Minimises global namespace pollution of yacc/lex variables. More...

Functions
int	policy_parse (vector< Node * > &outnodes, const Term::BLOCKS &block, const string &conf, string &outerr)
	Parser a policy.
Variables
vector< Node * > *	_parser_nodes
unsigned	_parser_lineno

Detailed Description

Minimises global namespace pollution of yacc/lex variables.

The nature of lex and yacc causes global variables / functions to be present. Here such methods and functions are grouped under one namespace.

Function Documentation

int policy_parser::policy_parse	(	vector< Node * > &	outnodes,
		const Term::BLOCKS &	block,
		const string &	conf,
		string &	outerr
	)

Parser a policy.

Caller is responsible for deleting nodes created from a partial parse due to errors.

Parameters:

outnodes	where parse tree will be stored.
block	the policy block [source, action, dest] which is being parsed.
conf	configuration to parse.
outerr	on error, this buffer will be filled with an error message.