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llvm-mirror/lib/AsmParser/Lexer.cpp
Chris Lattner bb3f9b179a Implement forward/external declarations for methods. Also, emit an error if a method 
is defined more than once, instead of crashing.

llvm-svn: 195
2001-07-15 06:35:53 +00:00

2066 lines
53 KiB
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#define yy_create_buffer llvmAsm_create_buffer
#define yy_delete_buffer llvmAsm_delete_buffer
#define yy_scan_buffer llvmAsm_scan_buffer
#define yy_scan_string llvmAsm_scan_string
#define yy_scan_bytes llvmAsm_scan_bytes
#define yy_flex_debug llvmAsm_flex_debug
#define yy_init_buffer llvmAsm_init_buffer
#define yy_flush_buffer llvmAsm_flush_buffer
#define yy_load_buffer_state llvmAsm_load_buffer_state
#define yy_switch_to_buffer llvmAsm_switch_to_buffer
#define yyin llvmAsmin
#define yyleng llvmAsmleng
#define yylex llvmAsmlex
#define yyout llvmAsmout
#define yyrestart llvmAsmrestart
#define yytext llvmAsmtext
#define yylineno llvmAsmlineno
#line 20 "Lexer.cpp"
/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header$
*/
#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 inline 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)
#define YY_USES_REJECT
#define yywrap() 1
#define YY_SKIP_YYWRAP
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern int yylineno;
int yylineno = 1;
extern char *yytext;
#define yytext_ptr yytext
static yy_state_type yy_get_previous_state 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 59
#define YY_END_OF_BUFFER 60
static yyconst short int yy_acclist[115] =
{ 0,
60, 58, 59, 57, 58, 59, 57, 59, 58, 59,
58, 59, 58, 59, 58, 59, 52, 58, 59, 1,
58, 59, 58, 59, 58, 59, 58, 59, 58, 59,
58, 59, 58, 59, 58, 59, 58, 59, 58, 59,
58, 59, 58, 59, 58, 59, 58, 59, 58, 59,
58, 59, 58, 59, 58, 59, 50, 49, 54, 53,
56, 52, 1, 41, 34, 51, 49, 55, 56, 23,
26, 3, 14, 25, 22, 35, 27, 40, 38, 39,
24, 9, 36, 37, 45, 46, 16, 4, 20, 15,
8, 2, 5, 18, 21, 10, 29, 33, 31, 32,
30, 28, 12, 47, 11, 17, 44, 19, 43, 42,
13, 6, 48, 7
} ;
static yyconst short int yy_accept[201] =
{ 0,
1, 1, 1, 2, 4, 7, 9, 11, 13, 15,
17, 20, 23, 25, 27, 29, 31, 33, 35, 37,
39, 41, 43, 45, 47, 49, 51, 53, 55, 57,
57, 57, 58, 59, 59, 60, 61, 62, 63, 64,
64, 64, 64, 64, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65, 65, 65, 65, 65,
65, 65, 65, 65, 65, 65, 65, 65, 65, 66,
66, 66, 66, 66, 66, 66, 66, 67, 68, 69,
70, 71, 71, 71, 71, 71, 71, 71, 72, 72,
73, 73, 73, 73, 73, 73, 74, 74, 74, 74,
74, 75, 76, 77, 78, 79, 79, 79, 80, 80,
81, 81, 82, 82, 82, 82, 82, 82, 82, 82,
82, 82, 82, 83, 84, 85, 85, 85, 85, 85,
86, 86, 86, 86, 87, 88, 88, 88, 88, 88,
88, 88, 88, 88, 88, 89, 90, 90, 91, 91,
91, 92, 92, 93, 93, 93, 94, 95, 95, 95,
96, 96, 97, 98, 99, 100, 101, 102, 103, 104,
105, 105, 106, 107, 107, 108, 108, 109, 109, 109,
110, 111, 112, 113, 113, 113, 113, 113, 113, 113,
113, 113, 113, 113, 113, 113, 114, 114, 115, 115
} ;
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, 1, 5, 6, 1, 1, 1,
1, 1, 1, 1, 7, 8, 1, 9, 9, 9,
9, 9, 9, 9, 9, 9, 9, 10, 11, 1,
1, 1, 1, 1, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
1, 1, 1, 1, 5, 1, 12, 13, 14, 15,
16, 17, 18, 19, 20, 5, 5, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32, 5,
33, 5, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 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[34] =
{ 0,
1, 1, 2, 3, 4, 1, 5, 4, 4, 6,
1, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4
} ;
static yyconst short int yy_base[205] =
{ 0,
0, 0, 396, 397, 397, 397, 0, 385, 27, 385,
29, 0, 25, 31, 32, 33, 38, 42, 35, 49,
50, 54, 46, 57, 63, 75, 65, 98, 58, 389,
382, 397, 0, 382, 381, 380, 68, 87, 0, 71,
80, 92, 89, 378, 93, 73, 96, 70, 102, 99,
105, 106, 113, 40, 114, 115, 121, 120, 124, 122,
126, 125, 127, 128, 129, 138, 139, 145, 377, 148,
149, 130, 154, 151, 157, 159, 397, 0, 377, 161,
375, 156, 162, 163, 171, 158, 173, 374, 175, 373,
176, 179, 180, 183, 185, 372, 187, 190, 191, 192,
371, 370, 369, 368, 367, 188, 208, 366, 198, 365,
200, 364, 201, 204, 205, 206, 209, 213, 218, 197,
223, 222, 363, 362, 361, 229, 230, 233, 224, 360,
234, 236, 237, 359, 358, 238, 240, 244, 247, 249,
250, 251, 257, 254, 357, 356, 259, 355, 261, 262,
354, 271, 353, 264, 272, 352, 351, 274, 275, 350,
282, 349, 348, 347, 346, 345, 344, 343, 342, 341,
267, 336, 331, 277, 326, 283, 319, 285, 284, 317,
315, 311, 310, 288, 291, 292, 293, 295, 298, 301,
299, 302, 303, 306, 308, 309, 307, 212, 397, 333,
336, 339, 344, 89
} ;
static yyconst short int yy_def[205] =
{ 0,
199, 1, 199, 199, 199, 199, 200, 201, 202, 199,
201, 203, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 200,
201, 199, 204, 199, 199, 199, 201, 201, 203, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 199, 204, 199, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 201, 201,
201, 201, 201, 201, 201, 201, 201, 201, 0, 199,
199, 199, 199, 199
} ;
static yyconst short int yy_nxt[431] =
{ 0,
4, 5, 6, 7, 8, 9, 10, 8, 11, 4,
12, 13, 14, 15, 16, 17, 18, 19, 8, 20,
21, 22, 23, 8, 24, 8, 25, 26, 27, 28,
29, 8, 8, 34, 32, 35, 37, 38, 32, 40,
32, 32, 32, 45, 32, 41, 42, 32, 46, 32,
53, 32, 47, 50, 43, 32, 48, 44, 32, 32,
49, 56, 51, 32, 95, 58, 32, 32, 52, 60,
54, 55, 32, 57, 32, 61, 80, 32, 62, 32,
32, 76, 32, 59, 32, 81, 87, 63, 69, 32,
64, 70, 78, 65, 37, 38, 32, 71, 32, 89,
82, 32, 32, 66, 67, 32, 68, 32, 32, 83,
72, 32, 84, 85, 32, 32, 90, 73, 74, 91,
86, 93, 32, 32, 32, 75, 88, 97, 92, 32,
32, 32, 98, 32, 32, 32, 32, 32, 32, 32,
100, 94, 96, 99, 101, 103, 104, 32, 32, 108,
102, 112, 109, 105, 32, 110, 107, 32, 32, 106,
32, 111, 116, 32, 113, 32, 32, 32, 32, 80,
32, 32, 32, 115, 118, 119, 117, 114, 120, 121,
32, 122, 32, 123, 32, 32, 125, 127, 32, 32,
129, 124, 32, 126, 32, 130, 32, 32, 131, 32,
32, 32, 133, 128, 134, 132, 32, 32, 135, 32,
32, 151, 136, 32, 32, 32, 137, 32, 32, 145,
146, 32, 32, 138, 142, 139, 143, 32, 140, 144,
141, 32, 32, 32, 147, 149, 152, 148, 32, 32,
154, 150, 32, 32, 153, 32, 32, 32, 156, 32,
155, 159, 157, 32, 158, 162, 32, 160, 32, 32,
32, 161, 164, 32, 166, 168, 32, 171, 32, 163,
32, 32, 170, 32, 172, 165, 32, 167, 173, 169,
32, 32, 175, 32, 32, 181, 32, 177, 174, 178,
176, 32, 32, 32, 32, 180, 179, 32, 183, 185,
32, 32, 32, 186, 32, 182, 184, 32, 32, 191,
32, 32, 32, 187, 188, 32, 32, 32, 32, 32,
32, 189, 195, 190, 32, 192, 32, 193, 32, 198,
194, 197, 196, 30, 30, 32, 30, 30, 30, 31,
32, 31, 33, 33, 39, 32, 39, 39, 39, 39,
32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
32, 32, 32, 32, 32, 79, 32, 32, 36, 35,
79, 32, 77, 36, 32, 199, 3, 199, 199, 199,
199, 199, 199, 199, 199, 199, 199, 199, 199, 199,
199, 199, 199, 199, 199, 199, 199, 199, 199, 199,
199, 199, 199, 199, 199, 199, 199, 199, 199, 199
} ;
static yyconst short int yy_chk[431] =
{ 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, 9, 13, 9, 11, 11, 11, 13,
14, 15, 16, 15, 19, 13, 14, 17, 16, 54,
19, 18, 16, 18, 14, 23, 16, 14, 20, 21,
17, 21, 18, 22, 54, 22, 24, 29, 18, 23,
20, 20, 25, 21, 27, 24, 37, 37, 25, 48,
40, 29, 46, 22, 26, 40, 46, 26, 27, 41,
26, 27, 204, 26, 38, 38, 38, 27, 43, 48,
41, 42, 45, 26, 26, 47, 26, 28, 50, 42,
28, 49, 43, 45, 51, 52, 49, 28, 28, 50,
45, 52, 53, 55, 56, 28, 47, 56, 51, 58,
57, 60, 57, 59, 62, 61, 63, 64, 65, 72,
58, 53, 55, 57, 59, 61, 62, 66, 67, 65,
60, 67, 65, 62, 68, 65, 64, 70, 71, 63,
74, 66, 72, 73, 68, 82, 75, 86, 76, 80,
80, 83, 84, 71, 74, 75, 73, 70, 76, 82,
85, 83, 87, 84, 89, 91, 86, 89, 92, 93,
92, 85, 94, 87, 95, 93, 97, 106, 94, 98,
99, 100, 97, 91, 98, 95, 120, 109, 99, 111,
113, 120, 100, 114, 115, 116, 106, 107, 117, 114,
115, 198, 118, 107, 109, 107, 111, 119, 107, 113,
107, 122, 121, 129, 116, 118, 121, 117, 126, 127,
126, 119, 128, 131, 122, 132, 133, 136, 128, 137,
127, 132, 129, 138, 131, 137, 139, 133, 140, 141,
142, 136, 139, 144, 140, 141, 143, 144, 147, 138,
149, 150, 143, 154, 147, 139, 171, 140, 149, 142,
152, 155, 152, 158, 159, 171, 174, 155, 150, 158,
154, 161, 176, 179, 178, 161, 159, 184, 176, 179,
185, 186, 187, 184, 188, 174, 178, 189, 191, 189,
190, 192, 193, 185, 186, 194, 197, 195, 196, 183,
182, 187, 193, 188, 181, 190, 180, 191, 177, 197,
192, 195, 194, 200, 200, 175, 200, 200, 200, 201,
173, 201, 202, 202, 203, 172, 203, 203, 203, 203,
170, 169, 168, 167, 166, 165, 164, 163, 162, 160,
157, 156, 153, 151, 148, 146, 145, 135, 134, 130,
125, 124, 123, 112, 110, 108, 105, 104, 103, 102,
101, 96, 90, 88, 81, 79, 69, 44, 36, 35,
34, 31, 30, 10, 8, 3, 199, 199, 199, 199,
199, 199, 199, 199, 199, 199, 199, 199, 199, 199,
199, 199, 199, 199, 199, 199, 199, 199, 199, 199,
199, 199, 199, 199, 199, 199, 199, 199, 199, 199
} ;
static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;
static char *yy_full_match;
static int yy_lp;
#define REJECT \
{ \
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \
yy_cp = yy_full_match; /* restore poss. backed-over text */ \
++yy_lp; \
goto find_rule; \
}
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "Lexer.l"
#define INITIAL 0
/*===-- Lexer.l - Scanner for llvm assembly files ----------------*- C++ -*--=//
//
// This file implements the flex scanner for LLVM assembly languages files.
//
//===------------------------------------------------------------------------=*/
#define YY_NEVER_INTERACTIVE 1
#line 21 "Lexer.l"
#include "ParserInternals.h"
#include "llvm/BasicBlock.h"
#include "llvm/Method.h"
#include "llvm/Module.h"
#include <list>
#include "llvmAsmParser.h"
#define RET_TOK(type, Enum, sym) \
llvmAsmlval.type = Instruction::Enum; return sym
// TODO: All of the static identifiers are figured out by the lexer,
// these should be hashed.
// atoull - Convert an ascii string of decimal digits into the unsigned long
// long representation... this does not have to do input error checking,
// because we know that the input will be matched by a suitable regex...
//
uint64_t atoull(const char *Buffer) {
uint64_t Result = 0;
for (; *Buffer; Buffer++) {
uint64_t OldRes = Result;
Result *= 10;
Result += *Buffer-'0';
if (Result < OldRes) { // Uh, oh, overflow detected!!!
ThrowException("constant bigger than 64 bits detected!");
}
}
return Result;
}
#define YY_NEVER_INTERACTIVE 1
/* Comments start with a ; and go till end of line */
/* Variable(Value) identifiers start with a % sign */
/* Label identifiers end with a colon */
/* Quoted names can contain any character except " and \ */
/* [PN]Integer: match positive and negative literal integer values that
* are preceeded by a '%' character. These represent unnamed variable slots.
*/
/* E[PN]Integer: match positive and negative literal integer values */
/* FPConstant - A Floating point constant.
TODO: Expand lexer to support 10e50 FP constant notation */
#line 620 "Lexer.cpp"
/* 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 inline 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, *yy_bp;
register int yy_act;
#line 87 "Lexer.l"
#line 774 "Lexer.cpp"
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_state_ptr = yy_state_buf;
*yy_state_ptr++ = yy_current_state;
yy_match:
do
{
register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*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 >= 200 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
*yy_state_ptr++ = yy_current_state;
++yy_cp;
}
while ( yy_current_state != 199 );
yy_find_action:
yy_current_state = *--yy_state_ptr;
yy_lp = yy_accept[yy_current_state];
for ( ; ; ) /* until we find what rule we matched */
{
if ( yy_lp && yy_lp < yy_accept[yy_current_state + 1] )
{
yy_act = yy_acclist[yy_lp];
{
yy_full_match = yy_cp;
break;
}
}
--yy_cp;
yy_current_state = *--yy_state_ptr;
yy_lp = yy_accept[yy_current_state];
}
YY_DO_BEFORE_ACTION;
if ( yy_act != YY_END_OF_BUFFER )
{
int yyl;
for ( yyl = 0; yyl < yyleng; ++yyl )
if ( yytext[yyl] == '\n' )
++yylineno;
}
do_action: /* This label is used only to access EOF actions. */
switch ( yy_act )
{ /* beginning of action switch */
case 1:
YY_RULE_SETUP
#line 89 "Lexer.l"
{ /* Ignore comments for now */ }
YY_BREAK
case 2:
YY_RULE_SETUP
#line 91 "Lexer.l"
{ return BEGINTOK; }
YY_BREAK
case 3:
YY_RULE_SETUP
#line 92 "Lexer.l"
{ return END; }
YY_BREAK
case 4:
YY_RULE_SETUP
#line 93 "Lexer.l"
{ return TRUE; }
YY_BREAK
case 5:
YY_RULE_SETUP
#line 94 "Lexer.l"
{ return FALSE; }
YY_BREAK
case 6:
YY_RULE_SETUP
#line 95 "Lexer.l"
{ return DECLARE; }
YY_BREAK
case 7:
YY_RULE_SETUP
#line 96 "Lexer.l"
{ return IMPLEMENTATION; }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 98 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::VoidTy ; return VOID; }
YY_BREAK
case 9:
YY_RULE_SETUP
#line 99 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::BoolTy ; return BOOL; }
YY_BREAK
case 10:
YY_RULE_SETUP
#line 100 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::SByteTy ; return SBYTE; }
YY_BREAK
case 11:
YY_RULE_SETUP
#line 101 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::UByteTy ; return UBYTE; }
YY_BREAK
case 12:
YY_RULE_SETUP
#line 102 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::ShortTy ; return SHORT; }
YY_BREAK
case 13:
YY_RULE_SETUP
#line 103 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::UShortTy; return USHORT; }
YY_BREAK
case 14:
YY_RULE_SETUP
#line 104 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::IntTy ; return INT; }
YY_BREAK
case 15:
YY_RULE_SETUP
#line 105 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::UIntTy ; return UINT; }
YY_BREAK
case 16:
YY_RULE_SETUP
#line 106 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::LongTy ; return LONG; }
YY_BREAK
case 17:
YY_RULE_SETUP
#line 107 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::ULongTy ; return ULONG; }
YY_BREAK
case 18:
YY_RULE_SETUP
#line 108 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::FloatTy ; return FLOAT; }
YY_BREAK
case 19:
YY_RULE_SETUP
#line 109 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::DoubleTy; return DOUBLE; }
YY_BREAK
case 20:
YY_RULE_SETUP
#line 111 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::TypeTy ; return TYPE; }
YY_BREAK
case 21:
YY_RULE_SETUP
#line 113 "Lexer.l"
{ llvmAsmlval.TypeVal = Type::LabelTy ; return LABEL; }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 116 "Lexer.l"
{ RET_TOK(UnaryOpVal, Not, NOT); }
YY_BREAK
case 23:
YY_RULE_SETUP
#line 118 "Lexer.l"
{ RET_TOK(BinaryOpVal, Add, ADD); }
YY_BREAK
case 24:
YY_RULE_SETUP
#line 119 "Lexer.l"
{ RET_TOK(BinaryOpVal, Sub, SUB); }
YY_BREAK
case 25:
YY_RULE_SETUP
#line 120 "Lexer.l"
{ RET_TOK(BinaryOpVal, Mul, MUL); }
YY_BREAK
case 26:
YY_RULE_SETUP
#line 121 "Lexer.l"
{ RET_TOK(BinaryOpVal, Div, DIV); }
YY_BREAK
case 27:
YY_RULE_SETUP
#line 122 "Lexer.l"
{ RET_TOK(BinaryOpVal, Rem, REM); }
YY_BREAK
case 28:
YY_RULE_SETUP
#line 123 "Lexer.l"
{ RET_TOK(BinaryOpVal, SetNE, SETNE); }
YY_BREAK
case 29:
YY_RULE_SETUP
#line 124 "Lexer.l"
{ RET_TOK(BinaryOpVal, SetEQ, SETEQ); }
YY_BREAK
case 30:
YY_RULE_SETUP
#line 125 "Lexer.l"
{ RET_TOK(BinaryOpVal, SetLT, SETLT); }
YY_BREAK
case 31:
YY_RULE_SETUP
#line 126 "Lexer.l"
{ RET_TOK(BinaryOpVal, SetGT, SETGT); }
YY_BREAK
case 32:
YY_RULE_SETUP
#line 127 "Lexer.l"
{ RET_TOK(BinaryOpVal, SetLE, SETLE); }
YY_BREAK
case 33:
YY_RULE_SETUP
#line 128 "Lexer.l"
{ RET_TOK(BinaryOpVal, SetGE, SETGE); }
YY_BREAK
case 34:
YY_RULE_SETUP
#line 130 "Lexer.l"
{ return TO; }
YY_BREAK
case 35:
YY_RULE_SETUP
#line 131 "Lexer.l"
{ RET_TOK(OtherOpVal, PHINode, PHI); }
YY_BREAK
case 36:
YY_RULE_SETUP
#line 132 "Lexer.l"
{ RET_TOK(OtherOpVal, Call, CALL); }
YY_BREAK
case 37:
YY_RULE_SETUP
#line 133 "Lexer.l"
{ RET_TOK(OtherOpVal, Cast, CAST); }
YY_BREAK
case 38:
YY_RULE_SETUP
#line 134 "Lexer.l"
{ RET_TOK(OtherOpVal, Shl, SHL); }
YY_BREAK
case 39:
YY_RULE_SETUP
#line 135 "Lexer.l"
{ RET_TOK(OtherOpVal, Shr, SHR); }
YY_BREAK
case 40:
YY_RULE_SETUP
#line 137 "Lexer.l"
{ RET_TOK(TermOpVal, Ret, RET); }
YY_BREAK
case 41:
YY_RULE_SETUP
#line 138 "Lexer.l"
{ RET_TOK(TermOpVal, Br, BR); }
YY_BREAK
case 42:
YY_RULE_SETUP
#line 139 "Lexer.l"
{ RET_TOK(TermOpVal, Switch, SWITCH); }
YY_BREAK
case 43:
YY_RULE_SETUP
#line 142 "Lexer.l"
{ RET_TOK(MemOpVal, Malloc, MALLOC); }
YY_BREAK
case 44:
YY_RULE_SETUP
#line 143 "Lexer.l"
{ RET_TOK(MemOpVal, Alloca, ALLOCA); }
YY_BREAK
case 45:
YY_RULE_SETUP
#line 144 "Lexer.l"
{ RET_TOK(MemOpVal, Free, FREE); }
YY_BREAK
case 46:
YY_RULE_SETUP
#line 145 "Lexer.l"
{ RET_TOK(MemOpVal, Load, LOAD); }
YY_BREAK
case 47:
YY_RULE_SETUP
#line 146 "Lexer.l"
{ RET_TOK(MemOpVal, Store, STORE); }
YY_BREAK
case 48:
YY_RULE_SETUP
#line 147 "Lexer.l"
{ RET_TOK(MemOpVal, GetElementPtr, GETELEMENTPTR); }
YY_BREAK
case 49:
YY_RULE_SETUP
#line 150 "Lexer.l"
{ llvmAsmlval.StrVal = strdup(yytext+1); return VAR_ID; }
YY_BREAK
case 50:
YY_RULE_SETUP
#line 151 "Lexer.l"
{
yytext[strlen(yytext)-1] = 0; // nuke colon
llvmAsmlval.StrVal = strdup(yytext);
return LABELSTR;
}
YY_BREAK
case 51:
YY_RULE_SETUP
#line 157 "Lexer.l"
{
yytext[strlen(yytext)-1] = 0; // nuke end quote
llvmAsmlval.StrVal = strdup(yytext+1); // Nuke start quote
return STRINGCONSTANT;
}
YY_BREAK
case 52:
YY_RULE_SETUP
#line 164 "Lexer.l"
{ llvmAsmlval.UInt64Val = atoull(yytext); return EUINT64VAL; }
YY_BREAK
case 53:
YY_RULE_SETUP
#line 165 "Lexer.l"
{
uint64_t Val = atoull(yytext+1);
// +1: we have bigger negative range
if (Val > (uint64_t)INT64_MAX+1)
ThrowException("Constant too large for signed 64 bits!");
llvmAsmlval.SInt64Val = -Val;
return ESINT64VAL;
}
YY_BREAK
case 54:
YY_RULE_SETUP
#line 175 "Lexer.l"
{ llvmAsmlval.UIntVal = atoull(yytext+1); return UINTVAL; }
YY_BREAK
case 55:
YY_RULE_SETUP
#line 176 "Lexer.l"
{
uint64_t Val = atoull(yytext+2);
// +1: we have bigger negative range
if (Val > (uint64_t)INT32_MAX+1)
ThrowException("Constant too large for signed 32 bits!");
llvmAsmlval.SIntVal = -Val;
return SINTVAL;
}
YY_BREAK
case 56:
YY_RULE_SETUP
#line 185 "Lexer.l"
{ llvmAsmlval.FPVal = atof(yytext); return FPVAL; }
YY_BREAK
case 57:
YY_RULE_SETUP
#line 187 "Lexer.l"
{ /* Ignore whitespace */ }
YY_BREAK
case 58:
YY_RULE_SETUP
#line 188 "Lexer.l"
{ /*printf("'%s'", yytext);*/ return yytext[0]; }
YY_BREAK
case 59:
YY_RULE_SETUP
#line 190 "Lexer.l"
YY_FATAL_ERROR( "flex scanner jammed" );
YY_BREAK
#line 1182 "Lexer.cpp"
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_state_ptr = yy_state_buf;
*yy_state_ptr++ = yy_current_state;
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);
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 >= 200 )
yy_c = yy_meta[(unsigned int) yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
*yy_state_ptr++ = yy_current_state;
}
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 YY_CHAR yy_c = 1;
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 >= 200 )
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 == 199);
if ( ! yy_is_jam )
*yy_state_ptr++ = yy_current_state;
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
#ifdef YY_USE_PROTOS
static inline void yyunput( int c, register char *yy_bp )
#else
static inline 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;
if ( c == '\n' )
--yylineno;
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;
if ( c == '\n' )
++yylineno;
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 inline void *yy_flex_realloc( void *ptr, yy_size_t size )
#else
static inline 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 190 "Lexer.l"
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