parser

Documentation

Index

• Constants
• type Parser
  • func New(l *lexer.Lexer) *Parser
  • func (p *Parser) Errors() []string
  • func (p *Parser) ParseProgram() *ast.Program

Constants

const (

	// Lowest represents the lowest operator precedence
	Lowest int
	// Logical represents the logical AND and OR operators
	Logical
	// Equals represents the equals comparison operator
	Equals
	// LessGreater represents the LT, GT, LTE, and GTE operators
	LessGreater
	// Sum represents the addition operator
	Sum
	// Product represents the multiplication operator
	Product
	// Prefix represents prefix operators such as Minus or Bang
	Prefix
	// Call represents function calls
	Call
	// Index represents array indexes
	Index
)

Types

type Parser

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

Parser represents the parser component of the interpreter

func New

func New(l *lexer.Lexer) *Parser

New creates a new parser instance and registers the parser functions

func (*Parser) Errors

func (p *Parser) Errors() []string

Errors returns any errors encountered during parsing

func (*Parser) ParseProgram

func (p *Parser) ParseProgram() *ast.Program

ParseProgram runs through all thr tokens and parses them as statements or expressions