Changeset 3c573e9 for libcfa/src/iostream.cfa
- Timestamp:
- Jun 4, 2019, 6:34:15 PM (4 years ago)
- Branches:
- arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum
- Children:
- 9be45a2
- Parents:
- 0161ddf
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
libcfa/src/iostream.cfa
r0161ddf r3c573e9 10 10 // Created On : Wed May 27 17:56:53 2015 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Tue May 21 13:01:26201913 // Update Count : 67412 // Last Modified On : Tue Jun 4 17:32:34 2019 13 // Update Count : 761 14 14 // 15 15 … … 20 20 #include <stdbool.h> // true/false 21 21 //#include <string.h> // strlen, strcmp 22 extern size_t strlen (const char *__s) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))); 22 23 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))); 24 extern char *strcpy (char *__restrict __dest, const char *__restrict __src) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2))); 25 extern void *memcpy (void *__restrict __dest, const void *__restrict __src, size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2))); 24 26 #include <float.h> // DBL_DIG, LDBL_DIG 25 27 #include <math.h> // isfinite 26 28 #include <complex.h> // creal, cimag 27 } 29 } // extern "C" 28 30 29 31 forall( dtype ostype | ostream( ostype ) ) { … … 198 200 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); 199 201 // os | crealf( fc ) | nonl; 200 float f = crealf( fc ); 201 PrintWithDP( os, "%g", f ); 202 f = cimagf( fc ); 203 PrintWithDP( os, "%+g", f ); 202 PrintWithDP( os, "%g", crealf( fc ) ); 203 PrintWithDP( os, "%+g", cimagf( fc ) ); 204 204 fmt( os, "i" ); 205 205 return os; … … 212 212 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); 213 213 // os | creal( dc ) | nonl; 214 double d = creal( dc ); 215 PrintWithDP( os, "%.*lg", d, DBL_DIG ); 216 d = cimag( dc ); 217 PrintWithDP( os, "%+.*lg", d, DBL_DIG ); 214 PrintWithDP( os, "%.*lg", creal( dc ), DBL_DIG ); 215 PrintWithDP( os, "%+.*lg", cimag( dc ), DBL_DIG ); 218 216 fmt( os, "i" ); 219 217 return os; … … 226 224 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); 227 225 // os | creall( ldc ) || nonl; 228 long double ld = creall( ldc ); 229 PrintWithDP( os, "%.*Lg", ld, LDBL_DIG ); 230 ld = cimagl( ldc ); 231 PrintWithDP( os, "%+.*Lg", ld, LDBL_DIG ); 226 PrintWithDP( os, "%.*Lg", creall( ldc ), LDBL_DIG ); 227 PrintWithDP( os, "%+.*Lg", cimagl( ldc ), LDBL_DIG ); 232 228 fmt( os, "i" ); 233 229 return os; … … 395 391 } // distribution 396 392 393 394 //*********************************** Integral *********************************** 395 396 static const char * shortbin[] = { "0", "1", "10", "11", "100", "101", "110", "111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; 397 static const char * longbin[] = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111" }; 398 399 // Default prefix for non-decimal prints is 0b, 0, 0x. 400 #define IntegralFMTImpl( T, CODE, IFMTNP, IFMTP ) \ 401 forall( dtype ostype | ostream( ostype ) ) { \ 402 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ 403 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); \ 404 \ 405 if ( f.base == 'b' || f.base == 'B' ) { /* bespoke binary format */ \ 406 int bits; \ 407 if ( f.val == (T){0} ) bits = 1; /* force at least one bit to print */ \ 408 else bits = sizeof(long long int) * 8 - __builtin_clzll( f.val ); /* position of most significant bit */ \ 409 bits = bits > sizeof(f.val) * 8 ? sizeof(f.val) * 8 : bits; \ 410 int spaces = f.wd - bits; /* can be negative */ \ 411 if ( ! f.flags.nobsdp ) { spaces -= 2; } /* base prefix takes space */ \ 412 /* printf( "%d %d\n", bits, spaces ); */ \ 413 if ( ! f.flags.left ) { /* right justified ? */ \ 414 /* Note, base prefix then zero padding or spacing then prefix. */ \ 415 if ( f.flags.pad0 || f.flags.pc ) { \ 416 if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ 417 if ( f.flags.pc ) spaces = f.pc - bits; \ 418 if ( spaces > 0 ) fmt( os, "%0*d", spaces, 0 ); /* zero pad */ \ 419 } else { \ 420 if ( spaces > 0 ) fmt( os, "%*s", spaces, " " ); /* space pad */ \ 421 if ( ! f.flags.nobsdp ) { fmt( os, "0%c", f.base ); } \ 422 } /* if */ \ 423 } else if ( ! f.flags.nobsdp ) { \ 424 fmt( os, "0%c", f.base ); \ 425 } /* if */ \ 426 int shift = (bits - 1) / 4 * 4; /* floor( bits - 1, 4 ) */ \ 427 typeof( f.val ) temp = f.val; \ 428 fmt( os, "%s", shortbin[(temp >> shift) & 0xf] ); \ 429 for () { \ 430 shift -= 4; \ 431 if ( shift < 0 ) break; \ 432 temp = f.val; \ 433 fmt( os, "%s", longbin[(temp >> shift) & 0xf] ); \ 434 } /* for */ \ 435 if ( f.flags.left && spaces > 0 ) fmt( os, "%*s", spaces, " " ); \ 436 return os; \ 437 } /* if */ \ 438 \ 439 char fmtstr[sizeof(IFMTP)]; /* sizeof includes '\0' */ \ 440 if ( ! f.flags.pc ) memcpy( &fmtstr, IFMTNP, sizeof(IFMTNP) ); \ 441 else memcpy( &fmtstr, IFMTP, sizeof(IFMTP) ); \ 442 int star = 4; /* position before first '*' */ \ 443 \ 444 /* Insert flags into spaces before '*', from right to left. */ \ 445 if ( ! f.flags.nobsdp ) { fmtstr[star] = '#'; star -= 1; } \ 446 if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \ 447 if ( f.flags.sign && f.base == CODE ) { fmtstr[star] = '+'; star -= 1; } \ 448 if ( f.flags.pad0 && ! f.flags.pc ) { fmtstr[star] = '0'; star -= 1; } \ 449 fmtstr[star] = '%'; \ 450 \ 451 if ( ! f.flags.pc ) { /* no precision */ \ 452 /* printf( "%s\n", &fmtstr[star] ); */ \ 453 fmtstr[sizeof(IFMTNP)-2] = f.base; /* sizeof includes '\0' */ \ 454 fmt( os, &fmtstr[star], f.wd, f.val ); \ 455 } else { /* precision */ \ 456 fmtstr[sizeof(IFMTP)-2] = f.base; /* sizeof includes '\0' */ \ 457 /* printf( "%s\n", &fmtstr[star] ); */ \ 458 fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); \ 459 } /* if */ \ 460 return os; \ 461 } /* ?|? */ \ 462 void ?|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os | f); nl( os ); } \ 463 } // distribution 464 465 IntegralFMTImpl( signed char, 'd', "% *hh ", "% *.*hh " ) 466 IntegralFMTImpl( unsigned char, 'u', "% *hh ", "% *.*hh " ) 467 IntegralFMTImpl( signed short int, 'd', "% *h ", "% *.*h " ) 468 IntegralFMTImpl( unsigned short int, 'u', "% *h ", "% *.*h " ) 469 IntegralFMTImpl( signed int, 'd', "% * ", "% *.* " ) 470 IntegralFMTImpl( unsigned int, 'u', "% * ", "% *.* " ) 471 IntegralFMTImpl( signed long int, 'd', "% *l ", "% *.*l " ) 472 IntegralFMTImpl( unsigned long int, 'u', "% *l ", "% *.*l " ) 473 IntegralFMTImpl( signed long long int, 'd', "% *ll ", "% *.*ll " ) 474 IntegralFMTImpl( unsigned long long int, 'u', "% *ll ", "% *.*ll " ) 475 476 //*********************************** Floating Point *********************************** 477 478 #define PrintWithDP2( os, format, val, ... ) \ 479 { \ 480 enum { size = 48 }; \ 481 char buf[size]; \ 482 int bufbeg = 0, i, len = snprintf( buf, size, format, ##__VA_ARGS__, val ); \ 483 if ( isfinite( val ) && (f.base != 'g' || f.pc != 0) ) { /* if number, print decimal point */ \ 484 for ( i = 0; i < len && buf[i] != '.' && buf[i] != 'e' && buf[i] != 'E'; i += 1 ); /* decimal point or scientific ? */ \ 485 if ( i == len && ! f.flags.nobsdp ) { \ 486 if ( ! f.flags.left ) { \ 487 buf[i] = '.'; buf[i + 1] = '\0'; \ 488 if ( buf[0] == ' ' ) bufbeg = 1; /* decimal point within width */ \ 489 } else { \ 490 for ( i = 0; i < len && buf[i] != ' '; i += 1 ); /* trailing blank ? */ \ 491 buf[i] = '.'; \ 492 if ( i == len ) buf[i + 1] = '\0'; \ 493 } /* if */ \ 494 } /* if */ \ 495 } /* if */ \ 496 fmt( os, "%s", &buf[bufbeg] ); \ 497 } 498 499 #define FloatingPointFMTImpl( T, DFMTNP, DFMTP ) \ 500 forall( dtype ostype | ostream( ostype ) ) { \ 501 ostype & ?|?( ostype & os, _Ostream_Manip(T) f ) { \ 502 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); \ 503 char fmtstr[sizeof(DFMTP)]; /* sizeof includes '\0' */ \ 504 if ( ! f.flags.pc ) memcpy( &fmtstr, DFMTNP, sizeof(DFMTNP) ); \ 505 else memcpy( &fmtstr, DFMTP, sizeof(DFMTP) ); \ 506 int star = 4; /* position before first '*' */ \ 507 \ 508 /* Insert flags into spaces before '*', from right to left. */ \ 509 if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } \ 510 if ( f.flags.sign ) { fmtstr[star] = '+'; star -= 1; } \ 511 if ( f.flags.pad0 ) { fmtstr[star] = '0'; star -= 1; } \ 512 fmtstr[star] = '%'; \ 513 \ 514 if ( ! f.flags.pc ) { /* no precision */ \ 515 fmtstr[sizeof(DFMTNP)-2] = f.base; /* sizeof includes '\0' */ \ 516 /* printf( "%g %d %s\n", f.val, f.wd, &fmtstr[star]); */ \ 517 PrintWithDP2( os, &fmtstr[star], f.val, f.wd ) \ 518 } else { /* precision */ \ 519 fmtstr[sizeof(DFMTP)-2] = f.base; /* sizeof includes '\0' */ \ 520 /* printf( "%g %d %d %s\n", f.val, f.wd, f.pc, &fmtstr[star] ); */ \ 521 PrintWithDP2( os, &fmtstr[star], f.val, f.wd, f.pc ) \ 522 } /* if */ \ 523 return os; \ 524 } /* ?|? */ \ 525 void ?|?( ostype & os, _Ostream_Manip(T) f ) { (ostype &)(os | f); nl( os ); } \ 526 } // distribution 527 528 FloatingPointFMTImpl( double, "% * ", "% *.* " ) 529 FloatingPointFMTImpl( long double, "% *L ", "% *.*L " ) 530 531 //*********************************** Character *********************************** 532 533 forall( dtype ostype | ostream( ostype ) ) { 534 ostype & ?|?( ostype & os, _Ostream_Manip(char) f ) { 535 if ( f.base != 'c' ) { // bespoke binary/octal/hex format 536 _Ostream_Manip(unsigned char) fmtuc @= { f.val, f.wd, f.pc, f.base, {'\0'} }; 537 fmtuc.flags.pc = f.flags.pc; 538 fmtuc.flags.nobsdp = f.flags.nobsdp; 539 // os | fmtuc | nonl; 540 (ostype &)(os | fmtuc); 541 return os; 542 } // if 543 544 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); 545 546 #define CFMTNP "% * " 547 char fmtstr[sizeof(CFMTNP)]; // sizeof includes '\0' 548 memcpy( &fmtstr, CFMTNP, sizeof(CFMTNP) ); 549 int star = 1; // position before first '*' 550 551 // Insert flags into spaces before '*', from right to left. 552 if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } 553 fmtstr[star] = '%'; 554 555 fmtstr[sizeof(CFMTNP)-2] = f.base; // sizeof includes '\0' 556 // printf( "%d %s\n", f.wd, &fmtstr[star] ); 557 fmt( os, &fmtstr[star], f.wd, f.val ); 558 return os; 559 } // ?|? 560 void ?|?( ostype & os, _Ostream_Manip(char) f ) { (ostype &)(os | f); nl( os ); } 561 } // distribution 562 563 //*********************************** C String *********************************** 564 565 forall( dtype ostype | ostream( ostype ) ) { 566 ostype & ?|?( ostype & os, _Ostream_Manip(const char *) f ) { 567 if ( ! f.val ) return os; // null pointer ? 568 569 if ( f.base != 's' ) { // bespoke binary/octal/hex format 570 _Ostream_Manip(unsigned char) fmtuc @= { 0, f.wd, f.pc, f.base, {'\0'} }; 571 fmtuc.flags.pc = f.flags.pc; 572 fmtuc.flags.nobsdp = f.flags.nobsdp; 573 for ( unsigned int i = 0; f.val[i] != '\0'; i += 1 ) { 574 fmtuc.val = f.val[i]; 575 // os | fmtuc | nonl; 576 (ostype &)(os | fmtuc); 577 } // for 578 return os; 579 } // if 580 581 if ( sepPrt( os ) ) fmt( os, "%s", sepGetCur( os ) ); 582 583 #define SFMTNP "% * " 584 #define SFMTP "% *.* " 585 char fmtstr[sizeof(SFMTP)]; // sizeof includes '\0' 586 if ( ! f.flags.pc ) memcpy( &fmtstr, SFMTNP, sizeof(SFMTNP) ); 587 else memcpy( &fmtstr, SFMTP, sizeof(SFMTP) ); 588 int star = 1; // position before first '*' 589 590 // Insert flags into spaces before '*', from right to left. 591 if ( f.flags.left ) { fmtstr[star] = '-'; star -= 1; } 592 fmtstr[star] = '%'; 593 594 if ( ! f.flags.pc ) { // no precision 595 // printf( "%d %s\n", f.wd, &fmtstr[star] ); 596 fmtstr[sizeof(SFMTNP)-2] = f.base; // sizeof includes '\0' 597 fmt( os, &fmtstr[star], f.wd, f.val ); 598 } else { // precision 599 fmtstr[sizeof(SFMTP)-2] = f.base; // sizeof includes '\0' 600 // printf( "%d %d %s\n", f.wd, f.pc, &fmtstr[star] ); 601 fmt( os, &fmtstr[star], f.wd, f.pc, f.val ); 602 } // if 603 return os; 604 } // ?|? 605 void ?|?( ostype & os, _Ostream_Manip(const char *) f ) { (ostype &)(os | f); nl( os ); } 606 } // distribution 607 397 608 //--------------------------------------- 398 609 … … 410 621 } // distribution 411 622 412 //--------------------------------------- 623 624 //*********************************** Istream *********************************** 625 413 626 414 627 forall( dtype istype | istream( istype ) ) { … … 437 650 438 651 istype & ?|?( istype & is, signed char & sc ) { 439 fmt( is, "%hh d", &sc );652 fmt( is, "%hhi", &sc ); 440 653 return is; 441 654 } // ?|? 442 655 443 656 istype & ?|?( istype & is, unsigned char & usc ) { 444 fmt( is, "%hh u", &usc );657 fmt( is, "%hhi", &usc ); 445 658 return is; 446 659 } // ?|? 447 660 448 661 istype & ?|?( istype & is, short int & si ) { 449 fmt( is, "%h d", &si );662 fmt( is, "%hi", &si ); 450 663 return is; 451 664 } // ?|? 452 665 453 666 istype & ?|?( istype & is, unsigned short int & usi ) { 454 fmt( is, "%h u", &usi );667 fmt( is, "%hi", &usi ); 455 668 return is; 456 669 } // ?|? 457 670 458 671 istype & ?|?( istype & is, int & i ) { 459 fmt( is, "% d", &i );672 fmt( is, "%i", &i ); 460 673 return is; 461 674 } // ?|? 462 675 463 676 istype & ?|?( istype & is, unsigned int & ui ) { 464 fmt( is, "% u", &ui );677 fmt( is, "%i", &ui ); 465 678 return is; 466 679 } // ?|? 467 680 468 681 istype & ?|?( istype & is, long int & li ) { 469 fmt( is, "%l d", &li );682 fmt( is, "%li", &li ); 470 683 return is; 471 684 } // ?|? 472 685 473 686 istype & ?|?( istype & is, unsigned long int & ulli ) { 474 fmt( is, "%l u", &ulli );687 fmt( is, "%li", &ulli ); 475 688 return is; 476 689 } // ?|? 477 690 478 691 istype & ?|?( istype & is, long long int & lli ) { 479 fmt( is, "%ll d", &lli );692 fmt( is, "%lli", &lli ); 480 693 return is; 481 694 } // ?|? 482 695 483 696 istype & ?|?( istype & is, unsigned long long int & ulli ) { 484 fmt( is, "%ll u", &ulli );697 fmt( is, "%lli", &ulli ); 485 698 return is; 486 699 } // ?|? … … 505 718 istype & ?|?( istype & is, float _Complex & fc ) { 506 719 float re, im; 507 fmt( is, "% g%gi", &re, &im );720 fmt( is, "%f%fi", &re, &im ); 508 721 fc = re + im * _Complex_I; 509 722 return is; … … 561 774 } // cstr 562 775 776 #if 0 777 forall( dtype istype | istream( istype ) ) 778 istype & ?|?( istype & is, _Istream_skip skip ) { 779 fmt( is, skip.s, "" ); // no input arguments 780 return is; 781 } // skip 782 783 forall( dtype istype | istream( istype ) ) 784 istype & ?|?( istype & is, _Istream_incl incl ) { 785 size_t len = strlen( incl.scanset ) + 4; // extras: "%[]\0" 786 char fmtstr[len]; 787 fmtstr[0] = '%'; fmtstr[1] = '['; 788 strcpy( &fmtstr[2], incl.scanset ); // after '[', copy includes '\0' 789 fmtstr[len - 2] = ']'; fmtstr[len - 1] = '\0'; 790 fmt( is, fmtstr, incl.s ); 791 return is; 792 } // incl 793 794 forall( dtype istype | istream( istype ) ) 795 istype & ?|?( istype & is, _Istream_excl excl ) { 796 size_t len = strlen( excl.scanset ); 797 char fmtstr[len+5]; 798 fmtstr[0] = '%'; fmtstr[1] = '['; fmtstr[2] = '^'; 799 strcpy( &fmtstr[3], excl.scanset ); // after '^', copy includes '\0' 800 fmtstr[len - 2] = ']'; fmtstr[len - 1] = '\0'; 801 fmt( is, fmtstr, excl.s ); 802 return is; 803 } // excl 804 805 forall( dtype istype | istream( istype ) ) 806 istype & ?|?( istype & is, _Istream_cstr cstr ) { 807 fmt( is, "%s", cstr.s ); 808 return is; 809 } // cstr 810 811 _Istream_cstrW cstr( char * s, int size ) { return (_Istream_cstrW){ s, size }; } 812 forall( dtype istype | istream( istype ) ) 813 istype & ?|?( istype & is, _Istream_cstrW cstr ) { 814 enum { size = 16 }; 815 char fmtstr[size]; 816 sprintf( fmtstr, "%%%ds", cstr.size ); 817 fmt( is, fmtstr, cstr.s ); 818 return is; 819 } // cstr 820 821 forall( dtype istype | istream( istype ) ) istype & ?|?( istype &, _Istream_Cstr ) { 822 823 } 824 825 //*********************************** Manipulators *********************************** 826 827 #define InputFMTImpl( T, CODE ) \ 828 forall( dtype istype | istream( istype ) ) \ 829 istype & ?|?( istype & is, _Istream_Manip(T) f ) { \ 830 enum { size = 16 }; \ 831 char fmtstr[size]; \ 832 if ( f.wd == -1 ) { \ 833 snprintf( fmtstr, size, "%%%s%s", f.ignore ? "*" : "", CODE ); \ 834 } else { \ 835 snprintf( fmtstr, size, "%%%s%d%s", f.ignore ? "*" : "", f.wd, CODE ); \ 836 } /* if */ \ 837 /* printf( "%d %s %p\n", f.wd, fmtstr, &f.val ); */ \ 838 fmt( is, fmtstr, &f.val ); \ 839 return is; \ 840 } /* ?|? */ 841 842 InputFMTImpl( char, "c" ) 843 InputFMTImpl( signed char, "hhi" ) 844 InputFMTImpl( unsigned char, "hhi" ) 845 InputFMTImpl( signed short int, "hi" ) 846 InputFMTImpl( unsigned short int, "hi" ) 847 InputFMTImpl( signed int, "i" ) 848 InputFMTImpl( unsigned int, "i" ) 849 InputFMTImpl( signed long int, "li" ) 850 InputFMTImpl( unsigned long int, "li" ) 851 InputFMTImpl( signed long long int, "lli" ) 852 InputFMTImpl( unsigned long long int, "lli" ) 853 854 InputFMTImpl( float, "f" ) 855 InputFMTImpl( double, "lf" ) 856 InputFMTImpl( long double, "Lf" ) 857 858 InputFMTImpl( float _Complex, "ff" ) 859 InputFMTImpl( double _Complex, "lf" ) 860 InputFMTImpl( long double _Complex, "Lf" ) 861 #endif // 0 862 563 863 // Local Variables: // 564 864 // tab-width: 4 //
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