101 lines
3.8 KiB
C
101 lines
3.8 KiB
C
/*
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* Yang 1.0 parser according to RFC6020.
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* It is hopefully useful but not complete
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* RFC7950 defines Yang version 1.1
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2017 Olof Hagsand and Benny Holmgren
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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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* Database specification parser cli syntax
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* (Cloned from cligen parser)
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*/
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#ifndef _CLIXON_YANG_PARSE_H_
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#define _CLIXON_YANG_PARSE_H_
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/*
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* Types
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*/
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struct ys_stack{
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struct ys_stack *ys_next;
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struct yang_node *ys_node;
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};
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struct clicon_yang_yacc_arg{ /* XXX: mostly unrelevant */
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clicon_handle yy_handle; /* cligen_handle */
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char *yy_name; /* Name of syntax (for error string) */
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int yy_linenum; /* Number of \n in parsed buffer */
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char *yy_parse_string; /* original (copy of) parse string */
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void *yy_lexbuf; /* internal parse buffer from lex */
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struct ys_stack *yy_stack; /* Stack of levels: push/pop on () and [] */
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int yy_lex_state; /* lex start condition (ESCAPE/COMMENT) */
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int yy_lex_string_state; /* lex start condition (STRING) */
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yang_stmt *yy_module; /* top-level (sub)module - return value of
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parser */
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};
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/* This is a malloced piece of code we attach to cligen objects used as db-specs.
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* So if(when) we translate cg_obj to yang_obj (or something). These are the fields
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* we should add.
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*/
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struct yang_userdata{
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char *du_indexvar; /* (clicon) This command is a list and
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this string is the key/index of the list
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*/
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char *du_yang; /* (clicon) Save yang key for cli
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generation */
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int du_optional; /* (clicon) Optional element in list */
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struct cg_var *du_default; /* default value(clicon) */
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char du_vector; /* (clicon) Possibly more than one element */
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};
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/*
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* Variables
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*/
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extern char *clixon_yang_parsetext;
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/*
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* Prototypes
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*/
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int yang_scan_init(struct clicon_yang_yacc_arg *ya);
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int yang_scan_exit(struct clicon_yang_yacc_arg *ya);
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int yang_parse_init(struct clicon_yang_yacc_arg *ya, yang_spec *ysp);
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int yang_parse_exit(struct clicon_yang_yacc_arg *ya);
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int clixon_yang_parselex(void *_ya);
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int clixon_yang_parseparse(void *);
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void clixon_yang_parseerror(void *_ya, char*);
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int ystack_pop(struct clicon_yang_yacc_arg *ya);
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struct ys_stack *ystack_push(struct clicon_yang_yacc_arg *ya, yang_node *yn);
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#endif /* _CLIXON_YANG_PARSE_H_ */
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