diff options
Diffstat (limited to 'gnu/usr.bin/bc/scan.c')
| -rw-r--r-- | gnu/usr.bin/bc/scan.c | 1368 |
1 files changed, 0 insertions, 1368 deletions
diff --git a/gnu/usr.bin/bc/scan.c b/gnu/usr.bin/bc/scan.c deleted file mode 100644 index 6bff451..0000000 --- a/gnu/usr.bin/bc/scan.c +++ /dev/null @@ -1,1368 +0,0 @@ -/* A lexical scanner generated by flex */ - -/* scanner skeleton version: - * $Header: /home/ncvs/src/gnu/usr.bin/bc/scan.c,v 1.1.1.1 1993/06/19 00:26:18 paul Exp $ - */ - -#define FLEX_SCANNER - -#include <stdio.h> - - -/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ -#ifdef c_plusplus -#ifndef __cplusplus -#define __cplusplus -#endif -#endif - - -#ifdef __cplusplus - -#include <stdlib.h> -#include <osfcn.h> - -/* use prototypes in function declarations */ -#define YY_USE_PROTOS - -/* the "const" storage-class-modifier is valid */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -#ifdef __STDC__ - -#ifdef __GNUC__ -#include <stddef.h> -void *malloc( size_t ); -void free( void* ); -#else -#include <stdlib.h> -#endif /* __GNUC__ */ - -#define YY_USE_PROTOS -#define YY_USE_CONST - -#endif /* __STDC__ */ -#endif /* ! __cplusplus */ - - -#ifdef __TURBOC__ -#define YY_USE_CONST -#endif - - -#ifndef YY_USE_CONST -#define const -#endif - - -#ifdef YY_USE_PROTOS -#define YY_PROTO(proto) proto -#else -#define YY_PROTO(proto) () -/* we can't get here if it's an ANSI C compiler, or a C++ compiler, - * so it's got to be a K&R compiler, and therefore there's no standard - * place from which to include these definitions - */ -/* char *malloc(); -int free(); */ -int read(); -#endif - - -/* amount of stuff to slurp up with each read */ -#ifndef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 8192 -#endif - -/* returned upon end-of-file */ -#define YY_END_TOK 0 - -/* copy whatever the last rule matched to the standard output */ - -/* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */ -/* this used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite() - */ -#define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout ) - -/* gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#define YY_INPUT(buf,result,max_size) \ - if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ - YY_FATAL_ERROR( "read() in flex scanner failed" ); -#define YY_NULL 0 - -/* no semi-colon after return; correct usage is to write "yyterminate();" - - * we don't want an extra ';' after the "return" because that will cause - * some compilers to complain about unreachable statements. - */ -#define yyterminate() return ( YY_NULL ) - -/* report a fatal error */ - -/* The funky do-while is used to turn this macro definition into - * a single C statement (which needs a semi-colon terminator). - * This avoids problems with code like: - * - * if ( something_happens ) - * YY_FATAL_ERROR( "oops, the something happened" ); - * else - * everything_okay(); - * - * Prior to using the do-while the compiler would get upset at the - * "else" because it interpreted the "if" statement as being all - * done when it reached the ';' after the YY_FATAL_ERROR() call. - */ - -#define YY_FATAL_ERROR(msg) \ - do \ - { \ - (void) fputs( msg, stderr ); \ - (void) putc( '\n', stderr ); \ - exit( 1 ); \ - } \ - while ( 0 ) - -/* default yywrap function - always treat EOF as an EOF */ -#define yywrap() 1 - -/* enter a start condition. This macro really ought to take a parameter, - * but we do it the disgusting crufty way forced on us by the ()-less - * definition of BEGIN - */ -#define BEGIN yy_start = 1 + 2 * - -/* action number for EOF rule of a given start state */ -#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) - -/* special action meaning "start processing a new file" */ -#define YY_NEW_FILE \ - do \ - { \ - yy_init_buffer( yy_current_buffer, yyin ); \ - yy_load_buffer_state(); \ - } \ - while ( 0 ) - -/* default declaration of generated scanner - a define so the user can - * easily add parameters - */ -#define YY_DECL int yylex YY_PROTO(( void )) - -/* code executed at the end of each rule */ -#define YY_BREAK break; - -#define YY_END_OF_BUFFER_CHAR 0 - -#ifndef YY_BUF_SIZE -#define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */ -#endif - -typedef struct yy_buffer_state *YY_BUFFER_STATE; - -#define YY_CHAR unsigned char -# line 1 "scan.l" -#define INITIAL 0 -# line 2 "scan.l" -/* scan.l: the (f)lex description file for the scanner. */ - -/* This file is part of bc written for MINIX. - Copyright (C) 1991, 1992 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License , or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - - You may contact the author by: - e-mail: phil@cs.wwu.edu - us-mail: Philip A. Nelson - Computer Science Department, 9062 - Western Washington University - Bellingham, WA 98226-9062 - -*************************************************************************/ - -#include "bcdefs.h" -#include "y.tab.h" -#include "global.h" -#include "proto.h" - -/* Using flex, we can ask for a smaller input buffer. With lex, this - does nothing! */ - -#ifdef SMALL_BUF -#undef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 512 -#endif - -/* We want to define our own yywrap. */ -#undef yywrap -_PROTOTYPE(int yywrap, (void)); - -/* MINIX returns from read with < 0 if SIGINT is encountered. - In flex, we can redefine YY_INPUT to the following. In lex, this - does nothing! */ -#include <errno.h> -#undef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - while ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ - if (errno != EINTR) \ - YY_FATAL_ERROR( "read() in flex scanner failed" ); - -# line 60 "scan.l" - -/* done after the current pattern has been matched and before the - * corresponding action - sets up yytext - */ -#define YY_DO_BEFORE_ACTION \ - yytext = yy_bp; \ - yyleng = yy_cp - yy_bp; \ - yy_hold_char = *yy_cp; \ - *yy_cp = '\0'; \ - yy_c_buf_p = yy_cp; - -#define EOB_ACT_CONTINUE_SCAN 0 -#define EOB_ACT_END_OF_FILE 1 -#define EOB_ACT_LAST_MATCH 2 - -/* return all but the first 'n' matched characters back to the input stream */ -#define yyless(n) \ - do \ - { \ - /* undo effects of setting up yytext */ \ - *yy_cp = yy_hold_char; \ - yy_c_buf_p = yy_cp = yy_bp + n; \ - YY_DO_BEFORE_ACTION; /* set up yytext again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, yytext ) - - -struct yy_buffer_state - { - FILE *yy_input_file; - - YY_CHAR *yy_ch_buf; /* input buffer */ - YY_CHAR *yy_buf_pos; /* current position in input buffer */ - - /* size of input buffer in bytes, not including room for EOB characters*/ - int yy_buf_size; - - /* number of characters read into yy_ch_buf, not including EOB characters */ - int yy_n_chars; - - int yy_eof_status; /* whether we've seen an EOF on this buffer */ -#define EOF_NOT_SEEN 0 - /* "pending" happens when the EOF has been seen but there's still - * some text process - */ -#define EOF_PENDING 1 -#define EOF_DONE 2 - }; - -static YY_BUFFER_STATE yy_current_buffer; - -/* we provide macros for accessing buffer states in case in the - * future we want to put the buffer states in a more general - * "scanner state" - */ -#define YY_CURRENT_BUFFER yy_current_buffer - - -/* yy_hold_char holds the character lost when yytext is formed */ -static YY_CHAR yy_hold_char; - -static int yy_n_chars; /* number of characters read into yy_ch_buf */ - - - -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -#ifndef YY_USER_INIT -#define YY_USER_INIT -#endif - -extern YY_CHAR *yytext; -extern int yyleng; -extern FILE *yyin, *yyout; - -YY_CHAR *yytext; -int yyleng; - -FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; - -#define YY_END_OF_BUFFER 40 -typedef int yy_state_type; -static const short int yy_accept[144] = - { 0, - 0, 0, 40, 38, 33, 31, 25, 38, 26, 38, - 22, 26, 22, 22, 38, 26, 37, 29, 27, 29, - 38, 22, 35, 35, 35, 35, 35, 35, 35, 35, - 35, 35, 35, 35, 35, 35, 35, 35, 38, 33, - 29, 0, 36, 27, 23, 30, 37, 0, 34, 37, - 37, 0, 28, 32, 35, 35, 35, 35, 35, 35, - 35, 35, 35, 7, 35, 35, 35, 35, 35, 35, - 35, 35, 35, 35, 35, 24, 37, 0, 0, 37, - 0, 35, 35, 35, 35, 35, 6, 35, 35, 35, - 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, - - 35, 13, 35, 35, 35, 14, 16, 35, 17, 35, - 35, 35, 35, 3, 15, 35, 35, 9, 35, 35, - 2, 35, 35, 11, 35, 35, 12, 20, 35, 10, - 35, 8, 35, 1, 4, 21, 5, 35, 35, 35, - 19, 18, 0 - } ; - -static const YY_CHAR yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 4, 5, 1, 1, 6, 7, 1, 8, - 9, 10, 11, 12, 13, 14, 15, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 1, 17, 18, - 19, 20, 1, 1, 21, 21, 21, 21, 21, 21, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 22, 23, 24, 25, 26, 1, 27, 28, 29, 30, - - 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 44, 45, 46, 47, 36, 48, 36, - 49, 36, 50, 51, 52, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1 - } ; - -static const YY_CHAR yy_meta[53] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, - 1, 1 - } ; - -static const short int yy_base[146] = - { 0, - 0, 0, 193, 194, 190, 194, 172, 185, 170, 181, - 194, 168, 42, 41, 41, 46, 52, 167, 61, 166, - 181, 164, 135, 137, 139, 148, 140, 136, 0, 149, - 27, 50, 147, 130, 126, 141, 40, 36, 120, 168, - 194, 164, 194, 194, 194, 194, 66, 165, 194, 72, - 76, 164, 194, 194, 0, 120, 134, 124, 131, 117, - 117, 122, 132, 0, 113, 117, 117, 128, 119, 118, - 52, 125, 107, 106, 114, 194, 80, 145, 84, 88, - 144, 105, 118, 98, 108, 111, 0, 95, 95, 93, - 105, 102, 91, 95, 88, 103, 85, 93, 84, 85, - - 90, 0, 90, 91, 85, 0, 0, 93, 0, 77, - 76, 90, 74, 0, 0, 75, 87, 0, 90, 85, - 0, 75, 83, 0, 76, 63, 0, 0, 66, 0, - 62, 0, 47, 0, 0, 0, 0, 45, 53, 29, - 0, 0, 194, 111, 56 - } ; - -static const short int yy_def[146] = - { 0, - 143, 1, 143, 143, 143, 143, 143, 144, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 145, 145, 145, 143, 143, - 143, 144, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 143, 143, 143, 143, 143, - 143, 145, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, - - 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, - 145, 145, 0, 143, 143 - } ; - -static const short int yy_nxt[247] = - { 0, - 4, 5, 6, 7, 8, 9, 10, 11, 11, 12, - 13, 11, 14, 15, 16, 17, 11, 18, 19, 20, - 17, 11, 21, 11, 22, 4, 23, 24, 25, 26, - 27, 28, 29, 30, 31, 29, 29, 32, 29, 29, - 33, 34, 35, 36, 37, 29, 29, 38, 29, 11, - 39, 11, 46, 46, 63, 49, 47, 55, 64, 44, - 44, 47, 74, 48, 44, 50, 53, 51, 72, 75, - 53, 53, 51, 53, 52, 53, 65, 142, 96, 41, - 66, 77, 73, 141, 67, 53, 77, 80, 78, 50, - 140, 51, 80, 139, 81, 77, 51, 97, 52, 47, - - 77, 138, 78, 80, 47, 137, 48, 136, 80, 135, - 81, 42, 42, 134, 133, 132, 131, 130, 129, 128, - 127, 126, 125, 124, 123, 122, 121, 120, 119, 118, - 117, 116, 115, 114, 113, 112, 111, 110, 109, 108, - 107, 106, 105, 104, 103, 102, 80, 77, 101, 100, - 99, 98, 95, 94, 93, 92, 91, 90, 89, 88, - 87, 86, 85, 84, 83, 82, 51, 79, 43, 40, - 76, 71, 70, 69, 68, 62, 61, 60, 59, 58, - 57, 56, 44, 54, 41, 41, 44, 45, 44, 43, - 41, 40, 143, 3, 143, 143, 143, 143, 143, 143, - - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143 - } ; - -static const short int yy_chk[247] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 13, 14, 31, 16, 15, 145, 31, 14, - 13, 15, 38, 15, 16, 17, 19, 17, 37, 38, - 19, 19, 17, 19, 17, 19, 32, 140, 71, 19, - 32, 47, 37, 139, 32, 19, 47, 50, 47, 51, - 138, 51, 50, 133, 50, 77, 51, 71, 51, 79, - - 77, 131, 77, 80, 79, 129, 79, 126, 80, 125, - 80, 144, 144, 123, 122, 120, 119, 117, 116, 113, - 112, 111, 110, 108, 105, 104, 103, 101, 100, 99, - 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, - 88, 86, 85, 84, 83, 82, 81, 78, 75, 74, - 73, 72, 70, 69, 68, 67, 66, 65, 63, 62, - 61, 60, 59, 58, 57, 56, 52, 48, 42, 40, - 39, 36, 35, 34, 33, 30, 28, 27, 26, 25, - 24, 23, 22, 21, 20, 18, 12, 10, 9, 8, - 7, 5, 3, 143, 143, 143, 143, 143, 143, 143, - - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, - 143, 143, 143, 143, 143, 143 - } ; - -static yy_state_type yy_last_accepting_state; -static YY_CHAR *yy_last_accepting_cpos; - -/* the intent behind this definition is that it'll catch - * any uses of REJECT which flex missed - */ -#define REJECT reject_used_but_not_detected -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 - -/* these variables are all declared out here so that section 3 code can - * manipulate them - */ -/* points to current character in buffer */ -static YY_CHAR *yy_c_buf_p = (YY_CHAR *) 0; -static int yy_init = 1; /* whether we need to initialize */ -static int yy_start = 0; /* start state number */ - -/* flag which is used to allow yywrap()'s to do buffer switches - * instead of setting up a fresh yyin. A bit of a hack ... - */ -static int yy_did_buffer_switch_on_eof; - -static yy_state_type yy_get_previous_state YY_PROTO(( void )); -static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); -static int yy_get_next_buffer YY_PROTO(( void )); -static void yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr )); -void yyrestart YY_PROTO(( FILE *input_file )); -void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); -void yy_load_buffer_state YY_PROTO(( void )); -YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); -void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); -void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); - -#define yy_new_buffer yy_create_buffer - -#ifdef __cplusplus -static int yyinput YY_PROTO(( void )); -#else -static int input YY_PROTO(( void )); -#endif - -YY_DECL - { - register yy_state_type yy_current_state; - register YY_CHAR *yy_cp, *yy_bp; - register int yy_act; - - - - if ( yy_init ) - { - YY_USER_INIT; - - if ( ! yy_start ) - yy_start = 1; /* first start state */ - - if ( ! yyin ) - yyin = stdin; - - if ( ! yyout ) - yyout = stdout; - - if ( yy_current_buffer ) - yy_init_buffer( yy_current_buffer, yyin ); - else - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); - - yy_load_buffer_state(); - - yy_init = 0; - } - - while ( 1 ) /* loops until end-of-file is reached */ - { - yy_cp = yy_c_buf_p; - - /* support of yytext */ - *yy_cp = yy_hold_char; - - /* yy_bp points to the position in yy_ch_buf of the start of the - * current run. - */ - yy_bp = yy_cp; - - yy_current_state = yy_start; -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[*yy_cp]; - if ( yy_accept[yy_current_state] ) - { - yy_last_accepting_state = yy_current_state; - yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = yy_def[yy_current_state]; - if ( yy_current_state >= 144 ) - yy_c = yy_meta[yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; - ++yy_cp; - } - while ( yy_base[yy_current_state] != 194 ); - -yy_find_action: - yy_act = yy_accept[yy_current_state]; - - YY_DO_BEFORE_ACTION; - YY_USER_ACTION; - -do_action: /* this label is used only to access EOF actions */ - - - switch ( yy_act ) - { - case 0: /* must backtrack */ - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = yy_hold_char; - yy_cp = yy_last_accepting_cpos; - yy_current_state = yy_last_accepting_state; - goto yy_find_action; - -case 1: -# line 61 "scan.l" -return(Define); - YY_BREAK -case 2: -# line 62 "scan.l" -return(Break); - YY_BREAK -case 3: -# line 63 "scan.l" -return(Quit); - YY_BREAK -case 4: -# line 64 "scan.l" -return(Length); - YY_BREAK -case 5: -# line 65 "scan.l" -return(Return); - YY_BREAK -case 6: -# line 66 "scan.l" -return(For); - YY_BREAK -case 7: -# line 67 "scan.l" -return(If); - YY_BREAK -case 8: -# line 68 "scan.l" -return(While); - YY_BREAK -case 9: -# line 69 "scan.l" -return(Sqrt); - YY_BREAK -case 10: -# line 70 "scan.l" -return(Scale); - YY_BREAK -case 11: -# line 71 "scan.l" -return(Ibase); - YY_BREAK -case 12: -# line 72 "scan.l" -return(Obase); - YY_BREAK -case 13: -# line 73 "scan.l" -return(Auto); - YY_BREAK -case 14: -# line 74 "scan.l" -return(Else); - YY_BREAK -case 15: -# line 75 "scan.l" -return(Read); - YY_BREAK -case 16: -# line 76 "scan.l" -return(Halt); - YY_BREAK -case 17: -# line 77 "scan.l" -return(Last); - YY_BREAK -case 18: -# line 78 "scan.l" -return(Warranty); - YY_BREAK -case 19: -# line 79 "scan.l" -return(Continue); - YY_BREAK -case 20: -# line 80 "scan.l" -return(Print); - YY_BREAK -case 21: -# line 81 "scan.l" -return(Limits); - YY_BREAK -case 22: -# line 82 "scan.l" -{ yylval.c_value = yytext[0]; - return((int)yytext[0]); } - YY_BREAK -case 23: -# line 84 "scan.l" -{ return(AND); } - YY_BREAK -case 24: -# line 85 "scan.l" -{ return(OR); } - YY_BREAK -case 25: -# line 86 "scan.l" -{ return(NOT); } - YY_BREAK -case 26: -# line 87 "scan.l" -{ yylval.c_value = yytext[0]; return(MUL_OP); } - YY_BREAK -case 27: -# line 88 "scan.l" -{ yylval.c_value = yytext[0]; return(ASSIGN_OP); } - YY_BREAK -case 28: -# line 89 "scan.l" -{ -#ifdef OLD_EQ_OP - char warn_save; - warn_save = warn_not_std; - warn_not_std = TRUE; - warn ("Old fashioned =<op>"); - warn_not_std = warn_save; - yylval.c_value = yytext[1]; -#else - yylval.c_value = '='; - yyless (1); -#endif - return(ASSIGN_OP); - } - YY_BREAK -case 29: -# line 103 "scan.l" -{ yylval.s_value = strcopyof(yytext); return(REL_OP); } - YY_BREAK -case 30: -# line 104 "scan.l" -{ yylval.c_value = yytext[0]; return(INCR_DECR); } - YY_BREAK -case 31: -# line 105 "scan.l" -{ line_no++; return(NEWLINE); } - YY_BREAK -case 32: -# line 106 "scan.l" -{ line_no++; /* ignore a "quoted" newline */ } - YY_BREAK -case 33: -# line 107 "scan.l" -{ /* ignore spaces and tabs */ } - YY_BREAK -case 34: -# line 108 "scan.l" -{ - int c; - - for (;;) - { - while ( ((c=input()) != '*') && (c != EOF)) - /* eat it */ - if (c == '\n') line_no++; - if (c == '*') - { - while ( (c=input()) == '*') /* eat it*/; - if (c == '/') break; /* at end of comment */ - if (c == '\n') line_no++; - } - if (c == EOF) - { - fprintf (stderr,"EOF encountered in a comment.\n"); - break; - } - } - } - YY_BREAK -case 35: -# line 129 "scan.l" -{ yylval.s_value = strcopyof(yytext); return(NAME); } - YY_BREAK -case 36: -# line 130 "scan.l" -{ - unsigned char *look; - int count = 0; - yylval.s_value = strcopyof(yytext); - for (look = yytext; *look != 0; look++) - { - if (*look == '\n') line_no++; - if (*look == '"') count++; - } - if (count != 2) yyerror ("NUL character in string."); - return(STRING); - } - YY_BREAK -case 37: -# line 142 "scan.l" -{ - unsigned char *src, *dst; - int len; - /* remove a trailing decimal point. */ - len = strlen(yytext); - if (yytext[len-1] == '.') - yytext[len-1] = 0; - /* remove leading zeros. */ - src = yytext; - dst = yytext; - while (*src == '0') src++; - if (*src == 0) src--; - /* Copy strings removing the newlines. */ - while (*src != 0) - { - if (*src == '\\') - { - src++; src++; - line_no++; - } - else - *dst++ = *src++; - } - *dst = 0; - yylval.s_value = strcopyof(yytext); - return(NUMBER); - } - YY_BREAK -case 38: -# line 169 "scan.l" -{ - if (yytext[0] < ' ') - yyerror ("illegal character: ^%c",yytext[0] + '@'); - else - if (yytext[0] > '~') - yyerror ("illegal character: \\%3d", (int) yytext[0]); - else - yyerror ("illegal character: %s",yytext); - } - YY_BREAK -case 39: -# line 178 "scan.l" -ECHO; - YY_BREAK -case YY_STATE_EOF(INITIAL): - yyterminate(); - - case YY_END_OF_BUFFER: - { - /* amount of text matched not including the EOB char */ - int yy_amount_of_matched_text = yy_cp - yytext - 1; - - /* undo the effects of YY_DO_BEFORE_ACTION */ - *yy_cp = yy_hold_char; - - /* note that here we test for yy_c_buf_p "<=" to the position - * of the first EOB in the buffer, since yy_c_buf_p will - * already have been incremented past the NUL character - * (since all states make transitions on EOB to the end- - * of-buffer state). Contrast this with the test in yyinput(). - */ - if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) - /* this was really a NUL */ - { - yy_state_type yy_next_state; - - yy_c_buf_p = yytext + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state(); - - /* okay, we're now positioned to make the - * NUL transition. We couldn't have - * yy_get_previous_state() go ahead and do it - * for us because it doesn't know how to deal - * with the possibility of jamming (and we - * don't want to build jamming into it because - * then it will run more slowly) - */ - - yy_next_state = yy_try_NUL_trans( yy_current_state ); - - yy_bp = yytext + YY_MORE_ADJ; - - if ( yy_next_state ) - { - /* consume the NUL */ - yy_cp = ++yy_c_buf_p; - yy_current_state = yy_next_state; - goto yy_match; - } - - else - { - goto yy_find_action; - } - } - - else switch ( yy_get_next_buffer() ) - { - case EOB_ACT_END_OF_FILE: - { - yy_did_buffer_switch_on_eof = 0; - - if ( yywrap() ) - { - /* note: because we've taken care in - * yy_get_next_buffer() to have set up yytext, - * we can now set up yy_c_buf_p so that if some - * total hoser (like flex itself) wants - * to call the scanner after we return the - * YY_NULL, it'll still work - another YY_NULL - * will get returned. - */ - yy_c_buf_p = yytext + YY_MORE_ADJ; - - yy_act = YY_STATE_EOF((yy_start - 1) / 2); - goto do_action; - } - - else - { - if ( ! yy_did_buffer_switch_on_eof ) - YY_NEW_FILE; - } - } - break; - - case EOB_ACT_CONTINUE_SCAN: - yy_c_buf_p = yytext + yy_amount_of_matched_text; - - yy_current_state = yy_get_previous_state(); - - yy_cp = yy_c_buf_p; - yy_bp = yytext + YY_MORE_ADJ; - goto yy_match; - - case EOB_ACT_LAST_MATCH: - yy_c_buf_p = - &yy_current_buffer->yy_ch_buf[yy_n_chars]; - - yy_current_state = yy_get_previous_state(); - - yy_cp = yy_c_buf_p; - yy_bp = yytext + YY_MORE_ADJ; - goto yy_find_action; - } - break; - } - - default: -#ifdef FLEX_DEBUG - printf( "action # %d\n", yy_act ); -#endif - YY_FATAL_ERROR( - "fatal flex scanner internal error--no action found" ); - } - } - } - - -/* yy_get_next_buffer - try to read in a new buffer - * - * synopsis - * int yy_get_next_buffer(); - * - * returns a code representing an action - * EOB_ACT_LAST_MATCH - - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position - * EOB_ACT_END_OF_FILE - end of file - */ - -static int yy_get_next_buffer() - - { - register YY_CHAR *dest = yy_current_buffer->yy_ch_buf; - register YY_CHAR *source = yytext - 1; /* copy prev. char, too */ - register int number_to_move, i; - int ret_val; - - if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - /* try to read more data */ - - /* first move last chars to start of buffer */ - number_to_move = yy_c_buf_p - yytext; - - for ( i = 0; i < number_to_move; ++i ) - *(dest++) = *(source++); - - if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN ) - /* don't do the read, it's not guaranteed to return an EOF, - * just force an EOF - */ - yy_n_chars = 0; - - else - { - int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1; - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - else if ( num_to_read <= 0 ) - YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); - - /* read in more data */ - YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), - yy_n_chars, num_to_read ); - } - - if ( yy_n_chars == 0 ) - { - if ( number_to_move == 1 ) - { - ret_val = EOB_ACT_END_OF_FILE; - yy_current_buffer->yy_eof_status = EOF_DONE; - } - - else - { - ret_val = EOB_ACT_LAST_MATCH; - yy_current_buffer->yy_eof_status = EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - yy_n_chars += number_to_move; - yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; - yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; - - /* yytext begins at the second character in yy_ch_buf; the first - * character is the one which preceded it before reading in the latest - * buffer; it needs to be kept around in case it's a newline, so - * yy_get_previous_state() will have with '^' rules active - */ - - yytext = &yy_current_buffer->yy_ch_buf[1]; - - return ( ret_val ); - } - - -/* yy_get_previous_state - get the state just before the EOB char was reached - * - * synopsis - * yy_state_type yy_get_previous_state(); - */ - -static yy_state_type yy_get_previous_state() - - { - register yy_state_type yy_current_state; - register YY_CHAR *yy_cp; - - yy_current_state = yy_start; - - for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) - { - register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1); - if ( yy_accept[yy_current_state] ) - { - yy_last_accepting_state = yy_current_state; - yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = yy_def[yy_current_state]; - if ( yy_current_state >= 144 ) - yy_c = yy_meta[yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; - } - - return ( yy_current_state ); - } - - -/* yy_try_NUL_trans - try to make a transition on the NUL character - * - * synopsis - * next_state = yy_try_NUL_trans( current_state ); - */ - -#ifdef YY_USE_PROTOS -static yy_state_type yy_try_NUL_trans( register yy_state_type yy_current_state ) -#else -static yy_state_type yy_try_NUL_trans( yy_current_state ) -register yy_state_type yy_current_state; -#endif - - { - register int yy_is_jam; - register YY_CHAR *yy_cp = yy_c_buf_p; - - register YY_CHAR yy_c = 1; - if ( yy_accept[yy_current_state] ) - { - yy_last_accepting_state = yy_current_state; - yy_last_accepting_cpos = yy_cp; - } - while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) - { - yy_current_state = yy_def[yy_current_state]; - if ( yy_current_state >= 144 ) - yy_c = yy_meta[yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; - yy_is_jam = (yy_current_state == 143); - - return ( yy_is_jam ? 0 : yy_current_state ); - } - - -#ifdef YY_USE_PROTOS -static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp ) -#else -static void yyunput( c, yy_bp ) -YY_CHAR c; -register YY_CHAR *yy_bp; -#endif - - { - register YY_CHAR *yy_cp = yy_c_buf_p; - - /* undo effects of setting up yytext */ - *yy_cp = yy_hold_char; - - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) - { /* need to shift things up to make room */ - register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */ - register YY_CHAR *dest = - &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2]; - register YY_CHAR *source = - &yy_current_buffer->yy_ch_buf[number_to_move]; - - while ( source > yy_current_buffer->yy_ch_buf ) - *--dest = *--source; - - yy_cp += dest - source; - yy_bp += dest - source; - yy_n_chars = yy_current_buffer->yy_buf_size; - - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) - YY_FATAL_ERROR( "flex scanner push-back overflow" ); - } - - if ( yy_cp > yy_bp && yy_cp[-1] == '\n' ) - yy_cp[-2] = '\n'; - - *--yy_cp = c; - - /* note: the formal parameter *must* be called "yy_bp" for this - * macro to now work correctly - */ - YY_DO_BEFORE_ACTION; /* set up yytext again */ - } - - -#ifdef __cplusplus -static int yyinput() -#else -static int input() -#endif - - { - int c; - YY_CHAR *yy_cp = yy_c_buf_p; - - *yy_cp = yy_hold_char; - - if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) - { - /* yy_c_buf_p now points to the character we want to return. - * If this occurs *before* the EOB characters, then it's a - * valid NUL; if not, then we've hit the end of the buffer. - */ - if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) - /* this was really a NUL */ - *yy_c_buf_p = '\0'; - - else - { /* need more input */ - yytext = yy_c_buf_p; - ++yy_c_buf_p; - - switch ( yy_get_next_buffer() ) - { - case EOB_ACT_END_OF_FILE: - { - if ( yywrap() ) - { - yy_c_buf_p = yytext + YY_MORE_ADJ; - return ( EOF ); - } - - YY_NEW_FILE; - -#ifdef __cplusplus - return ( yyinput() ); -#else - return ( input() ); -#endif - } - break; - - case EOB_ACT_CONTINUE_SCAN: - yy_c_buf_p = yytext + YY_MORE_ADJ; - break; - - case EOB_ACT_LAST_MATCH: -#ifdef __cplusplus - YY_FATAL_ERROR( "unexpected last match in yyinput()" ); -#else - YY_FATAL_ERROR( "unexpected last match in input()" ); -#endif - } - } - } - - c = *yy_c_buf_p; - yy_hold_char = *++yy_c_buf_p; - - return ( c ); - } - - -#ifdef YY_USE_PROTOS -void yyrestart( FILE *input_file ) -#else -void yyrestart( input_file ) -FILE *input_file; -#endif - - { - yy_init_buffer( yy_current_buffer, input_file ); - yy_load_buffer_state(); - } - - -#ifdef YY_USE_PROTOS -void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) -#else -void yy_switch_to_buffer( new_buffer ) -YY_BUFFER_STATE new_buffer; -#endif - - { - if ( yy_current_buffer == new_buffer ) - return; - - if ( yy_current_buffer ) - { - /* flush out information for old buffer */ - *yy_c_buf_p = yy_hold_char; - yy_current_buffer->yy_buf_pos = yy_c_buf_p; - yy_current_buffer->yy_n_chars = yy_n_chars; - } - - yy_current_buffer = new_buffer; - yy_load_buffer_state(); - - /* we don't actually know whether we did this switch during - * EOF (yywrap()) processing, but the only time this flag - * is looked at is after yywrap() is called, so it's safe - * to go ahead and always set it. - */ - yy_did_buffer_switch_on_eof = 1; - } - - -#ifdef YY_USE_PROTOS -void yy_load_buffer_state( void ) -#else -void yy_load_buffer_state() -#endif - - { - yy_n_chars = yy_current_buffer->yy_n_chars; - yytext = yy_c_buf_p = yy_current_buffer->yy_buf_pos; - yyin = yy_current_buffer->yy_input_file; - yy_hold_char = *yy_c_buf_p; - } - - -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) -#else -YY_BUFFER_STATE yy_create_buffer( file, size ) -FILE *file; -int size; -#endif - - { - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) ); - - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - b->yy_buf_size = size; - - /* yy_ch_buf has to be 2 characters longer than the size given because - * we need to put in 2 end-of-buffer characters. - */ - b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) ); - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); - - yy_init_buffer( b, file ); - - return ( b ); - } - - -#ifdef YY_USE_PROTOS -void yy_delete_buffer( YY_BUFFER_STATE b ) -#else -void yy_delete_buffer( b ) -YY_BUFFER_STATE b; -#endif - - { - if ( b == yy_current_buffer ) - yy_current_buffer = (YY_BUFFER_STATE) 0; - - free( (char *) b->yy_ch_buf ); - free( (char *) b ); - } - - -#ifdef YY_USE_PROTOS -void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) -#else -void yy_init_buffer( b, file ) -YY_BUFFER_STATE b; -FILE *file; -#endif - - { - b->yy_input_file = file; - - /* we put in the '\n' and start reading from [1] so that an - * initial match-at-newline will be true. - */ - - b->yy_ch_buf[0] = '\n'; - b->yy_n_chars = 1; - - /* we always need two end-of-buffer characters. The first causes - * a transition to the end-of-buffer state. The second causes - * a jam in that state. - */ - b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; - b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR; - - b->yy_buf_pos = &b->yy_ch_buf[1]; - - b->yy_eof_status = EOF_NOT_SEEN; - } -# line 178 "scan.l" - - - - -/* This is the way to get multiple files input into lex. */ - -int -yywrap() -{ - if (!open_new_file ()) return (1); /* EOF on standard in. */ - return (0); /* We have more input. */ -} |
