lex..c

CFront1.0的源代码,第一代C++编译器的思想...

#line 1 "../../src/lex.c"

/* <<cfront 10/10/85>> */
/* < ../../src/lex.c */
int * _new ( ) ; 
int _delete ( ) ; 
int * _vec_new ( ) ; 
int _vec_delete ( ) ; 

#line 1 "../../src/lex.c"
typedef char * va_list ; 

#line 12 "../../incl/stdio.h"
struct _iobuf { /* sizeof = 16 */
int __iobuf__cnt ; 
char * __iobuf__ptr ; 
char * __iobuf__base ; 
char __iobuf__flag ; 
char __iobuf__file ; 
} ; 

#line 20 "../../incl/stdio.h"
extern struct _iobuf _iob [ 20] ; 

#line 36 "../../incl/stdio.h"
extern int _flsbuf ( ) ; 

#line 37 "../../incl/stdio.h"
extern int _filbuf ( ) ; 

#line 50 "../../incl/stdio.h"
extern struct _iobuf * fopen ( ) ; 

#line 51 "../../incl/stdio.h"
extern struct _iobuf * fdopen ( ) ; 

#line 52 "../../incl/stdio.h"
extern struct _iobuf * freopen ( ) ; 

#line 53 "../../incl/stdio.h"
extern long ftell ( ) ; 

#line 54 "../../incl/stdio.h"
extern char * fgets ( ) ; 

#line 61 "../../incl/stdio.h"
extern char * gets ( ) ; 

#line 62 "../../incl/stdio.h"
extern int puts ( ) ; 

#line 63 "../../incl/stdio.h"
extern int fputs ( ) ; 

#line 64 "../../incl/stdio.h"
extern int printf ( ) ; 

#line 65 "../../incl/stdio.h"
extern int fprintf ( ) ; 

#line 66 "../../incl/stdio.h"
extern int sprintf ( ) ; 

#line 67 "../../incl/stdio.h"
extern int scanf ( ) ; 

#line 68 "../../incl/stdio.h"
extern int fscanf ( ) ; 

#line 69 "../../incl/stdio.h"
extern int sscanf ( ) ; 

#line 70 "../../incl/stdio.h"
extern int fread ( ) ; 

#line 71 "../../incl/stdio.h"
extern int fwrite ( ) ; 

#line 72 "../../incl/stdio.h"
extern int fclose ( ) ; 

#line 73 "../../incl/stdio.h"
extern int fflush ( ) ; 

#line 74 "../../incl/stdio.h"
extern int clearerr ( ) ; 

#line 75 "../../incl/stdio.h"
extern int fseek ( ) ; 

#line 76 "../../incl/stdio.h"
extern int rewind ( ) ; 

#line 77 "../../incl/stdio.h"
extern int getw ( ) ; 

#line 78 "../../incl/stdio.h"
extern int fgetc ( ) ; 

#line 79 "../../incl/stdio.h"
extern struct _iobuf * popen ( ) ; 

#line 80 "../../incl/stdio.h"
extern int pclose ( ) ; 

#line 81 "../../incl/stdio.h"
extern int putw ( ) ; 

#line 82 "../../incl/stdio.h"
extern int fputc ( ) ; 

#line 83 "../../incl/stdio.h"
extern int setbuf ( ) ; 

#line 84 "../../incl/stdio.h"
extern int ungetc ( ) ; 

#line 86 "../../incl/stdio.h"
extern int exit ( ) ; 

#line 87 "../../incl/stdio.h"
extern int abort ( ) ; 

#line 89 "../../incl/stdio.h"
extern int atoi ( ) ; 

#line 90 "../../incl/stdio.h"
extern double atof ( ) ; 

#line 91 "../../incl/stdio.h"
extern long atol ( ) ; 

#line 96 "../../incl/stdio.h"
extern struct _iobuf * tmpfile ( ) ; 

#line 97 "../../incl/stdio.h"
extern char * ctermid ( ) ; 

#line 98 "../../incl/stdio.h"
extern char * cuserid ( ) ; 

#line 99 "../../incl/stdio.h"
extern char * tempnam ( ) ; 

#line 100 "../../incl/stdio.h"
extern char * tmpnam ( ) ; 

#line 101 "../../incl/stdio.h"
extern int vprintf ( ) ; 

#line 102 "../../incl/stdio.h"
extern int vfprintf ( ) ; 

#line 103 "../../incl/stdio.h"
extern int vsprintf ( ) ; 

#line 104 "../../incl/stdio.h"
extern int setvbuf ( ) ; 

#line 106 "../../incl/stdio.h"
extern int perror ( ) ; 

#line 108 "../../incl/stdio.h"
extern int errno ; 

#line 109 "../../incl/stdio.h"
extern char * sys_errlist [ ] ; 

#line 110 "../../incl/stdio.h"
extern int sys_nerr ; 

#line 111 "../../incl/stdio.h"
extern unsigned char * _bufendtab [ ] ; 

#line 6 "../../src/token.h"
extern int lex_clear ( ) ; 

#line 7 "../../src/token.h"
extern int ktbl_init ( ) ; 

#line 8 "../../src/token.h"
extern int otbl_init ( ) ; 

#line 19 "../../src/token.h"
extern char * keys [ 256] ; 
typedef short TOK ; 
typedef struct node * PP ; 
typedef char bit ; 
typedef int ( * PFI ) ( ) ; 
typedef int ( * PFV ) ( ) ; 
typedef struct node * Pnode ; 
typedef struct key * Pkey ; 
typedef struct name * Pname ; 
typedef struct basetype * Pbase ; 
typedef struct type * Ptype ; 
typedef struct fct * Pfct ; 
typedef struct field * Pfield ; 
typedef struct expr * Pexpr ; 
typedef struct qexpr * Pqexpr ; 
typedef struct texpr * Ptexpr ; 
typedef struct classdef * Pclass ; 
typedef struct enumdef * Penum ; 
typedef struct stmt * Pstmt ; 
typedef struct estmt * Pestmt ; 
typedef struct tstmt * Ptstmt ; 
typedef struct vec * Pvec ; 
typedef struct ptr * Pptr ; 
typedef struct block * Pblock ; 
typedef struct table * Ptable ; 
typedef struct loc Loc ; 
typedef struct call * Pcall ; 
typedef struct gen * Pgen ; 
typedef struct ref * Pref ; 
typedef struct name_list * Plist ; 
typedef struct iline * Pin ; 

#line 31 "../../src/cfront.h"
extern char * prog_name ; 

#line 32 "../../src/cfront.h"
extern bit old_fct_accepted ; 

#line 36 "../../src/cfront.h"
extern bit fct_void ; 

#line 44 "../../src/cfront.h"
extern int inline_restr ; 

#line 46 "../../src/cfront.h"
extern Pname name_free ; 

#line 47 "../../src/cfront.h"
extern Pexpr expr_free ; 

#line 48 "../../src/cfront.h"
extern Pstmt stmt_free ; 

#line 50 "../../src/cfront.h"
extern int Nspy ; 

#line 50 "../../src/cfront.h"
extern int Nn ; 

#line 50 "../../src/cfront.h"
extern int Nbt ; 

#line 50 "../../src/cfront.h"
extern int Nt ; 

#line 50 "../../src/cfront.h"
extern int Ne ; 

#line 50 "../../src/cfront.h"
extern int Ns ; 

#line 50 "../../src/cfront.h"
extern int Nstr ; 

#line 50 "../../src/cfront.h"
extern int Nc ; 

#line 50 "../../src/cfront.h"
extern int Nl ; 

#line 52 "../../src/cfront.h"
extern TOK lex ( ) ; 

#line 53 "../../src/cfront.h"
extern Pname syn ( ) ; 

#line 54 "../../src/cfront.h"
extern bit print_mode ; 

#line 57 "../../src/cfront.h"
extern int init_print ( ) ; 

#line 58 "../../src/cfront.h"
extern int init_lex ( ) ; 

#line 59 "../../src/cfront.h"
extern int int_syn ( ) ; 

#line 60 "../../src/cfront.h"
extern int ext ( ) ; 

#line 62 "../../src/cfront.h"
extern char * make_name ( ) ; 

#line 67 "../../src/cfront.h"
struct loc { /* sizeof = 4 */
short _loc_file ; 
short _loc_line ; 
} ; 
int _loc_put ( ) ; 
int _loc_putline ( ) ; 

#line 76 "../../src/cfront.h"
extern Loc curloc ; 

#line 77 "../../src/cfront.h"
extern int curr_file ; 

#line 80 "../../src/cfront.h"
extern int error ( ) ; 

#line 81 "../../src/cfront.h"
extern int errorFI_PC__E ( ) ; 

#line 82 "../../src/cfront.h"
extern int errorFPCloc__PC__E ( ) ; 

#line 83 "../../src/cfront.h"
extern int errorFPC__E ( ) ; 

#line 84 "../../src/cfront.h"
extern int error_count ; 

#line 85 "../../src/cfront.h"
extern bit debug ; 

#line 86 "../../src/cfront.h"
extern Ptype outlined ; 

#line 88 "../../src/cfront.h"
extern struct _iobuf * in_file ; 

#line 89 "../../src/cfront.h"
extern struct _iobuf * out_file ; 

#line 90 "../../src/cfront.h"
extern char scan_started ; 

#line 91 "../../src/cfront.h"
extern bit warn ; 

#line 92 "../../src/cfront.h"
extern int br_level ; 

#line 93 "../../src/cfront.h"
extern int bl_level ; 

#line 94 "../../src/cfront.h"
extern Ptable ktbl ; 

#line 95 "../../src/cfront.h"
extern char * oper_name ( ) ; 

#line 96 "../../src/cfront.h"
extern Ptable gtbl ; 

#line 97 "../../src/cfront.h"
extern Pclass ccl ; 

#line 98 "../../src/cfront.h"
extern Pbase defa_type ; 

#line 99 "../../src/cfront.h"
extern Pbase moe_type ; 

#line 101 "../../src/cfront.h"
extern Pstmt Cstmt ; 

#line 102 "../../src/cfront.h"
extern Pname Cdcl ; 

#line 103 "../../src/cfront.h"
extern int put_dcl_context ( ) ; 

#line 105 "../../src/cfront.h"
extern Ptable any_tbl ; 

#line 106 "../../src/cfront.h"
extern Pbase any_type ; 

#line 107 "../../src/cfront.h"
extern Pbase int_type ; 

#line 108 "../../src/cfront.h"
extern Pbase char_type ; 

#line 109 "../../src/cfront.h"
extern Pbase short_type ; 

#line 110 "../../src/cfront.h"
extern Pbase long_type ; 

#line 111 "../../src/cfront.h"
extern Pbase uchar_type ; 

#line 112 "../../src/cfront.h"
extern Pbase ushort_type ; 

#line 113 "../../src/cfront.h"
extern Pbase uint_type ; 

#line 114 "../../src/cfront.h"
extern Pbase ulong_type ; 

#line 115 "../../src/cfront.h"
extern Ptype Pchar_type ; 

#line 116 "../../src/cfront.h"
extern Ptype Pint_type ; 

#line 117 "../../src/cfront.h"
extern Ptype Pfctvec_type ; 

#line 118 "../../src/cfront.h"
extern Pbase float_type ; 

#line 119 "../../src/cfront.h"
extern Pbase double_type ; 

#line 120 "../../src/cfront.h"
extern Pbase void_type ; 

#line 121 "../../src/cfront.h"
extern Ptype Pvoid_type ; 

#line 122 "../../src/cfront.h"
extern Pbase zero_type ; 

#line 124 "../../src/cfront.h"
extern int byte_offset ; 

#line 125 "../../src/cfront.h"
extern int bit_offset ; 

#line 126 "../../src/cfront.h"
extern int max_align ; 

#line 127 "../../src/cfront.h"
extern int stack_size ; 

#line 128 "../../src/cfront.h"
extern int enum_count ; 

#line 129 "../../src/cfront.h"
extern int const_save ; 

#line 131 "../../src/cfront.h"
extern Pname class_name ( ) ; 

#line 132 "../../src/cfront.h"
extern Pname gen_find ( ) ; 

#line 133 "../../src/cfront.h"
extern char * gen_name ( ) ; 

#line 135 "../../src/cfront.h"
extern Pexpr dummy ; 

#line 136 "../../src/cfront.h"
extern Pexpr zero ; 

#line 137 "../../src/cfront.h"
extern Pexpr one ; 

#line 138 "../../src/cfront.h"
extern Pname sta_name ; 

#line 144 "../../src/cfront.h"
struct node { /* sizeof = 8 */
TOK _node_base ; 
TOK _node_n_key ; 
bit _node_permanent ; 
} ; 

#line 150 "../../src/cfront.h"
extern Pclass Ebase ; 

#line 150 "../../src/cfront.h"
extern Pclass Epriv ; 

#line 152 "../../src/cfront.h"
struct table { /* sizeof = 36 */
TOK _node_base ; 
TOK _node_n_key ; 
bit _node_permanent ; 
short _table_size ; 
short _table_hashsize ; 
Pname * _table_entries ; 
short * _table_hashtbl ; 
short _table_free_slot ; 
short _table_init_stat ; 
Pstmt _table_real_block ; 
Ptable _table_next ; 
Pname _table_t_name ; 
} ; 
struct table * _table__ctor ( ) ; 
Pname _table_look ( ) ; 
Pname _table_insert ( ) ; 
int _table_grow ( ) ; 
Pname _table_get_mem ( ) ; 
int _table_dcl_print ( ) ; 
Pname _table_lookc ( ) ; 
Pexpr _table_find_name ( ) ; 
int _table_del ( ) ; 

#line 184 "../../src/cfront.h"
extern bit Nold ; 

#line 185 "../../src/cfront.h"
extern bit vec_const ; 

#line 186 "../../src/cfront.h"
extern int restore ( ) ; 

#line 187 "../../src/cfront.h"
extern int set_scope ( ) ; 

#line 188 "../../src/cfront.h"
extern Plist modified_tn ; 

#line 189 "../../src/cfront.h"
extern Pbase start_cl ( ) ; 

#line 190 "../../src/cfront.h"
extern int end_cl ( ) ; 

#line 191 "../../src/cfront.h"
extern Pbase end_enum ( ) ; 

#line 195 "../../src/cfront.h"
extern bit new_type ; 

#line 196 "../../src/cfront.h"
extern Pname cl_obj_vec ; 

#line 197 "../../src/cfront.h"
extern Pname eobj ; 

#line 206 "../../src/cfront.h"
struct type { /* sizeof = 8 */
TOK _node_base ; 
TOK _node_n_key ; 
bit _node_permanent ; 
bit _type_defined ; 
} ; 
int _type_print ( ) ; 
int _type_dcl_print ( ) ; 
int _type_base_print ( ) ; 
int _type_del ( ) ; 
Pname _type_is_cl_obj ( ) ; 
int _type_is_ref ( ) ; 
int _type_dcl ( ) ; 
int _type_tsizeof ( ) ; 
bit _type_tconst ( ) ; 
TOK _type_set_const ( ) ; 
int _type_align ( ) ; 
TOK _type_kind ( ) ; 
bit _type_fct_type ( ) ; 
bit _type_vec_type ( ) ; 
bit _type_check ( ) ; 
Ptype _type_deref ( ) ; 
char * _type_signature ( ) ; 

#line 235 "../../src/cfront.h"
extern bit vrp_equiv ; 

#line 237 "../../src/cfront.h"
struct enumdef { /* sizeof = 20 */
TOK _node_base ; 
TOK _node_n_key ; 
bit _node_permanent ; 
bit _type_defined ; 
Pname _enumdef_mem ; 
bit _enumdef_e_body ; 
int _enumdef_no_of_enumerators ; 
} ;