void Pattern::add (const cmt_string& name, |
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118 | const CmtSystem::cmt_string_vector& words, |
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119 | int start_index, |
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120 | bool global, |
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121 | Use* use) |
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122 | //---------------------------------------------------------- |
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123 | { |
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124 | static PatternVector& Patterns = patterns (); |
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125 | |
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126 | Pattern* pattern; |
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127 | |
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128 | pattern = find (name, use); |
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129 | |
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130 | if (pattern == 0) |
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131 | { |
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132 | // No pattern for the pair <name, use> exist yet. |
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133 | // create one. |
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134 | Pattern& p = Patterns.add (); |
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135 | |
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136 | p.clear (); |
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137 | |
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138 | p.name = name; |
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139 | p.use = use; |
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140 | |
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141 | pattern = &p; |
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142 | } |
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143 | else |
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144 | { |
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145 | pattern->clear (); |
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146 | } |
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147 | |
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148 | // |
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149 | // Install the cmt-statement as a vector of words. |
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150 | // |
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151 | for (int i = start_index; i < words.size (); i++) |
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152 | { |
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153 | cmt_string& s = pattern->words.add (); |
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154 | s = words[i]; |
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155 | } |
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156 | |
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157 | pattern->global = global; |
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158 | } |
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159 | |
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160 | //---------------------------------------------------------- |
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161 | int Pattern::pattern_number () |
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162 | //---------------------------------------------------------- |
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163 | // Get the number of patterns |
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164 | //---------------------------------------------------------- |
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165 | { |
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166 | static PatternVector& Patterns = patterns (); |
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167 | |
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168 | return (Patterns.size ()); |
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169 | } |
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170 | |
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171 | //---------------------------------------------------------- |
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172 | Pattern& Pattern::pattern (int index) |
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173 | //---------------------------------------------------------- |
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174 | // Get the index'th pattern in the database |
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175 | //---------------------------------------------------------- |
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176 | { |
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177 | static PatternVector& Patterns = patterns (); |
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178 | |
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179 | return (Patterns[index]); |
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180 | } |
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181 | |
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182 | //---------------------------------------------------------- |
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183 | void Pattern::clear_all () |
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184 | //---------------------------------------------------------- |
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185 | { |
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186 | static PatternVector& Patterns = patterns (); |
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187 | |
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188 | for (int i = 0; i < Patterns.size (); i++) |
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189 | { |
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190 | Pattern& p = Patterns[i]; |
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191 | p.clear (); |
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192 | } |
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193 | |
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194 | Patterns.clear (); |
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195 | } |
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196 | |
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197 | //---------------------------------------------------------- |
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198 | Pattern::PatternVector& Pattern::patterns () |
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199 | //---------------------------------------------------------- |
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200 | { |
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201 | static Database& db = Database::instance (); |
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202 | static PatternVector& Patterns = db.patterns (); |
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203 | |
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204 | return (Patterns); |
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205 | } |
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206 | |
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207 | //---------------------------------------------------------- |
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208 | void Pattern::apply_all_globals () |
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209 | //---------------------------------------------------------- |
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210 | // Applies all global patterns to all uses |
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211 | //---------------------------------------------------------- |
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212 | { |
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213 | static PatternVector& Patterns = patterns (); |
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214 | |
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215 | int i; |
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216 | |
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217 | for (i = 0; i < Patterns.size (); i++) |
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218 | { |
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219 | Pattern& p = Patterns[i]; |
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220 | |
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221 | if (p.global) p.apply (); |
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222 | } |
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223 | } |
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224 | |
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225 | //---------------------------------------------------------- |
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226 | void Pattern::show_all () |
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227 | //---------------------------------------------------------- |
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228 | // this is the cmt show patterns command |
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229 | // It just shows the pattern declarations. |
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230 | //---------------------------------------------------------- |
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231 | { |
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232 | static PatternVector& Patterns = patterns (); |
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233 | |
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234 | int i; |
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235 | |
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236 | for (i = 0; i < Patterns.size (); i++) |
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237 | { |
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238 | Pattern& p = Patterns[i]; |
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239 | |
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240 | cout << "# " << p.use->package << " " << p.use->version << " defines "; |
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241 | if (p.global) cout << "global "; |
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242 | cout << "pattern " << p.name << " as ["; |
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243 | |
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244 | for (int wi = 0; wi < p.words.size (); wi++) |
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245 | { |
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246 | const cmt_string& s = p.words[wi]; |
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247 | if (wi > 0) cout << " "; |
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248 | cout << s; |
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249 | } |
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250 | |
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251 | cout << "]" << endl; |
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252 | } |
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253 | } |
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254 | |
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255 | //---------------------------------------------------------- |
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256 | void Pattern::show_all_names () |
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257 | //---------------------------------------------------------- |
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258 | { |
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259 | static PatternVector& Patterns = patterns (); |
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260 | |
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261 | if (Patterns.size () > 0) |
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262 | { |
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263 | for (int i = 0; i < Patterns.size (); i++) |
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264 | { |
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265 | Pattern& p = Patterns[i]; |
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266 | |
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267 | cout << p.name << " "; |
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268 | } |
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269 | |
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270 | cout << endl; |
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271 | } |
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272 | } |
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273 | |
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274 | //---------------------------------------------------------- |
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275 | void Pattern::show (const cmt_string& name) |
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276 | //---------------------------------------------------------- |
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277 | // This is the cmt show pattern <name> command |
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278 | // It shows both the pattern definition(s) and the places |
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279 | // where it is explicitly applied. |
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280 | //---------------------------------------------------------- |
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281 | { |
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282 | static PatternVector& Patterns = patterns (); |
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283 | |
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284 | int i; |
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285 | int j; |
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286 | |
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287 | bool found = false; |
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288 | |
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289 | // First show the definitions. |
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290 | for (i = 0; i < Patterns.size (); i++) |
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291 | { |
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292 | Pattern& p = Patterns[i]; |
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293 | |
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294 | if (p.name == name) |
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295 | { |
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296 | found = true; |
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297 | |
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298 | cout << "# " << p.use->package << " " << p.use->version << " defines "; |
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299 | if (p.global) cout << "global "; |
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300 | cout << "pattern " << p.name << " as ["; |
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301 | |
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302 | for (int wi = 0; wi < p.words.size (); wi++) |
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303 | { |
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304 | const cmt_string& s = p.words[wi]; |
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305 | if (wi > 0) cout << " "; |
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306 | cout << s; |
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307 | } |
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308 | |
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309 | cout << "]" << endl; |
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310 | } |
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311 | } |
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312 | |
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313 | if (!found) |
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314 | { |
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315 | CmtError::set (CmtError::pattern_not_found, name); |
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316 | return; |
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317 | } |
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318 | |
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319 | // |
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320 | // Then show the packages which explicitly apply the pattern. |
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321 | // |
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322 | Use* use; |
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323 | ApplyPattern* apply_pattern = 0; |
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324 | |
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325 | Use::UsePtrVector& uses = Use::uses (); |
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326 | |
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327 | for (i = 0; i < uses.size (); i++) |
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328 | { |
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329 | use = uses[i]; |
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330 | for (j = 0; j < use->apply_patterns.size (); j++) |
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331 | { |
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332 | apply_pattern = &(use->apply_patterns[j]); |
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333 | |
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334 | if (apply_pattern->name == name) |
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335 | { |
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336 | cout << "# " << use->package << " " << use->version << " applies pattern " << name; |
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337 | cout << " => "; |
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338 | apply_pattern->show (); |
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339 | } |
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340 | } |
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341 | } |
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342 | |
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343 | use = &(Use::current ()); |
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344 | for (j = 0; j < use->apply_patterns.size (); j++) |
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345 | { |
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346 | apply_pattern = &(use->apply_patterns[j]); |
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347 | |
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348 | if (apply_pattern->name == name) |
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349 | { |
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350 | cout << "# " << use->package << " " << use->version << " applies pattern " << name; |
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351 | cout << " => "; |
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352 | apply_pattern->show (); |
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353 | } |
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354 | } |
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355 | } |
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356 | |
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357 | //---------------------------------------------------------- |
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358 | Pattern::Pattern () |
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359 | //---------------------------------------------------------- |
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360 | { |
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361 | } |
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362 | |
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363 | //---------------------------------------------------------- |
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364 | Pattern::~Pattern () |
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365 | //---------------------------------------------------------- |
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366 | { |
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367 | } |
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368 | |
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369 | //---------------------------------------------------------- |
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370 | void Pattern::clear () |
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371 | //---------------------------------------------------------- |
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372 | { |
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373 | global = false; |
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374 | name = ""; |
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375 | use = 0; |
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376 | words.clear (); |
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377 | } |
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378 | |
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379 | //---------------------------------------------------------- |
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380 | void Pattern::apply () const |
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381 | //---------------------------------------------------------- |
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382 | // Applies a pattern to all uses except CMT itself. |
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383 | //---------------------------------------------------------- |
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384 | { |
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385 | Use::UsePtrVector& uses = Use::uses (); |
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386 | |
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387 | Use* current = &(Use::current()); |
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388 | |
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389 | Use::UsePtrVector list; |
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390 | |
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391 | if (current != use) |
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392 | { |
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393 | if (!current->get_paths (use, list)) return; |
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394 | } |
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395 | else |
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396 | { |
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397 | list.push_back (current); |
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398 | } |
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399 | |
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400 | for (int i = 0; i < list.size (); i++) |
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401 | { |
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402 | Use* u = list[i]; |
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403 | if ((u->package != "CMT") && |
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404 | (IgnorePattern::find (name, u) == 0)) apply (u); |
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405 | } |
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406 | } |
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407 | |
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408 | //---------------------------------------------------------- |
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409 | void Pattern::apply (Use* context_use) const |
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410 | //---------------------------------------------------------- |
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411 | { |
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412 | static Template::TemplateVector dummy_templates; |
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413 | |
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414 | apply (context_use, dummy_templates); |
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415 | } |
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416 | |
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417 | //---------------------------------------------------------- |
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418 | void Pattern::apply (Use* context_use, |
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419 | const Template::TemplateVector& templates) const |
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420 | //---------------------------------------------------------- |
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421 | // Applies a pattern to one particular use. |
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422 | //---------------------------------------------------------- |
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423 | { |
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424 | cmt_string line; |
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425 | |
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426 | expand (context_use, templates, line); |
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427 | |
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428 | if (line != "") |
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429 | { |
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430 | Cmt::parse_requirements_text (line, "", context_use); |
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431 | } |
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432 | } |
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433 | |
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434 | //---------------------------------------------------------- |
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435 | void Pattern::expand (Use* context_use, |
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436 | const Template::TemplateVector& templates, |
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437 | cmt_string& line) const |
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438 | //---------------------------------------------------------- |
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439 | { |
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440 | line = ""; |
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441 | |
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442 | // First re-create the cmt statement as one line. |
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443 | for (int i = 0; i < words.size (); i++) |
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444 | { |
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445 | const cmt_string& w = words[i]; |
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446 | |
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447 | if (i > 0) line += " "; |
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448 | |
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449 | if ((w == "\n") | (w == ";")) |
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450 | { |
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451 | line += "\n"; |
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452 | } |
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453 | else |
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454 | { |
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455 | line += "\""; |
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456 | line += w; |
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457 | line += "\""; |
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458 | } |
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459 | } |
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460 | |
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461 | if (context_use == 0) context_use = &(Use::current ()); |
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462 | |
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463 | if (line != "") |
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464 | { |
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465 | // Substitute templates from the cmt statement |
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466 | line.replace_all ("<package>", context_use->package.c_str ()); |
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467 | line.replace_all ("<PACKAGE>", context_use->prefix.c_str ()); |
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468 | line.replace_all ("<version>", context_use->version.c_str ()); |
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469 | line.replace_all ("<path>", context_use->real_path.c_str ()); |
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470 | |
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471 | for (int j = 0; j < templates.size (); j++) |
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472 | { |
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473 | Template& t = templates[j]; |
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474 | cmt_string s; |
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475 | s = "<"; |
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476 | s += t.name; |
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477 | s += ">"; |
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478 | line.replace_all (s, t.value); |
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479 | } |
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480 | |
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481 | for (;;) |
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482 | { |
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483 | int begin = line.find ("<"); |
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484 | if (begin == cmt_string::npos) break; |
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485 | int end = line.find (begin, ">"); |
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486 | if (end == cmt_string::npos) break; |
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487 | // Do not erase XML constructs |
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488 | if (line[end-1] == '/') break; |
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489 | line.erase (begin, end - begin + 1); |
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490 | } |
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491 | } |
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492 | } |
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493 | |
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494 | //---------------------------------------------------------- |
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495 | // |
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496 | // Operations on ApplyPatterns |
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497 | // |
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498 | //---------------------------------------------------------- |
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499 | |
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500 | //---------------------------------------------------------- |
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501 | void ApplyPattern::action (const CmtSystem::cmt_string_vector& words, Use* use) |
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502 | //---------------------------------------------------------- |
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503 | { |
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504 | // |
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505 | // Expected syntax is |
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506 | // |
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507 | // apply_pattern <pattern-name> [ <template>=<value> ... ] |
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508 | // |
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509 | |
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510 | if (words.size () < 2) return; |
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511 | |
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512 | if (use == 0) use = &(Use::current()); |
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513 | |
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514 | cmt_string& name = words[1]; |
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515 | |
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516 | ApplyPattern* apply_pattern = add (name, use); |
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517 | |
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518 | for (int i = 2; i < words.size (); i++) |
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519 | { |
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520 | cmt_string s = words[i]; |
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521 | int pos = s.find ("="); |
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522 | if (pos == cmt_string::npos) break; |
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523 | if (pos == 0) break; |
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524 | |
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525 | Template& t = apply_pattern->replacements.add (); |
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526 | |
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527 | s.substr (0, pos, t.name); |
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528 | s.substr (pos + 1, t.value); |
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529 | |
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530 | int size = t.value.size (); |
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531 | |
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532 | if (size >= 2) |
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533 | { |
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534 | if (((t.value[0] == '"') && (t.value[size - 1] == '"')) || |
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535 | ((t.value[0] == '\'') && (t.value[size - 1] == '\''))) |
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536 | { |
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537 | t.value.erase (size - 1); |
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538 | t.value.erase (0, 1); |
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539 | } |
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540 | } |
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541 | } |
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542 | |
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543 | apply_pattern->apply (); |
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544 | } |
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545 | |
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546 | //---------------------------------------------------------- |
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547 | ApplyPattern* ApplyPattern::add (const cmt_string& name, Use* use) |
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548 | //---------------------------------------------------------- |
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549 | { |
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550 | ApplyPattern& a = use->apply_patterns.add (); |
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551 | |
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552 | a.name = name; |
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553 | a.use = use; |
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554 | |
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555 | return (&a); |
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556 | } |
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557 | |
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558 | //---------------------------------------------------------- |
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559 | ApplyPattern::ApplyPattern () |
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560 | //---------------------------------------------------------- |
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561 | { |
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562 | } |
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563 | |
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564 | //---------------------------------------------------------- |
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565 | ApplyPattern::~ApplyPattern () |
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566 | //---------------------------------------------------------- |
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567 | { |
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568 | } |
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569 | |
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570 | //---------------------------------------------------------- |
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571 | void ApplyPattern::show () const |
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572 | //---------------------------------------------------------- |
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573 | { |
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574 | cmt_string line; |
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575 | |
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576 | line = ""; |
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577 | Pattern* p = Pattern::find (name); |
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578 | if (p == 0) return; |
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579 | |
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580 | Use* u = use; |
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581 | if (u == 0) u = &(Use::current ()); |
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582 | |
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583 | p->expand (u, replacements, line); |
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584 | |
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585 | if (line != "") |
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586 | { |
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587 | cout << "[" << line << "]" << endl; |
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588 | } |
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589 | } |
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590 | |
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591 | //---------------------------------------------------------- |
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592 | void ApplyPattern::apply () const |
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593 | //---------------------------------------------------------- |
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594 | { |
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595 | cmt_string line; |
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596 | |
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597 | if (CmtSystem::testenv ("CMTTESTPATTERN")) |
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598 | { |
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599 | cout << "ApplyPattern::apply> " << name << endl; |
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600 | } |
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601 | |
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602 | line = ""; |
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603 | Pattern* p = Pattern::find (name); |
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604 | if (p == 0) |
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605 | { |
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606 | if (CmtSystem::testenv ("CMTTESTPATTERN")) |
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607 | { |
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608 | cout << "ApplyPattern::apply> " << name << " not found" << endl; |
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609 | } |
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610 | |
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611 | return; |
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612 | } |
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613 | |
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614 | if (p->global) return; |
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615 | |
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616 | Use* u = use; |
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617 | if (u == 0) u = &(Use::current ()); |
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618 | |
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619 | p->apply (u, replacements); |
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620 | } |
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621 | |
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622 | |
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623 | |
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624 | //---------------------------------------------------------- |
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625 | /* */ |
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626 | /* Operations on IgnorePatterns */ |
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627 | /* */ |
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628 | //---------------------------------------------------------- |
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629 | |
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630 | //---------------------------------------------------------- |
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631 | void IgnorePattern::action (const CmtSystem::cmt_string_vector& words, Use* use) |
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632 | //---------------------------------------------------------- |
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633 | { |
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634 | // |
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635 | // Expected syntax is |
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636 | // |
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637 | // ignore_pattern <pattern-name> |
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638 | // |
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639 | |
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640 | if (words.size () < 2) return; |
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641 | |
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642 | if (use == 0) use = &(Use::current()); |
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643 | |
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644 | cmt_string& name = words[1]; |
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645 | |
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646 | add (name, use); |
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647 | } |
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648 | |
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649 | //---------------------------------------------------------- |
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650 | IgnorePattern* IgnorePattern::find (const cmt_string& name, Use* use) |
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651 | //---------------------------------------------------------- |
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652 | { |
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653 | int ignore_pattern_index; |
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654 | |
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655 | if (use == 0) use = &(Use::current()); |
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656 | |
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657 | if (use->ignore_patterns.size () == 0) return (0); |
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658 | |
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659 | for (ignore_pattern_index = 0; |
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660 | ignore_pattern_index < use->ignore_patterns.size (); |
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661 | ignore_pattern_index++) |
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662 | { |
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663 | IgnorePattern& ignore_pattern = use->ignore_patterns[ignore_pattern_index]; |
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664 | |
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665 | if (ignore_pattern.name == name) |
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666 | { |
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667 | return (&ignore_pattern); |
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668 | } |
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669 | } |
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670 | |
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671 | return (0); |
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672 | } |
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673 | |
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674 | //---------------------------------------------------------- |
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675 | void IgnorePattern::add (const cmt_string& name, Use* use) |
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676 | //---------------------------------------------------------- |
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677 | { |
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678 | IgnorePattern* ignore_pattern; |
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679 | |
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680 | ignore_pattern = find (name, use); |
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681 | |
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682 | if (ignore_pattern == 0) |
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683 | { |
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684 | IgnorePattern& a = use->ignore_patterns.add (); |
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685 | |
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686 | a.name = name; |
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687 | a.use = use; |
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688 | } |
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689 | } |
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690 | |
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691 | //---------------------------------------------------------- |
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692 | IgnorePattern::IgnorePattern () |
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693 | //---------------------------------------------------------- |
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694 | { |
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695 | } |
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696 | |
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697 | //---------------------------------------------------------- |
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698 | IgnorePattern::~IgnorePattern () |
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699 | //---------------------------------------------------------- |
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700 | { |
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701 | } |
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702 | |
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703 | //---------------------------------------------------------- |
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704 | void IgnorePattern::show () const |
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705 | //---------------------------------------------------------- |
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706 | { |
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707 | } |
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