//       }
	//       return cmp.Compare(a.End(), b.End())
	// })

	return list
}

// A commentListReader helps iterating through a list of comment groups.
type commentListReader struct {
	fset     *token.FileSet
	list     []*CommentGroup
	index    int
	comment  *CommentGroup  // comment group at current index
	pos, end token.Position // source interval of comment group at current index
}

}

// ---- output helpers common to all drivers ----

// PrintPlain prints a diagnostic in plain text form,
// with context specified by the -c flag.
func PrintPlain(fset *token.FileSet, diag analysis.Diagnostic) {
	posn := fset.Position(diag.Pos)
	fmt.Fprintf(os.Stderr, "%s: %s\n", posn, diag.Message)

	// -c=N: show offending line plus N lines of context.
	if Context >= 0 {

// -64 is the smallest int that fits in a single byte as a varint.
const deltaNewFile = -64

// Synthesize a token.Pos
type fakeFileSet struct {
	fset  *token.FileSet
	files map[string]*fileInfo
}

type fileInfo struct {
	file     *token.File
	lastline int
}

const maxlines = 64 * 1024

func (s *fakeFileSet) pos(file string, line, column int) token.Pos {

			if id.Name == old {
				id.Name = new
			}
		}
		return true
	})
}

func (a *analyzer) filterFiles(fs map[string]*ast.File) []*ast.File {
	var files []*ast.File
	for _, f := range fs {
		files = append(files, f)
	}
	return files
}

type collector struct {
	dirs  []string
	regex *regexp.Regexp
}

// handlePath walks the filesystem recursively, collecting directories,

// the corresponding package object to the packages map, and returns the object.
// The packages map must contain all packages already imported.
func Import(fset *token.FileSet, packages map[string]*types.Package, path, srcDir string, lookup func(path string) (io.ReadCloser, error)) (pkg *types.Package, err error) {
	var rc io.ReadCloser
	var id string
	if lookup != nil {

// errors.
//
// The package is specified by a list of *ast.Files and corresponding
// file set, and the package path the package is identified with.
// The clean path must not be empty or dot (".").
func (conf *Config) Check(path string, fset *token.FileSet, files []*ast.File, info *Info) (*Package, error) {
	pkg := NewPackage(path, "")
	return pkg, NewChecker(conf, fset, pkg, info).Files(files)

		case "", "1":
			if strings.Contains(src, "interface{R}.Read") {
				continue
			}
		}

		files = append(files, file)
	}

	conf := Config{Importer: importer.Default()}
	pkg, err := conf.Check("p", fset, files, nil)
	if err != nil {
		t.Fatal(err)
	}

	for _, file := range files {
		for _, group := range file.Comments {
			for _, comment := range group.List {
				s := comment.Text

            // This is just a super simple implementation for now
            Set<File> files = fileCollection.getFiles();
            ImmutableSet.Builder<FileSystemLocation> builder = ImmutableSet.builderWithExpectedSize(files.size());
            for (File file : files) {
                builder.add(new DefaultFileSystemLocation(file));
            }
            return builder.build();
        }

	// syntax and type information
	Fset         *token.FileSet // file position information; Run may add new files
	Files        []*ast.File    // the abstract syntax tree of each file
	OtherFiles   []string       // names of non-Go files of this package
	IgnoredFiles []string       // names of ignored source files in this package
	Pkg          *types.Package // type information about the package

	seenPkgMap map[*Package]bool

	// information collected during type-checking of a set of package files
	// (initialized by Files, valid only for the duration of check.Files;
	// maps and lists are allocated on demand)
	files         []*ast.File               // package files
	versions      map[*ast.File]string      // maps files to version strings (each file has an entry); shared with Info.FileVersions if present