lexer

package

v0.0.0-...-2c802aa Latest Latest Go to latest Published: Nov 26, 2019 License: MIT Imports: 1 Imported by: 0

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Package lexer implements lexer for a simple regular expression.

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

Lexer has a slice of symbols to analyze.

func NewLexer(s string) *Lexer

NewLexer returns a new Lexer. This constructor create a sequence of symbols from the string given in the argument and hold it.

func (l *Lexer) Scan() (tokenList []*token.Token)

Scan returns the token list to which converted from the symbol slice held in Lexer struct.