token

Documentation

Index

• Constants
• func LookupConstraint(tok TokenType) bool
• func LookupDataType(tok TokenType) bool
• type Token
• type TokenType
  • func LookupIdent(ident string) TokenType

Constants

const (
	ILLEGAL = "ILLEGAL"
	EOF     = "EOF"
	// Identifiers + literals
	IDENT         = "IDENT" // add, foobar, x, y, ...
	STRINGLITERAL = "STRINGLITERAL"
	NUMBERLITERAL = "NUMBERLITERAL"
	BOOLLITERAL   = "BOOLLITERAL"
	// Data types
	INT   = "INT" // 1343456
	CHAR  = "CHAR"
	BOOL  = "BOOL"
	FLOAT = "FLOAT"
	// Operators
	PLUS     = "+"
	MINUS    = "-"
	BANG     = "!"
	ASTERISK = "*"
	SLASH    = "/"
	LT       = "<"
	GT       = ">"
	LTE      = "<="
	GTE      = ">="
	EQ       = "="
	NOT_EQ   = "!="
	// Delimiters
	COMMA     = ","
	SEMICOLON = ";"
	LPAREN    = "("
	RPAREN    = ")"
	PERIOD    = "."
	// Keywords
	SELECT = "SELECT"
	INSERT = "INSERT"
	INTO   = "INTO"
	VALUES = "VALUES"
	UPDATE = "UPDATE"
	DELETE = "DELETE"
	CREATE = "CREATE"
	DROP   = "DROP"
	TABLE  = "TABLE"
	FROM   = "FROM"
	WHERE  = "WHERE"
	SET    = "SET"
	AS     = "AS"
	IS     = "IS"
	TRUE   = "TRUE"
	FALSE  = "FALSE"
	AND    = "AND"
	// Constraints
	PRIMARY = "PRIMARY"
	KEY     = "KEY"
	NOT     = "NOT"
	NULL    = "NULL"
	UNIQUE  = "UNIQUE"
)

Functions

func LookupConstraint

func LookupConstraint(tok TokenType) bool

func LookupDataType

func LookupDataType(tok TokenType) bool

Types

type Token

type Token struct {
	Type    TokenType
	Literal string
}

type TokenType

type TokenType string

func LookupIdent

func LookupIdent(ident string) TokenType