parser

Documentation

Index

• func EqualExpr(x, y expr.Expr) bool
• func EqualStmt(x, y stmt.Stmt) bool
• func ParseStmt(src []byte) (stmt stmt.Stmt, err error)
• type Error
  • func (e Error) Error() string
• type Errors
  • func (e Errors) Error() string
• type Parser
  • func New(filename string) *Parser
  • func (p *Parser) Close()
  • func (p *Parser) Parse(source []byte) (*syntax.File, error)
  • func (p *Parser) ParseLine(line []byte) Result
• type ParserState
• type Result
• type Scanner
  • func (s *Scanner) Next()

Functions

func EqualExpr

func EqualExpr(x, y expr.Expr) bool

func EqualStmt

func EqualStmt(x, y stmt.Stmt) bool

func ParseStmt

func ParseStmt(src []byte) (stmt stmt.Stmt, err error)

Types

type Error

type Error struct {
	Pos    src.Pos
	Offset int
	Msg    string
}

func (Error) Error

func (e Error) Error() string

type Errors

type Errors []Error

func (Errors) Error

func (e Errors) Error() string

type Parser

type Parser struct {
	// contains filtered or unexported fields
}

func New

func New(filename string) *Parser

func (*Parser) Close

func (p *Parser) Close()

func (*Parser) Parse

func (p *Parser) Parse(source []byte) (*syntax.File, error)

Parse parses a neugram source file. If non-nil, the returned error is either of type Error or Errors.

func (*Parser) ParseLine

func (p *Parser) ParseLine(line []byte) Result

type ParserState

type ParserState int

const (
	StateUnknown ParserState = iota
	StateStmt
	StateStmtPartial
	StateCmd
	StateCmdPartial
)

type Result

type Result struct {
	State ParserState
	Stmts []stmt.Stmt
	Cmds  []*expr.ShellList
	Errs  []Error
}

Result is the result of parsing a line of input. One of Stmts or Cmds will be non-nil (but may be empty).

type Scanner

type Scanner struct {
	// Current Token
	Line    int32
	Column  int16
	Offset  int
	Token   token.Token
	Literal interface{} // string, *big.Int, *big.Float
	// contains filtered or unexported fields
}

func (*Scanner) Next

func (s *Scanner) Next()