source: libcfa/src/iostream.hfa@ c03c1ac

Last change on this file since c03c1ac was c635047, checked in by Peter A. Buhr <pabuhr@…>, 2 years ago

more convertion to new void-creation stream macros
  • Property mode set to 100644
File size: 20.9 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.hfa --
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 : Tue Jul 18 15:57:21 2023
13// Update Count : 462
14//
15
16#pragma once
17
18#include "iterator.hfa"
19
20
21// *********************************** ostream ***********************************
22
23
24forall( ostype & )
25trait basic_ostream {
26 // private
27 bool sepPrt$( ostype & ); // get separator state (on/off)
28 void sepReset$( ostype & ); // set separator state to default state
29 void sepReset$( ostype &, bool ); // set separator and default state
30 const char * sepGetCur$( ostype & ); // get current separator string
31 void sepSetCur$( ostype &, const char [] ); // set current separator string
32 bool getNL$( ostype & ); // check newline
33 void setNL$( ostype &, bool ); // saw newline
34 bool getANL$( ostype & ); // get auto newline (on/off)
35 bool getPrt$( ostype & ); // get fmt called in output cascade
36 void setPrt$( ostype &, bool ); // set fmt called in output cascade
37 // public
38 void nlOn( ostype & ); // turn auto-newline state on
39 void nlOff( ostype & ); // turn auto-newline state off
40
41 void sep( ostype & ); // turn separator state on
42 void nosep( ostype & ); // turn separator state off
43 bool sepOn( ostype & ); // set default state to on, and return previous state
44 bool sepOff( ostype & ); // set default state to off, and return previous state
45 const char * sepGet( ostype & ); // get separator string
46 void sepSet( ostype &, const char [] ); // set separator to string (15 character maximum)
47 const char * sepGetTuple( ostype & ); // get tuple separator string
48 void sepSetTuple( ostype &, const char [] ); // set tuple separator to string (15 character maximum)
49
50 void ends( ostype & ); // end of output statement
51 int fmt( ostype &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
52}; // basic_ostream
53
54forall( ostype & | basic_ostream( ostype ) )
55trait ostream {
56 bool fail( ostype & ); // operation failed?
57 void clear( ostype & );
58 int flush( ostype & );
59 void open( ostype &, const char name[], const char mode[] );
60 void close( ostype & );
61 ostype & write( ostype &, const char [], size_t );
62}; // ostream
63
64// forall( T )
65// trait writeable {
66// forall( ostype & | ostream( ostype ) ) ostype & ?|?( ostype &, T );
67// }; // writeable
68
69forall( T, ostype & | ostream( ostype ) )
70trait writeable {
71 ostype & ?|?( ostype &, T );
72}; // writeable
73
74// implement writable for intrinsic types
75
76#define OSTYPE_VOID( T ) void ?|?( ostype &, T )
77#define OSTYPE_VOID_IMPL( T ) \
78 void ?|?( ostype & os, T t ) { \
79 (ostype &)(os | t); ends( os ); \
80 } // ?|?
81
82forall( ostype & | basic_ostream( ostype ) ) {
83 ostype & ?|?( ostype &, bool );
84 OSTYPE_VOID( bool );
85
86 ostype & ?|?( ostype &, char );
87 OSTYPE_VOID( char );
88 ostype & ?|?( ostype &, signed char );
89 OSTYPE_VOID( signed char );
90 ostype & ?|?( ostype &, unsigned char );
91 OSTYPE_VOID( unsigned char );
92
93 ostype & ?|?( ostype &, short int );
94 OSTYPE_VOID( short int );
95 ostype & ?|?( ostype &, unsigned short int );
96 OSTYPE_VOID( unsigned short int );
97 ostype & ?|?( ostype &, int );
98 OSTYPE_VOID( int );
99 ostype & ?|?( ostype &, unsigned int );
100 OSTYPE_VOID( unsigned int );
101 ostype & ?|?( ostype &, long int );
102 OSTYPE_VOID( long int );
103 ostype & ?|?( ostype &, long long int );
104 OSTYPE_VOID( long long int );
105 ostype & ?|?( ostype &, unsigned long int );
106 OSTYPE_VOID( unsigned long int );
107 ostype & ?|?( ostype &, unsigned long long int );
108 OSTYPE_VOID( unsigned long long int );
109 #if defined( __SIZEOF_INT128__ )
110 ostype & ?|?( ostype &, int128 );
111 OSTYPE_VOID( int128 );
112 ostype & ?|?( ostype &, unsigned int128 );
113 OSTYPE_VOID( unsigned int128 );
114 #endif // __SIZEOF_INT128__
115
116 ostype & ?|?( ostype &, float );
117 OSTYPE_VOID( float );
118 ostype & ?|?( ostype &, double );
119 OSTYPE_VOID( double );
120 ostype & ?|?( ostype &, long double );
121 OSTYPE_VOID( long double );
122
123 ostype & ?|?( ostype &, float _Complex );
124 OSTYPE_VOID( float _Complex );
125 ostype & ?|?( ostype &, double _Complex );
126 OSTYPE_VOID( double _Complex );
127 ostype & ?|?( ostype &, long double _Complex );
128 OSTYPE_VOID( long double _Complex );
129
130 ostype & ?|?( ostype &, const char [] );
131 OSTYPE_VOID( const char [] );
132 // ostype & ?|?( ostype &, const char16_t * );
133 #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
134 // ostype & ?|?( ostype &, const char32_t * );
135 #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
136 // ostype & ?|?( ostype &, const wchar_t * );
137 ostype & ?|?( ostype &, const void * );
138 OSTYPE_VOID( const void * );
139
140 // forall( T | { ostype & ?|?( ostype &, T ); } )
141 // void ?|?( ostype & os, T );
142
143 // manipulators
144 ostype & ?|?( ostype &, ostype & (*)( ostype & ) );
145 OSTYPE_VOID( ostype & (*)( ostype & ) );
146
147 ostype & nl( ostype & );
148 ostype & nonl( ostype & );
149 ostype & nlOn( ostype & );
150 ostype & nlOff( ostype & );
151
152 ostype & sepVal( ostype & );
153 ostype & sepTupleVal( ostype & );
154 ostype & sep( ostype & );
155 ostype & nosep( ostype & );
156 ostype & sepOn( ostype & );
157 ostype & sepOff( ostype & );
158} // distribution
159
160// tuples
161forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
162 ostype & ?|?( ostype & os, T arg, Params rest );
163 void ?|?( ostype & os, T arg, Params rest );
164} // distribution
165
166// writes the range [begin, end) to the given stream
167forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) {
168 void write( iterator_type begin, iterator_type end, ostype & os );
169 void write_reverse( iterator_type begin, iterator_type end, ostype & os );
170} // distribution
171
172// *********************************** manipulators ***********************************
173
174struct _Ostream_Flags {
175 unsigned char eng:1; // engineering notation
176 unsigned char neg:1; // val is negative
177 unsigned char pc:1; // precision specified
178 unsigned char left:1; // left justify
179 unsigned char nobsdp:1; // base prefix / decimal point
180 unsigned char sign:1; // plus / minus sign
181 unsigned char pad0:1; // zero pad
182};
183
184forall( T )
185struct _Ostream_Manip {
186 T val; // polymorphic base-type
187 int wd, pc; // width, precision: signed for computations
188 char base; // numeric base / floating-point style
189 union {
190 unsigned char all;
191 _Ostream_Flags flags;
192 };
193}; // _Ostream_Manip
194
195// *********************************** integral ***********************************
196
197// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
198// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
199// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***
200
201#define INTEGRAL_FMT_DECL( T, CODE ) \
202static inline { \
203 _Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
204 _Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
205 _Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
206 _Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
207 _Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
208 _Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
209 _Ostream_Manip(T) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
210 _Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
211 _Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
212 _Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
213 _Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
214 _Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
215 _Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
216} /* distribution */ \
217forall( ostype & | basic_ostream( ostype ) ) { \
218 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
219 OSTYPE_VOID( _Ostream_Manip(T) ); \
220} // ?|?
221
222INTEGRAL_FMT_DECL( signed char, 'd' )
223INTEGRAL_FMT_DECL( unsigned char, 'u' )
224INTEGRAL_FMT_DECL( signed short int, 'd' )
225INTEGRAL_FMT_DECL( unsigned short int, 'u' )
226INTEGRAL_FMT_DECL( signed int, 'd' )
227INTEGRAL_FMT_DECL( unsigned int, 'u' )
228INTEGRAL_FMT_DECL( signed long int, 'd' )
229INTEGRAL_FMT_DECL( unsigned long int, 'u' )
230INTEGRAL_FMT_DECL( signed long long int, 'd' )
231INTEGRAL_FMT_DECL( unsigned long long int, 'u' )
232#if defined( __SIZEOF_INT128__ )
233INTEGRAL_FMT_DECL( int128, 'd' )
234INTEGRAL_FMT_DECL( unsigned int128, 'u' )
235#endif // __SIZEOF_INT128__
236
237// *********************************** floating point ***********************************
238
239// Default suffix for values with no fraction is "."
240#define FLOATING_POINT_FMT_DECL( T ) \
241static inline { \
242 _Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
243 _Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
244 _Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
245 _Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
246 _Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
247 _Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
248 _Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
249 _Ostream_Manip(T) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
250 _Ostream_Manip(T) & ws( unsigned int w, unsigned int pc, _Ostream_Manip(T) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; } \
251 _Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
252 _Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
253 _Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
254 _Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
255 _Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
256 _Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
257 _Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
258 _Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
259 _Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
260 _Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
261} /* distribution */ \
262forall( ostype & | basic_ostream( ostype ) ) { \
263 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
264 OSTYPE_VOID( _Ostream_Manip(T) ); \
265} // ?|?
266
267FLOATING_POINT_FMT_DECL( double )
268FLOATING_POINT_FMT_DECL( long double )
269
270// *********************************** character ***********************************
271
272static inline {
273 _Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
274 _Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
275 _Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
276 _Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
277 _Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
278 _Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
279 _Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
280 _Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
281} // distribution
282forall( ostype & | basic_ostream( ostype ) ) {
283 ostype & ?|?( ostype & os, _Ostream_Manip(char) f );
284 OSTYPE_VOID( _Ostream_Manip(char) ); \
285} // ?|?
286
287// *********************************** C string ***********************************
288
289static inline {
290 _Ostream_Manip(const char *) bin( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'b', { .all : 0 } }; }
291 _Ostream_Manip(const char *) oct( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'o', { .all : 0 } }; }
292 _Ostream_Manip(const char *) hex( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'x', { .all : 0 } }; }
293 _Ostream_Manip(const char *) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, 0, 's', { .all : 0 } }; }
294 _Ostream_Manip(const char *) wd( unsigned int w, unsigned int pc, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, pc, 's', { .flags.pc : true } }; }
295 _Ostream_Manip(const char *) & wd( unsigned int w, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; return fmt; }
296 _Ostream_Manip(const char *) & wd( unsigned int w, unsigned int pc, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; fmt.pc = pc; fmt.flags.pc = true; return fmt; }
297 _Ostream_Manip(const char *) & left( _Ostream_Manip(const char *) & fmt ) { fmt.flags.left = true; return fmt; }
298 _Ostream_Manip(const char *) & nobase( _Ostream_Manip(const char *) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
299} // distribution
300forall( ostype & | basic_ostream( ostype ) ) {
301 ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f );
302 OSTYPE_VOID( _Ostream_Manip(const char *) ); \
303} // ?|?
304
305
306// *********************************** istream ***********************************
307
308
309#define ISTYPE_VOID( T ) void ?|?( istype &, T )
310#define ISTYPE_VOID_IMPL( T ) \
311 void ?|?( istype & is, T t ) { \
312 (istype &)(is | t); ends( is ); \
313 } // ?|?
314
315forall( istype & )
316trait basic_istream {
317 // private
318 bool getANL$( istype & ); // get scan newline (on/off)
319 // public
320 void nlOn( istype & ); // read newline
321 void nlOff( istype & ); // scan newline
322 void ends( istype & os ); // end of output statement
323 int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
324 istype & ungetc( istype &, char );
325 bool eof( istype & );
326}; // basic_istream
327
328forall( istype & | basic_istream( istype ) )
329trait istream {
330 bool fail( istype & );
331 void clear( istype & );
332 void open( istype & is, const char name[] );
333 void close( istype & is );
334 istype & read( istype &, char [], size_t );
335}; // istream
336
337forall( T )
338trait readable {
339 forall( istype & | istream( istype ) ) istype & ?|?( istype &, T );
340}; // readable
341
342forall( istype & | basic_istream( istype ) ) {
343 istype & ?|?( istype &, bool & );
344 ISTYPE_VOID( bool & );
345
346 istype & ?|?( istype &, char & );
347 ISTYPE_VOID( char & );
348 istype & ?|?( istype &, signed char & );
349 ISTYPE_VOID( signed char & );
350 istype & ?|?( istype &, unsigned char & );
351 ISTYPE_VOID( unsigned char & );
352
353 istype & ?|?( istype &, short int & );
354 ISTYPE_VOID( short int & );
355 istype & ?|?( istype &, unsigned short int & );
356 ISTYPE_VOID( unsigned short int & );
357 istype & ?|?( istype &, int & );
358 ISTYPE_VOID( int & );
359 istype & ?|?( istype &, unsigned int & );
360 ISTYPE_VOID( unsigned int & );
361 istype & ?|?( istype &, long int & );
362 ISTYPE_VOID( long int & );
363 istype & ?|?( istype &, unsigned long int & );
364 ISTYPE_VOID( unsigned long int & );
365 istype & ?|?( istype &, long long int & );
366 ISTYPE_VOID( long long int & );
367 istype & ?|?( istype &, unsigned long long int & );
368 ISTYPE_VOID( unsigned long long int & );
369 #if defined( __SIZEOF_INT128__ )
370 istype & ?|?( istype &, int128 & );
371 ISTYPE_VOID( int128 & );
372 istype & ?|?( istype &, unsigned int128 & );
373 ISTYPE_VOID( unsigned int128 & );
374 #endif // __SIZEOF_INT128__
375
376 istype & ?|?( istype &, float & );
377 ISTYPE_VOID( float & );
378 istype & ?|?( istype &, double & );
379 ISTYPE_VOID( double & );
380 istype & ?|?( istype &, long double & );
381 ISTYPE_VOID( long double & );
382
383 istype & ?|?( istype &, float _Complex & );
384 ISTYPE_VOID( float _Complex & );
385 istype & ?|?( istype &, double _Complex & );
386 ISTYPE_VOID( double _Complex & );
387 istype & ?|?( istype &, long double _Complex & );
388 ISTYPE_VOID( long double _Complex & );
389
390// istype & ?|?( istype &, const char [] );
391 istype & ?|?( istype &, char [] );
392 ISTYPE_VOID( char * );
393
394 // manipulators
395 istype & ?|?( istype &, istype & (*)( istype & ) );
396 ISTYPE_VOID( istype & (*)( istype & ) );
397 istype & nl( istype & is );
398 istype & nlOn( istype & );
399 istype & nlOff( istype & );
400} // distribution
401
402// *********************************** manipulators ***********************************
403
404struct _Istream_Cstr {
405 char * s;
406 const char * scanset;
407 int wd; // width
408 union {
409 unsigned char all;
410 struct {
411 unsigned char ignore:1; // do not change input argument
412 unsigned char inex:1; // include/exclude characters in scanset
413 } flags;
414 };
415}; // _Istream_Cstr
416
417static inline {
418 _Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, scanset, -1, { .all : 0 } }; }
419 _Istream_Cstr skip( unsigned int n ) { return (_Istream_Cstr){ 0p, 0p, n, { .all : 0 } }; }
420 _Istream_Cstr incl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : false } }; }
421 _Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
422 _Istream_Cstr excl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : true } }; }
423 _Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
424 _Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, 0p, -1, { .flags.ignore : true } }; }
425 _Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
426 _Istream_Cstr wdi( unsigned int w, char s[] ) { return (_Istream_Cstr)@{ s, 0p, w, { .all : 0 } }; }
427 _Istream_Cstr & wdi( unsigned int w, _Istream_Cstr & fmt ) { fmt.wd = w; return fmt; }
428} // distribution
429forall( istype & | basic_istream( istype ) ) {
430 istype & ?|?( istype & is, _Istream_Cstr f );
431 ISTYPE_VOID( _Istream_Cstr );
432}
433
434struct _Istream_Char {
435 bool ignore; // do not change input argument
436}; // _Istream_Char
437
438static inline {
439 _Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
440 _Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
441} // distribution
442forall( istype & | basic_istream( istype ) ) {
443 istype & ?|?( istype & is, _Istream_Char f );
444 ISTYPE_VOID( _Istream_Char );
445}
446
447forall( T & | sized( T ) )
448struct _Istream_Manip {
449 T & val; // polymorphic base-type
450 int wd; // width
451 bool ignore; // do not change input argument
452}; // _Istream_Manip
453
454#define INPUT_FMT_DECL( T ) \
455static inline { \
456 _Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
457 _Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
458 _Istream_Manip(T) wdi( unsigned int w, T & val ) { return (_Istream_Manip(T))@{ val, w, false }; } \
459 _Istream_Manip(T) & wdi( unsigned int w, _Istream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
460} /* distribution */ \
461forall( istype & | basic_istream( istype ) ) { \
462 istype & ?|?( istype & is, _Istream_Manip(T) f ); \
463 ISTYPE_VOID( _Istream_Manip(T) ); \
464} // ?|?
465
466INPUT_FMT_DECL( signed char )
467INPUT_FMT_DECL( unsigned char )
468INPUT_FMT_DECL( signed short int )
469INPUT_FMT_DECL( unsigned short int )
470INPUT_FMT_DECL( signed int )
471INPUT_FMT_DECL( unsigned int )
472INPUT_FMT_DECL( signed long int )
473INPUT_FMT_DECL( unsigned long int )
474INPUT_FMT_DECL( signed long long int )
475INPUT_FMT_DECL( unsigned long long int )
476
477INPUT_FMT_DECL( float )
478INPUT_FMT_DECL( double )
479INPUT_FMT_DECL( long double )
480
481INPUT_FMT_DECL( float _Complex )
482INPUT_FMT_DECL( double _Complex )
483INPUT_FMT_DECL( long double _Complex )
484
485
486// *********************************** time ***********************************
487
488
489#include <time_t.hfa> // Duration (constructors) / Time (constructors)
490
491forall( ostype & | ostream( ostype ) ) {
492 ostype & ?|?( ostype & os, Duration dur );
493 OSTYPE_VOID( Duration );
494 ostype & ?|?( ostype & os, Time time );
495 OSTYPE_VOID( Time );
496} // distribution
497
498// Local Variables: //
499// tab-width: 4 //
500// End: //
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