auditfile

type Comment struct {
	Start  Position
	Token  string // without trailing newline
	Suffix bool   // an end of line (not whole line) comment
}

type CommentBlock struct {
	Comments
	Start Position
}

type Comments struct {
	Before []Comment // whole-line comments before this expression
	Suffix []Comment // end-of-line comments after this expression

	// For top-level expressions only, After lists whole-line
	// comments following the expression.
	After []Comment
}

type ErrorList []error

type Expr interface {
	// Span returns the start and end position of the expression,
	// excluding leading or trailing comments.
	Span() (start, end Position)

	// Comment returns the comments attached to the expression.
	// This method would normally be named 'Comments' but that
	// would interfere with embedding a type of the same name.
	Comment() *Comments
}

type File struct {
	Audit     *FileVersion
	Trust     []*Trust
	Violation []*Violation

	Syntax *FileSyntax
}

type FileSyntax struct {
	Name string // file path
	Comments
	Stmt []Expr
}

type FileVersion struct {
	Version string
	Syntax  *Line
}

type LParen struct {
	Comments
	Pos Position
}

type LexError struct {
	Filename string
	Pos      Position
	Err      error
}

type Line struct {
	Comments
	Start   Position
	Token   []string
	InBlock bool
	End     Position
}

type LineBlock struct {
	Comments
	Start  Position
	LParen LParen
	Token  []string
	Line   []*Line
	RParen RParen
}

type ParserError struct {
	Filename string
	Pos      Position
	Err      error
	Verb     string
	ModPath  string
}

type Position struct {
	Line     int // line in input (starting at 1)
	LineRune int // rune in line (starting at 1)
	Byte     int // byte in input (starting at 0)
}

type RParen struct {
	Comments
	Pos Position
}

type Trust struct {
	Mod       VersionInterval
	Notes     string
	Signature string
	Syntax    *Line
}

type VersionInterval struct {
	Path      string
	Low, High string
}

type Violation Trust