103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
/*
|
|
* Yang 1.0 parser according to RFC6020.
|
|
* It is hopefully useful but not complete
|
|
* RFC7950 defines Yang version 1.1
|
|
*
|
|
***** BEGIN LICENSE BLOCK *****
|
|
|
|
Copyright (C) 2009-2019 Olof Hagsand
|
|
Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
|
|
|
|
This file is part of CLIXON.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
Alternatively, the contents of this file may be used under the terms of
|
|
the GNU General Public License Version 3 or later (the "GPL"),
|
|
in which case the provisions of the GPL are applicable instead
|
|
of those above. If you wish to allow use of your version of this file only
|
|
under the terms of the GPL, and not to allow others to
|
|
use your version of this file under the terms of Apache License version 2,
|
|
indicate your decision by deleting the provisions above and replace them with
|
|
the notice and other provisions required by the GPL. If you do not delete
|
|
the provisions above, a recipient may use your version of this file under
|
|
the terms of any one of the Apache License version 2 or the GPL.
|
|
|
|
***** END LICENSE BLOCK *****
|
|
|
|
* Yang parser. Hopefully useful but not complete
|
|
* @see https://tools.ietf.org/html/rfc6020 YANG 1.0
|
|
* @see https://tools.ietf.org/html/rfc7950 YANG 1.1
|
|
*/
|
|
#ifndef _CLIXON_YANG_PARSE_H_
|
|
#define _CLIXON_YANG_PARSE_H_
|
|
|
|
/*
|
|
* Types
|
|
*/
|
|
|
|
struct ys_stack{
|
|
struct ys_stack *ys_next;
|
|
yang_stmt *ys_node;
|
|
};
|
|
|
|
struct clixon_yang_yacc {
|
|
char *yy_name; /* Name of syntax, typically filename
|
|
(for error string) */
|
|
int yy_linenum; /* Number of \n in parsed buffer */
|
|
char *yy_parse_string; /* original (copy of) parse string */
|
|
void *yy_lexbuf; /* internal parse buffer from lex */
|
|
struct ys_stack *yy_stack; /* Stack of levels: push/pop on () and [] */
|
|
int yy_lex_state; /* lex start condition (ESCAPE/COMMENT) */
|
|
int yy_lex_string_state; /* lex start condition (STRING) */
|
|
yang_stmt *yy_module; /* top-level (sub)module - return value of parser */
|
|
};
|
|
typedef struct clixon_yang_yacc clixon_yang_yacc;
|
|
|
|
/* This is a malloced piece of code we attach to cligen objects used as db-specs.
|
|
* So if(when) we translate cg_obj to yang_obj (or something). These are the fields
|
|
* we should add.
|
|
*/
|
|
struct yang_userdata{
|
|
char *du_indexvar; /* (clicon) This command is a list and
|
|
this string is the key/index of the list
|
|
*/
|
|
char *du_yang; /* (clicon) Save yang key for cli
|
|
generation */
|
|
int du_optional; /* (clicon) Optional element in list */
|
|
struct cg_var *du_default; /* default value(clicon) */
|
|
char du_vector; /* (clicon) Possibly more than one element */
|
|
};
|
|
|
|
/*
|
|
* Variables
|
|
*/
|
|
extern char *clixon_yang_parsetext;
|
|
|
|
/*
|
|
* Prototypes
|
|
*/
|
|
int yang_scan_init(clixon_yang_yacc *ya);
|
|
int yang_scan_exit(clixon_yang_yacc *ya);
|
|
|
|
int yang_parse_init(clixon_yang_yacc *ya);
|
|
int yang_parse_exit(clixon_yang_yacc *ya);
|
|
|
|
int clixon_yang_parselex(void *_ya);
|
|
int clixon_yang_parseparse(void *);
|
|
void clixon_yang_parseerror(void *_ya, char*);
|
|
|
|
int ystack_pop(clixon_yang_yacc *ya);
|
|
struct ys_stack *ystack_push(clixon_yang_yacc *ya, yang_stmt *yn);
|
|
|
|
#endif /* _CLIXON_YANG_PARSE_H_ */
|