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/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header: /usr/src/grads/flex-2.4.7/skel.c,v 1.1 1994/09/21 15:11:12 becker 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 <unistd.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__
#define YY_USE_PROTOS
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef __TURBOC__
#define YY_USE_CONST
#endif
#ifndef YY_USE_CONST
#ifndef const
#define const
#endif
#endif
#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
/* 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 NXlex__start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state.
*/
#define YY_START ((NXlex__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". Now included
* only for backward compatibility with previous versions of flex.
*/
#define YY_NEW_FILE NXlex_restart( NXlex_in )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#define YY_BUF_SIZE 16384
typedef struct NXlex__buffer_state *YY_BUFFER_STATE;
extern int NXlex_leng;
extern FILE *NXlex_in, *NXlex_out;
#ifdef __cplusplus
extern "C" {
#endif
extern int NXlex_wrap YY_PROTO(( void ));
#ifdef __cplusplus
}
#endif
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
/* The funky do-while in the following #define is used to turn the definition
* int a single C statement (which needs a semi-colon terminator). This
* avoids problems with code like:
*
* if ( condition_holds )
* NXlex_less( 5 );
* else
* do_something_else();
*
* 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 NXlex_less() call.
*/
/* Return all but the first 'n' matched characters back to the input stream. */
#define NXlex_less(n) \
do \
{ \
/* Undo effects of setting up NXlex_text. */ \
*NXlex__cp = NXlex__hold_char; \
NXlex__c_buf_p = NXlex__cp = NXlex__bp + n - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up NXlex_text again */ \
} \
while ( 0 )
#define unput(c) NXlex_unput( c, NXlex_text_ptr )
struct NXlex__buffer_state
{
FILE *NXlex__input_file;
char *NXlex__ch_buf; /* input buffer */
char *NXlex__buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
int NXlex__buf_size;
/* Number of characters read into NXlex__ch_buf, not including EOB
* characters.
*/
int NXlex__n_chars;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int NXlex__is_interactive;
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int NXlex__fill_buffer;
int NXlex__buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via NXlex_restart()), so that the user can continue scanning by
* just pointing NXlex_in at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
static YY_BUFFER_STATE NXlex__current_buffer = 0;
/* 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 NXlex__current_buffer
/* NXlex__hold_char holds the character lost when NXlex_text is formed. */
static char NXlex__hold_char;
static int NXlex__n_chars; /* number of characters read into NXlex__ch_buf */
int NXlex_leng;
/* Points to current character in buffer. */
static char *NXlex__c_buf_p = (char *) 0;
static int NXlex__init = 1; /* whether we need to initialize */
static int NXlex__start = 0; /* start state number */
/* Flag which is used to allow NXlex_wrap()'s to do buffer switches
* instead of setting up a fresh NXlex_in. A bit of a hack ...
*/
static int NXlex__did_buffer_switch_on_eof;
static void NXlex_unput YY_PROTO(( int c, char *buf_ptr ));
void NXlex_restart YY_PROTO(( FILE *input_file ));
void NXlex__switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void NXlex__load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE NXlex__create_buffer YY_PROTO(( FILE *file, int size ));
void NXlex__delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void NXlex__init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
static int NXlex__start_stack_ptr = 0;
static int NXlex__start_stack_depth = 0;
static int *NXlex__start_stack = 0;
static void NXlex__push_state YY_PROTO(( int new_state ));
static void NXlex__pop_state YY_PROTO(( void ));
static int NXlex__top_state YY_PROTO(( void ));
static void *NXlex__flex_alloc YY_PROTO(( unsigned int ));
static void *NXlex__flex_realloc YY_PROTO(( void *, unsigned int ));
static void NXlex__flex_free YY_PROTO(( void * ));
#define NXlex__new_buffer NXlex__create_buffer
#define INITIAL 0
#define parse 1
#define comment 2
#define token 3
typedef unsigned char YY_CHAR;
typedef int NXlex__state_type;
FILE *NXlex_in = (FILE *) 0, *NXlex_out = (FILE *) 0;
extern char *NXlex_text;
#define NXlex_text_ptr NXlex_text
#ifndef NXlex_text_ptr
static void NXlex__flex_strncpy YY_PROTO(( char *, const char *, int ));
#endif
#ifdef __cplusplus
static int NXlex_input YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif
static NXlex__state_type NXlex__get_previous_state YY_PROTO(( void ));
static NXlex__state_type NXlex__try_NUL_trans YY_PROTO(( NXlex__state_type current_state ));
static int NXlex__get_next_buffer YY_PROTO(( void ));
static void NXlex__fatal_error YY_PROTO(( const char msg[] ));
/* Done after the current pattern has been matched and before the
* corresponding action - sets up NXlex_text.
*/
#define YY_DO_BEFORE_ACTION \
NXlex_text_ptr = NXlex__bp; \
NXlex_leng = NXlex__cp - NXlex__bp; \
NXlex__hold_char = *NXlex__cp; \
*NXlex__cp = '\0'; \
NXlex__c_buf_p = NXlex__cp;
#define YY_END_OF_BUFFER 18
static const short int NXlex__accept[35] =
{ 0,
0, 0, 8, 8, 2, 2, 0, 0, 18, 17,
11, 8, 9, 10, 11, 7, 6, 2, 4, 3,
16, 13, 12, 17, 8, 1, 2, 3, 3, 5,
16, 15, 14, 0
} ;
static const int NXlex__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, 1, 4, 1, 1, 1, 1, 1, 1,
1, 5, 1, 1, 1, 1, 6, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 7, 1,
8, 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, 9, 1, 1, 1, 1, 10, 10, 1, 1,
1, 10, 1, 1, 1, 1, 1, 1, 1, 10,
1, 1, 1, 10, 1, 10, 1, 10, 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, 1, 1,
1, 1, 1, 1, 1
} ;
static const int NXlex__meta[11] =
{ 0,
1, 1, 2, 3, 4, 1, 1, 1, 3, 1
} ;
static const short int NXlex__base[42] =
{ 0,
0, 0, 0, 0, 8, 11, 14, 21, 21, 64,
64, 18, 64, 64, 14, 64, 64, 0, 64, 26,
0, 64, 64, 5, 10, 64, 0, 28, 30, 64,
0, 64, 64, 64, 36, 40, 44, 48, 51, 55,
59
} ;
static const short int NXlex__def[42] =
{ 0,
35, 35, 34, 3, 36, 36, 37, 37, 34, 34,
34, 34, 34, 34, 34, 34, 34, 38, 34, 39,
40, 34, 34, 41, 34, 34, 38, 39, 39, 34,
40, 34, 34, 0, 34, 34, 34, 34, 34, 34,
34
} ;
static const short int NXlex__nxt[75] =
{ 0,
11, 12, 13, 14, 11, 15, 16, 17, 11, 11,
19, 25, 20, 19, 33, 20, 22, 23, 26, 25,
34, 34, 24, 22, 23, 34, 34, 34, 34, 24,
29, 30, 34, 34, 29, 30, 10, 10, 10, 10,
18, 18, 18, 18, 21, 21, 21, 21, 27, 34,
27, 28, 34, 28, 28, 31, 34, 34, 31, 32,
32, 32, 32, 9, 34, 34, 34, 34, 34, 34,
34, 34, 34, 34
} ;
static const short int NXlex__chk[75] =
{ 0,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
5, 25, 5, 6, 24, 6, 7, 7, 15, 12,
9, 0, 7, 8, 8, 0, 0, 0, 0, 8,
20, 20, 28, 28, 29, 29, 35, 35, 35, 35,
36, 36, 36, 36, 37, 37, 37, 37, 38, 0,
38, 39, 0, 39, 39, 40, 0, 0, 40, 41,
41, 41, 41, 34, 34, 34, 34, 34, 34, 34,
34, 34, 34, 34
} ;
static NXlex__state_type NXlex__last_accepting_state;
static char *NXlex__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 NXlex_more() NXlex_more_used_but_not_detected
#define YY_MORE_ADJ 0
char *NXlex_text;
# line 1 "NXStringTable_scan.l"
/* Lex scanner for Objective C NeXT-compatible NXStringTable object
Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
Written by: Adam Fedor <adam@bastille.rmnug.org>
This file is part of the GNU Objective-C Collection library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
# line 24 "NXStringTable_scan.l"
#ifdef HAVE_FLEX
#define YY_DECL int NXtable_scan(FILE *NXscan_in, \
FILE *NXscan_out, const char **buffer)
#endif
#define MAX_STRINGTABLE_LENGTH 1024
#define KEY 1
#define VALUE 2
#define NXlex_terminate() {got = 0; line = 1; return 0;}
#define return_err() {got = 0; line = 1; return -1;}
#define return_ok() {return 1;}
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifdef YY_MALLOC_DECL
YY_MALLOC_DECL
#else
#if __STDC__
#ifndef __cplusplus
#include <stdlib.h>
#endif
#else
/* Just try to get by without declaring the routines. This will fail
* miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
* or sizeof(void*) != sizeof(int).
*/
#endif
#endif
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO (void) fwrite( NXlex_text, NXlex_leng, 1, NXlex_out )
#endif
/* 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 ( NXlex__current_buffer->NXlex__is_interactive ) \
{ \
int c = getc( NXlex_in ); \
result = c == EOF ? 0 : 1; \
buf[0] = (char) c; \
} \
else if ( ((result = fread( buf, 1, max_size, NXlex_in )) == 0) \
&& ferror( NXlex_in ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" );
#endif
/* No semi-colon after return; correct usage is to write "NXlex_terminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef NXlex_terminate
#define NXlex_terminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) NXlex__fatal_error( msg )
#endif
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL int NXlex_lex YY_PROTO(( void ))
#endif
/* Code executed at the beginning of each rule, after NXlex_text and NXlex_leng
* have been set up.
*/
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif
YY_DECL
{
register NXlex__state_type NXlex__current_state;
register char *NXlex__cp, *NXlex__bp;
register int NXlex__act;
# line 43 "NXStringTable_scan.l"
/* Lexical initialization - This gets executed before any analysis */
char string_buf[MAX_STRINGTABLE_LENGTH];
char *string_buf_ptr;
static int got; /* Holds the type of token we just got */
static int line;
#ifndef HAVE_FLEX
extern FILE *NXscan_in;
extern FILE *NXscan_out;
extern char *NXscan_string;
#endif
if (NXlex_in != NXscan_in || line <= 1) { /* Reset */
got = 0;
line= 1;
/* ifdef's can't start in column 1 in this part of the lex file */
#ifdef FLEX_SCANNER
NXlex_restart(NXscan_in);
#else
/* FIXME: This is a horrible hack to get lex to reset itself at the
beggining of a new file. (And it still doesn't work right) */
NXlex_sptr = NXlex_sbuf;
NXlex_in = NXscan_in;
#endif
}
NXlex_out = NXscan_out;
#ifdef HAVE_FLEX
*buffer = string_buf;
#else
NXscan_string = string_buf;
#endif
BEGIN(parse);
if ( NXlex__init )
{
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if ( ! NXlex__start )
NXlex__start = 1; /* first start state */
if ( ! NXlex_in )
NXlex_in = stdin;
if ( ! NXlex_out )
NXlex_out = stdout;
if ( NXlex__current_buffer )
NXlex__init_buffer( NXlex__current_buffer, NXlex_in );
else
NXlex__current_buffer =
NXlex__create_buffer( NXlex_in, YY_BUF_SIZE );
NXlex__load_buffer_state();
NXlex__init = 0;
}
while ( 1 ) /* loops until end-of-file is reached */
{
NXlex__cp = NXlex__c_buf_p;
/* Support of NXlex_text. */
*NXlex__cp = NXlex__hold_char;
/* NXlex__bp points to the position in NXlex__ch_buf of the start of
* the current run.
*/
NXlex__bp = NXlex__cp;
NXlex__current_state = NXlex__start;
NXlex__match:
do
{
register YY_CHAR NXlex__c = NXlex__ec[YY_SC_TO_UI(*NXlex__cp)];
if ( NXlex__accept[NXlex__current_state] )
{
NXlex__last_accepting_state = NXlex__current_state;
NXlex__last_accepting_cpos = NXlex__cp;
}
while ( NXlex__chk[NXlex__base[NXlex__current_state] + NXlex__c] != NXlex__current_state )
{
NXlex__current_state = (int) NXlex__def[NXlex__current_state];
if ( NXlex__current_state >= 35 )
NXlex__c = NXlex__meta[(unsigned int) NXlex__c];
}
NXlex__current_state = NXlex__nxt[NXlex__base[NXlex__current_state] + (unsigned int) NXlex__c];
++NXlex__cp;
}
while ( NXlex__base[NXlex__current_state] != 64 );
NXlex__find_action:
NXlex__act = NXlex__accept[NXlex__current_state];
YY_DO_BEFORE_ACTION;
do_action: /* This label is used only to access EOF actions. */
switch ( NXlex__act )
{ /* beginning of action switch */
case 0: /* must back up */
/* undo the effects of YY_DO_BEFORE_ACTION */
*NXlex__cp = NXlex__hold_char;
NXlex__cp = NXlex__last_accepting_cpos;
NXlex__current_state = NXlex__last_accepting_state;
goto NXlex__find_action;
case 1:
YY_USER_ACTION
# line 75 "NXStringTable_scan.l"
BEGIN(comment);
YY_BREAK
case 2:
YY_USER_ACTION
# line 77 "NXStringTable_scan.l"
/* eat anything that's not a '*' */;
YY_BREAK
case 3:
YY_USER_ACTION
# line 78 "NXStringTable_scan.l"
/* eat up '*'s not followed by '/'s */;
YY_BREAK
case 4:
YY_USER_ACTION
# line 79 "NXStringTable_scan.l"
line++;
YY_BREAK
case 5:
YY_USER_ACTION
# line 80 "NXStringTable_scan.l"
BEGIN(parse);
YY_BREAK
case YY_STATE_EOF(comment):
# line 81 "NXStringTable_scan.l"
{
/* error - unterminated comment */
fprintf(stderr, "ERROR (NXStringTable): Unterminated comment\n");
return_err();
}
YY_BREAK
case 6:
YY_USER_ACTION
# line 87 "NXStringTable_scan.l"
{
if (!got) {
fprintf(stderr, "\nERROR (NXStringTable): Improper use of = (Expected a key, line %d)\n", line);
return_err();
}
if (got == VALUE) {
fprintf(stderr, "\nERROR (NXStringTable): Improper use of = (Expected a ;, line %d)\n", line);
return_err();
}
}
YY_BREAK
case 7:
YY_USER_ACTION
# line 98 "NXStringTable_scan.l"
{
if (!got) {
fprintf(stderr, "\nERROR (NXStringTable): Improper use of ; (Expected a key, line %d)\n", line);
return_err();
}
if (got == KEY) {
got = 0;
return_ok();
}
got = 0;
}
YY_BREAK
case 8:
YY_USER_ACTION
# line 110 "NXStringTable_scan.l"
/* Eat up white space between tokens */;
YY_BREAK
case 9:
YY_USER_ACTION
# line 112 "NXStringTable_scan.l"
line++;
YY_BREAK
case 10:
YY_USER_ACTION
# line 114 "NXStringTable_scan.l"
{string_buf_ptr = string_buf; BEGIN(token);}
YY_BREAK
case YY_STATE_EOF(parse):
# line 116 "NXStringTable_scan.l"
NXlex_terminate();
YY_BREAK
case 11:
YY_USER_ACTION
# line 118 "NXStringTable_scan.l"
{
fprintf(stderr, "ERROR (NXStringTable): Extra characters in table (line %d)\n", line);
return_err();
}
YY_BREAK
case 12:
YY_USER_ACTION
# line 123 "NXStringTable_scan.l"
{ /* saw closing quote - all done */
BEGIN(parse);
*string_buf_ptr = '\0';
/* return string constant token type and
* value to parser
*/
got++;
if (got == KEY || got == VALUE) {
return_ok();
} else {
fprintf(stderr, "ERROR (NXStringTable): Parse error, line %d \n", line);
return_err();
}
}
YY_BREAK
case 13:
YY_USER_ACTION
# line 138 "NXStringTable_scan.l"
{
/* error - unterminated string constant */
fprintf(stderr, "ERROR (NXStringTable): Unterminated string (line %d)\n", line);
return_err();
}
YY_BREAK
case YY_STATE_EOF(token):
# line 144 "NXStringTable_scan.l"
{
/* error - unterminated string constant */
fprintf(stderr, "ERROR (NXStringTable): Unterminated string (line %d)\n", line);
return_err();
}
YY_BREAK
case 14:
YY_USER_ACTION
# line 150 "NXStringTable_scan.l"
{*string_buf_ptr++='\\';*string_buf_ptr++ = NXlex_text[1];}
YY_BREAK
case 15:
YY_USER_ACTION
# line 152 "NXStringTable_scan.l"
*string_buf_ptr++ = NXlex_text[1];
YY_BREAK
case 16:
YY_USER_ACTION
# line 154 "NXStringTable_scan.l"
{
char *text_ptr = NXlex_text;
if (!text_ptr) {
fprintf(stderr, "ERROR (NXStringTable): internal parse error\n");
break;
}
while ( *text_ptr )
*string_buf_ptr++ = *text_ptr++;
}
YY_BREAK
case 17:
YY_USER_ACTION
# line 164 "NXStringTable_scan.l"
ECHO;
YY_BREAK
case YY_STATE_EOF(INITIAL):
NXlex_terminate();
case YY_END_OF_BUFFER:
{
/* Amount of text matched not including the EOB char. */
int NXlex__amount_of_matched_text = NXlex__cp - NXlex_text_ptr - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*NXlex__cp = NXlex__hold_char;
if ( NXlex__current_buffer->NXlex__buffer_status == YY_BUFFER_NEW )
{
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed NXlex_in at a new source and called
* NXlex_lex(). If so, then we have to assure
* consistency between NXlex__current_buffer and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
NXlex__n_chars = NXlex__current_buffer->NXlex__n_chars;
NXlex__current_buffer->NXlex__input_file = NXlex_in;
NXlex__current_buffer->NXlex__buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for NXlex__c_buf_p "<=" to the position
* of the first EOB in the buffer, since NXlex__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 input().
*/
if ( NXlex__c_buf_p <= &NXlex__current_buffer->NXlex__ch_buf[NXlex__n_chars] )
{ /* This was really a NUL. */
NXlex__state_type NXlex__next_state;
NXlex__c_buf_p = NXlex_text_ptr + NXlex__amount_of_matched_text;
NXlex__current_state = NXlex__get_previous_state();
/* Okay, we're now positioned to make the NUL
* transition. We couldn't have
* NXlex__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).
*/
NXlex__next_state = NXlex__try_NUL_trans( NXlex__current_state );
NXlex__bp = NXlex_text_ptr + YY_MORE_ADJ;
if ( NXlex__next_state )
{
/* Consume the NUL. */
NXlex__cp = ++NXlex__c_buf_p;
NXlex__current_state = NXlex__next_state;
goto NXlex__match;
}
else
{
NXlex__cp = NXlex__c_buf_p;
goto NXlex__find_action;
}
}
else switch ( NXlex__get_next_buffer() )
{
case EOB_ACT_END_OF_FILE:
{
NXlex__did_buffer_switch_on_eof = 0;
if ( NXlex_wrap() )
{
/* Note: because we've taken care in
* NXlex__get_next_buffer() to have set up
* NXlex_text, we can now set up
* NXlex__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.
*/
NXlex__c_buf_p = NXlex_text_ptr + YY_MORE_ADJ;
NXlex__act = YY_STATE_EOF(YY_START);
goto do_action;
}
else
{
if ( ! NXlex__did_buffer_switch_on_eof )
YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
NXlex__c_buf_p =
NXlex_text_ptr + NXlex__amount_of_matched_text;
NXlex__current_state = NXlex__get_previous_state();
NXlex__cp = NXlex__c_buf_p;
NXlex__bp = NXlex_text_ptr + YY_MORE_ADJ;
goto NXlex__match;
case EOB_ACT_LAST_MATCH:
NXlex__c_buf_p =
&NXlex__current_buffer->NXlex__ch_buf[NXlex__n_chars];
NXlex__current_state = NXlex__get_previous_state();
NXlex__cp = NXlex__c_buf_p;
NXlex__bp = NXlex_text_ptr + YY_MORE_ADJ;
goto NXlex__find_action;
}
break;
}
default:
YY_FATAL_ERROR(
"fatal flex scanner internal error--no action found" );
} /* end of action switch */
} /* end of scanning one token */
} /* end of NXlex_lex */
/* NXlex__get_next_buffer - try to read in a new 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 NXlex__get_next_buffer()
{
register char *dest = NXlex__current_buffer->NXlex__ch_buf;
register char *source = NXlex_text_ptr - 1; /* copy prev. char, too */
register int number_to_move, i;
int ret_val;
if ( NXlex__c_buf_p > &NXlex__current_buffer->NXlex__ch_buf[NXlex__n_chars + 1] )
YY_FATAL_ERROR(
"fatal flex scanner internal error--end of buffer missed" );
if ( NXlex__current_buffer->NXlex__fill_buffer == 0 )
{ /* Don't try to fill the buffer, so this is an EOF. */
if ( NXlex__c_buf_p - NXlex_text_ptr - YY_MORE_ADJ == 1 )
{
/* We matched a singled characater, the EOB, so
* treat this as a final EOF.
*/
return EOB_ACT_END_OF_FILE;
}
else
{
/* We matched some text prior to the EOB, first
* process it.
*/
return EOB_ACT_LAST_MATCH;
}
}
/* Try to read more data. */
/* First move last chars to start of buffer. */
number_to_move = NXlex__c_buf_p - NXlex_text_ptr;
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
if ( NXlex__current_buffer->NXlex__buffer_status == YY_BUFFER_EOF_PENDING )
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
NXlex__n_chars = 0;
else
{
int num_to_read =
NXlex__current_buffer->NXlex__buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
{ /* Not enough room in the buffer - grow it. */
#ifdef YY_USES_REJECT
YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
#else
/* just a shorter name for the current buffer */
YY_BUFFER_STATE b = NXlex__current_buffer;
int NXlex__c_buf_p_offset = NXlex__c_buf_p - b->NXlex__ch_buf;
b->NXlex__buf_size *= 2;
b->NXlex__ch_buf = (char *)
NXlex__flex_realloc( (void *) b->NXlex__ch_buf,
b->NXlex__buf_size );
if ( ! b->NXlex__ch_buf )
YY_FATAL_ERROR(
"fatal error - scanner input buffer overflow" );
NXlex__c_buf_p = &b->NXlex__ch_buf[NXlex__c_buf_p_offset];
num_to_read = NXlex__current_buffer->NXlex__buf_size -
number_to_move - 1;
#endif
}
if ( num_to_read > YY_READ_BUF_SIZE )
num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT( (&NXlex__current_buffer->NXlex__ch_buf[number_to_move]),
NXlex__n_chars, num_to_read );
}
if ( NXlex__n_chars == 0 )
{
if ( number_to_move - YY_MORE_ADJ == 1 )
{
ret_val = EOB_ACT_END_OF_FILE;
NXlex_restart( NXlex_in );
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
NXlex__current_buffer->NXlex__buffer_status =
YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
NXlex__n_chars += number_to_move;
NXlex__current_buffer->NXlex__ch_buf[NXlex__n_chars] = YY_END_OF_BUFFER_CHAR;
NXlex__current_buffer->NXlex__ch_buf[NXlex__n_chars + 1] = YY_END_OF_BUFFER_CHAR;
/* NXlex_text begins at the second character in NXlex__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
* NXlex__get_previous_state() will have with '^' rules active.
*/
NXlex_text_ptr = &NXlex__current_buffer->NXlex__ch_buf[1];
return ret_val;
}
/* NXlex__get_previous_state - get the state just before the EOB char was reached */
static NXlex__state_type NXlex__get_previous_state()
{
register NXlex__state_type NXlex__current_state;
register char *NXlex__cp;
NXlex__current_state = NXlex__start;
for ( NXlex__cp = NXlex_text_ptr + YY_MORE_ADJ; NXlex__cp < NXlex__c_buf_p; ++NXlex__cp )
{
register YY_CHAR NXlex__c = (*NXlex__cp ? NXlex__ec[YY_SC_TO_UI(*NXlex__cp)] : 1);
if ( NXlex__accept[NXlex__current_state] )
{
NXlex__last_accepting_state = NXlex__current_state;
NXlex__last_accepting_cpos = NXlex__cp;
}
while ( NXlex__chk[NXlex__base[NXlex__current_state] + NXlex__c] != NXlex__current_state )
{
NXlex__current_state = (int) NXlex__def[NXlex__current_state];
if ( NXlex__current_state >= 35 )
NXlex__c = NXlex__meta[(unsigned int) NXlex__c];
}
NXlex__current_state = NXlex__nxt[NXlex__base[NXlex__current_state] + (unsigned int) NXlex__c];
}
return NXlex__current_state;
}
/* NXlex__try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = NXlex__try_NUL_trans( current_state );
*/
#ifdef YY_USE_PROTOS
static NXlex__state_type NXlex__try_NUL_trans( NXlex__state_type NXlex__current_state )
#else
static NXlex__state_type NXlex__try_NUL_trans( NXlex__current_state )
NXlex__state_type NXlex__current_state;
#endif
{
register int NXlex__is_jam;
register char *NXlex__cp = NXlex__c_buf_p;
register YY_CHAR NXlex__c = 1;
if ( NXlex__accept[NXlex__current_state] )
{
NXlex__last_accepting_state = NXlex__current_state;
NXlex__last_accepting_cpos = NXlex__cp;
}
while ( NXlex__chk[NXlex__base[NXlex__current_state] + NXlex__c] != NXlex__current_state )
{
NXlex__current_state = (int) NXlex__def[NXlex__current_state];
if ( NXlex__current_state >= 35 )
NXlex__c = NXlex__meta[(unsigned int) NXlex__c];
}
NXlex__current_state = NXlex__nxt[NXlex__base[NXlex__current_state] + (unsigned int) NXlex__c];
NXlex__is_jam = (NXlex__current_state == 34);
return NXlex__is_jam ? 0 : NXlex__current_state;
}
#ifdef YY_USE_PROTOS
static void NXlex_unput( int c, register char *NXlex__bp )
#else
static void NXlex_unput( c, NXlex__bp )
int c;
register char *NXlex__bp;
#endif
{
register char *NXlex__cp = NXlex__c_buf_p;
/* undo effects of setting up NXlex_text */
*NXlex__cp = NXlex__hold_char;
if ( NXlex__cp < NXlex__current_buffer->NXlex__ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = NXlex__n_chars + 2;
register char *dest = &NXlex__current_buffer->NXlex__ch_buf[
NXlex__current_buffer->NXlex__buf_size + 2];
register char *source =
&NXlex__current_buffer->NXlex__ch_buf[number_to_move];
while ( source > NXlex__current_buffer->NXlex__ch_buf )
*--dest = *--source;
NXlex__cp += dest - source;
NXlex__bp += dest - source;
NXlex__n_chars = NXlex__current_buffer->NXlex__buf_size;
if ( NXlex__cp < NXlex__current_buffer->NXlex__ch_buf + 2 )
YY_FATAL_ERROR( "flex scanner push-back overflow" );
}
if ( NXlex__cp > NXlex__bp && NXlex__cp[-1] == '\n' )
NXlex__cp[-2] = '\n';
*--NXlex__cp = (char) c;
/* Note: the formal parameter *must* be called "NXlex__bp" for this
* macro to now work correctly.
*/
YY_DO_BEFORE_ACTION; /* set up NXlex_text again */
}
#ifdef __cplusplus
static int NXlex_input()
#else
static int input()
#endif
{
int c;
*NXlex__c_buf_p = NXlex__hold_char;
if ( *NXlex__c_buf_p == YY_END_OF_BUFFER_CHAR )
{
/* NXlex__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 ( NXlex__c_buf_p < &NXlex__current_buffer->NXlex__ch_buf[NXlex__n_chars] )
/* This was really a NUL. */
*NXlex__c_buf_p = '\0';
else
{ /* need more input */
NXlex_text_ptr = NXlex__c_buf_p;
++NXlex__c_buf_p;
switch ( NXlex__get_next_buffer() )
{
case EOB_ACT_END_OF_FILE:
{
if ( NXlex_wrap() )
{
NXlex__c_buf_p =
NXlex_text_ptr + YY_MORE_ADJ;
return EOF;
}
YY_NEW_FILE;
#ifdef __cplusplus
return NXlex_input();
#else
return input();
#endif
}
case EOB_ACT_CONTINUE_SCAN:
NXlex__c_buf_p = NXlex_text_ptr + YY_MORE_ADJ;
break;
case EOB_ACT_LAST_MATCH:
#ifdef __cplusplus
YY_FATAL_ERROR(
"unexpected last match in NXlex_input()" );
#else
YY_FATAL_ERROR(
"unexpected last match in input()" );
#endif
}
}
}
c = *(unsigned char *) NXlex__c_buf_p; /* cast for 8-bit char's */
*NXlex__c_buf_p = '\0'; /* preserve NXlex_text */
NXlex__hold_char = *++NXlex__c_buf_p;
return c;
}
#ifdef YY_USE_PROTOS
void NXlex_restart( FILE *input_file )
#else
void NXlex_restart( input_file )
FILE *input_file;
#endif
{
if ( ! NXlex__current_buffer )
NXlex__current_buffer = NXlex__create_buffer( NXlex_in, YY_BUF_SIZE );
NXlex__init_buffer( NXlex__current_buffer, input_file );
NXlex__load_buffer_state();
}
#ifdef YY_USE_PROTOS
void NXlex__switch_to_buffer( YY_BUFFER_STATE new_buffer )
#else
void NXlex__switch_to_buffer( new_buffer )
YY_BUFFER_STATE new_buffer;
#endif
{
if ( NXlex__current_buffer == new_buffer )
return;
if ( NXlex__current_buffer )
{
/* Flush out information for old buffer. */
*NXlex__c_buf_p = NXlex__hold_char;
NXlex__current_buffer->NXlex__buf_pos = NXlex__c_buf_p;
NXlex__current_buffer->NXlex__n_chars = NXlex__n_chars;
}
NXlex__current_buffer = new_buffer;
NXlex__load_buffer_state();
/* We don't actually know whether we did this switch during
* EOF (NXlex_wrap()) processing, but the only time this flag
* is looked at is after NXlex_wrap() is called, so it's safe
* to go ahead and always set it.
*/
NXlex__did_buffer_switch_on_eof = 1;
}
#ifdef YY_USE_PROTOS
void NXlex__load_buffer_state( void )
#else
void NXlex__load_buffer_state()
#endif
{
NXlex__n_chars = NXlex__current_buffer->NXlex__n_chars;
NXlex_text_ptr = NXlex__c_buf_p = NXlex__current_buffer->NXlex__buf_pos;
NXlex_in = NXlex__current_buffer->NXlex__input_file;
NXlex__hold_char = *NXlex__c_buf_p;
}
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE NXlex__create_buffer( FILE *file, int size )
#else
YY_BUFFER_STATE NXlex__create_buffer( file, size )
FILE *file;
int size;
#endif
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) NXlex__flex_alloc( sizeof( struct NXlex__buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in NXlex__create_buffer()" );
b->NXlex__buf_size = size;
/* NXlex__ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->NXlex__ch_buf = (char *) NXlex__flex_alloc( b->NXlex__buf_size + 2 );
if ( ! b->NXlex__ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in NXlex__create_buffer()" );
NXlex__init_buffer( b, file );
return b;
}
#ifdef YY_USE_PROTOS
void NXlex__delete_buffer( YY_BUFFER_STATE b )
#else
void NXlex__delete_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( b == NXlex__current_buffer )
NXlex__current_buffer = (YY_BUFFER_STATE) 0;
NXlex__flex_free( (void *) b->NXlex__ch_buf );
NXlex__flex_free( (void *) b );
}
#ifdef YY_USE_PROTOS
void NXlex__init_buffer( YY_BUFFER_STATE b, FILE *file )
#else
void NXlex__init_buffer( b, file )
YY_BUFFER_STATE b;
FILE *file;
#endif
{
b->NXlex__input_file = file;
/* We put in the '\n' and start reading from [1] so that an
* initial match-at-newline will be true.
*/
b->NXlex__ch_buf[0] = '\n';
b->NXlex__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->NXlex__ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->NXlex__ch_buf[2] = YY_END_OF_BUFFER_CHAR;
b->NXlex__buf_pos = &b->NXlex__ch_buf[1];
b->NXlex__is_interactive = file ? isatty( fileno(file) ) : 0;
b->NXlex__fill_buffer = 1;
b->NXlex__buffer_status = YY_BUFFER_NEW;
}
#ifdef YY_USE_PROTOS
static void NXlex__push_state( int new_state )
#else
static void NXlex__push_state( new_state )
int new_state;
#endif
{
if ( NXlex__start_stack_ptr >= NXlex__start_stack_depth )
{
int new_size;
NXlex__start_stack_depth += YY_START_STACK_INCR;
new_size = NXlex__start_stack_depth * sizeof( int );
if ( ! NXlex__start_stack )
NXlex__start_stack = (int *) NXlex__flex_alloc( new_size );
else
NXlex__start_stack = (int *) NXlex__flex_realloc(
(void *) NXlex__start_stack, new_size );
if ( ! NXlex__start_stack )
YY_FATAL_ERROR(
"out of memory expanding start-condition stack" );
}
NXlex__start_stack[NXlex__start_stack_ptr++] = YY_START;
BEGIN(new_state);
}
static void NXlex__pop_state()
{
if ( --NXlex__start_stack_ptr < 0 )
YY_FATAL_ERROR( "start-condition stack underflow" );
BEGIN(NXlex__start_stack[NXlex__start_stack_ptr]);
}
static int NXlex__top_state()
{
return NXlex__start_stack[NXlex__start_stack_ptr - 1];
}
#ifdef YY_USE_PROTOS
static void NXlex__fatal_error( const char msg[] )
#else
static void NXlex__fatal_error( msg )
char msg[];
#endif
{
(void) fprintf( stderr, "%s\n", msg );
exit( 1 );
}
/* Redefine NXlex_less() so it works in section 3 code. */
#undef NXlex_less
#define NXlex_less(n) \
do \
{ \
/* Undo effects of setting up NXlex_text. */ \
NXlex_text[NXlex_leng] = NXlex__hold_char; \
NXlex__c_buf_p = NXlex_text + n - YY_MORE_ADJ; \
NXlex__hold_char = *NXlex__c_buf_p; \
*NXlex__c_buf_p = '\0'; \
NXlex_leng = n; \
} \
while ( 0 )
/* Internal utility routines. */
#ifndef NXlex_text_ptr
#ifdef YY_USE_PROTOS
static void NXlex__flex_strncpy( char *s1, const char *s2, int n )
#else
static void NXlex__flex_strncpy( s1, s2, n )
char *s1;
const char *s2;
int n;
#endif
{
register int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
#ifdef YY_USE_PROTOS
static void *NXlex__flex_alloc( unsigned int size )
#else
static void *NXlex__flex_alloc( size )
unsigned int size;
#endif
{
return (void *) malloc( size );
}
#ifdef YY_USE_PROTOS
static void *NXlex__flex_realloc( void *ptr, unsigned int size )
#else
static void *NXlex__flex_realloc( ptr, size )
void *ptr;
unsigned int size;
#endif
{
return (void *) realloc( ptr, size );
}
#ifdef YY_USE_PROTOS
static void NXlex__flex_free( void *ptr )
#else
static void NXlex__flex_free( ptr )
void *ptr;
#endif
{
free( ptr );
}
# line 164 "NXStringTable_scan.l"
int
NXlex_wrap()
{
return 1;
}
#ifdef NEED_MAIN
#ifndef HAVE_FLEX
FILE *NXscan_in;
FILE *NXscan_out;
char *NXscan_string;
#endif
int
main(int argc, char *argv[])
{
FILE *input;
const char *str;
int ok, value = 0;
if (argc > 1) {
if ((input = fopen(argv[1], "r")) == NULL) {
fprintf(stderr, "Error: Couldn't open %s\n", argv[1]);
exit (1);
}
} else
exit(1);
#ifdef HAVE_FLEX
ok = NXtable_scan( input, stdout, &str);
#else
NXscan_in = input;
NXscan_out = stdout;
ok = NXlex_lex();
str = NXscan_string;
#endif
while (ok > 0) {
if (value)
printf("Value: %s\n", str);
else
printf("Key: %s\n", str);
value = ~value;
#ifdef HAVE_FLEX
ok = NXtable_scan( input, stdout, &str);
#else
ok = NXlex_lex();
#endif
}
return 0;
}
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.