source: libcfa/src/iostream.cfa @ e782290

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// iostream.c --
//
// Author           : Peter A. Buhr
// Created On       : Wed May 27 17:56:53 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Mon Dec 24 18:33:40 2018
// Update Count     : 589
//

#include "iostream.hfa"

extern "C" {
#include <stdio.h>
#include <stdbool.h>                                                                    // true/false
//#include <string.h>                                                                   // strlen, strcmp
extern int strcmp (const char *__s1, const char *__s2) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
#include <float.h>                                                                              // DBL_DIG, LDBL_DIG
#include <complex.h>                                                                    // creal, cimag
}

forall( dtype ostype | ostream( ostype ) ) {
        ostype & ?|?( ostype & os, bool b ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%s", b ? "true" : "false" );
                return os;
        } // ?|?
        void ?|?( ostype & os, bool b ) {
                (ostype &)(os | b); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, char c ) {
                fmt( os, "%c", c );
                if ( c == '\n' ) setNL( os, true );
                return sepOff( os );
        } // ?|?
        void ?|?( ostype & os, char c ) {
                (ostype &)(os | c); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, signed char sc ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%hhd", sc );
                return os;
        } // ?|?
        void ?|?( ostype & os, signed char sc ) {
                (ostype &)(os | sc); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, unsigned char usc ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%hhu", usc );
                return os;
        } // ?|?
        void ?|?( ostype & os, unsigned char usc ) {
                (ostype &)(os | usc); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, short int si ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%hd", si );
                return os;
        } // ?|?
        void & ?|?( ostype & os, short int si ) {
                (ostype &)(os | si); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, unsigned short int usi ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%hu", usi );
                return os;
        } // ?|?
        void & ?|?( ostype & os, unsigned short int usi ) {
                (ostype &)(os | usi); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, int i ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%d", i );
                return os;
        } // ?|?
        void & ?|?( ostype & os, int i ) {
                (ostype &)(os | i); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, unsigned int ui ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%u", ui );
                return os;
        } // ?|?
        void & ?|?( ostype & os, unsigned int ui ) {
                (ostype &)(os | ui); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, long int li ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%ld", li );
                return os;
        } // ?|?
        void & ?|?( ostype & os, long int li ) {
                (ostype &)(os | li); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, unsigned long int uli ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%lu", uli );
                return os;
        } // ?|?
        void & ?|?( ostype & os, unsigned long int uli ) {
                (ostype &)(os | uli); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, long long int lli ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%lld", lli );
                return os;
        } // ?|?
        void & ?|?( ostype & os, long long int lli ) {
                (ostype &)(os | lli); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, unsigned long long int ulli ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%llu", ulli );
                return os;
        } // ?|?
        void & ?|?( ostype & os, unsigned long long int ulli ) {
                (ostype &)(os | ulli); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, float f ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%g", f );
                return os;
        } // ?|?
        void & ?|?( ostype & os, float f ) {
                (ostype &)(os | f); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, double d ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%.*lg", DBL_DIG, d );
                return os;
        } // ?|?
        void & ?|?( ostype & os, double d ) {
                (ostype &)(os | d); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, long double ld ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%.*Lg", LDBL_DIG, ld );
                return os;
        } // ?|?
        void & ?|?( ostype & os, long double ld ) {
                (ostype &)(os | ld); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, float _Complex fc ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%g%+gi", crealf( fc ), cimagf( fc ) );
                return os;
        } // ?|?
        void & ?|?( ostype & os, float _Complex fc ) {
                (ostype &)(os | fc); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, double _Complex dc ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%.*lg%+.*lgi", DBL_DIG, creal( dc ), DBL_DIG, cimag( dc ) );
                return os;
        } // ?|?
        void & ?|?( ostype & os, double _Complex dc ) {
                (ostype &)(os | dc); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, long double _Complex ldc ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%.*Lg%+.*Lgi", LDBL_DIG, creall( ldc ), LDBL_DIG, cimagl( ldc ) );
                return os;
        } // ?|?
        void & ?|?( ostype & os, long double _Complex ldc ) {
                (ostype &)(os | ldc); nl( os );
        } // ?|?

        ostype & ?|?( ostype & os, const char * str ) {
                enum { Open = 1, Close, OpenClose };
                static const unsigned char mask[256] @= {
                        // opening delimiters, no space after
                        ['('] : Open, ['['] : Open, ['{'] : Open,
                        ['='] : Open, ['$'] : Open, [(unsigned char)'£'] : Open, [(unsigned char)'¥'] : Open,
                        [(unsigned char)'¡'] : Open, [(unsigned char)'¿'] : Open, [(unsigned char)'«'] : Open,
                        // closing delimiters, no space before
                        [','] : Close, ['.'] : Close, [';'] : Close, ['!'] : Close, ['?'] : Close,
                        ['%'] : Close, [(unsigned char)'¢'] : Close, [(unsigned char)'»'] : Close,
                        [')'] : Close, [']'] : Close, ['}'] : Close,
                        // opening-closing delimiters, no space before or after
                        ['\''] : OpenClose, ['`'] : OpenClose, ['"'] : OpenClose, [':'] : OpenClose,
                        [' '] : OpenClose, ['\f'] : OpenClose, ['\n'] : OpenClose, ['\r'] : OpenClose, ['\t'] : OpenClose, ['\v'] : OpenClose, // isspace
                }; // mask

          if ( str[0] == '\0' ) { sepOff( os ); return os; } // null string => no separator

                // first character IS NOT spacing or closing punctuation => add left separator
                unsigned char ch = str[0];                                              // must make unsigned
                if ( sepPrt( os ) && mask[ ch ] != Close && mask[ ch ] != OpenClose ) {
                        fmt( os, "%s", sepGetCur( os ) );
                } // if

                // if string starts line, must reset to determine open state because separator is off
                sepReset( os );                                                                 // reset separator

                // last character IS spacing or opening punctuation => turn off separator for next item
                size_t len = strlen( str );
                ch = str[len - 1];                                                              // must make unsigned
                if ( sepPrt( os ) && mask[ ch ] != Open && mask[ ch ] != OpenClose ) {
                        sepOn( os );
                } else {
                        sepOff( os );
                } // if
                if ( ch == '\n' ) setNL( os, true );                    // check *AFTER* sepPrt call above as it resets NL flag
                return write( os, str, len );
        } // ?|?
        void ?|?( ostype & os, const char * str ) {
                (ostype &)(os | str); nl( os );
        } // ?|?

//      ostype & ?|?( ostype & os, const char16_t * str ) {
//              if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
//              fmt( os, "%ls", str );
//              return os;
//      } // ?|?

// #if ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 ) // char32_t == wchar_t => ambiguous
//      ostype & ?|?( ostype & os, const char32_t * str ) {
//              if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
//              fmt( os, "%ls", str );
//              return os;
//      } // ?|?
// #endif // ! ( __ARM_ARCH_ISA_ARM == 1 && __ARM_32BIT_STATE == 1 )

//      ostype & ?|?( ostype & os, const wchar_t * str ) {
//              if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
//              fmt( os, "%ls", str );
//              return os;
//      } // ?|?

        ostype & ?|?( ostype & os, const void * p ) {
                if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) );
                fmt( os, "%p", p );
                return os;
        } // ?|?
        void ?|?( ostype & os, const void * p ) {
                (ostype &)(os | p); nl( os );
        } // ?|?

        // manipulators
        ostype & ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
                (ostype &)(manip( os ));
                return os;
        } // ?|?
        void ?|?( ostype & os, ostype & (* manip)( ostype & ) ) {
                (ostype &)(manip( os ));
                if ( getPrt( os ) ) nl( os );                                   // something printed ?
                setPrt( os, false );                                                    // turn off
        } // ?|?

        ostype & sep( ostype & os ) {
                return (ostype &)(os | sepGet( os ));
        } // sep

        ostype & sepTuple( ostype & os ) {
                return os | sepGetTuple( os );
        } // sepTuple

        ostype & nl( ostype & os ) {
                (ostype &)(os | '\n');
                setPrt( os, false );                                                    // turn off
                setNL( os, true );
                flush( os );
                return sepOff( os );                                                    // prepare for next line
        } // nl

        void nl( ostype & os ) {
                if ( getANL( os ) ) (ostype &)(nl( os ));               // implementation only
                else setPrt( os, false );                                               // turn off
        } // nl

        ostype & nonl( ostype & os ) {
                setPrt( os, false );                                                    // turn off
                return os;
        } // nonl

        ostype & sepOn( ostype & os ) {
                sepOn( os );                                                                    // call void returning
                return os;
        } // sepOn

        ostype & sepOff( ostype & os ) {
                sepOff( os );                                                                   // call void returning
                return os;
        } // sepOff

        ostype & sepEnable( ostype & os ) {
                sepEnable( os );                                                                // call void returning
                return os;
        } // sepEnable

        ostype & sepDisable( ostype & os ) {
                sepDisable( os );                                                               // call void returning
                return os;
        } // sepDisable

        ostype & nlOn( ostype & os ) {
                nlOn( os );                                                                             // call void returning
                return os;
        } // nlOn

        ostype & nlOff( ostype & os ) {
                nlOff( os );                                                                    // call void returning
                return os;
        } // nlOff
} // distribution

// tuples
forall( dtype ostype, otype T, ttype Params | writeable( T, ostype ) | { ostype & ?|?( ostype &, Params ); } ) {
        ostype & ?|?( ostype & os, T arg, Params rest ) {
                (ostype &)(os | arg);                                                   // print first argument
                sepSetCur( os, sepGetTuple( os ) );                             // switch to tuple separator
                (ostype &)(os | rest);                                                  // print remaining arguments
                sepSetCur( os, sepGet( os ) );                                  // switch to regular separator
                return os;
        } // ?|?
        void ?|?( ostype & os, T arg, Params rest ) {
                // (ostype &)(?|?( os, arg, rest )); nl( os );
                (ostype &)(os | arg);                                                   // print first argument
                sepSetCur( os, sepGetTuple( os ) );                             // switch to tuple separator
                (ostype &)(os | rest);                                                  // print remaining arguments
                sepSetCur( os, sepGet( os ) );                                  // switch to regular separator
                nl( os );
        } // ?|?
} // distribution

//---------------------------------------

// writes the range [begin, end) to the given stream
forall( dtype ostype, otype elt_type | writeable( elt_type, ostype ), otype iterator_type | iterator( iterator_type, elt_type ) ) {
        void write( iterator_type begin, iterator_type end, ostype & os ) {
                void print( elt_type i ) { os | i; }
                for_each( begin, end, print );
        } // ?|?

        void write_reverse( iterator_type begin, iterator_type end, ostype & os ) {
                void print( elt_type i ) { os | i; }
                for_each_reverse( begin, end, print );
        } // ?|?
} // distribution

//---------------------------------------

forall( dtype istype | istream( istype ) ) {
        istype & ?|?( istype & is, bool & b ) {
                char val[6];
                fmt( is, "%5s", val );
                if ( strcmp( val, "true" ) == 0 ) b = true;
                else if ( strcmp( val, "false" ) == 0 ) b = false;
                else {
                        fprintf( stderr, "invalid Boolean constant\n" );
                        abort();
                } // if
                return is;
        } // ?|?

        istype & ?|?( istype & is, char & c ) {
                fmt( is, "%c", &c );                                                    // must pass pointer through varg to fmt
                return is;
        } // ?|?

        istype & ?|?( istype & is, signed char & sc ) {
                fmt( is, "%hhd", &sc );
                return is;
        } // ?|?

        istype & ?|?( istype & is, unsigned char & usc ) {
                fmt( is, "%hhu", &usc );
                return is;
        } // ?|?

        istype & ?|?( istype & is, short int & si ) {
                fmt( is, "%hd", &si );
                return is;
        } // ?|?

        istype & ?|?( istype & is, unsigned short int & usi ) {
                fmt( is, "%hu", &usi );
                return is;
        } // ?|?

        istype & ?|?( istype & is, int & i ) {
                fmt( is, "%d", &i );
                return is;
        } // ?|?

        istype & ?|?( istype & is, unsigned int & ui ) {
                fmt( is, "%u", &ui );
                return is;
        } // ?|?

        istype & ?|?( istype & is, long int & li ) {
                fmt( is, "%ld", &li );
                return is;
        } // ?|?

        istype & ?|?( istype & is, unsigned long int & ulli ) {
                fmt( is, "%lu", &ulli );
                return is;
        } // ?|?

        istype & ?|?( istype & is, long long int & lli ) {
                fmt( is, "%lld", &lli );
                return is;
        } // ?|?

        istype & ?|?( istype & is, unsigned long long int & ulli ) {
                fmt( is, "%llu", &ulli );
                return is;
        } // ?|?


        istype & ?|?( istype & is, float & f ) {
                fmt( is, "%f", &f );
                return is;
        } // ?|?

        istype & ?|?( istype & is, double & d ) {
                fmt( is, "%lf", &d );
                return is;
        } // ?|?

        istype & ?|?( istype & is, long double & ld ) {
                fmt( is, "%Lf", &ld );
                return is;
        } // ?|?


        istype & ?|?( istype & is, float _Complex & fc ) {
                float re, im;
                fmt( is, "%g%gi", &re, &im );
                fc = re + im * _Complex_I;
                return is;
        } // ?|?

        istype & ?|?( istype & is, double _Complex & dc ) {
                double re, im;
                fmt( is, "%lf%lfi", &re, &im );
                dc = re + im * _Complex_I;
                return is;
        } // ?|?

        istype & ?|?( istype & is, long double _Complex & ldc ) {
                long double re, im;
                fmt( is, "%Lf%Lfi", &re, &im );
                ldc = re + im * _Complex_I;
                return is;
        } // ?|?


        // manipulators
        istype & ?|?( istype & is, istype & (* manip)( istype & ) ) {
                return manip( is );
        } // ?|?

        istype & nl( istype & is ) {
                fmt( is, "%*[ \t\f\n\r\v]" );                                   // ignore whitespace
                return is;
        } // nl
} // distribution

_Istream_cstrUC cstr( char * str ) { return (_Istream_cstrUC){ str }; }
forall( dtype istype | istream( istype ) )
istype & ?|?( istype & is, _Istream_cstrUC cstr ) {
        fmt( is, "%s", cstr.s );
        return is;
} // cstr

_Istream_cstrC cstr( char * str, int size ) { return (_Istream_cstrC){ str, size }; }
forall( dtype istype | istream( istype ) )
istype & ?|?( istype & is, _Istream_cstrC cstr ) {
        char buf[16];
        sprintf( buf, "%%%ds", cstr.size );
        fmt( is, buf, cstr.s );
        return is;
} // cstr

// Local Variables: //
// tab-width: 4 //
// compile-command: "cfa iostream.cfa" //
// End: //