📄 lex.c
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#line 2 "lex.c"
/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.85 95/04/24 10:48:47 vern Exp $
*/
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#include <stdio.h>
/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif
#ifdef __cplusplus
#include <stdlib.h>
#include <unistd.h>
/* Use prototypes in function declarations. */
#define YY_USE_PROTOS
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
#if __STDC__
#define YY_USE_PROTOS
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef __TURBOC__
#pragma warn -rch
#pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif
#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
*/
#define BEGIN yy_start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START ((yy_start - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart( yyin )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#define YY_BUF_SIZE 16384
typedef struct yy_buffer_state *YY_BUFFER_STATE;
extern int yyleng;
extern FILE *yyin, *yyout;
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
/* The funky do-while in the following #define is used to turn the definition
* int a single C statement (which needs a semi-colon terminator). This
* avoids problems with code like:
*
* if ( condition_holds )
* yyless( 5 );
* else
* do_something_else();
*
* Prior to using the do-while the compiler would get upset at the
* "else" because it interpreted the "if" statement as being all
* done when it reached the ';' after the yyless() call.
*/
/* Return all but the first 'n' matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
*yy_cp = yy_hold_char; \
yy_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 *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 97
#define YY_END_OF_BUFFER 98
static yyconst short int yy_accept[253] =
{ 0,
0, 0, 0, 0, 0, 0, 98, 96, 90, 89,
61, 96, 49, 39, 96, 66, 67, 47, 45, 65,
46, 36, 48, 84, 83, 63, 64, 53, 52, 55,
62, 82, 68, 69, 41, 82, 82, 82, 82, 82,
82, 82, 82, 82, 82, 82, 82, 82, 82, 82,
82, 70, 40, 71, 42, 94, 92, 94, 97, 90,
58, 0, 88, 0, 76, 59, 81, 0, 0, 74,
43, 0, 84, 83, 72, 44, 73, 37, 0, 86,
91, 95, 75, 86, 84, 86, 0, 0, 83, 50,
54, 57, 56, 51, 82, 79, 82, 82, 82, 82,
82, 82, 82, 82, 27, 82, 82, 82, 82, 82,
82, 82, 23, 82, 82, 82, 82, 82, 82, 82,
82, 82, 82, 82, 82, 80, 60, 93, 87, 22,
0, 86, 0, 0, 86, 85, 77, 78, 82, 82,
82, 82, 82, 82, 82, 82, 82, 82, 82, 82,
82, 82, 25, 82, 4, 82, 82, 82, 82, 82,
82, 82, 82, 82, 82, 82, 82, 82, 82, 82,
0, 86, 0, 0, 86, 35, 18, 8, 82, 29,
7, 82, 82, 82, 82, 24, 14, 82, 82, 82,
31, 2, 82, 82, 82, 82, 82, 82, 82, 9,
82, 82, 82, 11, 82, 82, 0, 86, 33, 19,
82, 82, 82, 82, 10, 5, 82, 82, 1, 82,
82, 82, 82, 82, 13, 82, 82, 26, 82, 82,
6, 17, 82, 34, 38, 16, 12, 28, 82, 82,
82, 82, 30, 82, 15, 82, 82, 32, 20, 3,
21, 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, 4, 5, 1, 1, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 18,
18, 18, 18, 18, 18, 19, 19, 20, 21, 22,
23, 24, 25, 1, 26, 26, 26, 26, 27, 26,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 29, 28, 28,
30, 31, 32, 33, 34, 1, 35, 36, 37, 38,
39, 40, 41, 42, 43, 28, 44, 45, 46, 47,
48, 49, 28, 50, 51, 52, 53, 54, 55, 56,
57, 58, 59, 60, 61, 62, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[63] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 2, 1, 1,
1, 1, 1, 1, 1, 1, 3, 3, 3, 1,
1, 1, 1, 1, 1, 3, 3, 4, 4, 1,
1, 1, 1, 4, 3, 3, 3, 3, 3, 3,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 1, 1,
1, 1
} ;
static yyconst short int yy_base[259] =
{ 0,
0, 0, 60, 61, 0, 0, 377, 378, 374, 378,
352, 60, 351, 59, 342, 378, 378, 349, 58, 378,
69, 79, 79, 86, 91, 378, 378, 45, 348, 55,
378, 0, 378, 378, 347, 334, 315, 64, 81, 41,
72, 76, 319, 60, 318, 326, 84, 81, 317, 315,
320, 378, 62, 378, 378, 378, 378, 345, 378, 358,
378, 115, 378, 356, 378, 378, 378, 124, 66, 378,
378, 116, 130, 135, 378, 378, 378, 378, 343, 146,
378, 378, 378, 149, 160, 165, 177, 0, 183, 334,
378, 378, 378, 333, 0, 378, 304, 302, 305, 313,
300, 315, 302, 308, 294, 295, 292, 292, 298, 294,
291, 288, 0, 287, 291, 99, 289, 278, 106, 292,
281, 284, 154, 115, 289, 378, 378, 378, 378, 378,
194, 197, 209, 153, 200, 0, 378, 378, 285, 282,
284, 293, 288, 276, 92, 290, 288, 284, 276, 282,
269, 284, 0, 270, 0, 276, 273, 262, 264, 274,
260, 258, 258, 270, 269, 259, 263, 267, 269, 258,
212, 215, 223, 226, 229, 0, 0, 0, 258, 0,
0, 249, 257, 246, 253, 0, 0, 247, 257, 243,
0, 0, 243, 243, 240, 243, 247, 252, 251, 0,
249, 239, 244, 0, 232, 244, 232, 235, 0, 0,
235, 236, 241, 232, 0, 0, 226, 230, 0, 236,
238, 222, 231, 229, 0, 192, 195, 0, 172, 168,
0, 0, 170, 0, 0, 0, 0, 0, 167, 164,
148, 151, 0, 131, 0, 123, 98, 0, 0, 0,
0, 378, 254, 258, 262, 266, 268, 96
} ;
static yyconst short int yy_def[259] =
{ 0,
252, 1, 253, 253, 254, 254, 252, 252, 252, 252,
252, 255, 252, 252, 256, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 257, 252, 252, 252, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 255, 252, 255, 252, 252, 252, 256, 256, 252,
252, 252, 252, 252, 252, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 252, 252, 258, 252, 252,
252, 252, 252, 252, 257, 252, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 252, 252, 252, 252, 252,
252, 252, 252, 252, 252, 258, 252, 252, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
252, 252, 252, 252, 252, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 252, 252, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 257, 257, 257, 257, 257, 257, 257, 257, 257,
257, 0, 252, 252, 252, 252, 252, 252
} ;
static yyconst short int yy_nxt[441] =
{ 0,
8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25, 25, 26,
27, 28, 29, 30, 31, 32, 32, 32, 32, 33,
8, 34, 35, 36, 37, 38, 39, 40, 41, 42,
43, 32, 44, 32, 45, 32, 32, 32, 32, 46,
47, 48, 49, 50, 51, 32, 32, 32, 52, 53,
54, 55, 57, 57, 63, 66, 90, 91, 252, 71,
58, 58, 72, 68, 73, 74, 74, 93, 94, 104,
75, 67, 76, 72, 126, 73, 74, 74, 105, 81,
64, 77, 78, 79, 82, 80, 80, 80, 136, 113,
84, 83, 85, 85, 86, 84, 114, 89, 89, 89,
109, 99, 87, 100, 88, 101, 106, 87, 107, 63,
110, 127, 102, 111, 87, 117, 118, 108, 103, 87,
121, 129, 80, 80, 80, 119, 251, 122, 120, 157,
161, 88, 182, 183, 84, 64, 85, 85, 86, 84,
158, 89, 89, 89, 69, 162, 87, 168, 88, 169,
250, 87, 80, 80, 80, 132, 132, 132, 87, 135,
135, 135, 131, 87, 84, 133, 85, 85, 86, 84,
249, 86, 86, 86, 131, 88, 87, 133, 134, 248,
134, 87, 247, 135, 135, 135, 166, 84, 87, 89,
89, 89, 246, 87, 167, 171, 245, 171, 244, 87,
172, 172, 172, 132, 132, 132, 135, 135, 135, 243,
174, 87, 174, 173, 242, 175, 175, 175, 172, 172,
172, 172, 172, 172, 207, 173, 207, 241, 240, 208,
208, 208, 175, 175, 175, 175, 175, 175, 208, 208,
208, 208, 208, 208, 56, 56, 56, 56, 59, 59,
59, 59, 62, 62, 62, 62, 68, 239, 68, 68,
95, 95, 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, 206, 205, 204, 203, 202, 201, 200, 199,
198, 197, 196, 195, 194, 193, 192, 191, 190, 189,
188, 187, 186, 185, 184, 181, 180, 179, 178, 177,
176, 170, 165, 164, 163, 160, 159, 156, 155, 154,
153, 152, 151, 150, 149, 148, 147, 146, 145, 144,
143, 142, 141, 140, 139, 138, 137, 130, 252, 60,
128, 125, 124, 123, 116, 115, 112, 98, 97, 96,
92, 70, 69, 65, 61, 60, 252, 7, 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[441] =
{ 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, 3, 4, 12, 14, 28, 28, 69, 19,
3, 4, 19, 69, 19, 19, 19, 30, 30, 40,
19, 14, 21, 21, 53, 21, 21, 21, 40, 23,
12, 21, 21, 22, 23, 22, 22, 22, 258, 44,
24, 23, 24, 24, 24, 25, 44, 25, 25, 25,
42, 38, 24, 38, 24, 39, 41, 25, 41, 62,
42, 53, 39, 42, 24, 47, 47, 41, 39, 25,
48, 68, 72, 72, 72, 47, 247, 48, 47, 116,
119, 24, 145, 145, 73, 62, 73, 73, 73, 74,
116, 74, 74, 74, 68, 119, 73, 124, 73, 124,
246, 74, 80, 80, 80, 84, 84, 84, 73, 134,
134, 134, 80, 74, 85, 84, 85, 85, 85, 86,
244, 86, 86, 86, 80, 73, 85, 84, 87, 242,
87, 86, 241, 87, 87, 87, 123, 89, 85, 89,
89, 89, 240, 86, 123, 131, 239, 131, 233, 89,
131, 131, 131, 132, 132, 132, 135, 135, 135, 230,
133, 89, 133, 132, 229, 133, 133, 133, 171, 171,
171, 172, 172, 172, 173, 132, 173, 227, 226, 173,
173, 173, 174, 174, 174, 175, 175, 175, 207, 207,
207, 208, 208, 208, 253, 253, 253, 253, 254, 254,
254, 254, 255, 255, 255, 255, 256, 224, 256, 256,
257, 257, 223, 222, 221, 220, 218, 217, 214, 213,
212, 211, 206, 205, 203, 202, 201, 199, 198, 197,
196, 195, 194, 193, 190, 189, 188, 185, 184, 183,
182, 179, 170, 169, 168, 167, 166, 165, 164, 163,
162, 161, 160, 159, 158, 157, 156, 154, 152, 151,
150, 149, 148, 147, 146, 144, 143, 142, 141, 140,
139, 125, 122, 121, 120, 118, 117, 115, 114, 112,
111, 110, 109, 108, 107, 106, 105, 104, 103, 102,
101, 100, 99, 98, 97, 94, 90, 79, 64, 60,
58, 51, 50, 49, 46, 45, 43, 37, 36, 35,
29, 18, 15, 13, 11, 9, 7, 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
char *yytext;
#line 1 "lex.l"
#define INITIAL 0
#line 2 "lex.l"
/***********************************************************
Lex script of DCC
dusiqi 2007
***********************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "utility.h"
#include "syntax.h"
#include <string.h>
#include "yacc.h"
//to allow define a variable with the same name as his type
//but it seems so troublesome, no supprt to it this moment
bool all_id_flag = false;
//if support backslash-newline, all these code need modify
//even recreate.
static int check_type(const char *text);
static char *charmap(char *ch, int *val);
static char *parsestring(char *str, int len);
/*Comments must be removed after cpp was executed*/
/*now I put cpp into lexer*/
#define comment 1
#define preprocess 2
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