parser

type Command struct {
	Cmd       string   // lowercased command name (ex: `from`)
	SubCmd    string   // for ONBUILD only this holds the sub-command
	JSON      bool     // whether the value is written in json form
	Original  string   // The original source line
	StartLine int      // The original source line number which starts this command
	EndLine   int      // The original source line number which ends this command
	Flags     []string // Any flags such as `--from=...` for `COPY`.
	Value     []string // The contents of the command (ex: `ubuntu:xenial`)
}

type Heredoc struct {
	Name           string
	FileDescriptor uint
	Expand         bool
	Chomp          bool
	Content        string
}

type Lex struct {
	RawQuotes    bool
	RawEscapes   bool
	SkipUnsetEnv bool
	// contains filtered or unexported fields
}

type Node struct {
	Value       string          // actual content
	Next        *Node           // the next item in the current sexp
	Children    []*Node         // the children of this sexp
	Heredocs    []Heredoc       // extra heredoc content attachments
	Attributes  map[string]bool // special attributes for this node
	Original    string          // original line used before parsing
	Flags       []string        // only top Node should have this set
	StartLine   int             // the line in the original dockerfile where the node begins
	EndLine     int             // the line in the original dockerfile where the node ends
	PrevComment []string
}

type Result struct {
	AST         *Node
	EscapeToken rune
	Warnings    []string
}