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iostream.cfa @ 7a8f5246

ADTarm-ehast-experimentalcleanup-dtorsenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum

Last change on this file since 7a8f5246 was 17a1b21, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
add printing and testing for zero_t and one_t
Property mode set to `100644`
File size: 14.6 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	//
[a5a71d0]	7	// iostream.c --
[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
[17a1b21]	12	// Last Modified On : Mon Mar 4 20:57:24 2019
	13	// Update Count : 593
[86bd7c1f]	14	//
[51b7345]	15
[58b6d1b]	16	#include "iostream.hfa"
[d3b7937]	17
[51b7345]	18	extern "C" {
	19	#include <stdio.h>
[53a6c2a]	20	#include <stdbool.h> // true/false
[200fcb3]	21	//#include <string.h> // strlen, strcmp
[44574f2]	22	extern int strcmp (const char __s1, const char __s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
	23	extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
[52f85e0]	24	#include <float.h> // DBL_DIG, LDBL_DIG
[d3b7937]	25	#include <complex.h> // creal, cimag
[51b7345]	26	}
	27
[3ce0d440]	28	forall( dtype ostype \| ostream( ostype ) ) {
[17a1b21]	29	ostype & ?\|?( ostype & os, zero_t ) {
	30	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	31	fmt( os, "%d", 0n );
	32	return os;
	33	} // ?\|?
	34	void ?\|?( ostype & os, zero_t z ) {
	35	(ostype &)(os \| z); nl( os );
	36	} // ?\|?
	37
	38	ostype & ?\|?( ostype & os, one_t ) {
	39	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	40	fmt( os, "%d", 1n );
	41	return os;
	42	} // ?\|?
	43	void ?\|?( ostype & os, one_t o ) {
	44	(ostype &)(os \| o); nl( os );
	45	} // ?\|?
	46
[93c2e0a]	47	ostype & ?\|?( ostype & os, bool b ) {
[3ce0d440]	48	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	49	fmt( os, "%s", b ? "true" : "false" );
	50	return os;
	51	} // ?\|?
[200fcb3]	52	void ?\|?( ostype & os, bool b ) {
[9d362a0]	53	(ostype &)(os \| b); nl( os );
[200fcb3]	54	} // ?\|?
[51b7345]	55
[200fcb3]	56	ostype & ?\|?( ostype & os, char c ) {
	57	fmt( os, "%c", c );
	58	if ( c == '\n' ) setNL( os, true );
	59	return sepOff( os );
	60	} // ?\|?
	61	void ?\|?( ostype & os, char c ) {
[9d362a0]	62	(ostype &)(os \| c); nl( os );
[3ce0d440]	63	} // ?\|?
	64
[200fcb3]	65	ostype & ?\|?( ostype & os, signed char sc ) {
[3ce0d440]	66	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[200fcb3]	67	fmt( os, "%hhd", sc );
[3ce0d440]	68	return os;
	69	} // ?\|?
[200fcb3]	70	void ?\|?( ostype & os, signed char sc ) {
[9d362a0]	71	(ostype &)(os \| sc); nl( os );
[200fcb3]	72	} // ?\|?
[3ce0d440]	73
[200fcb3]	74	ostype & ?\|?( ostype & os, unsigned char usc ) {
[3ce0d440]	75	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
[200fcb3]	76	fmt( os, "%hhu", usc );
[3ce0d440]	77	return os;
	78	} // ?\|?
[200fcb3]	79	void ?\|?( ostype & os, unsigned char usc ) {
[9d362a0]	80	(ostype &)(os \| usc); nl( os );
[200fcb3]	81	} // ?\|?
[3ce0d440]	82
	83	ostype & ?\|?( ostype & os, short int si ) {
	84	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	85	fmt( os, "%hd", si );
	86	return os;
	87	} // ?\|?
[200fcb3]	88	void & ?\|?( ostype & os, short int si ) {
[9d362a0]	89	(ostype &)(os \| si); nl( os );
[200fcb3]	90	} // ?\|?
[3ce0d440]	91
	92	ostype & ?\|?( ostype & os, unsigned short int usi ) {
	93	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	94	fmt( os, "%hu", usi );
	95	return os;
	96	} // ?\|?
[200fcb3]	97	void & ?\|?( ostype & os, unsigned short int usi ) {
[9d362a0]	98	(ostype &)(os \| usi); nl( os );
[200fcb3]	99	} // ?\|?
[3ce0d440]	100
	101	ostype & ?\|?( ostype & os, int i ) {
	102	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	103	fmt( os, "%d", i );
	104	return os;
	105	} // ?\|?
[200fcb3]	106	void & ?\|?( ostype & os, int i ) {
[9d362a0]	107	(ostype &)(os \| i); nl( os );
[200fcb3]	108	} // ?\|?
[3ce0d440]	109
	110	ostype & ?\|?( ostype & os, unsigned int ui ) {
	111	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	112	fmt( os, "%u", ui );
	113	return os;
	114	} // ?\|?
[200fcb3]	115	void & ?\|?( ostype & os, unsigned int ui ) {
[9d362a0]	116	(ostype &)(os \| ui); nl( os );
[200fcb3]	117	} // ?\|?
[3ce0d440]	118
	119	ostype & ?\|?( ostype & os, long int li ) {
	120	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	121	fmt( os, "%ld", li );
	122	return os;
	123	} // ?\|?
[200fcb3]	124	void & ?\|?( ostype & os, long int li ) {
[9d362a0]	125	(ostype &)(os \| li); nl( os );
[200fcb3]	126	} // ?\|?
[3ce0d440]	127
	128	ostype & ?\|?( ostype & os, unsigned long int uli ) {
	129	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	130	fmt( os, "%lu", uli );
	131	return os;
	132	} // ?\|?
[200fcb3]	133	void & ?\|?( ostype & os, unsigned long int uli ) {
[9d362a0]	134	(ostype &)(os \| uli); nl( os );
[200fcb3]	135	} // ?\|?
[3ce0d440]	136
	137	ostype & ?\|?( ostype & os, long long int lli ) {
	138	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	139	fmt( os, "%lld", lli );
	140	return os;
	141	} // ?\|?
[200fcb3]	142	void & ?\|?( ostype & os, long long int lli ) {
[9d362a0]	143	(ostype &)(os \| lli); nl( os );
[200fcb3]	144	} // ?\|?
[3ce0d440]	145
	146	ostype & ?\|?( ostype & os, unsigned long long int ulli ) {
	147	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	148	fmt( os, "%llu", ulli );
	149	return os;
	150	} // ?\|?
[200fcb3]	151	void & ?\|?( ostype & os, unsigned long long int ulli ) {
[9d362a0]	152	(ostype &)(os \| ulli); nl( os );
[200fcb3]	153	} // ?\|?
[3ce0d440]	154
	155	ostype & ?\|?( ostype & os, float f ) {
	156	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	157	fmt( os, "%g", f );
	158	return os;
	159	} // ?\|?
[200fcb3]	160	void & ?\|?( ostype & os, float f ) {
[9d362a0]	161	(ostype &)(os \| f); nl( os );
[200fcb3]	162	} // ?\|?
[3ce0d440]	163
	164	ostype & ?\|?( ostype & os, double d ) {
	165	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	166	fmt( os, "%.*lg", DBL_DIG, d );
	167	return os;
	168	} // ?\|?
[200fcb3]	169	void & ?\|?( ostype & os, double d ) {
[9d362a0]	170	(ostype &)(os \| d); nl( os );
[200fcb3]	171	} // ?\|?
[3ce0d440]	172
	173	ostype & ?\|?( ostype & os, long double ld ) {
	174	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	175	fmt( os, "%.*Lg", LDBL_DIG, ld );
	176	return os;
	177	} // ?\|?
[200fcb3]	178	void & ?\|?( ostype & os, long double ld ) {
[9d362a0]	179	(ostype &)(os \| ld); nl( os );
[200fcb3]	180	} // ?\|?
[3ce0d440]	181
	182	ostype & ?\|?( ostype & os, float _Complex fc ) {
	183	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	184	fmt( os, "%g%+gi", crealf( fc ), cimagf( fc ) );
	185	return os;
	186	} // ?\|?
[200fcb3]	187	void & ?\|?( ostype & os, float _Complex fc ) {
[9d362a0]	188	(ostype &)(os \| fc); nl( os );
[200fcb3]	189	} // ?\|?
[3ce0d440]	190
	191	ostype & ?\|?( ostype & os, double _Complex dc ) {
	192	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	193	fmt( os, "%.lg%+.lgi", DBL_DIG, creal( dc ), DBL_DIG, cimag( dc ) );
	194	return os;
	195	} // ?\|?
[200fcb3]	196	void & ?\|?( ostype & os, double _Complex dc ) {
[9d362a0]	197	(ostype &)(os \| dc); nl( os );
[200fcb3]	198	} // ?\|?
[3ce0d440]	199
	200	ostype & ?\|?( ostype & os, long double _Complex ldc ) {
	201	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	202	fmt( os, "%.Lg%+.Lgi", LDBL_DIG, creall( ldc ), LDBL_DIG, cimagl( ldc ) );
	203	return os;
	204	} // ?\|?
[200fcb3]	205	void & ?\|?( ostype & os, long double _Complex ldc ) {
[9d362a0]	206	(ostype &)(os \| ldc); nl( os );
[200fcb3]	207	} // ?\|?
[3ce0d440]	208
	209	ostype & ?\|?( ostype & os, const char * str ) {
	210	enum { Open = 1, Close, OpenClose };
	211	static const unsigned char mask[256] @= {
	212	// opening delimiters, no space after
	213	['('] : Open, ['['] : Open, ['{'] : Open,
[ad72c8b]	214	['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
	215	[(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
[3ce0d440]	216	// closing delimiters, no space before
	217	[','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
[ad72c8b]	218	['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
[3ce0d440]	219	[')'] : Close, [']'] : Close, ['}'] : Close,
	220	// opening-closing delimiters, no space before or after
	221	['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
	222	[' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
	223	}; // mask
	224
	225	if ( str[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator
	226
	227	// first character IS NOT spacing or closing punctuation => add left separator
	228	unsigned char ch = str[0]; // must make unsigned
	229	if ( sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
	230	fmt( os, "%s", sepGetCur( os ) );
	231	} // if
	232
	233	// if string starts line, must reset to determine open state because separator is off
	234	sepReset( os ); // reset separator
	235
	236	// last character IS spacing or opening punctuation => turn off separator for next item
	237	size_t len = strlen( str );
	238	ch = str[len - 1]; // must make unsigned
	239	if ( sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
	240	sepOn( os );
	241	} else {
	242	sepOff( os );
	243	} // if
	244	if ( ch == '\n' ) setNL( os, true ); // check AFTER sepPrt call above as it resets NL flag
	245	return write( os, str, len );
	246	} // ?\|?
[200fcb3]	247	void ?\|?( ostype & os, const char * str ) {
[9d362a0]	248	(ostype &)(os \| str); nl( os );
[200fcb3]	249	} // ?\|?
[3ce0d440]	250
	251	// ostype & ?\|?( ostype & os, const char16_t * str ) {
	252	// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	253	// fmt( os, "%ls", str );
	254	// return os;
	255	// } // ?\|?
[d3b7937]	256
[3ce0d440]	257	// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
	258	// ostype & ?\|?( ostype & os, const char32_t * str ) {
	259	// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	260	// fmt( os, "%ls", str );
	261	// return os;
	262	// } // ?\|?
	263	// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )
[d3b7937]	264
[3ce0d440]	265	// ostype & ?\|?( ostype & os, const wchar_t * str ) {
	266	// if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	267	// fmt( os, "%ls", str );
	268	// return os;
	269	// } // ?\|?
	270
	271	ostype & ?\|?( ostype & os, const void * p ) {
	272	if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
	273	fmt( os, "%p", p );
	274	return os;
	275	} // ?\|?
[200fcb3]	276	void ?\|?( ostype & os, const void * p ) {
[9d362a0]	277	(ostype &)(os \| p); nl( os );
[200fcb3]	278	} // ?\|?
[3ce0d440]	279
	280	// manipulators
	281	ostype & ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[9d362a0]	282	(ostype &)(manip( os ));
[200fcb3]	283	return os;
	284	} // ?\|?
	285	void ?\|?( ostype & os, ostype & (* manip)( ostype & ) ) {
[9d362a0]	286	(ostype &)(manip( os ));
	287	if ( getPrt( os ) ) nl( os ); // something printed ?
[5ea5b28]	288	setPrt( os, false ); // turn off
[3ce0d440]	289	} // ?\|?
	290
	291	ostype & sep( ostype & os ) {
[9d362a0]	292	return (ostype &)(os \| sepGet( os ));
[3ce0d440]	293	} // sep
	294
	295	ostype & sepTuple( ostype & os ) {
[200fcb3]	296	return os \| sepGetTuple( os );
[3ce0d440]	297	} // sepTuple
	298
[200fcb3]	299	ostype & nl( ostype & os ) {
[9d362a0]	300	(ostype &)(os \| '\n');
[5ea5b28]	301	setPrt( os, false ); // turn off
[3ce0d440]	302	setNL( os, true );
	303	flush( os );
[200fcb3]	304	return sepOff( os ); // prepare for next line
	305	} // nl
	306
[9d362a0]	307	void nl( ostype & os ) {
	308	if ( getANL( os ) ) (ostype &)(nl( os )); // implementation only
	309	else setPrt( os, false ); // turn off
	310	} // nl
	311
[200fcb3]	312	ostype & nonl( ostype & os ) {
[5ea5b28]	313	setPrt( os, false ); // turn off
[3ce0d440]	314	return os;
[200fcb3]	315	} // nonl
[3ce0d440]	316
	317	ostype & sepOn( ostype & os ) {
[200fcb3]	318	sepOn( os ); // call void returning
[3ce0d440]	319	return os;
	320	} // sepOn
	321
	322	ostype & sepOff( ostype & os ) {
[200fcb3]	323	sepOff( os ); // call void returning
[3ce0d440]	324	return os;
	325	} // sepOff
[6de9f4a]	326
[3ce0d440]	327	ostype & sepEnable( ostype & os ) {
[200fcb3]	328	sepEnable( os ); // call void returning
[3ce0d440]	329	return os;
	330	} // sepEnable
[b6dc097]	331
[3ce0d440]	332	ostype & sepDisable( ostype & os ) {
[200fcb3]	333	sepDisable( os ); // call void returning
[3ce0d440]	334	return os;
	335	} // sepDisable
[cf16f94]	336
[200fcb3]	337	ostype & nlOn( ostype & os ) {
	338	nlOn( os ); // call void returning
	339	return os;
	340	} // nlOn
	341
	342	ostype & nlOff( ostype & os ) {
	343	nlOff( os ); // call void returning
	344	return os;
	345	} // nlOff
	346	} // distribution
[cf16f94]	347
[c443d1d]	348	// tuples
[200fcb3]	349	forall( dtype ostype, otype T, ttype Params \| writeable( T, ostype ) \| { ostype & ?\|?( ostype &, Params ); } ) {
	350	ostype & ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	351	(ostype &)(os \| arg); // print first argument
[200fcb3]	352	sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	353	(ostype &)(os \| rest); // print remaining arguments
[200fcb3]	354	sepSetCur( os, sepGet( os ) ); // switch to regular separator
	355	return os;
	356	} // ?\|?
	357	void ?\|?( ostype & os, T arg, Params rest ) {
[9d362a0]	358	// (ostype &)(?\|?( os, arg, rest )); nl( os );
	359	(ostype &)(os \| arg); // print first argument
[200fcb3]	360	sepSetCur( os, sepGetTuple( os ) ); // switch to tuple separator
[9d362a0]	361	(ostype &)(os \| rest); // print remaining arguments
[200fcb3]	362	sepSetCur( os, sepGet( os ) ); // switch to regular separator
[9d362a0]	363	nl( os );
[200fcb3]	364	} // ?\|?
	365	} // distribution
[c443d1d]	366
[6ba0659]	367	//---------------------------------------
	368
[3ce0d440]	369	// writes the range [begin, end) to the given stream
[200fcb3]	370	forall( dtype ostype, otype elt_type \| writeable( elt_type, ostype ), otype iterator_type \| iterator( iterator_type, elt_type ) ) {
	371	void write( iterator_type begin, iterator_type end, ostype & os ) {
	372	void print( elt_type i ) { os \| i; }
	373	for_each( begin, end, print );
	374	} // ?\|?
	375
	376	void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
	377	void print( elt_type i ) { os \| i; }
	378	for_each_reverse( begin, end, print );
	379	} // ?\|?
	380	} // distribution
[e56cfdb0]	381
[6ba0659]	382	//---------------------------------------
[e56cfdb0]	383
[3ce0d440]	384	forall( dtype istype \| istream( istype ) ) {
[93c2e0a]	385	istype & ?\|?( istype & is, bool & b ) {
[3ce0d440]	386	char val[6];
	387	fmt( is, "%5s", val );
	388	if ( strcmp( val, "true" ) == 0 ) b = true;
	389	else if ( strcmp( val, "false" ) == 0 ) b = false;
	390	else {
[93c2e0a]	391	fprintf( stderr, "invalid Boolean constant\n" );
[3ce0d440]	392	abort();
	393	} // if
	394	return is;
	395	} // ?\|?
	396
	397	istype & ?\|?( istype & is, char & c ) {
	398	fmt( is, "%c", &c ); // must pass pointer through varg to fmt
	399	return is;
	400	} // ?\|?
	401
	402	istype & ?\|?( istype & is, signed char & sc ) {
	403	fmt( is, "%hhd", &sc );
	404	return is;
	405	} // ?\|?
	406
	407	istype & ?\|?( istype & is, unsigned char & usc ) {
	408	fmt( is, "%hhu", &usc );
	409	return is;
	410	} // ?\|?
	411
	412	istype & ?\|?( istype & is, short int & si ) {
	413	fmt( is, "%hd", &si );
	414	return is;
	415	} // ?\|?
	416
	417	istype & ?\|?( istype & is, unsigned short int & usi ) {
	418	fmt( is, "%hu", &usi );
	419	return is;
	420	} // ?\|?
	421
	422	istype & ?\|?( istype & is, int & i ) {
	423	fmt( is, "%d", &i );
	424	return is;
	425	} // ?\|?
	426
	427	istype & ?\|?( istype & is, unsigned int & ui ) {
	428	fmt( is, "%u", &ui );
	429	return is;
	430	} // ?\|?
	431
	432	istype & ?\|?( istype & is, long int & li ) {
	433	fmt( is, "%ld", &li );
	434	return is;
	435	} // ?\|?
	436
	437	istype & ?\|?( istype & is, unsigned long int & ulli ) {
	438	fmt( is, "%lu", &ulli );
	439	return is;
	440	} // ?\|?
	441
	442	istype & ?\|?( istype & is, long long int & lli ) {
	443	fmt( is, "%lld", &lli );
	444	return is;
	445	} // ?\|?
	446
	447	istype & ?\|?( istype & is, unsigned long long int & ulli ) {
	448	fmt( is, "%llu", &ulli );
	449	return is;
	450	} // ?\|?
	451
	452
	453	istype & ?\|?( istype & is, float & f ) {
	454	fmt( is, "%f", &f );
	455	return is;
	456	} // ?\|?
	457
	458	istype & ?\|?( istype & is, double & d ) {
	459	fmt( is, "%lf", &d );
	460	return is;
	461	} // ?\|?
	462
	463	istype & ?\|?( istype & is, long double & ld ) {
	464	fmt( is, "%Lf", &ld );
	465	return is;
	466	} // ?\|?
	467
	468
	469	istype & ?\|?( istype & is, float _Complex & fc ) {
	470	float re, im;
	471	fmt( is, "%g%gi", &re, &im );
	472	fc = re + im * _Complex_I;
	473	return is;
	474	} // ?\|?
	475
	476	istype & ?\|?( istype & is, double _Complex & dc ) {
	477	double re, im;
	478	fmt( is, "%lf%lfi", &re, &im );
	479	dc = re + im * _Complex_I;
	480	return is;
	481	} // ?\|?
	482
	483	istype & ?\|?( istype & is, long double _Complex & ldc ) {
	484	long double re, im;
	485	fmt( is, "%Lf%Lfi", &re, &im );
	486	ldc = re + im * _Complex_I;
	487	return is;
	488	} // ?\|?
	489
	490
	491	// manipulators
	492	istype & ?\|?( istype & is, istype & (* manip)( istype & ) ) {
	493	return manip( is );
	494	} // ?\|?
	495
[200fcb3]	496	istype & nl( istype & is ) {
[3ce0d440]	497	fmt( is, "%*[ \t\f\n\r\v]" ); // ignore whitespace
	498	return is;
[200fcb3]	499	} // nl
[3ce0d440]	500	} // distribution
[44574f2]	501
[e24f13a]	502	_Istream_cstrUC cstr( char * str ) { return (_Istream_cstrUC){ str }; }
[90c3b1c]	503	forall( dtype istype \| istream( istype ) )
[09687aa]	504	istype & ?\|?( istype & is, _Istream_cstrUC cstr ) {
[829c907]	505	fmt( is, "%s", cstr.s );
[90c3b1c]	506	return is;
[53ba273]	507	} // cstr
[90c3b1c]	508
[e24f13a]	509	_Istream_cstrC cstr( char * str, int size ) { return (_Istream_cstrC){ str, size }; }
[90c3b1c]	510	forall( dtype istype \| istream( istype ) )
[09687aa]	511	istype & ?\|?( istype & is, _Istream_cstrC cstr ) {
[90c3b1c]	512	char buf[16];
[53ba273]	513	sprintf( buf, "%%%ds", cstr.size );
[829c907]	514	fmt( is, buf, cstr.s );
[90c3b1c]	515	return is;
[53ba273]	516	} // cstr
[90c3b1c]	517
[86bd7c1f]	518	// Local Variables: //
	519	// tab-width: 4 //
[084520f]	520	// compile-command: "cfa iostream.cfa" //
[86bd7c1f]	521	// End: //

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