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iostream.cfa@ 8291293

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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 8291293 was 8d321f9, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
adjust / comments, change exception name from IO_OPEN_FAILURE to Open_Failure, add temporary Open_Failure tag in lieu of polymorphic exceptions
Property mode set to `100644`
File size: 35.6 KB

Rev	Line
[86bd7c1f]	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	//
[b117e0c]	7	// iostream.cfa --
[86bd7c1f]	8	//
[90c3b1c]	9	// Author : Peter A. Buhr
[86bd7c1f]	10	// Created On : Wed May 27 17:56:53 2015
[e24f13a]	11	// Last Modified By : Peter A. Buhr
[8d321f9]	12	// Last Modified On : Fri Jun 19 16:15:34 2020
	13	// Update Count : 1019
[86bd7c1f]	14	//
[51b73452]	15
[58b6d1b]	16	#include "iostream.hfa"
[d3b7937]	17
[51b73452]	18	#include <stdio.h>
[53a6c2a]	19	#include <stdbool.h> // true/false
[e59e663]	20	#include <stdint.h> // UINT64_MAX
[6026628]	21	#include <float.h> // DBL_DIG, LDBL_DIG
	22	#include <math.h> // isfinite
	23	#include <complex.h> // creal, cimag
[200fcb3]	24	//#include <string.h> // strlen, strcmp
[6026628]	25	extern "C" {
[44574f2]	26	extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
[3c573e9]	27	extern int strcmp (const char __s1, const char __s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
	28	extern char strcpy (char __restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
	29	extern void memcpy (void __restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
	30	} // extern "C"
[51b73452]	31
[7fd71c7]	32	#include <bitmanip.hfa> // fms
	33
[61c7239]	34
[8d321f9]	35	// ********************************* ostream *********************************
[61c7239]	36
	37
[3ce0d440]	38	forall( dtype ostype \| ostream( ostype ) ) {
[17a1b21]	39	ostype & ?\|?( ostype & os, zero_t ) {
[d1a9ff5]	40	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[17a1b21]	41	fmt( os, "%d", 0n );
	42	return os;
	43	} // ?\|?
	44	void ?\|?( ostype & os, zero_t z ) {
[65240bb]	45	(ostype &)(os \| z); ends( os );
[17a1b21]	46	} // ?\|?
	47
	48	ostype & ?\|?( ostype & os, one_t ) {
[d1a9ff5]	49	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[17a1b21]	50	fmt( os, "%d", 1n );
	51	return os;
	52	} // ?\|?
	53	void ?\|?( ostype & os, one_t o ) {
[65240bb]	54	(ostype &)(os \| o); ends( os );
[17a1b21]	55	} // ?\|?
	56
[93c2e0a]	57	ostype & ?\|?( ostype & os, bool b ) {
[d1a9ff5]	58	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	59	fmt( os, "%s", b ? "true" : "false" );
	60	return os;
	61	} // ?\|?
[200fcb3]	62	void ?\|?( ostype & os, bool b ) {
[65240bb]	63	(ostype &)(os \| b); ends( os );
[200fcb3]	64	} // ?\|?
[51b73452]	65
[200fcb3]	66	ostype & ?\|?( ostype & os, char c ) {
	67	fmt( os, "%c", c );
[d1a9ff5]	68	if ( c == '\n' ) $setNL( os, true );
[200fcb3]	69	return sepOff( os );
	70	} // ?\|?
	71	void ?\|?( ostype & os, char c ) {
[65240bb]	72	(ostype &)(os \| c); ends( os );
[3ce0d440]	73	} // ?\|?
	74
[200fcb3]	75	ostype & ?\|?( ostype & os, signed char sc ) {
[d1a9ff5]	76	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[200fcb3]	77	fmt( os, "%hhd", sc );
[3ce0d440]	78	return os;
	79	} // ?\|?
[200fcb3]	80	void ?\|?( ostype & os, signed char sc ) {
[65240bb]	81	(ostype &)(os \| sc); ends( os );
[200fcb3]	82	} // ?\|?
[3ce0d440]	83
[200fcb3]	84	ostype & ?\|?( ostype & os, unsigned char usc ) {
[d1a9ff5]	85	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[200fcb3]	86	fmt( os, "%hhu", usc );
[3ce0d440]	87	return os;
	88	} // ?\|?
[200fcb3]	89	void ?\|?( ostype & os, unsigned char usc ) {
[65240bb]	90	(ostype &)(os \| usc); ends( os );
[200fcb3]	91	} // ?\|?
[3ce0d440]	92
	93	ostype & ?\|?( ostype & os, short int si ) {
[d1a9ff5]	94	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	95	fmt( os, "%hd", si );
	96	return os;
	97	} // ?\|?
[200fcb3]	98	void & ?\|?( ostype & os, short int si ) {
[65240bb]	99	(ostype &)(os \| si); ends( os );
[200fcb3]	100	} // ?\|?
[3ce0d440]	101
	102	ostype & ?\|?( ostype & os, unsigned short int usi ) {
[d1a9ff5]	103	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	104	fmt( os, "%hu", usi );
	105	return os;
	106	} // ?\|?
[200fcb3]	107	void & ?\|?( ostype & os, unsigned short int usi ) {
[65240bb]	108	(ostype &)(os \| usi); ends( os );
[200fcb3]	109	} // ?\|?
[3ce0d440]	110
	111	ostype & ?\|?( ostype & os, int i ) {
[d1a9ff5]	112	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	113	fmt( os, "%d", i );
	114	return os;
	115	} // ?\|?
[200fcb3]	116	void & ?\|?( ostype & os, int i ) {
[65240bb]	117	(ostype &)(os \| i); ends( os );
[200fcb3]	118	} // ?\|?
[3ce0d440]	119
	120	ostype & ?\|?( ostype & os, unsigned int ui ) {
[d1a9ff5]	121	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	122	fmt( os, "%u", ui );
	123	return os;
	124	} // ?\|?
[200fcb3]	125	void & ?\|?( ostype & os, unsigned int ui ) {
[65240bb]	126	(ostype &)(os \| ui); ends( os );
[200fcb3]	127	} // ?\|?
[3ce0d440]	128
	129	ostype & ?\|?( ostype & os, long int li ) {
[d1a9ff5]	130	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	131	fmt( os, "%ld", li );
	132	return os;
	133	} // ?\|?
[200fcb3]	134	void & ?\|?( ostype & os, long int li ) {
[65240bb]	135	(ostype &)(os \| li); ends( os );
[200fcb3]	136	} // ?\|?
[3ce0d440]	137
	138	ostype & ?\|?( ostype & os, unsigned long int uli ) {
[d1a9ff5]	139	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	140	fmt( os, "%lu", uli );
	141	return os;
	142	} // ?\|?
[200fcb3]	143	void & ?\|?( ostype & os, unsigned long int uli ) {
[65240bb]	144	(ostype &)(os \| uli); ends( os );
[200fcb3]	145	} // ?\|?
[3ce0d440]	146
	147	ostype & ?\|?( ostype & os, long long int lli ) {
[d1a9ff5]	148	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	149	fmt( os, "%lld", lli );
	150	return os;
	151	} // ?\|?
[200fcb3]	152	void & ?\|?( ostype & os, long long int lli ) {
[65240bb]	153	(ostype &)(os \| lli); ends( os );
[200fcb3]	154	} // ?\|?
[3ce0d440]	155
	156	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
[d1a9ff5]	157	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	158	fmt( os, "%llu", ulli );
	159	return os;
	160	} // ?\|?
[200fcb3]	161	void & ?\|?( ostype & os, unsigned long long int ulli ) {
[65240bb]	162	(ostype &)(os \| ulli); ends( os );
[200fcb3]	163	} // ?\|?
[3ce0d440]	164
[bd5b443]	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 ) {
[e59e663]	187	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[bd5b443]	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 ) {
[e59e663]	196	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[bd5b443]	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
[e63326b]	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	}
[b2ac656]	218
[3ce0d440]	219	ostype & ?\|?( ostype & os, float f ) {
[d1a9ff5]	220	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e63326b]	221	PrintWithDP( os, "%g", f );
[3ce0d440]	222	return os;
	223	} // ?\|?
[200fcb3]	224	void & ?\|?( ostype & os, float f ) {
[65240bb]	225	(ostype &)(os \| f); ends( os );
[200fcb3]	226	} // ?\|?
[3ce0d440]	227
	228	ostype & ?\|?( ostype & os, double d ) {
[d1a9ff5]	229	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e63326b]	230	PrintWithDP( os, "%.*lg", d, DBL_DIG );
[3ce0d440]	231	return os;
	232	} // ?\|?
[200fcb3]	233	void & ?\|?( ostype & os, double d ) {
[65240bb]	234	(ostype &)(os \| d); ends( os );
[200fcb3]	235	} // ?\|?
[3ce0d440]	236
	237	ostype & ?\|?( ostype & os, long double ld ) {
[d1a9ff5]	238	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[e63326b]	239	PrintWithDP( os, "%.*Lg", ld, LDBL_DIG );
[3ce0d440]	240	return os;
	241	} // ?\|?
[200fcb3]	242	void & ?\|?( ostype & os, long double ld ) {
[65240bb]	243	(ostype &)(os \| ld); ends( os );
[200fcb3]	244	} // ?\|?
[3ce0d440]	245
	246	ostype & ?\|?( ostype & os, float _Complex fc ) {
[d1a9ff5]	247	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[b2ac656]	248	// os \| crealf( fc ) \| nonl;
[3c573e9]	249	PrintWithDP( os, "%g", crealf( fc ) );
	250	PrintWithDP( os, "%+g", cimagf( fc ) );
[3c5dee4]	251	fmt( os, "i" );
[3ce0d440]	252	return os;
	253	} // ?\|?
[200fcb3]	254	void & ?\|?( ostype & os, float _Complex fc ) {
[65240bb]	255	(ostype &)(os \| fc); ends( os );
[200fcb3]	256	} // ?\|?
[3ce0d440]	257
	258	ostype & ?\|?( ostype & os, double _Complex dc ) {
[d1a9ff5]	259	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[b2ac656]	260	// os \| creal( dc ) \| nonl;
[3c573e9]	261	PrintWithDP( os, "%.*lg", creal( dc ), DBL_DIG );
	262	PrintWithDP( os, "%+.*lg", cimag( dc ), DBL_DIG );
[3c5dee4]	263	fmt( os, "i" );
[3ce0d440]	264	return os;
	265	} // ?\|?
[200fcb3]	266	void & ?\|?( ostype & os, double _Complex dc ) {
[65240bb]	267	(ostype &)(os \| dc); ends( os );
[200fcb3]	268	} // ?\|?
[3ce0d440]	269
	270	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
[d1a9ff5]	271	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[b2ac656]	272	// os \| creall( ldc ) \|\| nonl;
[3c573e9]	273	PrintWithDP( os, "%.*Lg", creall( ldc ), LDBL_DIG );
	274	PrintWithDP( os, "%+.*Lg", cimagl( ldc ), LDBL_DIG );
[3c5dee4]	275	fmt( os, "i" );
[3ce0d440]	276	return os;
	277	} // ?\|?
[200fcb3]	278	void & ?\|?( ostype & os, long double _Complex ldc ) {
[65240bb]	279	(ostype &)(os \| ldc); ends( os );
[200fcb3]	280	} // ?\|?
[3ce0d440]	281
[e3fea42]	282	ostype & ?\|?( ostype & os, const char str[] ) {
[3ce0d440]	283	enum { Open = 1, Close, OpenClose };
	284	static const unsigned char mask[256] @= {
	285	// opening delimiters, no space after
	286	['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]	287	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
	288	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]	289	// closing delimiters, no space before
	290	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]	291	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]	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
[d1a9ff5]	302	if ( $sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
	303	fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	304	} // if
	305
	306	// if string starts line, must reset to determine open state because separator is off
[d1a9ff5]	307	$sepReset( os ); // reset separator
[3ce0d440]	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
[d1a9ff5]	312	if ( $sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
[3ce0d440]	313	sepOn( os );
	314	} else {
	315	sepOff( os );
	316	} // if
[d1a9ff5]	317	if ( ch == '\n' ) $setNL( os, true ); // check AFTER $sepPrt call above as it resets NL flag
[3ce0d440]	318	return write( os, str, len );
	319	} // ?\|?
[e3fea42]	320
	321	void ?\|?( ostype & os, const char str[] ) {
[65240bb]	322	(ostype &)(os \| str); ends( os );
[200fcb3]	323	} // ?\|?
[3ce0d440]	324
	325	// ostype & ?\|?( ostype & os, const char16_t * str ) {
[d1a9ff5]	326	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	327	// fmt( os, "%ls", str );
	328	// return os;
	329	// } // ?\|?
[d3b7937]	330
[3ce0d440]	331	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
	332	// ostype & ?\|?( ostype & os, const char32_t * str ) {
[d1a9ff5]	333	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	334	// fmt( os, "%ls", str );
	335	// return os;
	336	// } // ?\|?
	337	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]	338
[3ce0d440]	339	// ostype & ?\|?( ostype & os, const wchar_t * str ) {
[d1a9ff5]	340	// if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	341	// fmt( os, "%ls", str );
	342	// return os;
	343	// } // ?\|?
	344
	345	ostype & ?\|?( ostype & os, const void * p ) {
[d1a9ff5]	346	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3ce0d440]	347	fmt( os, "%p", p );
	348	return os;
	349	} // ?\|?
[200fcb3]	350	void ?\|?( ostype & os, const void * p ) {
[65240bb]	351	(ostype &)(os \| p); ends( os );
[200fcb3]	352	} // ?\|?
[3ce0d440]	353
	354	// manipulators
	355	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[9d362a0]	356	(ostype &)(manip( os ));
[200fcb3]	357	return os;
	358	} // ?\|?
	359	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[9d362a0]	360	(ostype &)(manip( os ));
[d1a9ff5]	361	if ( $getPrt( os ) ) ends( os ); // something printed ?
	362	$setPrt( os, false ); // turn off
[3ce0d440]	363	} // ?\|?
	364
	365	ostype & sep( ostype & os ) {
[9d362a0]	366	return (ostype &)(os \| sepGet( os ));
[3ce0d440]	367	} // sep
	368
	369	ostype & sepTuple( ostype & os ) {
[200fcb3]	370	return os \| sepGetTuple( os );
[3ce0d440]	371	} // sepTuple
	372
[200fcb3]	373	ostype & nl( ostype & os ) {
[9d362a0]	374	(ostype &)(os \| '\n');
[d1a9ff5]	375	$setPrt( os, false ); // turn off
	376	$setNL( os, true );
[3ce0d440]	377	flush( os );
[200fcb3]	378	return sepOff( os ); // prepare for next line
	379	} // nl
	380
	381	ostype & nonl( ostype & os ) {
[d1a9ff5]	382	$setPrt( os, false ); // turn off
[3ce0d440]	383	return os;
[200fcb3]	384	} // nonl
[3ce0d440]	385
	386	ostype & sepOn( ostype & os ) {
[200fcb3]	387	sepOn( os ); // call void returning
[3ce0d440]	388	return os;
	389	} // sepOn
	390
	391	ostype & sepOff( ostype & os ) {
[200fcb3]	392	sepOff( os ); // call void returning
[3ce0d440]	393	return os;
	394	} // sepOff
[6de9f4a]	395
[3ce0d440]	396	ostype & sepEnable( ostype & os ) {
[200fcb3]	397	sepEnable( os ); // call void returning
[3ce0d440]	398	return os;
	399	} // sepEnable
[b6dc097]	400
[3ce0d440]	401	ostype & sepDisable( ostype & os ) {
[200fcb3]	402	sepDisable( os ); // call void returning
[3ce0d440]	403	return os;
	404	} // sepDisable
[cf16f94]	405
[200fcb3]	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
[cf16f94]	416
[c443d1d]	417	// tuples
[200fcb3]	418	forall( dtype ostype, otype T, ttype Params \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
	419	ostype & ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	420	(ostype &)(os \| arg); // print first argument
[d1a9ff5]	421	$sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	422	(ostype &)(os \| rest); // print remaining arguments
[d1a9ff5]	423	$sepSetCur( os, sepGet( os ) ); // switch to regular separator
[200fcb3]	424	return os;
	425	} // ?\|?
	426	void ?\|?( ostype & os, T arg, Params rest ) {
[65240bb]	427	// (ostype &)(?\|?( os, arg, rest )); ends( os );
[9d362a0]	428	(ostype &)(os \| arg); // print first argument
[d1a9ff5]	429	$sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	430	(ostype &)(os \| rest); // print remaining arguments
[d1a9ff5]	431	$sepSetCur( os, sepGet( os ) ); // switch to regular separator
[65240bb]	432	ends( os );
[200fcb3]	433	} // ?\|?
	434	} // distribution
[c443d1d]	435
[61c7239]	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
[8d321f9]	449	// ********************************* manipulators *********************************
[3c573e9]	450
[8d321f9]	451	// ********************************* integral *********************************
[3c573e9]	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 ) { \
[d1a9ff5]	460	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
[3c573e9]	461	\
	462	if ( f.base == 'b' \|\| f.base == 'B' ) { /* bespoke binary format */ \
[7fd71c7]	463	int bits = high1( f.val ); /* position of most significant bit */ \
	464	if ( bits == 0 ) bits = 1; /* 0 value => force one bit to print */ \
[c7978c0]	465	int spaces; \
[3c573e9]	466	if ( ! f.flags.left ) { /* right justified ? */ \
	467	/* Note, base prefix then zero padding or spacing then prefix. */ \
[c7978c0]	468	if ( f.flags.pc ) { \
	469	spaces = f.wd - f.pc; \
	470	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	471	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
[3c573e9]	472	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
[c7978c0]	473	spaces = f.pc - bits; \
[3c573e9]	474	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	475	} else { \
[c7978c0]	476	spaces = f.wd - bits; \
	477	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
	478	if ( f.flags.pad0 ) { \
	479	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	480	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	481	} else { \
	482	if ( spaces > 0 ) fmt( os, "%s", spaces, " " ); / space pad */ \
	483	if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \
	484	} /* if */ \
	485	} /* if */ \
	486	} else { \
	487	if ( ! f.flags.nobsdp ) fmt( os, "0%c", f.base ); \
	488	if ( f.flags.pc ) { \
	489	spaces = f.pc - bits; \
	490	if ( spaces > 0 ) fmt( os, "%0d", spaces, 0 ); / zero pad */ \
	491	spaces = f.wd - f.pc; \
	492	} else { /* pad0 flag ignored with left flag */ \
	493	spaces = f.wd - bits; \
[3c573e9]	494	} /* if */ \
[c7978c0]	495	if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \
[3c573e9]	496	} /* if */ \
[fd4d3017]	497	int shift = floor( bits - 1, 4 ); \
[3c573e9]	498	typeof( f.val ) temp = f.val; \
	499	fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \
	500	for () { \
	501	shift -= 4; \
	502	if ( shift < 0 ) break; \
	503	temp = f.val; \
	504	fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \
	505	} /* for */ \
	506	if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \
	507	return os; \
	508	} /* if */ \
	509	\
	510	char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \
	511	if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \
	512	else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \
	513	int star = 4; /* position before first '' / \
	514	\
	515	/* Insert flags into spaces before '', from right to left. / \
	516	if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \
	517	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
	518	if ( f.flags.sign && f.base == CODE ) { fmtstr[star] = '+'; star -= 1; } \
	519	if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \
	520	fmtstr[star] = '%'; \
	521	\
	522	if ( ! f.flags.pc ) { /* no precision */ \
	523	fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
[bd5b443]	524	/* printf( "%s %c %c\n", &fmtstr[star], f.base, CODE ); */ \
[3c573e9]	525	fmt( os, &fmtstr[star], f.wd, f.val ); \
	526	} else { /* precision */ \
	527	fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \
[bd5b443]	528	/* printf( "%s %c %c\n", &fmtstr[star], f.base, CODE ); */ \
[3c573e9]	529	fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \
	530	} /* if */ \
	531	return os; \
	532	} /* ?\|? */ \
[65240bb]	533	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
[3c573e9]	534	} // distribution
	535
	536	IntegralFMTImpl( signed char, 'd', "% hh ", "% .*hh " )
	537	IntegralFMTImpl( unsigned char, 'u', "% hh ", "% .*hh " )
	538	IntegralFMTImpl( signed short int, 'd', "% h ", "% .*h " )
	539	IntegralFMTImpl( unsigned short int, 'u', "% h ", "% .*h " )
	540	IntegralFMTImpl( signed int, 'd', "% * ", "% . " )
	541	IntegralFMTImpl( unsigned int, 'u', "% * ", "% . " )
	542	IntegralFMTImpl( signed long int, 'd', "% l ", "% .*l " )
	543	IntegralFMTImpl( unsigned long int, 'u', "% l ", "% .*l " )
	544	IntegralFMTImpl( signed long long int, 'd', "% ll ", "% .*ll " )
	545	IntegralFMTImpl( unsigned long long int, 'u', "% ll ", "% .*ll " )
	546
[bd5b443]	547
	548	#if defined( __SIZEOF_INT128__ )
	549	// Default prefix for non-decimal prints is 0b, 0, 0x.
	550	#define IntegralFMTImpl128( T, SIGNED, CODE, IFMTNP, IFMTP ) \
	551	forall( dtype ostype \| ostream( ostype ) ) \
[852a2f06]	552	static void base10_128( ostype & os, _Ostream_Manip(T) f ) { \
	553	if ( f.val > UINT64_MAX ) { \
	554	unsigned long long int lsig = f.val % P10_UINT64; \
	555	f.val /= P10_UINT64; /* msig */ \
	556	base10_128( os, f ); /* recursion */ \
	557	_Ostream_Manip(unsigned long long int) fmt @= { lsig, 0, 19, 'u', { .all : 0 } }; \
	558	fmt.flags.nobsdp = true; \
	559	/* printf( "fmt1 %c %lld %d\n", fmt.base, fmt.val, fmt.all ); */ \
[bd5b443]	560	sepOff( os ); \
[852a2f06]	561	(ostype &)(os \| fmt); \
[bd5b443]	562	} else { \
[852a2f06]	563	/* printf( "fmt2 %c %lld %d\n", f.base, (unsigned long long int)f.val, f.all ); */ \
	564	_Ostream_Manip(SIGNED long long int) fmt @= { (SIGNED long long int)f.val, f.wd, f.pc, f.base, { .all : f.all } }; \
	565	(ostype &)(os \| fmt); \
[bd5b443]	566	} /* if */ \
[852a2f06]	567	} /* base10_128 */ \
[bd5b443]	568	forall( dtype ostype \| ostream( ostype ) ) { \
	569	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[e59e663]	570	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
[bd5b443]	571	\
[dd7c6520]	572	if ( f.base == 'b' \| f.base == 'B' \| f.base == 'o' \| f.base == 'x' \| f.base == 'X' ) { \
[bd5b443]	573	unsigned long long int msig = (unsigned long long int)(f.val >> 64); \
	574	unsigned long long int lsig = (unsigned long long int)(f.val); \
	575	_Ostream_Manip(SIGNED long long int) fmt @= { msig, f.wd, f.pc, f.base, { .all : f.all } }; \
	576	_Ostream_Manip(unsigned long long int) fmt2 @= { lsig, 0, 0, f.base, { .all : 0 } }; \
	577	if ( msig == 0 ) { \
	578	fmt.val = lsig; \
	579	(ostype &)(os \| fmt); \
	580	} else { \
	581	fmt2.flags.pad0 = fmt2.flags.nobsdp = true; \
[dd7c6520]	582	if ( f.base == 'b' \| f.base == 'B' ) { \
[dab31d0]	583	if ( fmt.flags.pc && fmt.pc > 64 ) fmt.pc -= 64; else { fmt.flags.pc = false; fmt.pc = 0; } \
[7fd71c7]	584	if ( fmt.flags.left ) { \
[1488f94]	585	fmt.flags.left = false; \
	586	fmt.wd = 0; \
	587	/* printf( "L %llo %llo %llo %d %d '%c' %x\n", msig, lsig, fmt.val, fmt.wd, fmt.pc, fmt.base, fmt.all ); */ \
	588	fmt2.flags.left = true; \
	589	int msigd = high1( msig ); \
	590	fmt2.wd = f.wd - (fmt.pc > msigd ? fmt.pc : msigd); \
	591	if ( ! fmt.flags.nobsdp ) fmt2.wd -= 2; /* compensate for 0b base specifier */ \
	592	if ( (int)fmt2.wd < 64 ) fmt2.wd = 64; /* cast deals with negative value */ \
	593	fmt2.flags.pc = true; fmt2.pc = 64; \
[7fd71c7]	594	} else { \
	595	if ( fmt.wd > 64 ) fmt.wd -= 64; \
[1488f94]	596	else fmt.wd = 1; \
	597	/* printf( "R %llo %llo %llo %d %d '%c' %x\n", msig, lsig, fmt.val, fmt.wd, fmt.pc, fmt.base, fmt.all ); */ \
[dab31d0]	598	fmt2.wd = 64; \
[7fd71c7]	599	} /* if */ \
[1488f94]	600	/* printf( "C %llo %d %d '%c' %x\n", fmt2.val, fmt2.wd, fmt2.pc, fmt2.base, fmt2.all ); */ \
[bd5b443]	601	(ostype &)(os \| fmt \| "" \| fmt2); \
	602	} else if ( f.base == 'o' ) { \
[37e5640]	603	if ( fmt.flags.pc && fmt.pc > 22 ) fmt.pc -= 22; else { fmt.flags.pc = false; fmt.pc = 0; } \
[0a2e1c05]	604	fmt.val = (unsigned long long int)fmt.val >> 2; \
	605	fmt2.val = ((msig & 0x3) << 1) + ((lsig & 0x8000000000000000U) != 0); \
[7fd71c7]	606	if ( fmt.flags.left ) { \
[3d2852a]	607	fmt.flags.left = false; \
[0a2e1c05]	608	fmt.wd = 0; \
[fd4d3017]	609	/* printf( "L %llo %llo %llo %d %d '%c' %x %llo %d %d '%c' %x\n", msig, lsig, fmt.val, fmt.wd, fmt.pc, fmt.base, fmt.all, fmt2.val, fmt2.wd, fmt2.pc, fmt2.base, fmt2.all ); */ \
[3d2852a]	610	(ostype &)(os \| fmt \| "" \| fmt2); \
	611	sepOff( os ); \
	612	fmt2.flags.left = true; \
[1488f94]	613	int msigd = ceiling( high1( fmt.val ), 3 ); \
	614	fmt2.wd = f.wd - (fmt.pc > msigd ? fmt.pc : msigd); \
	615	if ( ! fmt.flags.nobsdp ) fmt2.wd -= 1; /* compensate for 0 base specifier */ \
[fd4d3017]	616	if ( (int)fmt2.wd < 21 ) fmt2.wd = 21; /* cast deals with negative value */ \
[dab31d0]	617	fmt2.flags.pc = true; fmt2.pc = 21; \
[7fd71c7]	618	} else { \
[b25aafa]	619	if ( fmt.wd > 22 ) fmt.wd -= 22; \
[1488f94]	620	else fmt.wd = 1; \
[fd4d3017]	621	/* printf( "R %llo %llo %llo %d %d '%c' %x %llo %d %d '%c' %x\n", msig, lsig, fmt.val, fmt.wd, fmt.pc, fmt.base, fmt.all, fmt2.val, fmt2.wd, fmt2.pc, fmt2.base, fmt2.all ); */ \
[7fd71c7]	622	(ostype &)(os \| fmt \| "" \| fmt2); \
	623	sepOff( os ); \
	624	fmt2.wd = 21; \
	625	} /* if */ \
[0a2e1c05]	626	fmt2.val = lsig & 0x7fffffffffffffffU; \
	627	/* printf( "\nC %llo %d %d '%c' %x\n", fmt2.val, fmt2.wd, fmt2.pc, fmt2.base, fmt2.all ); */ \
	628	(ostype &)(os \| fmt2); \
[1488f94]	629	} else { /* f.base == 'x' \| f.base == 'X' */ \
	630	if ( fmt.flags.pc && fmt.pc > 16 ) fmt.pc -= 16; else { fmt.flags.pc = false; fmt.pc = 0; } \
[7fd71c7]	631	if ( fmt.flags.left ) { \
[1488f94]	632	fmt.flags.left = false; \
	633	fmt.wd = 0; \
	634	/* printf( "L %llo %llo %llo %d %d '%c' %x\n", msig, lsig, fmt.val, fmt.wd, fmt.pc, fmt.base, fmt.all ); */ \
	635	fmt2.flags.left = true; \
	636	int msigd = high1( msig ); \
	637	fmt2.wd = f.wd - (fmt.pc > msigd ? fmt.pc : msigd); \
	638	if ( ! fmt.flags.nobsdp ) fmt2.wd -= 2; /* compensate for 0x base specifier */ \
	639	if ( (int)fmt2.wd < 16 ) fmt2.wd = 16; /* cast deals with negative value */ \
	640	fmt2.flags.pc = true; fmt2.pc = 16; \
[bd5b443]	641	} else { \
[7fd71c7]	642	if ( fmt.wd > 16 ) fmt.wd -= 16; \
[1488f94]	643	else fmt.wd = 1; \
	644	/* printf( "R %llo %llo %llo %d %d '%c' %x\n", msig, lsig, fmt.val, fmt.wd, fmt.pc, fmt.base, fmt.all ); */ \
	645	fmt2.wd = 16; \
[bd5b443]	646	} /* if */ \
[1488f94]	647	/* printf( "C %llo %d %d '%c' %x\n", fmt2.val, fmt2.wd, fmt2.pc, fmt2.base, fmt2.all ); */ \
[bd5b443]	648	(ostype &)(os \| fmt \| "" \| fmt2); \
	649	} /* if */ \
	650	} /* if */ \
	651	} else { \
[852a2f06]	652	if ( CODE == 'd' ) { \
	653	if ( f.val < 0 ) { fmt( os, "-" ); sepOff( os ); f.val = -f.val; f.flags.sign = false; } \
	654	} /* if */ \
[bd5b443]	655	base10_128( os, f ); \
	656	} /* if */ \
	657	return os; \
	658	} /* ?\|? */ \
	659	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
	660	} // distribution
	661
	662	IntegralFMTImpl128( int128, signed, 'd', "% ll ", "% .*ll " )
	663	IntegralFMTImpl128( unsigned int128, unsigned, 'u', "% ll ", "% .*ll " )
	664	#endif // __SIZEOF_INT128__
	665
[8d321f9]	666	// ********************************* floating point *********************************
[3c573e9]	667
	668	#define PrintWithDP2( os, format, val, ... ) \
	669	{ \
	670	enum { size = 48 }; \
	671	char buf[size]; \
	672	int bufbeg = 0, i, len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \
	673	if ( isfinite( val ) && (f.base != 'g' \|\| f.pc != 0) ) { /* if number, print decimal point */ \
	674	for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \
	675	if ( i == len && ! f.flags.nobsdp ) { \
	676	if ( ! f.flags.left ) { \
	677	buf[i] = '.'; buf[i + 1] = '\0'; \
[4f37255]	678	if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \
[3c573e9]	679	} else { \
	680	for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \
	681	buf[i] = '.'; \
	682	if ( i == len ) buf[i + 1] = '\0'; \
	683	} /* if */ \
	684	} /* if */ \
	685	} /* if */ \
	686	fmt( os, "%s", &buf[bufbeg] ); \
	687	}
	688
	689	#define FloatingPointFMTImpl( T, DFMTNP, DFMTP ) \
	690	forall( dtype ostype \| ostream( ostype ) ) { \
	691	ostype & ?\|?( ostype & os, _Ostream_Manip(T) f ) { \
[d1a9ff5]	692	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) ); \
[3c573e9]	693	char fmtstr[sizeof(DFMTP)]; /* sizeof includes '\0' */ \
	694	if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \
	695	else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \
	696	int star = 4; /* position before first '' / \
	697	\
	698	/* Insert flags into spaces before '', from right to left. / \
	699	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \
	700	if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \
	701	if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \
	702	fmtstr[star] = '%'; \
	703	\
	704	if ( ! f.flags.pc ) { /* no precision */ \
	705	fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \
	706	/* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star]); */ \
	707	PrintWithDP2( os, &fmtstr[star], f.val, f.wd ) \
	708	} else { /* precision */ \
	709	fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \
	710	/* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \
	711	PrintWithDP2( os, &fmtstr[star], f.val, f.wd, f.pc ) \
	712	} /* if */ \
	713	return os; \
	714	} /* ?\|? */ \
[e3fea42]	715	\
[65240bb]	716	void ?\|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os \| f); ends( os ); } \
[3c573e9]	717	} // distribution
	718
	719	FloatingPointFMTImpl( double, "% * ", "% . " )
	720	FloatingPointFMTImpl( long double, "% L ", "% .*L " )
	721
[8d321f9]	722	// ********************************* character *********************************
[3c573e9]	723
	724	forall( dtype ostype \| ostream( ostype ) ) {
	725	ostype & ?\|?( ostype & os, _Ostream_Manip(char) f ) {
[4f37255]	726	if ( f.base != 'c' ) { // bespoke binary/octal/hex format
[3c573e9]	727	_Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} };
	728	fmtuc.flags.pc = f.flags.pc;
	729	fmtuc.flags.nobsdp = f.flags.nobsdp;
	730	// os \| fmtuc \| nonl;
	731	(ostype &)(os \| fmtuc);
	732	return os;
	733	} // if
	734
[d1a9ff5]	735	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3c573e9]	736
	737	#define CFMTNP "% * "
[4f37255]	738	char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0'
[3c573e9]	739	memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) );
[4f37255]	740	int star = 1; // position before first '*'
[3c573e9]	741
	742	// Insert flags into spaces before '*', from right to left.
	743	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	744	fmtstr[star] = '%';
	745
[4f37255]	746	fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0'
[3c573e9]	747	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	748	fmt( os, &fmtstr[star], f.wd, f.val );
	749	return os;
	750	} // ?\|?
[e3fea42]	751
[65240bb]	752	void ?\|?( ostype & os, _Ostream_Manip(char) f ) { (ostype &)(os \| f); ends( os ); }
[3c573e9]	753	} // distribution
	754
[8d321f9]	755	// ********************************* C string *********************************
[3c573e9]	756
	757	forall( dtype ostype \| ostream( ostype ) ) {
	758	ostype & ?\|?( ostype & os, _Ostream_Manip(const char *) f ) {
	759	if ( ! f.val ) return os; // null pointer ?
	760
	761	if ( f.base != 's' ) { // bespoke binary/octal/hex format
	762	_Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} };
	763	fmtuc.flags.pc = f.flags.pc;
	764	fmtuc.flags.nobsdp = f.flags.nobsdp;
	765	for ( unsigned int i = 0; f.val[i] != '\0'; i += 1 ) {
	766	fmtuc.val = f.val[i];
	767	// os \| fmtuc \| nonl;
	768	(ostype &)(os \| fmtuc);
	769	} // for
	770	return os;
	771	} // if
	772
[d1a9ff5]	773	if ( $sepPrt( os ) ) fmt( os, "%s", $sepGetCur( os ) );
[3c573e9]	774
	775	#define SFMTNP "% * "
	776	#define SFMTP "% . "
	777	char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0'
	778	if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) );
	779	else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) );
	780	int star = 1; // position before first '*'
	781
	782	// Insert flags into spaces before '*', from right to left.
	783	if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; }
	784	fmtstr[star] = '%';
	785
	786	if ( ! f.flags.pc ) { // no precision
	787	// printf( "%d %s\n", f.wd, &fmtstr[star] );
	788	fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0'
	789	fmt( os, &fmtstr[star], f.wd, f.val );
	790	} else { // precision
	791	fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0'
	792	// printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] );
	793	fmt( os, &fmtstr[star], f.wd, f.pc, f.val );
	794	} // if
	795	return os;
	796	} // ?\|?
[e3fea42]	797
[65240bb]	798	void ?\|?( ostype & os, _Ostream_Manip(const char *) f ) { (ostype &)(os \| f); ends( os ); }
[3c573e9]	799	} // distribution
	800
	801
[8d321f9]	802	// ********************************* istream *********************************
[3c573e9]	803
[e56cfdb0]	804
[3ce0d440]	805	forall( dtype istype \| istream( istype ) ) {
[93c2e0a]	806	istype & ?\|?( istype & is, bool & b ) {
[3ce0d440]	807	char val[6];
	808	fmt( is, "%5s", val );
	809	if ( strcmp( val, "true" ) == 0 ) b = true;
	810	else if ( strcmp( val, "false" ) == 0 ) b = false;
	811	else {
[93c2e0a]	812	fprintf( stderr, "invalid Boolean constant\n" );
[4f37255]	813	abort(); // cannot use abort stream
[3ce0d440]	814	} // if
	815	return is;
	816	} // ?\|?
	817
	818	istype & ?\|?( istype & is, char & c ) {
[0efb269]	819	char temp;
	820	for () {
[4f37255]	821	fmt( is, "%c", &temp ); // must pass pointer through varg to fmt
[0efb269]	822	// do not overwrite parameter with newline unless appropriate
	823	if ( temp != '\n' \|\| getANL( is ) ) { c = temp; break; }
	824	if ( eof( is ) ) break;
	825	} // for
[3ce0d440]	826	return is;
	827	} // ?\|?
	828
	829	istype & ?\|?( istype & is, signed char & sc ) {
[3c573e9]	830	fmt( is, "%hhi", &sc );
[3ce0d440]	831	return is;
	832	} // ?\|?
	833
	834	istype & ?\|?( istype & is, unsigned char & usc ) {
[3c573e9]	835	fmt( is, "%hhi", &usc );
[3ce0d440]	836	return is;
	837	} // ?\|?
	838
	839	istype & ?\|?( istype & is, short int & si ) {
[3c573e9]	840	fmt( is, "%hi", &si );
[3ce0d440]	841	return is;
	842	} // ?\|?
	843
	844	istype & ?\|?( istype & is, unsigned short int & usi ) {
[3c573e9]	845	fmt( is, "%hi", &usi );
[3ce0d440]	846	return is;
	847	} // ?\|?
	848
	849	istype & ?\|?( istype & is, int & i ) {
[3c573e9]	850	fmt( is, "%i", &i );
[3ce0d440]	851	return is;
	852	} // ?\|?
	853
	854	istype & ?\|?( istype & is, unsigned int & ui ) {
[3c573e9]	855	fmt( is, "%i", &ui );
[3ce0d440]	856	return is;
	857	} // ?\|?
	858
	859	istype & ?\|?( istype & is, long int & li ) {
[3c573e9]	860	fmt( is, "%li", &li );
[3ce0d440]	861	return is;
	862	} // ?\|?
	863
	864	istype & ?\|?( istype & is, unsigned long int & ulli ) {
[3c573e9]	865	fmt( is, "%li", &ulli );
[3ce0d440]	866	return is;
	867	} // ?\|?
	868
	869	istype & ?\|?( istype & is, long long int & lli ) {
[3c573e9]	870	fmt( is, "%lli", &lli );
[3ce0d440]	871	return is;
	872	} // ?\|?
	873
	874	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
[3c573e9]	875	fmt( is, "%lli", &ulli );
[3ce0d440]	876	return is;
	877	} // ?\|?
	878
	879
	880	istype & ?\|?( istype & is, float & f ) {
	881	fmt( is, "%f", &f );
	882	return is;
	883	} // ?\|?
	884
	885	istype & ?\|?( istype & is, double & d ) {
	886	fmt( is, "%lf", &d );
	887	return is;
	888	} // ?\|?
	889
	890	istype & ?\|?( istype & is, long double & ld ) {
	891	fmt( is, "%Lf", &ld );
	892	return is;
	893	} // ?\|?
	894
	895
	896	istype & ?\|?( istype & is, float _Complex & fc ) {
	897	float re, im;
[3c573e9]	898	fmt( is, "%f%fi", &re, &im );
[3ce0d440]	899	fc = re + im * _Complex_I;
	900	return is;
	901	} // ?\|?
	902
	903	istype & ?\|?( istype & is, double _Complex & dc ) {
	904	double re, im;
	905	fmt( is, "%lf%lfi", &re, &im );
	906	dc = re + im * _Complex_I;
	907	return is;
	908	} // ?\|?
	909
	910	istype & ?\|?( istype & is, long double _Complex & ldc ) {
	911	long double re, im;
	912	fmt( is, "%Lf%Lfi", &re, &im );
	913	ldc = re + im * _Complex_I;
	914	return is;
	915	} // ?\|?
	916
[e3fea42]	917	// istype & ?\|?( istype & is, const char fmt[] ) {
[dc5072f]	918	// fmt( is, fmt, "" );
	919	// return is;
	920	// } // ?\|?
[04396aa]	921
	922	istype & ?\|?( istype & is, char * s ) {
	923	fmt( is, "%s", s );
	924	return is;
	925	} // ?\|?
	926
[3ce0d440]	927	// manipulators
	928	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	929	return manip( is );
	930	} // ?\|?
	931
[200fcb3]	932	istype & nl( istype & is ) {
[3c5dee4]	933	fmt( is, "%*[^\n]" ); // ignore characters to newline
[3ce0d440]	934	return is;
[200fcb3]	935	} // nl
[0efb269]	936
	937	istype & nlOn( istype & is ) {
	938	nlOn( is ); // call void returning
	939	return is;
	940	} // nlOn
	941
	942	istype & nlOff( istype & is ) {
	943	nlOff( is ); // call void returning
	944	return is;
	945	} // nlOff
[3ce0d440]	946	} // distribution
[44574f2]	947
[8d321f9]	948	// ********************************* manipulators *********************************
[3c573e9]	949
	950	forall( dtype istype \| istream( istype ) )
[61c7239]	951	istype & ?\|?( istype & is, _Istream_Cstr f ) {
	952	// skip xxx
	953	if ( ! f.s ) {
[dc5072f]	954	// printf( "skip %s %d\n", f.scanset, f.wd );
[4f37255]	955	if ( f.wd == -1 ) fmt( is, f.scanset, "" ); // no input arguments
[dc5072f]	956	else for ( f.wd ) fmt( is, "%*c" );
[61c7239]	957	return is;
	958	} // if
	959	size_t len = 0;
	960	if ( f.scanset ) len = strlen( f.scanset );
	961	char fmtstr[len + 16];
	962	int start = 1;
	963	fmtstr[0] = '%';
	964	if ( f.flags.ignore ) { fmtstr[1] = '*'; start += 1; }
	965	if ( f.wd != -1 ) { start += sprintf( &fmtstr[start], "%d", f.wd ); }
	966	// cstr %s, %s, %ws, %ws
	967	if ( ! f.scanset ) {
	968	fmtstr[start] = 's'; fmtstr[start + 1] = '\0';
	969	// printf( "cstr %s\n", fmtstr );
	970	fmt( is, fmtstr, f.s );
	971	return is;
	972	} // if
	973	// incl %[xxx], %[xxx], %w[xxx], %w[xxx]
	974	// excl %[^xxx], %[^xxx], %w[^xxx], %w[^xxx]
	975	fmtstr[start] = '['; start += 1;
	976	if ( f.flags.inex ) { fmtstr[start] = '^'; start += 1; }
	977	strcpy( &fmtstr[start], f.scanset ); // copy includes '\0'
	978	len += start;
	979	fmtstr[len] = ']'; fmtstr[len + 1] = '\0';
	980	// printf( "incl/excl %s\n", fmtstr );
	981	fmt( is, fmtstr, f.s );
[3c573e9]	982	return is;
[61c7239]	983	} // ?\|?
[3c573e9]	984
[86a8be5]	985	forall( dtype istype \| istream( istype ) )
	986	istype & ?\|?( istype & is, _Istream_Char f ) {
	987	fmt( is, "%*c" ); // argument variable unused
	988	return is;
	989	} // ?\|?
	990
[3c573e9]	991	#define InputFMTImpl( T, CODE ) \
	992	forall( dtype istype \| istream( istype ) ) \
	993	istype & ?\|?( istype & is, _Istream_Manip(T) f ) { \
	994	enum { size = 16 }; \
	995	char fmtstr[size]; \
[86a8be5]	996	if ( f.wd == -1 ) { \
[3c573e9]	997	snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \
	998	} else { \
	999	snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \
	1000	} /* if */ \
	1001	/* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \
	1002	fmt( is, fmtstr, &f.val ); \
	1003	return is; \
[61c7239]	1004	} // ?\|?
[3c573e9]	1005
	1006	InputFMTImpl( signed char, "hhi" )
	1007	InputFMTImpl( unsigned char, "hhi" )
	1008	InputFMTImpl( signed short int, "hi" )
	1009	InputFMTImpl( unsigned short int, "hi" )
	1010	InputFMTImpl( signed int, "i" )
	1011	InputFMTImpl( unsigned int, "i" )
	1012	InputFMTImpl( signed long int, "li" )
	1013	InputFMTImpl( unsigned long int, "li" )
	1014	InputFMTImpl( signed long long int, "lli" )
	1015	InputFMTImpl( unsigned long long int, "lli" )
	1016
	1017	InputFMTImpl( float, "f" )
	1018	InputFMTImpl( double, "lf" )
	1019	InputFMTImpl( long double, "Lf" )
	1020
[61c7239]	1021	forall( dtype istype \| istream( istype ) )
	1022	istype & ?\|?( istype & is, _Istream_Manip(float _Complex) fc ) {
	1023	float re, im;
	1024	_Istream_Manip(float) fmtuc @= { re, fc.wd, fc.ignore };
	1025	is \| fmtuc;
	1026	&fmtuc.val = &im;
	1027	is \| fmtuc;
	1028	if ( ! fc.ignore ) fc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1029	return is;
	1030	} // ?\|?
	1031
	1032	forall( dtype istype \| istream( istype ) )
	1033	istype & ?\|?( istype & is, _Istream_Manip(double _Complex) dc ) {
	1034	double re, im;
	1035	_Istream_Manip(double) fmtuc @= { re, dc.wd, dc.ignore };
	1036	is \| fmtuc;
	1037	&fmtuc.val = &im;
	1038	is \| fmtuc;
	1039	if ( ! dc.ignore ) dc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1040	return is;
	1041	} // ?\|?
	1042
	1043	forall( dtype istype \| istream( istype ) )
	1044	istype & ?\|?( istype & is, _Istream_Manip(long double _Complex) ldc ) {
	1045	long double re, im;
	1046	_Istream_Manip(long double) fmtuc @= { re, ldc.wd, ldc.ignore };
	1047	is \| fmtuc;
	1048	&fmtuc.val = &im;
	1049	is \| fmtuc;
	1050	if ( ! ldc.ignore ) ldc.val = re + im * _Complex_I; // re/im are uninitialized for ignore
	1051	return is;
	1052	} // ?\|?
[3c573e9]	1053
[86bd7c1f]	1054	// Local Variables: //
	1055	// tab-width: 4 //
[084520f]	1056	// compile-command: "cfa iostream.cfa" //
[86bd7c1f]	1057	// End: //

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