Wed Oct 28 15:48:21 2009

Asterisk developer's documentation


ast_expr2f.c File Reference

Dialplan Expression Parser. More...

#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include <locale.h>
#include <ctype.h>
#include <err.h>
#include <regex.h>
#include <limits.h>
#include <asterisk/ast_expr.h>
#include <asterisk/logger.h>
#include <asterisk/strings.h>
#include "ast_expr2.h"
#include <unistd.h>

Include dependency graph for ast_expr2f.c:

Go to the source code of this file.

Data Structures

struct  parse_io
struct  val
struct  yy_buffer_state
struct  yy_trans_info
struct  yyguts_t

Defines

#define ast_yywrap(n)   1
#define BEGIN   yyg->yy_start = 1 + 2 *
#define ECHO   (void) fwrite( yytext, yyleng, 1, yyout )
#define EOB_ACT_CONTINUE_SCAN   0
#define EOB_ACT_END_OF_FILE   1
#define EOB_ACT_LAST_MATCH   2
#define FLEX_BETA
#define FLEX_SCANNER
#define INITIAL   0
#define INT16_MAX   (32767)
#define INT16_MIN   (-32767-1)
#define INT32_MAX   (2147483647)
#define INT32_MIN   (-2147483647-1)
#define INT8_MAX   (127)
#define INT8_MIN   (-128)
#define REJECT   reject_used_but_not_detected
#define SET_COLUMNS   yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);yylloc_param->last_column = yylloc_param->last_column + yyleng - 1; yylloc_param->first_line = yylloc_param->last_line = 1
#define SET_NUMERIC_STRING   yylval_param->val = (struct val *)calloc(sizeof(struct val),1); yylval_param->val->type = AST_EXPR_numeric_string; yylval_param->val->u.s = strdup(yytext);
#define SET_STRING   yylval_param->val = (struct val *)calloc(sizeof(struct val),1); yylval_param->val->type = AST_EXPR_string; yylval_param->val->u.s = strdup(yytext);
#define trail   2
#define UINT16_MAX   (65535U)
#define UINT32_MAX   (4294967295U)
#define UINT8_MAX   (255U)
#define unput(c)   yyunput( c, yyg->yytext_ptr , yyscanner )
#define var   1
#define YY_AT_BOL()   (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
#define YY_BREAK   break;
#define YY_BUF_SIZE   16384
#define YY_BUFFER_EOF_PENDING   2
#define YY_BUFFER_NEW   0
#define YY_BUFFER_NORMAL   1
#define YY_CURRENT_BUFFER
#define YY_CURRENT_BUFFER_LVALUE   yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
#define YY_DECL   int ast_yylex (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
#define YY_DECL_IS_OURS   1
#define YY_DO_BEFORE_ACTION
#define YY_END_OF_BUFFER   31
#define YY_END_OF_BUFFER_CHAR   0
#define YY_EXIT_FAILURE   2
#define YY_EXTRA_TYPE   void *
#define YY_FATAL_ERROR(msg)   yy_fatal_error( msg , yyscanner)
#define yy_flex_debug   yyg->yy_flex_debug_r
#define YY_FLEX_MAJOR_VERSION   2
#define YY_FLEX_MINOR_VERSION   5
#define YY_FLEX_SUBMINOR_VERSION   31
#define YY_FLUSH_BUFFER   ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
#define YY_INPUT(buf, result, max_size)
#define YY_INT_ALIGNED   short int
#define YY_LESS_LINENO(n)
#define YY_MORE_ADJ   yyg->yy_more_len
#define yy_new_buffer   ast_yy_create_buffer
#define YY_NEW_FILE   ast_yyrestart(yyin ,yyscanner )
#define YY_NULL   0
#define YY_NUM_RULES   30
#define YY_READ_BUF_SIZE   8192
#define YY_RESTORE_YY_MORE_OFFSET
#define YY_RULE_SETUP   YY_USER_ACTION
#define YY_SC_TO_UI(c)   ((unsigned int) (unsigned char) c)
#define yy_set_bol(at_bol)
#define yy_set_interactive(is_interactive)
#define YY_SKIP_YYWRAP
#define YY_START   ((yyg->yy_start - 1) / 2)
#define YY_START_STACK_INCR   25
#define YY_STATE_EOF(state)   (YY_END_OF_BUFFER + state + 1)
#define yycolumn   (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define yyconst
#define yyextra   yyg->yyextra_r
#define yyin   yyg->yyin_r
#define yyleng   yyg->yyleng_r
#define yyless(n)
#define yyless(n)
#define yylineno   (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
#define yylloc   yyg->yylloc_r
#define yylval   yyg->yylval_r
#define yymore()   (yyg->yy_more_flag = 1)
#define yyout   yyg->yyout_r
#define YYSTATE   YY_START
#define YYTABLES_NAME   "yytables"
#define yyterminate()   return YY_NULL
#define yytext   yyg->yytext_r
#define yytext_ptr   yytext_r

Typedefs

typedef short int flex_int16_t
typedef int flex_int32_t
typedef signed char flex_int8_t
typedef unsigned short int flex_uint16_t
typedef unsigned int flex_uint32_t
typedef unsigned char flex_uint8_t
typedef struct yy_buffer_stateYY_BUFFER_STATE
typedef char YY_CHAR
typedef unsigned int yy_size_t
typedef int yy_state_type
typedef void * yyscan_t

Enumerations

enum  valtype {
  AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string, AST_EXPR_integer,
  AST_EXPR_numeric_string, AST_EXPR_string
}

Functions

int ast_expr (char *expr, char *buf, int length)
YY_BUFFER_STATE ast_yy_create_buffer (FILE *file, int size, yyscan_t yyscanner)
void ast_yy_delete_buffer (YY_BUFFER_STATE b, yyscan_t yyscanner)
void ast_yy_flush_buffer (YY_BUFFER_STATE b, yyscan_t yyscanner)
static void ast_yy_init_buffer (YY_BUFFER_STATE b, FILE *file, yyscan_t yyscanner)
static void ast_yy_load_buffer_state (yyscan_t yyscanner)
YY_BUFFER_STATE ast_yy_scan_buffer (char *base, yy_size_t size, yyscan_t yyscanner)
YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char *bytes, int len, yyscan_t yyscanner)
YY_BUFFER_STATE ast_yy_scan_string (yyconst char *yy_str, yyscan_t yyscanner)
void ast_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer, yyscan_t yyscanner)
void * ast_yyalloc (yy_size_t, yyscan_t yyscanner)
static void ast_yyensure_buffer_stack (yyscan_t yyscanner)
int ast_yyerror (const char *s, yyltype *loc, struct parse_io *parseio)
int ast_yyerror (const char *, YYLTYPE *, struct parse_io *)
void ast_yyfree (void *, yyscan_t yyscanner)
int ast_yyget_column (yyscan_t yyscanner)
int ast_yyget_debug (yyscan_t yyscanner)
YY_EXTRA_TYPE ast_yyget_extra (yyscan_t yyscanner)
FILE * ast_yyget_in (yyscan_t yyscanner)
int ast_yyget_leng (yyscan_t yyscanner)
int ast_yyget_lineno (yyscan_t yyscanner)
YYLTYPEast_yyget_lloc (yyscan_t yyscanner)
YYSTYPEast_yyget_lval (yyscan_t yyscanner)
FILE * ast_yyget_out (yyscan_t yyscanner)
char * ast_yyget_text (yyscan_t yyscanner)
int ast_yylex (YYSTYPE *yylval_param, YYLTYPE *yylloc_param, yyscan_t yyscanner)
int ast_yylex_destroy (yyscan_t yyscanner)
int ast_yylex_init (yyscan_t *scanner)
int ast_yyparse (void *)
void ast_yypop_buffer_state (yyscan_t yyscanner)
void ast_yypush_buffer_state (YY_BUFFER_STATE new_buffer, yyscan_t yyscanner)
void * ast_yyrealloc (void *, yy_size_t, yyscan_t yyscanner)
void ast_yyrestart (FILE *input_file, yyscan_t yyscanner)
void ast_yyset_column (int column_no, yyscan_t yyscanner)
void ast_yyset_debug (int debug_flag, yyscan_t yyscanner)
void ast_yyset_extra (YY_EXTRA_TYPE user_defined, yyscan_t yyscanner)
void ast_yyset_in (FILE *in_str, yyscan_t yyscanner)
void ast_yyset_lineno (int line_number, yyscan_t yyscanner)
void ast_yyset_lloc (YYLTYPE *yylloc_param, yyscan_t yyscanner)
void ast_yyset_lval (YYSTYPE *yylval_param, yyscan_t yyscanner)
void ast_yyset_out (FILE *out_str, yyscan_t yyscanner)
static int input (yyscan_t yyscanner)
static void yy_fatal_error (yyconst char *msg, yyscan_t yyscanner)
static void yy_fatal_error (yyconst char msg[], yyscan_t yyscanner)
static int yy_get_next_buffer (yyscan_t yyscanner)
static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
static int yy_init_globals (yyscan_t yyscanner)
static yy_state_type yy_try_NUL_trans (yy_state_type current_state, yyscan_t yyscanner)
static void yyunput (int c, char *buf_ptr, yyscan_t yyscanner)

Variables

static int curlycount = 0
static yyconst flex_int16_t yy_accept [50]
static yyconst yy_state_type yy_NUL_trans [50]
static yyconst flex_int16_t yy_nxt [][128]


Detailed Description

Dialplan Expression Parser.

Definition in file ast_expr2f.c.


Define Documentation

#define ast_yywrap ( n   )     1

Definition at line 322 of file ast_expr2f.c.

#define BEGIN   yyg->yy_start = 1 + 2 *

Definition at line 135 of file ast_expr2f.c.

#define ECHO   (void) fwrite( yytext, yyleng, 1, yyout )

Definition at line 1442 of file ast_expr2f.c.

Referenced by ast_hide_password(), ast_restore_tty(), and stty().

#define EOB_ACT_CONTINUE_SCAN   0

Definition at line 162 of file ast_expr2f.c.

#define EOB_ACT_END_OF_FILE   1

Definition at line 163 of file ast_expr2f.c.

#define EOB_ACT_LAST_MATCH   2

Definition at line 164 of file ast_expr2f.c.

#define FLEX_BETA

Definition at line 14 of file ast_expr2f.c.

#define FLEX_SCANNER

Definition at line 9 of file ast_expr2f.c.

#define INITIAL   0

Definition at line 1305 of file ast_expr2f.c.

#define INT16_MAX   (32767)

Definition at line 65 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT16_MIN   (-32767-1)

Definition at line 56 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT32_MAX   (2147483647)

Definition at line 68 of file ast_expr2f.c.

#define INT32_MIN   (-2147483647-1)

Definition at line 59 of file ast_expr2f.c.

#define INT8_MAX   (127)

Definition at line 62 of file ast_expr2f.c.

#define INT8_MIN   (-128)

Definition at line 53 of file ast_expr2f.c.

#define REJECT   reject_used_but_not_detected

Definition at line 1245 of file ast_expr2f.c.

#define SET_COLUMNS   yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);yylloc_param->last_column = yylloc_param->last_column + yyleng - 1; yylloc_param->first_line = yylloc_param->last_line = 1

Definition at line 1288 of file ast_expr2f.c.

#define SET_NUMERIC_STRING   yylval_param->val = (struct val *)calloc(sizeof(struct val),1); yylval_param->val->type = AST_EXPR_numeric_string; yylval_param->val->u.s = strdup(yytext);

Definition at line 1290 of file ast_expr2f.c.

#define SET_STRING   yylval_param->val = (struct val *)calloc(sizeof(struct val),1); yylval_param->val->type = AST_EXPR_string; yylval_param->val->u.s = strdup(yytext);

Definition at line 1289 of file ast_expr2f.c.

#define trail   2

Definition at line 1307 of file ast_expr2f.c.

#define UINT16_MAX   (65535U)

Definition at line 74 of file ast_expr2f.c.

#define UINT32_MAX   (4294967295U)

Definition at line 77 of file ast_expr2f.c.

#define UINT8_MAX   (255U)

Definition at line 71 of file ast_expr2f.c.

#define unput (  )     yyunput( c, yyg->yytext_ptr , yyscanner )

Definition at line 182 of file ast_expr2f.c.

#define var   1

 
#define YY_AT_BOL (  )     (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 318 of file ast_expr2f.c.

#define YY_BREAK   break;

Definition at line 1505 of file ast_expr2f.c.

#define YY_BUF_SIZE   16384

Definition at line 154 of file ast_expr2f.c.

#define YY_BUFFER_EOF_PENDING   2

Definition at line 254 of file ast_expr2f.c.

#define YY_BUFFER_NEW   0

Definition at line 242 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), and ast_yy_scan_buffer().

#define YY_BUFFER_NORMAL   1

Definition at line 243 of file ast_expr2f.c.

#define YY_CURRENT_BUFFER

Value:

( yyg->yy_buffer_stack \
                          ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
                          : NULL)

Definition at line 265 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), ast_yy_init_buffer(), ast_yyget_column(), ast_yyget_lineno(), ast_yylex_destroy(), ast_yypop_buffer_state(), ast_yypush_buffer_state(), ast_yyset_column(), and ast_yyset_lineno().

#define YY_CURRENT_BUFFER_LVALUE   yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]

#define YY_DECL   int ast_yylex (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)

Definition at line 1493 of file ast_expr2f.c.

#define YY_DECL_IS_OURS   1

Definition at line 1489 of file ast_expr2f.c.

#define YY_DO_BEFORE_ACTION

Definition at line 1207 of file ast_expr2f.c.

#define YY_END_OF_BUFFER   31

Definition at line 1216 of file ast_expr2f.c.

#define YY_END_OF_BUFFER_CHAR   0

Definition at line 150 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), ast_yy_scan_buffer(), and ast_yy_scan_bytes().

#define YY_EXIT_FAILURE   2

Definition at line 2558 of file ast_expr2f.c.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE   void *

Definition at line 1316 of file ast_expr2f.c.

#define YY_FATAL_ERROR ( msg   )     yy_fatal_error( msg , yyscanner)

Definition at line 1480 of file ast_expr2f.c.

Referenced by ast_yy_scan_buffer(), and ast_yy_scan_bytes().

#define yy_flex_debug   yyg->yy_flex_debug_r

Definition at line 127 of file ast_expr2f.c.

Referenced by ast_yyget_debug(), and ast_yyset_debug().

#define YY_FLEX_MAJOR_VERSION   2

Definition at line 10 of file ast_expr2f.c.

#define YY_FLEX_MINOR_VERSION   5

Definition at line 11 of file ast_expr2f.c.

#define YY_FLEX_SUBMINOR_VERSION   31

Definition at line 12 of file ast_expr2f.c.

#define YY_FLUSH_BUFFER   ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

Definition at line 286 of file ast_expr2f.c.

#define YY_INPUT ( buf,
result,
max_size   ) 

Definition at line 1449 of file ast_expr2f.c.

#define YY_INT_ALIGNED   short int

Definition at line 5 of file ast_expr2f.c.

#define YY_LESS_LINENO ( n   ) 

Definition at line 166 of file ast_expr2f.c.

#define YY_MORE_ADJ   yyg->yy_more_len

Definition at line 1247 of file ast_expr2f.c.

#define yy_new_buffer   ast_yy_create_buffer

Definition at line 296 of file ast_expr2f.c.

#define YY_NEW_FILE   ast_yyrestart(yyin ,yyscanner )

Definition at line 148 of file ast_expr2f.c.

#define YY_NULL   0

Definition at line 103 of file ast_expr2f.c.

#define YY_NUM_RULES   30

Definition at line 1215 of file ast_expr2f.c.

#define YY_READ_BUF_SIZE   8192

Definition at line 1434 of file ast_expr2f.c.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 1248 of file ast_expr2f.c.

#define YY_RULE_SETUP   YY_USER_ACTION

Definition at line 1508 of file ast_expr2f.c.

#define YY_SC_TO_UI (  )     ((unsigned int) (unsigned char) c)

Definition at line 110 of file ast_expr2f.c.

#define yy_set_bol ( at_bol   ) 

Definition at line 308 of file ast_expr2f.c.

#define yy_set_interactive ( is_interactive   ) 

Definition at line 298 of file ast_expr2f.c.

#define YY_SKIP_YYWRAP

Definition at line 323 of file ast_expr2f.c.

#define YY_START   ((yyg->yy_start - 1) / 2)

Definition at line 141 of file ast_expr2f.c.

#define YY_START_STACK_INCR   25

Definition at line 1475 of file ast_expr2f.c.

#define YY_STATE_EOF ( state   )     (YY_END_OF_BUFFER + state + 1)

Definition at line 145 of file ast_expr2f.c.

#define yycolumn   (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

Definition at line 126 of file ast_expr2f.c.

Referenced by ast_yyget_column(), and ast_yyset_column().

#define yyconst

Definition at line 99 of file ast_expr2f.c.

#define yyextra   yyg->yyextra_r

Definition at line 122 of file ast_expr2f.c.

Referenced by ast_yyget_extra(), and ast_yyset_extra().

#define yyin   yyg->yyin_r

Definition at line 120 of file ast_expr2f.c.

Referenced by ast_yyget_in(), ast_yyset_in(), and yy_init_globals().

#define yyleng   yyg->yyleng_r

Definition at line 123 of file ast_expr2f.c.

Referenced by ast_yyget_leng().

#define yyless ( n   ) 

Definition at line 2570 of file ast_expr2f.c.

#define yyless ( n   ) 

Definition at line 2570 of file ast_expr2f.c.

#define yylineno   (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

Definition at line 125 of file ast_expr2f.c.

Referenced by ast_yyget_lineno(), and ast_yyset_lineno().

#define yylloc   yyg->yylloc_r

Definition at line 1361 of file ast_expr2f.c.

#define yylval   yyg->yylval_r

Definition at line 1359 of file ast_expr2f.c.

 
#define yymore (  )     (yyg->yy_more_flag = 1)

Definition at line 1246 of file ast_expr2f.c.

#define yyout   yyg->yyout_r

Definition at line 121 of file ast_expr2f.c.

Referenced by ast_yyget_out(), ast_yyset_out(), and yy_init_globals().

#define YYSTATE   YY_START

Definition at line 142 of file ast_expr2f.c.

#define YYTABLES_NAME   "yytables"

Definition at line 2885 of file ast_expr2f.c.

 
#define yyterminate (  )     return YY_NULL

Definition at line 1470 of file ast_expr2f.c.

#define yytext   yyg->yytext_r

Definition at line 124 of file ast_expr2f.c.

Referenced by ast_yyerror(), and ast_yyget_text().

#define yytext_ptr   yytext_r

Definition at line 329 of file ast_expr2f.c.


Typedef Documentation

typedef short int flex_int16_t

Definition at line 44 of file ast_expr2f.c.

typedef int flex_int32_t

Definition at line 45 of file ast_expr2f.c.

typedef signed char flex_int8_t

Definition at line 43 of file ast_expr2f.c.

typedef unsigned short int flex_uint16_t

Definition at line 47 of file ast_expr2f.c.

typedef unsigned int flex_uint32_t

Definition at line 48 of file ast_expr2f.c.

typedef unsigned char flex_uint8_t

Definition at line 46 of file ast_expr2f.c.

Definition at line 159 of file ast_expr2f.c.

typedef char YY_CHAR

Definition at line 325 of file ast_expr2f.c.

typedef unsigned int yy_size_t

Definition at line 191 of file ast_expr2f.c.

typedef int yy_state_type

Definition at line 327 of file ast_expr2f.c.

typedef void* yyscan_t

Definition at line 115 of file ast_expr2f.c.


Enumeration Type Documentation

enum valtype

Enumerator:
AST_EXPR_integer 
AST_EXPR_numeric_string 
AST_EXPR_string 
AST_EXPR_integer 
AST_EXPR_numeric_string 
AST_EXPR_string 

Definition at line 1274 of file ast_expr2f.c.


Function Documentation

int ast_expr ( char *  expr,
char *  buf,
int  length 
)

Definition at line 2912 of file ast_expr2f.c.

References AST_EXPR_integer, ast_yy_scan_string(), ast_yylex_destroy(), ast_yylex_init(), ast_yyparse(), free, parse_io::scanner, and parse_io::string.

Referenced by pbx_substitute_variables_helper_full().

02913 {
02914    struct parse_io io;
02915    int return_value = 0;
02916    
02917    memset(&io, 0, sizeof(io));
02918    io.string = expr;  /* to pass to the error routine */
02919    
02920    ast_yylex_init(&io.scanner);
02921    
02922    ast_yy_scan_string(expr, io.scanner);
02923    
02924    ast_yyparse ((void *) &io);
02925 
02926    ast_yylex_destroy(io.scanner);
02927 
02928    if (!io.val) {
02929       if (length > 1) {
02930          strcpy(buf, "0");
02931          return_value = 1;
02932       }
02933    } else {
02934       if (io.val->type == AST_EXPR_integer) {
02935          int res_length;
02936 
02937          res_length = snprintf(buf, length, "%ld", (long int) io.val->u.i);
02938          return_value = (res_length <= length) ? res_length : length;
02939       } else {
02940 #ifdef STANDALONE
02941          strncpy(buf, io.val->u.s, length - 1);
02942 #else /* !STANDALONE */
02943          ast_copy_string(buf, io.val->u.s, length);
02944 #endif /* STANDALONE */
02945          return_value = strlen(buf);
02946          free(io.val->u.s);
02947       }
02948       free(io.val);
02949    }
02950    return return_value;
02951 }

YY_BUFFER_STATE ast_yy_create_buffer ( FILE *  file,
int  size,
yyscan_t  yyscanner 
)

void ast_yy_delete_buffer ( YY_BUFFER_STATE  b,
yyscan_t  yyscanner 
)

void ast_yy_flush_buffer ( YY_BUFFER_STATE  b,
yyscan_t  yyscanner 
)

Discard all buffered characters. On the next scan, YY_INPUT will be called.

Parameters:
b the buffer state to be flushed, usually YY_CURRENT_BUFFER.
yyscanner The scanner object.

Definition at line 2350 of file ast_expr2f.c.

References ast_yy_load_buffer_state(), yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, YY_BUFFER_NEW, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_CURRENT_BUFFER, YY_END_OF_BUFFER_CHAR, and yy_buffer_state::yy_n_chars.

Referenced by ast_yy_init_buffer().

02351 {
02352     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02353    if ( ! b )
02354       return;
02355 
02356    b->yy_n_chars = 0;
02357 
02358    /* We always need two end-of-buffer characters.  The first causes
02359     * a transition to the end-of-buffer state.  The second causes
02360     * a jam in that state.
02361     */
02362    b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
02363    b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
02364 
02365    b->yy_buf_pos = &b->yy_ch_buf[0];
02366 
02367    b->yy_at_bol = 1;
02368    b->yy_buffer_status = YY_BUFFER_NEW;
02369 
02370    if ( b == YY_CURRENT_BUFFER )
02371       ast_yy_load_buffer_state(yyscanner );
02372 }

static void ast_yy_init_buffer ( YY_BUFFER_STATE  b,
FILE *  file,
yyscan_t  yyscanner 
) [static]

The main scanner function which does all the work.

Definition at line 2321 of file ast_expr2f.c.

References ast_yy_flush_buffer(), yy_buffer_state::yy_bs_column, yy_buffer_state::yy_bs_lineno, YY_CURRENT_BUFFER, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, and yy_buffer_state::yy_is_interactive.

02323 {
02324    int oerrno = errno;
02325     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02326 
02327    ast_yy_flush_buffer(b ,yyscanner);
02328 
02329    b->yy_input_file = file;
02330    b->yy_fill_buffer = 1;
02331 
02332     /* If b is the current buffer, then ast_yy_init_buffer was _probably_
02333      * called from ast_yyrestart() or through yy_get_next_buffer.
02334      * In that case, we don't want to reset the lineno or column.
02335      */
02336     if (b != YY_CURRENT_BUFFER){
02337         b->yy_bs_lineno = 1;
02338         b->yy_bs_column = 0;
02339     }
02340 
02341         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
02342     
02343    errno = oerrno;
02344 }

static void ast_yy_load_buffer_state ( yyscan_t  yyscanner  )  [static]

YY_BUFFER_STATE ast_yy_scan_buffer ( char *  base,
yy_size_t  size,
yyscan_t  yyscanner 
)

Setup the input buffer state to scan directly from a user-specified character buffer.

Parameters:
base the character buffer
size the size in bytes of the character buffer
yyscanner The scanner object.
Returns:
the newly allocated buffer state object.

Definition at line 2477 of file ast_expr2f.c.

References ast_yy_switch_to_buffer(), ast_yyalloc(), yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, yy_buffer_state::yy_buf_size, YY_BUFFER_NEW, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, yy_buffer_state::yy_is_interactive, yy_buffer_state::yy_is_our_buffer, and yy_buffer_state::yy_n_chars.

Referenced by ast_yy_scan_bytes().

02478 {
02479    YY_BUFFER_STATE b;
02480     
02481    if ( size < 2 ||
02482         base[size-2] != YY_END_OF_BUFFER_CHAR ||
02483         base[size-1] != YY_END_OF_BUFFER_CHAR )
02484       /* They forgot to leave room for the EOB's. */
02485       return 0;
02486 
02487    b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
02488    if ( ! b )
02489       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" );
02490 
02491    b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
02492    b->yy_buf_pos = b->yy_ch_buf = base;
02493    b->yy_is_our_buffer = 0;
02494    b->yy_input_file = 0;
02495    b->yy_n_chars = b->yy_buf_size;
02496    b->yy_is_interactive = 0;
02497    b->yy_at_bol = 1;
02498    b->yy_fill_buffer = 0;
02499    b->yy_buffer_status = YY_BUFFER_NEW;
02500 
02501    ast_yy_switch_to_buffer(b ,yyscanner );
02502 
02503    return b;
02504 }

YY_BUFFER_STATE ast_yy_scan_bytes ( yyconst char *  bytes,
int  len,
yyscan_t  yyscanner 
)

Setup the input buffer state to scan the given bytes. The next call to ast_yylex() will scan from a copy of bytes.

Parameters:
bytes the byte buffer to scan
len the number of bytes in the buffer pointed to by bytes.
yyscanner The scanner object.
Returns:
the newly allocated buffer state object.

Definition at line 2527 of file ast_expr2f.c.

References ast_yy_scan_buffer(), ast_yyalloc(), n, YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, and yy_buffer_state::yy_is_our_buffer.

Referenced by ast_yy_scan_string().

02528 {
02529    YY_BUFFER_STATE b;
02530    char *buf;
02531    yy_size_t n;
02532    int i;
02533     
02534    /* Get memory for full buffer, including space for trailing EOB's. */
02535    n = len + 2;
02536    buf = (char *) ast_yyalloc(n ,yyscanner );
02537    if ( ! buf )
02538       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );
02539 
02540    for ( i = 0; i < len; ++i )
02541       buf[i] = bytes[i];
02542 
02543    buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
02544 
02545    b = ast_yy_scan_buffer(buf,n ,yyscanner);
02546    if ( ! b )
02547       YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" );
02548 
02549    /* It's okay to grow etc. this buffer, and we should throw it
02550     * away when we're done.
02551     */
02552    b->yy_is_our_buffer = 1;
02553 
02554    return b;
02555 }

YY_BUFFER_STATE ast_yy_scan_string ( yyconst char *  str,
yyscan_t  yyscanner 
)

Setup the input buffer state to scan a string. The next call to ast_yylex() will scan from a copy of str.

Parameters:
str a NUL-terminated string to scan
yyscanner The scanner object.
Returns:
the newly allocated buffer state object.
Note:
If you want to scan bytes that may contain NUL values, then use ast_yy_scan_bytes() instead.

Definition at line 2514 of file ast_expr2f.c.

References ast_yy_scan_bytes().

Referenced by ast_expr().

02515 {
02516     
02517    return ast_yy_scan_bytes(str,strlen(str) ,yyscanner);
02518 }

void ast_yy_switch_to_buffer ( YY_BUFFER_STATE  new_buffer,
yyscan_t  yyscanner 
)

Referenced by ast_yy_scan_buffer().

void * ast_yyalloc ( yy_size_t  size,
yyscan_t  yyscanner 
)

Definition at line 2863 of file ast_expr2f.c.

References malloc.

Referenced by ast_yy_scan_buffer(), ast_yy_scan_bytes(), ast_yyensure_buffer_stack(), and ast_yylex_init().

02864 {
02865    return (void *) malloc( size );
02866 }

static void ast_yyensure_buffer_stack ( yyscan_t  yyscanner  )  [static]

Definition at line 2431 of file ast_expr2f.c.

References ast_yyalloc(), ast_yyrealloc(), yyguts_t::yy_buffer_stack, yyguts_t::yy_buffer_stack_max, and yyguts_t::yy_buffer_stack_top.

Referenced by ast_yypush_buffer_state().

02432 {
02433    int num_to_alloc;
02434     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02435 
02436    if (!yyg->yy_buffer_stack) {
02437 
02438       /* First allocation is just for 2 elements, since we don't know if this
02439        * scanner will even need a stack. We use 2 instead of 1 to avoid an
02440        * immediate realloc on the next call.
02441          */
02442       num_to_alloc = 1;
02443       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc
02444                         (num_to_alloc * sizeof(struct yy_buffer_state*)
02445                         , yyscanner);
02446       
02447       memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
02448             
02449       yyg->yy_buffer_stack_max = num_to_alloc;
02450       yyg->yy_buffer_stack_top = 0;
02451       return;
02452    }
02453 
02454    if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
02455 
02456       /* Increase the buffer to prepare for a possible push. */
02457       int grow_size = 8 /* arbitrary grow size */;
02458 
02459       num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
02460       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc
02461                         (yyg->yy_buffer_stack,
02462                         num_to_alloc * sizeof(struct yy_buffer_state*)
02463                         , yyscanner);
02464 
02465       /* zero only the new slots.*/
02466       memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
02467       yyg->yy_buffer_stack_max = num_to_alloc;
02468    }
02469 }

int ast_yyerror ( const char *  s,
yyltype loc,
struct parse_io parseio 
)

Definition at line 2953 of file ast_expr2f.c.

References ast_log(), LOG_WARNING, parse_io::scanner, parse_io::string, YY_CURRENT_BUFFER_LVALUE, and yytext.

02954 {  
02955    struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
02956    char spacebuf[8000]; /* best safe than sorry */
02957    char spacebuf2[8000]; /* best safe than sorry */
02958    int i=0;
02959    spacebuf[0] = 0;
02960    
02961    for(i=0;i< (int)(yytext - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf);i++) spacebuf2[i] = ' ';  /* uh... assuming yyg is defined, then I can use the yycolumn macro,
02962                                        which is the same thing as... get this:
02963                                        yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
02964                                        I was tempted to just use yy_buf_pos in the STATE, but..., well:
02965                                           a. the yy_buf_pos is the current position in the buffer, which
02966                                              may not relate to the entire string/buffer because of the
02967                                              buffering.
02968                                           b. but, analysis of the situation is that when you use the
02969                                              ast_yy_scan_string func, it creates a single buffer the size of
02970                                              string, so the two would be the same... 
02971                                        so, in the end, the yycolumn macro is available, shorter, therefore easier. */
02972    spacebuf2[i++]='^';
02973    spacebuf2[i]= 0;
02974 
02975 #ifdef STANDALONE3
02976    /* easier to read in the standalone version */
02977    printf("ast_yyerror(): syntax error: %s; Input:\n%s\n%s\n",  
02978          s, parseio->string,spacebuf2);
02979 #else
02980    ast_log(LOG_WARNING,"ast_yyerror(): syntax error: %s; Input:\n%s\n%s\n",  
02981          s, parseio->string,spacebuf2);
02982 #endif
02983 #ifndef STANDALONE
02984    ast_log(LOG_WARNING,"If you have questions, please refer to doc/README.variables in the asterisk source.\n");
02985 #endif
02986    return(0);
02987 }

int ast_yyerror ( const char *  ,
YYLTYPE ,
struct parse_io  
)

void ast_yyfree ( void *  ptr,
yyscan_t  yyscanner 
)

Definition at line 2880 of file ast_expr2f.c.

References free.

Referenced by ast_yylex_destroy().

02881 {
02882    free( (char *) ptr );   /* see ast_yyrealloc() for (char *) cast */
02883 }

int ast_yyget_column ( yyscan_t  yyscanner  ) 

Get the current column number.

Parameters:
yyscanner The scanner object.

Definition at line 2611 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yycolumn.

02612 {
02613     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02614     
02615         if (! YY_CURRENT_BUFFER)
02616             return 0;
02617     
02618     return yycolumn;
02619 }

int ast_yyget_debug ( yyscan_t  yyscanner  ) 

Definition at line 2716 of file ast_expr2f.c.

References yy_flex_debug.

02717 {
02718     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02719     return yy_flex_debug;
02720 }

YY_EXTRA_TYPE ast_yyget_extra ( yyscan_t  yyscanner  ) 

Get the user-defined data for this scanner.

Parameters:
yyscanner The scanner object.

Definition at line 2589 of file ast_expr2f.c.

References yyextra.

02590 {
02591     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02592     return yyextra;
02593 }

FILE * ast_yyget_in ( yyscan_t  yyscanner  ) 

Get the input stream.

Parameters:
yyscanner The scanner object.

Definition at line 2624 of file ast_expr2f.c.

References yyin.

02625 {
02626     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02627     return yyin;
02628 }

int ast_yyget_leng ( yyscan_t  yyscanner  ) 

Get the length of the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2642 of file ast_expr2f.c.

References yyleng.

02643 {
02644     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02645     return yyleng;
02646 }

int ast_yyget_lineno ( yyscan_t  yyscanner  ) 

Get the current line number.

Parameters:
yyscanner The scanner object.

Definition at line 2598 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yylineno.

02599 {
02600     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02601     
02602         if (! YY_CURRENT_BUFFER)
02603             return 0;
02604     
02605     return yylineno;
02606 }

YYLTYPE * ast_yyget_lloc ( yyscan_t  yyscanner  ) 

Definition at line 2742 of file ast_expr2f.c.

References yylloc.

02743 {
02744     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02745     return yylloc;
02746 }

YYSTYPE * ast_yyget_lval ( yyscan_t  yyscanner  ) 

Definition at line 2730 of file ast_expr2f.c.

References yylval.

02731 {
02732     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02733     return yylval;
02734 }

FILE * ast_yyget_out ( yyscan_t  yyscanner  ) 

Get the output stream.

Parameters:
yyscanner The scanner object.

Definition at line 2633 of file ast_expr2f.c.

References yyout.

02634 {
02635     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02636     return yyout;
02637 }

char * ast_yyget_text ( yyscan_t  yyscanner  ) 

Get the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2652 of file ast_expr2f.c.

References yytext.

02653 {
02654     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02655     return yytext;
02656 }

int ast_yylex ( YYSTYPE yylval_param,
YYLTYPE yylloc_param,
yyscan_t  yyscanner 
)

int ast_yylex_destroy ( yyscan_t  yyscanner  ) 

Definition at line 2813 of file ast_expr2f.c.

References ast_yy_delete_buffer(), ast_yyfree(), ast_yypop_buffer_state(), yyguts_t::yy_buffer_stack, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yyguts_t::yy_start_stack.

Referenced by ast_expr().

02814 {
02815     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02816 
02817     /* Pop the buffer stack, destroying each element. */
02818    while(YY_CURRENT_BUFFER){
02819       ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
02820       YY_CURRENT_BUFFER_LVALUE = NULL;
02821       ast_yypop_buffer_state(yyscanner);
02822    }
02823 
02824    /* Destroy the stack itself. */
02825    ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
02826    yyg->yy_buffer_stack = NULL;
02827 
02828     /* Destroy the start condition stack. */
02829         ast_yyfree(yyg->yy_start_stack ,yyscanner );
02830         yyg->yy_start_stack = NULL;
02831 
02832     /* Destroy the main struct (reentrant only). */
02833     ast_yyfree ( yyscanner , yyscanner );
02834     return 0;
02835 }

int ast_yylex_init ( yyscan_t scanner  ) 

Definition at line 2792 of file ast_expr2f.c.

References ast_yyalloc(), and yy_init_globals().

Referenced by ast_expr().

02794 {
02795     if (ptr_yy_globals == NULL){
02796         errno = EINVAL;
02797         return 1;
02798     }
02799 
02800     *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
02801 
02802     if (*ptr_yy_globals == NULL){
02803         errno = ENOMEM;
02804         return 1;
02805     }
02806 
02807     memset(*ptr_yy_globals,0,sizeof(struct yyguts_t));
02808 
02809     return yy_init_globals ( *ptr_yy_globals );
02810 }

int ast_yyparse ( void *   ) 

Referenced by ast_expr().

void ast_yypop_buffer_state ( yyscan_t  yyscanner  ) 

Removes and deletes the top of the stack, if present. The next element becomes the new top.

Parameters:
yyscanner The scanner object.

Definition at line 2411 of file ast_expr2f.c.

References ast_yy_delete_buffer(), ast_yy_load_buffer_state(), yyguts_t::yy_buffer_stack_top, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yyguts_t::yy_did_buffer_switch_on_eof.

Referenced by ast_yylex_destroy().

02412 {
02413     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02414    if (!YY_CURRENT_BUFFER)
02415       return;
02416 
02417    ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
02418    YY_CURRENT_BUFFER_LVALUE = NULL;
02419    if (yyg->yy_buffer_stack_top > 0)
02420       --yyg->yy_buffer_stack_top;
02421 
02422    if (YY_CURRENT_BUFFER) {
02423       ast_yy_load_buffer_state(yyscanner );
02424       yyg->yy_did_buffer_switch_on_eof = 1;
02425    }
02426 }

void ast_yypush_buffer_state ( YY_BUFFER_STATE  new_buffer,
yyscan_t  yyscanner 
)

Pushes the new state onto the stack. The new state becomes the current state. This function will allocate the stack if necessary.

Parameters:
new_buffer The new state.
yyscanner The scanner object.

Definition at line 2380 of file ast_expr2f.c.

References ast_yy_load_buffer_state(), ast_yyensure_buffer_stack(), yyguts_t::yy_buffer_stack_top, yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yyguts_t::yy_did_buffer_switch_on_eof, yyguts_t::yy_hold_char, and yyguts_t::yy_n_chars.

02381 {
02382     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02383    if (new_buffer == NULL)
02384       return;
02385 
02386    ast_yyensure_buffer_stack(yyscanner);
02387 
02388    /* This block is copied from ast_yy_switch_to_buffer. */
02389    if ( YY_CURRENT_BUFFER )
02390       {
02391       /* Flush out information for old buffer. */
02392       *yyg->yy_c_buf_p = yyg->yy_hold_char;
02393       YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
02394       YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
02395       }
02396 
02397    /* Only push if top exists. Otherwise, replace top. */
02398    if (YY_CURRENT_BUFFER)
02399       yyg->yy_buffer_stack_top++;
02400    YY_CURRENT_BUFFER_LVALUE = new_buffer;
02401 
02402    /* copied from ast_yy_switch_to_buffer. */
02403    ast_yy_load_buffer_state(yyscanner );
02404    yyg->yy_did_buffer_switch_on_eof = 1;
02405 }

void * ast_yyrealloc ( void *  ptr,
yy_size_t  size,
yyscan_t  yyscanner 
)

Definition at line 2868 of file ast_expr2f.c.

References realloc.

Referenced by ast_yyensure_buffer_stack().

02869 {
02870    /* The cast to (char *) in the following accommodates both
02871     * implementations that use char* generic pointers, and those
02872     * that use void* generic pointers.  It works with the latter
02873     * because both ANSI C and C++ allow castless assignment from
02874     * any pointer type to void*, and deal with argument conversions
02875     * as though doing an assignment.
02876     */
02877    return (void *) realloc( (char *) ptr, size );
02878 }

void ast_yyrestart ( FILE *  input_file,
yyscan_t  yyscanner 
)

void ast_yyset_column ( int  column_no,
yyscan_t  yyscanner 
)

Set the current column.

Parameters:
line_number 
yyscanner The scanner object.

Definition at line 2687 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yycolumn.

02688 {
02689     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02690 
02691         /* column is only valid if an input buffer exists. */
02692         if (! YY_CURRENT_BUFFER )
02693            yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner); 
02694     
02695     yycolumn = column_no;
02696 }

void ast_yyset_debug ( int  debug_flag,
yyscan_t  yyscanner 
)

Definition at line 2722 of file ast_expr2f.c.

References yy_flex_debug.

02723 {
02724     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02725     yy_flex_debug = bdebug ;
02726 }

void ast_yyset_extra ( YY_EXTRA_TYPE  user_defined,
yyscan_t  yyscanner 
)

Set the user-defined data. This data is never touched by the scanner.

Parameters:
user_defined The data to be associated with this scanner.
yyscanner The scanner object.

Definition at line 2662 of file ast_expr2f.c.

References yyextra.

02663 {
02664     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02665     yyextra = user_defined ;
02666 }

void ast_yyset_in ( FILE *  in_str,
yyscan_t  yyscanner 
)

Set the input stream. This does not discard the current input buffer.

Parameters:
in_str A readable stream.
yyscanner The scanner object.
See also:
ast_yy_switch_to_buffer

Definition at line 2704 of file ast_expr2f.c.

References yyin.

02705 {
02706     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02707     yyin = in_str ;
02708 }

void ast_yyset_lineno ( int  line_number,
yyscan_t  yyscanner 
)

Set the current line number.

Parameters:
line_number 
yyscanner The scanner object.

Definition at line 2672 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yylineno.

02673 {
02674     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02675 
02676         /* lineno is only valid if an input buffer exists. */
02677         if (! YY_CURRENT_BUFFER )
02678            yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner); 
02679     
02680     yylineno = line_number;
02681 }

void ast_yyset_lloc ( YYLTYPE yylloc_param,
yyscan_t  yyscanner 
)

Definition at line 2748 of file ast_expr2f.c.

References yylloc.

02749 {
02750     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02751     yylloc = yylloc_param;
02752 }

void ast_yyset_lval ( YYSTYPE yylval_param,
yyscan_t  yyscanner 
)

Definition at line 2736 of file ast_expr2f.c.

References yylval.

02737 {
02738     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02739     yylval = yylval_param;
02740 }

void ast_yyset_out ( FILE *  out_str,
yyscan_t  yyscanner 
)

Definition at line 2710 of file ast_expr2f.c.

References yyout.

02711 {
02712     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02713     yyout = out_str ;
02714 }

static int input ( yyscan_t  yyscanner  )  [static]

static void yy_fatal_error ( yyconst char *  msg,
yyscan_t  yyscanner 
) [static]

Definition at line 2561 of file ast_expr2f.c.

References YY_EXIT_FAILURE.

02562 {
02563       (void) fprintf( stderr, "%s\n", msg );
02564    exit( YY_EXIT_FAILURE );
02565 }

static void yy_fatal_error ( yyconst char  msg[],
yyscan_t  yyscanner 
) [static]

static int yy_get_next_buffer ( yyscan_t  yyscanner  )  [static]

static yy_state_type yy_get_previous_state ( yyscan_t  yyscanner  )  [static]

static int yy_init_globals ( yyscan_t  yyscanner  )  [static]

Definition at line 2754 of file ast_expr2f.c.

References yyguts_t::yy_buffer_stack, yyguts_t::yy_buffer_stack_max, yyguts_t::yy_buffer_stack_top, yyguts_t::yy_c_buf_p, yyguts_t::yy_init, yyguts_t::yy_start, yyguts_t::yy_start_stack, yyguts_t::yy_start_stack_depth, yyguts_t::yy_start_stack_ptr, yyin, and yyout.

Referenced by ast_yylex_init().

02755 {
02756     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02757     /* Initialization is the same as for the non-reentrant scanner.
02758        This function is called once per scanner lifetime. */
02759 
02760     yyg->yy_buffer_stack = 0;
02761     yyg->yy_buffer_stack_top = 0;
02762     yyg->yy_buffer_stack_max = 0;
02763     yyg->yy_c_buf_p = (char *) 0;
02764     yyg->yy_init = 1;
02765     yyg->yy_start = 0;
02766     yyg->yy_start_stack_ptr = 0;
02767     yyg->yy_start_stack_depth = 0;
02768     yyg->yy_start_stack = (int *) 0;
02769 
02770 /* Defined in main.c */
02771 #ifdef YY_STDINIT
02772     yyin = stdin;
02773     yyout = stdout;
02774 #else
02775     yyin = (FILE *) 0;
02776     yyout = (FILE *) 0;
02777 #endif
02778 
02779     /* For future reference: Set errno on error, since we are called by
02780      * ast_yylex_init()
02781      */
02782     return 0;
02783 }

static yy_state_type yy_try_NUL_trans ( yy_state_type  current_state,
yyscan_t  yyscanner 
) [static]

static void yyunput ( int  c,
char *  buf_ptr,
yyscan_t  yyscanner 
) [static]


Variable Documentation

int curlycount = 0 [static]

Definition at line 1301 of file ast_expr2f.c.

yyconst flex_int16_t yy_accept[50] [static]

Definition at line 1224 of file ast_expr2f.c.

yyconst yy_state_type yy_NUL_trans[50] [static]

Definition at line 1233 of file ast_expr2f.c.

yyconst flex_int16_t yy_nxt[][128] [static]

Definition at line 330 of file ast_expr2f.c.


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