Package net.vleo.timel.function

Class FunctionRegistry

java.lang.Object

net.vleo.timel.function.FunctionRegistry

public class FunctionRegistry
extends Object

Function registry. This class will hold references to all the known Functions, and allow the resolution of the correct one given its arguments.

Author:

Andrea Leofreddi

Constructor Summary

Constructors

Constructor	Description
FunctionRegistry()

Method Summary

Modifier and Type	Method	Description
void	add(Function<?> function)	Add a function to the registry.
void	addAll(Collection<Function<?>> functions)	Add all the functions to the registry.
net.vleo.timel.impl.intermediate.tree.FunctionCall	lookup(net.vleo.timel.impl.parser.tree.AbstractParseTree reference, String function, List<net.vleo.timel.impl.intermediate.tree.AbstractSyntaxTree> arguments)	Lookup a function for the given arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionRegistry

public FunctionRegistry()

Method Detail

add

public void add(Function<?> function)

Add a function to the registry.

Parameters:

function - Function to register

addAll

public void addAll(Collection<Function<?>> functions)

Add all the functions to the registry.

Parameters:

functions - Collections of functions to be registered

lookup

public net.vleo.timel.impl.intermediate.tree.FunctionCall lookup(net.vleo.timel.impl.parser.tree.AbstractParseTree reference,
                                                                 String function,
                                                                 List<net.vleo.timel.impl.intermediate.tree.AbstractSyntaxTree> arguments)
                                                          throws ParseException

Lookup a function for the given arguments.

Parameters:

reference - Source reference node

function - Function to lookup

arguments - Call arguments

Returns:

A FunctionCall applying the given function to the passed arguments (casting them when needed).

Throws:

ParseException - When the lookup failed