Method handleGetReferencedSymbolsForNode

internal/api/session.go:3249–3300

handleGetReferencedSymbolsForNode returns node handles for all references found at a node.

(ctx context.Context, params *GetReferencedSymbolsForNodeParams)

// handleGetReferencedSymbolsForNode returns node handles for all references found at a node.
func (s *Session) handleGetReferencedSymbolsForNode(ctx context.Context, params *GetReferencedSymbolsForNodeParams) ([]ReferencedSymbolEntry, error) {
	sd, err := s.getSnapshotData(params.Snapshot)
	if err != nil {
		return nil, err
	}
	program, err := sd.getProgram(params.Project)
	if err != nil {
		return nil, err
	}

	node, err := sd.resolveNodeHandle(program, params.Node)
	if err != nil {
		return nil, err
	}
	if node == nil {
		return nil, nil
	}

	langSvc, err := s.setupLanguageService(sd, program, params.Project, "")
	if err != nil {
		return nil, err
	}

	sourceFiles := program.GetSourceFiles()
	entries := langSvc.GetReferencedSymbolsForNode(ctx, params.Position, node, sourceFiles)
	if entries == nil {
		return nil, nil
	}

	var result []ReferencedSymbolEntry
	for _, entry := range entries {
		defNode := entry.DefinitionNode()
		if defNode == nil {
			continue
		}
		var refs []NodeHandle
		for _, ref := range entry.References() {
			if ref.IsNodeEntry() {
				refs = append(refs, sd.nodeHandleFrom(ref.Node()))
			}
		}
		re := ReferencedSymbolEntry{
			Definition: sd.nodeHandleFrom(defNode),
			References: refs,
		}
		if sym := entry.DefinitionSymbol(); sym != nil {
			re.Symbol = sd.newSymbolResponse(sym, params.Project)
		}
		result = append(result, re)
	}
	return result, nil
}