Changes in libcfa/src/fstream.cfa [7e7a076:7ce2483]
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libcfa/src/fstream.cfa (modified) (13 diffs)
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libcfa/src/fstream.cfa
r7e7a076 r7ce2483 10 10 // Created On : Wed May 27 17:56:53 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Thu Jul 29 22:34:10202113 // Update Count : 4 5412 // Last Modified On : Fri Oct 1 08:10:21 2021 13 // Update Count : 473 14 14 // 15 15 … … 28 28 #define IO_MSG "I/O error: " 29 29 30 void ?{}( ofstream & os, void * file ) { 31 os.file$ = file; 32 os.sepDefault$ = true; 33 os.sepOnOff$ = false; 34 os.nlOnOff$ = true; 35 os.prt$ = false; 36 os.sawNL$ = false; 37 os.acquired$ = false; 30 // private 31 void ?{}( ofstream & os, void * file ) with( os ) { 32 file$ = file; 33 sepDefault$ = true; 34 sepOnOff$ = false; 35 nlOnOff$ = true; 36 prt$ = false; 37 sawNL$ = false; 38 acquired$ = false; 38 39 sepSetCur$( os, sepGet( os ) ); 39 40 sepSet( os, " " ); … … 41 42 } // ?{} 42 43 43 // private 44 bool sepPrt$( ofstream & os ) { setNL$( os, false ); return os.sepOnOff$; } 45 void sepReset$( ofstream & os ) { os.sepOnOff$ = os.sepDefault$; } 46 void sepReset$( ofstream & os, bool reset ) { os.sepDefault$ = reset; os.sepOnOff$ = os.sepDefault$; } 47 const char * sepGetCur$( ofstream & os ) { return os.sepCur$; } 48 void sepSetCur$( ofstream & os, const char sepCur[] ) { os.sepCur$ = sepCur; } 49 bool getNL$( ofstream & os ) { return os.sawNL$; } 50 void setNL$( ofstream & os, bool state ) { os.sawNL$ = state; } 51 bool getANL$( ofstream & os ) { return os.nlOnOff$; } 52 bool getPrt$( ofstream & os ) { return os.prt$; } 53 void setPrt$( ofstream & os, bool state ) { os.prt$ = state; } 44 inline bool sepPrt$( ofstream & os ) { setNL$( os, false ); return os.sepOnOff$; } 45 inline void sepReset$( ofstream & os ) { os.sepOnOff$ = os.sepDefault$; } 46 inline void sepReset$( ofstream & os, bool reset ) { os.sepDefault$ = reset; os.sepOnOff$ = os.sepDefault$; } 47 inline const char * sepGetCur$( ofstream & os ) { return os.sepCur$; } 48 inline void sepSetCur$( ofstream & os, const char sepCur[] ) { os.sepCur$ = sepCur; } 49 inline bool getNL$( ofstream & os ) { return os.sawNL$; } 50 inline void setNL$( ofstream & os, bool state ) { os.sawNL$ = state; } 51 inline bool getANL$( ofstream & os ) { return os.nlOnOff$; } 52 inline bool getPrt$( ofstream & os ) { return os.prt$; } 53 inline void setPrt$( ofstream & os, bool state ) { os.prt$ = state; } 54 55 inline void lock( ofstream & os ) with( os ) { lock( os.lock$ ); } 56 inline void unlock( ofstream & os ) { unlock( os.lock$ ); } 54 57 55 58 // public 56 59 void ?{}( ofstream & os ) { os.file$ = 0p; } 57 58 void ?{}( ofstream & os, const char name[], const char mode[] ) { 59 open( os, name, mode ); 60 } // ?{} 61 62 void ?{}( ofstream & os, const char name[] ) { 63 open( os, name, "w" ); 64 } // ?{} 65 66 void ^?{}( ofstream & os ) { 67 close( os ); 68 } // ^?{} 60 void ?{}( ofstream & os, const char name[], const char mode[] ) { open( os, name, mode ); } 61 void ?{}( ofstream & os, const char name[] ) { open( os, name, "w" ); } 62 void ^?{}( ofstream & os ) { close( os ); } 69 63 70 64 void sepOn( ofstream & os ) { os.sepOnOff$ = ! getNL$( os ); } … … 107 101 if ( &os == &exit ) exit( EXIT_FAILURE ); 108 102 if ( &os == &abort ) abort(); 109 if ( os.acquired$ ) { os.acquired$ = false; release( os ); }103 if ( os.acquired$ ) { os.acquired$ = false; unlock( os ); } 110 104 } // ends 111 105 112 bool fail( ofstream & os ) { 113 return os.file$ == 0 || ferror( (FILE *)(os.file$) ); 114 } // fail 115 116 void clear( ofstream & os ) { 117 clearerr( (FILE *)(os.file$) ); 118 } // clear 119 120 int flush( ofstream & os ) { 121 return fflush( (FILE *)(os.file$) ); 122 } // flush 106 bool fail( ofstream & os ) { return os.file$ == 0 || ferror( (FILE *)(os.file$) ); } 107 void clear( ofstream & os ) { clearerr( (FILE *)(os.file$) ); } 108 int flush( ofstream & os ) { return fflush( (FILE *)(os.file$) ); } 123 109 124 110 void open( ofstream & os, const char name[], const char mode[] ) { 125 111 FILE * file = fopen( name, mode ); 126 // #ifdef __CFA_DEBUG__127 112 if ( file == 0p ) { 128 113 throw (Open_Failure){ os }; 129 114 // abort | IO_MSG "open output file \"" | name | "\"" | nl | strerror( errno ); 130 115 } // if 131 // #endif // __CFA_DEBUG__ 132 (os){ file }; 116 (os){ file }; // initialize 133 117 } // open 134 118 135 void open( ofstream & os, const char name[] ) { 136 open( os, name, "w" ); 137 } // open 138 139 void close( ofstream & os ) { 140 if ( (FILE *)(os.file$) == 0p ) return; 141 if ( (FILE *)(os.file$) == (FILE *)stdout || (FILE *)(os.file$) == (FILE *)stderr ) return; 142 143 if ( fclose( (FILE *)(os.file$) ) == EOF ) { 119 void open( ofstream & os, const char name[] ) { open( os, name, "w" ); } 120 121 void close( ofstream & os ) with( os ) { 122 if ( (FILE *)(file$) == 0p ) return; 123 if ( (FILE *)(file$) == (FILE *)stdout || (FILE *)(file$) == (FILE *)stderr ) return; 124 125 if ( fclose( (FILE *)(file$) ) == EOF ) { 144 126 throw (Close_Failure){ os }; 145 127 // abort | IO_MSG "close output" | nl | strerror( errno ); 146 128 } // if 147 os.file$ = 0p;129 file$ = 0p; // safety after close 148 130 } // close 149 131 … … 177 159 } // fmt 178 160 179 inline void acquire( ofstream &os ) {180 lock( os .lock$ );181 if ( ! os.acquired$ ) os.acquired$ = true;182 else unlock( os .lock$ );161 void acquire( ofstream & os ) with( os ) { 162 lock( os ); // may increase recursive lock 163 if ( ! acquired$ ) acquired$ = true; // not locked ? 164 else unlock( os ); // unwind recursive lock at start 183 165 } // acquire 184 166 185 inline void release( ofstream & os ) { 186 unlock( os.lock$ ); 187 } // release 188 189 inline void lock( ofstream & os ) { acquire( os ); } 190 inline void unlock( ofstream & os ) { release( os ); } 191 192 void ?{}( osacquire & acq, ofstream & os ) { &acq.os = &os; lock( os.lock$ ); } 193 void ^?{}( osacquire & acq ) { release( acq.os ); } 167 void ?{}( osacquire & acq, ofstream & os ) { &acq.os = &os; lock( os ); } 168 void ^?{}( osacquire & acq ) { unlock( acq.os ); } 194 169 195 170 static ofstream soutFile = { (FILE *)stdout }; … … 210 185 flush( os ); 211 186 return os; 212 // (ofstream &)(os | '\n');213 // setPrt$( os, false ); // turn off214 // setNL$( os, true );215 // flush( os );216 // return sepOff( os ); // prepare for next line217 187 } // nl 218 188 … … 222 192 223 193 // private 224 void ?{}( ifstream & is, void * file ) { 225 is.file$ = file; 226 is.nlOnOff$ = false; 227 is.acquired$ = false; 228 } // ?{} 194 void ?{}( ifstream & is, void * file ) with( is ) { 195 file$ = file; 196 nlOnOff$ = false; 197 acquired$ = false; 198 } // ?{} 199 200 inline void lock( ifstream & os ) with( os ) { lock( os.lock$ ); } 201 inline void unlock( ifstream & os ) { unlock( os.lock$ ); } 229 202 230 203 // public 231 204 void ?{}( ifstream & is ) { is.file$ = 0p; } 232 233 void ?{}( ifstream & is, const char name[], const char mode[] ) { 234 open( is, name, mode ); 235 } // ?{} 236 237 void ?{}( ifstream & is, const char name[] ) { 238 open( is, name, "r" ); 239 } // ?{} 240 241 void ^?{}( ifstream & is ) { 242 close( is ); 243 } // ^?{} 205 void ?{}( ifstream & is, const char name[], const char mode[] ) { open( is, name, mode ); } 206 void ?{}( ifstream & is, const char name[] ) { open( is, name, "r" ); } 207 void ^?{}( ifstream & is ) { close( is ); } 244 208 245 209 void nlOn( ifstream & os ) { os.nlOnOff$ = true; } … … 247 211 bool getANL( ifstream & os ) { return os.nlOnOff$; } 248 212 249 bool fail( ifstream & is ) { 250 return is.file$ == 0p || ferror( (FILE *)(is.file$) ); 251 } // fail 252 253 void clear( ifstream & is ) { 254 clearerr( (FILE *)(is.file$) ); 255 } // clear 213 bool fail( ifstream & is ) { return is.file$ == 0p || ferror( (FILE *)(is.file$) ); } 214 void clear( ifstream & is ) { clearerr( (FILE *)(is.file$) ); } 256 215 257 216 void ends( ifstream & is ) { 258 if ( is.acquired$ ) { is.acquired$ = false; release( is ); }217 if ( is.acquired$ ) { is.acquired$ = false; unlock( is ); } 259 218 } // ends 260 219 261 bool eof( ifstream & is ) { 262 return feof( (FILE *)(is.file$) ); 263 } // eof 220 bool eof( ifstream & is ) { return feof( (FILE *)(is.file$) ); } 264 221 265 222 void open( ifstream & is, const char name[], const char mode[] ) { 266 223 FILE * file = fopen( name, mode ); 267 // #ifdef __CFA_DEBUG__268 224 if ( file == 0p ) { 269 225 throw (Open_Failure){ is }; 270 226 // abort | IO_MSG "open input file \"" | name | "\"" | nl | strerror( errno ); 271 227 } // if 272 // #endif // __CFA_DEBUG__ 273 is.file$ = file; 228 (is){ file }; // initialize 274 229 } // open 275 230 276 void open( ifstream & is, const char name[] ) { 277 open( is, name, "r" ); 278 } // open 279 280 void close( ifstream & is ) { 281 if ( (FILE *)(is.file$) == 0p ) return; 282 if ( (FILE *)(is.file$) == (FILE *)stdin ) return; 283 284 if ( fclose( (FILE *)(is.file$) ) == EOF ) { 231 void open( ifstream & is, const char name[] ) { open( is, name, "r" ); } 232 233 void close( ifstream & is ) with( is ) { 234 if ( (FILE *)(file$) == 0p ) return; 235 if ( (FILE *)(file$) == (FILE *)stdin ) return; 236 237 if ( fclose( (FILE *)(file$) ) == EOF ) { 285 238 throw (Close_Failure){ is }; 286 239 // abort | IO_MSG "close input" | nl | strerror( errno ); 287 240 } // if 288 is.file$ = 0p;241 file$ = 0p; 289 242 } // close 290 243 … … 327 280 } // fmt 328 281 329 inline void acquire( ifstream &is ) {330 lock( is .lock$ );331 if ( ! is.acquired$ ) is.acquired$ = true;332 else unlock( is .lock$ );282 void acquire( ifstream & is ) with( is ) { 283 lock( is ); // may increase recursive lock 284 if ( ! acquired$ ) acquired$ = true; // not locked ? 285 else unlock( is ); // unwind recursive lock at start 333 286 } // acquire 334 287 335 inline void release( ifstream & is ) { 336 unlock( is.lock$ ); 337 } // release 338 339 void ?{}( isacquire & acq, ifstream & is ) { &acq.is = &is; lock( is.lock$ ); } 340 void ^?{}( isacquire & acq ) { release( acq.is ); } 288 void ?{}( isacquire & acq, ifstream & is ) { &acq.is = &is; lock( is ); } 289 void ^?{}( isacquire & acq ) { unlock( acq.is ); } 341 290 342 291 static ifstream sinFile = { (FILE *)stdin }; … … 350 299 351 300 // exception I/O constructors 352 void ?{}( Open_Failure & this, ofstream & ostream) {353 this.virtual_table = &Open_Failure_vt;354 this.ostream = &ostream;355 t his.tag = 1;356 } // ?{} 357 358 void ?{}( Open_Failure & this, ifstream & istream) {359 this.virtual_table = &Open_Failure_vt;360 this.istream = &istream;361 t his.tag = 0;301 void ?{}( Open_Failure & ex, ofstream & ostream ) with(ex) { 302 virtual_table = &Open_Failure_vt; 303 ostream = &ostream; 304 tag = 1; 305 } // ?{} 306 307 void ?{}( Open_Failure & ex, ifstream & istream ) with(ex) { 308 virtual_table = &Open_Failure_vt; 309 istream = &istream; 310 tag = 0; 362 311 } // ?{} 363 312 … … 366 315 367 316 // exception I/O constructors 368 void ?{}( Close_Failure & this, ofstream & ostream) {369 this.virtual_table = &Close_Failure_vt;370 this.ostream = &ostream;371 t his.tag = 1;372 } // ?{} 373 374 void ?{}( Close_Failure & this, ifstream & istream) {375 this.virtual_table = &Close_Failure_vt;376 this.istream = &istream;377 t his.tag = 0;317 void ?{}( Close_Failure & ex, ofstream & ostream ) with(ex) { 318 virtual_table = &Close_Failure_vt; 319 ostream = &ostream; 320 tag = 1; 321 } // ?{} 322 323 void ?{}( Close_Failure & ex, ifstream & istream ) with(ex) { 324 virtual_table = &Close_Failure_vt; 325 istream = &istream; 326 tag = 0; 378 327 } // ?{} 379 328 … … 382 331 383 332 // exception I/O constructors 384 void ?{}( Write_Failure & this, ofstream & ostream) {385 this.virtual_table = &Write_Failure_vt;386 this.ostream = &ostream;387 t his.tag = 1;388 } // ?{} 389 390 void ?{}( Write_Failure & this, ifstream & istream) {391 this.virtual_table = &Write_Failure_vt;392 this.istream = &istream;393 t his.tag = 0;333 void ?{}( Write_Failure & ex, ofstream & ostream ) with(ex) { 334 virtual_table = &Write_Failure_vt; 335 ostream = &ostream; 336 tag = 1; 337 } // ?{} 338 339 void ?{}( Write_Failure & ex, ifstream & istream ) with(ex) { 340 virtual_table = &Write_Failure_vt; 341 istream = &istream; 342 tag = 0; 394 343 } // ?{} 395 344 … … 398 347 399 348 // exception I/O constructors 400 void ?{}( Read_Failure & this, ofstream & ostream) {401 this.virtual_table = &Read_Failure_vt;402 this.ostream = &ostream;403 t his.tag = 1;404 } // ?{} 405 406 void ?{}( Read_Failure & this, ifstream & istream) {407 this.virtual_table = &Read_Failure_vt;408 this.istream = &istream;409 t his.tag = 0;349 void ?{}( Read_Failure & ex, ofstream & ostream ) with(ex) { 350 virtual_table = &Read_Failure_vt; 351 ostream = &ostream; 352 tag = 1; 353 } // ?{} 354 355 void ?{}( Read_Failure & ex, ifstream & istream ) with(ex) { 356 virtual_table = &Read_Failure_vt; 357 istream = &istream; 358 tag = 0; 410 359 } // ?{} 411 360
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