lexer

package

v0.0.0-...-84469d4 Latest Latest Go to latest Published: Sep 17, 2024 License: MIT Imports: 5 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/abc401/lcalc

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Documentation ¶

Index ¶

Variables
type Lexer
- func NewLexer(source string) Lexer
type Token
- func (token *Token) Dump() string
type TokenKind

Constants ¶

This section is empty.

Variables ¶

View Source

var SpecialChars = []byte{'.', '\\', '\n', ')', '('}

Functions ¶

This section is empty.

Types ¶

type Lexer ¶

type Lexer struct {
	Source string

	Tokens []*Token
	// contains filtered or unexported fields
}

func NewLexer ¶

func NewLexer(source string) Lexer

func (*Lexer) Advance ¶

func (lexer *Lexer) Advance()

func (*Lexer) LexIdent ¶

func (lexer *Lexer) LexIdent() (*Token, bool)

func (*Lexer) PeekCh ¶

func (lexer *Lexer) PeekCh() rune

func (*Lexer) PeekToken ¶

func (lexer *Lexer) PeekToken() *Token

func (*Lexer) Rewind ¶

func (lexer *Lexer) Rewind()

func (*Lexer) SkipSpace ¶

func (lexer *Lexer) SkipSpace()

type Token ¶

type Token struct {
	Kind   TokenKind
	Lexeme *string
}

func (*Token) Dump ¶

func (token *Token) Dump() string

type TokenKind ¶

type TokenKind string

const (
	EndOfFile   TokenKind = "EndOfFile"
	StartOfFile TokenKind = "StartOfFile"

	Slash   TokenKind = "Slash"
	Dot     TokenKind = "Dot"
	Ident   TokenKind = "Ident"
	NewLine TokenKind = "NewLine"
	LBrace  TokenKind = "LBrace"
	RBrace  TokenKind = "RBrace"
)

Source Files ¶

View all Source files

lexer.go

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