Package slogo.parser.token

Interface Summary

Interface	Description
Token	currently this is a flag interface

Class Summary

Class	Description
AssignmentToken	Represents the assignment token ("=")
BackToken	Represents a Back instruction token
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.
CharTokenFactory	Factory for generating CharToken objects ensuring that only one of any specific CharToken object is created (enforcing CharToken singleton-ness per char value)
CleanToken	Represents a CLEAN instruction token
ClearScreenToken	Represents a CLEARSCREEN instruction token
DifferenceToken	Represents a DIFFERENCE instruction token
EOFToken	This represents an end-of-file token Uses the singleton pattern since there's no reason to have more than one such token.
EOLToken	This represents an end-of-line token.
EqualBoolToken	Represents an EQUAL? instruction token
EqualToken	Represents = token
ForwardToken	Represents a FORWARD instruction token
GreaterToken	Represents a GREATER instruction token
HeadingToken	Represents a HEADING instruction token
HideTurtleToken	Represents a HIDETURTLE instruction token
HomeToken	Represents a HOME instruction token
IdentifierToken	Represents an identifier (a variable name)
IfToken	Represents an IF instruction token
LeftBracketToken	Represents a left bracket
LeftParenToken	Represents a left parenthesis
LeftToken	Represents a LEFT instruction token
LessToken	Represents a LESS? instruction token
MinusToken	Represents a MINUS instruction token
NotEqualToken	Represents a NOTEQUAL? instruction token
NumberToken	Represents a number (using doubles).
PenDownPToken	Represents a PENDOWNP instruction token
PenDownToken	Represents a PENDOWN instruction token
PenUpToken	Represents a PENUP instruction token
PrintToken	Represents the PRINT instruction token
ProductToken	Represents a PRODUCT instruction token
QuotientToken	Represents a QUOTIENT instruction token
RemainderToken	Represents a REMAINDER instruction token
RepeatToken	Represents a REPEAT instruction token
ReservedToken	Represents a reserved word
RightBracketToken	Represents a right bracket
RightParenToken	Represents a right parenthesis
RightToken	Represents a RT instruction token
SetXToken	Represents a SETX instruction token
SetXYToken	Represents a SETXY instruction token
SetYToken	Represents a SETY instruction token
ShowTurtleToken	Represents a ST instruction token
SumToken	Represents a SUM instruction token
TokenFactory	Parses a stream into tokens
ToToken	Represents a TO instruction token
TowardsToken	Represents a TOWARDS instruction token
VariableToken	Represents a variable
XcorToken	Represents a XCOR instruction token
YcorToken	Represents a YCOR instruction token