gotools/gopls/internal/golang/references.go

// References returns a list of all references (sorted with
// definitions before uses) to the object denoted by the identifier at
// the given file/position, searching the entire workspace.
func References(ctx context.Context, snapshot *cache.Snapshot, fh file.Handle, pp protocol.Position, includeDeclaration bool) ([]protocol.Location, error) { … }

type reference …

// references returns a list of all references (sorted with
// definitions before uses) to the object denoted by the identifier at
// the given file/position, searching the entire workspace.
func references(ctx context.Context, snapshot *cache.Snapshot, f file.Handle, pp protocol.Position, includeDeclaration bool) ([]reference, error) { … }

// packageReferences returns a list of references to the package
// declaration of the specified name and uri by searching among the
// import declarations of all packages that directly import the target
// package.
func packageReferences(ctx context.Context, snapshot *cache.Snapshot, uri protocol.DocumentURI) ([]reference, error) { … }

// ordinaryReferences computes references for all ordinary objects (not package declarations).
func ordinaryReferences(ctx context.Context, snapshot *cache.Snapshot, uri protocol.DocumentURI, pp protocol.Position) ([]reference, error) { … }

// expandMethodSearch expands the scope and targets of a global search
// for an exported method to include all methods in the workspace
// that correspond to it through interface satisfaction.
//
// Each package that declares a corresponding type is added to
// expansions so that we can also find local references to the type
// within the package, which of course requires type checking.
//
// The scope is expanded by a sequence of calls (not concurrent) to addRdeps.
//
// recv is the method's effective receiver type, for method-set computations.
func expandMethodSearch(ctx context.Context, snapshot *cache.Snapshot, workspaceIDs []PackageID, method *types.Func, recv types.Type, addRdeps func(id PackageID, transitive bool) error, targets map[PackagePath]map[objectpath.Path]unit, expansions map[PackageID]unit) error { … }

// localReferences traverses syntax and reports each reference to one
// of the target objects, or (if correspond is set) an object that
// corresponds to one of them via interface satisfaction.
func localReferences(pkg *cache.Package, targets map[types.Object]bool, correspond bool, report func(loc protocol.Location, isDecl bool)) error { … }

// effectiveReceiver returns the effective receiver type for method-set
// comparisons for obj, if it is a method, or nil otherwise.
func effectiveReceiver(obj types.Object) types.Type { … }

// objectsAt returns the non-empty set of objects denoted (def or use)
// by the specified position within a file syntax tree, or an error if
// none were found.
//
// The result may contain more than one element because all case
// variables of a type switch appear to be declared at the same
// position.
//
// Each object is mapped to the syntax node that was treated as an
// identifier, which is not always an ast.Ident. The second component
// of the result is the innermost node enclosing pos.
//
// TODO(adonovan): factor in common with referencedObject.
func objectsAt(info *types.Info, file *ast.File, pos token.Pos) (map[types.Object]ast.Node, ast.Node, error) { … }

// mustLocation reports the location interval a syntax node,
// which must belong to m.File.
//
// Safe for use only by references and implementations.
func mustLocation(pgf *parsego.File, n ast.Node) protocol.Location { … }