package lexer

import "github.com/irfansharif/solver/internal/testutils/parser/lexer"

Index ¶

• type Lexer
• func New(input string) *Lexer
• func (l *Lexer) Index() int
• func (l *Lexer) Next() token.Token
• func (l *Lexer) Reposition(idx int)

Types ¶

type Lexer ¶

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

Lexer converts an input string into its constituent tokens.

func New ¶

func New(input string) *Lexer

New creates a lexer from the given input.

func (*Lexer) Index ¶

func (l *Lexer) Index() int

Index returns the current position of the lexer.

func (*Lexer) Next ¶

func (l *Lexer) Next() token.Token

Next returns the next token from the input and moves the current position of the lexer ahead.

If encountering the end of the input, token.EOF is returned.

func (*Lexer) Reposition ¶

func (l *Lexer) Reposition(idx int)

Reposition positions the lexer to the given index.

Source Files ¶

lexer.go