net.sourceforge.pmd.lang.modelica.resolver.ResolutionResult Maven / Gradle / Ivy
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/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang.modelica.resolver;
import java.util.List;
/**
* This class represents a resolution result of some (possibly composite) name inside some context
*
* Usage of special interface instead of plain List<ModelicaDeclaration> allows returning some additional information
* such as "layers" of resolved symbol (for example, these 10 symbols are obviously hidden, but these two are equally
* relevant, thus introducing name clash). Moreover, more diagnostic information can be introduced in the future
* without changing lots of source code.
*/
public interface ResolutionResult {
/**
* Returns declarations that are supposed to be taken by the Modelica compiler (normally, exactly one match).
*
* @return A declaration(s) to be used. Every result not consisting of exactly one declaration signifies
* a possible error-severity issue in the source to be analysed.
*/
List getBestCandidates();
/**
* Returns declarations that are definitely hidden by some others.
*
* Non empty returned collection may signify either warning-grade issue in the source to be analysed
* or just some peculiarities of the particular Modelica code design, it depends.
*
* @return A collections of definitely hidden resolution candidates
*/
List getHiddenCandidates();
/**
* Whether any resolution candidate exists.
*
* @return {@code getBestCandidates().size != 0}
*/
boolean isUnresolved();
/**
* Whether the symbol resolver found multiple equally relevant resolution candidates.
*
* @return {@code getBestCandidates().size > 1}
*/
boolean isClashed();
/**
* Whether the symbol resolver found any symbol suspiciously hidden by other ones.
*
* @return {@code getHiddenCandidates().size != 0}
*/
boolean hasHiddenResults();
/**
* During resolution, loops may occur. This leads to timing out the resolution and (possibly) partial results.
*
* This method may return `true` even if other ones return some non-empty result. It merely signifies that
* the results may depend on particular limit on the number of resolution steps.
*
* @return Whether resolution was timed out
*/
boolean wasTimedOut();
}