📄 lex.yy.c
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/* 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>
/* 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 */
#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)
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
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 62
#define YY_END_OF_BUFFER 63
static yyconst short int yy_accept[116] =
{ 0,
0, 0, 0, 0, 0, 0, 63, 49, 42, 43,
41, 48, 38, 21, 22, 30, 28, 18, 29, 27,
31, 46, 19, 20, 34, 32, 36, 45, 23, 24,
45, 45, 45, 45, 45, 45, 45, 45, 45, 45,
45, 45, 25, 39, 26, 60, 62, 60, 60, 58,
57, 56, 47, 44, 46, 40, 35, 33, 37, 45,
45, 45, 8, 45, 45, 45, 45, 2, 10, 45,
45, 12, 45, 7, 45, 45, 45, 61, 59, 0,
53, 0, 51, 50, 52, 45, 45, 45, 11, 6,
45, 9, 14, 45, 45, 16, 45, 55, 0, 45,
45, 4, 45, 3, 17, 45, 54, 1, 13, 45,
5, 45, 45, 15, 0
} ;
static yyconst int 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, 4, 1, 5, 1, 1, 1, 6, 1, 7,
8, 9, 10, 11, 12, 13, 14, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 16, 17, 18,
19, 20, 1, 1, 21, 21, 21, 21, 21, 21,
21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
22, 23, 24, 1, 25, 1, 26, 27, 28, 29,
30, 31, 21, 32, 33, 21, 34, 35, 21, 36,
37, 38, 21, 39, 40, 41, 42, 43, 44, 21,
45, 21, 46, 47, 48, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[49] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 2, 1, 1, 1, 1, 1,
2, 1, 1, 1, 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 yyconst short int yy_base[119] =
{ 0,
0, 0, 46, 47, 48, 49, 139, 140, 140, 140,
140, 140, 140, 140, 140, 124, 140, 140, 140, 140,
128, 121, 116, 140, 38, 140, 115, 0, 140, 140,
94, 93, 94, 27, 22, 34, 100, 96, 97, 36,
101, 94, 140, 140, 140, 140, 140, 106, 110, 140,
140, 80, 140, 140, 103, 140, 140, 140, 140, 0,
78, 85, 0, 74, 84, 73, 75, 0, 0, 69,
74, 0, 78, 0, 68, 66, 71, 140, 140, 73,
84, 87, 140, 140, 140, 75, 74, 69, 0, 0,
70, 0, 0, 61, 64, 0, 58, 140, 77, 46,
56, 0, 39, 0, 0, 49, 140, 0, 0, 41,
0, 32, 31, 0, 140, 121, 123, 64
} ;
static yyconst short int yy_def[119] =
{ 0,
115, 1, 116, 116, 117, 117, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 118, 115, 115,
118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
118, 118, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 118,
118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
118, 118, 118, 118, 118, 118, 118, 115, 115, 115,
115, 115, 115, 115, 115, 118, 118, 118, 118, 118,
118, 118, 118, 118, 118, 118, 118, 115, 115, 118,
118, 118, 118, 118, 118, 118, 115, 118, 118, 118,
118, 118, 118, 118, 0, 115, 115, 115
} ;
static yyconst short int yy_nxt[189] =
{ 0,
8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 8, 30, 8, 31, 32, 28, 33, 34,
35, 28, 36, 28, 37, 38, 39, 28, 28, 28,
40, 28, 41, 42, 28, 43, 44, 45, 47, 47,
47, 47, 51, 51, 48, 48, 57, 58, 66, 49,
49, 64, 65, 67, 68, 60, 114, 73, 113, 69,
52, 52, 74, 112, 80, 80, 80, 80, 111, 110,
75, 80, 80, 80, 81, 80, 80, 80, 80, 109,
108, 107, 106, 105, 82, 98, 104, 103, 102, 101,
100, 99, 83, 97, 96, 95, 98, 94, 93, 92,
91, 90, 89, 88, 87, 84, 86, 55, 79, 78,
85, 46, 46, 50, 50, 77, 76, 72, 71, 70,
63, 62, 61, 59, 56, 55, 54, 53, 115, 7,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115
} ;
static yyconst short int yy_chk[189] =
{ 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, 3, 4,
5, 6, 5, 6, 3, 4, 25, 25, 35, 3,
4, 34, 34, 35, 36, 118, 113, 40, 112, 36,
5, 6, 40, 110, 80, 80, 80, 80, 106, 103,
40, 52, 52, 52, 52, 81, 81, 81, 81, 101,
100, 99, 97, 95, 52, 80, 94, 91, 88, 87,
86, 82, 52, 77, 76, 75, 81, 73, 71, 70,
67, 66, 65, 64, 62, 52, 61, 55, 49, 48,
52, 116, 116, 117, 117, 42, 41, 39, 38, 37,
33, 32, 31, 27, 23, 22, 21, 16, 7, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115
} ;
static yy_state_type yy_last_accepting_state;
static 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
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "tiger.lex"
#define INITIAL 0
#line 2 "tiger.lex"
#include <string.h>
#include "util.h"
#include "tokens.h"
#include "errormsg.h"
#define MAX_STR_CONST 200
int charPos=1;
int end_comment=0;
int begin_comment=0;
char str[MAX_STR_CONST]={""};
int strsize,i;
char *temp,ch;
int yywrap(void)
{
charPos=1;
return 1;
}
void adjust(void)
{
EM_tokPos=charPos;
charPos+=yyleng;
}
/* Lex Definitions: */
#define COMMENT 1
#define STR 2
#line 472 "lex.yy.c"
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap YY_PROTO(( void ));
#else
extern int yywrap YY_PROTO(( void ));
#endif
#endif
#ifndef YY_NO_UNPUT
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