source: libcfa/src/iostream.hfa@ 45c9441

ADT ast-experimental enum forall-pointer-decay pthread-emulation qualifiedEnum
Last change on this file since 45c9441 was 00e9be9, checked in by Peter A. Buhr <pabuhr@…>, 4 years ago

add stream function clear, change eof to return bool
  • Property mode set to 100644
File size: 21.1 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 : Wed Apr 28 20:37:56 2021
13// Update Count : 401
14//
15
16#pragma once
17
18#include "iterator.hfa"
19
20
21// *********************************** ostream ***********************************
22
23
24trait basic_ostream( ostype & ) {
25 // private
26 bool sepPrt$( ostype & ); // get separator state (on/off)
27 void sepReset$( ostype & ); // set separator state to default state
28 void sepReset$( ostype &, bool ); // set separator and default state
29 const char * sepGetCur$( ostype & ); // get current separator string
30 void sepSetCur$( ostype &, const char [] ); // set current separator string
31 bool getNL$( ostype & ); // check newline
32 void setNL$( ostype &, bool ); // saw newline
33 bool getANL$( ostype & ); // get auto newline (on/off)
34 bool getPrt$( ostype & ); // get fmt called in output cascade
35 void setPrt$( ostype &, bool ); // set fmt called in output cascade
36 // public
37 void sepOn( ostype & ); // turn separator state on
38 void sepOff( ostype & ); // turn separator state off
39 bool sepDisable( ostype & ); // set default state to off, and return previous state
40 bool sepEnable( ostype & ); // set default state to on, and return previous state
41 void nlOn( ostype & ); // turn auto-newline state on
42 void nlOff( ostype & ); // turn auto-newline state off
43
44 const char * sepGet( ostype & ); // get separator string
45 void sepSet( ostype &, const char [] ); // set separator to string (15 character maximum)
46 const char * sepGetTuple( ostype & ); // get tuple separator string
47 void sepSetTuple( ostype &, const char [] ); // set tuple separator to string (15 character maximum)
48
49 void ends( ostype & ); // end of output statement
50 int fmt( ostype &, const char format[], ... ) __attribute__(( format(printf, 2, 3) ));
51}; // basic_ostream
52
53trait ostream( ostype & | basic_ostream( ostype ) ) {
54 bool fail( ostype & ); // operation failed?
55 void clear( ostype & );
56 int flush( ostype & );
57 void open( ostype &, const char name[], const char mode[] );
58 void close( ostype & );
59 ostype & write( ostype &, const char [], size_t );
60 void acquire( ostype & ); // concurrent access
61}; // ostream
62
63// trait writeable( T ) {
64// forall( ostype & | ostream( ostype ) ) ostype & ?|?( ostype &, T );
65// }; // writeable
66
67trait writeable( T, ostype & | ostream( ostype ) ) {
68 ostype & ?|?( ostype &, T );
69}; // writeable
70
71// implement writable for intrinsic types
72
73forall( ostype & | basic_ostream( ostype ) ) {
74 ostype & ?|?( ostype &, bool );
75 void ?|?( ostype &, bool );
76
77 ostype & ?|?( ostype &, char );
78 void ?|?( ostype &, char );
79 ostype & ?|?( ostype &, signed char );
80 void ?|?( ostype &, signed char );
81 ostype & ?|?( ostype &, unsigned char );
82 void ?|?( ostype &, unsigned char );
83
84 ostype & ?|?( ostype &, short int );
85 void ?|?( ostype &, short int );
86 ostype & ?|?( ostype &, unsigned short int );
87 void ?|?( ostype &, unsigned short int );
88 ostype & ?|?( ostype &, int );
89 void ?|?( ostype &, int );
90 ostype & ?|?( ostype &, unsigned int );
91 void ?|?( ostype &, unsigned int );
92 ostype & ?|?( ostype &, long int );
93 void ?|?( ostype &, long int );
94 ostype & ?|?( ostype &, long long int );
95 void ?|?( ostype &, long long int );
96 ostype & ?|?( ostype &, unsigned long int );
97 void ?|?( ostype &, unsigned long int );
98 ostype & ?|?( ostype &, unsigned long long int );
99 void ?|?( ostype &, unsigned long long int );
100 #if defined( __SIZEOF_INT128__ )
101 ostype & ?|?( ostype &, int128 );
102 void ?|?( ostype &, int128 );
103 ostype & ?|?( ostype &, unsigned int128 );
104 void ?|?( ostype &, unsigned int128 );
105 #endif // __SIZEOF_INT128__
106
107 ostype & ?|?( ostype &, float );
108 void ?|?( ostype &, float );
109 ostype & ?|?( ostype &, double );
110 void ?|?( ostype &, double );
111 ostype & ?|?( ostype &, long double );
112 void ?|?( ostype &, long double );
113
114 ostype & ?|?( ostype &, float _Complex );
115 void ?|?( ostype &, float _Complex );
116 ostype & ?|?( ostype &, double _Complex );
117 void ?|?( ostype &, double _Complex );
118 ostype & ?|?( ostype &, long double _Complex );
119 void ?|?( ostype &, long double _Complex );
120
121 ostype & ?|?( ostype &, const char [] );
122 void ?|?( ostype &, const char [] );
123 // ostype & ?|?( ostype &, const char16_t * );
124 #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
125 // ostype & ?|?( ostype &, const char32_t * );
126 #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
127 // ostype & ?|?( ostype &, const wchar_t * );
128 ostype & ?|?( ostype &, const void * );
129 void ?|?( ostype &, const void * );
130
131 // manipulators
132 ostype & ?|?( ostype &, ostype & (*)( ostype & ) );
133 void ?|?( ostype &, ostype & (*)( ostype & ) );
134 ostype & nl( ostype & );
135 ostype & nonl( ostype & );
136 ostype & sep( ostype & );
137 ostype & sepTuple( ostype & );
138 ostype & sepOn( ostype & );
139 ostype & sepOff( ostype & );
140 ostype & sepDisable( ostype & );
141 ostype & sepEnable( ostype & );
142 ostype & nlOn( ostype & );
143 ostype & nlOff( ostype & );
144} // distribution
145
146forall( ostype & | ostream( ostype ) ) {
147 ostype & acquire( ostype & );
148} // distribution
149
150// tuples
151forall( ostype &, T, Params... | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
152 ostype & ?|?( ostype & os, T arg, Params rest );
153 void ?|?( ostype & os, T arg, Params rest );
154} // distribution
155
156// writes the range [begin, end) to the given stream
157forall( ostype &, elt_type | writeable( elt_type, ostype ), iterator_type | iterator( iterator_type, elt_type ) ) {
158 void write( iterator_type begin, iterator_type end, ostype & os );
159 void write_reverse( iterator_type begin, iterator_type end, ostype & os );
160} // distribution
161
162// *********************************** manipulators ***********************************
163
164forall( T )
165struct _Ostream_Manip {
166 T val; // polymorphic base-type
167 int wd, pc; // width, precision: signed for computations
168 char base; // numeric base / floating-point style
169 union {
170 unsigned char all;
171 struct {
172 unsigned char eng:1; // engineering notation
173 unsigned char neg:1; // val is negative
174 unsigned char pc:1; // precision specified
175 unsigned char left:1; // left justify
176 unsigned char nobsdp:1; // base prefix / decimal point
177 unsigned char sign:1; // plus / minus sign
178 unsigned char pad0:1; // zero pad
179 } flags;
180 };
181}; // _Ostream_Manip
182
183// *********************************** integral ***********************************
184
185// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
186// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
187// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***
188
189#define IntegralFMTDecl( T, CODE ) \
190static inline { \
191 _Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
192 _Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
193 _Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
194 _Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
195 _Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
196 _Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
197 _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; } \
198 _Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
199 _Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
200 _Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
201 _Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
202 _Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
203 _Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
204} /* distribution */ \
205forall( ostype & | basic_ostream( ostype ) ) { \
206 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
207 void ?|?( ostype & os, _Ostream_Manip(T) f ); \
208} // ?|?
209
210IntegralFMTDecl( signed char, 'd' )
211IntegralFMTDecl( unsigned char, 'u' )
212IntegralFMTDecl( signed short int, 'd' )
213IntegralFMTDecl( unsigned short int, 'u' )
214IntegralFMTDecl( signed int, 'd' )
215IntegralFMTDecl( unsigned int, 'u' )
216IntegralFMTDecl( signed long int, 'd' )
217IntegralFMTDecl( unsigned long int, 'u' )
218IntegralFMTDecl( signed long long int, 'd' )
219IntegralFMTDecl( unsigned long long int, 'u' )
220#if defined( __SIZEOF_INT128__ )
221IntegralFMTDecl( int128, 'd' )
222IntegralFMTDecl( unsigned int128, 'u' )
223#endif // __SIZEOF_INT128__
224
225// *********************************** floating point ***********************************
226
227// Default suffix for values with no fraction is "."
228#define FloatingPointFMTDecl( T ) \
229static inline { \
230 _Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
231 _Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
232 _Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
233 _Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
234 _Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
235 _Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
236 _Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
237 _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; } \
238 _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; } \
239 _Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
240 _Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
241 _Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
242 _Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
243 _Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
244 _Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
245 _Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
246 _Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
247 _Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
248 _Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
249} /* distribution */ \
250forall( ostype & | basic_ostream( ostype ) ) { \
251 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ); \
252 void ?|?( ostype & os, _Ostream_Manip(T) f ); \
253} // ?|?
254
255FloatingPointFMTDecl( double )
256FloatingPointFMTDecl( long double )
257
258// *********************************** character ***********************************
259
260static inline {
261 _Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
262 _Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
263 _Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
264 _Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
265 _Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
266 _Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
267 _Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' || fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
268 _Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
269} // distribution
270forall( ostype & | basic_ostream( ostype ) ) {
271 ostype & ?|?( ostype & os, _Ostream_Manip(char) f );
272 void ?|?( ostype & os, _Ostream_Manip(char) f );
273} // ?|?
274
275// *********************************** C string ***********************************
276
277static inline {
278 _Ostream_Manip(const char *) bin( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'b', { .all : 0 } }; }
279 _Ostream_Manip(const char *) oct( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'o', { .all : 0 } }; }
280 _Ostream_Manip(const char *) hex( const char s[] ) { return (_Ostream_Manip(const char *))@{ s, 1, 0, 'x', { .all : 0 } }; }
281 _Ostream_Manip(const char *) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char *))@{ s, w, 0, 's', { .all : 0 } }; }
282 _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 } }; }
283 _Ostream_Manip(const char *) & wd( unsigned int w, _Ostream_Manip(const char *) & fmt ) { fmt.wd = w; return fmt; }
284 _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; }
285 _Ostream_Manip(const char *) & left( _Ostream_Manip(const char *) & fmt ) { fmt.flags.left = true; return fmt; }
286 _Ostream_Manip(const char *) & nobase( _Ostream_Manip(const char *) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
287} // distribution
288forall( ostype & | basic_ostream( ostype ) ) {
289 ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f );
290 void ?|?( ostype & os, _Ostream_Manip(const char *) f );
291} // ?|?
292
293
294// *********************************** istream ***********************************
295
296
297trait basic_istream( istype & ) {
298 bool getANL( istype & ); // get scan newline (on/off)
299 void nlOn( istype & ); // read newline
300 void nlOff( istype & ); // scan newline
301
302 void ends( istype & os ); // end of output statement
303 int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
304 istype & ungetc( istype &, char );
305 bool eof( istype & );
306}; // basic_istream
307
308trait istream( istype & | basic_istream( istype ) ) {
309 bool fail( istype & );
310 void clear( istype & );
311 void open( istype & is, const char name[] );
312 void close( istype & is );
313 istype & read( istype &, char [], size_t );
314 void acquire( istype & ); // concurrent access
315}; // istream
316
317trait readable( T ) {
318 forall( istype & | istream( istype ) ) istype & ?|?( istype &, T );
319}; // readable
320
321forall( istype & | basic_istream( istype ) ) {
322 istype & ?|?( istype &, bool & );
323 void ?|?( istype &, bool & );
324
325 istype & ?|?( istype &, char & );
326 void ?|?( istype &, char & );
327 istype & ?|?( istype &, signed char & );
328 void ?|?( istype &, signed char & );
329 istype & ?|?( istype &, unsigned char & );
330 void ?|?( istype &, unsigned char & );
331
332 istype & ?|?( istype &, short int & );
333 void ?|?( istype &, short int & );
334 istype & ?|?( istype &, unsigned short int & );
335 void ?|?( istype &, unsigned short int & );
336 istype & ?|?( istype &, int & );
337 void ?|?( istype &, int & );
338 istype & ?|?( istype &, unsigned int & );
339 void ?|?( istype &, unsigned int & );
340 istype & ?|?( istype &, long int & );
341 void ?|?( istype &, long int & );
342 istype & ?|?( istype &, unsigned long int & );
343 void ?|?( istype &, unsigned long int & );
344 istype & ?|?( istype &, long long int & );
345 void ?|?( istype &, long long int & );
346 istype & ?|?( istype &, unsigned long long int & );
347 void ?|?( istype &, unsigned long long int & );
348 #if defined( __SIZEOF_INT128__ )
349 istype & ?|?( istype &, int128 & );
350 void ?|?( istype &, int128 & );
351 istype & ?|?( istype &, unsigned int128 & );
352 void ?|?( istype &, unsigned int128 & );
353 #endif // __SIZEOF_INT128__
354
355 istype & ?|?( istype &, float & );
356 void ?|?( istype &, float & );
357 istype & ?|?( istype &, double & );
358 void ?|?( istype &, double & );
359 istype & ?|?( istype &, long double & );
360 void ?|?( istype &, long double & );
361
362 istype & ?|?( istype &, float _Complex & );
363 void ?|?( istype &, float _Complex & );
364 istype & ?|?( istype &, double _Complex & );
365 void ?|?( istype &, double _Complex & );
366 istype & ?|?( istype &, long double _Complex & );
367 void ?|?( istype &, long double _Complex & );
368
369// istype & ?|?( istype &, const char [] );
370 istype & ?|?( istype &, char [] );
371 void ?|?( istype &, char [] );
372
373 // manipulators
374 istype & ?|?( istype &, istype & (*)( istype & ) );
375 void ?|?( istype &, istype & (*)( istype & ) );
376 istype & nl( istype & is );
377 istype & nlOn( istype & );
378 istype & nlOff( istype & );
379} // distribution
380
381forall( istype & | istream( istype ) ) {
382 istype & acquire( istype & );
383} // distribution
384
385// *********************************** manipulators ***********************************
386
387struct _Istream_Cstr {
388 char * s;
389 const char * scanset;
390 int wd; // width
391 union {
392 unsigned char all;
393 struct {
394 unsigned char ignore:1; // do not change input argument
395 unsigned char inex:1; // include/exclude characters in scanset
396 } flags;
397 };
398}; // _Istream_Cstr
399
400static inline {
401 _Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, scanset, -1, { .all : 0 } }; }
402 _Istream_Cstr skip( unsigned int n ) { return (_Istream_Cstr){ 0p, 0p, n, { .all : 0 } }; }
403 _Istream_Cstr incl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : false } }; }
404 _Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
405 _Istream_Cstr excl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : true } }; }
406 _Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
407 _Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, 0p, -1, { .flags.ignore : true } }; }
408 _Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
409 _Istream_Cstr wdi( unsigned int w, char s[] ) { return (_Istream_Cstr)@{ s, 0p, w, { .all : 0 } }; }
410 _Istream_Cstr & wdi( unsigned int w, _Istream_Cstr & fmt ) { fmt.wd = w; return fmt; }
411} // distribution
412forall( istype & | basic_istream( istype ) ) {
413 istype & ?|?( istype & is, _Istream_Cstr f );
414 void ?|?( istype & is, _Istream_Cstr f );
415}
416
417struct _Istream_Char {
418 bool ignore; // do not change input argument
419}; // _Istream_Char
420
421static inline {
422 _Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
423 _Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
424} // distribution
425forall( istype & | basic_istream( istype ) ) {
426 istype & ?|?( istype & is, _Istream_Char f );
427 void ?|?( istype & is, _Istream_Char f );
428}
429
430forall( T & | sized( T ) )
431struct _Istream_Manip {
432 T & val; // polymorphic base-type
433 int wd; // width
434 bool ignore; // do not change input argument
435}; // _Istream_Manip
436
437#define InputFMTDecl( T ) \
438static inline { \
439 _Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
440 _Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
441 _Istream_Manip(T) wdi( unsigned int w, T & val ) { return (_Istream_Manip(T))@{ val, w, false }; } \
442 _Istream_Manip(T) & wdi( unsigned int w, _Istream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
443} /* distribution */ \
444forall( istype & | basic_istream( istype ) ) { \
445 istype & ?|?( istype & is, _Istream_Manip(T) f ); \
446 void ?|?( istype & is, _Istream_Manip(T) f ); \
447} // ?|?
448
449InputFMTDecl( signed char )
450InputFMTDecl( unsigned char )
451InputFMTDecl( signed short int )
452InputFMTDecl( unsigned short int )
453InputFMTDecl( signed int )
454InputFMTDecl( unsigned int )
455InputFMTDecl( signed long int )
456InputFMTDecl( unsigned long int )
457InputFMTDecl( signed long long int )
458InputFMTDecl( unsigned long long int )
459
460InputFMTDecl( float )
461InputFMTDecl( double )
462InputFMTDecl( long double )
463
464InputFMTDecl( float _Complex )
465InputFMTDecl( double _Complex )
466InputFMTDecl( long double _Complex )
467
468
469// *********************************** time ***********************************
470
471
472#include <time_t.hfa> // Duration (constructors) / Time (constructors)
473
474forall( ostype & | ostream( ostype ) ) {
475 ostype & ?|?( ostype & os, Duration dur );
476 void ?|?( ostype & os, Duration dur );
477 ostype & ?|?( ostype & os, Time time );
478 void ?|?( ostype & os, Time time );
479} // distribution
480
481// Local Variables: //
482// tab-width: 4 //
483// End: //
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