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iostream.cfa@ 7fd71c7

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ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast new-ast-unique-expr pthread-emulation qualifiedEnum

Last change on this file since 7fd71c7 was 7fd71c7, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
more work on manipulators for int128 numbers, begin test file for printing int128 numbers
Property mode set to `100644`
File size: 33.8 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.cfa --
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 : Mon Apr 20 21:55:00 2020
13	// Update Count : 912
14	//
15
16	#include "iostream.hfa"
17
18	extern "C" {
19	#include <stdio.h>
20	#include <stdbool.h> // true/false
21	#include <stdint.h> // UINT64_MAX
22	//#include <string.h> // strlen, strcmp
23	extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
24	extern int strcmp (const char __s1, const char __s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
25	extern char strcpy (char __restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
26	extern void memcpy (void __restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
27	#include <float.h> // DBL_DIG, LDBL_DIG
28	#include <math.h> // isfinite
29	#include <complex.h> // creal, cimag
30	} // extern "C"
31
32	#include <bitmanip.hfa> // fms
33
34
35	//********************************* ostream *********************************
36
37
38	forall( dtype ostype \| ostream( ostype ) ) {
39	ostype & ?\|?( ostype & os, zero_t ) {
40	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
41	fmt( os, "%d", 0n );
42	return os;
43	} // ?\|?
44	void ?\|?( ostype & os, zero_t z ) {
45	(ostype &)(os \| z); ends( os );
46	} // ?\|?
47
48	ostype & ?\|?( ostype & os, one_t ) {
49	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
50	fmt( os, "%d", 1n );
51	return os;
52	} // ?\|?
53	void ?\|?( ostype & os, one_t o ) {
54	(ostype &)(os \| o); ends( os );
55	} // ?\|?
56
57	ostype & ?\|?( ostype & os, bool b ) {
58	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
59	fmt( os, "%s", b ? "true" : "false" );
60	return os;
61	} // ?\|?
62	void ?\|?( ostype & os, bool b ) {
63	(ostype &)(os \| b); ends( os );
64	} // ?\|?
65
66	ostype & ?\|?( ostype & os, char c ) {
67	fmt( os, "%c", c );
68	if ( c == '\n' ) $setNL( os, true );
69	return sepOff( os );
70	} // ?\|?
71	void ?\|?( ostype & os, char c ) {
72	(ostype &)(os \| c); ends( os );
73	} // ?\|?
74
75	ostype & ?\|?( ostype & os, signed char sc ) {
76	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
77	fmt( os, "%hhd", sc );
78	return os;
79	} // ?\|?
80	void ?\|?( ostype & os, signed char sc ) {
81	(ostype &)(os \| sc); ends( os );
82	} // ?\|?
83
84	ostype & ?\|?( ostype & os, unsigned char usc ) {
85	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
86	fmt( os, "%hhu", usc );
87	return os;
88	} // ?\|?
89	void ?\|?( ostype & os, unsigned char usc ) {
90	(ostype &)(os \| usc); ends( os );
91	} // ?\|?
92
93	ostype & ?\|?( ostype & os, short int si ) {
94	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
95	fmt( os, "%hd", si );
96	return os;
97	} // ?\|?
98	void & ?\|?( ostype & os, short int si ) {
99	(ostype &)(os \| si); ends( os );
100	} // ?\|?
101
102	ostype & ?\|?( ostype & os, unsigned short int usi ) {
103	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
104	fmt( os, "%hu", usi );
105	return os;
106	} // ?\|?
107	void & ?\|?( ostype & os, unsigned short int usi ) {
108	(ostype &)(os \| usi); ends( os );
109	} // ?\|?
110
111	ostype & ?\|?( ostype & os, int i ) {
112	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
113	fmt( os, "%d", i );
114	return os;
115	} // ?\|?
116	void & ?\|?( ostype & os, int i ) {
117	(ostype &)(os \| i); ends( os );
118	} // ?\|?
119
120	ostype & ?\|?( ostype & os, unsigned int ui ) {
121	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
122	fmt( os, "%u", ui );
123	return os;
124	} // ?\|?
125	void & ?\|?( ostype & os, unsigned int ui ) {
126	(ostype &)(os \| ui); ends( os );
127	} // ?\|?
128
129	ostype & ?\|?( ostype & os, long int li ) {
130	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
131	fmt( os, "%ld", li );
132	return os;
133	} // ?\|?
134	void & ?\|?( ostype & os, long int li ) {
135	(ostype &)(os \| li); ends( os );
136	} // ?\|?
137
138	ostype & ?\|?( ostype & os, unsigned long int uli ) {
139	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
140	fmt( os, "%lu", uli );
141	return os;
142	} // ?\|?
143	void & ?\|?( ostype & os, unsigned long int uli ) {
144	(ostype &)(os \| uli); ends( os );
145	} // ?\|?
146
147	ostype & ?\|?( ostype & os, long long int lli ) {
148	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
149	fmt( os, "%lld", lli );
150	return os;
151	} // ?\|?
152	void & ?\|?( ostype & os, long long int lli ) {
153	(ostype &)(os \| lli); ends( os );
154	} // ?\|?
155
156	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
157	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
158	fmt( os, "%llu", ulli );
159	return os;
160	} // ?\|?
161	void & ?\|?( ostype & os, unsigned long long int ulli ) {
162	(ostype &)(os \| ulli); ends( os );
163	} // ?\|?
164
165	#if defined( __SIZEOF_INT128__ )
166	// UINT64_MAX 18_446_744_073_709_551_615_ULL
167	#define P10_UINT64 10_000_000_000_000_000_000_ULL // 19 zeroes
168
169	static void base10_128( ostype & os, unsigned int128 val ) {
170	if ( val > UINT64_MAX ) {
171	base10_128( os, val / P10_UINT64 ); // recursive
172	fmt( os, "%.19lu", (uint64_t)(val % P10_UINT64) );
173	} else {
174	fmt( os, "%lu", (uint64_t)val );
175	} // if
176	} // base10_128
177
178	static void base10_128( ostype & os, int128 val ) {
179	if ( val < 0 ) {
180	fmt( os, "-" ); // leading negative sign
181	val = -val;
182	} // if
183	base10_128( os, (unsigned int128)val ); // print zero/positive value
184	} // base10_128
185
186	ostype & ?\|?( ostype & os, int128 llli ) {
187	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
188	base10_128( os, llli );
189	return os;
190	} // ?\|?
191	void & ?\|?( ostype & os, int128 llli ) {
192	(ostype &)(os \| llli); ends( os );
193	} // ?\|?
194
195	ostype & ?\|?( ostype & os, unsigned int128 ullli ) {
196	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
197	base10_128( os, ullli );
198	return os;
199	} // ?\|?
200	void & ?\|?( ostype & os, unsigned int128 ullli ) {
201	(ostype &)(os \| ullli); ends( os );
202	} // ?\|?
203	#endif // __SIZEOF_INT128__
204
205	#define PrintWithDP( os, format, val, ... ) \
206	{ \
207	enum { size = 48 }; \
208	char buf[size]; \
209	int len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
210	fmt( os, "%s", buf ); \
211	if ( isfinite( val ) ) { /* if number, always print decimal point */ \
212	for ( int i = 0;; i += 1 ) { \
213	if ( i == len ) { fmt( os, "." ); break; } \
214	if ( buf[i] == '.' ) break; \
215	} /* for */ \
216	} /* if */ \
217	}
218
219	ostype & ?\|?( ostype & os, float f ) {
220	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
221	PrintWithDP( os, "%g", f );
222	return os;
223	} // ?\|?
224	void & ?\|?( ostype & os, float f ) {
225	(ostype &)(os \| f); ends( os );
226	} // ?\|?
227
228	ostype & ?\|?( ostype & os, double d ) {
229	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
230	PrintWithDP( os, "%.*lg", d, DBL_DIG );
231	return os;
232	} // ?\|?
233	void & ?\|?( ostype & os, double d ) {
234	(ostype &)(os \| d); ends( os );
235	} // ?\|?
236
237	ostype & ?\|?( ostype & os, long double ld ) {
238	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
239	PrintWithDP( os, "%.*Lg", ld, LDBL_DIG );
240	return os;
241	} // ?\|?
242	void & ?\|?( ostype & os, long double ld ) {
243	(ostype &)(os \| ld); ends( os );
244	} // ?\|?
245
246	ostype & ?\|?( ostype & os, float _Complex fc ) {
247	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
248	// os \| crealf( fc ) \| nonl;
249	PrintWithDP( os, "%g", crealf( fc ) );
250	PrintWithDP( os, "%+g", cimagf( fc ) );
251	fmt( os, "i" );
252	return os;
253	} // ?\|?
254	void & ?\|?( ostype & os, float _Complex fc ) {
255	(ostype &)(os \| fc); ends( os );
256	} // ?\|?
257
258	ostype & ?\|?( ostype & os, double _Complex dc ) {
259	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
260	// os \| creal( dc ) \| nonl;
261	PrintWithDP( os, "%.*lg", creal( dc ), DBL_DIG );
262	PrintWithDP( os, "%+.*lg", cimag( dc ), DBL_DIG );
263	fmt( os, "i" );
264	return os;
265	} // ?\|?
266	void & ?\|?( ostype & os, double _Complex dc ) {
267	(ostype &)(os \| dc); ends( os );
268	} // ?\|?
269
270	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
271	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
272	// os \| creall( ldc ) \|\| nonl;
273	PrintWithDP( os, "%.*Lg", creall( ldc ), LDBL_DIG );
274	PrintWithDP( os, "%+.*Lg", cimagl( ldc ), LDBL_DIG );
275	fmt( os, "i" );
276	return os;
277	} // ?\|?
278	void & ?\|?( ostype & os, long double _Complex ldc ) {
279	(ostype &)(os \| ldc); ends( os );
280	} // ?\|?
281
282	ostype & ?\|?( ostype & os, const char str[] ) {
283	enum { Open = 1, Close, OpenClose };
284	static const unsigned char mask[256] @= {
285	// opening delimiters, no space after
286	['('] : Open, ['['] : Open, ['{'] : Open,
287	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
288	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
289	// closing delimiters, no space before
290	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
291	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
292	[')'] : Close, [']'] : Close, ['}'] : Close,
293	// opening-closing delimiters, no space before or after
294	['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
295	[' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
296	}; // mask
297
298	if ( str[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
299
300	// first character IS NOT spacing or closing punctuation => add left separator
301	unsigned char ch = str[0]; // must make unsigned
302	if ( $sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
303	fmt( os, "%s", $sepGetCur( os ) );
304	} // if
305
306	// if string starts line, must reset to determine open state because separator is off
307	$sepReset( os ); // reset separator
308
309	// last character IS spacing or opening punctuation => turn off separator for next item
310	size_t len = strlen( str );
311	ch = str[len - 1]; // must make unsigned
312	if ( $sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
313	sepOn( os );
314	} else {
315	sepOff( os );
316	} // if
317	if ( ch == '\n' ) $setNL( os, true ); // check AFTER $sepPrt call above as it resets NL flag
318	return write( os, str, len );
319	} // ?\|?
320
321	void ?\|?( ostype & os, const char str[] ) {
322	(ostype &)(os \| str); ends( os );
323	} // ?\|?
324
325	// ostype & ?\|?( ostype & os, const char16_t * str ) {
326	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
327	// fmt( os, "%ls", str );
328	// return os;
329	// } // ?\|?
330
331	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
332	// ostype & ?\|?( ostype & os, const char32_t * str ) {
333	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
334	// fmt( os, "%ls", str );
335	// return os;
336	// } // ?\|?
337	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
338
339	// ostype & ?\|?( ostype & os, const wchar_t * str ) {
340	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
341	// fmt( os, "%ls", str );
342	// return os;
343	// } // ?\|?
344
345	ostype & ?\|?( ostype & os, const void * p ) {
346	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
347	fmt( os, "%p", p );
348	return os;
349	} // ?\|?
350	void ?\|?( ostype & os, const void * p ) {
351	(ostype &)(os \| p); ends( os );
352	} // ?\|?
353
354	// manipulators
355	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
356	(ostype &)(manip( os ));
357	return os;
358	} // ?\|?
359	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
360	(ostype &)(manip( os ));
361	if ( $getPrt( os ) ) ends( os ); // something printed ?
362	$setPrt( os, false ); // turn off
363	} // ?\|?
364
365	ostype & sep( ostype & os ) {
366	return (ostype &)(os \| sepGet( os ));
367	} // sep
368
369	ostype & sepTuple( ostype & os ) {
370	return os \| sepGetTuple( os );
371	} // sepTuple
372
373	ostype & nl( ostype & os ) {
374	(ostype &)(os \| '\n');
375	$setPrt( os, false ); // turn off
376	$setNL( os, true );
377	flush( os );
378	return sepOff( os ); // prepare for next line
379	} // nl
380
381	ostype & nonl( ostype & os ) {
382	$setPrt( os, false ); // turn off
383	return os;
384	} // nonl
385
386	ostype & sepOn( ostype & os ) {
387	sepOn( os ); // call void returning
388	return os;
389	} // sepOn
390
391	ostype & sepOff( ostype & os ) {
392	sepOff( os ); // call void returning
393	return os;
394	} // sepOff
395
396	ostype & sepEnable( ostype & os ) {
397	sepEnable( os ); // call void returning
398	return os;
399	} // sepEnable
400
401	ostype & sepDisable( ostype & os ) {
402	sepDisable( os ); // call void returning
403	return os;
404	} // sepDisable
405
406	ostype & nlOn( ostype & os ) {
407	nlOn( os ); // call void returning
408	return os;
409	} // nlOn
410
411	ostype & nlOff( ostype & os ) {
412	nlOff( os ); // call void returning
413	return os;
414	} // nlOff
415	} // distribution
416
417	// tuples
418	forall( dtype ostype, otype T, ttype Params \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
419	ostype & ?\|?( ostype & os, T arg, Params rest ) {
420	(ostype &)(os \| arg); // print first argument
421	$sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
422	(ostype &)(os \| rest); // print remaining arguments
423	$sepSetCur( os, sepGet( os ) ); // switch to regular separator
424	return os;
425	} // ?\|?
426	void ?\|?( ostype & os, T arg, Params rest ) {
427	// (ostype &)(?\|?( os, arg, rest )); ends( os );
428	(ostype &)(os \| arg); // print first argument
429	$sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
430	(ostype &)(os \| rest); // print remaining arguments
431	$sepSetCur( os, sepGet( os ) ); // switch to regular separator
432	ends( os );
433	} // ?\|?
434	} // distribution
435
436	// writes the range [begin, end) to the given stream
437	forall( dtype ostype, otype elt_type \| writeable( elt_type, ostype ), otype iterator_type \| iterator( iterator_type, elt_type ) ) {
438	void write( iterator_type begin, iterator_type end, ostype & os ) {
439	void print( elt_type i ) { os \| i; }
440	for_each( begin, end, print );
441	} // ?\|?
442
443	void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
444	void print( elt_type i ) { os \| i; }
445	for_each_reverse( begin, end, print );
446	} // ?\|?
447	} // distribution
448
449	//********************************* manipulators *********************************
450
451	//********************************* integral *********************************
452
453	static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
454	static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" };
455
456	// Default prefix for non-decimal prints is 0b, 0, 0x.
457	#define IntegralFMTImpl( T, CODE, IFMTNP, IFMTP ) \
458	forall( dtype ostype \| ostream( ostype ) ) { \
459	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
460	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
461	\
462	if ( f.base == 'b' \|\| f.base == 'B' ) { /* bespoke binary format */ \
463	int bits = high1( f.val ); /* position of most significant bit */ \
464	if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
465	int spaces = f.wd - bits; /* can be negative */ \
466	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
467	/* printf( "%d %d\n", bits, spaces ); */ \
468	if ( ! f.flags.left ) { /* right justified ? */ \
469	/* Note, base prefix then zero padding or spacing then prefix. */ \
470	if ( f.flags.pad0 \|\| f.flags.pc ) { \
471	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
472	if ( f.flags.pc ) spaces = f.pc - bits; \
473	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
474	} else { \
475	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
476	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
477	} /* if */ \
478	} else if ( ! f.flags.nobsdp ) { \
479	fmt( os, "0%c", f.base ); \
480	} /* if */ \
481	int shift = (bits - 1) / 4 * 4; /* floor( bits - 1, 4 ) */ \
482	typeof( f.val ) temp = f.val; \
483	fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
484	for () { \
485	shift -= 4; \
486	if ( shift < 0 ) break; \
487	temp = f.val; \
488	fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
489	} /* for */ \
490	if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
491	return os; \
492	} /* if */ \
493	\
494	char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
495	if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
496	else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
497	int star = 4; /* position before first '' / \
498	\
499	/* Insert flags into spaces before '', from right to left. / \
500	if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
501	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
502	if ( f.flags.sign && f.base == CODE ) { fmtstr[star] = '+'; star -= 1; } \
503	if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
504	fmtstr[star] = '%'; \
505	\
506	if ( ! f.flags.pc ) { /* no precision */ \
507	fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
508	/* printf( "%s %c %c\n", &fmtstr[star], f.base, CODE ); */ \
509	fmt( os, &fmtstr[star], f.wd, f.val ); \
510	} else { /* precision */ \
511	fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
512	/* printf( "%s %c %c\n", &fmtstr[star], f.base, CODE ); */ \
513	fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
514	} /* if */ \
515	return os; \
516	} /* ?\|? */ \
517	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
518	} // distribution
519
520	IntegralFMTImpl( signed char, 'd', "% hh ", "% .*hh " )
521	IntegralFMTImpl( unsigned char, 'u', "% hh ", "% .*hh " )
522	IntegralFMTImpl( signed short int, 'd', "% h ", "% .*h " )
523	IntegralFMTImpl( unsigned short int, 'u', "% h ", "% .*h " )
524	IntegralFMTImpl( signed int, 'd', "% * ", "% . " )
525	IntegralFMTImpl( unsigned int, 'u', "% * ", "% . " )
526	IntegralFMTImpl( signed long int, 'd', "% l ", "% .*l " )
527	IntegralFMTImpl( unsigned long int, 'u', "% l ", "% .*l " )
528	IntegralFMTImpl( signed long long int, 'd', "% ll ", "% .*ll " )
529	IntegralFMTImpl( unsigned long long int, 'u', "% ll ", "% .*ll " )
530
531
532	#if defined( __SIZEOF_INT128__ )
533	// Default prefix for non-decimal prints is 0b, 0, 0x.
534	#define IntegralFMTImpl128( T, SIGNED, CODE, IFMTNP, IFMTP ) \
535	forall( dtype ostype \| ostream( ostype ) ) \
536	static void base10_128( ostype & os, _Ostream_Manip(T) f ) { \
537	if ( f.val > UINT64_MAX ) { \
538	unsigned long long int lsig = f.val % P10_UINT64; \
539	f.val /= P10_UINT64; /* msig */ \
540	base10_128( os, f ); /* recursion */ \
541	_Ostream_Manip(unsigned long long int) fmt @= { lsig, 0, 19, 'u', { .all : 0 } }; \
542	fmt.flags.nobsdp = true; \
543	/* printf( "fmt1 %c %lld %d\n", fmt.base, fmt.val, fmt.all ); */ \
544	sepOff( os ); \
545	(ostype &)(os \| fmt); \
546	} else { \
547	/* printf( "fmt2 %c %lld %d\n", f.base, (unsigned long long int)f.val, f.all ); */ \
548	_Ostream_Manip(SIGNED long long int) fmt @= { (SIGNED long long int)f.val, f.wd, f.pc, f.base, { .all : f.all } }; \
549	(ostype &)(os \| fmt); \
550	} /* if */ \
551	} /* base10_128 */ \
552	forall( dtype ostype \| ostream( ostype ) ) { \
553	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
554	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
555	\
556	if ( f.base == 'b' \| f.base == 'B' \| f.base == 'o' \| f.base == 'x' \| f.base == 'X' ) { \
557	unsigned long long int msig = (unsigned long long int)(f.val >> 64); \
558	unsigned long long int lsig = (unsigned long long int)(f.val); \
559	_Ostream_Manip(SIGNED long long int) fmt @= { msig, f.wd, f.pc, f.base, { .all : f.all } }; \
560	_Ostream_Manip(unsigned long long int) fmt2 @= { lsig, 0, 0, f.base, { .all : 0 } }; \
561	if ( msig == 0 ) { \
562	fmt.val = lsig; \
563	(ostype &)(os \| fmt); \
564	} else { \
565	fmt2.flags.pad0 = fmt2.flags.nobsdp = true; \
566	if ( f.base == 'b' \| f.base == 'B' ) { \
567	if ( fmt.flags.pc && fmt.pc > 64 ) fmt.pc -= 64; \
568	if ( fmt.flags.left ) { \
569	fmt2.wd = fmt.wd; \
570	if ( fmt2.wd <= 64 ) { \
571	fmt2.wd = 64; \
572	} else { \
573	if ( fmt.pc > 0 ) { \
574	fmt2.wd -= fmt.pc; \
575	} else { \
576	fmt2.wd = fmt.wd - high1( msig ); \
577	} /* if */ \
578	if ( ! fmt.flags.nobsdp ) fmt2.wd -= 2; \
579	if ( fmt2.wd < 0 ) fmt2.wd = 0; \
580	fmt2.flags.left = true; \
581	fmt.wd = 0; \
582	} /* if */ \
583	printf( "left %d %d %x\n", f.wd, f.pc, f.all ); \
584	printf( "left %d %d %x\n", fmt.wd, fmt.pc, fmt.all ); \
585	} else { \
586	fmt2.wd = 64; \
587	if ( fmt.wd > 64 ) fmt.wd -= 64; \
588	printf( "left %d %d %x\n", f.wd, f.pc, f.all ); \
589	printf( "left %d %d %x\n", fmt.wd, fmt.pc, fmt.all ); \
590	} /* if */ \
591	fmt2.pc = 64; fmt2.flags.pc = true; \
592	printf( "left %d %d %x\n", fmt2.wd, fmt2.pc, fmt2.all ); \
593	(ostype &)(os \| fmt \| "" \| fmt2); \
594	} else if ( f.base == 'o' ) { \
595	if ( fmt.flags.pc && fmt.pc > 21 ) fmt.pc -= 21; \
596	if ( fmt.flags.left ) { \
597	fmt2.wd = fmt.wd; \
598	if ( fmt2.wd <= 21 ) { \
599	fmt2.wd = fmt2.pc = 16; fmt2.flags.pc = true; \
600	} else { \
601	} /* if */ \
602	} else { \
603	fmt.val = (unsigned long long int)fmt.val >> 2; \
604	if ( fmt.wd > 21 ) fmt.wd -= 21; \
605	if ( ! fmt.flags.nobsdp ) { if ( fmt.pc < fmt.wd ) fmt.wd -= 1; else fmt.pc -= 1; } \
606	fmt2.wd = 1; \
607	fmt2.val = ((msig & 0x3) << 1) + 1; \
608	(ostype &)(os \| fmt \| "" \| fmt2); \
609	sepOff( os ); \
610	fmt2.wd = 21; \
611	fmt2.val = lsig & 0x7fffffffffffffff; \
612	(ostype &)(os \| fmt2); \
613	} /* if */ \
614	} else { \
615	if ( fmt.flags.pc && fmt.pc > 16 ) fmt.pc -= 16; \
616	if ( fmt.flags.left ) { \
617	fmt2.wd = fmt.wd; \
618	if ( fmt2.wd <= 16 ) { \
619	fmt2.wd = 16; \
620	} else { \
621	if ( fmt.pc > 0 ) { \
622	fmt2.wd -= fmt.pc; \
623	} else { \
624	fmt2.wd = fmt.wd - ceiling2( high1( msig ), 4 ) / 4; \
625	} /* if */ \
626	if ( ! fmt.flags.nobsdp ) fmt2.wd -= 2; \
627	if ( fmt2.wd < 0 ) fmt2.wd = 0; \
628	fmt2.flags.left = true; \
629	fmt.wd = 0; \
630	} /* if */ \
631	} else { \
632	fmt2.wd = 16; \
633	if ( fmt.wd > 16 ) fmt.wd -= 16; \
634	} /* if */ \
635	fmt2.pc = 16; fmt2.flags.pc = true; \
636	(ostype &)(os \| fmt \| "" \| fmt2); \
637	} /* if */ \
638	} /* if */ \
639	} else { \
640	if ( CODE == 'd' ) { \
641	if ( f.val < 0 ) { fmt( os, "-" ); sepOff( os ); f.val = -f.val; f.flags.sign = false; } \
642	} /* if */ \
643	base10_128( os, f ); \
644	} /* if */ \
645	return os; \
646	} /* ?\|? */ \
647	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
648	} // distribution
649
650	IntegralFMTImpl128( int128, signed, 'd', "% ll ", "% .*ll " )
651	IntegralFMTImpl128( unsigned int128, unsigned, 'u', "% ll ", "% .*ll " )
652	#endif // __SIZEOF_INT128__
653
654	//********************************* floating point *********************************
655
656	#define PrintWithDP2( os, format, val, ... ) \
657	{ \
658	enum { size = 48 }; \
659	char buf[size]; \
660	int bufbeg = 0, i, len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
661	if ( isfinite( val ) && (f.base != 'g' \|\| f.pc != 0) ) { /* if number, print decimal point */ \
662	for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \
663	if ( i == len && ! f.flags.nobsdp ) { \
664	if ( ! f.flags.left ) { \
665	buf[i] = '.'; buf[i + 1] = '\0'; \
666	if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
667	} else { \
668	for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
669	buf[i] = '.'; \
670	if ( i == len ) buf[i + 1] = '\0'; \
671	} /* if */ \
672	} /* if */ \
673	} /* if */ \
674	fmt( os, "%s", &buf[bufbeg] ); \
675	}
676
677	#define FloatingPointFMTImpl( T, DFMTNP, DFMTP ) \
678	forall( dtype ostype \| ostream( ostype ) ) { \
679	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
680	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
681	char fmtstr[sizeof(DFMTP)]; /* sizeof includes '\0' */ \
682	if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
683	else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
684	int star = 4; /* position before first '' / \
685	\
686	/* Insert flags into spaces before '', from right to left. / \
687	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
688	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
689	if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
690	fmtstr[star] = '%'; \
691	\
692	if ( ! f.flags.pc ) { /* no precision */ \
693	fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
694	/* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star]); */ \
695	PrintWithDP2( os, &fmtstr[star], f.val, f.wd ) \
696	} else { /* precision */ \
697	fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
698	/* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
699	PrintWithDP2( os, &fmtstr[star], f.val, f.wd, f.pc ) \
700	} /* if */ \
701	return os; \
702	} /* ?\|? */ \
703	\
704	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
705	} // distribution
706
707	FloatingPointFMTImpl( double, "% * ", "% . " )
708	FloatingPointFMTImpl( long double, "% L ", "% .*L " )
709
710	//********************************* character *********************************
711
712	forall( dtype ostype \| ostream( ostype ) ) {
713	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f ) {
714	if ( f.base != 'c' ) { // bespoke binary/octal/hex format
715	_Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
716	fmtuc.flags.pc = f.flags.pc;
717	fmtuc.flags.nobsdp = f.flags.nobsdp;
718	// os \| fmtuc \| nonl;
719	(ostype &)(os \| fmtuc);
720	return os;
721	} // if
722
723	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
724
725	#define CFMTNP "% * "
726	char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
727	memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
728	int star = 1; // position before first '*'
729
730	// Insert flags into spaces before '*', from right to left.
731	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
732	fmtstr[star] = '%';
733
734	fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
735	// printf( "%d %s\n", f.wd, &fmtstr[star] );
736	fmt( os, &fmtstr[star], f.wd, f.val );
737	return os;
738	} // ?\|?
739
740	void ?\|?( ostype & os, _Ostream_Manip(char) f ) { (ostype &)(os \| f); ends( os ); }
741	} // distribution
742
743	//********************************* C string *********************************
744
745	forall( dtype ostype \| ostream( ostype ) ) {
746	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f ) {
747	if ( ! f.val ) return os; // null pointer ?
748
749	if ( f.base != 's' ) { // bespoke binary/octal/hex format
750	_Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
751	fmtuc.flags.pc = f.flags.pc;
752	fmtuc.flags.nobsdp = f.flags.nobsdp;
753	for ( unsigned int i = 0; f.val[i] != '\0'; i += 1 ) {
754	fmtuc.val = f.val[i];
755	// os \| fmtuc \| nonl;
756	(ostype &)(os \| fmtuc);
757	} // for
758	return os;
759	} // if
760
761	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
762
763	#define SFMTNP "% * "
764	#define SFMTP "% . "
765	char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
766	if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
767	else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
768	int star = 1; // position before first '*'
769
770	// Insert flags into spaces before '*', from right to left.
771	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
772	fmtstr[star] = '%';
773
774	if ( ! f.flags.pc ) { // no precision
775	// printf( "%d %s\n", f.wd, &fmtstr[star] );
776	fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
777	fmt( os, &fmtstr[star], f.wd, f.val );
778	} else { // precision
779	fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
780	// printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
781	fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
782	} // if
783	return os;
784	} // ?\|?
785
786	void ?\|?( ostype & os, _Ostream_Manip(const char *) f ) { (ostype &)(os \| f); ends( os ); }
787	} // distribution
788
789
790	//********************************* istream *********************************
791
792
793	forall( dtype istype \| istream( istype ) ) {
794	istype & ?\|?( istype & is, bool & b ) {
795	char val[6];
796	fmt( is, "%5s", val );
797	if ( strcmp( val, "true" ) == 0 ) b = true;
798	else if ( strcmp( val, "false" ) == 0 ) b = false;
799	else {
800	fprintf( stderr, "invalid Boolean constant\n" );
801	abort(); // cannot use abort stream
802	} // if
803	return is;
804	} // ?\|?
805
806	istype & ?\|?( istype & is, char & c ) {
807	char temp;
808	for () {
809	fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
810	// do not overwrite parameter with newline unless appropriate
811	if ( temp != '\n' \|\| getANL( is ) ) { c = temp; break; }
812	if ( eof( is ) ) break;
813	} // for
814	return is;
815	} // ?\|?
816
817	istype & ?\|?( istype & is, signed char & sc ) {
818	fmt( is, "%hhi", &sc );
819	return is;
820	} // ?\|?
821
822	istype & ?\|?( istype & is, unsigned char & usc ) {
823	fmt( is, "%hhi", &usc );
824	return is;
825	} // ?\|?
826
827	istype & ?\|?( istype & is, short int & si ) {
828	fmt( is, "%hi", &si );
829	return is;
830	} // ?\|?
831
832	istype & ?\|?( istype & is, unsigned short int & usi ) {
833	fmt( is, "%hi", &usi );
834	return is;
835	} // ?\|?
836
837	istype & ?\|?( istype & is, int & i ) {
838	fmt( is, "%i", &i );
839	return is;
840	} // ?\|?
841
842	istype & ?\|?( istype & is, unsigned int & ui ) {
843	fmt( is, "%i", &ui );
844	return is;
845	} // ?\|?
846
847	istype & ?\|?( istype & is, long int & li ) {
848	fmt( is, "%li", &li );
849	return is;
850	} // ?\|?
851
852	istype & ?\|?( istype & is, unsigned long int & ulli ) {
853	fmt( is, "%li", &ulli );
854	return is;
855	} // ?\|?
856
857	istype & ?\|?( istype & is, long long int & lli ) {
858	fmt( is, "%lli", &lli );
859	return is;
860	} // ?\|?
861
862	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
863	fmt( is, "%lli", &ulli );
864	return is;
865	} // ?\|?
866
867
868	istype & ?\|?( istype & is, float & f ) {
869	fmt( is, "%f", &f );
870	return is;
871	} // ?\|?
872
873	istype & ?\|?( istype & is, double & d ) {
874	fmt( is, "%lf", &d );
875	return is;
876	} // ?\|?
877
878	istype & ?\|?( istype & is, long double & ld ) {
879	fmt( is, "%Lf", &ld );
880	return is;
881	} // ?\|?
882
883
884	istype & ?\|?( istype & is, float _Complex & fc ) {
885	float re, im;
886	fmt( is, "%f%fi", &re, &im );
887	fc = re + im * _Complex_I;
888	return is;
889	} // ?\|?
890
891	istype & ?\|?( istype & is, double _Complex & dc ) {
892	double re, im;
893	fmt( is, "%lf%lfi", &re, &im );
894	dc = re + im * _Complex_I;
895	return is;
896	} // ?\|?
897
898	istype & ?\|?( istype & is, long double _Complex & ldc ) {
899	long double re, im;
900	fmt( is, "%Lf%Lfi", &re, &im );
901	ldc = re + im * _Complex_I;
902	return is;
903	} // ?\|?
904
905	// istype & ?\|?( istype & is, const char fmt[] ) {
906	// fmt( is, fmt, "" );
907	// return is;
908	// } // ?\|?
909
910	istype & ?\|?( istype & is, char * s ) {
911	fmt( is, "%s", s );
912	return is;
913	} // ?\|?
914
915	// manipulators
916	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
917	return manip( is );
918	} // ?\|?
919
920	istype & nl( istype & is ) {
921	fmt( is, "%*[^\n]" ); // ignore characters to newline
922	return is;
923	} // nl
924
925	istype & nlOn( istype & is ) {
926	nlOn( is ); // call void returning
927	return is;
928	} // nlOn
929
930	istype & nlOff( istype & is ) {
931	nlOff( is ); // call void returning
932	return is;
933	} // nlOff
934	} // distribution
935
936	//********************************* manipulators *********************************
937
938	forall( dtype istype \| istream( istype ) )
939	istype & ?\|?( istype & is, _Istream_Cstr f ) {
940	// skip xxx
941	if ( ! f.s ) {
942	// printf( "skip %s %d\n", f.scanset, f.wd );
943	if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments
944	else for ( f.wd ) fmt( is, "%*c" );
945	return is;
946	} // if
947	size_t len = 0;
948	if ( f.scanset ) len = strlen( f.scanset );
949	char fmtstr[len + 16];
950	int start = 1;
951	fmtstr[0] = '%';
952	if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
953	if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
954	// cstr %s, %s, %ws, %ws
955	if ( ! f.scanset ) {
956	fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
957	// printf( "cstr %s\n", fmtstr );
958	fmt( is, fmtstr, f.s );
959	return is;
960	} // if
961	// incl %[xxx], %[xxx], %w[xxx], %w[xxx]
962	// excl %[^xxx], %[^xxx], %w[^xxx], %w[^xxx]
963	fmtstr[start] = '['; start += 1;
964	if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
965	strcpy( &fmtstr[start], f.scanset ); // copy includes '\0'
966	len += start;
967	fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
968	// printf( "incl/excl %s\n", fmtstr );
969	fmt( is, fmtstr, f.s );
970	return is;
971	} // ?\|?
972
973	forall( dtype istype \| istream( istype ) )
974	istype & ?\|?( istype & is, _Istream_Char f ) {
975	fmt( is, "%*c" ); // argument variable unused
976	return is;
977	} // ?\|?
978
979	#define InputFMTImpl( T, CODE ) \
980	forall( dtype istype \| istream( istype ) ) \
981	istype & ?\|?( istype & is, _Istream_Manip(T) f ) { \
982	enum { size = 16 }; \
983	char fmtstr[size]; \
984	if ( f.wd == -1 ) { \
985	snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
986	} else { \
987	snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
988	} /* if */ \
989	/* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
990	fmt( is, fmtstr, &f.val ); \
991	return is; \
992	} // ?\|?
993
994	InputFMTImpl( signed char, "hhi" )
995	InputFMTImpl( unsigned char, "hhi" )
996	InputFMTImpl( signed short int, "hi" )
997	InputFMTImpl( unsigned short int, "hi" )
998	InputFMTImpl( signed int, "i" )
999	InputFMTImpl( unsigned int, "i" )
1000	InputFMTImpl( signed long int, "li" )
1001	InputFMTImpl( unsigned long int, "li" )
1002	InputFMTImpl( signed long long int, "lli" )
1003	InputFMTImpl( unsigned long long int, "lli" )
1004
1005	InputFMTImpl( float, "f" )
1006	InputFMTImpl( double, "lf" )
1007	InputFMTImpl( long double, "Lf" )
1008
1009	forall( dtype istype \| istream( istype ) )
1010	istype & ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
1011	float re, im;
1012	_Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
1013	is \| fmtuc;
1014	&fmtuc.val = &im;
1015	is \| fmtuc;
1016	if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
1017	return is;
1018	} // ?\|?
1019
1020	forall( dtype istype \| istream( istype ) )
1021	istype & ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
1022	double re, im;
1023	_Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
1024	is \| fmtuc;
1025	&fmtuc.val = &im;
1026	is \| fmtuc;
1027	if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
1028	return is;
1029	} // ?\|?
1030
1031	forall( dtype istype \| istream( istype ) )
1032	istype & ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
1033	long double re, im;
1034	_Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
1035	is \| fmtuc;
1036	&fmtuc.val = &im;
1037	is \| fmtuc;
1038	if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
1039	return is;
1040	} // ?\|?
1041
1042	// Local Variables: //
1043	// tab-width: 4 //
1044	// compile-command: "cfa iostream.cfa" //
1045	// End: //

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