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cgal/Circular_kernel_2/benchmark/parser/benchmark_lexer.cpp

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/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Id$
*/
#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)
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 40
#define YY_END_OF_BUFFER 41
static yyconst short int yy_accept[261] =
{ 0,
37, 37, 0, 0, 0, 0, 41, 39, 37, 36,
29, 30, 38, 39, 39, 19, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 28, 40,
35, 32, 29, 30, 33, 34, 37, 0, 19, 20,
20, 0, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
28, 0, 20, 0, 20, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 0, 20, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 4,
26, 26, 26, 26, 26, 26, 23, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 10,
14, 26, 26, 26, 26, 26, 26, 7, 26, 26,
26, 26, 26, 26, 26, 12, 26, 26, 0, 31,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
5, 26, 26, 25, 26, 26, 26, 26, 31, 26,
26, 26, 26, 16, 26, 26, 26, 26, 18, 26,
26, 26, 26, 26, 26, 11, 26, 1, 26, 26,
26, 22, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 21, 26, 26, 26, 26, 26, 26, 26,
9, 0, 27, 26, 6, 8, 2, 26, 15, 26,
26, 27, 13, 26, 26, 3, 26, 17, 24, 0
} ;
static yyconst int yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 1, 4, 5, 1, 1, 1, 1, 6,
7, 1, 8, 9, 8, 10, 1, 11, 12, 13,
14, 11, 11, 11, 11, 11, 11, 1, 1, 1,
1, 1, 1, 1, 15, 16, 17, 18, 19, 20,
21, 21, 22, 21, 23, 24, 25, 26, 27, 28,
29, 30, 31, 32, 33, 34, 35, 21, 36, 21,
37, 37, 37, 1, 38, 1, 39, 40, 41, 42,
43, 44, 45, 46, 47, 21, 48, 49, 50, 51,
52, 21, 21, 53, 54, 55, 56, 21, 21, 21,
57, 21, 37, 1, 37, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[58] =
{ 0,
1, 2, 2, 1, 1, 2, 2, 1, 1, 1,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 2, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3
} ;
static yyconst short int yy_base[265] =
{ 0,
0, 0, 56, 58, 63, 68, 383, 384, 380, 384,
384, 384, 384, 66, 70, 75, 332, 337, 72, 0,
332, 327, 330, 354, 68, 319, 335, 346, 0, 384,
384, 384, 384, 384, 384, 384, 370, 89, 94, 98,
119, 131, 0, 326, 319, 342, 335, 314, 327, 40,
325, 315, 322, 71, 336, 328, 67, 321, 304, 336,
0, 138, 142, 146, 152, 314, 315, 338, 328, 312,
298, 301, 303, 302, 305, 298, 303, 290, 311, 312,
291, 284, 298, 292, 320, 156, 160, 297, 290, 312,
302, 78, 279, 289, 290, 289, 309, 272, 160, 0,
296, 288, 270, 273, 270, 270, 0, 268, 270, 284,
299, 274, 267, 268, 263, 161, 275, 260, 269, 257,
266, 270, 285, 268, 253, 257, 252, 263, 262, 278,
269, 260, 258, 252, 240, 241, 241, 279, 278, 237,
246, 247, 242, 264, 259, 271, 233, 241, 242, 233,
226, 247, 260, 263, 222, 227, 175, 232, 225, 0,
0, 221, 250, 231, 218, 241, 246, 0, 218, 226,
214, 221, 213, 241, 235, 0, 108, 217, 177, 95,
219, 205, 216, 207, 240, 209, 231, 218, 210, 234,
0, 217, 220, 0, 218, 191, 191, 203, 145, 228,
185, 184, 189, 0, 186, 204, 199, 185, 0, 190,
193, 214, 189, 182, 173, 0, 189, 0, 183, 170,
188, 0, 185, 183, 171, 197, 181, 167, 170, 203,
184, 177, 0, 202, 164, 169, 176, 197, 154, 155,
0, 190, 192, 175, 0, 0, 0, 162, 0, 144,
89, 195, 0, 104, 116, 0, 107, 0, 0, 384,
199, 202, 112, 205
} ;
static yyconst short int yy_def[265] =
{ 0,
260, 1, 261, 261, 262, 262, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 264, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
264, 260, 260, 260, 260, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 260, 260, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 260, 260,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 260, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 263, 263, 263, 263, 263, 263, 263, 263, 263,
263, 260, 260, 263, 263, 263, 263, 263, 263, 263,
263, 260, 263, 263, 263, 263, 263, 263, 263, 0,
260, 260, 260, 260
} ;
static yyconst short int yy_nxt[442] =
{ 0,
8, 9, 10, 11, 12, 13, 13, 14, 13, 15,
16, 16, 16, 16, 17, 18, 19, 20, 20, 21,
20, 22, 20, 23, 24, 20, 20, 25, 26, 27,
20, 20, 20, 28, 20, 20, 8, 8, 20, 20,
20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
20, 20, 20, 20, 20, 20, 20, 30, 30, 30,
30, 30, 30, 30, 30, 32, 33, 34, 35, 36,
32, 33, 34, 35, 36, 38, 39, 39, 39, 39,
40, 40, 40, 40, 41, 39, 39, 39, 39, 72,
73, 56, 30, 42, 30, 46, 199, 199, 47, 40,
40, 40, 40, 41, 39, 39, 39, 39, 40, 40,
40, 40, 42, 81, 43, 82, 62, 42, 48, 57,
49, 77, 196, 50, 78, 259, 112, 51, 258, 63,
63, 63, 63, 113, 257, 197, 42, 62, 64, 256,
62, 65, 65, 65, 65, 86, 199, 199, 87, 87,
87, 87, 63, 63, 63, 63, 65, 65, 65, 65,
62, 62, 65, 65, 65, 65, 87, 87, 87, 87,
87, 87, 87, 87, 120, 136, 179, 179, 179, 179,
180, 255, 180, 254, 62, 242, 242, 253, 137, 243,
121, 242, 242, 252, 252, 243, 252, 252, 138, 29,
29, 29, 31, 31, 31, 61, 251, 61, 250, 249,
248, 247, 246, 245, 244, 241, 240, 239, 238, 237,
236, 235, 234, 233, 232, 231, 230, 229, 228, 227,
226, 225, 224, 223, 222, 221, 220, 219, 218, 217,
216, 215, 214, 213, 212, 211, 210, 209, 208, 207,
206, 205, 204, 203, 202, 201, 200, 198, 195, 194,
193, 192, 191, 190, 189, 188, 187, 186, 185, 184,
183, 182, 181, 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, 140, 139, 135, 134, 133, 132, 131, 130, 129,
128, 127, 126, 125, 124, 123, 122, 119, 118, 117,
116, 115, 114, 111, 110, 109, 108, 107, 106, 105,
104, 103, 102, 101, 100, 99, 98, 97, 96, 95,
94, 93, 92, 91, 90, 89, 88, 85, 84, 83,
80, 79, 76, 75, 74, 71, 70, 69, 68, 67,
66, 37, 60, 59, 58, 55, 54, 53, 52, 45,
44, 37, 260, 7, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260
} ;
static yyconst short int yy_chk[442] =
{ 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, 1, 1,
1, 1, 1, 1, 1, 1, 1, 3, 3, 4,
4, 3, 3, 4, 4, 5, 5, 5, 5, 5,
6, 6, 6, 6, 6, 14, 14, 14, 14, 14,
15, 15, 15, 15, 16, 16, 16, 16, 16, 50,
50, 25, 3, 16, 4, 19, 180, 180, 19, 38,
38, 38, 38, 39, 39, 39, 39, 39, 40, 40,
40, 40, 39, 57, 263, 57, 40, 16, 19, 25,
19, 54, 177, 19, 54, 257, 92, 19, 255, 41,
41, 41, 41, 92, 254, 177, 39, 41, 42, 251,
40, 42, 42, 42, 42, 62, 199, 199, 62, 62,
62, 62, 63, 63, 63, 63, 64, 64, 64, 64,
63, 41, 65, 65, 65, 65, 86, 86, 86, 86,
87, 87, 87, 87, 99, 116, 157, 157, 179, 179,
157, 250, 179, 248, 63, 231, 231, 244, 116, 231,
99, 242, 242, 243, 243, 242, 252, 252, 116, 261,
261, 261, 262, 262, 262, 264, 240, 264, 239, 238,
237, 236, 235, 234, 232, 230, 229, 228, 227, 226,
225, 224, 223, 221, 220, 219, 217, 215, 214, 213,
212, 211, 210, 208, 207, 206, 205, 203, 202, 201,
200, 198, 197, 196, 195, 193, 192, 190, 189, 188,
187, 186, 185, 184, 183, 182, 181, 178, 175, 174,
173, 172, 171, 170, 169, 167, 166, 165, 164, 163,
162, 159, 158, 156, 155, 154, 153, 152, 151, 150,
149, 148, 147, 146, 145, 144, 143, 142, 141, 140,
139, 138, 137, 136, 135, 134, 133, 132, 131, 130,
129, 128, 127, 126, 125, 124, 123, 122, 121, 120,
119, 118, 117, 115, 114, 113, 112, 111, 110, 109,
108, 106, 105, 104, 103, 102, 101, 98, 97, 96,
95, 94, 93, 91, 90, 89, 88, 85, 84, 83,
82, 81, 80, 79, 78, 77, 76, 75, 74, 73,
72, 71, 70, 69, 68, 67, 66, 60, 59, 58,
56, 55, 53, 52, 51, 49, 48, 47, 46, 45,
44, 37, 28, 27, 26, 24, 23, 22, 21, 18,
17, 9, 7, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260, 260, 260, 260, 260, 260, 260, 260, 260, 260,
260
} ;
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 "benchmark_lexer.l"
#define INITIAL 0
/**************************************************************************
// Copyright (c) 2004 Max-Planck-Institut Saarbruecken (Germany)
// All rights reserved.
//
// This file is part of BenchmarkParser; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with BenchmarkParser.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Lutz Kettner
**************************************************************************/
#line 21 "benchmark_lexer.l"
#include <string>
#include <list>
#include <iostream>
#include <iomanip>
#include <fstream>
/* Use C++ std::string as semantic value to communicate with lexer */
#define YYSTYPE std::string
#include <benchmark_parser.tab.h> // gets definitions from syntax parser
// Public lexer interface, check with decl. in benchmark_parser.h
// --------------------------------------------------------------
// Current input stream and associated values.
std::istream* benchmark_in = & std::cin;
int benchmark_linenumber = 1;
std::string benchmark_filename( "<cin>");
// Initialize lexer to scan from input stream with name and linenumber.
// The caller is responsible for the lifetime of 'in' that must live
// during the scan.
void benchmark_init_lexer(
std::istream& in, std::string name, int linenumber = 1);
// Reset lexer to clean state.
void benchmark_reset_lexer();
// Writes a trace of the current include file nesting to the 'out' stream.
// Appends the 'fill' string after each file listed.
void benchmark_include_file_trace( std::ostream& out, std::string fill);
// Private lexer interface, all static to keep it local
// ----------------------------------------------------
// Stack of input streams: the item stored in the stack.
struct Include_stack_item {
std::istream* in; // input stream
int linenumber; // linenumber in file for error messages
std::string filename; // filename (or similar string)
YY_BUFFER_STATE buffer; // Opaque pointer to flex-buffer struct.
Include_stack_item() {}
Include_stack_item( std::istream* i, int ln, std::string name,
YY_BUFFER_STATE buf)
: in(i), linenumber(ln), filename(name), buffer(buf) {}
};
// Stack of input streams is a std::list
typedef std::list<Include_stack_item> Include_stack;
// We have one static global variable for the stack and some static functions.
// The include stack is except for the trace() debug function not
// accessible from other files (is not polluting namespaces) since
// the Include() function and the <<EOF>> condition are all handled here.
// The function implementations are at the end of this file.
static Include_stack include_stack;
// Push current state on include_stack, initializes lexer with new file
// input stream, name, and linenumber.
static void open_include_stream(
std::istream *in, std::string name, int linenumber = 1);
// Shortcut for open file with name and then call open_include_stream.
// Returns false if the file could not be opened successfully.
static bool open_include_file( std::string name, int linenumber = 1);
// Closes current input stream. Initializes lexer with new file input stream,
// name, and linenumber, from the include_stack's top. Pop's an element from
// the include_stack. Returns false if include_stack was empty.
static bool close_include_stream();
// Make the lexer read from benchmark_in instead of yyin
#define YY_INPUT(buf,result,max_size) { \
benchmark_in->read( buf, max_size); \
result = benchmark_in->gcount(); \
}
// Count newlines in the string s
static void count_newlines( const char* s) {
while ( *s) {
if ( *s == '\n')
++benchmark_linenumber;
++s;
}
}
static int comment_nesting = 0; // counts nesting depth of () in Comments
#define YY_BREAK /* a do nothing */
/* --------------------------------------------------------------------
Parsing Modes:
-- INITIAL: main mode for sequence of tokens
-- IncludeMode: parses lciInclude filename,
-- CommentMode: Comment(...) parsing of nested parantheses
# comments and strings are correctly ignored
-------------------------------------------------------------------- */
#define IncludeMode 1
#define CommentMode 2
/* An fnumber consists of up to three parts:
* 1) a sign [+-]
* 2) a mantissa (digits [0-9] with at most one dot in between)
* 3) an exponent [eE]{integer}
*
* Part 1) is optional.
* Part 2) must contain at least one digit,
* but may have leading or trailing dot
* Part 3) is optional iff the mantissa contains a dot
* (so that fnumbers and integers remain distinguishable).
*/
/* 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
static void yyunput YY_PROTO(( int c, char *buf_ptr ));
#endif
#ifndef yytext_ptr
static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen YY_PROTO(( yyconst char * ));
#endif
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif
#endif
#if YY_STACK_USED
static int yy_start_stack_ptr = 0;
static int yy_start_stack_depth = 0;
static int *yy_start_stack = 0;
#ifndef YY_NO_PUSH_STATE
static void yy_push_state YY_PROTO(( int new_state ));
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state YY_PROTO(( void ));
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state YY_PROTO(( void ));
#endif
#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#endif
#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( 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->yy_is_interactive ) \
{ \
int c = '*', 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 if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
&& ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" );
#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
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL int yylex YY_PROTO(( void ))
#endif
/* 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
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp = NULL, *yy_bp = NULL;
register int yy_act;
#line 148 "benchmark_lexer.l"
/* Tokens */
/* --------- */
if ( yy_init )
{
yy_init = 0;
#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 )
yy_current_buffer =
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 >= 261 )
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] != 384 );
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 151 "benchmark_lexer.l"
{ return FileFormat;}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 152 "benchmark_lexer.l"
{ return BenchmarkName; }
YY_BREAK
case 3:
YY_RULE_SETUP
#line 153 "benchmark_lexer.l"
{ return Classification; }
YY_BREAK
case 4:
YY_RULE_SETUP
#line 154 "benchmark_lexer.l"
{ return List; }
YY_BREAK
case 5:
YY_RULE_SETUP
#line 155 "benchmark_lexer.l"
{ return Rational; }
YY_BREAK
case 6:
YY_RULE_SETUP
#line 156 "benchmark_lexer.l"
{ return Polynomial_1; }
YY_BREAK
case 7:
YY_RULE_SETUP
#line 157 "benchmark_lexer.l"
{ return Point_2; }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 158 "benchmark_lexer.l"
{ return AlgebraicReal; }
YY_BREAK
case 9:
YY_RULE_SETUP
#line 161 "benchmark_lexer.l"
{ return ConicPoint_2; }
YY_BREAK
case 10:
YY_RULE_SETUP
#line 162 "benchmark_lexer.l"
{ return Conic_2; }
YY_BREAK
case 11:
YY_RULE_SETUP
#line 165 "benchmark_lexer.l"
{ return ConicArc_2; }
YY_BREAK
case 12:
YY_RULE_SETUP
#line 166 "benchmark_lexer.l"
{ return Circle_2; }
YY_BREAK
case 13:
YY_RULE_SETUP
#line 167 "benchmark_lexer.l"
{ return LineSegment_2; }
YY_BREAK
case 14:
YY_RULE_SETUP
#line 168 "benchmark_lexer.l"
{ return Cubic_2; }
YY_BREAK
case 15:
YY_RULE_SETUP
#line 169 "benchmark_lexer.l"
{ return CircularArc_2;}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 170 "benchmark_lexer.l"
{ return LineArc_2;}
YY_BREAK
case 17:
YY_RULE_SETUP
#line 171 "benchmark_lexer.l"
{return CircularPoint_2;}
YY_BREAK
case 18:
YY_RULE_SETUP
#line 172 "benchmark_lexer.l"
{ return Quadric_3; }
YY_BREAK
/* Integer numbers and float numbers */
/* --------------------------------- */
case 19:
YY_RULE_SETUP
#line 177 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return INTEGER;
}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 180 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return FNUMBER;
}
YY_BREAK
case 21:
YY_RULE_SETUP
#line 183 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return MINUS_INFTY;
}
YY_BREAK
case 22:
YY_RULE_SETUP
#line 186 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return PLUS_INFTY;
}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 189 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return VOID;
}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 192 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return COUNTERCLOCKWISE;
}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 195 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return CLOCKWISE;
}
YY_BREAK
/* Non-recognized tokens are errors */
/* -------------------------------- */
case 26:
YY_RULE_SETUP
#line 202 "benchmark_lexer.l"
{ yylval = std::string( yytext);
return UNKNOWN_TOKEN;
}
YY_BREAK
/* Handle include files */
/* ------------------------- */
case 27:
YY_RULE_SETUP
#line 208 "benchmark_lexer.l"
{ BEGIN( IncludeMode);
count_newlines( yytext);
break;
}
YY_BREAK
case 28:
YY_RULE_SETUP
#line 212 "benchmark_lexer.l"
{ /* remove remaining chars before the ')' */
int c = yyinput();
while( c != EOF && c != ')') {
if ( c == '\n')
++benchmark_linenumber;
c = yyinput();
}
BEGIN( INITIAL);
if ( c == EOF) {
yylval = std::string( "Reached EOF while"
" parsing include filename '") +
std::string( yytext) +
std::string( "'.");
return ERROR;
}
open_include_file( yytext);
break;
}
YY_BREAK
/* Strings with quoted \" and \\ */
/* ------------------------------ */
case 29:
YY_RULE_SETUP
#line 233 "benchmark_lexer.l"
{ int c = yyinput();
yylval = std::string("");
bool quoted_char = false;
while (c != EOF && (c!='"' || quoted_char)){
if ( c == '\n')
++benchmark_linenumber;
if ( ! quoted_char && c == '\\') {
quoted_char = true;
} else {
quoted_char = false;
yylval.push_back( char(c));
}
c = yyinput();
}
if ( c == EOF) {
yylval = std::string( "Reached EOF while"
" parsing string constant '") +
yylval + std::string( "'.");
BEGIN( INITIAL);
return ERROR;
}
if ( YY_START == INITIAL) {
return STRING;
}
yylval = std::string("");
break;
}
YY_BREAK
/* One line comment starting with # */
/* -------------------------------- */
case 30:
YY_RULE_SETUP
#line 263 "benchmark_lexer.l"
{ /* remove remaining chars before the '\n' */
int c = yyinput();
while( c != EOF && c != '\n') {
c = yyinput();
}
if ( c == '\n')
++benchmark_linenumber;
break;
}
YY_BREAK
/* Nestable and multi-line Comment( ... ) */
/* -------------------------------------- */
case 31:
YY_RULE_SETUP
#line 275 "benchmark_lexer.l"
{ BEGIN( CommentMode);
comment_nesting = 1;
count_newlines( yytext);
break;
}
YY_BREAK
case 32:
YY_RULE_SETUP
#line 281 "benchmark_lexer.l"
{ ++benchmark_linenumber; break; }
YY_BREAK
case 33:
YY_RULE_SETUP
#line 283 "benchmark_lexer.l"
{ ++comment_nesting; break; }
YY_BREAK
case 34:
YY_RULE_SETUP
#line 285 "benchmark_lexer.l"
{ if ( --comment_nesting == 0)
BEGIN( INITIAL);
break;
}
YY_BREAK
case YY_STATE_EOF(CommentMode):
#line 290 "benchmark_lexer.l"
{ yylval = std::string( "Reached EOF while "
"parsing 'Comment(...)'.");
BEGIN( INITIAL);
return ERROR;
}
YY_BREAK
case 35:
YY_RULE_SETUP
#line 296 "benchmark_lexer.l"
{ break; }
YY_BREAK
/* Count line numbers for good error messages */
case 36:
YY_RULE_SETUP
#line 299 "benchmark_lexer.l"
{ ++benchmark_linenumber; break; }
YY_BREAK
/* Ignore white spaces */
case 37:
YY_RULE_SETUP
#line 302 "benchmark_lexer.l"
{ break; }
YY_BREAK
/* stop scanning at EOF, maybe continue with surrounding file */
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(IncludeMode):
#line 305 "benchmark_lexer.l"
{ yyterminate(); }
YY_BREAK
/* single characters passed to the parser: */
case 38:
YY_RULE_SETUP
#line 308 "benchmark_lexer.l"
{ return yytext[0]; }
YY_BREAK
/* all other single characters are errors */
case 39:
YY_RULE_SETUP
#line 311 "benchmark_lexer.l"
{ yylval = std::string( "Found illegal char '")
+ std::string( yytext) + std::string("'.");
return ERROR;
}
YY_BREAK
case 40:
YY_RULE_SETUP
#line 316 "benchmark_lexer.l"
ECHO;
YY_BREAK
case YY_END_OF_BUFFER:
{
/* Amount of text matched not including the EOB char. */
int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = yy_hold_char;
YY_RESTORE_YY_MORE_OFFSET
if ( yy_current_buffer->yy_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 yyin at a new source and called
* yylex(). If so, then we have to assure
* consistency between yy_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.
*/
yy_n_chars = yy_current_buffer->yy_n_chars;
yy_current_buffer->yy_input_file = yyin;
yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for yy_c_buf_p "<=" to the position
* of the first EOB in the buffer, since yy_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 ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
{ /* This was really a NUL. */
yy_state_type yy_next_state;
yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state();
/* Okay, we're now positioned to make the NUL
* transition. We couldn't have
* yy_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).
*/
yy_next_state = yy_try_NUL_trans( yy_current_state );
yy_bp = yytext_ptr + YY_MORE_ADJ;
if ( yy_next_state )
{
/* Consume the NUL. */
yy_cp = ++yy_c_buf_p;
yy_current_state = yy_next_state;
goto yy_match;
}
else
{
yy_cp = yy_c_buf_p;
goto yy_find_action;
}
}
else switch ( yy_get_next_buffer() )
{
case EOB_ACT_END_OF_FILE:
{
yy_did_buffer_switch_on_eof = 0;
if ( yywrap() )
{
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_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.
*/
yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
goto do_action;
}
else
{
if ( ! yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
yy_c_buf_p =
yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state();
yy_cp = yy_c_buf_p;
yy_bp = yytext_ptr + YY_MORE_ADJ;
goto yy_match;
case EOB_ACT_LAST_MATCH:
yy_c_buf_p =
&yy_current_buffer->yy_ch_buf[yy_n_chars];
yy_current_state = yy_get_previous_state();
yy_cp = yy_c_buf_p;
yy_bp = yytext_ptr + YY_MORE_ADJ;
goto yy_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 yylex */
/* yy_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 yy_get_next_buffer()
{
register char *dest = yy_current_buffer->yy_ch_buf;
register char *source = yytext_ptr;
register int number_to_move, i;
int ret_val;
if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
YY_FATAL_ERROR(
"fatal flex scanner internal error--end of buffer missed" );
if ( yy_current_buffer->yy_fill_buffer == 0 )
{ /* Don't try to fill the buffer, so this is an EOF. */
if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
{
/* We matched a single character, 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 = (int) (yy_c_buf_p - yytext_ptr) - 1;
for ( i = 0; i < number_to_move; ++i )
*(dest++) = *(source++);
if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
yy_current_buffer->yy_n_chars = yy_n_chars = 0;
else
{
int num_to_read =
yy_current_buffer->yy_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 = yy_current_buffer;
int yy_c_buf_p_offset =
(int) (yy_c_buf_p - b->yy_ch_buf);
if ( b->yy_is_our_buffer )
{
int new_size = b->yy_buf_size * 2;
if ( new_size <= 0 )
b->yy_buf_size += b->yy_buf_size / 8;
else
b->yy_buf_size *= 2;
b->yy_ch_buf = (char *)
/* Include room in for 2 EOB chars. */
yy_flex_realloc( (void *) b->yy_ch_buf,
b->yy_buf_size + 2 );
}
else
/* Can't grow it, we don't own it. */
b->yy_ch_buf = 0;
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR(
"fatal error - scanner input buffer overflow" );
yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
num_to_read = yy_current_buffer->yy_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( (&yy_current_buffer->yy_ch_buf[number_to_move]),
yy_n_chars, num_to_read );
yy_current_buffer->yy_n_chars = yy_n_chars;
}
if ( yy_n_chars == 0 )
{
if ( number_to_move == YY_MORE_ADJ )
{
ret_val = EOB_ACT_END_OF_FILE;
yyrestart( yyin );
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
yy_current_buffer->yy_buffer_status =
YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
yy_n_chars += number_to_move;
yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
return ret_val;
}
/* yy_get_previous_state - get the state just before the EOB char was reached */
static yy_state_type yy_get_previous_state()
{
register yy_state_type yy_current_state;
register char *yy_cp;
yy_current_state = yy_start;
for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
{
register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
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 >= 261 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
}
return yy_current_state;
}
/* yy_try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = yy_try_NUL_trans( current_state );
*/
#ifdef YY_USE_PROTOS
static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
#else
static yy_state_type yy_try_NUL_trans( yy_current_state )
yy_state_type yy_current_state;
#endif
{
register int yy_is_jam;
register char *yy_cp = yy_c_buf_p;
register YY_CHAR yy_c = 1;
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 >= 261 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
yy_is_jam = (yy_current_state == 260);
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
#ifdef YY_USE_PROTOS
static void yyunput( int c, register char *yy_bp )
#else
static void yyunput( c, yy_bp )
int c;
register char *yy_bp;
#endif
{
register char *yy_cp = yy_c_buf_p;
/* undo effects of setting up yytext */
*yy_cp = yy_hold_char;
if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = yy_n_chars + 2;
register char *dest = &yy_current_buffer->yy_ch_buf[
yy_current_buffer->yy_buf_size + 2];
register char *source =
&yy_current_buffer->yy_ch_buf[number_to_move];
while ( source > yy_current_buffer->yy_ch_buf )
*--dest = *--source;
yy_cp += (int) (dest - source);
yy_bp += (int) (dest - source);
yy_current_buffer->yy_n_chars =
yy_n_chars = yy_current_buffer->yy_buf_size;
if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
YY_FATAL_ERROR( "flex scanner push-back overflow" );
}
*--yy_cp = (char) c;
yytext_ptr = yy_bp;
yy_hold_char = *yy_cp;
yy_c_buf_p = yy_cp;
}
#endif /* ifndef YY_NO_UNPUT */
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput()
#else
static int input()
#endif
{
int c;
*yy_c_buf_p = yy_hold_char;
if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
{
/* yy_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 ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
/* This was really a NUL. */
*yy_c_buf_p = '\0';
else
{ /* need more input */
int offset = yy_c_buf_p - yytext_ptr;
++yy_c_buf_p;
switch ( yy_get_next_buffer() )
{
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
yyrestart( yyin );
/* fall through */
case EOB_ACT_END_OF_FILE:
{
if ( yywrap() )
return EOF;
if ( ! yy_did_buffer_switch_on_eof )
YY_NEW_FILE;
#ifdef __cplusplus
return yyinput();
#else
return input();
#endif
}
case EOB_ACT_CONTINUE_SCAN:
yy_c_buf_p = yytext_ptr + offset;
break;
}
}
}
c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
*yy_c_buf_p = '\0'; /* preserve yytext */
yy_hold_char = *++yy_c_buf_p;
return c;
}
#endif /* YY_NO_INPUT */
#ifdef YY_USE_PROTOS
void yyrestart( FILE *input_file )
#else
void yyrestart( input_file )
FILE *input_file;
#endif
{
if ( ! yy_current_buffer )
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
yy_init_buffer( yy_current_buffer, input_file );
yy_load_buffer_state();
}
#ifdef YY_USE_PROTOS
void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
#else
void yy_switch_to_buffer( new_buffer )
YY_BUFFER_STATE new_buffer;
#endif
{
if ( yy_current_buffer == new_buffer )
return;
if ( yy_current_buffer )
{
/* Flush out information for old buffer. */
*yy_c_buf_p = yy_hold_char;
yy_current_buffer->yy_buf_pos = yy_c_buf_p;
yy_current_buffer->yy_n_chars = yy_n_chars;
}
yy_current_buffer = new_buffer;
yy_load_buffer_state();
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
yy_did_buffer_switch_on_eof = 1;
}
#ifdef YY_USE_PROTOS
void yy_load_buffer_state( void )
#else
void yy_load_buffer_state()
#endif
{
yy_n_chars = yy_current_buffer->yy_n_chars;
yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
yyin = yy_current_buffer->yy_input_file;
yy_hold_char = *yy_c_buf_p;
}
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
#else
YY_BUFFER_STATE yy_create_buffer( file, size )
FILE *file;
int size;
#endif
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_buf_size = size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_is_our_buffer = 1;
yy_init_buffer( b, file );
return b;
}
#ifdef YY_USE_PROTOS
void yy_delete_buffer( YY_BUFFER_STATE b )
#else
void yy_delete_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( ! b )
return;
if ( b == yy_current_buffer )
yy_current_buffer = (YY_BUFFER_STATE) 0;
if ( b->yy_is_our_buffer )
yy_flex_free( (void *) b->yy_ch_buf );
yy_flex_free( (void *) b );
}
#ifdef YY_USE_PROTOS
void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
#else
void yy_init_buffer( b, file )
YY_BUFFER_STATE b;
FILE *file;
#endif
{
yy_flush_buffer( b );
b->yy_input_file = file;
b->yy_fill_buffer = 1;
#if YY_ALWAYS_INTERACTIVE
b->yy_is_interactive = 1;
#else
#if YY_NEVER_INTERACTIVE
b->yy_is_interactive = 0;
#else
b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
#endif
#endif
}
#ifdef YY_USE_PROTOS
void yy_flush_buffer( YY_BUFFER_STATE b )
#else
void yy_flush_buffer( b )
YY_BUFFER_STATE b;
#endif
{
if ( ! b )
return;
b->yy_n_chars = 0;
/* 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->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->yy_buf_pos = &b->yy_ch_buf[0];
b->yy_at_bol = 1;
b->yy_buffer_status = YY_BUFFER_NEW;
if ( b == yy_current_buffer )
yy_load_buffer_state();
}
#ifndef YY_NO_SCAN_BUFFER
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
#else
YY_BUFFER_STATE yy_scan_buffer( base, size )
char *base;
yy_size_t size;
#endif
{
YY_BUFFER_STATE b;
if ( size < 2 ||
base[size-2] != YY_END_OF_BUFFER_CHAR ||
base[size-1] != YY_END_OF_BUFFER_CHAR )
/* They forgot to leave room for the EOB's. */
return 0;
b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
b->yy_buf_pos = b->yy_ch_buf = base;
b->yy_is_our_buffer = 0;
b->yy_input_file = 0;
b->yy_n_chars = b->yy_buf_size;
b->yy_is_interactive = 0;
b->yy_at_bol = 1;
b->yy_fill_buffer = 0;
b->yy_buffer_status = YY_BUFFER_NEW;
yy_switch_to_buffer( b );
return b;
}
#endif
#ifndef YY_NO_SCAN_STRING
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
#else
YY_BUFFER_STATE yy_scan_string( yy_str )
yyconst char *yy_str;
#endif
{
int len;
for ( len = 0; yy_str[len]; ++len )
;
return yy_scan_bytes( yy_str, len );
}
#endif
#ifndef YY_NO_SCAN_BYTES
#ifdef YY_USE_PROTOS
YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
#else
YY_BUFFER_STATE yy_scan_bytes( bytes, len )
yyconst char *bytes;
int len;
#endif
{
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = len + 2;
buf = (char *) yy_flex_alloc( n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
for ( i = 0; i < len; ++i )
buf[i] = bytes[i];
buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
b = yy_scan_buffer( buf, n );
if ( ! b )
YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
/* It's okay to grow etc. this buffer, and we should throw it
* away when we're done.
*/
b->yy_is_our_buffer = 1;
return b;
}
#endif
#ifndef YY_NO_PUSH_STATE
#ifdef YY_USE_PROTOS
static void yy_push_state( int new_state )
#else
static void yy_push_state( new_state )
int new_state;
#endif
{
if ( yy_start_stack_ptr >= yy_start_stack_depth )
{
yy_size_t new_size;
yy_start_stack_depth += YY_START_STACK_INCR;
new_size = yy_start_stack_depth * sizeof( int );
if ( ! yy_start_stack )
yy_start_stack = (int *) yy_flex_alloc( new_size );
else
yy_start_stack = (int *) yy_flex_realloc(
(void *) yy_start_stack, new_size );
if ( ! yy_start_stack )
YY_FATAL_ERROR(
"out of memory expanding start-condition stack" );
}
yy_start_stack[yy_start_stack_ptr++] = YY_START;
BEGIN(new_state);
}
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state()
{
if ( --yy_start_stack_ptr < 0 )
YY_FATAL_ERROR( "start-condition stack underflow" );
BEGIN(yy_start_stack[yy_start_stack_ptr]);
}
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state()
{
return yy_start_stack[yy_start_stack_ptr - 1];
}
#endif
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
#ifdef YY_USE_PROTOS
static void yy_fatal_error( yyconst char msg[] )
#else
static void yy_fatal_error( msg )
char msg[];
#endif
{
(void) fprintf( stderr, "%s\n", msg );
exit( YY_EXIT_FAILURE );
}
/* Redefine yyless() so it works in section 3 code. */
#undef yyless
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
yytext[yyleng] = yy_hold_char; \
yy_c_buf_p = yytext + n; \
yy_hold_char = *yy_c_buf_p; \
*yy_c_buf_p = '\0'; \
yyleng = n; \
} \
while ( 0 )
/* Internal utility routines. */
#ifndef yytext_ptr
#ifdef YY_USE_PROTOS
static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
#else
static void yy_flex_strncpy( s1, s2, n )
char *s1;
yyconst char *s2;
int n;
#endif
{
register int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
#ifdef YY_NEED_STRLEN
#ifdef YY_USE_PROTOS
static int yy_flex_strlen( yyconst char *s )
#else
static int yy_flex_strlen( s )
yyconst char *s;
#endif
{
register int n;
for ( n = 0; s[n]; ++n )
;
return n;
}
#endif
#ifdef YY_USE_PROTOS
static void *yy_flex_alloc( yy_size_t size )
#else
static void *yy_flex_alloc( size )
yy_size_t size;
#endif
{
return (void *) malloc( size );
}
#ifdef YY_USE_PROTOS
static void *yy_flex_realloc( void *ptr, yy_size_t size )
#else
static void *yy_flex_realloc( ptr, size )
void *ptr;
yy_size_t size;
#endif
{
/* The cast to (char *) in the following accommodates both
* implementations that use char* generic pointers, and those
* that use void* generic pointers. It works with the latter
* because both ANSI C and C++ allow castless assignment from
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
return (void *) realloc( (char *) ptr, size );
}
#ifdef YY_USE_PROTOS
static void yy_flex_free( void *ptr )
#else
static void yy_flex_free( ptr )
void *ptr;
#endif
{
free( ptr );
}
#if YY_MAIN
int main()
{
yylex();
return 0;
}
#endif
#line 316 "benchmark_lexer.l"
// implements the proper EOF behavior, pop's file from include stack
extern "C" int yywrap() {
if ( close_include_stream())
return 0; // there was a file waiting on the stack, we continue scan
return 1; // no file in the stack left, we stop scan
}
// Push current state on include_stack, initializes lexer with new file
// input stream, name, and linenumber.
static void open_include_stream( std::istream *in, std::string name,
int linenumber)
{
include_stack.push_front( Include_stack_item(
benchmark_in, benchmark_linenumber, benchmark_filename,
YY_CURRENT_BUFFER));
benchmark_in = in;
benchmark_linenumber = linenumber;
benchmark_filename = name;
yy_switch_to_buffer( yy_create_buffer( 0, YY_BUF_SIZE));
}
// Shortcut for open file with name and then call open_include_stream.
// Returns false if the file could not be opened successfully.
static bool open_include_file( std::string name, int linenumber) {
std::ifstream* in = new std::ifstream( name.c_str());
if ( ! *in) {
delete in;
return false;
}
open_include_stream( in, name, linenumber);
return true;
}
// Closes current input stream. Initializes lexer with new file input stream,
// name, and linenumber, from the include_stack's top. Pop's an element from
// the include_stack. Returns false if include_stack was empty.
static bool close_include_stream() {
if ( include_stack.empty())
return false;
delete benchmark_in; // closes the stream
benchmark_in = include_stack.front().in;
benchmark_linenumber = include_stack.front().linenumber;
benchmark_filename = include_stack.front().filename;
yy_delete_buffer( YY_CURRENT_BUFFER);
yy_switch_to_buffer( include_stack.front().buffer);
include_stack.pop_front();
return true;
}
// Public interface of the lexer component
// ---------------------------------------
// Initialize lexer to scan from input stream with name and linenumber.
// The caller is responsible for the lifetime of 'in' that must last
// during the scan.
void benchmark_init_lexer(
std::istream& in, std::string name, int linenumber)
{
benchmark_reset_lexer();
benchmark_in = & in;
benchmark_linenumber = linenumber;
benchmark_filename = name;
yy_switch_to_buffer( yy_create_buffer( 0, YY_BUF_SIZE));
}
// reset lexer to clean state. Can be used to parse another file then.
void benchmark_reset_lexer() {
while( close_include_stream()) // close all pre-existing include files
; // empty while body
benchmark_in = & std::cin;
benchmark_linenumber = 1;
benchmark_filename = std::string("<cin>");
yyrestart(0);
BEGIN( INITIAL);
};
// Writes a trace of the current include file nesting to the 'out' stream.
void benchmark_include_file_trace( std::ostream& out, std::string fill) {
std::size_t n = include_stack.size();
for ( Include_stack::const_iterator i = include_stack.begin();
i != include_stack.end(); ++i)
{
out << std::setw(3) << n-- << ": '" << i->filename << "' line "
<< i->linenumber << fill << std::endl;
}
}
// This summy function is only here to suppress a warning for
// an unused yyunput function
void benchmark_parser_dummy_no_warn_() {
yyunput( 1, 0);
}
// EOF
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