lexer

package

v0.2.0 Latest Latest Go to latest Published: Mar 29, 2026 License: MIT Imports: 3 Imported by: 0

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Valid go.mod file
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Repository

github.com/DotNetAge/gograph

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Documentation ¶

Index ¶

func IsKeyword(s string) bool
type Lexer
- func New(input string) *Lexer
- func (l *Lexer) Tokenize() ([]Token, error)
type LexerError
- func (e *LexerError) Error() string
type LexerErrors
- func (e *LexerErrors) Error() string
- func (e *LexerErrors) Unwrap() []error
type Token
type TokenType

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func IsKeyword ¶

func IsKeyword(s string) bool

Types ¶

type Lexer ¶

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

func New ¶

func New(input string) *Lexer

func (*Lexer) Tokenize ¶

func (l *Lexer) Tokenize() ([]Token, error)

type LexerError ¶

type LexerError struct {
	Line    int
	Column  int
	Message string
}

func (*LexerError) Error ¶

func (e *LexerError) Error() string

type LexerErrors ¶

type LexerErrors struct {
	Errors []error
}

func (*LexerErrors) Error ¶

func (e *LexerErrors) Error() string

func (*LexerErrors) Unwrap ¶

func (e *LexerErrors) Unwrap() []error

type Token ¶

type Token struct {
	Type     TokenType
	Value    string
	Line     int
	Column   int
	Position int
}

func (Token) IsEOF ¶

func (t Token) IsEOF() bool

func (Token) IsError ¶

func (t Token) IsError() bool

func (Token) IsKeyword ¶

func (t Token) IsKeyword(name string) bool

func (Token) String ¶

func (t Token) String() string

type TokenType ¶

type TokenType int

const (
	TokenEOF TokenType = iota
	TokenError
	TokenInteger
	TokenFloat
	TokenString
	TokenBoolean
	TokenNull
	TokenIdentifier
	TokenPlus
	TokenStar
	TokenSlash
	TokenPercent
	TokenCaret
	TokenEq
	TokenNeq
	TokenLt
	TokenLe
	TokenGt
	TokenGe
	TokenAnd
	TokenOr
	TokenNot
	TokenXor
	TokenLParen
	TokenRParen
	TokenLBrace
	TokenRBrace
	TokenLBracket
	TokenRBracket
	TokenColon
	TokenComma
	TokenDot
	TokenSemicolon
	TokenPipe
	TokenArrowRight
	TokenArrowLeft
	TokenDash
	TokenPlusEq
	TokenRange
	TokenDollar
)

Source Files ¶

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