internal

package

v0.0.0-...-fa0b8d5 Latest Latest Go to latest Published: Feb 11, 2024 License: MIT Imports: 6 Imported by: 0

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Repository

github.com/aland20/interpreter

Links

Open Source Insights

Documentation ¶

Index ¶

func Compile()
func Run(source string)
func RunFile(input string, output string)
func RunRepl()
type Scanner
- func NewScanner(source string) *Scanner
- func (s *Scanner) ScanToken()
- func (s *Scanner) ScanTokens() []Token
type Token
- func NewToken(tokenType TokenType, word string, value string, line uint16) Token
- func (t Token) String() string
type TokenType
- func GetIdentifier(text string) TokenType
type TokenValue

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Compile ¶

func Compile()

func Run ¶

func Run(source string)

func RunFile ¶

func RunFile(input string, output string)

func RunRepl ¶

func RunRepl()

Types ¶

type Scanner ¶

type Scanner struct {
	Source  string // The consumed line
	Tokens  []Token
	Start   uint16 // Start of each token
	Current uint16 // Current char position in the line
	Line    uint16
}

func NewScanner ¶

func NewScanner(source string) *Scanner

func (*Scanner) ScanToken ¶

func (s *Scanner) ScanToken()

func (*Scanner) ScanTokens ¶

func (s *Scanner) ScanTokens() []Token

type Token ¶

type Token struct {
	TokenType TokenType
	Word      string // individual word
	Value     any    // individual word
	Line      uint16
}

func NewToken ¶

func NewToken(tokenType TokenType, word string, value string, line uint16) Token

func (Token) String ¶

func (t Token) String() string

type TokenType ¶

type TokenType byte

const (
	// Single-character tokens
	LEFT_PAREN TokenType = iota
	RIGHT_PAREN
	LEFT_BRACE
	RIGHT_BRACE
	COMMA
	DOT
	MINUS
	PLUS
	SEMICOLON
	SLASH
	STAR

	// One or two character tokens
	BANG
	BANG_EQUAL
	EQUAL
	EQUAL_EQUAL
	GREATER
	GREATER_EQUAL
	LESS
	LESS_EQUAL

	// Literals
	BOOL
	IDENTIFIER
	NUMBER
	STRING

	// Keywords/Identifiers
	AND
	CLASS
	CONST
	ELSE
	EXTENDS
	FALSE
	FOR
	FUNC
	IF
	LET
	NULL
	OR
	PRINT
	RETURN
	THIS
	TRUE

	EOF
)

func GetIdentifier ¶

func GetIdentifier(text string) TokenType

type TokenValue ¶

type TokenValue interface {
	string | float64
}

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
expr
utils

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