17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc.
247c478bd9Sstevel@tonic-gate * All rights reserved.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate #include <pthread.h>
287c478bd9Sstevel@tonic-gate #include <string.h>
297c478bd9Sstevel@tonic-gate #include <stdlib.h>
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate #include "Parser.h"
327c478bd9Sstevel@tonic-gate
337c478bd9Sstevel@tonic-gate // yacc symbols
34*7eae07abSToomas Soome #ifdef __cplusplus
35*7eae07abSToomas Soome extern "C" {
36*7eae07abSToomas Soome #endif
377c478bd9Sstevel@tonic-gate int fruparse(void);
387c478bd9Sstevel@tonic-gate extern int frudebug;
39*7eae07abSToomas Soome #ifdef __cplusplus
40*7eae07abSToomas Soome }
41*7eae07abSToomas Soome #endif
427c478bd9Sstevel@tonic-gate
437c478bd9Sstevel@tonic-gate // global data to/from the lexer
447c478bd9Sstevel@tonic-gate pthread_mutex_t gParserLock;
457c478bd9Sstevel@tonic-gate fru_errno_t gParserErrno = FRU_SUCCESS;
467c478bd9Sstevel@tonic-gate char *gParserString = NULL;
477c478bd9Sstevel@tonic-gate Ancestor *gParserAnts = NULL;
487c478bd9Sstevel@tonic-gate PathDef *gParserHead = NULL;
497c478bd9Sstevel@tonic-gate int *gParserAbs = NULL;
507c478bd9Sstevel@tonic-gate
517c478bd9Sstevel@tonic-gate // returns a NULL terminated list of PathDef objects.
527c478bd9Sstevel@tonic-gate // and a NULL terminated list of ancestor objects this path exists in
537c478bd9Sstevel@tonic-gate // NOTE: ancestors may be NULL if no tags contain a valid path.
547c478bd9Sstevel@tonic-gate fru_errno_t
fru_field_parser(const char * path,Ancestor ** ancestors,int * absolute,PathDef ** pathDef)557c478bd9Sstevel@tonic-gate fru_field_parser(const char *path, Ancestor **ancestors,
567c478bd9Sstevel@tonic-gate int *absolute, PathDef **pathDef)
577c478bd9Sstevel@tonic-gate {
587c478bd9Sstevel@tonic-gate // lock up the globals for the parser...
597c478bd9Sstevel@tonic-gate pthread_mutex_lock(&gParserLock);
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate // get out a string for the parser to play with.
627c478bd9Sstevel@tonic-gate gParserString = strdup(path);
637c478bd9Sstevel@tonic-gate if (gParserString == NULL) {
647c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
657c478bd9Sstevel@tonic-gate return (FRU_FAILURE);
667c478bd9Sstevel@tonic-gate }
677c478bd9Sstevel@tonic-gate // save the head pointer for delete.
687c478bd9Sstevel@tonic-gate char *delPtr = gParserString;
697c478bd9Sstevel@tonic-gate
707c478bd9Sstevel@tonic-gate // frudebug = 1;
717c478bd9Sstevel@tonic-gate
727c478bd9Sstevel@tonic-gate // set up for return data from lexer.
737c478bd9Sstevel@tonic-gate gParserHead = NULL;
747c478bd9Sstevel@tonic-gate gParserAnts = NULL;
757c478bd9Sstevel@tonic-gate gParserErrno = FRU_SUCCESS;
767c478bd9Sstevel@tonic-gate gParserAbs = absolute;
777c478bd9Sstevel@tonic-gate *gParserAbs = 0;
787c478bd9Sstevel@tonic-gate
797c478bd9Sstevel@tonic-gate int rc = fruparse();
807c478bd9Sstevel@tonic-gate
817c478bd9Sstevel@tonic-gate // clean up the string we used for yacc.
827c478bd9Sstevel@tonic-gate free(delPtr);
837c478bd9Sstevel@tonic-gate gParserString = NULL;
847c478bd9Sstevel@tonic-gate
857c478bd9Sstevel@tonic-gate // frudebug = 0;
867c478bd9Sstevel@tonic-gate if (rc != 0) {
877c478bd9Sstevel@tonic-gate delete gParserHead;
887c478bd9Sstevel@tonic-gate delete gParserAnts;
897c478bd9Sstevel@tonic-gate fru_errno_t err = gParserErrno;
907c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
917c478bd9Sstevel@tonic-gate return (err);
927c478bd9Sstevel@tonic-gate }
937c478bd9Sstevel@tonic-gate
947c478bd9Sstevel@tonic-gate /* if ((gParserHead == NULL) || (gParserAnts == NULL)) { */
957c478bd9Sstevel@tonic-gate /* allow ancestors to be NULL */
967c478bd9Sstevel@tonic-gate /* some elements don't have tagged ancestors */
977c478bd9Sstevel@tonic-gate if (gParserHead == NULL) {
987c478bd9Sstevel@tonic-gate delete gParserAnts;
997c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
1007c478bd9Sstevel@tonic-gate return (FRU_FAILURE);
1017c478bd9Sstevel@tonic-gate }
1027c478bd9Sstevel@tonic-gate
1037c478bd9Sstevel@tonic-gate *pathDef = gParserHead;
1047c478bd9Sstevel@tonic-gate *ancestors = gParserAnts;
1057c478bd9Sstevel@tonic-gate
1067c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
1077c478bd9Sstevel@tonic-gate return (FRU_SUCCESS);
1087c478bd9Sstevel@tonic-gate }
109