1 | //----------------------------------------------------------- |
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2 | // Copyright Christian Arnault LAL-Orsay CNRS |
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3 | // arnault@lal.in2p3.fr |
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4 | // See the complete license in cmt_license.txt "http://www.cecill.info". |
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5 | //----------------------------------------------------------- |
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6 | |
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7 | #include <stdio.h> |
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8 | #include <stdlib.h> |
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9 | #include <string.h> |
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10 | #include <ctype.h> |
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11 | |
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12 | #include "cmt_include.h" |
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13 | #include "cmt_use.h" |
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14 | #include "cmt_symbol.h" |
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15 | #include "cmt_log.h" |
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16 | |
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17 | /*----------------------------------------------------------*/ |
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18 | /* */ |
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19 | /* Operations on Include */ |
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20 | /* */ |
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21 | /*----------------------------------------------------------*/ |
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22 | |
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23 | /** |
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24 | Executed to parse an include_dirs statement |
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25 | It postpones the macro expansion to the post-processing stage |
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26 | (during set_standard_macros) |
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27 | */ |
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28 | void Include::action (const CmtSystem::cmt_string_vector& words, Use* use) |
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29 | { |
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30 | cmt_string name; |
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31 | |
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32 | if (use == 0) use = &(Use::current()); |
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33 | |
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34 | if (Cmt::get_current_access () == UserMode) |
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35 | { |
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36 | if (use->get_current_scope () == ScopePrivate) return; |
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37 | } |
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38 | |
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39 | for (int i = 1; i < words.size (); i++) |
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40 | { |
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41 | /* |
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42 | statement words may contain macro references at that level |
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43 | they are stored as they are. |
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44 | They will be expanded later on using the parse_all method |
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45 | |
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46 | (called from set_standard_macros) |
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47 | |
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48 | */ |
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49 | name = words[i]; |
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50 | if (name == "") return; |
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51 | |
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52 | add (name, 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 | Search a database entry for this include_dirs matching the |
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58 | duet {name, use} |
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59 | */ |
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60 | Include* Include::find (const cmt_string& name, Use* use) |
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61 | { |
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62 | int include_index; |
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63 | |
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64 | if (use == 0) use = &(Use::current()); |
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65 | |
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66 | if (use->includes.size () == 0) return (0); |
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67 | |
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68 | for (include_index = 0; |
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69 | include_index < use->includes.size (); |
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70 | include_index++) |
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71 | { |
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72 | Include& incl = use->includes[include_index]; |
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73 | |
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74 | if (incl.use != use) continue; |
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75 | |
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76 | if (incl.name == name) |
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77 | { |
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78 | return (&incl); |
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79 | } |
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80 | } |
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81 | |
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82 | return (0); |
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83 | } |
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84 | |
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85 | /** |
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86 | Add a unique entry for this include_dirs specification given by the duet {name, use} |
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87 | */ |
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88 | Include* Include::add (const cmt_string& name, Use* use) |
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89 | { |
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90 | if (name == "") return (0); |
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91 | |
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92 | if (use == 0) use = &(Use::current()); |
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93 | |
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94 | { |
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95 | Include* incl; |
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96 | |
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97 | incl = find (name, use); |
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98 | if (incl != 0) return (incl); |
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99 | } |
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100 | |
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101 | Include& incl = use->includes.add (); |
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102 | |
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103 | incl.name = name; |
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104 | incl.use = use; |
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105 | |
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106 | return (&incl); |
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107 | } |
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108 | |
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109 | /*----------------------------------------------------------*/ |
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110 | void Include::clear_all () |
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111 | { |
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112 | for (int include_number = 0; |
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113 | include_number < (Use::current()).includes.size (); |
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114 | include_number++) |
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115 | { |
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116 | Include& incl = (Use::current()).includes[include_number]; |
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117 | |
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118 | incl.clear (); |
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119 | } |
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120 | } |
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121 | |
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122 | /** |
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123 | Post processing of the include_dirs statements of a Use object. |
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124 | This is meant to expand all macro references used in the |
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125 | include_dirs statements |
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126 | |
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127 | Note that this may create new Include objects. Thus the loop is |
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128 | only performed onto the existing objects before the post-processing step |
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129 | */ |
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130 | void Include::parse_all (Use* use) |
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131 | { |
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132 | int size; |
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133 | int i; |
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134 | |
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135 | size = use->includes.size (); |
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136 | for (i = 0; i < size; i++) |
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137 | { |
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138 | Include& incl = use->includes[i]; |
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139 | |
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140 | incl.parse (); |
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141 | } |
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142 | } |
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143 | |
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144 | /*----------------------------------------------------------*/ |
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145 | void Include::clear () |
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146 | { |
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147 | use = 0; |
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148 | } |
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149 | |
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150 | /** |
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151 | Post processing of an include_dirs statement. |
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152 | |
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153 | The name field is expanded for its macro references |
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154 | and split into individual words. |
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155 | Each word in turn generates a new Include object |
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156 | The old Include object is inactivated by setting an empty name |
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157 | */ |
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158 | void Include::parse () |
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159 | { |
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160 | cmt_string new_name = name; |
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161 | |
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162 | Symbol::expand (new_name); |
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163 | |
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164 | if (new_name == name) return; |
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165 | |
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166 | CmtSystem::cmt_string_vector ws; |
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167 | |
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168 | ws.clear (); |
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169 | |
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170 | CmtSystem::split (new_name, " ", ws); |
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171 | |
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172 | name = ""; |
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173 | |
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174 | for (int j = 0; j < ws.size (); j++) |
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175 | { |
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176 | const cmt_string& w = ws[j]; |
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177 | |
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178 | add (w, use); |
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179 | } |
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180 | |
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181 | use = 0; |
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182 | } |
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183 | |
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184 | /*----------------------------------------------------------*/ |
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185 | Include::Include () |
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186 | { |
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187 | clear (); |
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188 | } |
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189 | |
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190 | /*----------------------------------------------------------*/ |
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191 | Include::~Include () |
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192 | { |
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193 | use = 0; |
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194 | } |
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195 | |
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