pkg go/parser, const ImportsOnly Mode
pkg go/parser, const PackageClauseOnly Mode
pkg go/parser, const ParseComments Mode
pkg go/parser, const SpuriousErrors Mode
pkg go/parser, const Trace Mode
pkg go/parser, func ParseDir(*token.FileSet, string, func(os.FileInfo) bool, Mode) (map[string]*ast.Package, error)
pkg go/parser, func ParseExpr(string) (ast.Expr, error)

pkg go/parser, const DeclarationErrors = 16
pkg go/parser, const ImportsOnly = 2
pkg go/parser, const PackageClauseOnly = 1
pkg go/parser, const ParseComments = 4
pkg go/parser, const SpuriousErrors = 32
pkg go/parser, const Trace = 8
pkg go/printer, const RawFormat = 1
pkg go/printer, const SourcePos = 8
pkg go/printer, const TabIndent = 2
pkg go/printer, const UseSpaces = 4
pkg go/printer, type Config struct, Indent int