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iostream.hfa @ 716b62c

ADTast-experimentalenumforall-pointer-decaypthread-emulationqualifiedEnum

Last change on this file since 716b62c 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
24	trait 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
53	trait 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
67	trait writeable( T, ostype & \| ostream( ostype ) ) {
68	ostype & ?\|?( ostype &, T );
69	}; // writeable
70
71	// implement writable for intrinsic types
72
73	forall( 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
146	forall( ostype & \| ostream( ostype ) ) {
147	ostype & acquire( ostype & );
148	} // distribution
149
150	// tuples
151	forall( 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
157	forall( 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
164	forall( T )
165	struct _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 ) \
190	static 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 */ \
205	forall( ostype & \| basic_ostream( ostype ) ) { \
206	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
207	void ?\|?( ostype & os, _Ostream_Manip(T) f ); \
208	} // ?\|?
209
210	IntegralFMTDecl( signed char, 'd' )
211	IntegralFMTDecl( unsigned char, 'u' )
212	IntegralFMTDecl( signed short int, 'd' )
213	IntegralFMTDecl( unsigned short int, 'u' )
214	IntegralFMTDecl( signed int, 'd' )
215	IntegralFMTDecl( unsigned int, 'u' )
216	IntegralFMTDecl( signed long int, 'd' )
217	IntegralFMTDecl( unsigned long int, 'u' )
218	IntegralFMTDecl( signed long long int, 'd' )
219	IntegralFMTDecl( unsigned long long int, 'u' )
220	#if defined( __SIZEOF_INT128__ )
221	IntegralFMTDecl( int128, 'd' )
222	IntegralFMTDecl( 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 ) \
229	static 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 */ \
250	forall( ostype & \| basic_ostream( ostype ) ) { \
251	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ); \
252	void ?\|?( ostype & os, _Ostream_Manip(T) f ); \
253	} // ?\|?
254
255	FloatingPointFMTDecl( double )
256	FloatingPointFMTDecl( long double )
257
258	// ********************************* character *********************************
259
260	static 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
270	forall( 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
277	static 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
288	forall( 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
297	trait 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
308	trait 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
317	trait readable( T ) {
318	forall( istype & \| istream( istype ) ) istype & ?\|?( istype &, T );
319	}; // readable
320
321	forall( 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
381	forall( istype & \| istream( istype ) ) {
382	istype & acquire( istype & );
383	} // distribution
384
385	// ********************************* manipulators *********************************
386
387	struct _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
400	static 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
412	forall( istype & \| basic_istream( istype ) ) {
413	istype & ?\|?( istype & is, _Istream_Cstr f );
414	void ?\|?( istype & is, _Istream_Cstr f );
415	}
416
417	struct _Istream_Char {
418	bool ignore; // do not change input argument
419	}; // _Istream_Char
420
421	static 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
425	forall( istype & \| basic_istream( istype ) ) {
426	istype & ?\|?( istype & is, _Istream_Char f );
427	void ?\|?( istype & is, _Istream_Char f );
428	}
429
430	forall( T & \| sized( T ) )
431	struct _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 ) \
438	static 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 */ \
444	forall( istype & \| basic_istream( istype ) ) { \
445	istype & ?\|?( istype & is, _Istream_Manip(T) f ); \
446	void ?\|?( istype & is, _Istream_Manip(T) f ); \
447	} // ?\|?
448
449	InputFMTDecl( signed char )
450	InputFMTDecl( unsigned char )
451	InputFMTDecl( signed short int )
452	InputFMTDecl( unsigned short int )
453	InputFMTDecl( signed int )
454	InputFMTDecl( unsigned int )
455	InputFMTDecl( signed long int )
456	InputFMTDecl( unsigned long int )
457	InputFMTDecl( signed long long int )
458	InputFMTDecl( unsigned long long int )
459
460	InputFMTDecl( float )
461	InputFMTDecl( double )
462	InputFMTDecl( long double )
463
464	InputFMTDecl( float _Complex )
465	InputFMTDecl( double _Complex )
466	InputFMTDecl( long double _Complex )
467
468
469	// ********************************* time *********************************
470
471
472	#include <time_t.hfa> // Duration (constructors) / Time (constructors)
473
474	forall( 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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