parser

Documentation

Index

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

Types

type Parser

type Parser struct {
	Lexer *lexer.Lexer

	Mode ParserMode
	// contains filtered or unexported fields
}

Parser represents lexical analyzer struct

func New

func New(l *lexer.Lexer) *Parser

New initializes a 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

type ParserMode

type ParserMode int

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

const (
	NormalMode ParserMode = iota + 1
	REPLMode
	TestMode
)

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