parser

Documentation

Index

• type Error
• type InfixParseFunc
• type Parser
  • func New(input string) *Parser
  • func (p *Parser) Errors() []error
  • func (p *Parser) ParseProgram() *ast.Program
• type Precedence
• type PrefixParseFunc
• type Rule

Types

type Error

type Error string

const (
	EXPECTED_EXPRESSION     Error = "expect expression"
	INVALID_INTEGER_LITERAL Error = "invalid integer literal"
	UNEXPECTED_TOKEN        Error = "unexpected token"
)

type InfixParseFunc

type InfixParseFunc func(expression ast.Expression) ast.Expression

type Parser

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

func New

func New(input string) *Parser

func (*Parser) Errors

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

func (*Parser) ParseProgram

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

type Precedence

type Precedence int

const (
	NONE       Precedence
	EQUALITY   // ==
	COMPARISON // > or <
	TERM       // +
	FACTOR     // *
	UNARY      // -x or !x
	CALL       // myFunction(x)
	INDEX      // array[index]
)

type PrefixParseFunc

type PrefixParseFunc func() ast.Expression

type Rule

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