parser

Documentation

Index

• type Mode
• type Parser
  • func New(l lexer.Lexer, mode Mode) *Parser
  • func (p *Parser) IsNotDefMethodToken() bool
  • func (p *Parser) IsNotParamsToken() bool
  • func (p *Parser) ParseProgram() (program *ast.Program, err *errors.Error)

Types

type Mode

type Mode int

Mode determines the running mode. These are the enums for marking parser's mode, which decides whether it should pop unused values.

const (
	NormalMode Mode = iota
	REPLMode
	TestMode
	CommandLineMode
)

These are the enums for marking parser's mode, which decides whether it should pop unused values.

type Parser

type Parser struct {
	Lexer lexer.Lexer

	Mode Mode
	// contains filtered or unexported fields
}

Parser represents lexical analyzer struct

func New

func New(l lexer.Lexer, mode Mode) *Parser

New creates a new parser and returns it

func (*Parser) IsNotDefMethodToken

func (p *Parser) IsNotDefMethodToken() bool

IsNotDefMethodToken ensures correct naming in Def statement

func (*Parser) IsNotParamsToken

func (p *Parser) IsNotParamsToken() bool

IsNotParamsToken ensures correct parameters which means it is not InstanceVariable

func (*Parser) ParseProgram

func (p *Parser) ParseProgram() (program *ast.Program, err *errors.Error)

ParseProgram update program statements and return program