[1] | 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 "cmt_deps_builder.h" |
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| 8 | #include "cmt_system.h" |
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| 9 | #include "cmt_use.h" |
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| 10 | #include "cmt_include.h" |
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| 11 | #include "cmt_symbol.h" |
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| 12 | |
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| 13 | // |
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| 14 | // While parsing a C++ file, these are the possible usefull |
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| 15 | // states we can reach. |
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| 16 | // Each state correspond to a specific state action function. |
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| 17 | // |
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| 18 | enum state_def |
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| 19 | { |
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| 20 | at_start, // beginning of the file |
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| 21 | in_line, // along a line |
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| 22 | in_string, // inside a quoted string |
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| 23 | in_char, // inside a quoted char |
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| 24 | in_comment, // inside a multi-line comment |
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| 25 | in_string_comment, // inside a quoted string in a comment |
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| 26 | in_char_comment, // inside a quoted char in a comment |
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| 27 | in_line_comment // inside a single-line comment |
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| 28 | }; |
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| 29 | |
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| 30 | //-------------------------------------------------- |
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| 31 | static int build_deps (const cmt_string& name, |
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| 32 | const cmt_string& dir_name, |
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| 33 | int current_path_index, |
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| 34 | const CmtSystem::cmt_string_vector& include_paths, |
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| 35 | const CmtSystem::cmt_string_vector& substitutions, |
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| 36 | CmtSystem::cmt_string_vector& all_deps, |
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| 37 | CmtSystem::cmt_string_vector& deps); |
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| 38 | |
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| 39 | |
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| 40 | //-------------------------------------------------- |
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| 41 | static void header_file_action (const char* header_file, |
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| 42 | const cmt_string& dir_name, |
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| 43 | int current_path_index, |
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| 44 | const CmtSystem::cmt_string_vector& include_paths, |
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| 45 | const CmtSystem::cmt_string_vector& substitutions, |
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| 46 | CmtSystem::cmt_string_vector& all_deps, |
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| 47 | CmtSystem::cmt_string_vector& deps) |
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| 48 | { |
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| 49 | bool found = false; |
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| 50 | |
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| 51 | for (int i = 0; i < all_deps.size (); i++) |
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| 52 | { |
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| 53 | if (all_deps[i] == header_file) |
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| 54 | { |
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| 55 | found = true; |
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| 56 | break; |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | if (!found) |
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| 61 | { |
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| 62 | all_deps.push_back (header_file); |
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| 63 | |
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| 64 | int path_index = build_deps (header_file, |
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| 65 | dir_name, |
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| 66 | current_path_index, |
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| 67 | include_paths, |
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| 68 | substitutions, |
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| 69 | all_deps, |
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| 70 | deps); |
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| 71 | |
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| 72 | if (path_index >= 0) |
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| 73 | { |
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| 74 | cmt_string full_name; |
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| 75 | |
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| 76 | if (path_index == 1) |
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| 77 | { |
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| 78 | full_name = dir_name; |
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| 79 | full_name += CmtSystem::file_separator (); |
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| 80 | |
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| 81 | if (current_path_index >= 2) |
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| 82 | { |
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| 83 | full_name.replace (include_paths[current_path_index - 2], |
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| 84 | substitutions[current_path_index - 2]); |
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| 85 | } |
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| 86 | } |
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| 87 | else if (path_index > 1) |
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| 88 | { |
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| 89 | full_name = substitutions[path_index - 2]; |
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| 90 | full_name += CmtSystem::file_separator (); |
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| 91 | } |
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| 92 | |
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| 93 | full_name += header_file; |
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| 94 | |
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| 95 | deps.push_back (full_name); |
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| 96 | } |
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| 97 | } |
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| 98 | } |
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| 99 | |
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| 100 | |
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| 101 | //-------------------------------------------------- |
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| 102 | static char* at_start_action (char* ptr, |
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| 103 | state_def& state, |
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| 104 | const cmt_string& dir_name, |
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| 105 | int current_path_index, |
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| 106 | const CmtSystem::cmt_string_vector& include_paths, |
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| 107 | const CmtSystem::cmt_string_vector& substitutions, |
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| 108 | CmtSystem::cmt_string_vector& all_deps, |
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| 109 | CmtSystem::cmt_string_vector& deps) |
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| 110 | { |
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| 111 | char term = 0; |
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| 112 | |
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| 113 | if (*ptr == '#') |
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| 114 | { |
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| 115 | ptr++; |
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| 116 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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| 117 | if (!strncmp (ptr, "include", 7)) |
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| 118 | { |
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| 119 | ptr += 7; |
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| 120 | |
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| 121 | while (*ptr == ' ') ptr++; |
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| 122 | if (*ptr == '<') |
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| 123 | { |
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| 124 | term = '>'; |
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| 125 | ptr++; |
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| 126 | } |
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| 127 | else if (*ptr == '"') |
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| 128 | { |
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| 129 | term = '"'; |
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| 130 | ptr++; |
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| 131 | } |
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| 132 | else |
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| 133 | { |
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| 134 | state = in_line; |
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| 135 | ptr += strlen (ptr); |
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| 136 | return (ptr); |
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| 137 | } |
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| 138 | } |
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| 139 | else |
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| 140 | { |
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| 141 | state = in_line; |
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| 142 | ptr += strlen (ptr); |
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| 143 | return (ptr); |
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| 144 | } |
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| 145 | } |
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| 146 | else if (!strncmp (ptr, " include", 13)) |
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| 147 | { |
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| 148 | ptr += 13; |
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| 149 | |
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| 150 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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| 151 | if (*ptr == '\'') |
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| 152 | { |
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| 153 | term = '\''; |
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| 154 | ptr++; |
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| 155 | } |
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| 156 | else |
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| 157 | { |
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| 158 | state = in_line; |
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| 159 | return (ptr); |
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| 160 | } |
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| 161 | } |
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| 162 | else if (!strncmp (ptr, "\tinclude", 8)) |
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| 163 | { |
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| 164 | ptr += 8; |
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| 165 | |
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| 166 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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| 167 | if (*ptr == '\'') |
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| 168 | { |
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| 169 | term = '\''; |
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| 170 | ptr++; |
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| 171 | } |
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| 172 | else |
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| 173 | { |
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| 174 | state = in_line; |
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| 175 | return (ptr); |
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| 176 | } |
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| 177 | } |
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| 178 | else |
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| 179 | { |
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| 180 | state = in_line; |
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| 181 | return (ptr); |
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| 182 | } |
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| 183 | |
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| 184 | char* end; |
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| 185 | |
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| 186 | end = strchr (ptr, term); |
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| 187 | if (end != 0) |
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| 188 | { |
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| 189 | *end = 0; |
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| 190 | } |
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| 191 | |
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| 192 | const char* header_file = ptr; |
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| 193 | |
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| 194 | header_file_action (header_file, |
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| 195 | dir_name, |
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| 196 | current_path_index, |
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| 197 | include_paths, |
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| 198 | substitutions, |
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| 199 | all_deps, |
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| 200 | deps); |
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| 201 | |
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| 202 | if (end != 0) |
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| 203 | { |
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| 204 | *end = term; |
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| 205 | } |
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| 206 | |
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| 207 | state = in_line; |
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| 208 | ptr += strlen (ptr); |
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| 209 | |
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| 210 | return (ptr); |
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| 211 | } |
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| 212 | |
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| 213 | //-------------------------------------------------- |
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| 214 | static char* in_line_action (char* ptr, state_def& state) |
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| 215 | { |
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| 216 | char* pattern = &ptr[strlen (ptr)]; |
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| 217 | |
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| 218 | char* pos = strchr (ptr, '"'); |
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| 219 | if (pos != 0) |
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| 220 | { |
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| 221 | if (pos < pattern) |
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| 222 | { |
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| 223 | state = in_string; |
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| 224 | pattern = pos; |
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| 225 | } |
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| 226 | } |
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| 227 | |
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| 228 | pos = strchr (ptr, '\''); |
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| 229 | if (pos != 0) |
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| 230 | { |
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| 231 | if (pos < pattern) |
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| 232 | { |
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| 233 | state = in_char; |
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| 234 | pattern = pos; |
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| 235 | } |
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| 236 | } |
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| 237 | |
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| 238 | pos = strstr (ptr, "/*"); //*/ |
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| 239 | if (pos != 0) |
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| 240 | { |
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| 241 | if (pos < pattern) |
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| 242 | { |
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| 243 | state = in_comment; |
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| 244 | pattern = pos + 1; |
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| 245 | } |
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| 246 | } |
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| 247 | |
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| 248 | pos = strstr (ptr, "//"); |
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| 249 | if (pos != 0) |
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| 250 | { |
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| 251 | if (pos < pattern) |
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| 252 | { |
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| 253 | state = in_line_comment; |
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| 254 | pattern = pos + 1; |
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| 255 | } |
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| 256 | } |
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| 257 | |
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| 258 | if (state != in_line) |
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| 259 | { |
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| 260 | ptr = pattern + 1; |
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| 261 | } |
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| 262 | else |
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| 263 | { |
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| 264 | ptr += strlen (ptr); |
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| 265 | } |
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| 266 | |
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| 267 | return (ptr); |
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| 268 | } |
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| 269 | |
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| 270 | //-------------------------------------------------- |
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| 271 | static char* in_string_action (char* ptr, state_def& state) |
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| 272 | { |
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| 273 | char* pos = strchr (ptr, '"'); |
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| 274 | if (pos == 0) |
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| 275 | { |
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| 276 | // This string is not finished till the end of the line.. |
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| 277 | // we expect it continues to the nex line... |
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| 278 | ptr += strlen (ptr); |
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| 279 | } |
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| 280 | else |
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| 281 | { |
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| 282 | pos--; |
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| 283 | if (*pos == '\\') |
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| 284 | { |
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| 285 | ptr = pos + 2; |
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| 286 | } |
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| 287 | else |
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| 288 | { |
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| 289 | ptr = pos + 2; |
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| 290 | state = in_line; |
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| 291 | } |
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| 292 | } |
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| 293 | |
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| 294 | return (ptr); |
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| 295 | } |
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| 296 | |
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| 297 | //-------------------------------------------------- |
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| 298 | static char* in_char_action (char* ptr, state_def& state) |
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| 299 | { |
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| 300 | char* pos = strchr (ptr, '\''); |
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| 301 | if (pos == 0) |
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| 302 | { |
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| 303 | // This string is not finished till the end of the line.. |
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| 304 | // we expect it continues to the nex line... |
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| 305 | ptr += strlen (ptr); |
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| 306 | } |
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| 307 | else |
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| 308 | { |
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| 309 | pos--; |
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| 310 | if (*pos == '\\') |
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| 311 | { |
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| 312 | ptr = pos + 2; |
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| 313 | } |
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| 314 | else |
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| 315 | { |
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| 316 | ptr = pos + 2; |
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| 317 | state = in_line; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | return (ptr); |
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| 322 | } |
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| 323 | |
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| 324 | //-------------------------------------------------- |
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| 325 | static char* in_comment_action (char* ptr, state_def& state) |
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| 326 | { |
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| 327 | char* pattern = &ptr[strlen (ptr)]; |
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| 328 | char* pos = strchr (ptr, '"'); |
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| 329 | if (pos != 0) |
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| 330 | { |
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| 331 | if (pos < pattern) |
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| 332 | { |
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| 333 | state = in_string_comment; |
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| 334 | pattern = pos; |
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| 335 | } |
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| 336 | } |
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| 337 | pos = strchr (ptr, '\''); |
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| 338 | if (pos != 0) |
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| 339 | { |
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| 340 | if (pos < pattern) |
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| 341 | { |
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| 342 | state = in_char_comment; |
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| 343 | pattern = pos; |
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| 344 | } |
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| 345 | } |
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| 346 | pos = strstr (ptr, "*/"); |
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| 347 | if (pos != 0) |
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| 348 | { |
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| 349 | if (pos < pattern) |
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| 350 | { |
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| 351 | state = in_line; |
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| 352 | pattern = pos + 1; |
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| 353 | } |
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| 354 | } |
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| 355 | |
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| 356 | if (state == in_comment) |
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| 357 | { |
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| 358 | ptr += strlen (ptr); |
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| 359 | } |
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| 360 | else |
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| 361 | { |
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| 362 | ptr = pattern + 1; |
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| 363 | } |
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| 364 | |
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| 365 | return (ptr); |
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| 366 | } |
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| 367 | |
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| 368 | //-------------------------------------------------- |
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| 369 | static char* in_string_comment_action (char* ptr, state_def& state) |
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| 370 | { |
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| 371 | char* pos = strchr (ptr, '"'); |
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| 372 | if (pos == 0) |
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| 373 | { |
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| 374 | // This string is not finished till the end of the line.. |
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| 375 | // we expect it continues to the nex line... |
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| 376 | ptr += strlen (ptr); |
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| 377 | } |
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| 378 | else |
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| 379 | { |
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| 380 | pos--; |
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| 381 | if (*pos == '\\') |
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| 382 | { |
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| 383 | ptr = pos + 2; |
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| 384 | } |
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| 385 | else |
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| 386 | { |
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| 387 | ptr = pos + 2; |
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| 388 | state = in_comment; |
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| 389 | } |
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| 390 | } |
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| 391 | |
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| 392 | return (ptr); |
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| 393 | } |
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| 394 | |
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| 395 | //-------------------------------------------------- |
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| 396 | static char* in_char_comment_action (char* ptr, state_def& state) |
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| 397 | { |
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| 398 | char* pos = strchr (ptr, '\''); |
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| 399 | if (pos == 0) |
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| 400 | { |
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| 401 | // This string is not finished till the end of the line.. |
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| 402 | // we expect it continues to the nex line... |
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| 403 | ptr += strlen (ptr); |
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| 404 | } |
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| 405 | else |
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| 406 | { |
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| 407 | pos--; |
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| 408 | if (*pos == '\\') |
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| 409 | { |
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| 410 | ptr = pos + 2; |
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| 411 | } |
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| 412 | else |
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| 413 | { |
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| 414 | ptr = pos + 2; |
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| 415 | state = in_comment; |
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| 416 | } |
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| 417 | } |
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| 418 | |
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| 419 | return (ptr); |
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| 420 | } |
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| 421 | |
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| 422 | //-------------------------------------------------- |
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| 423 | static char* in_line_comment_action (char* ptr, state_def& state) |
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| 424 | { |
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| 425 | ptr += strlen (ptr); |
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| 426 | |
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| 427 | return (ptr); |
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| 428 | } |
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| 429 | |
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| 430 | //-------------------------------------------------- |
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| 431 | static void build_deps_stream (istream& input, |
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| 432 | const cmt_string& dir_name, |
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| 433 | int current_path_index, |
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| 434 | const CmtSystem::cmt_string_vector& include_paths, |
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| 435 | const CmtSystem::cmt_string_vector& substitutions, |
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| 436 | CmtSystem::cmt_string_vector& all_deps, |
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| 437 | CmtSystem::cmt_string_vector& deps) |
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| 438 | { |
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| 439 | if (input) |
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| 440 | { |
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| 441 | if (Cmt::get_debug ()) |
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| 442 | { |
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| 443 | cout << "CMT> build_deps_stream dir_name=" << |
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| 444 | dir_name << endl; |
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| 445 | } |
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| 446 | |
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| 447 | while (!input.eof ()) |
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| 448 | { |
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| 449 | char line[16384]; |
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| 450 | |
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| 451 | input.getline (line, sizeof (line)); |
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| 452 | char* ptr = &line[0]; |
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| 453 | state_def state = at_start; |
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| 454 | |
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| 455 | if (Cmt::get_debug ()) |
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| 456 | { |
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| 457 | cout << "CMT> build_deps_stream2 line=[" << |
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| 458 | line << "]" << endl; |
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| 459 | } |
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| 460 | |
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| 461 | while (strlen (ptr) > 0) |
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| 462 | { |
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| 463 | switch (state) |
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| 464 | { |
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| 465 | case at_start: |
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| 466 | ptr = at_start_action (ptr, |
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| 467 | state, |
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| 468 | dir_name, |
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| 469 | current_path_index, |
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| 470 | include_paths, |
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| 471 | substitutions, |
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| 472 | all_deps, |
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| 473 | deps); |
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| 474 | break; |
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| 475 | case in_line: |
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| 476 | ptr = in_line_action (ptr, state); |
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| 477 | break; |
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| 478 | case in_string: |
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| 479 | ptr = in_string_action (ptr, state); |
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| 480 | break; |
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| 481 | case in_char: |
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| 482 | ptr = in_char_action (ptr, state); |
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| 483 | break; |
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| 484 | case in_comment: |
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| 485 | ptr = in_comment_action (ptr, state); |
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| 486 | break; |
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| 487 | case in_string_comment: |
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| 488 | ptr = in_string_comment_action (ptr, state); |
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| 489 | break; |
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| 490 | case in_char_comment: |
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| 491 | ptr = in_char_comment_action (ptr, state); |
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| 492 | break; |
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| 493 | case in_line_comment: |
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| 494 | ptr = in_line_action (ptr, state); |
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| 495 | break; |
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| 496 | } |
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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 | |
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| 502 | //-------------------------------------------------- |
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| 503 | static int build_deps (const cmt_string& name, |
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| 504 | const cmt_string& dir_name, |
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| 505 | int current_path_index, |
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| 506 | const CmtSystem::cmt_string_vector& include_paths, |
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| 507 | const CmtSystem::cmt_string_vector& substitutions, |
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| 508 | CmtSystem::cmt_string_vector& all_deps, |
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| 509 | CmtSystem::cmt_string_vector& deps) |
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| 510 | { |
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| 511 | int result = -1; |
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| 512 | cmt_string new_dir; |
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| 513 | |
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| 514 | if (Cmt::get_debug ()) |
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| 515 | { |
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| 516 | cout << "CMT> build_deps name=" << name << " dir_name=" << |
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| 517 | dir_name << endl; |
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| 518 | } |
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| 519 | |
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| 520 | // |
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| 521 | // Return 0 when the file is found in the current directory |
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| 522 | // |
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| 523 | if (CmtSystem::test_file (name)) |
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| 524 | { |
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| 525 | ifstream input (name.c_str ()); |
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| 526 | if (input) |
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| 527 | { |
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| 528 | CmtSystem::dirname (name, new_dir); |
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| 529 | build_deps_stream (input, new_dir, current_path_index, |
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| 530 | include_paths, substitutions, |
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| 531 | all_deps, deps); |
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| 532 | return (0); |
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| 533 | } |
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| 534 | } |
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| 535 | |
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| 536 | cmt_string full_name; |
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| 537 | |
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| 538 | full_name = dir_name; |
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| 539 | full_name += CmtSystem::file_separator (); |
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| 540 | full_name += name; |
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| 541 | |
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| 542 | // |
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| 543 | // Return 1 when the file is found in the directory of the |
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| 544 | // upper level source file |
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| 545 | // |
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| 546 | if (CmtSystem::test_file (full_name)) |
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| 547 | { |
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| 548 | ifstream input (full_name.c_str ()); |
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| 549 | if (input) |
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| 550 | { |
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| 551 | CmtSystem::dirname (full_name, new_dir); |
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| 552 | build_deps_stream (input, new_dir, current_path_index, |
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| 553 | include_paths, substitutions, |
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| 554 | all_deps, deps); |
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| 555 | return (1); |
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| 556 | } |
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| 557 | } |
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| 558 | |
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| 559 | int path_index = -1; |
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| 560 | |
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| 561 | // |
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| 562 | // Return [path_index + 2] when the include file is found at one of |
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| 563 | // the include_paths |
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| 564 | // |
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| 565 | for (path_index = 0; path_index < include_paths.size (); path_index++) |
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| 566 | { |
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| 567 | full_name = include_paths[path_index]; |
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| 568 | full_name += CmtSystem::file_separator (); |
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| 569 | full_name += name; |
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| 570 | |
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| 571 | if (Cmt::get_debug ()) |
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| 572 | { |
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| 573 | cout << "CMT> build_deps2 full_name=" << full_name << endl; |
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| 574 | } |
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| 575 | |
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| 576 | if (CmtSystem::test_file (full_name)) |
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| 577 | { |
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| 578 | ifstream in (full_name.c_str ()); |
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| 579 | if (in) |
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| 580 | { |
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| 581 | CmtSystem::dirname (full_name, new_dir); |
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| 582 | |
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| 583 | if (Cmt::get_debug ()) |
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| 584 | { |
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| 585 | cout << "CMT> build_deps3 new_dir=" << new_dir << endl; |
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| 586 | } |
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| 587 | |
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| 588 | build_deps_stream (in, |
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| 589 | new_dir, |
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| 590 | path_index + 2, |
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| 591 | include_paths, |
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| 592 | substitutions, |
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| 593 | all_deps, |
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| 594 | deps); |
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| 595 | |
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| 596 | return (path_index + 2); |
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| 597 | } |
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| 598 | } |
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| 599 | } |
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| 600 | |
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| 601 | if (Cmt::get_debug ()) |
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| 602 | { |
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| 603 | cout << "CMT> build_deps3" << endl; |
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| 604 | } |
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| 605 | |
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| 606 | return (-1); |
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| 607 | } |
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| 608 | |
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| 609 | //-------------------------------------------------------------------------- |
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| 610 | void DepsBuilder::clear () |
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| 611 | { |
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| 612 | m_include_paths.clear (); |
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| 613 | m_substitutions.clear (); |
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| 614 | } |
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| 615 | |
---|
| 616 | //-------------------------------------------------------------------------- |
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| 617 | void DepsBuilder::add (const cmt_string& path, const cmt_string& substitution) |
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| 618 | { |
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| 619 | if (path[path.size () - 1] == CmtSystem::file_separator ()) |
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| 620 | { |
---|
| 621 | cmt_string p = path; |
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| 622 | p.erase (path.size () - 1); |
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| 623 | m_include_paths.push_back (p); |
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| 624 | } |
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| 625 | else |
---|
| 626 | { |
---|
| 627 | m_include_paths.push_back (path); |
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| 628 | } |
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| 629 | |
---|
| 630 | m_substitutions.push_back (substitution); |
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| 631 | } |
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| 632 | |
---|
| 633 | //-------------------------------------------------------------------------- |
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| 634 | void DepsBuilder::add_includes (const Use& use) |
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| 635 | { |
---|
| 636 | const Include::IncludeVector& includes = use.includes; |
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| 637 | int include_number; |
---|
| 638 | |
---|
| 639 | for (include_number = 0; |
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| 640 | include_number < includes.size (); |
---|
| 641 | include_number++) |
---|
| 642 | { |
---|
| 643 | const Include& include = includes[include_number]; |
---|
| 644 | |
---|
| 645 | cmt_string temp = include.name; |
---|
| 646 | cmt_string pattern; |
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| 647 | cmt_string name; |
---|
| 648 | char end_pattern; |
---|
| 649 | |
---|
| 650 | int start = 0; |
---|
| 651 | |
---|
| 652 | for (;;) |
---|
| 653 | { |
---|
| 654 | int begin; |
---|
| 655 | |
---|
| 656 | begin = temp.find (start, "${"); |
---|
| 657 | if (begin != cmt_string::npos) |
---|
| 658 | { |
---|
| 659 | end_pattern = '}'; |
---|
| 660 | } |
---|
| 661 | else |
---|
| 662 | { |
---|
| 663 | begin = temp.find (start, "$("); |
---|
| 664 | if (begin != cmt_string::npos) |
---|
| 665 | { |
---|
| 666 | end_pattern = ')'; |
---|
| 667 | } |
---|
| 668 | else |
---|
| 669 | { |
---|
| 670 | break; |
---|
| 671 | } |
---|
| 672 | } |
---|
| 673 | |
---|
| 674 | start = begin + 2; |
---|
| 675 | |
---|
| 676 | int end; |
---|
| 677 | end = temp.find (start, end_pattern); |
---|
| 678 | if (end == cmt_string::npos) break; |
---|
| 679 | if (end < begin) break; |
---|
| 680 | start = end + 1; |
---|
| 681 | |
---|
| 682 | temp.substr (begin, end - begin + 1, pattern); |
---|
| 683 | temp.substr (begin + 2, end - begin - 2, name); |
---|
| 684 | |
---|
| 685 | Symbol* macro = Symbol::find (name); |
---|
| 686 | if (macro != 0) |
---|
| 687 | { |
---|
| 688 | cmt_string value = macro->resolve_macro_value (); |
---|
| 689 | value += CmtSystem::file_separator (); |
---|
| 690 | temp.replace_all (pattern, value); |
---|
| 691 | } |
---|
| 692 | else |
---|
| 693 | { |
---|
| 694 | cmt_string value = CmtSystem::getenv (name); |
---|
| 695 | value += CmtSystem::file_separator (); |
---|
| 696 | temp.replace_all (pattern, value); |
---|
| 697 | } |
---|
| 698 | } |
---|
| 699 | add (temp, include.name); |
---|
| 700 | } |
---|
| 701 | } |
---|
| 702 | |
---|
| 703 | //-------------------------------------------------------------------------- |
---|
| 704 | CmtSystem::cmt_string_vector& DepsBuilder::run (const cmt_string& file_name) |
---|
| 705 | { |
---|
| 706 | m_deps.clear (); |
---|
| 707 | m_all_deps.clear (); |
---|
| 708 | |
---|
| 709 | cmt_string preprocessor; |
---|
| 710 | Symbol* macro = Symbol::find ("preprocessor_command"); |
---|
| 711 | if (macro != 0) |
---|
| 712 | { |
---|
| 713 | preprocessor = macro->resolve_macro_value (); |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | if (preprocessor == "") |
---|
| 717 | { |
---|
| 718 | // |
---|
| 719 | // Since no preprocessor command is defined, |
---|
| 720 | // we use the internal mechanism provided here. |
---|
| 721 | // |
---|
| 722 | cmt_string new_dir; |
---|
| 723 | |
---|
| 724 | CmtSystem::dirname (file_name, new_dir); |
---|
| 725 | |
---|
| 726 | build_deps (file_name, |
---|
| 727 | new_dir, |
---|
| 728 | 0, |
---|
| 729 | m_include_paths, |
---|
| 730 | m_substitutions, |
---|
| 731 | m_all_deps, |
---|
| 732 | m_deps); |
---|
| 733 | } |
---|
| 734 | else |
---|
| 735 | { |
---|
| 736 | // |
---|
| 737 | // An external preprocessor command is defined. We expect it |
---|
| 738 | // to follow a "standard" syntax for its output, ie: |
---|
| 739 | // o It starts with: |
---|
| 740 | // <module>.o: ... |
---|
| 741 | // o There may be many lines with trailing back-slashes |
---|
| 742 | // o All entries are space-separated |
---|
| 743 | // o One of the entries is the source file name itself |
---|
| 744 | // |
---|
| 745 | // The preprocessor command expects the list of -I options |
---|
| 746 | // (resolved from the "includes" macro) and the list of |
---|
| 747 | // -D/-U options (resolved from the "*_pp_*flags" macros) |
---|
| 748 | // |
---|
| 749 | |
---|
| 750 | // |
---|
| 751 | // Building the complete command (still the pp_*flags are |
---|
| 752 | // missing) |
---|
| 753 | // |
---|
| 754 | preprocessor += " "; |
---|
| 755 | macro = Symbol::find ("includes"); |
---|
| 756 | preprocessor += macro->resolve_macro_value (); |
---|
| 757 | preprocessor += " "; |
---|
| 758 | preprocessor += file_name; |
---|
| 759 | |
---|
| 760 | cmt_string output; |
---|
| 761 | |
---|
| 762 | CmtSystem::execute (preprocessor, output); |
---|
| 763 | |
---|
| 764 | // |
---|
| 765 | // Make the output as one single big line. |
---|
| 766 | // |
---|
| 767 | |
---|
| 768 | output.replace_all ("\n", " "); |
---|
| 769 | output.replace_all ("\\ ", " "); |
---|
| 770 | |
---|
| 771 | CmtSystem::cmt_string_vector files; |
---|
| 772 | |
---|
| 773 | CmtSystem::split (output, " \t", files); |
---|
| 774 | |
---|
| 775 | // |
---|
| 776 | // Analyze each entry |
---|
| 777 | // |
---|
| 778 | |
---|
| 779 | for (int i = 1; i < files.size (); i++) |
---|
| 780 | { |
---|
| 781 | const cmt_string& file = files[i]; |
---|
| 782 | if (file == file_name) continue; |
---|
| 783 | |
---|
| 784 | cmt_string dir; |
---|
| 785 | cmt_string name; |
---|
| 786 | cmt_string full_name; |
---|
| 787 | |
---|
| 788 | CmtSystem::dirname (file, dir); |
---|
| 789 | |
---|
| 790 | // |
---|
| 791 | // Only declared include_paths will be taken into account |
---|
| 792 | // Others are considered as system include paths. |
---|
| 793 | // |
---|
| 794 | |
---|
| 795 | for (int j = 0; j < m_include_paths.size (); j++) |
---|
| 796 | { |
---|
| 797 | const cmt_string& p = m_include_paths[j]; |
---|
| 798 | if (dir == p) |
---|
| 799 | { |
---|
| 800 | CmtSystem::basename (file, name); |
---|
| 801 | full_name = m_substitutions[j]; |
---|
| 802 | full_name += name; |
---|
| 803 | |
---|
| 804 | // |
---|
| 805 | // We add in the "m_deps" list the symbolic form |
---|
| 806 | // of the path rather that the expanded one. |
---|
| 807 | // |
---|
| 808 | |
---|
| 809 | m_deps.push_back (full_name); |
---|
| 810 | |
---|
| 811 | break; |
---|
| 812 | } |
---|
| 813 | } |
---|
| 814 | } |
---|
| 815 | } |
---|
| 816 | |
---|
| 817 | return (m_deps); |
---|
| 818 | } |
---|
| 819 | |
---|