org.eclipse.xtend.backend.functions.internal
Class PolymorphicResolver

java.lang.Object
  org.eclipse.xtend.backend.functions.internal.PolymorphicResolver

public final class PolymorphicResolver
extends java.lang.Object

Author:

Arno Haase (http://www.haase-consulting.com), André Arnold

Constructor Summary

PolymorphicResolver(QualifiedName functionName)

Method Summary

Function	evaluateGuards(ExecutionContext ctx, java.util.Collection<Function> functions) chooses a function based on the evaluation of the functions' guards
java.util.Collection<Function>	getBestFitCandidates(java.util.Collection<Function> functions) returns the list of all best-fitting candidates by parameter types.

Methods inherited from class java.lang.Object

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

Constructor Detail

PolymorphicResolver

public PolymorphicResolver(QualifiedName functionName)

Parameters:

functionName - the name of the functions to be resolved - used for error messages

Method Detail

getBestFitCandidates

public java.util.Collection<Function> getBestFitCandidates(java.util.Collection<Function> functions)

returns the list of all best-fitting candidates by parameter types. This list can be statically cached, but it must be checked dynamically for guard matching.

evaluateGuards

public Function evaluateGuards(ExecutionContext ctx,
                               java.util.Collection<Function> functions)

chooses a function based on the evaluation of the functions' guards