Function parseGoImpl

gopls/internal/cache/parse.go:30–45

parseGoImpl parses the Go source file whose content is provided by fh.

(ctx context.Context, fset *token.FileSet, fh file.Handle, mode parser.Mode, purgeFuncBodies bool)

// parseGoImpl parses the Go source file whose content is provided by fh.
func parseGoImpl(ctx context.Context, fset *token.FileSet, fh file.Handle, mode parser.Mode, purgeFuncBodies bool) (*parsego.File, error) {
	ext := filepath.Ext(fh.URI().Path())
	if ext != ".go" && ext != "" { // files generated by cgo have no extension
		return nil, fmt.Errorf("cannot parse non-Go file %s", fh.URI())
	}
	content, err := fh.Content()
	if err != nil {
		return nil, err
	}
	// Check for context cancellation before actually doing the parse.
	if ctx.Err() != nil {
		return nil, ctx.Err()
	}
	pgf, _ := parsego.Parse(ctx, fset, fh.URI(), content, mode, purgeFuncBodies) // ignore 'fixes'
	return pgf, nil
}