Tue Mar 2 17:32:34 2010

Asterisk developer's documentation

ast_expr2f.c File Reference

Dialplan Expression Lexical Scanner. More...

#include "asterisk.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.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 "asterisk/channel.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   do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
#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 FP___FMOD   fmod
#define FP___PRINTF   "%.16g"
#define FP___STRTOD   strtod
#define FP___TYPE   double
#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
#define YY_DECL_IS_OURS   1
#define YY_DO_BEFORE_ACTION
#define YY_END_OF_BUFFER   39
#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   35
#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   38
#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_state * YY_BUFFER_STATE
typedef unsigned char YY_CHAR
typedef size_t yy_size_t
typedef int yy_state_type
typedef void * yyscan_t

Enumerations

enum  valtype {
  AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string, AST_EXPR_number,
  AST_EXPR_numeric_string, AST_EXPR_string
}

Functions

int ast_expr (char *expr, char *buf, int length, struct ast_channel *chan)
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)
YYLTYPE * ast_yyget_lloc (yyscan_t yyscanner)
YYSTYPE * ast_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_yylex_init_extra (YY_EXTRA_TYPE user_defined, 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 [63]
static yyconst flex_int16_t yy_base [70]
static yyconst flex_int16_t yy_chk [159]
static yyconst flex_int16_t yy_def [70]
static yyconst flex_int32_t yy_ec [256]
static yyconst flex_int32_t yy_meta [29]
static yyconst flex_int16_t yy_nxt [159]

Detailed Description

Dialplan Expression Lexical Scanner.

Definition in file ast_expr2f.c.

Define Documentation

#define ast_yywrap ( n   )     1

Definition at line 331 of file ast_expr2f.c.

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

Definition at line 145 of file ast_expr2f.c.

#define ECHO   do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)

Definition at line 746 of file ast_expr2f.c.

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

#define EOB_ACT_CONTINUE_SCAN   0

Definition at line 176 of file ast_expr2f.c.

#define EOB_ACT_END_OF_FILE   1

Definition at line 177 of file ast_expr2f.c.

#define EOB_ACT_LAST_MATCH   2

Definition at line 178 of file ast_expr2f.c.

#define FLEX_BETA

Definition at line 16 of file ast_expr2f.c.

#define FLEX_SCANNER

Definition at line 11 of file ast_expr2f.c.

#define FP___FMOD   fmod

Definition at line 529 of file ast_expr2f.c.

#define FP___PRINTF   "%.16g"

Definition at line 528 of file ast_expr2f.c.

#define FP___STRTOD   strtod

Definition at line 530 of file ast_expr2f.c.

#define FP___TYPE   double

Definition at line 531 of file ast_expr2f.c.

#define INITIAL   0

Definition at line 601 of file ast_expr2f.c.

#define INT16_MAX   (32767)

Definition at line 74 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT16_MIN   (-32767-1)

Definition at line 65 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT32_MAX   (2147483647)

Definition at line 77 of file ast_expr2f.c.

#define INT32_MIN   (-2147483647-1)

Definition at line 68 of file ast_expr2f.c.

#define INT8_MAX   (127)

Definition at line 71 of file ast_expr2f.c.

#define INT8_MIN   (-128)

Definition at line 62 of file ast_expr2f.c.

#define REJECT   reject_used_but_not_detected

Definition at line 482 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 568 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 580 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 574 of file ast_expr2f.c.

#define trail   2

Definition at line 603 of file ast_expr2f.c.

#define UINT16_MAX   (65535U)

Definition at line 83 of file ast_expr2f.c.

#define UINT32_MAX   (4294967295U)

Definition at line 86 of file ast_expr2f.c.

#define UINT8_MAX   (255U)

Definition at line 80 of file ast_expr2f.c.

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

Definition at line 196 of file ast_expr2f.c.

#define var   1

Definition at line 602 of file ast_expr2f.c.

Referenced by __init_manager(), acf_iaxvar_read(), acf_iaxvar_write(), acf_sprintf(), add_cfg_entry(), add_rt_cfg_entry(), add_rt_multi_cfg_entry(), add_user_extension(), aji_load_config(), apply_options(), apply_outgoing(), ast_cdr_copy_vars(), ast_cdr_serialize_variables(), ast_channeltype_list(), ast_iax2_new(), ast_var_assign(), astman_get_variables(), authenticate_reply(), build_extension(), build_profile(), clearvar_prefix(), cli_realtime_load(), conf_exec(), conf_run(), config_module(), config_text_file_save(), console_cmd(), delete_extension(), do_timelimit(), find_conf(), find_conf_realtime(), find_user_realtime(), function_realtime_read(), function_realtime_readdestroy(), get_insecure_variable_from_config(), global_read(), gtalk_load_config(), handle_updates(), handle_uri(), http_post_callback(), iax2_call(), iax_parse_ies(), inherit_category(), init_logger_chain(), jingle_load_config(), ldap_loadentry(), ldap_table_config_add_attribute(), leave_queue(), load_config(), load_moh_classes(), local_ast_moh_start(), minivm_account_func_read(), misdn_hangup(), move_variables(), odbc_load_module(), parse_config(), parse_cookies(), pbx_builtin_serialize_variables(), pbx_substitute_variables_helper_full(), phoneprov_callback(), prep_email_sub_vars(), process_text_line(), profile_destructor(), queue_function_queuewaitingcount(), realtime_alias(), realtime_canmatch(), realtime_common(), realtime_curl(), realtime_directory(), realtime_exec(), realtime_exists(), realtime_ldap(), realtime_ldap_entry_to_var(), realtime_ldap_result_to_vars(), realtime_matchmore(), realtime_multi_curl(), realtime_multi_ldap(), realtime_multi_odbc(), realtime_multi_pgsql(), realtime_odbc(), realtime_peer(), realtime_pgsql(), realtime_switch_common(), realtime_user(), reload(), reload_followme(), reload_queues(), retrieve_astcfgint(), set_config(), set_timezone_variables(), shared_read(), shared_variable_free(), shared_write(), sla_build_station(), sla_build_trunk(), socket_process(), transmit_invite(), transmit_notify_custom(), unload_module(), vm_change_password(), and xml_translate().

 
#define YY_AT_BOL (  )     (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 327 of file ast_expr2f.c.

#define YY_BREAK   break;

Definition at line 827 of file ast_expr2f.c.

#define YY_BUF_SIZE   16384

Definition at line 164 of file ast_expr2f.c.

#define YY_BUFFER_EOF_PENDING   2

Definition at line 263 of file ast_expr2f.c.

#define YY_BUFFER_NEW   0

Definition at line 251 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), and ast_yy_scan_buffer().

#define YY_BUFFER_NORMAL   1

Definition at line 252 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 274 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]

Definition at line 281 of file ast_expr2f.c.

Referenced by ast_yyerror(), ast_yylex_destroy(), ast_yypop_buffer_state(), and ast_yypush_buffer_state().

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

Definition at line 814 of file ast_expr2f.c.

#define YY_DECL_IS_OURS   1

Definition at line 809 of file ast_expr2f.c.

#define YY_DO_BEFORE_ACTION

Definition at line 348 of file ast_expr2f.c.

#define YY_END_OF_BUFFER   39

Definition at line 357 of file ast_expr2f.c.

#define YY_END_OF_BUFFER_CHAR   0

Definition at line 160 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 2001 of file ast_expr2f.c.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE   void *

Definition at line 614 of file ast_expr2f.c.

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

Definition at line 800 of file ast_expr2f.c.

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

#define yy_flex_debug   yyg->yy_flex_debug_r

Definition at line 139 of file ast_expr2f.c.

Referenced by ast_yyget_debug(), and ast_yyset_debug().

#define YY_FLEX_MAJOR_VERSION   2

Definition at line 12 of file ast_expr2f.c.

#define YY_FLEX_MINOR_VERSION   5

Definition at line 13 of file ast_expr2f.c.

#define YY_FLEX_SUBMINOR_VERSION   35

Definition at line 14 of file ast_expr2f.c.

#define YY_FLUSH_BUFFER   ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

Definition at line 295 of file ast_expr2f.c.

#define YY_INPUT ( buf,
result,
max_size   ) 

Definition at line 753 of file ast_expr2f.c.

#define YY_INT_ALIGNED   short int

Definition at line 7 of file ast_expr2f.c.

#define YY_LESS_LINENO ( n   ) 

Definition at line 180 of file ast_expr2f.c.

#define YY_MORE_ADJ   yyg->yy_more_len

Definition at line 484 of file ast_expr2f.c.

#define yy_new_buffer   ast_yy_create_buffer

Definition at line 305 of file ast_expr2f.c.

#define YY_NEW_FILE   ast_yyrestart(yyin ,yyscanner )

Definition at line 158 of file ast_expr2f.c.

#define YY_NULL   0

Definition at line 115 of file ast_expr2f.c.

#define YY_NUM_RULES   38

Definition at line 356 of file ast_expr2f.c.

#define YY_READ_BUF_SIZE   8192

Definition at line 738 of file ast_expr2f.c.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 485 of file ast_expr2f.c.

#define YY_RULE_SETUP   YY_USER_ACTION

Definition at line 830 of file ast_expr2f.c.

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

Definition at line 122 of file ast_expr2f.c.

#define yy_set_bol ( at_bol   ) 

Definition at line 317 of file ast_expr2f.c.

#define yy_set_interactive ( is_interactive   ) 

Definition at line 307 of file ast_expr2f.c.

#define YY_SKIP_YYWRAP

Definition at line 332 of file ast_expr2f.c.

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

Definition at line 151 of file ast_expr2f.c.

#define YY_START_STACK_INCR   25

Definition at line 795 of file ast_expr2f.c.

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

Definition at line 169 of file ast_expr2f.c.

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

Definition at line 155 of file ast_expr2f.c.

#define yycolumn   (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

Definition at line 138 of file ast_expr2f.c.

Referenced by ast_yyget_column(), and ast_yyset_column().

#define yyconst

Definition at line 111 of file ast_expr2f.c.

#define yyextra   yyg->yyextra_r

Definition at line 134 of file ast_expr2f.c.

Referenced by ast_yyget_extra(), and ast_yyset_extra().

#define yyin   yyg->yyin_r

Definition at line 132 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 135 of file ast_expr2f.c.

Referenced by ast_yyget_leng().

#define yyless ( n   ) 

Definition at line 2013 of file ast_expr2f.c.

#define yyless ( n   ) 

Definition at line 2013 of file ast_expr2f.c.

#define yylineno   (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

Definition at line 137 of file ast_expr2f.c.

Referenced by ast_yyget_lineno(), and ast_yyset_lineno().

#define yylloc   yyg->yylloc_r

Definition at line 661 of file ast_expr2f.c.

#define yylval   yyg->yylval_r

Definition at line 659 of file ast_expr2f.c.

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

Definition at line 483 of file ast_expr2f.c.

#define yyout   yyg->yyout_r

Definition at line 133 of file ast_expr2f.c.

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

#define YYSTATE   YY_START

Definition at line 152 of file ast_expr2f.c.

#define YYTABLES_NAME   "yytables"

Definition at line 2365 of file ast_expr2f.c.

 
#define yyterminate (  )     return YY_NULL

Definition at line 790 of file ast_expr2f.c.

#define yytext   yyg->yytext_r

Definition at line 136 of file ast_expr2f.c.

Referenced by ast_yyerror(), and ast_yyget_text().

#define yytext_ptr   yytext_r

Definition at line 338 of file ast_expr2f.c.

Typedef Documentation

typedef short int flex_int16_t

Definition at line 54 of file ast_expr2f.c.

typedef int flex_int32_t

Definition at line 55 of file ast_expr2f.c.

typedef signed char flex_int8_t

Definition at line 53 of file ast_expr2f.c.

typedef unsigned short int flex_uint16_t

Definition at line 57 of file ast_expr2f.c.

typedef unsigned int flex_uint32_t

Definition at line 58 of file ast_expr2f.c.

typedef unsigned char flex_uint8_t

Definition at line 56 of file ast_expr2f.c.

typedef struct yy_buffer_state* YY_BUFFER_STATE

Definition at line 173 of file ast_expr2f.c.

typedef unsigned char YY_CHAR

Definition at line 334 of file ast_expr2f.c.

typedef size_t yy_size_t

Definition at line 200 of file ast_expr2f.c.

typedef int yy_state_type

Definition at line 336 of file ast_expr2f.c.

typedef void* yyscan_t

Definition at line 127 of file ast_expr2f.c.

Enumeration Type Documentation

enum valtype
Enumerator:
AST_EXPR_number 
AST_EXPR_numeric_string 
AST_EXPR_string 
AST_EXPR_number 
AST_EXPR_numeric_string 
AST_EXPR_string 

Definition at line 554 of file ast_expr2f.c.

00554              {
00555    AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
00556 } ;

Function Documentation

int ast_expr ( char *  expr,
char *  buf,
int  length,
struct ast_channel *  chan 
)

Definition at line 2388 of file ast_expr2f.c.

References ast_copy_string(), AST_EXPR_number, ast_yy_scan_string(), ast_yylex_destroy(), ast_yylex_init(), ast_yyparse(), parse_io::chan, FP___PRINTF, free, parse_io::scanner, and parse_io::string.

Referenced by pbx_substitute_variables_helper_full().

02389 {
02390    struct parse_io io;
02391    int return_value = 0;
02392    
02393    memset(&io, 0, sizeof(io));
02394    io.string = expr;  /* to pass to the error routine */
02395    io.chan = chan;
02396    
02397    ast_yylex_init(&io.scanner);
02398    
02399    ast_yy_scan_string(expr, io.scanner);
02400    
02401    ast_yyparse ((void *) &io);
02402 
02403    ast_yylex_destroy(io.scanner);
02404 
02405    if (!io.val) {
02406       if (length > 1) {
02407          strcpy(buf, "0");
02408          return_value = 1;
02409       }
02410    } else {
02411       if (io.val->type == AST_EXPR_number) {
02412          int res_length;
02413 
02414          res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
02415          return_value = (res_length <= length) ? res_length : length;
02416       } else {
02417          if (io.val->u.s)
02418 #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE)
02419             strncpy(buf, io.val->u.s, length - 1);
02420 #else /* !STANDALONE && !LOW_MEMORY */
02421             ast_copy_string(buf, io.val->u.s, length);
02422 #endif /* STANDALONE || LOW_MEMORY */
02423          else
02424             buf[0] = 0;
02425          return_value = strlen(buf);
02426          free(io.val->u.s);
02427       }
02428       free(io.val);
02429    }
02430    return return_value;
02431 }

void ast_expr_clear_extra_error_info ( void   ) 

Definition at line 2445 of file ast_expr2f.c.

02446 {
02447        extra_error_message_supplied=0;
02448        extra_error_message[0] = 0;
02449 }

void ast_expr_register_extra_error_info ( char *  message  ) 

Definition at line 2439 of file ast_expr2f.c.

02440 {
02441        extra_error_message_supplied=1;
02442        strcpy(extra_error_message, message);
02443 }

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 
)

Referenced by ast_yylex_destroy(), and ast_yypop_buffer_state().

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 1789 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().

01790 {
01791     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01792    if ( ! b )
01793       return;
01794 
01795    b->yy_n_chars = 0;
01796 
01797    /* We always need two end-of-buffer characters.  The first causes
01798     * a transition to the end-of-buffer state.  The second causes
01799     * a jam in that state.
01800     */
01801    b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
01802    b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
01803 
01804    b->yy_buf_pos = &b->yy_ch_buf[0];
01805 
01806    b->yy_at_bol = 1;
01807    b->yy_buffer_status = YY_BUFFER_NEW;
01808 
01809    if ( b == YY_CURRENT_BUFFER )
01810       ast_yy_load_buffer_state(yyscanner );
01811 }

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 1760 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.

01762 {
01763    int oerrno = errno;
01764     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01765 
01766    ast_yy_flush_buffer(b ,yyscanner);
01767 
01768    b->yy_input_file = file;
01769    b->yy_fill_buffer = 1;
01770 
01771     /* If b is the current buffer, then ast_yy_init_buffer was _probably_
01772      * called from ast_yyrestart() or through yy_get_next_buffer.
01773      * In that case, we don't want to reset the lineno or column.
01774      */
01775     if (b != YY_CURRENT_BUFFER){
01776         b->yy_bs_lineno = 1;
01777         b->yy_bs_column = 0;
01778     }
01779 
01780         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
01781     
01782    errno = oerrno;
01783 }

static void ast_yy_load_buffer_state ( yyscan_t  yyscanner  )  [static]

Referenced by ast_yy_flush_buffer(), ast_yypop_buffer_state(), and ast_yypush_buffer_state().

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 1920 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().

01921 {
01922    YY_BUFFER_STATE b;
01923     
01924    if ( size < 2 ||
01925         base[size-2] != YY_END_OF_BUFFER_CHAR ||
01926         base[size-1] != YY_END_OF_BUFFER_CHAR )
01927       /* They forgot to leave room for the EOB's. */
01928       return 0;
01929 
01930    b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
01931    if ( ! b )
01932       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" );
01933 
01934    b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
01935    b->yy_buf_pos = b->yy_ch_buf = base;
01936    b->yy_is_our_buffer = 0;
01937    b->yy_input_file = 0;
01938    b->yy_n_chars = b->yy_buf_size;
01939    b->yy_is_interactive = 0;
01940    b->yy_at_bol = 1;
01941    b->yy_fill_buffer = 0;
01942    b->yy_buffer_status = YY_BUFFER_NEW;
01943 
01944    ast_yy_switch_to_buffer(b ,yyscanner );
01945 
01946    return b;
01947 }

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 1970 of file ast_expr2f.c.

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

Referenced by ast_yy_scan_string().

01971 {
01972    YY_BUFFER_STATE b;
01973    char *buf;
01974    yy_size_t n;
01975    int i;
01976     
01977    /* Get memory for full buffer, including space for trailing EOB's. */
01978    n = _yybytes_len + 2;
01979    buf = (char *) ast_yyalloc(n ,yyscanner );
01980    if ( ! buf )
01981       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );
01982 
01983    for ( i = 0; i < _yybytes_len; ++i )
01984       buf[i] = yybytes[i];
01985 
01986    buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
01987 
01988    b = ast_yy_scan_buffer(buf,n ,yyscanner);
01989    if ( ! b )
01990       YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" );
01991 
01992    /* It's okay to grow etc. this buffer, and we should throw it
01993     * away when we're done.
01994     */
01995    b->yy_is_our_buffer = 1;
01996 
01997    return b;
01998 }

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:
yystr 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 1957 of file ast_expr2f.c.

References ast_yy_scan_bytes().

Referenced by ast_expr().

01958 {
01959     
01960    return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
01961 }

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 2348 of file ast_expr2f.c.

References malloc.

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

02349 {
02350    return (void *) malloc( size );
02351 }

static void ast_yyensure_buffer_stack ( yyscan_t  yyscanner  )  [static]

Definition at line 1870 of file ast_expr2f.c.

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

Referenced by ast_yypush_buffer_state().

01871 {
01872    int num_to_alloc;
01873     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01874 
01875    if (!yyg->yy_buffer_stack) {
01876 
01877       /* First allocation is just for 2 elements, since we don't know if this
01878        * scanner will even need a stack. We use 2 instead of 1 to avoid an
01879        * immediate realloc on the next call.
01880          */
01881       num_to_alloc = 1;
01882       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc
01883                         (num_to_alloc * sizeof(struct yy_buffer_state*)
01884                         , yyscanner);
01885       if ( ! yyg->yy_buffer_stack )
01886          YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_buffer_stack()" );
01887                           
01888       memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
01889             
01890       yyg->yy_buffer_stack_max = num_to_alloc;
01891       yyg->yy_buffer_stack_top = 0;
01892       return;
01893    }
01894 
01895    if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
01896 
01897       /* Increase the buffer to prepare for a possible push. */
01898       int grow_size = 8 /* arbitrary grow size */;
01899 
01900       num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
01901       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc
01902                         (yyg->yy_buffer_stack,
01903                         num_to_alloc * sizeof(struct yy_buffer_state*)
01904                         , yyscanner);
01905       if ( ! yyg->yy_buffer_stack )
01906          YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_buffer_stack()" );
01907 
01908       /* zero only the new slots.*/
01909       memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
01910       yyg->yy_buffer_stack_max = num_to_alloc;
01911    }
01912 }

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

Definition at line 2547 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.

02548 {  
02549    struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
02550    char spacebuf[8000]; /* best safe than sorry */
02551    char spacebuf2[8000]; /* best safe than sorry */
02552    int i=0;
02553    char *s2 = expr2_token_subst(s);
02554    spacebuf[0] = 0;
02555    
02556    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,
02557                                                                         which is the same thing as... get this:
02558                                        yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
02559                                        I was tempted to just use yy_buf_pos in the STATE, but..., well:
02560                                           a. the yy_buf_pos is the current position in the buffer, which
02561                                              may not relate to the entire string/buffer because of the
02562                                              buffering.
02563                                           b. but, analysis of the situation is that when you use the
02564                                              ast_yy_scan_string func, it creates a single buffer the size of
02565                                              string, so the two would be the same... 
02566                                        so, in the end, the yycolumn macro is available, shorter, therefore easier. */
02567    spacebuf2[i++]='^';
02568    spacebuf2[i]= 0;
02569 
02570 #ifdef STANDALONE3
02571    /* easier to read in the standalone version */
02572    printf("ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",  
02573          (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
02574 #else
02575    ast_log(LOG_WARNING,"ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",  
02576          (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
02577 #endif
02578 #ifndef STANDALONE
02579    ast_log(LOG_WARNING,"If you have questions, please refer to doc/tex/channelvariables.tex in the asterisk source.\n");
02580 #endif
02581    free(s2);
02582    return(0);
02583 }

int ast_yyerror ( const char *  ,
YYLTYPE *  ,
struct parse_io *   
)
void ast_yyfree ( void *  ptr,
yyscan_t  yyscanner 
)

Definition at line 2380 of file ast_expr2f.c.

References free.

Referenced by ast_yylex_destroy().

02381 {
02382        /* the normal generated ast_yyfree func just frees its first arg;
02383                     this get complaints on some systems, as sometimes this
02384                     arg is a nil ptr! It's usually not fatal, but is irritating! */
02385               free( (char *) ptr );
02386 }

int ast_yyget_column ( yyscan_t  yyscanner  ) 

Get the current column number.

Parameters:
yyscanner The scanner object.

Definition at line 2054 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yycolumn.

02055 {
02056     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02057     
02058         if (! YY_CURRENT_BUFFER)
02059             return 0;
02060     
02061     return yycolumn;
02062 }

int ast_yyget_debug ( yyscan_t  yyscanner  ) 

Definition at line 2159 of file ast_expr2f.c.

References yy_flex_debug.

02160 {
02161     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02162     return yy_flex_debug;
02163 }

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 2032 of file ast_expr2f.c.

References yyextra.

02033 {
02034     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02035     return yyextra;
02036 }

FILE * ast_yyget_in ( yyscan_t  yyscanner  ) 

Get the input stream.

Parameters:
yyscanner The scanner object.

Definition at line 2067 of file ast_expr2f.c.

References yyin.

02068 {
02069     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02070     return yyin;
02071 }

int ast_yyget_leng ( yyscan_t  yyscanner  ) 

Get the length of the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2085 of file ast_expr2f.c.

References yyleng.

02086 {
02087     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02088     return yyleng;
02089 }

int ast_yyget_lineno ( yyscan_t  yyscanner  ) 

Get the current line number.

Parameters:
yyscanner The scanner object.

Definition at line 2041 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yylineno.

02042 {
02043     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02044     
02045         if (! YY_CURRENT_BUFFER)
02046             return 0;
02047     
02048     return yylineno;
02049 }

YYLTYPE * ast_yyget_lloc ( yyscan_t  yyscanner  ) 

Definition at line 2185 of file ast_expr2f.c.

References yylloc.

02186 {
02187     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02188     return yylloc;
02189 }

YYSTYPE * ast_yyget_lval ( yyscan_t  yyscanner  ) 

Definition at line 2173 of file ast_expr2f.c.

References yylval.

02174 {
02175     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02176     return yylval;
02177 }

FILE * ast_yyget_out ( yyscan_t  yyscanner  ) 

Get the output stream.

Parameters:
yyscanner The scanner object.

Definition at line 2076 of file ast_expr2f.c.

References yyout.

02077 {
02078     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02079     return yyout;
02080 }

char * ast_yyget_text ( yyscan_t  yyscanner  ) 

Get the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2095 of file ast_expr2f.c.

References yytext.

02096 {
02097     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02098     return yytext;
02099 }

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

Definition at line 2295 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().

02296 {
02297     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02298 
02299     /* Pop the buffer stack, destroying each element. */
02300    while(YY_CURRENT_BUFFER){
02301       ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
02302       YY_CURRENT_BUFFER_LVALUE = NULL;
02303       ast_yypop_buffer_state(yyscanner);
02304    }
02305 
02306    /* Destroy the stack itself. */
02307    ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
02308    yyg->yy_buffer_stack = NULL;
02309 
02310     /* Destroy the start condition stack. */
02311         ast_yyfree(yyg->yy_start_stack ,yyscanner );
02312         yyg->yy_start_stack = NULL;
02313 
02314     /* Reset the globals. This is important in a non-reentrant scanner so the next time
02315      * ast_yylex() is called, initialization will occur. */
02316     yy_init_globals( yyscanner);
02317 
02318     /* Destroy the main struct (reentrant only). */
02319     ast_yyfree ( yyscanner , yyscanner );
02320     yyscanner = NULL;
02321     return 0;
02322 }

int ast_yylex_init ( yyscan_t *  scanner  ) 

Definition at line 2204 of file ast_expr2f.c.

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

Referenced by ast_expr().

02206 {
02207     if (ptr_yy_globals == NULL){
02208         errno = EINVAL;
02209         return 1;
02210     }
02211 
02212     *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
02213 
02214     if (*ptr_yy_globals == NULL){
02215         errno = ENOMEM;
02216         return 1;
02217     }
02218 
02219     /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
02220     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
02221 
02222     return yy_init_globals ( *ptr_yy_globals );
02223 }

int ast_yylex_init_extra ( YY_EXTRA_TYPE  user_defined,
yyscan_t *  scanner 
)

Definition at line 2233 of file ast_expr2f.c.

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

02235 {
02236     struct yyguts_t dummy_yyguts;
02237 
02238     ast_yyset_extra (yy_user_defined, &dummy_yyguts);
02239 
02240     if (ptr_yy_globals == NULL){
02241         errno = EINVAL;
02242         return 1;
02243     }
02244    
02245     *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
02246    
02247     if (*ptr_yy_globals == NULL){
02248         errno = ENOMEM;
02249         return 1;
02250     }
02251     
02252     /* By setting to 0xAA, we expose bugs in
02253     yy_init_globals. Leave at 0x00 for releases. */
02254     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
02255     
02256     ast_yyset_extra (yy_user_defined, *ptr_yy_globals);
02257     
02258     return yy_init_globals ( *ptr_yy_globals );
02259 }

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 1850 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().

01851 {
01852     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01853    if (!YY_CURRENT_BUFFER)
01854       return;
01855 
01856    ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
01857    YY_CURRENT_BUFFER_LVALUE = NULL;
01858    if (yyg->yy_buffer_stack_top > 0)
01859       --yyg->yy_buffer_stack_top;
01860 
01861    if (YY_CURRENT_BUFFER) {
01862       ast_yy_load_buffer_state(yyscanner );
01863       yyg->yy_did_buffer_switch_on_eof = 1;
01864    }
01865 }

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 1819 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.

01820 {
01821     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01822    if (new_buffer == NULL)
01823       return;
01824 
01825    ast_yyensure_buffer_stack(yyscanner);
01826 
01827    /* This block is copied from ast_yy_switch_to_buffer. */
01828    if ( YY_CURRENT_BUFFER )
01829       {
01830       /* Flush out information for old buffer. */
01831       *yyg->yy_c_buf_p = yyg->yy_hold_char;
01832       YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
01833       YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
01834       }
01835 
01836    /* Only push if top exists. Otherwise, replace top. */
01837    if (YY_CURRENT_BUFFER)
01838       yyg->yy_buffer_stack_top++;
01839    YY_CURRENT_BUFFER_LVALUE = new_buffer;
01840 
01841    /* copied from ast_yy_switch_to_buffer. */
01842    ast_yy_load_buffer_state(yyscanner );
01843    yyg->yy_did_buffer_switch_on_eof = 1;
01844 }

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

Definition at line 2353 of file ast_expr2f.c.

References realloc.

Referenced by ast_yyensure_buffer_stack().

02354 {
02355    /* The cast to (char *) in the following accommodates both
02356     * implementations that use char* generic pointers, and those
02357     * that use void* generic pointers.  It works with the latter
02358     * because both ANSI C and C++ allow castless assignment from
02359     * any pointer type to void*, and deal with argument conversions
02360     * as though doing an assignment.
02361     */
02362    return (void *) realloc( (char *) ptr, size );
02363 }

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 2130 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yycolumn.

02131 {
02132     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02133 
02134         /* column is only valid if an input buffer exists. */
02135         if (! YY_CURRENT_BUFFER )
02136            yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner); 
02137     
02138     yycolumn = column_no;
02139 }

void ast_yyset_debug ( int  debug_flag,
yyscan_t  yyscanner 
)

Definition at line 2165 of file ast_expr2f.c.

References yy_flex_debug.

02166 {
02167     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02168     yy_flex_debug = bdebug ;
02169 }

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 2105 of file ast_expr2f.c.

References yyextra.

Referenced by ast_yylex_init_extra().

02106 {
02107     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02108     yyextra = user_defined ;
02109 }

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 2147 of file ast_expr2f.c.

References yyin.

02148 {
02149     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02150     yyin = in_str ;
02151 }

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 2115 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yylineno.

02116 {
02117     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02118 
02119         /* lineno is only valid if an input buffer exists. */
02120         if (! YY_CURRENT_BUFFER )
02121            yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner); 
02122     
02123     yylineno = line_number;
02124 }

void ast_yyset_lloc ( YYLTYPE *  yylloc_param,
yyscan_t  yyscanner 
)

Definition at line 2191 of file ast_expr2f.c.

References yylloc.

02192 {
02193     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02194     yylloc = yylloc_param;
02195 }

void ast_yyset_lval ( YYSTYPE *  yylval_param,
yyscan_t  yyscanner 
)

Definition at line 2179 of file ast_expr2f.c.

References yylval.

02180 {
02181     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02182     yylval = yylval_param;
02183 }

void ast_yyset_out ( FILE *  out_str,
yyscan_t  yyscanner 
)

Definition at line 2153 of file ast_expr2f.c.

References yyout.

02154 {
02155     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02156     yyout = out_str ;
02157 }

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

Definition at line 2504 of file ast_expr2f.c.

References len(), and malloc.

Referenced by ast_yyerror().

02505 {
02506    /* calc a length, malloc, fill, and return; yyerror had better free it! */
02507    int len=0,i;
02508    const char *p;
02509    char *res, *s,*t;
02510    int expr2_token_equivs_entries = sizeof(expr2_token_equivs1)/sizeof(char*);
02511 
02512    for (p=mess; *p; p++) {
02513       for (i=0; i<expr2_token_equivs_entries; i++) {
02514          if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 )
02515          {
02516             len+=strlen(expr2_token_equivs2[i])+2;
02517             p += strlen(expr2_token_equivs1[i])-1;
02518             break;
02519          }
02520       }
02521       len++;
02522    }
02523    res = (char*)malloc(len+1);
02524    res[0] = 0;
02525    s = res;
02526    for (p=mess; *p;) {
02527       int found = 0;
02528       for (i=0; i<expr2_token_equivs_entries; i++) {
02529          if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 ) {
02530             *s++ = '\'';
02531             for (t=expr2_token_equivs2[i]; *t;) {
02532                *s++ = *t++;
02533             }
02534             *s++ = '\'';
02535             p += strlen(expr2_token_equivs1[i]);
02536             found = 1;
02537             break;
02538          }
02539       }
02540       if( !found )
02541          *s++ = *p++;
02542    }
02543    *s++ = 0;
02544    return res;
02545 }

static int input ( yyscan_t  yyscanner  )  [static]

Referenced by conf_exec(), conf_run(), and eivr_comm().

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

Definition at line 2004 of file ast_expr2f.c.

References YY_EXIT_FAILURE.

02005 {
02006       (void) fprintf( stderr, "%s\n", msg );
02007    exit( YY_EXIT_FAILURE );
02008 }

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

Referenced by ast_yyset_column(), and ast_yyset_lineno().

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 2261 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(), ast_yylex_init(), and ast_yylex_init_extra().

02262 {
02263     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02264     /* Initialization is the same as for the non-reentrant scanner.
02265      * This function is called from ast_yylex_destroy(), so don't allocate here.
02266      */
02267 
02268     yyg->yy_buffer_stack = 0;
02269     yyg->yy_buffer_stack_top = 0;
02270     yyg->yy_buffer_stack_max = 0;
02271     yyg->yy_c_buf_p = (char *) 0;
02272     yyg->yy_init = 0;
02273     yyg->yy_start = 0;
02274 
02275     yyg->yy_start_stack_ptr = 0;
02276     yyg->yy_start_stack_depth = 0;
02277     yyg->yy_start_stack =  NULL;
02278 
02279 /* Defined in main.c */
02280 #ifdef YY_STDINIT
02281     yyin = stdin;
02282     yyout = stdout;
02283 #else
02284     yyin = (FILE *) 0;
02285     yyout = (FILE *) 0;
02286 #endif
02287 
02288     /* For future reference: Set errno on error, since we are called by
02289      * ast_yylex_init()
02290      */
02291     return 0;
02292 }

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 596 of file ast_expr2f.c.

char* expr2_token_equivs1[] [static]

Definition at line 2451 of file ast_expr2f.c.

char* expr2_token_equivs2[] [static]

Definition at line 2477 of file ast_expr2f.c.

char extra_error_message[4095]

Definition at line 2434 of file ast_expr2f.c.

int extra_error_message_supplied = 0

Definition at line 2435 of file ast_expr2f.c.

yyconst flex_int16_t yy_accept[63] [static]

Definition at line 365 of file ast_expr2f.c.

yyconst flex_int16_t yy_base[70] [static]

Definition at line 415 of file ast_expr2f.c.

yyconst flex_int16_t yy_chk[159] [static]

Definition at line 458 of file ast_expr2f.c.

yyconst flex_int16_t yy_def[70] [static]

Definition at line 426 of file ast_expr2f.c.

yyconst flex_int32_t yy_ec[256] [static]

Definition at line 376 of file ast_expr2f.c.

yyconst flex_int32_t yy_meta[29] [static]

Definition at line 408 of file ast_expr2f.c.

yyconst flex_int16_t yy_nxt[159] [static]

Definition at line 437 of file ast_expr2f.c.

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