200 lines
6 KiB
Text
200 lines
6 KiB
Text
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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Just syntax check, return no data
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* descendant-schema-nodeid RFC7950 14
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descendant-schema-nodeid = node-identifier
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[absolute-schema-nodeid]
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absolute-schema-nodeid = 1*("/" node-identifier)
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node-identifier = [prefix ":"] identifier
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prefix = identifier
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identifier = (ALPHA / "_")
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*(ALPHA / DIGIT / "_" / "-" / ".")
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*/
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%union {
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char *string;
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void *stack;
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int number;
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}
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%token MY_EOF
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%token <string> IDENTIFIER
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%start top
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%lex-param {void *_if} /* Add this argument to parse() and lex() function */
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%parse-param {void *_if}
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%{
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/* Here starts user C-code */
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/* typecast macro */
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#define _IF ((clixon_yang_schemanode_yacc *)_if)
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#define _YYERROR(msg) {clixon_err(OE_YANG, 0, "%s", (msg)); YYERROR;}
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <strings.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <sys/time.h>
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/* cligen */
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#include <cligen/cligen.h>
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/* clixon */
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#include "clixon_queue.h"
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#include "clixon_hash.h"
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#include "clixon_string.h"
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#include "clixon_handle.h"
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#include "clixon_yang.h"
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#include "clixon_xml.h"
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#include "clixon_err.h"
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#include "clixon_log.h"
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#include "clixon_debug.h"
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#include "clixon_yang_module.h"
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#include "clixon_xml_vec.h"
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#include "clixon_data.h"
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#include "clixon_yang_sub_parse.h"
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#include "clixon_yang_schemanode_parse.h"
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/* Enable for debugging, steals some cycles otherwise */
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#if 0
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#define _PARSE_DEBUG(s) clixon_debug(CLIXON_DBG_PARSE|CLIXON_DBG_DETAIL, (s))
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#else
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#define _PARSE_DEBUG(s)
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#endif
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void
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clixon_yang_schemanode_parseerror(void *arg,
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char *s)
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{
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clixon_yang_schemanode_yacc *ife = (clixon_yang_schemanode_yacc *)arg;
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clixon_err(OE_YANG, 0, "yang_schemanode_parse: file:%s:%d \"%s\" %s: at or before: %s",
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ife->if_mainfile,
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ife->if_linenum,
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ife->if_parse_string,
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s,
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clixon_yang_schemanode_parsetext);
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return;
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}
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%}
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%%
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/* See RFC 7950 Sec 14 refine-arg-str / usage-augment-arg-str */
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top : descendant_schema_nodeid MY_EOF
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{
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_PARSE_DEBUG("top->descendant-schema-nodeid");
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if (_IF->if_accept == YA_DESC_SCHEMANODEID){
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YYACCEPT;
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}
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else{
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_YYERROR("descendant-schema-nodeid unexpected");
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}
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}
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| absolute_schema_nodeid MY_EOF
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{
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_PARSE_DEBUG("top->absolute-schema-nodeid");
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if (_IF->if_accept == YA_ABS_SCHEMANODEID){
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YYACCEPT;
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}
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else{
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_YYERROR("absolute-schema-nodeid unexpected");
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}
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}
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;
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descendant_schema_nodeid
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: node_identifier
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{
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_PARSE_DEBUG("descendant-schema-nodeid->node-identifier");
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}
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| node_identifier absolute_schema_nodeid
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{
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_PARSE_DEBUG("descendant-schema-nodeid->absolute-schema-nodeid");
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}
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;
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absolute_schema_nodeid
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: absolute_schema_nodeid '/' node_identifier
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{
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_PARSE_DEBUG("absolute-schema-nodeid->absolute-schema-nodeid '/' node-identifier");
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}
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| '/' node_identifier
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{
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_PARSE_DEBUG("absolute-schema-nodeid->'/' node-identifier");
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}
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;
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/* node-identifier = [prefix ":"] identifier */
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node_identifier : identifier
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{
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_PARSE_DEBUG("node-identifier -> identifier");
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if (_IF->if_accept == YA_ID_REF){
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YYACCEPT;
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}
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}
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| prefix ':' identifier
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{
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_PARSE_DEBUG("node_identifier -> prefix : identifier");
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if (_IF->if_accept == YA_ID_REF){
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YYACCEPT;
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}
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}
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;
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prefix : IDENTIFIER
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{
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_PARSE_DEBUG("prefix -> IDENTIFIER");
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free($1);
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}
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;
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identifier : IDENTIFIER
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{
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_PARSE_DEBUG("identifier -> IDENTIFIER");
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free($1);
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}
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;
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%%
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