Sat Apr 12 07:12:33 2008

Asterisk developer's documentation


ast_expr2f.c File Reference

Dialplan Expression Lexical Scanner. More...

#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include "asterisk.h"
#include <sys/types.h>
#include <locale.h>
#include <ctype.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
#define SET_NUMERIC_STRING
#define SET_STRING
#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   36
#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   33
#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   35
#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_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#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)
void ast_expr_clear_extra_error_info (void)
void ast_expr_register_extra_error_info (char *message)
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 char * expr2_token_subst (const char *mess)
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 char * expr2_token_equivs1 []
static char * expr2_token_equivs2 []
char extra_error_message [4095]
int extra_error_message_supplied = 0
static yyconst flex_int16_t yy_accept [54]
static yyconst yy_state_type yy_NUL_trans [54]
static yyconst flex_int16_t yy_nxt [][128]


Detailed Description

Dialplan Expression Lexical Scanner.

Definition in file ast_expr2f.c.


Define Documentation

#define ast_yywrap (  )     1

Definition at line 334 of file ast_expr2f.c.

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

Definition at line 143 of file ast_expr2f.c.

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

Definition at line 1569 of file ast_expr2f.c.

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

#define EOB_ACT_CONTINUE_SCAN   0

Definition at line 174 of file ast_expr2f.c.

#define EOB_ACT_END_OF_FILE   1

Definition at line 175 of file ast_expr2f.c.

#define EOB_ACT_LAST_MATCH   2

Definition at line 176 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 1428 of file ast_expr2f.c.

#define INT16_MAX   (32767)

Definition at line 73 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT16_MIN   (-32767-1)

Definition at line 64 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT32_MAX   (2147483647)

Definition at line 76 of file ast_expr2f.c.

#define INT32_MIN   (-2147483647-1)

Definition at line 67 of file ast_expr2f.c.

#define INT8_MAX   (127)

Definition at line 70 of file ast_expr2f.c.

#define INT8_MIN   (-128)

Definition at line 61 of file ast_expr2f.c.

#define REJECT   reject_used_but_not_detected

Definition at line 1328 of file ast_expr2f.c.

#define SET_COLUMNS

Value:

do {     \
   yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); \
   yylloc_param->last_column += yyleng - 1; \
   yylloc_param->first_line = yylloc_param->last_line = 1; \
   } while (0)

Definition at line 1396 of file ast_expr2f.c.

#define SET_NUMERIC_STRING

Value:

do {  \
   yylval_param->val = calloc(1, sizeof(struct val)); \
   yylval_param->val->type = AST_EXPR_numeric_string; \
   yylval_param->val->u.s = strdup(yytext);  \
   } while (0)

Definition at line 1408 of file ast_expr2f.c.

#define SET_STRING

Value:

do {     \
   yylval_param->val = calloc(1, sizeof(struct val)); \
   yylval_param->val->type = AST_EXPR_string;      \
   yylval_param->val->u.s = strdup(yytext);     \
   } while (0)

Definition at line 1402 of file ast_expr2f.c.

#define trail   2

Definition at line 1430 of file ast_expr2f.c.

#define UINT16_MAX   (65535U)

Definition at line 82 of file ast_expr2f.c.

#define UINT32_MAX   (4294967295U)

Definition at line 85 of file ast_expr2f.c.

#define UINT8_MAX   (255U)

Definition at line 79 of file ast_expr2f.c.

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

Definition at line 194 of file ast_expr2f.c.

#define var   1

 
#define YY_AT_BOL (  )     (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 330 of file ast_expr2f.c.

#define YY_BREAK   break;

Definition at line 1632 of file ast_expr2f.c.

#define YY_BUF_SIZE   16384

Definition at line 162 of file ast_expr2f.c.

#define YY_BUFFER_EOF_PENDING   2

Definition at line 266 of file ast_expr2f.c.

#define YY_BUFFER_NEW   0

Definition at line 254 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), and ast_yy_scan_buffer().

#define YY_BUFFER_NORMAL   1

Definition at line 255 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 277 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 1620 of file ast_expr2f.c.

#define YY_DECL_IS_OURS   1

Definition at line 1616 of file ast_expr2f.c.

#define YY_DO_BEFORE_ACTION

Definition at line 1288 of file ast_expr2f.c.

#define YY_END_OF_BUFFER   36

Definition at line 1297 of file ast_expr2f.c.

#define YY_END_OF_BUFFER_CHAR   0

Definition at line 158 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 2759 of file ast_expr2f.c.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE   void *

Definition at line 1441 of file ast_expr2f.c.

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

Definition at line 1607 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 135 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   33

Definition at line 12 of file ast_expr2f.c.

#define YY_FLUSH_BUFFER   ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

Definition at line 298 of file ast_expr2f.c.

#define YY_INPUT ( buf,
result,
max_size   ) 

Definition at line 1576 of file ast_expr2f.c.

#define YY_INT_ALIGNED   short int

Definition at line 5 of file ast_expr2f.c.

#define YY_LESS_LINENO (  ) 

Definition at line 178 of file ast_expr2f.c.

#define YY_MORE_ADJ   yyg->yy_more_len

Definition at line 1330 of file ast_expr2f.c.

#define yy_new_buffer   ast_yy_create_buffer

Definition at line 308 of file ast_expr2f.c.

#define YY_NEW_FILE   ast_yyrestart(yyin ,yyscanner )

Definition at line 156 of file ast_expr2f.c.

#define YY_NULL   0

Definition at line 111 of file ast_expr2f.c.

#define YY_NUM_RULES   35

Definition at line 1296 of file ast_expr2f.c.

#define YY_READ_BUF_SIZE   8192

Definition at line 1561 of file ast_expr2f.c.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 1331 of file ast_expr2f.c.

#define YY_RULE_SETUP   YY_USER_ACTION

Definition at line 1635 of file ast_expr2f.c.

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

Definition at line 118 of file ast_expr2f.c.

#define yy_set_bol ( at_bol   ) 

Definition at line 320 of file ast_expr2f.c.

#define yy_set_interactive ( is_interactive   ) 

Definition at line 310 of file ast_expr2f.c.

#define YY_SKIP_YYWRAP

Definition at line 335 of file ast_expr2f.c.

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

Definition at line 149 of file ast_expr2f.c.

#define YY_START_STACK_INCR   25

Definition at line 1602 of file ast_expr2f.c.

#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))

Definition at line 167 of file ast_expr2f.c.

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

Definition at line 153 of file ast_expr2f.c.

#define yycolumn   (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

Definition at line 134 of file ast_expr2f.c.

Referenced by ast_yyget_column(), and ast_yyset_column().

#define yyconst

Definition at line 107 of file ast_expr2f.c.

#define yyextra   yyg->yyextra_r

Definition at line 130 of file ast_expr2f.c.

Referenced by ast_yyget_extra(), and ast_yyset_extra().

#define yyin   yyg->yyin_r

Definition at line 128 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 131 of file ast_expr2f.c.

Referenced by ast_yyget_leng().

#define yyless (  ) 

Definition at line 2771 of file ast_expr2f.c.

#define yyless (  ) 

Definition at line 2771 of file ast_expr2f.c.

#define yylineno   (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

Definition at line 133 of file ast_expr2f.c.

Referenced by ast_yyget_lineno(), and ast_yyset_lineno().

#define yylloc   yyg->yylloc_r

Definition at line 1488 of file ast_expr2f.c.

#define yylval   yyg->yylval_r

Definition at line 1486 of file ast_expr2f.c.

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

Definition at line 1329 of file ast_expr2f.c.

#define yyout   yyg->yyout_r

Definition at line 129 of file ast_expr2f.c.

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

#define YYSTATE   YY_START

Definition at line 150 of file ast_expr2f.c.

#define YYTABLES_NAME   "yytables"

Definition at line 3092 of file ast_expr2f.c.

 
#define yyterminate (  )     return YY_NULL

Definition at line 1597 of file ast_expr2f.c.

#define yytext   yyg->yytext_r

Definition at line 132 of file ast_expr2f.c.

Referenced by ast_yyerror(), and ast_yyget_text().

#define yytext_ptr   yytext_r

Definition at line 341 of file ast_expr2f.c.


Typedef Documentation

typedef short int flex_int16_t

Definition at line 52 of file ast_expr2f.c.

typedef int flex_int32_t

Definition at line 53 of file ast_expr2f.c.

typedef signed char flex_int8_t

Definition at line 51 of file ast_expr2f.c.

typedef unsigned short int flex_uint16_t

Definition at line 55 of file ast_expr2f.c.

typedef unsigned int flex_uint32_t

Definition at line 56 of file ast_expr2f.c.

typedef unsigned char flex_uint8_t

Definition at line 54 of file ast_expr2f.c.

Definition at line 171 of file ast_expr2f.c.

typedef char YY_CHAR

Definition at line 337 of file ast_expr2f.c.

typedef unsigned int yy_size_t

Definition at line 203 of file ast_expr2f.c.

typedef int yy_state_type

Definition at line 339 of file ast_expr2f.c.

typedef void* yyscan_t

Definition at line 123 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 1382 of file ast_expr2f.c.


Function Documentation

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

Definition at line 3107 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 check_pval_item(), and pbx_substitute_variables_helper_full().

03108 {
03109    struct parse_io io;
03110    int return_value = 0;
03111    
03112    memset(&io, 0, sizeof(io));
03113    io.string = expr;  /* to pass to the error routine */
03114    
03115    ast_yylex_init(&io.scanner);
03116    
03117    ast_yy_scan_string(expr, io.scanner);
03118    
03119    ast_yyparse ((void *) &io);
03120 
03121    ast_yylex_destroy(io.scanner);
03122 
03123    if (!io.val) {
03124       if (length > 1) {
03125          strcpy(buf, "0");
03126          return_value = 1;
03127       }
03128    } else {
03129       if (io.val->type == AST_EXPR_integer) {
03130          int res_length;
03131 
03132          res_length = snprintf(buf, length, "%ld", (long int) io.val->u.i);
03133          return_value = (res_length <= length) ? res_length : length;
03134       } else {
03135 #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE_AEL)
03136          strncpy(buf, io.val->u.s, length - 1);
03137 #else /* !STANDALONE && !LOW_MEMORY */
03138          ast_copy_string(buf, io.val->u.s, length);
03139 #endif /* STANDALONE || LOW_MEMORY */
03140          return_value = strlen(buf);
03141          free(io.val->u.s);
03142       }
03143       free(io.val);
03144    }
03145    return return_value;
03146 }

void ast_expr_clear_extra_error_info ( void   ) 

Definition at line 3160 of file ast_expr2f.c.

Referenced by check_pval_item().

03161 {
03162        extra_error_message_supplied=0;
03163        extra_error_message[0] = 0;
03164 }

void ast_expr_register_extra_error_info ( char *  message  ) 

Definition at line 3154 of file ast_expr2f.c.

Referenced by check_pval_item().

03155 {
03156        extra_error_message_supplied=1;
03157        strcpy(extra_error_message, message);
03158 }

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 2551 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().

02552 {
02553     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02554    if ( ! b )
02555       return;
02556 
02557    b->yy_n_chars = 0;
02558 
02559    /* We always need two end-of-buffer characters.  The first causes
02560     * a transition to the end-of-buffer state.  The second causes
02561     * a jam in that state.
02562     */
02563    b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
02564    b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
02565 
02566    b->yy_buf_pos = &b->yy_ch_buf[0];
02567 
02568    b->yy_at_bol = 1;
02569    b->yy_buffer_status = YY_BUFFER_NEW;
02570 
02571    if ( b == YY_CURRENT_BUFFER )
02572       ast_yy_load_buffer_state(yyscanner );
02573 }

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 2522 of file ast_expr2f.c.

References ast_yy_flush_buffer(), errno, 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.

02524 {
02525    int oerrno = errno;
02526     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02527 
02528    ast_yy_flush_buffer(b ,yyscanner);
02529 
02530    b->yy_input_file = file;
02531    b->yy_fill_buffer = 1;
02532 
02533     /* If b is the current buffer, then ast_yy_init_buffer was _probably_
02534      * called from ast_yyrestart() or through yy_get_next_buffer.
02535      * In that case, we don't want to reset the lineno or column.
02536      */
02537     if (b != YY_CURRENT_BUFFER){
02538         b->yy_bs_lineno = 1;
02539         b->yy_bs_column = 0;
02540     }
02541 
02542         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
02543     
02544    errno = oerrno;
02545 }

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 2678 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().

02679 {
02680    YY_BUFFER_STATE b;
02681     
02682    if ( size < 2 ||
02683         base[size-2] != YY_END_OF_BUFFER_CHAR ||
02684         base[size-1] != YY_END_OF_BUFFER_CHAR )
02685       /* They forgot to leave room for the EOB's. */
02686       return 0;
02687 
02688    b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
02689    if ( ! b )
02690       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" );
02691 
02692    b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
02693    b->yy_buf_pos = b->yy_ch_buf = base;
02694    b->yy_is_our_buffer = 0;
02695    b->yy_input_file = 0;
02696    b->yy_n_chars = b->yy_buf_size;
02697    b->yy_is_interactive = 0;
02698    b->yy_at_bol = 1;
02699    b->yy_fill_buffer = 0;
02700    b->yy_buffer_status = YY_BUFFER_NEW;
02701 
02702    ast_yy_switch_to_buffer(b ,yyscanner );
02703 
02704    return b;
02705 }

YY_BUFFER_STATE ast_yy_scan_bytes ( yyconst char *  yybytes,
int  _yybytes_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 2728 of file ast_expr2f.c.

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

Referenced by ast_yy_scan_string().

02729 {
02730    YY_BUFFER_STATE b;
02731    char *buf;
02732    yy_size_t n;
02733    int i;
02734     
02735    /* Get memory for full buffer, including space for trailing EOB's. */
02736    n = _yybytes_len + 2;
02737    buf = (char *) ast_yyalloc(n ,yyscanner );
02738    if ( ! buf )
02739       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );
02740 
02741    for ( i = 0; i < _yybytes_len; ++i )
02742       buf[i] = yybytes[i];
02743 
02744    buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
02745 
02746    b = ast_yy_scan_buffer(buf,n ,yyscanner);
02747    if ( ! b )
02748       YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" );
02749 
02750    /* It's okay to grow etc. this buffer, and we should throw it
02751     * away when we're done.
02752     */
02753    b->yy_is_our_buffer = 1;
02754 
02755    return b;
02756 }

YY_BUFFER_STATE ast_yy_scan_string ( yyconst char *  yystr,
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 2715 of file ast_expr2f.c.

References ast_yy_scan_bytes().

Referenced by ast_expr().

02716 {
02717     
02718    return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
02719 }

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 3070 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().

03071 {
03072    return (void *) malloc( size );
03073 }

static void ast_yyensure_buffer_stack ( yyscan_t  yyscanner  )  [static]

Definition at line 2632 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().

02633 {
02634    int num_to_alloc;
02635     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02636 
02637    if (!yyg->yy_buffer_stack) {
02638 
02639       /* First allocation is just for 2 elements, since we don't know if this
02640        * scanner will even need a stack. We use 2 instead of 1 to avoid an
02641        * immediate realloc on the next call.
02642          */
02643       num_to_alloc = 1;
02644       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc
02645                         (num_to_alloc * sizeof(struct yy_buffer_state*)
02646                         , yyscanner);
02647       
02648       memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
02649             
02650       yyg->yy_buffer_stack_max = num_to_alloc;
02651       yyg->yy_buffer_stack_top = 0;
02652       return;
02653    }
02654 
02655    if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
02656 
02657       /* Increase the buffer to prepare for a possible push. */
02658       int grow_size = 8 /* arbitrary grow size */;
02659 
02660       num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
02661       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc
02662                         (yyg->yy_buffer_stack,
02663                         num_to_alloc * sizeof(struct yy_buffer_state*)
02664                         , yyscanner);
02665 
02666       /* zero only the new slots.*/
02667       memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
02668       yyg->yy_buffer_stack_max = num_to_alloc;
02669    }
02670 }

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

Definition at line 3260 of file ast_expr2f.c.

References ast_log(), expr2_token_subst(), free, LOG_WARNING, parse_io::scanner, parse_io::string, YY_CURRENT_BUFFER_LVALUE, and yytext.

03261 {  
03262    struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
03263    char spacebuf[8000]; /* best safe than sorry */
03264    char spacebuf2[8000]; /* best safe than sorry */
03265    int i=0;
03266    char *s2 = expr2_token_subst(s);
03267    spacebuf[0] = 0;
03268    
03269    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,
03270                                                                         which is the same thing as... get this:
03271                                        yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
03272                                        I was tempted to just use yy_buf_pos in the STATE, but..., well:
03273                                           a. the yy_buf_pos is the current position in the buffer, which
03274                                              may not relate to the entire string/buffer because of the
03275                                              buffering.
03276                                           b. but, analysis of the situation is that when you use the
03277                                              ast_yy_scan_string func, it creates a single buffer the size of
03278                                              string, so the two would be the same... 
03279                                        so, in the end, the yycolumn macro is available, shorter, therefore easier. */
03280    spacebuf2[i++]='^';
03281    spacebuf2[i]= 0;
03282 
03283 #ifdef STANDALONE3
03284    /* easier to read in the standalone version */
03285    printf("ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",  
03286          (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
03287 #else
03288    ast_log(LOG_WARNING,"ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",  
03289          (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
03290 #endif
03291 #ifndef STANDALONE
03292    ast_log(LOG_WARNING,"If you have questions, please refer to doc/channelvariables.txt in the asterisk source.\n");
03293 #endif
03294    free(s2);
03295    return(0);
03296 }

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

void ast_yyfree ( void *  ptr,
yyscan_t  yyscanner 
)

Definition at line 3087 of file ast_expr2f.c.

References free.

Referenced by ast_yylex_destroy().

03088 {
03089    free( (char *) ptr );   /* see ast_yyrealloc() for (char *) cast */
03090 }

int ast_yyget_column ( yyscan_t  yyscanner  ) 

Get the current column number.

Parameters:
yyscanner The scanner object.

Definition at line 2812 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yycolumn.

02813 {
02814     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02815     
02816         if (! YY_CURRENT_BUFFER)
02817             return 0;
02818     
02819     return yycolumn;
02820 }

int ast_yyget_debug ( yyscan_t  yyscanner  ) 

Definition at line 2917 of file ast_expr2f.c.

References yy_flex_debug.

02918 {
02919     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02920     return yy_flex_debug;
02921 }

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 2790 of file ast_expr2f.c.

References yyextra.

02791 {
02792     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02793     return yyextra;
02794 }

FILE * ast_yyget_in ( yyscan_t  yyscanner  ) 

Get the input stream.

Parameters:
yyscanner The scanner object.

Definition at line 2825 of file ast_expr2f.c.

References yyin.

02826 {
02827     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02828     return yyin;
02829 }

int ast_yyget_leng ( yyscan_t  yyscanner  ) 

Get the length of the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2843 of file ast_expr2f.c.

References yyleng.

02844 {
02845     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02846     return yyleng;
02847 }

int ast_yyget_lineno ( yyscan_t  yyscanner  ) 

Get the current line number.

Parameters:
yyscanner The scanner object.

Definition at line 2799 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yylineno.

02800 {
02801     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02802     
02803         if (! YY_CURRENT_BUFFER)
02804             return 0;
02805     
02806     return yylineno;
02807 }

YYLTYPE * ast_yyget_lloc ( yyscan_t  yyscanner  ) 

Definition at line 2943 of file ast_expr2f.c.

References yylloc.

02944 {
02945     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02946     return yylloc;
02947 }

YYSTYPE * ast_yyget_lval ( yyscan_t  yyscanner  ) 

Definition at line 2931 of file ast_expr2f.c.

References yylval.

02932 {
02933     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02934     return yylval;
02935 }

FILE * ast_yyget_out ( yyscan_t  yyscanner  ) 

Get the output stream.

Parameters:
yyscanner The scanner object.

Definition at line 2834 of file ast_expr2f.c.

References yyout.

02835 {
02836     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02837     return yyout;
02838 }

char * ast_yyget_text ( yyscan_t  yyscanner  ) 

Get the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2853 of file ast_expr2f.c.

References yytext.

02854 {
02855     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02856     return yytext;
02857 }

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

int ast_yylex_destroy ( yyscan_t  yyscanner  ) 

Definition at line 3017 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, yy_init_globals(), and yyguts_t::yy_start_stack.

Referenced by ast_expr().

03018 {
03019     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
03020 
03021     /* Pop the buffer stack, destroying each element. */
03022    while(YY_CURRENT_BUFFER){
03023       ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
03024       YY_CURRENT_BUFFER_LVALUE = NULL;
03025       ast_yypop_buffer_state(yyscanner);
03026    }
03027 
03028    /* Destroy the stack itself. */
03029    ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
03030    yyg->yy_buffer_stack = NULL;
03031 
03032     /* Destroy the start condition stack. */
03033         ast_yyfree(yyg->yy_start_stack ,yyscanner );
03034         yyg->yy_start_stack = NULL;
03035 
03036     /* Reset the globals. This is important in a non-reentrant scanner so the next time
03037      * ast_yylex() is called, initialization will occur. */
03038     yy_init_globals( yyscanner);
03039 
03040     /* Destroy the main struct (reentrant only). */
03041     ast_yyfree ( yyscanner , yyscanner );
03042     yyscanner = NULL;
03043     return 0;
03044 }

int ast_yylex_init ( yyscan_t scanner  ) 

Definition at line 2962 of file ast_expr2f.c.

References ast_yyalloc(), errno, and yy_init_globals().

Referenced by ast_expr().

02964 {
02965     if (ptr_yy_globals == NULL){
02966         errno = EINVAL;
02967         return 1;
02968     }
02969 
02970     *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
02971 
02972     if (*ptr_yy_globals == NULL){
02973         errno = ENOMEM;
02974         return 1;
02975     }
02976 
02977     /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
02978     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
02979 
02980     return yy_init_globals ( *ptr_yy_globals );
02981 }

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 2612 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().

02613 {
02614     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02615    if (!YY_CURRENT_BUFFER)
02616       return;
02617 
02618    ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
02619    YY_CURRENT_BUFFER_LVALUE = NULL;
02620    if (yyg->yy_buffer_stack_top > 0)
02621       --yyg->yy_buffer_stack_top;
02622 
02623    if (YY_CURRENT_BUFFER) {
02624       ast_yy_load_buffer_state(yyscanner );
02625       yyg->yy_did_buffer_switch_on_eof = 1;
02626    }
02627 }

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 2581 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.

02582 {
02583     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02584    if (new_buffer == NULL)
02585       return;
02586 
02587    ast_yyensure_buffer_stack(yyscanner);
02588 
02589    /* This block is copied from ast_yy_switch_to_buffer. */
02590    if ( YY_CURRENT_BUFFER )
02591       {
02592       /* Flush out information for old buffer. */
02593       *yyg->yy_c_buf_p = yyg->yy_hold_char;
02594       YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
02595       YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
02596       }
02597 
02598    /* Only push if top exists. Otherwise, replace top. */
02599    if (YY_CURRENT_BUFFER)
02600       yyg->yy_buffer_stack_top++;
02601    YY_CURRENT_BUFFER_LVALUE = new_buffer;
02602 
02603    /* copied from ast_yy_switch_to_buffer. */
02604    ast_yy_load_buffer_state(yyscanner );
02605    yyg->yy_did_buffer_switch_on_eof = 1;
02606 }

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

Definition at line 3075 of file ast_expr2f.c.

References realloc.

Referenced by ast_yyensure_buffer_stack().

03076 {
03077    /* The cast to (char *) in the following accommodates both
03078     * implementations that use char* generic pointers, and those
03079     * that use void* generic pointers.  It works with the latter
03080     * because both ANSI C and C++ allow castless assignment from
03081     * any pointer type to void*, and deal with argument conversions
03082     * as though doing an assignment.
03083     */
03084    return (void *) realloc( (char *) ptr, size );
03085 }

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 2888 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yycolumn.

02889 {
02890     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02891 
02892         /* column is only valid if an input buffer exists. */
02893         if (! YY_CURRENT_BUFFER )
02894            yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner); 
02895     
02896     yycolumn = column_no;
02897 }

void ast_yyset_debug ( int  debug_flag,
yyscan_t  yyscanner 
)

Definition at line 2923 of file ast_expr2f.c.

References yy_flex_debug.

02924 {
02925     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02926     yy_flex_debug = bdebug ;
02927 }

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 2863 of file ast_expr2f.c.

References yyextra.

02864 {
02865     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02866     yyextra = user_defined ;
02867 }

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 2905 of file ast_expr2f.c.

References yyin.

02906 {
02907     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02908     yyin = in_str ;
02909 }

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 2873 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yylineno.

02874 {
02875     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02876 
02877         /* lineno is only valid if an input buffer exists. */
02878         if (! YY_CURRENT_BUFFER )
02879            yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner); 
02880     
02881     yylineno = line_number;
02882 }

void ast_yyset_lloc ( YYLTYPE yylloc_param,
yyscan_t  yyscanner 
)

Definition at line 2949 of file ast_expr2f.c.

References yylloc.

02950 {
02951     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02952     yylloc = yylloc_param;
02953 }

void ast_yyset_lval ( YYSTYPE yylval_param,
yyscan_t  yyscanner 
)

Definition at line 2937 of file ast_expr2f.c.

References yylval.

02938 {
02939     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02940     yylval = yylval_param;
02941 }

void ast_yyset_out ( FILE *  out_str,
yyscan_t  yyscanner 
)

Definition at line 2911 of file ast_expr2f.c.

References yyout.

02912 {
02913     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02914     yyout = out_str ;
02915 }

static char * expr2_token_subst ( const char *  mess  )  [static]

Definition at line 3217 of file ast_expr2f.c.

References len, malloc, and t.

Referenced by ast_yyerror().

03218 {
03219    /* calc a length, malloc, fill, and return; yyerror had better free it! */
03220    int len=0,i;
03221    const char *p;
03222    char *res, *s,*t;
03223    int expr2_token_equivs_entries = sizeof(expr2_token_equivs1)/sizeof(char*);
03224 
03225    for (p=mess; *p; p++) {
03226       for (i=0; i<expr2_token_equivs_entries; i++) {
03227          if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 )
03228          {
03229             len+=strlen(expr2_token_equivs2[i])+2;
03230             p += strlen(expr2_token_equivs1[i])-1;
03231             break;
03232          }
03233       }
03234       len++;
03235    }
03236    res = (char*)malloc(len+1);
03237    res[0] = 0;
03238    s = res;
03239    for (p=mess; *p;) {
03240       int found = 0;
03241       for (i=0; i<expr2_token_equivs_entries; i++) {
03242          if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 ) {
03243             *s++ = '\'';
03244             for (t=expr2_token_equivs2[i]; *t;) {
03245                *s++ = *t++;
03246             }
03247             *s++ = '\'';
03248             p += strlen(expr2_token_equivs1[i]);
03249             found = 1;
03250             break;
03251          }
03252       }
03253       if( !found )
03254          *s++ = *p++;
03255    }
03256    *s++ = 0;
03257    return res;
03258 }

static int input ( yyscan_t  yyscanner  )  [static]

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

Definition at line 2762 of file ast_expr2f.c.

References YY_EXIT_FAILURE.

02763 {
02764       (void) fprintf( stderr, "%s\n", msg );
02765    exit( YY_EXIT_FAILURE );
02766 }

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 2983 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_destroy(), and ast_yylex_init().

02984 {
02985     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02986     /* Initialization is the same as for the non-reentrant scanner.
02987      * This function is called from ast_yylex_destroy(), so don't allocate here.
02988      */
02989 
02990     yyg->yy_buffer_stack = 0;
02991     yyg->yy_buffer_stack_top = 0;
02992     yyg->yy_buffer_stack_max = 0;
02993     yyg->yy_c_buf_p = (char *) 0;
02994     yyg->yy_init = 0;
02995     yyg->yy_start = 0;
02996 
02997     yyg->yy_start_stack_ptr = 0;
02998     yyg->yy_start_stack_depth = 0;
02999     yyg->yy_start_stack =  NULL;
03000 
03001 /* Defined in main.c */
03002 #ifdef YY_STDINIT
03003     yyin = stdin;
03004     yyout = stdout;
03005 #else
03006     yyin = (FILE *) 0;
03007     yyout = (FILE *) 0;
03008 #endif
03009 
03010     /* For future reference: Set errno on error, since we are called by
03011      * ast_yylex_init()
03012      */
03013     return 0;
03014 }

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 1423 of file ast_expr2f.c.

char* expr2_token_equivs1[] [static]

Definition at line 3166 of file ast_expr2f.c.

char* expr2_token_equivs2[] [static]

Definition at line 3191 of file ast_expr2f.c.

char extra_error_message[4095]

Definition at line 3149 of file ast_expr2f.c.

Definition at line 3150 of file ast_expr2f.c.

yyconst flex_int16_t yy_accept[54] [static]

Definition at line 1305 of file ast_expr2f.c.

yyconst yy_state_type yy_NUL_trans[54] [static]

Definition at line 1315 of file ast_expr2f.c.

yyconst flex_int16_t yy_nxt[][128] [static]

Definition at line 342 of file ast_expr2f.c.


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