[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 "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 | #include "cmt_log.h" |
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| 13 | |
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| 14 | // |
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| 15 | // While parsing a C++ file, these are the possible usefull |
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| 16 | // states we can reach. |
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| 17 | // Each state correspond to a specific state action function. |
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| 18 | // |
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| 19 | enum state_def |
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| 20 | { |
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| 21 | at_start, // beginning of the file |
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| 22 | in_line, // along a line |
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| 23 | in_string, // inside a quoted string |
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| 24 | in_char, // inside a quoted char |
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| 25 | in_comment, // inside a multi-line comment |
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| 26 | in_string_comment, // inside a quoted string in a comment |
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| 27 | in_char_comment, // inside a quoted char in a comment |
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| 28 | in_line_comment // inside a single-line comment |
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| 29 | }; |
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| 30 | |
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| 31 | //-------------------------------------------------- |
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| 32 | static int build_deps (const cmt_string& name, |
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| 33 | const cmt_string& dir_name, |
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| 34 | int current_path_index, |
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| 35 | const CmtSystem::cmt_string_vector& include_paths, |
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| 36 | const CmtSystem::cmt_string_vector& substitutions, |
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| 37 | CmtSystem::cmt_string_vector& all_deps, |
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| 38 | CmtSystem::cmt_string_vector& deps); |
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| 39 | |
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| 40 | |
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| 41 | //-------------------------------------------------- |
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| 42 | static void header_file_action (const char* header_file, |
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| 43 | const cmt_string& dir_name, |
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| 44 | int current_path_index, |
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| 45 | const CmtSystem::cmt_string_vector& include_paths, |
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| 46 | const CmtSystem::cmt_string_vector& substitutions, |
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| 47 | CmtSystem::cmt_string_vector& all_deps, |
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| 48 | CmtSystem::cmt_string_vector& deps) |
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| 49 | { |
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[78] | 50 | Log; |
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| 51 | |
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[2] | 52 | bool found = false; |
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| 53 | |
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| 54 | for (int i = 0; i < all_deps.size (); i++) |
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| 55 | { |
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[78] | 56 | const cmt_string& n = all_deps[i]; |
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| 57 | |
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| 58 | log << "CMT> check old header file name=" << n << " against " << header_file << log_endl; |
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| 59 | |
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| 60 | if (n == header_file) |
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[2] | 61 | { |
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| 62 | found = true; |
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| 63 | break; |
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| 64 | } |
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| 65 | } |
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| 66 | |
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| 67 | if (!found) |
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| 68 | { |
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[78] | 69 | log << "CMT> parsing new header file name=" << header_file << log_endl; |
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| 70 | |
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[2] | 71 | all_deps.push_back (header_file); |
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| 72 | |
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| 73 | int path_index = build_deps (header_file, |
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| 74 | dir_name, |
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| 75 | current_path_index, |
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| 76 | include_paths, |
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| 77 | substitutions, |
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| 78 | all_deps, |
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| 79 | deps); |
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| 80 | |
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| 81 | if (path_index >= 0) |
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| 82 | { |
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| 83 | cmt_string full_name; |
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| 84 | |
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| 85 | if (path_index == 1) |
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| 86 | { |
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| 87 | full_name = dir_name; |
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| 88 | full_name += CmtSystem::file_separator (); |
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| 89 | |
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| 90 | if (current_path_index >= 2) |
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| 91 | { |
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| 92 | full_name.replace (include_paths[current_path_index - 2], |
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| 93 | substitutions[current_path_index - 2]); |
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| 94 | } |
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| 95 | } |
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| 96 | else if (path_index > 1) |
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| 97 | { |
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| 98 | full_name = substitutions[path_index - 2]; |
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| 99 | full_name += CmtSystem::file_separator (); |
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| 100 | } |
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| 101 | |
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| 102 | full_name += header_file; |
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| 103 | |
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| 104 | deps.push_back (full_name); |
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| 105 | } |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | |
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| 110 | //-------------------------------------------------- |
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| 111 | static char* at_start_action (char* ptr, |
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| 112 | state_def& state, |
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| 113 | const cmt_string& dir_name, |
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| 114 | int current_path_index, |
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| 115 | const CmtSystem::cmt_string_vector& include_paths, |
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| 116 | const CmtSystem::cmt_string_vector& substitutions, |
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| 117 | CmtSystem::cmt_string_vector& all_deps, |
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| 118 | CmtSystem::cmt_string_vector& deps) |
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| 119 | { |
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| 120 | char term = 0; |
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| 121 | |
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| 122 | if (*ptr == '#') |
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| 123 | { |
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| 124 | ptr++; |
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[78] | 125 | |
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| 126 | // skip spaces |
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[2] | 127 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[78] | 128 | |
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[2] | 129 | if (!strncmp (ptr, "include", 7)) |
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| 130 | { |
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[78] | 131 | // We have a #include statement |
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| 132 | |
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[2] | 133 | ptr += 7; |
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| 134 | |
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| 135 | while (*ptr == ' ') ptr++; |
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| 136 | if (*ptr == '<') |
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| 137 | { |
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| 138 | term = '>'; |
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| 139 | ptr++; |
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| 140 | } |
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| 141 | else if (*ptr == '"') |
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| 142 | { |
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| 143 | term = '"'; |
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| 144 | ptr++; |
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| 145 | } |
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| 146 | else |
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| 147 | { |
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[78] | 148 | // empty #include statement?? |
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[2] | 149 | state = in_line; |
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| 150 | ptr += strlen (ptr); |
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| 151 | return (ptr); |
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| 152 | } |
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| 153 | } |
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| 154 | else |
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| 155 | { |
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[78] | 156 | // ignore other pre-processor statements |
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| 157 | |
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[2] | 158 | state = in_line; |
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| 159 | ptr += strlen (ptr); |
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| 160 | return (ptr); |
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| 161 | } |
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| 162 | } |
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| 163 | else if (!strncmp (ptr, " include", 13)) |
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| 164 | { |
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[78] | 165 | // fortran include statement |
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| 166 | |
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[2] | 167 | ptr += 13; |
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| 168 | |
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| 169 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[78] | 170 | |
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[2] | 171 | if (*ptr == '\'') |
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| 172 | { |
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| 173 | term = '\''; |
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| 174 | ptr++; |
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| 175 | } |
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| 176 | else |
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| 177 | { |
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| 178 | state = in_line; |
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| 179 | return (ptr); |
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| 180 | } |
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| 181 | } |
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| 182 | else if (!strncmp (ptr, "\tinclude", 8)) |
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| 183 | { |
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[78] | 184 | // fortran include statement |
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| 185 | |
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[2] | 186 | ptr += 8; |
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| 187 | |
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| 188 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[78] | 189 | |
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[2] | 190 | if (*ptr == '\'') |
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| 191 | { |
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| 192 | term = '\''; |
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| 193 | ptr++; |
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| 194 | } |
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| 195 | else |
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| 196 | { |
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| 197 | state = in_line; |
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| 198 | return (ptr); |
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| 199 | } |
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| 200 | } |
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| 201 | else |
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| 202 | { |
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| 203 | state = in_line; |
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| 204 | return (ptr); |
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| 205 | } |
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| 206 | |
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[78] | 207 | // At this point we do have to include a header file. |
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| 208 | |
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[2] | 209 | char* end; |
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| 210 | |
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| 211 | end = strchr (ptr, term); |
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| 212 | if (end != 0) |
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| 213 | { |
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| 214 | *end = 0; |
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| 215 | } |
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| 216 | |
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| 217 | const char* header_file = ptr; |
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| 218 | |
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| 219 | header_file_action (header_file, |
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| 220 | dir_name, |
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| 221 | current_path_index, |
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| 222 | include_paths, |
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| 223 | substitutions, |
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| 224 | all_deps, |
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| 225 | deps); |
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| 226 | |
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| 227 | if (end != 0) |
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| 228 | { |
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| 229 | *end = term; |
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| 230 | } |
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| 231 | |
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| 232 | state = in_line; |
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| 233 | ptr += strlen (ptr); |
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| 234 | |
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| 235 | return (ptr); |
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| 236 | } |
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| 237 | |
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[78] | 238 | /** |
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| 239 | Any line with no header inclusion |
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| 240 | step through comments and strings |
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| 241 | */ |
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[2] | 242 | static char* in_line_action (char* ptr, state_def& state) |
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| 243 | { |
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[78] | 244 | char* pattern = ptr + strlen (ptr); |
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| 245 | int length = 0; |
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[2] | 246 | |
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[78] | 247 | /* |
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| 248 | search for the first occurrence of |
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| 249 | {single-quote double-quote open-comment open-line-comment} |
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| 250 | |
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| 251 | Must exclude escaped quotes \' and \" |
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| 252 | */ |
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| 253 | |
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[2] | 254 | char* pos = strchr (ptr, '"'); |
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[78] | 255 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 256 | { |
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[78] | 257 | state = in_string; |
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| 258 | pattern = pos; |
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| 259 | length = 1; |
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[2] | 260 | } |
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| 261 | |
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| 262 | pos = strchr (ptr, '\''); |
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[78] | 263 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 264 | { |
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[78] | 265 | state = in_char; |
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| 266 | pattern = pos; |
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| 267 | length = 1; |
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[2] | 268 | } |
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| 269 | |
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| 270 | pos = strstr (ptr, "/*"); //*/ |
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[78] | 271 | if ((pos != 0) && (pos < pattern)) |
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[2] | 272 | { |
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[78] | 273 | state = in_comment; |
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| 274 | pattern = pos; |
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| 275 | length = 2; |
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[2] | 276 | } |
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| 277 | |
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| 278 | pos = strstr (ptr, "//"); |
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[78] | 279 | if ((pos != 0) && (pos < pattern)) |
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[2] | 280 | { |
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[78] | 281 | state = in_line_comment; |
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| 282 | pattern = pos; |
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| 283 | length = 2; |
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[2] | 284 | } |
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| 285 | |
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[78] | 286 | ptr = pattern + length; |
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[2] | 287 | |
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| 288 | return (ptr); |
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| 289 | } |
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| 290 | |
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| 291 | //-------------------------------------------------- |
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| 292 | static char* in_string_action (char* ptr, state_def& state) |
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| 293 | { |
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[78] | 294 | // we exclusively look for a double quote |
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| 295 | |
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[2] | 296 | char* pos = strchr (ptr, '"'); |
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| 297 | if (pos == 0) |
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| 298 | { |
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| 299 | // This string is not finished till the end of the line.. |
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[78] | 300 | // we expect it to continue to the next line... |
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| 301 | // thus we leave the state as it is |
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[2] | 302 | ptr += strlen (ptr); |
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| 303 | } |
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| 304 | else |
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| 305 | { |
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[78] | 306 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
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[2] | 307 | { |
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[78] | 308 | ptr = pos + 1; |
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[2] | 309 | } |
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| 310 | else |
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| 311 | { |
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[78] | 312 | ptr = pos + 1; |
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[2] | 313 | state = in_line; |
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| 314 | } |
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| 315 | } |
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| 316 | |
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| 317 | return (ptr); |
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| 318 | } |
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| 319 | |
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| 320 | //-------------------------------------------------- |
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| 321 | static char* in_char_action (char* ptr, state_def& state) |
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| 322 | { |
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[78] | 323 | // we exclusively look for a single quote |
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| 324 | |
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[2] | 325 | char* pos = strchr (ptr, '\''); |
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| 326 | if (pos == 0) |
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| 327 | { |
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| 328 | // This string is not finished till the end of the line.. |
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| 329 | // we expect it continues to the nex line... |
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[78] | 330 | // thus we leave the state as it is |
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[2] | 331 | ptr += strlen (ptr); |
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| 332 | } |
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| 333 | else |
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| 334 | { |
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[78] | 335 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
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[2] | 336 | { |
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[78] | 337 | ptr = pos + 1; |
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[2] | 338 | } |
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| 339 | else |
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| 340 | { |
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[78] | 341 | ptr = pos + 1; |
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[2] | 342 | state = in_line; |
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| 343 | } |
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| 344 | } |
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| 345 | |
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| 346 | return (ptr); |
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| 347 | } |
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| 348 | |
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| 349 | //-------------------------------------------------- |
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| 350 | static char* in_comment_action (char* ptr, state_def& state) |
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| 351 | { |
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[78] | 352 | char* pattern = ptr + strlen (ptr); |
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| 353 | int length = 0; |
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| 354 | |
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| 355 | /* |
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| 356 | Even if we are inside a comment, we must detect strings since comment markers may |
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| 357 | be written inside them. |
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| 358 | */ |
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| 359 | |
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[2] | 360 | char* pos = strchr (ptr, '"'); |
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[78] | 361 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 362 | { |
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[78] | 363 | state = in_string_comment; |
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| 364 | pattern = pos; |
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| 365 | length = 1; |
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[2] | 366 | } |
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[78] | 367 | |
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[2] | 368 | pos = strchr (ptr, '\''); |
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[78] | 369 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 370 | { |
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[78] | 371 | state = in_char_comment; |
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| 372 | pattern = pos; |
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| 373 | length = 1; |
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[2] | 374 | } |
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[78] | 375 | |
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[2] | 376 | pos = strstr (ptr, "*/"); |
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[78] | 377 | if ((pos != 0) && (pos < pattern)) |
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[2] | 378 | { |
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[78] | 379 | state = in_line; |
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| 380 | pattern = pos; |
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| 381 | length = 2; |
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[2] | 382 | } |
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| 383 | |
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[78] | 384 | ptr = pattern + length; |
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[2] | 385 | |
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| 386 | return (ptr); |
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| 387 | } |
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| 388 | |
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| 389 | //-------------------------------------------------- |
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| 390 | static char* in_string_comment_action (char* ptr, state_def& state) |
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| 391 | { |
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| 392 | char* pos = strchr (ptr, '"'); |
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| 393 | if (pos == 0) |
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| 394 | { |
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| 395 | // This string is not finished till the end of the line.. |
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| 396 | // we expect it continues to the nex line... |
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| 397 | ptr += strlen (ptr); |
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| 398 | } |
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| 399 | else |
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| 400 | { |
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[78] | 401 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
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[2] | 402 | { |
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[78] | 403 | ptr = pos + 1; |
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[2] | 404 | } |
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| 405 | else |
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| 406 | { |
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[78] | 407 | ptr = pos + 1; |
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[2] | 408 | state = in_comment; |
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| 409 | } |
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| 410 | } |
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| 411 | |
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| 412 | return (ptr); |
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| 413 | } |
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| 414 | |
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| 415 | //-------------------------------------------------- |
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| 416 | static char* in_char_comment_action (char* ptr, state_def& state) |
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| 417 | { |
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| 418 | char* pos = strchr (ptr, '\''); |
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| 419 | if (pos == 0) |
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| 420 | { |
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| 421 | // This string is not finished till the end of the line.. |
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| 422 | // we expect it continues to the nex line... |
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| 423 | ptr += strlen (ptr); |
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| 424 | } |
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| 425 | else |
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| 426 | { |
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[78] | 427 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
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[2] | 428 | { |
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[78] | 429 | ptr = pos + 1; |
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[2] | 430 | } |
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| 431 | else |
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| 432 | { |
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[78] | 433 | ptr = pos + 1; |
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[2] | 434 | state = in_comment; |
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| 435 | } |
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[78] | 436 | pos--; |
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[2] | 437 | } |
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| 438 | |
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| 439 | return (ptr); |
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| 440 | } |
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| 441 | |
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| 442 | //-------------------------------------------------- |
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| 443 | static char* in_line_comment_action (char* ptr, state_def& state) |
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| 444 | { |
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| 445 | ptr += strlen (ptr); |
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[78] | 446 | state = in_line; |
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[2] | 447 | |
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| 448 | return (ptr); |
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| 449 | } |
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| 450 | |
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| 451 | //-------------------------------------------------- |
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[78] | 452 | static void build_deps_text (char* text, |
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| 453 | const cmt_string& dir_name, |
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| 454 | int current_path_index, |
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| 455 | const CmtSystem::cmt_string_vector& include_paths, |
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| 456 | const CmtSystem::cmt_string_vector& substitutions, |
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| 457 | CmtSystem::cmt_string_vector& all_deps, |
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| 458 | CmtSystem::cmt_string_vector& deps) |
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[2] | 459 | { |
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| 460 | Log; |
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| 461 | |
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[78] | 462 | int pos; |
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| 463 | int max_pos; |
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| 464 | int line_number = 1; |
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| 465 | |
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| 466 | log << "CMT> build_deps_text dir_name=" |
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| 467 | << dir_name << log_endl; |
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| 468 | |
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| 469 | pos = 0; |
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| 470 | max_pos = strlen (text); |
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| 471 | |
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| 472 | char* current = text; |
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| 473 | char* last = text + max_pos; |
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| 474 | |
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| 475 | state_def state = at_start; |
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| 476 | |
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| 477 | while (current < last) |
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[2] | 478 | { |
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[78] | 479 | char marker; |
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| 480 | char* marker_pos = 0; |
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[2] | 481 | |
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[78] | 482 | char* crnl = strstr (current, "\r\n"); |
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| 483 | char* nl = strchr (current, '\n'); |
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[2] | 484 | |
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[78] | 485 | char* first = nl; |
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| 486 | int length = 1; |
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[2] | 487 | |
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[78] | 488 | char* ptr = 0; |
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[2] | 489 | |
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[78] | 490 | if (crnl != 0) |
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| 491 | { |
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| 492 | // cr+nl has been found |
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| 493 | |
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| 494 | if (nl == 0) |
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[2] | 495 | { |
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[78] | 496 | // cr but no nl ?? |
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| 497 | first = crnl; |
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| 498 | length = 2; |
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[2] | 499 | } |
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[78] | 500 | else |
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| 501 | { |
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| 502 | // both cr+nl and nl found |
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| 503 | first = (nl < crnl) ? nl : crnl; |
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| 504 | length = (nl < crnl) ? 1 : 2; |
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| 505 | } |
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[2] | 506 | } |
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[78] | 507 | else |
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| 508 | { |
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| 509 | // no cr+nl but nl alone found |
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| 510 | first = nl; |
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| 511 | length = 1; |
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| 512 | } |
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| 513 | |
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| 514 | ptr = current; |
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| 515 | |
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| 516 | if (first == 0) |
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| 517 | { |
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| 518 | // neither nl nor cr+nl found => this is the last line |
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| 519 | |
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| 520 | marker_pos = 0; |
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| 521 | } |
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| 522 | else |
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| 523 | { |
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| 524 | marker_pos = first; |
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| 525 | marker = *marker_pos; |
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| 526 | *marker_pos = 0; |
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| 527 | } |
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| 528 | |
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| 529 | log << "CMT> build_deps_text2 line=[" |
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| 530 | << current << "]" << log_endl; |
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| 531 | |
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| 532 | while (strlen (ptr) > 0) |
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| 533 | { |
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| 534 | switch (state) |
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| 535 | { |
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| 536 | case at_start: |
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| 537 | ptr = at_start_action (ptr, |
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| 538 | state, |
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| 539 | dir_name, |
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| 540 | current_path_index, |
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| 541 | include_paths, |
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| 542 | substitutions, |
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| 543 | all_deps, |
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| 544 | deps); |
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| 545 | break; |
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| 546 | case in_line: |
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| 547 | ptr = in_line_action (ptr, state); |
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| 548 | break; |
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| 549 | case in_string: |
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| 550 | ptr = in_string_action (ptr, state); |
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| 551 | break; |
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| 552 | case in_char: |
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| 553 | ptr = in_char_action (ptr, state); |
---|
| 554 | break; |
---|
| 555 | case in_comment: |
---|
| 556 | ptr = in_comment_action (ptr, state); |
---|
| 557 | break; |
---|
| 558 | case in_string_comment: |
---|
| 559 | ptr = in_string_comment_action (ptr, state); |
---|
| 560 | break; |
---|
| 561 | case in_char_comment: |
---|
| 562 | ptr = in_char_comment_action (ptr, state); |
---|
| 563 | break; |
---|
| 564 | case in_line_comment: |
---|
[79] | 565 | ptr = in_line_comment_action (ptr, state); |
---|
[78] | 566 | break; |
---|
| 567 | } |
---|
| 568 | } |
---|
| 569 | |
---|
| 570 | if (state == in_line) state = at_start; |
---|
| 571 | line_number++; |
---|
| 572 | |
---|
| 573 | if (marker_pos != 0) |
---|
| 574 | { |
---|
| 575 | *marker_pos = marker; |
---|
| 576 | current = marker_pos + length; |
---|
| 577 | } |
---|
| 578 | else |
---|
| 579 | { |
---|
| 580 | break; |
---|
| 581 | } |
---|
[2] | 582 | } |
---|
| 583 | } |
---|
| 584 | |
---|
| 585 | //-------------------------------------------------- |
---|
| 586 | static int build_deps (const cmt_string& name, |
---|
| 587 | const cmt_string& dir_name, |
---|
| 588 | int current_path_index, |
---|
| 589 | const CmtSystem::cmt_string_vector& include_paths, |
---|
| 590 | const CmtSystem::cmt_string_vector& substitutions, |
---|
| 591 | CmtSystem::cmt_string_vector& all_deps, |
---|
| 592 | CmtSystem::cmt_string_vector& deps) |
---|
| 593 | { |
---|
| 594 | Log; |
---|
| 595 | |
---|
| 596 | int result = -1; |
---|
| 597 | cmt_string new_dir; |
---|
| 598 | |
---|
| 599 | log << "CMT> build_deps name=" << name << " dir_name=" |
---|
| 600 | << dir_name << log_endl; |
---|
| 601 | |
---|
| 602 | // |
---|
| 603 | // Return 0 when the file is found in the current directory |
---|
| 604 | // |
---|
| 605 | if (CmtSystem::test_file (name)) |
---|
| 606 | { |
---|
[78] | 607 | cmt_string text; |
---|
| 608 | |
---|
| 609 | text.read (name); |
---|
| 610 | |
---|
| 611 | char* ptr = &text[0]; |
---|
| 612 | CmtSystem::dirname (name, new_dir); |
---|
| 613 | |
---|
| 614 | build_deps_text (ptr, new_dir, current_path_index, |
---|
| 615 | include_paths, substitutions, |
---|
| 616 | all_deps, deps); |
---|
| 617 | return (0); |
---|
[2] | 618 | } |
---|
| 619 | |
---|
| 620 | cmt_string full_name; |
---|
| 621 | |
---|
| 622 | full_name = dir_name; |
---|
| 623 | full_name += CmtSystem::file_separator (); |
---|
| 624 | full_name += name; |
---|
| 625 | |
---|
| 626 | // |
---|
| 627 | // Return 1 when the file is found in the directory of the |
---|
| 628 | // upper level source file |
---|
| 629 | // |
---|
| 630 | if (CmtSystem::test_file (full_name)) |
---|
| 631 | { |
---|
[78] | 632 | cmt_string text; |
---|
| 633 | |
---|
| 634 | text.read (full_name); |
---|
| 635 | |
---|
| 636 | char* ptr = &text[0]; |
---|
| 637 | CmtSystem::dirname (full_name, new_dir); |
---|
| 638 | |
---|
| 639 | build_deps_text (ptr, new_dir, current_path_index, |
---|
| 640 | include_paths, substitutions, |
---|
| 641 | all_deps, deps); |
---|
| 642 | return (1); |
---|
[2] | 643 | } |
---|
| 644 | |
---|
| 645 | int path_index = -1; |
---|
| 646 | |
---|
| 647 | // |
---|
| 648 | // Return [path_index + 2] when the include file is found at one of |
---|
| 649 | // the include_paths |
---|
| 650 | // |
---|
| 651 | for (path_index = 0; path_index < include_paths.size (); path_index++) |
---|
| 652 | { |
---|
| 653 | full_name = include_paths[path_index]; |
---|
| 654 | full_name += CmtSystem::file_separator (); |
---|
| 655 | full_name += name; |
---|
| 656 | |
---|
| 657 | log << "CMT> build_deps2 full_name=" << full_name << log_endl; |
---|
| 658 | |
---|
| 659 | if (CmtSystem::test_file (full_name)) |
---|
| 660 | { |
---|
[78] | 661 | cmt_string text; |
---|
[2] | 662 | |
---|
[78] | 663 | text.read (full_name); |
---|
[2] | 664 | |
---|
[78] | 665 | char* ptr = &text[0]; |
---|
| 666 | CmtSystem::dirname (full_name, new_dir); |
---|
[2] | 667 | |
---|
[78] | 668 | log << "CMT> build_deps3 new_dir=" << new_dir << log_endl; |
---|
| 669 | |
---|
| 670 | build_deps_text (ptr, |
---|
| 671 | new_dir, |
---|
| 672 | path_index + 2, |
---|
| 673 | include_paths, |
---|
| 674 | substitutions, |
---|
| 675 | all_deps, |
---|
| 676 | deps); |
---|
| 677 | |
---|
| 678 | return (path_index + 2); |
---|
[2] | 679 | } |
---|
| 680 | } |
---|
| 681 | |
---|
| 682 | log << "CMT> build_deps3" << log_endl; |
---|
| 683 | |
---|
| 684 | return (-1); |
---|
| 685 | } |
---|
| 686 | |
---|
| 687 | //-------------------------------------------------------------------------- |
---|
| 688 | void DepsBuilder::clear () |
---|
| 689 | { |
---|
| 690 | m_include_paths.clear (); |
---|
| 691 | m_substitutions.clear (); |
---|
| 692 | } |
---|
| 693 | |
---|
| 694 | //-------------------------------------------------------------------------- |
---|
| 695 | void DepsBuilder::add (const cmt_string& path, const cmt_string& substitution) |
---|
| 696 | { |
---|
| 697 | if (path[path.size () - 1] == CmtSystem::file_separator ()) |
---|
| 698 | { |
---|
| 699 | cmt_string p = path; |
---|
| 700 | p.erase (path.size () - 1); |
---|
| 701 | m_include_paths.push_back (p); |
---|
| 702 | } |
---|
| 703 | else |
---|
| 704 | { |
---|
| 705 | m_include_paths.push_back (path); |
---|
| 706 | } |
---|
| 707 | |
---|
| 708 | m_substitutions.push_back (substitution); |
---|
| 709 | } |
---|
| 710 | |
---|
| 711 | //-------------------------------------------------------------------------- |
---|
| 712 | void DepsBuilder::add_includes (const Use& use) |
---|
| 713 | { |
---|
| 714 | Log; |
---|
| 715 | |
---|
| 716 | const Include::IncludeVector& includes = use.includes; |
---|
| 717 | int include_number; |
---|
| 718 | |
---|
| 719 | for (include_number = 0; |
---|
| 720 | include_number < includes.size (); |
---|
| 721 | include_number++) |
---|
| 722 | { |
---|
| 723 | const Include& include = includes[include_number]; |
---|
| 724 | |
---|
| 725 | cmt_string temp = include.name; |
---|
| 726 | cmt_string pattern; |
---|
| 727 | cmt_string name; |
---|
| 728 | char end_pattern; |
---|
| 729 | |
---|
| 730 | int start = 0; |
---|
| 731 | |
---|
| 732 | for (;;) |
---|
| 733 | { |
---|
| 734 | int begin; |
---|
| 735 | |
---|
| 736 | begin = temp.find (start, "${"); |
---|
| 737 | if (begin != cmt_string::npos) |
---|
| 738 | { |
---|
| 739 | end_pattern = '}'; |
---|
| 740 | } |
---|
| 741 | else |
---|
| 742 | { |
---|
| 743 | begin = temp.find (start, "$("); |
---|
| 744 | if (begin != cmt_string::npos) |
---|
| 745 | { |
---|
| 746 | end_pattern = ')'; |
---|
| 747 | } |
---|
| 748 | else |
---|
| 749 | { |
---|
| 750 | break; |
---|
| 751 | } |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | start = begin + 2; |
---|
| 755 | |
---|
| 756 | int end; |
---|
| 757 | end = temp.find (start, end_pattern); |
---|
| 758 | if (end == cmt_string::npos) break; |
---|
| 759 | if (end < begin) break; |
---|
| 760 | start = end + 1; |
---|
| 761 | |
---|
| 762 | temp.substr (begin, end - begin + 1, pattern); |
---|
| 763 | temp.substr (begin + 2, end - begin - 2, name); |
---|
| 764 | |
---|
| 765 | Symbol* macro = Symbol::find (name); |
---|
| 766 | if (macro != 0) |
---|
| 767 | { |
---|
| 768 | cmt_string value = macro->resolve_macro_value (); |
---|
| 769 | value += CmtSystem::file_separator (); |
---|
| 770 | temp.replace_all (pattern, value); |
---|
| 771 | } |
---|
| 772 | else |
---|
| 773 | { |
---|
| 774 | cmt_string value = CmtSystem::getenv (name); |
---|
| 775 | value += CmtSystem::file_separator (); |
---|
| 776 | temp.replace_all (pattern, value); |
---|
| 777 | } |
---|
| 778 | } |
---|
| 779 | |
---|
| 780 | log << "include = " << temp << log_endl; |
---|
| 781 | |
---|
| 782 | add (temp, include.name); |
---|
| 783 | } |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | //-------------------------------------------------------------------------- |
---|
| 787 | CmtSystem::cmt_string_vector& DepsBuilder::run (const cmt_string& file_name) |
---|
| 788 | { |
---|
[78] | 789 | Log; |
---|
| 790 | |
---|
| 791 | log << "Starting deps builder on " << file_name << log_endl; |
---|
| 792 | |
---|
| 793 | |
---|
[2] | 794 | m_deps.clear (); |
---|
| 795 | m_all_deps.clear (); |
---|
| 796 | |
---|
| 797 | cmt_string preprocessor; |
---|
| 798 | Symbol* macro = Symbol::find ("preprocessor_command"); |
---|
| 799 | if (macro != 0) |
---|
| 800 | { |
---|
| 801 | preprocessor = macro->resolve_macro_value (); |
---|
| 802 | } |
---|
| 803 | |
---|
| 804 | if (preprocessor == "") |
---|
| 805 | { |
---|
| 806 | // |
---|
| 807 | // Since no preprocessor command is defined, |
---|
| 808 | // we use the internal mechanism provided here. |
---|
| 809 | // |
---|
| 810 | cmt_string new_dir; |
---|
| 811 | |
---|
| 812 | CmtSystem::dirname (file_name, new_dir); |
---|
| 813 | |
---|
| 814 | build_deps (file_name, |
---|
| 815 | new_dir, |
---|
| 816 | 0, |
---|
| 817 | m_include_paths, |
---|
| 818 | m_substitutions, |
---|
| 819 | m_all_deps, |
---|
| 820 | m_deps); |
---|
| 821 | } |
---|
| 822 | else |
---|
| 823 | { |
---|
| 824 | // |
---|
| 825 | // An external preprocessor command is defined. We expect it |
---|
| 826 | // to follow a "standard" syntax for its output, ie: |
---|
| 827 | // o It starts with: |
---|
| 828 | // <module>.o: ... |
---|
| 829 | // o There may be many lines with trailing back-slashes |
---|
| 830 | // o All entries are space-separated |
---|
| 831 | // o One of the entries is the source file name itself |
---|
| 832 | // |
---|
| 833 | // The preprocessor command expects the list of -I options |
---|
| 834 | // (resolved from the "includes" macro) and the list of |
---|
| 835 | // -D/-U options (resolved from the "*_pp_*flags" macros) |
---|
| 836 | // |
---|
| 837 | |
---|
| 838 | // |
---|
| 839 | // Building the complete command (still the pp_*flags are |
---|
| 840 | // missing) |
---|
| 841 | // |
---|
| 842 | preprocessor += " "; |
---|
| 843 | macro = Symbol::find ("includes"); |
---|
| 844 | preprocessor += macro->resolve_macro_value (); |
---|
| 845 | preprocessor += " "; |
---|
| 846 | preprocessor += file_name; |
---|
| 847 | |
---|
| 848 | cmt_string output; |
---|
| 849 | |
---|
| 850 | CmtSystem::execute (preprocessor, output); |
---|
| 851 | |
---|
| 852 | // |
---|
| 853 | // Make the output as one single big line. |
---|
| 854 | // |
---|
| 855 | |
---|
| 856 | output.replace_all ("\n", " "); |
---|
| 857 | output.replace_all ("\\ ", " "); |
---|
| 858 | |
---|
| 859 | CmtSystem::cmt_string_vector files; |
---|
| 860 | |
---|
| 861 | CmtSystem::split (output, " \t", files); |
---|
| 862 | |
---|
| 863 | // |
---|
| 864 | // Analyze each entry |
---|
| 865 | // |
---|
| 866 | |
---|
| 867 | for (int i = 1; i < files.size (); i++) |
---|
| 868 | { |
---|
| 869 | const cmt_string& file = files[i]; |
---|
| 870 | if (file == file_name) continue; |
---|
| 871 | |
---|
| 872 | cmt_string dir; |
---|
| 873 | cmt_string name; |
---|
| 874 | cmt_string full_name; |
---|
| 875 | |
---|
| 876 | CmtSystem::dirname (file, dir); |
---|
| 877 | |
---|
| 878 | // |
---|
| 879 | // Only declared include_paths will be taken into account |
---|
| 880 | // Others are considered as system include paths. |
---|
| 881 | // |
---|
| 882 | |
---|
| 883 | for (int j = 0; j < m_include_paths.size (); j++) |
---|
| 884 | { |
---|
| 885 | const cmt_string& p = m_include_paths[j]; |
---|
| 886 | if (dir == p) |
---|
| 887 | { |
---|
| 888 | CmtSystem::basename (file, name); |
---|
| 889 | full_name = m_substitutions[j]; |
---|
| 890 | full_name += name; |
---|
| 891 | |
---|
| 892 | // |
---|
| 893 | // We add in the "m_deps" list the symbolic form |
---|
| 894 | // of the path rather that the expanded one. |
---|
| 895 | // |
---|
| 896 | |
---|
| 897 | m_deps.push_back (full_name); |
---|
| 898 | |
---|
| 899 | break; |
---|
| 900 | } |
---|
| 901 | } |
---|
| 902 | } |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | return (m_deps); |
---|
| 906 | } |
---|
| 907 | |
---|