[1] | 1 | |
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| 2 | #include "cmt_deps_builder.h" |
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| 3 | #include "cmt_system.h" |
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| 4 | #include "cmt_use.h" |
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| 5 | #include "cmt_include.h" |
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| 6 | #include "cmt_symbol.h" |
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| 7 | |
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| 8 | // |
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| 9 | // While parsing a C++ file, these are the possible usefull |
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| 10 | // states we can reach. |
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| 11 | // Each state correspond to a specific state action function. |
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| 12 | // |
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| 13 | enum state_def |
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| 14 | { |
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| 15 | at_start, // beginning of the file |
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| 16 | in_line, // along a line |
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| 17 | in_string, // inside a quoted string |
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| 18 | in_char, // inside a quoted char |
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| 19 | in_comment, // inside a multi-line comment |
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| 20 | in_string_comment, // inside a quoted string in a comment |
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| 21 | in_char_comment, // inside a quoted char in a comment |
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| 22 | in_line_comment // inside a single-line comment |
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| 23 | }; |
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| 24 | |
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| 25 | //-------------------------------------------------- |
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| 26 | static int build_deps (const cmt_string& name, |
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| 27 | const cmt_string& dir_name, |
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| 28 | int current_path_index, |
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| 29 | const CmtSystem::cmt_string_vector& include_paths, |
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| 30 | const CmtSystem::cmt_string_vector& substitutions, |
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| 31 | CmtSystem::cmt_string_vector& all_deps, |
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| 32 | CmtSystem::cmt_string_vector& deps); |
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| 33 | //-------------------------------------------------- |
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| 34 | |
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| 35 | |
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| 36 | //-------------------------------------------------- |
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| 37 | static void header_file_action (const char* header_file, |
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| 38 | const cmt_string& dir_name, |
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| 39 | int current_path_index, |
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| 40 | const CmtSystem::cmt_string_vector& include_paths, |
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| 41 | const CmtSystem::cmt_string_vector& substitutions, |
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| 42 | CmtSystem::cmt_string_vector& all_deps, |
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| 43 | CmtSystem::cmt_string_vector& deps) |
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| 44 | { |
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| 45 | bool found = false; |
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| 46 | |
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| 47 | for (int i = 0; i < all_deps.size (); i++) |
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| 48 | { |
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| 49 | if (all_deps[i] == header_file) |
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| 50 | { |
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| 51 | found = true; |
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| 52 | break; |
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| 53 | } |
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| 54 | } |
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| 55 | |
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| 56 | if (!found) |
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| 57 | { |
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| 58 | all_deps.push_back (header_file); |
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| 59 | |
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| 60 | int path_index = build_deps (header_file, |
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| 61 | dir_name, |
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| 62 | current_path_index, |
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| 63 | include_paths, |
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| 64 | substitutions, |
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| 65 | all_deps, |
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| 66 | deps); |
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| 67 | |
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| 68 | if (path_index >= 0) |
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| 69 | { |
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| 70 | cmt_string full_name; |
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| 71 | |
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| 72 | if (path_index == 1) |
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| 73 | { |
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| 74 | full_name = dir_name; |
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| 75 | full_name += CmtSystem::file_separator (); |
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| 76 | |
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| 77 | if (current_path_index >= 2) |
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| 78 | { |
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| 79 | full_name.replace (include_paths[current_path_index - 2], |
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| 80 | substitutions[current_path_index - 2]); |
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| 81 | } |
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| 82 | } |
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| 83 | else if (path_index > 1) |
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| 84 | { |
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| 85 | full_name = substitutions[path_index - 2]; |
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| 86 | full_name += CmtSystem::file_separator (); |
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| 87 | } |
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| 88 | |
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| 89 | full_name += header_file; |
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| 90 | |
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| 91 | deps.push_back (full_name); |
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| 92 | } |
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| 93 | } |
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| 94 | } |
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| 95 | |
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| 96 | |
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| 97 | //-------------------------------------------------- |
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| 98 | static char* at_start_action (char* ptr, |
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| 99 | state_def& state, |
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| 100 | const cmt_string& dir_name, |
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| 101 | int current_path_index, |
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| 102 | const CmtSystem::cmt_string_vector& include_paths, |
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| 103 | const CmtSystem::cmt_string_vector& substitutions, |
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| 104 | CmtSystem::cmt_string_vector& all_deps, |
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| 105 | CmtSystem::cmt_string_vector& deps) |
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| 106 | //-------------------------------------------------- |
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| 107 | { |
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| 108 | char term = 0; |
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| 109 | |
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| 110 | if (*ptr == '#') |
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| 111 | { |
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| 112 | ptr++; |
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| 113 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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| 114 | if (!strncmp (ptr, "include", 7)) |
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| 115 | { |
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| 116 | ptr += 7; |
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| 117 | |
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| 118 | while (*ptr == ' ') ptr++; |
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| 119 | if (*ptr == '<') |
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| 120 | { |
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| 121 | term = '>'; |
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| 122 | ptr++; |
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| 123 | } |
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| 124 | else if (*ptr == '"') |
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| 125 | { |
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| 126 | term = '"'; |
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| 127 | ptr++; |
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| 128 | } |
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| 129 | else |
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| 130 | { |
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| 131 | state = in_line; |
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| 132 | ptr += strlen (ptr); |
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| 133 | return (ptr); |
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| 134 | } |
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| 135 | } |
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| 136 | else |
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| 137 | { |
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| 138 | state = in_line; |
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| 139 | ptr += strlen (ptr); |
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| 140 | return (ptr); |
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| 141 | } |
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| 142 | } |
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| 143 | else if (!strncmp (ptr, " include", 13)) |
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| 144 | { |
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| 145 | ptr += 13; |
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| 146 | |
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| 147 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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| 148 | if (*ptr == '\'') |
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| 149 | { |
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| 150 | term = '\''; |
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| 151 | ptr++; |
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| 152 | } |
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| 153 | else |
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| 154 | { |
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| 155 | state = in_line; |
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| 156 | return (ptr); |
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| 157 | } |
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| 158 | } |
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| 159 | else if (!strncmp (ptr, "\tinclude", 8)) |
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| 160 | { |
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| 161 | ptr += 8; |
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| 162 | |
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| 163 | while ((*ptr == ' ') || (*ptr == '\t')) ptr++; |
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| 164 | if (*ptr == '\'') |
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| 165 | { |
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| 166 | term = '\''; |
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| 167 | ptr++; |
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| 168 | } |
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| 169 | else |
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| 170 | { |
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| 171 | state = in_line; |
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| 172 | return (ptr); |
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| 173 | } |
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| 174 | } |
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| 175 | else |
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| 176 | { |
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| 177 | state = in_line; |
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| 178 | return (ptr); |
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| 179 | } |
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| 180 | |
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| 181 | char* end; |
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| 182 | |
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| 183 | end = strchr (ptr, term); |
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| 184 | if (end != 0) |
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| 185 | { |
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| 186 | *end = 0; |
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| 187 | } |
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| 188 | |
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| 189 | const char* header_file = ptr; |
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| 190 | |
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| 191 | header_file_action (header_file, |
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| 192 | dir_name, |
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| 193 | current_path_index, |
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| 194 | include_paths, |
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| 195 | substitutions, |
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| 196 | all_deps, |
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| 197 | deps); |
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| 198 | |
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| 199 | if (end != 0) |
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| 200 | { |
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| 201 | *end = term; |
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| 202 | } |
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| 203 | |
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| 204 | state = in_line; |
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| 205 | ptr += strlen (ptr); |
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| 206 | |
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| 207 | return (ptr); |
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| 208 | } |
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| 209 | |
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| 210 | //-------------------------------------------------- |
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| 211 | static char* in_line_action (char* ptr, state_def& state) |
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| 212 | //-------------------------------------------------- |
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| 213 | { |
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| 214 | char* pattern = &ptr[strlen (ptr)]; |
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| 215 | |
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| 216 | char* pos = strchr (ptr, '"'); |
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| 217 | if (pos != 0) |
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| 218 | { |
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| 219 | if (pos < pattern) |
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| 220 | { |
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| 221 | state = in_string; |
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| 222 | pattern = pos; |
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| 223 | } |
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| 224 | } |
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| 225 | |
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| 226 | pos = strchr (ptr, '\''); |
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| 227 | if (pos != 0) |
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| 228 | { |
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| 229 | if (pos < pattern) |
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| 230 | { |
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| 231 | state = in_char; |
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| 232 | pattern = pos; |
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| 233 | } |
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| 234 | } |
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| 235 | |
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| 236 | pos = strstr (ptr, "/*"); |
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| 237 | if (pos != 0) |
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| 238 | { |
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| 239 | if (pos < pattern) |
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| 240 | { |
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| 241 | state = in_comment; |
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| 242 | pattern = pos + 1; |
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| 243 | } |
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| 244 | } |
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| 245 | |
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| 246 | pos = strstr (ptr, "//"); |
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| 247 | if (pos != 0) |
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| 248 | { |
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| 249 | if (pos < pattern) |
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| 250 | { |
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| 251 | state = in_line_comment; |
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| 252 | pattern = pos + 1; |
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| 253 | } |
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| 254 | } |
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| 255 | |
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| 256 | if (state != in_line) |
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| 257 | { |
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| 258 | ptr = pattern + 1; |
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| 259 | } |
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| 260 | else |
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| 261 | { |
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| 262 | ptr += strlen (ptr); |
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| 263 | } |
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| 264 | |
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| 265 | return (ptr); |
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| 266 | } |
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| 267 | |
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| 268 | //-------------------------------------------------- |
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| 269 | static char* in_string_action (char* ptr, state_def& state) |
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| 270 | //-------------------------------------------------- |
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| 271 | { |
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| 272 | char* pos = strchr (ptr, '"'); |
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| 273 | if (pos == 0) |
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| 274 | { |
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| 275 | // This string is not finished till the end of the line.. |
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| 276 | // we expect it continues to the nex line... |
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| 277 | ptr += strlen (ptr); |
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| 278 | } |
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| 279 | else |
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| 280 | { |
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| 281 | pos--; |
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| 282 | if (*pos == '\\') |
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| 283 | { |
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| 284 | ptr = pos + 2; |
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| 285 | } |
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| 286 | else |
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| 287 | { |
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| 288 | ptr = pos + 2; |
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| 289 | state = in_line; |
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| 290 | } |
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| 291 | } |
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| 292 | |
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| 293 | return (ptr); |
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| 294 | } |
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| 295 | |
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| 296 | //-------------------------------------------------- |
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| 297 | static char* in_char_action (char* ptr, state_def& state) |
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| 298 | //-------------------------------------------------- |
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| 299 | { |
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| 300 | char* pos = strchr (ptr, '\''); |
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| 301 | if (pos == 0) |
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| 302 | { |
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| 303 | // This string is not finished till the end of the line.. |
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| 304 | // we expect it continues to the nex line... |
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| 305 | ptr += strlen (ptr); |
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| 306 | } |
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| 307 | else |
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| 308 | { |
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| 309 | pos--; |
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| 310 | if (*pos == '\\') |
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| 311 | { |
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| 312 | ptr = pos + 2; |
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| 313 | } |
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| 314 | else |
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| 315 | { |
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| 316 | ptr = pos + 2; |
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| 317 | state = in_line; |
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| 318 | } |
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| 319 | } |
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| 320 | |
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| 321 | return (ptr); |
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| 322 | } |
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| 323 | |
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| 324 | //-------------------------------------------------- |
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| 325 | static char* in_comment_action (char* ptr, state_def& state) |
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| 326 | //-------------------------------------------------- |
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| 327 | { |
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| 328 | char* pattern = &ptr[strlen (ptr)]; |
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| 329 | char* pos = strchr (ptr, '"'); |
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| 330 | if (pos != 0) |
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| 331 | { |
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| 332 | if (pos < pattern) |
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| 333 | { |
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| 334 | state = in_string_comment; |
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| 335 | pattern = pos; |
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| 336 | } |
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| 337 | } |
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| 338 | pos = strchr (ptr, '\''); |
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| 339 | if (pos != 0) |
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| 340 | { |
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| 341 | if (pos < pattern) |
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| 342 | { |
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| 343 | state = in_char_comment; |
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| 344 | pattern = pos; |
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| 345 | } |
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| 346 | } |
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| 347 | pos = strstr (ptr, "*/"); |
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| 348 | if (pos != 0) |
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| 349 | { |
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| 350 | if (pos < pattern) |
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| 351 | { |
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| 352 | state = in_line; |
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| 353 | pattern = pos + 1; |
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| 354 | } |
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| 355 | } |
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| 356 | |
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| 357 | if (state == in_comment) |
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| 358 | { |
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| 359 | ptr += strlen (ptr); |
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| 360 | } |
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| 361 | else |
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| 362 | { |
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| 363 | ptr = pattern + 1; |
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| 364 | } |
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| 365 | |
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| 366 | return (ptr); |
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| 367 | } |
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| 368 | |
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| 369 | //-------------------------------------------------- |
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| 370 | static char* in_string_comment_action (char* ptr, state_def& state) |
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| 371 | //-------------------------------------------------- |
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| 372 | { |
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| 373 | char* pos = strchr (ptr, '"'); |
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| 374 | if (pos == 0) |
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| 375 | { |
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| 376 | // This string is not finished till the end of the line.. |
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| 377 | // we expect it continues to the nex line... |
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| 378 | ptr += strlen (ptr); |
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| 379 | } |
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| 380 | else |
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| 381 | { |
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| 382 | pos--; |
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| 383 | if (*pos == '\\') |
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| 384 | { |
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| 385 | ptr = pos + 2; |
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| 386 | } |
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| 387 | else |
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| 388 | { |
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| 389 | ptr = pos + 2; |
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| 390 | state = in_comment; |
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| 391 | } |
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| 392 | } |
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| 393 | |
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| 394 | return (ptr); |
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| 395 | } |
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| 396 | |
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| 397 | //-------------------------------------------------- |
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| 398 | static char* in_char_comment_action (char* ptr, state_def& state) |
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| 399 | //-------------------------------------------------- |
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| 400 | { |
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| 401 | char* pos = strchr (ptr, '\''); |
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| 402 | if (pos == 0) |
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| 403 | { |
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| 404 | // This string is not finished till the end of the line.. |
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| 405 | // we expect it continues to the nex line... |
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| 406 | ptr += strlen (ptr); |
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| 407 | } |
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| 408 | else |
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| 409 | { |
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| 410 | pos--; |
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| 411 | if (*pos == '\\') |
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| 412 | { |
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| 413 | ptr = pos + 2; |
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| 414 | } |
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| 415 | else |
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| 416 | { |
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| 417 | ptr = pos + 2; |
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| 418 | state = in_comment; |
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| 419 | } |
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| 420 | } |
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| 421 | |
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| 422 | return (ptr); |
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| 423 | } |
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| 424 | |
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| 425 | //-------------------------------------------------- |
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| 426 | static char* in_line_comment_action (char* ptr, state_def& state) |
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| 427 | //-------------------------------------------------- |
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| 428 | { |
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| 429 | ptr += strlen (ptr); |
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| 430 | |
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| 431 | return (ptr); |
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| 432 | } |
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| 433 | |
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| 434 | //-------------------------------------------------- |
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| 435 | static void build_deps_stream (istream& input, |
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| 436 | const cmt_string& dir_name, |
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| 437 | int current_path_index, |
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| 438 | const CmtSystem::cmt_string_vector& include_paths, |
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| 439 | const CmtSystem::cmt_string_vector& substitutions, |
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| 440 | CmtSystem::cmt_string_vector& all_deps, |
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| 441 | CmtSystem::cmt_string_vector& deps) |
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| 442 | //-------------------------------------------------- |
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| 443 | { |
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| 444 | if (input) |
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| 445 | { |
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| 446 | if (Cmt::get_debug ()) |
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| 447 | { |
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| 448 | cout << "CMT> build_deps_stream dir_name=" << |
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| 449 | dir_name << endl; |
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| 450 | } |
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| 451 | |
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| 452 | while (!input.eof ()) |
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| 453 | { |
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| 454 | char line[16384]; |
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| 455 | |
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| 456 | input.getline (line, sizeof (line)); |
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| 457 | char* ptr = &line[0]; |
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| 458 | state_def state = at_start; |
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| 459 | |
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| 460 | if (Cmt::get_debug ()) |
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| 461 | { |
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| 462 | cout << "CMT> build_deps_stream2 line=[" << |
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| 463 | line << "]" << endl; |
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| 464 | } |
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| 465 | |
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| 466 | while (strlen (ptr) > 0) |
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| 467 | { |
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| 468 | switch (state) |
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| 469 | { |
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| 470 | case at_start: |
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| 471 | ptr = at_start_action (ptr, |
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| 472 | state, |
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| 473 | dir_name, |
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| 474 | current_path_index, |
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| 475 | include_paths, |
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| 476 | substitutions, |
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| 477 | all_deps, |
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| 478 | deps); |
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| 479 | break; |
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| 480 | case in_line: |
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| 481 | ptr = in_line_action (ptr, state); |
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| 482 | break; |
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| 483 | case in_string: |
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| 484 | ptr = in_string_action (ptr, state); |
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| 485 | break; |
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| 486 | case in_char: |
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| 487 | ptr = in_char_action (ptr, state); |
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| 488 | break; |
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| 489 | case in_comment: |
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| 490 | ptr = in_comment_action (ptr, state); |
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| 491 | break; |
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| 492 | case in_string_comment: |
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| 493 | ptr = in_string_comment_action (ptr, state); |
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| 494 | break; |
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| 495 | case in_char_comment: |
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| 496 | ptr = in_char_comment_action (ptr, state); |
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| 497 | break; |
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| 498 | case in_line_comment: |
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| 499 | ptr = in_line_action (ptr, state); |
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| 500 | break; |
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| 501 | } |
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| 502 | } |
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| 503 | } |
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| 504 | } |
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| 505 | } |
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| 506 | |
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| 507 | //-------------------------------------------------- |
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| 508 | static int build_deps (const cmt_string& name, |
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| 509 | const cmt_string& dir_name, |
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| 510 | int current_path_index, |
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| 511 | const CmtSystem::cmt_string_vector& include_paths, |
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| 512 | const CmtSystem::cmt_string_vector& substitutions, |
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| 513 | CmtSystem::cmt_string_vector& all_deps, |
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| 514 | CmtSystem::cmt_string_vector& deps) |
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| 515 | //-------------------------------------------------- |
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| 516 | { |
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| 517 | int result = -1; |
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| 518 | cmt_string new_dir; |
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| 519 | |
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| 520 | if (Cmt::get_debug ()) |
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| 521 | { |
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| 522 | cout << "CMT> build_deps name=" << name << " dir_name=" << |
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| 523 | dir_name << endl; |
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| 524 | } |
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| 525 | |
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| 526 | // |
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| 527 | // Return 0 when the file is found in the current directory |
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| 528 | // |
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| 529 | if (CmtSystem::test_file (name)) |
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| 530 | { |
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| 531 | ifstream input (name.c_str ()); |
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| 532 | if (input) |
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| 533 | { |
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| 534 | CmtSystem::dirname (name, new_dir); |
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| 535 | build_deps_stream (input, new_dir, current_path_index, |
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| 536 | include_paths, substitutions, |
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| 537 | all_deps, deps); |
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| 538 | return (0); |
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| 539 | } |
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| 540 | } |
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| 541 | |
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| 542 | cmt_string full_name; |
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| 543 | |
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| 544 | full_name = dir_name; |
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| 545 | full_name += CmtSystem::file_separator (); |
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| 546 | full_name += name; |
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| 547 | |
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| 548 | // |
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| 549 | // Return 1 when the file is found in the directory of the |
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| 550 | // upper level source file |
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| 551 | // |
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| 552 | if (CmtSystem::test_file (full_name)) |
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| 553 | { |
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| 554 | ifstream input (full_name.c_str ()); |
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| 555 | if (input) |
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| 556 | { |
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| 557 | CmtSystem::dirname (full_name, new_dir); |
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| 558 | build_deps_stream (input, new_dir, current_path_index, |
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| 559 | include_paths, substitutions, |
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| 560 | all_deps, deps); |
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| 561 | return (1); |
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| 562 | } |
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| 563 | } |
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| 564 | |
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| 565 | int path_index = -1; |
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| 566 | |
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| 567 | // |
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| 568 | // Return [path_index + 2] when the include file is found at one of |
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| 569 | // the include_paths |
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| 570 | // |
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| 571 | for (path_index = 0; path_index < include_paths.size (); path_index++) |
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| 572 | { |
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| 573 | full_name = include_paths[path_index]; |
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| 574 | full_name += CmtSystem::file_separator (); |
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| 575 | full_name += name; |
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| 576 | |
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| 577 | if (Cmt::get_debug ()) |
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| 578 | { |
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| 579 | cout << "CMT> build_deps2 full_name=" << full_name << endl; |
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| 580 | } |
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| 581 | |
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| 582 | if (CmtSystem::test_file (full_name)) |
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| 583 | { |
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| 584 | ifstream in (full_name.c_str ()); |
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| 585 | if (in) |
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| 586 | { |
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| 587 | CmtSystem::dirname (full_name, new_dir); |
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| 588 | |
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| 589 | if (Cmt::get_debug ()) |
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| 590 | { |
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| 591 | cout << "CMT> build_deps3 new_dir=" << new_dir << endl; |
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| 592 | } |
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| 593 | |
---|
| 594 | build_deps_stream (in, |
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| 595 | new_dir, |
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| 596 | path_index + 2, |
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| 597 | include_paths, |
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| 598 | substitutions, |
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| 599 | all_deps, |
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| 600 | deps); |
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| 601 | |
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| 602 | return (path_index + 2); |
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| 603 | } |
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| 604 | } |
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| 605 | } |
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| 606 | |
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| 607 | if (Cmt::get_debug ()) |
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| 608 | { |
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| 609 | cout << "CMT> build_deps3" << endl; |
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| 610 | } |
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| 611 | |
---|
| 612 | return (-1); |
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| 613 | } |
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| 614 | |
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| 615 | //-------------------------------------------------------------------------- |
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| 616 | void DepsBuilder::clear () |
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| 617 | //-------------------------------------------------------------------------- |
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| 618 | { |
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| 619 | m_include_paths.clear (); |
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| 620 | m_substitutions.clear (); |
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| 621 | } |
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| 622 | |
---|
| 623 | //-------------------------------------------------------------------------- |
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| 624 | void DepsBuilder::add (const cmt_string& path, const cmt_string& substitution) |
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| 625 | //-------------------------------------------------------------------------- |
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| 626 | { |
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| 627 | if (path[path.size () - 1] == CmtSystem::file_separator ()) |
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| 628 | { |
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| 629 | cmt_string p = path; |
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| 630 | p.erase (path.size () - 1); |
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| 631 | m_include_paths.push_back (p); |
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| 632 | } |
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| 633 | else |
---|
| 634 | { |
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| 635 | m_include_paths.push_back (path); |
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| 636 | } |
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| 637 | |
---|
| 638 | m_substitutions.push_back (substitution); |
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| 639 | } |
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| 640 | |
---|
| 641 | //-------------------------------------------------------------------------- |
---|
| 642 | void DepsBuilder::add_includes (const Use& use) |
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| 643 | //-------------------------------------------------------------------------- |
---|
| 644 | { |
---|
| 645 | const Include::IncludeVector& includes = use.includes; |
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| 646 | int include_number; |
---|
| 647 | |
---|
| 648 | for (include_number = 0; |
---|
| 649 | include_number < includes.size (); |
---|
| 650 | include_number++) |
---|
| 651 | { |
---|
| 652 | const Include& include = includes[include_number]; |
---|
| 653 | |
---|
| 654 | cmt_string temp = include.name; |
---|
| 655 | cmt_string pattern; |
---|
| 656 | cmt_string name; |
---|
| 657 | char end_pattern; |
---|
| 658 | |
---|
| 659 | int start = 0; |
---|
| 660 | |
---|
| 661 | for (;;) |
---|
| 662 | { |
---|
| 663 | int begin; |
---|
| 664 | |
---|
| 665 | begin = temp.find (start, "${"); |
---|
| 666 | if (begin != cmt_string::npos) |
---|
| 667 | { |
---|
| 668 | end_pattern = '}'; |
---|
| 669 | } |
---|
| 670 | else |
---|
| 671 | { |
---|
| 672 | begin = temp.find (start, "$("); |
---|
| 673 | if (begin != cmt_string::npos) |
---|
| 674 | { |
---|
| 675 | end_pattern = ')'; |
---|
| 676 | } |
---|
| 677 | else |
---|
| 678 | { |
---|
| 679 | break; |
---|
| 680 | } |
---|
| 681 | } |
---|
| 682 | |
---|
| 683 | start = begin + 2; |
---|
| 684 | |
---|
| 685 | int end; |
---|
| 686 | end = temp.find (start, end_pattern); |
---|
| 687 | if (end == cmt_string::npos) break; |
---|
| 688 | if (end < begin) break; |
---|
| 689 | start = end + 1; |
---|
| 690 | |
---|
| 691 | temp.substr (begin, end - begin + 1, pattern); |
---|
| 692 | temp.substr (begin + 2, end - begin - 2, name); |
---|
| 693 | |
---|
| 694 | Symbol* macro = Symbol::find (name); |
---|
| 695 | if (macro != 0) |
---|
| 696 | { |
---|
| 697 | cmt_string value = macro->resolve_macro_value (); |
---|
| 698 | value += CmtSystem::file_separator (); |
---|
| 699 | temp.replace_all (pattern, value); |
---|
| 700 | } |
---|
| 701 | else |
---|
| 702 | { |
---|
| 703 | cmt_string value = CmtSystem::getenv (name); |
---|
| 704 | value += CmtSystem::file_separator (); |
---|
| 705 | temp.replace_all (pattern, value); |
---|
| 706 | } |
---|
| 707 | } |
---|
| 708 | add (temp, include.name); |
---|
| 709 | } |
---|
| 710 | } |
---|
| 711 | |
---|
| 712 | //-------------------------------------------------------------------------- |
---|
| 713 | CmtSystem::cmt_string_vector& DepsBuilder::run (const cmt_string& file_name) |
---|
| 714 | //-------------------------------------------------------------------------- |
---|
| 715 | { |
---|
| 716 | m_deps.clear (); |
---|
| 717 | m_all_deps.clear (); |
---|
| 718 | |
---|
| 719 | cmt_string preprocessor; |
---|
| 720 | Symbol* macro = Symbol::find ("preprocessor_command"); |
---|
| 721 | if (macro != 0) |
---|
| 722 | { |
---|
| 723 | preprocessor = macro->resolve_macro_value (); |
---|
| 724 | } |
---|
| 725 | |
---|
| 726 | if (preprocessor == "") |
---|
| 727 | { |
---|
| 728 | // |
---|
| 729 | // Since no preprocessor command is defined, |
---|
| 730 | // we use the internal mechanism provided here. |
---|
| 731 | // |
---|
| 732 | cmt_string new_dir; |
---|
| 733 | |
---|
| 734 | CmtSystem::dirname (file_name, new_dir); |
---|
| 735 | |
---|
| 736 | build_deps (file_name, |
---|
| 737 | new_dir, |
---|
| 738 | 0, |
---|
| 739 | m_include_paths, |
---|
| 740 | m_substitutions, |
---|
| 741 | m_all_deps, |
---|
| 742 | m_deps); |
---|
| 743 | } |
---|
| 744 | else |
---|
| 745 | { |
---|
| 746 | // |
---|
| 747 | // An external preprocessor command is defined. We expect it |
---|
| 748 | // to follow a "standard" syntax for its output, ie: |
---|
| 749 | // o It starts with: |
---|
| 750 | // <module>.o: ... |
---|
| 751 | // o There may be many lines with trailing back-slashes |
---|
| 752 | // o All entries are space-separated |
---|
| 753 | // o One of the entries is the source file name itself |
---|
| 754 | // |
---|
| 755 | // The preprocessor command expects the list of -I options |
---|
| 756 | // (resolved from the "includes" macro) and the list of |
---|
| 757 | // -D/-U options (resolved from the "*_pp_*flags" macros) |
---|
| 758 | // |
---|
| 759 | |
---|
| 760 | // |
---|
| 761 | // Building the complete command (still the pp_*flags are |
---|
| 762 | // missing) |
---|
| 763 | // |
---|
| 764 | preprocessor += " "; |
---|
| 765 | macro = Symbol::find ("includes"); |
---|
| 766 | preprocessor += macro->resolve_macro_value (); |
---|
| 767 | preprocessor += " "; |
---|
| 768 | preprocessor += file_name; |
---|
| 769 | |
---|
| 770 | cmt_string output; |
---|
| 771 | |
---|
| 772 | CmtSystem::execute (preprocessor, output); |
---|
| 773 | |
---|
| 774 | // |
---|
| 775 | // Make the output as one single big line. |
---|
| 776 | // |
---|
| 777 | |
---|
| 778 | output.replace_all ("\n", " "); |
---|
| 779 | output.replace_all ("\\ ", " "); |
---|
| 780 | |
---|
| 781 | CmtSystem::cmt_string_vector files; |
---|
| 782 | |
---|
| 783 | CmtSystem::split (output, " \t", files); |
---|
| 784 | |
---|
| 785 | // |
---|
| 786 | // Analyze each entry |
---|
| 787 | // |
---|
| 788 | |
---|
| 789 | for (int i = 1; i < files.size (); i++) |
---|
| 790 | { |
---|
| 791 | const cmt_string& file = files[i]; |
---|
| 792 | if (file == file_name) continue; |
---|
| 793 | |
---|
| 794 | cmt_string dir; |
---|
| 795 | cmt_string name; |
---|
| 796 | cmt_string full_name; |
---|
| 797 | |
---|
| 798 | CmtSystem::dirname (file, dir); |
---|
| 799 | |
---|
| 800 | // |
---|
| 801 | // Only declared include_paths will be taken into account |
---|
| 802 | // Others are considered as system include paths. |
---|
| 803 | // |
---|
| 804 | |
---|
| 805 | for (int j = 0; j < m_include_paths.size (); j++) |
---|
| 806 | { |
---|
| 807 | const cmt_string& p = m_include_paths[j]; |
---|
| 808 | if (dir == p) |
---|
| 809 | { |
---|
| 810 | CmtSystem::basename (file, name); |
---|
| 811 | full_name = m_substitutions[j]; |
---|
| 812 | full_name += name; |
---|
| 813 | |
---|
| 814 | // |
---|
| 815 | // We add in the "m_deps" list the symbolic form |
---|
| 816 | // of the path rather that the expanded one. |
---|
| 817 | // |
---|
| 818 | |
---|
| 819 | m_deps.push_back (full_name); |
---|
| 820 | |
---|
| 821 | break; |
---|
| 822 | } |
---|
| 823 | } |
---|
| 824 | } |
---|
| 825 | } |
---|
| 826 | |
---|
| 827 | return (m_deps); |
---|
| 828 | } |
---|
| 829 | |
---|