go/src/cmd/go/internal/modindex/scan.go

// moduleWalkErr returns filepath.SkipDir if the directory isn't relevant
// when indexing a module or generating a filehash, ErrNotIndexed,
// if the module shouldn't be indexed, and nil otherwise.
func moduleWalkErr(root string, path string, info fs.FileInfo, err error) error { … }

// indexModule indexes the module at the given directory and returns its
// encoded representation. It returns ErrNotIndexed if the module can't
// be indexed because it contains symlinks.
func indexModule(modroot string) ([]byte, error) { … }

// indexPackage indexes the package at the given directory and returns its
// encoded representation. It returns ErrNotIndexed if the package can't
// be indexed.
func indexPackage(modroot, pkgdir string) []byte { … }

type rawPackage …

type parseError …

// parseErrorToString converts the error from parsing the file into a string
// representation. A nil error is converted to an empty string, and all other
// errors are converted to a JSON-marshaled parseError struct, with ErrorList
// set for errors of type scanner.ErrorList, and ErrorString set to the error's
// string representation for all other errors.
func parseErrorToString(err error) string { … }

// parseErrorFromString converts a string produced by parseErrorToString back
// to an error.  An empty string is converted to a nil error, and all
// other strings are expected to be JSON-marshaled parseError structs.
// The two functions are meant to preserve the structure of an
// error of type scanner.ErrorList in a round trip, but may not preserve the
// structure of other errors.
func parseErrorFromString(s string) error { … }

type rawFile …

type rawImport …

type embed …

// importRaw fills the rawPackage from the package files in srcDir.
// dir is the package's path relative to the modroot.
func importRaw(modroot, reldir string) *rawPackage { … }

// extractCgoDirectives filters only the lines containing #cgo directives from the input,
// which is the comment on import "C".
func extractCgoDirectives(doc string) []string { … }