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iostream.hfa @ da6db1a2

Last change on this file since da6db1a2 was 94d2544, checked in by Peter A. Buhr <pabuhr@…>, 16 months ago
formatting, create macros OSTYPE_VOID, OSTYPE_VOID_IMPL. ISTYPE_VOID, ISTYPE_VOID_IMPL to create companion void print routine
Property mode set to `100644`
File size: 21.0 KB

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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 10:42:52 2023
13	// Update Count : 438
14	//
15
16	#pragma once
17
18	#include "iterator.hfa"
19
20
21	// ********************************* ostream *********************************
22
23
24	forall( ostype & )
25	trait 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
54	forall( ostype & \| basic_ostream( ostype ) )
55	trait 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
69	forall( T, ostype & \| ostream( ostype ) )
70	trait 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
82	forall( 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	// manipulators
141	ostype & ?\|?( ostype &, ostype & (*)( ostype & ) );
142	OSTYPE_VOID( ostype & (*)( ostype & ) );
143
144	ostype & nl( ostype & );
145	ostype & nonl( ostype & );
146	ostype & nlOn( ostype & );
147	ostype & nlOff( ostype & );
148
149	ostype & sepVal( ostype & );
150	ostype & sepTupleVal( ostype & );
151	ostype & sep( ostype & );
152	ostype & nosep( ostype & );
153	ostype & sepOn( ostype & );
154	ostype & sepOff( ostype & );
155	} // distribution
156
157	// tuples
158	forall( ostype &, T, Params... \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
159	ostype & ?\|?( ostype & os, T arg, Params rest );
160	void ?\|?( ostype & os, T arg, Params rest );
161	} // distribution
162
163	// writes the range [begin, end) to the given stream
164	forall( ostype &, elt_type \| writeable( elt_type, ostype ), iterator_type \| iterator( iterator_type, elt_type ) ) {
165	void write( iterator_type begin, iterator_type end, ostype & os );
166	void write_reverse( iterator_type begin, iterator_type end, ostype & os );
167	} // distribution
168
169	// ********************************* manipulators *********************************
170
171	struct _Ostream_Flags {
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	};
180
181	forall( T )
182	struct _Ostream_Manip {
183	T val; // polymorphic base-type
184	int wd, pc; // width, precision: signed for computations
185	char base; // numeric base / floating-point style
186	union {
187	unsigned char all;
188	_Ostream_Flags flags;
189	};
190	}; // _Ostream_Manip
191
192	// ********************************* integral *********************************
193
194	// See 6.7.9. 19) The initialization shall occur in initializer list order, each initializer provided for a particular
195	// subobject overriding any previously listed initializer for the same subobject; ***all subobjects that are not
196	// initialized explicitly shall be initialized implicitly the same as objects that have static storage duration.***
197
198	#define INTEGRAL_FMT_DECL( T, CODE ) \
199	static inline { \
200	_Ostream_Manip(T) bin( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'b', { .all : 0 } }; } \
201	_Ostream_Manip(T) oct( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'o', { .all : 0 } }; } \
202	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'x', { .all : 0 } }; } \
203	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, CODE, { .all : 0 } }; } \
204	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, CODE, { .flags.pc : true } }; } \
205	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
206	_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; } \
207	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
208	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { if ( fmt.base == 'x' \|\| fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; } \
209	_Ostream_Manip(T) & nobase( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
210	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
211	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, CODE, { .flags.sign : true } }; } \
212	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
213	} /* distribution */ \
214	forall( ostype & \| basic_ostream( ostype ) ) { \
215	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
216	void ?\|?( ostype & os, _Ostream_Manip(T) f ); \
217	} // ?\|?
218
219	INTEGRAL_FMT_DECL( signed char, 'd' )
220	INTEGRAL_FMT_DECL( unsigned char, 'u' )
221	INTEGRAL_FMT_DECL( signed short int, 'd' )
222	INTEGRAL_FMT_DECL( unsigned short int, 'u' )
223	INTEGRAL_FMT_DECL( signed int, 'd' )
224	INTEGRAL_FMT_DECL( unsigned int, 'u' )
225	INTEGRAL_FMT_DECL( signed long int, 'd' )
226	INTEGRAL_FMT_DECL( unsigned long int, 'u' )
227	INTEGRAL_FMT_DECL( signed long long int, 'd' )
228	INTEGRAL_FMT_DECL( unsigned long long int, 'u' )
229	#if defined( __SIZEOF_INT128__ )
230	INTEGRAL_FMT_DECL( int128, 'd' )
231	INTEGRAL_FMT_DECL( unsigned int128, 'u' )
232	#endif // __SIZEOF_INT128__
233
234	// ********************************* floating point *********************************
235
236	// Default suffix for values with no fraction is "."
237	#define FLOATING_POINT_FMT_DECL( T ) \
238	static inline { \
239	_Ostream_Manip(T) hex( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'a', { .all : 0 } }; } \
240	_Ostream_Manip(T) sci( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'e', { .all : 0 } }; } \
241	_Ostream_Manip(T) eng( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.eng : true } }; } \
242	_Ostream_Manip(T) wd( unsigned int w, T val ) { return (_Ostream_Manip(T))@{ val, w, 0, 'g', { .all : 0 } }; } \
243	_Ostream_Manip(T) wd( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'f', { .flags.pc : true } }; } \
244	_Ostream_Manip(T) ws( unsigned int w, unsigned int pc, T val ) { return (_Ostream_Manip(T))@{ val, w, pc, 'g', { .flags.pc : true } }; } \
245	_Ostream_Manip(T) & wd( unsigned int w, _Ostream_Manip(T) & fmt ) { if ( fmt.flags.eng ) fmt.base = 'f'; fmt.wd = w; return fmt; } \
246	_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; } \
247	_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; } \
248	_Ostream_Manip(T) & left( _Ostream_Manip(T) & fmt ) { fmt.flags.left = true; return fmt; } \
249	_Ostream_Manip(T) upcase( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'G', { .all : 0 } }; } \
250	_Ostream_Manip(T) & upcase( _Ostream_Manip(T) & fmt ) { fmt.base -= 32; /* upper case */ return fmt; } \
251	_Ostream_Manip(T) & pad0( _Ostream_Manip(T) & fmt ) { fmt.flags.pad0 = true; return fmt; } \
252	_Ostream_Manip(T) sign( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.sign : true } }; } \
253	_Ostream_Manip(T) & sign( _Ostream_Manip(T) & fmt ) { fmt.flags.sign = true; return fmt; } \
254	_Ostream_Manip(T) nodp( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
255	_Ostream_Manip(T) & nodp( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
256	_Ostream_Manip(T) unit( T val ) { return (_Ostream_Manip(T))@{ val, 1, 0, 'g', { .flags.nobsdp : true } }; } \
257	_Ostream_Manip(T) & unit( _Ostream_Manip(T) & fmt ) { fmt.flags.nobsdp = true; return fmt; } \
258	} /* distribution */ \
259	forall( ostype & \| basic_ostream( ostype ) ) { \
260	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
261	void ?\|?( ostype & os, _Ostream_Manip(T) f ); \
262	} // ?\|?
263
264	FLOATING_POINT_FMT_DECL( double )
265	FLOATING_POINT_FMT_DECL( long double )
266
267	// ********************************* character *********************************
268
269	static inline {
270	_Ostream_Manip(char) bin( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'b', { .all : 0 } }; }
271	_Ostream_Manip(char) oct( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'o', { .all : 0 } }; }
272	_Ostream_Manip(char) hex( char c ) { return (_Ostream_Manip(char))@{ c, 1, 0, 'x', { .all : 0 } }; }
273	_Ostream_Manip(char) wd( unsigned int w, char c ) { return (_Ostream_Manip(char))@{ c, w, 0, 'c', { .all : 0 } }; }
274	_Ostream_Manip(char) & wd( unsigned int w, _Ostream_Manip(char) & fmt ) { fmt.wd = w; return fmt; }
275	_Ostream_Manip(char) & left( _Ostream_Manip(char) & fmt ) { fmt.flags.left = true; return fmt; }
276	_Ostream_Manip(char) & upcase( _Ostream_Manip(char) & fmt ) { if ( fmt.base == 'x' \|\| fmt.base == 'b' ) fmt.base -= 32; /* upper case */ return fmt; }
277	_Ostream_Manip(char) & nobase( _Ostream_Manip(char) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
278	} // distribution
279	forall( ostype & \| basic_ostream( ostype ) ) {
280	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f );
281	void ?\|?( ostype & os, _Ostream_Manip(char) f );
282	} // ?\|?
283
284	// ********************************* C string *********************************
285
286	static inline {
287	_Ostream_Manip(const char ) bin( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'b', { .all : 0 } }; }
288	_Ostream_Manip(const char ) oct( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'o', { .all : 0 } }; }
289	_Ostream_Manip(const char ) hex( const char s[] ) { return (_Ostream_Manip(const char ))@{ s, 1, 0, 'x', { .all : 0 } }; }
290	_Ostream_Manip(const char ) wd( unsigned int w, const char s[] ) { return (_Ostream_Manip(const char ))@{ s, w, 0, 's', { .all : 0 } }; }
291	_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 } }; }
292	_Ostream_Manip(const char ) & wd( unsigned int w, _Ostream_Manip(const char ) & fmt ) { fmt.wd = w; return fmt; }
293	_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; }
294	_Ostream_Manip(const char ) & left( _Ostream_Manip(const char ) & fmt ) { fmt.flags.left = true; return fmt; }
295	_Ostream_Manip(const char ) & nobase( _Ostream_Manip(const char ) & fmt ) { fmt.flags.nobsdp = true; return fmt; }
296	} // distribution
297	forall( ostype & \| basic_ostream( ostype ) ) {
298	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f );
299	void ?\|?( ostype & os, _Ostream_Manip(const char *) f );
300	} // ?\|?
301
302
303	// ********************************* istream *********************************
304
305
306	#define ISTYPE_VOID( T ) void ?\|?( istype &, T )
307	#define ISTYPE_VOID_IMPL( T ) \
308	void ?\|?( istype & is, T & t ) { \
309	(istype &)(is \| t); ends( is ); \
310	} // ?\|?
311
312	forall( istype & )
313	trait basic_istream {
314	// private
315	bool getANL$( istype & ); // get scan newline (on/off)
316	// public
317	void nlOn( istype & ); // read newline
318	void nlOff( istype & ); // scan newline
319	void ends( istype & os ); // end of output statement
320	int fmt( istype &, const char format[], ... ) __attribute__(( format(scanf, 2, 3) ));
321	istype & ungetc( istype &, char );
322	bool eof( istype & );
323	}; // basic_istream
324
325	forall( istype & \| basic_istream( istype ) )
326	trait istream {
327	bool fail( istype & );
328	void clear( istype & );
329	void open( istype & is, const char name[] );
330	void close( istype & is );
331	istype & read( istype &, char [], size_t );
332	}; // istream
333
334	forall( T )
335	trait readable {
336	forall( istype & \| istream( istype ) ) istype & ?\|?( istype &, T );
337	}; // readable
338
339	forall( istype & \| basic_istream( istype ) ) {
340	istype & ?\|?( istype &, bool & );
341	ISTYPE_VOID( bool & );
342
343	istype & ?\|?( istype &, char & );
344	ISTYPE_VOID( char & );
345	istype & ?\|?( istype &, signed char & );
346	ISTYPE_VOID( signed char & );
347	istype & ?\|?( istype &, unsigned char & );
348	ISTYPE_VOID( unsigned char & );
349
350	istype & ?\|?( istype &, short int & );
351	ISTYPE_VOID( short int & );
352	istype & ?\|?( istype &, unsigned short int & );
353	ISTYPE_VOID( unsigned short int & );
354	istype & ?\|?( istype &, int & );
355	ISTYPE_VOID( int & );
356	istype & ?\|?( istype &, unsigned int & );
357	ISTYPE_VOID( unsigned int & );
358	istype & ?\|?( istype &, long int & );
359	ISTYPE_VOID( long int & );
360	istype & ?\|?( istype &, unsigned long int & );
361	ISTYPE_VOID( unsigned long int & );
362	istype & ?\|?( istype &, long long int & );
363	ISTYPE_VOID( long long int & );
364	istype & ?\|?( istype &, unsigned long long int & );
365	ISTYPE_VOID( unsigned long long int & );
366	#if defined( __SIZEOF_INT128__ )
367	istype & ?\|?( istype &, int128 & );
368	ISTYPE_VOID( int128 & );
369	istype & ?\|?( istype &, unsigned int128 & );
370	ISTYPE_VOID( unsigned int128 & );
371	#endif // __SIZEOF_INT128__
372
373	istype & ?\|?( istype &, float & );
374	ISTYPE_VOID( float & );
375	istype & ?\|?( istype &, double & );
376	ISTYPE_VOID( double & );
377	istype & ?\|?( istype &, long double & );
378	ISTYPE_VOID( long double & );
379
380	istype & ?\|?( istype &, float _Complex & );
381	ISTYPE_VOID( float _Complex & );
382	istype & ?\|?( istype &, double _Complex & );
383	ISTYPE_VOID( double _Complex & );
384	istype & ?\|?( istype &, long double _Complex & );
385	ISTYPE_VOID( long double _Complex & );
386
387	// istype & ?\|?( istype &, const char [] );
388	istype & ?\|?( istype &, char [] );
389	void ?\|?( istype &, char [] );
390
391	// manipulators
392	istype & ?\|?( istype &, istype & (*)( istype & ) );
393	ISTYPE_VOID( istype & (*)( istype & ) );
394	istype & nl( istype & is );
395	istype & nlOn( istype & );
396	istype & nlOff( istype & );
397	} // distribution
398
399	// ********************************* manipulators *********************************
400
401	struct _Istream_Cstr {
402	char * s;
403	const char * scanset;
404	int wd; // width
405	union {
406	unsigned char all;
407	struct {
408	unsigned char ignore:1; // do not change input argument
409	unsigned char inex:1; // include/exclude characters in scanset
410	} flags;
411	};
412	}; // _Istream_Cstr
413
414	static inline {
415	_Istream_Cstr skip( const char scanset[] ) { return (_Istream_Cstr){ 0p, scanset, -1, { .all : 0 } }; }
416	_Istream_Cstr skip( unsigned int n ) { return (_Istream_Cstr){ 0p, 0p, n, { .all : 0 } }; }
417	_Istream_Cstr incl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : false } }; }
418	_Istream_Cstr & incl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = false; return fmt; }
419	_Istream_Cstr excl( const char scanset[], char * s ) { return (_Istream_Cstr){ s, scanset, -1, { .flags.inex : true } }; }
420	_Istream_Cstr & excl( const char scanset[], _Istream_Cstr & fmt ) { fmt.scanset = scanset; fmt.flags.inex = true; return fmt; }
421	_Istream_Cstr ignore( char s[] ) { return (_Istream_Cstr)@{ s, 0p, -1, { .flags.ignore : true } }; }
422	_Istream_Cstr & ignore( _Istream_Cstr & fmt ) { fmt.flags.ignore = true; return fmt; }
423	_Istream_Cstr wdi( unsigned int w, char s[] ) { return (_Istream_Cstr)@{ s, 0p, w, { .all : 0 } }; }
424	_Istream_Cstr & wdi( unsigned int w, _Istream_Cstr & fmt ) { fmt.wd = w; return fmt; }
425	} // distribution
426	forall( istype & \| basic_istream( istype ) ) {
427	istype & ?\|?( istype & is, _Istream_Cstr f );
428	void ?\|?( istype & is, _Istream_Cstr f );
429	}
430
431	struct _Istream_Char {
432	bool ignore; // do not change input argument
433	}; // _Istream_Char
434
435	static inline {
436	_Istream_Char ignore( const char ) { return (_Istream_Char)@{ true }; }
437	_Istream_Char & ignore( _Istream_Char & fmt ) { fmt.ignore = true; return fmt; }
438	} // distribution
439	forall( istype & \| basic_istream( istype ) ) {
440	istype & ?\|?( istype & is, _Istream_Char f );
441	void ?\|?( istype & is, _Istream_Char f );
442	}
443
444	forall( T & \| sized( T ) )
445	struct _Istream_Manip {
446	T & val; // polymorphic base-type
447	int wd; // width
448	bool ignore; // do not change input argument
449	}; // _Istream_Manip
450
451	#define INPUT_FMT_DECL( T ) \
452	static inline { \
453	_Istream_Manip(T) ignore( const T & val ) { return (_Istream_Manip(T))@{ (T &)val, -1, true }; } \
454	_Istream_Manip(T) & ignore( _Istream_Manip(T) & fmt ) { fmt.ignore = true; return fmt; } \
455	_Istream_Manip(T) wdi( unsigned int w, T & val ) { return (_Istream_Manip(T))@{ val, w, false }; } \
456	_Istream_Manip(T) & wdi( unsigned int w, _Istream_Manip(T) & fmt ) { fmt.wd = w; return fmt; } \
457	} /* distribution */ \
458	forall( istype & \| basic_istream( istype ) ) { \
459	istype & ?\|?( istype & is, _Istream_Manip(T) f ); \
460	void ?\|?( istype & is, _Istream_Manip(T) f ); \
461	} // ?\|?
462
463	INPUT_FMT_DECL( signed char )
464	INPUT_FMT_DECL( unsigned char )
465	INPUT_FMT_DECL( signed short int )
466	INPUT_FMT_DECL( unsigned short int )
467	INPUT_FMT_DECL( signed int )
468	INPUT_FMT_DECL( unsigned int )
469	INPUT_FMT_DECL( signed long int )
470	INPUT_FMT_DECL( unsigned long int )
471	INPUT_FMT_DECL( signed long long int )
472	INPUT_FMT_DECL( unsigned long long int )
473
474	INPUT_FMT_DECL( float )
475	INPUT_FMT_DECL( double )
476	INPUT_FMT_DECL( long double )
477
478	INPUT_FMT_DECL( float _Complex )
479	INPUT_FMT_DECL( double _Complex )
480	INPUT_FMT_DECL( long double _Complex )
481
482
483	// ********************************* time *********************************
484
485
486	#include <time_t.hfa> // Duration (constructors) / Time (constructors)
487
488	forall( ostype & \| ostream( ostype ) ) {
489	ostype & ?\|?( ostype & os, Duration dur );
490	void ?\|?( ostype & os, Duration dur );
491	ostype & ?\|?( ostype & os, Time time );
492	void ?\|?( ostype & os, Time time );
493	} // distribution
494
495	// Local Variables: //
496	// tab-width: 4 //
497	// End: //

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