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	FLEXINT_H
#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	YY_STRUCT_YY_BUFFER_STATE
#define	YY_TYPEDEF_YY_BUFFER_STATE
#define	YY_TYPEDEF_YY_SCANNER_T
#define	YY_TYPEDEF_YY_SIZE_T
#define	YY_USER_ACTION
#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)
	Evaluate the given expression.
void	ast_expr_clear_extra_error_info (void)
void	ast_expr_register_extra_error_info (char *message)
int	ast_str_expr (struct ast_str *str, ssize_t maxlen, struct ast_channel chan, char *expr)
	Evaluate the given expression.
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 , YYLTYPE , struct parse_io *)
int	ast_yyerror (const char s, yyltype loc, struct parse_io *parseio)
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 const char *const	expr2_token_equivs1 []
static const char *const	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 339 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 564 of file ast_expr2f.c.

Referenced by ast_hide_password(), and ast_restore_tty().

#define EOB_ACT_CONTINUE_SCAN 0

Definition at line 184 of file ast_expr2f.c.

#define EOB_ACT_END_OF_FILE 1

Definition at line 185 of file ast_expr2f.c.

#define EOB_ACT_LAST_MATCH 2

Definition at line 186 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 FLEXINT_H

Definition at line 32 of file ast_expr2f.c.

#define FP___FMOD fmod

Definition at line 537 of file ast_expr2f.c.

#define FP___PRINTF "%.16g"

Definition at line 536 of file ast_expr2f.c.

Referenced by ast_expr(), and ast_str_expr().

#define FP___STRTOD strtod

Definition at line 538 of file ast_expr2f.c.

#define FP___TYPE double

Definition at line 539 of file ast_expr2f.c.

#define INITIAL 0

Definition at line 614 of file ast_expr2f.c.

#define INT16_MAX (32767)

Definition at line 74 of file ast_expr2f.c.

#define INT16_MIN (-32767-1)

Definition at line 65 of file ast_expr2f.c.

#define INT32_MAX (2147483647)

Definition at line 77 of file ast_expr2f.c.

Referenced by ast_parse_arg().

#define INT32_MIN (-2147483647-1)

Definition at line 68 of file ast_expr2f.c.

Referenced by ast_parse_arg().

#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 490 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 581 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 593 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 587 of file ast_expr2f.c.

#define trail 2

Definition at line 616 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.

Referenced by ast_parse_arg().

#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 204 of file ast_expr2f.c.

#define var 1

Definition at line 615 of file ast_expr2f.c.

Referenced by __init_manager(), acf_iaxvar_read(), acf_iaxvar_write(), acf_sprintf(), aco_process_category_options(), aco_set_defaults(), actual_load_config(), add_cfg_entry(), add_message_id(), add_rt_cfg_entry(), add_rt_multi_cfg_entry(), add_user_extension(), aji_load_config(), append_channel_vars(), append_row_to_cfg(), apply_options(), apply_options_full(), apply_outgoing(), array(), ast_bridge_timelimit(), ast_cdr_copy_vars(), ast_cdr_data_add_structure(), ast_cdr_serialize_variables(), ast_channeltype_list(), ast_config_text_file_save(), ast_http_get_post_vars(), ast_iax2_new(), ast_plc_reload(), ast_var_assign(), ast_xmldoc_load_documentation(), authenticate_reply(), build_calendar(), build_extension(), build_profile(), clearvar_prefix(), cli_realtime_load(), conf_exec(), conf_run(), console_cmd(), crement_function_read(), delete_extension(), find_conf(), find_conf_realtime(), find_realtime(), find_user_realtime(), free_channelvars(), function_realtime_read(), function_realtime_readdestroy(), get_insecure_variable_from_config(), get_insecure_variable_from_sippeers(), 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_format_config(), load_moh_classes(), local_ast_moh_start(), man_do_variable_value(), manager_sipnotify(), meetme_menu_admin_extended(), minivm_account_func_read(), misdn_hangup(), move_variables(), new_realtime_sqlite3_db(), odbc_load_module(), osp_create_provider(), parse_config(), parse_cookies(), parse_variable_name(), pbx_builtin_serialize_variables(), pbx_substitute_variables_helper_full(), phoneprov_callback(), prep_email_sub_vars(), process_config(), process_text_line(), profile_destructor(), queue_function_queuewaitingcount(), realtime_alias(), realtime_common(), realtime_curl(), realtime_directory(), realtime_ldap(), realtime_ldap_entry_to_var(), realtime_ldap_result_to_vars(), realtime_multi_curl(), realtime_multi_ldap(), realtime_multi_odbc(), realtime_multi_pgsql(), realtime_odbc(), realtime_peer(), realtime_peer_get_sippeer_helper(), realtime_pgsql(), realtime_switch_common(), realtime_user(), realtimefield_read(), register_realtime_peers_with_callbackextens(), reload(), reload_followme(), reload_module(), reload_single_queue(), rt_extend_conf(), set_config(), set_timezone_variables(), shared_read(), shared_variable_free(), shared_write(), shift_pop(), show_users_realtime(), sip_cli_notify(), sip_msg_send(), sipinfo_send(), sla_build_station(), sla_build_trunk(), socket_process_helper(), static_realtime_cb(), transmit_invite(), unload_module(), unshift_push(), variable_named(), vm_change_password(), write_password_to_file(), and xml_translate().

#define YY_AT_BOL ( ) (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 335 of file ast_expr2f.c.

#define YY_BREAK break;

Definition at line 845 of file ast_expr2f.c.

#define YY_BUF_SIZE 16384

Definition at line 171 of file ast_expr2f.c.

#define YY_BUFFER_EOF_PENDING 2

Definition at line 271 of file ast_expr2f.c.

#define YY_BUFFER_NEW 0

Definition at line 259 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), and ast_yy_scan_buffer().

#define YY_BUFFER_NORMAL 1

Definition at line 260 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 282 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 289 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 832 of file ast_expr2f.c.

#define YY_DECL_IS_OURS 1

Definition at line 827 of file ast_expr2f.c.

#define YY_DO_BEFORE_ACTION

Definition at line 356 of file ast_expr2f.c.

#define YY_END_OF_BUFFER 39

Definition at line 365 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 2019 of file ast_expr2f.c.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE void *

Definition at line 627 of file ast_expr2f.c.

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

Definition at line 818 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 303 of file ast_expr2f.c.

#define YY_INPUT	(	buf,
		result,
		max_size
	)

Definition at line 771 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 188 of file ast_expr2f.c.

#define YY_MORE_ADJ yyg->yy_more_len

Definition at line 492 of file ast_expr2f.c.

#define yy_new_buffer ast_yy_create_buffer

Definition at line 313 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 364 of file ast_expr2f.c.

#define YY_READ_BUF_SIZE 8192

Definition at line 755 of file ast_expr2f.c.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 493 of file ast_expr2f.c.

#define YY_RULE_SETUP YY_USER_ACTION

Definition at line 848 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 325 of file ast_expr2f.c.

#define yy_set_interactive ( is_interactive )

Definition at line 315 of file ast_expr2f.c.

#define YY_SKIP_YYWRAP

Definition at line 340 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 813 of file ast_expr2f.c.

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

Definition at line 177 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 YY_STRUCT_YY_BUFFER_STATE

Definition at line 212 of file ast_expr2f.c.

#define YY_TYPEDEF_YY_BUFFER_STATE

Definition at line 180 of file ast_expr2f.c.

#define YY_TYPEDEF_YY_SCANNER_T

Definition at line 126 of file ast_expr2f.c.

#define YY_TYPEDEF_YY_SIZE_T

Definition at line 207 of file ast_expr2f.c.

#define YY_USER_ACTION

Definition at line 840 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 2031 of file ast_expr2f.c.

#define yyless ( n )

Definition at line 2031 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 674 of file ast_expr2f.c.

Referenced by ast_yyget_lloc(), and ast_yyset_lloc().

#define yylval yyg->yylval_r

Definition at line 672 of file ast_expr2f.c.

Referenced by ast_yyget_lval(), and ast_yyset_lval().

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

Definition at line 491 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 2383 of file ast_expr2f.c.

#define yyterminate ( ) return YY_NULL

Definition at line 808 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 346 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 181 of file ast_expr2f.c.

typedef unsigned char YY_CHAR

Definition at line 342 of file ast_expr2f.c.

typedef size_t yy_size_t

Definition at line 208 of file ast_expr2f.c.

typedef int yy_state_type

Definition at line 344 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 567 of file ast_expr2f.c.

             {
   AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
} ;

Function Documentation

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

Evaluate the given expression.

Parameters:

expr	An expression
buf	Result buffer
length	Size of the result buffer, in bytes
chan	Channel to use for evaluating included dialplan functions, if any

Returns:: Length of the result string, in bytes

Definition at line 2406 of file ast_expr2f.c.

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

Referenced by check_pval_item(), and pbx_substitute_variables_helper_full().

{
   struct parse_io io = { .string = expr, .chan = chan };
   int return_value = 0;

   ast_yylex_init(&io.scanner);

   ast_yy_scan_string(expr, io.scanner);

   ast_yyparse ((void *) &io);

   ast_yylex_destroy(io.scanner);

   if (!io.val) {
      if (length > 1) {
         strcpy(buf, "0");
         return_value = 1;
      }
   } else {
      if (io.val->type == AST_EXPR_number) {
         int res_length;

         res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
         return_value = (res_length <= length) ? res_length : length;
      } else {
         if (io.val->u.s)
#if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE)
            strncpy(buf, io.val->u.s, length - 1);
#else /* !STANDALONE && !LOW_MEMORY */
            ast_copy_string(buf, io.val->u.s, length);
#endif /* STANDALONE || LOW_MEMORY */
         else
            buf[0] = 0;
         return_value = strlen(buf);
         free(io.val->u.s);
      }
      free(io.val);
   }
   return return_value;
}

void ast_expr_clear_extra_error_info ( void )

Definition at line 2484 of file ast_expr2f.c.

Referenced by check_pval_item().

{
       extra_error_message_supplied=0;
       extra_error_message[0] = 0;
}

void ast_expr_register_extra_error_info ( char * message )

Definition at line 2478 of file ast_expr2f.c.

Referenced by check_pval_item().

{
       extra_error_message_supplied=1;
       strcpy(extra_error_message, message);
}

int ast_str_expr	(	struct ast_str **	str,
		ssize_t	maxlen,
		struct ast_channel *	chan,
		char *	expr
	)

Evaluate the given expression.

Parameters:

str	Dynamic result buffer
maxlen	<0 if the size of the buffer should remain constant, >0 if the size of the buffer should expand to that many bytes, maximum, or 0 for unlimited expansion of the result buffer
chan	Channel to use for evaluating included dialplan functions, if any
expr	An expression

Returns:: Length of the result string, in bytes

Definition at line 2448 of file ast_expr2f.c.

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

Referenced by ast_str_substitute_variables_full().

{
   struct parse_io io = { .string = expr, .chan = chan };

   ast_yylex_init(&io.scanner);
   ast_yy_scan_string(expr, io.scanner);
   ast_yyparse ((void *) &io);
   ast_yylex_destroy(io.scanner);

   if (!io.val) {
      ast_str_set(str, maxlen, "0");
   } else {
      if (io.val->type == AST_EXPR_number) {
         ast_str_set(str, maxlen, FP___PRINTF, io.val->u.i);
      } else if (io.val->u.s) {
         ast_str_set(str, maxlen, "%s", io.val->u.s);
         free(io.val->u.s);
      }
      free(io.val);
   }
   return ast_str_strlen(*str);
}

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 1807 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().

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
   if ( ! b )
      return;

   b->yy_n_chars = 0;

   /* We always need two end-of-buffer characters.  The first causes
    * a transition to the end-of-buffer state.  The second causes
    * a jam in that state.
    */
   b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
   b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

   b->yy_buf_pos = &b->yy_ch_buf[0];

   b->yy_at_bol = 1;
   b->yy_buffer_status = YY_BUFFER_NEW;

   if ( b == YY_CURRENT_BUFFER )
      ast_yy_load_buffer_state(yyscanner );
}

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 1778 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.

{
   int oerrno = errno;
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

   ast_yy_flush_buffer(b ,yyscanner);

   b->yy_input_file = file;
   b->yy_fill_buffer = 1;

    /* If b is the current buffer, then ast_yy_init_buffer was _probably_
     * called from ast_yyrestart() or through yy_get_next_buffer.
     * In that case, we don't want to reset the lineno or column.
     */
    if (b != YY_CURRENT_BUFFER){
        b->yy_bs_lineno = 1;
        b->yy_bs_column = 0;
    }

        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
    
   errno = oerrno;
}

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 1938 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().

{
   YY_BUFFER_STATE b;
    
   if ( size < 2 ||
        base[size-2] != YY_END_OF_BUFFER_CHAR ||
        base[size-1] != YY_END_OF_BUFFER_CHAR )
      /* They forgot to leave room for the EOB's. */
      return 0;

   b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
   if ( ! b )
      YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" );

   b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
   b->yy_buf_pos = b->yy_ch_buf = base;
   b->yy_is_our_buffer = 0;
   b->yy_input_file = 0;
   b->yy_n_chars = b->yy_buf_size;
   b->yy_is_interactive = 0;
   b->yy_at_bol = 1;
   b->yy_fill_buffer = 0;
   b->yy_buffer_status = YY_BUFFER_NEW;

   ast_yy_switch_to_buffer(b ,yyscanner );

   return b;
}

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:

yybytes	the byte buffer to scan
_yybytes_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 1988 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().

{
   YY_BUFFER_STATE b;
   char *buf;
   yy_size_t n;
   int i;
    
   /* Get memory for full buffer, including space for trailing EOB's. */
   n = _yybytes_len + 2;
   buf = (char *) ast_yyalloc(n ,yyscanner );
   if ( ! buf )
      YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );

   for ( i = 0; i < _yybytes_len; ++i )
      buf[i] = yybytes[i];

   buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;

   b = ast_yy_scan_buffer(buf,n ,yyscanner);
   if ( ! b )
      YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" );

   /* It's okay to grow etc. this buffer, and we should throw it
    * away when we're done.
    */
   b->yy_is_our_buffer = 1;

   return b;
}

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 1975 of file ast_expr2f.c.

References ast_yy_scan_bytes().

Referenced by ast_expr(), and ast_str_expr().

{
    
   return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
}

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 2366 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().

{
   return (void *) malloc( size );
}

static void ast_yyensure_buffer_stack ( yyscan_t yyscanner ) [static]

Definition at line 1888 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().

{
   int num_to_alloc;
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

   if (!yyg->yy_buffer_stack) {

      /* First allocation is just for 2 elements, since we don't know if this
       * scanner will even need a stack. We use 2 instead of 1 to avoid an
       * immediate realloc on the next call.
         */
      num_to_alloc = 1;
      yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc
                        (num_to_alloc * sizeof(struct yy_buffer_state*)
                        , yyscanner);
      if ( ! yyg->yy_buffer_stack )
         YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_buffer_stack()" );
                          
      memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
            
      yyg->yy_buffer_stack_max = num_to_alloc;
      yyg->yy_buffer_stack_top = 0;
      return;
   }

   if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){

      /* Increase the buffer to prepare for a possible push. */
      int grow_size = 8 /* arbitrary grow size */;

      num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
      yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc
                        (yyg->yy_buffer_stack,
                        num_to_alloc * sizeof(struct yy_buffer_state*)
                        , yyscanner);
      if ( ! yyg->yy_buffer_stack )
         YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_buffer_stack()" );

      /* zero only the new slots.*/
      memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
      yyg->yy_buffer_stack_max = num_to_alloc;
   }
}

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

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

Definition at line 2587 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.

{
   struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
   char spacebuf[8000]; /* best safe than sorry */
   int i=0;
   char *s2 = expr2_token_subst(s);
   spacebuf[0] = 0;

   for (i = 0; i < (int)(yytext - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); i++) {
      spacebuf[i] = ' ';
   }
   /* uh... assuming yyg is defined, then I can use the yycolumn macro,
   which is the same thing as... get this:
   yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
   I was tempted to just use yy_buf_pos in the STATE, but..., well:
   a. the yy_buf_pos is the current position in the buffer, which
      may not relate to the entire string/buffer because of the
      buffering.
   b. but, analysis of the situation is that when you use the
      ast_yy_scan_string func, it creates a single buffer the size of
      string, so the two would be the same...
      so, in the end, the yycolumn macro is available, shorter, therefore easier. */

   spacebuf[i++] = '^';
   spacebuf[i] = 0;

#ifdef STANDALONE3
   /* easier to read in the standalone version */
   printf("ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",
         (extra_error_message_supplied ? extra_error_message : ""), s2, parseio->string, spacebuf);
#else
   ast_log(LOG_WARNING,"ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",
         (extra_error_message_supplied ? extra_error_message : ""), s2, parseio->string, spacebuf);
#endif
#ifndef STANDALONE
   ast_log(LOG_WARNING,"If you have questions, please refer to https://wiki.asterisk.org/wiki/display/AST/Channel+Variables\n");
#endif
   free(s2);
   return(0);
}

void ast_yyfree	(	void *	ptr,
		yyscan_t	yyscanner
	)

Definition at line 2398 of file ast_expr2f.c.

References free.

Referenced by ast_yylex_destroy().

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

int ast_yyget_column ( yyscan_t yyscanner )

Get the current column number.

Parameters:

yyscanner The scanner object.

Definition at line 2072 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yycolumn.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    
        if (! YY_CURRENT_BUFFER)
            return 0;
    
    return yycolumn;
}

int ast_yyget_debug ( yyscan_t yyscanner )

Definition at line 2177 of file ast_expr2f.c.

References yy_flex_debug.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yy_flex_debug;
}

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 2050 of file ast_expr2f.c.

References yyextra.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yyextra;
}

FILE * ast_yyget_in ( yyscan_t yyscanner )

Get the input stream.

Parameters:

yyscanner The scanner object.

Definition at line 2085 of file ast_expr2f.c.

References yyin.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yyin;
}

int ast_yyget_leng ( yyscan_t yyscanner )

Get the length of the current token.

Parameters:

yyscanner The scanner object.

Definition at line 2103 of file ast_expr2f.c.

References yyleng.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yyleng;
}

int ast_yyget_lineno ( yyscan_t yyscanner )

Get the current line number.

Parameters:

yyscanner The scanner object.

Definition at line 2059 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yylineno.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    
        if (! YY_CURRENT_BUFFER)
            return 0;
    
    return yylineno;
}

YYLTYPE * ast_yyget_lloc ( yyscan_t yyscanner )

Definition at line 2203 of file ast_expr2f.c.

References yylloc.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yylloc;
}

YYSTYPE * ast_yyget_lval ( yyscan_t yyscanner )

Definition at line 2191 of file ast_expr2f.c.

References yylval.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yylval;
}

FILE * ast_yyget_out ( yyscan_t yyscanner )

Get the output stream.

Parameters:

yyscanner The scanner object.

Definition at line 2094 of file ast_expr2f.c.

References yyout.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yyout;
}

char * ast_yyget_text ( yyscan_t yyscanner )

Get the current token.

Parameters:

yyscanner The scanner object.

Definition at line 2113 of file ast_expr2f.c.

References yytext.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    return yytext;
}

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

int ast_yylex_destroy ( yyscan_t yyscanner )

Definition at line 2313 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(), and ast_str_expr().

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

    /* Pop the buffer stack, destroying each element. */
   while(YY_CURRENT_BUFFER){
      ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
      YY_CURRENT_BUFFER_LVALUE = NULL;
      ast_yypop_buffer_state(yyscanner);
   }

   /* Destroy the stack itself. */
   ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
   yyg->yy_buffer_stack = NULL;

    /* Destroy the start condition stack. */
        ast_yyfree(yyg->yy_start_stack ,yyscanner );
        yyg->yy_start_stack = NULL;

    /* Reset the globals. This is important in a non-reentrant scanner so the next time
     * ast_yylex() is called, initialization will occur. */
    yy_init_globals( yyscanner);

    /* Destroy the main struct (reentrant only). */
    ast_yyfree ( yyscanner , yyscanner );
    yyscanner = NULL;
    return 0;
}

int ast_yylex_init ( yyscan_t * scanner )

Definition at line 2222 of file ast_expr2f.c.

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

Referenced by ast_expr(), and ast_str_expr().

{
    if (ptr_yy_globals == NULL){
        errno = EINVAL;
        return 1;
    }

    *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );

    if (*ptr_yy_globals == NULL){
        errno = ENOMEM;
        return 1;
    }

    /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
    memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));

    return yy_init_globals ( *ptr_yy_globals );
}

int ast_yylex_init_extra	(	YY_EXTRA_TYPE	user_defined,
		yyscan_t *	scanner
	)

Definition at line 2251 of file ast_expr2f.c.

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

{
    struct yyguts_t dummy_yyguts;

    ast_yyset_extra (yy_user_defined, &dummy_yyguts);

    if (ptr_yy_globals == NULL){
        errno = EINVAL;
        return 1;
    }
   
    *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
   
    if (*ptr_yy_globals == NULL){
        errno = ENOMEM;
        return 1;
    }
    
    /* By setting to 0xAA, we expose bugs in
    yy_init_globals. Leave at 0x00 for releases. */
    memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
    
    ast_yyset_extra (yy_user_defined, *ptr_yy_globals);
    
    return yy_init_globals ( *ptr_yy_globals );
}

int ast_yyparse ( void * )

Referenced by ast_expr(), and ast_str_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 1868 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().

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
   if (!YY_CURRENT_BUFFER)
      return;

   ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
   YY_CURRENT_BUFFER_LVALUE = NULL;
   if (yyg->yy_buffer_stack_top > 0)
      --yyg->yy_buffer_stack_top;

   if (YY_CURRENT_BUFFER) {
      ast_yy_load_buffer_state(yyscanner );
      yyg->yy_did_buffer_switch_on_eof = 1;
   }
}

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 1837 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.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
   if (new_buffer == NULL)
      return;

   ast_yyensure_buffer_stack(yyscanner);

   /* This block is copied from ast_yy_switch_to_buffer. */
   if ( YY_CURRENT_BUFFER )
      {
      /* Flush out information for old buffer. */
      *yyg->yy_c_buf_p = yyg->yy_hold_char;
      YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
      YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
      }

   /* Only push if top exists. Otherwise, replace top. */
   if (YY_CURRENT_BUFFER)
      yyg->yy_buffer_stack_top++;
   YY_CURRENT_BUFFER_LVALUE = new_buffer;

   /* copied from ast_yy_switch_to_buffer. */
   ast_yy_load_buffer_state(yyscanner );
   yyg->yy_did_buffer_switch_on_eof = 1;
}

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

Definition at line 2371 of file ast_expr2f.c.

References realloc.

Referenced by ast_yyensure_buffer_stack().

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

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 2148 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yycolumn.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

        /* column is only valid if an input buffer exists. */
        if (! YY_CURRENT_BUFFER )
           yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner); 
    
    yycolumn = column_no;
}

void ast_yyset_debug	(	int	debug_flag,
		yyscan_t	yyscanner
	)

Definition at line 2183 of file ast_expr2f.c.

References yy_flex_debug.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    yy_flex_debug = bdebug ;
}

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 2123 of file ast_expr2f.c.

References yyextra.

Referenced by ast_yylex_init_extra().

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    yyextra = user_defined ;
}

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 2165 of file ast_expr2f.c.

References yyin.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    yyin = in_str ;
}

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 2133 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yylineno.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

        /* lineno is only valid if an input buffer exists. */
        if (! YY_CURRENT_BUFFER )
           yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner); 
    
    yylineno = line_number;
}

void ast_yyset_lloc	(	YYLTYPE *	yylloc_param,
		yyscan_t	yyscanner
	)

Definition at line 2209 of file ast_expr2f.c.

References yylloc.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    yylloc = yylloc_param;
}

void ast_yyset_lval	(	YYSTYPE *	yylval_param,
		yyscan_t	yyscanner
	)

Definition at line 2197 of file ast_expr2f.c.

References yylval.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    yylval = yylval_param;
}

void ast_yyset_out	(	FILE *	out_str,
		yyscan_t	yyscanner
	)

Definition at line 2171 of file ast_expr2f.c.

References yyout.

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    yyout = out_str ;
}

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

Definition at line 2543 of file ast_expr2f.c.

References expr2_token_equivs1, len(), and malloc.

Referenced by ast_yyerror().

{
   /* calc a length, malloc, fill, and return; yyerror had better free it! */
   int len=0,i;
   const char *p;
   char *res, *s;
   const char *t;
   int expr2_token_equivs_entries = sizeof(expr2_token_equivs1)/sizeof(char*);

   for (p=mess; *p; p++) {
      for (i=0; i<expr2_token_equivs_entries; i++) {
         if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 )
         {
            len+=strlen(expr2_token_equivs2[i])+2;
            p += strlen(expr2_token_equivs1[i])-1;
            break;
         }
      }
      len++;
   }
   res = (char*)malloc(len+1);
   res[0] = 0;
   s = res;
   for (p=mess; *p;) {
      int found = 0;
      for (i=0; i<expr2_token_equivs_entries; i++) {
         if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 ) {
            *s++ = '\'';
            for (t=expr2_token_equivs2[i]; *t;) {
               *s++ = *t++;
            }
            *s++ = '\'';
            p += strlen(expr2_token_equivs1[i]);
            found = 1;
            break;
         }
      }
      if( !found )
         *s++ = *p++;
   }
   *s++ = 0;
   return res;
}

static int input ( yyscan_t yyscanner ) [static]

Referenced by eivr_comm(), get_calleridname(), and strip_control_and_high().

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

Referenced by ast_yyset_column(), and ast_yyset_lineno().

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

Definition at line 2022 of file ast_expr2f.c.

References YY_EXIT_FAILURE.

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

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 2279 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().

{
    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
    /* Initialization is the same as for the non-reentrant scanner.
     * This function is called from ast_yylex_destroy(), so don't allocate here.
     */

    yyg->yy_buffer_stack = 0;
    yyg->yy_buffer_stack_top = 0;
    yyg->yy_buffer_stack_max = 0;
    yyg->yy_c_buf_p = (char *) 0;
    yyg->yy_init = 0;
    yyg->yy_start = 0;

    yyg->yy_start_stack_ptr = 0;
    yyg->yy_start_stack_depth = 0;
    yyg->yy_start_stack =  NULL;

/* Defined in main.c */
#ifdef YY_STDINIT
    yyin = stdin;
    yyout = stdout;
#else
    yyin = (FILE *) 0;
    yyout = (FILE *) 0;
#endif

    /* For future reference: Set errno on error, since we are called by
     * ast_yylex_init()
     */
    return 0;
}