Uses of Interface
slogo.parser.token.Token

Packages that use Token

Package	Description
slogo
slogo.parser.token

Uses of Token in slogo

Methods in slogo that return Token

Modifier and Type	Method and Description
Token	SLogoInterpreter.getToken() returns the current token, doesn't fetch a new one
Token	SLogoInterpreter.match(Token rhs) try to match a token, if unsuccessful throw an exception, otherwise match succeeds, and next token is obtained and returned
Token	SLogoInterpreter.nextToken() get the next token and store it for retrieval by getToken()

Methods in slogo with parameters of type Token

Modifier and Type	Method and Description
void	SLogoInterpreter.error(Token t)
Token	SLogoInterpreter.match(Token rhs) try to match a token, if unsuccessful throw an exception, otherwise match succeeds, and next token is obtained and returned

Uses of Token in slogo.parser.token

Classes in slogo.parser.token that implement Token

Modifier and Type	Class and Description
class	AssignmentToken Represents the assignment token ("=")
class	CharToken A token represented by a single character, e.g., '*', ';', '[' and so on; the method equals compares a CharToken as equal to another CharToken encapsulating the same character.
class	EOFToken This represents an end-of-file token Uses the singleton pattern since there's no reason to have more than one such token.
class	EOLToken This represents an end-of-line token.
class	EqualToken Represents = token
class	IdentifierToken Represents an identifier (a variable name)
class	LeftBracketToken Represents a left bracket
class	LeftParenToken Represents a left parenthesis
class	NumberToken Represents a number (using doubles).
class	PrintToken Represents the PRINT instruction token
class	RepeatToken Represents a REPEAT instruction token
class	ReservedToken Represents a reserved word
class	RightBracketToken Represents a right bracket
class	RightParenToken Represents a right parenthesis
class	VariableToken Represents a variable

Methods in slogo.parser.token that return Token

Modifier and Type	Method and Description
static Token	TokenFactory.parse(java.io.StreamTokenizer tokenizer)