source: src/libcfa/iostream.c@ f229fc2

new-env with_gc
Last change on this file since f229fc2 was 44574f2, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago

add _Bool read and read endl-manipulator to skip whitespace
  • Property mode set to 100644
File size: 12.9 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 : Thu Jan 25 13:09:28 2018
13// Update Count : 467
14//
15
16#include "iostream"
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 <complex.h> // creal, cimag
26}
27
28forall( dtype ostype | ostream( ostype ) )
29ostype & ?|?( ostype & os, _Bool b ) {
30 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
31 fmt( os, "%s", b ? "true" : "false" );
32 return os;
33} // ?|?
34
35forall( dtype ostype | ostream( ostype ) )
36ostype & ?|?( ostype & os, char ch ) {
37 fmt( os, "%c", ch );
38 if ( ch == '\n' ) setNL( os, true );
39 sepOff( os );
40 return os;
41} // ?|?
42
43forall( dtype ostype | ostream( ostype ) )
44ostype & ?|?( ostype & os, signed char c ) {
45 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
46 fmt( os, "%hhd", c );
47 return os;
48} // ?|?
49
50forall( dtype ostype | ostream( ostype ) )
51ostype & ?|?( ostype & os, unsigned char c ) {
52 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
53 fmt( os, "%hhu", c );
54 return os;
55} // ?|?
56
57forall( dtype ostype | ostream( ostype ) )
58ostype & ?|?( ostype & os, short int si ) {
59 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
60 fmt( os, "%hd", si );
61 return os;
62} // ?|?
63
64forall( dtype ostype | ostream( ostype ) )
65ostype & ?|?( ostype & os, unsigned short int usi ) {
66 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
67 fmt( os, "%hu", usi );
68 return os;
69} // ?|?
70
71forall( dtype ostype | ostream( ostype ) )
72ostype & ?|?( ostype & os, int i ) {
73 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
74 fmt( os, "%d", i );
75 return os;
76} // ?|?
77
78forall( dtype ostype | ostream( ostype ) )
79ostype & ?|?( ostype & os, unsigned int ui ) {
80 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
81 fmt( os, "%u", ui );
82 return os;
83} // ?|?
84
85forall( dtype ostype | ostream( ostype ) )
86ostype & ?|?( ostype & os, long int li ) {
87 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
88 fmt( os, "%ld", li );
89 return os;
90} // ?|?
91
92forall( dtype ostype | ostream( ostype ) )
93ostype & ?|?( ostype & os, unsigned long int uli ) {
94 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
95 fmt( os, "%lu", uli );
96 return os;
97} // ?|?
98
99forall( dtype ostype | ostream( ostype ) )
100ostype & ?|?( ostype & os, long long int lli ) {
101 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
102 fmt( os, "%lld", lli );
103 return os;
104} // ?|?
105
106forall( dtype ostype | ostream( ostype ) )
107ostype & ?|?( ostype & os, unsigned long long int ulli ) {
108 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
109 fmt( os, "%llu", ulli );
110 return os;
111} // ?|?
112
113forall( dtype ostype | ostream( ostype ) )
114ostype & ?|?( ostype & os, float f ) {
115 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
116 fmt( os, "%g", f );
117 return os;
118} // ?|?
119
120forall( dtype ostype | ostream( ostype ) )
121ostype & ?|?( ostype & os, double d ) {
122 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
123 fmt( os, "%.*lg", DBL_DIG, d );
124 return os;
125} // ?|?
126
127forall( dtype ostype | ostream( ostype ) )
128ostype & ?|?( ostype & os, long double ld ) {
129 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
130 fmt( os, "%.*Lg", LDBL_DIG, ld );
131 return os;
132} // ?|?
133
134forall( dtype ostype | ostream( ostype ) )
135ostype & ?|?( ostype & os, float _Complex fc ) {
136 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
137 fmt( os, "%g%+gi", crealf( fc ), cimagf( fc ) );
138 return os;
139} // ?|?
140
141forall( dtype ostype | ostream( ostype ) )
142ostype & ?|?( ostype & os, double _Complex dc ) {
143 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
144 fmt( os, "%.*lg%+.*lgi", DBL_DIG, creal( dc ), DBL_DIG, cimag( dc ) );
145 return os;
146} // ?|?
147
148forall( dtype ostype | ostream( ostype ) )
149ostype & ?|?( ostype & os, long double _Complex ldc ) {
150 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
151 fmt( os, "%.*Lg%+.*Lgi", LDBL_DIG, creall( ldc ), LDBL_DIG, cimagl( ldc ) );
152 return os;
153} // ?|?
154
155forall( dtype ostype | ostream( ostype ) )
156ostype & ?|?( ostype & os, const char * str ) {
157 enum { Open = 1, Close, OpenClose };
158 static const unsigned char mask[256] @= {
159 // opening delimiters, no space after
160 ['('] : Open, ['['] : Open, ['{'] : Open,
161 ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
162 [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
163 // closing delimiters, no space before
164 [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
165 ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
166 [')'] : Close, [']'] : Close, ['}'] : Close,
167 // opening-closing delimiters, no space before or after
168 ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
169 [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
170 }; // mask
171
172 if ( str[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
173
174 // first character IS NOT spacing or closing punctuation => add left separator
175 unsigned char ch = str[0]; // must make unsigned
176 if ( sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
177 fmt( os, "%s", sepGetCur( os ) );
178 } // if
179
180 // if string starts line, must reset to determine open state because separator is off
181 sepReset( os ); // reset separator
182
183 // last character IS spacing or opening punctuation => turn off separator for next item
184 size_t len = strlen( str );
185 ch = str[len - 1]; // must make unsigned
186 if ( sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
187 sepOn( os );
188 } else {
189 sepOff( os );
190 } // if
191 if ( ch == '\n' ) setNL( os, true ); // check *AFTER* sepPrt call above as it resets NL flag
192 return write( os, str, len );
193} // ?|?
194
195forall( dtype ostype | ostream( ostype ) )
196ostype & ?|?( ostype & os, const char16_t * str ) {
197 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
198 fmt( os, "%ls", str );
199 return os;
200} // ?|?
201
202#if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
203forall( dtype ostype | ostream( ostype ) )
204ostype & ?|?( ostype & os, const char32_t * str ) {
205 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
206 fmt( os, "%ls", str );
207 return os;
208} // ?|?
209#endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
210
211forall( dtype ostype | ostream( ostype ) )
212ostype & ?|?( ostype & os, const wchar_t * str ) {
213 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
214 fmt( os, "%ls", str );
215 return os;
216} // ?|?
217
218forall( dtype ostype | ostream( ostype ) )
219ostype & ?|?( ostype & os, const void * p ) {
220 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
221 fmt( os, "%p", p );
222 return os;
223} // ?|?
224
225
226// tuples
227forall( dtype ostype, otype T, ttype Params | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } )
228ostype & ?|?( ostype & os, T arg, Params rest ) {
229 os | arg; // print first argument
230 sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
231 os | rest; // print remaining arguments
232 sepSetCur( os, sepGet( os ) ); // switch to regular separator
233 return os;
234} // ?|?
235
236
237// manipulators
238forall( dtype ostype | ostream( ostype ) )
239ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
240 return manip( os );
241} // ?|?
242
243forall( dtype ostype | ostream( ostype ) )
244ostype & sep( ostype & os ) {
245 os | sepGet( os );
246 return os;
247} // sep
248
249forall( dtype ostype | ostream( ostype ) )
250ostype & sepTuple( ostype & os ) {
251 os | sepGetTuple( os );
252 return os;
253} // sepTuple
254
255forall( dtype ostype | ostream( ostype ) )
256ostype & endl( ostype & os ) {
257 os | '\n';
258 setNL( os, true );
259 flush( os );
260 sepOff( os ); // prepare for next line
261 return os;
262} // endl
263
264forall( dtype ostype | ostream( ostype ) )
265ostype & sepOn( ostype & os ) {
266 sepOn( os );
267 return os;
268} // sepOn
269
270forall( dtype ostype | ostream( ostype ) )
271ostype & sepOff( ostype & os ) {
272 sepOff( os );
273 return os;
274} // sepOff
275
276forall( dtype ostype | ostream( ostype ) )
277ostype & sepEnable( ostype & os ) {
278 sepEnable( os );
279 return os;
280} // sepEnable
281
282forall( dtype ostype | ostream( ostype ) )
283ostype & sepDisable( ostype & os ) {
284 sepDisable( os );
285 return os;
286} // sepDisable
287
288//---------------------------------------
289
290forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) )
291void write( iterator_type begin, iterator_type end, ostype & os ) {
292 void print( elt_type i ) { os | i; }
293 for_each( begin, end, print );
294} // ?|?
295
296forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) )
297void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
298 void print( elt_type i ) { os | i; }
299 for_each_reverse( begin, end, print );
300} // ?|?
301
302//---------------------------------------
303
304forall( dtype istype | istream( istype ) )
305istype & ?|?( istype & is, _Bool & b ) {
306 char val[6];
307 fmt( is, "%5s", val );
308 if ( strcmp( val, "true" ) == 0 ) b = true;
309 else if ( strcmp( val, "false" ) == 0 ) b = false;
310 else {
311 fprintf( stderr, "invalid _Bool constant\n" );
312 abort();
313 } // if
314 return is;
315} // ?|?
316
317forall( dtype istype | istream( istype ) )
318istype & ?|?( istype & is, char & c ) {
319 fmt( is, "%c", &c ); // must pass pointer through varg to fmt
320 return is;
321} // ?|?
322
323forall( dtype istype | istream( istype ) )
324istype & ?|?( istype & is, signed char & sc ) {
325 fmt( is, "%hhd", &sc );
326 return is;
327} // ?|?
328
329forall( dtype istype | istream( istype ) )
330istype & ?|?( istype & is, unsigned char & usc ) {
331 fmt( is, "%hhu", &usc );
332 return is;
333} // ?|?
334
335forall( dtype istype | istream( istype ) )
336istype & ?|?( istype & is, short int & si ) {
337 fmt( is, "%hd", &si );
338 return is;
339} // ?|?
340
341forall( dtype istype | istream( istype ) )
342istype & ?|?( istype & is, unsigned short int & usi ) {
343 fmt( is, "%hu", &usi );
344 return is;
345} // ?|?
346
347forall( dtype istype | istream( istype ) )
348istype & ?|?( istype & is, int & i ) {
349 fmt( is, "%d", &i );
350 return is;
351} // ?|?
352
353forall( dtype istype | istream( istype ) )
354istype & ?|?( istype & is, unsigned int & ui ) {
355 fmt( is, "%u", &ui );
356 return is;
357} // ?|?
358
359forall( dtype istype | istream( istype ) )
360istype & ?|?( istype & is, long int & li ) {
361 fmt( is, "%ld", &li );
362 return is;
363} // ?|?
364
365forall( dtype istype | istream( istype ) )
366istype & ?|?( istype & is, unsigned long int & ulli ) {
367 fmt( is, "%lu", &ulli );
368 return is;
369} // ?|?
370
371forall( dtype istype | istream( istype ) )
372istype & ?|?( istype & is, long long int & lli ) {
373 fmt( is, "%lld", &lli );
374 return is;
375} // ?|?
376
377forall( dtype istype | istream( istype ) )
378istype & ?|?( istype & is, unsigned long long int & ulli ) {
379 fmt( is, "%llu", &ulli );
380 return is;
381} // ?|?
382
383
384forall( dtype istype | istream( istype ) )
385istype & ?|?( istype & is, float & f ) {
386 fmt( is, "%f", &f );
387 return is;
388} // ?|?
389
390forall( dtype istype | istream( istype ) )
391istype & ?|?( istype & is, double & d ) {
392 fmt( is, "%lf", &d );
393 return is;
394} // ?|?
395
396forall( dtype istype | istream( istype ) )
397istype & ?|?( istype & is, long double & ld ) {
398 fmt( is, "%Lf", &ld );
399 return is;
400} // ?|?
401
402
403forall( dtype istype | istream( istype ) )
404istype & ?|?( istype & is, float _Complex & fc ) {
405 float re, im;
406 fmt( is, "%g%gi", &re, &im );
407 fc = re + im * _Complex_I;
408 return is;
409} // ?|?
410
411forall( dtype istype | istream( istype ) )
412istype & ?|?( istype & is, double _Complex & dc ) {
413 double re, im;
414 fmt( is, "%lf%lfi", &re, &im );
415 dc = re + im * _Complex_I;
416 return is;
417} // ?|?
418
419forall( dtype istype | istream( istype ) )
420istype & ?|?( istype & is, long double _Complex & ldc ) {
421 long double re, im;
422 fmt( is, "%Lf%Lfi", &re, &im );
423 ldc = re + im * _Complex_I;
424 return is;
425} // ?|?
426
427forall( dtype istype | istream( istype ) )
428istype & ?|?( istype & is, istype & (* manip)( istype & ) ) {
429 return manip( is );
430} // ?|?
431
432forall( dtype istype | istream( istype ) )
433istype & endl( istype & is ) {
434 fmt( is, "%*[ \t\f\n\r\v]" ); // ignore whitespace
435 return is;
436} // endl
437
438_Istream_cstrUC cstr( char * str ) { return (_Istream_cstrUC){ str }; }
439forall( dtype istype | istream( istype ) )
440istype & ?|?( istype & is, _Istream_cstrUC cstr ) {
441 fmt( is, "%s", cstr.s );
442 return is;
443} // cstr
444
445_Istream_cstrC cstr( char * str, int size ) { return (_Istream_cstrC){ str, size }; }
446forall( dtype istype | istream( istype ) )
447istype & ?|?( istype & is, _Istream_cstrC cstr ) {
448 char buf[16];
449 sprintf( buf, "%%%ds", cstr.size );
450 fmt( is, buf, cstr.s );
451 return is;
452} // cstr
453
454// Local Variables: //
455// tab-width: 4 //
456// compile-command: "cfa iostream.c" //
457// End: //
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