Files
openairinterface5g/openair3/UTILS/mme_scanner.l
T
2015-10-06 16:53:42 +00:00

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/* Lex configuration parser.
*
* This file defines the token for parsing the configuration file
*
* Note : This module is NOT thread-safe. All processing must be done from one thread only.
*/
%{
#include <stdio.h>
#include "mme_config.h"
/* Include yacc tokens definitions */
#include "mme_parser.h"
/* Update the column information */
#ifdef DEBUG_LEX
#define YY_USER_ACTION { \
yylloc->first_column = yylloc->last_column + 1; \
yylloc->last_column = yylloc->first_column + yyleng - 1; \
TRACE_DEBUG(FULL, \
"(%d:%d-%d:%d) matched rule %d, length=%d, txt='%s'\n", \
yylloc->first_line, yylloc->first_column, \
yylloc->last_line, yylloc->last_column, \
yy_act, yyleng, yytext); \
}
#else /* DEBUG_LEX */
#define YY_USER_ACTION { \
yylloc->first_column = yylloc->last_column + 1; \
yylloc->last_column = yylloc->first_column + yyleng - 1; \
}
#endif
#define YY_NO_INPUT
%}
%option bison-bridge bison-locations
%option noyywrap
%option nounput
/* Quoted string. Multilines do not match. */
qstring \"[^\"\n]*\"
%%
/* List of patterns and actions */
<*>\n {
/* Update the line count */
yylloc->first_line++;
yylloc->last_line++;
yylloc->last_column=0;
}
<*>([[:space:]]{-}[\n])+ ; /* Eat all spaces, not new lines */
<*>#.*$ ; /* Eat all comments */
{qstring} {
/* First copy the string without the quotes for use in the yacc parser */
if ((yylval->string = strdup(yytext+1)) == NULL) { /* This allocates one useless tail char but... it's easier :D */
return LEX_ERROR;/* on error, trig an error in yacc parser */
}
yylval->string[yyleng-2] = '\0';
/* the yacc parser will check the string is valid */
return QSTRING;
}
[[:digit:]]+ {
/* Convert this to an integer value */
int ret = sscanf(yytext, "%i", &yylval->integer);
if (ret != 1) {
/* No matching: an error occurred */
fprintf(stderr, "Unable to convert the value '%s' to a valid number: %s\n",
yytext, strerror(errno));
return LEX_ERROR; /* trig an error in yacc parser */
/* Maybe we could REJECT instead of failing here? */
}
return INTEGER;
}
/* Full words tokens (keywords) */
(?i:"EMERGENCY_ATTACH_SUPPORTED") { return EMERGENCY_ATTACH_SUPPORTED; }
(?i:"UNAUTHENTICATED_IMSI_SUPPORTED") { return UNAUTHENTICATED_IMSI_SUPPORTED; }
(?i:"MAXENB") { return MAX_ENB; }
(?i:"MAXUE") { return MAX_UE; }
(?i:"S6A_CONF") { return S6A_CONF; }
(?i:"ITTI_QUEUE_SIZE") { return ITTI_QUEUE_SIZE; }
(?i:"SCTP_INSTREAMS") { return SCTP_INSTREAMS; }
(?i:"SCTP_OUTSTREAMS") { return SCTP_OUTSTREAMS; }
(?i:"MME_CODE") { return MME_CODE; }
(?i:"MME_GID") { return MME_GID; }
(?i:"REALM") { return REALM; }
(?i:"PLMN") { return PLMN_Y; }
(?i:"RELATIVE_CAPACITY") { return RELATIVE_CAP; }
(?i:"S1AP_OUTCOME_TIMER") { return S1AP_OUTCOME_TIMER; }
(?i:"MME_STATISTIC_TIMER") { return MME_STATISTIC_TIMER; }
(?i:"SGW_INTERFACE_NAME_FOR_S11") { return SGW_INTERFACE_NAME_FOR_S11; }
(?i:"SGW_IP_ADDRESS_FOR_S11") { return SGW_IP_ADDRESS_FOR_S11; }
(?i:"SGW_IP_NETMASK_FOR_S11") { return SGW_IP_NETMASK_FOR_S11; }
(?i:"SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP") { return SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP; }
(?i:"SGW_IP_ADDRESS_FOR_S1U_S12_S4_UP") { return SGW_IP_ADDRESS_FOR_S1U_S12_S4_UP; }
(?i:"SGW_IP_NETMASK_FOR_S1U_S12_S4_UP") { return SGW_IP_NETMASK_FOR_S1U_S12_S4_UP; }
(?i:"SGW_INTERFACE_NAME_FOR_S5_S8_UP") { return SGW_INTERFACE_NAME_FOR_S5_S8_UP; }
(?i:"SGW_IP_ADDRESS_FOR_S5_S8_UP") { return SGW_IP_ADDRESS_FOR_S5_S8_UP; }
(?i:"SGW_IP_NETMASK_FOR_S5_S8_UP") { return SGW_IP_NETMASK_FOR_S5_S8_UP; }
(?i:"PGW_INTERFACE_NAME_FOR_S5_S8") { return PGW_INTERFACE_NAME_FOR_S5_S8; }
(?i:"PGW_IP_ADDRESS_FOR_S5_S8") { return PGW_IP_ADDRESS_FOR_S5_S8; }
(?i:"PGW_IP_NETMASK_FOR_S5_S8") { return PGW_IP_NETMASK_FOR_S5_S8; }
(?i:"PGW_INTERFACE_NAME_FOR_SGI") { return PGW_INTERFACE_NAME_FOR_SGI; }
(?i:"PGW_IP_ADDR_FOR_SGI") { return PGW_IP_ADDR_FOR_SGI; }
(?i:"PGW_IP_NETMASK_FOR_SGI") { return PGW_IP_NETMASK_FOR_SGI; }
(?i:"MME_INTERFACE_NAME_FOR_S1_MME") { return MME_INTERFACE_NAME_FOR_S1_MME; }
(?i:"MME_IP_ADDRESS_FOR_S1_MME") { return MME_IP_ADDRESS_FOR_S1_MME; }
(?i:"MME_IP_NETMASK_FOR_S1_MME") { return MME_IP_NETMASK_FOR_S1_MME; }
(?i:"MME_INTERFACE_NAME_FOR_S11_MME") { return MME_INTERFACE_NAME_FOR_S11_MME; }
(?i:"MME_IP_ADDRESS_FOR_S11_MME") { return MME_IP_ADDRESS_FOR_S11_MME; }
(?i:"MME_IP_NETMASK_FOR_S11_MME") { return MME_IP_NETMASK_FOR_S11_MME; }
/* Valid single characters for yyparse */
<*>[.=,:;{}] { return yytext[0]; }
<*>[[:alnum:]]+ | /* This rule is only useful to print a complete token in error messages */
/* Unrecognized character */
<*>. {
fprintf(stderr, "Unrecognized text on line %d col %d: '%s'.\n",
yylloc->first_line, yylloc->first_column, yytext);
return LEX_ERROR;
}
%%