Wed Aug 18 22:34:04 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>

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   fwrite( yytext, yyleng, 1, yyout )
#define EOB_ACT_CONTINUE_SCAN   0
#define EOB_ACT_END_OF_FILE   1
#define EOB_ACT_LAST_MATCH   2
#define FLEX_BETA
#define FLEX_SCANNER
#define FP___FMOD   fmod
#define FP___PRINTF   "%.16g"
#define FP___STRTOD   strtod
#define FP___TYPE   double
#define fwrite(a, b, c, d)   do { int __res = fwrite(a,b,c,d); (__res); } while (0)
#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   34
#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 yy_buffer_stateYY_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 }

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)
YYLTYPEast_yyget_lloc (yyscan_t yyscanner)
YYSTYPEast_yyget_lval (yyscan_t yyscanner)
FILE * ast_yyget_out (yyscan_t yyscanner)
char * ast_yyget_text (yyscan_t yyscanner)
int ast_yylex (YYSTYPE *yylval_param, YYLTYPE *yylloc_param, yyscan_t yyscanner)
int ast_yylex_destroy (yyscan_t yyscanner)
int ast_yylex_init (yyscan_t *scanner)
int ast_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 (  )     1

Definition at line 337 of file ast_expr2f.c.

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

Definition at line 144 of file ast_expr2f.c.

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

Definition at line 757 of file ast_expr2f.c.

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

#define EOB_ACT_CONTINUE_SCAN   0

Definition at line 175 of file ast_expr2f.c.

#define EOB_ACT_END_OF_FILE   1

Definition at line 176 of file ast_expr2f.c.

#define EOB_ACT_LAST_MATCH   2

Definition at line 177 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 535 of file ast_expr2f.c.

#define FP___PRINTF   "%.16g"

Definition at line 534 of file ast_expr2f.c.

#define FP___STRTOD   strtod

Definition at line 536 of file ast_expr2f.c.

#define FP___TYPE   double

Definition at line 537 of file ast_expr2f.c.

#define fwrite ( a,
b,
c,
 )     do { int __res = fwrite(a,b,c,d); (__res); } while (0)

Note:
The latest Flex uses fwrite without checking its return value, which is a warning on some compilers. Therefore, we use this workaround, to trick the compiler into suppressing this warning.

Definition at line 563 of file ast_expr2f.c.

Referenced by ast_careful_fwrite(), g723_write(), g726_write(), g729_write(), gsm_seek(), gsm_write(), h263_write(), h264_write(), httpd_helper_thread(), ilbc_write(), ogg_vorbis_rewrite(), pcm_seek(), pcm_write(), phoneprov_callback(), slinear_write(), static_callback(), update_header(), usbradio_read(), usbradio_write(), vox_write(), wav_close(), wav_seek(), wav_write(), write_entry_history(), write_header(), write_history(), and write_stream().

#define INITIAL   0

Definition at line 612 of file ast_expr2f.c.

#define INT16_MAX   (32767)

Definition at line 75 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT16_MIN   (-32767-1)

Definition at line 66 of file ast_expr2f.c.

Referenced by fsaturate().

#define INT32_MAX   (2147483647)

Definition at line 78 of file ast_expr2f.c.

#define INT32_MIN   (-2147483647-1)

Definition at line 69 of file ast_expr2f.c.

#define INT8_MAX   (127)

Definition at line 72 of file ast_expr2f.c.

#define INT8_MIN   (-128)

Definition at line 63 of file ast_expr2f.c.

#define REJECT   reject_used_but_not_detected

Definition at line 488 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 579 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 591 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 585 of file ast_expr2f.c.

#define trail   2

Definition at line 614 of file ast_expr2f.c.

#define UINT16_MAX   (65535U)

Definition at line 84 of file ast_expr2f.c.

#define UINT32_MAX   (4294967295U)

Definition at line 87 of file ast_expr2f.c.

#define UINT8_MAX   (255U)

Definition at line 81 of file ast_expr2f.c.

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

Definition at line 195 of file ast_expr2f.c.

#define var   1

Definition at line 613 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_create_client(), aji_load_config(), append_mailbox_mapping(), apply_general_options(), apply_options(), apply_options_full(), apply_outgoing(), ast_cdr_copy_vars(), ast_cdr_serialize_variables(), ast_channeltype_list(), ast_iax2_new(), ast_var_assign(), ast_var_delete(), ast_var_full_name(), ast_var_name(), ast_var_value(), astman_get_variables(), authenticate_reply(), build_extension(), build_parkinglot(), build_profile(), clearvar_prefix(), cli_realtime_load(), conf_exec(), conf_run(), config_module(), config_text_file_save(), console_cmd(), copy_plain_file(), create_vmaccount(), delete_extension(), do_timelimit(), find_conf(), find_conf_realtime(), find_user_realtime(), function_realtime_read(), function_realtime_readdestroy(), get_insecure_variable_from_config(), get_name_from_variable(), global_read(), gtalk_create_member(), gtalk_load_config(), handle_updates(), handle_uri(), http_post_callback(), iax2_call(), iax_parse_ies(), inherit_category(), init_logger_chain(), jingle_create_member(), jingle_load_config(), ldap_loadentry(), ldap_table_config_add_attribute(), leave_queue(), load_config(), load_moh_classes(), local_ast_moh_start(), message_template_build(), 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(), semicolon_count_var(), set_config(), set_timezone_variables(), shared_read(), shared_variable_free(), shared_write(), show_users_realtime(), sla_add_trunk_to_station(), sla_build_station(), sla_build_trunk(), socket_process(), transmit_invite(), transmit_notify_custom(), unload_module(), variable_named(), vm_change_password(), and xml_translate().

 
#define YY_AT_BOL (  )     (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 333 of file ast_expr2f.c.

#define YY_BREAK   break;

Definition at line 838 of file ast_expr2f.c.

#define YY_BUF_SIZE   16384

Definition at line 163 of file ast_expr2f.c.

#define YY_BUFFER_EOF_PENDING   2

Definition at line 269 of file ast_expr2f.c.

#define YY_BUFFER_NEW   0

Definition at line 257 of file ast_expr2f.c.

Referenced by ast_yy_flush_buffer(), and ast_yy_scan_buffer().

#define YY_BUFFER_NORMAL   1

Definition at line 258 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 280 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 287 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 825 of file ast_expr2f.c.

#define YY_DECL_IS_OURS   1

Definition at line 820 of file ast_expr2f.c.

#define YY_DO_BEFORE_ACTION

Definition at line 354 of file ast_expr2f.c.

#define YY_END_OF_BUFFER   39

Definition at line 363 of file ast_expr2f.c.

#define YY_END_OF_BUFFER_CHAR   0

Definition at line 159 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 2012 of file ast_expr2f.c.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE   void *

Definition at line 625 of file ast_expr2f.c.

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

Definition at line 811 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 138 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   34

Definition at line 14 of file ast_expr2f.c.

#define YY_FLUSH_BUFFER   ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

Definition at line 301 of file ast_expr2f.c.

#define YY_INPUT ( buf,
result,
max_size   ) 

Definition at line 764 of file ast_expr2f.c.

#define YY_INT_ALIGNED   short int

Definition at line 7 of file ast_expr2f.c.

#define YY_LESS_LINENO (  ) 

Definition at line 179 of file ast_expr2f.c.

#define YY_MORE_ADJ   yyg->yy_more_len

Definition at line 490 of file ast_expr2f.c.

#define yy_new_buffer   ast_yy_create_buffer

Definition at line 311 of file ast_expr2f.c.

#define YY_NEW_FILE   ast_yyrestart(yyin ,yyscanner )

Definition at line 157 of file ast_expr2f.c.

#define YY_NULL   0

Definition at line 114 of file ast_expr2f.c.

#define YY_NUM_RULES   38

Definition at line 362 of file ast_expr2f.c.

#define YY_READ_BUF_SIZE   8192

Definition at line 749 of file ast_expr2f.c.

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 491 of file ast_expr2f.c.

#define YY_RULE_SETUP   YY_USER_ACTION

Definition at line 841 of file ast_expr2f.c.

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

Definition at line 121 of file ast_expr2f.c.

#define yy_set_bol ( at_bol   ) 

Definition at line 323 of file ast_expr2f.c.

#define yy_set_interactive ( is_interactive   ) 

Definition at line 313 of file ast_expr2f.c.

#define YY_SKIP_YYWRAP

Definition at line 338 of file ast_expr2f.c.

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

Definition at line 150 of file ast_expr2f.c.

#define YY_START_STACK_INCR   25

Definition at line 806 of file ast_expr2f.c.

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

Definition at line 168 of file ast_expr2f.c.

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

Definition at line 154 of file ast_expr2f.c.

#define yycolumn   (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

Definition at line 137 of file ast_expr2f.c.

Referenced by ast_yyget_column(), and ast_yyset_column().

#define yyconst

Definition at line 110 of file ast_expr2f.c.

#define yyextra   yyg->yyextra_r

Definition at line 133 of file ast_expr2f.c.

Referenced by ast_yyget_extra(), and ast_yyset_extra().

#define yyin   yyg->yyin_r

Definition at line 131 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 134 of file ast_expr2f.c.

Referenced by ast_yyget_leng().

#define yyless (  ) 

Definition at line 2024 of file ast_expr2f.c.

#define yyless (  ) 

Definition at line 2024 of file ast_expr2f.c.

#define yylineno   (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

Definition at line 136 of file ast_expr2f.c.

Referenced by ast_yyget_lineno(), and ast_yyset_lineno().

#define yylloc   yyg->yylloc_r

Definition at line 672 of file ast_expr2f.c.

#define yylval   yyg->yylval_r

Definition at line 670 of file ast_expr2f.c.

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

Definition at line 489 of file ast_expr2f.c.

#define yyout   yyg->yyout_r

Definition at line 132 of file ast_expr2f.c.

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

#define YYSTATE   YY_START

Definition at line 151 of file ast_expr2f.c.

#define YYTABLES_NAME   "yytables"

Definition at line 2376 of file ast_expr2f.c.

 
#define yyterminate (  )     return YY_NULL

Definition at line 801 of file ast_expr2f.c.

#define yytext   yyg->yytext_r

Definition at line 135 of file ast_expr2f.c.

Referenced by ast_yyerror(), and ast_yyget_text().

#define yytext_ptr   yytext_r

Definition at line 344 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 172 of file ast_expr2f.c.

typedef unsigned char YY_CHAR

Definition at line 340 of file ast_expr2f.c.

typedef size_t yy_size_t

Definition at line 206 of file ast_expr2f.c.

typedef int yy_state_type

Definition at line 342 of file ast_expr2f.c.

typedef void* yyscan_t

Definition at line 126 of file ast_expr2f.c.


Enumeration Type Documentation

enum valtype

Enumerator:
AST_EXPR_number 
AST_EXPR_numeric_string 
AST_EXPR_string 

Definition at line 565 of file ast_expr2f.c.


Function Documentation

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

Definition at line 2399 of file ast_expr2f.c.

References ast_copy_string(), AST_EXPR_number, ast_yy_scan_string(), ast_yylex_destroy(), ast_yylex_init(), ast_yyparse(), chan, FP___PRINTF, free, and io.

Referenced by pbx_substitute_variables_helper_full().

02400 {
02401    struct parse_io io;
02402    int return_value = 0;
02403    
02404    memset(&io, 0, sizeof(io));
02405    io.string = expr;  /* to pass to the error routine */
02406    io.chan = chan;
02407    
02408    ast_yylex_init(&io.scanner);
02409    
02410    ast_yy_scan_string(expr, io.scanner);
02411    
02412    ast_yyparse ((void *) &io);
02413 
02414    ast_yylex_destroy(io.scanner);
02415 
02416    if (!io.val) {
02417       if (length > 1) {
02418          strcpy(buf, "0");
02419          return_value = 1;
02420       }
02421    } else {
02422       if (io.val->type == AST_EXPR_number) {
02423          int res_length;
02424 
02425          res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
02426          return_value = (res_length <= length) ? res_length : length;
02427       } else {
02428          if (io.val->u.s)
02429 #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE)
02430             strncpy(buf, io.val->u.s, length - 1);
02431 #else /* !STANDALONE && !LOW_MEMORY */
02432             ast_copy_string(buf, io.val->u.s, length);
02433 #endif /* STANDALONE || LOW_MEMORY */
02434          else
02435             buf[0] = 0;
02436          return_value = strlen(buf);
02437          free(io.val->u.s);
02438       }
02439       free(io.val);
02440    }
02441    return return_value;
02442 }

void ast_expr_clear_extra_error_info ( void   ) 

Definition at line 2456 of file ast_expr2f.c.

02457 {
02458        extra_error_message_supplied=0;
02459        extra_error_message[0] = 0;
02460 }

void ast_expr_register_extra_error_info ( char *  message  ) 

Definition at line 2450 of file ast_expr2f.c.

02451 {
02452        extra_error_message_supplied=1;
02453        strcpy(extra_error_message, message);
02454 }

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 1800 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().

01801 {
01802     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01803    if ( ! b )
01804       return;
01805 
01806    b->yy_n_chars = 0;
01807 
01808    /* We always need two end-of-buffer characters.  The first causes
01809     * a transition to the end-of-buffer state.  The second causes
01810     * a jam in that state.
01811     */
01812    b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
01813    b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
01814 
01815    b->yy_buf_pos = &b->yy_ch_buf[0];
01816 
01817    b->yy_at_bol = 1;
01818    b->yy_buffer_status = YY_BUFFER_NEW;
01819 
01820    if ( b == YY_CURRENT_BUFFER )
01821       ast_yy_load_buffer_state(yyscanner );
01822 }

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 1771 of file ast_expr2f.c.

References ast_yy_flush_buffer(), errno, and YY_CURRENT_BUFFER.

01773 {
01774    int oerrno = errno;
01775     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01776 
01777    ast_yy_flush_buffer(b ,yyscanner);
01778 
01779    b->yy_input_file = file;
01780    b->yy_fill_buffer = 1;
01781 
01782     /* If b is the current buffer, then ast_yy_init_buffer was _probably_
01783      * called from ast_yyrestart() or through yy_get_next_buffer.
01784      * In that case, we don't want to reset the lineno or column.
01785      */
01786     if (b != YY_CURRENT_BUFFER){
01787         b->yy_bs_lineno = 1;
01788         b->yy_bs_column = 0;
01789     }
01790 
01791         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
01792     
01793    errno = oerrno;
01794 }

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 1931 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().

01932 {
01933    YY_BUFFER_STATE b;
01934     
01935    if ( size < 2 ||
01936         base[size-2] != YY_END_OF_BUFFER_CHAR ||
01937         base[size-1] != YY_END_OF_BUFFER_CHAR )
01938       /* They forgot to leave room for the EOB's. */
01939       return 0;
01940 
01941    b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
01942    if ( ! b )
01943       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_buffer()" );
01944 
01945    b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
01946    b->yy_buf_pos = b->yy_ch_buf = base;
01947    b->yy_is_our_buffer = 0;
01948    b->yy_input_file = 0;
01949    b->yy_n_chars = b->yy_buf_size;
01950    b->yy_is_interactive = 0;
01951    b->yy_at_bol = 1;
01952    b->yy_fill_buffer = 0;
01953    b->yy_buffer_status = YY_BUFFER_NEW;
01954 
01955    ast_yy_switch_to_buffer(b ,yyscanner );
01956 
01957    return b;
01958 }

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 1981 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().

01982 {
01983    YY_BUFFER_STATE b;
01984    char *buf;
01985    yy_size_t n;
01986    int i;
01987     
01988    /* Get memory for full buffer, including space for trailing EOB's. */
01989    n = _yybytes_len + 2;
01990    buf = (char *) ast_yyalloc(n ,yyscanner );
01991    if ( ! buf )
01992       YY_FATAL_ERROR( "out of dynamic memory in ast_yy_scan_bytes()" );
01993 
01994    for ( i = 0; i < _yybytes_len; ++i )
01995       buf[i] = yybytes[i];
01996 
01997    buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
01998 
01999    b = ast_yy_scan_buffer(buf,n ,yyscanner);
02000    if ( ! b )
02001       YY_FATAL_ERROR( "bad buffer in ast_yy_scan_bytes()" );
02002 
02003    /* It's okay to grow etc. this buffer, and we should throw it
02004     * away when we're done.
02005     */
02006    b->yy_is_our_buffer = 1;
02007 
02008    return b;
02009 }

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 1968 of file ast_expr2f.c.

References ast_yy_scan_bytes().

Referenced by ast_expr().

01969 {
01970     
01971    return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
01972 }

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  ,
yyscan_t  yyscanner 
)

Definition at line 2359 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().

02360 {
02361    return (void *) malloc( size );
02362 }

static void ast_yyensure_buffer_stack ( yyscan_t  yyscanner  )  [static]

Definition at line 1881 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().

01882 {
01883    int num_to_alloc;
01884     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01885 
01886    if (!yyg->yy_buffer_stack) {
01887 
01888       /* First allocation is just for 2 elements, since we don't know if this
01889        * scanner will even need a stack. We use 2 instead of 1 to avoid an
01890        * immediate realloc on the next call.
01891          */
01892       num_to_alloc = 1;
01893       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyalloc
01894                         (num_to_alloc * sizeof(struct yy_buffer_state*)
01895                         , yyscanner);
01896       if ( ! yyg->yy_buffer_stack )
01897          YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_buffer_stack()" );
01898                           
01899       memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
01900             
01901       yyg->yy_buffer_stack_max = num_to_alloc;
01902       yyg->yy_buffer_stack_top = 0;
01903       return;
01904    }
01905 
01906    if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
01907 
01908       /* Increase the buffer to prepare for a possible push. */
01909       int grow_size = 8 /* arbitrary grow size */;
01910 
01911       num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
01912       yyg->yy_buffer_stack = (struct yy_buffer_state**)ast_yyrealloc
01913                         (yyg->yy_buffer_stack,
01914                         num_to_alloc * sizeof(struct yy_buffer_state*)
01915                         , yyscanner);
01916       if ( ! yyg->yy_buffer_stack )
01917          YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_buffer_stack()" );
01918 
01919       /* zero only the new slots.*/
01920       memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
01921       yyg->yy_buffer_stack_max = num_to_alloc;
01922    }
01923 }

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

Definition at line 2558 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.

02559 {  
02560    struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
02561    char spacebuf[8000]; /* best safe than sorry */
02562    char spacebuf2[8000]; /* best safe than sorry */
02563    int i=0;
02564    char *s2 = expr2_token_subst(s);
02565    spacebuf[0] = 0;
02566    
02567    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,
02568                                                                         which is the same thing as... get this:
02569                                        yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
02570                                        I was tempted to just use yy_buf_pos in the STATE, but..., well:
02571                                           a. the yy_buf_pos is the current position in the buffer, which
02572                                              may not relate to the entire string/buffer because of the
02573                                              buffering.
02574                                           b. but, analysis of the situation is that when you use the
02575                                              ast_yy_scan_string func, it creates a single buffer the size of
02576                                              string, so the two would be the same... 
02577                                        so, in the end, the yycolumn macro is available, shorter, therefore easier. */
02578    spacebuf2[i++]='^';
02579    spacebuf2[i]= 0;
02580 
02581 #ifdef STANDALONE3
02582    /* easier to read in the standalone version */
02583    printf("ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",  
02584          (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
02585 #else
02586    ast_log(LOG_WARNING,"ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",  
02587          (extra_error_message_supplied?extra_error_message:""), s2, parseio->string,spacebuf2);
02588 #endif
02589 #ifndef STANDALONE
02590    ast_log(LOG_WARNING,"If you have questions, please refer to doc/tex/channelvariables.tex.\n");
02591 #endif
02592    free(s2);
02593    return(0);
02594 }

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

void ast_yyfree ( void *  ,
yyscan_t  yyscanner 
)

Definition at line 2391 of file ast_expr2f.c.

References free.

Referenced by ast_yylex_destroy().

02392 {
02393     /* the normal generated ast_yyfree func just frees its first arg;
02394      this get complaints on some systems, as sometimes this
02395      arg is a nil ptr! It's usually not fatal, but is irritating! */
02396    free( (char *) ptr );
02397 }

int ast_yyget_column ( yyscan_t  yyscanner  ) 

Get the current column number.

Parameters:
yyscanner The scanner object.

Definition at line 2065 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yycolumn.

02066 {
02067     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02068     
02069         if (! YY_CURRENT_BUFFER)
02070             return 0;
02071     
02072     return yycolumn;
02073 }

int ast_yyget_debug ( yyscan_t  yyscanner  ) 

Definition at line 2170 of file ast_expr2f.c.

References yy_flex_debug.

02171 {
02172     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02173     return yy_flex_debug;
02174 }

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 2043 of file ast_expr2f.c.

References yyextra.

02044 {
02045     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02046     return yyextra;
02047 }

FILE * ast_yyget_in ( yyscan_t  yyscanner  ) 

Get the input stream.

Parameters:
yyscanner The scanner object.

Definition at line 2078 of file ast_expr2f.c.

References yyin.

02079 {
02080     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02081     return yyin;
02082 }

int ast_yyget_leng ( yyscan_t  yyscanner  ) 

Get the length of the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2096 of file ast_expr2f.c.

References yyleng.

02097 {
02098     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02099     return yyleng;
02100 }

int ast_yyget_lineno ( yyscan_t  yyscanner  ) 

Get the current line number.

Parameters:
yyscanner The scanner object.

Definition at line 2052 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, and yylineno.

02053 {
02054     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02055     
02056         if (! YY_CURRENT_BUFFER)
02057             return 0;
02058     
02059     return yylineno;
02060 }

YYLTYPE * ast_yyget_lloc ( yyscan_t  yyscanner  ) 

Definition at line 2196 of file ast_expr2f.c.

References yylloc.

02197 {
02198     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02199     return yylloc;
02200 }

YYSTYPE * ast_yyget_lval ( yyscan_t  yyscanner  ) 

Definition at line 2184 of file ast_expr2f.c.

References yylval.

02185 {
02186     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02187     return yylval;
02188 }

FILE * ast_yyget_out ( yyscan_t  yyscanner  ) 

Get the output stream.

Parameters:
yyscanner The scanner object.

Definition at line 2087 of file ast_expr2f.c.

References yyout.

02088 {
02089     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02090     return yyout;
02091 }

char * ast_yyget_text ( yyscan_t  yyscanner  ) 

Get the current token.

Parameters:
yyscanner The scanner object.

Definition at line 2106 of file ast_expr2f.c.

References yytext.

02107 {
02108     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02109     return yytext;
02110 }

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

int ast_yylex_destroy ( yyscan_t  yyscanner  ) 

Definition at line 2306 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().

02307 {
02308     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02309 
02310     /* Pop the buffer stack, destroying each element. */
02311    while(YY_CURRENT_BUFFER){
02312       ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
02313       YY_CURRENT_BUFFER_LVALUE = NULL;
02314       ast_yypop_buffer_state(yyscanner);
02315    }
02316 
02317    /* Destroy the stack itself. */
02318    ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
02319    yyg->yy_buffer_stack = NULL;
02320 
02321     /* Destroy the start condition stack. */
02322         ast_yyfree(yyg->yy_start_stack ,yyscanner );
02323         yyg->yy_start_stack = NULL;
02324 
02325     /* Reset the globals. This is important in a non-reentrant scanner so the next time
02326      * ast_yylex() is called, initialization will occur. */
02327     yy_init_globals( yyscanner);
02328 
02329     /* Destroy the main struct (reentrant only). */
02330     ast_yyfree ( yyscanner , yyscanner );
02331     yyscanner = NULL;
02332     return 0;
02333 }

int ast_yylex_init ( yyscan_t scanner  ) 

Definition at line 2215 of file ast_expr2f.c.

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

Referenced by ast_expr().

02217 {
02218     if (ptr_yy_globals == NULL){
02219         errno = EINVAL;
02220         return 1;
02221     }
02222 
02223     *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), NULL );
02224 
02225     if (*ptr_yy_globals == NULL){
02226         errno = ENOMEM;
02227         return 1;
02228     }
02229 
02230     /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
02231     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
02232 
02233     return yy_init_globals ( *ptr_yy_globals );
02234 }

int ast_yylex_init_extra ( YY_EXTRA_TYPE  user_defined,
yyscan_t scanner 
)

Definition at line 2244 of file ast_expr2f.c.

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

02246 {
02247     struct yyguts_t dummy_yyguts;
02248 
02249     ast_yyset_extra (yy_user_defined, &dummy_yyguts);
02250 
02251     if (ptr_yy_globals == NULL){
02252         errno = EINVAL;
02253         return 1;
02254     }
02255    
02256     *ptr_yy_globals = (yyscan_t) ast_yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
02257    
02258     if (*ptr_yy_globals == NULL){
02259         errno = ENOMEM;
02260         return 1;
02261     }
02262     
02263     /* By setting to 0xAA, we expose bugs in
02264     yy_init_globals. Leave at 0x00 for releases. */
02265     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
02266     
02267     ast_yyset_extra (yy_user_defined, *ptr_yy_globals);
02268     
02269     return yy_init_globals ( *ptr_yy_globals );
02270 }

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 1861 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().

01862 {
01863     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01864    if (!YY_CURRENT_BUFFER)
01865       return;
01866 
01867    ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
01868    YY_CURRENT_BUFFER_LVALUE = NULL;
01869    if (yyg->yy_buffer_stack_top > 0)
01870       --yyg->yy_buffer_stack_top;
01871 
01872    if (YY_CURRENT_BUFFER) {
01873       ast_yy_load_buffer_state(yyscanner );
01874       yyg->yy_did_buffer_switch_on_eof = 1;
01875    }
01876 }

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 1830 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.

01831 {
01832     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
01833    if (new_buffer == NULL)
01834       return;
01835 
01836    ast_yyensure_buffer_stack(yyscanner);
01837 
01838    /* This block is copied from ast_yy_switch_to_buffer. */
01839    if ( YY_CURRENT_BUFFER )
01840       {
01841       /* Flush out information for old buffer. */
01842       *yyg->yy_c_buf_p = yyg->yy_hold_char;
01843       YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
01844       YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
01845       }
01846 
01847    /* Only push if top exists. Otherwise, replace top. */
01848    if (YY_CURRENT_BUFFER)
01849       yyg->yy_buffer_stack_top++;
01850    YY_CURRENT_BUFFER_LVALUE = new_buffer;
01851 
01852    /* copied from ast_yy_switch_to_buffer. */
01853    ast_yy_load_buffer_state(yyscanner );
01854    yyg->yy_did_buffer_switch_on_eof = 1;
01855 }

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

Definition at line 2364 of file ast_expr2f.c.

References realloc.

Referenced by ast_yyensure_buffer_stack().

02365 {
02366    /* The cast to (char *) in the following accommodates both
02367     * implementations that use char* generic pointers, and those
02368     * that use void* generic pointers.  It works with the latter
02369     * because both ANSI C and C++ allow castless assignment from
02370     * any pointer type to void*, and deal with argument conversions
02371     * as though doing an assignment.
02372     */
02373    return (void *) realloc( (char *) ptr, size );
02374 }

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 2141 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yycolumn.

02142 {
02143     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02144 
02145         /* column is only valid if an input buffer exists. */
02146         if (! YY_CURRENT_BUFFER )
02147            yy_fatal_error( "ast_yyset_column called with no buffer" , yyscanner); 
02148     
02149     yycolumn = column_no;
02150 }

void ast_yyset_debug ( int  debug_flag,
yyscan_t  yyscanner 
)

Definition at line 2176 of file ast_expr2f.c.

References yy_flex_debug.

02177 {
02178     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02179     yy_flex_debug = bdebug ;
02180 }

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 2116 of file ast_expr2f.c.

References yyextra.

Referenced by ast_yylex_init_extra().

02117 {
02118     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02119     yyextra = user_defined ;
02120 }

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 2158 of file ast_expr2f.c.

References yyin.

02159 {
02160     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02161     yyin = in_str ;
02162 }

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 2126 of file ast_expr2f.c.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yylineno.

02127 {
02128     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02129 
02130         /* lineno is only valid if an input buffer exists. */
02131         if (! YY_CURRENT_BUFFER )
02132            yy_fatal_error( "ast_yyset_lineno called with no buffer" , yyscanner); 
02133     
02134     yylineno = line_number;
02135 }

void ast_yyset_lloc ( YYLTYPE yylloc_param,
yyscan_t  yyscanner 
)

Definition at line 2202 of file ast_expr2f.c.

References yylloc.

02203 {
02204     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02205     yylloc = yylloc_param;
02206 }

void ast_yyset_lval ( YYSTYPE yylval_param,
yyscan_t  yyscanner 
)

Definition at line 2190 of file ast_expr2f.c.

References yylval.

02191 {
02192     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02193     yylval = yylval_param;
02194 }

void ast_yyset_out ( FILE *  out_str,
yyscan_t  yyscanner 
)

Definition at line 2164 of file ast_expr2f.c.

References yyout.

02165 {
02166     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02167     yyout = out_str ;
02168 }

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

Definition at line 2515 of file ast_expr2f.c.

References len(), and malloc.

Referenced by ast_yyerror().

02516 {
02517    /* calc a length, malloc, fill, and return; yyerror had better free it! */
02518    int len=0,i;
02519    const char *p;
02520    char *res, *s,*t;
02521    int expr2_token_equivs_entries = sizeof(expr2_token_equivs1)/sizeof(char*);
02522 
02523    for (p=mess; *p; p++) {
02524       for (i=0; i<expr2_token_equivs_entries; i++) {
02525          if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 )
02526          {
02527             len+=strlen(expr2_token_equivs2[i])+2;
02528             p += strlen(expr2_token_equivs1[i])-1;
02529             break;
02530          }
02531       }
02532       len++;
02533    }
02534    res = (char*)malloc(len+1);
02535    res[0] = 0;
02536    s = res;
02537    for (p=mess; *p;) {
02538       int found = 0;
02539       for (i=0; i<expr2_token_equivs_entries; i++) {
02540          if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 ) {
02541             *s++ = '\'';
02542             for (t=expr2_token_equivs2[i]; *t;) {
02543                *s++ = *t++;
02544             }
02545             *s++ = '\'';
02546             p += strlen(expr2_token_equivs1[i]);
02547             found = 1;
02548             break;
02549          }
02550       }
02551       if( !found )
02552          *s++ = *p++;
02553    }
02554    *s++ = 0;
02555    return res;
02556 }

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 2015 of file ast_expr2f.c.

References YY_EXIT_FAILURE.

02016 {
02017       (void) fprintf( stderr, "%s\n", msg );
02018    exit( YY_EXIT_FAILURE );
02019 }

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 2272 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().

02273 {
02274     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
02275     /* Initialization is the same as for the non-reentrant scanner.
02276      * This function is called from ast_yylex_destroy(), so don't allocate here.
02277      */
02278 
02279     yyg->yy_buffer_stack = 0;
02280     yyg->yy_buffer_stack_top = 0;
02281     yyg->yy_buffer_stack_max = 0;
02282     yyg->yy_c_buf_p = (char *) 0;
02283     yyg->yy_init = 0;
02284     yyg->yy_start = 0;
02285 
02286     yyg->yy_start_stack_ptr = 0;
02287     yyg->yy_start_stack_depth = 0;
02288     yyg->yy_start_stack =  NULL;
02289 
02290 /* Defined in main.c */
02291 #ifdef YY_STDINIT
02292     yyin = stdin;
02293     yyout = stdout;
02294 #else
02295     yyin = (FILE *) 0;
02296     yyout = (FILE *) 0;
02297 #endif
02298 
02299     /* For future reference: Set errno on error, since we are called by
02300      * ast_yylex_init()
02301      */
02302     return 0;
02303 }

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 607 of file ast_expr2f.c.

char* expr2_token_equivs1[] [static]

Definition at line 2462 of file ast_expr2f.c.

char* expr2_token_equivs2[] [static]

Definition at line 2488 of file ast_expr2f.c.

char extra_error_message[4095]

Definition at line 2445 of file ast_expr2f.c.

int extra_error_message_supplied = 0

Definition at line 2446 of file ast_expr2f.c.

yyconst flex_int16_t yy_accept[63] [static]

Definition at line 371 of file ast_expr2f.c.

yyconst flex_int16_t yy_base[70] [static]

Definition at line 421 of file ast_expr2f.c.

yyconst flex_int16_t yy_chk[159] [static]

Definition at line 464 of file ast_expr2f.c.

yyconst flex_int16_t yy_def[70] [static]

Definition at line 432 of file ast_expr2f.c.

yyconst flex_int32_t yy_ec[256] [static]

Definition at line 382 of file ast_expr2f.c.

yyconst flex_int32_t yy_meta[29] [static]

Definition at line 414 of file ast_expr2f.c.

yyconst flex_int16_t yy_nxt[159] [static]

Definition at line 443 of file ast_expr2f.c.


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