org.deri.iris.compiler
Class Parser

java.lang.Object
  org.deri.iris.compiler.Parser

public class Parser
extends Object

Parses a datalog program in human readable form in to an IRIS object model.

Constructor Summary

Parser()
Default constructor.

Parser(BuiltinRegister builtinRegister)
Constructor for custom BuitinRegister.

Method Summary

BuiltinRegister	getBuiltinRegister() Get the built-in register instance for adding or removing built-ins.
Map<IPredicate,IRelation>	getFacts()
List<IQuery>	getQueries()
List<IRule>	getRules()
void	parse(Reader r) Parses a datalog string.
void	parse(String program) Parses a datalog program.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Parser

public Parser()

Default constructor. Uses a default BuiltinRegister.

Parser

public Parser(BuiltinRegister builtinRegister)

Constructor for custom BuitinRegister.

Parameters:

builtinRegister - The built-in register to use.

Method Detail

getBuiltinRegister

public BuiltinRegister getBuiltinRegister()

Get the built-in register instance for adding or removing built-ins.

Returns:

The built-in register instance

parse

public void parse(String program)
           throws ParserException

Parses a datalog program.

Parameters:

program - The program to parse. This must not be null.

Throws:

ParserException

getRules

public List<IRule> getRules()

getFacts

public Map<IPredicate,IRelation> getFacts()

getQueries

public List<IQuery> getQueries()

parse

public void parse(Reader r)
           throws ParserException

Parses a datalog string. The parsed object will be add to the submitted program.

Parameters:

r - the reader from where to read the program

p - the program where to add the objects. Might be null

Throws:

ParserException - if something went wrong while parsing

IllegalArgumentException - if the reader is null