alloc..c

CFront1.0的源代码,第一代C++编译器的思想...

} ; 

#line 710 "../../src/cfront.h"
extern struct dcl_context ccvec [ 20] ; 

#line 712 "../../src/cfront.h"
extern bit can_coerce ( ) ; 

#line 713 "../../src/cfront.h"
extern int yyerror ( ) ; 

#line 714 "../../src/cfront.h"
extern TOK back ; 

#line 717 "../../src/cfront.h"
extern int Nspy ; 

#line 718 "../../src/cfront.h"
extern int Nfile ; 

#line 718 "../../src/cfront.h"
extern int Nline ; 

#line 718 "../../src/cfront.h"
extern int Ntoken ; 

#line 718 "../../src/cfront.h"
extern int Nname ; 

#line 718 "../../src/cfront.h"
extern int Nfree_store ; 

#line 718 "../../src/cfront.h"
extern int Nalloc ; 

#line 718 "../../src/cfront.h"
extern int Nfree ; 

#line 719 "../../src/cfront.h"
extern int NFn ; 

#line 719 "../../src/cfront.h"
extern int NFtn ; 

#line 719 "../../src/cfront.h"
extern int NFpv ; 

#line 719 "../../src/cfront.h"
extern int NFbt ; 

#line 719 "../../src/cfront.h"
extern int NFf ; 

#line 719 "../../src/cfront.h"
extern int NFs ; 

#line 719 "../../src/cfront.h"
extern int NFc ; 

#line 719 "../../src/cfront.h"
extern int NFe ; 

#line 719 "../../src/cfront.h"
extern int NFl ; 

#line 720 "../../src/cfront.h"
extern char * line_format ; 

#line 722 "../../src/cfront.h"
extern Plist isf_list ; 

#line 723 "../../src/cfront.h"
extern Pstmt st_ilist ; 

#line 724 "../../src/cfront.h"
extern Pstmt st_dlist ; 

#line 725 "../../src/cfront.h"
extern Ptable sti_tbl ; 

#line 726 "../../src/cfront.h"
extern Ptable std_tbl ; 

#line 728 "../../src/cfront.h"
extern Ptype np_promote ( ) ; 

#line 729 "../../src/cfront.h"
extern int new_key ( ) ; 

#line 731 "../../src/cfront.h"
extern Pname dcl_list ; 

#line 732 "../../src/cfront.h"
extern int over_call ( ) ; 

#line 733 "../../src/cfront.h"
extern Pname Nover ; 

#line 734 "../../src/cfront.h"
extern Pname Ncoerce ; 

#line 735 "../../src/cfront.h"
extern int Nover_coerce ; 

#line 737 "../../src/cfront.h"

#line 738 "../../src/cfront.h"
struct iline { /* sizeof = 108 */
Pname _iline_fct_name ; 
Pin _iline_i_next ; 
Ptable _iline_i_table ; 
Pname _iline_local [ 8] ; 
Pexpr _iline_arg [ 8] ; 
Ptype _iline_tp [ 8] ; 
} ; 

#line 747 "../../src/cfront.h"
extern Pexpr curr_expr ; 

#line 748 "../../src/cfront.h"
extern Pin curr_icall ; 

#line 751 "../../src/cfront.h"
extern Pstmt curr_loop ; 

#line 752 "../../src/cfront.h"
extern Pblock curr_block ; 

#line 753 "../../src/cfront.h"
extern Pstmt curr_switch ; 

#line 754 "../../src/cfront.h"
extern bit arg_err_suppress ; 

#line 755 "../../src/cfront.h"
extern struct loc last_line ; 

#line 757 "../../src/cfront.h"
extern int no_of_undcl ; 

#line 758 "../../src/cfront.h"
extern int no_of_badcall ; 

#line 759 "../../src/cfront.h"
extern Pname undcl ; 

#line 759 "../../src/cfront.h"
extern Pname badcall ; 

#line 761 "../../src/cfront.h"
extern int strlen ( ) ; 

#line 762 "../../src/cfront.h"
extern int strcpy ( ) ; 

#line 763 "../../src/cfront.h"
extern int strcmp ( ) ; 

#line 764 "../../src/cfront.h"
extern int str_to_int ( ) ; 

#line 765 "../../src/cfront.h"
extern int c_strlen ( ) ; 

#line 767 "../../src/cfront.h"
extern Pname vec_new_fct ; 

#line 768 "../../src/cfront.h"
extern Pname vec_del_fct ; 

#line 777 "../../src/cfront.h"
extern Pname find_hidden ( ) ; 

#line 778 "../../src/cfront.h"
extern TOK lalex ( ) ; 

#line 779 "../../src/cfront.h"
extern int Nstd ; 

#line 781 "../../src/cfront.h"
extern int stcount ; 

#line 5 "../../src/alloc.c"
extern int free ( ) ; 

#line 6 "../../src/alloc.c"
extern char * malloc ( ) ; 

#line 7 "../../src/alloc.c"
extern int print_free ( ) ; 
typedef struct header HEADER ; 

#line 11 "../../src/alloc.c"
static HEADER * morecore ( ) ; 

#line 13 "../../src/alloc.c"
int maxalloc = 0 ; 

#line 15 "../../src/alloc.c"
struct header { /* sizeof = 8 */
HEADER * _header_next ; 
unsigned int _header_size ; 
} ; 

#line 21 "../../src/alloc.c"
static HEADER base ; 

#line 22 "../../src/alloc.c"
HEADER * allocp = 0 ; 

#line 24 "../../src/alloc.c"
extern int print_free ( ) 
#line 25 "../../src/alloc.c"
{ 
#line 25 "../../src/alloc.c"
register HEADER * _auto_p ; 
register HEADER * _auto_q ; 
register int _auto_amount ; 
register int _auto_number ; 

#line 26 "../../src/alloc.c"
_auto_q = 0 ; 

#line 27 "../../src/alloc.c"
_auto_amount = 0 ; 

#line 28 "../../src/alloc.c"
_auto_number = 0 ; 

#line 30 "../../src/alloc.c"
for ( _auto_p = allocp ;( _auto_q != allocp ) ;( _auto_q = ( _auto_p = _auto_p -> _header_next ) ) ) 
#line 30 "../../src/alloc.c"

#line 30 "../../src/alloc.c"
{ 
#line 30 "../../src/alloc.c"
_auto_number ++ ; 

#line 32 "../../src/alloc.c"
_auto_amount += _auto_p -> _header_size ; 
} 
#line 34 "../../src/alloc.c"
fprintf ( ( struct _iobuf * ) ( & ( _iob [ 2 ] ) ) , 
#line 34 "../../src/alloc.c"
( char * ) "print_free: %d %d\n", _auto_number , _auto_amount * 8) ; 
} ; 

#line 37 "../../src/alloc.c"
extern char * malloc ( _auto_nbytes ) unsigned int _auto_nbytes ; 

#line 38 "../../src/alloc.c"
{ 
#line 38 "../../src/alloc.c"
char * _auto__result ; 
register HEADER * _auto_p ; 
register HEADER * _auto_q ; 
register int _auto_nunits ; 

#line 42 "../../src/alloc.c"
Nalloc ++ ; 

#line 43 "../../src/alloc.c"
_auto_nunits = ( 1 + ( ( ( _auto_nbytes + 8) - 1 ) / 8) ) ; 
#line 43 "../../src/alloc.c"

#line 44 "../../src/alloc.c"
if ( ( _auto_q = allocp ) == 0 ) { 
#line 44 "../../src/alloc.c"
base . _header_next = ( allocp = ( 
#line 44 "../../src/alloc.c"
_auto_q = ( & base ) ) ) ; 

#line 46 "../../src/alloc.c"
base . _header_size = 0 ; 
} 
#line 48 "../../src/alloc.c"
for ( _auto_p = _auto_q -> _header_next ;;( ( _auto_q = _auto_p ) , ( _auto_p = _auto_p -> _header_next ) 
#line 48 "../../src/alloc.c"
) ) 
#line 48 "../../src/alloc.c"
{ 
#line 48 "../../src/alloc.c"
if ( _auto_p -> _header_size >= _auto_nunits ) { 
#line 49 "../../src/alloc.c"
if ( _auto_p -> _header_size == _auto_nunits ) 
#line 49 "../../src/alloc.c"

#line 51 "../../src/alloc.c"
_auto_q -> _header_next = _auto_p -> _header_next ; 
else 
#line 52 "../../src/alloc.c"
{ 
#line 52 "../../src/alloc.c"
_auto_p -> _header_size -= _auto_nunits ; 

#line 54 "../../src/alloc.c"
_auto_p += ( ( ( int ) ( _auto_p -> _header_size ) ) ) ; 

#line 55 "../../src/alloc.c"
_auto_p -> _header_size = _auto_nunits ; 
} 
#line 57 "../../src/alloc.c"
allocp = _auto_q ; 

#line 60 "../../src/alloc.c"
if ( maxalloc < _auto_nunits ) maxalloc = _auto_nunits ; 

#line 62 "../../src/alloc.c"
{ 
#line 62 "../../src/alloc.c"
register int * _auto_x ; 
register int * _auto_y ; 

#line 62 "../../src/alloc.c"
_auto_x = ( ( ( int * ) ( _auto_p + 1 ) ) ) ; 

#line 63 "../../src/alloc.c"
_auto_y = ( ( ( int * ) ( _auto_p + _auto_nunits ) ) ) ; 

#line 64 "../../src/alloc.c"
while ( _auto_x < _auto_y ) ( * ( -- _auto_y ) ) = 0 ; 

#line 65 "../../src/alloc.c"
{ 
#line 65 "../../src/alloc.c"
{ _auto__result = ( ( ( char * ) ( _auto_x ) ) ) ; 
#line 65 "../../src/alloc.c"

#line 65 "../../src/alloc.c"
return _auto__result ; 
} } } } 
#line 67 "../../src/alloc.c"
if ( _auto_p == allocp ) if ( ( _auto_p = morecore ( ( 
#line 67 "../../src/alloc.c"
unsigned int ) _auto_nunits ) ) == 0 ) 
#line 69 "../../src/alloc.c"
{ 
#line 69 "../../src/alloc.c"
{ _auto__result = 0 ; 

#line 69 "../../src/alloc.c"
return _auto__result ; 
} } } } ; 

#line 75 "../../src/alloc.c"
static HEADER * morecore ( _auto_nu ) unsigned int _auto_nu ; 

#line 76 "../../src/alloc.c"
{ 
#line 76 "../../src/alloc.c"
HEADER * _auto__result ; 

#line 77 "../../src/alloc.c"
extern char * sbrk ( ) ; 
register HEADER * _auto_up ; 
register int _auto_rnu2 ; 
register int _auto_rnu ; 
register char * _auto_cp ; 
int _auto_ma ; 

#line 81 "../../src/alloc.c"
_auto_rnu = ( 1024 * ( ( ( _auto_nu + 1024 ) - 1 ) / 1024 ) ) ; 
#line 81 "../../src/alloc.c"

#line 82 "../../src/alloc.c"
_auto_cp = sbrk ( _auto_rnu2 = ( _auto_rnu * 8) ) ; 

#line 83 "../../src/alloc.c"
Nfree_store += _auto_rnu2 ; 

#line 84 "../../src/alloc.c"
if ( ( ( ( int ) ( _auto_cp ) ) ) == -1) errorFI_PC__E ( 
#line 84 "../../src/alloc.c"
( int ) 'i' , ( char * ) "free store exhausted") ; 

#line 85 "../../src/alloc.c"
_auto_up = ( ( ( struct header * ) ( _auto_cp ) ) ) ; 

#line 86 "../../src/alloc.c"
_auto_up -> _header_size = _auto_rnu ; 

#line 87 "../../src/alloc.c"
_auto_ma = maxalloc ; 

#line 88 "../../src/alloc.c"
maxalloc = _auto_rnu ; 

#line 89 "../../src/alloc.c"
free ( ( ( char * ) ( _auto_up + 1 ) ) ) ; 

#line 90 "../../src/alloc.c"
maxalloc = _auto_ma ; 

#line 91 "../../src/alloc.c"
{ 
#line 91 "../../src/alloc.c"
{ _auto__result = allocp ; 

#line 91 "../../src/alloc.c"
return _auto__result ; 
} } } ; 

#line 94 "../../src/alloc.c"
int NFn = 0 ; 

#line 94 "../../src/alloc.c"
int NFtn = 0 ; 

#line 94 "../../src/alloc.c"
int NFbt = 0 ; 

#line 94 "../../src/alloc.c"
int NFpv = 0 ; 

#line 94 "../../src/alloc.c"
int NFf = 0 ; 

#line 94 "../../src/alloc.c"
int NFe = 0 ; 

#line 94 "../../src/alloc.c"
int NFs = 0 ; 

#line 94 "../../src/alloc.c"
int NFc = 0 ; 

#line 96 "../../src/alloc.c"
extern int free ( _auto_ap ) char * _auto_ap ; 

#line 97 "../../src/alloc.c"
{ 
#line 97 "../../src/alloc.c"
register HEADER * _auto_p ; 
register HEADER * _auto_q ; 

#line 98 "../../src/alloc.c"
if ( _auto_ap == 0 ) { 
#line 98 "../../src/alloc.c"
return ; 
} 
#line 100 "../../src/alloc.c"
_auto_p = ( ( ( ( struct header * ) ( _auto_ap ) ) ) - 
#line 100 "../../src/alloc.c"
1 ) ; 

#line 102 "../../src/alloc.c"
if ( maxalloc < _auto_p -> _header_size ) errorFI_PC__E ( ( int ) 'i' , ( char * ) 
#line 102 "../../src/alloc.c"
"free store corrupted (%d)", _auto_ap ) ; 

#line 104 "../../src/alloc.c"
Nfree ++ ; 

#line 106 "../../src/alloc.c"
if ( Nspy ) { 
#line 106 "../../src/alloc.c"
Pname _auto_pp ; 
TOK _auto_t ; 
char * _auto_s ; 

#line 107 "../../src/alloc.c"
_auto_pp = ( ( ( struct name * ) ( _auto_ap ) ) ) ; 

#line 108 "../../src/alloc.c"
_auto_t = _auto_pp -> _node_base ; 

#line 109 "../../src/alloc.c"
_auto_s = 0 ; 

#line 111 "../../src/alloc.c"
switch ( _auto_t ) { 
#line 111 "../../src/alloc.c"
case 21 : case 5 : case 97 : case 38 : case 29 : 
#line 111 "../../src/alloc.c"

#line 113 "../../src/alloc.c"
case 22 : case 15 : case 11 : case 119 : case 121 : case 114 : NFbt ++ ; 
#line 113 "../../src/alloc.c"

#line 115 "../../src/alloc.c"
break ; 

#line 117 "../../src/alloc.c"
case 125 : case 110 : NFpv ++ ; 

#line 118 "../../src/alloc.c"
break ; 

#line 120 "../../src/alloc.c"
case 108 : NFf ++ ; 

#line 120 "../../src/alloc.c"
break ; 

#line 122 "../../src/alloc.c"
case 82 : case 84 : case 81 : case 83 : case 34 : NFc ++ ; 

#line 123 "../../src/alloc.c"
break ; 
} } 
#line 126 "../../src/alloc.c"
for ( _auto_q = allocp ;( ! ( ( _auto_p > _auto_q ) && ( _auto_p < 
#line 126 "../../src/alloc.c"
_auto_q -> _header_next ) ) ) ;( _auto_q = _auto_q -> _header_next ) ) 
#line 127 "../../src/alloc.c"
if ( ( _auto_q >= _auto_q -> 
#line 127 "../../src/alloc.c"
_header_next ) && ( ( _auto_p > _auto_q ) || ( _auto_p < _auto_q -> _header_next ) ) ) 
#line 128 "../../src/alloc.c"
break 
#line 128 "../../src/alloc.c"
; 

#line 130 "../../src/alloc.c"
if ( ( _auto_p + _auto_p -> _header_size ) == _auto_q -> _header_next ) { 
#line 130 "../../src/alloc.c"
_auto_p -> _header_size += _auto_q -> _header_next -> 
#line 130 "../../src/alloc.c"
_header_size ; 

#line 132 "../../src/alloc.c"
_auto_p -> _header_next = _auto_q -> _header_next -> _header_next ; 
} else 
#line 134 "../../src/alloc.c"
_auto_p -> _header_next = _auto_q -> _header_next ; 

#line 135 "../../src/alloc.c"
if ( ( _auto_q + _auto_q -> _header_size ) == _auto_p ) { 
#line 135 "../../src/alloc.c"
_auto_q -> _header_size += _auto_p -> _header_size ; 

#line 137 "../../src/alloc.c"
_auto_q -> _header_next = _auto_p -> _header_next ; 
} else 
#line 139 "../../src/alloc.c"
_auto_q -> _header_next = _auto_p ; 

#line 140 "../../src/alloc.c"
allocp = _auto_q ; 
} ; 

/* the end */