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flexs237.zoo
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flex.skel
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1991-04-10
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850 lines
/* A lexical scanner generated by flex */
/* scanner skeleton version:
* $Header: /usr/fsys/odin/a/vern/flex/RCS/flex.skel,v 2.16 90/08/03 14:09:36 vern 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
#ifdef atarist
#include <stdlib.h>
#include <string.h>
#include <memory.h>
int _yyread(int fd, char *buf, int size);
#define YY_INPUT(buf,result,max_size) \
if ( (result = _yyread( fileno(yyin), (char *) buf, max_size )) < 0 ) \
YY_FATAL_ERROR( "read() in flex scanner failed" );
#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".
*/
#ifndef YY_INPUT
#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" );
#endif
#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;
%% section 1 definitions go here
/* done after the current pattern has been matched and before the
* corresponding action - sets up yytext
*/
#define YY_DO_BEFORE_ACTION \
yytext = yy_bp; \
%% code to fiddle yytext and yyleng for yymore() goes here
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;
%% data tables for the DFA go here
/* 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;
%% user's declarations go here
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 */
{
%% yymore()-related code goes here
yy_cp = yy_c_buf_p;
/* support of yytext */
*yy_cp = yy_hold_char;
/* yy