source: libcfa/src/iostream.cfa@ 7cc0344

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 7cc0344 was e63326b, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago

clean up always printing decimal point for floating-point numbers
  • Property mode set to 100644
File size: 15.7 KB
RevLine 
[86bd7c1f]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//
[a5a71d0]7// iostream.c --
[86bd7c1f]8//
[90c3b1c]9// Author : Peter A. Buhr
[86bd7c1f]10// Created On : Wed May 27 17:56:53 2015
[e24f13a]11// Last Modified By : Peter A. Buhr
[e63326b]12// Last Modified On : Tue May 21 13:01:26 2019
13// Update Count : 674
[86bd7c1f]14//
[51b73452]15
[58b6d1b]16#include "iostream.hfa"
[d3b7937]17
[51b73452]18extern "C" {
19#include <stdio.h>
[53a6c2a]20#include <stdbool.h> // true/false
[200fcb3]21//#include <string.h> // strlen, strcmp
[44574f2]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)));
[52f85e0]24#include <float.h> // DBL_DIG, LDBL_DIG
[b2ac656]25#include <math.h> // isfinite
[d3b7937]26#include <complex.h> // creal, cimag
[51b73452]27}
28
[3ce0d440]29forall( dtype ostype | ostream( ostype ) ) {
[17a1b21]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
[93c2e0a]48 ostype & ?|?( ostype & os, bool b ) {
[3ce0d440]49 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
50 fmt( os, "%s", b ? "true" : "false" );
51 return os;
52 } // ?|?
[200fcb3]53 void ?|?( ostype & os, bool b ) {
[9d362a0]54 (ostype &)(os | b); nl( os );
[200fcb3]55 } // ?|?
[51b73452]56
[200fcb3]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 ) {
[9d362a0]63 (ostype &)(os | c); nl( os );
[3ce0d440]64 } // ?|?
65
[200fcb3]66 ostype & ?|?( ostype & os, signed char sc ) {
[3ce0d440]67 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[200fcb3]68 fmt( os, "%hhd", sc );
[3ce0d440]69 return os;
70 } // ?|?
[200fcb3]71 void ?|?( ostype & os, signed char sc ) {
[9d362a0]72 (ostype &)(os | sc); nl( os );
[200fcb3]73 } // ?|?
[3ce0d440]74
[200fcb3]75 ostype & ?|?( ostype & os, unsigned char usc ) {
[3ce0d440]76 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[200fcb3]77 fmt( os, "%hhu", usc );
[3ce0d440]78 return os;
79 } // ?|?
[200fcb3]80 void ?|?( ostype & os, unsigned char usc ) {
[9d362a0]81 (ostype &)(os | usc); nl( os );
[200fcb3]82 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]89 void & ?|?( ostype & os, short int si ) {
[9d362a0]90 (ostype &)(os | si); nl( os );
[200fcb3]91 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]98 void & ?|?( ostype & os, unsigned short int usi ) {
[9d362a0]99 (ostype &)(os | usi); nl( os );
[200fcb3]100 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]107 void & ?|?( ostype & os, int i ) {
[9d362a0]108 (ostype &)(os | i); nl( os );
[200fcb3]109 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]116 void & ?|?( ostype & os, unsigned int ui ) {
[9d362a0]117 (ostype &)(os | ui); nl( os );
[200fcb3]118 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]125 void & ?|?( ostype & os, long int li ) {
[9d362a0]126 (ostype &)(os | li); nl( os );
[200fcb3]127 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]134 void & ?|?( ostype & os, unsigned long int uli ) {
[9d362a0]135 (ostype &)(os | uli); nl( os );
[200fcb3]136 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]143 void & ?|?( ostype & os, long long int lli ) {
[9d362a0]144 (ostype &)(os | lli); nl( os );
[200fcb3]145 } // ?|?
[3ce0d440]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 } // ?|?
[200fcb3]152 void & ?|?( ostype & os, unsigned long long int ulli ) {
[9d362a0]153 (ostype &)(os | ulli); nl( os );
[200fcb3]154 } // ?|?
[3ce0d440]155
[e63326b]156 #define PrintWithDP( os, format, val, ... ) \
157 { \
158 enum { size = 48 }; \
159 char buf[size]; \
160 int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
161 fmt( os, "%s", buf ); \
162 if ( isfinite( val ) ) { /* if number, always print decimal point */ \
163 for ( int i = 0;; i += 1 ) { \
164 if ( i == len ) { fmt( os, "." ); break; } \
165 if ( buf[i] == '.' ) break; \
166 } /* for */ \
167 } /* if */ \
168 }
[b2ac656]169
[3ce0d440]170 ostype & ?|?( ostype & os, float f ) {
171 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[e63326b]172 PrintWithDP( os, "%g", f );
[3ce0d440]173 return os;
174 } // ?|?
[200fcb3]175 void & ?|?( ostype & os, float f ) {
[9d362a0]176 (ostype &)(os | f); nl( os );
[200fcb3]177 } // ?|?
[3ce0d440]178
179 ostype & ?|?( ostype & os, double d ) {
180 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[e63326b]181 PrintWithDP( os, "%.*lg", d, DBL_DIG );
[3ce0d440]182 return os;
183 } // ?|?
[200fcb3]184 void & ?|?( ostype & os, double d ) {
[9d362a0]185 (ostype &)(os | d); nl( os );
[200fcb3]186 } // ?|?
[3ce0d440]187
188 ostype & ?|?( ostype & os, long double ld ) {
189 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[e63326b]190 PrintWithDP( os, "%.*Lg", ld, LDBL_DIG );
[3ce0d440]191 return os;
192 } // ?|?
[200fcb3]193 void & ?|?( ostype & os, long double ld ) {
[9d362a0]194 (ostype &)(os | ld); nl( os );
[200fcb3]195 } // ?|?
[3ce0d440]196
197 ostype & ?|?( ostype & os, float _Complex fc ) {
198 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[b2ac656]199// os | crealf( fc ) | nonl;
200 float f = crealf( fc );
[e63326b]201 PrintWithDP( os, "%g", f );
[b2ac656]202 f = cimagf( fc );
[e63326b]203 PrintWithDP( os, "%+g", f );
[3c5dee4]204 fmt( os, "i" );
[3ce0d440]205 return os;
206 } // ?|?
[200fcb3]207 void & ?|?( ostype & os, float _Complex fc ) {
[9d362a0]208 (ostype &)(os | fc); nl( os );
[200fcb3]209 } // ?|?
[3ce0d440]210
211 ostype & ?|?( ostype & os, double _Complex dc ) {
212 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[b2ac656]213// os | creal( dc ) | nonl;
214 double d = creal( dc );
[e63326b]215 PrintWithDP( os, "%.*lg", d, DBL_DIG );
[b2ac656]216 d = cimag( dc );
[e63326b]217 PrintWithDP( os, "%+.*lg", d, DBL_DIG );
[3c5dee4]218 fmt( os, "i" );
[3ce0d440]219 return os;
220 } // ?|?
[200fcb3]221 void & ?|?( ostype & os, double _Complex dc ) {
[9d362a0]222 (ostype &)(os | dc); nl( os );
[200fcb3]223 } // ?|?
[3ce0d440]224
225 ostype & ?|?( ostype & os, long double _Complex ldc ) {
226 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[b2ac656]227// os | creall( ldc ) || nonl;
228 long double ld = creall( ldc );
[e63326b]229 PrintWithDP( os, "%.*Lg", ld, LDBL_DIG );
[b2ac656]230 ld = cimagl( ldc );
[e63326b]231 PrintWithDP( os, "%+.*Lg", ld, LDBL_DIG );
[3c5dee4]232 fmt( os, "i" );
[3ce0d440]233 return os;
234 } // ?|?
[200fcb3]235 void & ?|?( ostype & os, long double _Complex ldc ) {
[9d362a0]236 (ostype &)(os | ldc); nl( os );
[200fcb3]237 } // ?|?
[3ce0d440]238
239 ostype & ?|?( ostype & os, const char * str ) {
240 enum { Open = 1, Close, OpenClose };
241 static const unsigned char mask[256] @= {
242 // opening delimiters, no space after
243 ['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]244 ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
245 [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]246 // closing delimiters, no space before
247 [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]248 ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]249 [')'] : Close, [']'] : Close, ['}'] : Close,
250 // opening-closing delimiters, no space before or after
251 ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
252 [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
253 }; // mask
254
255 if ( str[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
256
257 // first character IS NOT spacing or closing punctuation => add left separator
258 unsigned char ch = str[0]; // must make unsigned
259 if ( sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
260 fmt( os, "%s", sepGetCur( os ) );
261 } // if
262
263 // if string starts line, must reset to determine open state because separator is off
264 sepReset( os ); // reset separator
265
266 // last character IS spacing or opening punctuation => turn off separator for next item
267 size_t len = strlen( str );
268 ch = str[len - 1]; // must make unsigned
269 if ( sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
270 sepOn( os );
271 } else {
272 sepOff( os );
273 } // if
274 if ( ch == '\n' ) setNL( os, true ); // check *AFTER* sepPrt call above as it resets NL flag
275 return write( os, str, len );
276 } // ?|?
[200fcb3]277 void ?|?( ostype & os, const char * str ) {
[9d362a0]278 (ostype &)(os | str); nl( os );
[200fcb3]279 } // ?|?
[3ce0d440]280
281// ostype & ?|?( ostype & os, const char16_t * str ) {
282// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
283// fmt( os, "%ls", str );
284// return os;
285// } // ?|?
[d3b7937]286
[3ce0d440]287// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
288// ostype & ?|?( ostype & os, const char32_t * str ) {
289// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
290// fmt( os, "%ls", str );
291// return os;
292// } // ?|?
293// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]294
[3ce0d440]295// ostype & ?|?( ostype & os, const wchar_t * str ) {
296// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
297// fmt( os, "%ls", str );
298// return os;
299// } // ?|?
300
301 ostype & ?|?( ostype & os, const void * p ) {
302 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
303 fmt( os, "%p", p );
304 return os;
305 } // ?|?
[200fcb3]306 void ?|?( ostype & os, const void * p ) {
[9d362a0]307 (ostype &)(os | p); nl( os );
[200fcb3]308 } // ?|?
[3ce0d440]309
310 // manipulators
311 ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[9d362a0]312 (ostype &)(manip( os ));
[200fcb3]313 return os;
314 } // ?|?
315 void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[9d362a0]316 (ostype &)(manip( os ));
317 if ( getPrt( os ) ) nl( os ); // something printed ?
[5ea5b28]318 setPrt( os, false ); // turn off
[3ce0d440]319 } // ?|?
320
321 ostype & sep( ostype & os ) {
[9d362a0]322 return (ostype &)(os | sepGet( os ));
[3ce0d440]323 } // sep
324
325 ostype & sepTuple( ostype & os ) {
[200fcb3]326 return os | sepGetTuple( os );
[3ce0d440]327 } // sepTuple
328
[200fcb3]329 ostype & nl( ostype & os ) {
[9d362a0]330 (ostype &)(os | '\n');
[5ea5b28]331 setPrt( os, false ); // turn off
[3ce0d440]332 setNL( os, true );
333 flush( os );
[200fcb3]334 return sepOff( os ); // prepare for next line
335 } // nl
336
[9d362a0]337 void nl( ostype & os ) {
338 if ( getANL( os ) ) (ostype &)(nl( os )); // implementation only
339 else setPrt( os, false ); // turn off
340 } // nl
341
[200fcb3]342 ostype & nonl( ostype & os ) {
[5ea5b28]343 setPrt( os, false ); // turn off
[3ce0d440]344 return os;
[200fcb3]345 } // nonl
[3ce0d440]346
347 ostype & sepOn( ostype & os ) {
[200fcb3]348 sepOn( os ); // call void returning
[3ce0d440]349 return os;
350 } // sepOn
351
352 ostype & sepOff( ostype & os ) {
[200fcb3]353 sepOff( os ); // call void returning
[3ce0d440]354 return os;
355 } // sepOff
[6de9f4a]356
[3ce0d440]357 ostype & sepEnable( ostype & os ) {
[200fcb3]358 sepEnable( os ); // call void returning
[3ce0d440]359 return os;
360 } // sepEnable
[b6dc097]361
[3ce0d440]362 ostype & sepDisable( ostype & os ) {
[200fcb3]363 sepDisable( os ); // call void returning
[3ce0d440]364 return os;
365 } // sepDisable
[cf16f94]366
[200fcb3]367 ostype & nlOn( ostype & os ) {
368 nlOn( os ); // call void returning
369 return os;
370 } // nlOn
371
372 ostype & nlOff( ostype & os ) {
373 nlOff( os ); // call void returning
374 return os;
375 } // nlOff
376} // distribution
[cf16f94]377
[c443d1d]378// tuples
[200fcb3]379forall( dtype ostype, otype T, ttype Params | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
380 ostype & ?|?( ostype & os, T arg, Params rest ) {
[9d362a0]381 (ostype &)(os | arg); // print first argument
[200fcb3]382 sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]383 (ostype &)(os | rest); // print remaining arguments
[200fcb3]384 sepSetCur( os, sepGet( os ) ); // switch to regular separator
385 return os;
386 } // ?|?
387 void ?|?( ostype & os, T arg, Params rest ) {
[9d362a0]388 // (ostype &)(?|?( os, arg, rest )); nl( os );
389 (ostype &)(os | arg); // print first argument
[200fcb3]390 sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]391 (ostype &)(os | rest); // print remaining arguments
[200fcb3]392 sepSetCur( os, sepGet( os ) ); // switch to regular separator
[9d362a0]393 nl( os );
[200fcb3]394 } // ?|?
395} // distribution
[c443d1d]396
[6ba0659]397//---------------------------------------
398
[3ce0d440]399// writes the range [begin, end) to the given stream
[200fcb3]400forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) ) {
401 void write( iterator_type begin, iterator_type end, ostype & os ) {
402 void print( elt_type i ) { os | i; }
403 for_each( begin, end, print );
404 } // ?|?
405
406 void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
407 void print( elt_type i ) { os | i; }
408 for_each_reverse( begin, end, print );
409 } // ?|?
410} // distribution
[e56cfdb0]411
[6ba0659]412//---------------------------------------
[e56cfdb0]413
[3ce0d440]414forall( dtype istype | istream( istype ) ) {
[93c2e0a]415 istype & ?|?( istype & is, bool & b ) {
[3ce0d440]416 char val[6];
417 fmt( is, "%5s", val );
418 if ( strcmp( val, "true" ) == 0 ) b = true;
419 else if ( strcmp( val, "false" ) == 0 ) b = false;
420 else {
[93c2e0a]421 fprintf( stderr, "invalid Boolean constant\n" );
[3ce0d440]422 abort();
423 } // if
424 return is;
425 } // ?|?
426
427 istype & ?|?( istype & is, char & c ) {
[0efb269]428 char temp;
429 for () {
430 fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
431 // do not overwrite parameter with newline unless appropriate
432 if ( temp != '\n' || getANL( is ) ) { c = temp; break; }
433 if ( eof( is ) ) break;
434 } // for
[3ce0d440]435 return is;
436 } // ?|?
437
438 istype & ?|?( istype & is, signed char & sc ) {
439 fmt( is, "%hhd", &sc );
440 return is;
441 } // ?|?
442
443 istype & ?|?( istype & is, unsigned char & usc ) {
444 fmt( is, "%hhu", &usc );
445 return is;
446 } // ?|?
447
448 istype & ?|?( istype & is, short int & si ) {
449 fmt( is, "%hd", &si );
450 return is;
451 } // ?|?
452
453 istype & ?|?( istype & is, unsigned short int & usi ) {
454 fmt( is, "%hu", &usi );
455 return is;
456 } // ?|?
457
458 istype & ?|?( istype & is, int & i ) {
459 fmt( is, "%d", &i );
460 return is;
461 } // ?|?
462
463 istype & ?|?( istype & is, unsigned int & ui ) {
464 fmt( is, "%u", &ui );
465 return is;
466 } // ?|?
467
468 istype & ?|?( istype & is, long int & li ) {
469 fmt( is, "%ld", &li );
470 return is;
471 } // ?|?
472
473 istype & ?|?( istype & is, unsigned long int & ulli ) {
474 fmt( is, "%lu", &ulli );
475 return is;
476 } // ?|?
477
478 istype & ?|?( istype & is, long long int & lli ) {
479 fmt( is, "%lld", &lli );
480 return is;
481 } // ?|?
482
483 istype & ?|?( istype & is, unsigned long long int & ulli ) {
484 fmt( is, "%llu", &ulli );
485 return is;
486 } // ?|?
487
488
489 istype & ?|?( istype & is, float & f ) {
490 fmt( is, "%f", &f );
491 return is;
492 } // ?|?
493
494 istype & ?|?( istype & is, double & d ) {
495 fmt( is, "%lf", &d );
496 return is;
497 } // ?|?
498
499 istype & ?|?( istype & is, long double & ld ) {
500 fmt( is, "%Lf", &ld );
501 return is;
502 } // ?|?
503
504
505 istype & ?|?( istype & is, float _Complex & fc ) {
506 float re, im;
507 fmt( is, "%g%gi", &re, &im );
508 fc = re + im * _Complex_I;
509 return is;
510 } // ?|?
511
512 istype & ?|?( istype & is, double _Complex & dc ) {
513 double re, im;
514 fmt( is, "%lf%lfi", &re, &im );
515 dc = re + im * _Complex_I;
516 return is;
517 } // ?|?
518
519 istype & ?|?( istype & is, long double _Complex & ldc ) {
520 long double re, im;
521 fmt( is, "%Lf%Lfi", &re, &im );
522 ldc = re + im * _Complex_I;
523 return is;
524 } // ?|?
525
526 // manipulators
527 istype & ?|?( istype & is, istype & (* manip)( istype & ) ) {
528 return manip( is );
529 } // ?|?
530
[200fcb3]531 istype & nl( istype & is ) {
[3c5dee4]532 fmt( is, "%*[^\n]" ); // ignore characters to newline
[3ce0d440]533 return is;
[200fcb3]534 } // nl
[0efb269]535
536 istype & nlOn( istype & is ) {
537 nlOn( is ); // call void returning
538 return is;
539 } // nlOn
540
541 istype & nlOff( istype & is ) {
542 nlOff( is ); // call void returning
543 return is;
544 } // nlOff
[3ce0d440]545} // distribution
[44574f2]546
[e24f13a]547_Istream_cstrUC cstr( char * str ) { return (_Istream_cstrUC){ str }; }
[90c3b1c]548forall( dtype istype | istream( istype ) )
[09687aa]549istype & ?|?( istype & is, _Istream_cstrUC cstr ) {
[829c907]550 fmt( is, "%s", cstr.s );
[90c3b1c]551 return is;
[53ba273]552} // cstr
[90c3b1c]553
[e24f13a]554_Istream_cstrC cstr( char * str, int size ) { return (_Istream_cstrC){ str, size }; }
[90c3b1c]555forall( dtype istype | istream( istype ) )
[09687aa]556istype & ?|?( istype & is, _Istream_cstrC cstr ) {
[90c3b1c]557 char buf[16];
[53ba273]558 sprintf( buf, "%%%ds", cstr.size );
[829c907]559 fmt( is, buf, cstr.s );
[90c3b1c]560 return is;
[53ba273]561} // cstr
[90c3b1c]562
[86bd7c1f]563// Local Variables: //
564// tab-width: 4 //
[084520f]565// compile-command: "cfa iostream.cfa" //
[86bd7c1f]566// End: //
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