gotools/gopls/internal/golang/highlight.go

func Highlight(ctx context.Context, snapshot *cache.Snapshot, fh file.Handle, position protocol.Position) ([]protocol.DocumentHighlight, error) { … }

// highlightPath returns ranges to highlight for the given enclosing path,
// which should be the result of astutil.PathEnclosingInterval.
func highlightPath(path []ast.Node, file *ast.File, info *types.Info) (map[posRange]protocol.DocumentHighlightKind, error) { … }

type posRange …

// highlightFuncControlFlow adds highlight ranges to the result map to
// associate results and result parameters.
//
// Specifically, if the cursor is in a result or result parameter, all
// results and result parameters with the same index are highlighted. If the
// cursor is in a 'func' or 'return' keyword, the func keyword as well as all
// returns from that func are highlighted.
//
// As a special case, if the cursor is within a complicated expression, control
// flow highlighting is disabled, as it would highlight too much.
func highlightFuncControlFlow(path []ast.Node, result map[posRange]protocol.DocumentHighlightKind) { … }

// highlightUnlabeledBreakFlow highlights the innermost enclosing for/range/switch or swlect
func highlightUnlabeledBreakFlow(path []ast.Node, info *types.Info, result map[posRange]protocol.DocumentHighlightKind) { … }

// highlightLabeledFlow highlights the enclosing labeled for, range,
// or switch statement denoted by a labeled break or continue stmt.
func highlightLabeledFlow(path []ast.Node, info *types.Info, stmt *ast.BranchStmt, result map[posRange]protocol.DocumentHighlightKind) { … }

func labelFor(path []ast.Node) *ast.Ident { … }

func highlightLoopControlFlow(path []ast.Node, info *types.Info, result map[posRange]protocol.DocumentHighlightKind) { … }

func highlightSwitchFlow(path []ast.Node, info *types.Info, result map[posRange]protocol.DocumentHighlightKind) { … }

func highlightNode(result map[posRange]protocol.DocumentHighlightKind, n ast.Node, kind protocol.DocumentHighlightKind) { … }

func highlightRange(result map[posRange]protocol.DocumentHighlightKind, pos, end token.Pos, kind protocol.DocumentHighlightKind) { … }

func highlightIdentifier(id *ast.Ident, file *ast.File, info *types.Info, result map[posRange]protocol.DocumentHighlightKind) { … }