parser

Documentation

Index

• Constants
• func SyntaxCheck(define string, actual []*Token) (bool, error)
• type Lexer
  • func NewLexer(text []rune) *Lexer
  • func (l *Lexer) Advance()
  • func (l *Lexer) Character() (*Token, error)
  • func (l *Lexer) GetNextToken() (*Token, error)
  • func (l *Lexer) Peek() rune
  • func (l *Lexer) SkipWhitespace()
  • func (l *Lexer) String() (*Token, error)
• type Syntax
  • func NewSyntax(text []rune) *Syntax
  • func (l *Syntax) Advance()
  • func (l *Syntax) Character() (*Token, error)
  • func (l *Syntax) GetNextToken() (*Token, error)
  • func (l *Syntax) Parameter() (*Token, error)
  • func (l *Syntax) Peek() rune
  • func (l *Syntax) SkipWhitespace()
• type Token
  • func ParseString(in string) ([]*Token, error)
• type Value
  • func Variable(i interface{}) Value
  • func (v Value) Bool() (bool, bool)
  • func (v Value) Int64() (int64, bool)
  • func (v Value) String() (string, bool)

Constants

const (
	CharacterToken = "character"
	ParameterToken = "parameter"
	EOFToken       = "eof"
)

Functions

func SyntaxCheck

func SyntaxCheck(define string, actual []*Token) (bool, error)

Types

type Lexer

type Lexer struct {
	Text        []rune
	Pos         int
	CurrentChar rune
	LineNo      int
	Column      int
}

func NewLexer

func NewLexer(text []rune) *Lexer

func (*Lexer) Advance

func (l *Lexer) Advance()

func (*Lexer) Character

func (l *Lexer) Character() (*Token, error)

func (*Lexer) GetNextToken

func (l *Lexer) GetNextToken() (*Token, error)

func (*Lexer) Peek

func (l *Lexer) Peek() rune

func (*Lexer) SkipWhitespace

func (l *Lexer) SkipWhitespace()

func (*Lexer) String

func (l *Lexer) String() (*Token, error)

type Syntax

type Syntax struct {
	Text        []rune
	Pos         int
	CurrentChar rune
	LineNo      int
	Column      int
}

func NewSyntax

func NewSyntax(text []rune) *Syntax

func (*Syntax) Advance

func (l *Syntax) Advance()

func (*Syntax) Character

func (l *Syntax) Character() (*Token, error)

func (*Syntax) GetNextToken

func (l *Syntax) GetNextToken() (*Token, error)

func (*Syntax) Parameter

func (l *Syntax) Parameter() (*Token, error)

func (*Syntax) Peek

func (l *Syntax) Peek() rune

func (*Syntax) SkipWhitespace

func (l *Syntax) SkipWhitespace()

type Token

type Token struct {
	Type   string
	Value  Value
	LineNo int
	Column int
}

func ParseString

func ParseString(in string) ([]*Token, error)

type Value

type Value struct {
	Source interface{}
}

func Variable

func Variable(i interface{}) Value

func (Value) Bool

func (v Value) Bool() (bool, bool)

func (Value) Int64

func (v Value) Int64() (int64, bool)

func (Value) String

func (v Value) String() (string, bool)