/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header: /cvs/root/flex/flex/skel.c,v 1.2 2004/05/07 00:28:17 jkh Exp $
*/
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#include <stdio.h>
/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif
#ifdef __cplusplus
#include <stdlib.h>
#include <unistd.h>
/* Use prototypes in function declarations. */
#define YY_USE_PROTOS
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
#if __STDC__
#define YY_USE_PROTOS
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef __TURBOC__
#pragma warn -rch
#pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif
#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
*/
#define BEGIN yy_start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START ((yy_start - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart( yyin )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#define YY_BUF_SIZE 16384
typedef struct yy_buffer_state *YY_BUFFER_STATE;
extern int yyleng;
extern FILE *yyin, *yyout;
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
/* The funky do-while in the following #define is used to turn the definition
* int a single C statement (which needs a semi-colon terminator). This
* avoids problems with code like:
*
* if ( condition_holds )
* yyless( 5 );
* else
* do_something_else();
*
* Prior to using the do-while the compiler would get upset at the
* "else" because it interpreted the "if" statement as being all
* done when it reached the ';' after the yyless() call.
*/
/* Return all but the first 'n' matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
*yy_cp = yy_hold_char; \
YY_RESTORE_YY_MORE_OFFSET \
yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, yytext_ptr )
/* The following is because we cannot portably get our hands on size_t
* (without autoconf's help, which isn't available because we want
* flex-generated scanners to compile on their own).
*/
typedef unsigned int yy_size_t;
struct yy_buffer_state
{
FILE *yy_input_file;
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
yy_size_t yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
int yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
static YY_BUFFER_STATE yy_current_buffer = 0;
/* We provide macros for accessing buffer states in case in the
* future we want to put the buffer states in a more general
* "scanner state".
*/
#define YY_CURRENT_BUFFER yy_current_buffer
/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;
static int yy_n_chars; /* number of characters read into yy_ch_buf */
int yyleng;
/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
static int yy_init = 1; /* whether we need to initialize */
static int yy_start = 0; /* start state number */
/* Flag which is used to allow yywrap()'s to do buffer switches
* instead of setting up a fresh yyin. A bit of a hack ...
*/
static int yy_did_buffer_switch_on_eof;
void yyrestart YY_PROTO(( FILE *input_file ));
void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
void yy_load_buffer_state YY_PROTO(( void ));
YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern char *yytext;
#define yytext_ptr yytext
static yy_state_type yy_get_previous_state YY_PROTO(( void ));
static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
static int yy_get_next_buffer YY_PROTO(( void ));
static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
yytext_ptr = yy_bp; \
yyleng = (int) (yy_cp - yy_bp); \
yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 77
#define YY_END_OF_BUFFER 78
static yyconst short int yy_accept[253] =
{ 0,
74, 74, 78, 76, 74, 75, 76, 17, 10, 76,
19, 20, 15, 13, 5, 14, 16, 63, 61, 4,
1, 21, 7, 22, 60, 60, 60, 60, 23, 24,
9, 60, 60, 60, 60, 60, 60, 60, 60, 60,
60, 60, 60, 60, 60, 60, 2, 8, 3, 18,
74, 73, 74, 0, 66, 0, 0, 0, 72, 71,
64, 63, 0, 0, 0, 61, 6, 12, 11, 60,
60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
60, 60, 60, 60, 54, 60, 60, 60, 60, 60,
60, 60, 60, 60, 60, 60, 60, 60, 60, 74,
73, 73, 0, 66, 0, 67, 0, 67, 0, 0,
0, 71, 64, 0, 0, 65, 62, 60, 60, 60,
40, 60, 60, 60, 60, 60, 60, 60, 60, 60,
60, 60, 36, 60, 60, 60, 60, 56, 60, 60,
60, 60, 60, 60, 60, 60, 60, 60, 69, 68,
0, 0, 0, 0, 64, 60, 60, 25, 60, 60,
44, 37, 60, 60, 60, 60, 46, 60, 60, 60,
60, 33, 60, 60, 60, 60, 60, 60, 60, 60,
60, 60, 60, 60, 60, 53, 68, 70, 0, 26,
60, 60, 60, 27, 60, 60, 60, 60, 31, 55,
60, 60, 39, 60, 60, 60, 60, 34, 60, 60,
60, 60, 42, 60, 59, 60, 60, 60, 60, 32,
60, 60, 28, 52, 57, 60, 60, 48, 41, 43,
60, 60, 60, 38, 58, 45, 60, 60, 60, 60,
30, 60, 60, 60, 60, 49, 47, 35, 50, 51,
29, 0
} ;
static yyconst int yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 1, 4, 5, 1, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 18,
18, 19, 19, 19, 19, 20, 20, 21, 22, 23,
24, 25, 1, 1, 26, 27, 27, 27, 28, 29,
30, 30, 30, 30, 30, 31, 30, 30, 32, 30,
30, 33, 34, 35, 36, 30, 30, 37, 30, 30,
38, 39, 40, 41, 42, 1, 43, 44, 45, 46,
47, 48, 49, 50, 51, 52, 30, 53, 54, 55,
56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
66, 30, 67, 68, 69, 70, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[71] =
{ 0,
1, 1, 2, 1, 1, 1, 1, 3, 1, 1,
1, 1, 1, 1, 1, 1, 4, 4, 4, 4,
1, 1, 1, 1, 1, 4, 4, 4, 4, 5,
5, 5, 5, 5, 5, 5, 5, 1, 1, 1,
1, 5, 4, 4, 4, 4, 4, 4, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 1, 1, 1, 1
} ;
static yyconst short int yy_base[263] =
{ 0,
0, 69, 386, 387, 383, 387, 68, 387, 387, 345,
387, 387, 387, 387, 387, 387, 62, 62, 68, 362,
387, 359, 387, 356, 0, 354, 335, 345, 387, 387,
387, 34, 321, 41, 45, 38, 323, 320, 318, 317,
49, 55, 58, 306, 316, 314, 387, 387, 387, 387,
108, 0, 367, 96, 387, 113, 360, 106, 387, 0,
111, 123, 129, 142, 0, 149, 387, 387, 387, 0,
336, 314, 329, 298, 302, 306, 301, 317, 304, 310,
295, 294, 310, 298, 65, 298, 306, 290, 303, 288,
297, 304, 288, 289, 285, 292, 285, 85, 290, 132,
0, 0, 114, 116, 169, 387, 332, 331, 166, 170,
330, 0, 162, 180, 184, 193, 0, 303, 289, 307,
0, 275, 280, 285, 272, 15, 287, 285, 274, 280,
283, 263, 277, 274, 260, 274, 256, 0, 259, 272,
255, 257, 124, 254, 267, 257, 261, 265, 387, 387,
197, 302, 301, 200, 204, 280, 262, 0, 255, 258,
0, 0, 243, 256, 240, 248, 0, 243, 238, 237,
238, 0, 243, 234, 251, 246, 236, 244, 229, 234,
243, 242, 240, 230, 235, 0, 387, 387, 275, 0,
221, 237, 237, 0, 214, 225, 230, 215, 0, 0,
227, 227, 0, 207, 212, 216, 215, 0, 220, 207,
217, 219, 0, 210, 0, 202, 208, 201, 200, 0,
202, 205, 0, 0, 0, 185, 186, 0, 0, 0,
159, 159, 134, 0, 0, 0, 137, 146, 99, 116,
0, 104, 86, 77, 65, 0, 0, 0, 0, 0,
0, 387, 224, 229, 231, 236, 241, 246, 251, 102,
254, 256
} ;
static yyconst short int yy_def[263] =
{ 0,
252, 1, 252, 252, 252, 252, 253, 252, 252, 254,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 255, 255, 255, 255, 252, 252,
252, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 252, 252, 252, 252,
252, 256, 252, 253, 252, 257, 252, 258, 252, 259,
252, 252, 252, 252, 260, 252, 252, 252, 252, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 252,
256, 256, 253, 253, 257, 252, 252, 252, 252, 252,
261, 259, 252, 252, 252, 252, 260, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 252, 252,
252, 252, 262, 252, 252, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 252, 252, 252, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 0, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252
} ;
static yyconst short int yy_nxt[458] =
{ 0,
4, 5, 6, 7, 4, 8, 9, 10, 11, 12,
13, 14, 15, 16, 4, 17, 18, 19, 19, 19,
20, 21, 22, 23, 24, 25, 25, 25, 26, 25,
25, 27, 25, 25, 28, 25, 25, 29, 4, 30,
31, 4, 32, 33, 34, 35, 36, 37, 25, 25,
38, 25, 39, 40, 25, 41, 25, 25, 42, 43,
44, 45, 46, 25, 25, 25, 47, 48, 49, 50,
51, 55, 59, 52, 163, 164, 61, 60, 62, 62,
62, 63, 61, 77, 66, 66, 66, 66, 74, 64,
78, 80, 82, 88, 75, 64, 79, 91, 65, 55,
81, 92, 83, 89, 93, 117, 56, 94, 64, 100,
90, 251, 101, 108, 64, 54, 104, 55, 95, 55,
132, 96, 109, 109, 110, 133, 65, 113, 113, 113,
113, 250, 249, 100, 56, 146, 101, 61, 114, 62,
62, 62, 63, 61, 147, 63, 63, 63, 63, 248,
64, 105, 56, 115, 56, 115, 64, 114, 116, 116,
116, 116, 247, 61, 246, 66, 66, 66, 66, 64,
111, 54, 104, 150, 180, 64, 64, 150, 113, 113,
113, 113, 151, 151, 151, 181, 152, 152, 152, 114,
245, 154, 244, 154, 243, 64, 155, 155, 155, 155,
116, 116, 116, 116, 187, 242, 241, 105, 114, 116,
116, 116, 116, 152, 152, 152, 155, 155, 155, 155,
155, 155, 155, 155, 54, 54, 54, 54, 54, 57,
240, 57, 57, 57, 70, 70, 102, 239, 102, 102,
102, 103, 103, 103, 103, 103, 107, 238, 107, 107,
107, 112, 237, 112, 112, 112, 153, 153, 189, 189,
236, 235, 234, 233, 232, 231, 230, 229, 228, 227,
226, 225, 224, 223, 222, 221, 220, 219, 218, 217,
216, 215, 188, 214, 213, 212, 211, 210, 209, 208,
207, 206, 205, 204, 203, 202, 201, 200, 199, 198,
197, 196, 195, 194, 193, 192, 191, 190, 188, 187,
186, 185, 184, 183, 182, 179, 178, 177, 176, 175,
174, 173, 172, 171, 170, 169, 168, 167, 166, 165,
162, 161, 160, 159, 158, 157, 156, 149, 149, 149,
148, 145, 144, 143, 142, 141, 140, 139, 138, 137,
136, 135, 134, 131, 130, 129, 128, 127, 126, 125,
124, 123, 122, 121, 120, 119, 118, 106, 53, 99,
98, 97, 87, 86, 85, 84, 76, 73, 72, 71,
69, 68, 67, 58, 53, 252, 3, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252
} ;
static yyconst short int yy_chk[458] =
{ 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, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 7, 17, 2, 126, 126, 18, 17, 18, 18,
18, 18, 19, 34, 19, 19, 19, 19, 32, 18,
34, 35, 36, 41, 32, 19, 34, 42, 18, 54,
35, 42, 36, 41, 43, 260, 7, 43, 18, 51,
41, 245, 51, 58, 19, 56, 56, 103, 43, 104,
85, 43, 58, 58, 58, 85, 18, 61, 61, 61,
61, 244, 243, 100, 54, 98, 100, 62, 61, 62,
62, 62, 62, 63, 98, 63, 63, 63, 63, 242,
62, 56, 103, 64, 104, 64, 63, 61, 64, 64,
64, 64, 240, 66, 239, 66, 66, 66, 66, 62,
58, 105, 105, 109, 143, 63, 66, 110, 113, 113,
113, 113, 109, 109, 109, 143, 110, 110, 110, 113,
238, 114, 237, 114, 233, 66, 114, 114, 114, 114,
115, 115, 115, 115, 151, 232, 231, 105, 113, 116,
116, 116, 116, 151, 151, 151, 154, 154, 154, 154,
155, 155, 155, 155, 253, 253, 253, 253, 253, 254,
227, 254, 254, 254, 255, 255, 256, 226, 256, 256,
256, 257, 257, 257, 257, 257, 258, 222, 258, 258,
258, 259, 221, 259, 259, 259, 261, 261, 262, 262,
219, 218, 217, 216, 214, 212, 211, 210, 209, 207,
206, 205, 204, 202, 201, 198, 197, 196, 195, 193,
192, 191, 189, 185, 184, 183, 182, 181, 180, 179,
178, 177, 176, 175, 174, 173, 171, 170, 169, 168,
166, 165, 164, 163, 160, 159, 157, 156, 153, 152,
148, 147, 146, 145, 144, 142, 141, 140, 139, 137,
136, 135, 134, 133, 132, 131, 130, 129, 128, 127,
125, 124, 123, 122, 120, 119, 118, 111, 108, 107,
99, 97, 96, 95, 94, 93, 92, 91, 90, 89,
88, 87, 86, 84, 83, 82, 81, 80, 79, 78,
77, 76, 75, 74, 73, 72, 71, 57, 53, 46,
45, 44, 40, 39, 38, 37, 33, 28, 27, 26,
24, 22, 20, 10, 5, 3, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252
} ;
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 "scanner.ll"
#define INITIAL 0
#line 2 "scanner.ll"
/*
* Copyright (c) 1995, 1996, 1997, 1998, 1999 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
*
* This file is part of Flick, the Flexible IDL Compiler Kit.
*
* Flick is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Flick is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Flick; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place #330, Boston, MA 02111, USA.
*/
/* scanner.ll - a scanner for CORBA IDL. */
#include "parser.hh"
#include "Errors.hh"
extern "C" {
#include <string.h>
#include <ctype.h>
#include <stdio.h>
#include <math.h>
}
#include <mom/aoi.h>
#include <mom/compiler.h>
#include <mom/libmeta.h>
#define tokenAdvance { tokenPos = nextPos; nextPos += yyleng;}
#define gotToken tokenAdvance
#define gotTokenAndWhite { tokenPos = nextPos; \
for (char *s = yytext; *s != '\0'; s++) \
if (*s == '\t') \
nextPos += 8 - (nextPos & 7); \
else nextPos++; \
}
#define incNextPos (nextPos++)
static unsigned int get_dec(char *);
static unsigned int get_hex(char *);
static unsigned int get_oct(char *);
static double get_float(char *);
static char get_chr_oct(char *);
static char get_chr_esc(char *);
int nextchar = 0;
int buflen;
extern aoi cur_aoi;
extern const char *infilename;
extern const char *root_filename;
extern io_file_index root_file;
extern io_file_index current_i_file;
#ifdef FLEX_SCANNER
#undef YY_INPUT
#define YY_INPUT(buffer, result, max_size) \
(result = my_yyinput(buffer, max_size))
static int my_yyinput(char*, int);
/*
* We don't need `yyunput' from Flex, so we define `YY_NO_UNPUT' to remove its
* definition and thus avoid a compile-time warning about not using that static
* function.
*/
#define YY_NO_UNPUT
#else
#undef input
#undef unput
#define input() (my_input())
#define unput(c) (my_unput(c))
static char my_input();
static void my_unput(char);
#endif
#line 634 "lex.yy.c"
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap YY_PROTO(( void ));
#else
extern int yywrap YY_PROTO(( void ));
#endif
#endif
#ifndef YY_NO_UNPUT
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 \
if ( yyleng > 0 ) \
yy_current_buffer->yy_at_bol = \
(yytext[yyleng - 1] == '\n'); \
YY_USER_ACTION
YY_DECL
{
register yy_state_type yy_current_state;
register char *yy_cp, *yy_bp;
register int yy_act;
#line 87 "scanner.ll"
#line 791 "lex.yy.c"
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_current_state += YY_AT_BOL();
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 >= 253 )
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] != 387 );
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 89 "scanner.ll"
{gotToken; return SEMI;}
YY_BREAK
case 2:
YY_RULE_SETUP
#line 90 "scanner.ll"
{gotToken; return LBRACE;}
YY_BREAK
case 3:
YY_RULE_SETUP
#line 91 "scanner.ll"
{gotToken; return RBRACE;}
YY_BREAK
case 4:
YY_RULE_SETUP
#line 92 "scanner.ll"
{gotToken; return COLON;}
YY_BREAK
case 5:
YY_RULE_SETUP
#line 93 "scanner.ll"
{gotToken; return COMMA;}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 94 "scanner.ll"
{gotToken; return SCOPE;}
YY_BREAK
case 7:
YY_RULE_SETUP
#line 95 "scanner.ll"
{gotToken; return EQUAL;}
YY_BREAK
case 8:
YY_RULE_SETUP
#line 96 "scanner.ll"
{gotToken; return OR;}
YY_BREAK
case 9:
YY_RULE_SETUP
#line 97 "scanner.ll"
{gotToken; return XOR;}
YY_BREAK
case 10:
YY_RULE_SETUP
#line 98 "scanner.ll"
{gotToken; return AND;}
YY_BREAK
case 11:
YY_RULE_SETUP
#line 99 "scanner.ll"
{gotToken; return RSHIFT;}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 100 "scanner.ll"
{gotToken; return LSHIFT;}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 101 "scanner.ll"
{gotToken; return ADD;}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 102 "scanner.ll"
{gotToken; return SUB;}
YY_BREAK
case 15:
YY_RULE_SETUP
#line 103 "scanner.ll"
{gotToken; return MUL;}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 104 "scanner.ll"
{gotToken; return DIV;}
YY_BREAK
case 17:
YY_RULE_SETUP
#line 105 "scanner.ll"
{gotToken; return MOD;}
YY_BREAK
case 18:
YY_RULE_SETUP
#line 106 "scanner.ll"
{gotToken; return NEG;}
YY_BREAK
case 19:
YY_RULE_SETUP
#line 107 "scanner.ll"
{gotToken; return LPAREN;}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 108 "scanner.ll"
{gotToken; return RPAREN;}
YY_BREAK
case 21:
YY_RULE_SETUP
#line 109 "scanner.ll"
{gotToken; return LT;}
YY_BREAK
case 22:
YY_RULE_SETUP
#line 110 "scanner.ll"
{gotToken; return GT;}
YY_BREAK
case 23:
YY_RULE_SETUP
#line 111 "scanner.ll"
{gotToken; return LBRACK;}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 112 "scanner.ll"
{gotToken; return RBRACK;}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 113 "scanner.ll"
{gotToken; return BTRUE;}
YY_BREAK
case 26:
YY_RULE_SETUP
#line 114 "scanner.ll"
{gotToken; return BFALSE;}
YY_BREAK
case 27:
YY_RULE_SETUP
#line 115 "scanner.ll"
{gotToken; return CONST;}
YY_BREAK
case 28:
YY_RULE_SETUP
#line 116 "scanner.ll"
{gotToken; return MODULE;}
YY_BREAK
case 29:
YY_RULE_SETUP
#line 117 "scanner.ll"
{gotToken; return INTERFACE;}
YY_BREAK
case 30:
YY_RULE_SETUP
#line 118 "scanner.ll"
{gotToken; return TYPEDEF;}
YY_BREAK
case 31:
YY_RULE_SETUP
#line 119 "scanner.ll"
{gotToken; return FLOAT;}
YY_BREAK
case 32:
YY_RULE_SETUP
#line 120 "scanner.ll"
{gotToken; return DOUBLE;}
YY_BREAK
case 33:
YY_RULE_SETUP
#line 121 "scanner.ll"
{gotToken; return LONG;}
YY_BREAK
case 34:
YY_RULE_SETUP
#line 122 "scanner.ll"
{gotToken; return SHORT;}
YY_BREAK
case 35:
YY_RULE_SETUP
#line 123 "scanner.ll"
{gotToken; return UNSIGNED;}
YY_BREAK
case 36:
YY_RULE_SETUP
#line 124 "scanner.ll"
{gotToken; return INT;} /* invalid */
YY_BREAK
case 37:
YY_RULE_SETUP
#line 125 "scanner.ll"
{gotToken; return CHAR;}
YY_BREAK
case 38:
YY_RULE_SETUP
#line 126 "scanner.ll"
{gotToken; return BOOLEAN;}
YY_BREAK
case 39:
YY_RULE_SETUP
#line 127 "scanner.ll"
{gotToken; return OCTET;}
YY_BREAK
case 40:
YY_RULE_SETUP
#line 128 "scanner.ll"
{gotToken; return ANY;}
YY_BREAK
case 41:
YY_RULE_SETUP
#line 129 "scanner.ll"
{gotToken; return STRUCT;}
YY_BREAK
case 42:
YY_RULE_SETUP
#line 130 "scanner.ll"
{gotToken; return UNION;}
YY_BREAK
case 43:
YY_RULE_SETUP
#line 131 "scanner.ll"
{gotToken; return SWITCH;}
YY_BREAK
case 44:
YY_RULE_SETUP
#line 132 "scanner.ll"
{gotToken; return CASE;}
YY_BREAK
case 45:
YY_RULE_SETUP
#line 133 "scanner.ll"
{gotToken; return DEFAULT;}
YY_BREAK
case 46:
YY_RULE_SETUP
#line 134 "scanner.ll"
{gotToken; return ENUM;}
YY_BREAK
case 47:
YY_RULE_SETUP
#line 135 "scanner.ll"
{gotToken; return SEQUENCE;}
YY_BREAK
case 48:
YY_RULE_SETUP
#line 136 "scanner.ll"
{gotToken; return STRING;}
YY_BREAK
case 49:
YY_RULE_SETUP
#line 137 "scanner.ll"
{gotToken; return READONLY;}
YY_BREAK
case 50:
YY_RULE_SETUP
#line 138 "scanner.ll"
{gotToken; return ATTRIBUTE;}
YY_BREAK
case 51:
YY_RULE_SETUP
#line 139 "scanner.ll"
{gotToken; return EXCEPTION;}
YY_BREAK
case 52:
YY_RULE_SETUP
#line 140 "scanner.ll"
{gotToken; return ONEWAY;}
YY_BREAK
case 53:
YY_RULE_SETUP
#line 141 "scanner.ll"
{gotToken; return VOID;}
YY_BREAK
case 54:
YY_RULE_SETUP
#line 142 "scanner.ll"
{gotToken; return IN;}
YY_BREAK
case 55:
YY_RULE_SETUP
#line 143 "scanner.ll"
{gotToken; return INOUT;}
YY_BREAK
case 56:
YY_RULE_SETUP
#line 144 "scanner.ll"
{gotToken; return OUT;}
YY_BREAK
case 57:
YY_RULE_SETUP
#line 145 "scanner.ll"
{gotToken; return RAISES;}
YY_BREAK
case 58:
YY_RULE_SETUP
#line 146 "scanner.ll"
{gotToken; InternalError("contexts are not yet supported");return CONTEXT;}
YY_BREAK
case 59:
YY_RULE_SETUP
#line 147 "scanner.ll"
{gotToken; return OBJECT;}
YY_BREAK
case 60:
YY_RULE_SETUP
#line 149 "scanner.ll"
{gotToken;
char *z = (char *) malloc(strlen(yytext) + 1);
strcpy(z, yytext);
yylval.id = z;
return ID;
}
YY_BREAK
case 61:
YY_RULE_SETUP
#line 156 "scanner.ll"
{gotToken;
yylval.integer = get_dec(yytext);
return LIT_INT;
}
YY_BREAK
case 62:
YY_RULE_SETUP
#line 161 "scanner.ll"
{gotToken;
yylval.integer = get_hex(yytext+2); /* strip off the "0x" */
return LIT_INT;
}
YY_BREAK
case 63:
YY_RULE_SETUP
#line 166 "scanner.ll"
{gotToken;
yylval.integer = get_oct(yytext);
return LIT_INT;
}
YY_BREAK
case 64:
YY_RULE_SETUP
#line 171 "scanner.ll"
{gotToken;
yylval.real = get_float(yytext);
return LIT_REAL;
}
YY_BREAK
case 65:
YY_RULE_SETUP
#line 176 "scanner.ll"
{gotToken;
yylval.real = get_float(yytext);
return LIT_REAL;
}
YY_BREAK
case 66:
YY_RULE_SETUP
#line 181 "scanner.ll"
{gotToken;
int len = strlen(yytext) - 1;
char *z = (char *) malloc(len);
strncpy(z, yytext + 1, len - 1);
z[len - 1] = 0;
yylval.str = z;
return LIT_STRING;
}
YY_BREAK
case 67:
YY_RULE_SETUP
#line 190 "scanner.ll"
{gotToken;
yylval.chr = yytext[1];
return LIT_CHR;
}
YY_BREAK
case 68:
YY_RULE_SETUP
#line 195 "scanner.ll"
{gotToken;
yylval.chr = get_chr_oct(yytext + 2);
return LIT_CHR;
}
YY_BREAK
case 69:
YY_RULE_SETUP
#line 200 "scanner.ll"
{gotToken;
yylval.chr = get_chr_esc(yytext + 2);
return LIT_CHR;
}
YY_BREAK
case 70:
YY_RULE_SETUP
#line 205 "scanner.ll"
{gotToken;
yylval.chr = get_chr_esc(yytext+2);
return LIT_CHR;
}
YY_BREAK
case 71:
YY_RULE_SETUP
#line 210 "scanner.ll"
{gotToken; }
YY_BREAK
case 72:
YY_RULE_SETUP
#line 212 "scanner.ll"
{ gotToken;
int prevchar = 0, currchar = yyinput();
incNextPos;
for (;;) {
if (currchar == EOF)
break;
if (currchar == '\n') {
++lineno;
nextPos = 0;
tokenPos = 0;
}
else if (currchar == '\t')
nextPos += (8 - 1) - (nextPos-1) & 7;
else if (prevchar == '/' && currchar == '*') {
tokenPos = nextPos-2;
LexWarning(("comment start delimiter `/*' appears "
"within comment"));
}
else if (prevchar == '*' && currchar == '/')
break;
prevchar = currchar;
currchar = yyinput();
incNextPos;
}
}
YY_BREAK
case 73:
YY_RULE_SETUP
#line 238 "scanner.ll"
{gotTokenAndWhite;
/*
* Parse `#line' directives. (The token `line' is optional.)
* (White space before the '#' is optional.)
*/
int i = 0;
/* Skip over whitespace before the initial `#'. */
for (;
((i < yyleng)
&& ((yytext[i] == ' ') || (yytext[i] == '\t')));
++i)
/* Do nothing. */ ;
/* Skip over '#' and any whitespace. */
for (++i;
((i < yyleng)
&& ((yytext[i] == ' ') || (yytext[i] == '\t')));
++i)
/* Do nothing. */ ;
/* Skip over the (optional) token `line' and subsequent whitespace. */
if ((i < yyleng)
&& !strncmp(&(yytext[i]), "line", (sizeof("line") - 1))) {
i += sizeof("line") - 1; /* `sizeof' counts terminating NUL */
for (;
((i < yyleng) &&
((yytext[i] == ' ') || (yytext[i] == '\t')));
++i)
/* Do nothing. */ ;
}
/* Parse the line number and subsequent filename. */
if ((i < yyleng)
&& isdigit(yytext[i])) {
int filename_start, filename_end;
char *filename;
int flag = 0;
lineno = get_dec(yytext + i) - 1;
filename_end = 0;
for (filename_start = 0; (i < yyleng); ++i)
if (yytext[i] == '\"') {
filename_start = i + 1;
break;
}
if (filename_start)
for (i = filename_start; (i < yyleng); ++i)
if (yytext[i] == '\"') {
filename_end = i;
break;
}
if (filename_start && filename_end) {
int last_i_file;
last_i_file = current_i_file;
if (filename_end - filename_start > 0) {
filename =
(char *)
mustmalloc(sizeof(char)
* ((filename_end
- filename_start)
+ 1 /* for NUL */));
strncpy(filename,
&(yytext[filename_start]),
(filename_end - filename_start));
filename[filename_end - filename_start] = 0;
infilename = filename;
} else {
/* If no filename given, it must be stdin. */
infilename = "<stdin>";
}
for(i++;
((i < yyleng) &&
(yytext[i] == ' ') || (yytext[i] == '\t'));
i++);
if( isdigit(yytext[i]) ) {
flag = get_dec(yytext + i);
}
/*
* Since the root filename was purged of its path, we
* have to make sure that we don't try to add the
* full-path version. Also, if the root file includes
* another file in the same directory or a
* subdirectory, then we strip off the pathname of that
* file, too.
*
* XXX - This isn't the whole solution. If the root
* file includes a file relative to the parent
* directory (".."), then the preprocessor may give us
* only the exact path of the file, not the relative
* path. What we really want is the text inside the
* #include directive, rather than exact paths, perhaps
* with additional information as to which are system
* files and user files (e.g. whether included with <>
* or ""). Unfortunately, the preprocessor does away
* with the #include lines, and only gives us a
* relative or full pathname, although gcc is at least
* gracious enough to also indicate system include
* files.
*/
if (strcmp(infilename, root_filename) != 0) {
const char *root_dir = dir_part(root_filename);
int dir_len = strlen(root_dir);
if ((dir_len > 0)
&& (strncmp(infilename, root_dir, dir_len)
== 0)) {
current_i_file = meta_add_file(
&cur_aoi.meta_data,
infilename + dir_len + 1,
IO_FILE_INPUT);
} else {
current_i_file = meta_add_file(
&cur_aoi.meta_data,
infilename,
(IO_FILE_INPUT |
((flag == 3) ?
IO_FILE_SYSTEM : 0)));
}
} else {
current_i_file = root_file;
}
switch( flag ) {
case 2:
meta_include_file(&cur_aoi.meta_data,
current_i_file,
last_i_file);
break;
default:
break;
}
}
}
}
YY_BREAK
case 74:
YY_RULE_SETUP
#line 375 "scanner.ll"
{gotTokenAndWhite; }
YY_BREAK
case 75:
YY_RULE_SETUP
#line 377 "scanner.ll"
{ ++lineno;
tokenPos = nextPos = 0;
}
YY_BREAK
case 76:
YY_RULE_SETUP
#line 381 "scanner.ll"
{gotToken; LexError("illegal character `%s'", yytext);}
YY_BREAK
case 77:
YY_RULE_SETUP
#line 383 "scanner.ll"
ECHO;
YY_BREAK
#line 1460 "lex.yy.c"
case YY_STATE_EOF(INITIAL):
yyterminate();
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;
yy_current_state += YY_AT_BOL();
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 >= 253 )
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 >= 253 )
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 == 252);
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 */
#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;
yy_current_buffer->yy_at_bol = (c == '\n');
return c;
}
#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 );
}
#ifndef YY_ALWAYS_INTERACTIVE
#ifndef YY_NEVER_INTERACTIVE
extern int isatty YY_PROTO(( int ));
#endif
#endif
#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 383 "scanner.ll"
static int
ishexdigit(char c)
{
if (c >= '0' && c <= '9')
return 1;
if (c >= 'a' && c <= 'f')
return 1;
if (c >= 'A' && c <= 'F')
return 1;
return 0;
}
static unsigned int
get_dec(char *s)
{
unsigned int res = 0, lastres = 0;
while (*s >= '0' && *s <= '9' && lastres <= res) {
lastres = res;
res = res * 10 + *s - '0';
s++;
}
if (lastres > res)
LexError("decimal constant overflow");
return res;
}
/* converts a hex number string to an int. Note: `s' must not contain "0x" */
static unsigned int
get_hex(char *s)
{
unsigned int res = 0, lastres = 0;
while (((*s >= '0' && *s <= '9') ||
(*s >= 'a' && *s <= 'f') ||
(*s >= 'A' && *s <= 'F')) &&
(lastres <= res)) {
lastres = res;
if (*s >= '0' && *s <= '9')
res = res * 16 + *s - '0';
else
res = res * 16 + (*s & 0x1f + 9);
s++;
}
if (lastres > res)
LexError("hexadecimal constant overflow");
return res;
}
static unsigned int
get_oct(char *s)
{
unsigned int res = 0, lastres = 0;
while (*s >= '0' && *s < '8' && lastres <= res) {
lastres = res;
res = res * 8 + *s - '0';
s++;
}
if (lastres > res)
LexError("octal constant overflow");
return res;
}
static double
get_float(char *s)
{
double div = 0;
int exp = 0, sign = 1;
int mantissa = 1;
double res = 0;
while (1) {
if (*s >= '0' && *s <= '9') {
if (mantissa) {
if (div)
res += ((double)(*s - '0') / div);
else
res = res * 10 + (*s - '0');
div *= 10;
} else
exp = exp * 10 + (*s - '0');
} else if (*s == '.') {
div = 10;
} else if (*s == 'e' || *s == 'E') {
mantissa = 0;
} else if (*s == '-') {
sign = -1;
} else if (*s == '+') {
sign = 1;
} else {
res *= pow(10, sign * exp);
return res;
}
s++;
}
}
static char
get_chr_oct(char *s)
{
int ret = 0;
int pos = 0;
while (s[pos] >= '0' && s[pos] <= '7' && pos < 3)
ret = ret * 8 + s[pos++] - '0';
return (char) ret;
}
static char
get_chr_esc(char *s)
{
switch (*s) {
case 'n':
return '\n';
case 't':
return '\t';
case 'v':
return '\v';
case 'b':
return '\b';
case 'r':
return '\r';
case 'f':
return '\f';
case 'a':
return '\a';
case '\\':
return '\\';
case '\?':
return '?';
case '\'':
return '\'';
case '"':
return '"';
case 'x': {
char str[3];
int i;
for (i = 0;
s[i + 1] != '\0' && ishexdigit(s[i + 1]) && i < 2;
i++)
str[i] = s[i+1];
str[i] = 0;
return get_hex(str);
}
break;
default:
if (s[1] >= '0' && s[1] <= '7') {
int i;
for (i = 1; i <= 3 && s[i] >= '0' && s[i] <= '7'; i++)
{}
char save = s[i];
s[i] = '\0';
char out = (char)get_oct(&s[1]);
s[i] = save;
return out;
} else {
LexError("invalid escape sequence `%s'", s);
return s[1];
}
break;
}
}
#ifdef FLEX_SCANNER
static int my_yyinput(char* dest, int size) {
if (!linebuf[nextchar]) {
if (fgets(linebuf, BUFSIZE, yyin)) {
buflen = strlen(linebuf);
nextchar = 0;
} else {
dest[0] = '\0';
return 0;
}
}
size--; /* reserve room for NULL terminating char */
if (buflen - nextchar < size)
size = buflen - nextchar;
strncpy(dest, &linebuf[nextchar], size);
dest[size] = 0; /* terminate with null */
nextchar += size;
return size;
}
#else
static char
my_input()
{
if (!linebuf[nextchar]) {
fgets(linebuf, BUFSIZE, yyin);
nextchar = 0;
}
return linebuf[nextchar++];
}
static void my_unput(char c)
{
if (nextchar <= 0)
InternalError("cannot unput characters from previous lines");
else
linebuf[--nextchar] = c;
}
#endif
/* End of file. */
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