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lex.yy.c
executable file
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lex.yy.c
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#line 3 "lex.yy.c"
#define YY_INT_ALIGNED short int
/* A lexical scanner generated by flex */
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 0
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
/* First, we deal with platform-specific or compiler-specific issues. */
/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
/* end standard C headers. */
/* flex integer type definitions */
#ifndef FLEXINT_H
#define FLEXINT_H
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX (4294967295U)
#endif
#endif /* ! C99 */
#endif /* ! FLEXINT_H */
#ifdef __cplusplus
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
/* C99 requires __STDC__ to be defined as 1. */
#if defined (__STDC__)
#define YY_USE_CONST
#endif /* defined (__STDC__) */
#endif /* ! __cplusplus */
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#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. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
* Ditto for the __ia64__ case accordingly.
*/
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif
extern yy_size_t yyleng;
extern FILE *yyin, *yyout;
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
#define YY_LESS_LINENO(n)
#define YY_LINENO_REWIND_TO(ptr)
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
*yy_cp = (yy_hold_char); \
YY_RESTORE_YY_MORE_OFFSET \
(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, (yytext_ptr) )
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
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;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* 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
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
/* 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".
*
* Returns the top of the stack, or NULL.
*/
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
? (yy_buffer_stack)[(yy_buffer_stack_top)] \
: NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
* NULL or when we need an lvalue. For internal use only.
*/
#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
/* 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 */
yy_size_t yyleng;
/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
static int yy_init = 0; /* 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 (FILE *input_file );
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );
YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );
void yy_delete_buffer (YY_BUFFER_STATE b );
void yy_flush_buffer (YY_BUFFER_STATE b );
void yypush_buffer_state (YY_BUFFER_STATE new_buffer );
void yypop_buffer_state (void );
static void yyensure_buffer_stack (void );
static void yy_load_buffer_state (void );
static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );
#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );
YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );
YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len );
void *yyalloc (yy_size_t );
void *yyrealloc (void *,yy_size_t );
void yyfree (void * );
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! YY_CURRENT_BUFFER ){ \
yyensure_buffer_stack (); \
YY_CURRENT_BUFFER_LVALUE = \
yy_create_buffer(yyin,YY_BUF_SIZE ); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! YY_CURRENT_BUFFER ){\
yyensure_buffer_stack (); \
YY_CURRENT_BUFFER_LVALUE = \
yy_create_buffer(yyin,YY_BUF_SIZE ); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
/* Begin user sect3 */
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern int yylineno;
int yylineno = 1;
extern char *yytext;
#ifdef yytext_ptr
#undef yytext_ptr
#endif
#define yytext_ptr yytext
static yy_state_type yy_get_previous_state (void );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
static int yy_get_next_buffer (void );
#if defined(__GNUC__) && __GNUC__ >= 3
__attribute__((__noreturn__))
#endif
static void yy_fatal_error (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 = (size_t) (yy_cp - yy_bp); \
(yy_hold_char) = *yy_cp; \
*yy_cp = '\0'; \
(yy_c_buf_p) = yy_cp;
#define YY_NUM_RULES 40
#define YY_END_OF_BUFFER 41
/* This struct is not used in this scanner,
but its presence is necessary. */
struct yy_trans_info
{
flex_int32_t yy_verify;
flex_int32_t yy_nxt;
};
static yyconst flex_int16_t yy_accept[88] =
{ 0,
0, 0, 41, 39, 1, 2, 12, 39, 39, 14,
15, 7, 5, 6, 36, 8, 37, 13, 18, 9,
20, 34, 34, 34, 34, 34, 34, 34, 34, 34,
16, 39, 17, 1, 23, 11, 0, 36, 0, 0,
0, 36, 37, 35, 19, 22, 21, 34, 34, 34,
27, 34, 34, 34, 24, 34, 34, 34, 10, 38,
0, 36, 0, 0, 0, 4, 35, 34, 34, 34,
34, 34, 30, 34, 34, 3, 33, 32, 25, 34,
34, 28, 34, 29, 31, 26, 0
} ;
static yyconst YY_CHAR yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 4, 1, 1, 1, 1, 5, 6, 7,
8, 9, 10, 1, 11, 12, 13, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 1, 15, 16,
17, 18, 1, 1, 19, 19, 19, 19, 20, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
19, 19, 19, 19, 19, 19, 19, 19, 19, 19,
1, 1, 1, 1, 19, 1, 21, 22, 23, 24,
25, 26, 19, 27, 28, 19, 19, 29, 19, 30,
31, 19, 19, 32, 33, 34, 35, 19, 36, 19,
19, 19, 37, 38, 39, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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 YY_CHAR yy_meta[40] =
{ 0,
1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
1, 3, 1, 4, 1, 1, 1, 1, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 1, 1, 1
} ;
static yyconst flex_uint16_t yy_base[94] =
{ 0,
0, 0, 118, 119, 115, 119, 99, 110, 0, 119,
119, 119, 119, 119, 26, 32, 30, 119, 97, 96,
95, 0, 80, 83, 78, 79, 26, 22, 75, 79,
119, 67, 119, 102, 119, 119, 97, 29, 46, 93,
98, 39, 49, 0, 119, 119, 119, 0, 69, 78,
0, 65, 68, 65, 0, 61, 59, 65, 119, 119,
78, 77, 81, 49, 86, 119, 0, 59, 55, 61,
52, 63, 0, 58, 53, 119, 0, 0, 0, 56,
46, 0, 54, 0, 0, 0, 119, 64, 66, 62,
70, 74, 46
} ;
static yyconst flex_int16_t yy_def[94] =
{ 0,
87, 1, 87, 87, 87, 87, 87, 87, 88, 87,
87, 87, 87, 87, 87, 87, 89, 87, 87, 87,
87, 90, 90, 90, 90, 90, 90, 90, 90, 90,
87, 87, 87, 87, 87, 87, 87, 87, 87, 91,
92, 87, 89, 93, 87, 87, 87, 90, 90, 90,
90, 90, 90, 90, 90, 90, 90, 90, 87, 87,
87, 87, 91, 91, 92, 87, 93, 90, 90, 90,
90, 90, 90, 90, 90, 87, 90, 90, 90, 90,
90, 90, 90, 90, 90, 90, 0, 87, 87, 87,
87, 87, 87
} ;
static yyconst flex_uint16_t yy_nxt[159] =
{ 0,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 22,
22, 23, 24, 25, 26, 27, 22, 28, 22, 22,
22, 22, 22, 29, 22, 30, 31, 32, 33, 38,
40, 42, 38, 43, 41, 39, 53, 55, 39, 67,
39, 56, 38, 39, 54, 61, 61, 64, 39, 62,
42, 76, 43, 39, 37, 48, 37, 37, 44, 44,
63, 63, 63, 63, 65, 65, 65, 65, 86, 85,
84, 83, 82, 81, 80, 79, 78, 77, 66, 64,
62, 62, 75, 74, 73, 72, 71, 70, 69, 68,
66, 64, 60, 34, 59, 58, 57, 52, 51, 50,
49, 47, 46, 45, 36, 35, 34, 87, 3, 87,
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87
} ;
static yyconst flex_int16_t yy_chk[159] =
{ 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, 15,
16, 17, 38, 17, 16, 15, 27, 28, 38, 93,
15, 28, 42, 38, 27, 39, 39, 64, 42, 39,
43, 64, 43, 42, 88, 90, 88, 88, 89, 89,
91, 91, 91, 91, 92, 92, 92, 92, 83, 81,
80, 75, 74, 72, 71, 70, 69, 68, 65, 63,
62, 61, 58, 57, 56, 54, 53, 52, 50, 49,
41, 40, 37, 34, 32, 30, 29, 26, 25, 24,
23, 21, 20, 19, 8, 7, 5, 3, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87
} ;
static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;
extern int yy_flex_debug;
int yy_flex_debug = 0;
/* 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 "scanner.l"
#line 2 "scanner.l"
#include <stdio.h>
#include <stdlib.h>
#include "parser.tab.h"
#include "compiler.h"
extern int LineNo;
/* white space */
/* identifier */
/* exponent */
/* integer */
/* real */
/* character */
/* comment */
#line 542 "lex.yy.c"
#define INITIAL 0
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
#include <unistd.h>
#endif
#ifndef YY_EXTRA_TYPE
#define YY_EXTRA_TYPE void *
#endif
static int yy_init_globals (void );
/* Accessor methods to globals.
These are made visible to non-reentrant scanners for convenience. */
int yylex_destroy (void );
int yyget_debug (void );
void yyset_debug (int debug_flag );
YY_EXTRA_TYPE yyget_extra (void );
void yyset_extra (YY_EXTRA_TYPE user_defined );
FILE *yyget_in (void );
void yyset_in (FILE * _in_str );
FILE *yyget_out (void );
void yyset_out (FILE * _out_str );
yy_size_t yyget_leng (void );
char *yyget_text (void );
int yyget_lineno (void );
void yyset_lineno (int _line_number );
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap (void );
#else
extern int yywrap (void );
#endif
#endif
#ifndef YY_NO_UNPUT
static void yyunput (int c,char *buf_ptr );
#endif
#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int );
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * );
#endif
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput (void );
#else
static int input (void );
#endif
#endif
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#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 do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
#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 ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
{ \
int c = '*'; \
size_t n; \
for ( n = 0; n < max_size && \
(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
buf[n] = (char) c; \
if ( c == '\n' ) \
buf[n++] = (char) c; \
if ( c == EOF && ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
result = n; \
} \
else \
{ \
errno=0; \
while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
{ \
if( errno != EINTR) \
{ \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
break; \
} \
errno=0; \
clearerr(yyin); \
} \
}\
\
#endif
/* 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.
*/
#ifndef yyterminate
#define yyterminate() 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) yy_fatal_error( msg )
#endif
/* end tables serialization structures and prototypes */
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
extern int yylex (void);
#define YY_DECL int yylex (void)
#endif /* !YY_DECL */
/* Code executed at the beginning of each rule, after yytext and yyleng
* 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 /*LINTED*/break;
#endif
#define YY_RULE_SETUP \
YY_USER_ACTION
/** The main scanner function which does all the work.
*/
YY_DECL
{
yy_state_type yy_current_state;
char *yy_cp, *yy_bp;
int yy_act;
if ( !(yy_init) )
{
(yy_init) = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if ( ! (yy_start) )
(yy_start) = 1; /* first start state */
if ( ! yyin )
yyin = stdin;
if ( ! yyout )
yyout = stdout;
if ( ! YY_CURRENT_BUFFER ) {
yyensure_buffer_stack ();
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer(yyin,YY_BUF_SIZE );
}
yy_load_buffer_state( );
}
{
#line 34 "scanner.l"
/* ignore white space */
#line 764 "lex.yy.c"
while ( /*CONSTCOND*/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
{
YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*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 = (int) yy_def[yy_current_state];
if ( yy_current_state >= 88 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
++yy_cp;
}
while ( yy_base[yy_current_state] != 119 );
yy_find_action:
yy_act = yy_accept[yy_current_state];
if ( yy_act == 0 )
{ /* have to back up */
yy_cp = (yy_last_accepting_cpos);
yy_current_state = (yy_last_accepting_state);
yy_act = yy_accept[yy_current_state];
}
YY_DO_BEFORE_ACTION;
do_action: /* This label is used only to access EOF actions. */
switch ( yy_act )
{ /* beginning of action switch */
case 0: /* must back up */
/* 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:
YY_RULE_SETUP
#line 37 "scanner.l"
{ }
YY_BREAK
case 2:
/* rule 2 can match eol */
YY_RULE_SETUP
#line 38 "scanner.l"
{ ++LineNo; }
YY_BREAK
/* comments */
case 3:
/* rule 3 can match eol */
YY_RULE_SETUP
#line 41 "scanner.l"
{
int len = strlen(yytext), i;
for(i = 0; i < len; ++i)
{
if(yytext[i] == '\n')
++LineNo;
}
}
YY_BREAK
case 4:
/* rule 4 can match eol */
YY_RULE_SETUP
#line 49 "scanner.l"
{ ++LineNo; }
YY_BREAK
/* single operators */
case 5:
YY_RULE_SETUP
#line 52 "scanner.l"
{ return (ADD); }
YY_BREAK
case 6:
YY_RULE_SETUP
#line 53 "scanner.l"
{ return (SUB); }
YY_BREAK
case 7:
YY_RULE_SETUP
#line 54 "scanner.l"
{ return (MUL); }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 55 "scanner.l"
{ return (DIV); }
YY_BREAK
case 9:
YY_RULE_SETUP
#line 56 "scanner.l"
{ return (ASSIGN); }
YY_BREAK
case 10:
YY_RULE_SETUP
#line 57 "scanner.l"
{ return (OR); }
YY_BREAK
case 11:
YY_RULE_SETUP
#line 58 "scanner.l"
{ return (AND); }
YY_BREAK
case 12:
YY_RULE_SETUP
#line 59 "scanner.l"
{ return (NOT); }
YY_BREAK
case 13:
YY_RULE_SETUP
#line 60 "scanner.l"
{ return (';'); }
YY_BREAK
case 14:
YY_RULE_SETUP
#line 61 "scanner.l"
{ return ('('); }
YY_BREAK
case 15:
YY_RULE_SETUP
#line 62 "scanner.l"
{ return (')'); }
YY_BREAK
case 16:
YY_RULE_SETUP
#line 63 "scanner.l"
{ return ('{'); }
YY_BREAK
case 17:
YY_RULE_SETUP
#line 64 "scanner.l"
{ return ('}'); }
YY_BREAK
/* comparison operators */
case 18:
YY_RULE_SETUP
#line 67 "scanner.l"
{ return (LESS); }
YY_BREAK
case 19:
YY_RULE_SETUP
#line 68 "scanner.l"
{ return (LE); }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 69 "scanner.l"
{ return (GREAT); }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 70 "scanner.l"
{ return (GE); }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 71 "scanner.l"
{ return (EQ); }
YY_BREAK
case 23:
YY_RULE_SETUP
#line 72 "scanner.l"
{ return (NE); }
YY_BREAK
/* keywords */
case 24:
YY_RULE_SETUP
#line 75 "scanner.l"
{ return (IF); }
YY_BREAK
case 25:
YY_RULE_SETUP
#line 76 "scanner.l"
{ return (ELSE); }
YY_BREAK
case 26:
YY_RULE_SETUP
#line 77 "scanner.l"
{ return (WHILE); }
YY_BREAK
case 27:
YY_RULE_SETUP
#line 78 "scanner.l"
{ return (DO); }
YY_BREAK
case 28:
YY_RULE_SETUP
#line 79 "scanner.l"
{ yylval.a.constval = (struct constvalNode *)malloc(sizeof(struct constvalNode));
strcpy(yylval.a.constval->str, yytext); /*str用于演示用*/
yylval.a.constval->type = BOOL;
memset( &yylval.a.constval->value, 0, sizeof( yylval.a.constval->value) );
yylval.a.constval->value.n = 1;
yylval.a.constval->width = BOOL_WIDTH;
return (CONST);
}
YY_BREAK
case 29:
YY_RULE_SETUP
#line 87 "scanner.l"
{ yylval.a.constval = (struct constvalNode *)malloc(sizeof(struct constvalNode));
strcpy(yylval.a.constval->str, yytext); /*str用于演示用*/
yylval.a.constval->type = BOOL;
memset( &yylval.a.constval->value, 0, sizeof( yylval.a.constval->value) );
yylval.a.constval->value.n = 0;
yylval.a.constval->width = BOOL_WIDTH;
return (CONST);
}
YY_BREAK
case 30:
YY_RULE_SETUP
#line 95 "scanner.l"
{ yylval.a.basic = (struct basicNode *)malloc(sizeof(struct basicNode)); yylval.a.basic->type = INT; return (BASIC); }
YY_BREAK
case 31:
YY_RULE_SETUP
#line 96 "scanner.l"