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MCP lsfusion_find_elements: a relatedElements seed outside the modules filter is silently dropped and the filtered modules are returned whole

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Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
54/100
Tipo di issue
Bug
Chiarezza
Abbastanza chiara
Stato di attività
Attiva
Stack tecnologico
java
Ambito
tooling

Direzione di ricerca

Start by locating the lsfusion_find_elements implementation and its tests for relatedElements, classes, and the modules filter; the issue does not name file paths. Check how seed lookup is limited by the filter and how unresolved seeds are handled. Done means seeds resolve across the project and its libraries, unresolved seeds appear in errors, and a related filter with no resolved seeds returns an empty result.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

bug
Description

lsfusion_find_elements with relatedElements and a modules filter is the way to ask which elements of modules B and C a module A (or one of its elements) actually uses, for example when trimming a REQUIRE list. When the seed element is declared outside the filtered modules, the tool returns every element of the filtered modules, as if no relatedElements filter had been given, and reports neither an error nor a meta entry.

Reproducer on a project whose module Catalog requires only System (nothing of Time or Utils is referenced from it):

  1. relatedElements='module:Catalog', relatedDirection='uses', modules='Time, Utils', requiredModules=false, minSymbols=0 returns the Time and Utils module declarations with their classes (DOW, Month, YesNo, ...) and properties (fileName[INTEGER], zipped[], ...).
  2. relatedElements='property:Catalog.nameCategory[Catalog.Item]', relatedDirection='uses', modules='Time', requiredModules=false, minSymbols=0 returns the content of Time, although nameCategory uses only category[Item] and name[Category].
  3. The same module seed with its own module added to the filter (modules='Time, Utils, Catalog') works as intended: the result is Catalog and the System module it requires, and nothing from Time or Utils.
Fix

A seed of relatedElements (and a class of the classes filter) is looked up in the whole project and its libraries, whatever the modules filter, and the filter restricts only the result. A seed that cannot be resolved is reported in errors, and when a related filter was given but none of its seeds resolved, the result is empty instead of the whole filtered modules.

Reason

The usage traversal from a seed in one module into the elements of other modules is the main use of relatedElements together with modules; today that exact combination silently answers a different question, so a dependency check done with it is wrong without any sign of it.

Lingua principale
Java
Stelle
9
Fork
3
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