[2] | 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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[78] | 14 | #include "cmt_symbol.h" |
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[79] | 15 | #include "cmt_log.h" |
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[2] | 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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[78] | 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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[2] | 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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[82] | 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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[2] | 39 | for (int i = 1; i < words.size (); i++) |
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| 40 | { |
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[78] | 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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[2] | 49 | name = words[i]; |
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| 50 | if (name == "") return; |
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[78] | 51 | |
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[2] | 52 | add (name, use); |
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| 53 | } |
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| 54 | } |
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| 55 | |
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[78] | 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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[2] | 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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[78] | 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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[2] | 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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[78] | 110 | void Include::clear_all () |
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[2] | 111 | { |
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[78] | 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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[2] | 115 | { |
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[78] | 116 | Include& incl = (Use::current()).includes[include_number]; |
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[2] | 117 | |
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[78] | 118 | incl.clear (); |
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| 119 | } |
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| 120 | } |
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[2] | 121 | |
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[78] | 122 | /** |
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[79] | 123 | Post processing of the include_dirs statements of a Use object. |
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[78] | 124 | This is meant to expand all macro references used in the |
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| 125 | include_dirs statements |
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[2] | 126 | |
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[78] | 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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[79] | 130 | void Include::parse_all (Use* use) |
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[78] | 131 | { |
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[79] | 132 | int size; |
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| 133 | int i; |
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[2] | 134 | |
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[79] | 135 | size = use->includes.size (); |
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| 136 | for (i = 0; i < size; i++) |
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[2] | 137 | { |
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[79] | 138 | Include& incl = use->includes[i]; |
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[2] | 139 | |
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[78] | 140 | incl.parse (); |
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[2] | 141 | } |
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| 142 | } |
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| 143 | |
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| 144 | /*----------------------------------------------------------*/ |
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[78] | 145 | void Include::clear () |
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[2] | 146 | { |
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[78] | 147 | use = 0; |
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| 148 | } |
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[2] | 149 | |
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[78] | 150 | /** |
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| 151 | Post processing of an include_dirs statement. |
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[2] | 152 | |
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[78] | 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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[79] | 160 | cmt_string new_name = name; |
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[2] | 161 | |
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[79] | 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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[78] | 166 | CmtSystem::cmt_string_vector ws; |
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[2] | 167 | |
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[78] | 168 | ws.clear (); |
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[2] | 169 | |
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[79] | 170 | CmtSystem::split (new_name, " ", ws); |
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[2] | 171 | |
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[78] | 172 | name = ""; |
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[2] | 173 | |
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[78] | 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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[2] | 177 | |
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[78] | 178 | add (w, use); |
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| 179 | } |
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[79] | 180 | |
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| 181 | use = 0; |
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[2] | 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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[78] | 187 | clear (); |
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[2] | 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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