?? lex.yy.c
字號(hào):
/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
*/
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#include <stdio.h>
#include <unistd.h>
/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif
#ifdef __cplusplus
#include <stdlib.h>
/* Use prototypes in function declarations. */
#define YY_USE_PROTOS
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
#if __STDC__
#define YY_USE_PROTOS
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef __TURBOC__
#pragma warn -rch
#pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#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 yy_start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START ((yy_start - 1) / 2)
#define YYSTATE YY_START
/* 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 yyrestart( yyin )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#define YY_BUF_SIZE 16384
typedef struct yy_buffer_state *YY_BUFFER_STATE;
extern int yyleng;
extern FILE *yyin, *yyout;
#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 )
* yyless( 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 yyless() call.
*/
/* 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_RESTORE_YY_MORE_OFFSET \
yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, yytext_ptr )
/* The following is because we cannot portably get our hands on size_t
* (without autoconf's help, which isn't available because we want
* flex-generated scanners to compile on their own).
*/
typedef unsigned int yy_size_t;
struct yy_buffer_state
{
FILE *yy_input_file;
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
yy_size_t yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
int yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* 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 yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_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 yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
static YY_BUFFER_STATE yy_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 yy_current_buffer
/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;
static int yy_n_chars; /* number of characters read into yy_ch_buf */
int yyleng;
/* Points to current character in buffer. */
static char *yy_c_buf_p = (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;
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 ));
void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
#define FLEX_DEBUG
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
#define FLEX_DEBUG
extern char *yytext;
#define yytext_ptr yytext
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 yy_fatal_error YY_PROTO(( yyconst char msg[] ));
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
yytext_ptr = yy_bp; \
yyleng = (int) (yy_cp - yy_bp); \
yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 72
#define YY_END_OF_BUFFER 73
static yyconst short int yy_accept[187] =
{ 0,
0, 0, 73, 71, 69, 70, 71, 53, 60, 63,
57, 44, 55, 46, 62, 45, 43, 61, 54, 48,
50, 40, 40, 40, 40, 40, 40, 40, 40, 40,
40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
40, 51, 58, 66, 68, 0, 0, 67, 64, 65,
47, 0, 45, 41, 52, 56, 49, 40, 40, 40,
40, 40, 40, 40, 6, 40, 40, 40, 40, 40,
40, 40, 16, 17, 40, 40, 40, 40, 22, 23,
40, 40, 40, 40, 40, 40, 34, 40, 40, 40,
40, 40, 42, 59, 1, 40, 40, 40, 40, 5,
40, 40, 9, 40, 40, 12, 40, 40, 40, 19,
20, 21, 40, 40, 40, 40, 40, 32, 40, 40,
40, 37, 40, 40, 40, 40, 3, 40, 40, 8,
40, 27, 40, 40, 15, 40, 40, 40, 40, 40,
40, 40, 33, 35, 40, 40, 39, 2, 26, 4,
40, 40, 40, 40, 18, 40, 40, 40, 40, 40,
40, 36, 38, 7, 10, 40, 40, 40, 25, 40,
40, 30, 31, 40, 13, 40, 40, 40, 29, 11,
14, 40, 40, 24, 28, 0
} ;
static yyconst int yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 2, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 1, 1, 1, 1, 1, 1, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 14, 15, 16,
17, 18, 1, 1, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
28, 35, 36, 37, 38, 39, 40, 41, 42, 28,
43, 1, 44, 45, 1, 1, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
33, 34, 28, 35, 36, 37, 38, 39, 40, 41,
42, 28, 46, 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 yyconst int yy_meta[47] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 2, 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, 1
} ;
static yyconst short int yy_base[189] =
{ 0,
0, 0, 193, 194, 194, 194, 188, 184, 194, 183,
194, 194, 171, 177, 194, 36, 170, 194, 33, 194,
169, 20, 162, 29, 26, 24, 30, 151, 0, 34,
164, 149, 34, 36, 45, 158, 157, 43, 147, 159,
48, 194, 194, 194, 194, 173, 172, 194, 194, 194,
194, 162, 59, 194, 194, 194, 194, 0, 152, 138,
147, 135, 138, 130, 128, 131, 144, 128, 134, 128,
130, 124, 0, 0, 140, 137, 128, 120, 0, 0,
130, 134, 121, 56, 116, 129, 0, 117, 113, 114,
121, 110, 142, 132, 0, 125, 116, 119, 105, 0,
108, 116, 0, 115, 114, 96, 114, 101, 110, 0,
0, 0, 109, 102, 57, 97, 106, 0, 96, 104,
99, 0, 95, 98, 81, 90, 0, 84, 83, 0,
84, 0, 99, 80, 0, 86, 80, 91, 90, 77,
76, 91, 0, 0, 79, 85, 0, 0, 0, 0,
74, 74, 70, 77, 0, 63, 80, 79, 81, 77,
61, 0, 0, 0, 78, 74, 62, 67, 0, 55,
58, 0, 0, 58, 0, 55, 50, 49, 0, 0,
0, 60, 58, 0, 0, 194, 90, 77
} ;
static yyconst short int yy_def[189] =
{ 0,
186, 1, 186, 186, 186, 186, 187, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 186, 186, 186, 186, 187, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 186, 186, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 188, 188, 188, 188, 188,
188, 188, 188, 188, 188, 0, 186, 186
} ;
static yyconst short int yy_nxt[241] =
{ 0,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 29, 29, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
29, 29, 42, 43, 44, 45, 52, 62, 53, 55,
56, 59, 64, 66, 60, 67, 69, 73, 65, 79,
77, 63, 70, 82, 68, 74, 78, 71, 86, 52,
80, 53, 81, 91, 92, 87, 116, 139, 58, 83,
185, 140, 184, 183, 88, 182, 181, 180, 179, 117,
46, 46, 178, 177, 176, 175, 174, 173, 172, 171,
170, 169, 168, 167, 166, 165, 164, 163, 162, 161,
160, 159, 158, 157, 156, 155, 154, 153, 152, 151,
150, 149, 148, 147, 146, 145, 144, 143, 142, 141,
138, 137, 136, 135, 134, 133, 132, 131, 130, 129,
128, 127, 126, 125, 94, 46, 124, 123, 122, 121,
120, 119, 118, 115, 114, 113, 112, 111, 110, 109,
108, 107, 106, 105, 104, 103, 102, 101, 100, 99,
98, 97, 96, 95, 94, 46, 93, 90, 89, 85,
84, 76, 75, 72, 61, 57, 54, 51, 50, 49,
48, 47, 186, 3, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186
} ;
static yyconst short int yy_chk[241] =
{ 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, 16, 24, 16, 19,
19, 22, 25, 26, 22, 26, 27, 30, 25, 34,
33, 24, 27, 35, 26, 30, 33, 27, 38, 53,
34, 53, 34, 41, 41, 38, 84, 115, 188, 35,
183, 115, 182, 178, 38, 177, 176, 174, 171, 84,
187, 187, 170, 168, 167, 166, 165, 161, 160, 159,
158, 157, 156, 154, 153, 152, 151, 146, 145, 142,
141, 140, 139, 138, 137, 136, 134, 133, 131, 129,
128, 126, 125, 124, 123, 121, 120, 119, 117, 116,
114, 113, 109, 108, 107, 106, 105, 104, 102, 101,
99, 98, 97, 96, 94, 93, 92, 91, 90, 89,
88, 86, 85, 83, 82, 81, 78, 77, 76, 75,
72, 71, 70, 69, 68, 67, 66, 65, 64, 63,
62, 61, 60, 59, 52, 47, 46, 40, 39, 37,
36, 32, 31, 28, 23, 21, 17, 14, 13, 10,
8, 7, 3, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
186, 186, 186, 186, 186, 186, 186, 186, 186, 186
} ;
static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;
extern int yy_flex_debug;
int yy_flex_debug = 1;
static yyconst short int yy_rule_linenum[72] =
{ 0,
46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
66, 67, 68, 69, 70, 71, 72, 73, 74, 75,
76, 77, 78, 79, 80, 81, 82, 83, 84, 86,
88, 90, 91, 92, 93, 94, 95, 96, 97, 98,
99, 100, 101, 102, 103, 104, 105, 106, 107, 108,
109, 110, 111, 112, 113, 114, 116, 117, 136, 138,
140
} ;
/* 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
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "pascal.l.txt"
#define INITIAL 0
#line 2 "pascal.l.txt"
/*
* scan.l
*
* lex input file for pascal scanner
*
* extensions: to ways to spell "external" and "->" ok for "^".
*/
#include <stdio.h>
#include "y.tab.h"
int line_no = 1;
#line 506 "lex.yy.c"
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