lexer

Documentation

Overview

Package lexer provides types and functions for lexing graphene code

Index

• type LexErr
  • func (l *LexErr) Error() string
• type LexErrs
  • func (l *LexErrs) Error() string
• type Lexer
  • func NewLexer(source string, fname string) Lexer
  • func (l *Lexer) Lex() ([]token.Token, []string, LexErrs)

Types

type LexErr

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

Represents an individual Lex error

func (*LexErr) Error

func (l *LexErr) Error() string

type LexErrs

type LexErrs []LexErr

A wrapper type arround multiple LexErr's

func (*LexErrs) Error

func (l *LexErrs) Error() string

type Lexer

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

Represents a graphene lexer

func NewLexer

func NewLexer(source string, fname string) Lexer

constructs a new lexer from source code and file name

func (*Lexer) Lex

func (l *Lexer) Lex() ([]token.Token, []string, LexErrs)

Lexes and returns any tokens, the source split at every newline and any errors