source: libcfa/src/iostream.cfa@ d148778

ADT arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since d148778 was b2ac656, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

fix decimal print for floating point
  • Property mode set to 100644
File size: 16.6 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// iostream.c --
8//
9// Author : Peter A. Buhr
10// Created On : Wed May 27 17:56:53 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sun May 19 10:48:27 2019
13// Update Count : 654
14//
15
16#include "iostream.hfa"
17
18extern "C" {
19#include <stdio.h>
20#include <stdbool.h> // true/false
21//#include <string.h> // strlen, strcmp
22extern int strcmp (const char *__s1, const char *__s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
23extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
24#include <float.h> // DBL_DIG, LDBL_DIG
25#include <math.h> // isfinite
26#include <complex.h> // creal, cimag
27}
28
29forall( dtype ostype | ostream( ostype ) ) {
30 ostype & ?|?( ostype & os, zero_t ) {
31 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
32 fmt( os, "%d", 0n );
33 return os;
34 } // ?|?
35 void ?|?( ostype & os, zero_t z ) {
36 (ostype &)(os | z); nl( os );
37 } // ?|?
38
39 ostype & ?|?( ostype & os, one_t ) {
40 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
41 fmt( os, "%d", 1n );
42 return os;
43 } // ?|?
44 void ?|?( ostype & os, one_t o ) {
45 (ostype &)(os | o); nl( os );
46 } // ?|?
47
48 ostype & ?|?( ostype & os, bool b ) {
49 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
50 fmt( os, "%s", b ? "true" : "false" );
51 return os;
52 } // ?|?
53 void ?|?( ostype & os, bool b ) {
54 (ostype &)(os | b); nl( os );
55 } // ?|?
56
57 ostype & ?|?( ostype & os, char c ) {
58 fmt( os, "%c", c );
59 if ( c == '\n' ) setNL( os, true );
60 return sepOff( os );
61 } // ?|?
62 void ?|?( ostype & os, char c ) {
63 (ostype &)(os | c); nl( os );
64 } // ?|?
65
66 ostype & ?|?( ostype & os, signed char sc ) {
67 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
68 fmt( os, "%hhd", sc );
69 return os;
70 } // ?|?
71 void ?|?( ostype & os, signed char sc ) {
72 (ostype &)(os | sc); nl( os );
73 } // ?|?
74
75 ostype & ?|?( ostype & os, unsigned char usc ) {
76 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
77 fmt( os, "%hhu", usc );
78 return os;
79 } // ?|?
80 void ?|?( ostype & os, unsigned char usc ) {
81 (ostype &)(os | usc); nl( os );
82 } // ?|?
83
84 ostype & ?|?( ostype & os, short int si ) {
85 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
86 fmt( os, "%hd", si );
87 return os;
88 } // ?|?
89 void & ?|?( ostype & os, short int si ) {
90 (ostype &)(os | si); nl( os );
91 } // ?|?
92
93 ostype & ?|?( ostype & os, unsigned short int usi ) {
94 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
95 fmt( os, "%hu", usi );
96 return os;
97 } // ?|?
98 void & ?|?( ostype & os, unsigned short int usi ) {
99 (ostype &)(os | usi); nl( os );
100 } // ?|?
101
102 ostype & ?|?( ostype & os, int i ) {
103 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
104 fmt( os, "%d", i );
105 return os;
106 } // ?|?
107 void & ?|?( ostype & os, int i ) {
108 (ostype &)(os | i); nl( os );
109 } // ?|?
110
111 ostype & ?|?( ostype & os, unsigned int ui ) {
112 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
113 fmt( os, "%u", ui );
114 return os;
115 } // ?|?
116 void & ?|?( ostype & os, unsigned int ui ) {
117 (ostype &)(os | ui); nl( os );
118 } // ?|?
119
120 ostype & ?|?( ostype & os, long int li ) {
121 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
122 fmt( os, "%ld", li );
123 return os;
124 } // ?|?
125 void & ?|?( ostype & os, long int li ) {
126 (ostype &)(os | li); nl( os );
127 } // ?|?
128
129 ostype & ?|?( ostype & os, unsigned long int uli ) {
130 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
131 fmt( os, "%lu", uli );
132 return os;
133 } // ?|?
134 void & ?|?( ostype & os, unsigned long int uli ) {
135 (ostype &)(os | uli); nl( os );
136 } // ?|?
137
138 ostype & ?|?( ostype & os, long long int lli ) {
139 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
140 fmt( os, "%lld", lli );
141 return os;
142 } // ?|?
143 void & ?|?( ostype & os, long long int lli ) {
144 (ostype &)(os | lli); nl( os );
145 } // ?|?
146
147 ostype & ?|?( ostype & os, unsigned long long int ulli ) {
148 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
149 fmt( os, "%llu", ulli );
150 return os;
151 } // ?|?
152 void & ?|?( ostype & os, unsigned long long int ulli ) {
153 (ostype &)(os | ulli); nl( os );
154 } // ?|?
155
156 static void checkDecPt( ostype & os, const char * buf, int len ) {
157 for ( int i = 0;; i += 1 ) {
158 if ( i == len ) { fmt( os, "." ); break; }
159 if ( buf[i] == '.' ) break;
160 } // for
161 } // checkDecPt
162
163 ostype & ?|?( ostype & os, float f ) {
164 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
165 char buf[48];
166 int len = snprintf( buf, 48, "%g", f );
167 fmt( os, "%s", buf );
168 if ( isfinite( f ) ) checkDecPt( os, buf, len ); // always print decimal point
169 return os;
170 } // ?|?
171 void & ?|?( ostype & os, float f ) {
172 (ostype &)(os | f); nl( os );
173 } // ?|?
174
175 ostype & ?|?( ostype & os, double d ) {
176 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
177 char buf[48];
178 int len = snprintf( buf, 48, "%.*lg", DBL_DIG, d );
179 fmt( os, "%s", buf );
180 if ( isfinite( d ) ) checkDecPt( os, buf, len ); // always print decimal point
181 return os;
182 } // ?|?
183 void & ?|?( ostype & os, double d ) {
184 (ostype &)(os | d); nl( os );
185 } // ?|?
186
187 ostype & ?|?( ostype & os, long double ld ) {
188 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
189 char buf[48];
190 int len = snprintf( buf, 48, "%.*Lg", LDBL_DIG, ld );
191 fmt( os, "%s", buf );
192 if ( isfinite( ld ) ) checkDecPt( os, buf, len ); // always print decimal point
193 return os;
194 } // ?|?
195 void & ?|?( ostype & os, long double ld ) {
196 (ostype &)(os | ld); nl( os );
197 } // ?|?
198
199 ostype & ?|?( ostype & os, float _Complex fc ) {
200 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
201// os | crealf( fc ) | nonl;
202 float f = crealf( fc );
203 char buf[48];
204 int len = snprintf( buf, 48, "%g", f );
205 fmt( os, "%s", buf );
206 if ( isfinite( f ) ) checkDecPt( os, buf, len ); // always print decimal point
207 f = cimagf( fc );
208 len = snprintf( buf, 48, "%+g", f );
209 fmt( os, "%s", buf );
210 if ( isfinite( f ) ) checkDecPt( os, buf, len ); // always print decimal point
211 fmt( os, "i" );
212 return os;
213 } // ?|?
214 void & ?|?( ostype & os, float _Complex fc ) {
215 (ostype &)(os | fc); nl( os );
216 } // ?|?
217
218 ostype & ?|?( ostype & os, double _Complex dc ) {
219 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
220// os | creal( dc ) | nonl;
221 double d = creal( dc );
222 char buf[48];
223 int len = snprintf( buf, 48, "%.*lg", DBL_DIG, d );
224 fmt( os, "%s", buf );
225 if ( isfinite( d ) ) checkDecPt( os, buf, len ); // always print decimal point
226 d = cimag( dc );
227 len = snprintf( buf, 48, "%+.*lg", DBL_DIG, d );
228 fmt( os, "%s", buf );
229 if ( isfinite( d ) ) checkDecPt( os, buf, len ); // always print decimal point
230 fmt( os, "i" );
231 return os;
232 } // ?|?
233 void & ?|?( ostype & os, double _Complex dc ) {
234 (ostype &)(os | dc); nl( os );
235 } // ?|?
236
237 ostype & ?|?( ostype & os, long double _Complex ldc ) {
238 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
239// os | creall( ldc ) || nonl;
240 long double ld = creall( ldc );
241 char buf[48];
242 int len = snprintf( buf, 48, "%.*Lg", LDBL_DIG, ld );
243 fmt( os, "%s", buf );
244 if ( isfinite( ld ) ) checkDecPt( os, buf, len ); // always print decimal point
245 ld = cimagl( ldc );
246 len = snprintf( buf, 48, "%+.*Lg", LDBL_DIG, ld );
247 fmt( os, "%s", buf );
248 if ( isfinite( ld ) ) checkDecPt( os, buf, len ); // always print decimal point
249 fmt( os, "i" );
250 return os;
251 } // ?|?
252 void & ?|?( ostype & os, long double _Complex ldc ) {
253 (ostype &)(os | ldc); nl( os );
254 } // ?|?
255
256 ostype & ?|?( ostype & os, const char * str ) {
257 enum { Open = 1, Close, OpenClose };
258 static const unsigned char mask[256] @= {
259 // opening delimiters, no space after
260 ['('] : Open, ['['] : Open, ['{'] : Open,
261 ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
262 [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
263 // closing delimiters, no space before
264 [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
265 ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
266 [')'] : Close, [']'] : Close, ['}'] : Close,
267 // opening-closing delimiters, no space before or after
268 ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
269 [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
270 }; // mask
271
272 if ( str[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
273
274 // first character IS NOT spacing or closing punctuation => add left separator
275 unsigned char ch = str[0]; // must make unsigned
276 if ( sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
277 fmt( os, "%s", sepGetCur( os ) );
278 } // if
279
280 // if string starts line, must reset to determine open state because separator is off
281 sepReset( os ); // reset separator
282
283 // last character IS spacing or opening punctuation => turn off separator for next item
284 size_t len = strlen( str );
285 ch = str[len - 1]; // must make unsigned
286 if ( sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
287 sepOn( os );
288 } else {
289 sepOff( os );
290 } // if
291 if ( ch == '\n' ) setNL( os, true ); // check *AFTER* sepPrt call above as it resets NL flag
292 return write( os, str, len );
293 } // ?|?
294 void ?|?( ostype & os, const char * str ) {
295 (ostype &)(os | str); nl( os );
296 } // ?|?
297
298// ostype & ?|?( ostype & os, const char16_t * str ) {
299// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
300// fmt( os, "%ls", str );
301// return os;
302// } // ?|?
303
304// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
305// ostype & ?|?( ostype & os, const char32_t * str ) {
306// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
307// fmt( os, "%ls", str );
308// return os;
309// } // ?|?
310// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
311
312// ostype & ?|?( ostype & os, const wchar_t * str ) {
313// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
314// fmt( os, "%ls", str );
315// return os;
316// } // ?|?
317
318 ostype & ?|?( ostype & os, const void * p ) {
319 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
320 fmt( os, "%p", p );
321 return os;
322 } // ?|?
323 void ?|?( ostype & os, const void * p ) {
324 (ostype &)(os | p); nl( os );
325 } // ?|?
326
327 // manipulators
328 ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
329 (ostype &)(manip( os ));
330 return os;
331 } // ?|?
332 void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
333 (ostype &)(manip( os ));
334 if ( getPrt( os ) ) nl( os ); // something printed ?
335 setPrt( os, false ); // turn off
336 } // ?|?
337
338 ostype & sep( ostype & os ) {
339 return (ostype &)(os | sepGet( os ));
340 } // sep
341
342 ostype & sepTuple( ostype & os ) {
343 return os | sepGetTuple( os );
344 } // sepTuple
345
346 ostype & nl( ostype & os ) {
347 (ostype &)(os | '\n');
348 setPrt( os, false ); // turn off
349 setNL( os, true );
350 flush( os );
351 return sepOff( os ); // prepare for next line
352 } // nl
353
354 void nl( ostype & os ) {
355 if ( getANL( os ) ) (ostype &)(nl( os )); // implementation only
356 else setPrt( os, false ); // turn off
357 } // nl
358
359 ostype & nonl( ostype & os ) {
360 setPrt( os, false ); // turn off
361 return os;
362 } // nonl
363
364 ostype & sepOn( ostype & os ) {
365 sepOn( os ); // call void returning
366 return os;
367 } // sepOn
368
369 ostype & sepOff( ostype & os ) {
370 sepOff( os ); // call void returning
371 return os;
372 } // sepOff
373
374 ostype & sepEnable( ostype & os ) {
375 sepEnable( os ); // call void returning
376 return os;
377 } // sepEnable
378
379 ostype & sepDisable( ostype & os ) {
380 sepDisable( os ); // call void returning
381 return os;
382 } // sepDisable
383
384 ostype & nlOn( ostype & os ) {
385 nlOn( os ); // call void returning
386 return os;
387 } // nlOn
388
389 ostype & nlOff( ostype & os ) {
390 nlOff( os ); // call void returning
391 return os;
392 } // nlOff
393} // distribution
394
395// tuples
396forall( dtype ostype, otype T, ttype Params | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
397 ostype & ?|?( ostype & os, T arg, Params rest ) {
398 (ostype &)(os | arg); // print first argument
399 sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
400 (ostype &)(os | rest); // print remaining arguments
401 sepSetCur( os, sepGet( os ) ); // switch to regular separator
402 return os;
403 } // ?|?
404 void ?|?( ostype & os, T arg, Params rest ) {
405 // (ostype &)(?|?( os, arg, rest )); nl( os );
406 (ostype &)(os | arg); // print first argument
407 sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
408 (ostype &)(os | rest); // print remaining arguments
409 sepSetCur( os, sepGet( os ) ); // switch to regular separator
410 nl( os );
411 } // ?|?
412} // distribution
413
414//---------------------------------------
415
416// writes the range [begin, end) to the given stream
417forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) ) {
418 void write( iterator_type begin, iterator_type end, ostype & os ) {
419 void print( elt_type i ) { os | i; }
420 for_each( begin, end, print );
421 } // ?|?
422
423 void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
424 void print( elt_type i ) { os | i; }
425 for_each_reverse( begin, end, print );
426 } // ?|?
427} // distribution
428
429//---------------------------------------
430
431forall( dtype istype | istream( istype ) ) {
432 istype & ?|?( istype & is, bool & b ) {
433 char val[6];
434 fmt( is, "%5s", val );
435 if ( strcmp( val, "true" ) == 0 ) b = true;
436 else if ( strcmp( val, "false" ) == 0 ) b = false;
437 else {
438 fprintf( stderr, "invalid Boolean constant\n" );
439 abort();
440 } // if
441 return is;
442 } // ?|?
443
444 istype & ?|?( istype & is, char & c ) {
445 char temp;
446 for () {
447 fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
448 // do not overwrite parameter with newline unless appropriate
449 if ( temp != '\n' || getANL( is ) ) { c = temp; break; }
450 if ( eof( is ) ) break;
451 } // for
452 return is;
453 } // ?|?
454
455 istype & ?|?( istype & is, signed char & sc ) {
456 fmt( is, "%hhd", &sc );
457 return is;
458 } // ?|?
459
460 istype & ?|?( istype & is, unsigned char & usc ) {
461 fmt( is, "%hhu", &usc );
462 return is;
463 } // ?|?
464
465 istype & ?|?( istype & is, short int & si ) {
466 fmt( is, "%hd", &si );
467 return is;
468 } // ?|?
469
470 istype & ?|?( istype & is, unsigned short int & usi ) {
471 fmt( is, "%hu", &usi );
472 return is;
473 } // ?|?
474
475 istype & ?|?( istype & is, int & i ) {
476 fmt( is, "%d", &i );
477 return is;
478 } // ?|?
479
480 istype & ?|?( istype & is, unsigned int & ui ) {
481 fmt( is, "%u", &ui );
482 return is;
483 } // ?|?
484
485 istype & ?|?( istype & is, long int & li ) {
486 fmt( is, "%ld", &li );
487 return is;
488 } // ?|?
489
490 istype & ?|?( istype & is, unsigned long int & ulli ) {
491 fmt( is, "%lu", &ulli );
492 return is;
493 } // ?|?
494
495 istype & ?|?( istype & is, long long int & lli ) {
496 fmt( is, "%lld", &lli );
497 return is;
498 } // ?|?
499
500 istype & ?|?( istype & is, unsigned long long int & ulli ) {
501 fmt( is, "%llu", &ulli );
502 return is;
503 } // ?|?
504
505
506 istype & ?|?( istype & is, float & f ) {
507 fmt( is, "%f", &f );
508 return is;
509 } // ?|?
510
511 istype & ?|?( istype & is, double & d ) {
512 fmt( is, "%lf", &d );
513 return is;
514 } // ?|?
515
516 istype & ?|?( istype & is, long double & ld ) {
517 fmt( is, "%Lf", &ld );
518 return is;
519 } // ?|?
520
521
522 istype & ?|?( istype & is, float _Complex & fc ) {
523 float re, im;
524 fmt( is, "%g%gi", &re, &im );
525 fc = re + im * _Complex_I;
526 return is;
527 } // ?|?
528
529 istype & ?|?( istype & is, double _Complex & dc ) {
530 double re, im;
531 fmt( is, "%lf%lfi", &re, &im );
532 dc = re + im * _Complex_I;
533 return is;
534 } // ?|?
535
536 istype & ?|?( istype & is, long double _Complex & ldc ) {
537 long double re, im;
538 fmt( is, "%Lf%Lfi", &re, &im );
539 ldc = re + im * _Complex_I;
540 return is;
541 } // ?|?
542
543 // manipulators
544 istype & ?|?( istype & is, istype & (* manip)( istype & ) ) {
545 return manip( is );
546 } // ?|?
547
548 istype & nl( istype & is ) {
549 fmt( is, "%*[^\n]" ); // ignore characters to newline
550 return is;
551 } // nl
552
553 istype & nlOn( istype & is ) {
554 nlOn( is ); // call void returning
555 return is;
556 } // nlOn
557
558 istype & nlOff( istype & is ) {
559 nlOff( is ); // call void returning
560 return is;
561 } // nlOff
562} // distribution
563
564_Istream_cstrUC cstr( char * str ) { return (_Istream_cstrUC){ str }; }
565forall( dtype istype | istream( istype ) )
566istype & ?|?( istype & is, _Istream_cstrUC cstr ) {
567 fmt( is, "%s", cstr.s );
568 return is;
569} // cstr
570
571_Istream_cstrC cstr( char * str, int size ) { return (_Istream_cstrC){ str, size }; }
572forall( dtype istype | istream( istype ) )
573istype & ?|?( istype & is, _Istream_cstrC cstr ) {
574 char buf[16];
575 sprintf( buf, "%%%ds", cstr.size );
576 fmt( is, buf, cstr.s );
577 return is;
578} // cstr
579
580// Local Variables: //
581// tab-width: 4 //
582// compile-command: "cfa iostream.cfa" //
583// End: //
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