gotools/gopls/internal/cache/constraints.go

// isStandaloneFile reports whether a file with the given contents should be
// considered a 'standalone main file', meaning a package that consists of only
// a single file.
func isStandaloneFile(src []byte, standaloneTags []string) bool { … }

// walkConstraints calls f for each constraint expression in the file, until
// all constraints are exhausted or f returns false.
func walkConstraints(file *ast.File, f func(constraint.Expr) bool) { … }