dwm.h - suckless/dwm - Unnamed repository; edit this file 'description' to name the repository.

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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-08 09:36:29 +0000

t; class="LineNr"> 88 <a href='003trace.cc.html#L174'>Trace_stream</a> = new trace_stream; 89 } 90 :(code) 91 void <a href='003trace.cc.html#L91'>cleanup_main</a>() { 92 if (!Trace_stream) return; 93 if (<a href='003trace.cc.html#L237'>Save_trace</a>) 94 <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L133'>save</a>(); 95 delete <a href='003trace.cc.html#L174'>Trace_stream</a>; 96 <a href='003trace.cc.html#L174'>Trace_stream</a> = NULL; 97 } 98 :(before "End One-time Setup") 99 atexit(<a href='003trace.cc.html#L91'>cleanup_main</a>); 100 101 :(before "End Types") 102 // Pre-define some global constants that trace_stream needs to know about. 103 // Since they're in the Types section, they'll be included in any cleaved 104 // compilation units. So no extern linkage. 105 const int <a href='003trace.cc.html#L105'>Max_depth</a> = 9999; 106 const int <a href='003trace.cc.html#L106'>Error_depth</a> = 0; // definitely always print errors 107 const int <a href='003trace.cc.html#L107'>Warn_depth</a> = 1; 108 109 struct trace_stream { 110 vector<trace_line> <a href='003trace.cc.html#L110'>past_lines</a>; 111 // accumulator for current line 112 ostringstream* <a href='003trace.cc.html#L112'>curr_stream</a>; 113 string <a href='003trace.cc.html#L113'>curr_label</a>; 114 int <a href='003trace.cc.html#L114'>curr_depth</a>; 115 int <a href='003trace.cc.html#L115'>collect_depth</a>; 116 ofstream null_stream; // never opens a file, so writes silently fail 117 trace_stream() :<a href='003trace.cc.html#L112'>curr_stream</a>(NULL), <a href='003trace.cc.html#L114'>curr_depth</a>(<a href='003trace.cc.html#L105'>Max_depth</a>), <a href='003trace.cc.html#L115'>collect_depth</a>(<a href='003trace.cc.html#L105'>Max_depth</a>) {} 118 <a href='003trace.cc.html#L118'>~trace_stream</a>() { if (<a href='003trace.cc.html#L112'>curr_stream</a>) delete <a href='003trace.cc.html#L112'>curr_stream</a>; } 119 120 ostream& stream(string label) { 121 return stream(<a href='003trace.cc.html#L105'>Max_depth</a>, label); 122 } 123 124 ostream& stream(int <a href='003trace.cc.html#L72'>depth</a>, string label) { 125 if (<a href='003trace.cc.html#L72'>depth</a> > <a href='003trace.cc.html#L115'>collect_depth</a>) return null_stream; 126 <a href='003trace.cc.html#L112'>curr_stream</a> = new ostringstream; 127 <a href='003trace.cc.html#L113'>curr_label</a> = label; 128 <a href='003trace.cc.html#L114'>curr_depth</a> = <a href='003trace.cc.html#L72'>depth</a>; 129 (*curr_stream) << std::hex; 130 return *curr_stream; 131 } 132 133 void <a href='003trace.cc.html#L133'>save</a>() { 134 cerr << "saving <a href='003trace.cc.html#L203'>trace</a> to 'last_run'\n"; 135 ofstream fout("last_run"); 136 fout << <a href='003trace.cc.html#L164'>readable_contents</a>(""); 137 fout.close(); 138 } 139 140 // be sure to call this before messing with curr_stream or curr_label 141 void <a href='003trace.cc.html#L147'>newline</a>(); 142 // useful for debugging 143 string <a href='003trace.cc.html#L164'>readable_contents</a>(string label); // empty label = show everything 144 }; 145 146 :(code) 147 void trace_stream::<a href='003trace.cc.html#L147'>newline</a>() { 148 if (!curr_stream) return; 149 string curr_contents = <a href='003trace.cc.html#L112'>curr_stream</a>->str(); 150 if (!curr_contents.empty()) { 151 <a href='003trace.cc.html#L110'>past_lines</a>.push_back(trace_line(<a href='003trace.cc.html#L114'>curr_depth</a>, <a href='003trace.cc.html#L398'>trim</a>(<a href='003trace.cc.html#L113'>curr_label</a>), curr_contents)); // preserve indent in contents 152 if ((!Hide_errors && <a href='003trace.cc.html#L114'>curr_depth</a> == <a href='003trace.cc.html#L106'>Error_depth</a>) 153 || (!Hide_warnings && !Hide_errors && <a href='003trace.cc.html#L114'>curr_depth</a> == <a href='003trace.cc.html#L107'>Warn_depth</a>) 154 || <a href='003trace.cc.html#L188'>Dump_trace</a> 155 || (!Dump_label.empty() && <a href='003trace.cc.html#L113'>curr_label</a> == <a href='003trace.cc.html#L189'>Dump_label</a>)) 156 cerr << <a href='003trace.cc.html#L113'>curr_label</a> << ": " << curr_contents << '\n'; 157 } 158 delete <a href='003trace.cc.html#L112'>curr_stream</a>; 159 <a href='003trace.cc.html#L112'>curr_stream</a> = NULL; 160 <a href='003trace.cc.html#L113'>curr_label</a>.clear(); 161 <a href='003trace.cc.html#L114'>curr_depth</a> = <a href='003trace.cc.html#L105'>Max_depth</a>; 162 } 163 164 string trace_stream::<a href='003trace.cc.html#L164'>readable_contents</a>(string label) { 165 ostringstream output; 166 label = <a href='003trace.cc.html#L398'>trim</a>(label); 167 for (vector<trace_line>::iterator p = <a href='003trace.cc.html#L110'>past_lines</a>.begin(); p != <a href='003trace.cc.html#L110'>past_lines</a>.end(); ++p) 168 if (label.empty() || label == p->label) 169 output << std::setw(4) << p-><a href='003trace.cc.html#L72'>depth</a> << ' ' << p->label << ": " << p-><a href='003trace.cc.html#L74'>contents</a> << '\n'; 170 return output.str(); 171 } 172 173 :(before "End Globals") 174 trace_stream* <a href='003trace.cc.html#L174'>Trace_stream</a> = NULL; 175 int <a href='003trace.cc.html#L175'>Trace_errors</a> = 0; // used only when Trace_stream is NULL 176 177 //: option to print trace to the screen 178 :(before "End Globals") 179 bool <a href='003trace.cc.html#L179'>Flag_dump_trace</a> = false; 180 :(before "End Commandline Options(*arg)") 181 else if (<a href='001help.cc.html#L89'>is_equal</a>(*arg, "--dump")) { 182 <a href='003trace.cc.html#L179'>Flag_dump_trace</a> = true; 183 } 184 185 :(before "End Globals") 186 bool Hide_errors = false; // if set, don't print even error trace lines to screen 187 bool Hide_warnings = false; // if set, don't print warnings to screen 188 bool <a href='003trace.cc.html#L188'>Dump_trace</a> = false; // if set, print trace lines to screen 189 string <a href='003trace.cc.html#L189'>Dump_label</a> = ""; // if set, print trace lines matching a single label to screen 190 :(before "End Reset") 191 Hide_errors = false; 192 Hide_warnings = false; 193 <a href='003trace.cc.html#L188'>Dump_trace</a> = <a href='003trace.cc.html#L179'>Flag_dump_trace</a>; 194 <a href='003trace.cc.html#L189'>Dump_label</a> = ""; 195 //: Never dump warnings in scenarios 196 :(before "End Test Setup") 197 Hide_warnings = true; 198 199 :(before "End Includes") 200 #define CLEAR_TRACE delete Trace_stream, Trace_stream = new trace_stream; 201 202 // Top-level helper. IMPORTANT: can't nest 203 #define trace(...) !Trace_stream ? cerr /*print nothing*/ : Trace_stream->stream(__VA_ARGS__) 204 205 // Just for debugging; 'git log' should never show any calls to 'dbg'. 206 #define dbg trace(0, "a") 207 #define DUMP(label) if (Trace_stream) cerr << Trace_stream->readable_contents(label); 208 209 // Errors and warnings are special layers. 210 #define raise (!Trace_stream ? (++Trace_errors,cerr) /*do print*/ : Trace_stream->stream(Error_depth, "error")) 211 #define warn (!Trace_stream ? (++Trace_errors,cerr) /*do print*/ : Trace_stream->stream(Warn_depth, "warn")) 212 // If we aren't yet sure how to deal with some corner case, use assert_for_now 213 // to indicate that it isn't an inviolable invariant. 214 #define assert_for_now assert 215 #define raise_for_now raise 216 217 // Inside tests, fail any tests that displayed (unexpected) errors. 218 // Expected errors in tests should always be hidden and silently checked for. 219 :(before "End Test Teardown") 220 if (<a href='002test.cc.html#L21'>Passed</a> && !Hide_errors && <a href='003trace.cc.html#L224'>trace_contains_errors</a>()) { 221 <a href='002test.cc.html#L21'>Passed</a> = false; 222 } 223 :(code) 224 bool <a href='003trace.cc.html#L224'>trace_contains_errors</a>() { 225 return <a href='003trace.cc.html#L175'>Trace_errors</a> > 0 || trace_count("error") > 0; 226 } 227 228 :(before "End Types") 229 struct end {}; 230 :(code) 231 ostream& operator<<(ostream& os, end /*unused*/) { 232 if (<a href='003trace.cc.html#L174'>Trace_stream</a>) <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L147'>newline</a>(); 233 return os; 234 } 235 236 :(before "End Globals") 237 bool <a href='003trace.cc.html#L237'>Save_trace</a> = false; // if set, write out trace to disk 238 239 // Trace_stream is a resource, lease_tracer uses RAII to manage it. 240 :(before "End Types") 241 struct lease_tracer { 242 lease_tracer(); 243 <a href='003trace.cc.html#L247'>~lease_tracer</a>(); 244 }; 245 :(code) 246 lease_tracer::lease_tracer() { <a href='003trace.cc.html#L174'>Trace_stream</a> = new trace_stream; } 247 lease_tracer::<a href='003trace.cc.html#L247'>~lease_tracer</a>() { 248 if (<a href='003trace.cc.html#L237'>Save_trace</a>) <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L133'>save</a>(); 249 delete <a href='003trace.cc.html#L174'>Trace_stream</a>, <a href='003trace.cc.html#L174'>Trace_stream</a> = NULL; 250 } 251 :(before "End Includes") 252 #define START_TRACING_UNTIL_END_OF_SCOPE lease_tracer leased_tracer; 253 :(before "End Test Setup") 254 <a href='003trace.cc.html#L252'>START_TRACING_UNTIL_END_OF_SCOPE</a> 255 256 :(before "End Includes") 257 #define CHECK_TRACE_CONTENTS(...) check_trace_contents(__FUNCTION__, __FILE__, __LINE__, __VA_ARGS__) 258 259 #define CHECK_TRACE_CONTAINS_ERRORS() CHECK(trace_contains_errors()) 260 #define CHECK_TRACE_DOESNT_CONTAIN_ERRORS() \ 261 if (<a href='002test.cc.html#L21'>Passed</a> && <a href='003trace.cc.html#L224'>trace_contains_errors</a>()) { \ 262 cerr << "\nF - " << __FUNCTION__ << "(" << __FILE__ << ":" << __LINE__ << "): unexpected errors\n"; \ 263 <a href='003trace.cc.html#L207'>DUMP</a>("error"); \ 264 <a href='002test.cc.html#L21'>Passed</a> = false; \ 265 return; \ 266 } 267 268 #define CHECK_TRACE_COUNT(label, count) \ 269 if (<a href='002test.cc.html#L21'>Passed</a> && trace_count(label) != (count)) { \ 270 cerr << "\nF - " << __FUNCTION__ << "(" << __FILE__ << ":" << __LINE__ << "): trace_count of " << label << " should be " << count << '\n'; \ 271 cerr << " got " << trace_count(label) << '\n'; /* multiple eval */ \ 272 <a href='003trace.cc.html#L207'>DUMP</a>(label); \ 273 <a href='002test.cc.html#L21'>Passed</a> = false; \ 274 return; /* Currently we stop at the very first failure. */ \ 275 } 276 277 #define CHECK_TRACE_DOESNT_CONTAIN(...) CHECK(trace_doesnt_contain(__VA_ARGS__)) 278 279 :(code) 280 bool <a href='003trace.cc.html#L280'>check_trace_contents</a>(string FUNCTION, string FILE, int LINE, string expected) { 281 if (!Passed) return false; 282 if (!Trace_stream) return false; 283 vector<string> expected_lines = <a href='003trace.cc.html#L374'>split</a>(expected, "^D"); 284 int curr_expected_line = 0; 285 while (curr_expected_line < <a href='001help.cc.html#L157'>SIZE</a>(expected_lines) && expected_lines.at(curr_expected_line).empty()) 286 ++curr_expected_line; 287 if (curr_expected_line == <a href='001help.cc.html#L157'>SIZE</a>(expected_lines)) return true; 288 string label, <a href='003trace.cc.html#L74'>contents</a>; 289 <a href='003trace.cc.html#L312'>split_label_contents</a>(expected_lines.at(curr_expected_line), &label, &contents); 290 for (vector<trace_line>::iterator p = <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.begin(); p != <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.end(); ++p) { 291 if (label != p->label) continue; 292 if (<a href='003trace.cc.html#L74'>contents</a> != <a href='003trace.cc.html#L398'>trim</a>(p-><a href='003trace.cc.html#L74'>contents</a>)) continue; 293 ++curr_expected_line; 294 while (curr_expected_line < <a href='001help.cc.html#L157'>SIZE</a>(expected_lines) && expected_lines.at(curr_expected_line).empty()) 295 ++curr_expected_line; 296 if (curr_expected_line == <a href='001help.cc.html#L157'>SIZE</a>(expected_lines)) return true; 297 <a href='003trace.cc.html#L312'>split_label_contents</a>(expected_lines.at(curr_expected_line), &label, &contents); 298 } 299 300 if (<a href='003trace.cc.html#L325'>line_exists_anywhere</a>(label, <a href='003trace.cc.html#L74'>contents</a>)) { 301 cerr << "\nF - " << FUNCTION << "(" << FILE << ":" << LINE << "): <a href='011run.cc.html#L117'>line</a> [" << label << ": " << <a href='003trace.cc.html#L74'>contents</a> << "] out of order in <a href='003trace.cc.html#L203'>trace</a>:\n"; 302 <a href='003trace.cc.html#L207'>DUMP</a>(""); 303 } 304 else { 305 cerr << "\nF - " << FUNCTION << "(" << FILE << ":" << LINE << "): missing [" << <a href='003trace.cc.html#L74'>contents</a> << "] in <a href='003trace.cc.html#L203'>trace</a>:\n"; 306 <a href='003trace.cc.html#L207'>DUMP</a>(label); 307 } 308 <a href='002test.cc.html#L21'>Passed</a> = false; 309 return false; 310 } 311 312 void <a href='003trace.cc.html#L312'>split_label_contents</a>(const string& s, string* label, string* <a href='003trace.cc.html#L74'>contents</a>) { 313 static const string delim(": "); 314 size_t pos = s.find(delim); 315 if (pos == string::npos) { 316 *label = ""; 317 *contents = <a href='003trace.cc.html#L398'>trim</a>(s); 318 } 319 else { 320 *label = <a href='003trace.cc.html#L398'>trim</a>(s.substr(0, pos)); 321 *contents = <a href='003trace.cc.html#L398'>trim</a>(s.substr(pos+SIZE(delim))); 322 } 323 } 324 325 bool <a href='003trace.cc.html#L325'>line_exists_anywhere</a>(const string& label, const string& <a href='003trace.cc.html#L74'>contents</a>) { 326 for (vector<trace_line>::iterator p = <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.begin(); p != <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.end(); ++p) { 327 if (label != p->label) continue; 328 if (<a href='003trace.cc.html#L74'>contents</a> == <a href='003trace.cc.html#L398'>trim</a>(p-><a href='003trace.cc.html#L74'>contents</a>)) return true; 329 } 330 return false; 331 } 332 333 int trace_count(string label) { 334 return trace_count(label, ""); 335 } 336 337 int trace_count(string label, string <a href='011run.cc.html#L117'>line</a>) { 338 if (!Trace_stream) return 0; 339 long result = 0; 340 for (vector<trace_line>::iterator p = <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.begin(); p != <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.end(); ++p) { 341 if (label == p->label) { 342 if (<a href='011run.cc.html#L117'>line</a> == "" || <a href='003trace.cc.html#L398'>trim</a>(<a href='011run.cc.html#L117'>line</a>) == <a href='003trace.cc.html#L398'>trim</a>(p-><a href='003trace.cc.html#L74'>contents</a>)) 343 ++result; 344 } 345 } 346 return result; 347 } 348 349 int <a href='003trace.cc.html#L349'>trace_count_prefix</a>(string label, string prefix) { 350 if (!Trace_stream) return 0; 351 long result = 0; 352 for (vector<trace_line>::iterator p = <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.begin(); p != <a href='003trace.cc.html#L174'>Trace_stream</a>-><a href='003trace.cc.html#L110'>past_lines</a>.end(); ++p) { 353 if (label == p->label) { 354 if (<a href='001help.cc.html#L93'>starts_with</a>(<a href='003trace.cc.html#L398'>trim</a>(p-><a href='003trace.cc.html#L74'>contents</a>), <a href='003trace.cc.html#L398'>trim</a>(prefix))) 355 ++result; 356 } 357 } 358 return result; 359 } 360 361 bool trace_doesnt_contain(string label, string <a href='011run.cc.html#L117'>line</a>) { 362 return trace_count(label, <a href='011run.cc.html#L117'>line</a>) == 0; 363 } 364 365 bool trace_doesnt_contain(string expected) { 366 vector<string> tmp = <a href='003trace.cc.html#L389'>split_first</a>(expected, ": "); 367 if (<a href='001help.cc.html#L157'>SIZE</a>(tmp) == 1) { 368 <a href='003trace.cc.html#L210'>raise</a> << expected << ": missing label or <a href='003trace.cc.html#L74'>contents</a> in <a href='003trace.cc.html#L203'>trace</a> <a href='011run.cc.html#L117'>line</a>\n" << end(); 369 assert(false); 370 } 371 return trace_doesnt_contain(tmp.at(0), tmp.at(1)); 372 } 373 374 vector<string> <a href='003trace.cc.html#L374'>split</a>(string s, string delim) { 375 vector<string> result; 376 size_t begin=0, end=s.find(delim); 377 while (true) { 378 if (end == string::npos) { 379 result.push_back(string(s, begin, string::npos)); 380 break; 381 } 382 result.push_back(string(s, begin, end-begin)); 383 begin = end+SIZE(delim); 384 end = s.find(delim, begin); 385 } 386 return result; 387 } 388 389 vector<string> <a href='003trace.cc.html#L389'>split_first</a>(string s, string delim) { 390 vector<string> result; 391 size_t end=s.find(delim); 392 result.push_back(string(s, 0, end)); 393 if (end != string::npos) 394 result.push_back(string(s, end+SIZE(delim), string::npos)); 395 return result; 396 } 397 398 string <a href='003trace.cc.html#L398'>trim</a>(const string& s) { 399 string::const_iterator first = s.begin(); 400 while (first != s.end() && isspace(*first)) 401 ++first; 402 if (first == s.end()) return ""; 403 404 string::const_iterator last = --s.end(); 405 while (last != s.begin() && isspace(*last)) 406 --last; 407 ++last; 408 return string(first, last); 409 } 410 411 :(before "End Includes") 412 #include <vector> 413 using std::vector; 414 #include <list> 415 using std::list; 416 #include <set> 417 using std::set; 418 419 #include <sstream> 420 using std::istringstream; 421 using std::ostringstream; 422 423 #include <fstream> 424 using std::ifstream; 425 using std::ofstream; </pre> </body> </html>