[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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[663] | 4 | // Modified by Grigory Rybkin |
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[2] | 5 | // See the complete license in cmt_license.txt "http://www.cecill.info". |
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| 6 | //----------------------------------------------------------- |
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| 7 | |
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| 8 | #include "cmt_deps_builder.h" |
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| 9 | #include "cmt_system.h" |
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| 10 | #include "cmt_use.h" |
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| 11 | #include "cmt_include.h" |
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| 12 | #include "cmt_symbol.h" |
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| 13 | #include "cmt_log.h" |
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[588] | 14 | #include "cmt_error.h" |
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[2] | 15 | |
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| 16 | // |
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| 17 | // While parsing a C++ file, these are the possible usefull |
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| 18 | // states we can reach. |
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| 19 | // Each state correspond to a specific state action function. |
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| 20 | // |
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| 21 | enum state_def |
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[400] | 22 | { |
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| 23 | at_start, // beginning of the file |
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| 24 | in_line, // along a line |
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| 25 | in_string, // inside a quoted string |
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| 26 | in_char, // inside a quoted char |
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| 27 | in_comment, // inside a multi-line comment |
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| 28 | in_string_comment, // inside a quoted string in a comment |
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| 29 | in_char_comment, // inside a quoted char in a comment |
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| 30 | in_line_comment // inside a single-line comment |
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| 31 | }; |
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[2] | 32 | |
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| 33 | //-------------------------------------------------- |
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[427] | 34 | static int locate (const cmt_string& name, |
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| 35 | const cmt_string& dir_name, |
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| 36 | const CmtSystem::cmt_string_vector& include_paths, |
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| 37 | const CmtSystem::cmt_string_vector& substitutions, |
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| 38 | cmt_string& full_name); |
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[2] | 39 | |
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[427] | 40 | //-------------------------------------------------- |
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| 41 | static void build_deps_text (char* text, |
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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 | const DepsBuilder::HeaderFilters& header_filters, |
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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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[2] | 49 | |
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| 50 | //-------------------------------------------------- |
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| 51 | static void header_file_action (const char* header_file, |
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| 52 | const cmt_string& dir_name, |
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| 53 | int current_path_index, |
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| 54 | const CmtSystem::cmt_string_vector& include_paths, |
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| 55 | const CmtSystem::cmt_string_vector& substitutions, |
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[427] | 56 | const DepsBuilder::HeaderFilters& header_filters, |
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[2] | 57 | CmtSystem::cmt_string_vector& all_deps, |
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| 58 | CmtSystem::cmt_string_vector& deps) |
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| 59 | { |
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[78] | 60 | Log; |
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| 61 | |
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[2] | 62 | for (int i = 0; i < all_deps.size (); i++) |
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| 63 | { |
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[78] | 64 | const cmt_string& n = all_deps[i]; |
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| 65 | |
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| 66 | log << "CMT> check old header file name=" << n << " against " << header_file << log_endl; |
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| 67 | |
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[427] | 68 | if (n == header_file) return; |
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[2] | 69 | } |
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[427] | 70 | |
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| 71 | all_deps.push_back (header_file); |
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| 72 | |
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| 73 | cmt_string header_file_path; |
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| 74 | int path_index = locate (header_file, |
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| 75 | dir_name, |
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| 76 | include_paths, |
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| 77 | substitutions, |
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| 78 | header_file_path); |
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| 79 | |
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| 80 | if (path_index < 0) return; |
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| 81 | |
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| 82 | static int header_filters_size = header_filters.size (); |
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| 83 | if (header_filters_size > 0) |
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[2] | 84 | { |
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[427] | 85 | // check the filter macros from |
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| 86 | // find all macros named <package>_header_file_filter |
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| 87 | // for all those macros, get the regexp and check the matches against the header file name |
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| 88 | // if any match, select the stamp file instead of the header file |
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| 89 | // the stamp file might be either a conventional name |
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| 90 | // <package>/cmt/cmt_all_headers.stamp |
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| 91 | // or given in a macro eg <package>_header_stamp_file_name |
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| 92 | // |
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| 93 | for (int i = header_filters_size - 1; i >= 0; i--) |
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[2] | 94 | { |
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[427] | 95 | cmt_string stamp_file; |
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[588] | 96 | log << "|header_file_action> header " << header_file_path << " against stamp " << stamp_file << log_endl; |
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[427] | 97 | if (header_filters[i].use_stamp (header_file_path, stamp_file)) |
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[2] | 98 | { |
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[427] | 99 | bool included = false; |
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| 100 | for (int i = deps.size () - 1; i >= 0; i--) |
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[2] | 101 | { |
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[427] | 102 | if (deps[i] == stamp_file) |
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| 103 | { |
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| 104 | included = true; |
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| 105 | break; |
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| 106 | } |
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[2] | 107 | } |
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[427] | 108 | if (!included) deps.push_back (stamp_file); |
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| 109 | return; |
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[2] | 110 | } |
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| 111 | } |
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| 112 | } |
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[427] | 113 | |
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| 114 | log << "CMT> parsing new header file name=" << header_file << log_endl; |
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| 115 | |
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| 116 | /////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 117 | cmt_string text; |
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[588] | 118 | if (!text.read (header_file_path)) |
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| 119 | { |
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| 120 | CmtError::set (CmtError::file_access_error, header_file_path); |
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| 121 | return; |
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| 122 | } |
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[427] | 123 | char* ptr = &text[0]; |
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| 124 | cmt_string new_dir; |
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| 125 | CmtSystem::dirname (header_file_path, new_dir); |
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| 126 | |
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| 127 | if (path_index == 0 || path_index == 1) |
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| 128 | build_deps_text (ptr, new_dir, |
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| 129 | current_path_index, |
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| 130 | include_paths, substitutions, |
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| 131 | header_filters, |
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| 132 | all_deps, deps); |
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| 133 | else |
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| 134 | build_deps_text (ptr, new_dir, |
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| 135 | path_index, |
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| 136 | include_paths, substitutions, |
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| 137 | header_filters, |
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| 138 | all_deps, deps); |
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| 139 | /////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 140 | |
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| 141 | //path_index >= 0 |
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| 142 | |
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| 143 | cmt_string full_name; |
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| 144 | |
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| 145 | if (path_index == 1) |
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| 146 | { |
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| 147 | full_name = dir_name; |
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| 148 | full_name += CmtSystem::file_separator (); |
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| 149 | |
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| 150 | if (current_path_index >= 2) |
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| 151 | { |
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| 152 | full_name.replace (include_paths[current_path_index - 2], |
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| 153 | substitutions[current_path_index - 2]); |
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| 154 | } |
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| 155 | } |
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| 156 | else if (path_index > 1) |
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| 157 | { |
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| 158 | full_name = substitutions[path_index - 2]; |
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| 159 | full_name += CmtSystem::file_separator (); |
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| 160 | } |
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| 161 | |
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| 162 | full_name += header_file; |
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| 163 | |
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| 164 | deps.push_back (full_name); |
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[2] | 165 | } |
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| 166 | |
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| 167 | |
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| 168 | //-------------------------------------------------- |
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| 169 | static char* at_start_action (char* ptr, |
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| 170 | state_def& state, |
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| 171 | const cmt_string& dir_name, |
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| 172 | int current_path_index, |
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| 173 | const CmtSystem::cmt_string_vector& include_paths, |
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| 174 | const CmtSystem::cmt_string_vector& substitutions, |
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[427] | 175 | const DepsBuilder::HeaderFilters& header_filters, |
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[2] | 176 | CmtSystem::cmt_string_vector& all_deps, |
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| 177 | CmtSystem::cmt_string_vector& deps) |
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| 178 | { |
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[360] | 179 | |
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[2] | 180 | char term = 0; |
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[360] | 181 | // To ignore leading spaces and tabs |
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[399] | 182 | while ( (*ptr == ' ') || (*ptr == '\t')) |
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[400] | 183 | { |
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| 184 | ptr++; |
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| 185 | } |
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[2] | 186 | |
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| 187 | if (*ptr == '#') |
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| 188 | { |
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| 189 | ptr++; |
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[78] | 190 | |
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| 191 | // skip spaces |
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[399] | 192 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[78] | 193 | |
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[2] | 194 | if (!strncmp (ptr, "include", 7)) |
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| 195 | { |
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[78] | 196 | // We have a #include statement |
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| 197 | |
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[2] | 198 | ptr += 7; |
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| 199 | |
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[399] | 200 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[360] | 201 | |
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[2] | 202 | if (*ptr == '<') |
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| 203 | { |
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| 204 | term = '>'; |
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| 205 | ptr++; |
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| 206 | } |
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| 207 | else if (*ptr == '"') |
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| 208 | { |
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| 209 | term = '"'; |
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| 210 | ptr++; |
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| 211 | } |
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| 212 | else |
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| 213 | { |
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[78] | 214 | // empty #include statement?? |
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[2] | 215 | state = in_line; |
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| 216 | ptr += strlen (ptr); |
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| 217 | return (ptr); |
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| 218 | } |
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| 219 | } |
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| 220 | else |
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| 221 | { |
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[78] | 222 | // ignore other pre-processor statements |
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| 223 | |
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[2] | 224 | state = in_line; |
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| 225 | ptr += strlen (ptr); |
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| 226 | return (ptr); |
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| 227 | } |
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| 228 | } |
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[657] | 229 | else if (!strncmp (ptr, "include", 7) || |
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| 230 | !strncmp (ptr, "INCLUDE", 7)) |
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| 231 | // else if (!strncmp (ptr, " include", 13)) |
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[2] | 232 | { |
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[78] | 233 | // fortran include statement |
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| 234 | |
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[657] | 235 | ptr += 7; |
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| 236 | //ptr += 13; |
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[2] | 237 | |
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[399] | 238 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[78] | 239 | |
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[399] | 240 | if (*ptr == '\'') |
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[2] | 241 | { |
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[399] | 242 | term = '\''; |
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[2] | 243 | ptr++; |
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| 244 | } |
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[657] | 245 | else if (*ptr == '(') |
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| 246 | { |
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| 247 | term = ')'; |
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| 248 | ptr++; |
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| 249 | } |
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[2] | 250 | else |
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| 251 | { |
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| 252 | state = in_line; |
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| 253 | return (ptr); |
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| 254 | } |
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| 255 | } |
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[657] | 256 | /* |
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[399] | 257 | else if (!strncmp (ptr, "\tinclude", 8)) |
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[2] | 258 | { |
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[78] | 259 | // fortran include statement |
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| 260 | |
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[2] | 261 | ptr += 8; |
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| 262 | |
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[399] | 263 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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[78] | 264 | |
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[399] | 265 | if (*ptr == '\'') |
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[2] | 266 | { |
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[399] | 267 | term = '\''; |
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[2] | 268 | ptr++; |
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| 269 | } |
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| 270 | else |
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| 271 | { |
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| 272 | state = in_line; |
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| 273 | return (ptr); |
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| 274 | } |
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| 275 | } |
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[657] | 276 | */ |
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[2] | 277 | else |
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| 278 | { |
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| 279 | state = in_line; |
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| 280 | return (ptr); |
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| 281 | } |
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| 282 | |
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[78] | 283 | // At this point we do have to include a header file. |
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| 284 | |
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[2] | 285 | char* end; |
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| 286 | |
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| 287 | end = strchr (ptr, term); |
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| 288 | if (end != 0) |
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| 289 | { |
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| 290 | *end = 0; |
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| 291 | } |
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| 292 | |
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| 293 | const char* header_file = ptr; |
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| 294 | |
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| 295 | header_file_action (header_file, |
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| 296 | dir_name, |
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| 297 | current_path_index, |
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| 298 | include_paths, |
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| 299 | substitutions, |
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[427] | 300 | header_filters, |
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[2] | 301 | all_deps, |
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| 302 | deps); |
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| 303 | |
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| 304 | if (end != 0) |
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| 305 | { |
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| 306 | *end = term; |
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| 307 | } |
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| 308 | |
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| 309 | state = in_line; |
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| 310 | ptr += strlen (ptr); |
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| 311 | |
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| 312 | return (ptr); |
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| 313 | } |
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| 314 | |
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[78] | 315 | /** |
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| 316 | Any line with no header inclusion |
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| 317 | step through comments and strings |
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[400] | 318 | */ |
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[2] | 319 | static char* in_line_action (char* ptr, state_def& state) |
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| 320 | { |
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[657] | 321 | // char* pattern = ptr + strlen (ptr);\ |
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| 322 | // int length = 0; |
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[2] | 323 | |
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[78] | 324 | /* |
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| 325 | search for the first occurrence of |
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| 326 | {single-quote double-quote open-comment open-line-comment} |
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| 327 | |
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[399] | 328 | Must exclude escaped quotes \' and \" |
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[78] | 329 | */ |
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| 330 | |
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[657] | 331 | char* beg = ptr; |
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| 332 | while (char* p = strpbrk (beg, "\"\'/")) |
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| 333 | if (*p == '"') |
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| 334 | { |
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| 335 | if (p == ptr || (p > ptr && *(p - 1) != '\\')) |
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| 336 | { |
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| 337 | state = in_string; |
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| 338 | return p + 1; |
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| 339 | } |
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| 340 | else |
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| 341 | { // '"' is escaped |
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[658] | 342 | beg = p + 1; |
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[657] | 343 | } |
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| 344 | } |
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| 345 | else if (*p == '\'') |
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| 346 | { |
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| 347 | if (p == ptr || (p > ptr && *(p - 1) != '\\')) |
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| 348 | { |
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| 349 | state = in_char; |
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| 350 | return p + 1; |
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| 351 | } |
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| 352 | else |
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| 353 | { // '\'' is escaped |
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[658] | 354 | beg = p + 1; |
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[657] | 355 | } |
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| 356 | } |
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| 357 | else |
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| 358 | { // we have '/' |
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| 359 | if (*(p + 1) == '*') |
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| 360 | { |
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| 361 | state = in_comment; |
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| 362 | return p + 2; |
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| 363 | } |
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| 364 | else if (*(p + 1) == '/') |
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| 365 | { |
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| 366 | state = in_line_comment; |
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| 367 | return p + 2; |
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| 368 | } |
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| 369 | else |
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| 370 | { |
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[658] | 371 | beg = p + 1; |
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[657] | 372 | } |
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| 373 | } |
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| 374 | /* |
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[2] | 375 | char* pos = strchr (ptr, '"'); |
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[399] | 376 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 377 | { |
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[78] | 378 | state = in_string; |
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| 379 | pattern = pos; |
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| 380 | length = 1; |
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[2] | 381 | } |
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| 382 | |
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[399] | 383 | pos = strchr (ptr, '\''); |
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| 384 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 385 | { |
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[78] | 386 | state = in_char; |
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| 387 | pattern = pos; |
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| 388 | length = 1; |
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[2] | 389 | } |
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| 390 | |
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[657] | 391 | pos = strstr (ptr, "/*"); |
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[78] | 392 | if ((pos != 0) && (pos < pattern)) |
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[2] | 393 | { |
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[78] | 394 | state = in_comment; |
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| 395 | pattern = pos; |
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| 396 | length = 2; |
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[2] | 397 | } |
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| 398 | |
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| 399 | pos = strstr (ptr, "//"); |
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[78] | 400 | if ((pos != 0) && (pos < pattern)) |
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[2] | 401 | { |
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[78] | 402 | state = in_line_comment; |
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| 403 | pattern = pos; |
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| 404 | length = 2; |
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[2] | 405 | } |
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| 406 | |
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[78] | 407 | ptr = pattern + length; |
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[2] | 408 | return (ptr); |
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[657] | 409 | */ |
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| 410 | return ptr + strlen (ptr); |
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[2] | 411 | } |
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| 412 | |
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| 413 | //-------------------------------------------------- |
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| 414 | static char* in_string_action (char* ptr, state_def& state) |
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| 415 | { |
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[78] | 416 | // we exclusively look for a double quote |
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| 417 | |
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[2] | 418 | char* pos = strchr (ptr, '"'); |
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| 419 | if (pos == 0) |
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| 420 | { |
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[400] | 421 | // This string is not finished till the end of the line.. |
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| 422 | // we expect it to continue to the next line... |
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| 423 | // thus we leave the state as it is |
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[2] | 424 | ptr += strlen (ptr); |
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| 425 | } |
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| 426 | else |
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| 427 | { |
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[399] | 428 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
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[2] | 429 | { |
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[78] | 430 | ptr = pos + 1; |
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[2] | 431 | } |
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| 432 | else |
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| 433 | { |
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[78] | 434 | ptr = pos + 1; |
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[2] | 435 | state = in_line; |
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| 436 | } |
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| 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_char_action (char* ptr, state_def& state) |
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| 444 | { |
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[78] | 445 | // we exclusively look for a single quote |
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| 446 | |
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[399] | 447 | char* pos = strchr (ptr, '\''); |
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[2] | 448 | if (pos == 0) |
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| 449 | { |
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[400] | 450 | // This string is not finished till the end of the line.. |
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| 451 | // we expect it continues to the nex line... |
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| 452 | // thus we leave the state as it is |
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[2] | 453 | ptr += strlen (ptr); |
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| 454 | } |
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| 455 | else |
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| 456 | { |
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[399] | 457 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
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[2] | 458 | { |
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[78] | 459 | ptr = pos + 1; |
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[2] | 460 | } |
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| 461 | else |
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| 462 | { |
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[78] | 463 | ptr = pos + 1; |
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[2] | 464 | state = in_line; |
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| 465 | } |
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| 466 | } |
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| 467 | |
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| 468 | return (ptr); |
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| 469 | } |
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| 470 | |
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| 471 | //-------------------------------------------------- |
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| 472 | static char* in_comment_action (char* ptr, state_def& state) |
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| 473 | { |
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[78] | 474 | char* pattern = ptr + strlen (ptr); |
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[360] | 475 | int length = 0; |
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| 476 | char* pos; |
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| 477 | |
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[78] | 478 | |
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[400] | 479 | /* |
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[78] | 480 | Even if we are inside a comment, we must detect strings since comment markers may |
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| 481 | be written inside them. |
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[360] | 482 | |
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[400] | 483 | pos = strchr (ptr, '"'); |
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[360] | 484 | |
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[400] | 485 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 486 | { |
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[400] | 487 | state = in_string_comment; |
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| 488 | pattern = pos; |
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| 489 | length = 1; |
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[2] | 490 | } |
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[78] | 491 | |
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[400] | 492 | pos = strchr (ptr, '\''); |
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| 493 | if ((pos != 0) && (pos < pattern) && (pos > ptr) && (*(pos-1) != '\\')) |
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[2] | 494 | { |
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[400] | 495 | state = in_char_comment; |
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| 496 | pattern = pos; |
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| 497 | length = 1; |
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[2] | 498 | } |
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[400] | 499 | */ |
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[2] | 500 | pos = strstr (ptr, "*/"); |
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[78] | 501 | if ((pos != 0) && (pos < pattern)) |
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[2] | 502 | { |
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[360] | 503 | state = in_line; |
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[78] | 504 | pattern = pos; |
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[360] | 505 | length = 2; |
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[2] | 506 | } |
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| 507 | |
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[78] | 508 | ptr = pattern + length; |
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[2] | 509 | |
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| 510 | return (ptr); |
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| 511 | } |
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| 512 | |
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| 513 | //-------------------------------------------------- |
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| 514 | static char* in_string_comment_action (char* ptr, state_def& state) |
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| 515 | { |
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| 516 | char* pos = strchr (ptr, '"'); |
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| 517 | if (pos == 0) |
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| 518 | { |
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[400] | 519 | // This string is not finished till the end of the line.. |
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| 520 | // we expect it continues to the nex line... |
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[2] | 521 | ptr += strlen (ptr); |
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| 522 | } |
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| 523 | else |
---|
| 524 | { |
---|
[399] | 525 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
---|
[2] | 526 | { |
---|
[78] | 527 | ptr = pos + 1; |
---|
[2] | 528 | } |
---|
| 529 | else |
---|
| 530 | { |
---|
[78] | 531 | ptr = pos + 1; |
---|
[2] | 532 | state = in_comment; |
---|
| 533 | } |
---|
| 534 | } |
---|
| 535 | |
---|
| 536 | return (ptr); |
---|
| 537 | } |
---|
| 538 | |
---|
| 539 | //-------------------------------------------------- |
---|
| 540 | static char* in_char_comment_action (char* ptr, state_def& state) |
---|
| 541 | { |
---|
[399] | 542 | char* pos = strchr (ptr, '\''); |
---|
[2] | 543 | if (pos == 0) |
---|
| 544 | { |
---|
[400] | 545 | // This string is not finished till the end of the line.. |
---|
| 546 | // we expect it continues to the nex line... |
---|
[2] | 547 | ptr += strlen (ptr); |
---|
| 548 | } |
---|
| 549 | else |
---|
| 550 | { |
---|
[399] | 551 | if ((pos > ptr) && (*(pos - 1) == '\\')) |
---|
[2] | 552 | { |
---|
[78] | 553 | ptr = pos + 1; |
---|
[2] | 554 | } |
---|
| 555 | else |
---|
| 556 | { |
---|
[78] | 557 | ptr = pos + 1; |
---|
[2] | 558 | state = in_comment; |
---|
| 559 | } |
---|
[78] | 560 | pos--; |
---|
[2] | 561 | } |
---|
| 562 | |
---|
| 563 | return (ptr); |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | //-------------------------------------------------- |
---|
| 567 | static char* in_line_comment_action (char* ptr, state_def& state) |
---|
| 568 | { |
---|
[606] | 569 | // char * pos = strchr (ptr, '\\'); |
---|
[400] | 570 | /* Extend this part to deal with continuation character */ |
---|
[606] | 571 | // if ( (pos == NULL) || ( (ptr + strlen(ptr)-1)!=pos )) |
---|
| 572 | // { |
---|
| 573 | // state = in_line; |
---|
| 574 | // } |
---|
| 575 | /* We already deleted all backslash characters that with newline continue line */ |
---|
| 576 | state = in_line; |
---|
[360] | 577 | ptr += strlen (ptr); |
---|
| 578 | |
---|
[2] | 579 | return (ptr); |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | //-------------------------------------------------- |
---|
[78] | 583 | static void build_deps_text (char* text, |
---|
| 584 | const cmt_string& dir_name, |
---|
| 585 | int current_path_index, |
---|
| 586 | const CmtSystem::cmt_string_vector& include_paths, |
---|
| 587 | const CmtSystem::cmt_string_vector& substitutions, |
---|
[427] | 588 | const DepsBuilder::HeaderFilters& header_filters, |
---|
[78] | 589 | CmtSystem::cmt_string_vector& all_deps, |
---|
| 590 | CmtSystem::cmt_string_vector& deps) |
---|
[2] | 591 | { |
---|
| 592 | Log; |
---|
| 593 | |
---|
[78] | 594 | int line_number = 1; |
---|
| 595 | |
---|
[606] | 596 | log << "|build_deps_text> dir_name=" |
---|
[78] | 597 | << dir_name << log_endl; |
---|
| 598 | |
---|
| 599 | char* current = text; |
---|
[606] | 600 | char* nl; |
---|
| 601 | int length; |
---|
| 602 | char * ptr; |
---|
| 603 | char * begin = current; |
---|
[360] | 604 | |
---|
[78] | 605 | state_def state = at_start; |
---|
[360] | 606 | |
---|
[606] | 607 | // nl -> new line |
---|
| 608 | while (nl = strchr (begin, '\n')) |
---|
[2] | 609 | { |
---|
[606] | 610 | length = 0; |
---|
[2] | 611 | |
---|
[606] | 612 | if (begin < nl) |
---|
| 613 | { |
---|
| 614 | if (*(nl - 1) == '\\') |
---|
| 615 | { |
---|
| 616 | // erase backslash + newline (continuation character) |
---|
| 617 | // shift 2 |
---|
| 618 | begin = nl - 1; |
---|
| 619 | char *d = begin; |
---|
| 620 | char *s = nl + 1; |
---|
| 621 | while (*d++ = *s++) |
---|
| 622 | ; |
---|
| 623 | } |
---|
| 624 | else if (*(nl - 1) == '\r') |
---|
| 625 | { |
---|
| 626 | if ((begin < (nl - 1)) && (*(nl - 2) == '\\')) |
---|
| 627 | { |
---|
| 628 | // erase backslash + carriage return + newline (continuation character) |
---|
| 629 | // shift 3 |
---|
| 630 | begin = nl - 2; |
---|
| 631 | char *d = begin; |
---|
| 632 | char *s = nl + 1; |
---|
| 633 | while (*d++ = *s++) |
---|
| 634 | ; |
---|
| 635 | } |
---|
| 636 | else |
---|
| 637 | { |
---|
| 638 | // process line [current, nl - 1) |
---|
| 639 | length = 2; |
---|
| 640 | } |
---|
| 641 | } |
---|
| 642 | else |
---|
| 643 | { |
---|
| 644 | // process line [current, nl) |
---|
| 645 | length = 1; |
---|
| 646 | } |
---|
| 647 | } |
---|
[78] | 648 | else |
---|
| 649 | { |
---|
[606] | 650 | // process line [current, nl) |
---|
[78] | 651 | length = 1; |
---|
| 652 | } |
---|
[606] | 653 | |
---|
| 654 | if (0 == length) continue; |
---|
[78] | 655 | |
---|
[606] | 656 | if (1 == length) |
---|
| 657 | { |
---|
| 658 | *nl = 0; |
---|
| 659 | } |
---|
| 660 | else |
---|
| 661 | { |
---|
| 662 | *(nl - 1) = 0; |
---|
| 663 | } |
---|
| 664 | |
---|
[78] | 665 | ptr = current; |
---|
[606] | 666 | log << "|build_deps_text> line=[" |
---|
[78] | 667 | << current << "]" << log_endl; |
---|
| 668 | |
---|
| 669 | while (strlen (ptr) > 0) |
---|
| 670 | { |
---|
| 671 | switch (state) |
---|
| 672 | { |
---|
| 673 | case at_start: |
---|
| 674 | ptr = at_start_action (ptr, |
---|
| 675 | state, |
---|
| 676 | dir_name, |
---|
| 677 | current_path_index, |
---|
| 678 | include_paths, |
---|
| 679 | substitutions, |
---|
[606] | 680 | header_filters, |
---|
[78] | 681 | all_deps, |
---|
| 682 | deps); |
---|
| 683 | break; |
---|
| 684 | case in_line: |
---|
| 685 | ptr = in_line_action (ptr, state); |
---|
| 686 | break; |
---|
| 687 | case in_string: |
---|
| 688 | ptr = in_string_action (ptr, state); |
---|
| 689 | break; |
---|
| 690 | case in_char: |
---|
| 691 | ptr = in_char_action (ptr, state); |
---|
| 692 | break; |
---|
| 693 | case in_comment: |
---|
| 694 | ptr = in_comment_action (ptr, state); |
---|
| 695 | break; |
---|
| 696 | case in_string_comment: |
---|
| 697 | ptr = in_string_comment_action (ptr, state); |
---|
| 698 | break; |
---|
| 699 | case in_char_comment: |
---|
| 700 | ptr = in_char_comment_action (ptr, state); |
---|
| 701 | break; |
---|
| 702 | case in_line_comment: |
---|
[79] | 703 | ptr = in_line_comment_action (ptr, state); |
---|
[78] | 704 | break; |
---|
| 705 | } |
---|
[606] | 706 | } // while (strlen (ptr) > 0) |
---|
| 707 | |
---|
[657] | 708 | //if (state == in_line) state = at_start; |
---|
| 709 | switch (state) |
---|
| 710 | { |
---|
| 711 | case in_line: |
---|
| 712 | case in_line_comment: |
---|
| 713 | state = at_start; |
---|
| 714 | break; |
---|
| 715 | } |
---|
[78] | 716 | line_number++; |
---|
| 717 | |
---|
[606] | 718 | if (1 == length) |
---|
[78] | 719 | { |
---|
[606] | 720 | *nl = '\n'; |
---|
[78] | 721 | } |
---|
| 722 | else |
---|
| 723 | { |
---|
[606] | 724 | *(nl - 1) = '\r'; |
---|
[78] | 725 | } |
---|
[606] | 726 | current = nl + 1; |
---|
| 727 | begin = current; |
---|
| 728 | |
---|
| 729 | } // while (nl = ...) |
---|
| 730 | |
---|
| 731 | ptr = current; |
---|
| 732 | log << "|build_deps_text> line=[" |
---|
| 733 | << current << "]" << log_endl; |
---|
| 734 | |
---|
| 735 | while (strlen (ptr) > 0) |
---|
| 736 | { |
---|
| 737 | switch (state) |
---|
| 738 | { |
---|
| 739 | case at_start: |
---|
| 740 | ptr = at_start_action (ptr, |
---|
| 741 | state, |
---|
| 742 | dir_name, |
---|
| 743 | current_path_index, |
---|
| 744 | include_paths, |
---|
| 745 | substitutions, |
---|
| 746 | header_filters, |
---|
| 747 | all_deps, |
---|
| 748 | deps); |
---|
| 749 | break; |
---|
| 750 | case in_line: |
---|
| 751 | ptr = in_line_action (ptr, state); |
---|
| 752 | break; |
---|
| 753 | case in_string: |
---|
| 754 | ptr = in_string_action (ptr, state); |
---|
| 755 | break; |
---|
| 756 | case in_char: |
---|
| 757 | ptr = in_char_action (ptr, state); |
---|
| 758 | break; |
---|
| 759 | case in_comment: |
---|
| 760 | ptr = in_comment_action (ptr, state); |
---|
| 761 | break; |
---|
| 762 | case in_string_comment: |
---|
| 763 | ptr = in_string_comment_action (ptr, state); |
---|
| 764 | break; |
---|
| 765 | case in_char_comment: |
---|
| 766 | ptr = in_char_comment_action (ptr, state); |
---|
| 767 | break; |
---|
| 768 | case in_line_comment: |
---|
| 769 | ptr = in_line_comment_action (ptr, state); |
---|
| 770 | break; |
---|
| 771 | } |
---|
| 772 | } |
---|
| 773 | |
---|
[2] | 774 | } |
---|
| 775 | |
---|
| 776 | //-------------------------------------------------- |
---|
| 777 | static int build_deps (const cmt_string& name, |
---|
| 778 | const cmt_string& dir_name, |
---|
| 779 | int current_path_index, |
---|
| 780 | const CmtSystem::cmt_string_vector& include_paths, |
---|
| 781 | const CmtSystem::cmt_string_vector& substitutions, |
---|
[427] | 782 | const DepsBuilder::HeaderFilters& header_filters, |
---|
[2] | 783 | CmtSystem::cmt_string_vector& all_deps, |
---|
| 784 | CmtSystem::cmt_string_vector& deps) |
---|
| 785 | { |
---|
| 786 | Log; |
---|
| 787 | |
---|
| 788 | log << "CMT> build_deps name=" << name << " dir_name=" |
---|
| 789 | << dir_name << log_endl; |
---|
| 790 | |
---|
[427] | 791 | cmt_string full_name; |
---|
| 792 | int path_index = locate (name, |
---|
| 793 | dir_name, |
---|
| 794 | include_paths, |
---|
| 795 | substitutions, |
---|
| 796 | full_name); |
---|
| 797 | |
---|
| 798 | if (path_index >= 0) |
---|
| 799 | { |
---|
| 800 | cmt_string text; |
---|
[588] | 801 | if (!text.read (full_name)) |
---|
| 802 | { |
---|
| 803 | CmtError::set (CmtError::file_access_error, full_name); |
---|
| 804 | return -2; |
---|
| 805 | } |
---|
[427] | 806 | char* ptr = &text[0]; |
---|
| 807 | cmt_string new_dir; |
---|
| 808 | CmtSystem::dirname (full_name, new_dir); |
---|
| 809 | |
---|
| 810 | if (path_index == 0 || path_index == 1) |
---|
| 811 | build_deps_text (ptr, new_dir, |
---|
| 812 | current_path_index, |
---|
| 813 | include_paths, substitutions, |
---|
| 814 | header_filters, |
---|
| 815 | all_deps, deps); |
---|
| 816 | else |
---|
| 817 | build_deps_text (ptr, new_dir, |
---|
| 818 | path_index, |
---|
| 819 | include_paths, substitutions, |
---|
| 820 | header_filters, |
---|
| 821 | all_deps, deps); |
---|
| 822 | } |
---|
| 823 | if (path_index < 0) |
---|
| 824 | { |
---|
| 825 | log << "CMT> build_deps3" << log_endl; |
---|
[588] | 826 | CmtError::set (CmtError::path_not_found, name); |
---|
[427] | 827 | } |
---|
| 828 | return path_index; |
---|
| 829 | } |
---|
| 830 | |
---|
| 831 | //-------------------------------------------------- |
---|
| 832 | static int locate (const cmt_string& name, |
---|
| 833 | const cmt_string& dir_name, |
---|
| 834 | const CmtSystem::cmt_string_vector& include_paths, |
---|
| 835 | const CmtSystem::cmt_string_vector& substitutions, |
---|
| 836 | cmt_string& full_name) |
---|
| 837 | { |
---|
| 838 | Log; |
---|
| 839 | |
---|
| 840 | log << "CMT> locate name=" << name << " dir_name=" |
---|
| 841 | << dir_name << log_endl; |
---|
| 842 | |
---|
[400] | 843 | // |
---|
| 844 | // Return 0 when the file is found in the current directory |
---|
| 845 | // |
---|
[2] | 846 | if (CmtSystem::test_file (name)) |
---|
| 847 | { |
---|
[427] | 848 | full_name = name; |
---|
[78] | 849 | return (0); |
---|
[2] | 850 | } |
---|
| 851 | |
---|
[427] | 852 | cmt_string p; |
---|
[2] | 853 | |
---|
[400] | 854 | // |
---|
| 855 | // Return 1 when the file is found in the directory of the |
---|
| 856 | // upper level source file |
---|
| 857 | // |
---|
[427] | 858 | p = dir_name; |
---|
| 859 | p += CmtSystem::file_separator (); |
---|
| 860 | p += name; |
---|
| 861 | if (CmtSystem::test_file (p)) |
---|
[2] | 862 | { |
---|
[427] | 863 | full_name = p; |
---|
[78] | 864 | return (1); |
---|
[2] | 865 | } |
---|
| 866 | |
---|
[400] | 867 | // |
---|
| 868 | // Return [path_index + 2] when the include file is found at one of |
---|
| 869 | // the include_paths |
---|
| 870 | // |
---|
[427] | 871 | for (int path_index = 0; path_index < include_paths.size (); path_index++) |
---|
[2] | 872 | { |
---|
[427] | 873 | p = include_paths[path_index]; |
---|
| 874 | p += CmtSystem::file_separator (); |
---|
| 875 | p += name; |
---|
[2] | 876 | |
---|
[427] | 877 | log << "CMT> locate2 full_name=" << p << log_endl; |
---|
[2] | 878 | |
---|
[427] | 879 | if (CmtSystem::test_file (p)) |
---|
[2] | 880 | { |
---|
[427] | 881 | full_name = p; |
---|
[78] | 882 | return (path_index + 2); |
---|
[2] | 883 | } |
---|
| 884 | } |
---|
| 885 | |
---|
[427] | 886 | log << "CMT> locate3" << log_endl; |
---|
[2] | 887 | |
---|
| 888 | return (-1); |
---|
| 889 | } |
---|
| 890 | |
---|
| 891 | //-------------------------------------------------------------------------- |
---|
[588] | 892 | DepsBuilder::DepsBuilder () |
---|
| 893 | { } |
---|
| 894 | |
---|
| 895 | //-------------------------------------------------------------------------- |
---|
| 896 | DepsBuilder::~DepsBuilder () |
---|
| 897 | { |
---|
| 898 | clear (); |
---|
| 899 | } |
---|
| 900 | |
---|
| 901 | //-------------------------------------------------------------------------- |
---|
[2] | 902 | void DepsBuilder::clear () |
---|
| 903 | { |
---|
| 904 | m_include_paths.clear (); |
---|
| 905 | m_substitutions.clear (); |
---|
[427] | 906 | for (int i = m_header_filters.size () - 1; i >= 0; i--) |
---|
| 907 | { |
---|
| 908 | m_header_filters[i].clear (); |
---|
| 909 | } |
---|
| 910 | m_header_filters.clear (); |
---|
[588] | 911 | m_deps.clear (); |
---|
| 912 | m_all_deps.clear (); |
---|
[2] | 913 | } |
---|
| 914 | |
---|
| 915 | //-------------------------------------------------------------------------- |
---|
| 916 | void DepsBuilder::add (const cmt_string& path, const cmt_string& substitution) |
---|
| 917 | { |
---|
[427] | 918 | if (path.size () == 0) |
---|
| 919 | { |
---|
| 920 | return; |
---|
| 921 | } |
---|
[588] | 922 | |
---|
| 923 | cmt_string p = path; |
---|
[2] | 924 | if (path[path.size () - 1] == CmtSystem::file_separator ()) |
---|
| 925 | { |
---|
[588] | 926 | p = path.substr(0, path.size () - 1); |
---|
[2] | 927 | } |
---|
[588] | 928 | for (int k = m_include_paths.size () - 1; k >= 0; k--) |
---|
| 929 | if (m_include_paths[k] == p) |
---|
| 930 | { |
---|
| 931 | return; |
---|
| 932 | } |
---|
| 933 | |
---|
| 934 | m_include_paths.push_back (p); |
---|
[2] | 935 | m_substitutions.push_back (substitution); |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | //-------------------------------------------------------------------------- |
---|
| 939 | void DepsBuilder::add_includes (const Use& use) |
---|
| 940 | { |
---|
| 941 | Log; |
---|
| 942 | |
---|
| 943 | const Include::IncludeVector& includes = use.includes; |
---|
| 944 | int include_number; |
---|
| 945 | |
---|
| 946 | for (include_number = 0; |
---|
| 947 | include_number < includes.size (); |
---|
| 948 | include_number++) |
---|
| 949 | { |
---|
| 950 | const Include& include = includes[include_number]; |
---|
| 951 | |
---|
| 952 | cmt_string temp = include.name; |
---|
| 953 | cmt_string pattern; |
---|
| 954 | cmt_string name; |
---|
| 955 | char end_pattern; |
---|
| 956 | |
---|
| 957 | int start = 0; |
---|
| 958 | |
---|
| 959 | for (;;) |
---|
| 960 | { |
---|
| 961 | int begin; |
---|
| 962 | |
---|
| 963 | begin = temp.find (start, "${"); |
---|
| 964 | if (begin != cmt_string::npos) |
---|
| 965 | { |
---|
| 966 | end_pattern = '}'; |
---|
| 967 | } |
---|
| 968 | else |
---|
| 969 | { |
---|
| 970 | begin = temp.find (start, "$("); |
---|
| 971 | if (begin != cmt_string::npos) |
---|
| 972 | { |
---|
| 973 | end_pattern = ')'; |
---|
| 974 | } |
---|
| 975 | else |
---|
| 976 | { |
---|
| 977 | break; |
---|
| 978 | } |
---|
| 979 | } |
---|
| 980 | |
---|
| 981 | start = begin + 2; |
---|
| 982 | |
---|
| 983 | int end; |
---|
| 984 | end = temp.find (start, end_pattern); |
---|
| 985 | if (end == cmt_string::npos) break; |
---|
| 986 | if (end < begin) break; |
---|
| 987 | start = end + 1; |
---|
| 988 | |
---|
| 989 | temp.substr (begin, end - begin + 1, pattern); |
---|
| 990 | temp.substr (begin + 2, end - begin - 2, name); |
---|
| 991 | |
---|
| 992 | Symbol* macro = Symbol::find (name); |
---|
| 993 | if (macro != 0) |
---|
| 994 | { |
---|
| 995 | cmt_string value = macro->resolve_macro_value (); |
---|
| 996 | value += CmtSystem::file_separator (); |
---|
| 997 | temp.replace_all (pattern, value); |
---|
| 998 | } |
---|
| 999 | else |
---|
| 1000 | { |
---|
| 1001 | cmt_string value = CmtSystem::getenv (name); |
---|
| 1002 | value += CmtSystem::file_separator (); |
---|
| 1003 | temp.replace_all (pattern, value); |
---|
| 1004 | } |
---|
| 1005 | } |
---|
| 1006 | |
---|
| 1007 | log << "include = " << temp << log_endl; |
---|
| 1008 | |
---|
| 1009 | add (temp, include.name); |
---|
| 1010 | } |
---|
| 1011 | } |
---|
| 1012 | |
---|
| 1013 | //-------------------------------------------------------------------------- |
---|
[588] | 1014 | CmtSystem::cmt_string_vector& DepsBuilder::run (const cmt_string& file_name, |
---|
| 1015 | const cmt_string& constituent_name) |
---|
[2] | 1016 | { |
---|
[78] | 1017 | Log; |
---|
| 1018 | |
---|
| 1019 | log << "Starting deps builder on " << file_name << log_endl; |
---|
[588] | 1020 | CmtMessage::info ("calculating dependencies for " + file_name); |
---|
[78] | 1021 | |
---|
[2] | 1022 | m_deps.clear (); |
---|
| 1023 | m_all_deps.clear (); |
---|
| 1024 | |
---|
| 1025 | cmt_string preprocessor; |
---|
| 1026 | Symbol* macro = Symbol::find ("preprocessor_command"); |
---|
| 1027 | if (macro != 0) |
---|
| 1028 | { |
---|
| 1029 | preprocessor = macro->resolve_macro_value (); |
---|
| 1030 | } |
---|
| 1031 | |
---|
| 1032 | if (preprocessor == "") |
---|
| 1033 | { |
---|
[400] | 1034 | // |
---|
| 1035 | // Since no preprocessor command is defined, |
---|
| 1036 | // we use the internal mechanism provided here. |
---|
| 1037 | // |
---|
[2] | 1038 | cmt_string new_dir; |
---|
| 1039 | |
---|
| 1040 | CmtSystem::dirname (file_name, new_dir); |
---|
| 1041 | |
---|
| 1042 | build_deps (file_name, |
---|
| 1043 | new_dir, |
---|
| 1044 | 0, |
---|
| 1045 | m_include_paths, |
---|
| 1046 | m_substitutions, |
---|
[427] | 1047 | m_header_filters, |
---|
[2] | 1048 | m_all_deps, |
---|
| 1049 | m_deps); |
---|
| 1050 | } |
---|
| 1051 | else |
---|
| 1052 | { |
---|
[400] | 1053 | // |
---|
| 1054 | // An external preprocessor command is defined. We expect it |
---|
| 1055 | // to follow a "standard" syntax for its output, ie: |
---|
| 1056 | // o It starts with: |
---|
| 1057 | // <module>.o: ... |
---|
| 1058 | // o There may be many lines with trailing back-slashes |
---|
| 1059 | // o All entries are space-separated |
---|
| 1060 | // o One of the entries is the source file name itself |
---|
| 1061 | // |
---|
| 1062 | // The preprocessor command expects the list of -I options |
---|
| 1063 | // (resolved from the "includes" macro) and the list of |
---|
| 1064 | // -D/-U options (resolved from the "*_pp_*flags" macros) |
---|
| 1065 | // |
---|
[2] | 1066 | |
---|
[400] | 1067 | // |
---|
| 1068 | // Building the complete command (still the pp_*flags are |
---|
| 1069 | // missing) |
---|
| 1070 | // |
---|
[2] | 1071 | macro = Symbol::find ("includes"); |
---|
[588] | 1072 | if (0 != macro) |
---|
| 1073 | { |
---|
| 1074 | preprocessor += " "; |
---|
| 1075 | preprocessor += macro->resolve_macro_value (); |
---|
| 1076 | } |
---|
| 1077 | macro = Symbol::find ("app_" + constituent_name + "_cppflags"); |
---|
| 1078 | if (0 != macro) |
---|
| 1079 | { |
---|
| 1080 | preprocessor += " "; |
---|
| 1081 | preprocessor += macro->resolve_macro_value (); |
---|
| 1082 | } |
---|
| 1083 | macro = Symbol::find ("lib_" + constituent_name + "_cppflags"); |
---|
| 1084 | if (0 != macro) |
---|
| 1085 | { |
---|
| 1086 | preprocessor += " "; |
---|
| 1087 | preprocessor += macro->resolve_macro_value (); |
---|
| 1088 | } |
---|
| 1089 | |
---|
[2] | 1090 | preprocessor += " "; |
---|
| 1091 | preprocessor += file_name; |
---|
| 1092 | |
---|
| 1093 | cmt_string output; |
---|
| 1094 | |
---|
[588] | 1095 | int status = CmtSystem::execute (preprocessor, output); |
---|
| 1096 | if (0 != status) |
---|
| 1097 | { |
---|
| 1098 | CmtError::set (CmtError::execution_failed, preprocessor, status); |
---|
| 1099 | return m_deps; |
---|
| 1100 | } |
---|
[2] | 1101 | |
---|
[400] | 1102 | // |
---|
| 1103 | // Make the output as one single big line. |
---|
| 1104 | // |
---|
[2] | 1105 | |
---|
[399] | 1106 | output.replace_all ("\n", " "); |
---|
| 1107 | output.replace_all ("\\ ", " "); |
---|
[2] | 1108 | |
---|
| 1109 | CmtSystem::cmt_string_vector files; |
---|
| 1110 | |
---|
[399] | 1111 | CmtSystem::split (output, " \t", files); |
---|
[2] | 1112 | |
---|
[400] | 1113 | // |
---|
| 1114 | // Analyze each entry |
---|
| 1115 | // |
---|
[2] | 1116 | |
---|
| 1117 | for (int i = 1; i < files.size (); i++) |
---|
| 1118 | { |
---|
| 1119 | const cmt_string& file = files[i]; |
---|
| 1120 | if (file == file_name) continue; |
---|
| 1121 | |
---|
| 1122 | cmt_string dir; |
---|
| 1123 | cmt_string name; |
---|
| 1124 | cmt_string full_name; |
---|
| 1125 | |
---|
| 1126 | CmtSystem::dirname (file, dir); |
---|
| 1127 | |
---|
[400] | 1128 | // |
---|
| 1129 | // Only declared include_paths will be taken into account |
---|
| 1130 | // Others are considered as system include paths. |
---|
| 1131 | // |
---|
[2] | 1132 | |
---|
| 1133 | for (int j = 0; j < m_include_paths.size (); j++) |
---|
| 1134 | { |
---|
| 1135 | const cmt_string& p = m_include_paths[j]; |
---|
| 1136 | if (dir == p) |
---|
| 1137 | { |
---|
| 1138 | CmtSystem::basename (file, name); |
---|
| 1139 | full_name = m_substitutions[j]; |
---|
| 1140 | full_name += name; |
---|
| 1141 | |
---|
[400] | 1142 | // |
---|
| 1143 | // We add in the "m_deps" list the symbolic form |
---|
| 1144 | // of the path rather that the expanded one. |
---|
| 1145 | // |
---|
[2] | 1146 | |
---|
| 1147 | m_deps.push_back (full_name); |
---|
| 1148 | |
---|
| 1149 | break; |
---|
| 1150 | } |
---|
| 1151 | } |
---|
| 1152 | } |
---|
| 1153 | } |
---|
| 1154 | |
---|
| 1155 | return (m_deps); |
---|
| 1156 | } |
---|
| 1157 | |
---|
[427] | 1158 | //-------------------------------------------------------------------------- |
---|
[588] | 1159 | void DepsBuilder::add_header_filter (const Use* use, cmt_regexp* filter, const cmt_string& stamp) |
---|
[427] | 1160 | { |
---|
| 1161 | add_header_filter (HeaderFilter (use, filter, stamp)); |
---|
| 1162 | } |
---|
| 1163 | |
---|
| 1164 | //-------------------------------------------------------------------------- |
---|
| 1165 | void DepsBuilder::add_header_filter (const HeaderFilter& hf) |
---|
| 1166 | { |
---|
| 1167 | m_header_filters.push_back (hf); |
---|
| 1168 | } |
---|