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calc.lex.c
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#line 2 "calc.lex.c"
#line 4 "calc.lex.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 5
#define YY_FLEX_SUBMINOR_VERSION 35
#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;
typedef uint64_t flex_uint64_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;
#endif /* ! C99 */
/* 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 /* ! 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
#define YY_BUF_SIZE 16384
#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
/* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
* access to the local variable yy_act. Since yyless() is a macro, it would break
* existing scanners that call yyless() from OUTSIDE yylex.
* One obvious solution it to make yy_act a global. I tried that, and saw
* a 5% performance hit in a non-yylineno scanner, because yy_act is
* normally declared as a register variable-- so it is not worth it.
*/
#define YY_LESS_LINENO(n) \
do { \
yy_size_t yyl;\
for ( yyl = n; yyl < yyleng; ++yyl )\
if ( yytext[yyl] == '\n' )\
--yylineno;\
}while(0)
/* 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.
*/
yy_size_t 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 yy_size_t 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 */
#define yywrap(n) 1
#define YY_SKIP_YYWRAP
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;
#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 );
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 = (yy_size_t) (yy_cp - yy_bp); \
(yy_hold_char) = *yy_cp; \
*yy_cp = '\0'; \
(yy_c_buf_p) = yy_cp;
#define YY_NUM_RULES 44
#define YY_END_OF_BUFFER 45
/* 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[115] =
{ 0,
0, 0, 45, 43, 40, 42, 17, 18, 11, 9,
15, 10, 43, 12, 38, 16, 20, 13, 19, 36,
43, 36, 36, 36, 36, 36, 36, 36, 36, 36,
36, 14, 38, 39, 37, 38, 0, 24, 21, 22,
23, 36, 41, 36, 36, 29, 36, 36, 36, 36,
36, 25, 36, 36, 7, 36, 36, 36, 36, 36,
36, 39, 37, 0, 0, 38, 36, 36, 30, 6,
36, 4, 5, 36, 32, 36, 33, 36, 36, 36,
36, 36, 36, 0, 37, 36, 36, 36, 8, 27,
36, 31, 26, 36, 36, 6, 36, 36, 34, 1,
28, 36, 36, 35, 6, 36, 36, 36, 3, 36,
36, 36, 2, 0
} ;
static yyconst flex_int32_t 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, 2, 1, 1, 1, 1, 1, 1, 1, 4,
5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
12, 15, 12, 12, 12, 12, 12, 1, 16, 17,
18, 19, 1, 1, 20, 20, 20, 20, 21, 20,
20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
1, 22, 1, 1, 1, 1, 23, 24, 25, 26,
27, 28, 29, 30, 31, 20, 20, 32, 20, 33,
34, 35, 36, 37, 38, 39, 40, 20, 41, 42,
43, 20, 1, 44, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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 flex_int32_t yy_meta[45] =
{ 0,
1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
1, 3, 3, 3, 3, 1, 1, 1, 1, 3,
3, 1, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 1
} ;
static yyconst flex_int16_t yy_base[117] =
{ 0,
0, 0, 183, 184, 184, 184, 184, 184, 184, 184,
184, 184, 33, 171, 39, 184, 37, 163, 162, 0,
176, 146, 30, 45, 149, 31, 31, 140, 145, 136,
143, 184, 58, 0, 68, 0, 79, 184, 184, 184,
184, 0, 184, 145, 72, 0, 148, 156, 154, 130,
132, 0, 128, 136, 0, 130, 132, 125, 134, 137,
128, 0, 93, 103, 109, 113, 135, 117, 0, 129,
114, 0, 0, 127, 0, 114, 0, 113, 118, 111,
116, 119, 114, 117, 121, 82, 84, 72, 0, 0,
70, 0, 0, 76, 75, 60, 125, 74, 0, 0,
0, 68, 75, 129, 0, 46, 37, 37, 0, 41,
37, 18, 0, 184, 47, 144
} ;
static yyconst flex_int16_t yy_def[117] =
{ 0,
114, 1, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 115,
114, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 114, 114, 116, 114, 15, 114, 114, 114, 114,
114, 115, 114, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 116, 114, 114, 114, 114, 115, 115, 115, 115,
115, 115, 115, 115, 115, 115, 115, 115, 115, 115,
115, 115, 115, 114, 114, 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, 0, 114, 114
} ;
static yyconst flex_int16_t yy_nxt[229] =
{ 0,
4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 15, 15, 15, 16, 17, 18, 19, 20,
20, 21, 20, 20, 22, 23, 24, 20, 20, 20,
25, 26, 20, 20, 27, 20, 20, 28, 29, 30,
31, 20, 20, 32, 33, 33, 33, 33, 35, 42,
36, 36, 36, 36, 38, 39, 45, 48, 49, 37,
113, 53, 56, 46, 54, 37, 47, 57, 55, 33,
33, 33, 33, 112, 111, 110, 50, 109, 37, 63,
63, 63, 63, 108, 37, 65, 51, 65, 64, 102,
66, 66, 66, 66, 64, 68, 103, 107, 106, 69,
105, 101, 100, 70, 63, 63, 63, 63, 99, 84,
98, 84, 97, 64, 85, 85, 85, 85, 96, 64,
66, 66, 66, 66, 66, 66, 66, 66, 85, 85,
85, 85, 85, 85, 85, 85, 104, 104, 104, 104,
104, 104, 104, 104, 62, 95, 62, 94, 93, 92,
91, 89, 55, 90, 89, 88, 87, 86, 83, 82,
81, 80, 79, 78, 77, 76, 75, 74, 73, 72,
71, 67, 61, 60, 59, 58, 52, 44, 43, 41,
40, 34, 114, 3, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114
} ;
static yyconst flex_int16_t yy_chk[229] =
{ 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, 13, 13, 13, 13, 15, 115,
15, 15, 15, 15, 17, 17, 23, 24, 24, 15,
112, 26, 27, 23, 26, 15, 23, 27, 26, 33,
33, 33, 33, 111, 110, 108, 24, 107, 33, 35,
35, 35, 35, 106, 33, 37, 24, 37, 35, 96,
37, 37, 37, 37, 35, 45, 96, 103, 102, 45,
98, 95, 94, 45, 63, 63, 63, 63, 91, 64,
88, 64, 87, 63, 64, 64, 64, 64, 86, 63,
65, 65, 65, 65, 66, 66, 66, 66, 84, 84,
84, 84, 85, 85, 85, 85, 97, 97, 97, 97,
104, 104, 104, 104, 116, 83, 116, 82, 81, 80,
79, 78, 76, 74, 71, 70, 68, 67, 61, 60,
59, 58, 57, 56, 54, 53, 51, 50, 49, 48,
47, 44, 31, 30, 29, 28, 25, 22, 21, 19,
18, 14, 3, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114, 114, 114,
114, 114, 114, 114, 114, 114, 114, 114
} ;
/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[45] =
{ 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 0, 0, };
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 "calc.l"
#define YY_NO_INPUT 1
#line 3 "calc.l"
#include "calc.h"
#include "calc.tab.h"
#include "keywordcode.h"
void yyparse(void);
char inpVal[256];
/* float exponent */
#line 571 "calc.lex.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 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
#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 fwrite( yytext, yyleng, 1, yyout )
#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 = '*'; \
yy_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 break;
#endif
#define YY_RULE_SETUP \
YY_USER_ACTION
/** The main scanner function which does all the work.
*/
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp, *yy_bp;
register int yy_act;
#line 14 "calc.l"
#line 753 "calc.lex.c"
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( );
}
while ( 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
{
register 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 >= 115 )
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] != 184 );
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;
if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
{
yy_size_t yyl;
for ( yyl = 0; yyl < yyleng; ++yyl )
if ( yytext[yyl] == '\n' )
yylineno++;
;
}
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 15 "calc.l"
{ yylval.kwc = key_Usage; return KEYWORD;}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 16 "calc.l"
{ yylval.kwc = key_ClearHistory; return KEYWORD;}
YY_BREAK
case 3:
YY_RULE_SETUP
#line 17 "calc.l"
{ yylval.kwc = key_ClearRaw; return KEYWORD;}
YY_BREAK
case 4:
YY_RULE_SETUP
#line 18 "calc.l"
{ yylval.kwc = key_E12; return KEYWORD;}
YY_BREAK
case 5:
YY_RULE_SETUP
#line 19 "calc.l"
{ yylval.kwc = key_E24; return KEYWORD;}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 20 "calc.l"
{ yylval.kwc = key_Clear; return KEYWORD;}
YY_BREAK
case 7:
YY_RULE_SETUP
#line 21 "calc.l"
{ yylval.kwc = key_List; return KEYWORD;}
YY_BREAK
case 8:
YY_RULE_SETUP
#line 22 "calc.l"
{ yylval.kwc = key_Plot; return KEYWORD;}
YY_BREAK
case 9:
#line 24 "calc.l"
case 10:
#line 25 "calc.l"
case 11:
#line 26 "calc.l"
case 12:
#line 27 "calc.l"
case 13:
#line 28 "calc.l"
case 14:
#line 29 "calc.l"
case 15:
#line 30 "calc.l"
case 16:
#line 31 "calc.l"
case 17:
#line 32 "calc.l"
case 18:
YY_RULE_SETUP
#line 32 "calc.l"
{ return yytext[0]; }
YY_BREAK
/* comparison ops */
case 19:
YY_RULE_SETUP
#line 35 "calc.l"
{ yylval.fn = 1; return CMP; }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 36 "calc.l"
{ yylval.fn = 2; return CMP; }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 37 "calc.l"
{ yylval.fn = 3; return CMP; }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 38 "calc.l"
{ yylval.fn = 4; return CMP; }
YY_BREAK
case 23:
YY_RULE_SETUP
#line 39 "calc.l"
{ yylval.fn = 5; return CMP; }
YY_BREAK
case 24:
YY_RULE_SETUP
#line 40 "calc.l"
{ yylval.fn = 6; return CMP; }
YY_BREAK
/* keywords */
case 25:
YY_RULE_SETUP
#line 44 "calc.l"
{ return IF; }
YY_BREAK
case 26:
YY_RULE_SETUP
#line 45 "calc.l"
{ return THEN; }
YY_BREAK
case 27:
YY_RULE_SETUP
#line 46 "calc.l"
{ return ELSE; }
YY_BREAK
case 28:
YY_RULE_SETUP
#line 47 "calc.l"
{ return WHILE; }
YY_BREAK
case 29:
YY_RULE_SETUP
#line 48 "calc.l"
{ return DO; }
YY_BREAK
case 30:
YY_RULE_SETUP
#line 49 "calc.l"
{ return LET;}
YY_BREAK
/* built in functions */
case 31:
YY_RULE_SETUP
#line 52 "calc.l"
{ yylval.fn = B_sqrt; return FUNC; }
YY_BREAK
case 32:
YY_RULE_SETUP
#line 53 "calc.l"
{ yylval.fn = B_exp; return FUNC; }
YY_BREAK
case 33:
YY_RULE_SETUP
#line 54 "calc.l"
{ yylval.fn = B_log; return FUNC; }
YY_BREAK
case 34:
YY_RULE_SETUP
#line 55 "calc.l"
{ yylval.fn = B_print; return FUNC; }
YY_BREAK
/* debug hack */
case 35:
YY_RULE_SETUP
#line 58 "calc.l"
{ debug = atoi(&yytext[5]); printf("debug set to %d\n", debug); }
YY_BREAK
/* names */
case 36:
YY_RULE_SETUP
#line 61 "calc.l"